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gtk2/gtk/gtkclist.c
Matthias Clasen 82ce59cd0f Remove unnecessary NULL checks before g_free(). (#369666, Morten Welinder, 
2007-03-09  Matthias Clasen <mclasen@redhat.com>

        * Everywhere: Remove unnecessary NULL checks before
        g_free().  (#369666, Morten Welinder, Djihed Afifi)

        * configure.in: Check for ftw.h



svn path=/trunk/; revision=17444
2007-03-09 21:57:37 +00:00

7794 lines
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/* GTK - The GIMP Toolkit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball, Josh MacDonald,
* Copyright (C) 1997-1998 Jay Painter <jpaint@serv.net><jpaint@gimp.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#undef GDK_DISABLE_DEPRECATED
#undef GTK_DISABLE_DEPRECATED
#include <config.h>
#include <stdlib.h>
#include <string.h>
#include "gtkmain.h"
#include "gtkobject.h"
#include "gtkclist.h"
#include "gtkbindings.h"
#include "gtkdnd.h"
#include "gtkmarshalers.h"
#include "gtkintl.h"
#include <gdk/gdkkeysyms.h>
#include "gtkalias.h"
/* length of button_actions array */
#define MAX_BUTTON 5
/* the width of the column resize windows */
#define DRAG_WIDTH 6
/* minimum allowed width of a column */
#define COLUMN_MIN_WIDTH 5
/* this defigns the base grid spacing */
#define CELL_SPACING 1
/* added the horizontal space at the beginning and end of a row*/
#define COLUMN_INSET 3
/* used for auto-scrolling */
#define SCROLL_TIME 100
/* gives the top pixel of the given row in context of
* the clist's voffset */
#define ROW_TOP_YPIXEL(clist, row) (((clist)->row_height * (row)) + \
(((row) + 1) * CELL_SPACING) + \
(clist)->voffset)
/* returns the row index from a y pixel location in the
* context of the clist's voffset */
#define ROW_FROM_YPIXEL(clist, y) (((y) - (clist)->voffset) / \
((clist)->row_height + CELL_SPACING))
/* gives the left pixel of the given column in context of
* the clist's hoffset */
#define COLUMN_LEFT_XPIXEL(clist, colnum) ((clist)->column[(colnum)].area.x + \
(clist)->hoffset)
/* returns the column index from a x pixel location in the
* context of the clist's hoffset */
static inline gint
COLUMN_FROM_XPIXEL (GtkCList * clist,
gint x)
{
gint i, cx;
for (i = 0; i < clist->columns; i++)
if (clist->column[i].visible)
{
cx = clist->column[i].area.x + clist->hoffset;
if (x >= (cx - (COLUMN_INSET + CELL_SPACING)) &&
x <= (cx + clist->column[i].area.width + COLUMN_INSET))
return i;
}
/* no match */
return -1;
}
/* returns the top pixel of the given row in the context of
* the list height */
#define ROW_TOP(clist, row) (((clist)->row_height + CELL_SPACING) * (row))
/* returns the left pixel of the given column in the context of
* the list width */
#define COLUMN_LEFT(clist, colnum) ((clist)->column[(colnum)].area.x)
/* returns the total height of the list */
#define LIST_HEIGHT(clist) (((clist)->row_height * ((clist)->rows)) + \
(CELL_SPACING * ((clist)->rows + 1)))
/* returns the total width of the list */
static inline gint
LIST_WIDTH (GtkCList * clist)
{
gint last_column;
for (last_column = clist->columns - 1;
last_column >= 0 && !clist->column[last_column].visible; last_column--);
if (last_column >= 0)
return (clist->column[last_column].area.x +
clist->column[last_column].area.width +
COLUMN_INSET + CELL_SPACING);
return 0;
}
/* returns the GList item for the nth row */
#define ROW_ELEMENT(clist, row) (((row) == (clist)->rows - 1) ? \
(clist)->row_list_end : \
g_list_nth ((clist)->row_list, (row)))
/* redraw the list if it's not frozen */
#define CLIST_UNFROZEN(clist) (((GtkCList*) (clist))->freeze_count == 0)
#define CLIST_REFRESH(clist) G_STMT_START { \
if (CLIST_UNFROZEN (clist)) \
GTK_CLIST_GET_CLASS (clist)->refresh ((GtkCList*) (clist)); \
} G_STMT_END
/* Signals */
enum {
SELECT_ROW,
UNSELECT_ROW,
ROW_MOVE,
CLICK_COLUMN,
RESIZE_COLUMN,
TOGGLE_FOCUS_ROW,
SELECT_ALL,
UNSELECT_ALL,
UNDO_SELECTION,
START_SELECTION,
END_SELECTION,
TOGGLE_ADD_MODE,
EXTEND_SELECTION,
SCROLL_VERTICAL,
SCROLL_HORIZONTAL,
ABORT_COLUMN_RESIZE,
LAST_SIGNAL
};
enum {
SYNC_REMOVE,
SYNC_INSERT
};
enum {
ARG_0,
ARG_N_COLUMNS,
ARG_SHADOW_TYPE,
ARG_SELECTION_MODE,
ARG_ROW_HEIGHT,
ARG_TITLES_ACTIVE,
ARG_REORDERABLE,
ARG_USE_DRAG_ICONS,
ARG_SORT_TYPE
};
/* GtkCList Methods */
static void gtk_clist_class_init (GtkCListClass *klass);
static void gtk_clist_init (GtkCList *clist);
static GObject* gtk_clist_constructor (GType type,
guint n_construct_properties,
GObjectConstructParam *construct_params);
/* GtkObject Methods */
static void gtk_clist_destroy (GtkObject *object);
static void gtk_clist_finalize (GObject *object);
static void gtk_clist_set_arg (GtkObject *object,
GtkArg *arg,
guint arg_id);
static void gtk_clist_get_arg (GtkObject *object,
GtkArg *arg,
guint arg_id);
/* GtkWidget Methods */
static void gtk_clist_set_scroll_adjustments (GtkCList *clist,
GtkAdjustment *hadjustment,
GtkAdjustment *vadjustment);
static void gtk_clist_realize (GtkWidget *widget);
static void gtk_clist_unrealize (GtkWidget *widget);
static void gtk_clist_map (GtkWidget *widget);
static void gtk_clist_unmap (GtkWidget *widget);
static gint gtk_clist_expose (GtkWidget *widget,
GdkEventExpose *event);
static gint gtk_clist_button_press (GtkWidget *widget,
GdkEventButton *event);
static gint gtk_clist_button_release (GtkWidget *widget,
GdkEventButton *event);
static gint gtk_clist_motion (GtkWidget *widget,
GdkEventMotion *event);
static void gtk_clist_size_request (GtkWidget *widget,
GtkRequisition *requisition);
static void gtk_clist_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
static void gtk_clist_draw_focus (GtkWidget *widget);
static gint gtk_clist_focus_in (GtkWidget *widget,
GdkEventFocus *event);
static gint gtk_clist_focus_out (GtkWidget *widget,
GdkEventFocus *event);
static gint gtk_clist_focus (GtkWidget *widget,
GtkDirectionType direction);
static void gtk_clist_set_focus_child (GtkContainer *container,
GtkWidget *child);
static void gtk_clist_style_set (GtkWidget *widget,
GtkStyle *previous_style);
static void gtk_clist_drag_begin (GtkWidget *widget,
GdkDragContext *context);
static gint gtk_clist_drag_motion (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time);
static void gtk_clist_drag_leave (GtkWidget *widget,
GdkDragContext *context,
guint time);
static void gtk_clist_drag_end (GtkWidget *widget,
GdkDragContext *context);
static gboolean gtk_clist_drag_drop (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time);
static void gtk_clist_drag_data_get (GtkWidget *widget,
GdkDragContext *context,
GtkSelectionData *selection_data,
guint info,
guint time);
static void gtk_clist_drag_data_received (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
GtkSelectionData *selection_data,
guint info,
guint time);
/* GtkContainer Methods */
static void gtk_clist_forall (GtkContainer *container,
gboolean include_internals,
GtkCallback callback,
gpointer callback_data);
/* Selection */
static void toggle_row (GtkCList *clist,
gint row,
gint column,
GdkEvent *event);
static void real_select_row (GtkCList *clist,
gint row,
gint column,
GdkEvent *event);
static void real_unselect_row (GtkCList *clist,
gint row,
gint column,
GdkEvent *event);
static void update_extended_selection (GtkCList *clist,
gint row);
static GList *selection_find (GtkCList *clist,
gint row_number,
GList *row_list_element);
static void real_select_all (GtkCList *clist);
static void real_unselect_all (GtkCList *clist);
static void move_vertical (GtkCList *clist,
gint row,
gfloat align);
static void move_horizontal (GtkCList *clist,
gint diff);
static void real_undo_selection (GtkCList *clist);
static void fake_unselect_all (GtkCList *clist,
gint row);
static void fake_toggle_row (GtkCList *clist,
gint row);
static void resync_selection (GtkCList *clist,
GdkEvent *event);
static void sync_selection (GtkCList *clist,
gint row,
gint mode);
static void set_anchor (GtkCList *clist,
gboolean add_mode,
gint anchor,
gint undo_anchor);
static void start_selection (GtkCList *clist);
static void end_selection (GtkCList *clist);
static void toggle_add_mode (GtkCList *clist);
static void toggle_focus_row (GtkCList *clist);
static void extend_selection (GtkCList *clist,
GtkScrollType scroll_type,
gfloat position,
gboolean auto_start_selection);
static gint get_selection_info (GtkCList *clist,
gint x,
gint y,
gint *row,
gint *column);
/* Scrolling */
static void move_focus_row (GtkCList *clist,
GtkScrollType scroll_type,
gfloat position);
static void scroll_horizontal (GtkCList *clist,
GtkScrollType scroll_type,
gfloat position);
static void scroll_vertical (GtkCList *clist,
GtkScrollType scroll_type,
gfloat position);
static void move_horizontal (GtkCList *clist,
gint diff);
static void move_vertical (GtkCList *clist,
gint row,
gfloat align);
static gint horizontal_timeout (GtkCList *clist);
static gint vertical_timeout (GtkCList *clist);
static void remove_grab (GtkCList *clist);
/* Resize Columns */
static void draw_xor_line (GtkCList *clist);
static gint new_column_width (GtkCList *clist,
gint column,
gint *x);
static void column_auto_resize (GtkCList *clist,
GtkCListRow *clist_row,
gint column,
gint old_width);
static void real_resize_column (GtkCList *clist,
gint column,
gint width);
static void abort_column_resize (GtkCList *clist);
static void cell_size_request (GtkCList *clist,
GtkCListRow *clist_row,
gint column,
GtkRequisition *requisition);
/* Buttons */
static void column_button_create (GtkCList *clist,
gint column);
static void column_button_clicked (GtkWidget *widget,
gpointer data);
/* Adjustments */
static void adjust_adjustments (GtkCList *clist,
gboolean block_resize);
static void vadjustment_changed (GtkAdjustment *adjustment,
gpointer data);
static void vadjustment_value_changed (GtkAdjustment *adjustment,
gpointer data);
static void hadjustment_changed (GtkAdjustment *adjustment,
gpointer data);
static void hadjustment_value_changed (GtkAdjustment *adjustment,
gpointer data);
/* Drawing */
static void get_cell_style (GtkCList *clist,
GtkCListRow *clist_row,
gint state,
gint column,
GtkStyle **style,
GdkGC **fg_gc,
GdkGC **bg_gc);
static gint draw_cell_pixmap (GdkWindow *window,
GdkRectangle *clip_rectangle,
GdkGC *fg_gc,
GdkPixmap *pixmap,
GdkBitmap *mask,
gint x,
gint y,
gint width,
gint height);
static void draw_row (GtkCList *clist,
GdkRectangle *area,
gint row,
GtkCListRow *clist_row);
static void draw_rows (GtkCList *clist,
GdkRectangle *area);
static void clist_refresh (GtkCList *clist);
static void draw_drag_highlight (GtkCList *clist,
GtkCListRow *dest_row,
gint dest_row_number,
GtkCListDragPos drag_pos);
/* Size Allocation / Requisition */
static void size_allocate_title_buttons (GtkCList *clist);
static void size_allocate_columns (GtkCList *clist,
gboolean block_resize);
static gint list_requisition_width (GtkCList *clist);
/* Memory Allocation/Distruction Routines */
static GtkCListColumn *columns_new (GtkCList *clist);
static void column_title_new (GtkCList *clist,
gint column,
const gchar *title);
static void columns_delete (GtkCList *clist);
static GtkCListRow *row_new (GtkCList *clist);
static void row_delete (GtkCList *clist,
GtkCListRow *clist_row);
static void set_cell_contents (GtkCList *clist,
GtkCListRow *clist_row,
gint column,
GtkCellType type,
const gchar *text,
guint8 spacing,
GdkPixmap *pixmap,
GdkBitmap *mask);
static gint real_insert_row (GtkCList *clist,
gint row,
gchar *text[]);
static void real_remove_row (GtkCList *clist,
gint row);
static void real_clear (GtkCList *clist);
/* Sorting */
static gint default_compare (GtkCList *clist,
gconstpointer row1,
gconstpointer row2);
static void real_sort_list (GtkCList *clist);
static GList *gtk_clist_merge (GtkCList *clist,
GList *a,
GList *b);
static GList *gtk_clist_mergesort (GtkCList *clist,
GList *list,
gint num);
/* Misc */
static gboolean title_focus_in (GtkCList *clist,
gint dir);
static gboolean title_focus_move (GtkCList *clist,
gint dir);
static void real_row_move (GtkCList *clist,
gint source_row,
gint dest_row);
static gint column_title_passive_func (GtkWidget *widget,
GdkEvent *event,
gpointer data);
static void drag_dest_cell (GtkCList *clist,
gint x,
gint y,
GtkCListDestInfo *dest_info);
static GtkContainerClass *parent_class = NULL;
static guint clist_signals[LAST_SIGNAL] = {0};
static const GtkTargetEntry clist_target_table = { "gtk-clist-drag-reorder", 0, 0};
GtkType
gtk_clist_get_type (void)
{
static GtkType clist_type = 0;
if (!clist_type)
{
static const GtkTypeInfo clist_info =
{
"GtkCList",
sizeof (GtkCList),
sizeof (GtkCListClass),
(GtkClassInitFunc) gtk_clist_class_init,
(GtkObjectInitFunc) gtk_clist_init,
/* reserved_1 */ NULL,
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL,
};
I_("GtkCList");
clist_type = gtk_type_unique (GTK_TYPE_CONTAINER, &clist_info);
}
return clist_type;
}
static void
gtk_clist_class_init (GtkCListClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
GtkContainerClass *container_class;
GtkBindingSet *binding_set;
gobject_class->constructor = gtk_clist_constructor;
object_class = (GtkObjectClass *) klass;
widget_class = (GtkWidgetClass *) klass;
container_class = (GtkContainerClass *) klass;
parent_class = gtk_type_class (GTK_TYPE_CONTAINER);
gobject_class->finalize = gtk_clist_finalize;
object_class->set_arg = gtk_clist_set_arg;
object_class->get_arg = gtk_clist_get_arg;
object_class->destroy = gtk_clist_destroy;
widget_class->realize = gtk_clist_realize;
widget_class->unrealize = gtk_clist_unrealize;
widget_class->map = gtk_clist_map;
widget_class->unmap = gtk_clist_unmap;
widget_class->button_press_event = gtk_clist_button_press;
widget_class->button_release_event = gtk_clist_button_release;
widget_class->motion_notify_event = gtk_clist_motion;
widget_class->expose_event = gtk_clist_expose;
widget_class->size_request = gtk_clist_size_request;
widget_class->size_allocate = gtk_clist_size_allocate;
widget_class->focus_in_event = gtk_clist_focus_in;
widget_class->focus_out_event = gtk_clist_focus_out;
widget_class->style_set = gtk_clist_style_set;
widget_class->drag_begin = gtk_clist_drag_begin;
widget_class->drag_end = gtk_clist_drag_end;
widget_class->drag_motion = gtk_clist_drag_motion;
widget_class->drag_leave = gtk_clist_drag_leave;
widget_class->drag_drop = gtk_clist_drag_drop;
widget_class->drag_data_get = gtk_clist_drag_data_get;
widget_class->drag_data_received = gtk_clist_drag_data_received;
widget_class->focus = gtk_clist_focus;
/* container_class->add = NULL; use the default GtkContainerClass warning */
/* container_class->remove=NULL; use the default GtkContainerClass warning */
container_class->forall = gtk_clist_forall;
container_class->set_focus_child = gtk_clist_set_focus_child;
klass->set_scroll_adjustments = gtk_clist_set_scroll_adjustments;
klass->refresh = clist_refresh;
klass->select_row = real_select_row;
klass->unselect_row = real_unselect_row;
klass->row_move = real_row_move;
klass->undo_selection = real_undo_selection;
klass->resync_selection = resync_selection;
klass->selection_find = selection_find;
klass->click_column = NULL;
klass->resize_column = real_resize_column;
klass->draw_row = draw_row;
klass->draw_drag_highlight = draw_drag_highlight;
klass->insert_row = real_insert_row;
klass->remove_row = real_remove_row;
klass->clear = real_clear;
klass->sort_list = real_sort_list;
klass->select_all = real_select_all;
klass->unselect_all = real_unselect_all;
klass->fake_unselect_all = fake_unselect_all;
klass->scroll_horizontal = scroll_horizontal;
klass->scroll_vertical = scroll_vertical;
klass->extend_selection = extend_selection;
klass->toggle_focus_row = toggle_focus_row;
klass->toggle_add_mode = toggle_add_mode;
klass->start_selection = start_selection;
klass->end_selection = end_selection;
klass->abort_column_resize = abort_column_resize;
klass->set_cell_contents = set_cell_contents;
klass->cell_size_request = cell_size_request;
gtk_object_add_arg_type ("GtkCList::n-columns",
GTK_TYPE_UINT,
GTK_ARG_READWRITE | GTK_ARG_CONSTRUCT_ONLY | G_PARAM_STATIC_NAME,
ARG_N_COLUMNS);
gtk_object_add_arg_type ("GtkCList::shadow-type",
GTK_TYPE_SHADOW_TYPE,
GTK_ARG_READWRITE | G_PARAM_STATIC_NAME,
ARG_SHADOW_TYPE);
gtk_object_add_arg_type ("GtkCList::selection-mode",
GTK_TYPE_SELECTION_MODE,
GTK_ARG_READWRITE | G_PARAM_STATIC_NAME,
ARG_SELECTION_MODE);
gtk_object_add_arg_type ("GtkCList::row-height",
GTK_TYPE_UINT,
GTK_ARG_READWRITE | G_PARAM_STATIC_NAME,
ARG_ROW_HEIGHT);
gtk_object_add_arg_type ("GtkCList::reorderable",
GTK_TYPE_BOOL,
GTK_ARG_READWRITE | G_PARAM_STATIC_NAME,
ARG_REORDERABLE);
gtk_object_add_arg_type ("GtkCList::titles-active",
GTK_TYPE_BOOL,
GTK_ARG_READWRITE | G_PARAM_STATIC_NAME,
ARG_TITLES_ACTIVE);
gtk_object_add_arg_type ("GtkCList::use-drag-icons",
GTK_TYPE_BOOL,
GTK_ARG_READWRITE | G_PARAM_STATIC_NAME,
ARG_USE_DRAG_ICONS);
gtk_object_add_arg_type ("GtkCList::sort-type",
GTK_TYPE_SORT_TYPE,
GTK_ARG_READWRITE | G_PARAM_STATIC_NAME,
ARG_SORT_TYPE);
widget_class->set_scroll_adjustments_signal =
gtk_signal_new (I_("set_scroll_adjustments"),
GTK_RUN_LAST,
GTK_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (GtkCListClass, set_scroll_adjustments),
_gtk_marshal_VOID__OBJECT_OBJECT,
GTK_TYPE_NONE, 2, GTK_TYPE_ADJUSTMENT, GTK_TYPE_ADJUSTMENT);
clist_signals[SELECT_ROW] =
gtk_signal_new (I_("select_row"),
GTK_RUN_FIRST,
GTK_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (GtkCListClass, select_row),
_gtk_marshal_VOID__INT_INT_BOXED,
GTK_TYPE_NONE, 3,
GTK_TYPE_INT,
GTK_TYPE_INT,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
clist_signals[UNSELECT_ROW] =
gtk_signal_new (I_("unselect_row"),
GTK_RUN_FIRST,
GTK_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (GtkCListClass, unselect_row),
_gtk_marshal_VOID__INT_INT_BOXED,
GTK_TYPE_NONE, 3, GTK_TYPE_INT,
GTK_TYPE_INT, GDK_TYPE_EVENT);
clist_signals[ROW_MOVE] =
gtk_signal_new (I_("row_move"),
GTK_RUN_LAST,
GTK_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (GtkCListClass, row_move),
_gtk_marshal_VOID__INT_INT,
GTK_TYPE_NONE, 2, GTK_TYPE_INT, GTK_TYPE_INT);
clist_signals[CLICK_COLUMN] =
gtk_signal_new (I_("click_column"),
GTK_RUN_FIRST,
GTK_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (GtkCListClass, click_column),
_gtk_marshal_VOID__INT,
GTK_TYPE_NONE, 1, GTK_TYPE_INT);
clist_signals[RESIZE_COLUMN] =
gtk_signal_new (I_("resize_column"),
GTK_RUN_LAST,
GTK_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (GtkCListClass, resize_column),
_gtk_marshal_VOID__INT_INT,
GTK_TYPE_NONE, 2, GTK_TYPE_INT, GTK_TYPE_INT);
clist_signals[TOGGLE_FOCUS_ROW] =
gtk_signal_new (I_("toggle_focus_row"),
GTK_RUN_LAST | GTK_RUN_ACTION,
GTK_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (GtkCListClass, toggle_focus_row),
_gtk_marshal_VOID__VOID,
GTK_TYPE_NONE, 0);
clist_signals[SELECT_ALL] =
gtk_signal_new (I_("select_all"),
GTK_RUN_LAST | GTK_RUN_ACTION,
GTK_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (GtkCListClass, select_all),
_gtk_marshal_VOID__VOID,
GTK_TYPE_NONE, 0);
clist_signals[UNSELECT_ALL] =
gtk_signal_new (I_("unselect_all"),
GTK_RUN_LAST | GTK_RUN_ACTION,
GTK_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (GtkCListClass, unselect_all),
_gtk_marshal_VOID__VOID,
GTK_TYPE_NONE, 0);
clist_signals[UNDO_SELECTION] =
gtk_signal_new (I_("undo_selection"),
GTK_RUN_LAST | GTK_RUN_ACTION,
GTK_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (GtkCListClass, undo_selection),
_gtk_marshal_VOID__VOID,
GTK_TYPE_NONE, 0);
clist_signals[START_SELECTION] =
gtk_signal_new (I_("start_selection"),
GTK_RUN_LAST | GTK_RUN_ACTION,
GTK_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (GtkCListClass, start_selection),
_gtk_marshal_VOID__VOID,
GTK_TYPE_NONE, 0);
clist_signals[END_SELECTION] =
gtk_signal_new (I_("end_selection"),
GTK_RUN_LAST | GTK_RUN_ACTION,
GTK_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (GtkCListClass, end_selection),
_gtk_marshal_VOID__VOID,
GTK_TYPE_NONE, 0);
clist_signals[TOGGLE_ADD_MODE] =
gtk_signal_new (I_("toggle_add_mode"),
GTK_RUN_LAST | GTK_RUN_ACTION,
GTK_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (GtkCListClass, toggle_add_mode),
_gtk_marshal_VOID__VOID,
GTK_TYPE_NONE, 0);
clist_signals[EXTEND_SELECTION] =
gtk_signal_new (I_("extend_selection"),
GTK_RUN_LAST | GTK_RUN_ACTION,
GTK_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (GtkCListClass, extend_selection),
_gtk_marshal_VOID__ENUM_FLOAT_BOOLEAN,
GTK_TYPE_NONE, 3,
GTK_TYPE_SCROLL_TYPE, GTK_TYPE_FLOAT, GTK_TYPE_BOOL);
clist_signals[SCROLL_VERTICAL] =
gtk_signal_new (I_("scroll_vertical"),
GTK_RUN_LAST | GTK_RUN_ACTION,
GTK_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (GtkCListClass, scroll_vertical),
_gtk_marshal_VOID__ENUM_FLOAT,
GTK_TYPE_NONE, 2, GTK_TYPE_SCROLL_TYPE, GTK_TYPE_FLOAT);
clist_signals[SCROLL_HORIZONTAL] =
gtk_signal_new (I_("scroll_horizontal"),
GTK_RUN_LAST | GTK_RUN_ACTION,
GTK_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (GtkCListClass, scroll_horizontal),
_gtk_marshal_VOID__ENUM_FLOAT,
GTK_TYPE_NONE, 2, GTK_TYPE_SCROLL_TYPE, GTK_TYPE_FLOAT);
clist_signals[ABORT_COLUMN_RESIZE] =
gtk_signal_new (I_("abort_column_resize"),
GTK_RUN_LAST | GTK_RUN_ACTION,
GTK_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (GtkCListClass, abort_column_resize),
_gtk_marshal_VOID__VOID,
GTK_TYPE_NONE, 0);
binding_set = gtk_binding_set_by_class (klass);
gtk_binding_entry_add_signal (binding_set, GDK_Up, 0,
"scroll_vertical", 2,
GTK_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD,
GTK_TYPE_FLOAT, 0.0);
gtk_binding_entry_add_signal (binding_set, GDK_KP_Up, 0,
"scroll_vertical", 2,
GTK_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD,
GTK_TYPE_FLOAT, 0.0);
gtk_binding_entry_add_signal (binding_set, GDK_Down, 0,
"scroll_vertical", 2,
GTK_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD,
GTK_TYPE_FLOAT, 0.0);
gtk_binding_entry_add_signal (binding_set, GDK_KP_Down, 0,
"scroll_vertical", 2,
GTK_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD,
GTK_TYPE_FLOAT, 0.0);
gtk_binding_entry_add_signal (binding_set, GDK_Page_Up, 0,
"scroll_vertical", 2,
GTK_TYPE_ENUM, GTK_SCROLL_PAGE_BACKWARD,
GTK_TYPE_FLOAT, 0.0);
gtk_binding_entry_add_signal (binding_set, GDK_KP_Page_Up, 0,
"scroll_vertical", 2,
GTK_TYPE_ENUM, GTK_SCROLL_PAGE_BACKWARD,
GTK_TYPE_FLOAT, 0.0);
gtk_binding_entry_add_signal (binding_set, GDK_Page_Down, 0,
"scroll_vertical", 2,
GTK_TYPE_ENUM, GTK_SCROLL_PAGE_FORWARD,
GTK_TYPE_FLOAT, 0.0);
gtk_binding_entry_add_signal (binding_set, GDK_KP_Page_Down, 0,
"scroll_vertical", 2,
GTK_TYPE_ENUM, GTK_SCROLL_PAGE_FORWARD,
GTK_TYPE_FLOAT, 0.0);
gtk_binding_entry_add_signal (binding_set, GDK_Home, GDK_CONTROL_MASK,
"scroll_vertical", 2,
GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
GTK_TYPE_FLOAT, 0.0);
gtk_binding_entry_add_signal (binding_set, GDK_KP_Home, GDK_CONTROL_MASK,
"scroll_vertical", 2,
GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
GTK_TYPE_FLOAT, 0.0);
gtk_binding_entry_add_signal (binding_set, GDK_End, GDK_CONTROL_MASK,
"scroll_vertical", 2,
GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
GTK_TYPE_FLOAT, 1.0);
gtk_binding_entry_add_signal (binding_set, GDK_KP_End, GDK_CONTROL_MASK,
"scroll_vertical", 2,
GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
GTK_TYPE_FLOAT, 1.0);
gtk_binding_entry_add_signal (binding_set, GDK_Up, GDK_SHIFT_MASK,
"extend_selection", 3,
GTK_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD,
GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE);
gtk_binding_entry_add_signal (binding_set, GDK_KP_Up, GDK_SHIFT_MASK,
"extend_selection", 3,
GTK_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD,
GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE);
gtk_binding_entry_add_signal (binding_set, GDK_Down, GDK_SHIFT_MASK,
"extend_selection", 3,
GTK_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD,
GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE);
gtk_binding_entry_add_signal (binding_set, GDK_KP_Down, GDK_SHIFT_MASK,
"extend_selection", 3,
GTK_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD,
GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE);
gtk_binding_entry_add_signal (binding_set, GDK_Page_Up, GDK_SHIFT_MASK,
"extend_selection", 3,
GTK_TYPE_ENUM, GTK_SCROLL_PAGE_BACKWARD,
GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE);
gtk_binding_entry_add_signal (binding_set, GDK_KP_Page_Up, GDK_SHIFT_MASK,
"extend_selection", 3,
GTK_TYPE_ENUM, GTK_SCROLL_PAGE_BACKWARD,
GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE);
gtk_binding_entry_add_signal (binding_set, GDK_Page_Down, GDK_SHIFT_MASK,
"extend_selection", 3,
GTK_TYPE_ENUM, GTK_SCROLL_PAGE_FORWARD,
GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE);
gtk_binding_entry_add_signal (binding_set, GDK_KP_Page_Down, GDK_SHIFT_MASK,
"extend_selection", 3,
GTK_TYPE_ENUM, GTK_SCROLL_PAGE_FORWARD,
GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE);
gtk_binding_entry_add_signal (binding_set, GDK_Home,
GDK_SHIFT_MASK | GDK_CONTROL_MASK,
"extend_selection", 3,
GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE);
gtk_binding_entry_add_signal (binding_set, GDK_KP_Home,
GDK_SHIFT_MASK | GDK_CONTROL_MASK,
"extend_selection", 3,
GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE);
gtk_binding_entry_add_signal (binding_set, GDK_End,
GDK_SHIFT_MASK | GDK_CONTROL_MASK,
"extend_selection", 3,
GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
GTK_TYPE_FLOAT, 1.0, GTK_TYPE_BOOL, TRUE);
gtk_binding_entry_add_signal (binding_set, GDK_KP_End,
GDK_SHIFT_MASK | GDK_CONTROL_MASK,
"extend_selection", 3,
GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
GTK_TYPE_FLOAT, 1.0, GTK_TYPE_BOOL, TRUE);
gtk_binding_entry_add_signal (binding_set, GDK_Left, 0,
"scroll_horizontal", 2,
GTK_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD,
GTK_TYPE_FLOAT, 0.0);
gtk_binding_entry_add_signal (binding_set, GDK_KP_Left, 0,
"scroll_horizontal", 2,
GTK_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD,
GTK_TYPE_FLOAT, 0.0);
gtk_binding_entry_add_signal (binding_set, GDK_Right, 0,
"scroll_horizontal", 2,
GTK_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD,
GTK_TYPE_FLOAT, 0.0);
gtk_binding_entry_add_signal (binding_set, GDK_KP_Right, 0,
"scroll_horizontal", 2,
GTK_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD,
GTK_TYPE_FLOAT, 0.0);
gtk_binding_entry_add_signal (binding_set, GDK_Home, 0,
"scroll_horizontal", 2,
GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
GTK_TYPE_FLOAT, 0.0);
gtk_binding_entry_add_signal (binding_set, GDK_KP_Home, 0,
"scroll_horizontal", 2,
GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
GTK_TYPE_FLOAT, 0.0);
gtk_binding_entry_add_signal (binding_set, GDK_End, 0,
"scroll_horizontal", 2,
GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
GTK_TYPE_FLOAT, 1.0);
gtk_binding_entry_add_signal (binding_set, GDK_KP_End, 0,
"scroll_horizontal", 2,
GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
GTK_TYPE_FLOAT, 1.0);
gtk_binding_entry_add_signal (binding_set, GDK_Escape, 0,
"undo_selection", 0);
gtk_binding_entry_add_signal (binding_set, GDK_Escape, 0,
"abort_column_resize", 0);
gtk_binding_entry_add_signal (binding_set, GDK_space, 0,
"toggle_focus_row", 0);
gtk_binding_entry_add_signal (binding_set, GDK_KP_Space, 0,
"toggle_focus_row", 0);
gtk_binding_entry_add_signal (binding_set, GDK_space, GDK_CONTROL_MASK,
"toggle_add_mode", 0);
gtk_binding_entry_add_signal (binding_set, GDK_KP_Space, GDK_CONTROL_MASK,
"toggle_add_mode", 0);
gtk_binding_entry_add_signal (binding_set, GDK_slash, GDK_CONTROL_MASK,
"select_all", 0);
gtk_binding_entry_add_signal (binding_set, GDK_KP_Divide, GDK_CONTROL_MASK,
"select_all", 0);
gtk_binding_entry_add_signal (binding_set, '\\', GDK_CONTROL_MASK,
"unselect_all", 0);
gtk_binding_entry_add_signal (binding_set, GDK_Shift_L,
GDK_RELEASE_MASK | GDK_SHIFT_MASK,
"end_selection", 0);
gtk_binding_entry_add_signal (binding_set, GDK_Shift_R,
GDK_RELEASE_MASK | GDK_SHIFT_MASK,
"end_selection", 0);
gtk_binding_entry_add_signal (binding_set, GDK_Shift_L,
GDK_RELEASE_MASK | GDK_SHIFT_MASK |
GDK_CONTROL_MASK,
"end_selection", 0);
gtk_binding_entry_add_signal (binding_set, GDK_Shift_R,
GDK_RELEASE_MASK | GDK_SHIFT_MASK |
GDK_CONTROL_MASK,
"end_selection", 0);
}
static void
gtk_clist_set_arg (GtkObject *object,
GtkArg *arg,
guint arg_id)
{
GtkCList *clist;
clist = GTK_CLIST (object);
switch (arg_id)
{
case ARG_N_COLUMNS: /* only set at construction time */
clist->columns = MAX (1, GTK_VALUE_UINT (*arg));
break;
case ARG_SHADOW_TYPE:
gtk_clist_set_shadow_type (clist, GTK_VALUE_ENUM (*arg));
break;
case ARG_SELECTION_MODE:
gtk_clist_set_selection_mode (clist, GTK_VALUE_ENUM (*arg));
break;
case ARG_ROW_HEIGHT:
gtk_clist_set_row_height (clist, GTK_VALUE_UINT (*arg));
break;
case ARG_REORDERABLE:
gtk_clist_set_reorderable (clist, GTK_VALUE_BOOL (*arg));
break;
case ARG_TITLES_ACTIVE:
if (GTK_VALUE_BOOL (*arg))
gtk_clist_column_titles_active (clist);
else
gtk_clist_column_titles_passive (clist);
break;
case ARG_USE_DRAG_ICONS:
gtk_clist_set_use_drag_icons (clist, GTK_VALUE_BOOL (*arg));
break;
case ARG_SORT_TYPE:
gtk_clist_set_sort_type (clist, GTK_VALUE_ENUM (*arg));
break;
}
}
static void
gtk_clist_get_arg (GtkObject *object,
GtkArg *arg,
guint arg_id)
{
GtkCList *clist;
clist = GTK_CLIST (object);
switch (arg_id)
{
guint i;
case ARG_N_COLUMNS:
GTK_VALUE_UINT (*arg) = clist->columns;
break;
case ARG_SHADOW_TYPE:
GTK_VALUE_ENUM (*arg) = clist->shadow_type;
break;
case ARG_SELECTION_MODE:
GTK_VALUE_ENUM (*arg) = clist->selection_mode;
break;
case ARG_ROW_HEIGHT:
GTK_VALUE_UINT (*arg) = GTK_CLIST_ROW_HEIGHT_SET(clist) ? clist->row_height : 0;
break;
case ARG_REORDERABLE:
GTK_VALUE_BOOL (*arg) = GTK_CLIST_REORDERABLE (clist);
break;
case ARG_TITLES_ACTIVE:
GTK_VALUE_BOOL (*arg) = TRUE;
for (i = 0; i < clist->columns; i++)
if (clist->column[i].button &&
!GTK_WIDGET_SENSITIVE (clist->column[i].button))
{
GTK_VALUE_BOOL (*arg) = FALSE;
break;
}
break;
case ARG_USE_DRAG_ICONS:
GTK_VALUE_BOOL (*arg) = GTK_CLIST_USE_DRAG_ICONS (clist);
break;
case ARG_SORT_TYPE:
GTK_VALUE_ENUM (*arg) = clist->sort_type;
break;
default:
arg->type = GTK_TYPE_INVALID;
break;
}
}
static void
gtk_clist_init (GtkCList *clist)
{
clist->flags = 0;
GTK_WIDGET_UNSET_FLAGS (clist, GTK_NO_WINDOW);
GTK_WIDGET_SET_FLAGS (clist, GTK_CAN_FOCUS);
GTK_CLIST_SET_FLAG (clist, CLIST_DRAW_DRAG_LINE);
GTK_CLIST_SET_FLAG (clist, CLIST_USE_DRAG_ICONS);
clist->freeze_count = 0;
clist->rows = 0;
clist->row_height = 0;
clist->row_list = NULL;
clist->row_list_end = NULL;
clist->columns = 0;
clist->title_window = NULL;
clist->column_title_area.x = 0;
clist->column_title_area.y = 0;
clist->column_title_area.width = 1;
clist->column_title_area.height = 1;
clist->clist_window = NULL;
clist->clist_window_width = 1;
clist->clist_window_height = 1;
clist->hoffset = 0;
clist->voffset = 0;
clist->shadow_type = GTK_SHADOW_IN;
clist->vadjustment = NULL;
clist->hadjustment = NULL;
clist->button_actions[0] = GTK_BUTTON_SELECTS | GTK_BUTTON_DRAGS;
clist->button_actions[1] = GTK_BUTTON_IGNORED;
clist->button_actions[2] = GTK_BUTTON_IGNORED;
clist->button_actions[3] = GTK_BUTTON_IGNORED;
clist->button_actions[4] = GTK_BUTTON_IGNORED;
clist->cursor_drag = NULL;
clist->xor_gc = NULL;
clist->fg_gc = NULL;
clist->bg_gc = NULL;
clist->x_drag = 0;
clist->selection_mode = GTK_SELECTION_SINGLE;
clist->selection = NULL;
clist->selection_end = NULL;
clist->undo_selection = NULL;
clist->undo_unselection = NULL;
clist->focus_row = -1;
clist->focus_header_column = -1;
clist->undo_anchor = -1;
clist->anchor = -1;
clist->anchor_state = GTK_STATE_SELECTED;
clist->drag_pos = -1;
clist->htimer = 0;
clist->vtimer = 0;
clist->click_cell.row = -1;
clist->click_cell.column = -1;
clist->compare = default_compare;
clist->sort_type = GTK_SORT_ASCENDING;
clist->sort_column = 0;
clist->drag_highlight_row = -1;
}
/* Constructor */
static GObject*
gtk_clist_constructor (GType type,
guint n_construct_properties,
GObjectConstructParam *construct_properties)
{
GObject *object = G_OBJECT_CLASS (parent_class)->constructor (type,
n_construct_properties,
construct_properties);
GtkCList *clist = GTK_CLIST (object);
/* allocate memory for columns */
clist->column = columns_new (clist);
/* there needs to be at least one column button
* because there is alot of code that will break if it
* isn't there
*/
column_button_create (clist, 0);
return object;
}
/* GTKCLIST PUBLIC INTERFACE
* gtk_clist_new
* gtk_clist_new_with_titles
* gtk_clist_set_hadjustment
* gtk_clist_set_vadjustment
* gtk_clist_get_hadjustment
* gtk_clist_get_vadjustment
* gtk_clist_set_shadow_type
* gtk_clist_set_selection_mode
* gtk_clist_freeze
* gtk_clist_thaw
*/
GtkWidget*
gtk_clist_new (gint columns)
{
return gtk_clist_new_with_titles (columns, NULL);
}
GtkWidget*
gtk_clist_new_with_titles (gint columns,
gchar *titles[])
{
GtkCList *clist;
clist = g_object_new (GTK_TYPE_CLIST,
"n_columns", columns,
NULL);
if (titles)
{
guint i;
for (i = 0; i < clist->columns; i++)
gtk_clist_set_column_title (clist, i, titles[i]);
gtk_clist_column_titles_show (clist);
}
else
gtk_clist_column_titles_hide (clist);
return GTK_WIDGET (clist);
}
void
gtk_clist_set_hadjustment (GtkCList *clist,
GtkAdjustment *adjustment)
{
GtkAdjustment *old_adjustment;
g_return_if_fail (GTK_IS_CLIST (clist));
if (adjustment)
g_return_if_fail (GTK_IS_ADJUSTMENT (adjustment));
if (clist->hadjustment == adjustment)
return;
old_adjustment = clist->hadjustment;
if (clist->hadjustment)
{
gtk_signal_disconnect_by_data (GTK_OBJECT (clist->hadjustment), clist);
gtk_object_unref (GTK_OBJECT (clist->hadjustment));
}
clist->hadjustment = adjustment;
if (clist->hadjustment)
{
g_object_ref_sink (clist->hadjustment);
gtk_signal_connect (GTK_OBJECT (clist->hadjustment), "changed",
(GtkSignalFunc) hadjustment_changed,
(gpointer) clist);
gtk_signal_connect (GTK_OBJECT (clist->hadjustment), "value_changed",
(GtkSignalFunc) hadjustment_value_changed,
(gpointer) clist);
}
if (!clist->hadjustment || !old_adjustment)
gtk_widget_queue_resize (GTK_WIDGET (clist));
}
GtkAdjustment *
gtk_clist_get_hadjustment (GtkCList *clist)
{
g_return_val_if_fail (GTK_IS_CLIST (clist), NULL);
return clist->hadjustment;
}
void
gtk_clist_set_vadjustment (GtkCList *clist,
GtkAdjustment *adjustment)
{
GtkAdjustment *old_adjustment;
g_return_if_fail (GTK_IS_CLIST (clist));
if (adjustment)
g_return_if_fail (GTK_IS_ADJUSTMENT (adjustment));
if (clist->vadjustment == adjustment)
return;
old_adjustment = clist->vadjustment;
if (clist->vadjustment)
{
gtk_signal_disconnect_by_data (GTK_OBJECT (clist->vadjustment), clist);
gtk_object_unref (GTK_OBJECT (clist->vadjustment));
}
clist->vadjustment = adjustment;
if (clist->vadjustment)
{
g_object_ref_sink (clist->vadjustment);
gtk_signal_connect (GTK_OBJECT (clist->vadjustment), "changed",
(GtkSignalFunc) vadjustment_changed,
(gpointer) clist);
gtk_signal_connect (GTK_OBJECT (clist->vadjustment), "value_changed",
(GtkSignalFunc) vadjustment_value_changed,
(gpointer) clist);
}
if (!clist->vadjustment || !old_adjustment)
gtk_widget_queue_resize (GTK_WIDGET (clist));
}
GtkAdjustment *
gtk_clist_get_vadjustment (GtkCList *clist)
{
g_return_val_if_fail (GTK_IS_CLIST (clist), NULL);
return clist->vadjustment;
}
static void
gtk_clist_set_scroll_adjustments (GtkCList *clist,
GtkAdjustment *hadjustment,
GtkAdjustment *vadjustment)
{
if (clist->hadjustment != hadjustment)
gtk_clist_set_hadjustment (clist, hadjustment);
if (clist->vadjustment != vadjustment)
gtk_clist_set_vadjustment (clist, vadjustment);
}
void
gtk_clist_set_shadow_type (GtkCList *clist,
GtkShadowType type)
{
g_return_if_fail (GTK_IS_CLIST (clist));
clist->shadow_type = type;
if (GTK_WIDGET_VISIBLE (clist))
gtk_widget_queue_resize (GTK_WIDGET (clist));
}
void
gtk_clist_set_selection_mode (GtkCList *clist,
GtkSelectionMode mode)
{
g_return_if_fail (GTK_IS_CLIST (clist));
g_return_if_fail (mode != GTK_SELECTION_NONE);
if (mode == clist->selection_mode)
return;
clist->selection_mode = mode;
clist->anchor = -1;
clist->anchor_state = GTK_STATE_SELECTED;
clist->drag_pos = -1;
clist->undo_anchor = clist->focus_row;
g_list_free (clist->undo_selection);
g_list_free (clist->undo_unselection);
clist->undo_selection = NULL;
clist->undo_unselection = NULL;
switch (mode)
{
case GTK_SELECTION_MULTIPLE:
return;
case GTK_SELECTION_BROWSE:
case GTK_SELECTION_SINGLE:
gtk_clist_unselect_all (clist);
break;
default:
/* Someone set it by hand */
g_assert_not_reached ();
}
}
void
gtk_clist_freeze (GtkCList *clist)
{
g_return_if_fail (GTK_IS_CLIST (clist));
clist->freeze_count++;
}
void
gtk_clist_thaw (GtkCList *clist)
{
g_return_if_fail (GTK_IS_CLIST (clist));
if (clist->freeze_count)
{
clist->freeze_count--;
CLIST_REFRESH (clist);
}
}
/* PUBLIC COLUMN FUNCTIONS
* gtk_clist_column_titles_show
* gtk_clist_column_titles_hide
* gtk_clist_column_title_active
* gtk_clist_column_title_passive
* gtk_clist_column_titles_active
* gtk_clist_column_titles_passive
* gtk_clist_set_column_title
* gtk_clist_get_column_title
* gtk_clist_set_column_widget
* gtk_clist_set_column_justification
* gtk_clist_set_column_visibility
* gtk_clist_set_column_resizeable
* gtk_clist_set_column_auto_resize
* gtk_clist_optimal_column_width
* gtk_clist_set_column_width
* gtk_clist_set_column_min_width
* gtk_clist_set_column_max_width
*/
void
gtk_clist_column_titles_show (GtkCList *clist)
{
g_return_if_fail (GTK_IS_CLIST (clist));
if (!GTK_CLIST_SHOW_TITLES(clist))
{
GTK_CLIST_SET_FLAG (clist, CLIST_SHOW_TITLES);
if (clist->title_window)
gdk_window_show (clist->title_window);
gtk_widget_queue_resize (GTK_WIDGET (clist));
}
}
void
gtk_clist_column_titles_hide (GtkCList *clist)
{
g_return_if_fail (GTK_IS_CLIST (clist));
if (GTK_CLIST_SHOW_TITLES(clist))
{
GTK_CLIST_UNSET_FLAG (clist, CLIST_SHOW_TITLES);
if (clist->title_window)
gdk_window_hide (clist->title_window);
gtk_widget_queue_resize (GTK_WIDGET (clist));
}
}
void
gtk_clist_column_title_active (GtkCList *clist,
gint column)
{
g_return_if_fail (GTK_IS_CLIST (clist));
if (column < 0 || column >= clist->columns)
return;
if (!clist->column[column].button || !clist->column[column].button_passive)
return;
clist->column[column].button_passive = FALSE;
gtk_signal_disconnect_by_func (GTK_OBJECT (clist->column[column].button),
(GtkSignalFunc) column_title_passive_func,
NULL);
GTK_WIDGET_SET_FLAGS (clist->column[column].button, GTK_CAN_FOCUS);
if (GTK_WIDGET_VISIBLE (clist))
gtk_widget_queue_draw (clist->column[column].button);
}
void
gtk_clist_column_title_passive (GtkCList *clist,
gint column)
{
GtkButton *button;
g_return_if_fail (GTK_IS_CLIST (clist));
if (column < 0 || column >= clist->columns)
return;
if (!clist->column[column].button || clist->column[column].button_passive)
return;
button = GTK_BUTTON (clist->column[column].button);
clist->column[column].button_passive = TRUE;
if (button->button_down)
gtk_button_released (button);
if (button->in_button)
gtk_button_leave (button);
gtk_signal_connect (GTK_OBJECT (clist->column[column].button), "event",
(GtkSignalFunc) column_title_passive_func, NULL);
GTK_WIDGET_UNSET_FLAGS (clist->column[column].button, GTK_CAN_FOCUS);
if (GTK_WIDGET_VISIBLE (clist))
gtk_widget_queue_draw (clist->column[column].button);
}
void
gtk_clist_column_titles_active (GtkCList *clist)
{
gint i;
g_return_if_fail (GTK_IS_CLIST (clist));
for (i = 0; i < clist->columns; i++)
gtk_clist_column_title_active (clist, i);
}
void
gtk_clist_column_titles_passive (GtkCList *clist)
{
gint i;
g_return_if_fail (GTK_IS_CLIST (clist));
for (i = 0; i < clist->columns; i++)
gtk_clist_column_title_passive (clist, i);
}
void
gtk_clist_set_column_title (GtkCList *clist,
gint column,
const gchar *title)
{
gint new_button = 0;
GtkWidget *old_widget;
GtkWidget *alignment = NULL;
GtkWidget *label;
g_return_if_fail (GTK_IS_CLIST (clist));
if (column < 0 || column >= clist->columns)
return;
/* if the column button doesn't currently exist,
* it has to be created first */
if (!clist->column[column].button)
{
column_button_create (clist, column);
new_button = 1;
}
column_title_new (clist, column, title);
/* remove and destroy the old widget */
old_widget = GTK_BIN (clist->column[column].button)->child;
if (old_widget)
gtk_container_remove (GTK_CONTAINER (clist->column[column].button), old_widget);
/* create new alignment based no column justification */
switch (clist->column[column].justification)
{
case GTK_JUSTIFY_LEFT:
alignment = gtk_alignment_new (0.0, 0.5, 0.0, 0.0);
break;
case GTK_JUSTIFY_RIGHT:
alignment = gtk_alignment_new (1.0, 0.5, 0.0, 0.0);
break;
case GTK_JUSTIFY_CENTER:
alignment = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
break;
case GTK_JUSTIFY_FILL:
alignment = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
break;
}
gtk_widget_push_composite_child ();
label = gtk_label_new (clist->column[column].title);
gtk_widget_pop_composite_child ();
gtk_container_add (GTK_CONTAINER (alignment), label);
gtk_container_add (GTK_CONTAINER (clist->column[column].button), alignment);
gtk_widget_show (label);
gtk_widget_show (alignment);
/* if this button didn't previously exist, then the
* column button positions have to be re-computed */
if (GTK_WIDGET_VISIBLE (clist) && new_button)
size_allocate_title_buttons (clist);
}
gchar *
gtk_clist_get_column_title (GtkCList *clist,
gint column)
{
g_return_val_if_fail (GTK_IS_CLIST (clist), NULL);
if (column < 0 || column >= clist->columns)
return NULL;
return clist->column[column].title;
}
void
gtk_clist_set_column_widget (GtkCList *clist,
gint column,
GtkWidget *widget)
{
gint new_button = 0;
GtkWidget *old_widget;
g_return_if_fail (GTK_IS_CLIST (clist));
if (column < 0 || column >= clist->columns)
return;
/* if the column button doesn't currently exist,
* it has to be created first */
if (!clist->column[column].button)
{
column_button_create (clist, column);
new_button = 1;
}
column_title_new (clist, column, NULL);
/* remove and destroy the old widget */
old_widget = GTK_BIN (clist->column[column].button)->child;
if (old_widget)
gtk_container_remove (GTK_CONTAINER (clist->column[column].button),
old_widget);
/* add and show the widget */
if (widget)
{
gtk_container_add (GTK_CONTAINER (clist->column[column].button), widget);
gtk_widget_show (widget);
}
/* if this button didn't previously exist, then the
* column button positions have to be re-computed */
if (GTK_WIDGET_VISIBLE (clist) && new_button)
size_allocate_title_buttons (clist);
}
GtkWidget *
gtk_clist_get_column_widget (GtkCList *clist,
gint column)
{
g_return_val_if_fail (GTK_IS_CLIST (clist), NULL);
if (column < 0 || column >= clist->columns)
return NULL;
if (clist->column[column].button)
return GTK_BIN (clist->column[column].button)->child;
return NULL;
}
void
gtk_clist_set_column_justification (GtkCList *clist,
gint column,
GtkJustification justification)
{
GtkWidget *alignment;
g_return_if_fail (GTK_IS_CLIST (clist));
if (column < 0 || column >= clist->columns)
return;
clist->column[column].justification = justification;
/* change the alinment of the button title if it's not a
* custom widget */
if (clist->column[column].title)
{
alignment = GTK_BIN (clist->column[column].button)->child;
switch (clist->column[column].justification)
{
case GTK_JUSTIFY_LEFT:
gtk_alignment_set (GTK_ALIGNMENT (alignment), 0.0, 0.5, 0.0, 0.0);
break;
case GTK_JUSTIFY_RIGHT:
gtk_alignment_set (GTK_ALIGNMENT (alignment), 1.0, 0.5, 0.0, 0.0);
break;
case GTK_JUSTIFY_CENTER:
gtk_alignment_set (GTK_ALIGNMENT (alignment), 0.5, 0.5, 0.0, 0.0);
break;
case GTK_JUSTIFY_FILL:
gtk_alignment_set (GTK_ALIGNMENT (alignment), 0.5, 0.5, 0.0, 0.0);
break;
default:
break;
}
}
if (CLIST_UNFROZEN (clist))
draw_rows (clist, NULL);
}
void
gtk_clist_set_column_visibility (GtkCList *clist,
gint column,
gboolean visible)
{
g_return_if_fail (GTK_IS_CLIST (clist));
if (column < 0 || column >= clist->columns)
return;
if (clist->column[column].visible == visible)
return;
/* don't hide last visible column */
if (!visible)
{
gint i;
gint vis_columns = 0;
for (i = 0, vis_columns = 0; i < clist->columns && vis_columns < 2; i++)
if (clist->column[i].visible)
vis_columns++;
if (vis_columns < 2)
return;
}
clist->column[column].visible = visible;
if (clist->column[column].button)
{
if (visible)
gtk_widget_show (clist->column[column].button);
else
gtk_widget_hide (clist->column[column].button);
}
gtk_widget_queue_resize (GTK_WIDGET(clist));
}
void
gtk_clist_set_column_resizeable (GtkCList *clist,
gint column,
gboolean resizeable)
{
g_return_if_fail (GTK_IS_CLIST (clist));
if (column < 0 || column >= clist->columns)
return;
if (clist->column[column].resizeable == resizeable)
return;
clist->column[column].resizeable = resizeable;
if (resizeable)
clist->column[column].auto_resize = FALSE;
if (GTK_WIDGET_VISIBLE (clist))
size_allocate_title_buttons (clist);
}
void
gtk_clist_set_column_auto_resize (GtkCList *clist,
gint column,
gboolean auto_resize)
{
g_return_if_fail (GTK_IS_CLIST (clist));
if (column < 0 || column >= clist->columns)
return;
if (clist->column[column].auto_resize == auto_resize)
return;
clist->column[column].auto_resize = auto_resize;
if (auto_resize)
{
clist->column[column].resizeable = FALSE;
if (!GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
{
gint width;
width = gtk_clist_optimal_column_width (clist, column);
gtk_clist_set_column_width (clist, column, width);
}
}
if (GTK_WIDGET_VISIBLE (clist))
size_allocate_title_buttons (clist);
}
gint
gtk_clist_columns_autosize (GtkCList *clist)
{
gint i;
gint width;
g_return_val_if_fail (GTK_IS_CLIST (clist), 0);
gtk_clist_freeze (clist);
width = 0;
for (i = 0; i < clist->columns; i++)
{
gtk_clist_set_column_width (clist, i,
gtk_clist_optimal_column_width (clist, i));
width += clist->column[i].width;
}
gtk_clist_thaw (clist);
return width;
}
gint
gtk_clist_optimal_column_width (GtkCList *clist,
gint column)
{
GtkRequisition requisition;
GList *list;
gint width;
g_return_val_if_fail (GTK_CLIST (clist), 0);
if (column < 0 || column >= clist->columns)
return 0;
if (GTK_CLIST_SHOW_TITLES(clist) && clist->column[column].button)
width = (clist->column[column].button->requisition.width)
#if 0
(CELL_SPACING + (2 * COLUMN_INSET)))
#endif
;
else
width = 0;
for (list = clist->row_list; list; list = list->next)
{
GTK_CLIST_GET_CLASS (clist)->cell_size_request
(clist, GTK_CLIST_ROW (list), column, &requisition);
width = MAX (width, requisition.width);
}
return width;
}
void
gtk_clist_set_column_width (GtkCList *clist,
gint column,
gint width)
{
g_return_if_fail (GTK_IS_CLIST (clist));
if (column < 0 || column >= clist->columns)
return;
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[RESIZE_COLUMN],
column, width);
}
void
gtk_clist_set_column_min_width (GtkCList *clist,
gint column,
gint min_width)
{
g_return_if_fail (GTK_IS_CLIST (clist));
if (column < 0 || column >= clist->columns)
return;
if (clist->column[column].min_width == min_width)
return;
if (clist->column[column].max_width >= 0 &&
clist->column[column].max_width < min_width)
clist->column[column].min_width = clist->column[column].max_width;
else
clist->column[column].min_width = min_width;
if (clist->column[column].area.width < clist->column[column].min_width)
gtk_clist_set_column_width (clist, column,clist->column[column].min_width);
}
void
gtk_clist_set_column_max_width (GtkCList *clist,
gint column,
gint max_width)
{
g_return_if_fail (GTK_IS_CLIST (clist));
if (column < 0 || column >= clist->columns)
return;
if (clist->column[column].max_width == max_width)
return;
if (clist->column[column].min_width >= 0 && max_width >= 0 &&
clist->column[column].min_width > max_width)
clist->column[column].max_width = clist->column[column].min_width;
else
clist->column[column].max_width = max_width;
if (clist->column[column].area.width > clist->column[column].max_width)
gtk_clist_set_column_width (clist, column,clist->column[column].max_width);
}
/* PRIVATE COLUMN FUNCTIONS
* column_auto_resize
* real_resize_column
* abort_column_resize
* size_allocate_title_buttons
* size_allocate_columns
* list_requisition_width
* new_column_width
* column_button_create
* column_button_clicked
* column_title_passive_func
*/
static void
column_auto_resize (GtkCList *clist,
GtkCListRow *clist_row,
gint column,
gint old_width)
{
/* resize column if needed for auto_resize */
GtkRequisition requisition;
if (!clist->column[column].auto_resize ||
GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
return;
if (clist_row)
GTK_CLIST_GET_CLASS (clist)->cell_size_request (clist, clist_row,
column, &requisition);
else
requisition.width = 0;
if (requisition.width > clist->column[column].width)
gtk_clist_set_column_width (clist, column, requisition.width);
else if (requisition.width < old_width &&
old_width == clist->column[column].width)
{
GList *list;
gint new_width = 0;
/* run a "gtk_clist_optimal_column_width" but break, if
* the column doesn't shrink */
if (GTK_CLIST_SHOW_TITLES(clist) && clist->column[column].button)
new_width = (clist->column[column].button->requisition.width -
(CELL_SPACING + (2 * COLUMN_INSET)));
else
new_width = 0;
for (list = clist->row_list; list; list = list->next)
{
GTK_CLIST_GET_CLASS (clist)->cell_size_request
(clist, GTK_CLIST_ROW (list), column, &requisition);
new_width = MAX (new_width, requisition.width);
if (new_width == clist->column[column].width)
break;
}
if (new_width < clist->column[column].width)
gtk_clist_set_column_width
(clist, column, MAX (new_width, clist->column[column].min_width));
}
}
static void
real_resize_column (GtkCList *clist,
gint column,
gint width)
{
g_return_if_fail (GTK_IS_CLIST (clist));
if (column < 0 || column >= clist->columns)
return;
if (width < MAX (COLUMN_MIN_WIDTH, clist->column[column].min_width))
width = MAX (COLUMN_MIN_WIDTH, clist->column[column].min_width);
if (clist->column[column].max_width >= 0 &&
width > clist->column[column].max_width)
width = clist->column[column].max_width;
clist->column[column].width = width;
clist->column[column].width_set = TRUE;
/* FIXME: this is quite expensive to do if the widget hasn't
* been size_allocated yet, and pointless. Should
* a flag be kept
*/
size_allocate_columns (clist, TRUE);
size_allocate_title_buttons (clist);
CLIST_REFRESH (clist);
}
static void
abort_column_resize (GtkCList *clist)
{
g_return_if_fail (GTK_IS_CLIST (clist));
if (!GTK_CLIST_IN_DRAG(clist))
return;
GTK_CLIST_UNSET_FLAG (clist, CLIST_IN_DRAG);
gtk_grab_remove (GTK_WIDGET (clist));
gdk_display_pointer_ungrab (gtk_widget_get_display (GTK_WIDGET (clist)),
GDK_CURRENT_TIME);
clist->drag_pos = -1;
if (clist->x_drag >= 0 && clist->x_drag <= clist->clist_window_width - 1)
draw_xor_line (clist);
if (GTK_CLIST_ADD_MODE(clist))
{
gdk_gc_set_line_attributes (clist->xor_gc, 1, GDK_LINE_ON_OFF_DASH, 0,0);
gdk_gc_set_dashes (clist->xor_gc, 0, "\4\4", 2);
}
}
static void
size_allocate_title_buttons (GtkCList *clist)
{
GtkAllocation button_allocation;
gint last_column;
gint last_button = 0;
gint i;
if (!GTK_WIDGET_REALIZED (clist))
return;
button_allocation.x = clist->hoffset;
button_allocation.y = 0;
button_allocation.width = 0;
button_allocation.height = clist->column_title_area.height;
/* find last visible column */
for (last_column = clist->columns - 1; last_column >= 0; last_column--)
if (clist->column[last_column].visible)
break;
for (i = 0; i < last_column; i++)
{
if (!clist->column[i].visible)
{
last_button = i + 1;
gdk_window_hide (clist->column[i].window);
continue;
}
button_allocation.width += (clist->column[i].area.width +
CELL_SPACING + 2 * COLUMN_INSET);
if (!clist->column[i + 1].button)
{
gdk_window_hide (clist->column[i].window);
continue;
}
gtk_widget_size_allocate (clist->column[last_button].button,
&button_allocation);
button_allocation.x += button_allocation.width;
button_allocation.width = 0;
if (clist->column[last_button].resizeable)
{
gdk_window_show (clist->column[last_button].window);
gdk_window_move_resize (clist->column[last_button].window,
button_allocation.x - (DRAG_WIDTH / 2),
0, DRAG_WIDTH,
clist->column_title_area.height);
}
else
gdk_window_hide (clist->column[last_button].window);
last_button = i + 1;
}
button_allocation.width += (clist->column[last_column].area.width +
2 * (CELL_SPACING + COLUMN_INSET));
gtk_widget_size_allocate (clist->column[last_button].button,
&button_allocation);
if (clist->column[last_button].resizeable)
{
button_allocation.x += button_allocation.width;
gdk_window_show (clist->column[last_button].window);
gdk_window_move_resize (clist->column[last_button].window,
button_allocation.x - (DRAG_WIDTH / 2),
0, DRAG_WIDTH, clist->column_title_area.height);
}
else
gdk_window_hide (clist->column[last_button].window);
}
static void
size_allocate_columns (GtkCList *clist,
gboolean block_resize)
{
gint xoffset = CELL_SPACING + COLUMN_INSET;
gint last_column;
gint i;
/* find last visible column and calculate correct column width */
for (last_column = clist->columns - 1;
last_column >= 0 && !clist->column[last_column].visible; last_column--);
if (last_column < 0)
return;
for (i = 0; i <= last_column; i++)
{
if (!clist->column[i].visible)
continue;
clist->column[i].area.x = xoffset;
if (clist->column[i].width_set)
{
if (!block_resize && GTK_CLIST_SHOW_TITLES(clist) &&
clist->column[i].auto_resize && clist->column[i].button)
{
gint width;
width = (clist->column[i].button->requisition.width -
(CELL_SPACING + (2 * COLUMN_INSET)));
if (width > clist->column[i].width)
gtk_clist_set_column_width (clist, i, width);
}
clist->column[i].area.width = clist->column[i].width;
xoffset += clist->column[i].width + CELL_SPACING + (2* COLUMN_INSET);
}
else if (GTK_CLIST_SHOW_TITLES(clist) && clist->column[i].button)
{
clist->column[i].area.width =
clist->column[i].button->requisition.width -
(CELL_SPACING + (2 * COLUMN_INSET));
xoffset += clist->column[i].button->requisition.width;
}
}
clist->column[last_column].area.width = clist->column[last_column].area.width
+ MAX (0, clist->clist_window_width + COLUMN_INSET - xoffset);
}
static gint
list_requisition_width (GtkCList *clist)
{
gint width = CELL_SPACING;
gint i;
for (i = clist->columns - 1; i >= 0; i--)
{
if (!clist->column[i].visible)
continue;
if (clist->column[i].width_set)
width += clist->column[i].width + CELL_SPACING + (2 * COLUMN_INSET);
else if (GTK_CLIST_SHOW_TITLES(clist) && clist->column[i].button)
width += clist->column[i].button->requisition.width;
}
return width;
}
/* this function returns the new width of the column being resized given
* the column and x position of the cursor; the x cursor position is passed
* in as a pointer and automagicly corrected if it's beyond min/max limits */
static gint
new_column_width (GtkCList *clist,
gint column,
gint *x)
{
gint xthickness = GTK_WIDGET (clist)->style->xthickness;
gint width;
gint cx;
gint dx;
gint last_column;
/* first translate the x position from widget->window
* to clist->clist_window */
cx = *x - xthickness;
for (last_column = clist->columns - 1;
last_column >= 0 && !clist->column[last_column].visible; last_column--);
/* calculate new column width making sure it doesn't end up
* less than the minimum width */
dx = (COLUMN_LEFT_XPIXEL (clist, column) + COLUMN_INSET +
(column < last_column) * CELL_SPACING);
width = cx - dx;
if (width < MAX (COLUMN_MIN_WIDTH, clist->column[column].min_width))
{
width = MAX (COLUMN_MIN_WIDTH, clist->column[column].min_width);
cx = dx + width;
*x = cx + xthickness;
}
else if (clist->column[column].max_width >= COLUMN_MIN_WIDTH &&
width > clist->column[column].max_width)
{
width = clist->column[column].max_width;
cx = dx + clist->column[column].max_width;
*x = cx + xthickness;
}
if (cx < 0 || cx > clist->clist_window_width)
*x = -1;
return width;
}
static void
column_button_create (GtkCList *clist,
gint column)
{
GtkWidget *button;
gtk_widget_push_composite_child ();
button = clist->column[column].button = gtk_button_new ();
gtk_widget_pop_composite_child ();
if (GTK_WIDGET_REALIZED (clist) && clist->title_window)
gtk_widget_set_parent_window (clist->column[column].button,
clist->title_window);
gtk_widget_set_parent (button, GTK_WIDGET (clist));
gtk_signal_connect (GTK_OBJECT (button), "clicked",
(GtkSignalFunc) column_button_clicked,
(gpointer) clist);
gtk_widget_show (button);
}
static void
column_button_clicked (GtkWidget *widget,
gpointer data)
{
gint i;
GtkCList *clist;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_CLIST (data));
clist = GTK_CLIST (data);
/* find the column who's button was pressed */
for (i = 0; i < clist->columns; i++)
if (clist->column[i].button == widget)
break;
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[CLICK_COLUMN], i);
}
static gint
column_title_passive_func (GtkWidget *widget,
GdkEvent *event,
gpointer data)
{
g_return_val_if_fail (event != NULL, FALSE);
switch (event->type)
{
case GDK_MOTION_NOTIFY:
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
case GDK_BUTTON_RELEASE:
case GDK_ENTER_NOTIFY:
case GDK_LEAVE_NOTIFY:
return TRUE;
default:
break;
}
return FALSE;
}
/* PUBLIC CELL FUNCTIONS
* gtk_clist_get_cell_type
* gtk_clist_set_text
* gtk_clist_get_text
* gtk_clist_set_pixmap
* gtk_clist_get_pixmap
* gtk_clist_set_pixtext
* gtk_clist_get_pixtext
* gtk_clist_set_shift
*/
GtkCellType
gtk_clist_get_cell_type (GtkCList *clist,
gint row,
gint column)
{
GtkCListRow *clist_row;
g_return_val_if_fail (GTK_IS_CLIST (clist), -1);
if (row < 0 || row >= clist->rows)
return -1;
if (column < 0 || column >= clist->columns)
return -1;
clist_row = ROW_ELEMENT (clist, row)->data;
return clist_row->cell[column].type;
}
void
gtk_clist_set_text (GtkCList *clist,
gint row,
gint column,
const gchar *text)
{
GtkCListRow *clist_row;
g_return_if_fail (GTK_IS_CLIST (clist));
if (row < 0 || row >= clist->rows)
return;
if (column < 0 || column >= clist->columns)
return;
clist_row = ROW_ELEMENT (clist, row)->data;
/* if text is null, then the cell is empty */
GTK_CLIST_GET_CLASS (clist)->set_cell_contents
(clist, clist_row, column, GTK_CELL_TEXT, text, 0, NULL, NULL);
/* redraw the list if it's not frozen */
if (CLIST_UNFROZEN (clist))
{
if (gtk_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE)
GTK_CLIST_GET_CLASS (clist)->draw_row (clist, NULL, row, clist_row);
}
}
gint
gtk_clist_get_text (GtkCList *clist,
gint row,
gint column,
gchar **text)
{
GtkCListRow *clist_row;
g_return_val_if_fail (GTK_IS_CLIST (clist), 0);
if (row < 0 || row >= clist->rows)
return 0;
if (column < 0 || column >= clist->columns)
return 0;
clist_row = ROW_ELEMENT (clist, row)->data;
if (clist_row->cell[column].type != GTK_CELL_TEXT)
return 0;
if (text)
*text = GTK_CELL_TEXT (clist_row->cell[column])->text;
return 1;
}
void
gtk_clist_set_pixmap (GtkCList *clist,
gint row,
gint column,
GdkPixmap *pixmap,
GdkBitmap *mask)
{
GtkCListRow *clist_row;
g_return_if_fail (GTK_IS_CLIST (clist));
if (row < 0 || row >= clist->rows)
return;
if (column < 0 || column >= clist->columns)
return;
clist_row = ROW_ELEMENT (clist, row)->data;
gdk_pixmap_ref (pixmap);
if (mask) gdk_pixmap_ref (mask);
GTK_CLIST_GET_CLASS (clist)->set_cell_contents
(clist, clist_row, column, GTK_CELL_PIXMAP, NULL, 0, pixmap, mask);
/* redraw the list if it's not frozen */
if (CLIST_UNFROZEN (clist))
{
if (gtk_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE)
GTK_CLIST_GET_CLASS (clist)->draw_row (clist, NULL, row, clist_row);
}
}
gint
gtk_clist_get_pixmap (GtkCList *clist,
gint row,
gint column,
GdkPixmap **pixmap,
GdkBitmap **mask)
{
GtkCListRow *clist_row;
g_return_val_if_fail (GTK_IS_CLIST (clist), 0);
if (row < 0 || row >= clist->rows)
return 0;
if (column < 0 || column >= clist->columns)
return 0;
clist_row = ROW_ELEMENT (clist, row)->data;
if (clist_row->cell[column].type != GTK_CELL_PIXMAP)
return 0;
if (pixmap)
{
*pixmap = GTK_CELL_PIXMAP (clist_row->cell[column])->pixmap;
/* mask can be NULL */
*mask = GTK_CELL_PIXMAP (clist_row->cell[column])->mask;
}
return 1;
}
void
gtk_clist_set_pixtext (GtkCList *clist,
gint row,
gint column,
const gchar *text,
guint8 spacing,
GdkPixmap *pixmap,
GdkBitmap *mask)
{
GtkCListRow *clist_row;
g_return_if_fail (GTK_IS_CLIST (clist));
if (row < 0 || row >= clist->rows)
return;
if (column < 0 || column >= clist->columns)
return;
clist_row = ROW_ELEMENT (clist, row)->data;
gdk_pixmap_ref (pixmap);
if (mask) gdk_pixmap_ref (mask);
GTK_CLIST_GET_CLASS (clist)->set_cell_contents
(clist, clist_row, column, GTK_CELL_PIXTEXT, text, spacing, pixmap, mask);
/* redraw the list if it's not frozen */
if (CLIST_UNFROZEN (clist))
{
if (gtk_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE)
GTK_CLIST_GET_CLASS (clist)->draw_row (clist, NULL, row, clist_row);
}
}
gint
gtk_clist_get_pixtext (GtkCList *clist,
gint row,
gint column,
gchar **text,
guint8 *spacing,
GdkPixmap **pixmap,
GdkBitmap **mask)
{
GtkCListRow *clist_row;
g_return_val_if_fail (GTK_IS_CLIST (clist), 0);
if (row < 0 || row >= clist->rows)
return 0;
if (column < 0 || column >= clist->columns)
return 0;
clist_row = ROW_ELEMENT (clist, row)->data;
if (clist_row->cell[column].type != GTK_CELL_PIXTEXT)
return 0;
if (text)
*text = GTK_CELL_PIXTEXT (clist_row->cell[column])->text;
if (spacing)
*spacing = GTK_CELL_PIXTEXT (clist_row->cell[column])->spacing;
if (pixmap)
*pixmap = GTK_CELL_PIXTEXT (clist_row->cell[column])->pixmap;
/* mask can be NULL */
if (mask)
*mask = GTK_CELL_PIXTEXT (clist_row->cell[column])->mask;
return 1;
}
void
gtk_clist_set_shift (GtkCList *clist,
gint row,
gint column,
gint vertical,
gint horizontal)
{
GtkRequisition requisition = { 0 };
GtkCListRow *clist_row;
g_return_if_fail (GTK_IS_CLIST (clist));
if (row < 0 || row >= clist->rows)
return;
if (column < 0 || column >= clist->columns)
return;
clist_row = ROW_ELEMENT (clist, row)->data;
if (clist->column[column].auto_resize &&
!GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
GTK_CLIST_GET_CLASS (clist)->cell_size_request (clist, clist_row,
column, &requisition);
clist_row->cell[column].vertical = vertical;
clist_row->cell[column].horizontal = horizontal;
column_auto_resize (clist, clist_row, column, requisition.width);
if (CLIST_UNFROZEN (clist) && gtk_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE)
GTK_CLIST_GET_CLASS (clist)->draw_row (clist, NULL, row, clist_row);
}
/* PRIVATE CELL FUNCTIONS
* set_cell_contents
* cell_size_request
*/
static void
set_cell_contents (GtkCList *clist,
GtkCListRow *clist_row,
gint column,
GtkCellType type,
const gchar *text,
guint8 spacing,
GdkPixmap *pixmap,
GdkBitmap *mask)
{
GtkRequisition requisition;
gchar *old_text = NULL;
GdkPixmap *old_pixmap = NULL;
GdkBitmap *old_mask = NULL;
g_return_if_fail (GTK_IS_CLIST (clist));
g_return_if_fail (clist_row != NULL);
if (clist->column[column].auto_resize &&
!GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
GTK_CLIST_GET_CLASS (clist)->cell_size_request (clist, clist_row,
column, &requisition);
switch (clist_row->cell[column].type)
{
case GTK_CELL_EMPTY:
break;
case GTK_CELL_TEXT:
old_text = GTK_CELL_TEXT (clist_row->cell[column])->text;
break;
case GTK_CELL_PIXMAP:
old_pixmap = GTK_CELL_PIXMAP (clist_row->cell[column])->pixmap;
old_mask = GTK_CELL_PIXMAP (clist_row->cell[column])->mask;
break;
case GTK_CELL_PIXTEXT:
old_text = GTK_CELL_PIXTEXT (clist_row->cell[column])->text;
old_pixmap = GTK_CELL_PIXTEXT (clist_row->cell[column])->pixmap;
old_mask = GTK_CELL_PIXTEXT (clist_row->cell[column])->mask;
break;
case GTK_CELL_WIDGET:
/* unimplemented */
break;
default:
break;
}
clist_row->cell[column].type = GTK_CELL_EMPTY;
/* Note that pixmap and mask were already ref'ed by the caller
*/
switch (type)
{
case GTK_CELL_TEXT:
if (text)
{
clist_row->cell[column].type = GTK_CELL_TEXT;
GTK_CELL_TEXT (clist_row->cell[column])->text = g_strdup (text);
}
break;
case GTK_CELL_PIXMAP:
if (pixmap)
{
clist_row->cell[column].type = GTK_CELL_PIXMAP;
GTK_CELL_PIXMAP (clist_row->cell[column])->pixmap = pixmap;
/* We set the mask even if it is NULL */
GTK_CELL_PIXMAP (clist_row->cell[column])->mask = mask;
}
break;
case GTK_CELL_PIXTEXT:
if (text && pixmap)
{
clist_row->cell[column].type = GTK_CELL_PIXTEXT;
GTK_CELL_PIXTEXT (clist_row->cell[column])->text = g_strdup (text);
GTK_CELL_PIXTEXT (clist_row->cell[column])->spacing = spacing;
GTK_CELL_PIXTEXT (clist_row->cell[column])->pixmap = pixmap;
GTK_CELL_PIXTEXT (clist_row->cell[column])->mask = mask;
}
break;
default:
break;
}
if (clist->column[column].auto_resize &&
!GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
column_auto_resize (clist, clist_row, column, requisition.width);
g_free (old_text);
if (old_pixmap)
gdk_pixmap_unref (old_pixmap);
if (old_mask)
gdk_pixmap_unref (old_mask);
}
PangoLayout *
_gtk_clist_create_cell_layout (GtkCList *clist,
GtkCListRow *clist_row,
gint column)
{
PangoLayout *layout;
GtkStyle *style;
GtkCell *cell;
gchar *text;
get_cell_style (clist, clist_row, GTK_STATE_NORMAL, column, &style,
NULL, NULL);
cell = &clist_row->cell[column];
switch (cell->type)
{
case GTK_CELL_TEXT:
case GTK_CELL_PIXTEXT:
text = ((cell->type == GTK_CELL_PIXTEXT) ?
GTK_CELL_PIXTEXT (*cell)->text :
GTK_CELL_TEXT (*cell)->text);
if (!text)
return NULL;
layout = gtk_widget_create_pango_layout (GTK_WIDGET (clist),
((cell->type == GTK_CELL_PIXTEXT) ?
GTK_CELL_PIXTEXT (*cell)->text :
GTK_CELL_TEXT (*cell)->text));
pango_layout_set_font_description (layout, style->font_desc);
return layout;
default:
return NULL;
}
}
static void
cell_size_request (GtkCList *clist,
GtkCListRow *clist_row,
gint column,
GtkRequisition *requisition)
{
gint width;
gint height;
PangoLayout *layout;
PangoRectangle logical_rect;
g_return_if_fail (GTK_IS_CLIST (clist));
g_return_if_fail (requisition != NULL);
layout = _gtk_clist_create_cell_layout (clist, clist_row, column);
if (layout)
{
pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
requisition->width = logical_rect.width;
requisition->height = logical_rect.height;
g_object_unref (G_OBJECT (layout));
}
else
{
requisition->width = 0;
requisition->height = 0;
}
if (layout && clist_row->cell[column].type == GTK_CELL_PIXTEXT)
requisition->width += GTK_CELL_PIXTEXT (clist_row->cell[column])->spacing;
switch (clist_row->cell[column].type)
{
case GTK_CELL_PIXTEXT:
gdk_window_get_size (GTK_CELL_PIXTEXT (clist_row->cell[column])->pixmap,
&width, &height);
requisition->width += width;
requisition->height = MAX (requisition->height, height);
break;
case GTK_CELL_PIXMAP:
gdk_window_get_size (GTK_CELL_PIXMAP (clist_row->cell[column])->pixmap,
&width, &height);
requisition->width += width;
requisition->height = MAX (requisition->height, height);
break;
default:
break;
}
requisition->width += clist_row->cell[column].horizontal;
requisition->height += clist_row->cell[column].vertical;
}
/* PUBLIC INSERT/REMOVE ROW FUNCTIONS
* gtk_clist_prepend
* gtk_clist_append
* gtk_clist_insert
* gtk_clist_remove
* gtk_clist_clear
*/
gint
gtk_clist_prepend (GtkCList *clist,
gchar *text[])
{
g_return_val_if_fail (GTK_IS_CLIST (clist), -1);
g_return_val_if_fail (text != NULL, -1);
return GTK_CLIST_GET_CLASS (clist)->insert_row (clist, 0, text);
}
gint
gtk_clist_append (GtkCList *clist,
gchar *text[])
{
g_return_val_if_fail (GTK_IS_CLIST (clist), -1);
g_return_val_if_fail (text != NULL, -1);
return GTK_CLIST_GET_CLASS (clist)->insert_row (clist, clist->rows, text);
}
gint
gtk_clist_insert (GtkCList *clist,
gint row,
gchar *text[])
{
g_return_val_if_fail (GTK_IS_CLIST (clist), -1);
g_return_val_if_fail (text != NULL, -1);
if (row < 0 || row > clist->rows)
row = clist->rows;
return GTK_CLIST_GET_CLASS (clist)->insert_row (clist, row, text);
}
void
gtk_clist_remove (GtkCList *clist,
gint row)
{
GTK_CLIST_GET_CLASS (clist)->remove_row (clist, row);
}
void
gtk_clist_clear (GtkCList *clist)
{
g_return_if_fail (GTK_IS_CLIST (clist));
GTK_CLIST_GET_CLASS (clist)->clear (clist);
}
/* PRIVATE INSERT/REMOVE ROW FUNCTIONS
* real_insert_row
* real_remove_row
* real_clear
* real_row_move
*/
static gint
real_insert_row (GtkCList *clist,
gint row,
gchar *text[])
{
gint i;
GtkCListRow *clist_row;
g_return_val_if_fail (GTK_IS_CLIST (clist), -1);
g_return_val_if_fail (text != NULL, -1);
/* return if out of bounds */
if (row < 0 || row > clist->rows)
return -1;
/* create the row */
clist_row = row_new (clist);
/* set the text in the row's columns */
for (i = 0; i < clist->columns; i++)
if (text[i])
GTK_CLIST_GET_CLASS (clist)->set_cell_contents
(clist, clist_row, i, GTK_CELL_TEXT, text[i], 0, NULL ,NULL);
if (!clist->rows)
{
clist->row_list = g_list_append (clist->row_list, clist_row);
clist->row_list_end = clist->row_list;
}
else
{
if (GTK_CLIST_AUTO_SORT(clist)) /* override insertion pos */
{
GList *work;
row = 0;
work = clist->row_list;
if (clist->sort_type == GTK_SORT_ASCENDING)
{
while (row < clist->rows &&
clist->compare (clist, clist_row,
GTK_CLIST_ROW (work)) > 0)
{
row++;
work = work->next;
}
}
else
{
while (row < clist->rows &&
clist->compare (clist, clist_row,
GTK_CLIST_ROW (work)) < 0)
{
row++;
work = work->next;
}
}
}
/* reset the row end pointer if we're inserting at the end of the list */
if (row == clist->rows)
clist->row_list_end = (g_list_append (clist->row_list_end,
clist_row))->next;
else
clist->row_list = g_list_insert (clist->row_list, clist_row, row);
}
clist->rows++;
if (row < ROW_FROM_YPIXEL (clist, 0))
clist->voffset -= (clist->row_height + CELL_SPACING);
/* syncronize the selection list */
sync_selection (clist, row, SYNC_INSERT);
if (clist->rows == 1)
{
clist->focus_row = 0;
if (clist->selection_mode == GTK_SELECTION_BROWSE)
gtk_clist_select_row (clist, 0, -1);
}
/* redraw the list if it isn't frozen */
if (CLIST_UNFROZEN (clist))
{
adjust_adjustments (clist, FALSE);
if (gtk_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE)
draw_rows (clist, NULL);
}
return row;
}
static void
real_remove_row (GtkCList *clist,
gint row)
{
gint was_visible;
GList *list;
GtkCListRow *clist_row;
g_return_if_fail (GTK_IS_CLIST (clist));
/* return if out of bounds */
if (row < 0 || row > (clist->rows - 1))
return;
was_visible = (gtk_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE);
/* get the row we're going to delete */
list = ROW_ELEMENT (clist, row);
g_assert (list != NULL);
clist_row = list->data;
/* if we're removing a selected row, we have to make sure
* it's properly unselected, and then sync up the clist->selected
* list to reflect the deincrimented indexies of rows after the
* removal */
if (clist_row->state == GTK_STATE_SELECTED)
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[UNSELECT_ROW],
row, -1, NULL);
sync_selection (clist, row, SYNC_REMOVE);
/* reset the row end pointer if we're removing at the end of the list */
clist->rows--;
if (clist->row_list == list)
clist->row_list = g_list_next (list);
if (clist->row_list_end == list)
clist->row_list_end = g_list_previous (list);
g_list_remove (list, clist_row);
if (row < ROW_FROM_YPIXEL (clist, 0))
clist->voffset += clist->row_height + CELL_SPACING;
if (clist->selection_mode == GTK_SELECTION_BROWSE && !clist->selection &&
clist->focus_row >= 0)
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW],
clist->focus_row, -1, NULL);
/* toast the row */
row_delete (clist, clist_row);
/* redraw the row if it isn't frozen */
if (CLIST_UNFROZEN (clist))
{
adjust_adjustments (clist, FALSE);
if (was_visible)
draw_rows (clist, NULL);
}
}
static void
real_clear (GtkCList *clist)
{
GList *list;
GList *free_list;
gint i;
g_return_if_fail (GTK_IS_CLIST (clist));
/* free up the selection list */
g_list_free (clist->selection);
g_list_free (clist->undo_selection);
g_list_free (clist->undo_unselection);
clist->selection = NULL;
clist->selection_end = NULL;
clist->undo_selection = NULL;
clist->undo_unselection = NULL;
clist->voffset = 0;
clist->focus_row = -1;
clist->anchor = -1;
clist->undo_anchor = -1;
clist->anchor_state = GTK_STATE_SELECTED;
clist->drag_pos = -1;
/* remove all the rows */
GTK_CLIST_SET_FLAG (clist, CLIST_AUTO_RESIZE_BLOCKED);
free_list = clist->row_list;
clist->row_list = NULL;
clist->row_list_end = NULL;
clist->rows = 0;
for (list = free_list; list; list = list->next)
row_delete (clist, GTK_CLIST_ROW (list));
g_list_free (free_list);
GTK_CLIST_UNSET_FLAG (clist, CLIST_AUTO_RESIZE_BLOCKED);
for (i = 0; i < clist->columns; i++)
if (clist->column[i].auto_resize)
{
if (GTK_CLIST_SHOW_TITLES(clist) && clist->column[i].button)
gtk_clist_set_column_width
(clist, i, (clist->column[i].button->requisition.width -
(CELL_SPACING + (2 * COLUMN_INSET))));
else
gtk_clist_set_column_width (clist, i, 0);
}
/* zero-out the scrollbars */
if (clist->vadjustment)
{
gtk_adjustment_set_value (clist->vadjustment, 0.0);
CLIST_REFRESH (clist);
}
else
gtk_widget_queue_resize (GTK_WIDGET (clist));
}
static void
real_row_move (GtkCList *clist,
gint source_row,
gint dest_row)
{
GtkCListRow *clist_row;
GList *list;
gint first, last;
gint d;
g_return_if_fail (GTK_IS_CLIST (clist));
if (GTK_CLIST_AUTO_SORT(clist))
return;
if (source_row < 0 || source_row >= clist->rows ||
dest_row < 0 || dest_row >= clist->rows ||
source_row == dest_row)
return;
gtk_clist_freeze (clist);
/* unlink source row */
clist_row = ROW_ELEMENT (clist, source_row)->data;
if (source_row == clist->rows - 1)
clist->row_list_end = clist->row_list_end->prev;
clist->row_list = g_list_remove (clist->row_list, clist_row);
clist->rows--;
/* relink source row */
clist->row_list = g_list_insert (clist->row_list, clist_row, dest_row);
if (dest_row == clist->rows)
clist->row_list_end = clist->row_list_end->next;
clist->rows++;
/* sync selection */
if (source_row > dest_row)
{
first = dest_row;
last = source_row;
d = 1;
}
else
{
first = source_row;
last = dest_row;
d = -1;
}
for (list = clist->selection; list; list = list->next)
{
if (list->data == GINT_TO_POINTER (source_row))
list->data = GINT_TO_POINTER (dest_row);
else if (first <= GPOINTER_TO_INT (list->data) &&
last >= GPOINTER_TO_INT (list->data))
list->data = GINT_TO_POINTER (GPOINTER_TO_INT (list->data) + d);
}
if (clist->focus_row == source_row)
clist->focus_row = dest_row;
else if (clist->focus_row > first)
clist->focus_row += d;
gtk_clist_thaw (clist);
}
/* PUBLIC ROW FUNCTIONS
* gtk_clist_moveto
* gtk_clist_set_row_height
* gtk_clist_set_row_data
* gtk_clist_set_row_data_full
* gtk_clist_get_row_data
* gtk_clist_find_row_from_data
* gtk_clist_swap_rows
* gtk_clist_row_move
* gtk_clist_row_is_visible
* gtk_clist_set_foreground
* gtk_clist_set_background
*/
void
gtk_clist_moveto (GtkCList *clist,
gint row,
gint column,
gfloat row_align,
gfloat col_align)
{
g_return_if_fail (GTK_IS_CLIST (clist));
if (row < -1 || row >= clist->rows)
return;
if (column < -1 || column >= clist->columns)
return;
row_align = CLAMP (row_align, 0, 1);
col_align = CLAMP (col_align, 0, 1);
/* adjust horizontal scrollbar */
if (clist->hadjustment && column >= 0)
{
gint x;
x = (COLUMN_LEFT (clist, column) - CELL_SPACING - COLUMN_INSET -
(col_align * (clist->clist_window_width - 2 * COLUMN_INSET -
CELL_SPACING - clist->column[column].area.width)));
if (x < 0)
gtk_adjustment_set_value (clist->hadjustment, 0.0);
else if (x > LIST_WIDTH (clist) - clist->clist_window_width)
gtk_adjustment_set_value
(clist->hadjustment, LIST_WIDTH (clist) - clist->clist_window_width);
else
gtk_adjustment_set_value (clist->hadjustment, x);
}
/* adjust vertical scrollbar */
if (clist->vadjustment && row >= 0)
move_vertical (clist, row, row_align);
}
void
gtk_clist_set_row_height (GtkCList *clist,
guint height)
{
GtkWidget *widget;
g_return_if_fail (GTK_IS_CLIST (clist));
widget = GTK_WIDGET (clist);
if (height > 0)
{
clist->row_height = height;
GTK_CLIST_SET_FLAG (clist, CLIST_ROW_HEIGHT_SET);
}
else
{
GTK_CLIST_UNSET_FLAG (clist, CLIST_ROW_HEIGHT_SET);
clist->row_height = 0;
}
if (widget->style->font_desc)
{
PangoContext *context = gtk_widget_get_pango_context (widget);
PangoFontMetrics *metrics;
metrics = pango_context_get_metrics (context,
widget->style->font_desc,
pango_context_get_language (context));
if (!GTK_CLIST_ROW_HEIGHT_SET(clist))
{
clist->row_height = (pango_font_metrics_get_ascent (metrics) +
pango_font_metrics_get_descent (metrics));
clist->row_height = PANGO_PIXELS (clist->row_height);
}
pango_font_metrics_unref (metrics);
}
CLIST_REFRESH (clist);
}
void
gtk_clist_set_row_data (GtkCList *clist,
gint row,
gpointer data)
{
gtk_clist_set_row_data_full (clist, row, data, NULL);
}
void
gtk_clist_set_row_data_full (GtkCList *clist,
gint row,
gpointer data,
GtkDestroyNotify destroy)
{
GtkCListRow *clist_row;
g_return_if_fail (GTK_IS_CLIST (clist));
if (row < 0 || row > (clist->rows - 1))
return;
clist_row = ROW_ELEMENT (clist, row)->data;
if (clist_row->destroy)
clist_row->destroy (clist_row->data);
clist_row->data = data;
clist_row->destroy = destroy;
}
gpointer
gtk_clist_get_row_data (GtkCList *clist,
gint row)
{
GtkCListRow *clist_row;
g_return_val_if_fail (GTK_IS_CLIST (clist), NULL);
if (row < 0 || row > (clist->rows - 1))
return NULL;
clist_row = ROW_ELEMENT (clist, row)->data;
return clist_row->data;
}
gint
gtk_clist_find_row_from_data (GtkCList *clist,
gpointer data)
{
GList *list;
gint n;
g_return_val_if_fail (GTK_IS_CLIST (clist), -1);
for (n = 0, list = clist->row_list; list; n++, list = list->next)
if (GTK_CLIST_ROW (list)->data == data)
return n;
return -1;
}
void
gtk_clist_swap_rows (GtkCList *clist,
gint row1,
gint row2)
{
gint first, last;
g_return_if_fail (GTK_IS_CLIST (clist));
g_return_if_fail (row1 != row2);
if (GTK_CLIST_AUTO_SORT(clist))
return;
gtk_clist_freeze (clist);
first = MIN (row1, row2);
last = MAX (row1, row2);
gtk_clist_row_move (clist, last, first);
gtk_clist_row_move (clist, first + 1, last);
gtk_clist_thaw (clist);
}
void
gtk_clist_row_move (GtkCList *clist,
gint source_row,
gint dest_row)
{
g_return_if_fail (GTK_IS_CLIST (clist));
if (GTK_CLIST_AUTO_SORT(clist))
return;
if (source_row < 0 || source_row >= clist->rows ||
dest_row < 0 || dest_row >= clist->rows ||
source_row == dest_row)
return;
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[ROW_MOVE],
source_row, dest_row);
}
GtkVisibility
gtk_clist_row_is_visible (GtkCList *clist,
gint row)
{
gint top;
g_return_val_if_fail (GTK_IS_CLIST (clist), 0);
if (row < 0 || row >= clist->rows)
return GTK_VISIBILITY_NONE;
if (clist->row_height == 0)
return GTK_VISIBILITY_NONE;
if (row < ROW_FROM_YPIXEL (clist, 0))
return GTK_VISIBILITY_NONE;
if (row > ROW_FROM_YPIXEL (clist, clist->clist_window_height))
return GTK_VISIBILITY_NONE;
top = ROW_TOP_YPIXEL (clist, row);
if ((top < 0)
|| ((top + clist->row_height) >= clist->clist_window_height))
return GTK_VISIBILITY_PARTIAL;
return GTK_VISIBILITY_FULL;
}
void
gtk_clist_set_foreground (GtkCList *clist,
gint row,
const GdkColor *color)
{
GtkCListRow *clist_row;
g_return_if_fail (GTK_IS_CLIST (clist));
if (row < 0 || row >= clist->rows)
return;
clist_row = ROW_ELEMENT (clist, row)->data;
if (color)
{
clist_row->foreground = *color;
clist_row->fg_set = TRUE;
if (GTK_WIDGET_REALIZED (clist))
gdk_color_alloc (gtk_widget_get_colormap (GTK_WIDGET (clist)),
&clist_row->foreground);
}
else
clist_row->fg_set = FALSE;
if (CLIST_UNFROZEN (clist) && gtk_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE)
GTK_CLIST_GET_CLASS (clist)->draw_row (clist, NULL, row, clist_row);
}
void
gtk_clist_set_background (GtkCList *clist,
gint row,
const GdkColor *color)
{
GtkCListRow *clist_row;
g_return_if_fail (GTK_IS_CLIST (clist));
if (row < 0 || row >= clist->rows)
return;
clist_row = ROW_ELEMENT (clist, row)->data;
if (color)
{
clist_row->background = *color;
clist_row->bg_set = TRUE;
if (GTK_WIDGET_REALIZED (clist))
gdk_color_alloc (gtk_widget_get_colormap (GTK_WIDGET (clist)),
&clist_row->background);
}
else
clist_row->bg_set = FALSE;
if (CLIST_UNFROZEN (clist)
&& (gtk_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE))
GTK_CLIST_GET_CLASS (clist)->draw_row (clist, NULL, row, clist_row);
}
/* PUBLIC ROW/CELL STYLE FUNCTIONS
* gtk_clist_set_cell_style
* gtk_clist_get_cell_style
* gtk_clist_set_row_style
* gtk_clist_get_row_style
*/
void
gtk_clist_set_cell_style (GtkCList *clist,
gint row,
gint column,
GtkStyle *style)
{
GtkRequisition requisition = { 0 };
GtkCListRow *clist_row;
g_return_if_fail (GTK_IS_CLIST (clist));
if (row < 0 || row >= clist->rows)
return;
if (column < 0 || column >= clist->columns)
return;
clist_row = ROW_ELEMENT (clist, row)->data;
if (clist_row->cell[column].style == style)
return;
if (clist->column[column].auto_resize &&
!GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
GTK_CLIST_GET_CLASS (clist)->cell_size_request (clist, clist_row,
column, &requisition);
if (clist_row->cell[column].style)
{
if (GTK_WIDGET_REALIZED (clist))
gtk_style_detach (clist_row->cell[column].style);
g_object_unref (clist_row->cell[column].style);
}
clist_row->cell[column].style = style;
if (clist_row->cell[column].style)
{
g_object_ref (clist_row->cell[column].style);
if (GTK_WIDGET_REALIZED (clist))
clist_row->cell[column].style =
gtk_style_attach (clist_row->cell[column].style,
clist->clist_window);
}
column_auto_resize (clist, clist_row, column, requisition.width);
/* redraw the list if it's not frozen */
if (CLIST_UNFROZEN (clist))
{
if (gtk_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE)
GTK_CLIST_GET_CLASS (clist)->draw_row (clist, NULL, row, clist_row);
}
}
GtkStyle *
gtk_clist_get_cell_style (GtkCList *clist,
gint row,
gint column)
{
GtkCListRow *clist_row;
g_return_val_if_fail (GTK_IS_CLIST (clist), NULL);
if (row < 0 || row >= clist->rows || column < 0 || column >= clist->columns)
return NULL;
clist_row = ROW_ELEMENT (clist, row)->data;
return clist_row->cell[column].style;
}
void
gtk_clist_set_row_style (GtkCList *clist,
gint row,
GtkStyle *style)
{
GtkRequisition requisition;
GtkCListRow *clist_row;
gint *old_width;
gint i;
g_return_if_fail (GTK_IS_CLIST (clist));
if (row < 0 || row >= clist->rows)
return;
clist_row = ROW_ELEMENT (clist, row)->data;
if (clist_row->style == style)
return;
old_width = g_new (gint, clist->columns);
if (!GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
{
for (i = 0; i < clist->columns; i++)
if (clist->column[i].auto_resize)
{
GTK_CLIST_GET_CLASS (clist)->cell_size_request (clist, clist_row,
i, &requisition);
old_width[i] = requisition.width;
}
}
if (clist_row->style)
{
if (GTK_WIDGET_REALIZED (clist))
gtk_style_detach (clist_row->style);
g_object_unref (clist_row->style);
}
clist_row->style = style;
if (clist_row->style)
{
g_object_ref (clist_row->style);
if (GTK_WIDGET_REALIZED (clist))
clist_row->style = gtk_style_attach (clist_row->style,
clist->clist_window);
}
if (GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
for (i = 0; i < clist->columns; i++)
column_auto_resize (clist, clist_row, i, old_width[i]);
g_free (old_width);
/* redraw the list if it's not frozen */
if (CLIST_UNFROZEN (clist))
{
if (gtk_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE)
GTK_CLIST_GET_CLASS (clist)->draw_row (clist, NULL, row, clist_row);
}
}
GtkStyle *
gtk_clist_get_row_style (GtkCList *clist,
gint row)
{
GtkCListRow *clist_row;
g_return_val_if_fail (GTK_IS_CLIST (clist), NULL);
if (row < 0 || row >= clist->rows)
return NULL;
clist_row = ROW_ELEMENT (clist, row)->data;
return clist_row->style;
}
/* PUBLIC SELECTION FUNCTIONS
* gtk_clist_set_selectable
* gtk_clist_get_selectable
* gtk_clist_select_row
* gtk_clist_unselect_row
* gtk_clist_select_all
* gtk_clist_unselect_all
* gtk_clist_undo_selection
*/
void
gtk_clist_set_selectable (GtkCList *clist,
gint row,
gboolean selectable)
{
GtkCListRow *clist_row;
g_return_if_fail (GTK_IS_CLIST (clist));
if (row < 0 || row >= clist->rows)
return;
clist_row = ROW_ELEMENT (clist, row)->data;
if (selectable == clist_row->selectable)
return;
clist_row->selectable = selectable;
if (!selectable && clist_row->state == GTK_STATE_SELECTED)
{
if (clist->anchor >= 0 &&
clist->selection_mode == GTK_SELECTION_MULTIPLE)
{
clist->drag_button = 0;
remove_grab (clist);
GTK_CLIST_GET_CLASS (clist)->resync_selection (clist, NULL);
}
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[UNSELECT_ROW],
row, -1, NULL);
}
}
gboolean
gtk_clist_get_selectable (GtkCList *clist,
gint row)
{
g_return_val_if_fail (GTK_IS_CLIST (clist), FALSE);
if (row < 0 || row >= clist->rows)
return FALSE;
return GTK_CLIST_ROW (ROW_ELEMENT (clist, row))->selectable;
}
void
gtk_clist_select_row (GtkCList *clist,
gint row,
gint column)
{
g_return_if_fail (GTK_IS_CLIST (clist));
if (row < 0 || row >= clist->rows)
return;
if (column < -1 || column >= clist->columns)
return;
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW],
row, column, NULL);
}
void
gtk_clist_unselect_row (GtkCList *clist,
gint row,
gint column)
{
g_return_if_fail (GTK_IS_CLIST (clist));
if (row < 0 || row >= clist->rows)
return;
if (column < -1 || column >= clist->columns)
return;
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[UNSELECT_ROW],
row, column, NULL);
}
void
gtk_clist_select_all (GtkCList *clist)
{
g_return_if_fail (GTK_IS_CLIST (clist));
GTK_CLIST_GET_CLASS (clist)->select_all (clist);
}
void
gtk_clist_unselect_all (GtkCList *clist)
{
g_return_if_fail (GTK_IS_CLIST (clist));
GTK_CLIST_GET_CLASS (clist)->unselect_all (clist);
}
void
gtk_clist_undo_selection (GtkCList *clist)
{
g_return_if_fail (GTK_IS_CLIST (clist));
if (clist->selection_mode == GTK_SELECTION_MULTIPLE &&
(clist->undo_selection || clist->undo_unselection))
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[UNDO_SELECTION]);
}
/* PRIVATE SELECTION FUNCTIONS
* selection_find
* toggle_row
* fake_toggle_row
* toggle_focus_row
* toggle_add_mode
* real_select_row
* real_unselect_row
* real_select_all
* real_unselect_all
* fake_unselect_all
* real_undo_selection
* set_anchor
* resync_selection
* update_extended_selection
* start_selection
* end_selection
* extend_selection
* sync_selection
*/
static GList *
selection_find (GtkCList *clist,
gint row_number,
GList *row_list_element)
{
return g_list_find (clist->selection, GINT_TO_POINTER (row_number));
}
static void
toggle_row (GtkCList *clist,
gint row,
gint column,
GdkEvent *event)
{
GtkCListRow *clist_row;
switch (clist->selection_mode)
{
case GTK_SELECTION_MULTIPLE:
case GTK_SELECTION_SINGLE:
clist_row = ROW_ELEMENT (clist, row)->data;
if (!clist_row)
return;
if (clist_row->state == GTK_STATE_SELECTED)
{
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[UNSELECT_ROW],
row, column, event);
return;
}
case GTK_SELECTION_BROWSE:
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW],
row, column, event);
break;
default:
g_assert_not_reached ();
}
}
static void
fake_toggle_row (GtkCList *clist,
gint row)
{
GList *work;
work = ROW_ELEMENT (clist, row);
if (!work || !GTK_CLIST_ROW (work)->selectable)
return;
if (GTK_CLIST_ROW (work)->state == GTK_STATE_NORMAL)
clist->anchor_state = GTK_CLIST_ROW (work)->state = GTK_STATE_SELECTED;
else
clist->anchor_state = GTK_CLIST_ROW (work)->state = GTK_STATE_NORMAL;
if (CLIST_UNFROZEN (clist) &&
gtk_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE)
GTK_CLIST_GET_CLASS (clist)->draw_row (clist, NULL, row,
GTK_CLIST_ROW (work));
}
static gboolean
clist_has_grab (GtkCList *clist)
{
return (GTK_WIDGET_HAS_GRAB (clist) &&
gdk_display_pointer_is_grabbed (gtk_widget_get_display (GTK_WIDGET (clist))));
}
static void
toggle_focus_row (GtkCList *clist)
{
g_return_if_fail (clist != 0);
g_return_if_fail (GTK_IS_CLIST (clist));
if (clist_has_grab (clist) ||
clist->focus_row < 0 || clist->focus_row >= clist->rows)
return;
switch (clist->selection_mode)
{
case GTK_SELECTION_SINGLE:
toggle_row (clist, clist->focus_row, 0, NULL);
break;
case GTK_SELECTION_MULTIPLE:
g_list_free (clist->undo_selection);
g_list_free (clist->undo_unselection);
clist->undo_selection = NULL;
clist->undo_unselection = NULL;
clist->anchor = clist->focus_row;
clist->drag_pos = clist->focus_row;
clist->undo_anchor = clist->focus_row;
if (GTK_CLIST_ADD_MODE(clist))
fake_toggle_row (clist, clist->focus_row);
else
GTK_CLIST_GET_CLASS (clist)->fake_unselect_all (clist,clist->focus_row);
GTK_CLIST_GET_CLASS (clist)->resync_selection (clist, NULL);
break;
default:
break;
}
}
static void
toggle_add_mode (GtkCList *clist)
{
g_return_if_fail (clist != 0);
g_return_if_fail (GTK_IS_CLIST (clist));
if (clist_has_grab (clist) ||
clist->selection_mode != GTK_SELECTION_MULTIPLE)
return;
gtk_clist_draw_focus (GTK_WIDGET (clist));
if (!GTK_CLIST_ADD_MODE(clist))
{
GTK_CLIST_SET_FLAG (clist, CLIST_ADD_MODE);
gdk_gc_set_line_attributes (clist->xor_gc, 1,
GDK_LINE_ON_OFF_DASH, 0, 0);
gdk_gc_set_dashes (clist->xor_gc, 0, "\4\4", 2);
}
else
{
GTK_CLIST_UNSET_FLAG (clist, CLIST_ADD_MODE);
gdk_gc_set_line_attributes (clist->xor_gc, 1, GDK_LINE_SOLID, 0, 0);
clist->anchor_state = GTK_STATE_SELECTED;
}
gtk_clist_draw_focus (GTK_WIDGET (clist));
}
static void
real_select_row (GtkCList *clist,
gint row,
gint column,
GdkEvent *event)
{
GtkCListRow *clist_row;
GList *list;
gint sel_row;
gboolean row_selected;
g_return_if_fail (GTK_IS_CLIST (clist));
if (row < 0 || row > (clist->rows - 1))
return;
switch (clist->selection_mode)
{
case GTK_SELECTION_SINGLE:
case GTK_SELECTION_BROWSE:
row_selected = FALSE;
list = clist->selection;
while (list)
{
sel_row = GPOINTER_TO_INT (list->data);
list = list->next;
if (row == sel_row)
row_selected = TRUE;
else
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[UNSELECT_ROW],
sel_row, column, event);
}
if (row_selected)
return;
default:
break;
}
clist_row = ROW_ELEMENT (clist, row)->data;
if (clist_row->state != GTK_STATE_NORMAL || !clist_row->selectable)
return;
clist_row->state = GTK_STATE_SELECTED;
if (!clist->selection)
{
clist->selection = g_list_append (clist->selection,
GINT_TO_POINTER (row));
clist->selection_end = clist->selection;
}
else
clist->selection_end =
g_list_append (clist->selection_end, GINT_TO_POINTER (row))->next;
if (CLIST_UNFROZEN (clist)
&& (gtk_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE))
GTK_CLIST_GET_CLASS (clist)->draw_row (clist, NULL, row, clist_row);
}
static void
real_unselect_row (GtkCList *clist,
gint row,
gint column,
GdkEvent *event)
{
GtkCListRow *clist_row;
g_return_if_fail (GTK_IS_CLIST (clist));
if (row < 0 || row > (clist->rows - 1))
return;
clist_row = ROW_ELEMENT (clist, row)->data;
if (clist_row->state == GTK_STATE_SELECTED)
{
clist_row->state = GTK_STATE_NORMAL;
if (clist->selection_end &&
clist->selection_end->data == GINT_TO_POINTER (row))
clist->selection_end = clist->selection_end->prev;
clist->selection = g_list_remove (clist->selection,
GINT_TO_POINTER (row));
if (CLIST_UNFROZEN (clist)
&& (gtk_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE))
GTK_CLIST_GET_CLASS (clist)->draw_row (clist, NULL, row, clist_row);
}
}
static void
real_select_all (GtkCList *clist)
{
g_return_if_fail (GTK_IS_CLIST (clist));
if (clist_has_grab (clist))
return;
switch (clist->selection_mode)
{
case GTK_SELECTION_SINGLE:
case GTK_SELECTION_BROWSE:
return;
case GTK_SELECTION_MULTIPLE:
g_list_free (clist->undo_selection);
g_list_free (clist->undo_unselection);
clist->undo_selection = NULL;
clist->undo_unselection = NULL;
if (clist->rows &&
((GtkCListRow *) (clist->row_list->data))->state !=
GTK_STATE_SELECTED)
fake_toggle_row (clist, 0);
clist->anchor_state = GTK_STATE_SELECTED;
clist->anchor = 0;
clist->drag_pos = 0;
clist->undo_anchor = clist->focus_row;
update_extended_selection (clist, clist->rows);
GTK_CLIST_GET_CLASS (clist)->resync_selection (clist, NULL);
return;
default:
g_assert_not_reached ();
}
}
static void
real_unselect_all (GtkCList *clist)
{
GList *list;
gint i;
g_return_if_fail (GTK_IS_CLIST (clist));
if (clist_has_grab (clist))
return;
switch (clist->selection_mode)
{
case GTK_SELECTION_BROWSE:
if (clist->focus_row >= 0)
{
gtk_signal_emit (GTK_OBJECT (clist),
clist_signals[SELECT_ROW],
clist->focus_row, -1, NULL);
return;
}
break;
case GTK_SELECTION_MULTIPLE:
g_list_free (clist->undo_selection);
g_list_free (clist->undo_unselection);
clist->undo_selection = NULL;
clist->undo_unselection = NULL;
clist->anchor = -1;
clist->drag_pos = -1;
clist->undo_anchor = clist->focus_row;
break;
default:
break;
}
list = clist->selection;
while (list)
{
i = GPOINTER_TO_INT (list->data);
list = list->next;
gtk_signal_emit (GTK_OBJECT (clist),
clist_signals[UNSELECT_ROW], i, -1, NULL);
}
}
static void
fake_unselect_all (GtkCList *clist,
gint row)
{
GList *list;
GList *work;
gint i;
if (row >= 0 && (work = ROW_ELEMENT (clist, row)))
{
if (GTK_CLIST_ROW (work)->state == GTK_STATE_NORMAL &&
GTK_CLIST_ROW (work)->selectable)
{
GTK_CLIST_ROW (work)->state = GTK_STATE_SELECTED;
if (CLIST_UNFROZEN (clist) &&
gtk_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE)
GTK_CLIST_GET_CLASS (clist)->draw_row (clist, NULL, row,
GTK_CLIST_ROW (work));
}
}
clist->undo_selection = clist->selection;
clist->selection = NULL;
clist->selection_end = NULL;
for (list = clist->undo_selection; list; list = list->next)
{
if ((i = GPOINTER_TO_INT (list->data)) == row ||
!(work = g_list_nth (clist->row_list, i)))
continue;
GTK_CLIST_ROW (work)->state = GTK_STATE_NORMAL;
if (CLIST_UNFROZEN (clist) &&
gtk_clist_row_is_visible (clist, i) != GTK_VISIBILITY_NONE)
GTK_CLIST_GET_CLASS (clist)->draw_row (clist, NULL, i,
GTK_CLIST_ROW (work));
}
}
static void
real_undo_selection (GtkCList *clist)
{
GList *work;
g_return_if_fail (GTK_IS_CLIST (clist));
if (clist_has_grab (clist) ||
clist->selection_mode != GTK_SELECTION_MULTIPLE)
return;
GTK_CLIST_GET_CLASS (clist)->resync_selection (clist, NULL);
if (!(clist->undo_selection || clist->undo_unselection))
{
gtk_clist_unselect_all (clist);
return;
}
for (work = clist->undo_selection; work; work = work->next)
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW],
GPOINTER_TO_INT (work->data), -1, NULL);
for (work = clist->undo_unselection; work; work = work->next)
{
/* g_print ("unselect %d\n",GPOINTER_TO_INT (work->data)); */
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[UNSELECT_ROW],
GPOINTER_TO_INT (work->data), -1, NULL);
}
if (GTK_WIDGET_HAS_FOCUS(clist) && clist->focus_row != clist->undo_anchor)
{
gtk_clist_draw_focus (GTK_WIDGET (clist));
clist->focus_row = clist->undo_anchor;
gtk_clist_draw_focus (GTK_WIDGET (clist));
}
else
clist->focus_row = clist->undo_anchor;
clist->undo_anchor = -1;
g_list_free (clist->undo_selection);
g_list_free (clist->undo_unselection);
clist->undo_selection = NULL;
clist->undo_unselection = NULL;
if (ROW_TOP_YPIXEL (clist, clist->focus_row) + clist->row_height >
clist->clist_window_height)
gtk_clist_moveto (clist, clist->focus_row, -1, 1, 0);
else if (ROW_TOP_YPIXEL (clist, clist->focus_row) < 0)
gtk_clist_moveto (clist, clist->focus_row, -1, 0, 0);
}
static void
set_anchor (GtkCList *clist,
gboolean add_mode,
gint anchor,
gint undo_anchor)
{
g_return_if_fail (GTK_IS_CLIST (clist));
if (clist->selection_mode != GTK_SELECTION_MULTIPLE || clist->anchor >= 0)
return;
g_list_free (clist->undo_selection);
g_list_free (clist->undo_unselection);
clist->undo_selection = NULL;
clist->undo_unselection = NULL;
if (add_mode)
fake_toggle_row (clist, anchor);
else
{
GTK_CLIST_GET_CLASS (clist)->fake_unselect_all (clist, anchor);
clist->anchor_state = GTK_STATE_SELECTED;
}
clist->anchor = anchor;
clist->drag_pos = anchor;
clist->undo_anchor = undo_anchor;
}
static void
resync_selection (GtkCList *clist,
GdkEvent *event)
{
gint i;
gint e;
gint row;
GList *list;
GtkCListRow *clist_row;
if (clist->selection_mode != GTK_SELECTION_MULTIPLE)
return;
if (clist->anchor < 0 || clist->drag_pos < 0)
return;
gtk_clist_freeze (clist);
i = MIN (clist->anchor, clist->drag_pos);
e = MAX (clist->anchor, clist->drag_pos);
if (clist->undo_selection)
{
list = clist->selection;
clist->selection = clist->undo_selection;
clist->selection_end = g_list_last (clist->selection);
clist->undo_selection = list;
list = clist->selection;
while (list)
{
row = GPOINTER_TO_INT (list->data);
list = list->next;
if (row < i || row > e)
{
clist_row = g_list_nth (clist->row_list, row)->data;
if (clist_row->selectable)
{
clist_row->state = GTK_STATE_SELECTED;
gtk_signal_emit (GTK_OBJECT (clist),
clist_signals[UNSELECT_ROW],
row, -1, event);
clist->undo_selection = g_list_prepend
(clist->undo_selection, GINT_TO_POINTER (row));
}
}
}
}
if (clist->anchor < clist->drag_pos)
{
for (list = g_list_nth (clist->row_list, i); i <= e;
i++, list = list->next)
if (GTK_CLIST_ROW (list)->selectable)
{
if (g_list_find (clist->selection, GINT_TO_POINTER(i)))
{
if (GTK_CLIST_ROW (list)->state == GTK_STATE_NORMAL)
{
GTK_CLIST_ROW (list)->state = GTK_STATE_SELECTED;
gtk_signal_emit (GTK_OBJECT (clist),
clist_signals[UNSELECT_ROW],
i, -1, event);
clist->undo_selection =
g_list_prepend (clist->undo_selection,
GINT_TO_POINTER (i));
}
}
else if (GTK_CLIST_ROW (list)->state == GTK_STATE_SELECTED)
{
GTK_CLIST_ROW (list)->state = GTK_STATE_NORMAL;
clist->undo_unselection =
g_list_prepend (clist->undo_unselection,
GINT_TO_POINTER (i));
}
}
}
else
{
for (list = g_list_nth (clist->row_list, e); i <= e;
e--, list = list->prev)
if (GTK_CLIST_ROW (list)->selectable)
{
if (g_list_find (clist->selection, GINT_TO_POINTER(e)))
{
if (GTK_CLIST_ROW (list)->state == GTK_STATE_NORMAL)
{
GTK_CLIST_ROW (list)->state = GTK_STATE_SELECTED;
gtk_signal_emit (GTK_OBJECT (clist),
clist_signals[UNSELECT_ROW],
e, -1, event);
clist->undo_selection =
g_list_prepend (clist->undo_selection,
GINT_TO_POINTER (e));
}
}
else if (GTK_CLIST_ROW (list)->state == GTK_STATE_SELECTED)
{
GTK_CLIST_ROW (list)->state = GTK_STATE_NORMAL;
clist->undo_unselection =
g_list_prepend (clist->undo_unselection,
GINT_TO_POINTER (e));
}
}
}
clist->undo_unselection = g_list_reverse (clist->undo_unselection);
for (list = clist->undo_unselection; list; list = list->next)
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW],
GPOINTER_TO_INT (list->data), -1, event);
clist->anchor = -1;
clist->drag_pos = -1;
gtk_clist_thaw (clist);
}
static void
update_extended_selection (GtkCList *clist,
gint row)
{
gint i;
GList *list;
GdkRectangle area;
gint s1 = -1;
gint s2 = -1;
gint e1 = -1;
gint e2 = -1;
gint y1 = clist->clist_window_height;
gint y2 = clist->clist_window_height;
gint h1 = 0;
gint h2 = 0;
gint top;
if (clist->selection_mode != GTK_SELECTION_MULTIPLE || clist->anchor == -1)
return;
if (row < 0)
row = 0;
if (row >= clist->rows)
row = clist->rows - 1;
/* extending downwards */
if (row > clist->drag_pos && clist->anchor <= clist->drag_pos)
{
s2 = clist->drag_pos + 1;
e2 = row;
}
/* extending upwards */
else if (row < clist->drag_pos && clist->anchor >= clist->drag_pos)
{
s2 = row;
e2 = clist->drag_pos - 1;
}
else if (row < clist->drag_pos && clist->anchor < clist->drag_pos)
{
e1 = clist->drag_pos;
/* row and drag_pos on different sides of anchor :
take back the selection between anchor and drag_pos,
select between anchor and row */
if (row < clist->anchor)
{
s1 = clist->anchor + 1;
s2 = row;
e2 = clist->anchor - 1;
}
/* take back the selection between anchor and drag_pos */
else
s1 = row + 1;
}
else if (row > clist->drag_pos && clist->anchor > clist->drag_pos)
{
s1 = clist->drag_pos;
/* row and drag_pos on different sides of anchor :
take back the selection between anchor and drag_pos,
select between anchor and row */
if (row > clist->anchor)
{
e1 = clist->anchor - 1;
s2 = clist->anchor + 1;
e2 = row;
}
/* take back the selection between anchor and drag_pos */
else
e1 = row - 1;
}
clist->drag_pos = row;
area.x = 0;
area.width = clist->clist_window_width;
/* restore the elements between s1 and e1 */
if (s1 >= 0)
{
for (i = s1, list = g_list_nth (clist->row_list, i); i <= e1;
i++, list = list->next)
if (GTK_CLIST_ROW (list)->selectable)
{
if (GTK_CLIST_GET_CLASS (clist)->selection_find (clist, i, list))
GTK_CLIST_ROW (list)->state = GTK_STATE_SELECTED;
else
GTK_CLIST_ROW (list)->state = GTK_STATE_NORMAL;
}
top = ROW_TOP_YPIXEL (clist, clist->focus_row);
if (top + clist->row_height <= 0)
{
area.y = 0;
area.height = ROW_TOP_YPIXEL (clist, e1) + clist->row_height;
draw_rows (clist, &area);
gtk_clist_moveto (clist, clist->focus_row, -1, 0, 0);
}
else if (top >= clist->clist_window_height)
{
area.y = ROW_TOP_YPIXEL (clist, s1) - 1;
area.height = clist->clist_window_height - area.y;
draw_rows (clist, &area);
gtk_clist_moveto (clist, clist->focus_row, -1, 1, 0);
}
else if (top < 0)
gtk_clist_moveto (clist, clist->focus_row, -1, 0, 0);
else if (top + clist->row_height > clist->clist_window_height)
gtk_clist_moveto (clist, clist->focus_row, -1, 1, 0);
y1 = ROW_TOP_YPIXEL (clist, s1) - 1;
h1 = (e1 - s1 + 1) * (clist->row_height + CELL_SPACING);
}
/* extend the selection between s2 and e2 */
if (s2 >= 0)
{
for (i = s2, list = g_list_nth (clist->row_list, i); i <= e2;
i++, list = list->next)
if (GTK_CLIST_ROW (list)->selectable &&
GTK_CLIST_ROW (list)->state != clist->anchor_state)
GTK_CLIST_ROW (list)->state = clist->anchor_state;
top = ROW_TOP_YPIXEL (clist, clist->focus_row);
if (top + clist->row_height <= 0)
{
area.y = 0;
area.height = ROW_TOP_YPIXEL (clist, e2) + clist->row_height;
draw_rows (clist, &area);
gtk_clist_moveto (clist, clist->focus_row, -1, 0, 0);
}
else if (top >= clist->clist_window_height)
{
area.y = ROW_TOP_YPIXEL (clist, s2) - 1;
area.height = clist->clist_window_height - area.y;
draw_rows (clist, &area);
gtk_clist_moveto (clist, clist->focus_row, -1, 1, 0);
}
else if (top < 0)
gtk_clist_moveto (clist, clist->focus_row, -1, 0, 0);
else if (top + clist->row_height > clist->clist_window_height)
gtk_clist_moveto (clist, clist->focus_row, -1, 1, 0);
y2 = ROW_TOP_YPIXEL (clist, s2) - 1;
h2 = (e2 - s2 + 1) * (clist->row_height + CELL_SPACING);
}
area.y = MAX (0, MIN (y1, y2));
if (area.y > clist->clist_window_height)
area.y = 0;
area.height = MIN (clist->clist_window_height, h1 + h2);
if (s1 >= 0 && s2 >= 0)
area.height += (clist->row_height + CELL_SPACING);
draw_rows (clist, &area);
}
static void
start_selection (GtkCList *clist)
{
g_return_if_fail (GTK_IS_CLIST (clist));
if (clist_has_grab (clist))
return;
set_anchor (clist, GTK_CLIST_ADD_MODE(clist), clist->focus_row,
clist->focus_row);
}
static void
end_selection (GtkCList *clist)
{
g_return_if_fail (GTK_IS_CLIST (clist));
if (gdk_display_pointer_is_grabbed (gtk_widget_get_display (GTK_WIDGET (clist))) &&
GTK_WIDGET_HAS_FOCUS (clist))
return;
GTK_CLIST_GET_CLASS (clist)->resync_selection (clist, NULL);
}
static void
extend_selection (GtkCList *clist,
GtkScrollType scroll_type,
gfloat position,
gboolean auto_start_selection)
{
g_return_if_fail (GTK_IS_CLIST (clist));
if (clist_has_grab (clist) ||
clist->selection_mode != GTK_SELECTION_MULTIPLE)
return;
if (auto_start_selection)
set_anchor (clist, GTK_CLIST_ADD_MODE(clist), clist->focus_row,
clist->focus_row);
else if (clist->anchor == -1)
return;
move_focus_row (clist, scroll_type, position);
if (ROW_TOP_YPIXEL (clist, clist->focus_row) + clist->row_height >
clist->clist_window_height)
gtk_clist_moveto (clist, clist->focus_row, -1, 1, 0);
else if (ROW_TOP_YPIXEL (clist, clist->focus_row) < 0)
gtk_clist_moveto (clist, clist->focus_row, -1, 0, 0);
update_extended_selection (clist, clist->focus_row);
}
static void
sync_selection (GtkCList *clist,
gint row,
gint mode)
{
GList *list;
gint d;
if (mode == SYNC_INSERT)
d = 1;
else
d = -1;
if (clist->focus_row >= row)
{
if (d > 0 || clist->focus_row > row)
clist->focus_row += d;
if (clist->focus_row == -1 && clist->rows >= 1)
clist->focus_row = 0;
else if (d < 0 && clist->focus_row >= clist->rows - 1)
clist->focus_row = clist->rows - 2;
else if (clist->focus_row >= clist->rows) /* Paranoia */
clist->focus_row = clist->rows - 1;
}
GTK_CLIST_GET_CLASS (clist)->resync_selection (clist, NULL);
g_list_free (clist->undo_selection);
g_list_free (clist->undo_unselection);
clist->undo_selection = NULL;
clist->undo_unselection = NULL;
clist->anchor = -1;
clist->drag_pos = -1;
clist->undo_anchor = clist->focus_row;
list = clist->selection;
while (list)
{
if (GPOINTER_TO_INT (list->data) >= row)
list->data = ((gchar*) list->data) + d;
list = list->next;
}
}
/* GTKOBJECT
* gtk_clist_destroy
* gtk_clist_finalize
*/
static void
gtk_clist_destroy (GtkObject *object)
{
gint i;
GtkCList *clist;
g_return_if_fail (GTK_IS_CLIST (object));
clist = GTK_CLIST (object);
/* freeze the list */
clist->freeze_count++;
/* get rid of all the rows */
gtk_clist_clear (clist);
/* Since we don't have a _remove method, unparent the children
* instead of destroying them so the focus will be unset properly.
* (For other containers, the _remove method takes care of the
* unparent) The destroy will happen when the refcount drops
* to zero.
*/
/* unref adjustments */
if (clist->hadjustment)
{
gtk_signal_disconnect_by_data (GTK_OBJECT (clist->hadjustment), clist);
gtk_object_unref (GTK_OBJECT (clist->hadjustment));
clist->hadjustment = NULL;
}
if (clist->vadjustment)
{
gtk_signal_disconnect_by_data (GTK_OBJECT (clist->vadjustment), clist);
gtk_object_unref (GTK_OBJECT (clist->vadjustment));
clist->vadjustment = NULL;
}
remove_grab (clist);
/* destroy the column buttons */
for (i = 0; i < clist->columns; i++)
if (clist->column[i].button)
{
gtk_widget_unparent (clist->column[i].button);
clist->column[i].button = NULL;
}
if (GTK_OBJECT_CLASS (parent_class)->destroy)
(*GTK_OBJECT_CLASS (parent_class)->destroy) (object);
}
static void
gtk_clist_finalize (GObject *object)
{
GtkCList *clist;
g_return_if_fail (GTK_IS_CLIST (object));
clist = GTK_CLIST (object);
columns_delete (clist);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
/* GTKWIDGET
* gtk_clist_realize
* gtk_clist_unrealize
* gtk_clist_map
* gtk_clist_unmap
* gtk_clist_expose
* gtk_clist_style_set
* gtk_clist_button_press
* gtk_clist_button_release
* gtk_clist_motion
* gtk_clist_size_request
* gtk_clist_size_allocate
*/
static void
gtk_clist_realize (GtkWidget *widget)
{
GtkCList *clist;
GdkWindowAttr attributes;
GdkGCValues values;
GtkCListRow *clist_row;
GList *list;
gint attributes_mask;
gint border_width;
gint i;
gint j;
g_return_if_fail (GTK_IS_CLIST (widget));
clist = GTK_CLIST (widget);
GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
border_width = GTK_CONTAINER (widget)->border_width;
attributes.window_type = GDK_WINDOW_CHILD;
attributes.x = widget->allocation.x + border_width;
attributes.y = widget->allocation.y + border_width;
attributes.width = widget->allocation.width - border_width * 2;
attributes.height = widget->allocation.height - border_width * 2;
attributes.wclass = GDK_INPUT_OUTPUT;
attributes.visual = gtk_widget_get_visual (widget);
attributes.colormap = gtk_widget_get_colormap (widget);
attributes.event_mask = gtk_widget_get_events (widget);
attributes.event_mask |= (GDK_EXPOSURE_MASK |
GDK_BUTTON_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK |
GDK_KEY_RELEASE_MASK);
attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
/* main window */
widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
&attributes, attributes_mask);
gdk_window_set_user_data (widget->window, clist);
widget->style = gtk_style_attach (widget->style, widget->window);
gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
/* column-title window */
attributes.x = clist->column_title_area.x;
attributes.y = clist->column_title_area.y;
attributes.width = clist->column_title_area.width;
attributes.height = clist->column_title_area.height;
clist->title_window = gdk_window_new (widget->window, &attributes,
attributes_mask);
gdk_window_set_user_data (clist->title_window, clist);
gtk_style_set_background (widget->style, clist->title_window,
GTK_STATE_NORMAL);
gdk_window_show (clist->title_window);
/* set things up so column buttons are drawn in title window */
for (i = 0; i < clist->columns; i++)
if (clist->column[i].button)
gtk_widget_set_parent_window (clist->column[i].button,
clist->title_window);
/* clist-window */
attributes.x = (clist->internal_allocation.x +
widget->style->xthickness);
attributes.y = (clist->internal_allocation.y +
widget->style->ythickness +
clist->column_title_area.height);
attributes.width = clist->clist_window_width;
attributes.height = clist->clist_window_height;
clist->clist_window = gdk_window_new (widget->window, &attributes,
attributes_mask);
gdk_window_set_user_data (clist->clist_window, clist);
gdk_window_set_background (clist->clist_window,
&widget->style->base[GTK_STATE_NORMAL]);
gdk_window_show (clist->clist_window);
gdk_window_get_size (clist->clist_window, &clist->clist_window_width,
&clist->clist_window_height);
/* create resize windows */
attributes.wclass = GDK_INPUT_ONLY;
attributes.event_mask = (GDK_BUTTON_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK |
GDK_POINTER_MOTION_MASK |
GDK_POINTER_MOTION_HINT_MASK);
attributes_mask = GDK_WA_CURSOR;
attributes.cursor = gdk_cursor_new_for_display (gtk_widget_get_display (widget),
GDK_SB_H_DOUBLE_ARROW);
clist->cursor_drag = attributes.cursor;
attributes.x = LIST_WIDTH (clist) + 1;
attributes.y = 0;
attributes.width = 0;
attributes.height = 0;
for (i = 0; i < clist->columns; i++)
{
clist->column[i].window = gdk_window_new (clist->title_window,
&attributes, attributes_mask);
gdk_window_set_user_data (clist->column[i].window, clist);
}
/* This is slightly less efficient than creating them with the
* right size to begin with, but easier
*/
size_allocate_title_buttons (clist);
/* GCs */
clist->fg_gc = gdk_gc_new (widget->window);
clist->bg_gc = gdk_gc_new (widget->window);
/* We'll use this gc to do scrolling as well */
gdk_gc_set_exposures (clist->fg_gc, TRUE);
values.foreground = (widget->style->white.pixel==0 ?
widget->style->black:widget->style->white);
values.function = GDK_XOR;
values.subwindow_mode = GDK_INCLUDE_INFERIORS;
clist->xor_gc = gdk_gc_new_with_values (widget->window,
&values,
GDK_GC_FOREGROUND |
GDK_GC_FUNCTION |
GDK_GC_SUBWINDOW);
/* attach optional row/cell styles, allocate foreground/background colors */
list = clist->row_list;
for (i = 0; i < clist->rows; i++)
{
clist_row = list->data;
list = list->next;
if (clist_row->style)
clist_row->style = gtk_style_attach (clist_row->style,
clist->clist_window);
if (clist_row->fg_set || clist_row->bg_set)
{
GdkColormap *colormap;
colormap = gtk_widget_get_colormap (widget);
if (clist_row->fg_set)
gdk_color_alloc (colormap, &clist_row->foreground);
if (clist_row->bg_set)
gdk_color_alloc (colormap, &clist_row->background);
}
for (j = 0; j < clist->columns; j++)
if (clist_row->cell[j].style)
clist_row->cell[j].style =
gtk_style_attach (clist_row->cell[j].style, clist->clist_window);
}
}
static void
gtk_clist_unrealize (GtkWidget *widget)
{
gint i;
GtkCList *clist;
g_return_if_fail (GTK_IS_CLIST (widget));
clist = GTK_CLIST (widget);
/* freeze the list */
clist->freeze_count++;
if (GTK_WIDGET_MAPPED (widget))
gtk_clist_unmap (widget);
GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
/* detach optional row/cell styles */
if (GTK_WIDGET_REALIZED (widget))
{
GtkCListRow *clist_row;
GList *list;
gint j;
list = clist->row_list;
for (i = 0; i < clist->rows; i++)
{
clist_row = list->data;
list = list->next;
if (clist_row->style)
gtk_style_detach (clist_row->style);
for (j = 0; j < clist->columns; j++)
if (clist_row->cell[j].style)
gtk_style_detach (clist_row->cell[j].style);
}
}
gdk_cursor_destroy (clist->cursor_drag);
gdk_gc_destroy (clist->xor_gc);
gdk_gc_destroy (clist->fg_gc);
gdk_gc_destroy (clist->bg_gc);
for (i = 0; i < clist->columns; i++)
{
if (clist->column[i].button)
gtk_widget_unrealize (clist->column[i].button);
if (clist->column[i].window)
{
gdk_window_set_user_data (clist->column[i].window, NULL);
gdk_window_destroy (clist->column[i].window);
clist->column[i].window = NULL;
}
}
gdk_window_set_user_data (clist->clist_window, NULL);
gdk_window_destroy (clist->clist_window);
clist->clist_window = NULL;
gdk_window_set_user_data (clist->title_window, NULL);
gdk_window_destroy (clist->title_window);
clist->title_window = NULL;
clist->cursor_drag = NULL;
clist->xor_gc = NULL;
clist->fg_gc = NULL;
clist->bg_gc = NULL;
if (GTK_WIDGET_CLASS (parent_class)->unrealize)
(* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
}
static void
gtk_clist_map (GtkWidget *widget)
{
gint i;
GtkCList *clist;
g_return_if_fail (GTK_IS_CLIST (widget));
clist = GTK_CLIST (widget);
if (!GTK_WIDGET_MAPPED (widget))
{
GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
/* map column buttons */
for (i = 0; i < clist->columns; i++)
{
if (clist->column[i].button &&
GTK_WIDGET_VISIBLE (clist->column[i].button) &&
!GTK_WIDGET_MAPPED (clist->column[i].button))
gtk_widget_map (clist->column[i].button);
}
for (i = 0; i < clist->columns; i++)
if (clist->column[i].window && clist->column[i].button)
{
gdk_window_raise (clist->column[i].window);
gdk_window_show (clist->column[i].window);
}
gdk_window_show (clist->title_window);
gdk_window_show (clist->clist_window);
gdk_window_show (widget->window);
/* unfreeze the list */
clist->freeze_count = 0;
}
}
static void
gtk_clist_unmap (GtkWidget *widget)
{
gint i;
GtkCList *clist;
g_return_if_fail (GTK_IS_CLIST (widget));
clist = GTK_CLIST (widget);
if (GTK_WIDGET_MAPPED (widget))
{
GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
if (clist_has_grab (clist))
{
remove_grab (clist);
GTK_CLIST_GET_CLASS (widget)->resync_selection (clist, NULL);
clist->click_cell.row = -1;
clist->click_cell.column = -1;
clist->drag_button = 0;
if (GTK_CLIST_IN_DRAG(clist))
{
gpointer drag_data;
GTK_CLIST_UNSET_FLAG (clist, CLIST_IN_DRAG);
drag_data = gtk_object_get_data (GTK_OBJECT (clist),
"gtk-site-data");
if (drag_data)
gtk_signal_handler_unblock_by_data (GTK_OBJECT (clist),
drag_data);
}
}
for (i = 0; i < clist->columns; i++)
if (clist->column[i].window)
gdk_window_hide (clist->column[i].window);
gdk_window_hide (clist->clist_window);
gdk_window_hide (clist->title_window);
gdk_window_hide (widget->window);
/* unmap column buttons */
for (i = 0; i < clist->columns; i++)
if (clist->column[i].button &&
GTK_WIDGET_MAPPED (clist->column[i].button))
gtk_widget_unmap (clist->column[i].button);
/* freeze the list */
clist->freeze_count++;
}
}
static gint
gtk_clist_expose (GtkWidget *widget,
GdkEventExpose *event)
{
GtkCList *clist;
g_return_val_if_fail (GTK_IS_CLIST (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
if (GTK_WIDGET_DRAWABLE (widget))
{
clist = GTK_CLIST (widget);
/* draw border */
if (event->window == widget->window)
gtk_draw_shadow (widget->style, widget->window,
GTK_STATE_NORMAL, clist->shadow_type,
0, 0,
clist->clist_window_width +
(2 * widget->style->xthickness),
clist->clist_window_height +
(2 * widget->style->ythickness) +
clist->column_title_area.height);
/* exposure events on the list */
if (event->window == clist->clist_window)
draw_rows (clist, &event->area);
if (event->window == clist->clist_window &&
clist->drag_highlight_row >= 0)
GTK_CLIST_GET_CLASS (clist)->draw_drag_highlight
(clist, g_list_nth (clist->row_list,
clist->drag_highlight_row)->data,
clist->drag_highlight_row, clist->drag_highlight_pos);
if (event->window == clist->title_window)
{
gint i;
for (i = 0; i < clist->columns; i++)
{
if (clist->column[i].button)
gtk_container_propagate_expose (GTK_CONTAINER (clist),
clist->column[i].button,
event);
}
}
}
return FALSE;
}
static void
gtk_clist_style_set (GtkWidget *widget,
GtkStyle *previous_style)
{
GtkCList *clist;
g_return_if_fail (GTK_IS_CLIST (widget));
if (GTK_WIDGET_CLASS (parent_class)->style_set)
(*GTK_WIDGET_CLASS (parent_class)->style_set) (widget, previous_style);
clist = GTK_CLIST (widget);
if (GTK_WIDGET_REALIZED (widget))
{
gtk_style_set_background (widget->style, widget->window, widget->state);
gtk_style_set_background (widget->style, clist->title_window, GTK_STATE_SELECTED);
gdk_window_set_background (clist->clist_window, &widget->style->base[GTK_STATE_NORMAL]);
}
/* Fill in data after widget has correct style */
/* text properties */
if (!GTK_CLIST_ROW_HEIGHT_SET(clist))
/* Reset clist->row_height */
gtk_clist_set_row_height (clist, 0);
/* Column widths */
if (!GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
{
gint width;
gint i;
for (i = 0; i < clist->columns; i++)
if (clist->column[i].auto_resize)
{
width = gtk_clist_optimal_column_width (clist, i);
if (width != clist->column[i].width)
gtk_clist_set_column_width (clist, i, width);
}
}
}
static gint
gtk_clist_button_press (GtkWidget *widget,
GdkEventButton *event)
{
gint i;
GtkCList *clist;
gint x;
gint y;
gint row;
gint column;
gint button_actions;
g_return_val_if_fail (GTK_IS_CLIST (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
clist = GTK_CLIST (widget);
button_actions = clist->button_actions[event->button - 1];
if (button_actions == GTK_BUTTON_IGNORED)
return FALSE;
/* selections on the list */
if (event->window == clist->clist_window)
{
x = event->x;
y = event->y;
if (get_selection_info (clist, x, y, &row, &column))
{
gint old_row = clist->focus_row;
if (clist->focus_row == -1)
old_row = row;
if (event->type == GDK_BUTTON_PRESS)
{
GdkEventMask mask = ((1 << (4 + event->button)) |
GDK_POINTER_MOTION_HINT_MASK |
GDK_BUTTON_RELEASE_MASK);
if (gdk_pointer_grab (clist->clist_window, FALSE, mask,
NULL, NULL, event->time))
return FALSE;
gtk_grab_add (widget);
clist->click_cell.row = row;
clist->click_cell.column = column;
clist->drag_button = event->button;
}
else
{
clist->click_cell.row = -1;
clist->click_cell.column = -1;
clist->drag_button = 0;
remove_grab (clist);
}
if (button_actions & GTK_BUTTON_SELECTS)
{
if (GTK_CLIST_ADD_MODE(clist))
{
GTK_CLIST_UNSET_FLAG (clist, CLIST_ADD_MODE);
if (GTK_WIDGET_HAS_FOCUS(widget))
{
gtk_clist_draw_focus (widget);
gdk_gc_set_line_attributes (clist->xor_gc, 1,
GDK_LINE_SOLID, 0, 0);
clist->focus_row = row;
gtk_clist_draw_focus (widget);
}
else
{
gdk_gc_set_line_attributes (clist->xor_gc, 1,
GDK_LINE_SOLID, 0, 0);
clist->focus_row = row;
}
}
else if (row != clist->focus_row)
{
if (GTK_WIDGET_HAS_FOCUS(widget))
{
gtk_clist_draw_focus (widget);
clist->focus_row = row;
gtk_clist_draw_focus (widget);
}
else
clist->focus_row = row;
}
}
if (!GTK_WIDGET_HAS_FOCUS(widget))
gtk_widget_grab_focus (widget);
if (button_actions & GTK_BUTTON_SELECTS)
{
switch (clist->selection_mode)
{
case GTK_SELECTION_SINGLE:
if (event->type != GDK_BUTTON_PRESS)
{
gtk_signal_emit (GTK_OBJECT (clist),
clist_signals[SELECT_ROW],
row, column, event);
clist->anchor = -1;
}
else
clist->anchor = row;
break;
case GTK_SELECTION_BROWSE:
gtk_signal_emit (GTK_OBJECT (clist),
clist_signals[SELECT_ROW],
row, column, event);
break;
case GTK_SELECTION_MULTIPLE:
if (event->type != GDK_BUTTON_PRESS)
{
if (clist->anchor != -1)
{
update_extended_selection (clist, clist->focus_row);
GTK_CLIST_GET_CLASS (clist)->resync_selection
(clist, (GdkEvent *) event);
}
gtk_signal_emit (GTK_OBJECT (clist),
clist_signals[SELECT_ROW],
row, column, event);
break;
}
if (event->state & GDK_CONTROL_MASK)
{
if (event->state & GDK_SHIFT_MASK)
{
if (clist->anchor < 0)
{
g_list_free (clist->undo_selection);
g_list_free (clist->undo_unselection);
clist->undo_selection = NULL;
clist->undo_unselection = NULL;
clist->anchor = old_row;
clist->drag_pos = old_row;
clist->undo_anchor = old_row;
}
update_extended_selection (clist, clist->focus_row);
}
else
{
if (clist->anchor == -1)
set_anchor (clist, TRUE, row, old_row);
else
update_extended_selection (clist,
clist->focus_row);
}
break;
}
if (event->state & GDK_SHIFT_MASK)
{
set_anchor (clist, FALSE, old_row, old_row);
update_extended_selection (clist, clist->focus_row);
break;
}
if (clist->anchor == -1)
set_anchor (clist, FALSE, row, old_row);
else
update_extended_selection (clist, clist->focus_row);
break;
default:
break;
}
}
}
return TRUE;
}
/* press on resize windows */
for (i = 0; i < clist->columns; i++)
if (clist->column[i].resizeable && clist->column[i].window &&
event->window == clist->column[i].window)
{
gpointer drag_data;
if (gdk_pointer_grab (clist->column[i].window, FALSE,
GDK_POINTER_MOTION_HINT_MASK |
GDK_BUTTON1_MOTION_MASK |
GDK_BUTTON_RELEASE_MASK,
NULL, NULL, event->time))
return FALSE;
gtk_grab_add (widget);
GTK_CLIST_SET_FLAG (clist, CLIST_IN_DRAG);
/* block attached dnd signal handler */
drag_data = gtk_object_get_data (GTK_OBJECT (clist), "gtk-site-data");
if (drag_data)
gtk_signal_handler_block_by_data (GTK_OBJECT (clist), drag_data);
if (!GTK_WIDGET_HAS_FOCUS(widget))
gtk_widget_grab_focus (widget);
clist->drag_pos = i;
clist->x_drag = (COLUMN_LEFT_XPIXEL(clist, i) + COLUMN_INSET +
clist->column[i].area.width + CELL_SPACING);
if (GTK_CLIST_ADD_MODE(clist))
gdk_gc_set_line_attributes (clist->xor_gc, 1, GDK_LINE_SOLID, 0, 0);
draw_xor_line (clist);
return TRUE;
}
return FALSE;
}
static gint
gtk_clist_button_release (GtkWidget *widget,
GdkEventButton *event)
{
GtkCList *clist;
gint button_actions;
g_return_val_if_fail (GTK_IS_CLIST (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
clist = GTK_CLIST (widget);
button_actions = clist->button_actions[event->button - 1];
if (button_actions == GTK_BUTTON_IGNORED)
return FALSE;
/* release on resize windows */
if (GTK_CLIST_IN_DRAG(clist))
{
gpointer drag_data;
gint width;
gint x;
gint i;
i = clist->drag_pos;
clist->drag_pos = -1;
/* unblock attached dnd signal handler */
drag_data = gtk_object_get_data (GTK_OBJECT (clist), "gtk-site-data");
if (drag_data)
gtk_signal_handler_unblock_by_data (GTK_OBJECT (clist), drag_data);
GTK_CLIST_UNSET_FLAG (clist, CLIST_IN_DRAG);
gtk_widget_get_pointer (widget, &x, NULL);
gtk_grab_remove (widget);
gdk_display_pointer_ungrab (gtk_widget_get_display (widget), event->time);
if (clist->x_drag >= 0)
draw_xor_line (clist);
if (GTK_CLIST_ADD_MODE(clist))
{
gdk_gc_set_line_attributes (clist->xor_gc, 1,
GDK_LINE_ON_OFF_DASH, 0, 0);
gdk_gc_set_dashes (clist->xor_gc, 0, "\4\4", 2);
}
width = new_column_width (clist, i, &x);
gtk_clist_set_column_width (clist, i, width);
return TRUE;
}
if (clist->drag_button == event->button)
{
gint row;
gint column;
clist->drag_button = 0;
clist->click_cell.row = -1;
clist->click_cell.column = -1;
remove_grab (clist);
if (button_actions & GTK_BUTTON_SELECTS)
{
switch (clist->selection_mode)
{
case GTK_SELECTION_MULTIPLE:
if (!(event->state & GDK_SHIFT_MASK) ||
!GTK_WIDGET_CAN_FOCUS (widget) ||
event->x < 0 || event->x >= clist->clist_window_width ||
event->y < 0 || event->y >= clist->clist_window_height)
GTK_CLIST_GET_CLASS (clist)->resync_selection
(clist, (GdkEvent *) event);
break;
case GTK_SELECTION_SINGLE:
if (get_selection_info (clist, event->x, event->y,
&row, &column))
{
if (row >= 0 && row < clist->rows && clist->anchor == row)
toggle_row (clist, row, column, (GdkEvent *) event);
}
clist->anchor = -1;
break;
default:
break;
}
}
return TRUE;
}
return FALSE;
}
static gint
gtk_clist_motion (GtkWidget *widget,
GdkEventMotion *event)
{
GtkCList *clist;
gint x;
gint y;
gint row;
gint new_width;
gint button_actions = 0;
g_return_val_if_fail (GTK_IS_CLIST (widget), FALSE);
clist = GTK_CLIST (widget);
if (!clist_has_grab (clist))
return FALSE;
if (clist->drag_button > 0)
button_actions = clist->button_actions[clist->drag_button - 1];
if (GTK_CLIST_IN_DRAG(clist))
{
if (event->is_hint || event->window != widget->window)
gtk_widget_get_pointer (widget, &x, NULL);
else
x = event->x;
new_width = new_column_width (clist, clist->drag_pos, &x);
if (x != clist->x_drag)
{
/* x_drag < 0 indicates that the xor line is already invisible */
if (clist->x_drag >= 0)
draw_xor_line (clist);
clist->x_drag = x;
if (clist->x_drag >= 0)
draw_xor_line (clist);
}
if (new_width <= MAX (COLUMN_MIN_WIDTH + 1,
clist->column[clist->drag_pos].min_width + 1))
{
if (COLUMN_LEFT_XPIXEL (clist, clist->drag_pos) < 0 && x < 0)
gtk_clist_moveto (clist, -1, clist->drag_pos, 0, 0);
return FALSE;
}
if (clist->column[clist->drag_pos].max_width >= COLUMN_MIN_WIDTH &&
new_width >= clist->column[clist->drag_pos].max_width)
{
if (COLUMN_LEFT_XPIXEL (clist, clist->drag_pos) + new_width >
clist->clist_window_width && x < 0)
move_horizontal (clist,
COLUMN_LEFT_XPIXEL (clist, clist->drag_pos) +
new_width - clist->clist_window_width +
COLUMN_INSET + CELL_SPACING);
return FALSE;
}
}
if (event->is_hint || event->window != clist->clist_window)
gdk_window_get_pointer (clist->clist_window, &x, &y, NULL);
else
{
x = event->x;
y = event->y;
}
if (GTK_CLIST_REORDERABLE(clist) && button_actions & GTK_BUTTON_DRAGS)
{
/* delayed drag start */
if (event->window == clist->clist_window &&
clist->click_cell.row >= 0 && clist->click_cell.column >= 0 &&
(y < 0 || y >= clist->clist_window_height ||
x < 0 || x >= clist->clist_window_width ||
y < ROW_TOP_YPIXEL (clist, clist->click_cell.row) ||
y >= (ROW_TOP_YPIXEL (clist, clist->click_cell.row) +
clist->row_height) ||
x < COLUMN_LEFT_XPIXEL (clist, clist->click_cell.column) ||
x >= (COLUMN_LEFT_XPIXEL(clist, clist->click_cell.column) +
clist->column[clist->click_cell.column].area.width)))
{
GtkTargetList *target_list;
target_list = gtk_target_list_new (&clist_target_table, 1);
gtk_drag_begin (widget, target_list, GDK_ACTION_MOVE,
clist->drag_button, (GdkEvent *)event);
}
return TRUE;
}
/* horizontal autoscrolling */
if (clist->hadjustment && LIST_WIDTH (clist) > clist->clist_window_width &&
(x < 0 || x >= clist->clist_window_width))
{
if (clist->htimer)
return FALSE;
clist->htimer = gdk_threads_add_timeout
(SCROLL_TIME, (GSourceFunc) horizontal_timeout, clist);
if (!((x < 0 && clist->hadjustment->value == 0) ||
(x >= clist->clist_window_width &&
clist->hadjustment->value ==
LIST_WIDTH (clist) - clist->clist_window_width)))
{
if (x < 0)
move_horizontal (clist, -1 + (x/2));
else
move_horizontal (clist, 1 + (x - clist->clist_window_width) / 2);
}
}
if (GTK_CLIST_IN_DRAG(clist))
return FALSE;
/* vertical autoscrolling */
row = ROW_FROM_YPIXEL (clist, y);
/* don't scroll on last pixel row if it's a cell spacing */
if (y == clist->clist_window_height - 1 &&
y == ROW_TOP_YPIXEL (clist, row-1) + clist->row_height)
return FALSE;
if (LIST_HEIGHT (clist) > clist->clist_window_height &&
(y < 0 || y >= clist->clist_window_height))
{
if (clist->vtimer)
return FALSE;
clist->vtimer = gdk_threads_add_timeout (SCROLL_TIME,
(GSourceFunc) vertical_timeout, clist);
if (clist->drag_button &&
((y < 0 && clist->focus_row == 0) ||
(y >= clist->clist_window_height &&
clist->focus_row == clist->rows - 1)))
return FALSE;
}
row = CLAMP (row, 0, clist->rows - 1);
if (button_actions & GTK_BUTTON_SELECTS &
!gtk_object_get_data (GTK_OBJECT (widget), "gtk-site-data"))
{
if (row == clist->focus_row)
return FALSE;
gtk_clist_draw_focus (widget);
clist->focus_row = row;
gtk_clist_draw_focus (widget);
switch (clist->selection_mode)
{
case GTK_SELECTION_BROWSE:
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW],
clist->focus_row, -1, event);
break;
case GTK_SELECTION_MULTIPLE:
update_extended_selection (clist, clist->focus_row);
break;
default:
break;
}
}
if (ROW_TOP_YPIXEL(clist, row) < 0)
move_vertical (clist, row, 0);
else if (ROW_TOP_YPIXEL(clist, row) + clist->row_height >
clist->clist_window_height)
move_vertical (clist, row, 1);
return FALSE;
}
static void
gtk_clist_size_request (GtkWidget *widget,
GtkRequisition *requisition)
{
GtkCList *clist;
gint i;
g_return_if_fail (GTK_IS_CLIST (widget));
g_return_if_fail (requisition != NULL);
clist = GTK_CLIST (widget);
requisition->width = 0;
requisition->height = 0;
/* compute the size of the column title (title) area */
clist->column_title_area.height = 0;
if (GTK_CLIST_SHOW_TITLES(clist))
for (i = 0; i < clist->columns; i++)
if (clist->column[i].button)
{
GtkRequisition child_requisition;
gtk_widget_size_request (clist->column[i].button,
&child_requisition);
clist->column_title_area.height =
MAX (clist->column_title_area.height,
child_requisition.height);
}
requisition->width += (widget->style->xthickness +
GTK_CONTAINER (widget)->border_width) * 2;
requisition->height += (clist->column_title_area.height +
(widget->style->ythickness +
GTK_CONTAINER (widget)->border_width) * 2);
/* if (!clist->hadjustment) */
requisition->width += list_requisition_width (clist);
/* if (!clist->vadjustment) */
requisition->height += LIST_HEIGHT (clist);
}
static void
gtk_clist_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
GtkCList *clist;
GtkAllocation clist_allocation;
gint border_width;
g_return_if_fail (GTK_IS_CLIST (widget));
g_return_if_fail (allocation != NULL);
clist = GTK_CLIST (widget);
widget->allocation = *allocation;
border_width = GTK_CONTAINER (widget)->border_width;
if (GTK_WIDGET_REALIZED (widget))
{
gdk_window_move_resize (widget->window,
allocation->x + border_width,
allocation->y + border_width,
allocation->width - border_width * 2,
allocation->height - border_width * 2);
}
/* use internal allocation structure for all the math
* because it's easier than always subtracting the container
* border width */
clist->internal_allocation.x = 0;
clist->internal_allocation.y = 0;
clist->internal_allocation.width = MAX (1, (gint)allocation->width -
border_width * 2);
clist->internal_allocation.height = MAX (1, (gint)allocation->height -
border_width * 2);
/* allocate clist window assuming no scrollbars */
clist_allocation.x = (clist->internal_allocation.x +
widget->style->xthickness);
clist_allocation.y = (clist->internal_allocation.y +
widget->style->ythickness +
clist->column_title_area.height);
clist_allocation.width = MAX (1, (gint)clist->internal_allocation.width -
(2 * (gint)widget->style->xthickness));
clist_allocation.height = MAX (1, (gint)clist->internal_allocation.height -
(2 * (gint)widget->style->ythickness) -
(gint)clist->column_title_area.height);
clist->clist_window_width = clist_allocation.width;
clist->clist_window_height = clist_allocation.height;
if (GTK_WIDGET_REALIZED (widget))
{
gdk_window_move_resize (clist->clist_window,
clist_allocation.x,
clist_allocation.y,
clist_allocation.width,
clist_allocation.height);
}
/* position the window which holds the column title buttons */
clist->column_title_area.x = widget->style->xthickness;
clist->column_title_area.y = widget->style->ythickness;
clist->column_title_area.width = clist_allocation.width;
if (GTK_WIDGET_REALIZED (widget))
{
gdk_window_move_resize (clist->title_window,
clist->column_title_area.x,
clist->column_title_area.y,
clist->column_title_area.width,
clist->column_title_area.height);
}
/* column button allocation */
size_allocate_columns (clist, FALSE);
size_allocate_title_buttons (clist);
adjust_adjustments (clist, TRUE);
}
/* GTKCONTAINER
* gtk_clist_forall
*/
static void
gtk_clist_forall (GtkContainer *container,
gboolean include_internals,
GtkCallback callback,
gpointer callback_data)
{
GtkCList *clist;
guint i;
g_return_if_fail (GTK_IS_CLIST (container));
g_return_if_fail (callback != NULL);
if (!include_internals)
return;
clist = GTK_CLIST (container);
/* callback for the column buttons */
for (i = 0; i < clist->columns; i++)
if (clist->column[i].button)
(*callback) (clist->column[i].button, callback_data);
}
/* PRIVATE DRAWING FUNCTIONS
* get_cell_style
* draw_cell_pixmap
* draw_row
* draw_rows
* draw_xor_line
* clist_refresh
*/
static void
get_cell_style (GtkCList *clist,
GtkCListRow *clist_row,
gint state,
gint column,
GtkStyle **style,
GdkGC **fg_gc,
GdkGC **bg_gc)
{
gint fg_state;
if ((state == GTK_STATE_NORMAL) &&
(GTK_WIDGET (clist)->state == GTK_STATE_INSENSITIVE))
fg_state = GTK_STATE_INSENSITIVE;
else
fg_state = state;
if (clist_row->cell[column].style)
{
if (style)
*style = clist_row->cell[column].style;
if (fg_gc)
*fg_gc = clist_row->cell[column].style->fg_gc[fg_state];
if (bg_gc) {
if (state == GTK_STATE_SELECTED)
*bg_gc = clist_row->cell[column].style->bg_gc[state];
else
*bg_gc = clist_row->cell[column].style->base_gc[state];
}
}
else if (clist_row->style)
{
if (style)
*style = clist_row->style;
if (fg_gc)
*fg_gc = clist_row->style->fg_gc[fg_state];
if (bg_gc) {
if (state == GTK_STATE_SELECTED)
*bg_gc = clist_row->style->bg_gc[state];
else
*bg_gc = clist_row->style->base_gc[state];
}
}
else
{
if (style)
*style = GTK_WIDGET (clist)->style;
if (fg_gc)
*fg_gc = GTK_WIDGET (clist)->style->fg_gc[fg_state];
if (bg_gc) {
if (state == GTK_STATE_SELECTED)
*bg_gc = GTK_WIDGET (clist)->style->bg_gc[state];
else
*bg_gc = GTK_WIDGET (clist)->style->base_gc[state];
}
if (state != GTK_STATE_SELECTED)
{
if (fg_gc && clist_row->fg_set)
*fg_gc = clist->fg_gc;
if (bg_gc && clist_row->bg_set)
*bg_gc = clist->bg_gc;
}
}
}
static gint
draw_cell_pixmap (GdkWindow *window,
GdkRectangle *clip_rectangle,
GdkGC *fg_gc,
GdkPixmap *pixmap,
GdkBitmap *mask,
gint x,
gint y,
gint width,
gint height)
{
gint xsrc = 0;
gint ysrc = 0;
if (mask)
{
gdk_gc_set_clip_mask (fg_gc, mask);
gdk_gc_set_clip_origin (fg_gc, x, y);
}
if (x < clip_rectangle->x)
{
xsrc = clip_rectangle->x - x;
width -= xsrc;
x = clip_rectangle->x;
}
if (x + width > clip_rectangle->x + clip_rectangle->width)
width = clip_rectangle->x + clip_rectangle->width - x;
if (y < clip_rectangle->y)
{
ysrc = clip_rectangle->y - y;
height -= ysrc;
y = clip_rectangle->y;
}
if (y + height > clip_rectangle->y + clip_rectangle->height)
height = clip_rectangle->y + clip_rectangle->height - y;
gdk_draw_pixmap (window, fg_gc, pixmap, xsrc, ysrc, x, y, width, height);
gdk_gc_set_clip_origin (fg_gc, 0, 0);
if (mask)
gdk_gc_set_clip_mask (fg_gc, NULL);
return x + MAX (width, 0);
}
static void
draw_row (GtkCList *clist,
GdkRectangle *area,
gint row,
GtkCListRow *clist_row)
{
GtkWidget *widget;
GdkRectangle *rect;
GdkRectangle row_rectangle;
GdkRectangle cell_rectangle;
GdkRectangle clip_rectangle;
GdkRectangle intersect_rectangle;
gint last_column;
gint state;
gint i;
g_return_if_fail (clist != NULL);
/* bail now if we arn't drawable yet */
if (!GTK_WIDGET_DRAWABLE (clist) || row < 0 || row >= clist->rows)
return;
widget = GTK_WIDGET (clist);
/* if the function is passed the pointer to the row instead of null,
* it avoids this expensive lookup */
if (!clist_row)
clist_row = ROW_ELEMENT (clist, row)->data;
/* rectangle of the entire row */
row_rectangle.x = 0;
row_rectangle.y = ROW_TOP_YPIXEL (clist, row);
row_rectangle.width = clist->clist_window_width;
row_rectangle.height = clist->row_height;
/* rectangle of the cell spacing above the row */
cell_rectangle.x = 0;
cell_rectangle.y = row_rectangle.y - CELL_SPACING;
cell_rectangle.width = row_rectangle.width;
cell_rectangle.height = CELL_SPACING;
/* rectangle used to clip drawing operations, its y and height
* positions only need to be set once, so we set them once here.
* the x and width are set withing the drawing loop below once per
* column */
clip_rectangle.y = row_rectangle.y;
clip_rectangle.height = row_rectangle.height;
if (clist_row->state == GTK_STATE_NORMAL)
{
if (clist_row->fg_set)
gdk_gc_set_foreground (clist->fg_gc, &clist_row->foreground);
if (clist_row->bg_set)
gdk_gc_set_foreground (clist->bg_gc, &clist_row->background);
}
state = clist_row->state;
/* draw the cell borders and background */
if (area)
{
rect = &intersect_rectangle;
if (gdk_rectangle_intersect (area, &cell_rectangle,
&intersect_rectangle))
gdk_draw_rectangle (clist->clist_window,
widget->style->base_gc[GTK_STATE_NORMAL],
TRUE,
intersect_rectangle.x,
intersect_rectangle.y,
intersect_rectangle.width,
intersect_rectangle.height);
/* the last row has to clear its bottom cell spacing too */
if (clist_row == clist->row_list_end->data)
{
cell_rectangle.y += clist->row_height + CELL_SPACING;
if (gdk_rectangle_intersect (area, &cell_rectangle,
&intersect_rectangle))
gdk_draw_rectangle (clist->clist_window,
widget->style->base_gc[GTK_STATE_NORMAL],
TRUE,
intersect_rectangle.x,
intersect_rectangle.y,
intersect_rectangle.width,
intersect_rectangle.height);
}
if (!gdk_rectangle_intersect (area, &row_rectangle,&intersect_rectangle))
return;
}
else
{
rect = &clip_rectangle;
gdk_draw_rectangle (clist->clist_window,
widget->style->base_gc[GTK_STATE_NORMAL],
TRUE,
cell_rectangle.x,
cell_rectangle.y,
cell_rectangle.width,
cell_rectangle.height);
/* the last row has to clear its bottom cell spacing too */
if (clist_row == clist->row_list_end->data)
{
cell_rectangle.y += clist->row_height + CELL_SPACING;
gdk_draw_rectangle (clist->clist_window,
widget->style->base_gc[GTK_STATE_NORMAL],
TRUE,
cell_rectangle.x,
cell_rectangle.y,
cell_rectangle.width,
cell_rectangle.height);
}
}
for (last_column = clist->columns - 1;
last_column >= 0 && !clist->column[last_column].visible; last_column--)
;
/* iterate and draw all the columns (row cells) and draw their contents */
for (i = 0; i < clist->columns; i++)
{
GtkStyle *style;
GdkGC *fg_gc;
GdkGC *bg_gc;
PangoLayout *layout;
PangoRectangle logical_rect;
gint width;
gint height;
gint pixmap_width;
gint offset = 0;
if (!clist->column[i].visible)
continue;
get_cell_style (clist, clist_row, state, i, &style, &fg_gc, &bg_gc);
clip_rectangle.x = clist->column[i].area.x + clist->hoffset;
clip_rectangle.width = clist->column[i].area.width;
/* calculate clipping region clipping region */
clip_rectangle.x -= COLUMN_INSET + CELL_SPACING;
clip_rectangle.width += (2 * COLUMN_INSET + CELL_SPACING +
(i == last_column) * CELL_SPACING);
if (area && !gdk_rectangle_intersect (area, &clip_rectangle,
&intersect_rectangle))
continue;
gdk_draw_rectangle (clist->clist_window, bg_gc, TRUE,
rect->x, rect->y, rect->width, rect->height);
clip_rectangle.x += COLUMN_INSET + CELL_SPACING;
clip_rectangle.width -= (2 * COLUMN_INSET + CELL_SPACING +
(i == last_column) * CELL_SPACING);
/* calculate real width for column justification */
layout = _gtk_clist_create_cell_layout (clist, clist_row, i);
if (layout)
{
pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
width = logical_rect.width;
}
else
width = 0;
pixmap_width = 0;
offset = 0;
switch (clist_row->cell[i].type)
{
case GTK_CELL_PIXMAP:
gdk_window_get_size (GTK_CELL_PIXMAP (clist_row->cell[i])->pixmap,
&pixmap_width, &height);
width += pixmap_width;
break;
case GTK_CELL_PIXTEXT:
gdk_window_get_size (GTK_CELL_PIXTEXT (clist_row->cell[i])->pixmap,
&pixmap_width, &height);
width += pixmap_width + GTK_CELL_PIXTEXT (clist_row->cell[i])->spacing;
break;
default:
break;
}
switch (clist->column[i].justification)
{
case GTK_JUSTIFY_LEFT:
offset = clip_rectangle.x + clist_row->cell[i].horizontal;
break;
case GTK_JUSTIFY_RIGHT:
offset = (clip_rectangle.x + clist_row->cell[i].horizontal +
clip_rectangle.width - width);
break;
case GTK_JUSTIFY_CENTER:
case GTK_JUSTIFY_FILL:
offset = (clip_rectangle.x + clist_row->cell[i].horizontal +
(clip_rectangle.width / 2) - (width / 2));
break;
};
/* Draw Text and/or Pixmap */
switch (clist_row->cell[i].type)
{
case GTK_CELL_PIXMAP:
draw_cell_pixmap (clist->clist_window, &clip_rectangle, fg_gc,
GTK_CELL_PIXMAP (clist_row->cell[i])->pixmap,
GTK_CELL_PIXMAP (clist_row->cell[i])->mask,
offset,
clip_rectangle.y + clist_row->cell[i].vertical +
(clip_rectangle.height - height) / 2,
pixmap_width, height);
break;
case GTK_CELL_PIXTEXT:
offset =
draw_cell_pixmap (clist->clist_window, &clip_rectangle, fg_gc,
GTK_CELL_PIXTEXT (clist_row->cell[i])->pixmap,
GTK_CELL_PIXTEXT (clist_row->cell[i])->mask,
offset,
clip_rectangle.y + clist_row->cell[i].vertical+
(clip_rectangle.height - height) / 2,
pixmap_width, height);
offset += GTK_CELL_PIXTEXT (clist_row->cell[i])->spacing;
/* Fall through */
case GTK_CELL_TEXT:
if (layout)
{
gint row_center_offset = (clist->row_height - logical_rect.height - 1) / 2;
gdk_gc_set_clip_rectangle (fg_gc, &clip_rectangle);
gdk_draw_layout (clist->clist_window, fg_gc,
offset,
row_rectangle.y + row_center_offset + clist_row->cell[i].vertical,
layout);
g_object_unref (G_OBJECT (layout));
gdk_gc_set_clip_rectangle (fg_gc, NULL);
}
break;
default:
break;
}
}
/* draw focus rectangle */
if (clist->focus_row == row &&
GTK_WIDGET_CAN_FOCUS (widget) && GTK_WIDGET_HAS_FOCUS(widget))
{
if (!area)
gdk_draw_rectangle (clist->clist_window, clist->xor_gc, FALSE,
row_rectangle.x, row_rectangle.y,
row_rectangle.width - 1, row_rectangle.height - 1);
else if (gdk_rectangle_intersect (area, &row_rectangle,
&intersect_rectangle))
{
gdk_gc_set_clip_rectangle (clist->xor_gc, &intersect_rectangle);
gdk_draw_rectangle (clist->clist_window, clist->xor_gc, FALSE,
row_rectangle.x, row_rectangle.y,
row_rectangle.width - 1,
row_rectangle.height - 1);
gdk_gc_set_clip_rectangle (clist->xor_gc, NULL);
}
}
}
static void
draw_rows (GtkCList *clist,
GdkRectangle *area)
{
GList *list;
GtkCListRow *clist_row;
gint i;
gint first_row;
gint last_row;
g_return_if_fail (GTK_IS_CLIST (clist));
if (clist->row_height == 0 ||
!GTK_WIDGET_DRAWABLE (clist))
return;
if (area)
{
first_row = ROW_FROM_YPIXEL (clist, area->y);
last_row = ROW_FROM_YPIXEL (clist, area->y + area->height);
}
else
{
first_row = ROW_FROM_YPIXEL (clist, 0);
last_row = ROW_FROM_YPIXEL (clist, clist->clist_window_height);
}
/* this is a small special case which exposes the bottom cell line
* on the last row -- it might go away if I change the wall the cell
* spacings are drawn
*/
if (clist->rows == first_row)
first_row--;
list = ROW_ELEMENT (clist, first_row);
i = first_row;
while (list)
{
clist_row = list->data;
list = list->next;
if (i > last_row)
return;
GTK_CLIST_GET_CLASS (clist)->draw_row (clist, area, i, clist_row);
i++;
}
if (!area)
gdk_window_clear_area (clist->clist_window, 0,
ROW_TOP_YPIXEL (clist, i), 0, 0);
}
static void
draw_xor_line (GtkCList *clist)
{
GtkWidget *widget;
g_return_if_fail (clist != NULL);
widget = GTK_WIDGET (clist);
gdk_draw_line (widget->window, clist->xor_gc,
clist->x_drag,
widget->style->ythickness,
clist->x_drag,
clist->column_title_area.height +
clist->clist_window_height + 1);
}
static void
clist_refresh (GtkCList *clist)
{
g_return_if_fail (GTK_IS_CLIST (clist));
if (CLIST_UNFROZEN (clist))
{
adjust_adjustments (clist, FALSE);
draw_rows (clist, NULL);
}
}
/* get cell from coordinates
* get_selection_info
* gtk_clist_get_selection_info
*/
static gint
get_selection_info (GtkCList *clist,
gint x,
gint y,
gint *row,
gint *column)
{
gint trow, tcol;
g_return_val_if_fail (GTK_IS_CLIST (clist), 0);
/* bounds checking, return false if the user clicked
* on a blank area */
trow = ROW_FROM_YPIXEL (clist, y);
if (trow >= clist->rows)
return 0;
if (row)
*row = trow;
tcol = COLUMN_FROM_XPIXEL (clist, x);
if (tcol >= clist->columns)
return 0;
if (column)
*column = tcol;
return 1;
}
gint
gtk_clist_get_selection_info (GtkCList *clist,
gint x,
gint y,
gint *row,
gint *column)
{
g_return_val_if_fail (GTK_IS_CLIST (clist), 0);
return get_selection_info (clist, x, y, row, column);
}
/* PRIVATE ADJUSTMENT FUNCTIONS
* adjust_adjustments
* vadjustment_changed
* hadjustment_changed
* vadjustment_value_changed
* hadjustment_value_changed
* check_exposures
*/
static void
adjust_adjustments (GtkCList *clist,
gboolean block_resize)
{
if (clist->vadjustment)
{
clist->vadjustment->page_size = clist->clist_window_height;
clist->vadjustment->step_increment = clist->row_height;
clist->vadjustment->page_increment =
MAX (clist->vadjustment->page_size - clist->vadjustment->step_increment,
clist->vadjustment->page_size / 2);
clist->vadjustment->lower = 0;
clist->vadjustment->upper = LIST_HEIGHT (clist);
if (clist->clist_window_height - clist->voffset > LIST_HEIGHT (clist) ||
(clist->voffset + (gint)clist->vadjustment->value) != 0)
{
clist->vadjustment->value = MAX (0, (LIST_HEIGHT (clist) -
clist->clist_window_height));
gtk_signal_emit_by_name (GTK_OBJECT (clist->vadjustment),
"value_changed");
}
gtk_signal_emit_by_name (GTK_OBJECT (clist->vadjustment), "changed");
}
if (clist->hadjustment)
{
clist->hadjustment->page_size = clist->clist_window_width;
clist->hadjustment->step_increment = 10;
clist->hadjustment->page_increment =
MAX (clist->hadjustment->page_size - clist->hadjustment->step_increment,
clist->hadjustment->page_size / 2);
clist->hadjustment->lower = 0;
clist->hadjustment->upper = LIST_WIDTH (clist);
if (clist->clist_window_width - clist->hoffset > LIST_WIDTH (clist) ||
(clist->hoffset + (gint)clist->hadjustment->value) != 0)
{
clist->hadjustment->value = MAX (0, (LIST_WIDTH (clist) -
clist->clist_window_width));
gtk_signal_emit_by_name (GTK_OBJECT (clist->hadjustment),
"value_changed");
}
gtk_signal_emit_by_name (GTK_OBJECT (clist->hadjustment), "changed");
}
if (!block_resize && (!clist->vadjustment || !clist->hadjustment))
{
GtkWidget *widget;
GtkRequisition requisition;
widget = GTK_WIDGET (clist);
gtk_widget_size_request (widget, &requisition);
if ((!clist->hadjustment &&
requisition.width != widget->allocation.width) ||
(!clist->vadjustment &&
requisition.height != widget->allocation.height))
gtk_widget_queue_resize (widget);
}
}
static void
vadjustment_changed (GtkAdjustment *adjustment,
gpointer data)
{
GtkCList *clist;
g_return_if_fail (adjustment != NULL);
g_return_if_fail (data != NULL);
clist = GTK_CLIST (data);
}
static void
hadjustment_changed (GtkAdjustment *adjustment,
gpointer data)
{
GtkCList *clist;
g_return_if_fail (adjustment != NULL);
g_return_if_fail (data != NULL);
clist = GTK_CLIST (data);
}
static void
vadjustment_value_changed (GtkAdjustment *adjustment,
gpointer data)
{
GtkCList *clist;
gint dy, value;
g_return_if_fail (adjustment != NULL);
g_return_if_fail (GTK_IS_CLIST (data));
clist = GTK_CLIST (data);
if (adjustment != clist->vadjustment)
return;
value = -adjustment->value;
dy = value - clist->voffset;
clist->voffset = value;
if (GTK_WIDGET_DRAWABLE (clist))
{
gdk_window_scroll (clist->clist_window, 0, dy);
gdk_window_process_updates (clist->clist_window, FALSE);
}
return;
}
typedef struct
{
GdkWindow *window;
gint dx;
} ScrollData;
/* The window to which widget->window is relative */
#define ALLOCATION_WINDOW(widget) \
(GTK_WIDGET_NO_WINDOW (widget) ? \
(widget)->window : \
gdk_window_get_parent ((widget)->window))
static void
adjust_allocation_recurse (GtkWidget *widget,
gpointer data)
{
ScrollData *scroll_data = data;
if (!GTK_WIDGET_REALIZED (widget))
{
if (GTK_WIDGET_VISIBLE (widget))
{
GdkRectangle tmp_rectangle = widget->allocation;
tmp_rectangle.x += scroll_data->dx;
gtk_widget_size_allocate (widget, &tmp_rectangle);
}
}
else
{
if (ALLOCATION_WINDOW (widget) == scroll_data->window)
{
widget->allocation.x += scroll_data->dx;
if (GTK_IS_CONTAINER (widget))
gtk_container_forall (GTK_CONTAINER (widget),
adjust_allocation_recurse,
data);
}
}
}
static void
adjust_allocation (GtkWidget *widget,
gint dx)
{
ScrollData scroll_data;
if (GTK_WIDGET_REALIZED (widget))
scroll_data.window = ALLOCATION_WINDOW (widget);
else
scroll_data.window = NULL;
scroll_data.dx = dx;
adjust_allocation_recurse (widget, &scroll_data);
}
static void
hadjustment_value_changed (GtkAdjustment *adjustment,
gpointer data)
{
GtkCList *clist;
GtkContainer *container;
GdkRectangle area;
gint i;
gint y = 0;
gint value;
gint dx;
g_return_if_fail (adjustment != NULL);
g_return_if_fail (GTK_IS_CLIST (data));
clist = GTK_CLIST (data);
container = GTK_CONTAINER (data);
if (adjustment != clist->hadjustment)
return;
value = adjustment->value;
dx = -value - clist->hoffset;
if (GTK_WIDGET_REALIZED (clist))
gdk_window_scroll (clist->title_window, dx, 0);
/* adjust the column button's allocations */
for (i = 0; i < clist->columns; i++)
if (clist->column[i].button)
adjust_allocation (clist->column[i].button, dx);
clist->hoffset = -value;
if (GTK_WIDGET_DRAWABLE (clist))
{
if (GTK_WIDGET_CAN_FOCUS(clist) && GTK_WIDGET_HAS_FOCUS(clist) &&
!container->focus_child && GTK_CLIST_ADD_MODE(clist))
{
y = ROW_TOP_YPIXEL (clist, clist->focus_row);
gdk_draw_rectangle (clist->clist_window, clist->xor_gc, FALSE, 0, y,
clist->clist_window_width - 1,
clist->row_height - 1);
}
gdk_window_scroll (clist->clist_window, dx, 0);
gdk_window_process_updates (clist->clist_window, FALSE);
if (GTK_WIDGET_CAN_FOCUS(clist) && GTK_WIDGET_HAS_FOCUS(clist) &&
!container->focus_child)
{
if (GTK_CLIST_ADD_MODE(clist))
{
gint focus_row;
focus_row = clist->focus_row;
clist->focus_row = -1;
draw_rows (clist, &area);
clist->focus_row = focus_row;
gdk_draw_rectangle (clist->clist_window, clist->xor_gc,
FALSE, 0, y, clist->clist_window_width - 1,
clist->row_height - 1);
return;
}
else if (ABS(dx) < clist->clist_window_width - 1)
{
gint x0;
gint x1;
if (dx > 0)
{
x0 = clist->clist_window_width - 1;
x1 = dx;
}
else
{
x0 = 0;
x1 = clist->clist_window_width - 1 + dx;
}
y = ROW_TOP_YPIXEL (clist, clist->focus_row);
gdk_draw_line (clist->clist_window, clist->xor_gc,
x0, y + 1, x0, y + clist->row_height - 2);
gdk_draw_line (clist->clist_window, clist->xor_gc,
x1, y + 1, x1, y + clist->row_height - 2);
}
}
}
}
/* PRIVATE
* Memory Allocation/Distruction Routines for GtkCList stuctures
*
* functions:
* columns_new
* column_title_new
* columns_delete
* row_new
* row_delete
*/
static GtkCListColumn *
columns_new (GtkCList *clist)
{
GtkCListColumn *column;
gint i;
column = g_new (GtkCListColumn, clist->columns);
for (i = 0; i < clist->columns; i++)
{
column[i].area.x = 0;
column[i].area.y = 0;
column[i].area.width = 0;
column[i].area.height = 0;
column[i].title = NULL;
column[i].button = NULL;
column[i].window = NULL;
column[i].width = 0;
column[i].min_width = -1;
column[i].max_width = -1;
column[i].visible = TRUE;
column[i].width_set = FALSE;
column[i].resizeable = TRUE;
column[i].auto_resize = FALSE;
column[i].button_passive = FALSE;
column[i].justification = GTK_JUSTIFY_LEFT;
}
return column;
}
static void
column_title_new (GtkCList *clist,
gint column,
const gchar *title)
{
g_free (clist->column[column].title);
clist->column[column].title = g_strdup (title);
}
static void
columns_delete (GtkCList *clist)
{
gint i;
for (i = 0; i < clist->columns; i++)
g_free (clist->column[i].title);
g_free (clist->column);
}
static GtkCListRow *
row_new (GtkCList *clist)
{
int i;
GtkCListRow *clist_row;
clist_row = g_slice_new (GtkCListRow);
clist_row->cell = g_slice_alloc (sizeof (GtkCell) * clist->columns);
for (i = 0; i < clist->columns; i++)
{
clist_row->cell[i].type = GTK_CELL_EMPTY;
clist_row->cell[i].vertical = 0;
clist_row->cell[i].horizontal = 0;
clist_row->cell[i].style = NULL;
}
clist_row->fg_set = FALSE;
clist_row->bg_set = FALSE;
clist_row->style = NULL;
clist_row->selectable = TRUE;
clist_row->state = GTK_STATE_NORMAL;
clist_row->data = NULL;
clist_row->destroy = NULL;
return clist_row;
}
static void
row_delete (GtkCList *clist,
GtkCListRow *clist_row)
{
gint i;
for (i = 0; i < clist->columns; i++)
{
GTK_CLIST_GET_CLASS (clist)->set_cell_contents
(clist, clist_row, i, GTK_CELL_EMPTY, NULL, 0, NULL, NULL);
if (clist_row->cell[i].style)
{
if (GTK_WIDGET_REALIZED (clist))
gtk_style_detach (clist_row->cell[i].style);
g_object_unref (clist_row->cell[i].style);
}
}
if (clist_row->style)
{
if (GTK_WIDGET_REALIZED (clist))
gtk_style_detach (clist_row->style);
g_object_unref (clist_row->style);
}
if (clist_row->destroy)
clist_row->destroy (clist_row->data);
g_slice_free1 (sizeof (GtkCell) * clist->columns, clist_row->cell);
g_slice_free (GtkCListRow, clist_row);
}
/* FOCUS FUNCTIONS
* gtk_clist_focus_content_area
* gtk_clist_focus
* gtk_clist_draw_focus
* gtk_clist_focus_in
* gtk_clist_focus_out
* title_focus
*/
static void
gtk_clist_focus_content_area (GtkCList *clist)
{
if (clist->focus_row < 0)
{
clist->focus_row = 0;
if ((clist->selection_mode == GTK_SELECTION_BROWSE ||
clist->selection_mode == GTK_SELECTION_MULTIPLE) &&
!clist->selection)
gtk_signal_emit (GTK_OBJECT (clist),
clist_signals[SELECT_ROW],
clist->focus_row, -1, NULL);
}
gtk_widget_grab_focus (GTK_WIDGET (clist));
}
static gboolean
gtk_clist_focus (GtkWidget *widget,
GtkDirectionType direction)
{
GtkCList *clist = GTK_CLIST (widget);
GtkWidget *focus_child;
gboolean is_current_focus;
if (!GTK_WIDGET_IS_SENSITIVE (widget))
return FALSE;
focus_child = GTK_CONTAINER (widget)->focus_child;
is_current_focus = gtk_widget_is_focus (GTK_WIDGET (clist));
if (focus_child &&
gtk_widget_child_focus (focus_child, direction))
return TRUE;
switch (direction)
{
case GTK_DIR_LEFT:
case GTK_DIR_RIGHT:
if (focus_child)
{
if (title_focus_move (clist, direction))
return TRUE;
}
else if (!is_current_focus)
{
gtk_clist_focus_content_area (clist);
return TRUE;
}
break;
case GTK_DIR_DOWN:
case GTK_DIR_TAB_FORWARD:
if (!focus_child && !is_current_focus)
{
if (title_focus_in (clist, direction))
return TRUE;
}
if (!is_current_focus && clist->rows)
{
gtk_clist_focus_content_area (clist);
return TRUE;
}
break;
case GTK_DIR_UP:
case GTK_DIR_TAB_BACKWARD:
if (!focus_child && is_current_focus)
{
if (title_focus_in (clist, direction))
return TRUE;
}
if (!is_current_focus && !focus_child && clist->rows)
{
gtk_clist_focus_content_area (clist);
return TRUE;
}
break;
default:
break;
}
return FALSE;
}
static void
gtk_clist_set_focus_child (GtkContainer *container,
GtkWidget *child)
{
GtkCList *clist = GTK_CLIST (container);
gint i;
for (i = 0; i < clist->columns; i++)
if (clist->column[i].button == child)
clist->focus_header_column = i;
parent_class->set_focus_child (container, child);
}
static void
gtk_clist_draw_focus (GtkWidget *widget)
{
GtkCList *clist;
g_return_if_fail (GTK_IS_CLIST (widget));
if (!GTK_WIDGET_DRAWABLE (widget) || !GTK_WIDGET_CAN_FOCUS (widget))
return;
clist = GTK_CLIST (widget);
if (clist->focus_row >= 0)
gdk_draw_rectangle (clist->clist_window, clist->xor_gc, FALSE,
0, ROW_TOP_YPIXEL(clist, clist->focus_row),
clist->clist_window_width - 1,
clist->row_height - 1);
}
static gint
gtk_clist_focus_in (GtkWidget *widget,
GdkEventFocus *event)
{
GtkCList *clist = GTK_CLIST (widget);
if (clist->selection_mode == GTK_SELECTION_BROWSE &&
clist->selection == NULL && clist->focus_row > -1)
{
GList *list;
list = g_list_nth (clist->row_list, clist->focus_row);
if (list && GTK_CLIST_ROW (list)->selectable)
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW],
clist->focus_row, -1, event);
else
gtk_clist_draw_focus (widget);
}
else
gtk_clist_draw_focus (widget);
return FALSE;
}
static gint
gtk_clist_focus_out (GtkWidget *widget,
GdkEventFocus *event)
{
GtkCList *clist = GTK_CLIST (widget);
gtk_clist_draw_focus (widget);
GTK_CLIST_GET_CLASS (widget)->resync_selection (clist, (GdkEvent *) event);
return FALSE;
}
static gboolean
focus_column (GtkCList *clist, gint column, gint dir)
{
GtkWidget *child = clist->column[column].button;
if (gtk_widget_child_focus (child, dir))
{
return TRUE;
}
else if (GTK_WIDGET_CAN_FOCUS (child))
{
gtk_widget_grab_focus (child);
return TRUE;
}
return FALSE;
}
/* Focus moved onto the headers. Focus first focusable and visible child.
* (FIXME: focus the last focused child if visible)
*/
static gboolean
title_focus_in (GtkCList *clist, gint dir)
{
gint i;
gint left, right;
if (!GTK_CLIST_SHOW_TITLES (clist))
return FALSE;
/* Check last focused column */
if (clist->focus_header_column != -1)
{
i = clist->focus_header_column;
left = COLUMN_LEFT_XPIXEL (clist, i);
right = left + clist->column[i].area.width;
if (left >= 0 && right <= clist->clist_window_width)
{
if (focus_column (clist, i, dir))
return TRUE;
}
}
/* Check fully visible columns */
for (i = 0 ; i < clist->columns ; i++)
{
left = COLUMN_LEFT_XPIXEL (clist, i);
right = left + clist->column[i].area.width;
if (left >= 0 && right <= clist->clist_window_width)
{
if (focus_column (clist, i, dir))
return TRUE;
}
}
/* Check partially visible columns */
for (i = 0 ; i < clist->columns ; i++)
{
left = COLUMN_LEFT_XPIXEL (clist, i);
right = left + clist->column[i].area.width;
if ((left < 0 && right > 0) ||
(left < clist->clist_window_width && right > clist->clist_window_width))
{
if (focus_column (clist, i, dir))
return TRUE;
}
}
return FALSE;
}
/* Move the focus right or left within the title buttons, scrolling
* as necessary to keep the focused child visible.
*/
static gboolean
title_focus_move (GtkCList *clist,
gint dir)
{
GtkWidget *focus_child;
gboolean return_val = FALSE;
gint d = 0;
gint i = -1;
gint j;
if (!GTK_CLIST_SHOW_TITLES(clist))
return FALSE;
focus_child = GTK_CONTAINER (clist)->focus_child;
g_assert (focus_child);
/* Movement direction within headers
*/
switch (dir)
{
case GTK_DIR_RIGHT:
d = 1;
break;
case GTK_DIR_LEFT:
d = -1;
break;
}
for (i = 0; i < clist->columns; i++)
if (clist->column[i].button == focus_child)
break;
g_assert (i != -1); /* Have a starting column */
j = i + d;
while (!return_val && j >= 0 && j < clist->columns)
{
if (clist->column[j].button &&
GTK_WIDGET_VISIBLE (clist->column[j].button))
{
if (focus_column (clist, j, dir))
{
return_val = TRUE;
break;
}
}
j += d;
}
/* If we didn't find it, wrap around and keep looking
*/
if (!return_val)
{
j = d > 0 ? 0 : clist->columns - 1;
while (!return_val && j != i)
{
if (clist->column[j].button &&
GTK_WIDGET_VISIBLE (clist->column[j].button))
{
if (focus_column (clist, j, dir))
{
return_val = TRUE;
break;
}
}
j += d;
}
}
/* Scroll horizontally so focused column is visible
*/
if (return_val)
{
if (COLUMN_LEFT_XPIXEL (clist, j) < CELL_SPACING + COLUMN_INSET)
gtk_clist_moveto (clist, -1, j, 0, 0);
else if (COLUMN_LEFT_XPIXEL(clist, j) + clist->column[j].area.width >
clist->clist_window_width)
{
gint last_column;
for (last_column = clist->columns - 1;
last_column >= 0 && !clist->column[last_column].visible; last_column--);
if (j == last_column)
gtk_clist_moveto (clist, -1, j, 0, 0);
else
gtk_clist_moveto (clist, -1, j, 0, 1);
}
}
return TRUE; /* Even if we didn't find a new one, we can keep the
* focus in the same place.
*/
}
/* PRIVATE SCROLLING FUNCTIONS
* move_focus_row
* scroll_horizontal
* scroll_vertical
* move_horizontal
* move_vertical
* horizontal_timeout
* vertical_timeout
* remove_grab
*/
static void
move_focus_row (GtkCList *clist,
GtkScrollType scroll_type,
gfloat position)
{
GtkWidget *widget;
g_return_if_fail (clist != 0);
g_return_if_fail (GTK_IS_CLIST (clist));
widget = GTK_WIDGET (clist);
switch (scroll_type)
{
case GTK_SCROLL_STEP_UP:
case GTK_SCROLL_STEP_BACKWARD:
if (clist->focus_row <= 0)
return;
gtk_clist_draw_focus (widget);
clist->focus_row--;
gtk_clist_draw_focus (widget);
break;
case GTK_SCROLL_STEP_DOWN:
case GTK_SCROLL_STEP_FORWARD:
if (clist->focus_row >= clist->rows - 1)
return;
gtk_clist_draw_focus (widget);
clist->focus_row++;
gtk_clist_draw_focus (widget);
break;
case GTK_SCROLL_PAGE_UP:
case GTK_SCROLL_PAGE_BACKWARD:
if (clist->focus_row <= 0)
return;
gtk_clist_draw_focus (widget);
clist->focus_row = MAX (0, clist->focus_row -
(2 * clist->clist_window_height -
clist->row_height - CELL_SPACING) /
(2 * (clist->row_height + CELL_SPACING)));
gtk_clist_draw_focus (widget);
break;
case GTK_SCROLL_PAGE_DOWN:
case GTK_SCROLL_PAGE_FORWARD:
if (clist->focus_row >= clist->rows - 1)
return;
gtk_clist_draw_focus (widget);
clist->focus_row = MIN (clist->rows - 1, clist->focus_row +
(2 * clist->clist_window_height -
clist->row_height - CELL_SPACING) /
(2 * (clist->row_height + CELL_SPACING)));
gtk_clist_draw_focus (widget);
break;
case GTK_SCROLL_JUMP:
if (position >= 0 && position <= 1)
{
gtk_clist_draw_focus (widget);
clist->focus_row = position * (clist->rows - 1);
gtk_clist_draw_focus (widget);
}
break;
default:
break;
}
}
static void
scroll_horizontal (GtkCList *clist,
GtkScrollType scroll_type,
gfloat position)
{
gint column = 0;
gint last_column;
g_return_if_fail (clist != 0);
g_return_if_fail (GTK_IS_CLIST (clist));
if (clist_has_grab (clist))
return;
for (last_column = clist->columns - 1;
last_column >= 0 && !clist->column[last_column].visible; last_column--)
;
switch (scroll_type)
{
case GTK_SCROLL_STEP_BACKWARD:
column = COLUMN_FROM_XPIXEL (clist, 0);
if (COLUMN_LEFT_XPIXEL (clist, column) - CELL_SPACING - COLUMN_INSET >= 0
&& column > 0)
column--;
break;
case GTK_SCROLL_STEP_FORWARD:
column = COLUMN_FROM_XPIXEL (clist, clist->clist_window_width);
if (column < 0)
return;
if (COLUMN_LEFT_XPIXEL (clist, column) +
clist->column[column].area.width +
CELL_SPACING + COLUMN_INSET - 1 <= clist->clist_window_width &&
column < last_column)
column++;
break;
case GTK_SCROLL_PAGE_BACKWARD:
case GTK_SCROLL_PAGE_FORWARD:
return;
case GTK_SCROLL_JUMP:
if (position >= 0 && position <= 1)
{
gint vis_columns = 0;
gint i;
for (i = 0; i <= last_column; i++)
if (clist->column[i].visible)
vis_columns++;
column = position * vis_columns;
for (i = 0; i <= last_column && column > 0; i++)
if (clist->column[i].visible)
column--;
column = i;
}
else
return;
break;
default:
break;
}
if (COLUMN_LEFT_XPIXEL (clist, column) < CELL_SPACING + COLUMN_INSET)
gtk_clist_moveto (clist, -1, column, 0, 0);
else if (COLUMN_LEFT_XPIXEL (clist, column) + CELL_SPACING + COLUMN_INSET - 1
+ clist->column[column].area.width > clist->clist_window_width)
{
if (column == last_column)
gtk_clist_moveto (clist, -1, column, 0, 0);
else
gtk_clist_moveto (clist, -1, column, 0, 1);
}
}
static void
scroll_vertical (GtkCList *clist,
GtkScrollType scroll_type,
gfloat position)
{
gint old_focus_row;
g_return_if_fail (GTK_IS_CLIST (clist));
if (clist_has_grab (clist))
return;
switch (clist->selection_mode)
{
case GTK_SELECTION_MULTIPLE:
if (clist->anchor >= 0)
return;
case GTK_SELECTION_BROWSE:
old_focus_row = clist->focus_row;
move_focus_row (clist, scroll_type, position);
if (old_focus_row != clist->focus_row)
{
if (clist->selection_mode == GTK_SELECTION_BROWSE)
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[UNSELECT_ROW],
old_focus_row, -1, NULL);
else if (!GTK_CLIST_ADD_MODE(clist))
{
gtk_clist_unselect_all (clist);
clist->undo_anchor = old_focus_row;
}
}
switch (gtk_clist_row_is_visible (clist, clist->focus_row))
{
case GTK_VISIBILITY_NONE:
if (old_focus_row != clist->focus_row &&
!(clist->selection_mode == GTK_SELECTION_MULTIPLE &&
GTK_CLIST_ADD_MODE(clist)))
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW],
clist->focus_row, -1, NULL);
switch (scroll_type)
{
case GTK_SCROLL_PAGE_UP:
case GTK_SCROLL_STEP_UP:
case GTK_SCROLL_STEP_BACKWARD:
case GTK_SCROLL_PAGE_BACKWARD:
gtk_clist_moveto (clist, clist->focus_row, -1, 0, 0);
break;
case GTK_SCROLL_PAGE_DOWN:
case GTK_SCROLL_STEP_DOWN:
case GTK_SCROLL_STEP_FORWARD:
case GTK_SCROLL_PAGE_FORWARD:
gtk_clist_moveto (clist, clist->focus_row, -1, 1, 0);
break;
case GTK_SCROLL_JUMP:
gtk_clist_moveto (clist, clist->focus_row, -1, 0.5, 0);
break;
default:
break;
}
break;
case GTK_VISIBILITY_PARTIAL:
switch (scroll_type)
{
case GTK_SCROLL_STEP_BACKWARD:
case GTK_SCROLL_PAGE_BACKWARD:
gtk_clist_moveto (clist, clist->focus_row, -1, 0, 0);
break;
case GTK_SCROLL_STEP_FORWARD:
case GTK_SCROLL_PAGE_FORWARD:
gtk_clist_moveto (clist, clist->focus_row, -1, 1, 0);
break;
case GTK_SCROLL_JUMP:
gtk_clist_moveto (clist, clist->focus_row, -1, 0.5, 0);
break;
default:
break;
}
default:
if (old_focus_row != clist->focus_row &&
!(clist->selection_mode == GTK_SELECTION_MULTIPLE &&
GTK_CLIST_ADD_MODE(clist)))
gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW],
clist->focus_row, -1, NULL);
break;
}
break;
default:
move_focus_row (clist, scroll_type, position);
if (ROW_TOP_YPIXEL (clist, clist->focus_row) + clist->row_height >
clist->clist_window_height)
gtk_clist_moveto (clist, clist->focus_row, -1, 1, 0);
else if (ROW_TOP_YPIXEL (clist, clist->focus_row) < 0)
gtk_clist_moveto (clist, clist->focus_row, -1, 0, 0);
break;
}
}
static void
move_horizontal (GtkCList *clist,
gint diff)
{
gdouble value;
if (!clist->hadjustment)
return;
value = CLAMP (clist->hadjustment->value + diff, 0.0,
clist->hadjustment->upper - clist->hadjustment->page_size);
gtk_adjustment_set_value (clist->hadjustment, value);
}
static void
move_vertical (GtkCList *clist,
gint row,
gfloat align)
{
gdouble value;
if (!clist->vadjustment)
return;
value = (ROW_TOP_YPIXEL (clist, row) - clist->voffset -
align * (clist->clist_window_height - clist->row_height) +
(2 * align - 1) * CELL_SPACING);
if (value + clist->vadjustment->page_size > clist->vadjustment->upper)
value = clist->vadjustment->upper - clist->vadjustment->page_size;
gtk_adjustment_set_value (clist->vadjustment, value);
}
static void
do_fake_motion (GtkWidget *widget)
{
GdkEvent *event = gdk_event_new (GDK_MOTION_NOTIFY);
event->motion.send_event = TRUE;
gtk_clist_motion (widget, (GdkEventMotion *)event);
gdk_event_free (event);
}
static gint
horizontal_timeout (GtkCList *clist)
{
clist->htimer = 0;
do_fake_motion (GTK_WIDGET (clist));
return FALSE;
}
static gint
vertical_timeout (GtkCList *clist)
{
clist->vtimer = 0;
do_fake_motion (GTK_WIDGET (clist));
return FALSE;
}
static void
remove_grab (GtkCList *clist)
{
GtkWidget *widget = GTK_WIDGET (clist);
if (GTK_WIDGET_HAS_GRAB (clist))
{
GdkDisplay *display = gtk_widget_get_display (widget);
gtk_grab_remove (widget);
if (gdk_display_pointer_is_grabbed (display))
gdk_display_pointer_ungrab (display, GDK_CURRENT_TIME);
}
if (clist->htimer)
{
g_source_remove (clist->htimer);
clist->htimer = 0;
}
if (clist->vtimer)
{
g_source_remove (clist->vtimer);
clist->vtimer = 0;
}
}
/* PUBLIC SORTING FUNCTIONS
* gtk_clist_sort
* gtk_clist_set_compare_func
* gtk_clist_set_auto_sort
* gtk_clist_set_sort_type
* gtk_clist_set_sort_column
*/
void
gtk_clist_sort (GtkCList *clist)
{
g_return_if_fail (GTK_IS_CLIST (clist));
GTK_CLIST_GET_CLASS (clist)->sort_list (clist);
}
void
gtk_clist_set_compare_func (GtkCList *clist,
GtkCListCompareFunc cmp_func)
{
g_return_if_fail (GTK_IS_CLIST (clist));
clist->compare = (cmp_func) ? cmp_func : default_compare;
}
void
gtk_clist_set_auto_sort (GtkCList *clist,
gboolean auto_sort)
{
g_return_if_fail (GTK_IS_CLIST (clist));
if (GTK_CLIST_AUTO_SORT(clist) && !auto_sort)
GTK_CLIST_UNSET_FLAG (clist, CLIST_AUTO_SORT);
else if (!GTK_CLIST_AUTO_SORT(clist) && auto_sort)
{
GTK_CLIST_SET_FLAG (clist, CLIST_AUTO_SORT);
gtk_clist_sort (clist);
}
}
void
gtk_clist_set_sort_type (GtkCList *clist,
GtkSortType sort_type)
{
g_return_if_fail (GTK_IS_CLIST (clist));
clist->sort_type = sort_type;
}
void
gtk_clist_set_sort_column (GtkCList *clist,
gint column)
{
g_return_if_fail (GTK_IS_CLIST (clist));
if (column < 0 || column >= clist->columns)
return;
clist->sort_column = column;
}
/* PRIVATE SORTING FUNCTIONS
* default_compare
* real_sort_list
* gtk_clist_merge
* gtk_clist_mergesort
*/
static gint
default_compare (GtkCList *clist,
gconstpointer ptr1,
gconstpointer ptr2)
{
char *text1 = NULL;
char *text2 = NULL;
GtkCListRow *row1 = (GtkCListRow *) ptr1;
GtkCListRow *row2 = (GtkCListRow *) ptr2;
switch (row1->cell[clist->sort_column].type)
{
case GTK_CELL_TEXT:
text1 = GTK_CELL_TEXT (row1->cell[clist->sort_column])->text;
break;
case GTK_CELL_PIXTEXT:
text1 = GTK_CELL_PIXTEXT (row1->cell[clist->sort_column])->text;
break;
default:
break;
}
switch (row2->cell[clist->sort_column].type)
{
case GTK_CELL_TEXT:
text2 = GTK_CELL_TEXT (row2->cell[clist->sort_column])->text;
break;
case GTK_CELL_PIXTEXT:
text2 = GTK_CELL_PIXTEXT (row2->cell[clist->sort_column])->text;
break;
default:
break;
}
if (!text2)
return (text1 != NULL);
if (!text1)
return -1;
return strcmp (text1, text2);
}
static void
real_sort_list (GtkCList *clist)
{
GList *list;
GList *work;
gint i;
g_return_if_fail (GTK_IS_CLIST (clist));
if (clist->rows <= 1)
return;
if (clist_has_grab (clist))
return;
gtk_clist_freeze (clist);
if (clist->anchor != -1 && clist->selection_mode == GTK_SELECTION_MULTIPLE)
{
GTK_CLIST_GET_CLASS (clist)->resync_selection (clist, NULL);
g_list_free (clist->undo_selection);
g_list_free (clist->undo_unselection);
clist->undo_selection = NULL;
clist->undo_unselection = NULL;
}
clist->row_list = gtk_clist_mergesort (clist, clist->row_list, clist->rows);
work = clist->selection;
for (i = 0, list = clist->row_list; i < clist->rows; i++, list = list->next)
{
if (GTK_CLIST_ROW (list)->state == GTK_STATE_SELECTED)
{
work->data = GINT_TO_POINTER (i);
work = work->next;
}
if (i == clist->rows - 1)
clist->row_list_end = list;
}
gtk_clist_thaw (clist);
}
static GList *
gtk_clist_merge (GtkCList *clist,
GList *a, /* first list to merge */
GList *b) /* second list to merge */
{
GList z = { 0 }; /* auxiliary node */
GList *c;
gint cmp;
c = &z;
while (a || b)
{
if (a && !b)
{
c->next = a;
a->prev = c;
c = a;
a = a->next;
break;
}
else if (!a && b)
{
c->next = b;
b->prev = c;
c = b;
b = b->next;
break;
}
else /* a && b */
{
cmp = clist->compare (clist, GTK_CLIST_ROW (a), GTK_CLIST_ROW (b));
if ((cmp >= 0 && clist->sort_type == GTK_SORT_DESCENDING) ||
(cmp <= 0 && clist->sort_type == GTK_SORT_ASCENDING) ||
(a && !b))
{
c->next = a;
a->prev = c;
c = a;
a = a->next;
}
else
{
c->next = b;
b->prev = c;
c = b;
b = b->next;
}
}
}
z.next->prev = NULL;
return z.next;
}
static GList *
gtk_clist_mergesort (GtkCList *clist,
GList *list, /* the list to sort */
gint num) /* the list's length */
{
GList *half;
gint i;
if (num <= 1)
{
return list;
}
else
{
/* move "half" to the middle */
half = list;
for (i = 0; i < num / 2; i++)
half = half->next;
/* cut the list in two */
half->prev->next = NULL;
half->prev = NULL;
/* recursively sort both lists */
return gtk_clist_merge (clist,
gtk_clist_mergesort (clist, list, num / 2),
gtk_clist_mergesort (clist, half, num - num / 2));
}
}
/************************/
static void
drag_source_info_destroy (gpointer data)
{
GtkCListCellInfo *info = data;
g_free (info);
}
static void
drag_dest_info_destroy (gpointer data)
{
GtkCListDestInfo *info = data;
g_free (info);
}
static void
drag_dest_cell (GtkCList *clist,
gint x,
gint y,
GtkCListDestInfo *dest_info)
{
GtkWidget *widget;
widget = GTK_WIDGET (clist);
dest_info->insert_pos = GTK_CLIST_DRAG_NONE;
y -= (GTK_CONTAINER (clist)->border_width +
widget->style->ythickness +
clist->column_title_area.height);
dest_info->cell.row = ROW_FROM_YPIXEL (clist, y);
if (dest_info->cell.row >= clist->rows)
{
dest_info->cell.row = clist->rows - 1;
y = ROW_TOP_YPIXEL (clist, dest_info->cell.row) + clist->row_height;
}
if (dest_info->cell.row < -1)
dest_info->cell.row = -1;
x -= GTK_CONTAINER (widget)->border_width + widget->style->xthickness;
dest_info->cell.column = COLUMN_FROM_XPIXEL (clist, x);
if (dest_info->cell.row >= 0)
{
gint y_delta;
gint h = 0;
y_delta = y - ROW_TOP_YPIXEL (clist, dest_info->cell.row);
if (GTK_CLIST_DRAW_DRAG_RECT(clist))
{
dest_info->insert_pos = GTK_CLIST_DRAG_INTO;
h = clist->row_height / 4;
}
else if (GTK_CLIST_DRAW_DRAG_LINE(clist))
{
dest_info->insert_pos = GTK_CLIST_DRAG_BEFORE;
h = clist->row_height / 2;
}
if (GTK_CLIST_DRAW_DRAG_LINE(clist))
{
if (y_delta < h)
dest_info->insert_pos = GTK_CLIST_DRAG_BEFORE;
else if (clist->row_height - y_delta < h)
dest_info->insert_pos = GTK_CLIST_DRAG_AFTER;
}
}
}
static void
gtk_clist_drag_begin (GtkWidget *widget,
GdkDragContext *context)
{
GtkCList *clist;
GtkCListCellInfo *info;
g_return_if_fail (GTK_IS_CLIST (widget));
g_return_if_fail (context != NULL);
clist = GTK_CLIST (widget);
clist->drag_button = 0;
remove_grab (clist);
switch (clist->selection_mode)
{
case GTK_SELECTION_MULTIPLE:
update_extended_selection (clist, clist->focus_row);
GTK_CLIST_GET_CLASS (clist)->resync_selection (clist, NULL);
break;
case GTK_SELECTION_SINGLE:
clist->anchor = -1;
case GTK_SELECTION_BROWSE:
break;
default:
g_assert_not_reached ();
}
info = g_dataset_get_data (context, "gtk-clist-drag-source");
if (!info)
{
info = g_new (GtkCListCellInfo, 1);
if (clist->click_cell.row < 0)
clist->click_cell.row = 0;
else if (clist->click_cell.row >= clist->rows)
clist->click_cell.row = clist->rows - 1;
info->row = clist->click_cell.row;
info->column = clist->click_cell.column;
g_dataset_set_data_full (context, "gtk-clist-drag-source", info,
drag_source_info_destroy);
}
if (GTK_CLIST_USE_DRAG_ICONS (clist))
gtk_drag_set_icon_default (context);
}
static void
gtk_clist_drag_end (GtkWidget *widget,
GdkDragContext *context)
{
GtkCList *clist;
g_return_if_fail (GTK_IS_CLIST (widget));
g_return_if_fail (context != NULL);
clist = GTK_CLIST (widget);
clist->click_cell.row = -1;
clist->click_cell.column = -1;
}
static void
gtk_clist_drag_leave (GtkWidget *widget,
GdkDragContext *context,
guint time)
{
GtkCList *clist;
GtkCListDestInfo *dest_info;
g_return_if_fail (GTK_IS_CLIST (widget));
g_return_if_fail (context != NULL);
clist = GTK_CLIST (widget);
dest_info = g_dataset_get_data (context, "gtk-clist-drag-dest");
if (dest_info)
{
if (dest_info->cell.row >= 0 &&
GTK_CLIST_REORDERABLE(clist) &&
gtk_drag_get_source_widget (context) == widget)
{
GList *list;
GdkAtom atom = gdk_atom_intern_static_string ("gtk-clist-drag-reorder");
list = context->targets;
while (list)
{
if (atom == GDK_POINTER_TO_ATOM (list->data))
{
GTK_CLIST_GET_CLASS (clist)->draw_drag_highlight
(clist,
g_list_nth (clist->row_list, dest_info->cell.row)->data,
dest_info->cell.row, dest_info->insert_pos);
clist->drag_highlight_row = -1;
break;
}
list = list->next;
}
}
g_dataset_remove_data (context, "gtk-clist-drag-dest");
}
}
static gint
gtk_clist_drag_motion (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time)
{
GtkCList *clist;
GtkCListDestInfo new_info;
GtkCListDestInfo *dest_info;
g_return_val_if_fail (GTK_IS_CLIST (widget), FALSE);
clist = GTK_CLIST (widget);
dest_info = g_dataset_get_data (context, "gtk-clist-drag-dest");
if (!dest_info)
{
dest_info = g_new (GtkCListDestInfo, 1);
dest_info->insert_pos = GTK_CLIST_DRAG_NONE;
dest_info->cell.row = -1;
dest_info->cell.column = -1;
g_dataset_set_data_full (context, "gtk-clist-drag-dest", dest_info,
drag_dest_info_destroy);
}
drag_dest_cell (clist, x, y, &new_info);
if (GTK_CLIST_REORDERABLE (clist))
{
GList *list;
GdkAtom atom = gdk_atom_intern_static_string ("gtk-clist-drag-reorder");
list = context->targets;
while (list)
{
if (atom == GDK_POINTER_TO_ATOM (list->data))
break;
list = list->next;
}
if (list)
{
if (gtk_drag_get_source_widget (context) != widget ||
new_info.insert_pos == GTK_CLIST_DRAG_NONE ||
new_info.cell.row == clist->click_cell.row ||
(new_info.cell.row == clist->click_cell.row - 1 &&
new_info.insert_pos == GTK_CLIST_DRAG_AFTER) ||
(new_info.cell.row == clist->click_cell.row + 1 &&
new_info.insert_pos == GTK_CLIST_DRAG_BEFORE))
{
if (dest_info->cell.row < 0)
{
gdk_drag_status (context, GDK_ACTION_DEFAULT, time);
return FALSE;
}
return TRUE;
}
if (new_info.cell.row != dest_info->cell.row ||
(new_info.cell.row == dest_info->cell.row &&
dest_info->insert_pos != new_info.insert_pos))
{
if (dest_info->cell.row >= 0)
GTK_CLIST_GET_CLASS (clist)->draw_drag_highlight
(clist, g_list_nth (clist->row_list,
dest_info->cell.row)->data,
dest_info->cell.row, dest_info->insert_pos);
dest_info->insert_pos = new_info.insert_pos;
dest_info->cell.row = new_info.cell.row;
dest_info->cell.column = new_info.cell.column;
GTK_CLIST_GET_CLASS (clist)->draw_drag_highlight
(clist, g_list_nth (clist->row_list,
dest_info->cell.row)->data,
dest_info->cell.row, dest_info->insert_pos);
clist->drag_highlight_row = dest_info->cell.row;
clist->drag_highlight_pos = dest_info->insert_pos;
gdk_drag_status (context, context->suggested_action, time);
}
return TRUE;
}
}
dest_info->insert_pos = new_info.insert_pos;
dest_info->cell.row = new_info.cell.row;
dest_info->cell.column = new_info.cell.column;
return TRUE;
}
static gboolean
gtk_clist_drag_drop (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time)
{
g_return_val_if_fail (GTK_IS_CLIST (widget), FALSE);
g_return_val_if_fail (context != NULL, FALSE);
if (GTK_CLIST_REORDERABLE (widget) &&
gtk_drag_get_source_widget (context) == widget)
{
GList *list;
GdkAtom atom = gdk_atom_intern_static_string ("gtk-clist-drag-reorder");
list = context->targets;
while (list)
{
if (atom == GDK_POINTER_TO_ATOM (list->data))
return TRUE;
list = list->next;
}
}
return FALSE;
}
static void
gtk_clist_drag_data_received (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
GtkSelectionData *selection_data,
guint info,
guint time)
{
GtkCList *clist;
g_return_if_fail (GTK_IS_CLIST (widget));
g_return_if_fail (context != NULL);
g_return_if_fail (selection_data != NULL);
clist = GTK_CLIST (widget);
if (GTK_CLIST_REORDERABLE (clist) &&
gtk_drag_get_source_widget (context) == widget &&
selection_data->target ==
gdk_atom_intern_static_string ("gtk-clist-drag-reorder") &&
selection_data->format == 8 &&
selection_data->length == sizeof (GtkCListCellInfo))
{
GtkCListCellInfo *source_info;
source_info = (GtkCListCellInfo *)(selection_data->data);
if (source_info)
{
GtkCListDestInfo dest_info;
drag_dest_cell (clist, x, y, &dest_info);
if (dest_info.insert_pos == GTK_CLIST_DRAG_AFTER)
dest_info.cell.row++;
if (source_info->row < dest_info.cell.row)
dest_info.cell.row--;
if (dest_info.cell.row != source_info->row)
gtk_clist_row_move (clist, source_info->row, dest_info.cell.row);
g_dataset_remove_data (context, "gtk-clist-drag-dest");
}
}
}
static void
gtk_clist_drag_data_get (GtkWidget *widget,
GdkDragContext *context,
GtkSelectionData *selection_data,
guint info,
guint time)
{
g_return_if_fail (GTK_IS_CLIST (widget));
g_return_if_fail (context != NULL);
g_return_if_fail (selection_data != NULL);
if (selection_data->target == gdk_atom_intern_static_string ("gtk-clist-drag-reorder"))
{
GtkCListCellInfo *info;
info = g_dataset_get_data (context, "gtk-clist-drag-source");
if (info)
{
GtkCListCellInfo ret_info;
ret_info.row = info->row;
ret_info.column = info->column;
gtk_selection_data_set (selection_data, selection_data->target,
8, (guchar *) &ret_info,
sizeof (GtkCListCellInfo));
}
}
}
static void
draw_drag_highlight (GtkCList *clist,
GtkCListRow *dest_row,
gint dest_row_number,
GtkCListDragPos drag_pos)
{
gint y;
y = ROW_TOP_YPIXEL (clist, dest_row_number) - 1;
switch (drag_pos)
{
case GTK_CLIST_DRAG_NONE:
break;
case GTK_CLIST_DRAG_AFTER:
y += clist->row_height + 1;
case GTK_CLIST_DRAG_BEFORE:
gdk_draw_line (clist->clist_window, clist->xor_gc,
0, y, clist->clist_window_width, y);
break;
case GTK_CLIST_DRAG_INTO:
gdk_draw_rectangle (clist->clist_window, clist->xor_gc, FALSE, 0, y,
clist->clist_window_width - 1, clist->row_height);
break;
}
}
void
gtk_clist_set_reorderable (GtkCList *clist,
gboolean reorderable)
{
GtkWidget *widget;
g_return_if_fail (GTK_IS_CLIST (clist));
if ((GTK_CLIST_REORDERABLE(clist) != 0) == reorderable)
return;
widget = GTK_WIDGET (clist);
if (reorderable)
{
GTK_CLIST_SET_FLAG (clist, CLIST_REORDERABLE);
gtk_drag_dest_set (widget,
GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
&clist_target_table, 1, GDK_ACTION_MOVE);
}
else
{
GTK_CLIST_UNSET_FLAG (clist, CLIST_REORDERABLE);
gtk_drag_dest_unset (GTK_WIDGET (clist));
}
}
void
gtk_clist_set_use_drag_icons (GtkCList *clist,
gboolean use_icons)
{
g_return_if_fail (GTK_IS_CLIST (clist));
if (use_icons != 0)
GTK_CLIST_SET_FLAG (clist, CLIST_USE_DRAG_ICONS);
else
GTK_CLIST_UNSET_FLAG (clist, CLIST_USE_DRAG_ICONS);
}
void
gtk_clist_set_button_actions (GtkCList *clist,
guint button,
guint8 button_actions)
{
g_return_if_fail (GTK_IS_CLIST (clist));
if (button < MAX_BUTTON)
{
if (gdk_display_pointer_is_grabbed (gtk_widget_get_display (GTK_WIDGET (clist))) ||
GTK_WIDGET_HAS_GRAB (clist))
{
remove_grab (clist);
clist->drag_button = 0;
}
GTK_CLIST_GET_CLASS (clist)->resync_selection (clist, NULL);
clist->button_actions[button] = button_actions;
}
}
#define __GTK_CLIST_C__
#include "gtkaliasdef.c"
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