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cb12593d57
gtk2/gtk/gtkctree.c
Stefan Jeske cb12593d57 Started documentation of GtkCTree.
1998-05-10 17:05:39 +00:00

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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>
*
* GtkCTree widget for GTK+
* Copyright (C) 1998 Lars Hamann and Stefan Jeske
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library 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.
*/
#include <stdlib.h>
#include "gtkctree.h"
#include <gdk/gdkx.h>
#define PM_SIZE 8
#define CELL_SPACING 1
#define CLIST_OPTIMUM_SIZE 512
#define COLUMN_INSET 3
#define DRAG_WIDTH 6
#define ROW_TOP_YPIXEL(clist, row) (((clist)->row_height * (row)) + \
(((row) + 1) * CELL_SPACING) + \
(clist)->voffset)
#define ROW_FROM_YPIXEL(clist, y) (((y) - (clist)->voffset) / \
((clist)->row_height + CELL_SPACING))
#define COLUMN_LEFT_XPIXEL(clist, col) ((clist)->column[(col)].area.x \
+ (clist)->hoffset)
#define COLUMN_LEFT(clist, column) ((clist)->column[(column)].area.x)
static void gtk_ctree_class_init (GtkCTreeClass *klass);
static void gtk_ctree_init (GtkCTree *ctree);
static void gtk_ctree_destroy (GtkObject *object);
static void gtk_ctree_realize (GtkWidget *widget);
static void gtk_ctree_unrealize (GtkWidget *widget);
static gint gtk_ctree_button_press (GtkWidget *widget,
GdkEventButton *event);
static gint gtk_ctree_button_release (GtkWidget *widget,
GdkEventButton *event);
static gint gtk_ctree_button_motion (GtkWidget *widget,
GdkEventMotion *event);
static void draw_row (GtkCList *clist,
GdkRectangle *area,
gint row,
GtkCListRow *clist_row);
static void create_xor_gc (GtkCTree *ctree);
static void draw_xor_line (GtkCTree *ctree);
static void draw_xor_rect (GtkCTree *ctree);
static void create_drag_icon (GtkCTree *ctree,
GtkCTreeRow *row);
static void tree_draw_row (GtkCTree *ctree,
GList *row);
static void cell_empty (GtkCList *clist,
GtkCListRow *clist_row,
gint column);
static void cell_set_text (GtkCList *clist,
GtkCListRow *clist_row,
gint column,
gchar *text);
static void cell_set_pixmap (GtkCList *clist,
GtkCListRow *clist_row,
gint column,
GdkPixmap *pixmap,
GdkBitmap *mask);
static void cell_set_pixtext (GtkCList *clist,
GtkCListRow *clist_row,
gint column,
gchar *text,
guint8 spacing,
GdkPixmap *pixmap,
GdkBitmap *mask);
static void set_node_info (GtkCTree *ctree,
GList *node,
gchar *text,
guint8 spacing,
GdkPixmap *pixmap_closed,
GdkBitmap *mask_closed,
GdkPixmap *pixmap_opened,
GdkBitmap *mask_opened,
gboolean is_leaf,
gboolean expanded);
static GtkCTreeRow *row_new (GtkCTree *ctree);
static void row_delete (GtkCTree *ctree,
GtkCTreeRow *ctree_row);
static void tree_delete (GtkCTree *ctree,
GList *node,
gpointer data);
static void tree_delete_row (GtkCTree *ctree,
GList *node,
gpointer data);
static void tree_update_level (GtkCTree *ctree,
GList *node,
gpointer data);
static void tree_select (GtkCTree *ctree,
GList *node,
gpointer data);
static void tree_unselect (GtkCTree *ctree,
GList *node,
gpointer data);
static void tree_expand (GtkCTree *ctree,
GList *node,
gpointer data);
static void tree_collapse (GtkCTree *ctree,
GList *node,
gpointer data);
static void real_tree_select (GtkCTree *ctree,
GList *node,
gint column);
static void real_tree_unselect (GtkCTree *ctree,
GList *node,
gint column);
static void tree_toggle_selection (GtkCTree *ctree,
GList *node,
gint column);
static void real_tree_expand (GtkCTree *ctree,
GList *node);
static void real_tree_collapse (GtkCTree *ctree,
GList *node);
static void real_tree_move (GtkCTree *ctree,
GList *node,
GList *new_parent,
GList *new_sibling);
static void gtk_ctree_link (GtkCTree *ctree,
GList *node,
GList *parent,
GList *sibling);
static void gtk_ctree_unlink (GtkCTree *ctree,
GList *node);
static GList * gtk_ctree_last_visible (GtkCTree *ctree,
GList *node);
static void gtk_ctree_marshal_signal_1 (GtkObject *object,
GtkSignalFunc func,
gpointer func_data,
GtkArg *args);
static void gtk_ctree_marshal_signal_2 (GtkObject *object,
GtkSignalFunc func,
gpointer func_data,
GtkArg *args);
static void gtk_ctree_marshal_signal_3 (GtkObject *object,
GtkSignalFunc func,
gpointer func_data,
GtkArg *args);
static gboolean ctree_is_hot_spot (GtkCTree *ctree,
GList *node,
gint row,
gint x,
gint y);
static void tree_sort (GtkCTree *ctree,
GList *node,
gpointer data);
static gint default_compare (GtkCTree *ctree,
const GList *node1,
const GList *node2);
enum
{
TREE_SELECT_ROW,
TREE_UNSELECT_ROW,
TREE_EXPAND,
TREE_COLLAPSE,
TREE_MOVE,
LAST_SIGNAL
};
typedef void (*GtkCTreeSignal1) (GtkObject *object,
GList *arg1,
gint arg2,
gpointer data);
typedef void (*GtkCTreeSignal2) (GtkObject *object,
GList *arg1,
GList *arg2,
GList *arg3,
gpointer data);
typedef void (*GtkCTreeSignal3) (GtkObject *object,
GList *arg1,
gpointer data);
static GtkCListClass *parent_class = NULL;
static GtkContainerClass *container_class = NULL;
static guint ctree_signals[LAST_SIGNAL] = {0};
GtkType
gtk_ctree_get_type (void)
{
static GtkType ctree_type = 0;
if (!ctree_type)
{
GtkTypeInfo ctree_info =
{
"GtkCTree",
sizeof (GtkCTree),
sizeof (GtkCTreeClass),
(GtkClassInitFunc) gtk_ctree_class_init,
(GtkObjectInitFunc) gtk_ctree_init,
(GtkArgSetFunc) NULL,
(GtkArgGetFunc) NULL,
};
ctree_type = gtk_type_unique (gtk_clist_get_type (), &ctree_info);
}
return ctree_type;
}
static void
gtk_ctree_marshal_signal_1 (GtkObject *object,
GtkSignalFunc func,
gpointer func_data,
GtkArg *args)
{
GtkCTreeSignal1 rfunc;
rfunc = (GtkCTreeSignal1) func;
(*rfunc) (object, GTK_VALUE_POINTER (args[0]), GTK_VALUE_INT (args[1]),
func_data);
}
static void
gtk_ctree_marshal_signal_2 (GtkObject *object,
GtkSignalFunc func,
gpointer func_data,
GtkArg *args)
{
GtkCTreeSignal2 rfunc;
rfunc = (GtkCTreeSignal2) func;
(*rfunc) (object, GTK_VALUE_POINTER (args[0]), GTK_VALUE_POINTER (args[1]),
GTK_VALUE_POINTER (args[2]), func_data);
}
static void
gtk_ctree_marshal_signal_3 (GtkObject *object,
GtkSignalFunc func,
gpointer func_data,
GtkArg *args)
{
GtkCTreeSignal3 rfunc;
rfunc = (GtkCTreeSignal3) func;
(*rfunc) (object, GTK_VALUE_POINTER (args[0]), func_data);
}
static void
gtk_ctree_class_init (GtkCTreeClass *klass)
{
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
GtkCListClass *clist_class;
object_class = (GtkObjectClass *) klass;
widget_class = (GtkWidgetClass *) klass;
container_class = (GtkContainerClass *) klass;
clist_class = (GtkCListClass *) klass;
parent_class = gtk_type_class (gtk_clist_get_type ());
container_class = gtk_type_class (gtk_container_get_type ());
ctree_signals[TREE_SELECT_ROW] =
gtk_signal_new ("tree_select_row",
GTK_RUN_FIRST,
object_class->type,
GTK_SIGNAL_OFFSET (GtkCTreeClass, tree_select_row),
gtk_ctree_marshal_signal_1,
GTK_TYPE_NONE, 2, GTK_TYPE_POINTER, GTK_TYPE_INT);
ctree_signals[TREE_UNSELECT_ROW] =
gtk_signal_new ("tree_unselect_row",
GTK_RUN_FIRST,
object_class->type,
GTK_SIGNAL_OFFSET (GtkCTreeClass, tree_unselect_row),
gtk_ctree_marshal_signal_1,
GTK_TYPE_NONE, 2, GTK_TYPE_POINTER, GTK_TYPE_INT);
ctree_signals[TREE_EXPAND] =
gtk_signal_new ("tree_expand",
GTK_RUN_LAST,
object_class->type,
GTK_SIGNAL_OFFSET (GtkCTreeClass, tree_expand),
gtk_ctree_marshal_signal_3,
GTK_TYPE_NONE, 1, GTK_TYPE_POINTER);
ctree_signals[TREE_COLLAPSE] =
gtk_signal_new ("tree_collapse",
GTK_RUN_LAST,
object_class->type,
GTK_SIGNAL_OFFSET (GtkCTreeClass, tree_collapse),
gtk_ctree_marshal_signal_3,
GTK_TYPE_NONE, 1, GTK_TYPE_POINTER);
ctree_signals[TREE_MOVE] =
gtk_signal_new ("tree_move",
GTK_RUN_LAST,
object_class->type,
GTK_SIGNAL_OFFSET (GtkCTreeClass, tree_move),
gtk_ctree_marshal_signal_2,
GTK_TYPE_NONE, 3, GTK_TYPE_POINTER, GTK_TYPE_POINTER,
GTK_TYPE_POINTER);
gtk_object_class_add_signals (object_class, ctree_signals, LAST_SIGNAL);
object_class->destroy = gtk_ctree_destroy;
widget_class->realize = gtk_ctree_realize;
widget_class->unrealize = gtk_ctree_unrealize;
widget_class->button_press_event = gtk_ctree_button_press;
widget_class->button_release_event = gtk_ctree_button_release;
widget_class->motion_notify_event = gtk_ctree_button_motion;
clist_class->select_row = NULL;
clist_class->unselect_row = NULL;
clist_class->click_column = NULL;
clist_class->draw_row = draw_row;
klass->tree_select_row = real_tree_select;
klass->tree_unselect_row = real_tree_unselect;
klass->tree_expand = real_tree_expand;
klass->tree_collapse = real_tree_collapse;
klass->tree_move = real_tree_move;
}
static void
gtk_ctree_init (GtkCTree *ctree)
{
ctree->xor_gc = NULL;
ctree->drag_icon = NULL;
ctree->tree_indent = 20;
ctree->tree_column = 0;
ctree->selection_last = NULL;
ctree->drag_row = -1;
ctree->drag_source = NULL;
ctree->drag_target = NULL;
ctree->insert_pos = GTK_CTREE_POS_AS_CHILD;
ctree->node_compare = default_compare;
ctree->auto_sort = FALSE;
ctree->reorderable = FALSE;
ctree->use_icons = TRUE;
ctree->in_drag = FALSE;
ctree->drag_rect = FALSE;
ctree->line_style = GTK_CTREE_LINES_SOLID;
}
static void
gtk_ctree_destroy (GtkObject *object)
{
gint i;
GtkCList *clist;
g_return_if_fail (object != NULL);
g_return_if_fail (GTK_IS_CTREE (object));
clist = GTK_CLIST (object);
GTK_CLIST_SET_FLAG (clist, CLIST_FROZEN);
gtk_ctree_clear (GTK_CTREE (object));
if (clist->vscrollbar)
{
gtk_widget_unparent (clist->vscrollbar);
clist->vscrollbar = NULL;
}
if (clist->hscrollbar)
{
gtk_widget_unparent (clist->hscrollbar);
clist->hscrollbar = NULL;
}
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 (container_class)->destroy)
(*GTK_OBJECT_CLASS (container_class)->destroy) (object);
}
static void
gtk_ctree_realize (GtkWidget *widget)
{
GtkCTree *ctree;
GdkGCValues values;
ctree = GTK_CTREE (widget);
(* GTK_WIDGET_CLASS (parent_class)->realize) (widget);
values.foreground = widget->style->fg[GTK_STATE_NORMAL];
values.background = widget->style->bg[GTK_STATE_NORMAL];
values.subwindow_mode = GDK_INCLUDE_INFERIORS;
values.line_style = GDK_LINE_SOLID;
ctree->lines_gc = gdk_gc_new_with_values (GTK_CLIST(widget)->clist_window,
&values,
GDK_GC_FOREGROUND |
GDK_GC_BACKGROUND |
GDK_GC_SUBWINDOW |
GDK_GC_LINE_STYLE);
if (ctree->line_style == GTK_CTREE_LINES_DOTTED)
{
gdk_gc_set_line_attributes (ctree->lines_gc, 1,
GDK_LINE_ON_OFF_DASH, None, None);
gdk_gc_set_dashes (ctree->lines_gc, 0, "\1\1", 2);
}
if (ctree->reorderable)
create_xor_gc (ctree);
}
static void
gtk_ctree_unrealize (GtkWidget *widget)
{
GtkCTree *ctree;
ctree = GTK_CTREE (widget);
(* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
gdk_gc_destroy (ctree->lines_gc);
if (ctree->reorderable)
gdk_gc_destroy (ctree->xor_gc);
}
static gint
gtk_ctree_button_press (GtkWidget *widget,
GdkEventButton *event)
{
GtkCTree *ctree;
GtkCList *clist;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_CTREE (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
ctree = GTK_CTREE (widget);
clist = GTK_CLIST (widget);
if (event->window == clist->clist_window)
{
GList *work;
gint x;
gint y;
gint row;
gint column;
x = event->x;
y = event->y;
if (gtk_clist_get_selection_info (clist, x, y, &row, &column))
{
if (event->button == 1)
ctree->drag_row = - 1 - ROW_FROM_YPIXEL (clist, y);
work = g_list_nth (clist->row_list, row);
if (GTK_CTREE_ROW (work)->children &&
(event->type == GDK_2BUTTON_PRESS ||
(ctree_is_hot_spot (ctree, work, row, x, y)
&& event->button == 1)))
{
if (GTK_CTREE_ROW (work)->expanded)
gtk_ctree_collapse (ctree, work);
else
gtk_ctree_expand (ctree, work);
}
else if (ctree->reorderable && event->button == 1 && !ctree->in_drag)
{
gdk_pointer_grab (event->window, FALSE,
GDK_POINTER_MOTION_HINT_MASK |
GDK_BUTTON1_MOTION_MASK |
GDK_BUTTON_RELEASE_MASK,
NULL, NULL, event->time);
ctree->in_drag = TRUE;
ctree->drag_source = work;
ctree->drag_target = NULL;
return FALSE;
}
}
return FALSE;
}
return
(* GTK_WIDGET_CLASS (parent_class)->button_press_event) (widget, event);
}
static gint
gtk_ctree_button_motion (GtkWidget *widget,
GdkEventMotion *event)
{
GtkCTree *ctree;
GtkCList *clist;
gint x;
gint y;
gint row;
gint insert_pos = GTK_CTREE_POS_AS_CHILD;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_CTREE (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
ctree = GTK_CTREE (widget);
clist = GTK_CLIST (widget);
if (!ctree->reorderable)
return
(* GTK_WIDGET_CLASS (parent_class)->motion_notify_event) (widget, event);
if (event->window == clist->clist_window && ctree->in_drag)
{
GdkModifierType modmask;
gint root_x;
gint root_y;
x = event->x;
y = event->y;
if (event->is_hint)
gdk_window_get_pointer (event->window, &x, &y, NULL);
/* delayed drag start */
if (!ctree->drag_target &&
y >= ROW_TOP_YPIXEL (clist, -ctree->drag_row-1) &&
y <= ROW_TOP_YPIXEL (clist, -ctree->drag_row-1) + clist->row_height)
return
(* GTK_WIDGET_CLASS (parent_class)->motion_notify_event)
(widget, event);
if (ctree->use_icons)
{
if (!ctree->drag_icon)
create_drag_icon (ctree, GTK_CTREE_ROW (ctree->drag_source));
else
{
gdk_window_get_pointer (NULL, &root_x, &root_y, &modmask);
gdk_window_move (ctree->drag_icon, root_x - ctree->icon_width /2,
root_y - ctree->icon_height);
}
}
/* out of bounds check */
if (x < 0 || y < -3 || x > clist->clist_window_width ||
y > clist->clist_window_height + 3 ||
y > ROW_TOP_YPIXEL (clist, clist->rows-1) + clist->row_height + 3)
{
if (ctree->drag_row >= 0)
{
if (ctree->drag_rect)
{
draw_xor_rect (ctree);
ctree->drag_rect = FALSE;
}
else
draw_xor_line (ctree);
ctree->drag_row = -1;
}
return
(* GTK_WIDGET_CLASS (parent_class)->motion_notify_event)
(widget, event);
}
row = ROW_FROM_YPIXEL (clist, y);
/* re-calculate target (mouse left the window) */
if (ctree->drag_target && ctree->drag_row == -1)
ctree->drag_target = g_list_nth (clist->row_list, row);
if (y < 0 || y > clist->clist_window_height ||
ROW_TOP_YPIXEL (clist, row + 1) > clist->clist_window_height
|| row >= clist->rows)
return (* GTK_WIDGET_CLASS (parent_class)->motion_notify_event)
(widget, event);
if (y - ROW_TOP_YPIXEL (clist, row) < clist->row_height / 4)
insert_pos = GTK_CTREE_POS_BEFORE;
else if (ROW_TOP_YPIXEL (clist, row) + clist->row_height - y
< clist->row_height / 4)
insert_pos = GTK_CTREE_POS_AFTER;
if (row != ctree->drag_row ||
(row == ctree->drag_row && ctree->insert_pos != insert_pos))
{
if (insert_pos != GTK_CTREE_POS_AS_CHILD)
{
if (ctree->drag_row >= 0)
{
if (ctree->drag_rect)
{
draw_xor_rect (ctree);
ctree->drag_rect = FALSE;
}
else
draw_xor_line (ctree);
}
ctree->insert_pos = insert_pos;
ctree->drag_target = g_list_nth (clist->row_list, row);
ctree->drag_row = row;
draw_xor_line (ctree);
}
else if (ctree->drag_target &&
!GTK_CTREE_ROW (ctree->drag_target)->is_leaf)
{
if (ctree->drag_row >= 0)
{
if (ctree->drag_rect)
draw_xor_rect (ctree);
else
draw_xor_line (ctree);
}
ctree->drag_rect = TRUE;
ctree->insert_pos = insert_pos;
ctree->drag_target = g_list_nth (clist->row_list, row);
ctree->drag_row = row;
draw_xor_rect (ctree);
}
}
}
return
(* GTK_WIDGET_CLASS (parent_class)->motion_notify_event) (widget, event);
}
static gint
gtk_ctree_button_release (GtkWidget *widget,
GdkEventButton *event)
{
GtkCTree *ctree;
GtkCList *clist;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_CTREE (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
ctree = GTK_CTREE (widget);
clist = GTK_CLIST (widget);
if (event->button == 1)
{
gdk_pointer_ungrab (event->time);
ctree->in_drag = FALSE;
if (ctree->use_icons && ctree->drag_icon)
{
gdk_window_destroy (ctree->drag_icon);
ctree->drag_icon = NULL;
}
if (ctree->drag_row >= 0)
{
if (ctree->drag_rect)
{
draw_xor_rect (ctree);
ctree->drag_rect = FALSE;
}
else
draw_xor_line (ctree);
ctree->drag_row = -1;
}
else
{
if (event->window == clist->clist_window)
{
gint row;
gint column;
GList *work;
if (gtk_clist_get_selection_info (clist, event->x, event->y,
&row, &column))
if (row == - (ctree->drag_row + 1) &&
(work = g_list_nth (clist->row_list, row)))
{
if (GTK_CTREE_ROW (work)->children &&
ctree_is_hot_spot (ctree, work, row, event->x,
event->y))
return (* GTK_WIDGET_CLASS (parent_class)
->button_release_event) (widget, event);
tree_toggle_selection (ctree, work, column);
}
return FALSE;
}
return
(* GTK_WIDGET_CLASS (parent_class)->button_release_event)
(widget, event);
}
/* nop if out of bounds / source == target */
if (event->x < 0 || event->y < -3 ||
event->x > clist->clist_window_width ||
event->y > clist->clist_window_height + 3 ||
ctree->drag_target == ctree->drag_source)
return
(* GTK_WIDGET_CLASS (parent_class)->button_release_event)
(widget, event);
if (!GTK_CTREE_ROW (ctree->drag_source)->children ||
!gtk_ctree_is_ancestor (ctree, ctree->drag_source,
ctree->drag_target))
{
if (ctree->insert_pos == GTK_CTREE_POS_AFTER)
{
if (GTK_CTREE_ROW (ctree->drag_target)->sibling !=
ctree->drag_source)
gtk_signal_emit (GTK_OBJECT (ctree),
ctree_signals[TREE_MOVE],
ctree->drag_source,
GTK_CTREE_ROW (ctree->drag_target)->parent,
GTK_CTREE_ROW (ctree->drag_target)->sibling);
}
else if (ctree->insert_pos == GTK_CTREE_POS_BEFORE)
{
if (GTK_CTREE_ROW (ctree->drag_source)->sibling !=
ctree->drag_target)
gtk_signal_emit (GTK_OBJECT (ctree),
ctree_signals[TREE_MOVE],
ctree->drag_source,
GTK_CTREE_ROW (ctree->drag_target)->parent,
ctree->drag_target);
}
else if (!GTK_CTREE_ROW (ctree->drag_target)->is_leaf)
{
if (GTK_CTREE_ROW (ctree->drag_target)->children !=
ctree->drag_source)
gtk_signal_emit (GTK_OBJECT (ctree),
ctree_signals[TREE_MOVE],
ctree->drag_source,
ctree->drag_target,
GTK_CTREE_ROW (ctree->drag_target)->children);
}
}
ctree->drag_source = NULL;
ctree->drag_target = NULL;
}
return
(* GTK_WIDGET_CLASS (parent_class)->button_release_event) (widget, event);
}
static void
create_drag_icon (GtkCTree *ctree,
GtkCTreeRow *row)
{
GtkCList *clist;
GtkWidget *widget;
GdkWindow *window = NULL;
GdkWindowAttr attributes;
gint attributes_mask;
GdkPixmap *pixmap;
GdkBitmap *mask;
GdkModifierType modmask;
gint root_x;
gint root_y;
clist = GTK_CLIST (ctree);
widget = GTK_WIDGET (ctree);
if (!(pixmap = GTK_CELL_PIXTEXT (row->row.cell[ctree->tree_column])->pixmap))
return;
mask = GTK_CELL_PIXTEXT (row->row.cell[ctree->tree_column])->mask;
gdk_window_get_pointer (NULL, &root_x, &root_y, &modmask);
gdk_window_get_size (pixmap, &ctree->icon_width, &ctree->icon_height);
attributes.window_type = GDK_WINDOW_TEMP;
attributes.x = root_x - ctree->icon_width / 2;
attributes.y = root_y - ctree->icon_height;
attributes.width = ctree->icon_width;
attributes.height = ctree->icon_height;
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_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
window = gdk_window_new (widget->window, &attributes, attributes_mask);
gdk_window_set_back_pixmap (window, pixmap, FALSE);
if (mask)
gdk_window_shape_combine_mask (window, mask, 0, 0);
gdk_window_show (window);
ctree->drag_icon = window;
}
static void
create_xor_gc (GtkCTree *ctree)
{
GtkCList *clist;
GdkGCValues values;
clist = GTK_CLIST (ctree);
values.foreground = GTK_WIDGET (clist)->style->bg[GTK_STATE_NORMAL];
values.function = GDK_XOR;
values.subwindow_mode = GDK_INCLUDE_INFERIORS;
ctree->xor_gc = gdk_gc_new_with_values (clist->clist_window, &values,
GDK_GC_FOREGROUND |
GDK_GC_FUNCTION |
GDK_GC_SUBWINDOW);
gdk_gc_set_line_attributes (ctree->xor_gc, 1, GDK_LINE_ON_OFF_DASH,
None, None);
gdk_gc_set_dashes (ctree->xor_gc, 0, "\2\2", 2);
}
static void
draw_xor_line (GtkCTree *ctree)
{
GtkCList *clist;
gint level;
gint y = 0;
clist = GTK_CLIST (ctree);
level = GTK_CTREE_ROW (ctree->drag_target)->level;
if (ctree->insert_pos == GTK_CTREE_POS_AFTER)
y = ROW_TOP_YPIXEL (clist, ctree->drag_row) + clist->row_height;
else
y = ROW_TOP_YPIXEL (clist, ctree->drag_row) - 1;
switch (clist->column[ctree->tree_column].justification)
{
case GTK_JUSTIFY_CENTER:
case GTK_JUSTIFY_FILL:
case GTK_JUSTIFY_LEFT:
if (ctree->tree_column > 0)
gdk_draw_line (clist->clist_window, ctree->xor_gc,
COLUMN_LEFT_XPIXEL(clist, 0), y,
COLUMN_LEFT_XPIXEL(clist, ctree->tree_column - 1) +
clist->column[ctree->tree_column - 1].area.width, y);
gdk_draw_line (clist->clist_window, ctree->xor_gc,
COLUMN_LEFT_XPIXEL(clist, ctree->tree_column) +
ctree->tree_indent * level -
(ctree->tree_indent - PM_SIZE) / 2, y,
GTK_WIDGET (ctree)->allocation.width, y);
break;
case GTK_JUSTIFY_RIGHT:
if (ctree->tree_column < clist->columns - 1)
gdk_draw_line (clist->clist_window, ctree->xor_gc,
COLUMN_LEFT_XPIXEL(clist, ctree->tree_column + 1), y,
COLUMN_LEFT_XPIXEL(clist, clist->columns - 1) +
clist->column[clist->columns - 1].area.width, y);
gdk_draw_line (clist->clist_window, ctree->xor_gc,
0, y, COLUMN_LEFT_XPIXEL(clist, ctree->tree_column)
+ clist->column[ctree->tree_column].area.width
- ctree->tree_indent * level +
(ctree->tree_indent - PM_SIZE) / 2, y);
break;
}
}
static void
draw_xor_rect (GtkCTree *ctree)
{
GtkCList *clist;
GdkPoint points[4];
guint level;
gint i;
gint y;
clist = GTK_CLIST (ctree);
level = GTK_CTREE_ROW (ctree->drag_target)->level;
y = ROW_TOP_YPIXEL (clist, ctree->drag_row) + clist->row_height;
switch (clist->column[ctree->tree_column].justification)
{
case GTK_JUSTIFY_CENTER:
case GTK_JUSTIFY_FILL:
case GTK_JUSTIFY_LEFT:
points[0].x = COLUMN_LEFT_XPIXEL(clist, ctree->tree_column) +
ctree->tree_indent * level - (ctree->tree_indent - PM_SIZE) / 2;
points[0].y = y;
points[3].x = points[0].x;
points[3].y = y - clist->row_height - 1;
points[1].x = clist->clist_window_width - 1;
points[1].y = points[0].y;
points[2].x = points[1].x;
points[2].y = points[3].y;
for (i = 0; i < 3; i++)
gdk_draw_line (clist->clist_window, ctree->xor_gc,
points[i].x, points[i].y, points[i+1].x, points[i+1].y);
if (ctree->tree_column > 0)
{
points[0].x = COLUMN_LEFT_XPIXEL(clist, ctree->tree_column - 1) +
clist->column[ctree->tree_column - 1].area.width ;
points[0].y = y;
points[3].x = points[0].x;
points[3].y = y - clist->row_height - 1;
points[1].x = 0;
points[1].y = points[0].y;
points[2].x = 0;
points[2].y = points[3].y;
for (i = 0; i < 3; i++)
gdk_draw_line (clist->clist_window, ctree->xor_gc,
points[i].x, points[i].y, points[i+1].x,
points[i+1].y);
}
break;
case GTK_JUSTIFY_RIGHT:
points[0].x = COLUMN_LEFT_XPIXEL(clist, ctree->tree_column) -
ctree->tree_indent * level + (ctree->tree_indent - PM_SIZE) / 2 +
clist->column[ctree->tree_column].area.width;
points[0].y = y;
points[3].x = points[0].x;
points[3].y = y - clist->row_height - 1;
points[1].x = 0;
points[1].y = points[0].y;
points[2].x = 0;
points[2].y = points[3].y;
for (i = 0; i < 3; i++)
gdk_draw_line (clist->clist_window, ctree->xor_gc,
points[i].x, points[i].y, points[i+1].x, points[i+1].y);
if (ctree->tree_column < clist->columns - 1)
{
points[0].x = COLUMN_LEFT_XPIXEL(clist, ctree->tree_column + 1);
points[0].y = y;
points[3].x = points[0].x;
points[3].y = y - clist->row_height - 1;
points[1].x = clist->clist_window_width - 1;
points[1].y = points[0].y;
points[2].x = points[1].x;
points[2].y = points[3].y;
for (i = 0; i < 3; i++)
gdk_draw_line (clist->clist_window, ctree->xor_gc,
points[i].x, points[i].y, points[i+1].x,
points[i+1].y);
}
break;
}
}
static void
draw_row (GtkCList *clist,
GdkRectangle *area,
gint row,
GtkCListRow *clist_row)
{
GtkWidget *widget;
GtkCTree *ctree;
GdkGC *fg_gc;
GdkGC *bg_gc;
GdkRectangle row_rectangle;
GdkRectangle cell_rectangle;
GdkRectangle clip_rectangle;
GdkRectangle intersect_rectangle;
GdkRectangle *rect;
gint i, offset = 0, width, height, pixmap_width = 0, string_width = 0;
gint xsrc, ysrc, xdest = 0, ydest;
gboolean need_redraw = TRUE;
g_return_if_fail (clist != NULL);
/* bail now if we arn't drawable yet */
if (!GTK_WIDGET_DRAWABLE (clist))
return;
if (row < 0 || row >= clist->rows)
return;
widget = GTK_WIDGET (clist);
ctree = GTK_CTREE (clist);
/* if the function is passed the pointer to the row instead of null,
* it avoids this expensive lookup */
if (!clist_row)
clist_row = (g_list_nth (clist->row_list, 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, it's 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;
/* select GC for background rectangle */
if (clist_row->state == GTK_STATE_SELECTED)
{
fg_gc = widget->style->fg_gc[GTK_STATE_SELECTED];
bg_gc = widget->style->bg_gc[GTK_STATE_SELECTED];
}
else
{
if (clist_row->fg_set)
{
gdk_gc_set_foreground (clist->fg_gc, &clist_row->foreground);
fg_gc = clist->fg_gc;
}
else
fg_gc = widget->style->fg_gc[GTK_STATE_NORMAL];
if (clist_row->bg_set)
{
gdk_gc_set_foreground (clist->bg_gc, &clist_row->background);
bg_gc = clist->bg_gc;
}
else
bg_gc = widget->style->bg_gc[GTK_STATE_PRELIGHT];
}
/* draw the cell borders and background */
if (area)
{
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 it's 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))
{
if (clist_row->state == GTK_STATE_SELECTED || clist_row->fg_set)
gdk_draw_rectangle (clist->clist_window,
bg_gc,
TRUE,
intersect_rectangle.x,
intersect_rectangle.y,
intersect_rectangle.width,
intersect_rectangle.height);
else
gdk_window_clear_area (clist->clist_window,
intersect_rectangle.x,
intersect_rectangle.y,
intersect_rectangle.width,
intersect_rectangle.height);
}
else
need_redraw = FALSE;
}
else
{
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 it's 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);
}
if (clist_row->state == GTK_STATE_SELECTED || clist_row->fg_set)
gdk_draw_rectangle (clist->clist_window,
bg_gc,
TRUE,
row_rectangle.x,
row_rectangle.y,
row_rectangle.width,
row_rectangle.height);
else
gdk_window_clear_area (clist->clist_window,
row_rectangle.x,
row_rectangle.y,
row_rectangle.width,
row_rectangle.height);
}
/* iterate and draw all the columns (row cells) and draw their contents */
for (i = 0; i < clist->columns; i++)
{
if (!need_redraw && ctree->tree_column != i)
continue;
clip_rectangle.x = clist->column[i].area.x + clist->hoffset;
clip_rectangle.width = clist->column[i].area.width;
/* calculate clipping region */
if (i == ctree->tree_column)
{
clip_rectangle.y -= CELL_SPACING;
clip_rectangle.height += CELL_SPACING;
}
if (!area)
{
rect = &clip_rectangle;
}
else
{
if (!gdk_rectangle_intersect (area, &clip_rectangle,
&intersect_rectangle))
continue;
rect = &intersect_rectangle;
}
/* calculate real width for column justification */
switch (clist_row->cell[i].type)
{
case GTK_CELL_EMPTY:
continue;
break;
case GTK_CELL_TEXT:
width = gdk_string_width (GTK_WIDGET (clist)->style->font,
GTK_CELL_TEXT (clist_row->cell[i])->text);
break;
case GTK_CELL_PIXMAP:
gdk_window_get_size (GTK_CELL_PIXMAP (clist_row->cell[i])->pixmap,
&width, &height);
pixmap_width = width;
break;
case GTK_CELL_PIXTEXT:
if (i == ctree->tree_column)
{
string_width = 0;
width = 0;
if (GTK_CELL_PIXTEXT (clist_row->cell[i])->pixmap)
gdk_window_get_size (GTK_CELL_PIXTEXT
(clist_row->cell[i])->pixmap,
&width, &height);
pixmap_width = width;
width += GTK_CELL_PIXTEXT (clist_row->cell[i])->spacing;
if (GTK_CELL_PIXTEXT (clist_row->cell[i])->text)
string_width += gdk_string_width
(GTK_WIDGET (clist)->style->font,
GTK_CELL_PIXTEXT(clist_row->cell[i])->text);
width += string_width +
((GtkCTreeRow *)clist_row)->level * ctree->tree_indent;
}
else
{
gdk_window_get_size (GTK_CELL_PIXTEXT
(clist_row->cell[i])->pixmap,
&width, &height);
pixmap_width = width;
width += GTK_CELL_PIXTEXT (clist_row->cell[i])->spacing;
width += gdk_string_width (GTK_WIDGET (clist)->style->font,
GTK_CELL_PIXTEXT
(clist_row->cell[i])->text);
}
break;
case GTK_CELL_WIDGET:
/* unimplemented */
continue;
break;
default:
continue;
break;
}
switch (clist->column[i].justification)
{
case GTK_JUSTIFY_LEFT:
offset = clip_rectangle.x;
break;
case GTK_JUSTIFY_RIGHT:
offset = (clip_rectangle.x + clip_rectangle.width) - width;
break;
case GTK_JUSTIFY_CENTER:
offset = (clip_rectangle.x + (clip_rectangle.width / 2))
- (width / 2);
break;
case GTK_JUSTIFY_FILL:
offset = (clip_rectangle.x + (clip_rectangle.width / 2))
- (width / 2);
break;
default:
offset = 0;
break;
};
if (i == ctree->tree_column)
{
GdkGC *cgc;
GdkGC *tgc;
GList *work;
gint xoffset;
gint yoffset;
gint xcenter;
gint ycenter;
gint offset_x;
gint offset_y = 0;
xsrc = 0;
ysrc = 0;
if (clist_row->state == GTK_STATE_SELECTED)
{
gdk_gc_set_foreground (ctree->lines_gc,
&GTK_WIDGET (ctree)->style->
fg[GTK_STATE_SELECTED]);
gdk_gc_set_background (ctree->lines_gc,
&GTK_WIDGET (ctree)->style->
bg[GTK_STATE_SELECTED]);
}
else
{
gdk_gc_set_foreground (ctree->lines_gc,
&GTK_WIDGET (ctree)->style->
fg[GTK_STATE_NORMAL]);
if (clist_row->bg_set)
gdk_gc_set_background (ctree->lines_gc,
&clist_row->background);
}
gdk_gc_set_clip_origin (fg_gc, 0, 0);
gdk_gc_set_clip_rectangle (fg_gc, rect);
if (ctree->line_style != GTK_CTREE_LINES_NONE)
{
gdk_gc_set_clip_origin (ctree->lines_gc, 0, 0);
gdk_gc_set_clip_rectangle (ctree->lines_gc, rect);
}
yoffset = (clip_rectangle.height - PM_SIZE) / 2;
xoffset = (ctree->tree_indent - PM_SIZE) / 2;
ycenter = clip_rectangle.y + (clip_rectangle.height / 2);
ydest = ycenter - height / 2 + clist_row->cell[i].vertical;
switch (clist->column[i].justification)
{
case GTK_JUSTIFY_CENTER:
case GTK_JUSTIFY_FILL:
offset = clip_rectangle.x;
case GTK_JUSTIFY_LEFT:
offset_x = 1;
xdest = clip_rectangle.x - xoffset +
(((GtkCTreeRow *) clist_row)->level - 1) * ctree->tree_indent;
xcenter = xdest + (ctree->tree_indent / 2);
if (ctree->line_style != GTK_CTREE_LINES_NONE)
{
xcenter = xdest + (ctree->tree_indent / 2);
if (ctree->line_style == GTK_CTREE_LINES_DOTTED)
{
offset_x += abs ((clip_rectangle.x + clist->hoffset) %
2);
offset_y = abs ((clip_rectangle.y + clist->voffset) % 2);
}
gdk_draw_line (clist->clist_window, ctree->lines_gc,
xcenter, clip_rectangle.y + offset_y, xcenter,
(((GtkCTreeRow *)clist_row)->sibling) ?
rect->y + rect->height : ycenter);
gdk_draw_line (clist->clist_window, ctree->lines_gc,
xcenter + offset_x, ycenter,
xcenter + PM_SIZE / 2 + 2, ycenter);
work = ((GtkCTreeRow *)clist_row)->parent;
while (work)
{
xcenter -= ctree->tree_indent;
if (GTK_CTREE_ROW (work)->sibling)
gdk_draw_line (clist->clist_window, ctree->lines_gc,
xcenter, clip_rectangle.y + offset_y,
xcenter, rect->y + rect->height);
work = GTK_CTREE_ROW (work)->parent;
}
gdk_gc_set_clip_rectangle (ctree->lines_gc, NULL);
}
if (((GtkCTreeRow *)clist_row)->children)
{
if (clist_row->state == GTK_STATE_SELECTED)
{
if (clist_row->fg_set)
tgc = clist->fg_gc;
else
tgc = widget->style->fg_gc[GTK_STATE_NORMAL];
cgc = tgc;
}
else
{
cgc = GTK_WIDGET
(clist)->style->fg_gc[GTK_STATE_SELECTED];
tgc = fg_gc;
}
gdk_gc_set_clip_rectangle (cgc, rect);
if (ctree->line_style == GTK_CTREE_LINES_NONE)
{
GdkPoint points[3];
if (!((GtkCTreeRow *)clist_row)->expanded)
{
points[0].x = xdest + xoffset + (PM_SIZE+2) / 6 + 2;
points[0].y = clip_rectangle.y + yoffset - 1;
points[1].x = points[0].x;
points[1].y = points[0].y + (PM_SIZE+2);
points[2].x = points[0].x + 2 * (PM_SIZE+2) / 3 - 1;
points[2].y = points[0].y + (PM_SIZE+2) / 2;
}
else
{
points[0].x = xdest + xoffset;
points[0].y = clip_rectangle.y + yoffset
+ (PM_SIZE+2) / 6;
points[1].x = points[0].x + (PM_SIZE+2);
points[1].y = points[0].y;
points[2].x = points[0].x + (PM_SIZE+2) / 2;
points[2].y = clip_rectangle.y + yoffset +
2 * (PM_SIZE+2) / 3;
}
gdk_draw_polygon (clist->clist_window,
GTK_WIDGET (clist)->style->
fg_gc[GTK_STATE_SELECTED],
TRUE, points, 3);
gdk_draw_polygon (clist->clist_window, tgc, FALSE,
points, 3);
}
else
{
gdk_draw_rectangle (clist->clist_window,
GTK_WIDGET (clist)->style->
fg_gc[GTK_STATE_SELECTED], TRUE,
xdest + xoffset,
clip_rectangle.y + yoffset,
PM_SIZE, PM_SIZE);
gdk_draw_rectangle (clist->clist_window, tgc, FALSE,
xdest + xoffset,
clip_rectangle.y + yoffset,
PM_SIZE, PM_SIZE);
gdk_draw_line (clist->clist_window, tgc,
xdest + xoffset + 2, ycenter,
xdest + xoffset + PM_SIZE - 2, ycenter);
if (!((GtkCTreeRow *)clist_row)->expanded)
{
xcenter = xdest + (ctree->tree_indent / 2);
gdk_draw_line (clist->clist_window, tgc, xcenter,
clip_rectangle.y + yoffset + 2,
xcenter, clip_rectangle.y + yoffset
+ PM_SIZE - 2);
}
}
gdk_gc_set_clip_rectangle (cgc, NULL);
}
xdest += offset - clip_rectangle.x + ctree->tree_indent +
clist_row->cell[i].horizontal;
if (pixmap_width && xdest + pixmap_width >= rect->x &&
xdest <= rect->x + rect->width)
{
if (GTK_CELL_PIXTEXT (clist_row->cell[i])->mask)
{
gdk_gc_set_clip_mask
(fg_gc, GTK_CELL_PIXTEXT (clist_row->cell[i])->mask);
gdk_gc_set_clip_origin (fg_gc, xdest, ydest);
}
gdk_draw_pixmap (clist->clist_window, fg_gc,
GTK_CELL_PIXTEXT
(clist_row->cell[i])->pixmap, xsrc, ysrc,
xdest, ydest, pixmap_width, height);
if (xdest + pixmap_width >
clip_rectangle.x + clip_rectangle.width)
gdk_draw_rectangle (clist->clist_window, bg_gc, TRUE,
rect->x + rect->width, ydest + 1,
xdest + pixmap_width -
(rect->x + rect->width), height - 1);
}
xdest += (GTK_CELL_PIXTEXT (clist_row->cell[i])->spacing +
pixmap_width);
break;
case GTK_JUSTIFY_RIGHT:
offset_x = 0;
xdest = clip_rectangle.x + clip_rectangle.width + xoffset - 1 -
(((GtkCTreeRow *) clist_row)->level - 1) * ctree->tree_indent;
if (ctree->line_style != GTK_CTREE_LINES_NONE)
{
xcenter = xdest - (ctree->tree_indent / 2);
if (ctree->line_style == GTK_CTREE_LINES_DOTTED)
{
offset_x += abs ((clip_rectangle.x + clist->hoffset) %
2);
offset_y = abs ((clip_rectangle.y + clist->voffset) % 2);
}
gdk_draw_line (clist->clist_window, ctree->lines_gc,
xcenter, clip_rectangle.y + offset_y,
xcenter,
(((GtkCTreeRow *)clist_row)->sibling) ?
rect->y + rect->height : ycenter);
gdk_draw_line (clist->clist_window, ctree->lines_gc,
xcenter - offset_x, ycenter,
xcenter - PM_SIZE / 2 - 2, ycenter);
work = ((GtkCTreeRow *)clist_row)->parent;
while (work)
{
xcenter += ctree->tree_indent;
if (GTK_CTREE_ROW(work)->sibling)
gdk_draw_line (clist->clist_window, ctree->lines_gc,
xcenter, clip_rectangle.y - offset_y,
xcenter, rect->y + rect->height);
work = GTK_CTREE_ROW (work)->parent;
}
gdk_gc_set_clip_rectangle (ctree->lines_gc, NULL);
}
if (((GtkCTreeRow *)clist_row)->children)
{
if (clist_row->state == GTK_STATE_SELECTED)
{
if (clist_row->fg_set)
tgc = clist->fg_gc;
else
tgc = widget->style->fg_gc[GTK_STATE_NORMAL];
cgc = tgc;
}
else
{
cgc =
GTK_WIDGET(clist)->style->fg_gc[GTK_STATE_SELECTED];
tgc = fg_gc;
}
gdk_gc_set_clip_rectangle (cgc, rect);
if (ctree->line_style == GTK_CTREE_LINES_NONE)
{
GdkPoint points[3];
if (!((GtkCTreeRow *)clist_row)->expanded)
{
points[0].x = xdest - xoffset - (PM_SIZE+2) / 6 - 2;
points[0].y = clip_rectangle.y + yoffset - 1;
points[1].x = points[0].x;
points[1].y = points[0].y + (PM_SIZE+2);
points[2].x = points[0].x - 2 * (PM_SIZE+2) / 3 + 1;
points[2].y = points[0].y + (PM_SIZE+2) / 2;
}
else
{
points[0].x = xdest - xoffset;
points[0].y = clip_rectangle.y + yoffset +
(PM_SIZE+2) / 6;
points[1].x = points[0].x - (PM_SIZE+2);
points[1].y = points[0].y;
points[2].x = points[0].x - (PM_SIZE+2) / 2;
points[2].y = clip_rectangle.y + yoffset +
2 * (PM_SIZE+2) / 3;
}
gdk_draw_polygon (clist->clist_window,
GTK_WIDGET (clist)->style->
fg_gc[GTK_STATE_SELECTED],
TRUE, points, 3);
gdk_draw_polygon (clist->clist_window, tgc, FALSE,
points, 3);
}
else
{
gdk_draw_rectangle (clist->clist_window,
GTK_WIDGET(clist)->style->
fg_gc[GTK_STATE_SELECTED], TRUE,
xdest - xoffset - PM_SIZE,
clip_rectangle.y + yoffset,
PM_SIZE, PM_SIZE);
gdk_draw_rectangle (clist->clist_window, tgc, FALSE,
xdest - xoffset - PM_SIZE,
clip_rectangle.y + yoffset,
PM_SIZE, PM_SIZE);
gdk_draw_line (clist->clist_window, tgc,
xdest - xoffset - 2, ycenter,
xdest - xoffset - PM_SIZE + 2, ycenter);
if (!((GtkCTreeRow *)clist_row)->expanded)
{
xcenter = xdest - (ctree->tree_indent / 2);
gdk_draw_line (clist->clist_window, tgc, xcenter,
clip_rectangle.y + yoffset + 2,
xcenter, clip_rectangle.y + yoffset
+ PM_SIZE - 2);
}
}
gdk_gc_set_clip_rectangle (cgc, NULL);
}
xdest -= (ctree->tree_indent + pixmap_width
+ clist_row->cell[i].horizontal);
if (pixmap_width && xdest + pixmap_width >= rect->x &&
xdest <= rect->x + rect->width && xdest >= clip_rectangle.x)
{
gdk_gc_set_clip_mask
(fg_gc, GTK_CELL_PIXTEXT (clist_row->cell[i])->mask);
gdk_gc_set_clip_origin (fg_gc, xdest, ydest);
gdk_draw_pixmap (clist->clist_window, fg_gc,
GTK_CELL_PIXTEXT
(clist_row->cell[i])->pixmap,
xsrc, ysrc, xdest, ydest,
pixmap_width, height);
}
xdest -= (GTK_CELL_PIXTEXT (clist_row->cell[i])->spacing +
string_width);
break;
default :
break;
}
if (string_width)
{
gint delta;
delta = CELL_SPACING - (rect->y - clip_rectangle.y);
if (delta > 0)
{
rect->y += delta;
rect->height -= delta;
}
gdk_gc_set_clip_rectangle (fg_gc, rect);
gdk_draw_string
(clist->clist_window, widget->style->font, fg_gc, xdest,
row_rectangle.y + clist->row_center_offset +
clist_row->cell[i].vertical,
GTK_CELL_PIXTEXT (clist_row->cell[i])->text);
}
gdk_gc_set_clip_rectangle (fg_gc, NULL);
}
else
{
switch (clist_row->cell[i].type)
{
case GTK_CELL_EMPTY:
continue;
break;
case GTK_CELL_TEXT:
gdk_gc_set_clip_rectangle (fg_gc, rect);
gdk_draw_string (clist->clist_window,
widget->style->font,
fg_gc,
offset + clist_row->cell[i].horizontal,
row_rectangle.y + clist->row_center_offset +
clist_row->cell[i].vertical,
GTK_CELL_TEXT (clist_row->cell[i])->text);
gdk_gc_set_clip_rectangle (fg_gc, NULL);
break;
case GTK_CELL_PIXMAP:
xsrc = 0;
ysrc = 0;
xdest = offset + clist_row->cell[i].horizontal;
ydest = (clip_rectangle.y + (clip_rectangle.height / 2))
- height / 2 + clist_row->cell[i].vertical;
if (GTK_CELL_PIXMAP (clist_row->cell[i])->mask)
{
gdk_gc_set_clip_mask (fg_gc, GTK_CELL_PIXMAP
(clist_row->cell[i])->mask);
gdk_gc_set_clip_origin (fg_gc, xdest, ydest);
}
gdk_draw_pixmap (clist->clist_window, fg_gc,
GTK_CELL_PIXMAP (clist_row->cell[i])->pixmap,
xsrc, ysrc, xdest, ydest, pixmap_width, height);
if (GTK_CELL_PIXMAP (clist_row->cell[i])->mask)
{
gdk_gc_set_clip_origin (fg_gc, 0, 0);
gdk_gc_set_clip_mask (fg_gc, NULL);
}
break;
case GTK_CELL_PIXTEXT:
/* draw the pixmap */
xsrc = 0;
ysrc = 0;
xdest = offset + clist_row->cell[i].horizontal;
ydest = (clip_rectangle.y + (clip_rectangle.height / 2))
- height / 2 + clist_row->cell[i].vertical;
if (GTK_CELL_PIXTEXT (clist_row->cell[i])->mask)
{
gdk_gc_set_clip_mask (fg_gc, GTK_CELL_PIXTEXT
(clist_row->cell[i])->mask);
gdk_gc_set_clip_origin (fg_gc, xdest, ydest);
}
gdk_draw_pixmap (clist->clist_window, fg_gc,
GTK_CELL_PIXTEXT (clist_row->cell[i])->pixmap,
xsrc, ysrc, xdest, ydest, pixmap_width, height);
gdk_gc_set_clip_origin (fg_gc, 0, 0);
xdest += pixmap_width + GTK_CELL_PIXTEXT
(clist_row->cell[i])->spacing;
/* draw the string */
gdk_gc_set_clip_rectangle (fg_gc, rect);
gdk_draw_string (clist->clist_window, widget->style->font, fg_gc,
xdest,
row_rectangle.y + clist->row_center_offset +
clist_row->cell[i].vertical,
GTK_CELL_PIXTEXT (clist_row->cell[i])->text);
gdk_gc_set_clip_rectangle (fg_gc, NULL);
break;
case GTK_CELL_WIDGET:
/* unimplemented */
continue;
break;
default:
continue;
break;
}
}
}
}
static void
tree_draw_row (GtkCTree *ctree,
GList *row)
{
GtkCList *clist;
clist = GTK_CLIST (ctree);
if (!GTK_CLIST_FROZEN (clist) && gtk_ctree_is_visible (ctree, row))
{
GList *work;
gint num = 0;
work = clist->row_list;
while (work != row)
{
work = work->next;
num++;
}
if (gtk_clist_row_is_visible (clist, num) != GTK_VISIBILITY_NONE)
(GTK_CLIST_CLASS (GTK_OBJECT (clist)->klass)->draw_row)
(clist, NULL, num, &(GTK_CTREE_ROW (row)->row));
}
}
static GList *
gtk_ctree_last_visible (GtkCTree *ctree,
GList *node)
{
GList *work;
if (!node)
return NULL;
work = GTK_CTREE_ROW (node)->children;
if (!work || !GTK_CTREE_ROW (node)->expanded)
return node;
while (GTK_CTREE_ROW (work)->sibling)
work = GTK_CTREE_ROW (work)->sibling;
return gtk_ctree_last_visible (ctree, work);
}
static void
gtk_ctree_link (GtkCTree *ctree,
GList *node,
GList *parent,
GList *sibling)
{
GtkCList *clist;
GList *list_end;
gint visible = TRUE;
gint rows = 0;
g_return_if_fail (!sibling || GTK_CTREE_ROW (sibling)->parent == parent);
g_return_if_fail (node != NULL);
g_return_if_fail (node != sibling);
g_return_if_fail (node != parent);
clist = GTK_CLIST (ctree);
for (rows = 1, list_end = node; list_end->next; list_end = list_end->next)
rows++;
GTK_CTREE_ROW (node)->parent = parent;
GTK_CTREE_ROW (node)->sibling = sibling;
if (parent)
{
if ((visible = gtk_ctree_is_visible (ctree, parent)) &&
GTK_CTREE_ROW (parent)->expanded)
clist->rows += rows;
}
else
clist->rows += rows;
if (sibling)
{
GList *work;
if (parent)
work = GTK_CTREE_ROW (parent)->children;
else
work = clist->row_list;
if (work != sibling)
{
while (GTK_CTREE_ROW (work)->sibling != sibling)
work = GTK_CTREE_ROW (work)->sibling;
GTK_CTREE_ROW (work)->sibling = node;
}
if (sibling == clist->row_list)
clist->row_list = node;
if (sibling->prev && sibling->prev->next == sibling)
sibling->prev->next = node;
node->prev = sibling->prev;
list_end->next = sibling;
sibling->prev = list_end;
if (parent && GTK_CTREE_ROW (parent)->children == sibling)
GTK_CTREE_ROW (parent)->children = node;
}
else
{
GList *work;
if (parent)
work = GTK_CTREE_ROW (parent)->children;
else
work = clist->row_list;
if (work)
{
/* find sibling */
while (GTK_CTREE_ROW (work)->sibling)
work = GTK_CTREE_ROW (work)->sibling;
GTK_CTREE_ROW (work)->sibling = node;
/* find last visible child of sibling */
work = gtk_ctree_last_visible (ctree, work);
list_end->next = work->next;
if (work->next)
work->next->prev = list_end;
work->next = node;
node->prev = work;
}
else
{
if (parent)
{
GTK_CTREE_ROW (parent)->children = node;
node->prev = parent;
if (GTK_CTREE_ROW (parent)->expanded)
{
list_end->next = parent->next;
if (parent->next)
parent->next->prev = list_end;
parent->next = node;
}
else
list_end->next = NULL;
}
else
{
clist->row_list = node;
node->prev = NULL;
list_end->next = NULL;
}
}
}
gtk_ctree_pre_recursive (ctree, node, tree_update_level, NULL);
if (clist->row_list_end == NULL || clist->row_list_end->next == node)
clist->row_list_end = list_end;
if (!GTK_CLIST_FROZEN (clist) && visible)
gtk_clist_thaw (clist);
}
static void
gtk_ctree_unlink (GtkCTree *ctree,
GList *node)
{
GtkCList *clist;
gint rows;
gint level;
gint visible;
GList *work;
GList *parent;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
g_return_if_fail (node != NULL);
clist = GTK_CLIST (ctree);
visible = gtk_ctree_is_visible (ctree, node);
/* clist->row_list_end unlinked ? */
if (visible && (node->next == NULL ||
(GTK_CTREE_ROW (node)->children &&
gtk_ctree_is_ancestor (ctree, node, clist->row_list_end))))
clist->row_list_end = node->prev;
/* update list */
rows = 0;
level = GTK_CTREE_ROW (node)->level;
work = node->next;
while (work && GTK_CTREE_ROW (work)->level > level)
{
work = work->next;
rows++;
}
if (work)
{
work->prev->next = NULL;
work->prev = node->prev;
}
if (node->prev && node->prev->next == node)
node->prev->next = work;
/* update tree */
parent = GTK_CTREE_ROW (node)->parent;
if (parent)
{
if (GTK_CTREE_ROW (parent)->children == node)
{
GTK_CTREE_ROW (parent)->children = GTK_CTREE_ROW (node)->sibling;
if (!GTK_CTREE_ROW (parent)->children &&
GTK_CTREE_ROW (parent)->pixmap_closed)
{
GTK_CTREE_ROW (parent)->expanded = FALSE;
GTK_CELL_PIXTEXT
(GTK_CTREE_ROW(parent)->row.cell[ctree->tree_column])->pixmap =
GTK_CTREE_ROW (parent)->pixmap_closed;
GTK_CELL_PIXTEXT
(GTK_CTREE_ROW (parent)->row.cell[ctree->tree_column])->mask =
GTK_CTREE_ROW (parent)->mask_closed;
}
}
else
{
GList *sibling;
sibling = GTK_CTREE_ROW (parent)->children;
while (GTK_CTREE_ROW (sibling)->sibling != node)
sibling = GTK_CTREE_ROW (sibling)->sibling;
GTK_CTREE_ROW (sibling)->sibling = GTK_CTREE_ROW (node)->sibling;
}
}
else
{
if (clist->row_list == node)
clist->row_list = GTK_CTREE_ROW (node)->sibling;
else
{
GList *sibling;
sibling = clist->row_list;
while (GTK_CTREE_ROW (sibling)->sibling != node)
sibling = GTK_CTREE_ROW (sibling)->sibling;
GTK_CTREE_ROW (sibling)->sibling = GTK_CTREE_ROW (node)->sibling;
}
}
if (visible)
{
clist->rows -= (rows + 1);
if (!GTK_CLIST_FROZEN (clist))
gtk_clist_thaw (clist);
}
}
static void
real_tree_move (GtkCTree *ctree,
GList *node,
GList *new_parent,
GList *new_sibling)
{
GtkCList *clist;
GList *work;
gboolean thaw = FALSE;
g_return_if_fail (ctree != NULL);
g_return_if_fail (node != NULL);
g_return_if_fail (!new_sibling ||
GTK_CTREE_ROW (new_sibling)->parent == new_parent);
if (new_parent && GTK_CTREE_ROW (new_parent)->is_leaf)
return;
/* new_parent != child of child */
for (work = new_parent; work; work = GTK_CTREE_ROW (work)->parent)
if (work == node)
return;
clist = GTK_CLIST (ctree);
if (ctree->auto_sort)
{
if (new_parent == GTK_CTREE_ROW (node)->parent)
return;
if (new_parent)
new_sibling = GTK_CTREE_ROW (new_parent)->children;
else
new_sibling = clist->row_list;
while (new_sibling && ctree->node_compare (ctree, node, new_sibling) > 0)
new_sibling = GTK_CTREE_ROW (new_sibling)->sibling;
}
if (new_parent == GTK_CTREE_ROW (node)->parent &&
new_sibling == GTK_CTREE_ROW (node)->sibling)
return;
if (!GTK_CLIST_FROZEN (clist))
{
gtk_clist_freeze (clist);
thaw = TRUE;
}
gtk_ctree_unlink (ctree, node);
gtk_ctree_link (ctree, node, new_parent, new_sibling);
if (thaw)
gtk_clist_thaw (clist);
}
static void
real_tree_expand (GtkCTree *ctree,
GList *node)
{
GList *work;
gint level;
if (!node || GTK_CTREE_ROW (node)->expanded)
return;
GTK_CTREE_ROW (node)->expanded = TRUE;
level = GTK_CTREE_ROW (node)->level;
if (GTK_CTREE_ROW (node)->pixmap_opened)
{
GTK_CELL_PIXTEXT
(GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->pixmap =
GTK_CTREE_ROW (node)->pixmap_opened;
GTK_CELL_PIXTEXT
(GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->mask =
GTK_CTREE_ROW (node)->mask_opened;
}
work = GTK_CTREE_ROW (node)->children;
if (work)
{
gint tmp = 0;
while (work->next)
{
work = work->next;
tmp++;
}
work->next = node->next;
if (node->next)
node->next->prev = work;
else
GTK_CLIST (ctree)->row_list_end = work;
node->next = GTK_CTREE_ROW (node)->children;
if (gtk_ctree_is_visible (ctree, node))
{
GTK_CLIST (ctree)->rows += tmp + 1;
if (!GTK_CLIST_FROZEN (ctree))
gtk_clist_thaw (GTK_CLIST (ctree));
}
}
}
static void
real_tree_collapse (GtkCTree *ctree,
GList *node)
{
GList *work;
gint level;
if (!node || !GTK_CTREE_ROW (node)->expanded)
return;
GTK_CTREE_ROW (node)->expanded = FALSE;
level = GTK_CTREE_ROW (node)->level;
if (GTK_CTREE_ROW (node)->pixmap_closed)
{
GTK_CELL_PIXTEXT
(GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->pixmap =
GTK_CTREE_ROW (node)->pixmap_closed;
GTK_CELL_PIXTEXT
(GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->mask =
GTK_CTREE_ROW (node)->mask_closed;
}
work = GTK_CTREE_ROW (node)->children;
if (work)
{
gint tmp = 0;
while (work && GTK_CTREE_ROW (work)->level > level)
{
work = work->next;
tmp++;
}
if (work)
{
node->next = work;
work->prev->next = NULL;
work->prev = node;
}
else
{
node->next = NULL;
GTK_CLIST (ctree)->row_list_end = node;
}
if (gtk_ctree_is_visible (ctree, node))
{
GTK_CLIST (ctree)->rows -= tmp;
if (!GTK_CLIST_FROZEN (ctree))
gtk_clist_thaw (GTK_CLIST (ctree));
}
}
}
static void
cell_set_text (GtkCList *clist,
GtkCListRow *clist_row,
gint column,
gchar *text)
{
cell_empty (clist, clist_row, column);
if (text)
{
clist_row->cell[column].type = GTK_CELL_TEXT;
GTK_CELL_TEXT (clist_row->cell[column])->text = g_strdup (text);
}
}
static void
cell_set_pixmap (GtkCList *clist,
GtkCListRow *clist_row,
gint column,
GdkPixmap *pixmap,
GdkBitmap *mask)
{
cell_empty (clist, clist_row, column);
if (pixmap)
{
clist_row->cell[column].type = GTK_CELL_PIXMAP;
GTK_CELL_PIXMAP (clist_row->cell[column])->pixmap = pixmap;
GTK_CELL_PIXMAP (clist_row->cell[column])->mask = mask;
}
}
static void
cell_set_pixtext (GtkCList *clist,
GtkCListRow *clist_row,
gint column,
gchar *text,
guint8 spacing,
GdkPixmap *pixmap,
GdkBitmap *mask)
{
cell_empty (clist, clist_row, column);
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;
}
}
static void
set_node_info (GtkCTree *ctree,
GList *node,
gchar *text,
guint8 spacing,
GdkPixmap *pixmap_closed,
GdkBitmap *mask_closed,
GdkPixmap *pixmap_opened,
GdkBitmap *mask_opened,
gboolean is_leaf,
gboolean expanded)
{
GtkCellPixText *tree_cell;
if (GTK_CTREE_ROW (node)->pixmap_opened)
{
gdk_pixmap_unref (GTK_CTREE_ROW (node)->pixmap_opened);
if (GTK_CTREE_ROW (node)->mask_opened)
gdk_bitmap_unref (GTK_CTREE_ROW (node)->mask_opened);
}
if (GTK_CTREE_ROW (node)->pixmap_closed)
{
gdk_pixmap_unref (GTK_CTREE_ROW (node)->pixmap_closed);
if (GTK_CTREE_ROW (node)->mask_closed)
gdk_bitmap_unref (GTK_CTREE_ROW (node)->mask_closed);
}
GTK_CTREE_ROW (node)->pixmap_opened = NULL;
GTK_CTREE_ROW (node)->mask_opened = NULL;
GTK_CTREE_ROW (node)->pixmap_closed = NULL;
GTK_CTREE_ROW (node)->mask_closed = NULL;
if (pixmap_closed)
{
GTK_CTREE_ROW (node)->pixmap_closed = gdk_pixmap_ref (pixmap_closed);
if (mask_closed)
GTK_CTREE_ROW (node)->mask_closed = gdk_bitmap_ref (mask_closed);
}
if (pixmap_opened)
{
GTK_CTREE_ROW (node)->pixmap_opened = gdk_pixmap_ref (pixmap_opened);
if (mask_opened)
GTK_CTREE_ROW (node)->mask_opened = gdk_bitmap_ref (mask_opened);
}
GTK_CTREE_ROW (node)->is_leaf = is_leaf;
GTK_CTREE_ROW (node)->expanded = (is_leaf) ? FALSE : expanded;
GTK_CTREE_ROW (node)->row.cell[ctree->tree_column].type = GTK_CELL_PIXTEXT;
tree_cell = GTK_CELL_PIXTEXT (GTK_CTREE_ROW
(node)->row.cell[ctree->tree_column]);
if (tree_cell->text)
g_free (tree_cell->text);
tree_cell->text = g_strdup (text);
tree_cell->spacing = spacing;
if (expanded)
{
tree_cell->pixmap = pixmap_opened;
tree_cell->mask = mask_opened;
}
else
{
tree_cell->pixmap = pixmap_closed;
tree_cell->mask = mask_closed;
}
}
static void
tree_delete (GtkCTree *ctree,
GList *node,
gpointer data)
{
GtkCList *clist;
clist = GTK_CLIST (ctree);
if (GTK_CTREE_ROW (node)->row.state == GTK_STATE_SELECTED)
{
GList *work;
work = g_list_find (clist->selection, node);
if (work)
{
if (ctree->selection_last && ctree->selection_last == work)
ctree->selection_last = ctree->selection_last->prev;
clist->selection = g_list_remove (clist->selection, node);
}
}
row_delete (ctree, GTK_CTREE_ROW (node));
g_list_free_1 (node);
}
static void
tree_delete_row (GtkCTree *ctree,
GList *node,
gpointer data)
{
row_delete (ctree, GTK_CTREE_ROW (node));
g_list_free_1 (node);
}
static void
tree_update_level (GtkCTree *ctree,
GList *node,
gpointer data)
{
if (!node)
return;
if (GTK_CTREE_ROW (node)->parent)
GTK_CTREE_ROW (node)->level =
GTK_CTREE_ROW (GTK_CTREE_ROW (node)->parent)->level + 1;
else
GTK_CTREE_ROW (node)->level = 1;
}
static void
tree_select (GtkCTree *ctree,
GList *node,
gpointer data)
{
if (node && GTK_CTREE_ROW (node)->row.state != GTK_STATE_SELECTED)
gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_SELECT_ROW],
node, data);
}
static void
tree_unselect (GtkCTree *ctree,
GList *node,
gpointer data)
{
if (node && GTK_CTREE_ROW (node)->row.state == GTK_STATE_SELECTED)
gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_UNSELECT_ROW],
node, data);
}
static void
tree_expand (GtkCTree *ctree,
GList *node,
gpointer data)
{
if (node && !GTK_CTREE_ROW (node)->expanded)
gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_EXPAND], node,
data);
}
static void
tree_collapse (GtkCTree *ctree,
GList *node,
gpointer data)
{
if (node && GTK_CTREE_ROW (node)->expanded)
gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_COLLAPSE], node,
data);
}
static GtkCTreeRow *
row_new (GtkCTree *ctree)
{
GtkCList *clist;
GtkCTreeRow *ctree_row;
int i;
clist = GTK_CLIST (ctree);
ctree_row = g_chunk_new (GtkCTreeRow, clist->row_mem_chunk);
ctree_row->row.cell = g_chunk_new (GtkCell, clist->cell_mem_chunk);
for (i = 0; i < clist->columns; i++)
{
ctree_row->row.cell[i].type = GTK_CELL_EMPTY;
ctree_row->row.cell[i].vertical = 0;
ctree_row->row.cell[i].horizontal = 0;
}
GTK_CELL_PIXTEXT (ctree_row->row.cell[ctree->tree_column])->text = NULL;
ctree_row->row.fg_set = FALSE;
ctree_row->row.bg_set = FALSE;
ctree_row->row.state = GTK_STATE_NORMAL;
ctree_row->row.data = NULL;
ctree_row->row.destroy = NULL;
ctree_row->level = 0;
ctree_row->expanded = FALSE;
ctree_row->parent = NULL;
ctree_row->sibling = NULL;
ctree_row->children = NULL;
ctree_row->pixmap_closed = NULL;
ctree_row->mask_closed = NULL;
ctree_row->pixmap_opened = NULL;
ctree_row->mask_opened = NULL;
return ctree_row;
}
static void
row_delete (GtkCTree *ctree,
GtkCTreeRow *ctree_row)
{
GtkCList *clist;
gint i;
clist = GTK_CLIST (ctree);
for (i = 0; i < clist->columns; i++)
cell_empty (clist, &(ctree_row->row), i);
if (ctree_row->pixmap_closed)
{
gdk_pixmap_unref (ctree_row->pixmap_closed);
if (ctree_row->mask_closed)
gdk_bitmap_unref (ctree_row->mask_closed);
}
if (ctree_row->pixmap_opened)
{
gdk_pixmap_unref (ctree_row->pixmap_opened);
if (ctree_row->mask_opened)
gdk_bitmap_unref (ctree_row->mask_opened);
}
if (ctree_row->row.destroy)
ctree_row->row.destroy (ctree_row->row.data);
g_mem_chunk_free (clist->cell_mem_chunk, ctree_row->row.cell);
g_mem_chunk_free (clist->row_mem_chunk, ctree_row);
}
static void
cell_empty (GtkCList *clist,
GtkCListRow *clist_row,
gint column)
{
switch (clist_row->cell[column].type)
{
case GTK_CELL_EMPTY:
break;
case GTK_CELL_TEXT:
g_free (GTK_CELL_TEXT (clist_row->cell[column])->text);
break;
case GTK_CELL_PIXMAP:
gdk_pixmap_unref (GTK_CELL_PIXMAP (clist_row->cell[column])->pixmap);
if (GTK_CELL_PIXMAP (clist_row->cell[column])->mask)
gdk_bitmap_unref (GTK_CELL_PIXMAP (clist_row->cell[column])->mask);
break;
case GTK_CELL_PIXTEXT:
if (GTK_CTREE (clist)->tree_column == column)
{
if (GTK_CELL_PIXTEXT (clist_row->cell[column])->text)
g_free (GTK_CELL_PIXTEXT (clist_row->cell[column])->text);
break;
}
g_free (GTK_CELL_PIXTEXT (clist_row->cell[column])->text);
gdk_pixmap_unref (GTK_CELL_PIXTEXT (clist_row->cell[column])->pixmap);
if (GTK_CELL_PIXTEXT (clist_row->cell[column])->mask)
gdk_bitmap_unref (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;
}
static void
real_tree_select (GtkCTree *ctree,
GList *node,
gint column)
{
GtkCList *clist;
GList *selection;
g_return_if_fail (ctree != NULL);
if (!node)
return;
clist = GTK_CLIST (ctree);
if (GTK_CTREE_ROW (node)->row.state == GTK_STATE_SELECTED)
return;
if (clist->selection_mode == GTK_SELECTION_SINGLE ||
clist->selection_mode == GTK_SELECTION_BROWSE)
{
GList *list;
GList *sel_row;
list = clist->selection;
while (list)
{
sel_row = list->data;
list = list->next;
if (node != sel_row &&
GTK_CTREE_ROW (sel_row)->row.state == GTK_STATE_SELECTED)
gtk_signal_emit (GTK_OBJECT (ctree),
ctree_signals[TREE_UNSELECT_ROW], sel_row,
column);
}
}
GTK_CTREE_ROW (node)->row.state = GTK_STATE_SELECTED;
selection = g_list_alloc ();
selection->data = node;
if (ctree->selection_last)
{
ctree->selection_last->next = selection;
selection->prev = ctree->selection_last;
}
else
clist->selection = selection;
ctree->selection_last = selection;
tree_draw_row (ctree, node);
}
static void
real_tree_unselect (GtkCTree *ctree,
GList *node,
gint column)
{
GtkCList *clist;
g_return_if_fail (ctree != NULL);
if (!node)
return;
if (GTK_CTREE_ROW (node)->row.state != GTK_STATE_SELECTED)
return;
clist = GTK_CLIST (ctree);
if (ctree->selection_last && ctree->selection_last->data == node)
ctree->selection_last = ctree->selection_last->prev;
clist->selection = g_list_remove (clist->selection, node);
GTK_CTREE_ROW (node)->row.state = GTK_STATE_NORMAL;
tree_draw_row (ctree, node);
}
static void
tree_toggle_selection (GtkCTree *ctree,
GList *node,
gint column)
{
switch (GTK_CLIST (ctree)->selection_mode)
{
case GTK_SELECTION_SINGLE:
case GTK_SELECTION_MULTIPLE:
if (node && GTK_CTREE_ROW (node)->row.state == GTK_STATE_SELECTED)
gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_UNSELECT_ROW],
node, column);
else
gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_SELECT_ROW],
node, column);
break;
case GTK_SELECTION_BROWSE:
if (node && GTK_CTREE_ROW (node)->row.state == GTK_STATE_NORMAL)
gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_SELECT_ROW],
node, column);
break;
case GTK_SELECTION_EXTENDED:
break;
default:
break;
}
}
static gboolean
ctree_is_hot_spot (GtkCTree *ctree,
GList *node,
gint row,
gint x,
gint y)
{
GtkCTreeRow *tree_row;
GtkCList *clist;
GtkCellPixText *cell;
gint xl;
gint yu;
g_return_val_if_fail (ctree != NULL, FALSE);
g_return_val_if_fail (GTK_IS_CTREE (ctree), FALSE);
g_return_val_if_fail (node != NULL, FALSE);
tree_row = GTK_CTREE_ROW (node);
clist = GTK_CLIST (ctree);
cell = GTK_CELL_PIXTEXT(tree_row->row.cell[ctree->tree_column]);
yu = ROW_TOP_YPIXEL (clist, row) + (clist->row_height - PM_SIZE) / 2;
if (clist->column[ctree->tree_column].justification == GTK_JUSTIFY_RIGHT)
{
xl = clist->column[ctree->tree_column].area.x
+ clist->column[ctree->tree_column].area.width + clist->hoffset
/*+ cell->horizontal +*/
- (tree_row->level - 1) * ctree->tree_indent
- PM_SIZE - 1;
}
else
{
xl = clist->column[ctree->tree_column].area.x + clist->hoffset
+ cell->horizontal + (tree_row->level - 1) * ctree->tree_indent;
}
return (x >= xl && x <= xl + PM_SIZE && y >= yu && y <= yu + PM_SIZE);
}
static gint
default_compare (GtkCTree *ctree,
const GList *node1,
const GList *node2)
{
char *text1;
char *text2;
text1 = GTK_CELL_PIXTEXT (GTK_CTREE_ROW
(node1)->row.cell[ctree->tree_column])->text;
text2 = GTK_CELL_PIXTEXT (GTK_CTREE_ROW
(node2)->row.cell[ctree->tree_column])->text;
return strcmp (text1, text2);
}
/***********************************************************
***********************************************************
*** Public interface ***
***********************************************************
***********************************************************/
/***********************************************************
* Creation, insertion, deletion *
***********************************************************/
void
gtk_ctree_construct (GtkCTree *ctree,
gint columns,
gint tree_column,
gchar *titles[])
{
GtkCList *clist;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
g_return_if_fail (GTK_CLIST_CONSTRUCTED (ctree) == FALSE);
clist = GTK_CLIST (ctree);
clist->row_mem_chunk = g_mem_chunk_new ("ctree row mem chunk",
sizeof (GtkCTreeRow),
sizeof (GtkCTreeRow)
* CLIST_OPTIMUM_SIZE,
G_ALLOC_AND_FREE);
clist->cell_mem_chunk = g_mem_chunk_new ("ctree cell mem chunk",
sizeof (GtkCell) * columns,
sizeof (GtkCell) * columns
* CLIST_OPTIMUM_SIZE,
G_ALLOC_AND_FREE);
ctree->tree_column = tree_column;
gtk_clist_construct (clist, columns, titles);
}
GtkWidget *
gtk_ctree_new_with_titles (gint columns,
gint tree_column,
gchar *titles[])
{
GtkWidget *widget;
g_return_val_if_fail (columns > 0, NULL);
g_return_val_if_fail (tree_column >= 0 && tree_column < columns, NULL);
widget = gtk_type_new (gtk_ctree_get_type ());
gtk_ctree_construct (GTK_CTREE (widget), columns, tree_column, titles);
return widget;
}
GtkWidget *
gtk_ctree_new (gint columns,
gint tree_column)
{
return gtk_ctree_new_with_titles (columns, tree_column, NULL);
}
GList *
gtk_ctree_insert (GtkCTree *ctree,
GList *parent,
GList *sibling,
gchar *text[],
guint8 spacing,
GdkPixmap *pixmap_closed,
GdkBitmap *mask_closed,
GdkPixmap *pixmap_opened,
GdkBitmap *mask_opened,
gboolean is_leaf,
gboolean expanded)
{
GtkCList *clist;
GtkCTreeRow *new_row;
GList *node;
gint i;
g_return_val_if_fail (ctree != NULL, NULL);
g_return_val_if_fail (!sibling || GTK_CTREE_ROW (sibling)->parent == parent,
NULL);
if (parent && GTK_CTREE_ROW (parent)->is_leaf)
return NULL;
clist = GTK_CLIST (ctree);
/* create the row */
new_row = row_new (ctree);
node = g_list_alloc ();
node->data = new_row;
if (text)
for (i = 0; i < clist->columns; i++)
if (text[i] && i != ctree->tree_column)
cell_set_text (clist, &(new_row->row), i, text[i]);
set_node_info (ctree, node, text[ctree->tree_column], spacing, pixmap_closed,
mask_closed, pixmap_opened, mask_opened, is_leaf, expanded);
/* sorted insertion */
if (ctree->auto_sort)
{
if (parent)
sibling = GTK_CTREE_ROW (parent)->children;
else
sibling = clist->row_list;
while (sibling && ctree->node_compare (ctree, node, sibling) > 0)
sibling = GTK_CTREE_ROW (sibling)->sibling;
}
gtk_ctree_link (ctree, node, parent, sibling);
return node;
}
void
gtk_ctree_remove (GtkCTree *ctree,
GList *node)
{
GtkCList *clist;
gboolean thaw = FALSE;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
clist = GTK_CLIST (ctree);
if (!GTK_CLIST_FROZEN (clist))
{
gtk_clist_freeze (clist);
thaw = TRUE;
}
if (node)
{
gtk_ctree_unlink (ctree, node);
gtk_ctree_post_recursive (ctree, node, GTK_CTREE_FUNC (tree_delete),
NULL);
}
else
{
GList *work;
GList *ptr;
work = clist->row_list;
clist->row_list = NULL;
clist->row_list_end = NULL;
clist->rows = 0;
while (work)
{
ptr = work;
work = GTK_CTREE_ROW (work)->sibling;
gtk_ctree_post_recursive (ctree, ptr, GTK_CTREE_FUNC (tree_delete),
NULL);
}
}
if (thaw)
gtk_clist_thaw (clist);
}
void
gtk_ctree_clear (GtkCTree *ctree)
{
GtkCList *clist;
GList *work;
GList *ptr;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
clist = GTK_CLIST (ctree);
/* free up the selection list */
g_list_free (clist->selection);
clist->selection = NULL;
ctree->selection_last = NULL;
/* remove all the rows */
work = clist->row_list;
clist->row_list = NULL;
clist->row_list_end = NULL;
clist->rows = 0;
while (work)
{
ptr = work;
work = GTK_CTREE_ROW (work)->sibling;
gtk_ctree_post_recursive (ctree, ptr, GTK_CTREE_FUNC (tree_delete_row),
NULL);
}
clist->voffset = 0;
ctree->drag_row = -1;
ctree->drag_rect = FALSE;
ctree->in_drag = FALSE;
ctree->drag_source = NULL;
ctree->drag_target = NULL;
ctree->drag_icon = NULL;
/* zero-out the scrollbars */
if (clist->vscrollbar)
{
GTK_RANGE (clist->vscrollbar)->adjustment->value = 0.0;
gtk_signal_emit_by_name
(GTK_OBJECT (GTK_RANGE (clist->vscrollbar)->adjustment), "changed");
if (!GTK_CLIST_FROZEN (clist))
gtk_clist_thaw (clist);
}
}
/***********************************************************
* Generic recursive functions, querying / finding tree *
* information *
***********************************************************/
void
gtk_ctree_post_recursive (GtkCTree *ctree,
GList *node,
GtkCTreeFunc func,
gpointer data)
{
GList *work;
GList *tmp;
if (node)
work = GTK_CTREE_ROW (node)->children;
else
work = GTK_CLIST (ctree)->row_list;
while (work)
{
tmp = GTK_CTREE_ROW (work)->sibling;
gtk_ctree_post_recursive (ctree, work, func, data);
work = tmp;
}
(* func) (ctree, node, data);
}
void
gtk_ctree_pre_recursive (GtkCTree *ctree,
GList *node,
GtkCTreeFunc func,
gpointer data)
{
GList *work;
GList *tmp;
(* func) (ctree, node, data);
if (node)
work = GTK_CTREE_ROW (node)->children;
else
work = GTK_CLIST (ctree)->row_list;
while (work)
{
tmp = GTK_CTREE_ROW (work)->sibling;
gtk_ctree_pre_recursive (ctree, work, func, data);
work = tmp;
}
}
gboolean
gtk_ctree_is_visible (GtkCTree *ctree,
GList *node)
{
GtkCTreeRow *work;
work = GTK_CTREE_ROW (node);
while (work->parent && GTK_CTREE_ROW (work->parent)->expanded)
work = GTK_CTREE_ROW (work->parent);
if (!work->parent)
return TRUE;
return FALSE;
}
GList *
gtk_ctree_last (GtkCTree *ctree,
GList *node)
{
if (!node)
return NULL;
while (GTK_CTREE_ROW (node)->sibling)
node = GTK_CTREE_ROW (node)->sibling;
if (GTK_CTREE_ROW (node)->children)
return gtk_ctree_last (ctree, GTK_CTREE_ROW (node)->children);
return node;
}
gint
gtk_ctree_find (GtkCTree *ctree,
GList *node,
GList *child)
{
while (node)
{
if (node == child)
return TRUE;
if (GTK_CTREE_ROW (node)->children)
{
if (gtk_ctree_find (ctree, GTK_CTREE_ROW (node)->children, child))
return TRUE;
}
node = GTK_CTREE_ROW (node)->sibling;
}
return FALSE;
}
gboolean
gtk_ctree_is_ancestor (GtkCTree *ctree,
GList *node,
GList *child)
{
return gtk_ctree_find (ctree, GTK_CTREE_ROW (node)->children, child);
}
GList *
gtk_ctree_find_by_row_data (GtkCTree *ctree,
GList *node,
gpointer data)
{
GList *work;
while (node)
{
if (GTK_CTREE_ROW (node)->row.data == data)
return node;
if (GTK_CTREE_ROW (node)->children &&
(work = gtk_ctree_find_by_row_data
(ctree, GTK_CTREE_ROW (node)->children, data)))
return work;
node = GTK_CTREE_ROW (node)->sibling;
}
return NULL;
}
gboolean
gtk_ctree_is_hot_spot (GtkCTree *ctree,
gint x,
gint y)
{
GList *node;
gint row;
gint column;
g_return_val_if_fail (ctree != NULL, FALSE);
g_return_val_if_fail (GTK_IS_CTREE (ctree), FALSE);
if (gtk_clist_get_selection_info (GTK_CLIST (ctree), x, y, &row, &column))
if ((node = g_list_nth (GTK_CLIST (ctree)->row_list, row)))
return ctree_is_hot_spot (ctree, node, row, x, y);
return FALSE;
}
/***********************************************************
* Tree signals : move, expand, collapse, (un)select *
***********************************************************/
void
gtk_ctree_move (GtkCTree *ctree,
GList *node,
GList *new_parent,
GList *new_sibling)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (node != NULL);
gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_MOVE], node,
new_parent, new_sibling);
}
void
gtk_ctree_expand (GtkCTree *ctree,
GList *node)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (node != NULL);
gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_EXPAND], node);
}
void
gtk_ctree_expand_recursive (GtkCTree *ctree,
GList *node)
{
GtkCList *clist;
gboolean thaw = FALSE;
g_return_if_fail (ctree != NULL);
clist = GTK_CLIST (ctree);
if (node && !GTK_CTREE_ROW (node)->children)
return;
if (((node && gtk_ctree_is_visible (ctree, node)) || !node) &&
!GTK_CLIST_FROZEN (clist))
{
gtk_clist_freeze (clist);
thaw = TRUE;
}
gtk_ctree_post_recursive (ctree, node, GTK_CTREE_FUNC (tree_expand), NULL);
if (thaw)
gtk_clist_thaw (clist);
}
void
gtk_ctree_collapse (GtkCTree *ctree,
GList *node)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (node != NULL);
gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_COLLAPSE], node);
}
void
gtk_ctree_collapse_recursive (GtkCTree *ctree,
GList *node)
{
GtkCList *clist;
gboolean thaw = FALSE;
g_return_if_fail (ctree != NULL);
clist = GTK_CLIST (ctree);
if (node && !GTK_CTREE_ROW (node)->children)
return;
if (((node && gtk_ctree_is_visible (ctree, node)) || !node) &&
!GTK_CLIST_FROZEN (clist))
{
gtk_clist_freeze (clist);
thaw = TRUE;
}
gtk_ctree_post_recursive (ctree, node, GTK_CTREE_FUNC (tree_collapse), NULL);
if (thaw)
gtk_clist_thaw (clist);
}
void
gtk_ctree_select (GtkCTree *ctree,
GList *node)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (node != NULL);
gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_SELECT_ROW], node);
}
void
gtk_ctree_unselect (GtkCTree *ctree,
GList *node)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (node != NULL);
gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_UNSELECT_ROW], node);
}
void
gtk_ctree_select_recursive (GtkCTree *ctree,
GList *node)
{
gtk_ctree_real_select_recursive (ctree, node, TRUE);
}
void
gtk_ctree_unselect_recursive (GtkCTree *ctree,
GList *node)
{
gtk_ctree_real_select_recursive (ctree, node, FALSE);
}
void
gtk_ctree_real_select_recursive (GtkCTree *ctree,
GList *node,
gint state)
{
GtkCList *clist;
gboolean thaw = FALSE;
g_return_if_fail (ctree != NULL);
clist = GTK_CLIST (ctree);
if (clist->selection_mode == GTK_SELECTION_EXTENDED ||
(state && clist->selection_mode != GTK_SELECTION_MULTIPLE) ||
(!state && clist->selection_mode == GTK_SELECTION_BROWSE))
return;
if (((node && gtk_ctree_is_visible (ctree, node)) || !node) &&
!GTK_CLIST_FROZEN (clist))
{
gtk_clist_freeze (clist);
thaw = TRUE;
}
if (state)
gtk_ctree_post_recursive (ctree, node,
GTK_CTREE_FUNC (tree_select), NULL);
else
gtk_ctree_post_recursive (ctree, node,
GTK_CTREE_FUNC (tree_unselect), NULL);
if (thaw)
gtk_clist_thaw (clist);
}
/***********************************************************
* Analogons of GtkCList functions *
***********************************************************/
void
gtk_ctree_set_text (GtkCTree *ctree,
GList *node,
gint column,
gchar *text)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
g_return_if_fail (node != NULL);
g_return_if_fail (ctree->tree_column != column);
if (column < 0 || column >= GTK_CLIST (ctree)->columns)
return;
cell_set_text (GTK_CLIST (ctree), &(GTK_CTREE_ROW(node)->row), column, text);
tree_draw_row (ctree, node);
}
void
gtk_ctree_set_pixmap (GtkCTree *ctree,
GList *node,
gint column,
GdkPixmap *pixmap,
GdkBitmap *mask)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
g_return_if_fail (node != NULL);
g_return_if_fail (pixmap != NULL);
g_return_if_fail (ctree->tree_column != column);
if (column < 0 || column >= GTK_CLIST (ctree)->columns)
return;
gdk_pixmap_ref (pixmap);
if (mask)
gdk_pixmap_ref (mask);
cell_set_pixmap (GTK_CLIST (ctree), &(GTK_CTREE_ROW (node)->row), column,
pixmap, mask);
tree_draw_row (ctree, node);
}
void
gtk_ctree_set_pixtext (GtkCTree *ctree,
GList *node,
gint column,
gchar *text,
guint8 spacing,
GdkPixmap *pixmap,
GdkBitmap *mask)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
g_return_if_fail (node != NULL);
g_return_if_fail (pixmap != NULL);
g_return_if_fail (ctree->tree_column != column);
if (column < 0 || column >= GTK_CLIST (ctree)->columns)
return;
gdk_pixmap_ref (pixmap);
if (mask)
gdk_pixmap_ref (mask);
cell_set_pixtext (GTK_CLIST (ctree), &(GTK_CTREE_ROW (node)->row), column,
text, spacing, pixmap, mask);
tree_draw_row (ctree, node);
}
void
gtk_ctree_set_node_info (GtkCTree *ctree,
GList *node,
gchar *text,
guint8 spacing,
GdkPixmap *pixmap_closed,
GdkBitmap *mask_closed,
GdkPixmap *pixmap_opened,
GdkBitmap *mask_opened,
gboolean is_leaf,
gboolean expanded)
{
gboolean old_leaf;
gboolean old_expanded;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
g_return_if_fail (node != NULL);
old_leaf = GTK_CTREE_ROW (node)->is_leaf;
old_expanded = GTK_CTREE_ROW (node)->expanded;
if (is_leaf && GTK_CTREE_ROW (node)->children)
{
GList *work;
GList *ptr;
work = GTK_CTREE_ROW (node)->children;
while (work)
{
ptr = work;
work = GTK_CTREE_ROW(work)->sibling;
gtk_ctree_remove (ctree, ptr);
}
}
set_node_info (ctree, node, text, spacing, pixmap_closed, mask_closed,
pixmap_opened, mask_opened, is_leaf, old_expanded);
if (!is_leaf && !old_leaf)
{
if (expanded && !old_expanded)
gtk_ctree_expand (ctree, node);
else if (!expanded && old_expanded)
gtk_ctree_collapse (ctree, node);
}
GTK_CTREE_ROW (node)->expanded = expanded;
tree_draw_row (ctree, node);
}
void
gtk_ctree_set_shift (GtkCTree *ctree,
GList *node,
gint column,
gint vertical,
gint horizontal)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
g_return_if_fail (node != NULL);
if (column < 0 || column >= GTK_CLIST (ctree)->columns)
return;
GTK_CTREE_ROW (node)->row.cell[column].vertical = vertical;
GTK_CTREE_ROW (node)->row.cell[column].horizontal = horizontal;
tree_draw_row (ctree, node);
}
GtkCellType
gtk_ctree_get_cell_type (GtkCTree *ctree,
GList *node,
gint column)
{
g_return_val_if_fail (ctree != NULL, -1);
g_return_val_if_fail (GTK_IS_CTREE (ctree), -1);
g_return_val_if_fail (node != NULL, -1);
if (column < 0 || column >= GTK_CLIST (ctree)->columns)
return -1;
return GTK_CTREE_ROW (node)->row.cell[column].type;
}
gint
gtk_ctree_get_text (GtkCTree *ctree,
GList *node,
gint column,
gchar **text)
{
g_return_val_if_fail (ctree != NULL, 0);
g_return_val_if_fail (GTK_IS_CTREE (ctree), 0);
g_return_val_if_fail (node != NULL, 0);
if (column < 0 || column >= GTK_CLIST (ctree)->columns)
return 0;
if (GTK_CTREE_ROW (node)->row.cell[column].type != GTK_CELL_TEXT)
return 0;
if (text)
*text = GTK_CELL_TEXT (GTK_CTREE_ROW (node)->row.cell[column])->text;
return 1;
}
gint
gtk_ctree_get_pixmap (GtkCTree *ctree,
GList *node,
gint column,
GdkPixmap **pixmap,
GdkBitmap **mask)
{
g_return_val_if_fail (ctree != NULL, 0);
g_return_val_if_fail (GTK_IS_CTREE (ctree), 0);
g_return_val_if_fail (node != NULL, 0);
if (column < 0 || column >= GTK_CLIST (ctree)->columns)
return 0;
if (GTK_CTREE_ROW (node)->row.cell[column].type != GTK_CELL_PIXMAP)
return 0;
if (pixmap)
*pixmap = GTK_CELL_PIXMAP (GTK_CTREE_ROW(node)->row.cell[column])->pixmap;
if (mask)
*mask = GTK_CELL_PIXMAP (GTK_CTREE_ROW (node)->row.cell[column])->mask;
return 1;
}
gint
gtk_ctree_get_pixtext (GtkCTree *ctree,
GList *node,
gint column,
gchar **text,
guint8 *spacing,
GdkPixmap **pixmap,
GdkBitmap **mask)
{
g_return_val_if_fail (ctree != NULL, 0);
g_return_val_if_fail (GTK_IS_CTREE (ctree), 0);
g_return_val_if_fail (node != NULL, 0);
if (column < 0 || column >= GTK_CLIST (ctree)->columns)
return 0;
if (GTK_CTREE_ROW (node)->row.cell[column].type != GTK_CELL_PIXTEXT)
return 0;
if (text)
*text = GTK_CELL_PIXTEXT (GTK_CTREE_ROW (node)->row.cell[column])->text;
if (spacing)
*spacing = GTK_CELL_PIXTEXT (GTK_CTREE_ROW
(node)->row.cell[column])->spacing;
if (pixmap)
*pixmap = GTK_CELL_PIXTEXT (GTK_CTREE_ROW
(node)->row.cell[column])->pixmap;
if (mask)
*mask = GTK_CELL_PIXTEXT (GTK_CTREE_ROW (node)->row.cell[column])->mask;
return 1;
}
gint
gtk_ctree_get_node_info (GtkCTree *ctree,
GList *node,
gchar **text,
guint8 *spacing,
GdkPixmap **pixmap_closed,
GdkBitmap **mask_closed,
GdkPixmap **pixmap_opened,
GdkBitmap **mask_opened,
gboolean *is_leaf,
gboolean *expanded)
{
g_return_val_if_fail (ctree != NULL, 0);
g_return_val_if_fail (GTK_IS_CTREE (ctree), 0);
g_return_val_if_fail (node != NULL, 0);
if (text)
*text = GTK_CELL_PIXTEXT
(GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->text;
if (spacing)
*spacing = GTK_CELL_PIXTEXT
(GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->spacing;
if (pixmap_closed)
*pixmap_closed = GTK_CTREE_ROW (node)->pixmap_closed;
if (mask_closed)
*mask_closed = GTK_CTREE_ROW (node)->mask_closed;
if (pixmap_opened)
*pixmap_opened = GTK_CTREE_ROW (node)->pixmap_opened;
if (mask_opened)
*mask_opened = GTK_CTREE_ROW (node)->mask_opened;
if (is_leaf)
*is_leaf = GTK_CTREE_ROW (node)->is_leaf;
if (expanded)
*expanded = GTK_CTREE_ROW (node)->expanded;
return 1;
}
void
gtk_ctree_set_foreground (GtkCTree *ctree,
GList *node,
GdkColor *color)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
g_return_if_fail (node != NULL);
if (color)
{
GTK_CTREE_ROW (node)->row.foreground = *color;
GTK_CTREE_ROW (node)->row.fg_set = TRUE;
}
else
GTK_CTREE_ROW (node)->row.fg_set = FALSE;
tree_draw_row (ctree, node);
}
void
gtk_ctree_set_background (GtkCTree *ctree,
GList *node,
GdkColor *color)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
g_return_if_fail (node != NULL);
if (color)
{
GTK_CTREE_ROW (node)->row.background = *color;
GTK_CTREE_ROW (node)->row.bg_set = TRUE;
}
else
GTK_CTREE_ROW (node)->row.bg_set = FALSE;
tree_draw_row (ctree, node);
}
void
gtk_ctree_set_selection_mode (GtkCTree *ctree,
GtkSelectionMode mode)
{
GtkCList *clist;
GList *selection;
GList *work;
gboolean thaw = FALSE;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
clist = GTK_CLIST (ctree);
if (mode == clist->selection_mode)
return;
clist->selection_mode = mode;
if (mode == GTK_SELECTION_MULTIPLE)
return;
selection = clist->selection;
if (selection && mode == GTK_SELECTION_BROWSE)
selection = selection->next;
if (!selection)
return;
if (!GTK_CLIST_FROZEN (clist))
{
gtk_clist_freeze (clist);
thaw = TRUE;
}
while (selection)
{
work = selection->data;
selection = selection->next;
gtk_signal_emit (GTK_OBJECT (ctree),
ctree_signals[TREE_UNSELECT_ROW], work);
}
if (thaw)
gtk_clist_thaw (clist);
}
void
gtk_ctree_set_row_data (GtkCTree *ctree,
GList *node,
gpointer data)
{
gtk_ctree_set_row_data_full (ctree, node, data, NULL);
}
void
gtk_ctree_set_row_data_full (GtkCTree *ctree,
GList *node,
gpointer data,
GtkDestroyNotify destroy)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
GTK_CTREE_ROW (node)->row.data = data;
GTK_CTREE_ROW (node)->row.destroy = destroy;
}
gpointer
gtk_ctree_get_row_data (GtkCTree *ctree,
GList *node)
{
g_return_val_if_fail (ctree != NULL, NULL);
g_return_val_if_fail (GTK_IS_CTREE (ctree), NULL);
g_return_val_if_fail (node != NULL, NULL);
return GTK_CTREE_ROW (node)->row.data;
}
void
gtk_ctree_scroll_to (GtkCTree *ctree,
GList *node,
gint column,
gfloat row_align,
gfloat col_align)
{
gint x;
gint y;
gint row = 0;
GtkCList *clist;
GList *work;
GtkAdjustment *adj;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
clist = GTK_CLIST (ctree);
if (node && !gtk_ctree_is_visible (ctree, node))
return;
/* adjust vertical scrollbar */
if (node)
{
adj = GTK_RANGE (clist->vscrollbar)->adjustment;
work = clist->row_list;
while (work && work != node)
{
work = work->next;
row++;
}
if (!work)
return;
y = ROW_TOP_YPIXEL (clist, row) - clist->voffset;
y = y - row_align * (clist->clist_window_height - clist->row_height)
+ (2 * row_align - 1) * CELL_SPACING;
if (y + adj->page_size > adj->upper)
gtk_adjustment_set_value (adj, adj->upper - adj->page_size);
else
gtk_adjustment_set_value (adj, y);
}
/* adjust horizontal scrollbar */
if (column >= 0)
{
adj = GTK_RANGE (clist->hscrollbar)->adjustment;
x = COLUMN_LEFT (clist, column);
x = x - col_align *
(clist->clist_window_width - clist->column[column].area.width)
+ (2 * col_align - 1) * COLUMN_INSET;
gtk_adjustment_set_value (adj, x);
}
}
/***********************************************************
* GtkCTree specific functions *
***********************************************************/
void
gtk_ctree_set_indent (GtkCTree *ctree,
gint indent)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
g_return_if_fail (indent >= 0);
if (indent != ctree->tree_indent)
{
ctree->tree_indent = indent;
if (!GTK_CLIST_FROZEN (ctree))
gtk_clist_thaw (GTK_CLIST (ctree));
}
}
void
gtk_ctree_set_reorderable (GtkCTree *ctree,
gboolean reorderable)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
if (ctree->reorderable == (reorderable != 0))
return;
ctree->reorderable = (reorderable != 0);
if (GTK_WIDGET_REALIZED (ctree))
{
if (ctree->reorderable)
create_xor_gc (ctree);
else
gdk_gc_destroy (ctree->xor_gc);
}
}
void
gtk_ctree_set_use_drag_icons (GtkCTree *ctree,
gboolean use_icons)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
if (ctree->use_icons == (use_icons != 0))
return;
ctree->use_icons = (use_icons != 0);
}
void
gtk_ctree_set_line_style (GtkCTree *ctree,
GtkCTreeLineStyle line_style)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
if (line_style != ctree->line_style)
{
ctree->line_style = line_style;
if (!GTK_WIDGET_REALIZED (ctree))
return;
switch (line_style)
{
case GTK_CTREE_LINES_SOLID:
if (GTK_WIDGET_REALIZED (ctree))
gdk_gc_set_line_attributes (ctree->lines_gc, 1, GDK_LINE_SOLID,
None, None);
break;
case GTK_CTREE_LINES_DOTTED:
if (GTK_WIDGET_REALIZED (ctree))
gdk_gc_set_line_attributes (ctree->lines_gc, 1,
GDK_LINE_ON_OFF_DASH, None, None);
gdk_gc_set_dashes (ctree->lines_gc, 0, "\1\1", 2);
break;
case GTK_CTREE_LINES_NONE:
break;
default:
return;
}
if (!GTK_CLIST_FROZEN (ctree))
gtk_clist_thaw (GTK_CLIST (ctree));
}
}
/***********************************************************
* Tree sorting functions *
***********************************************************/
void
gtk_ctree_set_auto_sort (GtkCTree *ctree,
gboolean auto_sort)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
if (ctree->auto_sort == (auto_sort != 0))
return;
ctree->auto_sort = (auto_sort != 0);
if (auto_sort)
gtk_ctree_sort_recursive (ctree, NULL);
}
void
gtk_ctree_set_compare_func (GtkCTree *ctree,
GtkCTreeCompareFunc cmp_func)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
if (cmp_func == NULL)
ctree->node_compare = default_compare;
else
ctree->node_compare = cmp_func;
}
static void
tree_sort (GtkCTree *ctree,
GList *node,
gpointer data)
{
GList *list_start;
GList *max;
GList *work;
if (node)
list_start = GTK_CTREE_ROW (node)->children;
else
list_start = GTK_CLIST (ctree)->row_list;
while (list_start)
{
max = list_start;
work = GTK_CTREE_ROW (max)->sibling;
while (work)
{
if (ctree->node_compare (ctree, work, max) < 0)
max = work;
work = GTK_CTREE_ROW (work)->sibling;
}
if (max == list_start)
list_start = GTK_CTREE_ROW (max)->sibling;
else
{
gtk_ctree_unlink (ctree,max);
gtk_ctree_link (ctree, max, node, list_start);
}
}
}
void
gtk_ctree_sort_recursive (GtkCTree *ctree,
GList *node)
{
GtkCList *clist;
gboolean thaw = FALSE;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
clist = GTK_CLIST (ctree);
if (!GTK_CLIST_FROZEN (clist))
{
gtk_clist_freeze (clist);
thaw = TRUE;
}
gtk_ctree_post_recursive (ctree, node, GTK_CTREE_FUNC (tree_sort), NULL);
if (thaw)
gtk_clist_thaw (clist);
}
void
gtk_ctree_sort (GtkCTree *ctree,
GList *node)
{
GtkCList *clist;
gboolean thaw = FALSE;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
clist = GTK_CLIST (ctree);
if (!GTK_CLIST_FROZEN (clist))
{
gtk_clist_freeze (clist);
thaw = TRUE;
}
tree_sort (ctree, node, NULL);
if (thaw)
gtk_clist_thaw (clist);
}
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