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gtk2/gtk/gtkctree.c
Lars Hamann 6a227eec1c fix focus_row adjustment (gtk_ctree_remove_node): select focus_row if 
Wed Nov  4 21:52:57 1998  Lars Hamann  <lars@gtk.org>

        * gtk/gtkctree.c (gtk_ctree_unlink): fix focus_row adjustment
        (gtk_ctree_remove_node): select focus_row if needed
        (cell_size_request): only get pixmap size if pixmap != NULL
1998-11-04 21:44:09 +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 "gtkbindings.h"
#include "gtkmain.h"
#include <gdk/gdkx.h>
#include <gdk/gdkkeysyms.h>
#define PM_SIZE 8
#define TAB_SIZE (PM_SIZE + 6)
#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)
#define GTK_CLIST_CLASS_FW(_widget_) GTK_CLIST_CLASS (GTK_OBJECT (_widget_)->klass)
static void gtk_ctree_class_init (GtkCTreeClass *klass);
static void gtk_ctree_init (GtkCTree *ctree);
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 ctree_attach_styles (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data);
static void ctree_detach_styles (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data);
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 get_cell_style (GtkCList *clist,
GtkCListRow *clist_row,
gint state,
gint column,
GtkStyle **style,
GdkGC **fg_gc,
GdkGC **bg_gc);
static gint gtk_ctree_draw_expander (GtkCTree *ctree,
GtkCTreeRow *ctree_row,
GtkStyle *style,
GdkRectangle *clip_rectangle,
gint x);
static gint gtk_ctree_draw_lines (GtkCTree *ctree,
GtkCTreeRow *ctree_row,
gint row,
gint column,
gint state,
GdkRectangle *clip_rectangle,
GdkRectangle *cell_rectangle,
GdkRectangle *crect,
GdkRectangle *area,
GtkStyle *style);
static void draw_row (GtkCList *clist,
GdkRectangle *area,
gint row,
GtkCListRow *clist_row);
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_node (GtkCTree *ctree,
GtkCTreeNode *node);
static void set_cell_contents (GtkCList *clist,
GtkCListRow *clist_row,
gint column,
GtkCellType type,
const gchar *text,
guint8 spacing,
GdkPixmap *pixmap,
GdkBitmap *mask);
static void set_node_info (GtkCTree *ctree,
GtkCTreeNode *node,
const 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,
GtkCTreeNode *node,
gpointer data);
static void tree_delete_row (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data);
static void real_clear (GtkCList *clist);
static void tree_update_level (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data);
static void tree_select (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data);
static void tree_unselect (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data);
static void real_select_all (GtkCList *clist);
static void real_unselect_all (GtkCList *clist);
static void tree_expand (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data);
static void tree_collapse (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data);
static void tree_collapse_to_depth (GtkCTree *ctree,
GtkCTreeNode *node,
gint depth);
static void tree_toggle_expansion (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data);
static void change_focus_row_expansion (GtkCTree *ctree,
GtkCTreeExpansionType expansion);
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 real_tree_select (GtkCTree *ctree,
GtkCTreeNode *node,
gint column);
static void real_tree_unselect (GtkCTree *ctree,
GtkCTreeNode *node,
gint column);
static void tree_toggle_selection (GtkCTree *ctree,
GtkCTreeNode *node,
gint column);
static void real_tree_expand (GtkCTree *ctree,
GtkCTreeNode *node);
static void real_tree_collapse (GtkCTree *ctree,
GtkCTreeNode *node);
static void real_tree_move (GtkCTree *ctree,
GtkCTreeNode *node,
GtkCTreeNode *new_parent,
GtkCTreeNode *new_sibling);
static void gtk_ctree_link (GtkCTree *ctree,
GtkCTreeNode *node,
GtkCTreeNode *parent,
GtkCTreeNode *sibling,
gboolean update_focus_row);
static void gtk_ctree_unlink (GtkCTree *ctree,
GtkCTreeNode *node,
gboolean update_focus_row);
static GtkCTreeNode * gtk_ctree_last_visible (GtkCTree *ctree,
GtkCTreeNode *node);
static gboolean ctree_is_hot_spot (GtkCTree *ctree,
GtkCTreeNode *node,
gint row,
gint x,
gint y);
static void tree_sort (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data);
static void fake_unselect_all (GtkCList *clist,
gint row);
static GList * selection_find (GtkCList *clist,
gint row_number,
GList *row_list_element);
static void resync_selection (GtkCList *clist,
GdkEvent *event);
static void real_undo_selection (GtkCList *clist);
static void select_row_recursive (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data);
static gint real_insert_row (GtkCList *clist,
gint row,
gchar *text[]);
static void real_remove_row (GtkCList *clist,
gint row);
static void real_sort_list (GtkCList *clist);
static void set_mouse_cursor (GtkCTree *ctree,
gboolean enable);
static void check_cursor (GtkCTree *ctree);
static void cell_size_request (GtkCList *clist,
GtkCListRow *clist_row,
gint column,
GtkRequisition *requisition);
static void column_auto_resize (GtkCList *clist,
GtkCListRow *clist_row,
gint column,
gint old_width);
enum
{
TREE_SELECT_ROW,
TREE_UNSELECT_ROW,
TREE_EXPAND,
TREE_COLLAPSE,
TREE_MOVE,
CHANGE_FOCUS_ROW_EXPANSION,
LAST_SIGNAL
};
typedef void (*GtkCTreeSignal1) (GtkObject *object,
GtkCTreeNode *arg1,
gint arg2,
gpointer data);
typedef void (*GtkCTreeSignal2) (GtkObject *object,
GtkCTreeNode *arg1,
GtkCTreeNode *arg2,
GtkCTreeNode *arg3,
gpointer data);
typedef void (*GtkCTreeSignal3) (GtkObject *object,
GtkCTreeNode *arg1,
gpointer data);
typedef void (*GtkCTreeSignal4) (GtkObject *object,
GtkCTreeExpansionType 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,
/* reserved_1 */ NULL,
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL,
};
ctree_type = gtk_type_unique (GTK_TYPE_CLIST, &ctree_info);
}
return ctree_type;
}
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_TYPE_CLIST);
container_class = gtk_type_class (GTK_TYPE_CONTAINER);
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_marshal_NONE__POINTER_INT,
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_marshal_NONE__POINTER_INT,
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_marshal_NONE__POINTER,
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_marshal_NONE__POINTER,
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_marshal_NONE__POINTER_POINTER_POINTER,
GTK_TYPE_NONE, 3, GTK_TYPE_POINTER, GTK_TYPE_POINTER,
GTK_TYPE_POINTER);
ctree_signals[CHANGE_FOCUS_ROW_EXPANSION] =
gtk_signal_new ("change_focus_row_expansion",
GTK_RUN_LAST | GTK_RUN_ACTION,
object_class->type,
GTK_SIGNAL_OFFSET (GtkCTreeClass,
change_focus_row_expansion),
gtk_marshal_NONE__ENUM,
GTK_TYPE_NONE, 1, GTK_TYPE_C_TREE_EXPANSION_TYPE);
gtk_object_class_add_signals (object_class, ctree_signals, LAST_SIGNAL);
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 = real_select_row;
clist_class->unselect_row = real_unselect_row;
clist_class->undo_selection = real_undo_selection;
clist_class->resync_selection = resync_selection;
clist_class->selection_find = selection_find;
clist_class->click_column = NULL;
clist_class->draw_row = draw_row;
clist_class->clear = real_clear;
clist_class->select_all = real_select_all;
clist_class->unselect_all = real_unselect_all;
clist_class->fake_unselect_all = fake_unselect_all;
clist_class->insert_row = real_insert_row;
clist_class->remove_row = real_remove_row;
clist_class->sort_list = real_sort_list;
clist_class->set_cell_contents = set_cell_contents;
clist_class->cell_size_request = cell_size_request;
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;
klass->change_focus_row_expansion = change_focus_row_expansion;
{
GtkBindingSet *binding_set;
binding_set = gtk_binding_set_by_class (klass);
gtk_binding_entry_add_signal (binding_set,
'+', GDK_SHIFT_MASK,
"change_focus_row_expansion", 1,
GTK_TYPE_ENUM, GTK_CTREE_EXPANSION_EXPAND);
gtk_binding_entry_add_signal (binding_set,
GDK_KP_Add, 0,
"change_focus_row_expansion", 1,
GTK_TYPE_ENUM, GTK_CTREE_EXPANSION_EXPAND);
gtk_binding_entry_add_signal (binding_set,
GDK_KP_Add, GDK_CONTROL_MASK,
"change_focus_row_expansion", 1,
GTK_TYPE_ENUM,
GTK_CTREE_EXPANSION_EXPAND_RECURSIVE);
gtk_binding_entry_add_signal (binding_set,
'-', 0,
"change_focus_row_expansion", 1,
GTK_TYPE_ENUM, GTK_CTREE_EXPANSION_COLLAPSE);
gtk_binding_entry_add_signal (binding_set,
GDK_KP_Subtract, 0,
"change_focus_row_expansion", 1,
GTK_TYPE_ENUM, GTK_CTREE_EXPANSION_COLLAPSE);
gtk_binding_entry_add_signal (binding_set,
GDK_KP_Subtract, GDK_CONTROL_MASK,
"change_focus_row_expansion", 1,
GTK_TYPE_ENUM,
GTK_CTREE_EXPANSION_COLLAPSE_RECURSIVE);
gtk_binding_entry_add_signal (binding_set,
'=', 0,
"change_focus_row_expansion", 1,
GTK_TYPE_ENUM, GTK_CTREE_EXPANSION_TOGGLE);
gtk_binding_entry_add_signal (binding_set,
GDK_KP_Multiply, 0,
"change_focus_row_expansion", 1,
GTK_TYPE_ENUM, GTK_CTREE_EXPANSION_TOGGLE);
gtk_binding_entry_add_signal (binding_set,
GDK_KP_Multiply, GDK_CONTROL_MASK,
"change_focus_row_expansion", 1,
GTK_TYPE_ENUM,
GTK_CTREE_EXPANSION_TOGGLE_RECURSIVE);
}
}
static void
gtk_ctree_init (GtkCTree *ctree)
{
ctree->drag_icon = NULL;
ctree->tree_indent = 20;
ctree->tree_spacing = 5;
ctree->tree_column = 0;
ctree->drag_row = -1;
ctree->drag_source = NULL;
ctree->drag_target = NULL;
ctree->insert_pos = GTK_CTREE_POS_AS_CHILD;
ctree->reorderable = FALSE;
ctree->use_icons = TRUE;
ctree->in_drag = FALSE;
ctree->drag_rect = FALSE;
ctree->line_style = GTK_CTREE_LINES_SOLID;
ctree->expander_style = GTK_CTREE_EXPANDER_SQUARE;
ctree->drag_compare = NULL;
ctree->show_stub = TRUE;
}
static void
ctree_attach_styles (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data)
{
GtkCList *clist;
gint i;
clist = GTK_CLIST (ctree);
if (GTK_CTREE_ROW (node)->row.style)
GTK_CTREE_ROW (node)->row.style =
gtk_style_attach (GTK_CTREE_ROW (node)->row.style, clist->clist_window);
if (GTK_CTREE_ROW (node)->row.fg_set || GTK_CTREE_ROW (node)->row.bg_set)
{
GdkColormap *colormap;
colormap = gtk_widget_get_colormap (GTK_WIDGET (ctree));
if (GTK_CTREE_ROW (node)->row.fg_set)
gdk_color_alloc (colormap, &(GTK_CTREE_ROW (node)->row.foreground));
if (GTK_CTREE_ROW (node)->row.bg_set)
gdk_color_alloc (colormap, &(GTK_CTREE_ROW (node)->row.background));
}
for (i = 0; i < clist->columns; i++)
if (GTK_CTREE_ROW (node)->row.cell[i].style)
GTK_CTREE_ROW (node)->row.cell[i].style =
gtk_style_attach (GTK_CTREE_ROW (node)->row.cell[i].style,
clist->clist_window);
}
static void
ctree_detach_styles (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data)
{
GtkCList *clist;
gint i;
clist = GTK_CLIST (ctree);
if (GTK_CTREE_ROW (node)->row.style)
gtk_style_detach (GTK_CTREE_ROW (node)->row.style);
for (i = 0; i < clist->columns; i++)
if (GTK_CTREE_ROW (node)->row.cell[i].style)
gtk_style_detach (GTK_CTREE_ROW (node)->row.cell[i].style);
}
static void
gtk_ctree_realize (GtkWidget *widget)
{
GtkCTree *ctree;
GtkCList *clist;
GdkGCValues values;
GtkCTreeNode *node;
GtkCTreeNode *child;
gint i;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_CTREE (widget));
(* GTK_WIDGET_CLASS (parent_class)->realize) (widget);
ctree = GTK_CTREE (widget);
clist = GTK_CLIST (widget);
node = GTK_CTREE_NODE (clist->row_list);
for (i = 0; i < clist->rows; i++)
{
if (GTK_CTREE_ROW (node)->children && !GTK_CTREE_ROW (node)->expanded)
for (child = GTK_CTREE_ROW (node)->children; child;
child = GTK_CTREE_ROW (child)->sibling)
gtk_ctree_pre_recursive (ctree, child, ctree_attach_styles, NULL);
node = GTK_CTREE_NODE_NEXT (node);
}
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);
}
}
static void
gtk_ctree_unrealize (GtkWidget *widget)
{
GtkCTree *ctree;
GtkCList *clist;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_CTREE (widget));
(* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
ctree = GTK_CTREE (widget);
clist = GTK_CLIST (widget);
if (GTK_WIDGET_REALIZED (widget))
{
GtkCTreeNode *node;
GtkCTreeNode *child;
gint i;
node = GTK_CTREE_NODE (clist->row_list);
for (i = 0; i < clist->rows; i++)
{
if (GTK_CTREE_ROW (node)->children &&
!GTK_CTREE_ROW (node)->expanded)
for (child = GTK_CTREE_ROW (node)->children; child;
child = GTK_CTREE_ROW (child)->sibling)
gtk_ctree_pre_recursive(ctree, child, ctree_detach_styles, NULL);
node = GTK_CTREE_NODE_NEXT (node);
}
}
gdk_gc_destroy (ctree->lines_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)
{
gboolean collapse_expand = FALSE;
GtkCTreeNode *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))
return FALSE;
if (event->button == 2)
ctree->drag_row = - 1 - ROW_FROM_YPIXEL (clist, y);
work = GTK_CTREE_NODE (g_list_nth (clist->row_list, row));
if (ctree->reorderable && event->button == 2 && !ctree->in_drag &&
clist->anchor == -1)
{
gdk_pointer_grab (event->window, FALSE,
GDK_POINTER_MOTION_HINT_MASK |
GDK_BUTTON2_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
NULL, NULL, event->time);
gtk_grab_add (widget);
ctree->in_drag = TRUE;
ctree->drag_source = work;
ctree->drag_target = NULL;
gdk_gc_set_line_attributes (clist->xor_gc, 1, GDK_LINE_ON_OFF_DASH,
None, None);
gdk_gc_set_dashes (clist->xor_gc, 0, "\2\2", 2);
return FALSE;
}
else if (event->button == 1 &&
(GTK_CTREE_ROW (work)->children &&
(event->type == GDK_2BUTTON_PRESS ||
ctree_is_hot_spot (ctree, work, row, x, y))))
{
if (GTK_CTREE_ROW (work)->expanded)
gtk_ctree_collapse (ctree, work);
else
gtk_ctree_expand (ctree, work);
collapse_expand = TRUE;
}
if (event->button == 1)
{
gint old_row = clist->focus_row;
gboolean no_focus_row = FALSE;
switch (clist->selection_mode)
{
case GTK_SELECTION_MULTIPLE:
case GTK_SELECTION_SINGLE:
if (!collapse_expand)
break;
if (clist->focus_row == -1)
{
old_row = row;
no_focus_row = TRUE;
}
GTK_CLIST_SET_FLAG (clist, CLIST_DRAG_SELECTION);
gdk_pointer_grab (clist->clist_window, FALSE,
GDK_POINTER_MOTION_HINT_MASK |
GDK_BUTTON1_MOTION_MASK |
GDK_BUTTON_RELEASE_MASK,
NULL, NULL, event->time);
gtk_grab_add (widget);
if (GTK_CLIST_ADD_MODE (clist))
{
GTK_CLIST_UNSET_FLAG (clist, CLIST_ADD_MODE);
if (GTK_WIDGET_HAS_FOCUS (widget))
{
gtk_widget_draw_focus (widget);
gdk_gc_set_line_attributes (clist->xor_gc, 1,
GDK_LINE_SOLID, 0, 0);
clist->focus_row = row;
gtk_widget_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_widget_draw_focus (widget);
clist->focus_row = row;
gtk_widget_draw_focus (widget);
}
else
clist->focus_row = row;
}
if (!GTK_WIDGET_HAS_FOCUS (widget))
gtk_widget_grab_focus (widget);
return FALSE;
default:
break;
}
}
}
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 (GTK_CLIST_IN_DRAG (clist))
return GTK_WIDGET_CLASS (parent_class)->motion_notify_event
(widget, event);
if (event->window == clist->clist_window &&
ctree->in_drag && ctree->reorderable)
{
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 = GTK_CTREE_NODE (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 =
GTK_CTREE_NODE (g_list_nth (clist->row_list, row));
ctree->drag_row = row;
draw_xor_line (ctree);
check_cursor(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 =
GTK_CTREE_NODE (g_list_nth (clist->row_list, row));
ctree->drag_row = row;
draw_xor_rect (ctree);
check_cursor(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 == 2 && clist->anchor == -1)
{
gtk_grab_remove (widget);
gdk_pointer_ungrab (event->time);
ctree->in_drag = FALSE;
set_mouse_cursor(ctree, TRUE);
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;
}
if (GTK_CLIST_ADD_MODE (clist))
gdk_gc_set_dashes (clist->xor_gc, 0, "\4\4", 2);
else
gdk_gc_set_line_attributes (clist->xor_gc, 1,
GDK_LINE_SOLID, 0, 0);
/* 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 ||
!ctree->drag_target)
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)
if (!ctree->drag_compare ||
ctree->drag_compare (ctree,
ctree->drag_source,
GTK_CTREE_ROW (ctree->drag_target)->parent,
GTK_CTREE_ROW (ctree->drag_target)->sibling))
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)
if (!ctree->drag_compare ||
ctree->drag_compare (ctree,
ctree->drag_source,
GTK_CTREE_ROW (ctree->drag_target)->parent,
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)
if (!ctree->drag_compare ||
ctree->drag_compare (ctree,
ctree->drag_source,
ctree->drag_target,
GTK_CTREE_ROW (ctree->drag_target)->children))
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;
}
else if (event->button == 1 && GTK_CLIST_DRAG_SELECTION (clist) &&
(clist->selection_mode == GTK_SELECTION_SINGLE ||
clist->selection_mode == GTK_SELECTION_MULTIPLE))
{
gint row;
gint column;
GtkCTreeNode *work;
if (gtk_clist_get_selection_info
(clist, event->x, event->y, &row, &column))
{
if (clist->anchor == clist->focus_row &&
(work = GTK_CTREE_NODE (g_list_nth (clist->row_list, row))))
tree_toggle_selection (ctree, work, column);
}
clist->anchor = -1;
}
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
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;
if (clist->column[ctree->tree_column].visible)
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, clist->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, clist->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, clist->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, clist->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;
}
else
gdk_draw_line (clist->clist_window, clist->xor_gc,
0, y, clist->clist_window_width, y);
}
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;
if (clist->column[ctree->tree_column].visible)
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, clist->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, clist->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, clist->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, clist->xor_gc,
points[i].x, points[i].y,
points[i+1].x, points[i+1].y);
}
break;
}
else
gdk_draw_rectangle (clist->clist_window, clist->xor_gc, FALSE,
0, y - clist->row_height,
clist->clist_window_width - 1, clist->row_height);
}
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;
if (width > 0 && height > 0)
gdk_draw_pixmap (window, fg_gc, pixmap, xsrc, ysrc, x, y, width, height);
gdk_gc_set_clip_origin (fg_gc, 0, 0);
return x + MAX (width, 0);
}
static void
get_cell_style (GtkCList *clist,
GtkCListRow *clist_row,
gint state,
gint column,
GtkStyle **style,
GdkGC **fg_gc,
GdkGC **bg_gc)
{
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[state];
if (bg_gc)
*bg_gc = clist_row->cell[column].style->bg_gc[state];
}
else if (clist_row->style)
{
if (style)
*style = clist_row->style;
if (fg_gc)
*fg_gc = clist_row->style->fg_gc[state];
if (bg_gc)
*bg_gc = clist_row->style->bg_gc[state];
}
else
{
if (style)
*style = GTK_WIDGET (clist)->style;
if (fg_gc)
*fg_gc = GTK_WIDGET (clist)->style->fg_gc[state];
if (bg_gc)
*bg_gc = GTK_WIDGET (clist)->style->bg_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
gtk_ctree_draw_expander (GtkCTree *ctree,
GtkCTreeRow *ctree_row,
GtkStyle *style,
GdkRectangle *clip_rectangle,
gint x)
{
GtkCList *clist;
GdkPoint points[3];
gint justification_factor;
gint y;
if (ctree->expander_style == GTK_CTREE_EXPANDER_NONE)
return x;
clist = GTK_CLIST (ctree);
if (clist->column[ctree->tree_column].justification == GTK_JUSTIFY_RIGHT)
justification_factor = -1;
else
justification_factor = 1;
y = (clip_rectangle->y + (clip_rectangle->height - PM_SIZE) / 2 -
(clip_rectangle->height + 1) % 2);
if (!ctree_row->children)
{
switch (ctree->expander_style)
{
case GTK_CTREE_EXPANDER_NONE:
return x;
case GTK_CTREE_EXPANDER_TRIANGLE:
return x + justification_factor * (PM_SIZE + 3);
case GTK_CTREE_EXPANDER_SQUARE:
case GTK_CTREE_EXPANDER_CIRCULAR:
return x + justification_factor * (PM_SIZE + 1);
}
}
gdk_gc_set_clip_rectangle (style->fg_gc[GTK_STATE_NORMAL], clip_rectangle);
gdk_gc_set_clip_rectangle (style->base_gc[GTK_STATE_NORMAL], clip_rectangle);
switch (ctree->expander_style)
{
case GTK_CTREE_EXPANDER_NONE:
break;
case GTK_CTREE_EXPANDER_TRIANGLE:
if (ctree_row->expanded)
{
points[0].x = x;
points[0].y = y + (PM_SIZE + 2) / 6;
points[1].x = points[0].x + justification_factor * (PM_SIZE + 2);
points[1].y = points[0].y;
points[2].x = (points[0].x +
justification_factor * (PM_SIZE + 2) / 2);
points[2].y = y + 2 * (PM_SIZE + 2) / 3;
}
else
{
points[0].x = x + justification_factor * ((PM_SIZE + 2) / 6 + 2);
points[0].y = y - 1;
points[1].x = points[0].x;
points[1].y = points[0].y + (PM_SIZE + 2);
points[2].x = (points[0].x +
justification_factor * (2 * (PM_SIZE + 2) / 3 - 1));
points[2].y = points[0].y + (PM_SIZE + 2) / 2;
}
gdk_draw_polygon (clist->clist_window, style->base_gc[GTK_STATE_NORMAL],
TRUE, points, 3);
gdk_draw_polygon (clist->clist_window, style->fg_gc[GTK_STATE_NORMAL],
FALSE, points, 3);
x += justification_factor * (PM_SIZE + 3);
break;
case GTK_CTREE_EXPANDER_SQUARE:
case GTK_CTREE_EXPANDER_CIRCULAR:
if (justification_factor == -1)
x += justification_factor * (PM_SIZE + 1);
if (ctree->expander_style == GTK_CTREE_EXPANDER_CIRCULAR)
{
gdk_draw_arc (clist->clist_window, style->base_gc[GTK_STATE_NORMAL],
TRUE, x, y, PM_SIZE, PM_SIZE, 0, 360 * 64);
gdk_draw_arc (clist->clist_window, style->fg_gc[GTK_STATE_NORMAL],
FALSE, x, y, PM_SIZE, PM_SIZE, 0, 360 * 64);
}
else
{
gdk_draw_rectangle (clist->clist_window,
style->base_gc[GTK_STATE_NORMAL], TRUE,
x, y, PM_SIZE, PM_SIZE);
gdk_draw_rectangle (clist->clist_window,
style->fg_gc[GTK_STATE_NORMAL], FALSE,
x, y, PM_SIZE, PM_SIZE);
}
gdk_draw_line (clist->clist_window, style->fg_gc[GTK_STATE_NORMAL],
x + 2, y + PM_SIZE / 2, x + PM_SIZE - 2, y + PM_SIZE / 2);
if (!ctree_row->expanded)
gdk_draw_line (clist->clist_window, style->fg_gc[GTK_STATE_NORMAL],
x + PM_SIZE / 2, y + 2,
x + PM_SIZE / 2, y + PM_SIZE - 2);
if (justification_factor == 1)
x += justification_factor * (PM_SIZE + 1);
break;
}
gdk_gc_set_clip_rectangle (style->fg_gc[GTK_STATE_NORMAL], NULL);
gdk_gc_set_clip_rectangle (style->base_gc[GTK_STATE_NORMAL], NULL);
return x;
}
static gint
gtk_ctree_draw_lines (GtkCTree *ctree,
GtkCTreeRow *ctree_row,
gint row,
gint column,
gint state,
GdkRectangle *clip_rectangle,
GdkRectangle *cell_rectangle,
GdkRectangle *crect,
GdkRectangle *area,
GtkStyle *style)
{
GtkCList *clist;
GtkCTreeNode *node;
GtkCTreeNode *parent;
GdkRectangle tree_rectangle;
GdkRectangle tc_rectangle;
GdkGC *bg_gc;
gint offset;
gint offset_x;
gint offset_y;
gint xcenter;
gint ycenter;
gint next_level;
gint column_right;
gint column_left;
gint justify_right;
gint justification_factor;
clist = GTK_CLIST (ctree);
ycenter = clip_rectangle->y + (clip_rectangle->height / 2);
justify_right = (clist->column[column].justification == GTK_JUSTIFY_RIGHT);
if (justify_right)
{
offset = (clip_rectangle->x + clip_rectangle->width - 1 -
ctree->tree_indent * (ctree_row->level - 1));
justification_factor = -1;
}
else
{
offset = clip_rectangle->x + ctree->tree_indent * (ctree_row->level - 1);
justification_factor = 1;
}
switch (ctree->line_style)
{
case GTK_CTREE_LINES_NONE:
break;
case GTK_CTREE_LINES_TABBED:
xcenter = offset + justification_factor * TAB_SIZE;
column_right = (COLUMN_LEFT_XPIXEL (clist, ctree->tree_column) +
clist->column[ctree->tree_column].area.width +
COLUMN_INSET);
column_left = (COLUMN_LEFT_XPIXEL (clist, ctree->tree_column) -
COLUMN_INSET - CELL_SPACING);
if (area)
{
tree_rectangle.y = crect->y;
tree_rectangle.height = crect->height;
if (justify_right)
{
tree_rectangle.x = xcenter;
tree_rectangle.width = column_right - xcenter;
}
else
{
tree_rectangle.x = column_left;
tree_rectangle.width = xcenter - column_left;
}
if (!gdk_rectangle_intersect (area, &tree_rectangle, &tc_rectangle))
{
offset += justification_factor * 3;
break;
}
}
gdk_gc_set_clip_rectangle (ctree->lines_gc, crect);
next_level = ctree_row->level;
if (!ctree_row->sibling || (ctree_row->children && ctree_row->expanded))
{
node = gtk_ctree_find_node_ptr (ctree, ctree_row);
if (GTK_CTREE_NODE_NEXT (node))
next_level = GTK_CTREE_ROW (GTK_CTREE_NODE_NEXT (node))->level;
else
next_level = 0;
}
if (ctree->tree_indent > 0)
{
node = ctree_row->parent;
while (node)
{
xcenter -= (justification_factor * ctree->tree_indent);
if ((justify_right && xcenter < column_left) ||
(!justify_right && xcenter > column_right))
{
node = GTK_CTREE_ROW (node)->parent;
continue;
}
tree_rectangle.y = cell_rectangle->y;
tree_rectangle.height = cell_rectangle->height;
if (justify_right)
{
tree_rectangle.x = MAX (xcenter - ctree->tree_indent + 1,
column_left);
tree_rectangle.width = MIN (xcenter - column_left,
ctree->tree_indent);
}
else
{
tree_rectangle.x = xcenter;
tree_rectangle.width = MIN (column_right - xcenter,
ctree->tree_indent);
}
if (!area || gdk_rectangle_intersect (area, &tree_rectangle,
&tc_rectangle))
{
get_cell_style (clist, &GTK_CTREE_ROW (node)->row,
state, column, NULL, NULL, &bg_gc);
if (bg_gc == clist->bg_gc)
gdk_gc_set_foreground
(clist->bg_gc, &GTK_CTREE_ROW (node)->row.background);
if (!area)
gdk_draw_rectangle (clist->clist_window, bg_gc, TRUE,
tree_rectangle.x,
tree_rectangle.y,
tree_rectangle.width,
tree_rectangle.height);
else
gdk_draw_rectangle (clist->clist_window, bg_gc, TRUE,
tc_rectangle.x,
tc_rectangle.y,
tc_rectangle.width,
tc_rectangle.height);
}
if (next_level > GTK_CTREE_ROW (node)->level)
gdk_draw_line (clist->clist_window, ctree->lines_gc,
xcenter, crect->y,
xcenter, crect->y + crect->height);
else
{
gint width;
offset_x = MIN (ctree->tree_indent, 2 * TAB_SIZE);
width = offset_x / 2 + offset_x % 2;
parent = GTK_CTREE_ROW (node)->parent;
tree_rectangle.y = ycenter;
tree_rectangle.height = (cell_rectangle->y - ycenter +
cell_rectangle->height);
if (justify_right)
{
tree_rectangle.x = MAX(xcenter + 1 - width, column_left);
tree_rectangle.width = MIN (xcenter + 1 - column_left,
width);
}
else
{
tree_rectangle.x = xcenter;
tree_rectangle.width = MIN (column_right - xcenter,
width);
}
if (!area ||
gdk_rectangle_intersect (area, &tree_rectangle,
&tc_rectangle))
{
if (parent)
{
get_cell_style (clist, &GTK_CTREE_ROW (parent)->row,
state, column, NULL, NULL, &bg_gc);
if (bg_gc == clist->bg_gc)
gdk_gc_set_foreground
(clist->bg_gc,
&GTK_CTREE_ROW (parent)->row.background);
}
else if (state == GTK_STATE_SELECTED)
bg_gc = style->bg_gc[state];
else
bg_gc = GTK_WIDGET (clist)->style->bg_gc[state];
if (!area)
gdk_draw_rectangle (clist->clist_window, bg_gc, TRUE,
tree_rectangle.x,
tree_rectangle.y,
tree_rectangle.width,
tree_rectangle.height);
else
gdk_draw_rectangle (clist->clist_window,
bg_gc, TRUE,
tc_rectangle.x,
tc_rectangle.y,
tc_rectangle.width,
tc_rectangle.height);
}
get_cell_style (clist, &GTK_CTREE_ROW (node)->row,
state, column, NULL, NULL, &bg_gc);
if (bg_gc == clist->bg_gc)
gdk_gc_set_foreground
(clist->bg_gc, &GTK_CTREE_ROW (node)->row.background);
gdk_gc_set_clip_rectangle (bg_gc, crect);
gdk_draw_arc (clist->clist_window, bg_gc, TRUE,
xcenter - (justify_right * offset_x),
cell_rectangle->y,
offset_x, clist->row_height,
(180 + (justify_right * 90)) * 64, 90 * 64);
gdk_gc_set_clip_rectangle (bg_gc, NULL);
gdk_draw_line (clist->clist_window, ctree->lines_gc,
xcenter, cell_rectangle->y, xcenter, ycenter);
if (justify_right)
gdk_draw_arc (clist->clist_window, ctree->lines_gc, FALSE,
xcenter - offset_x, cell_rectangle->y,
offset_x, clist->row_height,
270 * 64, 90 * 64);
else
gdk_draw_arc (clist->clist_window, ctree->lines_gc, FALSE,
xcenter, cell_rectangle->y,
offset_x, clist->row_height,
180 * 64, 90 * 64);
}
node = GTK_CTREE_ROW (node)->parent;
}
}
if (state != GTK_STATE_SELECTED)
{
tree_rectangle.y = clip_rectangle->y;
tree_rectangle.height = clip_rectangle->height;
tree_rectangle.width = COLUMN_INSET + CELL_SPACING +
MIN (clist->column[ctree->tree_column].area.width + COLUMN_INSET,
TAB_SIZE);
if (justify_right)
tree_rectangle.x = MAX (xcenter + 1, column_left);
else
tree_rectangle.x = column_left;
if (!area)
gdk_draw_rectangle (clist->clist_window,
GTK_WIDGET
(ctree)->style->bg_gc[GTK_STATE_PRELIGHT],
TRUE,
tree_rectangle.x,
tree_rectangle.y,
tree_rectangle.width,
tree_rectangle.height);
else if (gdk_rectangle_intersect (area, &tree_rectangle,
&tc_rectangle))
gdk_draw_rectangle (clist->clist_window,
GTK_WIDGET
(ctree)->style->bg_gc[GTK_STATE_PRELIGHT],
TRUE,
tc_rectangle.x,
tc_rectangle.y,
tc_rectangle.width,
tc_rectangle.height);
}
xcenter = offset + (justification_factor * ctree->tree_indent / 2);
get_cell_style (clist, &ctree_row->row, state, column, NULL, NULL,
&bg_gc);
if (bg_gc == clist->bg_gc)
gdk_gc_set_foreground (clist->bg_gc, &ctree_row->row.background);
gdk_gc_set_clip_rectangle (bg_gc, crect);
if (ctree_row->is_leaf)
{
GdkPoint points[6];
points[0].x = offset + justification_factor * TAB_SIZE;
points[0].y = cell_rectangle->y;
points[1].x = points[0].x - justification_factor * 4;
points[1].y = points[0].y;
points[2].x = points[1].x - justification_factor * 2;
points[2].y = points[1].y + 3;
points[3].x = points[2].x;
points[3].y = points[2].y + clist->row_height - 5;
points[4].x = points[3].x + justification_factor * 2;
points[4].y = points[3].y + 3;
points[5].x = points[4].x + justification_factor * 4;
points[5].y = points[4].y;
gdk_draw_polygon (clist->clist_window, bg_gc, TRUE, points, 6);
gdk_draw_lines (clist->clist_window, ctree->lines_gc, points, 6);
}
else
{
gdk_draw_arc (clist->clist_window, bg_gc, TRUE,
offset - (justify_right * 2 * TAB_SIZE),
cell_rectangle->y,
2 * TAB_SIZE, clist->row_height,
(90 + (180 * justify_right)) * 64, 180 * 64);
gdk_draw_arc (clist->clist_window, ctree->lines_gc, FALSE,
offset - (justify_right * 2 * TAB_SIZE),
cell_rectangle->y,
2 * TAB_SIZE, clist->row_height,
(90 + (180 * justify_right)) * 64, 180 * 64);
}
gdk_gc_set_clip_rectangle (bg_gc, NULL);
gdk_gc_set_clip_rectangle (ctree->lines_gc, NULL);
offset += justification_factor * 3;
break;
default:
xcenter = offset + justification_factor * PM_SIZE / 2;
if (area)
{
tree_rectangle.y = crect->y;
tree_rectangle.height = crect->height;
if (justify_right)
{
tree_rectangle.x = xcenter - PM_SIZE / 2 - 2;
tree_rectangle.width = (clip_rectangle->x +
clip_rectangle->width -tree_rectangle.x);
}
else
{
tree_rectangle.x = clip_rectangle->x + PM_SIZE / 2;
tree_rectangle.width = (xcenter + PM_SIZE / 2 + 2 -
clip_rectangle->x);
}
if (!gdk_rectangle_intersect (area, &tree_rectangle, &tc_rectangle))
break;
}
offset_x = 1;
offset_y = 0;
if (ctree->line_style == GTK_CTREE_LINES_DOTTED)
{
offset_x += abs((clip_rectangle->x + clist->hoffset) % 2);
offset_y = abs((cell_rectangle->y + clist->voffset) % 2);
}
clip_rectangle->y--;
clip_rectangle->height++;
gdk_gc_set_clip_rectangle (ctree->lines_gc, clip_rectangle);
gdk_draw_line (clist->clist_window, ctree->lines_gc,
xcenter,
(ctree->show_stub || clist->row_list->data != ctree_row) ?
cell_rectangle->y + offset_y : ycenter,
xcenter,
(ctree_row->sibling) ? crect->y +crect->height : ycenter);
gdk_draw_line (clist->clist_window, ctree->lines_gc,
xcenter + (justification_factor * offset_x), ycenter,
xcenter + (justification_factor * (PM_SIZE / 2 + 2)),
ycenter);
node = ctree_row->parent;
while (node)
{
xcenter -= (justification_factor * ctree->tree_indent);
if (GTK_CTREE_ROW (node)->sibling)
gdk_draw_line (clist->clist_window, ctree->lines_gc,
xcenter, cell_rectangle->y + offset_y,
xcenter, crect->y + crect->height);
node = GTK_CTREE_ROW (node)->parent;
}
gdk_gc_set_clip_rectangle (ctree->lines_gc, NULL);
clip_rectangle->y++;
clip_rectangle->height--;
break;
}
return offset;
}
static void
draw_row (GtkCList *clist,
GdkRectangle *area,
gint row,
GtkCListRow *clist_row)
{
GtkWidget *widget;
GtkCTree *ctree;
GdkRectangle *rect;
GdkRectangle *crect;
GdkRectangle row_rectangle;
GdkRectangle cell_rectangle;
GdkRectangle clip_rectangle;
GdkRectangle intersect_rectangle;
gint column_left = 0;
gint column_right = 0;
gint offset = 0;
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);
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;
if (clist_row->state == GTK_STATE_NORMAL)
{
state = GTK_STATE_PRELIGHT;
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);
}
else
state = clist_row->state;
gdk_gc_set_foreground (ctree->lines_gc,
&widget->style->fg[clist_row->state]);
/* draw the cell borders */
if (area)
{
rect = &intersect_rectangle;
crect = &intersect_rectangle;
if (gdk_rectangle_intersect (area, &cell_rectangle, crect))
gdk_draw_rectangle (clist->clist_window,
widget->style->base_gc[GTK_STATE_NORMAL], TRUE,
crect->x, crect->y, crect->width, crect->height);
}
else
{
rect = &clip_rectangle;
crect = &cell_rectangle;
gdk_draw_rectangle (clist->clist_window,
widget->style->base_gc[GTK_STATE_NORMAL], TRUE,
crect->x, crect->y, crect->width, crect->height);
}
/* horizontal black lines */
if (ctree->line_style == GTK_CTREE_LINES_TABBED)
{
column_right = (COLUMN_LEFT_XPIXEL (clist, ctree->tree_column) +
clist->column[ctree->tree_column].area.width +
COLUMN_INSET);
column_left = (COLUMN_LEFT_XPIXEL (clist, ctree->tree_column) -
COLUMN_INSET - (ctree->tree_column != 0) * CELL_SPACING);
switch (clist->column[ctree->tree_column].justification)
{
case GTK_JUSTIFY_CENTER:
case GTK_JUSTIFY_FILL:
case GTK_JUSTIFY_LEFT:
offset = (column_left + ctree->tree_indent *
(((GtkCTreeRow *)clist_row)->level - 1));
gdk_draw_line (clist->clist_window, ctree->lines_gc,
MIN (offset + TAB_SIZE, column_right),
cell_rectangle.y,
clist->clist_window_width, cell_rectangle.y);
break;
case GTK_JUSTIFY_RIGHT:
offset = (column_right - 1 - ctree->tree_indent *
(((GtkCTreeRow *)clist_row)->level - 1));
gdk_draw_line (clist->clist_window, ctree->lines_gc,
-1, cell_rectangle.y,
MAX (offset - TAB_SIZE, column_left),
cell_rectangle.y);
break;
}
}
/* 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 (!area || gdk_rectangle_intersect (area, &cell_rectangle, crect))
{
gdk_draw_rectangle (clist->clist_window,
widget->style->base_gc[GTK_STATE_NORMAL], TRUE,
crect->x, crect->y, crect->width, crect->height);
/* horizontal black lines */
if (ctree->line_style == GTK_CTREE_LINES_TABBED)
{
switch (clist->column[ctree->tree_column].justification)
{
case GTK_JUSTIFY_CENTER:
case GTK_JUSTIFY_FILL:
case GTK_JUSTIFY_LEFT:
gdk_draw_line (clist->clist_window, ctree->lines_gc,
MIN (column_left + TAB_SIZE + COLUMN_INSET +
(((GtkCTreeRow *)clist_row)->level > 1) *
MIN (ctree->tree_indent / 2, TAB_SIZE),
column_right),
cell_rectangle.y,
clist->clist_window_width, cell_rectangle.y);
break;
case GTK_JUSTIFY_RIGHT:
gdk_draw_line (clist->clist_window, ctree->lines_gc,
-1, cell_rectangle.y,
MAX (column_right - TAB_SIZE - 1 -
COLUMN_INSET -
(((GtkCTreeRow *)clist_row)->level > 1) *
MIN (ctree->tree_indent / 2, TAB_SIZE),
column_left - 1), cell_rectangle.y);
break;
}
}
}
}
/* 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;
gint width;
gint height;
gint pixmap_width;
gint string_width;
gint old_offset;
gint row_center_offset;
if (!clist->column[i].visible)
continue;
get_cell_style (clist, clist_row, state, i, &style, &fg_gc, &bg_gc);
/* calculate clipping region */
clip_rectangle.x = clist->column[i].area.x + clist->hoffset;
clip_rectangle.width = clist->column[i].area.width;
cell_rectangle.x = clip_rectangle.x - COLUMN_INSET - CELL_SPACING;
cell_rectangle.width = (clip_rectangle.width + 2 * COLUMN_INSET +
(1 + (i + 1 == clist->columns)) * CELL_SPACING);
cell_rectangle.y = clip_rectangle.y;
cell_rectangle.height = clip_rectangle.height;
string_width = 0;
pixmap_width = 0;
if (area && !gdk_rectangle_intersect (area, &cell_rectangle,
&intersect_rectangle))
{
if (i != ctree->tree_column)
continue;
}
else
{
gdk_draw_rectangle (clist->clist_window, bg_gc, TRUE,
crect->x, crect->y, crect->width, crect->height);
/* calculate real width for column justification */
switch (clist_row->cell[i].type)
{
case GTK_CELL_TEXT:
width = gdk_string_width
(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, &pixmap_width,
&height);
width = pixmap_width;
break;
case GTK_CELL_PIXTEXT:
if (GTK_CELL_PIXTEXT (clist_row->cell[i])->pixmap)
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);
if (GTK_CELL_PIXTEXT (clist_row->cell[i])->text)
{
string_width = gdk_string_width
(style->font, GTK_CELL_PIXTEXT (clist_row->cell[i])->text);
width += string_width;
}
if (i == ctree->tree_column)
width += (ctree->tree_indent *
((GtkCTreeRow *)clist_row)->level);
break;
default:
continue;
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;
};
if (i != ctree->tree_column)
{
offset += clist_row->cell[i].horizontal;
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;
case GTK_CELL_TEXT:
if (style != GTK_WIDGET (clist)->style)
row_center_offset = (((clist->row_height -
style->font->ascent -
style->font->descent - 1) / 2) +
1.5 + style->font->ascent);
else
row_center_offset = clist->row_center_offset;
gdk_gc_set_clip_rectangle (fg_gc, &clip_rectangle);
gdk_draw_string
(clist->clist_window, style->font, fg_gc,
offset,
row_rectangle.y + row_center_offset +
clist_row->cell[i].vertical,
(clist_row->cell[i].type == GTK_CELL_PIXTEXT) ?
GTK_CELL_PIXTEXT (clist_row->cell[i])->text :
GTK_CELL_TEXT (clist_row->cell[i])->text);
gdk_gc_set_clip_rectangle (fg_gc, NULL);
break;
default:
break;
}
continue;
}
}
if (bg_gc == clist->bg_gc)
gdk_gc_set_background (ctree->lines_gc, &clist_row->background);
/* draw ctree->tree_column */
cell_rectangle.y -= CELL_SPACING;
cell_rectangle.height += CELL_SPACING;
if (area && !gdk_rectangle_intersect (area, &cell_rectangle,
&intersect_rectangle))
continue;
/* draw lines */
offset = gtk_ctree_draw_lines (ctree, (GtkCTreeRow *)clist_row, row, i,
state, &clip_rectangle, &cell_rectangle,
crect, area, style);
/* draw expander */
offset = gtk_ctree_draw_expander (ctree, (GtkCTreeRow *)clist_row,
style, &clip_rectangle, offset);
if (clist->column[i].justification == GTK_JUSTIFY_RIGHT)
offset -= ctree->tree_spacing;
else
offset += ctree->tree_spacing;
if (clist->column[i].justification == GTK_JUSTIFY_RIGHT)
offset -= (pixmap_width + clist_row->cell[i].horizontal);
else
offset += clist_row->cell[i].horizontal;
old_offset = offset;
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);
if (string_width)
{
if (clist->column[i].justification == GTK_JUSTIFY_RIGHT)
offset = (old_offset - string_width -
GTK_CELL_PIXTEXT (clist_row->cell[i])->spacing);
else
offset += GTK_CELL_PIXTEXT (clist_row->cell[i])->spacing;
if (style != GTK_WIDGET (clist)->style)
row_center_offset = (((clist->row_height - style->font->ascent -
style->font->descent - 1) / 2) +
1.5 + style->font->ascent);
else
row_center_offset = clist->row_center_offset;
gdk_gc_set_clip_rectangle (fg_gc, &clip_rectangle);
gdk_draw_string (clist->clist_window, style->font, fg_gc, offset,
row_rectangle.y + row_center_offset +
clist_row->cell[i].vertical,
GTK_CELL_PIXTEXT (clist_row->cell[i])->text);
}
gdk_gc_set_clip_rectangle (fg_gc, NULL);
}
/* draw focus rectangle */
if (clist->focus_row == row && 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
tree_draw_node (GtkCTree *ctree,
GtkCTreeNode *node)
{
GtkCList *clist;
clist = GTK_CLIST (ctree);
if (!GTK_CLIST_FROZEN (clist) && gtk_ctree_is_viewable (ctree, node))
{
GtkCTreeNode *work;
gint num = 0;
work = GTK_CTREE_NODE (clist->row_list);
while (work && work != node)
{
work = GTK_CTREE_NODE_NEXT (work);
num++;
}
if (work && gtk_clist_row_is_visible (clist, num) != GTK_VISIBILITY_NONE)
GTK_CLIST_CLASS_FW (clist)->draw_row
(clist, NULL, num, GTK_CLIST_ROW ((GList *) node));
}
}
static GtkCTreeNode *
gtk_ctree_last_visible (GtkCTree *ctree,
GtkCTreeNode *node)
{
GtkCTreeNode *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,
GtkCTreeNode *node,
GtkCTreeNode *parent,
GtkCTreeNode *sibling,
gboolean update_focus_row)
{
GtkCList *clist;
GList *list_end;
GList *list;
GList *work;
gboolean visible = FALSE;
gint rows = 0;
if (sibling)
g_return_if_fail (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);
if (update_focus_row && clist->selection_mode == GTK_SELECTION_EXTENDED)
{
if (clist->anchor != -1)
GTK_CLIST_CLASS_FW (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;
}
for (rows = 1, list_end = (GList *)node; list_end->next;
list_end = list_end->next)
rows++;
GTK_CTREE_ROW (node)->parent = parent;
GTK_CTREE_ROW (node)->sibling = sibling;
if (!parent || (parent && (gtk_ctree_is_viewable (ctree, parent) &&
GTK_CTREE_ROW (parent)->expanded)))
{
visible = TRUE;
clist->rows += rows;
}
if (parent)
work = (GList *)(GTK_CTREE_ROW (parent)->children);
else
work = clist->row_list;
if (sibling)
{
if (work != (GList *)sibling)
{
while (GTK_CTREE_ROW (work)->sibling != sibling)
work = (GList *)(GTK_CTREE_ROW (work)->sibling);
GTK_CTREE_ROW (work)->sibling = node;
}
if (sibling == GTK_CTREE_NODE (clist->row_list))
clist->row_list = (GList *) node;
if (GTK_CTREE_NODE_PREV (sibling) &&
GTK_CTREE_NODE_NEXT (GTK_CTREE_NODE_PREV (sibling)) == sibling)
{
list = (GList *)GTK_CTREE_NODE_PREV (sibling);
list->next = (GList *)node;
}
list = (GList *)node;
list->prev = (GList *)GTK_CTREE_NODE_PREV (sibling);
list_end->next = (GList *)sibling;
list = (GList *)sibling;
list->prev = list_end;
if (parent && GTK_CTREE_ROW (parent)->children == sibling)
GTK_CTREE_ROW (parent)->children = node;
}
else
{
if (work)
{
/* find sibling */
while (GTK_CTREE_ROW (work)->sibling)
work = (GList *)(GTK_CTREE_ROW (work)->sibling);
GTK_CTREE_ROW (work)->sibling = node;
/* find last visible child of sibling */
work = (GList *) gtk_ctree_last_visible (ctree,
GTK_CTREE_NODE (work));
list_end->next = work->next;
if (work->next)
list = work->next->prev = list_end;
work->next = (GList *)node;
list = (GList *)node;
list->prev = work;
}
else
{
if (parent)
{
GTK_CTREE_ROW (parent)->children = node;
list = (GList *)node;
list->prev = (GList *)parent;
if (GTK_CTREE_ROW (parent)->expanded)
{
list_end->next = (GList *)GTK_CTREE_NODE_NEXT (parent);
if (GTK_CTREE_NODE_NEXT(parent))
{
list = (GList *)GTK_CTREE_NODE_NEXT (parent);
list->prev = list_end;
}
list = (GList *)parent;
list->next = (GList *)node;
}
else
list_end->next = NULL;
}
else
{
clist->row_list = (GList *)node;
list = (GList *)node;
list->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 == (GList *)node)
clist->row_list_end = list_end;
if (visible && update_focus_row)
{
gint pos;
pos = g_list_position (clist->row_list, (GList *)node);
if (pos <= clist->focus_row)
{
clist->focus_row += rows;
clist->undo_anchor = clist->focus_row;
}
}
}
static void
gtk_ctree_unlink (GtkCTree *ctree,
GtkCTreeNode *node,
gboolean update_focus_row)
{
GtkCList *clist;
gint rows;
gint level;
gint visible;
GtkCTreeNode *work;
GtkCTreeNode *parent;
GList *list;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
g_return_if_fail (node != NULL);
clist = GTK_CLIST (ctree);
if (update_focus_row && clist->selection_mode == GTK_SELECTION_EXTENDED)
{
if (clist->anchor != -1)
GTK_CLIST_CLASS_FW (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;
}
visible = gtk_ctree_is_viewable (ctree, node);
/* clist->row_list_end unlinked ? */
if (visible &&
(GTK_CTREE_NODE_NEXT (node) == NULL ||
(GTK_CTREE_ROW (node)->children &&
gtk_ctree_is_ancestor (ctree, node,
GTK_CTREE_NODE (clist->row_list_end)))))
clist->row_list_end = (GList *) (GTK_CTREE_NODE_PREV (node));
/* update list */
rows = 0;
level = GTK_CTREE_ROW (node)->level;
work = GTK_CTREE_NODE_NEXT (node);
while (work && GTK_CTREE_ROW (work)->level > level)
{
work = GTK_CTREE_NODE_NEXT (work);
rows++;
}
if (visible)
{
clist->rows -= (rows + 1);
if (update_focus_row)
{
gint pos;
pos = g_list_position (clist->row_list, (GList *)node);
if (pos + rows < clist->focus_row)
clist->focus_row -= (rows + 1);
else if (pos <= clist->focus_row)
{
if (!GTK_CTREE_ROW (node)->sibling)
clist->focus_row = MAX (pos - 1, 0);
else
clist->focus_row = pos;
clist->focus_row = MIN (clist->focus_row, clist->rows - 1);
}
clist->undo_anchor = clist->focus_row;
}
}
if (work)
{
list = (GList *)GTK_CTREE_NODE_PREV (work);
list->next = NULL;
list = (GList *)work;
list->prev = (GList *)GTK_CTREE_NODE_PREV (node);
}
if (GTK_CTREE_NODE_PREV (node) &&
GTK_CTREE_NODE_NEXT (GTK_CTREE_NODE_PREV (node)) == node)
{
list = (GList *)GTK_CTREE_NODE_PREV (node);
list->next = (GList *)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_collapse (ctree, parent);
}
else
{
GtkCTreeNode *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 == (GList *)node)
clist->row_list = (GList *) (GTK_CTREE_ROW (node)->sibling);
else
{
GtkCTreeNode *sibling;
sibling = GTK_CTREE_NODE (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;
}
}
}
static void
real_tree_move (GtkCTree *ctree,
GtkCTreeNode *node,
GtkCTreeNode *new_parent,
GtkCTreeNode *new_sibling)
{
GtkCList *clist;
GtkCTreeNode *work;
gboolean thaw = FALSE;
gboolean visible = 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);
visible = gtk_ctree_is_viewable (ctree, node);
if (clist->selection_mode == GTK_SELECTION_EXTENDED)
{
if (clist->anchor != -1)
GTK_CLIST_CLASS_FW (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;
}
if (GTK_CLIST_AUTO_SORT (clist))
{
if (new_parent == GTK_CTREE_ROW (node)->parent)
return;
if (new_parent)
new_sibling = GTK_CTREE_ROW (new_parent)->children;
else
new_sibling = GTK_CTREE_NODE (clist->row_list);
while (new_sibling && clist->compare
(clist, GTK_CTREE_ROW (node), GTK_CTREE_ROW (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;
}
work = NULL;
if (gtk_ctree_is_viewable (ctree, node) ||
gtk_ctree_is_viewable (ctree, new_sibling))
work = GTK_CTREE_NODE (g_list_nth (clist->row_list, clist->focus_row));
gtk_ctree_unlink (ctree, node, FALSE);
gtk_ctree_link (ctree, node, new_parent, new_sibling, FALSE);
if (work)
{
while (work && !gtk_ctree_is_viewable (ctree, work))
work = GTK_CTREE_ROW (work)->parent;
clist->focus_row = g_list_position (clist->row_list, (GList *)work);
clist->undo_anchor = clist->focus_row;
}
if (clist->column[ctree->tree_column].auto_resize &&
!GTK_CLIST_AUTO_RESIZE_BLOCKED (clist) &&
(visible || gtk_ctree_is_viewable (ctree, node)))
gtk_clist_set_column_width
(clist, ctree->tree_column,
gtk_clist_optimal_column_width (clist, ctree->tree_column));
if (thaw)
gtk_clist_thaw (clist);
}
static void
change_focus_row_expansion (GtkCTree *ctree,
GtkCTreeExpansionType action)
{
GtkCList *clist;
GtkCTreeNode *node;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
clist = GTK_CLIST (ctree);
if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (ctree))
return;
if (!(node =
GTK_CTREE_NODE (g_list_nth (clist->row_list, clist->focus_row))) ||
GTK_CTREE_ROW (node)->is_leaf || !(GTK_CTREE_ROW (node)->children))
return;
switch (action)
{
case GTK_CTREE_EXPANSION_EXPAND:
gtk_ctree_expand (ctree, node);
break;
case GTK_CTREE_EXPANSION_EXPAND_RECURSIVE:
gtk_ctree_expand_recursive (ctree, node);
break;
case GTK_CTREE_EXPANSION_COLLAPSE:
gtk_ctree_collapse (ctree, node);
break;
case GTK_CTREE_EXPANSION_COLLAPSE_RECURSIVE:
gtk_ctree_collapse_recursive (ctree, node);
break;
case GTK_CTREE_EXPANSION_TOGGLE:
gtk_ctree_toggle_expansion (ctree, node);
break;
case GTK_CTREE_EXPANSION_TOGGLE_RECURSIVE:
gtk_ctree_toggle_expansion_recursive (ctree, node);
break;
}
}
static void
real_tree_expand (GtkCTree *ctree,
GtkCTreeNode *node)
{
GtkCList *clist;
GtkCTreeNode *work;
GtkRequisition requisition;
gboolean visible;
gint level;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
if (!node || GTK_CTREE_ROW (node)->expanded || GTK_CTREE_ROW (node)->is_leaf)
return;
clist = GTK_CLIST (ctree);
if (clist->selection_mode == GTK_SELECTION_EXTENDED && clist->anchor >= 0)
GTK_CLIST_CLASS_FW (clist)->resync_selection (clist, NULL);
GTK_CTREE_ROW (node)->expanded = TRUE;
level = GTK_CTREE_ROW (node)->level;
visible = gtk_ctree_is_viewable (ctree, node);
/* get cell width if tree_column is auto resized */
if (visible && clist->column[ctree->tree_column].auto_resize &&
!GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
GTK_CLIST_CLASS_FW (clist)->cell_size_request
(clist, &GTK_CTREE_ROW (node)->row, ctree->tree_column, &requisition);
/* unref/unset closed pixmap */
if (GTK_CELL_PIXTEXT
(GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->pixmap)
{
gdk_pixmap_unref
(GTK_CELL_PIXTEXT
(GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->pixmap);
GTK_CELL_PIXTEXT
(GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->pixmap = NULL;
if (GTK_CELL_PIXTEXT
(GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->mask)
{
gdk_pixmap_unref
(GTK_CELL_PIXTEXT
(GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->mask);
GTK_CELL_PIXTEXT
(GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->mask = NULL;
}
}
/* set/ref opened pixmap */
if (GTK_CTREE_ROW (node)->pixmap_opened)
{
GTK_CELL_PIXTEXT
(GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->pixmap =
gdk_pixmap_ref (GTK_CTREE_ROW (node)->pixmap_opened);
if (GTK_CTREE_ROW (node)->mask_opened)
GTK_CELL_PIXTEXT
(GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->mask =
gdk_pixmap_ref (GTK_CTREE_ROW (node)->mask_opened);
}
work = GTK_CTREE_ROW (node)->children;
if (work)
{
GList *list;
gint *cell_width = NULL;
gint tmp = 0;
gint row;
gint i;
if (visible && !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
{
cell_width = g_new0 (gint, clist->columns);
if (clist->column[ctree->tree_column].auto_resize)
cell_width[ctree->tree_column] = requisition.width;
}
while (GTK_CTREE_NODE_NEXT (work))
{
if (visible && !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
{
/* search maximum cell widths of auto_resize columns */
for (i = 0; i < clist->columns; i++)
if (clist->column[i].auto_resize)
{
GTK_CLIST_CLASS_FW (clist)->cell_size_request
(clist, &GTK_CTREE_ROW (work)->row, i, &requisition);
cell_width[i] = MAX (requisition.width, cell_width[i]);
}
}
work = GTK_CTREE_NODE_NEXT (work);
tmp++;
}
list = (GList *)work;
list->next = (GList *)GTK_CTREE_NODE_NEXT (node);
if (GTK_CTREE_NODE_NEXT (node))
{
list = (GList *)GTK_CTREE_NODE_NEXT (node);
list->prev = (GList *)work;
}
else
clist->row_list_end = (GList *)work;
list = (GList *)node;
list->next = (GList *)(GTK_CTREE_ROW (node)->children);
if (visible)
{
/* resize auto_resize columns if needed */
for (i = 0; i < clist->columns; i++)
if (clist->column[i].auto_resize &&
cell_width[i] > clist->column[i].width)
gtk_clist_set_column_width (clist, i, cell_width[i]);
g_free (cell_width);
/* update focus_row position */
row = g_list_position (clist->row_list, (GList *)node);
if (row < clist->focus_row)
clist->focus_row += tmp + 1;
clist->rows += tmp + 1;
if (!GTK_CLIST_FROZEN (ctree))
gtk_clist_thaw (clist);
}
}
else if (visible && clist->column[ctree->tree_column].auto_resize)
/* resize tree_column if needed */
column_auto_resize (clist, &GTK_CTREE_ROW (node)->row, ctree->tree_column,
requisition.width);
}
static void
real_tree_collapse (GtkCTree *ctree,
GtkCTreeNode *node)
{
GtkCList *clist;
GtkCTreeNode *work;
GtkRequisition requisition;
gboolean visible;
gint level;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
if (!node || !GTK_CTREE_ROW (node)->expanded ||
GTK_CTREE_ROW (node)->is_leaf)
return;
clist = GTK_CLIST (ctree);
if (clist->selection_mode == GTK_SELECTION_EXTENDED && clist->anchor >= 0)
GTK_CLIST_CLASS_FW (clist)->resync_selection (clist, NULL);
GTK_CTREE_ROW (node)->expanded = FALSE;
level = GTK_CTREE_ROW (node)->level;
visible = gtk_ctree_is_viewable (ctree, node);
/* get cell width if tree_column is auto resized */
if (visible && clist->column[ctree->tree_column].auto_resize &&
!GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
GTK_CLIST_CLASS_FW (clist)->cell_size_request
(clist, &GTK_CTREE_ROW (node)->row, ctree->tree_column, &requisition);
/* unref/unset opened pixmap */
if (GTK_CELL_PIXTEXT
(GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->pixmap)
{
gdk_pixmap_unref
(GTK_CELL_PIXTEXT
(GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->pixmap);
GTK_CELL_PIXTEXT
(GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->pixmap = NULL;
if (GTK_CELL_PIXTEXT
(GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->mask)
{
gdk_pixmap_unref
(GTK_CELL_PIXTEXT
(GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->mask);
GTK_CELL_PIXTEXT
(GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->mask = NULL;
}
}
/* set/ref closed pixmap */
if (GTK_CTREE_ROW (node)->pixmap_closed)
{
GTK_CELL_PIXTEXT
(GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->pixmap =
gdk_pixmap_ref (GTK_CTREE_ROW (node)->pixmap_closed);
if (GTK_CTREE_ROW (node)->mask_closed)
GTK_CELL_PIXTEXT
(GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->mask =
gdk_pixmap_ref (GTK_CTREE_ROW (node)->mask_closed);
}
work = GTK_CTREE_ROW (node)->children;
if (work)
{
gint tmp = 0;
gint row;
GList *list;
while (work && GTK_CTREE_ROW (work)->level > level)
{
work = GTK_CTREE_NODE_NEXT (work);
tmp++;
}
if (work)
{
list = (GList *)node;
list->next = (GList *)work;
list = (GList *)GTK_CTREE_NODE_PREV (work);
list->next = NULL;
list = (GList *)work;
list->prev = (GList *)node;
}
else
{
list = (GList *)node;
list->next = NULL;
clist->row_list_end = (GList *)node;
}
if (visible)
{
/* resize auto_resize columns if needed */
if (!GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
{
GList *list;
gint new_width;
gint i;
for (i = 0; i < clist->columns; i++)
if (clist->column[i].auto_resize)
{
/* run a "gtk_clist_optimal_column_width" but break, if
* the column doesn't shrink */
new_width = 0;
for (list = clist->row_list; list; list = list->next)
{
GTK_CLIST_CLASS_FW (clist)->cell_size_request
(clist, GTK_CLIST_ROW (list), i, &requisition);
new_width = MAX (new_width, requisition.width);
if (new_width == clist->column[i].width)
break;
}
if (new_width < clist->column[i].width)
gtk_clist_set_column_width (clist, i, new_width);
}
}
row = g_list_position (clist->row_list, (GList *)node);
if (row < clist->focus_row)
clist->focus_row -= tmp;
clist->rows -= tmp;
if (!GTK_CLIST_FROZEN (ctree))
gtk_clist_thaw (clist);
}
}
else if (visible && clist->column[ctree->tree_column].auto_resize &&
!GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
/* resize tree_column if needed */
column_auto_resize (clist, &GTK_CTREE_ROW (node)->row, ctree->tree_column,
requisition.width);
}
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;
GTK_CLIST_CLASS_FW (clist)->cell_size_request (clist, clist_row,
column, &requisition);
if (requisition.width > clist->column[column].width)
{
if (clist->column[column].max_width < 0)
gtk_clist_set_column_width (clist, column, requisition.width);
else if (clist->column[column].max_width > clist->column[column].width)
gtk_clist_set_column_width (clist, column,
MIN (requisition.width,
clist->column[column].max_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 */
for (list = clist->row_list; list; list = list->next)
{
GTK_CLIST_CLASS_FW (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
cell_size_request (GtkCList *clist,
GtkCListRow *clist_row,
gint column,
GtkRequisition *requisition)
{
GtkCTree *ctree;
GtkStyle *style;
gint width;
gint height;
g_return_if_fail (clist != NULL);
g_return_if_fail (GTK_IS_CTREE (clist));
g_return_if_fail (requisition != NULL);
ctree = GTK_CTREE (clist);
get_cell_style (clist, clist_row, GTK_STATE_PRELIGHT, column, &style,
NULL, NULL);
switch (clist_row->cell[column].type)
{
case GTK_CELL_TEXT:
requisition->width =
gdk_string_width (style->font,
GTK_CELL_TEXT (clist_row->cell[column])->text);
requisition->height = style->font->ascent + style->font->descent;
break;
case GTK_CELL_PIXTEXT:
if (GTK_CELL_PIXTEXT (clist_row->cell[column])->pixmap)
{
gdk_window_get_size (GTK_CELL_PIXTEXT
(clist_row->cell[column])->pixmap,
&width, &height);
width += GTK_CELL_PIXTEXT (clist_row->cell[column])->spacing;
}
else
width = height = 0;
requisition->width = width +
gdk_string_width (style->font,
GTK_CELL_TEXT (clist_row->cell[column])->text);
requisition->height = MAX (style->font->ascent + style->font->descent,
height);
if (column == ctree->tree_column)
{
requisition->width += (ctree->tree_spacing + ctree->tree_indent *
(((GtkCTreeRow *) clist_row)->level - 1));
switch (ctree->expander_style)
{
case GTK_CTREE_EXPANDER_NONE:
break;
case GTK_CTREE_EXPANDER_TRIANGLE:
requisition->width += PM_SIZE + 3;
break;
case GTK_CTREE_EXPANDER_SQUARE:
case GTK_CTREE_EXPANDER_CIRCULAR:
requisition->width += PM_SIZE + 1;
break;
}
if (ctree->line_style == GTK_CTREE_LINES_TABBED)
requisition->width += 3;
}
break;
case GTK_CELL_PIXMAP:
gdk_window_get_size (GTK_CELL_PIXMAP (clist_row->cell[column])->pixmap,
&width, &height);
requisition->width = width;
requisition->height = height;
break;
default:
requisition->width = 0;
requisition->height = 0;
break;
}
requisition->width += clist_row->cell[column].horizontal;
requisition->height += clist_row->cell[column].vertical;
}
static void
set_cell_contents (GtkCList *clist,
GtkCListRow *clist_row,
gint column,
GtkCellType type,
const gchar *text,
guint8 spacing,
GdkPixmap *pixmap,
GdkBitmap *mask)
{
gboolean visible = FALSE;
GtkCTree *ctree;
GtkRequisition requisition;
g_return_if_fail (clist != NULL);
g_return_if_fail (GTK_IS_CTREE (clist));
g_return_if_fail (clist_row != NULL);
ctree = GTK_CTREE (clist);
if (clist->column[column].auto_resize &&
!GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
{
GtkCTreeNode *parent;
parent = ((GtkCTreeRow *)clist_row)->parent;
if (!parent || (parent && GTK_CTREE_ROW (parent)->expanded &&
gtk_ctree_is_viewable (ctree, parent)))
{
visible = TRUE;
GTK_CLIST_CLASS_FW (clist)->cell_size_request (clist, clist_row,
column, &requisition);
}
}
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_CELL_PIXTEXT (clist_row->cell[column])->text)
g_free (GTK_CELL_PIXTEXT (clist_row->cell[column])->text);
if (GTK_CELL_PIXTEXT (clist_row->cell[column])->pixmap)
{
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:
/* unimplimented */
break;
default:
break;
}
clist_row->cell[column].type = GTK_CELL_EMPTY;
if (column == ctree->tree_column && type != GTK_CELL_EMPTY)
type = GTK_CELL_PIXTEXT;
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 (column == ctree->tree_column)
{
clist_row->cell[column].type = GTK_CELL_PIXTEXT;
GTK_CELL_PIXTEXT (clist_row->cell[column])->spacing = spacing;
if (text)
GTK_CELL_PIXTEXT (clist_row->cell[column])->text = g_strdup (text);
else
GTK_CELL_PIXTEXT (clist_row->cell[column])->text = NULL;
if (pixmap)
{
GTK_CELL_PIXTEXT (clist_row->cell[column])->pixmap = pixmap;
GTK_CELL_PIXTEXT (clist_row->cell[column])->mask = mask;
}
else
{
GTK_CELL_PIXTEXT (clist_row->cell[column])->pixmap = NULL;
GTK_CELL_PIXTEXT (clist_row->cell[column])->mask = NULL;
}
}
else 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 (visible)
column_auto_resize (clist, clist_row, column, requisition.width);
}
static void
set_node_info (GtkCTree *ctree,
GtkCTreeNode *node,
const gchar *text,
guint8 spacing,
GdkPixmap *pixmap_closed,
GdkBitmap *mask_closed,
GdkPixmap *pixmap_opened,
GdkBitmap *mask_opened,
gboolean is_leaf,
gboolean expanded)
{
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;
if (GTK_CTREE_ROW (node)->expanded)
gtk_ctree_node_set_pixtext (ctree, node, ctree->tree_column,
text, spacing, pixmap_opened, mask_opened);
else
gtk_ctree_node_set_pixtext (ctree, node, ctree->tree_column,
text, spacing, pixmap_closed, mask_closed);
}
static void
tree_delete (GtkCTree *ctree,
GtkCTreeNode *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 (clist->selection_end && clist->selection_end == work)
clist->selection_end = clist->selection_end->prev;
clist->selection = g_list_remove (clist->selection, node);
}
}
row_delete (ctree, GTK_CTREE_ROW (node));
g_list_free_1 ((GList *)node);
}
static void
tree_delete_row (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data)
{
row_delete (ctree, GTK_CTREE_ROW (node));
g_list_free_1 ((GList *)node);
}
static void
tree_update_level (GtkCTree *ctree,
GtkCTreeNode *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,
GtkCTreeNode *node,
gpointer data)
{
if (node && GTK_CTREE_ROW (node)->row.state != GTK_STATE_SELECTED &&
GTK_CTREE_ROW (node)->row.selectable)
gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_SELECT_ROW],
node, -1);
}
static void
tree_unselect (GtkCTree *ctree,
GtkCTreeNode *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, -1);
}
static void
tree_expand (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data)
{
if (node && !GTK_CTREE_ROW (node)->expanded)
gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_EXPAND], node);
}
static void
tree_collapse (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data)
{
if (node && GTK_CTREE_ROW (node)->expanded)
gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_COLLAPSE], node);
}
static void
tree_collapse_to_depth (GtkCTree *ctree,
GtkCTreeNode *node,
gint depth)
{
if (node && GTK_CTREE_ROW (node)->level == depth)
gtk_ctree_collapse_recursive (ctree, node);
}
static void
tree_toggle_expansion (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data)
{
if (!node)
return;
if (GTK_CTREE_ROW (node)->expanded)
gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_COLLAPSE], node);
else
gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_EXPAND], node);
}
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;
ctree_row->row.cell[i].style = NULL;
}
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.style = NULL;
ctree_row->row.selectable = TRUE;
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++)
{
GTK_CLIST_CLASS_FW (clist)->set_cell_contents
(clist, &(ctree_row->row), i, GTK_CELL_EMPTY, NULL, 0, NULL, NULL);
if (ctree_row->row.cell[i].style)
{
if (GTK_WIDGET_REALIZED (ctree))
gtk_style_detach (ctree_row->row.cell[i].style);
gtk_style_unref (ctree_row->row.cell[i].style);
}
}
if (ctree_row->row.style)
{
if (GTK_WIDGET_REALIZED (ctree))
gtk_style_detach (ctree_row->row.style);
gtk_style_unref (ctree_row->row.style);
}
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
real_select_row (GtkCList *clist,
gint row,
gint column,
GdkEvent *event)
{
GList *node;
g_return_if_fail (clist != NULL);
g_return_if_fail (GTK_IS_CTREE (clist));
if ((node = g_list_nth (clist->row_list, row)) &&
GTK_CTREE_ROW (node)->row.selectable)
gtk_signal_emit (GTK_OBJECT (clist), ctree_signals[TREE_SELECT_ROW],
node, column);
}
static void
real_unselect_row (GtkCList *clist,
gint row,
gint column,
GdkEvent *event)
{
GList *node;
g_return_if_fail (clist != NULL);
g_return_if_fail (GTK_IS_CTREE (clist));
if ((node = g_list_nth (clist->row_list, row)))
gtk_signal_emit (GTK_OBJECT (clist), ctree_signals[TREE_UNSELECT_ROW],
node, column);
}
static void
real_tree_select (GtkCTree *ctree,
GtkCTreeNode *node,
gint column)
{
GtkCList *clist;
GList *list;
GtkCTreeNode *sel_row;
gboolean node_selected;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
if (!node || GTK_CTREE_ROW (node)->row.state == GTK_STATE_SELECTED ||
!GTK_CTREE_ROW (node)->row.selectable)
return;
clist = GTK_CLIST (ctree);
switch (clist->selection_mode)
{
case GTK_SELECTION_SINGLE:
case GTK_SELECTION_BROWSE:
node_selected = FALSE;
list = clist->selection;
while (list)
{
sel_row = list->data;
list = list->next;
if (node == sel_row)
node_selected = TRUE;
else
gtk_signal_emit (GTK_OBJECT (ctree),
ctree_signals[TREE_UNSELECT_ROW], sel_row, column);
}
if (node_selected)
return;
default:
break;
}
GTK_CTREE_ROW (node)->row.state = GTK_STATE_SELECTED;
if (!clist->selection)
{
clist->selection = g_list_append (clist->selection, node);
clist->selection_end = clist->selection;
}
else
clist->selection_end = g_list_append (clist->selection_end, node)->next;
tree_draw_node (ctree, node);
}
static void
real_tree_unselect (GtkCTree *ctree,
GtkCTreeNode *node,
gint column)
{
GtkCList *clist;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
if (!node || GTK_CTREE_ROW (node)->row.state != GTK_STATE_SELECTED)
return;
clist = GTK_CLIST (ctree);
if (clist->selection_end && clist->selection_end->data == node)
clist->selection_end = clist->selection_end->prev;
clist->selection = g_list_remove (clist->selection, node);
GTK_CTREE_ROW (node)->row.state = GTK_STATE_NORMAL;
tree_draw_node (ctree, node);
}
static void
tree_toggle_selection (GtkCTree *ctree,
GtkCTreeNode *node,
gint column)
{
GtkCList *clist;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
clist = GTK_CLIST (ctree);
switch (clist->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 if (node && GTK_CTREE_ROW (node)->row.selectable)
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_CTREE_ROW (node)->row.selectable)
gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_SELECT_ROW],
node, column);
break;
case GTK_SELECTION_EXTENDED:
break;
}
}
static void
select_row_recursive (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data)
{
if (!node || GTK_CTREE_ROW (node)->row.state == GTK_STATE_SELECTED ||
!GTK_CTREE_ROW (node)->row.selectable)
return;
GTK_CLIST (ctree)->undo_unselection =
g_list_prepend (GTK_CLIST (ctree)->undo_unselection, node);
gtk_ctree_select (ctree, node);
}
static void
real_select_all (GtkCList *clist)
{
GtkCTree *ctree;
GtkCTreeNode *node;
gboolean thaw = FALSE;
g_return_if_fail (clist != NULL);
g_return_if_fail (GTK_IS_CTREE (clist));
ctree = GTK_CTREE (clist);
switch (clist->selection_mode)
{
case GTK_SELECTION_SINGLE:
case GTK_SELECTION_BROWSE:
return;
case GTK_SELECTION_EXTENDED:
if (!GTK_CLIST_FROZEN (clist))
{
gtk_clist_freeze (clist);
thaw = TRUE;
}
g_list_free (clist->undo_selection);
g_list_free (clist->undo_unselection);
clist->undo_selection = NULL;
clist->undo_unselection = NULL;
clist->anchor_state = GTK_STATE_SELECTED;
clist->anchor = -1;
clist->drag_pos = -1;
clist->undo_anchor = clist->focus_row;
for (node = GTK_CTREE_NODE (clist->row_list); node;
node = GTK_CTREE_NODE_NEXT (node))
gtk_ctree_pre_recursive (ctree, node, select_row_recursive, NULL);
if (thaw)
gtk_clist_thaw (clist);
break;
case GTK_SELECTION_MULTIPLE:
gtk_ctree_select_recursive (ctree, NULL);
break;;
}
}
static void
real_unselect_all (GtkCList *clist)
{
GtkCTree *ctree;
GtkCTreeNode *node;
GList *list;
g_return_if_fail (clist != NULL);
g_return_if_fail (GTK_IS_CTREE (clist));
ctree = GTK_CTREE (clist);
switch (clist->selection_mode)
{
case GTK_SELECTION_BROWSE:
if (clist->focus_row >= 0)
{
gtk_ctree_select
(ctree,
GTK_CTREE_NODE (g_list_nth (clist->row_list, clist->focus_row)));
return;
}
break;
case GTK_SELECTION_EXTENDED:
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)
{
node = list->data;
list = list->next;
gtk_ctree_unselect (ctree, node);
}
}
static gboolean
ctree_is_hot_spot (GtkCTree *ctree,
GtkCTreeNode *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);
clist = GTK_CLIST (ctree);
if (!clist->column[ctree->tree_column].visible ||
ctree->expander_style == GTK_CTREE_EXPANDER_NONE)
return FALSE;
tree_row = GTK_CTREE_ROW (node);
cell = GTK_CELL_PIXTEXT(tree_row->row.cell[ctree->tree_column]);
yu = (ROW_TOP_YPIXEL (clist, row) + (clist->row_height - PM_SIZE) / 2 -
(clist->row_height - 1) % 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 - 1 + clist->hoffset -
(tree_row->level - 1) * ctree->tree_indent - PM_SIZE -
(ctree->line_style == GTK_CTREE_LINES_TABBED) * 3);
else
xl = (clist->column[ctree->tree_column].area.x + clist->hoffset +
(tree_row->level - 1) * ctree->tree_indent +
(ctree->line_style == GTK_CTREE_LINES_TABBED) * 3);
return (x >= xl && x <= xl + PM_SIZE && y >= yu && y <= yu + PM_SIZE);
}
/***********************************************************
***********************************************************
*** 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_TYPE_CTREE);
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);
}
static gint
real_insert_row (GtkCList *clist,
gint row,
gchar *text[])
{
GtkCTreeNode *parent = NULL;
GtkCTreeNode *sibling;
GtkCTreeNode *node;
g_return_val_if_fail (clist != NULL, -1);
g_return_val_if_fail (GTK_IS_CTREE (clist), -1);
sibling = GTK_CTREE_NODE (g_list_nth (clist->row_list, row));
if (sibling)
parent = GTK_CTREE_ROW (sibling)->parent;
node = gtk_ctree_insert_node (GTK_CTREE (clist), parent, sibling, text, 5,
NULL, NULL, NULL, NULL, TRUE, FALSE);
if (GTK_CLIST_AUTO_SORT (clist) || !sibling)
return g_list_position (clist->row_list, (GList *) node);
return row;
}
GtkCTreeNode *
gtk_ctree_insert_node (GtkCTree *ctree,
GtkCTreeNode *parent,
GtkCTreeNode *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;
GtkCTreeNode *node;
GList *list;
gint i;
g_return_val_if_fail (ctree != NULL, NULL);
g_return_val_if_fail (GTK_IS_CTREE (ctree), NULL);
if (sibling)
g_return_val_if_fail (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);
list = g_list_alloc ();
list->data = new_row;
node = GTK_CTREE_NODE (list);
if (text)
for (i = 0; i < clist->columns; i++)
if (text[i] && i != ctree->tree_column)
GTK_CLIST_CLASS_FW (clist)->set_cell_contents
(clist, &(new_row->row), i, GTK_CELL_TEXT, text[i], 0, NULL, NULL);
set_node_info (ctree, node, text ?
text[ctree->tree_column] : NULL, spacing, pixmap_closed,
mask_closed, pixmap_opened, mask_opened, is_leaf, expanded);
/* sorted insertion */
if (GTK_CLIST_AUTO_SORT (clist))
{
if (parent)
sibling = GTK_CTREE_ROW (parent)->children;
else
sibling = GTK_CTREE_NODE (clist->row_list);
while (sibling && clist->compare
(clist, GTK_CTREE_ROW (node), GTK_CTREE_ROW (sibling)) > 0)
sibling = GTK_CTREE_ROW (sibling)->sibling;
}
gtk_ctree_link (ctree, node, parent, sibling, TRUE);
if (text && !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist) &&
gtk_ctree_is_viewable (ctree, node))
{
GtkRequisition requisition;
for (i = 0; i < clist->columns; i++)
if (clist->column[i].auto_resize)
{
GTK_CLIST_CLASS_FW (clist)->cell_size_request (clist,
&(new_row->row),
i, &requisition);
if (requisition.width > clist->column[i].width)
gtk_clist_set_column_width (clist, i, requisition.width);
}
}
if (!GTK_CLIST_FROZEN (clist))
gtk_clist_thaw (clist);
return node;
}
GtkCTreeNode *
gtk_ctree_insert_gnode (GtkCTree *ctree,
GtkCTreeNode *parent,
GtkCTreeNode *sibling,
GNode *gnode,
GtkCTreeGNodeFunc func,
gpointer data)
{
GtkCList *clist;
GtkCTreeNode *cnode = NULL;
GtkCTreeNode *child = NULL;
GtkCTreeNode *new_child;
GList *list;
gboolean thaw;
GNode *work;
guint depth = 1;
g_return_val_if_fail (ctree != NULL, NULL);
g_return_val_if_fail (GTK_IS_CTREE (ctree), NULL);
g_return_val_if_fail (gnode != NULL, NULL);
g_return_val_if_fail (func != NULL, NULL);
if (sibling)
g_return_val_if_fail (GTK_CTREE_ROW (sibling)->parent == parent, NULL);
clist = GTK_CLIST (ctree);
if (parent)
depth = GTK_CTREE_ROW (parent)->level + 1;
list = g_list_alloc ();
list->data = row_new (ctree);
cnode = GTK_CTREE_NODE (list);
thaw = !GTK_CLIST_FROZEN (clist);
if (thaw)
gtk_clist_freeze (clist);
set_node_info (ctree, cnode, "", 0, NULL, NULL, NULL, NULL, TRUE, FALSE);
if (!func (ctree, depth, gnode, cnode, data))
{
tree_delete_row (ctree, cnode, NULL);
return NULL;
}
if (GTK_CLIST_AUTO_SORT (clist))
{
if (parent)
sibling = GTK_CTREE_ROW (parent)->children;
else
sibling = GTK_CTREE_NODE (clist->row_list);
while (sibling && clist->compare
(clist, GTK_CTREE_ROW (cnode), GTK_CTREE_ROW (sibling)) > 0)
sibling = GTK_CTREE_ROW (sibling)->sibling;
}
gtk_ctree_link (ctree, cnode, parent, sibling, TRUE);
for (work = g_node_last_child (gnode); work; work = work->prev)
{
new_child = gtk_ctree_insert_gnode (ctree, cnode, child,
work, func, data);
if (new_child)
child = new_child;
}
if (thaw)
gtk_clist_thaw (clist);
return cnode;
}
GNode *
gtk_ctree_export_to_gnode (GtkCTree *ctree,
GNode *parent,
GNode *sibling,
GtkCTreeNode *node,
GtkCTreeGNodeFunc func,
gpointer data)
{
GtkCTreeNode *work;
GNode *gnode;
GNode *new_sibling;
gint depth;
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);
g_return_val_if_fail (func != NULL, NULL);
if (sibling)
{
g_return_val_if_fail (parent != NULL, NULL);
g_return_val_if_fail (sibling->parent == parent, NULL);
}
gnode = g_node_new (NULL);
depth = g_node_depth (parent) + 1;
if (!func (ctree, depth, gnode, node, data))
{
g_node_destroy (gnode);
return NULL;
}
if (parent)
g_node_insert_before (parent, sibling, gnode);
for (work = GTK_CTREE_ROW (node)->children, new_sibling = NULL; work;
work = GTK_CTREE_NODE_NEXT (work))
{
sibling = gtk_ctree_export_to_gnode (ctree, gnode, new_sibling,
work, func, data);
if (sibling)
new_sibling = sibling;
}
g_node_reverse_children (gnode);
return gnode;
}
static void
real_remove_row (GtkCList *clist,
gint row)
{
GtkCTreeNode *node;
g_return_if_fail (clist != NULL);
g_return_if_fail (GTK_IS_CTREE (clist));
node = GTK_CTREE_NODE (g_list_nth (clist->row_list, row));
if (node)
gtk_ctree_remove_node (GTK_CTREE (clist), node);
}
void
gtk_ctree_remove_node (GtkCTree *ctree,
GtkCTreeNode *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)
{
gboolean visible;
visible = gtk_ctree_is_viewable (ctree, node);
gtk_ctree_unlink (ctree, node, TRUE);
gtk_ctree_post_recursive (ctree, node, GTK_CTREE_FUNC (tree_delete),
NULL);
if ((clist->selection_mode == GTK_SELECTION_BROWSE ||
clist->selection_mode == GTK_SELECTION_EXTENDED) &&
!clist->selection && clist->focus_row >= 0)
gtk_clist_select_row (clist, clist->focus_row, -1);
if (!GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
{
GtkRequisition requisition;
GList *list;
gint new_width;
gint i;
for (i = 0; i < clist->columns; i++)
if (clist->column[i].auto_resize)
{
/* run a "gtk_clist_optimal_column_width" but break, if
* the column doesn't shrink */
new_width = 0;
for (list = clist->row_list; list; list = list->next)
{
GTK_CLIST_CLASS_FW (clist)->cell_size_request
(clist, GTK_CLIST_ROW (list), i, &requisition);
new_width = MAX (new_width, requisition.width);
if (new_width == clist->column[i].width)
break;
}
if (new_width < clist->column[i].width)
gtk_clist_set_column_width (clist, i, new_width);
}
}
}
else
gtk_clist_clear (clist);
if (thaw)
gtk_clist_thaw (clist);
}
static void
real_clear (GtkCList *clist)
{
GtkCTree *ctree;
GtkCTreeNode *work;
GtkCTreeNode *ptr;
g_return_if_fail (clist != NULL);
g_return_if_fail (GTK_IS_CTREE (clist));
ctree = GTK_CTREE (clist);
ctree->drag_row = -1;
ctree->drag_rect = FALSE;
ctree->in_drag = FALSE;
ctree->drag_source = NULL;
ctree->drag_target = NULL;
ctree->drag_icon = NULL;
/* remove all rows */
work = GTK_CTREE_NODE (clist->row_list);
clist->row_list = NULL;
clist->row_list_end = NULL;
GTK_CLIST_SET_FLAG (clist, CLIST_AUTO_RESIZE_BLOCKED);
while (work)
{
ptr = work;
work = GTK_CTREE_ROW (work)->sibling;
gtk_ctree_post_recursive (ctree, ptr, GTK_CTREE_FUNC (tree_delete_row),
NULL);
}
GTK_CLIST_UNSET_FLAG (clist, CLIST_AUTO_RESIZE_BLOCKED);
(parent_class->clear) (clist);
}
/***********************************************************
* Generic recursive functions, querying / finding tree *
* information *
***********************************************************/
void
gtk_ctree_post_recursive (GtkCTree *ctree,
GtkCTreeNode *node,
GtkCTreeFunc func,
gpointer data)
{
GtkCTreeNode *work;
GtkCTreeNode *tmp;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
g_return_if_fail (func != NULL);
if (node)
work = GTK_CTREE_ROW (node)->children;
else
work = GTK_CTREE_NODE (GTK_CLIST (ctree)->row_list);
while (work)
{
tmp = GTK_CTREE_ROW (work)->sibling;
gtk_ctree_post_recursive (ctree, work, func, data);
work = tmp;
}
if (node)
func (ctree, node, data);
}
void
gtk_ctree_post_recursive_to_depth (GtkCTree *ctree,
GtkCTreeNode *node,
gint depth,
GtkCTreeFunc func,
gpointer data)
{
GtkCTreeNode *work;
GtkCTreeNode *tmp;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
g_return_if_fail (func != NULL);
if (depth < 0)
{
gtk_ctree_post_recursive (ctree, node, func, data);
return;
}
if (node)
work = GTK_CTREE_ROW (node)->children;
else
work = GTK_CTREE_NODE (GTK_CLIST (ctree)->row_list);
if (work && GTK_CTREE_ROW (work)->level <= depth)
{
while (work)
{
tmp = GTK_CTREE_ROW (work)->sibling;
gtk_ctree_post_recursive_to_depth (ctree, work, depth, func, data);
work = tmp;
}
}
if (node && GTK_CTREE_ROW (node)->level <= depth)
func (ctree, node, data);
}
void
gtk_ctree_pre_recursive (GtkCTree *ctree,
GtkCTreeNode *node,
GtkCTreeFunc func,
gpointer data)
{
GtkCTreeNode *work;
GtkCTreeNode *tmp;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
g_return_if_fail (func != NULL);
if (node)
{
work = GTK_CTREE_ROW (node)->children;
func (ctree, node, data);
}
else
work = GTK_CTREE_NODE (GTK_CLIST (ctree)->row_list);
while (work)
{
tmp = GTK_CTREE_ROW (work)->sibling;
gtk_ctree_pre_recursive (ctree, work, func, data);
work = tmp;
}
}
void
gtk_ctree_pre_recursive_to_depth (GtkCTree *ctree,
GtkCTreeNode *node,
gint depth,
GtkCTreeFunc func,
gpointer data)
{
GtkCTreeNode *work;
GtkCTreeNode *tmp;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
g_return_if_fail (func != NULL);
if (depth < 0)
{
gtk_ctree_pre_recursive (ctree, node, func, data);
return;
}
if (node)
{
work = GTK_CTREE_ROW (node)->children;
if (GTK_CTREE_ROW (node)->level <= depth)
func (ctree, node, data);
}
else
work = GTK_CTREE_NODE (GTK_CLIST (ctree)->row_list);
if (work && GTK_CTREE_ROW (work)->level <= depth)
{
while (work)
{
tmp = GTK_CTREE_ROW (work)->sibling;
gtk_ctree_pre_recursive_to_depth (ctree, work, depth, func, data);
work = tmp;
}
}
}
gboolean
gtk_ctree_is_viewable (GtkCTree *ctree,
GtkCTreeNode *node)
{
GtkCTreeRow *work;
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);
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;
}
GtkCTreeNode *
gtk_ctree_last (GtkCTree *ctree,
GtkCTreeNode *node)
{
g_return_val_if_fail (ctree != NULL, NULL);
g_return_val_if_fail (GTK_IS_CTREE (ctree), NULL);
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;
}
GtkCTreeNode *
gtk_ctree_find_node_ptr (GtkCTree *ctree,
GtkCTreeRow *ctree_row)
{
GtkCTreeNode *node;
g_return_val_if_fail (ctree != NULL, FALSE);
g_return_val_if_fail (GTK_IS_CTREE (ctree), FALSE);
g_return_val_if_fail (ctree_row != NULL, FALSE);
if (ctree_row->parent)
node = GTK_CTREE_ROW(ctree_row->parent)->children;
else
node = GTK_CTREE_NODE (GTK_CLIST (ctree)->row_list);
while (GTK_CTREE_ROW (node) != ctree_row)
node = GTK_CTREE_ROW (node)->sibling;
return node;
}
gboolean
gtk_ctree_find (GtkCTree *ctree,
GtkCTreeNode *node,
GtkCTreeNode *child)
{
if (!child)
return FALSE;
if (!node)
node = GTK_CTREE_NODE (GTK_CLIST (ctree)->row_list);
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,
GtkCTreeNode *node,
GtkCTreeNode *child)
{
g_return_val_if_fail (node != NULL, FALSE);
return gtk_ctree_find (ctree, GTK_CTREE_ROW (node)->children, child);
}
GtkCTreeNode *
gtk_ctree_find_by_row_data (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data)
{
GtkCTreeNode *work;
if (!node)
node = GTK_CTREE_NODE (GTK_CLIST (ctree)->row_list);
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;
}
GList *
gtk_ctree_find_all_by_row_data (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data)
{
GList *list = NULL;
g_return_val_if_fail (ctree != NULL, NULL);
g_return_val_if_fail (GTK_IS_CTREE (ctree), NULL);
/* if node == NULL then look in the whole tree */
if (!node)
node = GTK_CTREE_NODE (GTK_CLIST (ctree)->row_list);
while (node)
{
if (GTK_CTREE_ROW (node)->row.data == data)
list = g_list_append (list, node);
if (GTK_CTREE_ROW (node)->children)
{
GList *sub_list;
sub_list = gtk_ctree_find_all_by_row_data (ctree,
GTK_CTREE_ROW
(node)->children,
data);
list = g_list_concat (list, sub_list);
}
node = GTK_CTREE_ROW (node)->sibling;
}
return list;
}
GtkCTreeNode *
gtk_ctree_find_by_row_data_custom (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data,
GCompareFunc func)
{
GtkCTreeNode *work;
g_return_val_if_fail (func != NULL, NULL);
if (!node)
node = GTK_CTREE_NODE (GTK_CLIST (ctree)->row_list);
while (node)
{
if (!func (GTK_CTREE_ROW (node)->row.data, data))
return node;
if (GTK_CTREE_ROW (node)->children &&
(work = gtk_ctree_find_by_row_data_custom
(ctree, GTK_CTREE_ROW (node)->children, data, func)))
return work;
node = GTK_CTREE_ROW (node)->sibling;
}
return NULL;
}
GList *
gtk_ctree_find_all_by_row_data_custom (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data,
GCompareFunc func)
{
GList *list = NULL;
g_return_val_if_fail (ctree != NULL, NULL);
g_return_val_if_fail (GTK_IS_CTREE (ctree), NULL);
g_return_val_if_fail (func != NULL, NULL);
/* if node == NULL then look in the whole tree */
if (!node)
node = GTK_CTREE_NODE (GTK_CLIST (ctree)->row_list);
while (node)
{
if (!func (GTK_CTREE_ROW (node)->row.data, data))
list = g_list_append (list, node);
if (GTK_CTREE_ROW (node)->children)
{
GList *sub_list;
sub_list = gtk_ctree_find_all_by_row_data_custom (ctree,
GTK_CTREE_ROW
(node)->children,
data,
func);
list = g_list_concat (list, sub_list);
}
node = GTK_CTREE_ROW (node)->sibling;
}
return list;
}
gboolean
gtk_ctree_is_hot_spot (GtkCTree *ctree,
gint x,
gint y)
{
GtkCTreeNode *node;
gint column;
gint row;
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 = GTK_CTREE_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,
GtkCTreeNode *node,
GtkCTreeNode *new_parent,
GtkCTreeNode *new_sibling)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
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,
GtkCTreeNode *node)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
g_return_if_fail (node != NULL);
if (GTK_CTREE_ROW (node)->is_leaf)
return;
gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_EXPAND], node);
}
void
gtk_ctree_expand_recursive (GtkCTree *ctree,
GtkCTreeNode *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 (node && GTK_CTREE_ROW (node)->is_leaf)
return;
if (((node && gtk_ctree_is_viewable (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_expand_to_depth (GtkCTree *ctree,
GtkCTreeNode *node,
gint depth)
{
GtkCList *clist;
gboolean thaw = FALSE;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
clist = GTK_CLIST (ctree);
if (node && GTK_CTREE_ROW (node)->is_leaf)
return;
if (((node && gtk_ctree_is_viewable (ctree, node)) || !node) &&
!GTK_CLIST_FROZEN (clist))
{
gtk_clist_freeze (clist);
thaw = TRUE;
}
gtk_ctree_post_recursive_to_depth (ctree, node, depth,
GTK_CTREE_FUNC (tree_expand), NULL);
if (thaw)
gtk_clist_thaw (clist);
}
void
gtk_ctree_collapse (GtkCTree *ctree,
GtkCTreeNode *node)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
g_return_if_fail (node != NULL);
if (GTK_CTREE_ROW (node)->is_leaf)
return;
gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_COLLAPSE], node);
}
void
gtk_ctree_collapse_recursive (GtkCTree *ctree,
GtkCTreeNode *node)
{
GtkCList *clist;
gboolean thaw = FALSE;
gint i;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
if (node && GTK_CTREE_ROW (node)->is_leaf)
return;
clist = GTK_CLIST (ctree);
if (((node && gtk_ctree_is_viewable (ctree, node)) || !node) &&
!GTK_CLIST_FROZEN (clist))
{
gtk_clist_freeze (clist);
thaw = TRUE;
}
GTK_CLIST_SET_FLAG (clist, CLIST_AUTO_RESIZE_BLOCKED);
gtk_ctree_post_recursive (ctree, node, GTK_CTREE_FUNC (tree_collapse), NULL);
GTK_CLIST_UNSET_FLAG (clist, CLIST_AUTO_RESIZE_BLOCKED);
for (i = 0; i < clist->columns; i++)
if (clist->column[i].auto_resize)
gtk_clist_set_column_width (clist, i,
gtk_clist_optimal_column_width (clist, i));
if (thaw)
gtk_clist_thaw (clist);
}
void
gtk_ctree_collapse_to_depth (GtkCTree *ctree,
GtkCTreeNode *node,
gint depth)
{
GtkCList *clist;
gboolean thaw = FALSE;
gint i;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
if (node && GTK_CTREE_ROW (node)->is_leaf)
return;
clist = GTK_CLIST (ctree);
if (((node && gtk_ctree_is_viewable (ctree, node)) || !node) &&
!GTK_CLIST_FROZEN (clist))
{
gtk_clist_freeze (clist);
thaw = TRUE;
}
GTK_CLIST_SET_FLAG (clist, CLIST_AUTO_RESIZE_BLOCKED);
gtk_ctree_post_recursive_to_depth (ctree, node, depth,
GTK_CTREE_FUNC (tree_collapse_to_depth),
GINT_TO_POINTER (depth));
GTK_CLIST_UNSET_FLAG (clist, CLIST_AUTO_RESIZE_BLOCKED);
for (i = 0; i < clist->columns; i++)
if (clist->column[i].auto_resize)
gtk_clist_set_column_width (clist, i,
gtk_clist_optimal_column_width (clist, i));
if (thaw)
gtk_clist_thaw (clist);
}
void
gtk_ctree_toggle_expansion (GtkCTree *ctree,
GtkCTreeNode *node)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
g_return_if_fail (node != NULL);
if (GTK_CTREE_ROW (node)->is_leaf)
return;
tree_toggle_expansion (ctree, node, NULL);
}
void
gtk_ctree_toggle_expansion_recursive (GtkCTree *ctree,
GtkCTreeNode *node)
{
GtkCList *clist;
gboolean thaw = FALSE;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
if (node && GTK_CTREE_ROW (node)->is_leaf)
return;
clist = GTK_CLIST (ctree);
if (((node && gtk_ctree_is_viewable (ctree, node)) || !node) &&
!GTK_CLIST_FROZEN (clist))
{
gtk_clist_freeze (clist);
thaw = TRUE;
}
gtk_ctree_post_recursive (ctree, node,
GTK_CTREE_FUNC (tree_toggle_expansion), NULL);
if (thaw)
gtk_clist_thaw (clist);
}
void
gtk_ctree_select (GtkCTree *ctree,
GtkCTreeNode *node)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
g_return_if_fail (node != NULL);
if (GTK_CTREE_ROW (node)->row.selectable)
gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_SELECT_ROW],
node, -1);
}
void
gtk_ctree_unselect (GtkCTree *ctree,
GtkCTreeNode *node)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
g_return_if_fail (node != NULL);
gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_UNSELECT_ROW],
node, -1);
}
void
gtk_ctree_select_recursive (GtkCTree *ctree,
GtkCTreeNode *node)
{
gtk_ctree_real_select_recursive (ctree, node, TRUE);
}
void
gtk_ctree_unselect_recursive (GtkCTree *ctree,
GtkCTreeNode *node)
{
gtk_ctree_real_select_recursive (ctree, node, FALSE);
}
void
gtk_ctree_real_select_recursive (GtkCTree *ctree,
GtkCTreeNode *node,
gint state)
{
GtkCList *clist;
gboolean thaw = FALSE;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
clist = GTK_CLIST (ctree);
if ((state &&
(clist->selection_mode == GTK_SELECTION_BROWSE ||
clist->selection_mode == GTK_SELECTION_SINGLE)) ||
(!state && clist->selection_mode == GTK_SELECTION_BROWSE))
return;
if (((node && gtk_ctree_is_viewable (ctree, node)) || !node) &&
!GTK_CLIST_FROZEN (clist))
{
gtk_clist_freeze (clist);
thaw = TRUE;
}
if (clist->selection_mode == GTK_SELECTION_EXTENDED)
{
if (clist->anchor != -1)
GTK_CLIST_CLASS_FW (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;
}
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_node_set_text (GtkCTree *ctree,
GtkCTreeNode *node,
gint column,
const gchar *text)
{
GtkCList *clist;
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;
clist = GTK_CLIST (ctree);
GTK_CLIST_CLASS_FW (clist)->set_cell_contents
(clist, &(GTK_CTREE_ROW(node)->row), column, GTK_CELL_TEXT,
text, 0, NULL, NULL);
tree_draw_node (ctree, node);
}
void
gtk_ctree_node_set_pixmap (GtkCTree *ctree,
GtkCTreeNode *node,
gint column,
GdkPixmap *pixmap,
GdkBitmap *mask)
{
GtkCList *clist;
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);
if (column < 0 || column >= GTK_CLIST (ctree)->columns)
return;
gdk_pixmap_ref (pixmap);
if (mask)
gdk_pixmap_ref (mask);
clist = GTK_CLIST (ctree);
GTK_CLIST_CLASS_FW (clist)->set_cell_contents
(clist, &(GTK_CTREE_ROW (node)->row), column, GTK_CELL_PIXMAP,
NULL, 0, pixmap, mask);
tree_draw_node (ctree, node);
}
void
gtk_ctree_node_set_pixtext (GtkCTree *ctree,
GtkCTreeNode *node,
gint column,
const gchar *text,
guint8 spacing,
GdkPixmap *pixmap,
GdkBitmap *mask)
{
GtkCList *clist;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
g_return_if_fail (node != NULL);
if (column != ctree->tree_column)
g_return_if_fail (pixmap != NULL);
if (column < 0 || column >= GTK_CLIST (ctree)->columns)
return;
clist = GTK_CLIST (ctree);
if (pixmap)
{
gdk_pixmap_ref (pixmap);
if (mask)
gdk_pixmap_ref (mask);
}
GTK_CLIST_CLASS_FW (clist)->set_cell_contents
(clist, &(GTK_CTREE_ROW (node)->row), column, GTK_CELL_PIXTEXT,
text, spacing, pixmap, mask);
tree_draw_node (ctree, node);
}
void
gtk_ctree_set_node_info (GtkCTree *ctree,
GtkCTreeNode *node,
const 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)
{
GtkCTreeNode *work;
GtkCTreeNode *ptr;
work = GTK_CTREE_ROW (node)->children;
while (work)
{
ptr = work;
work = GTK_CTREE_ROW(work)->sibling;
gtk_ctree_remove_node (ctree, ptr);
}
}
set_node_info (ctree, node, text, spacing, pixmap_closed, mask_closed,
pixmap_opened, mask_opened, is_leaf, expanded);
if (!is_leaf && !old_leaf)
{
GTK_CTREE_ROW (node)->expanded = old_expanded;
if (expanded && !old_expanded)
gtk_ctree_expand (ctree, node);
else if (!expanded && old_expanded)
gtk_ctree_collapse (ctree, node);
}
GTK_CTREE_ROW (node)->expanded = (is_leaf) ? FALSE : expanded;
tree_draw_node (ctree, node);
}
void
gtk_ctree_node_set_shift (GtkCTree *ctree,
GtkCTreeNode *node,
gint column,
gint vertical,
gint horizontal)
{
GtkCList *clist;
GtkRequisition requisition;
gboolean visible = FALSE;
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;
clist = GTK_CLIST (ctree);
if (clist->column[column].auto_resize &&
!GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
{
visible = gtk_ctree_is_viewable (ctree, node);
if (visible)
GTK_CLIST_CLASS_FW (clist)->cell_size_request
(clist, &GTK_CTREE_ROW (node)->row, column, &requisition);
}
GTK_CTREE_ROW (node)->row.cell[column].vertical = vertical;
GTK_CTREE_ROW (node)->row.cell[column].horizontal = horizontal;
if (visible)
column_auto_resize (clist, &GTK_CTREE_ROW (node)->row,
column, requisition.width);
tree_draw_node (ctree, node);
}
void
gtk_ctree_node_set_selectable (GtkCTree *ctree,
GtkCTreeNode *node,
gboolean selectable)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
g_return_if_fail (node != NULL);
if (selectable == GTK_CTREE_ROW (node)->row.selectable)
return;
GTK_CTREE_ROW (node)->row.selectable = selectable;
if (!selectable && GTK_CTREE_ROW (node)->row.state == GTK_STATE_SELECTED)
{
GtkCList *clist;
clist = GTK_CLIST (ctree);
if (clist->anchor >= 0 &&
clist->selection_mode == GTK_SELECTION_EXTENDED)
{
if ((gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_FOCUS (clist)))
{
GTK_CLIST_UNSET_FLAG (clist, CLIST_DRAG_SELECTION);
gtk_grab_remove (GTK_WIDGET (clist));
gdk_pointer_ungrab (GDK_CURRENT_TIME);
if (clist->htimer)
{
gtk_timeout_remove (clist->htimer);
clist->htimer = 0;
}
if (clist->vtimer)
{
gtk_timeout_remove (clist->vtimer);
clist->vtimer = 0;
}
}
GTK_CLIST_CLASS_FW (clist)->resync_selection (clist, NULL);
}
gtk_ctree_unselect (ctree, node);
}
}
gboolean
gtk_ctree_node_get_selectable (GtkCTree *ctree,
GtkCTreeNode *node)
{
g_return_val_if_fail (node != NULL, FALSE);
return GTK_CTREE_ROW (node)->row.selectable;
}
GtkCellType
gtk_ctree_node_get_cell_type (GtkCTree *ctree,
GtkCTreeNode *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_node_get_text (GtkCTree *ctree,
GtkCTreeNode *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_node_get_pixmap (GtkCTree *ctree,
GtkCTreeNode *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_node_get_pixtext (GtkCTree *ctree,
GtkCTreeNode *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,
GtkCTreeNode *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_node_set_cell_style (GtkCTree *ctree,
GtkCTreeNode *node,
gint column,
GtkStyle *style)
{
GtkCList *clist;
GtkRequisition requisition;
gboolean visible = FALSE;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
g_return_if_fail (node != NULL);
clist = GTK_CLIST (ctree);
if (column < 0 || column >= clist->columns)
return;
if (GTK_CTREE_ROW (node)->row.cell[column].style == style)
return;
if (clist->column[column].auto_resize &&
!GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
{
visible = gtk_ctree_is_viewable (ctree, node);
if (visible)
GTK_CLIST_CLASS_FW (clist)->cell_size_request
(clist, &GTK_CTREE_ROW (node)->row, column, &requisition);
}
if (GTK_CTREE_ROW (node)->row.cell[column].style)
{
if (GTK_WIDGET_REALIZED (ctree))
gtk_style_detach (GTK_CTREE_ROW (node)->row.cell[column].style);
gtk_style_unref (GTK_CTREE_ROW (node)->row.cell[column].style);
}
GTK_CTREE_ROW (node)->row.cell[column].style = style;
if (GTK_CTREE_ROW (node)->row.cell[column].style)
{
gtk_style_ref (GTK_CTREE_ROW (node)->row.cell[column].style);
if (GTK_WIDGET_REALIZED (ctree))
GTK_CTREE_ROW (node)->row.cell[column].style =
gtk_style_attach (GTK_CTREE_ROW (node)->row.cell[column].style,
clist->clist_window);
}
if (visible)
column_auto_resize (clist, &GTK_CTREE_ROW (node)->row, column,
requisition.width);
tree_draw_node (ctree, node);
}
GtkStyle *
gtk_ctree_node_get_cell_style (GtkCTree *ctree,
GtkCTreeNode *node,
gint column)
{
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);
if (column < 0 || column >= GTK_CLIST (ctree)->columns)
return NULL;
return GTK_CTREE_ROW (node)->row.cell[column].style;
}
void
gtk_ctree_node_set_row_style (GtkCTree *ctree,
GtkCTreeNode *node,
GtkStyle *style)
{
GtkCList *clist;
GtkRequisition requisition;
gboolean visible;
gint *old_width = NULL;
gint i;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
g_return_if_fail (node != NULL);
clist = GTK_CLIST (ctree);
if (GTK_CTREE_ROW (node)->row.style == style)
return;
visible = gtk_ctree_is_viewable (ctree, node);
if (visible && !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
{
old_width = g_new (gint, clist->columns);
for (i = 0; i < clist->columns; i++)
if (clist->column[i].auto_resize)
{
GTK_CLIST_CLASS_FW (clist)->cell_size_request
(clist, &GTK_CTREE_ROW (node)->row, i, &requisition);
old_width[i] = requisition.width;
}
}
if (GTK_CTREE_ROW (node)->row.style)
{
if (GTK_WIDGET_REALIZED (ctree))
gtk_style_detach (GTK_CTREE_ROW (node)->row.style);
gtk_style_unref (GTK_CTREE_ROW (node)->row.style);
}
GTK_CTREE_ROW (node)->row.style = style;
if (GTK_CTREE_ROW (node)->row.style)
{
gtk_style_ref (GTK_CTREE_ROW (node)->row.style);
if (GTK_WIDGET_REALIZED (ctree))
GTK_CTREE_ROW (node)->row.style =
gtk_style_attach (GTK_CTREE_ROW (node)->row.style,
clist->clist_window);
}
if (visible && !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
{
for (i = 0; i < clist->columns; i++)
if (clist->column[i].auto_resize)
column_auto_resize (clist, &GTK_CTREE_ROW (node)->row, i,
old_width[i]);
g_free (old_width);
}
tree_draw_node (ctree, node);
}
GtkStyle *
gtk_ctree_node_get_row_style (GtkCTree *ctree,
GtkCTreeNode *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.style;
}
void
gtk_ctree_node_set_foreground (GtkCTree *ctree,
GtkCTreeNode *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;
if (GTK_WIDGET_REALIZED (ctree))
gdk_color_alloc (gtk_widget_get_colormap (GTK_WIDGET (ctree)),
&GTK_CTREE_ROW (node)->row.foreground);
}
else
GTK_CTREE_ROW (node)->row.fg_set = FALSE;
tree_draw_node (ctree, node);
}
void
gtk_ctree_node_set_background (GtkCTree *ctree,
GtkCTreeNode *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;
if (GTK_WIDGET_REALIZED (ctree))
gdk_color_alloc (gtk_widget_get_colormap (GTK_WIDGET (ctree)),
&GTK_CTREE_ROW (node)->row.background);
}
else
GTK_CTREE_ROW (node)->row.bg_set = FALSE;
tree_draw_node (ctree, node);
}
void
gtk_ctree_node_set_row_data (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data)
{
gtk_ctree_node_set_row_data_full (ctree, node, data, NULL);
}
void
gtk_ctree_node_set_row_data_full (GtkCTree *ctree,
GtkCTreeNode *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_node_get_row_data (GtkCTree *ctree,
GtkCTreeNode *node)
{
g_return_val_if_fail (ctree != NULL, NULL);
g_return_val_if_fail (GTK_IS_CTREE (ctree), NULL);
return node ? GTK_CTREE_ROW (node)->row.data : NULL;
}
void
gtk_ctree_node_moveto (GtkCTree *ctree,
GtkCTreeNode *node,
gint column,
gfloat row_align,
gfloat col_align)
{
gint row = -1;
GtkCList *clist;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
clist = GTK_CLIST (ctree);
while (node && !gtk_ctree_is_viewable (ctree, node))
node = GTK_CTREE_ROW (node)->parent;
if (node)
row = g_list_position (clist->row_list, (GList *)node);
gtk_clist_moveto (clist, row, column, row_align, col_align);
}
GtkVisibility gtk_ctree_node_is_visible (GtkCTree *ctree,
GtkCTreeNode *node)
{
gint row;
g_return_val_if_fail (ctree != NULL, 0);
g_return_val_if_fail (node != NULL, 0);
row = g_list_position (GTK_CLIST (ctree)->row_list, (GList*) node);
return gtk_clist_row_is_visible (GTK_CLIST (ctree), row);
}
/***********************************************************
* GtkCTree specific functions *
***********************************************************/
void
gtk_ctree_set_indent (GtkCTree *ctree,
gint indent)
{
GtkCList *clist;
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)
return;
clist = GTK_CLIST (ctree);
ctree->tree_indent = indent;
if (clist->column[ctree->tree_column].auto_resize &&
!GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
gtk_clist_set_column_width
(clist, ctree->tree_column,
gtk_clist_optimal_column_width (clist, ctree->tree_column));
else if (!GTK_CLIST_FROZEN (ctree))
gtk_clist_thaw (GTK_CLIST (ctree));
}
void
gtk_ctree_set_spacing (GtkCTree *ctree,
gint spacing)
{
GtkCList *clist;
gint old_spacing;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
g_return_if_fail (spacing >= 0);
if (spacing == ctree->tree_spacing)
return;
clist = GTK_CLIST (ctree);
old_spacing = ctree->tree_spacing;
ctree->tree_spacing = spacing;
if (clist->column[ctree->tree_column].auto_resize &&
!GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
gtk_clist_set_column_width (clist, ctree->tree_column,
clist->column[ctree->tree_column].width +
spacing - old_spacing);
else if (!GTK_CLIST_FROZEN (ctree))
gtk_clist_thaw (GTK_CLIST (ctree));
}
void
gtk_ctree_show_stub (GtkCTree *ctree,
gboolean show_stub)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
show_stub = show_stub != FALSE;
if (show_stub != ctree->show_stub)
{
GtkCList *clist;
clist = GTK_CLIST (ctree);
ctree->show_stub = show_stub;
if (!GTK_CLIST_FROZEN (clist) && clist->rows &&
gtk_clist_row_is_visible (clist, 0) != GTK_VISIBILITY_NONE)
GTK_CLIST_CLASS_FW (clist)->draw_row
(clist, NULL, 0, GTK_CLIST_ROW (clist->row_list));
}
}
void
gtk_ctree_set_reorderable (GtkCTree *ctree,
gboolean reorderable)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
ctree->reorderable = reorderable;
}
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)
{
GtkCList *clist;
GtkCTreeLineStyle old_style;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
if (line_style == ctree->line_style)
return;
clist = GTK_CLIST (ctree);
old_style = ctree->line_style;
ctree->line_style = line_style;
if (clist->column[ctree->tree_column].auto_resize &&
!GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
{
if (old_style == GTK_CTREE_LINES_TABBED)
gtk_clist_set_column_width
(clist, ctree->tree_column,
clist->column[ctree->tree_column].width - 3);
else if (line_style == GTK_CTREE_LINES_TABBED)
gtk_clist_set_column_width
(clist, ctree->tree_column,
clist->column[ctree->tree_column].width + 3);
}
if (GTK_WIDGET_REALIZED (ctree))
{
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_TABBED:
if (GTK_WIDGET_REALIZED (ctree))
gdk_gc_set_line_attributes (ctree->lines_gc, 1, GDK_LINE_SOLID,
None, None);
break;
case GTK_CTREE_LINES_NONE:
break;
default:
return;
}
if (!GTK_CLIST_FROZEN (ctree))
gtk_clist_thaw (GTK_CLIST (ctree));
}
}
void
gtk_ctree_set_expander_style (GtkCTree *ctree,
GtkCTreeExpanderStyle expander_style)
{
GtkCList *clist;
GtkCTreeExpanderStyle old_style;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
if (expander_style == ctree->expander_style)
return;
clist = GTK_CLIST (ctree);
old_style = ctree->expander_style;
ctree->expander_style = expander_style;
if (clist->column[ctree->tree_column].auto_resize &&
!GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
{
gint new_width;
new_width = clist->column[ctree->tree_column].width;
switch (old_style)
{
case GTK_CTREE_EXPANDER_NONE:
break;
case GTK_CTREE_EXPANDER_TRIANGLE:
new_width -= PM_SIZE + 3;
break;
case GTK_CTREE_EXPANDER_SQUARE:
case GTK_CTREE_EXPANDER_CIRCULAR:
new_width -= PM_SIZE + 1;
break;
}
switch (expander_style)
{
case GTK_CTREE_EXPANDER_NONE:
break;
case GTK_CTREE_EXPANDER_TRIANGLE:
new_width += PM_SIZE + 3;
break;
case GTK_CTREE_EXPANDER_SQUARE:
case GTK_CTREE_EXPANDER_CIRCULAR:
new_width += PM_SIZE + 1;
break;
}
gtk_clist_set_column_width (clist, ctree->tree_column, new_width);
}
if (!GTK_CLIST_FROZEN (ctree) && GTK_WIDGET_DRAWABLE (clist))
gtk_clist_thaw (GTK_CLIST (ctree));
}
/***********************************************************
* Tree sorting functions *
***********************************************************/
static void
tree_sort (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data)
{
GtkCTreeNode *list_start;
GtkCTreeNode *cmp;
GtkCTreeNode *work;
GtkCList *clist;
clist = GTK_CLIST (ctree);
if (node)
list_start = GTK_CTREE_ROW (node)->children;
else
list_start = GTK_CTREE_NODE (clist->row_list);
while (list_start)
{
cmp = list_start;
work = GTK_CTREE_ROW (cmp)->sibling;
while (work)
{
if (clist->sort_type == GTK_SORT_ASCENDING)
{
if (clist->compare
(clist, GTK_CTREE_ROW (work), GTK_CTREE_ROW (cmp)) < 0)
cmp = work;
}
else
{
if (clist->compare
(clist, GTK_CTREE_ROW (work), GTK_CTREE_ROW (cmp)) > 0)
cmp = work;
}
work = GTK_CTREE_ROW (work)->sibling;
}
if (cmp == list_start)
list_start = GTK_CTREE_ROW (cmp)->sibling;
else
{
gtk_ctree_unlink (ctree, cmp, FALSE);
gtk_ctree_link (ctree, cmp, node, list_start, FALSE);
}
}
}
void
gtk_ctree_sort_recursive (GtkCTree *ctree,
GtkCTreeNode *node)
{
GtkCList *clist;
GtkCTreeNode *focus_node = NULL;
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 (clist->selection_mode == GTK_SELECTION_EXTENDED)
{
if (clist->anchor != -1)
GTK_CLIST_CLASS_FW (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;
}
if (!node || (node && gtk_ctree_is_viewable (ctree, node)))
focus_node =
GTK_CTREE_NODE (g_list_nth (clist->row_list, clist->focus_row));
gtk_ctree_post_recursive (ctree, node, GTK_CTREE_FUNC (tree_sort), NULL);
if (!node)
tree_sort (ctree, NULL, NULL);
if (focus_node)
{
clist->focus_row = g_list_position (clist->row_list,(GList *)focus_node);
clist->undo_anchor = clist->focus_row;
}
if (thaw)
gtk_clist_thaw (clist);
}
static void
real_sort_list (GtkCList *clist)
{
gtk_ctree_sort_recursive (GTK_CTREE (clist), NULL);
}
void
gtk_ctree_sort_node (GtkCTree *ctree,
GtkCTreeNode *node)
{
GtkCList *clist;
GtkCTreeNode *focus_node = NULL;
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 (clist->selection_mode == GTK_SELECTION_EXTENDED)
{
if (clist->anchor != -1)
GTK_CLIST_CLASS_FW (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;
}
if (!node || (node && gtk_ctree_is_viewable (ctree, node)))
focus_node = GTK_CTREE_NODE
(g_list_nth (clist->row_list, clist->focus_row));
tree_sort (ctree, node, NULL);
if (focus_node)
{
clist->focus_row = g_list_position (clist->row_list,(GList *)focus_node);
clist->undo_anchor = clist->focus_row;
}
if (thaw)
gtk_clist_thaw (clist);
}
/************************************************************************/
static void
fake_unselect_all (GtkCList *clist,
gint row)
{
GList *list;
GList *focus_node = NULL;
if (row >= 0 && (focus_node = g_list_nth (clist->row_list, row)))
{
if (GTK_CTREE_ROW (focus_node)->row.state == GTK_STATE_NORMAL &&
GTK_CTREE_ROW (focus_node)->row.selectable)
{
GTK_CTREE_ROW (focus_node)->row.state = GTK_STATE_SELECTED;
if (!GTK_CLIST_FROZEN (clist) &&
gtk_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE)
GTK_CLIST_CLASS_FW (clist)->draw_row (clist, NULL, row,
GTK_CLIST_ROW (focus_node));
}
}
clist->undo_selection = clist->selection;
clist->selection = NULL;
clist->selection_end = NULL;
for (list = clist->undo_selection; list; list = list->next)
{
if (list->data == focus_node)
continue;
GTK_CTREE_ROW ((GList *)(list->data))->row.state = GTK_STATE_NORMAL;
tree_draw_node (GTK_CTREE (clist), GTK_CTREE_NODE (list->data));
}
}
static GList *
selection_find (GtkCList *clist,
gint row_number,
GList *row_list_element)
{
return g_list_find (clist->selection, row_list_element);
}
static void
resync_selection (GtkCList *clist, GdkEvent *event)
{
GtkCTree *ctree;
GList *list;
GtkCTreeNode *node;
gint i;
gint e;
gint row;
gboolean thaw = FALSE;
gboolean unselect;
g_return_if_fail (clist != NULL);
g_return_if_fail (GTK_IS_CTREE (clist));
if (clist->anchor < 0)
return;
ctree = GTK_CTREE (clist);
if (!GTK_CLIST_FROZEN (clist))
{
GTK_CLIST_SET_FLAG (clist, CLIST_FROZEN);
thaw = TRUE;
}
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)
{
node = list->data;
list = list->next;
unselect = TRUE;
if (gtk_ctree_is_viewable (ctree, node))
{
row = g_list_position (clist->row_list, (GList *)node);
if (row >= i && row <= e)
unselect = FALSE;
}
if (unselect && GTK_CTREE_ROW (node)->row.selectable)
{
GTK_CTREE_ROW (node)->row.state = GTK_STATE_SELECTED;
gtk_ctree_unselect (ctree, node);
clist->undo_selection = g_list_prepend (clist->undo_selection,
node);
}
}
}
for (node = GTK_CTREE_NODE (g_list_nth (clist->row_list, i)); i <= e;
i++, node = GTK_CTREE_NODE_NEXT (node))
if (GTK_CTREE_ROW (node)->row.selectable)
{
if (g_list_find (clist->selection, node))
{
if (GTK_CTREE_ROW (node)->row.state == GTK_STATE_NORMAL)
{
GTK_CTREE_ROW (node)->row.state = GTK_STATE_SELECTED;
gtk_ctree_unselect (ctree, node);
clist->undo_selection = g_list_prepend (clist->undo_selection,
node);
}
}
else if (GTK_CTREE_ROW (node)->row.state == GTK_STATE_SELECTED)
{
GTK_CTREE_ROW (node)->row.state = GTK_STATE_NORMAL;
clist->undo_unselection = g_list_prepend (clist->undo_unselection,
node);
}
}
for (list = clist->undo_unselection; list; list = list->next)
gtk_ctree_select (ctree, list->data);
clist->anchor = -1;
clist->drag_pos = -1;
if (thaw)
GTK_CLIST_UNSET_FLAG (clist, CLIST_FROZEN);
}
static void
real_undo_selection (GtkCList *clist)
{
GtkCTree *ctree;
GList *work;
g_return_if_fail (clist != NULL);
g_return_if_fail (GTK_IS_CTREE (clist));
if (clist->selection_mode != GTK_SELECTION_EXTENDED)
return;
if (!(clist->undo_selection || clist->undo_unselection))
{
gtk_clist_unselect_all (clist);
return;
}
ctree = GTK_CTREE (clist);
for (work = clist->undo_selection; work; work = work->next)
if (GTK_CTREE_ROW (work->data)->row.selectable)
gtk_ctree_select (ctree, GTK_CTREE_NODE (work->data));
for (work = clist->undo_unselection; work; work = work->next)
if (GTK_CTREE_ROW (work->data)->row.selectable)
gtk_ctree_unselect (ctree, GTK_CTREE_NODE (work->data));
if (GTK_WIDGET_HAS_FOCUS (clist) && clist->focus_row != clist->undo_anchor)
{
gtk_widget_draw_focus (GTK_WIDGET (clist));
clist->focus_row = clist->undo_anchor;
gtk_widget_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);
}
void
gtk_ctree_set_drag_compare_func (GtkCTree *ctree,
GtkCTreeCompareDragFunc cmp_func)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
ctree->drag_compare = cmp_func;
}
static void
set_mouse_cursor (GtkCTree *ctree,
gboolean enable)
{
GdkCursor *cursor;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
if (enable)
cursor = gdk_cursor_new (GDK_LEFT_PTR);
else
cursor = gdk_cursor_new (GDK_CIRCLE);
gdk_window_set_cursor (GTK_CLIST (ctree)->clist_window, cursor);
gdk_cursor_destroy (cursor);
}
static void
check_cursor (GtkCTree *ctree)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
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)
set_mouse_cursor
(ctree,
(!ctree->drag_compare ||
ctree->drag_compare
(ctree,
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)
set_mouse_cursor
(ctree,
(!ctree->drag_compare ||
ctree->drag_compare
(ctree,
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)
set_mouse_cursor
(ctree,
(!ctree->drag_compare ||
ctree->drag_compare
(ctree,
ctree->drag_source,
ctree->drag_target,
GTK_CTREE_ROW (ctree->drag_target)->children)));
}
}
else
set_mouse_cursor(ctree, FALSE);
}
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