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gtk2/gtk/gtkctree.c
Tim Janik 0f0d9509c0 `const' fixups. 
Thu Sep  3 07:16:54 1998  Tim Janik  <timj@gtk.org>

        * gtk/gtkctree.h:
        * gtk/gtkctree.c: `const' fixups.

        * gtk/gtkclist.h:
        * gtk/gtkclist.c: `const' fixups and some coding style adaptions.

        * gtk/gtkctree.c (gtk_ctree_insert_node): don't dereference *text
        if it is passed as NULL.
1998-09-03 07:28:37 +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_destroy (GtkObject *object);
static void gtk_ctree_realize (GtkWidget *widget);
static void gtk_ctree_unrealize (GtkWidget *widget);
static gint gtk_ctree_button_press (GtkWidget *widget,
GdkEventButton *event);
static gint gtk_ctree_button_release (GtkWidget *widget,
GdkEventButton *event);
static gint gtk_ctree_button_motion (GtkWidget *widget,
GdkEventMotion *event);
static void draw_row (GtkCList *clist,
GdkRectangle *area,
gint row,
GtkCListRow *clist_row);
static void create_xor_gc (GtkCTree *ctree);
static void draw_xor_line (GtkCTree *ctree);
static void draw_xor_rect (GtkCTree *ctree);
static void create_drag_icon (GtkCTree *ctree,
GtkCTreeRow *row);
static void tree_draw_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);
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);
object_class->destroy = gtk_ctree_destroy;
widget_class->realize = gtk_ctree_realize;
widget_class->unrealize = gtk_ctree_unrealize;
widget_class->button_press_event = gtk_ctree_button_press;
widget_class->button_release_event = gtk_ctree_button_release;
widget_class->motion_notify_event = gtk_ctree_button_motion;
clist_class->select_row = 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;
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->xor_gc = NULL;
ctree->drag_icon = NULL;
ctree->tree_indent = 20;
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->drag_compare = NULL;
ctree->show_stub = TRUE;
}
static void
gtk_ctree_destroy (GtkObject *object)
{
gint i;
GtkCList *clist;
g_return_if_fail (object != NULL);
g_return_if_fail (GTK_IS_CTREE (object));
clist = GTK_CLIST (object);
GTK_CLIST_SET_FLAG (clist, CLIST_FROZEN);
gtk_clist_clear (GTK_CLIST (object));
if (clist->vscrollbar)
{
gtk_widget_unparent (clist->vscrollbar);
clist->vscrollbar = NULL;
}
if (clist->hscrollbar)
{
gtk_widget_unparent (clist->hscrollbar);
clist->hscrollbar = NULL;
}
for (i = 0; i < clist->columns; i++)
if (clist->column[i].button)
{
gtk_widget_unparent (clist->column[i].button);
clist->column[i].button = NULL;
}
if (GTK_OBJECT_CLASS (container_class)->destroy)
(*GTK_OBJECT_CLASS (container_class)->destroy) (object);
}
static void
gtk_ctree_realize (GtkWidget *widget)
{
GtkCTree *ctree;
GdkGCValues values;
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);
values.foreground = widget->style->fg[GTK_STATE_NORMAL];
values.background = widget->style->bg[GTK_STATE_NORMAL];
values.subwindow_mode = GDK_INCLUDE_INFERIORS;
values.line_style = GDK_LINE_SOLID;
ctree->lines_gc = gdk_gc_new_with_values (GTK_CLIST(widget)->clist_window,
&values,
GDK_GC_FOREGROUND |
GDK_GC_BACKGROUND |
GDK_GC_SUBWINDOW |
GDK_GC_LINE_STYLE);
if (ctree->line_style == GTK_CTREE_LINES_DOTTED)
{
gdk_gc_set_line_attributes (ctree->lines_gc, 1,
GDK_LINE_ON_OFF_DASH, None, None);
gdk_gc_set_dashes (ctree->lines_gc, 0, "\1\1", 2);
}
if (ctree->reorderable)
create_xor_gc (ctree);
}
static void
gtk_ctree_unrealize (GtkWidget *widget)
{
GtkCTree *ctree;
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);
gdk_gc_destroy (ctree->lines_gc);
if (ctree->reorderable)
gdk_gc_destroy (ctree->xor_gc);
}
static gint
gtk_ctree_button_press (GtkWidget *widget,
GdkEventButton *event)
{
GtkCTree *ctree;
GtkCList *clist;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_CTREE (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
ctree = GTK_CTREE (widget);
clist = GTK_CLIST (widget);
if (event->window == clist->clist_window)
{
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;
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;
}
/* 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
create_xor_gc (GtkCTree *ctree)
{
GtkCList *clist;
GdkGCValues values;
clist = GTK_CLIST (ctree);
values.foreground = GTK_WIDGET (clist)->style->bg[GTK_STATE_NORMAL];
values.function = GDK_XOR;
values.subwindow_mode = GDK_INCLUDE_INFERIORS;
ctree->xor_gc = gdk_gc_new_with_values (clist->clist_window, &values,
GDK_GC_FOREGROUND |
GDK_GC_FUNCTION |
GDK_GC_SUBWINDOW);
gdk_gc_set_line_attributes (ctree->xor_gc, 1, GDK_LINE_ON_OFF_DASH,
None, None);
gdk_gc_set_dashes (ctree->xor_gc, 0, "\2\2", 2);
}
static void
draw_xor_line (GtkCTree *ctree)
{
GtkCList *clist;
gint level;
gint y = 0;
clist = GTK_CLIST (ctree);
level = GTK_CTREE_ROW (ctree->drag_target)->level;
if (ctree->insert_pos == GTK_CTREE_POS_AFTER)
y = ROW_TOP_YPIXEL (clist, ctree->drag_row) + clist->row_height;
else
y = ROW_TOP_YPIXEL (clist, ctree->drag_row) - 1;
switch (clist->column[ctree->tree_column].justification)
{
case GTK_JUSTIFY_CENTER:
case GTK_JUSTIFY_FILL:
case GTK_JUSTIFY_LEFT:
if (ctree->tree_column > 0)
gdk_draw_line (clist->clist_window, ctree->xor_gc,
COLUMN_LEFT_XPIXEL(clist, 0), y,
COLUMN_LEFT_XPIXEL(clist, ctree->tree_column - 1) +
clist->column[ctree->tree_column - 1].area.width, y);
gdk_draw_line (clist->clist_window, ctree->xor_gc,
COLUMN_LEFT_XPIXEL(clist, ctree->tree_column) +
ctree->tree_indent * level -
(ctree->tree_indent - PM_SIZE) / 2, y,
GTK_WIDGET (ctree)->allocation.width, y);
break;
case GTK_JUSTIFY_RIGHT:
if (ctree->tree_column < clist->columns - 1)
gdk_draw_line (clist->clist_window, ctree->xor_gc,
COLUMN_LEFT_XPIXEL(clist, ctree->tree_column + 1), y,
COLUMN_LEFT_XPIXEL(clist, clist->columns - 1) +
clist->column[clist->columns - 1].area.width, y);
gdk_draw_line (clist->clist_window, ctree->xor_gc,
0, y, COLUMN_LEFT_XPIXEL(clist, ctree->tree_column)
+ clist->column[ctree->tree_column].area.width
- ctree->tree_indent * level +
(ctree->tree_indent - PM_SIZE) / 2, y);
break;
}
}
static void
draw_xor_rect (GtkCTree *ctree)
{
GtkCList *clist;
GdkPoint points[4];
guint level;
gint i;
gint y;
clist = GTK_CLIST (ctree);
level = GTK_CTREE_ROW (ctree->drag_target)->level;
y = ROW_TOP_YPIXEL (clist, ctree->drag_row) + clist->row_height;
switch (clist->column[ctree->tree_column].justification)
{
case GTK_JUSTIFY_CENTER:
case GTK_JUSTIFY_FILL:
case GTK_JUSTIFY_LEFT:
points[0].x = COLUMN_LEFT_XPIXEL(clist, ctree->tree_column) +
ctree->tree_indent * level - (ctree->tree_indent - PM_SIZE) / 2;
points[0].y = y;
points[3].x = points[0].x;
points[3].y = y - clist->row_height - 1;
points[1].x = clist->clist_window_width - 1;
points[1].y = points[0].y;
points[2].x = points[1].x;
points[2].y = points[3].y;
for (i = 0; i < 3; i++)
gdk_draw_line (clist->clist_window, ctree->xor_gc,
points[i].x, points[i].y, points[i+1].x, points[i+1].y);
if (ctree->tree_column > 0)
{
points[0].x = COLUMN_LEFT_XPIXEL(clist, ctree->tree_column - 1) +
clist->column[ctree->tree_column - 1].area.width ;
points[0].y = y;
points[3].x = points[0].x;
points[3].y = y - clist->row_height - 1;
points[1].x = 0;
points[1].y = points[0].y;
points[2].x = 0;
points[2].y = points[3].y;
for (i = 0; i < 3; i++)
gdk_draw_line (clist->clist_window, ctree->xor_gc,
points[i].x, points[i].y, points[i+1].x,
points[i+1].y);
}
break;
case GTK_JUSTIFY_RIGHT:
points[0].x = COLUMN_LEFT_XPIXEL(clist, ctree->tree_column) -
ctree->tree_indent * level + (ctree->tree_indent - PM_SIZE) / 2 +
clist->column[ctree->tree_column].area.width;
points[0].y = y;
points[3].x = points[0].x;
points[3].y = y - clist->row_height - 1;
points[1].x = 0;
points[1].y = points[0].y;
points[2].x = 0;
points[2].y = points[3].y;
for (i = 0; i < 3; i++)
gdk_draw_line (clist->clist_window, ctree->xor_gc,
points[i].x, points[i].y, points[i+1].x, points[i+1].y);
if (ctree->tree_column < clist->columns - 1)
{
points[0].x = COLUMN_LEFT_XPIXEL(clist, ctree->tree_column + 1);
points[0].y = y;
points[3].x = points[0].x;
points[3].y = y - clist->row_height - 1;
points[1].x = clist->clist_window_width - 1;
points[1].y = points[0].y;
points[2].x = points[1].x;
points[2].y = points[3].y;
for (i = 0; i < 3; i++)
gdk_draw_line (clist->clist_window, ctree->xor_gc,
points[i].x, points[i].y, points[i+1].x,
points[i+1].y);
}
break;
}
}
static void
draw_row (GtkCList *clist,
GdkRectangle *area,
gint row,
GtkCListRow *clist_row)
{
GtkWidget *widget;
GtkCTree *ctree;
GdkGC *fg_gc;
GdkGC *bg_gc;
GdkRectangle row_rectangle;
GdkRectangle cell_rectangle;
GdkRectangle clip_rectangle;
GdkRectangle intersect_rectangle;
GdkRectangle *rect;
gint i, offset = 0, width, height, pixmap_width = 0, string_width = 0;
gint xsrc, ysrc, xdest = 0, ydest;
gboolean need_redraw = TRUE;
gboolean draw_pixmap = FALSE;
g_return_if_fail (clist != NULL);
/* bail now if we arn't drawable yet */
if (!GTK_WIDGET_DRAWABLE (clist))
return;
if (row < 0 || row >= clist->rows)
return;
widget = GTK_WIDGET (clist);
ctree = GTK_CTREE (clist);
/* if the function is passed the pointer to the row instead of null,
* it avoids this expensive lookup */
if (!clist_row)
clist_row = (g_list_nth (clist->row_list, row))->data;
/* rectangle of the entire row */
row_rectangle.x = 0;
row_rectangle.y = ROW_TOP_YPIXEL (clist, row);
row_rectangle.width = clist->clist_window_width;
row_rectangle.height = clist->row_height;
/* rectangle of the cell spacing above the row */
cell_rectangle.x = 0;
cell_rectangle.y = row_rectangle.y - CELL_SPACING;
cell_rectangle.width = row_rectangle.width;
cell_rectangle.height = CELL_SPACING;
/* rectangle used to clip drawing operations, it's y and height
* positions only need to be set once, so we set them once here.
* the x and width are set withing the drawing loop below once per
* column */
clip_rectangle.y = row_rectangle.y;
clip_rectangle.height = row_rectangle.height;
/* select GC for background rectangle */
if (clist_row->state == GTK_STATE_SELECTED)
{
fg_gc = widget->style->fg_gc[GTK_STATE_SELECTED];
bg_gc = widget->style->bg_gc[GTK_STATE_SELECTED];
}
else
{
if (clist_row->fg_set)
{
gdk_gc_set_foreground (clist->fg_gc, &clist_row->foreground);
fg_gc = clist->fg_gc;
}
else
fg_gc = widget->style->fg_gc[GTK_STATE_NORMAL];
if (clist_row->bg_set)
{
gdk_gc_set_foreground (clist->bg_gc, &clist_row->background);
bg_gc = clist->bg_gc;
}
else
bg_gc = widget->style->bg_gc[GTK_STATE_PRELIGHT];
}
/* draw the cell borders and background */
if (area)
{
if (gdk_rectangle_intersect (area, &cell_rectangle,
&intersect_rectangle))
gdk_draw_rectangle (clist->clist_window,
widget->style->base_gc[GTK_STATE_NORMAL],
TRUE,
intersect_rectangle.x,
intersect_rectangle.y,
intersect_rectangle.width,
intersect_rectangle.height);
/* the last row has to clear it's bottom cell spacing too */
if (clist_row == clist->row_list_end->data)
{
cell_rectangle.y += clist->row_height + CELL_SPACING;
if (gdk_rectangle_intersect (area, &cell_rectangle,
&intersect_rectangle))
gdk_draw_rectangle (clist->clist_window,
widget->style->base_gc[GTK_STATE_NORMAL],
TRUE,
intersect_rectangle.x,
intersect_rectangle.y,
intersect_rectangle.width,
intersect_rectangle.height);
}
if (gdk_rectangle_intersect
(area, &row_rectangle, &intersect_rectangle))
{
if (clist_row->state == GTK_STATE_SELECTED || clist_row->bg_set)
gdk_draw_rectangle (clist->clist_window,
bg_gc,
TRUE,
intersect_rectangle.x,
intersect_rectangle.y,
intersect_rectangle.width,
intersect_rectangle.height);
else
gdk_window_clear_area (clist->clist_window,
intersect_rectangle.x,
intersect_rectangle.y,
intersect_rectangle.width,
intersect_rectangle.height);
}
else
need_redraw = FALSE;
}
else
{
gdk_draw_rectangle (clist->clist_window,
widget->style->base_gc[GTK_STATE_NORMAL],
TRUE,
cell_rectangle.x,
cell_rectangle.y,
cell_rectangle.width,
cell_rectangle.height);
/* the last row has to clear it's bottom cell spacing too */
if (clist_row == clist->row_list_end->data)
{
cell_rectangle.y += clist->row_height + CELL_SPACING;
gdk_draw_rectangle (clist->clist_window,
widget->style->base_gc[GTK_STATE_NORMAL],
TRUE,
cell_rectangle.x,
cell_rectangle.y,
cell_rectangle.width,
cell_rectangle.height);
}
if (clist_row->state == GTK_STATE_SELECTED || clist_row->bg_set)
gdk_draw_rectangle (clist->clist_window,
bg_gc,
TRUE,
row_rectangle.x,
row_rectangle.y,
row_rectangle.width,
row_rectangle.height);
else
gdk_window_clear_area (clist->clist_window,
row_rectangle.x,
row_rectangle.y,
row_rectangle.width,
row_rectangle.height);
}
/* iterate and draw all the columns (row cells) and draw their contents */
for (i = 0; i < clist->columns; i++)
{
if (!need_redraw && ctree->tree_column != i)
continue;
clip_rectangle.x = clist->column[i].area.x + clist->hoffset;
clip_rectangle.width = clist->column[i].area.width;
/* calculate clipping region */
if (i == ctree->tree_column)
{
clip_rectangle.y -= CELL_SPACING;
clip_rectangle.height += CELL_SPACING;
}
if (i == ctree->tree_column)
{
if (clist_row->state == GTK_STATE_SELECTED)
{
gdk_gc_set_foreground (ctree->lines_gc,
&GTK_WIDGET (ctree)->style->
fg[GTK_STATE_SELECTED]);
gdk_gc_set_background (ctree->lines_gc,
&GTK_WIDGET (ctree)->style->
bg[GTK_STATE_SELECTED]);
}
else
{
gdk_gc_set_foreground (ctree->lines_gc,
&GTK_WIDGET (ctree)->style->
fg[GTK_STATE_NORMAL]);
if (clist_row->bg_set)
gdk_gc_set_background (ctree->lines_gc,
&clist_row->background);
}
if (ctree->line_style == GTK_CTREE_LINES_TABBED)
{
if (clist->column[i].justification == GTK_JUSTIFY_RIGHT)
{
xdest = clip_rectangle.x + clip_rectangle.width - 1 -
(((GtkCTreeRow *) clist_row)->level - 1) *
ctree->tree_indent;
gdk_draw_line (clist->clist_window,
ctree->lines_gc,
-1,
row_rectangle.y - 1,
MAX (xdest - TAB_SIZE, clip_rectangle.x - 1),
row_rectangle.y - 1);
if (clist_row == clist->row_list_end->data)
gdk_draw_line
(clist->clist_window,
ctree->lines_gc,
-1,
row_rectangle.y + clist->row_height,
MAX (clip_rectangle.x + clip_rectangle.width -
TAB_SIZE - 1 -
(((GtkCTreeRow *) clist_row)->level > 1) *
MIN (ctree->tree_indent / 2, TAB_SIZE),
clip_rectangle.x - 1),
row_rectangle.y + clist->row_height);
if (clist_row->state != GTK_STATE_SELECTED)
gdk_draw_rectangle
(clist->clist_window,
widget->style->bg_gc[GTK_STATE_PRELIGHT],
TRUE,
clip_rectangle.x + clip_rectangle.width,
row_rectangle.y,
CELL_SPACING + COLUMN_INSET,
row_rectangle.height);
}
else
{
xdest = clip_rectangle.x +
(((GtkCTreeRow *) clist_row)->level - 1) *
ctree->tree_indent;
gdk_draw_line (clist->clist_window,
ctree->lines_gc,
MIN (xdest + TAB_SIZE,
clip_rectangle.x + clip_rectangle.width),
row_rectangle.y - 1,
clist->clist_window_width,
row_rectangle.y - 1);
if (clist_row == clist->row_list_end->data)
gdk_draw_line
(clist->clist_window, ctree->lines_gc,
MIN (clip_rectangle.x + TAB_SIZE +
(((GtkCTreeRow *) clist_row)->level > 1) *
MIN (ctree->tree_indent / 2, TAB_SIZE),
clip_rectangle.x + clip_rectangle.width),
row_rectangle.y + clist->row_height,
clist->clist_window_width,
row_rectangle.y + clist->row_height);
if (clist_row->state != GTK_STATE_SELECTED)
gdk_draw_rectangle
(clist->clist_window,
widget->style->bg_gc[GTK_STATE_PRELIGHT],
TRUE,
clip_rectangle.x - CELL_SPACING - COLUMN_INSET,
row_rectangle.y,
CELL_SPACING + COLUMN_INSET,
row_rectangle.height);
}
}
}
if (!area)
{
rect = &clip_rectangle;
}
else
{
if (!gdk_rectangle_intersect (area, &clip_rectangle,
&intersect_rectangle))
continue;
rect = &intersect_rectangle;
}
/* calculate real width for column justification */
switch (clist_row->cell[i].type)
{
case GTK_CELL_EMPTY:
continue;
break;
case GTK_CELL_TEXT:
width = gdk_string_width (GTK_WIDGET (clist)->style->font,
GTK_CELL_TEXT (clist_row->cell[i])->text);
break;
case GTK_CELL_PIXMAP:
gdk_window_get_size (GTK_CELL_PIXMAP (clist_row->cell[i])->pixmap,
&width, &height);
pixmap_width = width;
break;
case GTK_CELL_PIXTEXT:
if (i == ctree->tree_column)
{
string_width = 0;
width = 0;
if (GTK_CELL_PIXTEXT (clist_row->cell[i])->pixmap)
gdk_window_get_size (GTK_CELL_PIXTEXT
(clist_row->cell[i])->pixmap,
&width, &height);
pixmap_width = width;
width += GTK_CELL_PIXTEXT (clist_row->cell[i])->spacing;
if (GTK_CELL_PIXTEXT (clist_row->cell[i])->text)
string_width += gdk_string_width
(GTK_WIDGET (clist)->style->font,
GTK_CELL_PIXTEXT(clist_row->cell[i])->text);
width += string_width +
((GtkCTreeRow *)clist_row)->level * ctree->tree_indent;
}
else
{
gdk_window_get_size (GTK_CELL_PIXTEXT
(clist_row->cell[i])->pixmap,
&width, &height);
pixmap_width = width;
width += GTK_CELL_PIXTEXT (clist_row->cell[i])->spacing;
width += gdk_string_width (GTK_WIDGET (clist)->style->font,
GTK_CELL_PIXTEXT
(clist_row->cell[i])->text);
}
break;
case GTK_CELL_WIDGET:
/* unimplemented */
continue;
break;
default:
continue;
break;
}
switch (clist->column[i].justification)
{
case GTK_JUSTIFY_LEFT:
offset = clip_rectangle.x;
break;
case GTK_JUSTIFY_RIGHT:
offset = (clip_rectangle.x + clip_rectangle.width) - width;
break;
case GTK_JUSTIFY_CENTER:
offset = (clip_rectangle.x + (clip_rectangle.width / 2))
- (width / 2);
break;
case GTK_JUSTIFY_FILL:
offset = (clip_rectangle.x + (clip_rectangle.width / 2))
- (width / 2);
break;
default:
offset = 0;
break;
};
if (i == ctree->tree_column)
{
GdkGC *cgc;
GdkGC *tgc;
GdkGC *mbg_gc;
GtkCTreeNode *work;
GtkCTreeNode *work2;
gint xoffset;
gint yoffset;
gint xcenter;
gint ycenter;
gint offset_x;
gint offset_y = 0;
gint next_level;
gint in;
GdkPoint points[6];
xsrc = 0;
ysrc = 0;
yoffset = (clip_rectangle.height - PM_SIZE) / 2;
xoffset = (ctree->tree_indent - PM_SIZE) / 2;
ycenter = clip_rectangle.y + (clip_rectangle.height / 2);
ydest = ycenter - height / 2 + clist_row->cell[i].vertical;
gdk_gc_set_clip_origin (fg_gc, 0, 0);
gdk_gc_set_clip_rectangle (fg_gc, rect);
if (ctree->line_style != GTK_CTREE_LINES_NONE)
{
gdk_gc_set_clip_origin (ctree->lines_gc, 0, 0);
gdk_gc_set_clip_rectangle (ctree->lines_gc, rect);
}
switch (clist->column[i].justification)
{
case GTK_JUSTIFY_CENTER:
case GTK_JUSTIFY_FILL:
offset = clip_rectangle.x;
case GTK_JUSTIFY_LEFT:
offset_x = 1;
xdest = clip_rectangle.x - xoffset +
(((GtkCTreeRow *) clist_row)->level - 1) * ctree->tree_indent;
xcenter = xdest + (ctree->tree_indent / 2);
switch (ctree->line_style)
{
case GTK_CTREE_LINES_NONE:
break;
case GTK_CTREE_LINES_TABBED:
xdest = clip_rectangle.x +
(((GtkCTreeRow *) clist_row)->level - 1) *
ctree->tree_indent;
xcenter = xdest + TAB_SIZE;
gdk_gc_set_clip_origin (clist->bg_gc, 0, 0);
gdk_gc_set_clip_rectangle (clist->bg_gc, rect);
gdk_gc_set_clip_origin
(widget->style->bg_gc[GTK_STATE_PRELIGHT], 0, 0);
gdk_gc_set_clip_rectangle
(widget->style->bg_gc[GTK_STATE_PRELIGHT], rect);
work = ((GtkCTreeRow *)clist_row)->parent;
next_level = ((GtkCTreeRow *)clist_row)->level;
if (!(((GtkCTreeRow *)clist_row)->sibling ||
(((GtkCTreeRow *)clist_row)->children &&
((GtkCTreeRow *)clist_row)->expanded)))
{
work2 = gtk_ctree_find_node_ptr
(ctree, (GtkCTreeRow *) clist_row);
if (GTK_CTREE_NODE_NEXT (work2))
next_level =
GTK_CTREE_ROW (GTK_CTREE_NODE_NEXT (work2))->level;
else
next_level = 0;
}
while (work)
{
xcenter -= ctree->tree_indent;
if (GTK_CTREE_ROW(work)->row.bg_set)
{
gdk_gc_set_foreground
(clist->bg_gc,
&(GTK_CTREE_ROW(work)->row.background));
mbg_gc = clist->bg_gc;
}
else
mbg_gc = widget->style->bg_gc[GTK_STATE_PRELIGHT];
if (clist_row->state != GTK_STATE_SELECTED)
gdk_draw_rectangle (clist->clist_window, mbg_gc, TRUE,
xcenter, rect->y,
ctree->tree_indent, rect->height);
if (next_level > GTK_CTREE_ROW (work)->level)
gdk_draw_line
(clist->clist_window, ctree->lines_gc,
xcenter, rect->y,
xcenter, rect->y + rect->height);
else
{
gdk_draw_line (clist->clist_window, ctree->lines_gc,
xcenter, clip_rectangle.y,
xcenter, ycenter);
in = MIN (ctree->tree_indent, 2 * TAB_SIZE);
if (clist_row->state != GTK_STATE_SELECTED)
{
work2 = GTK_CTREE_ROW (work)->parent;
if (work2 && GTK_CTREE_ROW (work2)->row.bg_set)
{
gdk_gc_set_foreground
(clist->bg_gc,
&(GTK_CTREE_ROW (work2)->row.background));
gdk_draw_rectangle
(clist->clist_window, clist->bg_gc, TRUE,
xcenter,
ycenter,
in / 2 + in % 2,
row_rectangle.height / 2 + 1);
if (GTK_CTREE_ROW (work)->row.bg_set)
gdk_gc_set_foreground
(clist->bg_gc,
&(GTK_CTREE_ROW (work)->row.background));
}
else
gdk_draw_rectangle
(clist->clist_window,
widget->style->bg_gc[GTK_STATE_PRELIGHT],
TRUE,
xcenter,
ycenter,
in / 2 + in % 2,
row_rectangle.height / 2 + 1);
gdk_draw_arc (clist->clist_window, mbg_gc,
TRUE,
xcenter, clip_rectangle.y,
in, clist->row_height,
180 * 64, 90 * 64);
}
gdk_draw_arc (clist->clist_window, ctree->lines_gc,
FALSE,
xcenter, clip_rectangle.y,
in, clist->row_height,
180 * 64, 90 * 64);
}
work = GTK_CTREE_ROW (work)->parent;
}
if (clist_row->state != GTK_STATE_SELECTED)
gdk_draw_rectangle
(clist->clist_window,
widget->style->bg_gc[GTK_STATE_PRELIGHT], TRUE,
clip_rectangle.x, row_rectangle.y,
TAB_SIZE, row_rectangle.height);
xcenter = xdest + (ctree->tree_indent / 2);
if (clist_row->bg_set)
gdk_gc_set_foreground
(clist->bg_gc, &clist_row->background);
if (((GtkCTreeRow *)clist_row)->is_leaf)
{
points[0].x = xdest + TAB_SIZE;
points[0].y = row_rectangle.y - 1;
points[1].x = points[0].x - 4;
points[1].y = points[0].y;
points[2].x = points[1].x - 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 + 2;
points[4].y = points[3].y + 3;
points[5].x = points[4].x + 4;
points[5].y = points[4].y;
if (clist_row->state != GTK_STATE_SELECTED)
gdk_draw_polygon (clist->clist_window, bg_gc, TRUE,
points, 6);
gdk_draw_lines (clist->clist_window, ctree->lines_gc,
points, 6);
}
else
{
if (clist_row->state != GTK_STATE_SELECTED)
gdk_draw_arc (clist->clist_window, bg_gc, TRUE,
xdest, row_rectangle.y - 1,
2 * TAB_SIZE, clist->row_height,
90 * 64, 180 * 64);
gdk_draw_arc (clist->clist_window, ctree->lines_gc,
FALSE,
xdest, row_rectangle.y - 1,
2 * TAB_SIZE, clist->row_height,
90 * 64, 180 * 64);
}
gdk_gc_set_clip_rectangle (ctree->lines_gc, NULL);
gdk_gc_set_clip_rectangle (clist->bg_gc, NULL);
gdk_gc_set_clip_rectangle
(widget->style->bg_gc[GTK_STATE_PRELIGHT], NULL);
break;
default:
xcenter = xdest + (ctree->tree_indent / 2);
if (ctree->line_style == GTK_CTREE_LINES_DOTTED)
{
offset_x += abs ((clip_rectangle.x + clist->hoffset) %
2);
offset_y = abs ((clip_rectangle.y + clist->voffset) % 2);
}
gdk_draw_line (clist->clist_window, ctree->lines_gc,
xcenter,
(ctree->show_stub ||
clist->row_list->data != clist_row) ?
clip_rectangle.y + offset_y : ycenter,
xcenter,
(((GtkCTreeRow *)clist_row)->sibling) ?
rect->y + rect->height : ycenter);
gdk_draw_line (clist->clist_window, ctree->lines_gc,
xcenter + offset_x, ycenter,
xcenter + PM_SIZE / 2 + 2, ycenter);
work = ((GtkCTreeRow *)clist_row)->parent;
while (work)
{
xcenter -= ctree->tree_indent;
if (GTK_CTREE_ROW (work)->sibling)
gdk_draw_line (clist->clist_window, ctree->lines_gc,
xcenter, clip_rectangle.y + offset_y,
xcenter, rect->y + rect->height);
work = GTK_CTREE_ROW (work)->parent;
}
gdk_gc_set_clip_rectangle (ctree->lines_gc, NULL);
break;
}
if (((GtkCTreeRow *)clist_row)->children)
{
if (clist_row->state == GTK_STATE_SELECTED)
{
if (clist_row->fg_set)
tgc = clist->fg_gc;
else
tgc = widget->style->fg_gc[GTK_STATE_NORMAL];
cgc = tgc;
}
else
{
cgc = GTK_WIDGET
(clist)->style->fg_gc[GTK_STATE_SELECTED];
tgc = fg_gc;
}
gdk_gc_set_clip_rectangle (cgc, rect);
switch (ctree->line_style)
{
case GTK_CTREE_LINES_NONE:
if (!((GtkCTreeRow *)clist_row)->expanded)
{
points[0].x = xdest + xoffset + (PM_SIZE+2) / 6 + 2;
points[0].y = clip_rectangle.y + yoffset - 1;
points[1].x = points[0].x;
points[1].y = points[0].y + (PM_SIZE+2);
points[2].x = points[0].x + 2 * (PM_SIZE+2) / 3 - 1;
points[2].y = points[0].y + (PM_SIZE+2) / 2;
}
else
{
points[0].x = xdest + xoffset;
points[0].y = clip_rectangle.y + yoffset
+ (PM_SIZE+2) / 6;
points[1].x = points[0].x + (PM_SIZE+2);
points[1].y = points[0].y;
points[2].x = points[0].x + (PM_SIZE+2) / 2;
points[2].y = clip_rectangle.y + yoffset +
2 * (PM_SIZE+2) / 3;
}
gdk_draw_polygon (clist->clist_window,
GTK_WIDGET (clist)->style->
fg_gc[GTK_STATE_SELECTED],
TRUE, points, 3);
gdk_draw_polygon (clist->clist_window, tgc, FALSE,
points, 3);
break;
case GTK_CTREE_LINES_TABBED:
xcenter = xdest + PM_SIZE + 2;
gdk_draw_arc (clist->clist_window,
GTK_WIDGET (clist)->style->
fg_gc[GTK_STATE_SELECTED],
TRUE,
xcenter - PM_SIZE/2,
ycenter - PM_SIZE/2,
PM_SIZE, PM_SIZE, 0, 360 * 64);
gdk_draw_line (clist->clist_window, tgc,
xcenter - 2,
ycenter,
xcenter + 2,
ycenter);
if (!((GtkCTreeRow *)clist_row)->expanded)
gdk_draw_line (clist->clist_window, tgc,
xcenter, clip_rectangle.y + yoffset + 2,
xcenter,
clip_rectangle.y + yoffset + PM_SIZE-2);
break;
default:
gdk_draw_rectangle
(clist->clist_window,
GTK_WIDGET (clist)->style->fg_gc[GTK_STATE_SELECTED],
TRUE,
xdest + xoffset,
clip_rectangle.y + yoffset,
PM_SIZE, PM_SIZE);
gdk_draw_rectangle (clist->clist_window, tgc, FALSE,
xdest + xoffset,
clip_rectangle.y + yoffset,
PM_SIZE, PM_SIZE);
gdk_draw_line (clist->clist_window, tgc,
xdest + xoffset + 2, ycenter,
xdest + xoffset + PM_SIZE - 2, ycenter);
if (!((GtkCTreeRow *)clist_row)->expanded)
{
xcenter = xdest + (ctree->tree_indent / 2);
gdk_draw_line (clist->clist_window, tgc,
xcenter,
clip_rectangle.y + yoffset + 2,
xcenter,
clip_rectangle.y + yoffset +
PM_SIZE - 2);
}
break;
}
gdk_gc_set_clip_rectangle (cgc, NULL);
}
xdest += offset - clip_rectangle.x + ctree->tree_indent +
clist_row->cell[i].horizontal;
if (pixmap_width && xdest + pixmap_width >= rect->x &&
xdest <= rect->x + rect->width)
draw_pixmap = TRUE;
break;
case GTK_JUSTIFY_RIGHT:
offset_x = 0;
xdest = clip_rectangle.x + clip_rectangle.width + xoffset - 1 -
(((GtkCTreeRow *) clist_row)->level - 1) * ctree->tree_indent;
switch (ctree->line_style)
{
case GTK_CTREE_LINES_NONE:
break;
case GTK_CTREE_LINES_TABBED:
xdest = clip_rectangle.x + clip_rectangle.width - 1
- (((GtkCTreeRow *) clist_row)->level - 1)
* ctree->tree_indent;
xcenter = xdest - TAB_SIZE;
gdk_gc_set_clip_origin (clist->bg_gc, 0, 0);
gdk_gc_set_clip_rectangle (clist->bg_gc, rect);
gdk_gc_set_clip_origin
(widget->style->bg_gc[GTK_STATE_PRELIGHT], 0, 0);
gdk_gc_set_clip_rectangle
(widget->style->bg_gc[GTK_STATE_PRELIGHT], rect);
work = ((GtkCTreeRow *)clist_row)->parent;
next_level = ((GtkCTreeRow *)clist_row)->level;
if (!(((GtkCTreeRow *)clist_row)->sibling ||
(((GtkCTreeRow *)clist_row)->children &&
((GtkCTreeRow *)clist_row)->expanded)))
{
work2 = gtk_ctree_find_node_ptr
(ctree, (GtkCTreeRow *) clist_row);
if (GTK_CTREE_NODE_NEXT (work2))
next_level =
GTK_CTREE_ROW (GTK_CTREE_NODE_NEXT (work2))->level;
else
next_level = 0;
}
while (work)
{
xcenter += ctree->tree_indent;
if (GTK_CTREE_ROW(work)->row.bg_set)
{
gdk_gc_set_foreground
(clist->bg_gc,
&(GTK_CTREE_ROW (work)->row.background));
mbg_gc = clist->bg_gc;
}
else
mbg_gc = widget->style->bg_gc[GTK_STATE_PRELIGHT];
if (clist_row->state != GTK_STATE_SELECTED)
gdk_draw_rectangle (clist->clist_window,
mbg_gc, TRUE,
xcenter - ctree->tree_indent + 1,
rect->y,
ctree->tree_indent,
rect->height);
if (next_level > GTK_CTREE_ROW (work)->level)
gdk_draw_line
(clist->clist_window, ctree->lines_gc,
xcenter, rect->y,
xcenter, rect->y + rect->height);
else
{
gdk_draw_line (clist->clist_window, ctree->lines_gc,
xcenter, clip_rectangle.y,
xcenter, ycenter);
in = MIN (ctree->tree_indent, 2 * TAB_SIZE);
if (clist_row->state != GTK_STATE_SELECTED)
{
work2 = GTK_CTREE_ROW (work)->parent;
if (work2 && GTK_CTREE_ROW (work2)->row.bg_set)
{
gdk_gc_set_foreground
(clist->bg_gc,
&(GTK_CTREE_ROW (work2)->row.background));
gdk_draw_rectangle
(clist->clist_window, clist->bg_gc, TRUE,
xcenter + 1 - in / 2 - in % 2,
ycenter,
in / 2 + in % 2,
row_rectangle.height / 2 + 1);
if (GTK_CTREE_ROW (work)->row.bg_set)
gdk_gc_set_foreground
(clist->bg_gc,
&(GTK_CTREE_ROW(work)->row.background));
}
else
gdk_draw_rectangle
(clist->clist_window,
widget->style->bg_gc[GTK_STATE_PRELIGHT],
TRUE,
xcenter + 1 - in / 2 - in % 2,
ycenter,
in / 2 + in % 2,
row_rectangle.height / 2 + 1);
gdk_draw_arc (clist->clist_window, mbg_gc, TRUE,
xcenter - in, clip_rectangle.y,
in, clist->row_height,
270 * 64, 90 * 64);
}
gdk_draw_arc (clist->clist_window, ctree->lines_gc,
FALSE,
xcenter - in, clip_rectangle.y,
in, clist->row_height,
270 * 64, 90 * 64);
}
work = GTK_CTREE_ROW (work)->parent;
}
if (clist_row->state != GTK_STATE_SELECTED)
gdk_draw_rectangle
(clist->clist_window,
widget->style->bg_gc[GTK_STATE_PRELIGHT], TRUE,
xcenter + 1, row_rectangle.y,
TAB_SIZE, row_rectangle.height);
xcenter = xdest - (ctree->tree_indent / 2);
if (clist_row->bg_set)
gdk_gc_set_foreground
(clist->bg_gc, &clist_row->background);
if (((GtkCTreeRow *)clist_row)->is_leaf)
{
points[0].x = xdest - TAB_SIZE;
points[0].y = row_rectangle.y - 1;
points[1].x = points[0].x + 4;
points[1].y = points[0].y;
points[2].x = points[1].x + 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 - 2;
points[4].y = points[3].y + 3;
points[5].x = points[4].x - 4;
points[5].y = points[4].y;
if (clist_row->state != GTK_STATE_SELECTED)
gdk_draw_polygon (clist->clist_window, bg_gc, TRUE,
points, 6);
gdk_draw_lines (clist->clist_window, ctree->lines_gc,
points, 6);
}
else
{
if (clist_row->state != GTK_STATE_SELECTED)
gdk_draw_arc (clist->clist_window, bg_gc, TRUE,
xdest - 2 * TAB_SIZE,
row_rectangle.y - 1,
2 * TAB_SIZE, clist->row_height,
270 * 64, 180 * 64);
gdk_draw_arc (clist->clist_window, ctree->lines_gc,
FALSE,
xdest - 2 * TAB_SIZE,
row_rectangle.y - 1,
2 * TAB_SIZE, clist->row_height,
270 * 64, 180 * 64);
}
gdk_gc_set_clip_rectangle (ctree->lines_gc, NULL);
gdk_gc_set_clip_rectangle (clist->bg_gc, NULL);
gdk_gc_set_clip_rectangle
(widget->style->bg_gc[GTK_STATE_PRELIGHT], NULL);
break;
default:
xcenter = xdest - (ctree->tree_indent / 2);
if (ctree->line_style == GTK_CTREE_LINES_DOTTED)
{
offset_x += abs ((clip_rectangle.x + clist->hoffset) %
2);
offset_y = abs ((clip_rectangle.y + clist->voffset) % 2);
}
gdk_draw_line (clist->clist_window, ctree->lines_gc,
xcenter, clip_rectangle.y + offset_y,
xcenter,
(((GtkCTreeRow *)clist_row)->sibling) ?
rect->y + rect->height : ycenter);
gdk_draw_line (clist->clist_window, ctree->lines_gc,
xcenter - offset_x, ycenter,
xcenter - PM_SIZE / 2 - 2, ycenter);
work = ((GtkCTreeRow *)clist_row)->parent;
while (work)
{
xcenter += ctree->tree_indent;
if (GTK_CTREE_ROW (work)->sibling)
gdk_draw_line (clist->clist_window, ctree->lines_gc,
xcenter, clip_rectangle.y - offset_y,
xcenter, rect->y + rect->height);
work = GTK_CTREE_ROW (work)->parent;
}
gdk_gc_set_clip_rectangle (ctree->lines_gc, NULL);
}
if (((GtkCTreeRow *)clist_row)->children)
{
if (clist_row->state == GTK_STATE_SELECTED)
{
if (clist_row->fg_set)
tgc = clist->fg_gc;
else
tgc = widget->style->fg_gc[GTK_STATE_NORMAL];
cgc = tgc;
}
else
{
cgc =
GTK_WIDGET(clist)->style->fg_gc[GTK_STATE_SELECTED];
tgc = fg_gc;
}
gdk_gc_set_clip_rectangle (cgc, rect);
switch (ctree->line_style)
{
case GTK_CTREE_LINES_NONE:
if (!((GtkCTreeRow *)clist_row)->expanded)
{
points[0].x = xdest - xoffset - (PM_SIZE+2) / 6 - 2;
points[0].y = clip_rectangle.y + yoffset - 1;
points[1].x = points[0].x;
points[1].y = points[0].y + (PM_SIZE+2);
points[2].x = points[0].x - 2 * (PM_SIZE+2) / 3 + 1;
points[2].y = points[0].y + (PM_SIZE+2) / 2;
}
else
{
points[0].x = xdest - xoffset;
points[0].y = clip_rectangle.y + yoffset +
(PM_SIZE+2) / 6;
points[1].x = points[0].x - (PM_SIZE+2);
points[1].y = points[0].y;
points[2].x = points[0].x - (PM_SIZE+2) / 2;
points[2].y = clip_rectangle.y + yoffset +
2 * (PM_SIZE+2) / 3;
}
gdk_draw_polygon (clist->clist_window,
GTK_WIDGET (clist)->style->
fg_gc[GTK_STATE_SELECTED],
TRUE, points, 3);
gdk_draw_polygon (clist->clist_window, tgc, FALSE,
points, 3);
break;
case GTK_CTREE_LINES_TABBED:
xcenter = xdest - PM_SIZE - 2;
gdk_draw_arc (clist->clist_window,
GTK_WIDGET (clist)->style->
fg_gc[GTK_STATE_SELECTED],
TRUE,
xcenter - PM_SIZE/2,
ycenter - PM_SIZE/2,
PM_SIZE, PM_SIZE, 0, 360 * 64);
gdk_draw_line (clist->clist_window, tgc,
xcenter - 2,
ycenter,
xcenter + 2,
ycenter);
if (!((GtkCTreeRow *)clist_row)->expanded)
{
gdk_draw_line (clist->clist_window, tgc, xcenter,
clip_rectangle.y + yoffset + 2,
xcenter, clip_rectangle.y + yoffset
+ PM_SIZE - 2);
}
break;
default:
gdk_draw_rectangle (clist->clist_window,
GTK_WIDGET(clist)->style->
fg_gc[GTK_STATE_SELECTED], TRUE,
xdest - xoffset - PM_SIZE,
clip_rectangle.y + yoffset,
PM_SIZE, PM_SIZE);
gdk_draw_rectangle (clist->clist_window, tgc, FALSE,
xdest - xoffset - PM_SIZE,
clip_rectangle.y + yoffset,
PM_SIZE, PM_SIZE);
gdk_draw_line (clist->clist_window, tgc,
xdest - xoffset - 2, ycenter,
xdest - xoffset - PM_SIZE + 2, ycenter);
if (!((GtkCTreeRow *)clist_row)->expanded)
{
xcenter = xdest - (ctree->tree_indent / 2);
gdk_draw_line (clist->clist_window, tgc, xcenter,
clip_rectangle.y + yoffset + 2,
xcenter, clip_rectangle.y + yoffset
+ PM_SIZE - 2);
}
}
gdk_gc_set_clip_rectangle (cgc, NULL);
}
xdest -= (ctree->tree_indent + pixmap_width
+ clist_row->cell[i].horizontal);
if (pixmap_width && xdest + pixmap_width >= rect->x &&
xdest <= rect->x + rect->width)
draw_pixmap = TRUE;
break;
default :
break;
}
if (draw_pixmap)
{
if (GTK_CELL_PIXTEXT (clist_row->cell[i])->mask)
{
gdk_gc_set_clip_mask
(fg_gc, GTK_CELL_PIXTEXT (clist_row->cell[i])->mask);
gdk_gc_set_clip_origin (fg_gc, xdest, ydest);
}
if (xdest < clip_rectangle.x)
{
xsrc = clip_rectangle.x - xdest;
pixmap_width -= xsrc;
xdest = clip_rectangle.x;
}
if (xdest + pixmap_width >
clip_rectangle.x + clip_rectangle.width)
pixmap_width =
(clip_rectangle.x + clip_rectangle.width) - xdest;
if (ydest < clip_rectangle.y)
{
ysrc = clip_rectangle.y - ydest;
height -= ysrc;
ydest = clip_rectangle.y;
}
if (ydest + height > clip_rectangle.y + clip_rectangle.height)
height = (clip_rectangle.y + clip_rectangle.height) - ydest;
gdk_draw_pixmap (clist->clist_window, fg_gc,
GTK_CELL_PIXTEXT
(clist_row->cell[i])->pixmap,
xsrc, ysrc, xdest, ydest,
pixmap_width, height);
}
if (string_width)
{
gint delta;
if (clist->column[i].justification == GTK_JUSTIFY_RIGHT)
xdest -= (GTK_CELL_PIXTEXT (clist_row->cell[i])->spacing +
string_width);
else
xdest += (GTK_CELL_PIXTEXT (clist_row->cell[i])->spacing +
pixmap_width);
delta = CELL_SPACING - (rect->y - clip_rectangle.y);
if (delta > 0)
{
rect->y += delta;
rect->height -= delta;
}
gdk_gc_set_clip_rectangle (fg_gc, rect);
gdk_draw_string
(clist->clist_window, widget->style->font, fg_gc, xdest,
row_rectangle.y + clist->row_center_offset +
clist_row->cell[i].vertical,
GTK_CELL_PIXTEXT (clist_row->cell[i])->text);
}
gdk_gc_set_clip_rectangle (fg_gc, NULL);
}
else
{
switch (clist_row->cell[i].type)
{
case GTK_CELL_EMPTY:
continue;
break;
case GTK_CELL_TEXT:
gdk_gc_set_clip_rectangle (fg_gc, rect);
gdk_draw_string (clist->clist_window,
widget->style->font,
fg_gc,
offset + clist_row->cell[i].horizontal,
row_rectangle.y + clist->row_center_offset +
clist_row->cell[i].vertical,
GTK_CELL_TEXT (clist_row->cell[i])->text);
gdk_gc_set_clip_rectangle (fg_gc, NULL);
break;
case GTK_CELL_PIXMAP:
xsrc = 0;
ysrc = 0;
xdest = offset + clist_row->cell[i].horizontal;
ydest = (clip_rectangle.y + (clip_rectangle.height / 2))
- height / 2 + clist_row->cell[i].vertical;
if (GTK_CELL_PIXMAP (clist_row->cell[i])->mask)
{
gdk_gc_set_clip_mask (fg_gc, GTK_CELL_PIXMAP
(clist_row->cell[i])->mask);
gdk_gc_set_clip_origin (fg_gc, xdest, ydest);
}
if (xdest < clip_rectangle.x)
{
xsrc = clip_rectangle.x - xdest;
pixmap_width -= xsrc;
xdest = clip_rectangle.x;
}
if (xdest + pixmap_width >
clip_rectangle.x + clip_rectangle.width)
pixmap_width = (clip_rectangle.x + clip_rectangle.width) -
xdest;
if (ydest < clip_rectangle.y)
{
ysrc = clip_rectangle.y - ydest;
height -= ysrc;
ydest = clip_rectangle.y;
}
if (ydest + height > clip_rectangle.y + clip_rectangle.height)
height = (clip_rectangle.y + clip_rectangle.height) - ydest;
gdk_draw_pixmap (clist->clist_window, fg_gc,
GTK_CELL_PIXMAP (clist_row->cell[i])->pixmap,
xsrc, ysrc, xdest, ydest, pixmap_width, height);
if (GTK_CELL_PIXMAP (clist_row->cell[i])->mask)
{
gdk_gc_set_clip_origin (fg_gc, 0, 0);
gdk_gc_set_clip_mask (fg_gc, NULL);
}
break;
case GTK_CELL_PIXTEXT:
/* draw the pixmap */
xsrc = 0;
ysrc = 0;
xdest = offset + clist_row->cell[i].horizontal;
ydest = (clip_rectangle.y + (clip_rectangle.height / 2))
- height / 2 + clist_row->cell[i].vertical;
if (GTK_CELL_PIXTEXT (clist_row->cell[i])->mask)
{
gdk_gc_set_clip_mask (fg_gc, GTK_CELL_PIXTEXT
(clist_row->cell[i])->mask);
gdk_gc_set_clip_origin (fg_gc, xdest, ydest);
}
if (xdest < clip_rectangle.x)
{
xsrc = clip_rectangle.x - xdest;
pixmap_width -= xsrc;
xdest = clip_rectangle.x;
}
if (xdest + pixmap_width >
clip_rectangle.x + clip_rectangle.width)
pixmap_width = (clip_rectangle.x + clip_rectangle.width)
- xdest;
if (ydest < clip_rectangle.y)
{
ysrc = clip_rectangle.y - ydest;
height -= ysrc;
ydest = clip_rectangle.y;
}
if (ydest + height > clip_rectangle.y + clip_rectangle.height)
height = (clip_rectangle.y + clip_rectangle.height) - ydest;
gdk_draw_pixmap (clist->clist_window, fg_gc,
GTK_CELL_PIXTEXT (clist_row->cell[i])->pixmap,
xsrc, ysrc, xdest, ydest, pixmap_width, height);
gdk_gc_set_clip_origin (fg_gc, 0, 0);
xdest += pixmap_width + GTK_CELL_PIXTEXT
(clist_row->cell[i])->spacing;
/* draw the string */
gdk_gc_set_clip_rectangle (fg_gc, rect);
gdk_draw_string (clist->clist_window, widget->style->font, fg_gc,
xdest,
row_rectangle.y + clist->row_center_offset +
clist_row->cell[i].vertical,
GTK_CELL_PIXTEXT (clist_row->cell[i])->text);
gdk_gc_set_clip_rectangle (fg_gc, NULL);
break;
case GTK_CELL_WIDGET:
/* unimplemented */
continue;
break;
default:
continue;
break;
}
}
}
if (clist->focus_row == row && GTK_WIDGET_HAS_FOCUS (widget))
{
if (area)
{
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);
}
}
else
gdk_draw_rectangle (clist->clist_window, clist->xor_gc, FALSE,
row_rectangle.x, row_rectangle.y,
row_rectangle.width - 1, row_rectangle.height - 1);
}
}
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;
GtkCTreeNode *list_end;
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 = node; GTK_CTREE_NODE_NEXT (list_end);
list_end = GTK_CTREE_NODE_NEXT (list_end))
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 (sibling)
{
GtkCTreeNode *work;
if (parent)
work = GTK_CTREE_ROW (parent)->children;
else
work = GTK_CTREE_NODE (clist->row_list);
if (work != sibling)
{
while (GTK_CTREE_ROW (work)->sibling != sibling)
work = GTK_CTREE_ROW (work)->sibling;
GTK_CTREE_ROW (work)->sibling = node;
}
if (sibling == 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)
GTK_CTREE_NODE_NEXT (GTK_CTREE_NODE_PREV (sibling)) = node;
GTK_CTREE_NODE_PREV (node) = GTK_CTREE_NODE_PREV (sibling);
GTK_CTREE_NODE_NEXT (list_end) = sibling;
GTK_CTREE_NODE_PREV (sibling) = list_end;
if (parent && GTK_CTREE_ROW (parent)->children == sibling)
GTK_CTREE_ROW (parent)->children = node;
}
else
{
GtkCTreeNode *work;
if (parent)
work = GTK_CTREE_ROW (parent)->children;
else
work = GTK_CTREE_NODE (clist->row_list);
if (work)
{
/* find sibling */
while (GTK_CTREE_ROW (work)->sibling)
work = GTK_CTREE_ROW (work)->sibling;
GTK_CTREE_ROW (work)->sibling = node;
/* find last visible child of sibling */
work = gtk_ctree_last_visible (ctree, work);
GTK_CTREE_NODE_NEXT (list_end) = GTK_CTREE_NODE_NEXT (work);
if (GTK_CTREE_NODE_NEXT (work))
GTK_CTREE_NODE_PREV (GTK_CTREE_NODE_NEXT (work)) = list_end;
GTK_CTREE_NODE_NEXT (work) = node;
GTK_CTREE_NODE_PREV (node) = work;
}
else
{
if (parent)
{
GTK_CTREE_ROW (parent)->children = node;
GTK_CTREE_NODE_PREV (node) = parent;
if (GTK_CTREE_ROW (parent)->expanded)
{
GTK_CTREE_NODE_NEXT (list_end)= GTK_CTREE_NODE_NEXT (parent);
if (GTK_CTREE_NODE_NEXT(parent))
GTK_CTREE_NODE_PREV (GTK_CTREE_NODE_NEXT (parent)) =
list_end;
GTK_CTREE_NODE_NEXT (parent) = node;
}
else
GTK_CTREE_NODE_NEXT (list_end) = NULL;
}
else
{
clist->row_list = (GList *)node;
GTK_CTREE_NODE_PREV (node) = NULL;
GTK_CTREE_NODE_NEXT (list_end) = NULL;
}
}
}
gtk_ctree_pre_recursive (ctree, node, tree_update_level, NULL);
if (clist->row_list_end == NULL ||
clist->row_list_end->next == (GList *)node)
GTK_CTREE_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;
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 + 1 < clist->focus_row)
clist->focus_row -= (rows + 1);
else if (pos <= clist->focus_row)
clist->focus_row = pos - 1;
clist->undo_anchor = clist->focus_row;
}
}
if (work)
{
GTK_CTREE_NODE_NEXT (GTK_CTREE_NODE_PREV (work)) = NULL;
GTK_CTREE_NODE_PREV (work) = GTK_CTREE_NODE_PREV (node);
}
if (GTK_CTREE_NODE_PREV (node) &&
GTK_CTREE_NODE_NEXT (GTK_CTREE_NODE_PREV (node)) == node)
GTK_CTREE_NODE_NEXT (GTK_CTREE_NODE_PREV (node)) = 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;
g_return_if_fail (ctree != NULL);
g_return_if_fail (node != NULL);
g_return_if_fail (!new_sibling ||
GTK_CTREE_ROW (new_sibling)->parent == new_parent);
if (new_parent && GTK_CTREE_ROW (new_parent)->is_leaf)
return;
/* new_parent != child of child */
for (work = new_parent; work; work = GTK_CTREE_ROW (work)->parent)
if (work == node)
return;
clist = GTK_CLIST (ctree);
if (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 (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;
gint level;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
if (!node || GTK_CTREE_ROW (node)->expanded)
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;
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;
}
}
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)
{
gint tmp = 0;
gint row;
while (GTK_CTREE_NODE_NEXT (work))
{
work = GTK_CTREE_NODE_NEXT (work);
tmp++;
}
GTK_CTREE_NODE_NEXT (work) = GTK_CTREE_NODE_NEXT (node);
if (GTK_CTREE_NODE_NEXT (node))
GTK_CTREE_NODE_PREV (GTK_CTREE_NODE_NEXT (node)) = work;
else
clist->row_list_end = (GList *)work;
GTK_CTREE_NODE_NEXT (node) = GTK_CTREE_ROW (node)->children;
if (gtk_ctree_is_viewable (ctree, node))
{
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);
}
}
}
static void
real_tree_collapse (GtkCTree *ctree,
GtkCTreeNode *node)
{
GtkCList *clist;
GtkCTreeNode *work;
gint level;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
if (!node || !GTK_CTREE_ROW (node)->expanded)
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;
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;
}
}
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;
while (work && GTK_CTREE_ROW (work)->level > level)
{
work = GTK_CTREE_NODE_NEXT (work);
tmp++;
}
if (work)
{
GTK_CTREE_NODE_NEXT (node) = work;
GTK_CTREE_NODE_NEXT (GTK_CTREE_NODE_PREV (work)) = NULL;
GTK_CTREE_NODE_PREV (work) = node;
}
else
{
GTK_CTREE_NODE_NEXT (node) = NULL;
clist->row_list_end = (GList *)node;
}
if (gtk_ctree_is_viewable (ctree, node))
{
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);
}
}
}
static void
set_cell_contents (GtkCList *clist,
GtkCListRow *clist_row,
gint column,
GtkCellType type,
const gchar *text,
guint8 spacing,
GdkPixmap *pixmap,
GdkBitmap *mask)
{
GtkCTree *ctree;
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);
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;
}
}
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_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;
}
GTK_CELL_PIXTEXT (ctree_row->row.cell[ctree->tree_column])->text = NULL;
ctree_row->row.fg_set = FALSE;
ctree_row->row.bg_set = FALSE;
ctree_row->row.state = GTK_STATE_NORMAL;
ctree_row->row.data = NULL;
ctree_row->row.destroy = NULL;
ctree_row->level = 0;
ctree_row->expanded = FALSE;
ctree_row->parent = NULL;
ctree_row->sibling = NULL;
ctree_row->children = NULL;
ctree_row->pixmap_closed = NULL;
ctree_row->mask_closed = NULL;
ctree_row->pixmap_opened = NULL;
ctree_row->mask_opened = NULL;
return ctree_row;
}
static void
row_delete (GtkCTree *ctree,
GtkCTreeRow *ctree_row)
{
GtkCList *clist;
gint i;
clist = GTK_CLIST (ctree);
for (i = 0; i < clist->columns; i++)
GTK_CLIST_CLASS_FW (clist)->set_cell_contents
(clist, &(ctree_row->row), i, GTK_CELL_EMPTY, NULL, 0, NULL, NULL);
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_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)
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_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_SELECT_ROW],
node, column);
break;
case GTK_SELECTION_BROWSE:
if (node && GTK_CTREE_ROW (node)->row.state == GTK_STATE_NORMAL)
gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_SELECT_ROW],
node, column);
break;
case GTK_SELECTION_EXTENDED:
break;
}
}
static void
select_row_recursive (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data)
{
if (!node || GTK_CTREE_ROW (node)->row.state == GTK_STATE_SELECTED)
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);
tree_row = GTK_CTREE_ROW (node);
clist = GTK_CLIST (ctree);
cell = GTK_CELL_PIXTEXT(tree_row->row.cell[ctree->tree_column]);
yu = ROW_TOP_YPIXEL (clist, row) + (clist->row_height - PM_SIZE) / 2;
if (clist->column[ctree->tree_column].justification == GTK_JUSTIFY_RIGHT)
{
xl = clist->column[ctree->tree_column].area.x
+ clist->column[ctree->tree_column].area.width + clist->hoffset
/*+ cell->horizontal +*/
- (tree_row->level - 1) * ctree->tree_indent
- PM_SIZE - 1 -
(ctree->line_style == GTK_CTREE_LINES_TABBED) * ((PM_SIZE / 2) + 1);
}
else
{
xl = clist->column[ctree->tree_column].area.x + clist->hoffset
+ cell->horizontal + (tree_row->level - 1) * ctree->tree_indent +
(ctree->line_style == GTK_CTREE_LINES_TABBED) * ((PM_SIZE / 2) + 2);
}
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 (!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;
GtkCTreeRow *new_row;
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;
new_row = row_new (ctree);
cnode = GTK_CTREE_NODE (g_list_alloc ());
GTK_CTREE_ROW (cnode) = new_row;
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)
{
gtk_ctree_unlink (ctree, node, TRUE);
gtk_ctree_post_recursive (ctree, node, GTK_CTREE_FUNC (tree_delete),
NULL);
}
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 the rows */
work = GTK_CTREE_NODE (clist->row_list);
clist->row_list = NULL;
clist->row_list_end = NULL;
while (work)
{
ptr = work;
work = GTK_CTREE_ROW (work)->sibling;
gtk_ctree_post_recursive (ctree, ptr, GTK_CTREE_FUNC (tree_delete_row),
NULL);
}
(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;
}
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;
}
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;
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_collapse), NULL);
if (thaw)
gtk_clist_thaw (clist);
}
void
gtk_ctree_collapse_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));
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_to_depth (ctree, node, depth,
GTK_CTREE_FUNC (tree_collapse_to_depth),
GINT_TO_POINTER (depth));
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);
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)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
g_return_if_fail (node != NULL);
if (column < 0 || column >= GTK_CLIST (ctree)->columns)
return;
GTK_CTREE_ROW (node)->row.cell[column].vertical = vertical;
GTK_CTREE_ROW (node)->row.cell[column].horizontal = horizontal;
tree_draw_node (ctree, node);
}
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_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;
}
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;
}
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)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
g_return_if_fail (indent >= 0);
if (indent != ctree->tree_indent)
{
ctree->tree_indent = indent;
if (!GTK_CLIST_FROZEN (ctree))
gtk_clist_thaw (GTK_CLIST (ctree));
}
}
void
gtk_ctree_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));
reorderable = reorderable != FALSE;
if (ctree->reorderable == reorderable)
return;
ctree->reorderable = reorderable;
if (GTK_WIDGET_REALIZED (ctree))
{
if (ctree->reorderable)
create_xor_gc (ctree);
else
gdk_gc_destroy (ctree->xor_gc);
}
}
void
gtk_ctree_set_use_drag_icons (GtkCTree *ctree,
gboolean use_icons)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
if (ctree->use_icons == (use_icons != 0))
return;
ctree->use_icons = (use_icons != 0);
}
void
gtk_ctree_set_line_style (GtkCTree *ctree,
GtkCTreeLineStyle line_style)
{
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
if (line_style != ctree->line_style)
{
ctree->line_style = line_style;
if (!GTK_WIDGET_REALIZED (ctree))
return;
switch (line_style)
{
case GTK_CTREE_LINES_SOLID:
if (GTK_WIDGET_REALIZED (ctree))
gdk_gc_set_line_attributes (ctree->lines_gc, 1, GDK_LINE_SOLID,
None, None);
break;
case GTK_CTREE_LINES_DOTTED:
if (GTK_WIDGET_REALIZED (ctree))
gdk_gc_set_line_attributes (ctree->lines_gc, 1,
GDK_LINE_ON_OFF_DASH, None, None);
gdk_gc_set_dashes (ctree->lines_gc, 0, "\1\1", 2);
break;
case GTK_CTREE_LINES_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));
}
}
/***********************************************************
* 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.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.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 (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)
gtk_ctree_select (ctree, GTK_CTREE_NODE (work->data));
for (work = clist->undo_unselection; work; work = work->next)
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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