forked from AuroraMiddleware/gtk
467e0fcb24
Wed Jan 13 22:34:29 1999 Owen Taylor <otaylor@redhat.com> * gtk/gtkbutton.c gtk/gtkclist.c gtk/gtkhandlebox.c gtk/gtkframe.c gtk/gtk[hv]box.c gtk[hv]paned.c gtk/gtklist.c gtkmenu.c gtkmenuitem.c gtkmenubar.c gtknotebook.c gtk/gtkscrolledwindow.c gtk/gtktable.c gtk/gtktree.c gtk/gtktreeeitem.c gtk/gtkviewport.c Fix up comparisons of signed and unsigned ints to avoid assigning negative widths/heigths.
1069 lines
29 KiB
C
1069 lines
29 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "gtklabel.h"
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#include "gtktree.h"
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#include "gtktreeitem.h"
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#include "gtkeventbox.h"
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#include "gtkpixmap.h"
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#include "gtkmain.h"
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#include "gtksignal.h"
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#include "tree_plus.xpm"
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#include "tree_minus.xpm"
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#define DEFAULT_DELTA 9
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enum {
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COLLAPSE_TREE,
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EXPAND_TREE,
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LAST_SIGNAL
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};
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typedef struct _GtkTreePixmaps GtkTreePixmaps;
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struct _GtkTreePixmaps {
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gint refcount;
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GdkColormap *colormap;
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GdkPixmap *pixmap_plus;
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GdkPixmap *pixmap_minus;
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GdkBitmap *mask_plus;
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GdkBitmap *mask_minus;
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};
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static GList *pixmaps = NULL;
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static void gtk_tree_item_class_init (GtkTreeItemClass *klass);
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static void gtk_tree_item_init (GtkTreeItem *tree_item);
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static void gtk_tree_item_realize (GtkWidget *widget);
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static void gtk_tree_item_size_request (GtkWidget *widget,
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GtkRequisition *requisition);
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static void gtk_tree_item_size_allocate (GtkWidget *widget,
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GtkAllocation *allocation);
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static void gtk_tree_item_draw (GtkWidget *widget,
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GdkRectangle *area);
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static void gtk_tree_item_draw_focus (GtkWidget *widget);
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static gint gtk_tree_item_button_press (GtkWidget *widget,
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GdkEventButton *event);
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static gint gtk_tree_item_expose (GtkWidget *widget,
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GdkEventExpose *event);
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static gint gtk_tree_item_focus_in (GtkWidget *widget,
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GdkEventFocus *event);
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static gint gtk_tree_item_focus_out (GtkWidget *widget,
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GdkEventFocus *event);
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static void gtk_tree_item_forall (GtkContainer *container,
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gboolean include_internals,
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GtkCallback callback,
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gpointer callback_data);
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static void gtk_real_tree_item_select (GtkItem *item);
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static void gtk_real_tree_item_deselect (GtkItem *item);
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static void gtk_real_tree_item_toggle (GtkItem *item);
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static void gtk_real_tree_item_expand (GtkTreeItem *item);
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static void gtk_real_tree_item_collapse (GtkTreeItem *item);
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static void gtk_real_tree_item_expand (GtkTreeItem *item);
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static void gtk_real_tree_item_collapse (GtkTreeItem *item);
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static void gtk_tree_item_destroy (GtkObject *object);
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static void gtk_tree_item_subtree_button_click (GtkWidget *widget);
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static void gtk_tree_item_subtree_button_changed_state (GtkWidget *widget);
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static void gtk_tree_item_map(GtkWidget*);
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static void gtk_tree_item_unmap(GtkWidget*);
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static void gtk_tree_item_add_pixmaps (GtkTreeItem *tree_item);
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static void gtk_tree_item_remove_pixmaps (GtkTreeItem *tree_item);
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static GtkItemClass *parent_class = NULL;
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static guint tree_item_signals[LAST_SIGNAL] = { 0 };
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GtkType
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gtk_tree_item_get_type (void)
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{
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static GtkType tree_item_type = 0;
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if (!tree_item_type)
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{
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static const GtkTypeInfo tree_item_info =
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{
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"GtkTreeItem",
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sizeof (GtkTreeItem),
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sizeof (GtkTreeItemClass),
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(GtkClassInitFunc) gtk_tree_item_class_init,
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(GtkObjectInitFunc) gtk_tree_item_init,
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/* reserved_1 */ NULL,
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/* reserved_2 */ NULL,
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(GtkClassInitFunc) NULL,
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};
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tree_item_type = gtk_type_unique (gtk_item_get_type (), &tree_item_info);
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}
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return tree_item_type;
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}
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static void
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gtk_tree_item_class_init (GtkTreeItemClass *class)
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{
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GtkObjectClass *object_class;
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GtkWidgetClass *widget_class;
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GtkContainerClass *container_class;
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GtkItemClass *item_class;
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object_class = (GtkObjectClass*) class;
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widget_class = (GtkWidgetClass*) class;
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item_class = (GtkItemClass*) class;
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container_class = (GtkContainerClass*) class;
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parent_class = gtk_type_class (gtk_item_get_type ());
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tree_item_signals[EXPAND_TREE] =
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gtk_signal_new ("expand",
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GTK_RUN_FIRST,
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object_class->type,
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GTK_SIGNAL_OFFSET (GtkTreeItemClass, expand),
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gtk_marshal_NONE__NONE,
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GTK_TYPE_NONE, 0);
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tree_item_signals[COLLAPSE_TREE] =
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gtk_signal_new ("collapse",
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GTK_RUN_FIRST,
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object_class->type,
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GTK_SIGNAL_OFFSET (GtkTreeItemClass, collapse),
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gtk_marshal_NONE__NONE,
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GTK_TYPE_NONE, 0);
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gtk_object_class_add_signals (object_class, tree_item_signals, LAST_SIGNAL);
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object_class->destroy = gtk_tree_item_destroy;
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widget_class->realize = gtk_tree_item_realize;
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widget_class->size_request = gtk_tree_item_size_request;
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widget_class->size_allocate = gtk_tree_item_size_allocate;
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widget_class->draw = gtk_tree_item_draw;
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widget_class->draw_focus = gtk_tree_item_draw_focus;
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widget_class->button_press_event = gtk_tree_item_button_press;
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widget_class->expose_event = gtk_tree_item_expose;
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widget_class->focus_in_event = gtk_tree_item_focus_in;
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widget_class->focus_out_event = gtk_tree_item_focus_out;
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widget_class->map = gtk_tree_item_map;
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widget_class->unmap = gtk_tree_item_unmap;
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container_class->forall = gtk_tree_item_forall;
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item_class->select = gtk_real_tree_item_select;
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item_class->deselect = gtk_real_tree_item_deselect;
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item_class->toggle = gtk_real_tree_item_toggle;
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class->expand = gtk_real_tree_item_expand;
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class->collapse = gtk_real_tree_item_collapse;
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}
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/* callback for event box mouse event */
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static void
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gtk_tree_item_subtree_button_click (GtkWidget *widget)
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{
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GtkTreeItem* item;
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g_return_if_fail (widget != NULL);
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g_return_if_fail (GTK_IS_EVENT_BOX (widget));
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item = (GtkTreeItem*) gtk_object_get_user_data (GTK_OBJECT (widget));
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if (!GTK_WIDGET_IS_SENSITIVE (item))
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return;
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if (item->expanded)
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gtk_tree_item_collapse (item);
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else
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gtk_tree_item_expand (item);
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}
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/* callback for event box state changed */
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static void
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gtk_tree_item_subtree_button_changed_state (GtkWidget *widget)
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{
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g_return_if_fail (widget != NULL);
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g_return_if_fail (GTK_IS_EVENT_BOX (widget));
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if (GTK_WIDGET_VISIBLE (widget))
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{
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if (widget->state == GTK_STATE_NORMAL)
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gdk_window_set_background (widget->window, &widget->style->base[widget->state]);
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else
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gdk_window_set_background (widget->window, &widget->style->bg[widget->state]);
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if (GTK_WIDGET_DRAWABLE (widget))
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gdk_window_clear_area (widget->window, 0, 0,
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widget->allocation.width, widget->allocation.height);
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}
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}
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static void
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gtk_tree_item_init (GtkTreeItem *tree_item)
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{
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GtkWidget *eventbox, *pixmapwid;
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g_return_if_fail (tree_item != NULL);
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g_return_if_fail (GTK_IS_TREE_ITEM (tree_item));
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tree_item->expanded = FALSE;
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tree_item->subtree = NULL;
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GTK_WIDGET_SET_FLAGS (tree_item, GTK_CAN_FOCUS);
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/* create an event box containing one pixmaps */
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eventbox = gtk_event_box_new();
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gtk_widget_set_events (eventbox, GDK_BUTTON_PRESS_MASK);
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gtk_signal_connect(GTK_OBJECT(eventbox), "state_changed",
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(GtkSignalFunc)gtk_tree_item_subtree_button_changed_state,
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(gpointer)NULL);
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gtk_signal_connect(GTK_OBJECT(eventbox), "realize",
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(GtkSignalFunc)gtk_tree_item_subtree_button_changed_state,
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(gpointer)NULL);
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gtk_signal_connect(GTK_OBJECT(eventbox), "button_press_event",
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(GtkSignalFunc)gtk_tree_item_subtree_button_click,
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(gpointer)NULL);
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gtk_object_set_user_data(GTK_OBJECT(eventbox), tree_item);
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tree_item->pixmaps_box = eventbox;
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/* create pixmap for button '+' */
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pixmapwid = gtk_type_new (gtk_pixmap_get_type ());
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if (!tree_item->expanded)
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gtk_container_add (GTK_CONTAINER (eventbox), pixmapwid);
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gtk_widget_show (pixmapwid);
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tree_item->plus_pix_widget = pixmapwid;
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gtk_widget_ref (tree_item->plus_pix_widget);
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gtk_object_sink (GTK_OBJECT (tree_item->plus_pix_widget));
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/* create pixmap for button '-' */
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pixmapwid = gtk_type_new (gtk_pixmap_get_type ());
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if (tree_item->expanded)
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gtk_container_add (GTK_CONTAINER (eventbox), pixmapwid);
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gtk_widget_show (pixmapwid);
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tree_item->minus_pix_widget = pixmapwid;
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gtk_widget_ref (tree_item->minus_pix_widget);
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gtk_object_sink (GTK_OBJECT (tree_item->minus_pix_widget));
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gtk_widget_set_parent (eventbox, GTK_WIDGET (tree_item));
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}
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GtkWidget*
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gtk_tree_item_new (void)
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{
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GtkWidget *tree_item;
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tree_item = GTK_WIDGET (gtk_type_new (gtk_tree_item_get_type ()));
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return tree_item;
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}
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GtkWidget*
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gtk_tree_item_new_with_label (gchar *label)
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{
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GtkWidget *tree_item;
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GtkWidget *label_widget;
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tree_item = gtk_tree_item_new ();
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label_widget = gtk_label_new (label);
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gtk_misc_set_alignment (GTK_MISC (label_widget), 0.0, 0.5);
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gtk_container_add (GTK_CONTAINER (tree_item), label_widget);
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gtk_widget_show (label_widget);
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return tree_item;
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}
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void
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gtk_tree_item_set_subtree (GtkTreeItem *tree_item,
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GtkWidget *subtree)
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{
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g_return_if_fail (tree_item != NULL);
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g_return_if_fail (GTK_IS_TREE_ITEM (tree_item));
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g_return_if_fail (subtree != NULL);
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g_return_if_fail (GTK_IS_TREE (subtree));
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if(tree_item->subtree) {
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g_warning("there is already a subtree for this tree item\n");
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return;
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}
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tree_item->subtree = subtree;
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GTK_TREE(subtree)->tree_owner = GTK_WIDGET(tree_item);
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/* show subtree button */
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if (tree_item->pixmaps_box)
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gtk_widget_show (tree_item->pixmaps_box);
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/* set parent widget */
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gtk_widget_set_parent(subtree, GTK_WIDGET(tree_item)->parent);
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if(GTK_WIDGET_VISIBLE(GTK_WIDGET(tree_item)))
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{
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if(GTK_WIDGET_REALIZED (GTK_WIDGET(tree_item)) &&
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!GTK_WIDGET_REALIZED (GTK_WIDGET(subtree)))
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gtk_widget_realize (GTK_WIDGET(subtree));
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if(GTK_WIDGET_MAPPED (GTK_WIDGET(tree_item)) &&
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!GTK_WIDGET_MAPPED (GTK_WIDGET(subtree)))
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gtk_widget_map (GTK_WIDGET(subtree));
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}
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if (tree_item->expanded)
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gtk_widget_show(subtree);
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else
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gtk_widget_hide(subtree);
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if (GTK_WIDGET_VISIBLE (tree_item) && GTK_WIDGET_VISIBLE (tree_item))
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gtk_widget_queue_resize (GTK_WIDGET(tree_item));
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}
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void
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gtk_tree_item_select (GtkTreeItem *tree_item)
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{
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g_return_if_fail (tree_item != NULL);
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g_return_if_fail (GTK_IS_TREE_ITEM (tree_item));
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gtk_item_select (GTK_ITEM (tree_item));
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}
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void
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gtk_tree_item_deselect (GtkTreeItem *tree_item)
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{
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g_return_if_fail (tree_item != NULL);
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g_return_if_fail (GTK_IS_TREE_ITEM (tree_item));
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gtk_item_deselect (GTK_ITEM (tree_item));
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}
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void
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gtk_tree_item_expand (GtkTreeItem *tree_item)
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{
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g_return_if_fail (tree_item != NULL);
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g_return_if_fail (GTK_IS_TREE_ITEM (tree_item));
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gtk_signal_emit (GTK_OBJECT (tree_item), tree_item_signals[EXPAND_TREE], NULL);
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}
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void
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gtk_tree_item_collapse (GtkTreeItem *tree_item)
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{
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g_return_if_fail (tree_item != NULL);
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g_return_if_fail (GTK_IS_TREE_ITEM (tree_item));
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gtk_signal_emit (GTK_OBJECT (tree_item), tree_item_signals[COLLAPSE_TREE], NULL);
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}
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static void
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gtk_tree_item_add_pixmaps (GtkTreeItem *tree_item)
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{
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GList *tmp_list;
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GdkColormap *colormap;
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GtkTreePixmaps *pixmap_node = NULL;
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g_return_if_fail (tree_item != NULL);
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g_return_if_fail (GTK_IS_TREE_ITEM (tree_item));
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if (tree_item->pixmaps)
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return;
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colormap = gtk_widget_get_colormap (GTK_WIDGET (tree_item));
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tmp_list = pixmaps;
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while (tmp_list)
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{
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pixmap_node = (GtkTreePixmaps *)tmp_list->data;
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if (pixmap_node->colormap == colormap)
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break;
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tmp_list = tmp_list->next;
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}
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if (tmp_list)
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{
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pixmap_node->refcount++;
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tree_item->pixmaps = tmp_list;
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}
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else
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{
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pixmap_node = g_new (GtkTreePixmaps, 1);
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pixmap_node->colormap = colormap;
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gdk_colormap_ref (colormap);
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pixmap_node->refcount = 1;
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/* create pixmaps for plus icon */
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pixmap_node->pixmap_plus =
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gdk_pixmap_create_from_xpm_d (GTK_WIDGET (tree_item)->window,
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&pixmap_node->mask_plus,
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NULL,
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tree_plus);
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/* create pixmaps for minus icon */
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pixmap_node->pixmap_minus =
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gdk_pixmap_create_from_xpm_d (GTK_WIDGET (tree_item)->window,
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&pixmap_node->mask_minus,
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NULL,
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tree_minus);
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tree_item->pixmaps = pixmaps = g_list_prepend (pixmaps, pixmap_node);
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}
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gtk_pixmap_set (GTK_PIXMAP (tree_item->plus_pix_widget),
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pixmap_node->pixmap_plus, pixmap_node->mask_plus);
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gtk_pixmap_set (GTK_PIXMAP (tree_item->minus_pix_widget),
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pixmap_node->pixmap_minus, pixmap_node->mask_minus);
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}
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static void
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gtk_tree_item_remove_pixmaps (GtkTreeItem *tree_item)
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{
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g_return_if_fail (tree_item != NULL);
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g_return_if_fail (GTK_IS_TREE_ITEM (tree_item));
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if (tree_item->pixmaps)
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{
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GtkTreePixmaps *pixmap_node = (GtkTreePixmaps *)tree_item->pixmaps->data;
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g_assert (pixmap_node->refcount > 0);
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if (--pixmap_node->refcount == 0)
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{
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gdk_colormap_unref (pixmap_node->colormap);
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gdk_pixmap_unref (pixmap_node->pixmap_plus);
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gdk_bitmap_unref (pixmap_node->mask_plus);
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gdk_pixmap_unref (pixmap_node->pixmap_minus);
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gdk_bitmap_unref (pixmap_node->mask_minus);
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pixmaps = g_list_remove_link (pixmaps, tree_item->pixmaps);
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g_list_free_1 (tree_item->pixmaps);
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g_free (pixmap_node);
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}
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tree_item->pixmaps = NULL;
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}
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}
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static void
|
|
gtk_tree_item_realize (GtkWidget *widget)
|
|
{
|
|
g_return_if_fail (widget != NULL);
|
|
g_return_if_fail (GTK_IS_TREE_ITEM (widget));
|
|
|
|
if (GTK_WIDGET_CLASS (parent_class)->realize)
|
|
(* GTK_WIDGET_CLASS (parent_class)->realize) (widget);
|
|
|
|
gdk_window_set_background (widget->window,
|
|
&widget->style->base[GTK_STATE_NORMAL]);
|
|
|
|
gtk_tree_item_add_pixmaps (GTK_TREE_ITEM (widget));
|
|
}
|
|
|
|
static void
|
|
gtk_tree_item_size_request (GtkWidget *widget,
|
|
GtkRequisition *requisition)
|
|
{
|
|
GtkBin *bin;
|
|
GtkTreeItem* item;
|
|
|
|
g_return_if_fail (widget != NULL);
|
|
g_return_if_fail (GTK_IS_TREE_ITEM (widget));
|
|
g_return_if_fail (requisition != NULL);
|
|
|
|
bin = GTK_BIN (widget);
|
|
item = GTK_TREE_ITEM(widget);
|
|
|
|
requisition->width = (GTK_CONTAINER (widget)->border_width +
|
|
widget->style->klass->xthickness) * 2;
|
|
requisition->height = GTK_CONTAINER (widget)->border_width * 2;
|
|
|
|
if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
|
|
{
|
|
gtk_widget_size_request (bin->child, &bin->child->requisition);
|
|
|
|
requisition->width += bin->child->requisition.width;
|
|
|
|
gtk_widget_size_request (item->pixmaps_box,
|
|
&item->pixmaps_box->requisition);
|
|
requisition->width += item->pixmaps_box->requisition.width + DEFAULT_DELTA +
|
|
GTK_TREE(widget->parent)->current_indent;
|
|
|
|
requisition->height += MAX (bin->child->requisition.height,
|
|
item->pixmaps_box->requisition.height);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_tree_item_size_allocate (GtkWidget *widget,
|
|
GtkAllocation *allocation)
|
|
{
|
|
GtkBin *bin;
|
|
GtkTreeItem* item;
|
|
GtkAllocation child_allocation;
|
|
guint border_width;
|
|
int temp;
|
|
|
|
g_return_if_fail (widget != NULL);
|
|
g_return_if_fail (GTK_IS_TREE_ITEM (widget));
|
|
g_return_if_fail (allocation != NULL);
|
|
|
|
widget->allocation = *allocation;
|
|
if (GTK_WIDGET_REALIZED (widget))
|
|
gdk_window_move_resize (widget->window,
|
|
allocation->x, allocation->y,
|
|
allocation->width, allocation->height);
|
|
|
|
bin = GTK_BIN (widget);
|
|
item = GTK_TREE_ITEM(widget);
|
|
|
|
if (bin->child)
|
|
{
|
|
border_width = (GTK_CONTAINER (widget)->border_width +
|
|
widget->style->klass->xthickness);
|
|
|
|
child_allocation.x = border_width + GTK_TREE(widget->parent)->current_indent;
|
|
child_allocation.y = GTK_CONTAINER (widget)->border_width;
|
|
|
|
child_allocation.width = item->pixmaps_box->requisition.width;
|
|
child_allocation.height = item->pixmaps_box->requisition.height;
|
|
|
|
temp = allocation->height - child_allocation.height;
|
|
child_allocation.y += ( temp / 2 ) + ( temp % 2 );
|
|
|
|
gtk_widget_size_allocate (item->pixmaps_box, &child_allocation);
|
|
|
|
child_allocation.y = GTK_CONTAINER (widget)->border_width;
|
|
child_allocation.height = MAX (1, (gint)allocation->height - child_allocation.y * 2);
|
|
child_allocation.x += item->pixmaps_box->requisition.width+DEFAULT_DELTA;
|
|
|
|
child_allocation.width =
|
|
MAX (1, (gint)allocation->width - ((gint)child_allocation.x + border_width));
|
|
|
|
gtk_widget_size_allocate (bin->child, &child_allocation);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_tree_item_draw_lines (GtkWidget *widget)
|
|
{
|
|
GtkTreeItem* item;
|
|
GtkTree* tree;
|
|
guint lx1, ly1, lx2, ly2;
|
|
|
|
g_return_if_fail (widget != NULL);
|
|
g_return_if_fail (GTK_IS_TREE_ITEM (widget));
|
|
|
|
item = GTK_TREE_ITEM(widget);
|
|
tree = GTK_TREE(widget->parent);
|
|
|
|
/* draw vertical line */
|
|
lx1 = item->pixmaps_box->allocation.width;
|
|
lx1 = lx2 = ((lx1 / 2) + (lx1 % 2) +
|
|
GTK_CONTAINER (widget)->border_width + 1 + tree->current_indent);
|
|
ly1 = 0;
|
|
ly2 = widget->allocation.height;
|
|
|
|
if (g_list_last (tree->children)->data == widget)
|
|
ly2 = (ly2 / 2) + (ly2 % 2);
|
|
|
|
if (tree != tree->root_tree)
|
|
gdk_draw_line (widget->window, widget->style->black_gc, lx1, ly1, lx2, ly2);
|
|
|
|
/* draw vertical line for subtree connecting */
|
|
if(g_list_last(tree->children)->data != (gpointer)widget)
|
|
ly2 = (ly2 / 2) + (ly2 % 2);
|
|
|
|
lx2 += DEFAULT_DELTA;
|
|
|
|
if (item->subtree && item->expanded)
|
|
gdk_draw_line (widget->window, widget->style->black_gc,
|
|
lx2, ly2, lx2, widget->allocation.height);
|
|
|
|
/* draw horizontal line */
|
|
ly1 = ly2;
|
|
lx2 += 2;
|
|
|
|
gdk_draw_line (widget->window, widget->style->black_gc,
|
|
lx1, ly1, lx2, ly2);
|
|
|
|
lx2 -= DEFAULT_DELTA+2;
|
|
ly1 = 0;
|
|
ly2 = widget->allocation.height;
|
|
|
|
if (tree != tree->root_tree)
|
|
{
|
|
item = GTK_TREE_ITEM (tree->tree_owner);
|
|
tree = GTK_TREE (GTK_WIDGET (tree)->parent);
|
|
while (tree != tree->root_tree)
|
|
{
|
|
lx1 = lx2 -= tree->indent_value;
|
|
|
|
if (g_list_last (tree->children)->data != item)
|
|
gdk_draw_line (widget->window, widget->style->black_gc, lx1, ly1, lx2, ly2);
|
|
item = GTK_TREE_ITEM (tree->tree_owner);
|
|
tree = GTK_TREE (GTK_WIDGET (tree)->parent);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_tree_item_draw (GtkWidget *widget,
|
|
GdkRectangle *area)
|
|
{
|
|
GtkBin *bin;
|
|
GdkRectangle child_area, item_area;
|
|
GtkTreeItem* tree_item;
|
|
|
|
g_return_if_fail (widget != NULL);
|
|
g_return_if_fail (GTK_IS_TREE_ITEM (widget));
|
|
g_return_if_fail (area != NULL);
|
|
|
|
if (GTK_WIDGET_DRAWABLE (widget))
|
|
{
|
|
bin = GTK_BIN (widget);
|
|
tree_item = GTK_TREE_ITEM(widget);
|
|
|
|
/* draw left size of tree item */
|
|
item_area.x = 0;
|
|
item_area.y = 0;
|
|
item_area.width = (tree_item->pixmaps_box->allocation.width + DEFAULT_DELTA +
|
|
GTK_TREE (widget->parent)->current_indent + 2);
|
|
item_area.height = widget->allocation.height;
|
|
|
|
if (gdk_rectangle_intersect(&item_area, area, &child_area))
|
|
{
|
|
if (widget->state == GTK_STATE_NORMAL)
|
|
{
|
|
gdk_window_set_back_pixmap (widget->window, NULL, TRUE);
|
|
gdk_window_clear_area (widget->window, area->x, area->y, area->width, area->height);
|
|
}
|
|
else
|
|
{
|
|
if (!GTK_WIDGET_IS_SENSITIVE (widget))
|
|
gtk_paint_flat_box(widget->style, widget->window,
|
|
widget->state, GTK_STATE_INSENSITIVE,
|
|
area, widget, "treeitem",
|
|
0, 0, -1, -1);
|
|
else
|
|
gtk_paint_flat_box(widget->style, widget->window,
|
|
widget->state, GTK_SHADOW_ETCHED_OUT,
|
|
area, widget, "treeitem",
|
|
0, 0, -1, -1);
|
|
}
|
|
|
|
gtk_tree_item_draw_lines(widget);
|
|
|
|
if (tree_item->pixmaps_box &&
|
|
GTK_WIDGET_VISIBLE(tree_item->pixmaps_box) &&
|
|
gtk_widget_intersect (tree_item->pixmaps_box, area, &child_area))
|
|
gtk_widget_draw (tree_item->pixmaps_box, &child_area);
|
|
}
|
|
|
|
/* draw right side */
|
|
if (gtk_widget_intersect (bin->child, area, &child_area))
|
|
{
|
|
if (bin->child &&
|
|
GTK_WIDGET_VISIBLE(bin->child) &&
|
|
gtk_widget_intersect (bin->child, area, &child_area))
|
|
gtk_widget_draw (bin->child, &child_area);
|
|
}
|
|
|
|
if (GTK_WIDGET_HAS_FOCUS (widget))
|
|
gtk_paint_focus (widget->style, widget->window,
|
|
NULL, widget, "treeitem",
|
|
0, 0,
|
|
widget->allocation.width - 1,
|
|
widget->allocation.height - 1);
|
|
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_tree_item_draw_focus (GtkWidget *widget)
|
|
{
|
|
g_return_if_fail (widget != NULL);
|
|
g_return_if_fail (GTK_IS_TREE_ITEM (widget));
|
|
|
|
gtk_widget_draw(widget, NULL);
|
|
}
|
|
|
|
static gint
|
|
gtk_tree_item_button_press (GtkWidget *widget,
|
|
GdkEventButton *event)
|
|
{
|
|
|
|
g_return_val_if_fail (widget != NULL, FALSE);
|
|
g_return_val_if_fail (GTK_IS_TREE_ITEM (widget), FALSE);
|
|
g_return_val_if_fail (event != NULL, FALSE);
|
|
|
|
if (event->type == GDK_BUTTON_PRESS
|
|
&& GTK_WIDGET_IS_SENSITIVE(widget)
|
|
&& !GTK_WIDGET_HAS_FOCUS (widget))
|
|
gtk_widget_grab_focus (widget);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gint
|
|
gtk_tree_item_expose (GtkWidget *widget,
|
|
GdkEventExpose *event)
|
|
{
|
|
g_return_val_if_fail (widget != NULL, FALSE);
|
|
g_return_val_if_fail (GTK_IS_TREE_ITEM (widget), FALSE);
|
|
g_return_val_if_fail (event != NULL, FALSE);
|
|
|
|
if (GTK_WIDGET_DRAWABLE (widget))
|
|
gtk_tree_item_draw(widget, &event->area);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gint
|
|
gtk_tree_item_focus_in (GtkWidget *widget,
|
|
GdkEventFocus *event)
|
|
{
|
|
g_return_val_if_fail (widget != NULL, FALSE);
|
|
g_return_val_if_fail (GTK_IS_TREE_ITEM (widget), FALSE);
|
|
g_return_val_if_fail (event != NULL, FALSE);
|
|
|
|
GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
|
|
gtk_widget_draw_focus (widget);
|
|
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gint
|
|
gtk_tree_item_focus_out (GtkWidget *widget,
|
|
GdkEventFocus *event)
|
|
{
|
|
g_return_val_if_fail (widget != NULL, FALSE);
|
|
g_return_val_if_fail (GTK_IS_TREE_ITEM (widget), FALSE);
|
|
g_return_val_if_fail (event != NULL, FALSE);
|
|
|
|
GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
|
|
gtk_widget_draw_focus (widget);
|
|
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
gtk_real_tree_item_select (GtkItem *item)
|
|
{
|
|
GtkTreeItem *tree_item;
|
|
GtkWidget *widget;
|
|
|
|
g_return_if_fail (item != NULL);
|
|
g_return_if_fail (GTK_IS_TREE_ITEM (item));
|
|
|
|
tree_item = GTK_TREE_ITEM (item);
|
|
widget = GTK_WIDGET (item);
|
|
|
|
gtk_widget_set_state (GTK_WIDGET (item), GTK_STATE_SELECTED);
|
|
|
|
if (!widget->parent || GTK_TREE (widget->parent)->view_mode == GTK_TREE_VIEW_LINE)
|
|
gtk_widget_set_state (GTK_TREE_ITEM (item)->pixmaps_box, GTK_STATE_SELECTED);
|
|
}
|
|
|
|
static void
|
|
gtk_real_tree_item_deselect (GtkItem *item)
|
|
{
|
|
GtkTreeItem *tree_item;
|
|
GtkWidget *widget;
|
|
|
|
g_return_if_fail (item != NULL);
|
|
g_return_if_fail (GTK_IS_TREE_ITEM (item));
|
|
|
|
tree_item = GTK_TREE_ITEM (item);
|
|
widget = GTK_WIDGET (item);
|
|
|
|
gtk_widget_set_state (widget, GTK_STATE_NORMAL);
|
|
|
|
if (!widget->parent || GTK_TREE (widget->parent)->view_mode == GTK_TREE_VIEW_LINE)
|
|
gtk_widget_set_state (tree_item->pixmaps_box, GTK_STATE_NORMAL);
|
|
}
|
|
|
|
static void
|
|
gtk_real_tree_item_toggle (GtkItem *item)
|
|
{
|
|
g_return_if_fail (item != NULL);
|
|
g_return_if_fail (GTK_IS_TREE_ITEM (item));
|
|
|
|
if(!GTK_WIDGET_IS_SENSITIVE(item))
|
|
return;
|
|
|
|
if (GTK_WIDGET (item)->parent && GTK_IS_TREE (GTK_WIDGET (item)->parent))
|
|
gtk_tree_select_child (GTK_TREE (GTK_WIDGET (item)->parent),
|
|
GTK_WIDGET (item));
|
|
else
|
|
{
|
|
/* Should we really bother with this bit? A listitem not in a list?
|
|
* -Johannes Keukelaar
|
|
* yes, always be on the safe side!
|
|
* -timj
|
|
*/
|
|
if (GTK_WIDGET (item)->state == GTK_STATE_SELECTED)
|
|
gtk_widget_set_state (GTK_WIDGET (item), GTK_STATE_NORMAL);
|
|
else
|
|
gtk_widget_set_state (GTK_WIDGET (item), GTK_STATE_SELECTED);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_real_tree_item_expand (GtkTreeItem *tree_item)
|
|
{
|
|
GtkTree* tree;
|
|
|
|
g_return_if_fail (tree_item != NULL);
|
|
g_return_if_fail (GTK_IS_TREE_ITEM (tree_item));
|
|
|
|
if (tree_item->subtree && !tree_item->expanded)
|
|
{
|
|
tree = GTK_TREE (GTK_WIDGET (tree_item)->parent);
|
|
|
|
/* hide subtree widget */
|
|
gtk_widget_show (tree_item->subtree);
|
|
|
|
/* hide button '+' and show button '-' */
|
|
if (tree_item->pixmaps_box)
|
|
{
|
|
gtk_container_remove (GTK_CONTAINER (tree_item->pixmaps_box),
|
|
tree_item->plus_pix_widget);
|
|
gtk_container_add (GTK_CONTAINER (tree_item->pixmaps_box),
|
|
tree_item->minus_pix_widget);
|
|
}
|
|
if (tree->root_tree)
|
|
gtk_widget_queue_resize (GTK_WIDGET (tree->root_tree));
|
|
tree_item->expanded = TRUE;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_real_tree_item_collapse (GtkTreeItem *tree_item)
|
|
{
|
|
GtkTree* tree;
|
|
|
|
g_return_if_fail (tree_item != NULL);
|
|
g_return_if_fail (GTK_IS_TREE_ITEM (tree_item));
|
|
|
|
if (tree_item->subtree && tree_item->expanded)
|
|
{
|
|
tree = GTK_TREE (GTK_WIDGET (tree_item)->parent);
|
|
|
|
/* hide subtree widget */
|
|
gtk_widget_hide (tree_item->subtree);
|
|
|
|
/* hide button '-' and show button '+' */
|
|
if (tree_item->pixmaps_box)
|
|
{
|
|
gtk_container_remove (GTK_CONTAINER (tree_item->pixmaps_box),
|
|
tree_item->minus_pix_widget);
|
|
gtk_container_add (GTK_CONTAINER (tree_item->pixmaps_box),
|
|
tree_item->plus_pix_widget);
|
|
}
|
|
if (tree->root_tree)
|
|
gtk_widget_queue_resize (GTK_WIDGET (tree->root_tree));
|
|
tree_item->expanded = FALSE;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_tree_item_destroy (GtkObject *object)
|
|
{
|
|
GtkTreeItem* item;
|
|
GtkWidget* child;
|
|
|
|
g_return_if_fail (object != NULL);
|
|
g_return_if_fail (GTK_IS_TREE_ITEM (object));
|
|
|
|
#ifdef TREE_DEBUG
|
|
g_message("+ gtk_tree_item_destroy [object %#x]\n", (int)object);
|
|
#endif /* TREE_DEBUG */
|
|
|
|
item = GTK_TREE_ITEM(object);
|
|
|
|
/* free sub tree if it exist */
|
|
child = item->subtree;
|
|
if (child)
|
|
{
|
|
gtk_widget_ref (child);
|
|
gtk_widget_unparent (child);
|
|
gtk_widget_destroy (child);
|
|
gtk_widget_unref (child);
|
|
item->subtree = NULL;
|
|
}
|
|
|
|
/* free pixmaps box */
|
|
child = item->pixmaps_box;
|
|
if (child)
|
|
{
|
|
gtk_widget_ref (child);
|
|
gtk_widget_unparent (child);
|
|
gtk_widget_destroy (child);
|
|
gtk_widget_unref (child);
|
|
item->pixmaps_box = NULL;
|
|
}
|
|
|
|
|
|
/* destroy plus pixmap */
|
|
if (item->plus_pix_widget)
|
|
{
|
|
gtk_widget_destroy (item->plus_pix_widget);
|
|
gtk_widget_unref (item->plus_pix_widget);
|
|
item->plus_pix_widget = NULL;
|
|
}
|
|
|
|
/* destroy minus pixmap */
|
|
if (item->minus_pix_widget)
|
|
{
|
|
gtk_widget_destroy (item->minus_pix_widget);
|
|
gtk_widget_unref (item->minus_pix_widget);
|
|
item->minus_pix_widget = NULL;
|
|
}
|
|
|
|
/* By removing the pixmaps here, and not in unrealize, we depend on
|
|
* the fact that a widget can never change colormap or visual.
|
|
*/
|
|
gtk_tree_item_remove_pixmaps (item);
|
|
|
|
GTK_OBJECT_CLASS (parent_class)->destroy (object);
|
|
|
|
#ifdef TREE_DEBUG
|
|
g_message("- gtk_tree_item_destroy\n");
|
|
#endif /* TREE_DEBUG */
|
|
}
|
|
|
|
void
|
|
gtk_tree_item_remove_subtree (GtkTreeItem* item)
|
|
{
|
|
g_return_if_fail (item != NULL);
|
|
g_return_if_fail (GTK_IS_TREE_ITEM(item));
|
|
g_return_if_fail (item->subtree != NULL);
|
|
|
|
if (GTK_TREE (item->subtree)->children)
|
|
{
|
|
/* The following call will remove the children and call
|
|
* gtk_tree_item_remove_subtree() again. So we are done.
|
|
*/
|
|
gtk_tree_remove_items (GTK_TREE (item->subtree),
|
|
GTK_TREE (item->subtree)->children);
|
|
return;
|
|
}
|
|
|
|
if (GTK_WIDGET_MAPPED (item->subtree))
|
|
gtk_widget_unmap (item->subtree);
|
|
|
|
gtk_widget_unparent (item->subtree);
|
|
|
|
if (item->pixmaps_box)
|
|
gtk_widget_hide (item->pixmaps_box);
|
|
|
|
item->subtree = NULL;
|
|
|
|
if (item->expanded)
|
|
{
|
|
item->expanded = FALSE;
|
|
if (item->pixmaps_box)
|
|
{
|
|
gtk_container_remove (GTK_CONTAINER (item->pixmaps_box),
|
|
item->minus_pix_widget);
|
|
gtk_container_add (GTK_CONTAINER (item->pixmaps_box),
|
|
item->plus_pix_widget);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_tree_item_map (GtkWidget *widget)
|
|
{
|
|
GtkBin *bin;
|
|
GtkTreeItem* item;
|
|
|
|
g_return_if_fail (widget != NULL);
|
|
g_return_if_fail (GTK_IS_TREE_ITEM (widget));
|
|
|
|
bin = GTK_BIN (widget);
|
|
item = GTK_TREE_ITEM(widget);
|
|
|
|
GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
|
|
|
|
gdk_window_show (widget->window);
|
|
|
|
if(item->pixmaps_box &&
|
|
GTK_WIDGET_VISIBLE (item->pixmaps_box) &&
|
|
!GTK_WIDGET_MAPPED (item->pixmaps_box))
|
|
gtk_widget_map (item->pixmaps_box);
|
|
|
|
if (bin->child &&
|
|
GTK_WIDGET_VISIBLE (bin->child) &&
|
|
!GTK_WIDGET_MAPPED (bin->child))
|
|
gtk_widget_map (bin->child);
|
|
}
|
|
|
|
static void
|
|
gtk_tree_item_unmap (GtkWidget *widget)
|
|
{
|
|
GtkBin *bin;
|
|
GtkTreeItem* item;
|
|
|
|
g_return_if_fail (widget != NULL);
|
|
g_return_if_fail (GTK_IS_TREE_ITEM (widget));
|
|
|
|
GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
|
|
bin = GTK_BIN (widget);
|
|
item = GTK_TREE_ITEM(widget);
|
|
|
|
gdk_window_hide (widget->window);
|
|
|
|
if(item->pixmaps_box &&
|
|
GTK_WIDGET_VISIBLE (item->pixmaps_box) &&
|
|
GTK_WIDGET_MAPPED (item->pixmaps_box))
|
|
gtk_widget_unmap (bin->child);
|
|
|
|
if (bin->child &&
|
|
GTK_WIDGET_VISIBLE (bin->child) &&
|
|
GTK_WIDGET_MAPPED (bin->child))
|
|
gtk_widget_unmap (bin->child);
|
|
}
|
|
|
|
static void
|
|
gtk_tree_item_forall (GtkContainer *container,
|
|
gboolean include_internals,
|
|
GtkCallback callback,
|
|
gpointer callback_data)
|
|
{
|
|
GtkBin *bin;
|
|
GtkTreeItem *tree_item;
|
|
|
|
g_return_if_fail (container != NULL);
|
|
g_return_if_fail (GTK_IS_TREE_ITEM (container));
|
|
g_return_if_fail (callback != NULL);
|
|
|
|
bin = GTK_BIN (container);
|
|
tree_item = GTK_TREE_ITEM (container);
|
|
|
|
if (bin->child)
|
|
(* callback) (bin->child, callback_data);
|
|
if (include_internals && tree_item->subtree)
|
|
(* callback) (tree_item->subtree, callback_data);
|
|
}
|