From ac29fd6152103922c310c1fbeab030fc9440b354 Mon Sep 17 00:00:00 2001
From: nobody <nobody@localhost>
Date: Sat, 23 Jun 2001 05:14:10 +0000
Subject: This commit was manufactured by cvs2svn to create tag 'gnomemm_1_2'.
svn path=/tags/gnomemm_1_2/; revision=10431
---
widgets/misc/e-canvas.c | 760 ------------------------------------------------
1 file changed, 760 deletions(-)
delete mode 100644 widgets/misc/e-canvas.c
(limited to 'widgets/misc/e-canvas.c')
diff --git a/widgets/misc/e-canvas.c b/widgets/misc/e-canvas.c
deleted file mode 100644
index e48c6bb821..0000000000
--- a/widgets/misc/e-canvas.c
+++ /dev/null
@@ -1,760 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * e-canvas.c
- * Copyright (C) 2000 Helix Code, Inc.
- * Author: Chris Lahey <clahey@helixcode.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program 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
- * General Public License for more details.
- *
- * You should have received a copy of the GNU 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 <gtk/gtksignal.h>
-#include "e-canvas.h"
-
-static void e_canvas_init (ECanvas *card);
-static void e_canvas_destroy (GtkObject *object);
-static void e_canvas_class_init (ECanvasClass *klass);
-static void e_canvas_realize (GtkWidget *widget);
-static void e_canvas_unrealize (GtkWidget *widget);
-static gint e_canvas_key (GtkWidget *widget,
- GdkEventKey *event);
-
-static gint e_canvas_visibility (GtkWidget *widget,
- GdkEventVisibility *event,
- ECanvas *canvas);
-
-static gint e_canvas_focus_in (GtkWidget *widget,
- GdkEventFocus *event);
-static gint e_canvas_focus_out (GtkWidget *widget,
- GdkEventFocus *event);
-
-static int emit_event (GnomeCanvas *canvas, GdkEvent *event);
-
-static GnomeCanvasClass *parent_class = NULL;
-
-enum {
- REFLOW,
- LAST_SIGNAL
-};
-
-static guint e_canvas_signals [LAST_SIGNAL] = { 0, };
-
-GtkType
-e_canvas_get_type (void)
-{
- static GtkType canvas_type = 0;
-
- if (!canvas_type)
- {
- static const GtkTypeInfo canvas_info =
- {
- "ECanvas",
- sizeof (ECanvas),
- sizeof (ECanvasClass),
- (GtkClassInitFunc) e_canvas_class_init,
- (GtkObjectInitFunc) e_canvas_init,
- /* reserved_1 */ NULL,
- /* reserved_2 */ NULL,
- (GtkClassInitFunc) NULL,
- };
-
- canvas_type = gtk_type_unique (gnome_canvas_get_type (), &canvas_info);
- }
-
- return canvas_type;
-}
-
-static void
-e_canvas_class_init (ECanvasClass *klass)
-{
- GtkObjectClass *object_class;
- GnomeCanvasClass *canvas_class;
- GtkWidgetClass *widget_class;
-
- object_class = (GtkObjectClass*) klass;
- canvas_class = (GnomeCanvasClass *) klass;
- widget_class = (GtkWidgetClass *) klass;
-
- parent_class = gtk_type_class (gnome_canvas_get_type ());
-
- object_class->destroy = e_canvas_destroy;
-
- widget_class->key_press_event = e_canvas_key;
- widget_class->key_release_event = e_canvas_key;
- widget_class->focus_in_event = e_canvas_focus_in;
- widget_class->focus_out_event = e_canvas_focus_out;
- widget_class->realize = e_canvas_realize;
- widget_class->unrealize = e_canvas_unrealize;
-
- klass->reflow = NULL;
-
- e_canvas_signals [REFLOW] =
- gtk_signal_new ("reflow",
- GTK_RUN_LAST,
- object_class->type,
- GTK_SIGNAL_OFFSET (ECanvasClass, reflow),
- gtk_marshal_NONE__NONE,
- GTK_TYPE_NONE, 0);
-
- gtk_object_class_add_signals (object_class, e_canvas_signals, LAST_SIGNAL);
-}
-
-static void
-e_canvas_init (ECanvas *canvas)
-{
- canvas->selection = NULL;
- canvas->cursor = NULL;
- canvas->ic = NULL;
- canvas->ic_attr = NULL;
- canvas->tooltip_window = NULL;
-}
-
-static void
-e_canvas_destroy (GtkObject *object)
-{
- ECanvas *canvas = E_CANVAS(object);
-
- if (canvas->idle_id)
- g_source_remove(canvas->idle_id);
-
- if (canvas->toplevel) {
- if (canvas->visibility_notify_id)
- gtk_signal_disconnect (GTK_OBJECT(canvas->toplevel),
- canvas->visibility_notify_id);
- canvas->visibility_notify_id = 0;
-
- gtk_object_unref(GTK_OBJECT(canvas->toplevel));
- canvas->toplevel = NULL;
- }
-
- if ((GTK_OBJECT_CLASS (parent_class))->destroy)
- (*(GTK_OBJECT_CLASS (parent_class))->destroy) (object);
-}
-
-GtkWidget *
-e_canvas_new ()
-{
- return GTK_WIDGET (gtk_type_new (e_canvas_get_type ()));
-}
-
-
-/* Returns whether the item is an inferior of or is equal to the parent. */
-static int
-is_descendant (GnomeCanvasItem *item, GnomeCanvasItem *parent)
-{
- for (; item; item = item->parent)
- if (item == parent)
- return TRUE;
-
- return FALSE;
-}
-
-/* Emits an event for an item in the canvas, be it the current item, grabbed
- * item, or focused item, as appropriate.
- */
-static int
-emit_event (GnomeCanvas *canvas, GdkEvent *event)
-{
- GdkEvent ev;
- gint finished;
- GnomeCanvasItem *item;
- GnomeCanvasItem *parent;
- guint mask;
-
- /* Perform checks for grabbed items */
-
- if (canvas->grabbed_item && !is_descendant (canvas->current_item, canvas->grabbed_item))
- return FALSE;
-
- if (canvas->grabbed_item) {
- switch (event->type) {
- case GDK_ENTER_NOTIFY:
- mask = GDK_ENTER_NOTIFY_MASK;
- break;
-
- case GDK_LEAVE_NOTIFY:
- mask = GDK_LEAVE_NOTIFY_MASK;
- break;
-
- case GDK_MOTION_NOTIFY:
- mask = GDK_POINTER_MOTION_MASK;
- break;
-
- case GDK_BUTTON_PRESS:
- case GDK_2BUTTON_PRESS:
- case GDK_3BUTTON_PRESS:
- mask = GDK_BUTTON_PRESS_MASK;
- break;
-
- case GDK_BUTTON_RELEASE:
- mask = GDK_BUTTON_RELEASE_MASK;
- break;
-
- case GDK_KEY_PRESS:
- mask = GDK_KEY_PRESS_MASK;
- break;
-
- case GDK_KEY_RELEASE:
- mask = GDK_KEY_RELEASE_MASK;
- break;
-
- default:
- mask = 0;
- break;
- }
-
- if (!(mask & canvas->grabbed_event_mask))
- return FALSE;
- }
-
- /* Convert to world coordinates -- we have two cases because of diferent
- * offsets of the fields in the event structures.
- */
-
- ev = *event;
-
- switch (ev.type) {
- case GDK_ENTER_NOTIFY:
- case GDK_LEAVE_NOTIFY:
- gnome_canvas_window_to_world (canvas,
- ev.crossing.x, ev.crossing.y,
- &ev.crossing.x, &ev.crossing.y);
- break;
-
- case GDK_MOTION_NOTIFY:
- case GDK_BUTTON_PRESS:
- case GDK_2BUTTON_PRESS:
- case GDK_3BUTTON_PRESS:
- case GDK_BUTTON_RELEASE:
- gnome_canvas_window_to_world (canvas,
- ev.motion.x, ev.motion.y,
- &ev.motion.x, &ev.motion.y);
- break;
-
- default:
- break;
- }
-
- /* Choose where we send the event */
-
- item = canvas->current_item;
-
- if (canvas->focused_item
- && ((event->type == GDK_KEY_PRESS) || (event->type == GDK_KEY_RELEASE) || (event->type == GDK_FOCUS_CHANGE)))
- item = canvas->focused_item;
-
- /* The event is propagated up the hierarchy (for if someone connected to
- * a group instead of a leaf event), and emission is stopped if a
- * handler returns TRUE, just like for GtkWidget events.
- */
-
- finished = FALSE;
-
- while (item && !finished) {
- gtk_object_ref (GTK_OBJECT (item));
-
- gtk_signal_emit_by_name (GTK_OBJECT (item), "event",
- &ev,
- &finished);
-
- if (GTK_OBJECT_DESTROYED (item))
- finished = TRUE;
-
- parent = item->parent;
- gtk_object_unref (GTK_OBJECT (item));
-
- item = parent;
- }
-
- return finished;
-}
-
-/* Key event handler for the canvas */
-static gint
-e_canvas_key (GtkWidget *widget, GdkEventKey *event)
-{
- GnomeCanvas *canvas;
- GdkEvent full_event;
-
- g_return_val_if_fail (widget != NULL, FALSE);
- g_return_val_if_fail (GNOME_IS_CANVAS (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
-
- canvas = GNOME_CANVAS (widget);
-
- full_event.key = *event;
-
- return emit_event (canvas, &full_event);
-}
-
-/* Key event handler for the canvas */
-static gint
-e_canvas_visibility (GtkWidget *widget, GdkEventVisibility *event, ECanvas *canvas)
-{
- if (! canvas->visibility_first) {
- e_canvas_hide_tooltip(canvas);
- }
- canvas->visibility_first = FALSE;
-
- return FALSE;
-}
-
-
-/**
- * e_canvas_item_grab_focus:
- * @item: A canvas item.
- * @widget_too: Whether or not to grab the widget-level focus too
- *
- * Makes the specified item take the keyboard focus, so all keyboard
- * events will be sent to it. If the canvas widget itself did not have
- * the focus and @widget_too is %TRUE, it grabs that focus as well.
- **/
-void
-e_canvas_item_grab_focus (GnomeCanvasItem *item, gboolean widget_too)
-{
- GnomeCanvasItem *focused_item;
- GdkEvent ev;
-
- g_return_if_fail (item != NULL);
- g_return_if_fail (GNOME_IS_CANVAS_ITEM (item));
- g_return_if_fail (GTK_WIDGET_CAN_FOCUS (GTK_WIDGET (item->canvas)));
-
- focused_item = item->canvas->focused_item;
-
- if (focused_item) {
- ev.focus_change.type = GDK_FOCUS_CHANGE;
- ev.focus_change.window = GTK_LAYOUT (item->canvas)->bin_window;
- ev.focus_change.send_event = FALSE;
- ev.focus_change.in = FALSE;
-
- emit_event (item->canvas, &ev);
- }
-
- item->canvas->focused_item = item;
-
- if (widget_too && !GTK_WIDGET_HAS_FOCUS (GTK_WIDGET(item->canvas))) {
- gtk_widget_grab_focus (GTK_WIDGET (item->canvas));
- }
-
- if (focused_item) {
- ev.focus_change.type = GDK_FOCUS_CHANGE;
- ev.focus_change.window = GTK_LAYOUT (item->canvas)->bin_window;
- ev.focus_change.send_event = FALSE;
- ev.focus_change.in = TRUE;
-
- emit_event (item->canvas, &ev);
- }
-}
-
-/* Focus in handler for the canvas */
-static gint
-e_canvas_focus_in (GtkWidget *widget, GdkEventFocus *event)
-{
- GnomeCanvas *canvas;
- ECanvas *ecanvas;
- GdkEvent full_event;
-
- canvas = GNOME_CANVAS (widget);
- ecanvas = E_CANVAS (widget);
-
- GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
-
- if (ecanvas->ic)
- gdk_im_begin (ecanvas->ic, canvas->layout.bin_window);
-
- if (canvas->focused_item) {
- full_event.focus_change = *event;
- return emit_event (canvas, &full_event);
- } else {
- return FALSE;
- }
-}
-
-/* Focus out handler for the canvas */
-static gint
-e_canvas_focus_out (GtkWidget *widget, GdkEventFocus *event)
-{
- GnomeCanvas *canvas;
- ECanvas *ecanvas;
- GdkEvent full_event;
-
- canvas = GNOME_CANVAS (widget);
- ecanvas = E_CANVAS (widget);
-
- GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
-
- if (ecanvas->ic)
- gdk_im_end ();
-
- if (canvas->focused_item) {
- full_event.focus_change = *event;
- return emit_event (canvas, &full_event);
- } else {
- return FALSE;
- }
-}
-
-static void
-e_canvas_realize (GtkWidget *widget)
-{
- ECanvas *ecanvas = E_CANVAS (widget);
-
- if (GTK_WIDGET_CLASS (parent_class)->realize)
- (* GTK_WIDGET_CLASS (parent_class)->realize) (widget);
-
- gdk_window_set_back_pixmap (GTK_LAYOUT (widget)->bin_window, NULL, FALSE);
-
- if (gdk_im_ready () && (ecanvas->ic_attr = gdk_ic_attr_new ()) != NULL) {
- GdkEventMask mask;
- GdkICAttr *attr = ecanvas->ic_attr;
- GdkICAttributesType attrmask = GDK_IC_ALL_REQ;
- GdkIMStyle style;
- GdkIMStyle supported_style = GDK_IM_PREEDIT_NONE |
- GDK_IM_PREEDIT_NOTHING |
- GDK_IM_STATUS_NONE |
- GDK_IM_STATUS_NOTHING;
-
- attr->style = style = gdk_im_decide_style (supported_style);
- attr->client_window = ecanvas->parent.layout.bin_window;
-
- ecanvas->ic = gdk_ic_new (attr, attrmask);
- if (ecanvas->ic != NULL) {
- mask = gdk_window_get_events (attr->client_window);
- mask |= gdk_ic_get_events (ecanvas->ic);
- gdk_window_set_events (attr->client_window, mask);
-
- if (GTK_WIDGET_HAS_FOCUS (widget))
- gdk_im_begin (ecanvas->ic, attr->client_window);
- } else
- g_warning ("Can't create input context.");
- }
-
-}
-
-static void
-e_canvas_unrealize (GtkWidget *widget)
-{
- ECanvas * ecanvas = E_CANVAS (widget);
- if (ecanvas->ic) {
- gdk_ic_destroy (ecanvas->ic);
- ecanvas->ic = NULL;
- }
- if (ecanvas->ic_attr) {
- gdk_ic_attr_destroy (ecanvas->ic_attr);
- ecanvas->ic_attr = NULL;
- }
- if (GTK_WIDGET_CLASS (parent_class)->unrealize)
- (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
-}
-
-static void
-e_canvas_item_invoke_reflow (GnomeCanvasItem *item, int flags)
-{
- GnomeCanvasGroup *group;
- GList *list;
- GnomeCanvasItem *child;
-
- if (GNOME_IS_CANVAS_GROUP (item)) {
- group = GNOME_CANVAS_GROUP (item);
- for (list = group->item_list; list; list = list->next) {
- child = GNOME_CANVAS_ITEM (list->data);
- if (child->object.flags & E_CANVAS_ITEM_DESCENDENT_NEEDS_REFLOW)
- e_canvas_item_invoke_reflow (child, flags);
- }
- }
-
- if (item->object.flags & E_CANVAS_ITEM_NEEDS_REFLOW) {
- ECanvasItemReflowFunc func;
- func = gtk_object_get_data (GTK_OBJECT (item),
- "ECanvasItem::reflow_callback");
- if (func)
- func (item, flags);
- }
-
- item->object.flags &= ~E_CANVAS_ITEM_NEEDS_REFLOW;
- item->object.flags &= ~E_CANVAS_ITEM_DESCENDENT_NEEDS_REFLOW;
-}
-
-static void
-do_reflow (ECanvas *canvas)
-{
- if (GNOME_CANVAS(canvas)->root->object.flags & E_CANVAS_ITEM_DESCENDENT_NEEDS_REFLOW)
- e_canvas_item_invoke_reflow (GNOME_CANVAS(canvas)->root, 0);
-}
-
-/* Idle handler for the e-canvas. It deals with pending reflows. */
-static gint
-idle_handler (gpointer data)
-{
- ECanvas *canvas;
-
- GDK_THREADS_ENTER();
-
- canvas = E_CANVAS (data);
- do_reflow (canvas);
-
- /* Reset idle id */
- canvas->idle_id = 0;
-
- gtk_signal_emit (GTK_OBJECT (canvas),
- e_canvas_signals [REFLOW]);
-
- GDK_THREADS_LEAVE();
-
- return FALSE;
-}
-
-/* Convenience function to add an idle handler to a canvas */
-static void
-add_idle (ECanvas *canvas)
-{
- if (canvas->idle_id != 0)
- return;
-
- canvas->idle_id = g_idle_add_full (G_PRIORITY_HIGH_IDLE, idle_handler, (gpointer) canvas, NULL);
-}
-
-static void
-e_canvas_item_descendent_needs_reflow (GnomeCanvasItem *item)
-{
- if (item->object.flags & E_CANVAS_ITEM_DESCENDENT_NEEDS_REFLOW)
- return;
-
- item->object.flags |= E_CANVAS_ITEM_DESCENDENT_NEEDS_REFLOW;
- if (item->parent)
- e_canvas_item_descendent_needs_reflow(item->parent);
-}
-
-void
-e_canvas_item_request_reflow (GnomeCanvasItem *item)
-{
- if (item->object.flags & GNOME_CANVAS_ITEM_REALIZED) {
- item->object.flags |= E_CANVAS_ITEM_NEEDS_REFLOW;
- e_canvas_item_descendent_needs_reflow(item);
- add_idle(E_CANVAS(item->canvas));
- }
-}
-
-void
-e_canvas_item_request_parent_reflow (GnomeCanvasItem *item)
-{
- g_return_if_fail(item != NULL);
- g_return_if_fail(GNOME_IS_CANVAS_ITEM(item));
- e_canvas_item_request_reflow(item->parent);
-}
-
-void
-e_canvas_item_set_reflow_callback (GnomeCanvasItem *item, ECanvasItemReflowFunc func)
-{
- gtk_object_set_data(GTK_OBJECT(item), "ECanvasItem::reflow_callback", (gpointer) func);
-}
-
-
-void
-e_canvas_item_set_selection_callback (GnomeCanvasItem *item, ECanvasItemSelectionFunc func)
-{
- gtk_object_set_data(GTK_OBJECT(item), "ECanvasItem::selection_callback", (gpointer) func);
-}
-
-void
-e_canvas_item_set_selection_compare_callback (GnomeCanvasItem *item, ECanvasItemSelectionCompareFunc func)
-{
- gtk_object_set_data(GTK_OBJECT(item), "ECanvasItem::selection_compare_callback", (gpointer) func);
-}
-
-void
-e_canvas_item_set_cursor (GnomeCanvasItem *item, gpointer id)
-{
- GList *list;
- int flags;
- ECanvas *canvas;
- ECanvasSelectionInfo *info;
- ECanvasItemSelectionFunc func;
-
- g_return_if_fail(item != NULL);
- g_return_if_fail(GNOME_IS_CANVAS_ITEM(item));
- g_return_if_fail(item->canvas != NULL);
- g_return_if_fail(E_IS_CANVAS(item->canvas));
-
- canvas = E_CANVAS(item->canvas);
- flags = E_CANVAS_ITEM_SELECTION_DELETE_DATA;
-
- for (list = canvas->selection; list; list = g_list_next(list)) {
- info = list->data;
-
- func = gtk_object_get_data(GTK_OBJECT(info->item), "ECanvasItem::selection_callback");
- if (func)
- func(info->item, flags, info->id);
- g_message ("ECANVAS: free info (2): item %p, id %p",
- info->item, info->id);
- gtk_object_unref (GTK_OBJECT (info->item));
- g_free(info);
- }
- g_list_free(canvas->selection);
-
- canvas->selection = NULL;
-
- gnome_canvas_item_grab_focus(item);
-
- info = g_new(ECanvasSelectionInfo, 1);
- info->item = item;
- gtk_object_ref (GTK_OBJECT (info->item));
- info->id = id;
- g_message ("ECANVAS: new info item %p, id %p", item, id);
-
- flags = E_CANVAS_ITEM_SELECTION_SELECT | E_CANVAS_ITEM_SELECTION_CURSOR;
- func = gtk_object_get_data(GTK_OBJECT(item), "ECanvasItem::selection_callback");
- if (func)
- func(item, flags, id);
-
- canvas->selection = g_list_prepend(canvas->selection, info);
- canvas->cursor = info;
-}
-
-void
-e_canvas_item_set_cursor_end (GnomeCanvasItem *item, gpointer id)
-{
-}
-
-void
-e_canvas_item_add_selection (GnomeCanvasItem *item, gpointer id)
-{
- int flags;
- ECanvas *canvas;
- ECanvasSelectionInfo *info;
- ECanvasItemSelectionFunc func;
- GList *list;
-
- g_return_if_fail(item != NULL);
- g_return_if_fail(GNOME_IS_CANVAS_ITEM(item));
- g_return_if_fail(item->canvas != NULL);
- g_return_if_fail(E_IS_CANVAS(item->canvas));
-
- flags = E_CANVAS_ITEM_SELECTION_SELECT;
- canvas = E_CANVAS(item->canvas);
-
- if (canvas->cursor) {
- func = gtk_object_get_data(GTK_OBJECT(canvas->cursor->item), "ECanvasItem::selection_callback");
- if (func)
- func(canvas->cursor->item, flags, canvas->cursor->id);
- }
-
- gnome_canvas_item_grab_focus(item);
-
- flags = E_CANVAS_ITEM_SELECTION_SELECT | E_CANVAS_ITEM_SELECTION_CURSOR;
-
- for (list = canvas->selection; list; list = g_list_next(list)) {
- ECanvasSelectionInfo *search;
- search = list->data;
-
- if (search->item == item) {
- ECanvasItemSelectionCompareFunc compare_func;
- compare_func = gtk_object_get_data(GTK_OBJECT(search->item), "ECanvasItem::selection_compare_callback");
-
- if (compare_func(search->item, search->id, id, 0) == 0) {
- canvas->cursor = search;
- func = gtk_object_get_data(GTK_OBJECT(item), "ECanvasItem::selection_callback");
- if (func)
- func(item, flags, search->id);
- return;
- }
- }
- }
-
- info = g_new(ECanvasSelectionInfo, 1);
- info->item = item;
- gtk_object_ref (GTK_OBJECT (info->item));
- info->id = id;
- g_message ("ECANVAS: new info (2): item %p, id %p", item, id);
-
- func = gtk_object_get_data(GTK_OBJECT(item), "ECanvasItem::selection_callback");
- if (func)
- func(item, flags, id);
-
- canvas->selection = g_list_prepend(canvas->selection, info);
- canvas->cursor = info;
-}
-
-void
-e_canvas_item_remove_selection (GnomeCanvasItem *item, gpointer id)
-{
- int flags;
- ECanvas *canvas;
- ECanvasSelectionInfo *info;
- GList *list;
-
- g_return_if_fail(item != NULL);
- g_return_if_fail(GNOME_IS_CANVAS_ITEM(item));
- g_return_if_fail(item->canvas != NULL);
- g_return_if_fail(E_IS_CANVAS(item->canvas));
-
- flags = E_CANVAS_ITEM_SELECTION_DELETE_DATA;
- canvas = E_CANVAS(item->canvas);
-
- for (list = canvas->selection; list; list = g_list_next(list)) {
- info = list->data;
-
- if (info->item == item) {
- ECanvasItemSelectionCompareFunc compare_func;
- compare_func = gtk_object_get_data(GTK_OBJECT(info->item), "ECanvasItem::selection_compare_callback");
-
- if (compare_func(info->item, info->id, id, 0) == 0) {
- ECanvasItemSelectionFunc func;
- func = gtk_object_get_data(GTK_OBJECT(info->item), "ECanvasItem::selection_callback");
- if (func)
- func(info->item, flags, info->id);
- canvas->selection = g_list_remove_link(canvas->selection, list);
-
- if (canvas->cursor == info)
- canvas->cursor = NULL;
-
- g_message ("ECANVAS: removing info: item %p, info %p",
- info->item, info->id);
- gtk_object_unref (GTK_OBJECT (info->item));
- g_free(info);
- g_list_free_1(list);
- break;
- }
- }
- }
-}
-
-void e_canvas_popup_tooltip (ECanvas *canvas, GtkWidget *widget, int x, int y)
-{
- if (canvas->tooltip_window && canvas->tooltip_window != widget) {
- e_canvas_hide_tooltip(canvas);
- }
- canvas->tooltip_window = widget;
- canvas->visibility_first = TRUE;
- if (canvas->toplevel == NULL) {
- canvas->toplevel = gtk_widget_get_toplevel (GTK_WIDGET(canvas));
- if (canvas->toplevel) {
- gtk_widget_add_events(canvas->toplevel, GDK_VISIBILITY_NOTIFY_MASK);
- gtk_object_ref(GTK_OBJECT(canvas->toplevel));
- canvas->visibility_notify_id =
- gtk_signal_connect (GTK_OBJECT (canvas->toplevel), "visibility_notify_event",
- GTK_SIGNAL_FUNC (e_canvas_visibility), canvas);
- }
- }
- gtk_widget_popup (widget, x, y);
-}
-
-void e_canvas_hide_tooltip (ECanvas *canvas)
-{
- if (canvas->tooltip_window) {
- gtk_widget_destroy (canvas->tooltip_window);
- canvas->tooltip_window = NULL;
- }
-}
--
cgit