+
+//-----------------------------------------------------------------------------
+// substitute for missing GtkPixmapMenuItem
+//-----------------------------------------------------------------------------
+
+/*
+ * Copyright (C) 1998, 1999, 2000 Free Software Foundation
+ * All rights reserved.
+ *
+ * This file is part of the Gnome Library.
+ *
+ * The Gnome 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.
+ *
+ * The Gnome 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 the Gnome Library; see the file COPYING.LIB. If not,
+ * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+/*
+ @NOTATION@
+ */
+
+/* Author: Dietmar Maurer <dm@vlsivie.tuwien.ac.at> */
+
+#include <gtk/gtkaccellabel.h>
+#include <gtk/gtksignal.h>
+#include <gtk/gtkmenuitem.h>
+#include <gtk/gtkmenu.h>
+#include <gtk/gtkcontainer.h>
+
+static void gtk_pixmap_menu_item_class_init (GtkPixmapMenuItemClass *klass);
+static void gtk_pixmap_menu_item_init (GtkPixmapMenuItem *menu_item);
+static void gtk_pixmap_menu_item_draw (GtkWidget *widget,
+ GdkRectangle *area);
+static gint gtk_pixmap_menu_item_expose (GtkWidget *widget,
+ GdkEventExpose *event);
+
+/* we must override the following functions */
+
+static void gtk_pixmap_menu_item_map (GtkWidget *widget);
+static void gtk_pixmap_menu_item_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation);
+static void gtk_pixmap_menu_item_forall (GtkContainer *container,
+ gboolean include_internals,
+ GtkCallback callback,
+ gpointer callback_data);
+static void gtk_pixmap_menu_item_size_request (GtkWidget *widget,
+ GtkRequisition *requisition);
+static void gtk_pixmap_menu_item_remove (GtkContainer *container,
+ GtkWidget *child);
+
+static void changed_have_pixmap_status (GtkPixmapMenuItem *menu_item);
+
+static GtkMenuItemClass *parent_class = NULL;
+
+#define BORDER_SPACING 3
+#define PMAP_WIDTH 20
+
+GtkType
+gtk_pixmap_menu_item_get_type (void)
+{
+ static GtkType pixmap_menu_item_type = 0;
+
+ if (!pixmap_menu_item_type)
+ {
+ GtkTypeInfo pixmap_menu_item_info =
+ {
+ "GtkPixmapMenuItem",
+ sizeof (GtkPixmapMenuItem),
+ sizeof (GtkPixmapMenuItemClass),
+ (GtkClassInitFunc) gtk_pixmap_menu_item_class_init,
+ (GtkObjectInitFunc) gtk_pixmap_menu_item_init,
+ /* reserved_1 */ NULL,
+ /* reserved_2 */ NULL,
+ (GtkClassInitFunc) NULL,
+ };
+
+ pixmap_menu_item_type = gtk_type_unique (gtk_menu_item_get_type (),
+ &pixmap_menu_item_info);
+ }
+
+ return pixmap_menu_item_type;
+}
+
+/**
+ * gtk_pixmap_menu_item_new
+ *
+ * Creates a new pixmap menu item. Use gtk_pixmap_menu_item_set_pixmap()
+ * to set the pixmap wich is displayed at the left side.
+ *
+ * Returns:
+ * &GtkWidget pointer to new menu item
+ **/
+
+GtkWidget*
+gtk_pixmap_menu_item_new (void)
+{
+ return GTK_WIDGET (gtk_type_new (gtk_pixmap_menu_item_get_type ()));
+}
+
+static void
+gtk_pixmap_menu_item_class_init (GtkPixmapMenuItemClass *klass)
+{
+ GtkObjectClass *object_class;
+ GtkWidgetClass *widget_class;
+ GtkMenuItemClass *menu_item_class;
+ GtkContainerClass *container_class;
+
+ object_class = (GtkObjectClass*) klass;
+ widget_class = (GtkWidgetClass*) klass;
+ menu_item_class = (GtkMenuItemClass*) klass;
+ container_class = (GtkContainerClass*) klass;
+
+ parent_class = (GtkMenuItemClass*) gtk_type_class (gtk_menu_item_get_type ());
+
+ widget_class->draw = gtk_pixmap_menu_item_draw;
+ widget_class->expose_event = gtk_pixmap_menu_item_expose;
+ widget_class->map = gtk_pixmap_menu_item_map;
+ widget_class->size_allocate = gtk_pixmap_menu_item_size_allocate;
+ widget_class->size_request = gtk_pixmap_menu_item_size_request;
+
+ container_class->forall = gtk_pixmap_menu_item_forall;
+ container_class->remove = gtk_pixmap_menu_item_remove;
+
+ klass->orig_toggle_size = menu_item_class->toggle_size;
+ klass->have_pixmap_count = 0;
+}
+
+static void
+gtk_pixmap_menu_item_init (GtkPixmapMenuItem *menu_item)
+{
+ GtkMenuItem *mi;
+
+ mi = GTK_MENU_ITEM (menu_item);
+
+ menu_item->pixmap = NULL;
+}
+
+static void
+gtk_pixmap_menu_item_draw (GtkWidget *widget,
+ GdkRectangle *area)
+{
+ g_return_if_fail (widget != NULL);
+ g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (widget));
+ g_return_if_fail (area != NULL);
+
+ if (GTK_WIDGET_CLASS (parent_class)->draw)
+ (* GTK_WIDGET_CLASS (parent_class)->draw) (widget, area);
+
+ if (GTK_WIDGET_DRAWABLE (widget) &&
+ GTK_PIXMAP_MENU_ITEM(widget)->pixmap) {
+ gtk_widget_draw(GTK_WIDGET(GTK_PIXMAP_MENU_ITEM(widget)->pixmap),NULL);
+ }
+}
+
+static gint
+gtk_pixmap_menu_item_expose (GtkWidget *widget,
+ GdkEventExpose *event)
+{
+ g_return_val_if_fail (widget != NULL, FALSE);
+ g_return_val_if_fail (GTK_IS_PIXMAP_MENU_ITEM (widget), FALSE);
+ g_return_val_if_fail (event != NULL, FALSE);
+
+ if (GTK_WIDGET_CLASS (parent_class)->expose_event)
+ (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
+
+ if (GTK_WIDGET_DRAWABLE (widget) &&
+ GTK_PIXMAP_MENU_ITEM(widget)->pixmap) {
+ gtk_widget_draw(GTK_WIDGET(GTK_PIXMAP_MENU_ITEM(widget)->pixmap),NULL);
+ }
+
+ return FALSE;
+}
+
+/**
+ * gtk_pixmap_menu_item_set_pixmap
+ * @menu_item: Pointer to the pixmap menu item
+ * @pixmap: Pointer to a pixmap widget
+ *
+ * Set the pixmap of the menu item.
+ *
+ **/
+
+void
+gtk_pixmap_menu_item_set_pixmap (GtkPixmapMenuItem *menu_item,
+ GtkWidget *pixmap)
+{
+ g_return_if_fail (menu_item != NULL);
+ g_return_if_fail (pixmap != NULL);
+ g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (menu_item));
+ g_return_if_fail (GTK_IS_WIDGET (pixmap));
+ g_return_if_fail (menu_item->pixmap == NULL);
+
+ gtk_widget_set_parent (pixmap, GTK_WIDGET (menu_item));
+ menu_item->pixmap = pixmap;
+
+ if (GTK_WIDGET_REALIZED (pixmap->parent) &&
+ !GTK_WIDGET_REALIZED (pixmap))
+ gtk_widget_realize (pixmap);
+
+ if (GTK_WIDGET_VISIBLE (pixmap->parent)) {
+ if (GTK_WIDGET_MAPPED (pixmap->parent) &&
+ GTK_WIDGET_VISIBLE(pixmap) &&
+ !GTK_WIDGET_MAPPED (pixmap))
+ gtk_widget_map (pixmap);
+ }
+
+ changed_have_pixmap_status(menu_item);
+
+ if (GTK_WIDGET_VISIBLE (pixmap) && GTK_WIDGET_VISIBLE (menu_item))
+ gtk_widget_queue_resize (pixmap);
+}
+
+static void
+gtk_pixmap_menu_item_map (GtkWidget *widget)
+{
+ GtkPixmapMenuItem *menu_item;
+
+ g_return_if_fail (widget != NULL);
+ g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (widget));
+
+ menu_item = GTK_PIXMAP_MENU_ITEM(widget);
+
+ GTK_WIDGET_CLASS(parent_class)->map(widget);
+
+ if (menu_item->pixmap &&
+ GTK_WIDGET_VISIBLE (menu_item->pixmap) &&
+ !GTK_WIDGET_MAPPED (menu_item->pixmap))
+ gtk_widget_map (menu_item->pixmap);
+}
+
+static void
+gtk_pixmap_menu_item_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation)
+{
+ GtkPixmapMenuItem *pmenu_item;
+
+ pmenu_item = GTK_PIXMAP_MENU_ITEM(widget);
+
+ if (pmenu_item->pixmap && GTK_WIDGET_VISIBLE(pmenu_item))
+ {
+ GtkAllocation child_allocation;
+ int border_width;
+
+ border_width = GTK_CONTAINER (widget)->border_width;
+
+ child_allocation.width = pmenu_item->pixmap->requisition.width;
+ child_allocation.height = pmenu_item->pixmap->requisition.height;
+ child_allocation.x = border_width + BORDER_SPACING;
+ child_allocation.y = (border_width + BORDER_SPACING
+ + (((allocation->height - child_allocation.height) - child_allocation.x)
+ / 2)); /* center pixmaps vertically */
+ gtk_widget_size_allocate (pmenu_item->pixmap, &child_allocation);
+ }
+
+ if (GTK_WIDGET_CLASS (parent_class)->size_allocate)
+ GTK_WIDGET_CLASS(parent_class)->size_allocate (widget, allocation);
+}
+
+static void
+gtk_pixmap_menu_item_forall (GtkContainer *container,
+ gboolean include_internals,
+ GtkCallback callback,
+ gpointer callback_data)
+{
+ GtkPixmapMenuItem *menu_item;
+
+ g_return_if_fail (container != NULL);
+ g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (container));
+ g_return_if_fail (callback != NULL);
+
+ menu_item = GTK_PIXMAP_MENU_ITEM (container);
+
+ if (menu_item->pixmap)
+ (* callback) (menu_item->pixmap, callback_data);
+
+ GTK_CONTAINER_CLASS(parent_class)->forall(container,include_internals,
+ callback,callback_data);
+}
+
+static void
+gtk_pixmap_menu_item_size_request (GtkWidget *widget,
+ GtkRequisition *requisition)
+{
+ GtkPixmapMenuItem *menu_item;
+ GtkRequisition req = {0, 0};
+
+ g_return_if_fail (widget != NULL);
+ g_return_if_fail (GTK_IS_MENU_ITEM (widget));
+ g_return_if_fail (requisition != NULL);
+
+ GTK_WIDGET_CLASS(parent_class)->size_request(widget,requisition);
+
+ menu_item = GTK_PIXMAP_MENU_ITEM (widget);
+
+ if (menu_item->pixmap)
+ gtk_widget_size_request(menu_item->pixmap, &req);
+
+ requisition->height = MAX(req.height + GTK_CONTAINER(widget)->border_width + BORDER_SPACING, (unsigned int) requisition->height);
+ requisition->width += (req.width + GTK_CONTAINER(widget)->border_width + BORDER_SPACING);
+}
+
+static void
+gtk_pixmap_menu_item_remove (GtkContainer *container,
+ GtkWidget *child)
+{
+ GtkBin *bin;
+ gboolean widget_was_visible;
+
+ g_return_if_fail (container != NULL);
+ g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (container));
+ g_return_if_fail (child != NULL);
+ g_return_if_fail (GTK_IS_WIDGET (child));
+
+ bin = GTK_BIN (container);
+ g_return_if_fail ((bin->child == child ||
+ (GTK_PIXMAP_MENU_ITEM(container)->pixmap == child)));
+
+ widget_was_visible = GTK_WIDGET_VISIBLE (child);
+
+ gtk_widget_unparent (child);
+ if (bin->child == child)
+ bin->child = NULL;
+ else {
+ GTK_PIXMAP_MENU_ITEM(container)->pixmap = NULL;
+ changed_have_pixmap_status(GTK_PIXMAP_MENU_ITEM(container));
+ }
+
+ if (widget_was_visible)
+ gtk_widget_queue_resize (GTK_WIDGET (container));
+}
+
+
+/* important to only call this if there was actually a _change_ in pixmap == NULL */
+static void
+changed_have_pixmap_status (GtkPixmapMenuItem *menu_item)
+{
+ if (menu_item->pixmap != NULL) {
+ GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count += 1;
+
+ if (GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count == 1) {
+ /* Install pixmap toggle size */
+ GTK_MENU_ITEM_GET_CLASS(menu_item)->toggle_size = MAX(GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->orig_toggle_size, PMAP_WIDTH);
+ }
+ } else {
+ GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count -= 1;
+
+ if (GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count == 0) {
+ /* Install normal toggle size */
+ GTK_MENU_ITEM_GET_CLASS(menu_item)->toggle_size = GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->orig_toggle_size;
+ }
+ }
+
+ /* Note that we actually need to do this for _all_ GtkPixmapMenuItem
+ whenever the klass->toggle_size changes; but by doing it anytime
+ this function is called, we get the same effect, just because of
+ how the preferences option to show pixmaps works. Bogus, broken.
+ */
+ if (GTK_WIDGET_VISIBLE(GTK_WIDGET(menu_item)))
+ gtk_widget_queue_resize(GTK_WIDGET(menu_item));
+}
+
+
projects / wxWidgets.git / blobdiff