1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 2001 Red Hat, Inc.
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
21 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
22 * file for a list of people on the GTK+ Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
27 #include "gtkimagemenuitem.h"
28 #include "gtkaccellabel.h"
29 #include "gtksignal.h"
32 #include "gtkiconfactory.h"
35 static void gtk_image_menu_item_class_init (GtkImageMenuItemClass *klass);
36 static void gtk_image_menu_item_init (GtkImageMenuItem *image_menu_item);
37 static void gtk_image_menu_item_size_request (GtkWidget *widget,
38 GtkRequisition *requisition);
39 static void gtk_image_menu_item_size_allocate (GtkWidget *widget,
40 GtkAllocation *allocation);
41 static void gtk_image_menu_item_remove (GtkContainer *container,
43 static void gtk_image_menu_item_toggle_size_request (GtkMenuItem *menu_item,
46 static void gtk_image_menu_item_map (GtkWidget *widget);
47 static void gtk_image_menu_item_unmap (GtkWidget *widget);
48 static void gtk_image_menu_item_forall (GtkContainer *container,
49 gboolean include_internals,
51 gpointer callback_data);
53 static void gtk_image_menu_item_set_property (GObject *object,
57 static void gtk_image_menu_item_get_property (GObject *object,
68 static GtkMenuItemClass *parent_class = NULL;
71 gtk_image_menu_item_get_type (void)
73 static GtkType image_menu_item_type = 0;
75 if (!image_menu_item_type)
77 static const GtkTypeInfo image_menu_item_info =
80 sizeof (GtkImageMenuItem),
81 sizeof (GtkImageMenuItemClass),
82 (GtkClassInitFunc) gtk_image_menu_item_class_init,
83 (GtkObjectInitFunc) gtk_image_menu_item_init,
84 /* reserved_1 */ NULL,
85 /* reserved_2 */ NULL,
86 (GtkClassInitFunc) NULL,
89 image_menu_item_type = gtk_type_unique (GTK_TYPE_MENU_ITEM, &image_menu_item_info);
92 return image_menu_item_type;
96 gtk_image_menu_item_class_init (GtkImageMenuItemClass *klass)
98 GObjectClass *gobject_class;
99 GtkObjectClass *object_class;
100 GtkWidgetClass *widget_class;
101 GtkMenuItemClass *menu_item_class;
102 GtkContainerClass *container_class;
104 gobject_class = (GObjectClass*) klass;
105 object_class = (GtkObjectClass*) klass;
106 widget_class = (GtkWidgetClass*) klass;
107 menu_item_class = (GtkMenuItemClass*) klass;
108 container_class = (GtkContainerClass*) klass;
110 parent_class = gtk_type_class (GTK_TYPE_MENU_ITEM);
112 widget_class->size_request = gtk_image_menu_item_size_request;
113 widget_class->size_allocate = gtk_image_menu_item_size_allocate;
114 widget_class->map = gtk_image_menu_item_map;
115 widget_class->unmap = gtk_image_menu_item_unmap;
117 container_class->forall = gtk_image_menu_item_forall;
118 container_class->remove = gtk_image_menu_item_remove;
120 menu_item_class->toggle_size_request = gtk_image_menu_item_toggle_size_request;
122 gobject_class->set_property = gtk_image_menu_item_set_property;
123 gobject_class->get_property = gtk_image_menu_item_get_property;
125 g_object_class_install_property (gobject_class,
127 g_param_spec_object ("image",
129 _("Child widget to appear next to the menu text"),
131 G_PARAM_READABLE | G_PARAM_WRITABLE));
135 gtk_image_menu_item_init (GtkImageMenuItem *image_menu_item)
137 image_menu_item->image = NULL;
141 gtk_image_menu_item_set_property (GObject *object,
146 GtkImageMenuItem *image_menu_item = GTK_IMAGE_MENU_ITEM (object);
154 image = (GtkWidget*) g_value_get_object (value);
156 gtk_image_menu_item_set_image (image_menu_item, image);
160 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
165 gtk_image_menu_item_get_property (GObject *object,
170 GtkImageMenuItem *image_menu_item = GTK_IMAGE_MENU_ITEM (object);
175 g_value_set_object (value,
176 (GObject*) image_menu_item->image);
179 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
186 gtk_image_menu_item_toggle_size_request (GtkMenuItem *menu_item,
189 GtkImageMenuItem *image_menu_item;
191 g_return_if_fail (GTK_IS_IMAGE_MENU_ITEM (menu_item));
193 image_menu_item = GTK_IMAGE_MENU_ITEM (menu_item);
195 if (image_menu_item->image)
196 *requisition = image_menu_item->image->requisition.width;
203 gtk_image_menu_item_size_request (GtkWidget *widget,
204 GtkRequisition *requisition)
206 GtkImageMenuItem *image_menu_item;
207 gint child_height = 0;
209 image_menu_item = GTK_IMAGE_MENU_ITEM (widget);
211 if (image_menu_item->image && GTK_WIDGET_VISIBLE (image_menu_item->image))
213 GtkRequisition child_requisition;
215 gtk_widget_size_request (image_menu_item->image,
218 child_height = child_requisition.height;
221 (* GTK_WIDGET_CLASS (parent_class)->size_request) (widget, requisition);
223 /* not done with height since that happens via the
224 * toggle_size_request
226 requisition->height = MAX (requisition->height, child_height);
228 /* Note that GtkMenuShell always size requests before
229 * toggle_size_request, so toggle_size_request will be able to use
230 * image_menu_item->image->requisition
235 gtk_image_menu_item_size_allocate (GtkWidget *widget,
236 GtkAllocation *allocation)
238 GtkImageMenuItem *image_menu_item;
240 image_menu_item = GTK_IMAGE_MENU_ITEM (widget);
242 (* GTK_WIDGET_CLASS (parent_class)->size_allocate) (widget, allocation);
244 if (image_menu_item->image)
246 gint width, height, x, y;
247 GtkAllocation child_allocation;
249 /* Man this is lame hardcoding action, but I can't
250 * come up with a solution that's really better.
253 width = image_menu_item->image->requisition.width;
254 height = image_menu_item->image->requisition.height;
256 x = (GTK_CONTAINER (image_menu_item)->border_width +
257 widget->style->xthickness) +
258 (GTK_MENU_ITEM (image_menu_item)->toggle_size - width) / 2;
259 y = (widget->allocation.height - height) / 2;
261 child_allocation.width = width;
262 child_allocation.height = height;
263 child_allocation.x = MAX (x, 0);
264 child_allocation.y = MAX (y, 0);
266 gtk_widget_size_allocate (image_menu_item->image, &child_allocation);
271 gtk_image_menu_item_map (GtkWidget *widget)
273 GtkImageMenuItem *image_menu_item;
275 g_return_if_fail (GTK_IS_IMAGE_MENU_ITEM (widget));
277 image_menu_item = GTK_IMAGE_MENU_ITEM (widget);
279 (* GTK_WIDGET_CLASS (parent_class)->map) (widget);
281 if (image_menu_item->image &&
282 GTK_WIDGET_VISIBLE (image_menu_item->image) &&
283 !GTK_WIDGET_MAPPED (image_menu_item->image))
284 gtk_widget_map (image_menu_item->image);
286 if (!GTK_WIDGET_NO_WINDOW (widget))
287 gdk_window_show (widget->window);
291 gtk_image_menu_item_unmap (GtkWidget *widget)
293 GtkImageMenuItem *image_menu_item;
295 g_return_if_fail (GTK_IS_IMAGE_MENU_ITEM (widget));
297 image_menu_item = GTK_IMAGE_MENU_ITEM (widget);
299 (* GTK_WIDGET_CLASS (parent_class)->unmap) (widget);
301 if (!GTK_WIDGET_NO_WINDOW (widget))
302 gdk_window_hide (widget->window);
304 if (image_menu_item->image && GTK_WIDGET_MAPPED (image_menu_item->image))
305 gtk_widget_unmap (image_menu_item->image);
309 gtk_image_menu_item_forall (GtkContainer *container,
310 gboolean include_internals,
311 GtkCallback callback,
312 gpointer callback_data)
314 GtkImageMenuItem *image_menu_item;
316 g_return_if_fail (GTK_IS_IMAGE_MENU_ITEM (container));
318 image_menu_item = GTK_IMAGE_MENU_ITEM (container);
320 (* GTK_CONTAINER_CLASS (parent_class)->forall) (container,
325 if (image_menu_item->image)
326 (* callback) (image_menu_item->image, callback_data);
330 gtk_image_menu_item_new (void)
332 return g_object_new (GTK_TYPE_IMAGE_MENU_ITEM, NULL);
336 gtk_image_menu_item_new_with_label (const gchar *label)
338 GtkImageMenuItem *image_menu_item;
339 GtkWidget *accel_label;
341 image_menu_item = GTK_IMAGE_MENU_ITEM (g_object_new (GTK_TYPE_IMAGE_MENU_ITEM,
344 accel_label = gtk_accel_label_new (label);
345 gtk_misc_set_alignment (GTK_MISC (accel_label), 0.0, 0.5);
347 gtk_container_add (GTK_CONTAINER (image_menu_item), accel_label);
348 gtk_accel_label_set_accel_widget (GTK_ACCEL_LABEL (accel_label),
349 GTK_WIDGET (image_menu_item));
350 gtk_widget_show (accel_label);
352 return GTK_WIDGET(image_menu_item);
357 * gtk_image_menu_item_new_with_mnemonic:
358 * @label: The text of the button, with an underscore in front of the
360 * @returns: a new #GtkImageMenuItem
362 * Creates a new #GtkImageMenuItem containing a label. The label
363 * will be created using gtk_label_new_with_mnemonic(), so underscores
364 * in @label indicate the mnemonic for the menu item.
367 gtk_image_menu_item_new_with_mnemonic (const gchar *label)
369 GtkImageMenuItem *image_menu_item;
370 GtkWidget *accel_label;
372 image_menu_item = GTK_IMAGE_MENU_ITEM (g_object_new (GTK_TYPE_IMAGE_MENU_ITEM,
375 accel_label = gtk_type_new (GTK_TYPE_ACCEL_LABEL);
376 gtk_label_set_text_with_mnemonic (GTK_LABEL (accel_label), label);
377 gtk_misc_set_alignment (GTK_MISC (accel_label), 0.0, 0.5);
379 gtk_container_add (GTK_CONTAINER (image_menu_item), accel_label);
380 gtk_accel_label_set_accel_widget (GTK_ACCEL_LABEL (accel_label),
381 GTK_WIDGET (image_menu_item));
382 gtk_widget_show (accel_label);
384 return GTK_WIDGET(image_menu_item);
388 gtk_image_menu_item_new_from_stock (const gchar *stock_id,
389 GtkAccelGroup *accel_group)
392 GtkStockItem stock_item;
395 g_return_val_if_fail (stock_id != NULL, NULL);
397 image = gtk_image_new_from_stock (stock_id, GTK_ICON_SIZE_MENU);
399 if (gtk_stock_lookup (stock_id, &stock_item))
401 item = gtk_image_menu_item_new_with_mnemonic (stock_item.label);
403 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
405 if (stock_item.keyval && accel_group)
406 gtk_widget_add_accelerator (item,
415 item = gtk_image_menu_item_new_with_label (stock_id);
417 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
420 gtk_widget_show (image);
425 gtk_image_menu_item_set_image (GtkImageMenuItem *image_menu_item,
428 g_return_if_fail (GTK_IS_IMAGE_MENU_ITEM (image_menu_item));
430 if (image == image_menu_item->image)
433 if (image_menu_item->image)
434 gtk_container_remove (GTK_CONTAINER (image_menu_item),
435 image_menu_item->image);
437 image_menu_item->image = image;
442 gtk_widget_set_parent (image, GTK_WIDGET (image_menu_item));
444 g_object_notify (G_OBJECT (image_menu_item), "image");
446 if (GTK_WIDGET_REALIZED (image->parent))
447 gtk_widget_realize (image);
449 if (GTK_WIDGET_VISIBLE (image->parent) && GTK_WIDGET_VISIBLE (image))
451 if (GTK_WIDGET_MAPPED (image->parent))
452 gtk_widget_map (image);
454 gtk_widget_queue_resize (image);
459 gtk_image_menu_item_get_image (GtkImageMenuItem *image_menu_item)
461 g_return_val_if_fail (GTK_IS_IMAGE_MENU_ITEM (image_menu_item), NULL);
463 return image_menu_item->image;
467 gtk_image_menu_item_remove (GtkContainer *container,
470 GtkImageMenuItem *image_menu_item;
472 image_menu_item = GTK_IMAGE_MENU_ITEM (container);
474 if (child == image_menu_item->image)
476 gboolean widget_was_visible;
478 widget_was_visible = GTK_WIDGET_VISIBLE (child);
480 gtk_widget_unparent (child);
481 image_menu_item->image = NULL;
483 if (GTK_WIDGET_VISIBLE (container) && widget_was_visible)
484 gtk_widget_queue_resize (GTK_WIDGET (container));
486 g_object_notify (G_OBJECT (image_menu_item), "image");
490 (* GTK_CONTAINER_CLASS (parent_class)->remove) (container, child);