1 /* GTK - The GIMP Toolkit
3 * Copyright (C) 2003 Ricardo Fernandez Pascual
4 * Copyright (C) 2004 Paolo Borelli
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
24 #include "gtkmenutoolbutton.h"
25 #include "gtktogglebutton.h"
31 #include "gtkprivate.h"
35 #define GTK_MENU_TOOL_BUTTON_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), GTK_TYPE_MENU_TOOL_BUTTON, GtkMenuToolButtonPrivate))
37 struct _GtkMenuToolButtonPrivate
41 GtkWidget *arrow_button;
46 static void gtk_menu_tool_button_destroy (GtkObject *object);
48 static int menu_deactivate_cb (GtkMenuShell *menu_shell,
49 GtkMenuToolButton *button);
63 static gint signals[LAST_SIGNAL];
65 G_DEFINE_TYPE (GtkMenuToolButton, gtk_menu_tool_button, GTK_TYPE_TOOL_BUTTON)
68 gtk_menu_tool_button_construct_contents (GtkMenuToolButton *button)
70 GtkMenuToolButtonPrivate *priv = button->priv;
72 GtkOrientation orientation;
74 orientation = gtk_tool_item_get_orientation (GTK_TOOL_ITEM (button));
76 if (orientation == GTK_ORIENTATION_HORIZONTAL)
78 box = gtk_hbox_new (FALSE, 0);
79 gtk_arrow_set (GTK_ARROW (priv->arrow), GTK_ARROW_DOWN, GTK_SHADOW_NONE);
83 box = gtk_vbox_new (FALSE, 0);
84 gtk_arrow_set (GTK_ARROW (priv->arrow), GTK_ARROW_RIGHT, GTK_SHADOW_NONE);
87 if (priv->button && priv->button->parent)
89 g_object_ref (priv->button);
90 gtk_container_remove (GTK_CONTAINER (priv->button->parent),
92 gtk_container_add (GTK_CONTAINER (box), priv->button);
93 g_object_unref (priv->button);
96 if (priv->arrow_button && priv->arrow_button->parent)
98 g_object_ref (priv->arrow_button);
99 gtk_container_remove (GTK_CONTAINER (priv->arrow_button->parent),
101 gtk_box_pack_end (GTK_BOX (box), priv->arrow_button,
103 g_object_unref (priv->arrow_button);
110 /* Transfer a possible tooltip to the new box */
111 g_object_get (priv->box, "tooltip-markup", &tmp, NULL);
115 g_object_set (box, "tooltip-markup", tmp, NULL);
119 /* Note: we are not destroying the button and the arrow_button
120 * here because they were removed from their container above
122 gtk_widget_destroy (priv->box);
127 gtk_container_add (GTK_CONTAINER (button), priv->box);
128 gtk_widget_show_all (priv->box);
130 gtk_button_set_relief (GTK_BUTTON (priv->arrow_button),
131 gtk_tool_item_get_relief_style (GTK_TOOL_ITEM (button)));
133 gtk_widget_queue_resize (GTK_WIDGET (button));
137 gtk_menu_tool_button_toolbar_reconfigured (GtkToolItem *toolitem)
139 gtk_menu_tool_button_construct_contents (GTK_MENU_TOOL_BUTTON (toolitem));
142 GTK_TOOL_ITEM_CLASS (gtk_menu_tool_button_parent_class)->toolbar_reconfigured (toolitem);
146 gtk_menu_tool_button_state_changed (GtkWidget *widget,
147 GtkStateType previous_state)
149 GtkMenuToolButton *button = GTK_MENU_TOOL_BUTTON (widget);
150 GtkMenuToolButtonPrivate *priv = button->priv;
152 if (!gtk_widget_is_sensitive (widget) && priv->menu)
154 gtk_menu_shell_deactivate (GTK_MENU_SHELL (priv->menu));
159 gtk_menu_tool_button_set_property (GObject *object,
164 GtkMenuToolButton *button = GTK_MENU_TOOL_BUTTON (object);
169 gtk_menu_tool_button_set_menu (button, g_value_get_object (value));
173 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
179 gtk_menu_tool_button_get_property (GObject *object,
184 GtkMenuToolButton *button = GTK_MENU_TOOL_BUTTON (object);
189 g_value_set_object (value, button->priv->menu);
193 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
199 gtk_menu_tool_button_class_init (GtkMenuToolButtonClass *klass)
201 GObjectClass *object_class;
202 GtkObjectClass *gtk_object_class;
203 GtkWidgetClass *widget_class;
204 GtkToolItemClass *toolitem_class;
206 object_class = (GObjectClass *)klass;
207 gtk_object_class = (GtkObjectClass *)klass;
208 widget_class = (GtkWidgetClass *)klass;
209 toolitem_class = (GtkToolItemClass *)klass;
211 object_class->set_property = gtk_menu_tool_button_set_property;
212 object_class->get_property = gtk_menu_tool_button_get_property;
213 gtk_object_class->destroy = gtk_menu_tool_button_destroy;
214 widget_class->state_changed = gtk_menu_tool_button_state_changed;
215 toolitem_class->toolbar_reconfigured = gtk_menu_tool_button_toolbar_reconfigured;
218 * GtkMenuToolButton::show-menu:
219 * @button: the object on which the signal is emitted
221 * The ::show-menu signal is emitted before the menu is shown.
223 * It can be used to populate the menu on demand, using
224 * gtk_menu_tool_button_get_menu().
226 * Note that even if you populate the menu dynamically in this way,
227 * you must set an empty menu on the #GtkMenuToolButton beforehand,
228 * since the arrow is made insensitive if the menu is not set.
231 g_signal_new (I_("show-menu"),
232 G_OBJECT_CLASS_TYPE (klass),
234 G_STRUCT_OFFSET (GtkMenuToolButtonClass, show_menu),
236 g_cclosure_marshal_VOID__VOID,
239 g_object_class_install_property (object_class,
241 g_param_spec_object ("menu",
243 P_("The dropdown menu"),
245 GTK_PARAM_READWRITE));
247 g_type_class_add_private (object_class, sizeof (GtkMenuToolButtonPrivate));
251 menu_position_func (GtkMenu *menu,
255 GtkMenuToolButton *button)
257 GtkMenuToolButtonPrivate *priv = button->priv;
258 GtkWidget *widget = GTK_WIDGET (button);
260 GtkRequisition menu_req;
261 GtkOrientation orientation;
262 GtkTextDirection direction;
263 GdkRectangle monitor;
267 gtk_widget_size_request (GTK_WIDGET (priv->menu), &menu_req);
269 orientation = gtk_tool_item_get_orientation (GTK_TOOL_ITEM (button));
270 direction = gtk_widget_get_direction (widget);
272 screen = gtk_widget_get_screen (GTK_WIDGET (menu));
273 monitor_num = gdk_screen_get_monitor_at_window (screen, widget->window);
276 gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor);
278 if (orientation == GTK_ORIENTATION_HORIZONTAL)
280 gdk_window_get_origin (widget->window, x, y);
281 *x += widget->allocation.x;
282 *y += widget->allocation.y;
284 if (direction == GTK_TEXT_DIR_LTR)
285 *x += MAX (widget->allocation.width - menu_req.width, 0);
286 else if (menu_req.width > widget->allocation.width)
287 *x -= menu_req.width - widget->allocation.width;
289 if ((*y + priv->arrow_button->allocation.height + menu_req.height) <= monitor.y + monitor.height)
290 *y += priv->arrow_button->allocation.height;
291 else if ((*y - menu_req.height) >= monitor.y)
292 *y -= menu_req.height;
293 else if (monitor.y + monitor.height - (*y + priv->arrow_button->allocation.height) > *y)
294 *y += priv->arrow_button->allocation.height;
296 *y -= menu_req.height;
300 gdk_window_get_origin (GTK_BUTTON (priv->arrow_button)->event_window, x, y);
301 gtk_widget_size_request (priv->arrow_button, &req);
303 if (direction == GTK_TEXT_DIR_LTR)
304 *x += priv->arrow_button->allocation.width;
306 *x -= menu_req.width;
308 if (*y + menu_req.height > monitor.y + monitor.height &&
309 *y + priv->arrow_button->allocation.height - monitor.y > monitor.y + monitor.height - *y)
310 *y += priv->arrow_button->allocation.height - menu_req.height;
317 popup_menu_under_arrow (GtkMenuToolButton *button,
318 GdkEventButton *event)
320 GtkMenuToolButtonPrivate *priv = button->priv;
322 g_signal_emit (button, signals[SHOW_MENU], 0);
327 gtk_menu_popup (priv->menu, NULL, NULL,
328 (GtkMenuPositionFunc) menu_position_func,
330 event ? event->button : 0,
331 event ? event->time : gtk_get_current_event_time ());
335 arrow_button_toggled_cb (GtkToggleButton *togglebutton,
336 GtkMenuToolButton *button)
338 GtkMenuToolButtonPrivate *priv = button->priv;
343 if (gtk_toggle_button_get_active (togglebutton) &&
344 !gtk_widget_get_visible (GTK_WIDGET (priv->menu)))
346 /* we get here only when the menu is activated by a key
347 * press, so that we can select the first menu item */
348 popup_menu_under_arrow (button, NULL);
349 gtk_menu_shell_select_first (GTK_MENU_SHELL (priv->menu), FALSE);
354 arrow_button_button_press_event_cb (GtkWidget *widget,
355 GdkEventButton *event,
356 GtkMenuToolButton *button)
358 if (event->button == 1)
360 popup_menu_under_arrow (button, event);
361 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (widget), TRUE);
372 gtk_menu_tool_button_init (GtkMenuToolButton *button)
376 GtkWidget *arrow_button;
377 GtkWidget *real_button;
379 button->priv = GTK_MENU_TOOL_BUTTON_GET_PRIVATE (button);
381 gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (button), FALSE);
383 box = gtk_hbox_new (FALSE, 0);
385 real_button = GTK_BIN (button)->child;
386 g_object_ref (real_button);
387 gtk_container_remove (GTK_CONTAINER (button), real_button);
388 gtk_container_add (GTK_CONTAINER (box), real_button);
389 g_object_unref (real_button);
391 arrow_button = gtk_toggle_button_new ();
392 arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_NONE);
393 gtk_container_add (GTK_CONTAINER (arrow_button), arrow);
394 gtk_box_pack_end (GTK_BOX (box), arrow_button,
397 /* the arrow button is insentive until we set a menu */
398 gtk_widget_set_sensitive (arrow_button, FALSE);
400 gtk_widget_show_all (box);
402 gtk_container_add (GTK_CONTAINER (button), box);
404 button->priv->button = real_button;
405 button->priv->arrow = arrow;
406 button->priv->arrow_button = arrow_button;
407 button->priv->box = box;
409 g_signal_connect (arrow_button, "toggled",
410 G_CALLBACK (arrow_button_toggled_cb), button);
411 g_signal_connect (arrow_button, "button-press-event",
412 G_CALLBACK (arrow_button_button_press_event_cb), button);
416 gtk_menu_tool_button_destroy (GtkObject *object)
418 GtkMenuToolButton *button;
420 button = GTK_MENU_TOOL_BUTTON (object);
422 if (button->priv->menu)
424 g_signal_handlers_disconnect_by_func (button->priv->menu,
427 gtk_menu_detach (button->priv->menu);
429 g_signal_handlers_disconnect_by_func (button->priv->arrow_button,
430 arrow_button_toggled_cb,
432 g_signal_handlers_disconnect_by_func (button->priv->arrow_button,
433 arrow_button_button_press_event_cb,
437 GTK_OBJECT_CLASS (gtk_menu_tool_button_parent_class)->destroy (object);
441 * gtk_menu_tool_button_new:
442 * @icon_widget: (allow-none): a widget that will be used as icon widget, or %NULL
443 * @label: (allow-none): a string that will be used as label, or %NULL
445 * Creates a new #GtkMenuToolButton using @icon_widget as icon and
448 * Return value: the new #GtkMenuToolButton
453 gtk_menu_tool_button_new (GtkWidget *icon_widget,
456 GtkMenuToolButton *button;
458 button = g_object_new (GTK_TYPE_MENU_TOOL_BUTTON, NULL);
461 gtk_tool_button_set_label (GTK_TOOL_BUTTON (button), label);
464 gtk_tool_button_set_icon_widget (GTK_TOOL_BUTTON (button), icon_widget);
466 return GTK_TOOL_ITEM (button);
470 * gtk_menu_tool_button_new_from_stock:
471 * @stock_id: the name of a stock item
473 * Creates a new #GtkMenuToolButton.
474 * The new #GtkMenuToolButton will contain an icon and label from
475 * the stock item indicated by @stock_id.
477 * Return value: the new #GtkMenuToolButton
482 gtk_menu_tool_button_new_from_stock (const gchar *stock_id)
484 GtkMenuToolButton *button;
486 g_return_val_if_fail (stock_id != NULL, NULL);
488 button = g_object_new (GTK_TYPE_MENU_TOOL_BUTTON,
489 "stock-id", stock_id,
492 return GTK_TOOL_ITEM (button);
495 /* Callback for the "deactivate" signal on the pop-up menu.
496 * This is used so that we unset the state of the toggle button
497 * when the pop-up menu disappears.
500 menu_deactivate_cb (GtkMenuShell *menu_shell,
501 GtkMenuToolButton *button)
503 GtkMenuToolButtonPrivate *priv = button->priv;
505 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->arrow_button), FALSE);
511 menu_detacher (GtkWidget *widget,
514 GtkMenuToolButtonPrivate *priv = GTK_MENU_TOOL_BUTTON (widget)->priv;
516 g_return_if_fail (priv->menu == menu);
522 * gtk_menu_tool_button_set_menu:
523 * @button: a #GtkMenuToolButton
524 * @menu: the #GtkMenu associated with #GtkMenuToolButton
526 * Sets the #GtkMenu that is popped up when the user clicks on the arrow.
527 * If @menu is NULL, the arrow button becomes insensitive.
532 gtk_menu_tool_button_set_menu (GtkMenuToolButton *button,
535 GtkMenuToolButtonPrivate *priv;
537 g_return_if_fail (GTK_IS_MENU_TOOL_BUTTON (button));
538 g_return_if_fail (GTK_IS_MENU (menu) || menu == NULL);
542 if (priv->menu != GTK_MENU (menu))
544 if (priv->menu && gtk_widget_get_visible (GTK_WIDGET (priv->menu)))
545 gtk_menu_shell_deactivate (GTK_MENU_SHELL (priv->menu));
549 g_signal_handlers_disconnect_by_func (priv->menu,
552 gtk_menu_detach (priv->menu);
555 priv->menu = GTK_MENU (menu);
559 gtk_menu_attach_to_widget (priv->menu, GTK_WIDGET (button),
562 gtk_widget_set_sensitive (priv->arrow_button, TRUE);
564 g_signal_connect (priv->menu, "deactivate",
565 G_CALLBACK (menu_deactivate_cb), button);
568 gtk_widget_set_sensitive (priv->arrow_button, FALSE);
571 g_object_notify (G_OBJECT (button), "menu");
575 * gtk_menu_tool_button_get_menu:
576 * @button: a #GtkMenuToolButton
578 * Gets the #GtkMenu associated with #GtkMenuToolButton.
580 * Return value: the #GtkMenu associated with #GtkMenuToolButton
585 gtk_menu_tool_button_get_menu (GtkMenuToolButton *button)
587 g_return_val_if_fail (GTK_IS_MENU_TOOL_BUTTON (button), NULL);
589 return GTK_WIDGET (button->priv->menu);
593 * gtk_menu_tool_button_set_arrow_tooltip_text:
594 * @button: a #GtkMenuToolButton
595 * @text: text to be used as tooltip text for button's arrow button
597 * Sets the tooltip text to be used as tooltip for the arrow button which
598 * pops up the menu. See gtk_tool_item_set_tooltip_text() for setting a tooltip
599 * on the whole #GtkMenuToolButton.
604 gtk_menu_tool_button_set_arrow_tooltip_text (GtkMenuToolButton *button,
607 g_return_if_fail (GTK_IS_MENU_TOOL_BUTTON (button));
609 gtk_widget_set_tooltip_text (button->priv->arrow_button, text);
613 * gtk_menu_tool_button_set_arrow_tooltip_markup:
614 * @button: a #GtkMenuToolButton
615 * @markup: markup text to be used as tooltip text for button's arrow button
617 * Sets the tooltip markup text to be used as tooltip for the arrow button
618 * which pops up the menu. See gtk_tool_item_set_tooltip_text() for setting a
619 * tooltip on the whole #GtkMenuToolButton.
624 gtk_menu_tool_button_set_arrow_tooltip_markup (GtkMenuToolButton *button,
627 g_return_if_fail (GTK_IS_MENU_TOOL_BUTTON (button));
629 gtk_widget_set_tooltip_markup (button->priv->arrow_button, markup);