1 /* GTK - The GIMP Toolkit
3 * Copyright (C) 2010 Intel Corporation
4 * Copyright (C) 2010 RedHat, Inc.
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.
22 * Emmanuele Bassi <ebassi@linux.intel.com>
23 * Matthias Clasen <mclasen@redhat.com>
25 * Based on similar code from Mx.
30 * @Short_Description: A "light switch" style toggle
32 * @See_Also: #GtkToggleButton
34 * #GtkSwitch is a widget that has two states: on or off. The user can control
35 * which state should be active by clicking the empty area, or by dragging the
41 #include "gtkswitch.h"
43 #include "gtkaccessibleprivate.h"
44 #include "gtkactivatable.h"
47 #include "gtkprivate.h"
48 #include "gtktoggleaction.h"
49 #include "gtkwidget.h"
50 #include "gtkmarshalers.h"
53 #define DEFAULT_SLIDER_WIDTH (36)
54 #define DEFAULT_SLIDER_HEIGHT (22)
56 struct _GtkSwitchPrivate
58 GdkWindow *event_window;
67 guint is_dragging : 1;
70 guint use_action_appearance : 1;
78 PROP_USE_ACTION_APPEARANCE,
88 static guint signals[LAST_SIGNAL] = { 0 };
90 static GParamSpec *switch_props[LAST_PROP] = { NULL, };
92 static GType gtk_switch_accessible_factory_get_type (void);
94 static void gtk_switch_activatable_interface_init (GtkActivatableIface *iface);
96 G_DEFINE_TYPE_WITH_CODE (GtkSwitch, gtk_switch, GTK_TYPE_WIDGET,
97 G_IMPLEMENT_INTERFACE (GTK_TYPE_ACTIVATABLE,
98 gtk_switch_activatable_interface_init));
101 gtk_switch_button_press (GtkWidget *widget,
102 GdkEventButton *event)
104 GtkSwitchPrivate *priv = GTK_SWITCH (widget)->priv;
105 GtkAllocation allocation;
107 gtk_widget_get_allocation (widget, &allocation);
111 /* if the event occurred in the "off" area, then this
114 if (event->x <= allocation.width / 2)
116 priv->in_press = TRUE;
120 priv->offset = event->x - allocation.width / 2;
124 /* if the event occurred in the "on" area, then this
127 if (event->x >= allocation.width / 2)
129 priv->in_press = TRUE;
133 priv->offset = event->x;
136 priv->drag_start = event->x;
138 g_object_get (gtk_widget_get_settings (widget),
139 "gtk-dnd-drag-threshold", &priv->drag_threshold,
146 gtk_switch_motion (GtkWidget *widget,
147 GdkEventMotion *event)
149 GtkSwitchPrivate *priv = GTK_SWITCH (widget)->priv;
151 /* if this is a direct toggle we don't handle motion */
155 if (ABS (event->x - priv->drag_start) < priv->drag_threshold)
158 if (event->state & GDK_BUTTON1_MASK)
160 gint position = event->x - priv->offset;
161 GtkAllocation allocation;
162 GtkStyleContext *context;
166 context = gtk_widget_get_style_context (widget);
167 state = gtk_widget_get_state_flags (widget);
168 gtk_style_context_get_padding (context, state, &padding);
169 gtk_widget_get_allocation (widget, &allocation);
171 /* constrain the handle within the trough width */
172 if (position > (allocation.width / 2 - padding.right))
173 priv->handle_x = allocation.width / 2 - padding.right;
174 else if (position < padding.left)
175 priv->handle_x = padding.left;
177 priv->handle_x = position;
179 priv->is_dragging = TRUE;
181 /* we need to redraw the handle */
182 gtk_widget_queue_draw (widget);
191 gtk_switch_button_release (GtkWidget *widget,
192 GdkEventButton *event)
194 GtkSwitchPrivate *priv = GTK_SWITCH (widget)->priv;
195 GtkAllocation allocation;
197 gtk_widget_get_allocation (widget, &allocation);
199 /* dragged toggles have a "soft" grab, so we don't care whether we
200 * are in the switch or not when the button is released; we do care
201 * for direct toggles, instead
203 if (!priv->is_dragging && !priv->in_switch)
209 priv->in_press = FALSE;
210 gtk_switch_set_active (GTK_SWITCH (widget), !priv->is_active);
215 /* toggle the switch if the handle was clicked but a drag had not been
217 if (!priv->is_dragging && !priv->in_press)
219 gtk_switch_set_active (GTK_SWITCH (widget), !priv->is_active);
225 if (priv->is_dragging)
227 priv->is_dragging = FALSE;
229 /* if half the handle passed the middle of the switch, then we
230 * consider it to be on
232 if ((priv->handle_x + (allocation.width / 4)) >= (allocation.width / 2))
234 gtk_switch_set_active (GTK_SWITCH (widget), TRUE);
235 priv->handle_x = allocation.width / 2;
239 gtk_switch_set_active (GTK_SWITCH (widget), FALSE);
243 gtk_widget_queue_draw (widget);
252 gtk_switch_enter (GtkWidget *widget,
253 GdkEventCrossing *event)
255 GtkSwitchPrivate *priv = GTK_SWITCH (widget)->priv;
257 if (event->window == priv->event_window)
258 priv->in_switch = TRUE;
264 gtk_switch_leave (GtkWidget *widget,
265 GdkEventCrossing *event)
267 GtkSwitchPrivate *priv = GTK_SWITCH (widget)->priv;
269 if (event->window == priv->event_window)
270 priv->in_switch = FALSE;
276 gtk_switch_activate (GtkSwitch *sw)
278 GtkSwitchPrivate *priv = sw->priv;
280 gtk_switch_set_active (sw, !priv->is_active);
284 gtk_switch_get_preferred_width (GtkWidget *widget,
288 GtkStyleContext *context;
291 gint width, slider_width, focus_width, focus_pad;
293 PangoRectangle logical_rect;
295 context = gtk_widget_get_style_context (widget);
296 state = gtk_widget_get_state_flags (widget);
297 gtk_style_context_get_padding (context, state, &padding);
299 width = padding.left + padding.right;
301 gtk_widget_style_get (widget,
302 "slider-width", &slider_width,
303 "focus-line-width", &focus_width,
304 "focus-padding", &focus_pad,
307 width += 2 * (focus_width + focus_pad);
309 /* Translators: if the "on" state label requires more than three
310 * glyphs then use MEDIUM VERTICAL BAR (U+2759) as the text for
313 layout = gtk_widget_create_pango_layout (widget, C_("switch", "ON"));
314 pango_layout_get_extents (layout, NULL, &logical_rect);
315 pango_extents_to_pixels (&logical_rect, NULL);
316 width += MAX (logical_rect.width, slider_width);
318 /* Translators: if the "off" state label requires more than three
319 * glyphs then use WHITE CIRCLE (U+25CB) as the text for the state
321 pango_layout_set_text (layout, C_("switch", "OFF"), -1);
322 pango_layout_get_extents (layout, NULL, &logical_rect);
323 pango_extents_to_pixels (&logical_rect, NULL);
324 width += MAX (logical_rect.width, slider_width);
326 g_object_unref (layout);
336 gtk_switch_get_preferred_height (GtkWidget *widget,
340 GtkStyleContext *context;
343 gint height, focus_width, focus_pad;
345 PangoRectangle logical_rect;
348 context = gtk_widget_get_style_context (widget);
349 state = gtk_widget_get_state_flags (widget);
350 gtk_style_context_get_padding (context, state, &padding);
352 height = padding.top + padding.bottom;
354 gtk_widget_style_get (widget,
355 "focus-line-width", &focus_width,
356 "focus-padding", &focus_pad,
359 height += 2 * (focus_width + focus_pad);
361 str = g_strdup_printf ("%s%s",
363 C_("switch", "OFF"));
365 layout = gtk_widget_create_pango_layout (widget, str);
366 pango_layout_get_extents (layout, NULL, &logical_rect);
367 pango_extents_to_pixels (&logical_rect, NULL);
368 height += MAX (DEFAULT_SLIDER_HEIGHT, logical_rect.height);
370 g_object_unref (layout);
381 gtk_switch_size_allocate (GtkWidget *widget,
382 GtkAllocation *allocation)
384 GtkSwitchPrivate *priv = GTK_SWITCH (widget)->priv;
386 gtk_widget_set_allocation (widget, allocation);
388 if (gtk_widget_get_realized (widget))
389 gdk_window_move_resize (priv->event_window,
397 gtk_switch_realize (GtkWidget *widget)
399 GtkSwitchPrivate *priv = GTK_SWITCH (widget)->priv;
400 GdkWindow *parent_window;
401 GdkWindowAttr attributes;
402 gint attributes_mask;
403 GtkAllocation allocation;
405 gtk_widget_set_realized (widget, TRUE);
406 parent_window = gtk_widget_get_parent_window (widget);
407 gtk_widget_set_window (widget, parent_window);
408 g_object_ref (parent_window);
410 gtk_widget_get_allocation (widget, &allocation);
412 attributes.window_type = GDK_WINDOW_CHILD;
413 attributes.wclass = GDK_INPUT_ONLY;
414 attributes.x = allocation.x;
415 attributes.y = allocation.y;
416 attributes.width = allocation.width;
417 attributes.height = allocation.height;
418 attributes.event_mask = gtk_widget_get_events (widget);
419 attributes.event_mask |= (GDK_BUTTON_PRESS_MASK |
420 GDK_BUTTON_RELEASE_MASK |
421 GDK_BUTTON1_MOTION_MASK |
422 GDK_POINTER_MOTION_HINT_MASK |
423 GDK_POINTER_MOTION_MASK |
424 GDK_ENTER_NOTIFY_MASK |
425 GDK_LEAVE_NOTIFY_MASK);
426 attributes_mask = GDK_WA_X | GDK_WA_Y;
428 priv->event_window = gdk_window_new (parent_window,
431 gdk_window_set_user_data (priv->event_window, widget);
435 gtk_switch_unrealize (GtkWidget *widget)
437 GtkSwitchPrivate *priv = GTK_SWITCH (widget)->priv;
439 if (priv->event_window != NULL)
441 gdk_window_set_user_data (priv->event_window, NULL);
442 gdk_window_destroy (priv->event_window);
443 priv->event_window = NULL;
446 GTK_WIDGET_CLASS (gtk_switch_parent_class)->unrealize (widget);
450 gtk_switch_map (GtkWidget *widget)
452 GtkSwitchPrivate *priv = GTK_SWITCH (widget)->priv;
454 GTK_WIDGET_CLASS (gtk_switch_parent_class)->map (widget);
456 if (priv->event_window)
457 gdk_window_show (priv->event_window);
461 gtk_switch_unmap (GtkWidget *widget)
463 GtkSwitchPrivate *priv = GTK_SWITCH (widget)->priv;
465 if (priv->event_window)
466 gdk_window_hide (priv->event_window);
468 GTK_WIDGET_CLASS (gtk_switch_parent_class)->unmap (widget);
472 gtk_switch_paint_handle (GtkWidget *widget,
476 GtkSwitchPrivate *priv = GTK_SWITCH (widget)->priv;
477 GtkStyleContext *context = gtk_widget_get_style_context (widget);
480 state = gtk_widget_get_state_flags (widget);
483 state |= GTK_STATE_FLAG_ACTIVE;
485 gtk_style_context_save (context);
486 gtk_style_context_set_state (context, state);
487 gtk_style_context_add_class (context, GTK_STYLE_CLASS_SLIDER);
489 gtk_render_slider (context, cr,
491 box->width, box->height,
492 GTK_ORIENTATION_HORIZONTAL);
494 gtk_style_context_restore (context);
498 gtk_switch_draw (GtkWidget *widget,
501 GtkSwitchPrivate *priv = GTK_SWITCH (widget)->priv;
502 GtkStyleContext *context;
506 gint label_x, label_y;
509 gint focus_width, focus_pad;
510 gint x, y, width, height;
512 gtk_widget_style_get (widget,
513 "focus-line-width", &focus_width,
514 "focus-padding", &focus_pad,
517 context = gtk_widget_get_style_context (widget);
518 state = gtk_widget_get_state_flags (widget);
521 state |= GTK_STATE_FLAG_ACTIVE;
523 gtk_style_context_get_padding (context, state, &padding);
527 width = gtk_widget_get_allocated_width (widget);
528 height = gtk_widget_get_allocated_height (widget);
530 if (gtk_widget_has_focus (widget))
531 gtk_render_focus (context, cr, x, y, width, height);
533 gtk_style_context_save (context);
534 gtk_style_context_set_state (context, state);
536 x += focus_width + focus_pad;
537 y += focus_width + focus_pad;
538 width -= 2 * (focus_width + focus_pad);
539 height -= 2 * (focus_width + focus_pad);
541 gtk_style_context_add_class (context, GTK_STYLE_CLASS_TROUGH);
543 gtk_render_background (context, cr, x, y, width, height);
544 gtk_render_frame (context, cr, x, y, width, height);
546 /* XXX the +1/-1 it's pixel wriggling after checking with the default
549 handle.y = y + padding.top + 1;
550 handle.width = (width - padding.left - padding.right) / 2;
551 handle.height = (height - padding.top - padding.bottom) - 1;
553 /* Translators: if the "on" state label requires more than three
554 * glyphs then use MEDIUM VERTICAL BAR (U+2759) as the text for
557 layout = gtk_widget_create_pango_layout (widget, C_("switch", "ON"));
558 pango_layout_get_extents (layout, NULL, &rect);
559 pango_extents_to_pixels (&rect, NULL);
561 label_x = x + padding.left
562 + ((width / 2) - rect.width - padding.left - padding.right) / 2;
563 label_y = y + padding.top
564 + (height - rect.height - padding.top - padding.bottom) / 2;
566 gtk_render_layout (context, cr, label_x, label_y, layout);
568 g_object_unref (layout);
570 /* Translators: if the "off" state label requires more than three
571 * glyphs then use WHITE CIRCLE (U+25CB) as the text for the state
573 layout = gtk_widget_create_pango_layout (widget, C_("switch", "OFF"));
574 pango_layout_get_extents (layout, NULL, &rect);
575 pango_extents_to_pixels (&rect, NULL);
577 label_x = x + padding.left
579 + ((width / 2) - rect.width - padding.left - padding.right) / 2;
580 label_y = y + padding.top
581 + (height - rect.height - padding.top - padding.bottom) / 2;
583 gtk_render_layout (context, cr, label_x, label_y, layout);
585 g_object_unref (layout);
587 if (priv->is_dragging)
588 handle.x = x + priv->handle_x;
589 else if (priv->is_active)
590 handle.x = x + width - handle.width - padding.right;
592 handle.x = x + padding.left;
594 gtk_style_context_restore (context);
596 gtk_switch_paint_handle (widget, cr, &handle);
602 gtk_switch_get_accessible (GtkWidget *widget)
604 static gboolean first_time = TRUE;
606 if (G_UNLIKELY (first_time))
608 _gtk_accessible_set_factory_type (GTK_TYPE_SWITCH,
609 gtk_switch_accessible_factory_get_type ());
613 return GTK_WIDGET_CLASS (gtk_switch_parent_class)->get_accessible (widget);
617 gtk_switch_set_related_action (GtkSwitch *sw,
620 GtkSwitchPrivate *priv = sw->priv;
622 if (priv->action == action)
625 gtk_activatable_do_set_related_action (GTK_ACTIVATABLE (sw), action);
627 priv->action = action;
631 gtk_switch_set_use_action_appearance (GtkSwitch *sw,
632 gboolean use_appearance)
634 GtkSwitchPrivate *priv = sw->priv;
636 if (priv->use_action_appearance != use_appearance)
638 priv->use_action_appearance = use_appearance;
640 gtk_activatable_sync_action_properties (GTK_ACTIVATABLE (sw), priv->action);
645 gtk_switch_set_property (GObject *gobject,
650 GtkSwitch *sw = GTK_SWITCH (gobject);
655 gtk_switch_set_active (sw, g_value_get_boolean (value));
658 case PROP_RELATED_ACTION:
659 gtk_switch_set_related_action (sw, g_value_get_object (value));
662 case PROP_USE_ACTION_APPEARANCE:
663 gtk_switch_set_use_action_appearance (sw, g_value_get_boolean (value));
667 G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
672 gtk_switch_get_property (GObject *gobject,
677 GtkSwitchPrivate *priv = GTK_SWITCH (gobject)->priv;
682 g_value_set_boolean (value, priv->is_active);
685 case PROP_RELATED_ACTION:
686 g_value_set_object (value, priv->action);
689 case PROP_USE_ACTION_APPEARANCE:
690 g_value_set_boolean (value, priv->use_action_appearance);
694 G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
699 gtk_switch_dispose (GObject *object)
701 GtkSwitchPrivate *priv = GTK_SWITCH (object)->priv;
705 gtk_activatable_do_set_related_action (GTK_ACTIVATABLE (object), NULL);
709 G_OBJECT_CLASS (gtk_switch_parent_class)->dispose (object);
713 gtk_switch_class_init (GtkSwitchClass *klass)
715 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
716 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
717 gpointer activatable_iface;
719 g_type_class_add_private (klass, sizeof (GtkSwitchPrivate));
721 activatable_iface = g_type_default_interface_peek (GTK_TYPE_ACTIVATABLE);
722 switch_props[PROP_RELATED_ACTION] =
723 g_param_spec_override ("related-action",
724 g_object_interface_find_property (activatable_iface,
727 switch_props[PROP_USE_ACTION_APPEARANCE] =
728 g_param_spec_override ("use-action-appearance",
729 g_object_interface_find_property (activatable_iface,
730 "use-action-appearance"));
735 * Whether the #GtkSwitch widget is in its on or off state.
737 switch_props[PROP_ACTIVE] =
738 g_param_spec_boolean ("active",
740 P_("Whether the switch is on or off"),
742 GTK_PARAM_READWRITE);
744 gobject_class->set_property = gtk_switch_set_property;
745 gobject_class->get_property = gtk_switch_get_property;
746 gobject_class->dispose = gtk_switch_dispose;
748 g_object_class_install_properties (gobject_class, LAST_PROP, switch_props);
750 widget_class->get_preferred_width = gtk_switch_get_preferred_width;
751 widget_class->get_preferred_height = gtk_switch_get_preferred_height;
752 widget_class->size_allocate = gtk_switch_size_allocate;
753 widget_class->realize = gtk_switch_realize;
754 widget_class->unrealize = gtk_switch_unrealize;
755 widget_class->map = gtk_switch_map;
756 widget_class->unmap = gtk_switch_unmap;
757 widget_class->draw = gtk_switch_draw;
758 widget_class->button_press_event = gtk_switch_button_press;
759 widget_class->button_release_event = gtk_switch_button_release;
760 widget_class->motion_notify_event = gtk_switch_motion;
761 widget_class->enter_notify_event = gtk_switch_enter;
762 widget_class->leave_notify_event = gtk_switch_leave;
763 widget_class->get_accessible = gtk_switch_get_accessible;
765 klass->activate = gtk_switch_activate;
768 * GtkSwitch:slider-width:
770 * The minimum width of the #GtkSwitch handle, in pixels.
772 gtk_widget_class_install_style_property (widget_class,
773 g_param_spec_int ("slider-width",
775 P_("The minimum width of the handle"),
776 DEFAULT_SLIDER_WIDTH, G_MAXINT,
777 DEFAULT_SLIDER_WIDTH,
778 GTK_PARAM_READABLE));
781 * GtkSwitch::activate:
782 * @widget: the object which received the signal.
784 * The ::activate signal on GtkSwitch is an action signal and
785 * emitting it causes the switch to animate.
786 * Applications should never connect to this signal, but use the
787 * notify::active signal.
790 g_signal_new (I_("activate"),
791 G_OBJECT_CLASS_TYPE (gobject_class),
792 G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
793 G_STRUCT_OFFSET (GtkSwitchClass, activate),
795 _gtk_marshal_VOID__VOID,
797 widget_class->activate_signal = signals[ACTIVATE];
802 gtk_switch_init (GtkSwitch *self)
804 self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, GTK_TYPE_SWITCH, GtkSwitchPrivate);
805 self->priv->use_action_appearance = TRUE;
806 gtk_widget_set_has_window (GTK_WIDGET (self), FALSE);
807 gtk_widget_set_can_focus (GTK_WIDGET (self), TRUE);
813 * Creates a new #GtkSwitch widget.
815 * Return value: the newly created #GtkSwitch instance
820 gtk_switch_new (void)
822 return g_object_new (GTK_TYPE_SWITCH, NULL);
826 * gtk_switch_set_active:
828 * @is_active: %TRUE if @sw should be active, and %FALSE otherwise
830 * Changes the state of @sw to the desired one.
835 gtk_switch_set_active (GtkSwitch *sw,
838 GtkSwitchPrivate *priv;
840 g_return_if_fail (GTK_IS_SWITCH (sw));
842 is_active = !!is_active;
846 if (priv->is_active != is_active)
848 AtkObject *accessible;
850 GtkStyleContext *context;
852 widget = GTK_WIDGET (sw);
853 priv->is_active = is_active;
855 g_object_notify_by_pspec (G_OBJECT (sw), switch_props[PROP_ACTIVE]);
858 gtk_action_activate (priv->action);
860 accessible = gtk_widget_get_accessible (GTK_WIDGET (sw));
861 atk_object_notify_state_change (accessible, ATK_STATE_CHECKED, priv->is_active);
863 if (gtk_widget_get_realized (widget))
865 context = gtk_widget_get_style_context (widget);
866 gtk_style_context_notify_state_change (context,
867 gtk_widget_get_window (widget),
868 NULL, GTK_STATE_ACTIVE, is_active);
871 gtk_widget_queue_draw (GTK_WIDGET (sw));
876 * gtk_switch_get_active:
879 * Gets whether the #GtkSwitch is in its "on" or "off" state.
881 * Return value: %TRUE if the #GtkSwitch is active, and %FALSE otherwise
886 gtk_switch_get_active (GtkSwitch *sw)
888 g_return_val_if_fail (GTK_IS_SWITCH (sw), FALSE);
890 return sw->priv->is_active;
894 gtk_switch_update (GtkActivatable *activatable,
896 const gchar *property_name)
898 if (strcmp (property_name, "visible") == 0)
900 if (gtk_action_is_visible (action))
901 gtk_widget_show (GTK_WIDGET (activatable));
903 gtk_widget_hide (GTK_WIDGET (activatable));
905 else if (strcmp (property_name, "sensitive") == 0)
907 gtk_widget_set_sensitive (GTK_WIDGET (activatable), gtk_action_is_sensitive (action));
909 else if (strcmp (property_name, "active") == 0)
911 gtk_action_block_activate (action);
912 gtk_switch_set_active (GTK_SWITCH (activatable), gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action)));
913 gtk_action_unblock_activate (action);
918 gtk_switch_sync_action_properties (GtkActivatable *activatable,
924 if (gtk_action_is_visible (action))
925 gtk_widget_show (GTK_WIDGET (activatable));
927 gtk_widget_hide (GTK_WIDGET (activatable));
929 gtk_widget_set_sensitive (GTK_WIDGET (activatable), gtk_action_is_sensitive (action));
931 gtk_action_block_activate (action);
932 gtk_switch_set_active (GTK_SWITCH (activatable), gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action)));
933 gtk_action_unblock_activate (action);
937 gtk_switch_activatable_interface_init (GtkActivatableIface *iface)
939 iface->update = gtk_switch_update;
940 iface->sync_action_properties = gtk_switch_sync_action_properties;
943 /* accessibility: object */
945 typedef struct _GtkSwitchAccessible GtkSwitchAccessible;
946 typedef struct _GtkSwitchAccessibleClass GtkSwitchAccessibleClass;
948 struct _GtkSwitchAccessible
950 GtkAccessible object;
956 static void atk_action_interface_init (AtkActionIface *iface);
958 ATK_DEFINE_TYPE_WITH_CODE (GtkSwitchAccessible, _gtk_switch_accessible, GTK_TYPE_SWITCH,
959 G_IMPLEMENT_INTERFACE (ATK_TYPE_ACTION, atk_action_interface_init))
962 gtk_switch_accessible_ref_state_set (AtkObject *accessible)
964 AtkStateSet *state_set;
967 state_set = ATK_OBJECT_CLASS (_gtk_switch_accessible_parent_class)->ref_state_set (accessible);
969 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
973 if (gtk_switch_get_active (GTK_SWITCH (widget)))
974 atk_state_set_add_state (state_set, ATK_STATE_CHECKED);
980 gtk_switch_accessible_finalize (GObject *obj)
982 GtkSwitchAccessible *accessible = (GtkSwitchAccessible *)obj;
984 g_free (accessible->description);
986 if (accessible->action_idle)
987 g_source_remove (accessible->action_idle);
989 G_OBJECT_CLASS (_gtk_switch_accessible_parent_class)->finalize (obj);
993 _gtk_switch_accessible_initialize (AtkObject *accessible,
996 ATK_OBJECT_CLASS (_gtk_switch_accessible_parent_class)->initialize (accessible, widget);
998 atk_object_set_role (accessible, ATK_ROLE_TOGGLE_BUTTON);
999 atk_object_set_name (accessible, C_("light switch widget", "Switch"));
1000 atk_object_set_description (accessible, _("Switches between on and off states"));
1004 _gtk_switch_accessible_class_init (GtkSwitchAccessibleClass *klass)
1006 GObjectClass *object_class = G_OBJECT_CLASS (klass);
1007 AtkObjectClass *atk_class = ATK_OBJECT_CLASS (klass);
1009 object_class->finalize = gtk_switch_accessible_finalize;
1011 atk_class->initialize = _gtk_switch_accessible_initialize;
1012 atk_class->ref_state_set = gtk_switch_accessible_ref_state_set;
1016 _gtk_switch_accessible_init (GtkSwitchAccessible *self)
1018 self->description = NULL;
1019 self->action_idle = 0;
1022 /* accessibility: action interface */
1025 gtk_switch_action_get_n_actions (AtkAction *action)
1030 static const gchar *
1031 gtk_switch_action_get_name (AtkAction *action,
1037 static const gchar *
1038 gtk_switch_action_get_description (AtkAction *action,
1041 GtkSwitchAccessible *accessible = (GtkSwitchAccessible*)action;
1043 return accessible->description;
1047 gtk_switch_action_set_description (AtkAction *action,
1049 const gchar *description)
1051 GtkSwitchAccessible *accessible = (GtkSwitchAccessible*)action;
1053 g_free (accessible->description);
1054 accessible->description = g_strdup (description);
1060 idle_do_action (gpointer data)
1062 GtkSwitchAccessible *accessible = data;
1066 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (data));
1067 sw = GTK_SWITCH (widget);
1069 accessible->action_idle = 0;
1071 if (widget == NULL ||
1072 !gtk_widget_is_sensitive (widget) || !gtk_widget_get_visible (widget))
1075 gtk_switch_set_active (sw, !gtk_switch_get_active (sw));
1081 gtk_switch_action_do_action (AtkAction *action,
1084 GtkSwitchAccessible *accessible;
1087 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (action));
1091 if (!gtk_widget_is_sensitive (widget) || !gtk_widget_get_visible (widget))
1094 accessible = (GtkSwitchAccessible *)action;
1096 if (!accessible->action_idle)
1097 accessible->action_idle = gdk_threads_add_idle (idle_do_action, accessible);
1103 atk_action_interface_init (AtkActionIface *iface)
1105 iface->do_action = gtk_switch_action_do_action;
1106 iface->get_n_actions = gtk_switch_action_get_n_actions;
1107 iface->get_name = gtk_switch_action_get_name;
1108 iface->get_description = gtk_switch_action_get_description;
1109 iface->set_description = gtk_switch_action_set_description;
1112 /* accessibility: factory */
1114 typedef AtkObjectFactoryClass GtkSwitchAccessibleFactoryClass;
1115 typedef AtkObjectFactory GtkSwitchAccessibleFactory;
1117 G_DEFINE_TYPE (GtkSwitchAccessibleFactory,
1118 gtk_switch_accessible_factory,
1119 ATK_TYPE_OBJECT_FACTORY);
1122 gtk_switch_accessible_factory_get_accessible_type (void)
1124 return _gtk_switch_accessible_get_type ();
1128 gtk_switch_accessible_factory_create_accessible (GObject *obj)
1130 AtkObject *accessible;
1132 accessible = g_object_new (_gtk_switch_accessible_get_type (), NULL);
1133 atk_object_initialize (accessible, obj);
1139 gtk_switch_accessible_factory_class_init (AtkObjectFactoryClass *klass)
1141 klass->create_accessible = gtk_switch_accessible_factory_create_accessible;
1142 klass->get_accessible_type = gtk_switch_accessible_factory_get_accessible_type;
1146 gtk_switch_accessible_factory_init (AtkObjectFactory *factory)