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gtk/auto/
check_menu_item.rs

1// This file was generated by gir (https://github.com/gtk-rs/gir)
2// from gir-files (https://github.com/gtk-rs/gir-files)
3// DO NOT EDIT
4
5use crate::{
6    Actionable, Align, Bin, Buildable, Container, Menu, MenuItem, ResizeMode, Widget, ffi,
7};
8use glib::{
9    object::ObjectType as _,
10    prelude::*,
11    signal::{SignalHandlerId, connect_raw},
12    translate::*,
13};
14use std::boxed::Box as Box_;
15
16glib::wrapper! {
17    /// A [`CheckMenuItem`][crate::CheckMenuItem] is a menu item that maintains the state of a boolean
18    /// value in addition to a [`MenuItem`][crate::MenuItem] usual role in activating application
19    /// code.
20    ///
21    /// A check box indicating the state of the boolean value is displayed
22    /// at the left side of the [`MenuItem`][crate::MenuItem]. Activating the [`MenuItem`][crate::MenuItem]
23    /// toggles the value.
24    ///
25    /// # CSS nodes
26    ///
27    ///
28    ///
29    /// **⚠️ The following code is in plain ⚠️**
30    ///
31    /// ```plain
32    /// menuitem
33    /// ├── check.left
34    /// ╰── <child>
35    /// ```
36    ///
37    /// GtkCheckMenuItem has a main CSS node with name menuitem, and a subnode
38    /// with name check, which gets the .left or .right style class.
39    ///
40    /// ## Properties
41    ///
42    ///
43    /// #### `active`
44    ///  Readable | Writable
45    ///
46    ///
47    /// #### `draw-as-radio`
48    ///  Readable | Writable
49    ///
50    ///
51    /// #### `inconsistent`
52    ///  Readable | Writable
53    /// <details><summary><h4>MenuItem</h4></summary>
54    ///
55    ///
56    /// #### `accel-path`
57    ///  Sets the accelerator path of the menu item, through which runtime
58    /// changes of the menu item's accelerator caused by the user can be
59    /// identified and saved to persistant storage.
60    ///
61    /// Readable | Writable
62    ///
63    ///
64    /// #### `label`
65    ///  The text for the child label.
66    ///
67    /// Readable | Writable
68    ///
69    ///
70    /// #### `right-justified`
71    ///  Sets whether the menu item appears justified
72    /// at the right side of a menu bar.
73    ///
74    /// Readable | Writable
75    ///
76    ///
77    /// #### `submenu`
78    ///  The submenu attached to the menu item, or [`None`] if it has none.
79    ///
80    /// Readable | Writable
81    ///
82    ///
83    /// #### `use-underline`
84    ///  [`true`] if underlines in the text indicate mnemonics.
85    ///
86    /// Readable | Writable
87    /// </details>
88    /// <details><summary><h4>Container</h4></summary>
89    ///
90    ///
91    /// #### `border-width`
92    ///  Readable | Writable
93    ///
94    ///
95    /// #### `child`
96    ///  Writable
97    ///
98    ///
99    /// #### `resize-mode`
100    ///  Readable | Writable
101    /// </details>
102    /// <details><summary><h4>Widget</h4></summary>
103    ///
104    ///
105    /// #### `app-paintable`
106    ///  Readable | Writable
107    ///
108    ///
109    /// #### `can-default`
110    ///  Readable | Writable
111    ///
112    ///
113    /// #### `can-focus`
114    ///  Readable | Writable
115    ///
116    ///
117    /// #### `composite-child`
118    ///  Readable
119    ///
120    ///
121    /// #### `double-buffered`
122    ///  Whether the widget is double buffered.
123    ///
124    /// Readable | Writable
125    ///
126    ///
127    /// #### `events`
128    ///  Readable | Writable
129    ///
130    ///
131    /// #### `expand`
132    ///  Whether to expand in both directions. Setting this sets both [`hexpand`][struct@crate::Widget#hexpand] and [`vexpand`][struct@crate::Widget#vexpand]
133    ///
134    /// Readable | Writable
135    ///
136    ///
137    /// #### `focus-on-click`
138    ///  Whether the widget should grab focus when it is clicked with the mouse.
139    ///
140    /// This property is only relevant for widgets that can take focus.
141    ///
142    /// Before 3.20, several widgets (GtkButton, GtkFileChooserButton,
143    /// GtkComboBox) implemented this property individually.
144    ///
145    /// Readable | Writable
146    ///
147    ///
148    /// #### `halign`
149    ///  How to distribute horizontal space if widget gets extra space, see [`Align`][crate::Align]
150    ///
151    /// Readable | Writable
152    ///
153    ///
154    /// #### `has-default`
155    ///  Readable | Writable
156    ///
157    ///
158    /// #### `has-focus`
159    ///  Readable | Writable
160    ///
161    ///
162    /// #### `has-tooltip`
163    ///  Enables or disables the emission of [`query-tooltip`][struct@crate::Widget#query-tooltip] on `widget`.
164    /// A value of [`true`] indicates that `widget` can have a tooltip, in this case
165    /// the widget will be queried using [`query-tooltip`][struct@crate::Widget#query-tooltip] to determine
166    /// whether it will provide a tooltip or not.
167    ///
168    /// Note that setting this property to [`true`] for the first time will change
169    /// the event masks of the GdkWindows of this widget to include leave-notify
170    /// and motion-notify events. This cannot and will not be undone when the
171    /// property is set to [`false`] again.
172    ///
173    /// Readable | Writable
174    ///
175    ///
176    /// #### `height-request`
177    ///  Readable | Writable
178    ///
179    ///
180    /// #### `hexpand`
181    ///  Whether to expand horizontally. See [`WidgetExt::set_hexpand()`][crate::prelude::WidgetExt::set_hexpand()].
182    ///
183    /// Readable | Writable
184    ///
185    ///
186    /// #### `hexpand-set`
187    ///  Whether to use the [`hexpand`][struct@crate::Widget#hexpand] property. See [`WidgetExt::is_hexpand_set()`][crate::prelude::WidgetExt::is_hexpand_set()].
188    ///
189    /// Readable | Writable
190    ///
191    ///
192    /// #### `is-focus`
193    ///  Readable | Writable
194    ///
195    ///
196    /// #### `margin`
197    ///  Sets all four sides' margin at once. If read, returns max
198    /// margin on any side.
199    ///
200    /// Readable | Writable
201    ///
202    ///
203    /// #### `margin-bottom`
204    ///  Margin on bottom side of widget.
205    ///
206    /// This property adds margin outside of the widget's normal size
207    /// request, the margin will be added in addition to the size from
208    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
209    ///
210    /// Readable | Writable
211    ///
212    ///
213    /// #### `margin-end`
214    ///  Margin on end of widget, horizontally. This property supports
215    /// left-to-right and right-to-left text directions.
216    ///
217    /// This property adds margin outside of the widget's normal size
218    /// request, the margin will be added in addition to the size from
219    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
220    ///
221    /// Readable | Writable
222    ///
223    ///
224    /// #### `margin-left`
225    ///  Margin on left side of widget.
226    ///
227    /// This property adds margin outside of the widget's normal size
228    /// request, the margin will be added in addition to the size from
229    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
230    ///
231    /// Readable | Writable
232    ///
233    ///
234    /// #### `margin-right`
235    ///  Margin on right side of widget.
236    ///
237    /// This property adds margin outside of the widget's normal size
238    /// request, the margin will be added in addition to the size from
239    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
240    ///
241    /// Readable | Writable
242    ///
243    ///
244    /// #### `margin-start`
245    ///  Margin on start of widget, horizontally. This property supports
246    /// left-to-right and right-to-left text directions.
247    ///
248    /// This property adds margin outside of the widget's normal size
249    /// request, the margin will be added in addition to the size from
250    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
251    ///
252    /// Readable | Writable
253    ///
254    ///
255    /// #### `margin-top`
256    ///  Margin on top side of widget.
257    ///
258    /// This property adds margin outside of the widget's normal size
259    /// request, the margin will be added in addition to the size from
260    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
261    ///
262    /// Readable | Writable
263    ///
264    ///
265    /// #### `name`
266    ///  Readable | Writable
267    ///
268    ///
269    /// #### `no-show-all`
270    ///  Readable | Writable
271    ///
272    ///
273    /// #### `opacity`
274    ///  The requested opacity of the widget. See [`WidgetExt::set_opacity()`][crate::prelude::WidgetExt::set_opacity()] for
275    /// more details about window opacity.
276    ///
277    /// Before 3.8 this was only available in GtkWindow
278    ///
279    /// Readable | Writable
280    ///
281    ///
282    /// #### `parent`
283    ///  Readable | Writable
284    ///
285    ///
286    /// #### `receives-default`
287    ///  Readable | Writable
288    ///
289    ///
290    /// #### `scale-factor`
291    ///  The scale factor of the widget. See [`WidgetExt::scale_factor()`][crate::prelude::WidgetExt::scale_factor()] for
292    /// more details about widget scaling.
293    ///
294    /// Readable
295    ///
296    ///
297    /// #### `sensitive`
298    ///  Readable | Writable
299    ///
300    ///
301    /// #### `style`
302    ///  The style of the widget, which contains information about how it will look (colors, etc).
303    ///
304    /// Readable | Writable
305    ///
306    ///
307    /// #### `tooltip-markup`
308    ///  Sets the text of tooltip to be the given string, which is marked up
309    /// with the [Pango text markup language][PangoMarkupFormat].
310    /// Also see [`Tooltip::set_markup()`][crate::Tooltip::set_markup()].
311    ///
312    /// This is a convenience property which will take care of getting the
313    /// tooltip shown if the given string is not [`None`]: [`has-tooltip`][struct@crate::Widget#has-tooltip]
314    /// will automatically be set to [`true`] and there will be taken care of
315    /// [`query-tooltip`][struct@crate::Widget#query-tooltip] in the default signal handler.
316    ///
317    /// Note that if both [`tooltip-text`][struct@crate::Widget#tooltip-text] and [`tooltip-markup`][struct@crate::Widget#tooltip-markup]
318    /// are set, the last one wins.
319    ///
320    /// Readable | Writable
321    ///
322    ///
323    /// #### `tooltip-text`
324    ///  Sets the text of tooltip to be the given string.
325    ///
326    /// Also see [`Tooltip::set_text()`][crate::Tooltip::set_text()].
327    ///
328    /// This is a convenience property which will take care of getting the
329    /// tooltip shown if the given string is not [`None`]: [`has-tooltip`][struct@crate::Widget#has-tooltip]
330    /// will automatically be set to [`true`] and there will be taken care of
331    /// [`query-tooltip`][struct@crate::Widget#query-tooltip] in the default signal handler.
332    ///
333    /// Note that if both [`tooltip-text`][struct@crate::Widget#tooltip-text] and [`tooltip-markup`][struct@crate::Widget#tooltip-markup]
334    /// are set, the last one wins.
335    ///
336    /// Readable | Writable
337    ///
338    ///
339    /// #### `valign`
340    ///  How to distribute vertical space if widget gets extra space, see [`Align`][crate::Align]
341    ///
342    /// Readable | Writable
343    ///
344    ///
345    /// #### `vexpand`
346    ///  Whether to expand vertically. See [`WidgetExt::set_vexpand()`][crate::prelude::WidgetExt::set_vexpand()].
347    ///
348    /// Readable | Writable
349    ///
350    ///
351    /// #### `vexpand-set`
352    ///  Whether to use the [`vexpand`][struct@crate::Widget#vexpand] property. See [`WidgetExt::is_vexpand_set()`][crate::prelude::WidgetExt::is_vexpand_set()].
353    ///
354    /// Readable | Writable
355    ///
356    ///
357    /// #### `visible`
358    ///  Readable | Writable
359    ///
360    ///
361    /// #### `width-request`
362    ///  Readable | Writable
363    ///
364    ///
365    /// #### `window`
366    ///  The widget's window if it is realized, [`None`] otherwise.
367    ///
368    /// Readable
369    /// </details>
370    /// <details><summary><h4>Actionable</h4></summary>
371    ///
372    ///
373    /// #### `action-name`
374    ///  Readable | Writable
375    ///
376    ///
377    /// #### `action-target`
378    ///  Readable | Writable
379    /// </details>
380    /// <details><summary><h4>Activatable</h4></summary>
381    ///
382    ///
383    /// #### `related-action`
384    ///  The action that this activatable will activate and receive
385    /// updates from for various states and possibly appearance.
386    ///
387    /// > `GtkActivatable` implementors need to handle the this property and
388    /// > call `gtk_activatable_do_set_related_action()` when it changes.
389    ///
390    /// Readable | Writable
391    ///
392    ///
393    /// #### `use-action-appearance`
394    ///  Whether this activatable should reset its layout
395    /// and appearance when setting the related action or when
396    /// the action changes appearance.
397    ///
398    /// See the `GtkAction` documentation directly to find which properties
399    /// should be ignored by the `GtkActivatable` when this property is [`false`].
400    ///
401    /// > `GtkActivatable` implementors need to handle this property
402    /// > and call `gtk_activatable_sync_action_properties()` on the activatable
403    /// > widget when it changes.
404    ///
405    /// Readable | Writable
406    /// </details>
407    ///
408    /// ## Signals
409    ///
410    ///
411    /// #### `toggled`
412    ///  This signal is emitted when the state of the check box is changed.
413    ///
414    /// A signal handler can use [`CheckMenuItemExt::is_active()`][crate::prelude::CheckMenuItemExt::is_active()]
415    /// to discover the new state.
416    ///
417    ///
418    /// <details><summary><h4>MenuItem</h4></summary>
419    ///
420    ///
421    /// #### `activate`
422    ///  Emitted when the item is activated.
423    ///
424    /// Action
425    ///
426    ///
427    /// #### `activate-item`
428    ///  Emitted when the item is activated, but also if the menu item has a
429    /// submenu. For normal applications, the relevant signal is
430    /// [`activate`][struct@crate::MenuItem#activate].
431    ///
432    ///
433    ///
434    ///
435    /// #### `deselect`
436    ///
437    ///
438    ///
439    /// #### `select`
440    ///
441    ///
442    ///
443    /// #### `toggle-size-allocate`
444    ///
445    ///
446    ///
447    /// #### `toggle-size-request`
448    ///
449    /// </details>
450    /// <details><summary><h4>Container</h4></summary>
451    ///
452    ///
453    /// #### `add`
454    ///
455    ///
456    ///
457    /// #### `check-resize`
458    ///
459    ///
460    ///
461    /// #### `remove`
462    ///
463    ///
464    ///
465    /// #### `set-focus-child`
466    ///
467    /// </details>
468    /// <details><summary><h4>Widget</h4></summary>
469    ///
470    ///
471    /// #### `accel-closures-changed`
472    ///
473    ///
474    ///
475    /// #### `button-press-event`
476    ///  The ::button-press-event signal will be emitted when a button
477    /// (typically from a mouse) is pressed.
478    ///
479    /// To receive this signal, the [`gdk::Window`][crate::gdk::Window] associated to the
480    /// widget needs to enable the [`gdk::EventMask::BUTTON_PRESS_MASK`][crate::gdk::EventMask::BUTTON_PRESS_MASK] mask.
481    ///
482    /// This signal will be sent to the grab widget if there is one.
483    ///
484    ///
485    ///
486    ///
487    /// #### `button-release-event`
488    ///  The ::button-release-event signal will be emitted when a button
489    /// (typically from a mouse) is released.
490    ///
491    /// To receive this signal, the [`gdk::Window`][crate::gdk::Window] associated to the
492    /// widget needs to enable the [`gdk::EventMask::BUTTON_RELEASE_MASK`][crate::gdk::EventMask::BUTTON_RELEASE_MASK] mask.
493    ///
494    /// This signal will be sent to the grab widget if there is one.
495    ///
496    ///
497    ///
498    ///
499    /// #### `can-activate-accel`
500    ///  Determines whether an accelerator that activates the signal
501    /// identified by `signal_id` can currently be activated.
502    /// This signal is present to allow applications and derived
503    /// widgets to override the default [`Widget`][crate::Widget] handling
504    /// for determining whether an accelerator can be activated.
505    ///
506    ///
507    ///
508    ///
509    /// #### `child-notify`
510    ///  The ::child-notify signal is emitted for each
511    /// [child property][child-properties] that has
512    /// changed on an object. The signal's detail holds the property name.
513    ///
514    /// Detailed
515    ///
516    ///
517    /// #### `composited-changed`
518    ///  The ::composited-changed signal is emitted when the composited
519    /// status of `widgets` screen changes.
520    /// See [`Screen::is_composited()`][crate::gdk::Screen::is_composited()].
521    ///
522    /// Action
523    ///
524    ///
525    /// #### `configure-event`
526    ///  The ::configure-event signal will be emitted when the size, position or
527    /// stacking of the `widget`'s window has changed.
528    ///
529    /// To receive this signal, the [`gdk::Window`][crate::gdk::Window] associated to the widget needs
530    /// to enable the [`gdk::EventMask::STRUCTURE_MASK`][crate::gdk::EventMask::STRUCTURE_MASK] mask. GDK will enable this mask
531    /// automatically for all new windows.
532    ///
533    ///
534    ///
535    ///
536    /// #### `damage-event`
537    ///  Emitted when a redirected window belonging to `widget` gets drawn into.
538    /// The region/area members of the event shows what area of the redirected
539    /// drawable was drawn into.
540    ///
541    ///
542    ///
543    ///
544    /// #### `delete-event`
545    ///  The ::delete-event signal is emitted if a user requests that
546    /// a toplevel window is closed. The default handler for this signal
547    /// destroys the window. Connecting [`WidgetExtManual::hide_on_delete()`][crate::prelude::WidgetExtManual::hide_on_delete()] to
548    /// this signal will cause the window to be hidden instead, so that
549    /// it can later be shown again without reconstructing it.
550    ///
551    ///
552    ///
553    ///
554    /// #### `destroy`
555    ///  Signals that all holders of a reference to the widget should release
556    /// the reference that they hold. May result in finalization of the widget
557    /// if all references are released.
558    ///
559    /// This signal is not suitable for saving widget state.
560    ///
561    ///
562    ///
563    ///
564    /// #### `destroy-event`
565    ///  The ::destroy-event signal is emitted when a [`gdk::Window`][crate::gdk::Window] is destroyed.
566    /// You rarely get this signal, because most widgets disconnect themselves
567    /// from their window before they destroy it, so no widget owns the
568    /// window at destroy time.
569    ///
570    /// To receive this signal, the [`gdk::Window`][crate::gdk::Window] associated to the widget needs
571    /// to enable the [`gdk::EventMask::STRUCTURE_MASK`][crate::gdk::EventMask::STRUCTURE_MASK] mask. GDK will enable this mask
572    /// automatically for all new windows.
573    ///
574    ///
575    ///
576    ///
577    /// #### `direction-changed`
578    ///  The ::direction-changed signal is emitted when the text direction
579    /// of a widget changes.
580    ///
581    ///
582    ///
583    ///
584    /// #### `drag-begin`
585    ///  The ::drag-begin signal is emitted on the drag source when a drag is
586    /// started. A typical reason to connect to this signal is to set up a
587    /// custom drag icon with e.g. [`WidgetExt::drag_source_set_icon_pixbuf()`][crate::prelude::WidgetExt::drag_source_set_icon_pixbuf()].
588    ///
589    /// Note that some widgets set up a drag icon in the default handler of
590    /// this signal, so you may have to use `g_signal_connect_after()` to
591    /// override what the default handler did.
592    ///
593    ///
594    ///
595    ///
596    /// #### `drag-data-delete`
597    ///  The ::drag-data-delete signal is emitted on the drag source when a drag
598    /// with the action [`gdk::DragAction::MOVE`][crate::gdk::DragAction::MOVE] is successfully completed. The signal
599    /// handler is responsible for deleting the data that has been dropped. What
600    /// "delete" means depends on the context of the drag operation.
601    ///
602    ///
603    ///
604    ///
605    /// #### `drag-data-get`
606    ///  The ::drag-data-get signal is emitted on the drag source when the drop
607    /// site requests the data which is dragged. It is the responsibility of
608    /// the signal handler to fill `data` with the data in the format which
609    /// is indicated by `info`. See [`SelectionData::set()`][crate::SelectionData::set()] and
610    /// [`SelectionData::set_text()`][crate::SelectionData::set_text()].
611    ///
612    ///
613    ///
614    ///
615    /// #### `drag-data-received`
616    ///  The ::drag-data-received signal is emitted on the drop site when the
617    /// dragged data has been received. If the data was received in order to
618    /// determine whether the drop will be accepted, the handler is expected
619    /// to call `gdk_drag_status()` and not finish the drag.
620    /// If the data was received in response to a [`drag-drop`][struct@crate::Widget#drag-drop] signal
621    /// (and this is the last target to be received), the handler for this
622    /// signal is expected to process the received data and then call
623    /// `gtk_drag_finish()`, setting the `success` parameter depending on
624    /// whether the data was processed successfully.
625    ///
626    /// Applications must create some means to determine why the signal was emitted
627    /// and therefore whether to call `gdk_drag_status()` or `gtk_drag_finish()`.
628    ///
629    /// The handler may inspect the selected action with
630    /// [`DragContext::selected_action()`][crate::gdk::DragContext::selected_action()] before calling
631    /// `gtk_drag_finish()`, e.g. to implement [`gdk::DragAction::ASK`][crate::gdk::DragAction::ASK] as
632    /// shown in the following example:
633    ///
634    ///
635    /// **⚠️ The following code is in C ⚠️**
636    ///
637    /// ```C
638    /// void
639    /// drag_data_received (GtkWidget          *widget,
640    ///                     GdkDragContext     *context,
641    ///                     gint                x,
642    ///                     gint                y,
643    ///                     GtkSelectionData   *data,
644    ///                     guint               info,
645    ///                     guint               time)
646    /// {
647    ///   if ((data->length >= 0) && (data->format == 8))
648    ///     {
649    ///       GdkDragAction action;
650    ///
651    ///       // handle data here
652    ///
653    ///       action = gdk_drag_context_get_selected_action (context);
654    ///       if (action == GDK_ACTION_ASK)
655    ///         {
656    ///           GtkWidget *dialog;
657    ///           gint response;
658    ///
659    ///           dialog = gtk_message_dialog_new (NULL,
660    ///                                            GTK_DIALOG_MODAL |
661    ///                                            GTK_DIALOG_DESTROY_WITH_PARENT,
662    ///                                            GTK_MESSAGE_INFO,
663    ///                                            GTK_BUTTONS_YES_NO,
664    ///                                            "Move the data ?\n");
665    ///           response = gtk_dialog_run (GTK_DIALOG (dialog));
666    ///           gtk_widget_destroy (dialog);
667    ///
668    ///           if (response == GTK_RESPONSE_YES)
669    ///             action = GDK_ACTION_MOVE;
670    ///           else
671    ///             action = GDK_ACTION_COPY;
672    ///          }
673    ///
674    ///       gtk_drag_finish (context, TRUE, action == GDK_ACTION_MOVE, time);
675    ///     }
676    ///   else
677    ///     gtk_drag_finish (context, FALSE, FALSE, time);
678    ///  }
679    /// ```
680    ///
681    ///
682    ///
683    ///
684    /// #### `drag-drop`
685    ///  The ::drag-drop signal is emitted on the drop site when the user drops
686    /// the data onto the widget. The signal handler must determine whether
687    /// the cursor position is in a drop zone or not. If it is not in a drop
688    /// zone, it returns [`false`] and no further processing is necessary.
689    /// Otherwise, the handler returns [`true`]. In this case, the handler must
690    /// ensure that `gtk_drag_finish()` is called to let the source know that
691    /// the drop is done. The call to `gtk_drag_finish()` can be done either
692    /// directly or in a [`drag-data-received`][struct@crate::Widget#drag-data-received] handler which gets
693    /// triggered by calling [`WidgetExt::drag_get_data()`][crate::prelude::WidgetExt::drag_get_data()] to receive the data for one
694    /// or more of the supported targets.
695    ///
696    ///
697    ///
698    ///
699    /// #### `drag-end`
700    ///  The ::drag-end signal is emitted on the drag source when a drag is
701    /// finished. A typical reason to connect to this signal is to undo
702    /// things done in [`drag-begin`][struct@crate::Widget#drag-begin].
703    ///
704    ///
705    ///
706    ///
707    /// #### `drag-failed`
708    ///  The ::drag-failed signal is emitted on the drag source when a drag has
709    /// failed. The signal handler may hook custom code to handle a failed DnD
710    /// operation based on the type of error, it returns [`true`] is the failure has
711    /// been already handled (not showing the default "drag operation failed"
712    /// animation), otherwise it returns [`false`].
713    ///
714    ///
715    ///
716    ///
717    /// #### `drag-leave`
718    ///  The ::drag-leave signal is emitted on the drop site when the cursor
719    /// leaves the widget. A typical reason to connect to this signal is to
720    /// undo things done in [`drag-motion`][struct@crate::Widget#drag-motion], e.g. undo highlighting
721    /// with [`WidgetExt::drag_unhighlight()`][crate::prelude::WidgetExt::drag_unhighlight()].
722    ///
723    ///
724    /// Likewise, the [`drag-leave`][struct@crate::Widget#drag-leave] signal is also emitted before the
725    /// ::drag-drop signal, for instance to allow cleaning up of a preview item
726    /// created in the [`drag-motion`][struct@crate::Widget#drag-motion] signal handler.
727    ///
728    ///
729    ///
730    ///
731    /// #### `drag-motion`
732    ///  The ::drag-motion signal is emitted on the drop site when the user
733    /// moves the cursor over the widget during a drag. The signal handler
734    /// must determine whether the cursor position is in a drop zone or not.
735    /// If it is not in a drop zone, it returns [`false`] and no further processing
736    /// is necessary. Otherwise, the handler returns [`true`]. In this case, the
737    /// handler is responsible for providing the necessary information for
738    /// displaying feedback to the user, by calling `gdk_drag_status()`.
739    ///
740    /// If the decision whether the drop will be accepted or rejected can't be
741    /// made based solely on the cursor position and the type of the data, the
742    /// handler may inspect the dragged data by calling [`WidgetExt::drag_get_data()`][crate::prelude::WidgetExt::drag_get_data()] and
743    /// defer the `gdk_drag_status()` call to the [`drag-data-received`][struct@crate::Widget#drag-data-received]
744    /// handler. Note that you must pass [`DestDefaults::DROP`][crate::DestDefaults::DROP],
745    /// [`DestDefaults::MOTION`][crate::DestDefaults::MOTION] or [`DestDefaults::ALL`][crate::DestDefaults::ALL] to [`WidgetExtManual::drag_dest_set()`][crate::prelude::WidgetExtManual::drag_dest_set()]
746    /// when using the drag-motion signal that way.
747    ///
748    /// Also note that there is no drag-enter signal. The drag receiver has to
749    /// keep track of whether he has received any drag-motion signals since the
750    /// last [`drag-leave`][struct@crate::Widget#drag-leave] and if not, treat the drag-motion signal as
751    /// an "enter" signal. Upon an "enter", the handler will typically highlight
752    /// the drop site with [`WidgetExt::drag_highlight()`][crate::prelude::WidgetExt::drag_highlight()].
753    ///
754    ///
755    /// **⚠️ The following code is in C ⚠️**
756    ///
757    /// ```C
758    /// static void
759    /// drag_motion (GtkWidget      *widget,
760    ///              GdkDragContext *context,
761    ///              gint            x,
762    ///              gint            y,
763    ///              guint           time)
764    /// {
765    ///   GdkAtom target;
766    ///
767    ///   PrivateData *private_data = GET_PRIVATE_DATA (widget);
768    ///
769    ///   if (!private_data->drag_highlight)
770    ///    {
771    ///      private_data->drag_highlight = 1;
772    ///      gtk_drag_highlight (widget);
773    ///    }
774    ///
775    ///   target = gtk_drag_dest_find_target (widget, context, NULL);
776    ///   if (target == GDK_NONE)
777    ///     gdk_drag_status (context, 0, time);
778    ///   else
779    ///    {
780    ///      private_data->pending_status
781    ///         = gdk_drag_context_get_suggested_action (context);
782    ///      gtk_drag_get_data (widget, context, target, time);
783    ///    }
784    ///
785    ///   return TRUE;
786    /// }
787    ///
788    /// static void
789    /// drag_data_received (GtkWidget        *widget,
790    ///                     GdkDragContext   *context,
791    ///                     gint              x,
792    ///                     gint              y,
793    ///                     GtkSelectionData *selection_data,
794    ///                     guint             info,
795    ///                     guint             time)
796    /// {
797    ///   PrivateData *private_data = GET_PRIVATE_DATA (widget);
798    ///
799    ///   if (private_data->suggested_action)
800    ///    {
801    ///      private_data->suggested_action = 0;
802    ///
803    ///      // We are getting this data due to a request in drag_motion,
804    ///      // rather than due to a request in drag_drop, so we are just
805    ///      // supposed to call gdk_drag_status(), not actually paste in
806    ///      // the data.
807    ///
808    ///      str = gtk_selection_data_get_text (selection_data);
809    ///      if (!data_is_acceptable (str))
810    ///        gdk_drag_status (context, 0, time);
811    ///      else
812    ///        gdk_drag_status (context,
813    ///                         private_data->suggested_action,
814    ///                         time);
815    ///    }
816    ///   else
817    ///    {
818    ///      // accept the drop
819    ///    }
820    /// }
821    /// ```
822    ///
823    ///
824    ///
825    ///
826    /// #### `draw`
827    ///  This signal is emitted when a widget is supposed to render itself.
828    /// The `widget`'s top left corner must be painted at the origin of
829    /// the passed in context and be sized to the values returned by
830    /// [`WidgetExt::allocated_width()`][crate::prelude::WidgetExt::allocated_width()] and
831    /// [`WidgetExt::allocated_height()`][crate::prelude::WidgetExt::allocated_height()].
832    ///
833    /// Signal handlers connected to this signal can modify the cairo
834    /// context passed as `cr` in any way they like and don't need to
835    /// restore it. The signal emission takes care of calling `cairo_save()`
836    /// before and `cairo_restore()` after invoking the handler.
837    ///
838    /// The signal handler will get a `cr` with a clip region already set to the
839    /// widget's dirty region, i.e. to the area that needs repainting. Complicated
840    /// widgets that want to avoid redrawing themselves completely can get the full
841    /// extents of the clip region with `gdk_cairo_get_clip_rectangle()`, or they can
842    /// get a finer-grained representation of the dirty region with
843    /// `cairo_copy_clip_rectangle_list()`.
844    ///
845    ///
846    ///
847    ///
848    /// #### `enter-notify-event`
849    ///  The ::enter-notify-event will be emitted when the pointer enters
850    /// the `widget`'s window.
851    ///
852    /// To receive this signal, the [`gdk::Window`][crate::gdk::Window] associated to the widget needs
853    /// to enable the [`gdk::EventMask::ENTER_NOTIFY_MASK`][crate::gdk::EventMask::ENTER_NOTIFY_MASK] mask.
854    ///
855    /// This signal will be sent to the grab widget if there is one.
856    ///
857    ///
858    ///
859    ///
860    /// #### `event`
861    ///  The GTK+ main loop will emit three signals for each GDK event delivered
862    /// to a widget: one generic ::event signal, another, more specific,
863    /// signal that matches the type of event delivered (e.g.
864    /// [`key-press-event`][struct@crate::Widget#key-press-event]) and finally a generic
865    /// [`event-after`][struct@crate::Widget#event-after] signal.
866    ///
867    ///
868    ///
869    ///
870    /// #### `event-after`
871    ///  After the emission of the [`event`][struct@crate::Widget#event] signal and (optionally)
872    /// the second more specific signal, ::event-after will be emitted
873    /// regardless of the previous two signals handlers return values.
874    ///
875    ///
876    ///
877    ///
878    /// #### `focus`
879    ///
880    ///
881    ///
882    /// #### `focus-in-event`
883    ///  The ::focus-in-event signal will be emitted when the keyboard focus
884    /// enters the `widget`'s window.
885    ///
886    /// To receive this signal, the [`gdk::Window`][crate::gdk::Window] associated to the widget needs
887    /// to enable the [`gdk::EventMask::FOCUS_CHANGE_MASK`][crate::gdk::EventMask::FOCUS_CHANGE_MASK] mask.
888    ///
889    ///
890    ///
891    ///
892    /// #### `focus-out-event`
893    ///  The ::focus-out-event signal will be emitted when the keyboard focus
894    /// leaves the `widget`'s window.
895    ///
896    /// To receive this signal, the [`gdk::Window`][crate::gdk::Window] associated to the widget needs
897    /// to enable the [`gdk::EventMask::FOCUS_CHANGE_MASK`][crate::gdk::EventMask::FOCUS_CHANGE_MASK] mask.
898    ///
899    ///
900    ///
901    ///
902    /// #### `grab-broken-event`
903    ///  Emitted when a pointer or keyboard grab on a window belonging
904    /// to `widget` gets broken.
905    ///
906    /// On X11, this happens when the grab window becomes unviewable
907    /// (i.e. it or one of its ancestors is unmapped), or if the same
908    /// application grabs the pointer or keyboard again.
909    ///
910    ///
911    ///
912    ///
913    /// #### `grab-focus`
914    ///  Action
915    ///
916    ///
917    /// #### `grab-notify`
918    ///  The ::grab-notify signal is emitted when a widget becomes
919    /// shadowed by a GTK+ grab (not a pointer or keyboard grab) on
920    /// another widget, or when it becomes unshadowed due to a grab
921    /// being removed.
922    ///
923    /// A widget is shadowed by a [`WidgetExt::grab_add()`][crate::prelude::WidgetExt::grab_add()] when the topmost
924    /// grab widget in the grab stack of its window group is not
925    /// its ancestor.
926    ///
927    ///
928    ///
929    ///
930    /// #### `hide`
931    ///  The ::hide signal is emitted when `widget` is hidden, for example with
932    /// [`WidgetExt::hide()`][crate::prelude::WidgetExt::hide()].
933    ///
934    ///
935    ///
936    ///
937    /// #### `hierarchy-changed`
938    ///  The ::hierarchy-changed signal is emitted when the
939    /// anchored state of a widget changes. A widget is
940    /// “anchored” when its toplevel
941    /// ancestor is a [`Window`][crate::Window]. This signal is emitted when
942    /// a widget changes from un-anchored to anchored or vice-versa.
943    ///
944    ///
945    ///
946    ///
947    /// #### `key-press-event`
948    ///  The ::key-press-event signal is emitted when a key is pressed. The signal
949    /// emission will reoccur at the key-repeat rate when the key is kept pressed.
950    ///
951    /// To receive this signal, the [`gdk::Window`][crate::gdk::Window] associated to the widget needs
952    /// to enable the [`gdk::EventMask::KEY_PRESS_MASK`][crate::gdk::EventMask::KEY_PRESS_MASK] mask.
953    ///
954    /// This signal will be sent to the grab widget if there is one.
955    ///
956    ///
957    ///
958    ///
959    /// #### `key-release-event`
960    ///  The ::key-release-event signal is emitted when a key is released.
961    ///
962    /// To receive this signal, the [`gdk::Window`][crate::gdk::Window] associated to the widget needs
963    /// to enable the [`gdk::EventMask::KEY_RELEASE_MASK`][crate::gdk::EventMask::KEY_RELEASE_MASK] mask.
964    ///
965    /// This signal will be sent to the grab widget if there is one.
966    ///
967    ///
968    ///
969    ///
970    /// #### `keynav-failed`
971    ///  Gets emitted if keyboard navigation fails.
972    /// See [`WidgetExt::keynav_failed()`][crate::prelude::WidgetExt::keynav_failed()] for details.
973    ///
974    ///
975    ///
976    ///
977    /// #### `leave-notify-event`
978    ///  The ::leave-notify-event will be emitted when the pointer leaves
979    /// the `widget`'s window.
980    ///
981    /// To receive this signal, the [`gdk::Window`][crate::gdk::Window] associated to the widget needs
982    /// to enable the [`gdk::EventMask::LEAVE_NOTIFY_MASK`][crate::gdk::EventMask::LEAVE_NOTIFY_MASK] mask.
983    ///
984    /// This signal will be sent to the grab widget if there is one.
985    ///
986    ///
987    ///
988    ///
989    /// #### `map`
990    ///  The ::map signal is emitted when `widget` is going to be mapped, that is
991    /// when the widget is visible (which is controlled with
992    /// [`WidgetExt::set_visible()`][crate::prelude::WidgetExt::set_visible()]) and all its parents up to the toplevel widget
993    /// are also visible. Once the map has occurred, [`map-event`][struct@crate::Widget#map-event] will
994    /// be emitted.
995    ///
996    /// The ::map signal can be used to determine whether a widget will be drawn,
997    /// for instance it can resume an animation that was stopped during the
998    /// emission of [`unmap`][struct@crate::Widget#unmap].
999    ///
1000    ///
1001    ///
1002    ///
1003    /// #### `map-event`
1004    ///  The ::map-event signal will be emitted when the `widget`'s window is
1005    /// mapped. A window is mapped when it becomes visible on the screen.
1006    ///
1007    /// To receive this signal, the [`gdk::Window`][crate::gdk::Window] associated to the widget needs
1008    /// to enable the [`gdk::EventMask::STRUCTURE_MASK`][crate::gdk::EventMask::STRUCTURE_MASK] mask. GDK will enable this mask
1009    /// automatically for all new windows.
1010    ///
1011    ///
1012    ///
1013    ///
1014    /// #### `mnemonic-activate`
1015    ///  The default handler for this signal activates `widget` if `group_cycling`
1016    /// is [`false`], or just makes `widget` grab focus if `group_cycling` is [`true`].
1017    ///
1018    ///
1019    ///
1020    ///
1021    /// #### `motion-notify-event`
1022    ///  The ::motion-notify-event signal is emitted when the pointer moves
1023    /// over the widget's [`gdk::Window`][crate::gdk::Window].
1024    ///
1025    /// To receive this signal, the [`gdk::Window`][crate::gdk::Window] associated to the widget
1026    /// needs to enable the [`gdk::EventMask::POINTER_MOTION_MASK`][crate::gdk::EventMask::POINTER_MOTION_MASK] mask.
1027    ///
1028    /// This signal will be sent to the grab widget if there is one.
1029    ///
1030    ///
1031    ///
1032    ///
1033    /// #### `move-focus`
1034    ///  Action
1035    ///
1036    ///
1037    /// #### `parent-set`
1038    ///  The ::parent-set signal is emitted when a new parent
1039    /// has been set on a widget.
1040    ///
1041    ///
1042    ///
1043    ///
1044    /// #### `popup-menu`
1045    ///  This signal gets emitted whenever a widget should pop up a context
1046    /// menu. This usually happens through the standard key binding mechanism;
1047    /// by pressing a certain key while a widget is focused, the user can cause
1048    /// the widget to pop up a menu. For example, the [`Entry`][crate::Entry] widget creates
1049    /// a menu with clipboard commands. See the
1050    /// [Popup Menu Migration Checklist][checklist-popup-menu]
1051    /// for an example of how to use this signal.
1052    ///
1053    /// Action
1054    ///
1055    ///
1056    /// #### `property-notify-event`
1057    ///  The ::property-notify-event signal will be emitted when a property on
1058    /// the `widget`'s window has been changed or deleted.
1059    ///
1060    /// To receive this signal, the [`gdk::Window`][crate::gdk::Window] associated to the widget needs
1061    /// to enable the [`gdk::EventMask::PROPERTY_CHANGE_MASK`][crate::gdk::EventMask::PROPERTY_CHANGE_MASK] mask.
1062    ///
1063    ///
1064    ///
1065    ///
1066    /// #### `proximity-in-event`
1067    ///  To receive this signal the [`gdk::Window`][crate::gdk::Window] associated to the widget needs
1068    /// to enable the [`gdk::EventMask::PROXIMITY_IN_MASK`][crate::gdk::EventMask::PROXIMITY_IN_MASK] mask.
1069    ///
1070    /// This signal will be sent to the grab widget if there is one.
1071    ///
1072    ///
1073    ///
1074    ///
1075    /// #### `proximity-out-event`
1076    ///  To receive this signal the [`gdk::Window`][crate::gdk::Window] associated to the widget needs
1077    /// to enable the [`gdk::EventMask::PROXIMITY_OUT_MASK`][crate::gdk::EventMask::PROXIMITY_OUT_MASK] mask.
1078    ///
1079    /// This signal will be sent to the grab widget if there is one.
1080    ///
1081    ///
1082    ///
1083    ///
1084    /// #### `query-tooltip`
1085    ///  Emitted when [`has-tooltip`][struct@crate::Widget#has-tooltip] is [`true`] and the hover timeout
1086    /// has expired with the cursor hovering "above" `widget`; or emitted when `widget` got
1087    /// focus in keyboard mode.
1088    ///
1089    /// Using the given coordinates, the signal handler should determine
1090    /// whether a tooltip should be shown for `widget`. If this is the case
1091    /// [`true`] should be returned, [`false`] otherwise. Note that if
1092    /// `keyboard_mode` is [`true`], the values of `x` and `y` are undefined and
1093    /// should not be used.
1094    ///
1095    /// The signal handler is free to manipulate `tooltip` with the therefore
1096    /// destined function calls.
1097    ///
1098    ///
1099    ///
1100    ///
1101    /// #### `realize`
1102    ///  The ::realize signal is emitted when `widget` is associated with a
1103    /// [`gdk::Window`][crate::gdk::Window], which means that [`WidgetExt::realize()`][crate::prelude::WidgetExt::realize()] has been called or the
1104    /// widget has been mapped (that is, it is going to be drawn).
1105    ///
1106    ///
1107    ///
1108    ///
1109    /// #### `screen-changed`
1110    ///  The ::screen-changed signal gets emitted when the
1111    /// screen of a widget has changed.
1112    ///
1113    ///
1114    ///
1115    ///
1116    /// #### `scroll-event`
1117    ///  The ::scroll-event signal is emitted when a button in the 4 to 7
1118    /// range is pressed. Wheel mice are usually configured to generate
1119    /// button press events for buttons 4 and 5 when the wheel is turned.
1120    ///
1121    /// To receive this signal, the [`gdk::Window`][crate::gdk::Window] associated to the widget needs
1122    /// to enable the [`gdk::EventMask::SCROLL_MASK`][crate::gdk::EventMask::SCROLL_MASK] mask.
1123    ///
1124    /// This signal will be sent to the grab widget if there is one.
1125    ///
1126    ///
1127    ///
1128    ///
1129    /// #### `selection-clear-event`
1130    ///  The ::selection-clear-event signal will be emitted when the
1131    /// the `widget`'s window has lost ownership of a selection.
1132    ///
1133    ///
1134    ///
1135    ///
1136    /// #### `selection-get`
1137    ///
1138    ///
1139    ///
1140    /// #### `selection-notify-event`
1141    ///
1142    ///
1143    ///
1144    /// #### `selection-received`
1145    ///
1146    ///
1147    ///
1148    /// #### `selection-request-event`
1149    ///  The ::selection-request-event signal will be emitted when
1150    /// another client requests ownership of the selection owned by
1151    /// the `widget`'s window.
1152    ///
1153    ///
1154    ///
1155    ///
1156    /// #### `show`
1157    ///  The ::show signal is emitted when `widget` is shown, for example with
1158    /// [`WidgetExt::show()`][crate::prelude::WidgetExt::show()].
1159    ///
1160    ///
1161    ///
1162    ///
1163    /// #### `show-help`
1164    ///  Action
1165    ///
1166    ///
1167    /// #### `size-allocate`
1168    ///
1169    ///
1170    ///
1171    /// #### `state-changed`
1172    ///  The ::state-changed signal is emitted when the widget state changes.
1173    /// See `gtk_widget_get_state()`.
1174    ///
1175    ///
1176    ///
1177    ///
1178    /// #### `state-flags-changed`
1179    ///  The ::state-flags-changed signal is emitted when the widget state
1180    /// changes, see [`WidgetExt::state_flags()`][crate::prelude::WidgetExt::state_flags()].
1181    ///
1182    ///
1183    ///
1184    ///
1185    /// #### `style-set`
1186    ///  The ::style-set signal is emitted when a new style has been set
1187    /// on a widget. Note that style-modifying functions like
1188    /// `gtk_widget_modify_base()` also cause this signal to be emitted.
1189    ///
1190    /// Note that this signal is emitted for changes to the deprecated
1191    /// `GtkStyle`. To track changes to the [`StyleContext`][crate::StyleContext] associated
1192    /// with a widget, use the [`style-updated`][struct@crate::Widget#style-updated] signal.
1193    ///
1194    ///
1195    ///
1196    ///
1197    /// #### `style-updated`
1198    ///  The ::style-updated signal is a convenience signal that is emitted when the
1199    /// [`changed`][struct@crate::StyleContext#changed] signal is emitted on the `widget`'s associated
1200    /// [`StyleContext`][crate::StyleContext] as returned by [`WidgetExt::style_context()`][crate::prelude::WidgetExt::style_context()].
1201    ///
1202    /// Note that style-modifying functions like `gtk_widget_override_color()` also
1203    /// cause this signal to be emitted.
1204    ///
1205    ///
1206    ///
1207    ///
1208    /// #### `touch-event`
1209    ///
1210    ///
1211    ///
1212    /// #### `unmap`
1213    ///  The ::unmap signal is emitted when `widget` is going to be unmapped, which
1214    /// means that either it or any of its parents up to the toplevel widget have
1215    /// been set as hidden.
1216    ///
1217    /// As ::unmap indicates that a widget will not be shown any longer, it can be
1218    /// used to, for example, stop an animation on the widget.
1219    ///
1220    ///
1221    ///
1222    ///
1223    /// #### `unmap-event`
1224    ///  The ::unmap-event signal will be emitted when the `widget`'s window is
1225    /// unmapped. A window is unmapped when it becomes invisible on the screen.
1226    ///
1227    /// To receive this signal, the [`gdk::Window`][crate::gdk::Window] associated to the widget needs
1228    /// to enable the [`gdk::EventMask::STRUCTURE_MASK`][crate::gdk::EventMask::STRUCTURE_MASK] mask. GDK will enable this mask
1229    /// automatically for all new windows.
1230    ///
1231    ///
1232    ///
1233    ///
1234    /// #### `unrealize`
1235    ///  The ::unrealize signal is emitted when the [`gdk::Window`][crate::gdk::Window] associated with
1236    /// `widget` is destroyed, which means that [`WidgetExt::unrealize()`][crate::prelude::WidgetExt::unrealize()] has been
1237    /// called or the widget has been unmapped (that is, it is going to be
1238    /// hidden).
1239    ///
1240    ///
1241    ///
1242    ///
1243    /// #### `visibility-notify-event`
1244    ///  The ::visibility-notify-event will be emitted when the `widget`'s
1245    /// window is obscured or unobscured.
1246    ///
1247    /// To receive this signal the [`gdk::Window`][crate::gdk::Window] associated to the widget needs
1248    /// to enable the [`gdk::EventMask::VISIBILITY_NOTIFY_MASK`][crate::gdk::EventMask::VISIBILITY_NOTIFY_MASK] mask.
1249    ///
1250    ///
1251    ///
1252    ///
1253    /// #### `window-state-event`
1254    ///  The ::window-state-event will be emitted when the state of the
1255    /// toplevel window associated to the `widget` changes.
1256    ///
1257    /// To receive this signal the [`gdk::Window`][crate::gdk::Window] associated to the widget
1258    /// needs to enable the [`gdk::EventMask::STRUCTURE_MASK`][crate::gdk::EventMask::STRUCTURE_MASK] mask. GDK will enable
1259    /// this mask automatically for all new windows.
1260    ///
1261    ///
1262    /// </details>
1263    ///
1264    /// # Implements
1265    ///
1266    /// [`CheckMenuItemExt`][trait@crate::prelude::CheckMenuItemExt], [`GtkMenuItemExt`][trait@crate::prelude::GtkMenuItemExt], [`BinExt`][trait@crate::prelude::BinExt], [`ContainerExt`][trait@crate::prelude::ContainerExt], [`WidgetExt`][trait@crate::prelude::WidgetExt], [`trait@glib::ObjectExt`], [`BuildableExt`][trait@crate::prelude::BuildableExt], [`ActionableExt`][trait@crate::prelude::ActionableExt], [`ContainerExtManual`][trait@crate::prelude::ContainerExtManual], [`WidgetExtManual`][trait@crate::prelude::WidgetExtManual], [`BuildableExtManual`][trait@crate::prelude::BuildableExtManual]
1267    #[doc(alias = "GtkCheckMenuItem")]
1268    pub struct CheckMenuItem(Object<ffi::GtkCheckMenuItem, ffi::GtkCheckMenuItemClass>) @extends MenuItem, Bin, Container, Widget, @implements Buildable, Actionable;
1269
1270    match fn {
1271        type_ => || ffi::gtk_check_menu_item_get_type(),
1272    }
1273}
1274
1275impl CheckMenuItem {
1276    pub const NONE: Option<&'static CheckMenuItem> = None;
1277
1278    /// Creates a new [`CheckMenuItem`][crate::CheckMenuItem].
1279    ///
1280    /// # Returns
1281    ///
1282    /// a new [`CheckMenuItem`][crate::CheckMenuItem].
1283    #[doc(alias = "gtk_check_menu_item_new")]
1284    pub fn new() -> CheckMenuItem {
1285        assert_initialized_main_thread!();
1286        unsafe { Widget::from_glib_none(ffi::gtk_check_menu_item_new()).unsafe_cast() }
1287    }
1288
1289    /// Creates a new [`CheckMenuItem`][crate::CheckMenuItem] with a label.
1290    /// ## `label`
1291    /// the string to use for the label.
1292    ///
1293    /// # Returns
1294    ///
1295    /// a new [`CheckMenuItem`][crate::CheckMenuItem].
1296    #[doc(alias = "gtk_check_menu_item_new_with_label")]
1297    #[doc(alias = "new_with_label")]
1298    pub fn with_label(label: &str) -> CheckMenuItem {
1299        assert_initialized_main_thread!();
1300        unsafe {
1301            Widget::from_glib_none(ffi::gtk_check_menu_item_new_with_label(
1302                label.to_glib_none().0,
1303            ))
1304            .unsafe_cast()
1305        }
1306    }
1307
1308    /// Creates a new [`CheckMenuItem`][crate::CheckMenuItem] containing a label. The label
1309    /// will be created using [`Label::with_mnemonic()`][crate::Label::with_mnemonic()], so underscores
1310    /// in `label` indicate the mnemonic for the menu item.
1311    /// ## `label`
1312    /// The text of the button, with an underscore in front of the
1313    ///  character
1314    ///
1315    /// # Returns
1316    ///
1317    /// a new [`CheckMenuItem`][crate::CheckMenuItem]
1318    #[doc(alias = "gtk_check_menu_item_new_with_mnemonic")]
1319    #[doc(alias = "new_with_mnemonic")]
1320    pub fn with_mnemonic(label: &str) -> CheckMenuItem {
1321        assert_initialized_main_thread!();
1322        unsafe {
1323            Widget::from_glib_none(ffi::gtk_check_menu_item_new_with_mnemonic(
1324                label.to_glib_none().0,
1325            ))
1326            .unsafe_cast()
1327        }
1328    }
1329
1330    // rustdoc-stripper-ignore-next
1331    /// Creates a new builder-pattern struct instance to construct [`CheckMenuItem`] objects.
1332    ///
1333    /// This method returns an instance of [`CheckMenuItemBuilder`](crate::builders::CheckMenuItemBuilder) which can be used to create [`CheckMenuItem`] objects.
1334    pub fn builder() -> CheckMenuItemBuilder {
1335        CheckMenuItemBuilder::new()
1336    }
1337}
1338
1339impl Default for CheckMenuItem {
1340    fn default() -> Self {
1341        Self::new()
1342    }
1343}
1344
1345// rustdoc-stripper-ignore-next
1346/// A [builder-pattern] type to construct [`CheckMenuItem`] objects.
1347///
1348/// [builder-pattern]: https://doc.rust-lang.org/1.0.0/style/ownership/builders.html
1349#[must_use = "The builder must be built to be used"]
1350pub struct CheckMenuItemBuilder {
1351    builder: glib::object::ObjectBuilder<'static, CheckMenuItem>,
1352}
1353
1354impl CheckMenuItemBuilder {
1355    fn new() -> Self {
1356        Self {
1357            builder: glib::object::Object::builder(),
1358        }
1359    }
1360
1361    pub fn active(self, active: bool) -> Self {
1362        Self {
1363            builder: self.builder.property("active", active),
1364        }
1365    }
1366
1367    pub fn draw_as_radio(self, draw_as_radio: bool) -> Self {
1368        Self {
1369            builder: self.builder.property("draw-as-radio", draw_as_radio),
1370        }
1371    }
1372
1373    pub fn inconsistent(self, inconsistent: bool) -> Self {
1374        Self {
1375            builder: self.builder.property("inconsistent", inconsistent),
1376        }
1377    }
1378
1379    /// Sets the accelerator path of the menu item, through which runtime
1380    /// changes of the menu item's accelerator caused by the user can be
1381    /// identified and saved to persistant storage.
1382    pub fn accel_path(self, accel_path: impl Into<glib::GString>) -> Self {
1383        Self {
1384            builder: self.builder.property("accel-path", accel_path.into()),
1385        }
1386    }
1387
1388    /// The text for the child label.
1389    pub fn label(self, label: impl Into<glib::GString>) -> Self {
1390        Self {
1391            builder: self.builder.property("label", label.into()),
1392        }
1393    }
1394
1395    /// Sets whether the menu item appears justified
1396    /// at the right side of a menu bar.
1397    pub fn right_justified(self, right_justified: bool) -> Self {
1398        Self {
1399            builder: self.builder.property("right-justified", right_justified),
1400        }
1401    }
1402
1403    /// The submenu attached to the menu item, or [`None`] if it has none.
1404    pub fn submenu(self, submenu: &impl IsA<Menu>) -> Self {
1405        Self {
1406            builder: self.builder.property("submenu", submenu.clone().upcast()),
1407        }
1408    }
1409
1410    /// [`true`] if underlines in the text indicate mnemonics.
1411    pub fn use_underline(self, use_underline: bool) -> Self {
1412        Self {
1413            builder: self.builder.property("use-underline", use_underline),
1414        }
1415    }
1416
1417    pub fn border_width(self, border_width: u32) -> Self {
1418        Self {
1419            builder: self.builder.property("border-width", border_width),
1420        }
1421    }
1422
1423    pub fn child(self, child: &impl IsA<Widget>) -> Self {
1424        Self {
1425            builder: self.builder.property("child", child.clone().upcast()),
1426        }
1427    }
1428
1429    pub fn resize_mode(self, resize_mode: ResizeMode) -> Self {
1430        Self {
1431            builder: self.builder.property("resize-mode", resize_mode),
1432        }
1433    }
1434
1435    pub fn app_paintable(self, app_paintable: bool) -> Self {
1436        Self {
1437            builder: self.builder.property("app-paintable", app_paintable),
1438        }
1439    }
1440
1441    pub fn can_default(self, can_default: bool) -> Self {
1442        Self {
1443            builder: self.builder.property("can-default", can_default),
1444        }
1445    }
1446
1447    pub fn can_focus(self, can_focus: bool) -> Self {
1448        Self {
1449            builder: self.builder.property("can-focus", can_focus),
1450        }
1451    }
1452
1453    pub fn events(self, events: gdk::EventMask) -> Self {
1454        Self {
1455            builder: self.builder.property("events", events),
1456        }
1457    }
1458
1459    /// Whether to expand in both directions. Setting this sets both [`hexpand`][struct@crate::Widget#hexpand] and [`vexpand`][struct@crate::Widget#vexpand]
1460    pub fn expand(self, expand: bool) -> Self {
1461        Self {
1462            builder: self.builder.property("expand", expand),
1463        }
1464    }
1465
1466    /// Whether the widget should grab focus when it is clicked with the mouse.
1467    ///
1468    /// This property is only relevant for widgets that can take focus.
1469    ///
1470    /// Before 3.20, several widgets (GtkButton, GtkFileChooserButton,
1471    /// GtkComboBox) implemented this property individually.
1472    pub fn focus_on_click(self, focus_on_click: bool) -> Self {
1473        Self {
1474            builder: self.builder.property("focus-on-click", focus_on_click),
1475        }
1476    }
1477
1478    /// How to distribute horizontal space if widget gets extra space, see [`Align`][crate::Align]
1479    pub fn halign(self, halign: Align) -> Self {
1480        Self {
1481            builder: self.builder.property("halign", halign),
1482        }
1483    }
1484
1485    pub fn has_default(self, has_default: bool) -> Self {
1486        Self {
1487            builder: self.builder.property("has-default", has_default),
1488        }
1489    }
1490
1491    pub fn has_focus(self, has_focus: bool) -> Self {
1492        Self {
1493            builder: self.builder.property("has-focus", has_focus),
1494        }
1495    }
1496
1497    /// Enables or disables the emission of [`query-tooltip`][struct@crate::Widget#query-tooltip] on `widget`.
1498    /// A value of [`true`] indicates that `widget` can have a tooltip, in this case
1499    /// the widget will be queried using [`query-tooltip`][struct@crate::Widget#query-tooltip] to determine
1500    /// whether it will provide a tooltip or not.
1501    ///
1502    /// Note that setting this property to [`true`] for the first time will change
1503    /// the event masks of the GdkWindows of this widget to include leave-notify
1504    /// and motion-notify events. This cannot and will not be undone when the
1505    /// property is set to [`false`] again.
1506    pub fn has_tooltip(self, has_tooltip: bool) -> Self {
1507        Self {
1508            builder: self.builder.property("has-tooltip", has_tooltip),
1509        }
1510    }
1511
1512    pub fn height_request(self, height_request: i32) -> Self {
1513        Self {
1514            builder: self.builder.property("height-request", height_request),
1515        }
1516    }
1517
1518    /// Whether to expand horizontally. See [`WidgetExt::set_hexpand()`][crate::prelude::WidgetExt::set_hexpand()].
1519    pub fn hexpand(self, hexpand: bool) -> Self {
1520        Self {
1521            builder: self.builder.property("hexpand", hexpand),
1522        }
1523    }
1524
1525    /// Whether to use the [`hexpand`][struct@crate::Widget#hexpand] property. See [`WidgetExt::is_hexpand_set()`][crate::prelude::WidgetExt::is_hexpand_set()].
1526    pub fn hexpand_set(self, hexpand_set: bool) -> Self {
1527        Self {
1528            builder: self.builder.property("hexpand-set", hexpand_set),
1529        }
1530    }
1531
1532    pub fn is_focus(self, is_focus: bool) -> Self {
1533        Self {
1534            builder: self.builder.property("is-focus", is_focus),
1535        }
1536    }
1537
1538    /// Sets all four sides' margin at once. If read, returns max
1539    /// margin on any side.
1540    pub fn margin(self, margin: i32) -> Self {
1541        Self {
1542            builder: self.builder.property("margin", margin),
1543        }
1544    }
1545
1546    /// Margin on bottom side of widget.
1547    ///
1548    /// This property adds margin outside of the widget's normal size
1549    /// request, the margin will be added in addition to the size from
1550    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
1551    pub fn margin_bottom(self, margin_bottom: i32) -> Self {
1552        Self {
1553            builder: self.builder.property("margin-bottom", margin_bottom),
1554        }
1555    }
1556
1557    /// Margin on end of widget, horizontally. This property supports
1558    /// left-to-right and right-to-left text directions.
1559    ///
1560    /// This property adds margin outside of the widget's normal size
1561    /// request, the margin will be added in addition to the size from
1562    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
1563    pub fn margin_end(self, margin_end: i32) -> Self {
1564        Self {
1565            builder: self.builder.property("margin-end", margin_end),
1566        }
1567    }
1568
1569    /// Margin on start of widget, horizontally. This property supports
1570    /// left-to-right and right-to-left text directions.
1571    ///
1572    /// This property adds margin outside of the widget's normal size
1573    /// request, the margin will be added in addition to the size from
1574    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
1575    pub fn margin_start(self, margin_start: i32) -> Self {
1576        Self {
1577            builder: self.builder.property("margin-start", margin_start),
1578        }
1579    }
1580
1581    /// Margin on top side of widget.
1582    ///
1583    /// This property adds margin outside of the widget's normal size
1584    /// request, the margin will be added in addition to the size from
1585    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
1586    pub fn margin_top(self, margin_top: i32) -> Self {
1587        Self {
1588            builder: self.builder.property("margin-top", margin_top),
1589        }
1590    }
1591
1592    pub fn name(self, name: impl Into<glib::GString>) -> Self {
1593        Self {
1594            builder: self.builder.property("name", name.into()),
1595        }
1596    }
1597
1598    pub fn no_show_all(self, no_show_all: bool) -> Self {
1599        Self {
1600            builder: self.builder.property("no-show-all", no_show_all),
1601        }
1602    }
1603
1604    /// The requested opacity of the widget. See [`WidgetExt::set_opacity()`][crate::prelude::WidgetExt::set_opacity()] for
1605    /// more details about window opacity.
1606    ///
1607    /// Before 3.8 this was only available in GtkWindow
1608    pub fn opacity(self, opacity: f64) -> Self {
1609        Self {
1610            builder: self.builder.property("opacity", opacity),
1611        }
1612    }
1613
1614    pub fn parent(self, parent: &impl IsA<Container>) -> Self {
1615        Self {
1616            builder: self.builder.property("parent", parent.clone().upcast()),
1617        }
1618    }
1619
1620    pub fn receives_default(self, receives_default: bool) -> Self {
1621        Self {
1622            builder: self.builder.property("receives-default", receives_default),
1623        }
1624    }
1625
1626    pub fn sensitive(self, sensitive: bool) -> Self {
1627        Self {
1628            builder: self.builder.property("sensitive", sensitive),
1629        }
1630    }
1631
1632    /// Sets the text of tooltip to be the given string, which is marked up
1633    /// with the [Pango text markup language][PangoMarkupFormat].
1634    /// Also see [`Tooltip::set_markup()`][crate::Tooltip::set_markup()].
1635    ///
1636    /// This is a convenience property which will take care of getting the
1637    /// tooltip shown if the given string is not [`None`]: [`has-tooltip`][struct@crate::Widget#has-tooltip]
1638    /// will automatically be set to [`true`] and there will be taken care of
1639    /// [`query-tooltip`][struct@crate::Widget#query-tooltip] in the default signal handler.
1640    ///
1641    /// Note that if both [`tooltip-text`][struct@crate::Widget#tooltip-text] and [`tooltip-markup`][struct@crate::Widget#tooltip-markup]
1642    /// are set, the last one wins.
1643    pub fn tooltip_markup(self, tooltip_markup: impl Into<glib::GString>) -> Self {
1644        Self {
1645            builder: self
1646                .builder
1647                .property("tooltip-markup", tooltip_markup.into()),
1648        }
1649    }
1650
1651    /// Sets the text of tooltip to be the given string.
1652    ///
1653    /// Also see [`Tooltip::set_text()`][crate::Tooltip::set_text()].
1654    ///
1655    /// This is a convenience property which will take care of getting the
1656    /// tooltip shown if the given string is not [`None`]: [`has-tooltip`][struct@crate::Widget#has-tooltip]
1657    /// will automatically be set to [`true`] and there will be taken care of
1658    /// [`query-tooltip`][struct@crate::Widget#query-tooltip] in the default signal handler.
1659    ///
1660    /// Note that if both [`tooltip-text`][struct@crate::Widget#tooltip-text] and [`tooltip-markup`][struct@crate::Widget#tooltip-markup]
1661    /// are set, the last one wins.
1662    pub fn tooltip_text(self, tooltip_text: impl Into<glib::GString>) -> Self {
1663        Self {
1664            builder: self.builder.property("tooltip-text", tooltip_text.into()),
1665        }
1666    }
1667
1668    /// How to distribute vertical space if widget gets extra space, see [`Align`][crate::Align]
1669    pub fn valign(self, valign: Align) -> Self {
1670        Self {
1671            builder: self.builder.property("valign", valign),
1672        }
1673    }
1674
1675    /// Whether to expand vertically. See [`WidgetExt::set_vexpand()`][crate::prelude::WidgetExt::set_vexpand()].
1676    pub fn vexpand(self, vexpand: bool) -> Self {
1677        Self {
1678            builder: self.builder.property("vexpand", vexpand),
1679        }
1680    }
1681
1682    /// Whether to use the [`vexpand`][struct@crate::Widget#vexpand] property. See [`WidgetExt::is_vexpand_set()`][crate::prelude::WidgetExt::is_vexpand_set()].
1683    pub fn vexpand_set(self, vexpand_set: bool) -> Self {
1684        Self {
1685            builder: self.builder.property("vexpand-set", vexpand_set),
1686        }
1687    }
1688
1689    pub fn visible(self, visible: bool) -> Self {
1690        Self {
1691            builder: self.builder.property("visible", visible),
1692        }
1693    }
1694
1695    pub fn width_request(self, width_request: i32) -> Self {
1696        Self {
1697            builder: self.builder.property("width-request", width_request),
1698        }
1699    }
1700
1701    pub fn action_name(self, action_name: impl Into<glib::GString>) -> Self {
1702        Self {
1703            builder: self.builder.property("action-name", action_name.into()),
1704        }
1705    }
1706
1707    pub fn action_target(self, action_target: &glib::Variant) -> Self {
1708        Self {
1709            builder: self
1710                .builder
1711                .property("action-target", action_target.clone()),
1712        }
1713    }
1714
1715    // rustdoc-stripper-ignore-next
1716    /// Build the [`CheckMenuItem`].
1717    #[must_use = "Building the object from the builder is usually expensive and is not expected to have side effects"]
1718    pub fn build(self) -> CheckMenuItem {
1719        assert_initialized_main_thread!();
1720        self.builder.build()
1721    }
1722}
1723
1724/// Trait containing all [`struct@CheckMenuItem`] methods.
1725///
1726/// # Implementors
1727///
1728/// [`CheckMenuItem`][struct@crate::CheckMenuItem], [`RadioMenuItem`][struct@crate::RadioMenuItem]
1729pub trait CheckMenuItemExt: IsA<CheckMenuItem> + 'static {
1730    /// Returns whether the check menu item is active. See
1731    /// gtk_check_menu_item_set_active ().
1732    ///
1733    /// # Returns
1734    ///
1735    /// [`true`] if the menu item is checked.
1736    #[doc(alias = "gtk_check_menu_item_get_active")]
1737    #[doc(alias = "get_active")]
1738    #[doc(alias = "active")]
1739    fn is_active(&self) -> bool {
1740        unsafe {
1741            from_glib(ffi::gtk_check_menu_item_get_active(
1742                self.as_ref().to_glib_none().0,
1743            ))
1744        }
1745    }
1746
1747    /// Returns whether `self` looks like a [`RadioMenuItem`][crate::RadioMenuItem]
1748    ///
1749    /// # Returns
1750    ///
1751    /// Whether `self` looks like a [`RadioMenuItem`][crate::RadioMenuItem]
1752    #[doc(alias = "gtk_check_menu_item_get_draw_as_radio")]
1753    #[doc(alias = "get_draw_as_radio")]
1754    #[doc(alias = "draw-as-radio")]
1755    fn draws_as_radio(&self) -> bool {
1756        unsafe {
1757            from_glib(ffi::gtk_check_menu_item_get_draw_as_radio(
1758                self.as_ref().to_glib_none().0,
1759            ))
1760        }
1761    }
1762
1763    /// Retrieves the value set by [`set_inconsistent()`][Self::set_inconsistent()].
1764    ///
1765    /// # Returns
1766    ///
1767    /// [`true`] if inconsistent
1768    #[doc(alias = "gtk_check_menu_item_get_inconsistent")]
1769    #[doc(alias = "get_inconsistent")]
1770    #[doc(alias = "inconsistent")]
1771    fn is_inconsistent(&self) -> bool {
1772        unsafe {
1773            from_glib(ffi::gtk_check_menu_item_get_inconsistent(
1774                self.as_ref().to_glib_none().0,
1775            ))
1776        }
1777    }
1778
1779    /// Sets the active state of the menu item’s check box.
1780    /// ## `is_active`
1781    /// boolean value indicating whether the check box is active.
1782    #[doc(alias = "gtk_check_menu_item_set_active")]
1783    #[doc(alias = "active")]
1784    fn set_active(&self, is_active: bool) {
1785        unsafe {
1786            ffi::gtk_check_menu_item_set_active(
1787                self.as_ref().to_glib_none().0,
1788                is_active.into_glib(),
1789            );
1790        }
1791    }
1792
1793    /// Sets whether `self` is drawn like a [`RadioMenuItem`][crate::RadioMenuItem]
1794    /// ## `draw_as_radio`
1795    /// whether `self` is drawn like a [`RadioMenuItem`][crate::RadioMenuItem]
1796    #[doc(alias = "gtk_check_menu_item_set_draw_as_radio")]
1797    #[doc(alias = "draw-as-radio")]
1798    fn set_draw_as_radio(&self, draw_as_radio: bool) {
1799        unsafe {
1800            ffi::gtk_check_menu_item_set_draw_as_radio(
1801                self.as_ref().to_glib_none().0,
1802                draw_as_radio.into_glib(),
1803            );
1804        }
1805    }
1806
1807    /// If the user has selected a range of elements (such as some text or
1808    /// spreadsheet cells) that are affected by a boolean setting, and the
1809    /// current values in that range are inconsistent, you may want to
1810    /// display the check in an “in between” state. This function turns on
1811    /// “in between” display. Normally you would turn off the inconsistent
1812    /// state again if the user explicitly selects a setting. This has to be
1813    /// done manually, [`set_inconsistent()`][Self::set_inconsistent()] only affects
1814    /// visual appearance, it doesn’t affect the semantics of the widget.
1815    /// ## `setting`
1816    /// [`true`] to display an “inconsistent” third state check
1817    #[doc(alias = "gtk_check_menu_item_set_inconsistent")]
1818    #[doc(alias = "inconsistent")]
1819    fn set_inconsistent(&self, setting: bool) {
1820        unsafe {
1821            ffi::gtk_check_menu_item_set_inconsistent(
1822                self.as_ref().to_glib_none().0,
1823                setting.into_glib(),
1824            );
1825        }
1826    }
1827
1828    /// Emits the [`toggled`][struct@crate::CheckMenuItem#toggled] signal.
1829    #[doc(alias = "gtk_check_menu_item_toggled")]
1830    fn toggled(&self) {
1831        unsafe {
1832            ffi::gtk_check_menu_item_toggled(self.as_ref().to_glib_none().0);
1833        }
1834    }
1835
1836    /// This signal is emitted when the state of the check box is changed.
1837    ///
1838    /// A signal handler can use [`is_active()`][Self::is_active()]
1839    /// to discover the new state.
1840    #[doc(alias = "toggled")]
1841    fn connect_toggled<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
1842        unsafe extern "C" fn toggled_trampoline<P: IsA<CheckMenuItem>, F: Fn(&P) + 'static>(
1843            this: *mut ffi::GtkCheckMenuItem,
1844            f: glib::ffi::gpointer,
1845        ) {
1846            unsafe {
1847                let f: &F = &*(f as *const F);
1848                f(CheckMenuItem::from_glib_borrow(this).unsafe_cast_ref())
1849            }
1850        }
1851        unsafe {
1852            let f: Box_<F> = Box_::new(f);
1853            connect_raw(
1854                self.as_ptr() as *mut _,
1855                c"toggled".as_ptr(),
1856                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
1857                    toggled_trampoline::<Self, F> as *const (),
1858                )),
1859                Box_::into_raw(f),
1860            )
1861        }
1862    }
1863
1864    #[doc(alias = "active")]
1865    fn connect_active_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
1866        unsafe extern "C" fn notify_active_trampoline<
1867            P: IsA<CheckMenuItem>,
1868            F: Fn(&P) + 'static,
1869        >(
1870            this: *mut ffi::GtkCheckMenuItem,
1871            _param_spec: glib::ffi::gpointer,
1872            f: glib::ffi::gpointer,
1873        ) {
1874            unsafe {
1875                let f: &F = &*(f as *const F);
1876                f(CheckMenuItem::from_glib_borrow(this).unsafe_cast_ref())
1877            }
1878        }
1879        unsafe {
1880            let f: Box_<F> = Box_::new(f);
1881            connect_raw(
1882                self.as_ptr() as *mut _,
1883                c"notify::active".as_ptr(),
1884                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
1885                    notify_active_trampoline::<Self, F> as *const (),
1886                )),
1887                Box_::into_raw(f),
1888            )
1889        }
1890    }
1891
1892    #[doc(alias = "draw-as-radio")]
1893    fn connect_draw_as_radio_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
1894        unsafe extern "C" fn notify_draw_as_radio_trampoline<
1895            P: IsA<CheckMenuItem>,
1896            F: Fn(&P) + 'static,
1897        >(
1898            this: *mut ffi::GtkCheckMenuItem,
1899            _param_spec: glib::ffi::gpointer,
1900            f: glib::ffi::gpointer,
1901        ) {
1902            unsafe {
1903                let f: &F = &*(f as *const F);
1904                f(CheckMenuItem::from_glib_borrow(this).unsafe_cast_ref())
1905            }
1906        }
1907        unsafe {
1908            let f: Box_<F> = Box_::new(f);
1909            connect_raw(
1910                self.as_ptr() as *mut _,
1911                c"notify::draw-as-radio".as_ptr(),
1912                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
1913                    notify_draw_as_radio_trampoline::<Self, F> as *const (),
1914                )),
1915                Box_::into_raw(f),
1916            )
1917        }
1918    }
1919
1920    #[doc(alias = "inconsistent")]
1921    fn connect_inconsistent_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
1922        unsafe extern "C" fn notify_inconsistent_trampoline<
1923            P: IsA<CheckMenuItem>,
1924            F: Fn(&P) + 'static,
1925        >(
1926            this: *mut ffi::GtkCheckMenuItem,
1927            _param_spec: glib::ffi::gpointer,
1928            f: glib::ffi::gpointer,
1929        ) {
1930            unsafe {
1931                let f: &F = &*(f as *const F);
1932                f(CheckMenuItem::from_glib_borrow(this).unsafe_cast_ref())
1933            }
1934        }
1935        unsafe {
1936            let f: Box_<F> = Box_::new(f);
1937            connect_raw(
1938                self.as_ptr() as *mut _,
1939                c"notify::inconsistent".as_ptr(),
1940                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
1941                    notify_inconsistent_trampoline::<Self, F> as *const (),
1942                )),
1943                Box_::into_raw(f),
1944            )
1945        }
1946    }
1947}
1948
1949impl<O: IsA<CheckMenuItem>> CheckMenuItemExt for O {}