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gtk4/auto/
drawing_area.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
5#[cfg(feature = "v4_10")]
6#[cfg_attr(docsrs, doc(cfg(feature = "v4_10")))]
7use crate::Accessible;
8use crate::{
9    AccessibleRole, Align, Buildable, ConstraintTarget, LayoutManager, Overflow, Widget, ffi,
10};
11use glib::{
12    object::ObjectType as _,
13    prelude::*,
14    signal::{SignalHandlerId, connect_raw},
15    translate::*,
16};
17use std::boxed::Box as Box_;
18
19#[cfg(feature = "v4_10")]
20#[cfg_attr(docsrs, doc(cfg(feature = "v4_10")))]
21glib::wrapper! {
22    ///  property on the drawing area, and you should probably
23    /// draw some user-visible indication that the drawing area is focused.
24    ///
25    /// If you need more complex control over your widget, you should consider
26    /// creating your own [`Widget`][crate::Widget] subclass.
27    ///
28    /// ## Properties
29    ///
30    ///
31    /// #### `content-height`
32    ///  The content height.
33    ///
34    /// Readable | Writable
35    ///
36    ///
37    /// #### `content-width`
38    ///  The content width.
39    ///
40    /// Readable | Writable
41    /// <details><summary><h4>Widget</h4></summary>
42    ///
43    ///
44    /// #### `can-focus`
45    ///  Whether the widget or any of its descendents can accept
46    /// the input focus.
47    ///
48    /// This property is meant to be set by widget implementations,
49    /// typically in their instance init function.
50    ///
51    /// Readable | Writable
52    ///
53    ///
54    /// #### `can-target`
55    ///  Whether the widget can receive pointer events.
56    ///
57    /// Readable | Writable
58    ///
59    ///
60    /// #### `css-classes`
61    ///  A list of css classes applied to this widget.
62    ///
63    /// Readable | Writable
64    ///
65    ///
66    /// #### `css-name`
67    ///  The name of this widget in the CSS tree.
68    ///
69    /// This property is meant to be set by widget implementations,
70    /// typically in their instance init function.
71    ///
72    /// Readable | Writable | Construct Only
73    ///
74    ///
75    /// #### `cursor`
76    ///  The cursor used by @widget.
77    ///
78    /// Readable | Writable
79    ///
80    ///
81    /// #### `focus-on-click`
82    ///  Whether the widget should grab focus when it is clicked with the mouse.
83    ///
84    /// This property is only relevant for widgets that can take focus.
85    ///
86    /// Readable | Writable
87    ///
88    ///
89    /// #### `focusable`
90    ///  Whether this widget itself will accept the input focus.
91    ///
92    /// Readable | Writable
93    ///
94    ///
95    /// #### `halign`
96    ///  How to distribute horizontal space if widget gets extra space.
97    ///
98    /// Readable | Writable
99    ///
100    ///
101    /// #### `has-default`
102    ///  Whether the widget is the default widget.
103    ///
104    /// Readable
105    ///
106    ///
107    /// #### `has-focus`
108    ///  Whether the widget has the input focus.
109    ///
110    /// Readable
111    ///
112    ///
113    /// #### `has-tooltip`
114    ///  Enables or disables the emission of the [`query-tooltip`][struct@crate::Widget#query-tooltip]
115    /// signal on @widget.
116    ///
117    /// A true value indicates that @widget can have a tooltip, in this case
118    /// the widget will be queried using [`query-tooltip`][struct@crate::Widget#query-tooltip] to
119    /// determine whether it will provide a tooltip or not.
120    ///
121    /// Readable | Writable
122    ///
123    ///
124    /// #### `height-request`
125    ///  Overrides for height request of the widget.
126    ///
127    /// If this is -1, the natural request will be used.
128    ///
129    /// Readable | Writable
130    ///
131    ///
132    /// #### `hexpand`
133    ///  Whether to expand horizontally.
134    ///
135    /// Readable | Writable
136    ///
137    ///
138    /// #### `hexpand-set`
139    ///  Whether to use the `hexpand` property.
140    ///
141    /// Readable | Writable
142    ///
143    ///
144    /// #### `layout-manager`
145    ///  The [`LayoutManager`][crate::LayoutManager] instance to use to compute
146    /// the preferred size of the widget, and allocate its children.
147    ///
148    /// This property is meant to be set by widget implementations,
149    /// typically in their instance init function.
150    ///
151    /// Readable | Writable
152    ///
153    ///
154    /// #### `limit-events`
155    ///  Makes this widget act like a modal dialog, with respect to
156    /// event delivery.
157    ///
158    /// Global event controllers will not handle events with targets
159    /// inside the widget, unless they are set up to ignore propagation
160    /// limits. See [`EventControllerExt::set_propagation_limit()`][crate::prelude::EventControllerExt::set_propagation_limit()].
161    ///
162    /// Readable | Writable
163    ///
164    ///
165    /// #### `margin-bottom`
166    ///  Margin on bottom side of widget.
167    ///
168    /// This property adds margin outside of the widget's normal size
169    /// request, the margin will be added in addition to the size from
170    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
171    ///
172    /// Readable | Writable
173    ///
174    ///
175    /// #### `margin-end`
176    ///  Margin on end of widget, horizontally.
177    ///
178    /// This property supports left-to-right and right-to-left text
179    /// directions.
180    ///
181    /// This property adds margin outside of the widget's normal size
182    /// request, the margin will be added in addition to the size from
183    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
184    ///
185    /// Readable | Writable
186    ///
187    ///
188    /// #### `margin-start`
189    ///  Margin on start of widget, horizontally.
190    ///
191    /// This property supports left-to-right and right-to-left text
192    /// directions.
193    ///
194    /// This property adds margin outside of the widget's normal size
195    /// request, the margin will be added in addition to the size from
196    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
197    ///
198    /// Readable | Writable
199    ///
200    ///
201    /// #### `margin-top`
202    ///  Margin on top side of widget.
203    ///
204    /// This property adds margin outside of the widget's normal size
205    /// request, the margin will be added in addition to the size from
206    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
207    ///
208    /// Readable | Writable
209    ///
210    ///
211    /// #### `name`
212    ///  The name of the widget.
213    ///
214    /// Readable | Writable
215    ///
216    ///
217    /// #### `opacity`
218    ///  The requested opacity of the widget.
219    ///
220    /// Readable | Writable
221    ///
222    ///
223    /// #### `overflow`
224    ///  How content outside the widget's content area is treated.
225    ///
226    /// This property is meant to be set by widget implementations,
227    /// typically in their instance init function.
228    ///
229    /// Readable | Writable
230    ///
231    ///
232    /// #### `parent`
233    ///  The parent widget of this widget.
234    ///
235    /// Readable
236    ///
237    ///
238    /// #### `receives-default`
239    ///  Whether the widget will receive the default action when it is focused.
240    ///
241    /// Readable | Writable
242    ///
243    ///
244    /// #### `root`
245    ///  The [`Root`][crate::Root] widget of the widget tree containing this widget.
246    ///
247    /// This will be `NULL` if the widget is not contained in a root widget.
248    ///
249    /// Readable
250    ///
251    ///
252    /// #### `scale-factor`
253    ///  The scale factor of the widget.
254    ///
255    /// Readable
256    ///
257    ///
258    /// #### `sensitive`
259    ///  Whether the widget responds to input.
260    ///
261    /// Readable | Writable
262    ///
263    ///
264    /// #### `tooltip-markup`
265    ///  Sets the text of tooltip to be the given string, which is marked up
266    /// with Pango markup.
267    ///
268    /// Also see [`Tooltip::set_markup()`][crate::Tooltip::set_markup()].
269    ///
270    /// This is a convenience property which will take care of getting the
271    /// tooltip shown if the given string is not `NULL`:
272    /// [`has-tooltip`][struct@crate::Widget#has-tooltip] will automatically be set to true
273    /// and there will be taken care of [`query-tooltip`][struct@crate::Widget#query-tooltip] in
274    /// the default signal handler.
275    ///
276    /// Note that if both [`tooltip-text`][struct@crate::Widget#tooltip-text] and
277    /// [`tooltip-markup`][struct@crate::Widget#tooltip-markup] are set, the last one wins.
278    ///
279    /// Readable | Writable
280    ///
281    ///
282    /// #### `tooltip-text`
283    ///  Sets the text of tooltip to be the given string.
284    ///
285    /// Also see [`Tooltip::set_text()`][crate::Tooltip::set_text()].
286    ///
287    /// This is a convenience property which will take care of getting the
288    /// tooltip shown if the given string is not `NULL`:
289    /// [`has-tooltip`][struct@crate::Widget#has-tooltip] will automatically be set to true
290    /// and there will be taken care of [`query-tooltip`][struct@crate::Widget#query-tooltip] in
291    /// the default signal handler.
292    ///
293    /// Note that if both [`tooltip-text`][struct@crate::Widget#tooltip-text] and
294    /// [`tooltip-markup`][struct@crate::Widget#tooltip-markup] are set, the last one wins.
295    ///
296    /// Readable | Writable
297    ///
298    ///
299    /// #### `valign`
300    ///  How to distribute vertical space if widget gets extra space.
301    ///
302    /// Readable | Writable
303    ///
304    ///
305    /// #### `vexpand`
306    ///  Whether to expand vertically.
307    ///
308    /// Readable | Writable
309    ///
310    ///
311    /// #### `vexpand-set`
312    ///  Whether to use the `vexpand` property.
313    ///
314    /// Readable | Writable
315    ///
316    ///
317    /// #### `visible`
318    ///  Whether the widget is visible.
319    ///
320    /// Readable | Writable
321    ///
322    ///
323    /// #### `width-request`
324    ///  Overrides for width request of the widget.
325    ///
326    /// If this is -1, the natural request will be used.
327    ///
328    /// Readable | Writable
329    /// </details>
330    /// <details><summary><h4>Accessible</h4></summary>
331    ///
332    ///
333    /// #### `accessible-role`
334    ///  The accessible role of the given [`Accessible`][crate::Accessible] implementation.
335    ///
336    /// The accessible role cannot be changed once set.
337    ///
338    /// Readable | Writable
339    /// </details>
340    ///
341    /// ## Signals
342    ///
343    ///
344    /// #### `resize`
345    ///  Emitted once when the widget is realized, and then each time the widget
346    /// is changed while realized.
347    ///
348    /// This is useful in order to keep state up to date with the widget size,
349    /// like for instance a backing surface.
350    ///
351    ///
352    /// <details><summary><h4>Widget</h4></summary>
353    ///
354    ///
355    /// #### `destroy`
356    ///  Signals that all holders of a reference to the widget should release
357    /// the reference that they hold.
358    ///
359    /// May result in finalization of the widget if all references are released.
360    ///
361    /// This signal is not suitable for saving widget state.
362    ///
363    ///
364    ///
365    ///
366    /// #### `direction-changed`
367    ///  Emitted when the text direction of a widget changes.
368    ///
369    ///
370    ///
371    ///
372    /// #### `hide`
373    ///  Emitted when @widget is hidden.
374    ///
375    ///
376    ///
377    ///
378    /// #### `keynav-failed`
379    ///  Emitted if keyboard navigation fails.
380    ///
381    /// See [`WidgetExt::keynav_failed()`][crate::prelude::WidgetExt::keynav_failed()] for details.
382    ///
383    ///
384    ///
385    ///
386    /// #### `map`
387    ///  Emitted when @widget is going to be mapped.
388    ///
389    /// A widget is mapped when the widget is visible (which is controlled with
390    /// [`visible`][struct@crate::Widget#visible]) and all its parents up to the toplevel widget
391    /// are also visible.
392    ///
393    /// The `::map` signal can be used to determine whether a widget will be drawn,
394    /// for instance it can resume an animation that was stopped during the
395    /// emission of [`unmap`][struct@crate::Widget#unmap].
396    ///
397    ///
398    ///
399    ///
400    /// #### `mnemonic-activate`
401    ///  Emitted when a widget is activated via a mnemonic.
402    ///
403    /// The default handler for this signal activates @widget if @group_cycling
404    /// is false, or just makes @widget grab focus if @group_cycling is true.
405    ///
406    ///
407    ///
408    ///
409    /// #### `move-focus`
410    ///   to move backward.
411    ///
412    /// Action
413    ///
414    ///
415    /// #### `query-tooltip`
416    ///  s tooltip is about to be shown.
417    ///
418    /// This happens when the [`has-tooltip`][struct@crate::Widget#has-tooltip] property
419    /// is true and the hover timeout has expired with the cursor hovering
420    /// above @widget; or emitted when @widget got focus in keyboard mode.
421    ///
422    /// Using the given coordinates, the signal handler should determine
423    /// whether a tooltip should be shown for @widget. If this is the case
424    /// true should be returned, false otherwise. Note that if @keyboard_mode
425    /// is true, the values of @x and @y are undefined and should not be used.
426    ///
427    /// The signal handler is free to manipulate @tooltip with the therefore
428    /// destined function calls.
429    ///
430    ///
431    ///
432    ///
433    /// #### `realize`
434    ///  Emitted when @widget is associated with a [`gdk::Surface`][crate::gdk::Surface].
435    ///
436    /// This means that [`WidgetExt::realize()`][crate::prelude::WidgetExt::realize()] has been called
437    /// or the widget has been mapped (that is, it is going to be drawn).
438    ///
439    ///
440    ///
441    ///
442    /// #### `show`
443    ///  Emitted when @widget is shown.
444    ///
445    ///
446    ///
447    ///
448    /// #### `state-flags-changed`
449    ///  Emitted when the widget state changes.
450    ///
451    /// See [`WidgetExt::state_flags()`][crate::prelude::WidgetExt::state_flags()].
452    ///
453    ///
454    ///
455    ///
456    /// #### `unmap`
457    ///  Emitted when @widget is going to be unmapped.
458    ///
459    /// A widget is unmapped when either it or any of its parents up to the
460    /// toplevel widget have been set as hidden.
461    ///
462    /// As `::unmap` indicates that a widget will not be shown any longer,
463    /// it can be used to, for example, stop an animation on the widget.
464    ///
465    ///
466    ///
467    ///
468    /// #### `unrealize`
469    ///  Emitted when the [`gdk::Surface`][crate::gdk::Surface] associated with @widget is destroyed.
470    ///
471    /// This means that [`WidgetExt::unrealize()`][crate::prelude::WidgetExt::unrealize()] has been called
472    /// or the widget has been unmapped (that is, it is going to be hidden).
473    ///
474    ///
475    /// </details>
476    ///
477    /// # Implements
478    ///
479    /// [`DrawingAreaExt`][trait@crate::prelude::DrawingAreaExt], [`WidgetExt`][trait@crate::prelude::WidgetExt], [`trait@glib::ObjectExt`], [`AccessibleExt`][trait@crate::prelude::AccessibleExt], [`BuildableExt`][trait@crate::prelude::BuildableExt], [`ConstraintTargetExt`][trait@crate::prelude::ConstraintTargetExt], [`DrawingAreaExtManual`][trait@crate::prelude::DrawingAreaExtManual], [`WidgetExtManual`][trait@crate::prelude::WidgetExtManual], [`AccessibleExtManual`][trait@crate::prelude::AccessibleExtManual]
480    #[doc(alias = "GtkDrawingArea")]
481    pub struct DrawingArea(Object<ffi::GtkDrawingArea, ffi::GtkDrawingAreaClass>) @extends Widget, @implements Accessible, Buildable, ConstraintTarget;
482
483    match fn {
484        type_ => || ffi::gtk_drawing_area_get_type(),
485    }
486}
487
488#[cfg(not(feature = "v4_10"))]
489glib::wrapper! {
490    #[doc(alias = "GtkDrawingArea")]
491    pub struct DrawingArea(Object<ffi::GtkDrawingArea, ffi::GtkDrawingAreaClass>) @extends Widget, @implements Buildable, ConstraintTarget;
492
493    match fn {
494        type_ => || ffi::gtk_drawing_area_get_type(),
495    }
496}
497
498impl DrawingArea {
499    pub const NONE: Option<&'static DrawingArea> = None;
500
501    /// Creates a new drawing area.
502    ///
503    /// # Returns
504    ///
505    /// a new [`DrawingArea`][crate::DrawingArea]
506    #[doc(alias = "gtk_drawing_area_new")]
507    pub fn new() -> DrawingArea {
508        assert_initialized_main_thread!();
509        unsafe { Widget::from_glib_none(ffi::gtk_drawing_area_new()).unsafe_cast() }
510    }
511
512    // rustdoc-stripper-ignore-next
513    /// Creates a new builder-pattern struct instance to construct [`DrawingArea`] objects.
514    ///
515    /// This method returns an instance of [`DrawingAreaBuilder`](crate::builders::DrawingAreaBuilder) which can be used to create [`DrawingArea`] objects.
516    pub fn builder() -> DrawingAreaBuilder {
517        DrawingAreaBuilder::new()
518    }
519}
520
521impl Default for DrawingArea {
522    fn default() -> Self {
523        Self::new()
524    }
525}
526
527// rustdoc-stripper-ignore-next
528/// A [builder-pattern] type to construct [`DrawingArea`] objects.
529///
530/// [builder-pattern]: https://doc.rust-lang.org/1.0.0/style/ownership/builders.html
531#[must_use = "The builder must be built to be used"]
532pub struct DrawingAreaBuilder {
533    builder: glib::object::ObjectBuilder<'static, DrawingArea>,
534}
535
536impl DrawingAreaBuilder {
537    fn new() -> Self {
538        Self {
539            builder: glib::object::Object::builder(),
540        }
541    }
542
543    /// The content height.
544    pub fn content_height(self, content_height: i32) -> Self {
545        Self {
546            builder: self.builder.property("content-height", content_height),
547        }
548    }
549
550    /// The content width.
551    pub fn content_width(self, content_width: i32) -> Self {
552        Self {
553            builder: self.builder.property("content-width", content_width),
554        }
555    }
556
557    /// Whether the widget or any of its descendents can accept
558    /// the input focus.
559    ///
560    /// This property is meant to be set by widget implementations,
561    /// typically in their instance init function.
562    pub fn can_focus(self, can_focus: bool) -> Self {
563        Self {
564            builder: self.builder.property("can-focus", can_focus),
565        }
566    }
567
568    /// Whether the widget can receive pointer events.
569    pub fn can_target(self, can_target: bool) -> Self {
570        Self {
571            builder: self.builder.property("can-target", can_target),
572        }
573    }
574
575    /// A list of css classes applied to this widget.
576    pub fn css_classes(self, css_classes: impl Into<glib::StrV>) -> Self {
577        Self {
578            builder: self.builder.property("css-classes", css_classes.into()),
579        }
580    }
581
582    /// The name of this widget in the CSS tree.
583    ///
584    /// This property is meant to be set by widget implementations,
585    /// typically in their instance init function.
586    pub fn css_name(self, css_name: impl Into<glib::GString>) -> Self {
587        Self {
588            builder: self.builder.property("css-name", css_name.into()),
589        }
590    }
591
592    /// The cursor used by @widget.
593    pub fn cursor(self, cursor: &gdk::Cursor) -> Self {
594        Self {
595            builder: self.builder.property("cursor", cursor.clone()),
596        }
597    }
598
599    /// Whether the widget should grab focus when it is clicked with the mouse.
600    ///
601    /// This property is only relevant for widgets that can take focus.
602    pub fn focus_on_click(self, focus_on_click: bool) -> Self {
603        Self {
604            builder: self.builder.property("focus-on-click", focus_on_click),
605        }
606    }
607
608    /// Whether this widget itself will accept the input focus.
609    pub fn focusable(self, focusable: bool) -> Self {
610        Self {
611            builder: self.builder.property("focusable", focusable),
612        }
613    }
614
615    /// How to distribute horizontal space if widget gets extra space.
616    pub fn halign(self, halign: Align) -> Self {
617        Self {
618            builder: self.builder.property("halign", halign),
619        }
620    }
621
622    /// Enables or disables the emission of the [`query-tooltip`][struct@crate::Widget#query-tooltip]
623    /// signal on @widget.
624    ///
625    /// A true value indicates that @widget can have a tooltip, in this case
626    /// the widget will be queried using [`query-tooltip`][struct@crate::Widget#query-tooltip] to
627    /// determine whether it will provide a tooltip or not.
628    pub fn has_tooltip(self, has_tooltip: bool) -> Self {
629        Self {
630            builder: self.builder.property("has-tooltip", has_tooltip),
631        }
632    }
633
634    /// Overrides for height request of the widget.
635    ///
636    /// If this is -1, the natural request will be used.
637    pub fn height_request(self, height_request: i32) -> Self {
638        Self {
639            builder: self.builder.property("height-request", height_request),
640        }
641    }
642
643    /// Whether to expand horizontally.
644    pub fn hexpand(self, hexpand: bool) -> Self {
645        Self {
646            builder: self.builder.property("hexpand", hexpand),
647        }
648    }
649
650    /// Whether to use the `hexpand` property.
651    pub fn hexpand_set(self, hexpand_set: bool) -> Self {
652        Self {
653            builder: self.builder.property("hexpand-set", hexpand_set),
654        }
655    }
656
657    /// The [`LayoutManager`][crate::LayoutManager] instance to use to compute
658    /// the preferred size of the widget, and allocate its children.
659    ///
660    /// This property is meant to be set by widget implementations,
661    /// typically in their instance init function.
662    pub fn layout_manager(self, layout_manager: &impl IsA<LayoutManager>) -> Self {
663        Self {
664            builder: self
665                .builder
666                .property("layout-manager", layout_manager.clone().upcast()),
667        }
668    }
669
670    /// Makes this widget act like a modal dialog, with respect to
671    /// event delivery.
672    ///
673    /// Global event controllers will not handle events with targets
674    /// inside the widget, unless they are set up to ignore propagation
675    /// limits. See [`EventControllerExt::set_propagation_limit()`][crate::prelude::EventControllerExt::set_propagation_limit()].
676    #[cfg(feature = "v4_18")]
677    #[cfg_attr(docsrs, doc(cfg(feature = "v4_18")))]
678    pub fn limit_events(self, limit_events: bool) -> Self {
679        Self {
680            builder: self.builder.property("limit-events", limit_events),
681        }
682    }
683
684    /// Margin on bottom side of widget.
685    ///
686    /// This property adds margin outside of the widget's normal size
687    /// request, the margin will be added in addition to the size from
688    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
689    pub fn margin_bottom(self, margin_bottom: i32) -> Self {
690        Self {
691            builder: self.builder.property("margin-bottom", margin_bottom),
692        }
693    }
694
695    /// Margin on end of widget, horizontally.
696    ///
697    /// This property supports left-to-right and right-to-left text
698    /// directions.
699    ///
700    /// This property adds margin outside of the widget's normal size
701    /// request, the margin will be added in addition to the size from
702    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
703    pub fn margin_end(self, margin_end: i32) -> Self {
704        Self {
705            builder: self.builder.property("margin-end", margin_end),
706        }
707    }
708
709    /// Margin on start of widget, horizontally.
710    ///
711    /// This property supports left-to-right and right-to-left text
712    /// directions.
713    ///
714    /// This property adds margin outside of the widget's normal size
715    /// request, the margin will be added in addition to the size from
716    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
717    pub fn margin_start(self, margin_start: i32) -> Self {
718        Self {
719            builder: self.builder.property("margin-start", margin_start),
720        }
721    }
722
723    /// Margin on top side of widget.
724    ///
725    /// This property adds margin outside of the widget's normal size
726    /// request, the margin will be added in addition to the size from
727    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
728    pub fn margin_top(self, margin_top: i32) -> Self {
729        Self {
730            builder: self.builder.property("margin-top", margin_top),
731        }
732    }
733
734    /// The name of the widget.
735    pub fn name(self, name: impl Into<glib::GString>) -> Self {
736        Self {
737            builder: self.builder.property("name", name.into()),
738        }
739    }
740
741    /// The requested opacity of the widget.
742    pub fn opacity(self, opacity: f64) -> Self {
743        Self {
744            builder: self.builder.property("opacity", opacity),
745        }
746    }
747
748    /// How content outside the widget's content area is treated.
749    ///
750    /// This property is meant to be set by widget implementations,
751    /// typically in their instance init function.
752    pub fn overflow(self, overflow: Overflow) -> Self {
753        Self {
754            builder: self.builder.property("overflow", overflow),
755        }
756    }
757
758    /// Whether the widget will receive the default action when it is focused.
759    pub fn receives_default(self, receives_default: bool) -> Self {
760        Self {
761            builder: self.builder.property("receives-default", receives_default),
762        }
763    }
764
765    /// Whether the widget responds to input.
766    pub fn sensitive(self, sensitive: bool) -> Self {
767        Self {
768            builder: self.builder.property("sensitive", sensitive),
769        }
770    }
771
772    /// Sets the text of tooltip to be the given string, which is marked up
773    /// with Pango markup.
774    ///
775    /// Also see [`Tooltip::set_markup()`][crate::Tooltip::set_markup()].
776    ///
777    /// This is a convenience property which will take care of getting the
778    /// tooltip shown if the given string is not `NULL`:
779    /// [`has-tooltip`][struct@crate::Widget#has-tooltip] will automatically be set to true
780    /// and there will be taken care of [`query-tooltip`][struct@crate::Widget#query-tooltip] in
781    /// the default signal handler.
782    ///
783    /// Note that if both [`tooltip-text`][struct@crate::Widget#tooltip-text] and
784    /// [`tooltip-markup`][struct@crate::Widget#tooltip-markup] are set, the last one wins.
785    pub fn tooltip_markup(self, tooltip_markup: impl Into<glib::GString>) -> Self {
786        Self {
787            builder: self
788                .builder
789                .property("tooltip-markup", tooltip_markup.into()),
790        }
791    }
792
793    /// Sets the text of tooltip to be the given string.
794    ///
795    /// Also see [`Tooltip::set_text()`][crate::Tooltip::set_text()].
796    ///
797    /// This is a convenience property which will take care of getting the
798    /// tooltip shown if the given string is not `NULL`:
799    /// [`has-tooltip`][struct@crate::Widget#has-tooltip] will automatically be set to true
800    /// and there will be taken care of [`query-tooltip`][struct@crate::Widget#query-tooltip] in
801    /// the default signal handler.
802    ///
803    /// Note that if both [`tooltip-text`][struct@crate::Widget#tooltip-text] and
804    /// [`tooltip-markup`][struct@crate::Widget#tooltip-markup] are set, the last one wins.
805    pub fn tooltip_text(self, tooltip_text: impl Into<glib::GString>) -> Self {
806        Self {
807            builder: self.builder.property("tooltip-text", tooltip_text.into()),
808        }
809    }
810
811    /// How to distribute vertical space if widget gets extra space.
812    pub fn valign(self, valign: Align) -> Self {
813        Self {
814            builder: self.builder.property("valign", valign),
815        }
816    }
817
818    /// Whether to expand vertically.
819    pub fn vexpand(self, vexpand: bool) -> Self {
820        Self {
821            builder: self.builder.property("vexpand", vexpand),
822        }
823    }
824
825    /// Whether to use the `vexpand` property.
826    pub fn vexpand_set(self, vexpand_set: bool) -> Self {
827        Self {
828            builder: self.builder.property("vexpand-set", vexpand_set),
829        }
830    }
831
832    /// Whether the widget is visible.
833    pub fn visible(self, visible: bool) -> Self {
834        Self {
835            builder: self.builder.property("visible", visible),
836        }
837    }
838
839    /// Overrides for width request of the widget.
840    ///
841    /// If this is -1, the natural request will be used.
842    pub fn width_request(self, width_request: i32) -> Self {
843        Self {
844            builder: self.builder.property("width-request", width_request),
845        }
846    }
847
848    /// The accessible role of the given [`Accessible`][crate::Accessible] implementation.
849    ///
850    /// The accessible role cannot be changed once set.
851    pub fn accessible_role(self, accessible_role: AccessibleRole) -> Self {
852        Self {
853            builder: self.builder.property("accessible-role", accessible_role),
854        }
855    }
856
857    // rustdoc-stripper-ignore-next
858    /// Build the [`DrawingArea`].
859    #[must_use = "Building the object from the builder is usually expensive and is not expected to have side effects"]
860    pub fn build(self) -> DrawingArea {
861        assert_initialized_main_thread!();
862        self.builder.build()
863    }
864}
865
866/// Trait containing all [`struct@DrawingArea`] methods.
867///
868/// # Implementors
869///
870/// [`DrawingArea`][struct@crate::DrawingArea]
871pub trait DrawingAreaExt: IsA<DrawingArea> + 'static {
872    /// Retrieves the content height of the [`DrawingArea`][crate::DrawingArea].
873    ///
874    /// # Returns
875    ///
876    /// The height requested for content of the drawing area
877    #[doc(alias = "gtk_drawing_area_get_content_height")]
878    #[doc(alias = "get_content_height")]
879    #[doc(alias = "content-height")]
880    fn content_height(&self) -> i32 {
881        unsafe { ffi::gtk_drawing_area_get_content_height(self.as_ref().to_glib_none().0) }
882    }
883
884    /// Retrieves the content width of the [`DrawingArea`][crate::DrawingArea].
885    ///
886    /// # Returns
887    ///
888    /// The width requested for content of the drawing area
889    #[doc(alias = "gtk_drawing_area_get_content_width")]
890    #[doc(alias = "get_content_width")]
891    #[doc(alias = "content-width")]
892    fn content_width(&self) -> i32 {
893        unsafe { ffi::gtk_drawing_area_get_content_width(self.as_ref().to_glib_none().0) }
894    }
895
896    /// Sets the desired height of the contents of the drawing area.
897    ///
898    /// Note that because widgets may be allocated larger sizes than they
899    /// requested, it is possible that the actual height passed to your draw
900    /// function is larger than the height set here. You can use
901    /// [`WidgetExt::set_valign()`][crate::prelude::WidgetExt::set_valign()] to avoid that.
902    ///
903    /// If the height is set to 0 (the default), the drawing area may disappear.
904    /// ## `height`
905    /// the height of contents
906    #[doc(alias = "gtk_drawing_area_set_content_height")]
907    #[doc(alias = "content-height")]
908    fn set_content_height(&self, height: i32) {
909        unsafe {
910            ffi::gtk_drawing_area_set_content_height(self.as_ref().to_glib_none().0, height);
911        }
912    }
913
914    /// Sets the desired width of the contents of the drawing area.
915    ///
916    /// Note that because widgets may be allocated larger sizes than they
917    /// requested, it is possible that the actual width passed to your draw
918    /// function is larger than the width set here. You can use
919    /// [`WidgetExt::set_halign()`][crate::prelude::WidgetExt::set_halign()] to avoid that.
920    ///
921    /// If the width is set to 0 (the default), the drawing area may disappear.
922    /// ## `width`
923    /// the width of contents
924    #[doc(alias = "gtk_drawing_area_set_content_width")]
925    #[doc(alias = "content-width")]
926    fn set_content_width(&self, width: i32) {
927        unsafe {
928            ffi::gtk_drawing_area_set_content_width(self.as_ref().to_glib_none().0, width);
929        }
930    }
931
932    /// Emitted once when the widget is realized, and then each time the widget
933    /// is changed while realized.
934    ///
935    /// This is useful in order to keep state up to date with the widget size,
936    /// like for instance a backing surface.
937    /// ## `width`
938    /// the width of the viewport
939    /// ## `height`
940    /// the height of the viewport
941    #[doc(alias = "resize")]
942    fn connect_resize<F: Fn(&Self, i32, i32) + 'static>(&self, f: F) -> SignalHandlerId {
943        unsafe extern "C" fn resize_trampoline<
944            P: IsA<DrawingArea>,
945            F: Fn(&P, i32, i32) + 'static,
946        >(
947            this: *mut ffi::GtkDrawingArea,
948            width: std::ffi::c_int,
949            height: std::ffi::c_int,
950            f: glib::ffi::gpointer,
951        ) {
952            unsafe {
953                let f: &F = &*(f as *const F);
954                f(
955                    DrawingArea::from_glib_borrow(this).unsafe_cast_ref(),
956                    width,
957                    height,
958                )
959            }
960        }
961        unsafe {
962            let f: Box_<F> = Box_::new(f);
963            connect_raw(
964                self.as_ptr() as *mut _,
965                c"resize".as_ptr(),
966                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
967                    resize_trampoline::<Self, F> as *const (),
968                )),
969                Box_::into_raw(f),
970            )
971        }
972    }
973
974    #[doc(alias = "content-height")]
975    fn connect_content_height_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
976        unsafe extern "C" fn notify_content_height_trampoline<
977            P: IsA<DrawingArea>,
978            F: Fn(&P) + 'static,
979        >(
980            this: *mut ffi::GtkDrawingArea,
981            _param_spec: glib::ffi::gpointer,
982            f: glib::ffi::gpointer,
983        ) {
984            unsafe {
985                let f: &F = &*(f as *const F);
986                f(DrawingArea::from_glib_borrow(this).unsafe_cast_ref())
987            }
988        }
989        unsafe {
990            let f: Box_<F> = Box_::new(f);
991            connect_raw(
992                self.as_ptr() as *mut _,
993                c"notify::content-height".as_ptr(),
994                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
995                    notify_content_height_trampoline::<Self, F> as *const (),
996                )),
997                Box_::into_raw(f),
998            )
999        }
1000    }
1001
1002    #[doc(alias = "content-width")]
1003    fn connect_content_width_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
1004        unsafe extern "C" fn notify_content_width_trampoline<
1005            P: IsA<DrawingArea>,
1006            F: Fn(&P) + 'static,
1007        >(
1008            this: *mut ffi::GtkDrawingArea,
1009            _param_spec: glib::ffi::gpointer,
1010            f: glib::ffi::gpointer,
1011        ) {
1012            unsafe {
1013                let f: &F = &*(f as *const F);
1014                f(DrawingArea::from_glib_borrow(this).unsafe_cast_ref())
1015            }
1016        }
1017        unsafe {
1018            let f: Box_<F> = Box_::new(f);
1019            connect_raw(
1020                self.as_ptr() as *mut _,
1021                c"notify::content-width".as_ptr(),
1022                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
1023                    notify_content_width_trampoline::<Self, F> as *const (),
1024                )),
1025                Box_::into_raw(f),
1026            )
1027        }
1028    }
1029}
1030
1031impl<O: IsA<DrawingArea>> DrawingAreaExt for O {}