gtk4/subclass/
window.rs

1// Take a look at the license at the top of the repository in the LICENSE file.
2
3// rustdoc-stripper-ignore-next
4//! Traits intended for subclassing [`Window`].
5
6use glib::translate::*;
7
8use crate::{ffi, prelude::*, subclass::prelude::*, Native, Root, ShortcutManager, Window};
9
10pub trait WindowImpl:
11    WidgetImpl + ObjectSubclass<Type: IsA<Window> + IsA<Native> + IsA<Root> + IsA<ShortcutManager>>
12{
13    fn activate_focus(&self) {
14        self.parent_activate_focus()
15    }
16
17    fn activate_default(&self) {
18        self.parent_activate_default()
19    }
20
21    fn keys_changed(&self) {
22        self.parent_keys_changed()
23    }
24
25    fn enable_debugging(&self, toggle: bool) -> bool {
26        self.parent_enable_debugging(toggle)
27    }
28
29    fn close_request(&self) -> glib::Propagation {
30        self.parent_close_request()
31    }
32}
33
34pub trait WindowImplExt: WindowImpl {
35    fn parent_activate_focus(&self) {
36        unsafe {
37            let data = Self::type_data();
38            let parent_class = data.as_ref().parent_class() as *mut ffi::GtkWindowClass;
39            let f = (*parent_class)
40                .activate_focus
41                .expect("No parent class impl for \"activate_focus\"");
42            f(self.obj().unsafe_cast_ref::<Window>().to_glib_none().0)
43        }
44    }
45
46    fn parent_activate_default(&self) {
47        unsafe {
48            let data = Self::type_data();
49            let parent_class = data.as_ref().parent_class() as *mut ffi::GtkWindowClass;
50            let f = (*parent_class)
51                .activate_default
52                .expect("No parent class impl for \"activate_default\"");
53            f(self.obj().unsafe_cast_ref::<Window>().to_glib_none().0)
54        }
55    }
56
57    fn parent_keys_changed(&self) {
58        unsafe {
59            let data = Self::type_data();
60            let parent_class = data.as_ref().parent_class() as *mut ffi::GtkWindowClass;
61            let f = (*parent_class)
62                .keys_changed
63                .expect("No parent class impl for \"keys_changed\"");
64            f(self.obj().unsafe_cast_ref::<Window>().to_glib_none().0)
65        }
66    }
67
68    // Returns true if debugging (inspector) should be enabled, false otherwise
69    fn parent_enable_debugging(&self, toggle: bool) -> bool {
70        unsafe {
71            let data = Self::type_data();
72            let parent_class = data.as_ref().parent_class() as *mut ffi::GtkWindowClass;
73            let f = (*parent_class)
74                .enable_debugging
75                .expect("No parent class impl for \"enable_debugging\"");
76            from_glib(f(
77                self.obj().unsafe_cast_ref::<Window>().to_glib_none().0,
78                toggle.into_glib(),
79            ))
80        }
81    }
82
83    fn parent_close_request(&self) -> glib::Propagation {
84        unsafe {
85            let data = Self::type_data();
86            let parent_class = data.as_ref().parent_class() as *mut ffi::GtkWindowClass;
87            let f = (*parent_class)
88                .close_request
89                .expect("No parent class impl for \"close_request\"");
90            glib::Propagation::from_glib(f(self.obj().unsafe_cast_ref::<Window>().to_glib_none().0))
91        }
92    }
93}
94
95impl<T: WindowImpl> WindowImplExt for T {}
96
97unsafe impl<T: WindowImpl> IsSubclassable<T> for Window {
98    fn class_init(class: &mut ::glib::Class<Self>) {
99        Self::parent_class_init::<T>(class);
100
101        let klass = class.as_mut();
102        klass.activate_focus = Some(window_activate_focus::<T>);
103        klass.activate_default = Some(window_activate_default::<T>);
104        klass.keys_changed = Some(window_keys_changed::<T>);
105        klass.enable_debugging = Some(window_enable_debugging::<T>);
106        klass.close_request = Some(window_close_request::<T>);
107    }
108}
109
110unsafe extern "C" fn window_activate_focus<T: WindowImpl>(ptr: *mut ffi::GtkWindow) {
111    let instance = &*(ptr as *mut T::Instance);
112    let imp = instance.imp();
113
114    imp.activate_focus()
115}
116
117unsafe extern "C" fn window_activate_default<T: WindowImpl>(ptr: *mut ffi::GtkWindow) {
118    let instance = &*(ptr as *mut T::Instance);
119    let imp = instance.imp();
120
121    imp.activate_default()
122}
123
124unsafe extern "C" fn window_keys_changed<T: WindowImpl>(ptr: *mut ffi::GtkWindow) {
125    let instance = &*(ptr as *mut T::Instance);
126    let imp = instance.imp();
127
128    imp.keys_changed()
129}
130
131unsafe extern "C" fn window_enable_debugging<T: WindowImpl>(
132    ptr: *mut ffi::GtkWindow,
133    toggleptr: glib::ffi::gboolean,
134) -> glib::ffi::gboolean {
135    let instance = &*(ptr as *mut T::Instance);
136    let imp = instance.imp();
137    let toggle: bool = from_glib(toggleptr);
138
139    imp.enable_debugging(toggle).into_glib()
140}
141
142unsafe extern "C" fn window_close_request<T: WindowImpl>(
143    ptr: *mut ffi::GtkWindow,
144) -> glib::ffi::gboolean {
145    let instance = &*(ptr as *mut T::Instance);
146    let imp = instance.imp();
147
148    imp.close_request().into_glib()
149}
gtk4/subclass/window.rs

gtk4/subclass/
window.rs
