libpanel/subclass/
dock.rs

1use crate::{prelude::*, Dock, Widget};
2use glib::translate::*;
3use gtk::subclass::prelude::*;
4
5pub trait DockImpl: WidgetImpl {
6    fn panel_drag_begin(&self, widget: &Widget) {
7        DockImplExt::parent_panel_drag_begin(self, widget);
8    }
9    fn panel_drag_end(&self, widget: &Widget) {
10        DockImplExt::parent_panel_drag_end(self, widget);
11    }
12}
13
14pub trait DockImplExt: ObjectSubclass {
15    fn parent_panel_drag_begin(&self, widget: &Widget);
16    fn parent_panel_drag_end(&self, widget: &Widget);
17}
18
19impl<T: DockImpl> DockImplExt for T {
20    fn parent_panel_drag_begin(&self, widget: &Widget) {
21        unsafe {
22            let data = T::type_data();
23            let parent_class = data.as_ref().parent_class() as *mut ffi::PanelDockClass;
24            if let Some(f) = (*parent_class).panel_drag_begin {
25                f(
26                    self.obj().unsafe_cast_ref::<Dock>().to_glib_none().0,
27                    widget.unsafe_cast_ref::<Widget>().to_glib_none().0,
28                );
29            }
30        }
31    }
32    fn parent_panel_drag_end(&self, widget: &Widget) {
33        unsafe {
34            let data = T::type_data();
35            let parent_class = data.as_ref().parent_class() as *mut ffi::PanelDockClass;
36            if let Some(f) = (*parent_class).panel_drag_end {
37                f(
38                    self.obj().unsafe_cast_ref::<Dock>().to_glib_none().0,
39                    widget.unsafe_cast_ref::<Widget>().to_glib_none().0,
40                );
41            }
42        }
43    }
44}
45
46unsafe impl<T: DockImpl> IsSubclassable<T> for Dock {
47    fn class_init(class: &mut glib::Class<Self>) {
48        Self::parent_class_init::<T>(class);
49        let klass = class.as_mut();
50        klass.panel_drag_begin = Some(dock_panel_drag_begin::<T>);
51        klass.panel_drag_end = Some(dock_panel_drag_end::<T>);
52    }
53}
54
55unsafe extern "C" fn dock_panel_drag_begin<T: DockImpl>(
56    ptr: *mut ffi::PanelDock,
57    widget: *mut ffi::PanelWidget,
58) {
59    let instance = &*(ptr as *mut T::Instance);
60    let imp = instance.imp();
61    let widget: Borrowed<Widget> = from_glib_borrow(widget);
62
63    DockImpl::panel_drag_begin(imp, widget.unsafe_cast_ref());
64}
65
66unsafe extern "C" fn dock_panel_drag_end<T: DockImpl>(
67    ptr: *mut ffi::PanelDock,
68    widget: *mut ffi::PanelWidget,
69) {
70    let instance = &*(ptr as *mut T::Instance);
71    let imp = instance.imp();
72    let widget: Borrowed<Widget> = from_glib_borrow(widget);
73
74    DockImpl::panel_drag_end(imp, widget.unsafe_cast_ref());
75}
libpanel/subclass/dock.rs

libpanel/subclass/
dock.rs
