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Platform: Add a Resized event and use that to convey the changes in size (#2759)

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Olivier Goffart 2023-05-21 12:12:30 +02:00 • committed by GitHub
parent 846c48b81d
commit dd5ef9993f
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12 changed files with 121 additions and 47 deletions
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21
api/cpp/platform.rs
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@ -30,6 +30,7 @@ pub struct CppWindowAdapter {
show: unsafe extern "C" fn(WindowAdapterUserData),
hide: unsafe extern "C" fn(WindowAdapterUserData),
request_redraw: unsafe extern "C" fn(WindowAdapterUserData),
size: unsafe extern "C" fn(WindowAdapterUserData) -> IntSize,
}
impl Drop for CppWindowAdapter {
@ -61,6 +62,11 @@ impl WindowAdapterSealed for CppWindowAdapter {
fn request_redraw(&self) {
unsafe { (self.request_redraw)(self.user_data) }
}
fn size(&self) -> PhysicalSize {
let s = unsafe { (self.size)(self.user_data) };
PhysicalSize::new(s.width, s.height)
}
}
#[no_mangle]
@ -71,6 +77,7 @@ pub unsafe extern "C" fn slint_window_adapter_new(
show: unsafe extern "C" fn(WindowAdapterUserData),
hide: unsafe extern "C" fn(WindowAdapterUserData),
request_redraw: unsafe extern "C" fn(WindowAdapterUserData),
size: unsafe extern "C" fn(WindowAdapterUserData) -> IntSize,
target: *mut WindowAdapterRcOpaque,
) {
let window = Rc::<CppWindowAdapter>::new_cyclic(|w| CppWindowAdapter {
@ -81,6 +88,7 @@ pub unsafe extern "C" fn slint_window_adapter_new(
show,
request_redraw,
hide,
size,
});
core::ptr::write(target as *mut Rc<dyn WindowAdapter>, window);
@ -131,6 +139,19 @@ pub unsafe extern "C" fn slint_windowrc_has_active_animations(
window_adapter.window().has_active_animations()
}
/// Dispatch a key pressed or release event
#[no_mangle]
pub unsafe extern "C" fn slint_windowrc_dispatch_resize_event(
handle: *const WindowAdapterRcOpaque,
width: f32,
height: f32,
) {
let window_adapter = &*(handle as *const Rc<dyn WindowAdapter>);
window_adapter.window().dispatch_event(i_slint_core::platform::WindowEvent::Resized {
size: i_slint_core::api::LogicalSize { width, height },
});
}
#[no_mangle]
pub extern "C" fn slint_platform_update_timers_and_animations() {
i_slint_core::platform::update_timers_and_animations()