new window resize event

abletk-cairo/src/lib.rs

@@ -165,27 +165,10 @@ impl Renderer {
     }
 
     pub fn size(&self) -> (u32, u32) {
-        unsafe {
-            let mut root = mem::zeroed();
-            let mut x = mem::zeroed();
-            let mut y = mem::zeroed();
-            let mut width = mem::zeroed();
-            let mut height = mem::zeroed();
-            let mut border_width = mem::zeroed();
-            let mut depth = mem::zeroed();
-            assert_ne!(XGetGeometry(
-                self.handle.display as _,
-                self.handle.window.try_into().unwrap(),
-                &mut root,
-                &mut x,
-                &mut y,
-                &mut width,
-                &mut height,
-                &mut border_width,
-                &mut depth,
-            ), 0);
-            (width, height)
-        }
+        unsafe {(
+            cairo_xlib_surface_get_width(self.surface).try_into().unwrap(),
+            cairo_xlib_surface_get_height(self.surface).try_into().unwrap(),
+        )}
     }
 
     fn text_extents(&self, text: &str) -> TextExtents {

abletk-direct2d/src/lib.rs

@@ -39,7 +39,7 @@ impl Renderer {
                 .unwrap()
         };
 
-        Self {
+        let mut renderer = Self {
             handle,
             factory,
             dw_factory,
@@ -48,12 +48,12 @@ impl Renderer {
             stroke_style,
             system_fonts,
             text_format,
-        }
+        };
+        renderer.setup_target();
+        renderer
     }
 
     pub fn begin_draw(&mut self) {
-        self.setup_target();
-
         unsafe { self.target.as_ref().unwrap().BeginDraw() }
     }
 

src/application.rs

@@ -104,7 +104,7 @@ impl Application {
                     self.windows.remove(&window_id);
 
                     if self.windows.is_empty() {
-                        emit_app_event!(self, ApplicationEvent::AllWindowsClosed);
+                        emit_app_event!(self, ApplicationEvent::AllWindowsDestroyed);
                     }
                 }
                 Event::WindowEvent {

src/event/application.rs

@@ -9,5 +9,5 @@
 #[non_exhaustive]
 #[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
 pub enum Event {
-    AllWindowsClosed,
+    AllWindowsDestroyed,
 }

src/event/window.rs

@@ -10,4 +10,5 @@
 #[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
 pub enum Event {
     Closed,
+    Resized,
 }

src/main.rs

@@ -23,7 +23,7 @@ fn launch() -> _ {
                 .add(Label::new("this is a label! jjjjyyy")
                     .bg_color(rgb!(0xFF0000FF)))
                 .padding_left(10))
-        .on_event(WindowEvent::Closed, |_, window| {
-            window.set_title("CLOSING!")
+        .on_event(WindowEvent::Resized, |_, window| {
+            println!("window resized: {:?}", window.size())
         }))
 }

src/plugin.rs

@@ -25,7 +25,7 @@ pub struct QuitPlugin;
 
 impl Plugin for QuitPlugin {
     fn apply(&self, app: Application) -> Application {
-        app.on_event(Event::AllWindowsClosed, |ctx| {
+        app.on_event(Event::AllWindowsDestroyed, |ctx| {
             if Platform::target() != Platform::MacOS {
                 ctx.quit()
             }

src/window.rs

@@ -99,6 +99,11 @@ impl Window {
         self.window.set_title(title.as_ref())
     }
 
+    pub fn size(&self) -> (u32, u32) {
+        let size = self.window.inner_size();
+        (size.width, size.height)
+    }
+
     pub(crate) fn emit_event(&mut self, event: Event) {
         if let Some(handlers) = self.events.get(&event) {
             let ctx = self.ctx.clone();
@@ -112,7 +117,8 @@ impl Window {
     }
 
     pub(crate) fn resized(&mut self, size: PhysicalSize<u32>) {
-        self.renderer.resized(size.width, size.height)
+        self.renderer.resized(size.width, size.height);
+        self.emit_event(Event::Resized)
     }
 }