fix(examples): initialize window with update() before polling events in showcases

Author: leftger

examples/basics/draw_task_band_buffer_showcase.rs

@@ -94,20 +94,6 @@ fn run_interactive_window() {
     let mut dir: i32 = 2;
 
     'running: loop {
-        for event in window.events() {
-            match event {
-                SimulatorEvent::Quit => break 'running,
-                SimulatorEvent::KeyDown { keycode, .. } => match keycode {
-                    Keycode::Escape | Keycode::Q => break 'running,
-                    Keycode::Space => {
-                        progress = (progress + 20) % 250;
-                    }
-                    _ => {}
-                },
-                _ => {}
-            }
-        }
-
         if progress >= 240 {
             dir = -2;
         } else if progress <= 20 {
@@ -124,6 +110,21 @@ fn run_interactive_window() {
             .expect("Render succeeded");
 
         window.update(&sim.display);
+
+        for event in window.events() {
+            match event {
+                SimulatorEvent::Quit => break 'running,
+                SimulatorEvent::KeyDown { keycode, .. } => match keycode {
+                    Keycode::Escape | Keycode::Q => break 'running,
+                    Keycode::Space => {
+                        progress = (progress + 20) % 250;
+                    }
+                    _ => {}
+                },
+                _ => {}
+            }
+        }
+
         std::thread::sleep(std::time::Duration::from_millis(16));
     }
 }

examples/basics/relative_anchors_and_flex_justify_showcase.rs

@@ -53,6 +53,15 @@ fn run_interactive_window() {
     let mut justify_mode = 0usize;
 
     'running: loop {
+        display.clear(Rgb565::new(1, 2, 3)).unwrap();
+
+        let screen = Rect::new(0, 0, W, H);
+        let mut ctx = RenderCtx::new(&mut display, screen);
+
+        render_anchors_and_flex(&mut ctx, card_offset_x, card_offset_y, justify_mode);
+
+        window.update(&display);
+
         for event in window.events() {
             match event {
                 SimulatorEvent::Quit => break 'running,
@@ -71,14 +80,6 @@ fn run_interactive_window() {
             }
         }
 
-        display.clear(Rgb565::new(1, 2, 3)).unwrap();
-
-        let screen = Rect::new(0, 0, W, H);
-        let mut ctx = RenderCtx::new(&mut display, screen);
-
-        render_anchors_and_flex(&mut ctx, card_offset_x, card_offset_y, justify_mode);
-
-        window.update(&display);
         std::thread::sleep(std::time::Duration::from_millis(16));
     }
 }

examples/basics/vector_pdc_round_screen_showcase.rs

@@ -54,6 +54,14 @@ fn run_interactive_window() {
     let mut overlay_active = false;
 
     'running: loop {
+        let screen = Rect::new(0, 0, W, H);
+        display.clear(Rgb565::new(0, 0, 0)).unwrap();
+
+        let mut ctx = RenderCtx::new(&mut display, screen);
+        render_round_screen(&mut ctx, &icon, overlay_active, selected_digit, active_page);
+
+        window.update(&display);
+
         for event in window.events() {
             match event {
                 SimulatorEvent::Quit => break 'running,
@@ -84,13 +92,6 @@ fn run_interactive_window() {
             }
         }
 
-        let screen = Rect::new(0, 0, W, H);
-        display.clear(Rgb565::new(0, 0, 0)).unwrap();
-
-        let mut ctx = RenderCtx::new(&mut display, screen);
-        render_round_screen(&mut ctx, &icon, overlay_active, selected_digit, active_page);
-
-        window.update(&display);
         std::thread::sleep(std::time::Duration::from_millis(16));
     }
 }

examples/basics/wearable_os_subsystems_showcase.rs

@@ -68,6 +68,27 @@ fn run_interactive_window() {
     let mut notif_progress = 1.0f32;
 
     'running: loop {
+        notif_progress -= 0.003;
+        if notif_progress <= 0.0 {
+            notif_progress = 1.0;
+        }
+
+        display.clear(Rgb565::new(1, 2, 3)).unwrap();
+
+        let screen = Rect::new(0, 0, W, H);
+        let mut ctx = RenderCtx::new(&mut display, screen);
+
+        render_all_components(
+            &mut ctx,
+            screen,
+            peek_expanded,
+            selected_menu_idx,
+            selected_notif_action,
+            notif_progress,
+        );
+
+        window.update(&display);
+
         for event in window.events() {
             match event {
                 SimulatorEvent::Quit => break 'running,
@@ -94,26 +115,6 @@ fn run_interactive_window() {
             }
         }
 
-        notif_progress -= 0.003;
-        if notif_progress <= 0.0 {
-            notif_progress = 1.0;
-        }
-
-        display.clear(Rgb565::new(1, 2, 3)).unwrap();
-
-        let screen = Rect::new(0, 0, W, H);
-        let mut ctx = RenderCtx::new(&mut display, screen);
-
-        render_all_components(
-            &mut ctx,
-            screen,
-            peek_expanded,
-            selected_menu_idx,
-            selected_notif_action,
-            notif_progress,
-        );
-
-        window.update(&display);
         std::thread::sleep(std::time::Duration::from_millis(16));
     }
 }