feat(animation): bring in changes from #597

This commit contains all the changes of #597 to make it easier to rebase
with the latest changes on master post-v0.1.21.

komorebi-core/src/rect.rs

@@ -60,4 +60,14 @@ impl Rect {
             bottom: (self.bottom * rect_dpi) / system_dpi,
         }
     }
+
+    #[must_use]
+    pub const fn rect(&self) -> RECT {
+        RECT {
+            left: self.left,
+            top: self.top,
+            right: self.left + self.right,
+            bottom: self.top + self.bottom,
+        }
+    }
 }

komorebi/src/process_event.rs

@@ -518,7 +518,7 @@ impl WindowManager {
         }
 
         if *self.focused_workspace()?.tile() && BORDER_ENABLED.load(Ordering::SeqCst) {
-            match event {
+            match &event {
                 WindowManagerEvent::MoveResizeStart(_, _) => {
                     let border = Border::from(BORDER_HWND.load(Ordering::SeqCst));
                     border.hide()?;

komorebi/src/window.rs

@@ -152,6 +152,7 @@ impl Window {
             true,
         )
     }
+
     pub fn animate_position(&mut self, layout: &Rect, top: bool) -> Result<()> {
         let hwnd = self.hwnd();
         let curr_rect = WindowsApi::window_rect(hwnd).unwrap();
@@ -175,6 +176,7 @@ impl Window {
                         // using MoveWindow because it runs faster than SetWindowPos
                         // so animation have more fps and feel smoother
                         WindowsApi::move_window(hwnd, &new_rect, true)?;
+                        WindowsApi::invalidate_rect(hwnd, None, false);
                     } else {
                         WindowsApi::position_window(hwnd, &new_rect, top)?;
 

komorebi/src/windows_api.rs

@@ -18,6 +18,7 @@ use windows::Win32::Foundation::HMODULE;
 use windows::Win32::Foundation::HWND;
 use windows::Win32::Foundation::LPARAM;
 use windows::Win32::Foundation::POINT;
+use windows::Win32::Foundation::RECT;
 use windows::Win32::Foundation::WPARAM;
 use windows::Win32::Graphics::Dwm::DwmGetWindowAttribute;
 use windows::Win32::Graphics::Dwm::DwmSetWindowAttribute;
@@ -966,6 +967,13 @@ impl WindowsApi {
         .process()
     }
 
+    pub fn invalidate_rect(hwnd: HWND, rect: Option<&Rect>, erase: bool) -> bool {
+        let rect = rect.map(|rect|
+            &rect.rect() as *const RECT
+        );
+        unsafe { InvalidateRect(hwnd, rect, erase) }.as_bool()
+    }
+
     pub fn invalidate_border_rect() -> Result<()> {
         unsafe { InvalidateRect(HWND(BORDER_HWND.load(Ordering::SeqCst)), None, false) }
             .ok()