feat: add support for getting window ids

src/capturable_content.rs

@@ -225,6 +225,11 @@ unsafe impl Send for CapturableWindow {}
 unsafe impl Sync for CapturableWindow {}
 
 impl CapturableWindow {
+    /// Gets the id of the window
+    pub fn id(&self) -> u32 {
+        self.impl_capturable_window.id()
+    }
+
     /// Gets the title of the window
     pub fn title(&self) -> String {
         self.impl_capturable_window.title()

src/platform/macos/capturable_content.rs

@@ -61,6 +61,10 @@ impl MacosCapturableWindow {
         }
     }
 
+    pub fn id(&self) -> u32 {
+        self.window.id().0
+    }
+
     pub fn title(&self) -> String {
         self.window.title()
     }

src/platform/windows/capturable_content.rs

@@ -24,6 +24,11 @@ impl WindowsCapturableWindow {
         Self(hwnd)
     }
 
+    pub fn id(&self) -> u32 {
+        todo!("Getting ID not yet implemented for windows");
+        return 0;
+    }
+
     pub fn title(&self) -> String {
         unsafe {
             let text_length = GetWindowTextLengthW(self.0);