feat(app): support local screenshot actions

native_overlay_callbacks_darwin.go

@@ -4,35 +4,67 @@ package main
 
 import "C"
 
-//export nativeOverlayConfirm
-func nativeOverlayConfirm(x, y, w, h C.int, annotationsJSON *C.char) {
+func nativeCaptureResult(x, y, w, h C.int, annotationsJSON *C.char) CaptureResult {
+	rawAnnotations := C.GoString(annotationsJSON)
+	return CaptureResult{
+		Rect: RegionRect{
+			X: int(x),
+			Y: int(y),
+			W: int(w),
+			H: int(h),
+		},
+		Annotations: parseNativeAnnotations(rawAnnotations),
+	}
+}
+
+func consumeNativeOverlayApp() *App {
 	nativeOverlayState.Lock()
 	app := nativeOverlayState.app
 	nativeOverlayState.app = nil
 	nativeOverlayState.Unlock()
+	return app
+}
+
+//export nativeOverlayConfirm
+func nativeOverlayConfirm(x, y, w, h C.int, annotationsJSON *C.char) {
+	app := consumeNativeOverlayApp()
 	if app == nil {
 		return
 	}
-	rawAnnotations := C.GoString(annotationsJSON)
+	result := nativeCaptureResult(x, y, w, h, annotationsJSON)
 	go func() {
-		_ = app.ConfirmNativeRegion(CaptureResult{
-			Rect: RegionRect{
-				X: int(x),
-				Y: int(y),
-				W: int(w),
-				H: int(h),
-			},
-			Annotations: parseNativeAnnotations(rawAnnotations),
-		})
+		_ = app.ConfirmNativeRegion(result)
+	}()
+}
+
+//export nativeOverlayCopy
+func nativeOverlayCopy(x, y, w, h C.int, annotationsJSON *C.char) {
+	app := consumeNativeOverlayApp()
+	if app == nil {
+		return
+	}
+	result := nativeCaptureResult(x, y, w, h, annotationsJSON)
+	go func() {
+		_ = app.CopyNativeRegionImage(result)
+	}()
+}
+
+//export nativeOverlaySave
+func nativeOverlaySave(x, y, w, h C.int, annotationsJSON *C.char, dir *C.char) {
+	app := consumeNativeOverlayApp()
+	if app == nil {
+		return
+	}
+	result := nativeCaptureResult(x, y, w, h, annotationsJSON)
+	saveDir := C.GoString(dir)
+	go func() {
+		_, _ = app.SaveNativeRegionImageToDir(result, saveDir)
 	}()
 }
 
 //export nativeOverlayCancel
 func nativeOverlayCancel() {
-	nativeOverlayState.Lock()
-	app := nativeOverlayState.app
-	nativeOverlayState.app = nil
-	nativeOverlayState.Unlock()
+	app := consumeNativeOverlayApp()
 	if app == nil {
 		return
 	}