Fix: use drag event for macOS smooth drag

Author: PekingSpades

mouse/mouse_c.h

@@ -310,7 +310,8 @@ static double crude_hypot(double x, double y){
 	return ((M_SQRT2 - 1.0) * small) + big;
 }
 
-bool smoothlyMoveMouse(MMPointInt32 endPoint, double lowSpeed, double highSpeed){
+static bool smoothlyMoveMouseImpl(MMPointInt32 endPoint, double lowSpeed, double highSpeed,
+		bool drag, MMMouseButton button){
 	MMPointInt32 pos = location();
 	// MMSizeInt32 screenSize = getMainDisplaySize();
 	double velo_x = 0.0, velo_y = 0.0;
@@ -335,11 +336,24 @@ bool smoothlyMoveMouse(MMPointInt32 endPoint, double lowSpeed, double highSpeed)
 		// if (pos.x >= screenSize.w || pos.y >= screenSize.h) { 
 		// 	return false;
 		// }
-		moveMouse(pos);
+		if (drag) {
+			dragMouse(pos, button);
+		} else {
+			moveMouse(pos);
+		}
 
 		/* Wait 1 - 3 milliseconds. */
 		microsleep(DEADBEEF_UNIFORM(lowSpeed, highSpeed));
 		// microsleep(DEADBEEF_UNIFORM(1.0, 3.0));
 	}
 	return true;
 }
+
+bool smoothlyMoveMouse(MMPointInt32 endPoint, double lowSpeed, double highSpeed){
+	return smoothlyMoveMouseImpl(endPoint, lowSpeed, highSpeed, false, LEFT_BUTTON);
+}
+
+bool smoothlyDragMouse(MMPointInt32 endPoint, double lowSpeed, double highSpeed,
+		MMMouseButton button){
+	return smoothlyMoveMouseImpl(endPoint, lowSpeed, highSpeed, true, button);
+}

robotgo.go

@@ -578,24 +578,11 @@ func Drag(x, y int, args ...string) {
 func DragSmooth(x, y int, args ...interface{}) {
 	Toggle("left")
 	MilliSleep(50)
-	MoveSmooth(x, y, args...)
+	smoothMove(x, y, true, args...)
 	Toggle("left", "up")
 }
 
-// MoveSmooth move the mouse smooth,
-// moves mouse to x, y human like, with the mouse button up.
-//
-// robotgo.MoveSmooth(x, y int, low, high float64, mouseDelay int)
-//
-// Examples:
-//
-//	robotgo.MoveSmooth(10, 10)
-//	robotgo.MoveSmooth(10, 10, 1.0, 2.0)
-func MoveSmooth(x, y int, args ...interface{}) bool {
-	// if runtime.GOOS == "windows" {
-	// 	f := ScaleF()
-	// 	x, y = Scaled0(x, f), Scaled0(y, f)
-	// }
+func smoothMove(x, y int, drag bool, args ...interface{}) bool {
 	x, y = MoveScale(x, y)
 
 	cx := C.int32_t(x)
@@ -619,12 +606,30 @@ func MoveSmooth(x, y int, args ...interface{}) bool {
 		high = 3.0
 	}
 
-	cbool := C.smoothlyMoveMouse(C.MMPointInt32Make(cx, cy), low, high)
+	var cbool C.bool
+	if drag {
+		cbool = C.smoothlyDragMouse(C.MMPointInt32Make(cx, cy), low, high, C.LEFT_BUTTON)
+	} else {
+		cbool = C.smoothlyMoveMouse(C.MMPointInt32Make(cx, cy), low, high)
+	}
 	MilliSleep(MouseSleep + mouseDelay)
 
 	return bool(cbool)
 }
 
+// MoveSmooth move the mouse smooth,
+// moves mouse to x, y human like, with the mouse button up.
+//
+// robotgo.MoveSmooth(x, y int, low, high float64, mouseDelay int)
+//
+// Examples:
+//
+//	robotgo.MoveSmooth(10, 10)
+//	robotgo.MoveSmooth(10, 10, 1.0, 2.0)
+func MoveSmooth(x, y int, args ...interface{}) bool {
+	return smoothMove(x, y, false, args...)
+}
+
 // MoveArgs get the mouse relative args
 func MoveArgs(x, y int) (int, int) {
 	mx, my := Location()

robotgo_fn_v1.go

@@ -25,11 +25,7 @@ func MoveMouse(x, y int) {
 // DragMouse drag the mouse to (x, y),
 // It's same with the DragSmooth() now
 func DragMouse(x, y int, args ...interface{}) {
-	Toggle("left")
-	MilliSleep(50)
-	// Drag(x, y, args...)
-	MoveSmooth(x, y, args...)
-	Toggle("left", "up")
+	DragSmooth(x, y, args...)
 }
 
 // Deprecated: use the MoveSmooth(),