fixes to mouse warp

-can warp now from viewport and control, in their respective coordinate
systems
-warp is now local to the window on Windows and OSX.

IF YOU RUN OSX, PLEASE TEST THIS! And make sure it works!, new code is
in OS_OSX::warp_mouse_pos. I don't have OSX so i can't test!

1 files changed, 12 insertions, 1 deletions

diff --git a/platform/osx/os_osx.mm b/platform/osx/os_osx.mm
index 5bc47a74c1..af2552496b 100644
--- a/platform/osx/os_osx.mm
+++ b/platform/osx/os_osx.mm
@@ -1093,8 +1093,19 @@ void OS_OSX::warp_mouse_pos(const Point2& p_to) {
         mouse_y = p_to.y;
     }
     else{ //set OS position
-        CGPoint lMouseWarpPos = {p_to.x, p_to.y};
         
+	/* this code has not been tested, please be a kind soul and fix it if it fails! */
+
+	//local point in window coords
+	NSPoint localPoint = { p_to.x, p_to.y };
+
+	NSPoint pointInWindow = [window_view convertPoint:localPoint toView:nil];
+	NSPoint pointOnScreen = [[window_view window] convertRectToScreen:(CGRect){.origin=pointInWindow}];
+
+	//point in scren coords
+	CGPoint lMouseWarpPos = { pointOnScreen.x, pointOnScreen.y};
+
+	//do the warping
         CGEventSourceRef lEventRef = CGEventSourceCreate(kCGEventSourceStateCombinedSessionState);
         CGEventSourceSetLocalEventsSuppressionInterval(lEventRef, 0.0);
         CGAssociateMouseAndMouseCursorPosition(false);