#733 partial: Adds rotation gesture event on MacOS

1 files changed, 29 insertions, 0 deletions

diff --git a/src/Fl_cocoa.mm b/src/Fl_cocoa.mm
index 8aef33780..f461505ee 100644
--- a/src/Fl_cocoa.mm
+++ b/src/Fl_cocoa.mm
@@ -966,6 +966,32 @@ static void cocoaMagnifyHandler(NSEvent *theEvent)
 }
 
 /*
+ * Cocoa Rotate Gesture Handler
+ */
+static void cocoaRotateHandler(NSEvent *theEvent)
+{
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
+  fl_lock_function();
+  Fl_Window *window = (Fl_Window*)[(FLWindow*)[theEvent window] getFl_Window];
+  if ( !window->shown() ) {
+    fl_unlock_function();
+    return;
+  }
+  Fl::first_window(window);
+  Fl::e_dy = [theEvent rotation]*1000;
+  if ( Fl::e_dy) {
+    NSPoint pos = [theEvent locationInWindow];
+    pos.y = window->h() - pos.y;
+    NSUInteger mods = [theEvent modifierFlags];
+    mods_to_e_state( mods );
+    update_e_xy_and_e_xy_root([theEvent window]);
+    Fl::handle( FL_ROTATE_GESTURE, window );
+  }
+  fl_unlock_function();
+#endif
+}
+
+/*
  * Cocoa Mouse Button Handler
  */
 static void cocoaMouseHandler(NSEvent *theEvent)
@@ -2439,6 +2465,9 @@ static FLTextInputContext* fltextinputcontext_instance = nil;
 - (void)magnifyWithEvent:(NSEvent *)theEvent {
   cocoaMagnifyHandler(theEvent);
 }
+- (void)rotateWithEvent:(NSEvent *)theEvent {
+  cocoaRotateHandler(theEvent);
+}
 - (void)keyDown:(NSEvent *)theEvent {
   //NSLog(@"keyDown:%@",[theEvent characters]);
   fl_lock_function();