[[ Bug 21474 ]] Reset mouse stack after drag and drop

montegoulding · montegoulding · commit 4834f8e492a6 · 2018-10-20T11:39:55.000+11:00
This patch resolves an issue where after a drag and drop operation the mouse stack
was being cleared in `wmdragdrop`. This resulted in a seemingly unresponsive stack
as mouse events are guarded by `MCmousestackptr`. As `wmdragdrop` is only called when
a window recieves a drag drop event we can ensure the mouse stack is correct by finding
the stack for the window and setting it to that.
diff --git a/docs/notes/bugfix-21474.md b/docs/notes/bugfix-21474.md
@@ -0,0 +1 @@
+# Fix unresponsive stack after drag and drop
diff --git a/engine/src/dispatch.cpp b/engine/src/dispatch.cpp
@@ -1705,7 +1705,7 @@ MCDragAction MCDispatch::wmdragdrop(Window w)
 		dodrop(false);
 
     // The drag operation has ended. Remove the drag board contents.
-	MCmousestackptr = nil;
+    MCmousestackptr = findstackd(w);
     MCdragboard->Clear();
 	m_drag_target = false;
 

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+# Fix unresponsive stack after drag and drop`