Implement a system that resizes the ghost widget appropriately to avoid undefined behavior due to it being moved into the gap between screens caused by scaling.

Signed-off-by: Danilo Aimini <82231674+AMZN-daimini@users.noreply.github.com>
2021-09-14 20:11:00 -07:00
parent ce72e32cfc
commit 81bd7b1f5f
3 changed files with 65 additions and 8 deletions
@@ -1615,14 +1615,16 @@ namespace AzQtComponents
            }

            // Handle snapping to the screen edges/other floating windows while dragging
-            QScreen* screen = Utilities::ScreenAtPoint(globalPos);
+            QScreen* screen = QApplication::screenAt(globalPos);

-            AdjustForSnapping(placeholder, screen);
+            if (screen)
+            {
+                AdjustForSnapping(placeholder, screen);
+                m_state.setPlaceholder(placeholder, screen);

-            m_state.setPlaceholder(placeholder, screen);
-
-            m_ghostWidget->Enable();
-            RepaintFloatingIndicators();
+                m_ghostWidget->Enable();
+                RepaintFloatingIndicators();
+            }
        }

        return m_dropZoneState.dragging();