macOS: Popup menu not shown on secondary monitor if it's placed on left of main monitor.
Steps to reproduce
- Have a secondary monitor and configure its placement to be left of the main monitor.
- Launch gtk3-demo
- Move the application window to the secondary monitor of the left.
- Right-click on any place of the right panel.
- A popup menu of rich text editor should show but not.
The popup menu is not shown on screen.
The popup menu should be shown on where right-click pressed.
gtk+-3.24.2, gtk+-3.24.3 on MacOSX.
This bug only happens if the secondary monitor has a negative geometry position in system.