Analyzing a multi-monitor window position macOS

Coordinates on the multi-display mechanism macOS

When developing pocketed input method,I met such a thing,That is, as a candidate bar window will go beyond the screen when the edge of the screen! and so,In the display window when I do extra check the coordinates:

In short,That is, if you count the coordinates of their width exceeds the width of the screen,Norway put it back。


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