[Lazarus] Screen and Desktop inconsistencies
DrDiettrich1 at aol.com
Mon Nov 7 05:42:08 CET 2011
There exist 3 descriptions of the display area in TScreen: Screen (Width
and Heigth), Desktop and WorkArea. The Delphi description of the
difference is quite vague. The Lazarus implementation seems to assume:
Screen = primary monitor
WorkArea = primary monitor excluding e.g. TaskBar (SPI_GETWORKAREA)
Desktop = entire virtual display, including all monitors
Is this correct?
About the DesktopRect and WorkAreaRect, the WorkAreaRect contains the
BottomRight coordinates, while DesktopRect contains the Width and Height
in BottomRight. This may be Delphi compatible, but looks very confusing.
No Rect (or Top, Left) properties exist for the Screen. Delphi assumes
(0,0) for the primary monitor origin - does this hold for non-Windows
The same for the WorkArea, where e.g. a Linux taskbar can (and typically
does) span multiple monitors. I'm missing a property describing the
entire WorkArea, across all monitors, excluding the system areas.
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