[Tcl-bugs] [Tk Source Code] Ticket [c95d4691ff8723b4|c95d4691] winfo screenheight w/dual monitors returns the screen height of the primary display status still Open with 3 other changes

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Ticket Change [3351fb3f65fd6daf6924a0f4ff600f25aa1d1038]
  [Ticket [c95d4691ff8723b4|c95d4691] winfo screenheight w/dual monitors returns the screen height of the primary display status still Open with 3 other changes]
  By      fvogel
  For     Tk Source Code
  On      2016-04-24T20:28:35.234
  Details http://core.tcl.tk/tk/tinfo?name=3351fb3f65fd6daf6924a0f4ff600f25aa1d1038
  Ticket  http://core.tcl.tk/tk/tktview/c95d4691ff8723b47c820081ce50688cf04911f7

Changed Fields
  icomment: Committed [671c976f] in branch "multiscreens":

            - Tk now knows about all screens (monitors), not only about the
            primary one

            - screenheight and screenwidth, and all values that depend on them,
            are now correct for each monitor as long as the windows are created
            with explicit -screen parameter

            - resolution changes are now tracked correctly by Tk for each monitor

            With this commit the following script is now working as expected:

            package require Tk

            winfo screenheight . ; # info from primary monitor

            winfo screen . ; # :0.0

            toplevel .t -screen :0.1

            winfo screen .t ; # :0.1 (NEW!)

            winfo screenheight .t ; # info from secondary monitor (NEW!)

            <change secondary monitor resolution>

            winfo screenheight .t ; # updated info from secondary monitor (NEW!)

            <TODO>:

            - Find a way to test all this without false alarms (when there is a
            single monitor attached)

            - When moving a window from one screen to another, should its screen
            info "follow"?

            - Fix this problem on Linux and MacOSX as well.
  login:    fvogel

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