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On Tue, 18 Aug 2015 23:40:32 -0400 |
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Frank Peters <frank.peters@×××××××.net> wrote: |
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> |
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> As I mentioned, a program restart usually fixes the problem. However, when |
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> and if this problem will occur is not predictable. It happens only occasionally |
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> and never consistently. |
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> |
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I've discovered something else that seems very significant. |
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The behavior depends on the relation of the position of the |
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window in which the problem occurs in relation to other windows. |
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If I shift the widow around I can get different appearances |
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of the sub-menus from complete to very thin to a one pixel |
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line. Thus, the fault would seem to be with how GTK+ calculates |
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the window dimensions in relation to other windows. In some |
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cases a miscalculation will result in a negative height. |
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The fault could also be with the window manager which, AFAIK, |
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reports window positions. But then I only understand little |
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about the mechanisms of the X Window GUI and how window managers |
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and took kits interact with it. |
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Anyway, if the problem occurs, I just need to shift the window |
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to another position and that should take care of the sub-menus. |
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Frank Peters |
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