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@ -169,11 +169,17 @@ proc selectWindow(display: PDisplay): TWindow =
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return root
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proc xElevenErrorHandler(display: PDisplay, errorEvent: PXErrorEvent): cint{.cdecl.} =
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# NOTE: This is needed primarily for -d:select along with
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# -d:live. When we are constantly taking a screenshot of a resizing
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# window sometimes you may not know exact shape of the window (because
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# X11 request may lag behind) and you are trying to access invalid
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# memory. X11 does not like that and simply crashes. With this error
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# handler we force it not to crash.
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proc customX11ErrorHandler(display: PDisplay, errorEvent: PXErrorEvent): cint{.cdecl.} =
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const CAPACITY = 256
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var errorMessage: array[CAPACITY, char]
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discard XGetErrorText(display, errorEvent.error_code.cint, addr errorMessage, CAPACITY)
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echo "X ELEVEN ERROR: ", $(addr errorMessage)
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echo "X11: ", $(addr errorMessage)
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proc main() =
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let boomerDir = getConfigDir() / "boomer"
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@ -272,7 +278,7 @@ proc main() =
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defer:
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discard XCloseDisplay(display)
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discard XSetErrorHandler(xElevenErrorHandler)
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discard XSetErrorHandler(customX11ErrorHandler)
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when defined(select):
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echo "Please select window:"
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