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52 lines
1.6 KiB
Python
Executable file
52 lines
1.6 KiB
Python
Executable file
#!/usr/bin/env python
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import xcffib.xproto as xproto
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import xcffib
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import time
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conn = xcffib.connect()
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setup = conn.get_setup()
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root = setup.roots[0].root
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visual = setup.roots[0].root_visual
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depth = setup.roots[0].root_depth
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# issue 239 is caused by a window gaining a shadow during its fade-out transition
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wid = conn.generate_id()
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print("Window ids are ", hex(wid))
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# Create a window
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mask = xproto.CW.BackPixel
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value = [ setup.roots[0].white_pixel ]
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conn.core.CreateWindowChecked(depth, wid, root, 0, 0, 100, 100, 0, xproto.WindowClass.InputOutput, visual, mask, value).check()
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name = "_NET_WM_STATE"
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name_atom = conn.core.InternAtom(False, len(name), name).reply().atom
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atom = "ATOM"
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atom_atom = conn.core.InternAtom(False, len(atom), atom).reply().atom
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fs = "_NET_WM_STATE_FULLSCREEN"
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fs_atom = conn.core.InternAtom(False, len(fs), fs).reply().atom
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# Map the window, causing screen to be redirected
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conn.core.MapWindowChecked(wid).check()
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time.sleep(0.5)
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# Set fullscreen property, causing screen to be unredirected
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conn.core.ChangePropertyChecked(xproto.PropMode.Replace, wid, name_atom, atom_atom, 32, 1, [fs_atom]).check()
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time.sleep(0.5)
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# Clear fullscreen property, causing screen to be redirected
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conn.core.ChangePropertyChecked(xproto.PropMode.Replace, wid, name_atom, atom_atom, 32, 0, []).check()
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# Do a round trip to X server so the compositor has a chance to start the rerun of _draw_callback
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conn.core.GetInputFocus().reply()
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# Unmap the window, triggers the bug
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conn.core.UnmapWindowChecked(wid).check()
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time.sleep(0.5)
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# Destroy the window
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conn.core.DestroyWindowChecked(wid).check()
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