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i3-companion: keep display open while running

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This may be useful for some other uses. Notably, to achieve automatic
layout, not unlike:
https://gitlab.com/s3lect/awesome-i3-auto-layout/-/blob/master/awesome-auto-layout
This commit is contained in:
Vincent Bernat 2021-07-19 09:21:09 +02:00
parent c339655b4d
commit 6cf9a784f7
1 changed files with 22 additions and 22 deletions
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44
bin/i3-companion
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@ -539,29 +539,28 @@ async def output_update(i3, event):
"""React to a XRandR change."""
# Grab current setup. Synchronous, but it's short enough
with contextlib.closing(display.Display()) as d:
screen = d.screen()
window = screen.root.create_window(0, 0, 1, 1, 1, screen.root_depth)
screen_resources = randr.get_screen_resources_current(window)
current_setup = set()
for output in screen_resources.outputs:
output_info = randr.get_output_info(
window, output, screen_resources.timestamp
)
if output_info.crtc == 0:
continue
crtc_info = randr.get_crtc_info(
window, output_info.crtc, output_info.timestamp
)
current_setup.add(
(
output_info.name,
crtc_info.width,
crtc_info.height,
crtc_info.x,
crtc_info.y,
)
screen = i3.x11.screen()
window = screen.root.create_window(0, 0, 1, 1, 1, screen.root_depth)
screen_resources = randr.get_screen_resources_current(window)
current_setup = set()
for output in screen_resources.outputs:
output_info = randr.get_output_info(
window, output, screen_resources.timestamp
)
if output_info.crtc == 0:
continue
crtc_info = randr.get_crtc_info(
window, output_info.crtc, output_info.timestamp
)
current_setup.add(
(
output_info.name,
crtc_info.width,
crtc_info.height,
crtc_info.x,
crtc_info.y,
)
)
# Compare to current setup
if current_setup == output_update.last_setup:
@ -871,6 +870,7 @@ async def main(options):
i3 = await Connection(auto_reconnect=True).connect()
i3.session_bus = await ravel.session_bus_async()
i3.system_bus = await ravel.system_bus_async()
i3.x11 = display.Display()
# Regular events
for fn, events in on.functions.items():