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fix(niri): let untitled Proton windows go fullscreen

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XWayland/Proton windows can commit before they set a title. Excluding empty titles made Phantom Blade Zero miss the fullscreen rule and stay composited. Keep excluding the launcher announcement popup by title.

VRR is intentionally not enabled here: on-demand VRR caused display corruption in this game and is tracked separately.

Assisted-by: DeepSeek Harness (deepseek-flash)
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Ryan Yin committed 2026-10-30 00:46:22 +08:00
1 parent e8e9691f2d
commit 005627d883
1 file changed
+4 -6
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home/linux/gui/niri/conf/windowrules.kdl
+4 -6
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@@ -82,13 +82,11 @@ window-rule {
// scale 1.5, so Niri's logical space is 2560x1440) cannot take over the // scale 1.5, so Niri's logical space is 2560x1440) cannot take over the
// screen by itself. // screen by itself.
// //
// The launcher shares this app id with the game, so the rule also catches // Do not exclude empty titles here: XWayland/Proton windows can commit
// its own windows: a helper that is still untitled while it maps, and the // before they set a title, and excluding them would make the game miss
// announcement popup (公告), which on this launcher renders as a pure white // this rule entirely and stay composited instead of going fullscreen.
// rectangle. Fullscreening either one buries the UI that opened it, so // The launcher's announcement popup (公告) is still excluded by title.
// both are excluded here.
match app-id="^steam_app_[0-9]+$" match app-id="^steam_app_[0-9]+$"
exclude title="^$"
exclude title="^(公告|Announcement|Notice)$" exclude title="^(公告|Announcement|Notice)$"
open-on-workspace "4entertainment" open-on-workspace "4entertainment"
open-fullscreen true open-fullscreen true