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Persist integer GDK_SCALE when monitor scale is fractional

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GTK only honors whole-number GDK_SCALE values, so persisting 1.6 or 1.25
verbatim left GTK apps without a usable scale. Round to the nearest whole
factor when writing monitors.lua.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
David Heinemeier Hansson
2026-08-05 08:30:12 -05:00
co-authored by Claude Fable 5
parent caeffdc27b
commit b538dd545a
2 changed files with 21 additions and 2 deletions
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test/shell.d/monitor-scaling-test.sh
+16
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@@ -68,8 +68,24 @@ write_monitor_config
OMARCHY_TEST_MONITOR_SCALE=2 run_scaling 3
grep -F 'scale = 3' "$eval_out" >/dev/null || fail "monitor scaling explicit 3x remains available"
grep -Fx 'local omarchy_monitor_scale = 3' "$monitor_lua" >/dev/null || fail "monitor scaling explicit 3x persists"
grep -Fx 'local omarchy_gdk_scale = 3' "$monitor_lua" >/dev/null || fail "monitor scaling explicit 3x persists GDK scale"
pass "monitor scaling explicit 3x remains available"
# GTK only honors integer GDK_SCALE, so fractional monitor scales persist a
# rounded GDK scale.
write_monitor_config
OMARCHY_TEST_MONITOR_SCALE=2 run_scaling 1.6
grep -F 'scale = 1.6' "$eval_out" >/dev/null || fail "monitor scaling explicit 1.6x remains available"
grep -Fx 'local omarchy_monitor_scale = 1.6' "$monitor_lua" >/dev/null || fail "monitor scaling explicit 1.6x persists"
grep -Fx 'local omarchy_gdk_scale = 2' "$monitor_lua" >/dev/null || fail "monitor scaling 1.6x persists integer GDK scale 2"
pass "monitor scaling 1.6x persists integer GDK scale 2"
write_monitor_config
OMARCHY_TEST_MONITOR_SCALE=2 run_scaling 1.25
grep -Fx 'local omarchy_monitor_scale = 1.25' "$monitor_lua" >/dev/null || fail "monitor scaling explicit 1.25x persists"
grep -Fx 'local omarchy_gdk_scale = 1' "$monitor_lua" >/dev/null || fail "monitor scaling 1.25x persists integer GDK scale 1"
pass "monitor scaling 1.25x persists integer GDK scale 1"
scale=$(OMARCHY_TEST_MONITOR_SCALE=3 run_scaling)
[[ $scale == "3" ]] || fail "monitor scaling reports explicit 3x scale" "actual: $scale"
pass "monitor scaling reports explicit 3x scale"