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Quantize GTK text scaling to whole point sizes to stop menu clipping

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Raw size/12 ratios hand GTK a fractional point size (11px -> 10.08pt),
which clips ascenders in GTK4 menus on scale-1 monitors. Round the
scaled interface font to a whole point and derive the factor from that,
keeping 12px anchored at exactly 1.0.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
David Heinemeier Hansson
2026-07-31 22:05:00 -05:00
co-authored by Claude Fable 5
parent d47b4b0686
commit fa95901b6f
1 changed files with 21 additions and 3 deletions
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bin/omarchy-display-text-size
+21 -3
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@@ -7,7 +7,8 @@
# One knob for apparent text size across the desktop. It drives three settings # One knob for apparent text size across the desktop. It drives three settings
# in lockstep, all anchored to the shell default of 12px: # in lockstep, all anchored to the shell default of 12px:
# • the omarchy shell's font base-size (~/.config/omarchy/shell.toml [font]) # • the omarchy shell's font base-size (~/.config/omarchy/shell.toml [font])
# • GNOME/GTK's text-scaling-factor (12px -> 1.0, so 16 -> 1.333) # • GNOME/GTK's text-scaling-factor (12px -> 1.0, quantized so the GTK
# interface font lands on a whole point size, so 16 -> 15pt/11pt = 1.3636)
# • the terminal font point size (12px -> 9pt, so terminal_pt = px * 9/12) # • the terminal font point size (12px -> 9pt, so terminal_pt = px * 9/12)
# The shell override layers on top of the active theme (so the size survives # The shell override layers on top of the active theme (so the size survives
# theme switches) and the shell watches the file, so shell text re-flows live. # theme switches) and the shell watches the file, so shell text re-flows live.
@@ -102,6 +103,20 @@ reset_base_size() {
# ---- GTK text-scaling-factor ---- # ---- GTK text-scaling-factor ----
# Point size of the GTK interface font (font-name), used to quantize the
# scaling factor. Falls back to the GNOME default when unreadable.
gtk_font_pt() {
local name pt
name="$(gsettings get "$GKEY_SCHEMA" font-name 2>/dev/null)"
pt="${name%\'}"
pt="${pt##* }"
if [[ $pt =~ ^[0-9]+(\.[0-9]+)?$ ]]; then
echo "$pt"
else
echo 11
fi
}
set_factor() { set_factor() {
gsettings set "$GKEY_SCHEMA" "$GKEY_NAME" "$1" 2>/dev/null || true gsettings set "$GKEY_SCHEMA" "$GKEY_NAME" "$1" 2>/dev/null || true
} }
@@ -200,8 +215,11 @@ fi
# Shell side: base-size in px (the omarchy shell's rem root). # Shell side: base-size in px (the omarchy shell's rem root).
set_base_size "$size" set_base_size "$size"
# GTK side: multiplier anchored so 12px == 1.0. # GTK side: multiplier anchored so 12px == 1.0, quantized so the interface
factor="$(awk -v s="$size" -v b="$SHELL_DEFAULT_PX" 'BEGIN { printf "%.4f", s / b }')" # font renders at a whole point size. Raw ratios yield fractional point sizes,
# which GTK4 menus clip at the ascenders on scale-1 monitors.
factor="$(awk -v s="$size" -v b="$SHELL_DEFAULT_PX" -v f="$(gtk_font_pt)" \
'BEGIN { printf "%.4f", int(f * s / b + 0.5) / f }')"
set_factor "$factor" set_factor "$factor"
# Terminal side: point size anchored so 12px == 9pt. # Terminal side: point size anchored so 12px == 9pt.