aditya/betterlockscreen-openrc
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Get DPI from xrdb, fixes #236 (#237)

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`multi-monitor` branch did not check for user set DPI in Xresources.
It does now. Also, rather than parsing .Xresources file, we instead
query xrdb to get the current value.
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Jeff M. Hubbard 2021-06-04 15:49:35 -05:00 committed by Sebastian Sellmeier
parent c025de7b8f
commit 66d9759159
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1 changed files with 17 additions and 11 deletions
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@ -184,24 +184,30 @@ logical_px() {
# $2: 1 for width. 2 for height # $2: 1 for width. 2 for height
local pixels="$1" local pixels="$1"
local direction="$2" local direction="$2"
local dpi
# get dpi value from xdpyinfo # use DPI set by user in .Xresources
local DPI dpi=$(xrdb -q | grep -oP '^\s*Xft.dpi:\s*\K\d+' | bc)
DPI=$(xdpyinfo | sed -En "s/\s*resolution:\s*([0-9]*)x([0-9]*)\s.*/\\$direction/p" | head -n1)
# return the default value if no DPI is set # or get dpi value from xdpyinfo
if [ -z "$DPI" ]; then if [ -z "$dpi" ]; then
echo "$pixels" dpi=$(xdpyinfo | sed -En "s/\s*resolution:\s*([0-9]*)x([0-9]*)\s.*/\\$direction/p" | head -n1)
else fi
local SCALE
SCALE=$(echo "scale=2; $DPI / 96.0" | bc) # adjust scaling
if [ -n "$dpi" ]; then
local scale
scale=$(echo "scale=2; $dpi / 96.0" | bc)
# check if scaling the value is worthy # check if scaling the value is worthy
if [ "$(echo "$SCALE > 1.25" | bc -l)" -eq 0 ]; then if [ "$(echo "$scale > 1.25" | bc -l)" -eq 0 ]; then
echo "$pixels" echo "$pixels"
else else
echo "$SCALE * $pixels / 1" | bc echo "$scale * $pixels / 1" | bc
fi fi
else
# return the default value if no DPI is set
echo "$pixels"
fi fi
} }