Automatically deduce DPI (#110)

With this commit the DPI doesn't have to be listed in the ~/.Xresources and will be deduced automatically.
This commit is contained in:
Andre Schröder 2019-03-31 15:15:31 +02:00 committed by Pavan Jadhaw
parent d022301c38
commit cdb603a3f2

View file

@ -145,9 +145,11 @@ lockselect() {
postlock
}
# $1: number of pixels to convert
# $2: 1 for width. 2 for height
logical_px() {
# get dpi value from xrdb
local DPI=$(xrdb -query | awk '/Xft.dpi/ {print $2}')
local DPI=$(xdpyinfo | sed -En "s/\s*resolution:\s*([0-9]*)x([0-9]*)\s.*/\\$2/p" | head -n1)
# return the default value if no DPI is set
if [ -z "$DPI" ]; then
@ -175,9 +177,9 @@ update() {
SR=$(xrandr --query | grep ' connected' | grep -o '[0-9][0-9]*x[0-9][0-9]*[^ ]*')
for RES in $SR; do
SRA=(${RES//[x+]/ })
CX=$((${SRA[2]} + $(logical_px 25)))
CY=$((${SRA[1]} - $(logical_px 30)))
rectangles+="rectangle $CX,$CY $((CX+$(logical_px 300))),$((CY-$(logical_px 80))) "
CX=$((${SRA[2]} + $(logical_px 25 1)))
CY=$((${SRA[1]} - $(logical_px 30 2)))
rectangles+="rectangle $CX,$CY $((CX+$(logical_px 300 1))),$((CY-$(logical_px 80 2))) "
done
# User supplied Image