Window Color Inverter

Assign to a hotkey: toggle (focused) window color inversion.

Good accessibility enhancement.

Obviously, stripped right out of the examples.
This commit is contained in:
quequotion 2014-01-04 01:08:27 +09:00
parent 14ef6152bc
commit 44f9b75352
1 changed files with 51 additions and 0 deletions

51
dbus-examples/inverter.sh Normal file
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#!/bin/sh
#TODO: Check compton running; Check dbus interface available
if [ -z "$SED" ]; then
SED="sed"
command -v gsed > /dev/null && SED="gsed"
fi
# === Get connection parameters ===
dpy=$(echo -n "$DISPLAY" | tr -c '[:alnum:]' _)
if [ -z "$dpy" ]; then
echo "Cannot find display."
exit 1;
fi
service="com.github.chjj.compton.${dpy}"
interface="com.github.chjj.compton"
object='/com/github/chjj/compton'
type_win='uint32'
type_enum='uint16'
# === Color Inversion ===
# Ensure we are tracking focus
dbus-send --print-reply --dest="$service" "$object" "${interface}.opts_set" string:track_focus boolean:true &
# Get window ID of currently focused window
focused=$(dbus-send --print-reply --dest="$service" "$object" "${interface}.find_win" string:focused | $SED -n 's/^[[:space:]]*'${type_win}'[[:space:]]*\([[:digit:]]*\).*/\1/p')
if [ -n "$focused" ]; then
# Get invert_color_force property of the focused window
color=$(dbus-send --print-reply --dest="$service" "$object" "${interface}.win_get" "${type_win}:${focused}" string:invert_color_force | $SED -n 's/^[[:space:]]*'${type_enum}'[[:space:]]*\([[:digit:]]*\).*/\1/p')
# Set the window to have inverted color
case "${color}" in
0)
# Set the window to have inverted color
dbus-send --print-reply --dest="$service" "$object" "${interface}.win_set" "${type_win}:${focused}" string:invert_color_force "${type_enum}:1" &
;;
*) # Some windows have invert_color_force == 2
# Set the window to have normal color
dbus-send --print-reply --dest="$service" "$object" "${interface}.win_set" "${type_win}:${focused}" string:invert_color_force "${type_enum}:0" &
;;
esac
else
echo "Cannot find focused window."
exit 1;
fi
exit 0;