14 lines
778 B
Bash
Executable file
14 lines
778 B
Bash
Executable file
#!/bin/sh
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id=$(xdotool selectwindow)
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before=$(xprop -id $id 32c _NET_WM_WINDOW_OPACITY | lua -e 'print(tonumber(string.match(io.read() or "=", "= .*$"):sub(2)))' || echo 4294967295)
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initial=$(xprop -id $id 32c _NET_WM_WINDOW_OPACITY | lua -e 'print(math.floor(tonumber(io.read():match("= .*$"):sub(2)) / 0xffffffff * 100 + 0.5))' || echo 100)
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((zenity --scale --title "Opacity" --value=$initial --print-partial; echo $? >&3) \
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| lua -e 'for line in io.lines() do print(string.format("0x%08x", math.floor(tonumber(line) / 100 * 0xffffffff + 0.5))) end' \
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| xargs -I{} xprop -id $id -f _NET_WM_WINDOW_OPACITY 32c -set _NET_WM_WINDOW_OPACITY {}) 3>&1 | (read xs; exit $xs)
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if [ $? -ne 0 ]
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then xprop -id $id -f _NET_WM_WINDOW_OPACITY 32c -set _NET_WM_WINDOW_OPACITY $before
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fi
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