32 lines
902 B
Go
32 lines
902 B
Go
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package ewmh
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import (
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"fmt"
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"github.com/jezek/xgbutil"
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)
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// GetEwmhWM uses the EWMH spec to find if a conforming window manager
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// is currently running or not. If it is, then its name will be returned.
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// Otherwise, an error will be returned explaining why one couldn't be found.
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func GetEwmhWM(xu *xgbutil.XUtil) (string, error) {
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childCheck, err := SupportingWmCheckGet(xu, xu.RootWin())
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if err != nil {
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return "", fmt.Errorf("GetEwmhWM: Failed because: %s", err)
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}
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childCheck2, err := SupportingWmCheckGet(xu, childCheck)
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if err != nil {
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return "", fmt.Errorf("GetEwmhWM: Failed because: %s", err)
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}
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if childCheck != childCheck2 {
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return "", fmt.Errorf(
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"GetEwmhWM: _NET_SUPPORTING_WM_CHECK value on the root window "+
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"(%x) does not match _NET_SUPPORTING_WM_CHECK value "+
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"on the child window (%x).", childCheck, childCheck2)
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}
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return WmNameGet(xu, childCheck)
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}
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