65 lines
1.8 KiB
Go
65 lines
1.8 KiB
Go
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package icccm
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import (
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"github.com/jezek/xgb/xproto"
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"github.com/jezek/xgbutil"
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"github.com/jezek/xgbutil/xevent"
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"github.com/jezek/xgbutil/xprop"
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)
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// IsDeleteProtocol checks whether a ClientMessage event satisfies the
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// WM_DELETE_WINDOW protocol. Namely, the format must be 32, the type must
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// be the WM_PROTOCOLS atom, and the first data item must be the atom
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// WM_DELETE_WINDOW.
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//
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// Note that if you're using the xwindow package, you should use the
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// WMGracefulClose method instead of directly using IsDeleteProtocol.
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func IsDeleteProtocol(X *xgbutil.XUtil, ev xevent.ClientMessageEvent) bool {
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// Make sure the Format is 32. (Meaning that each data item is
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// 32 bits.)
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if ev.Format != 32 {
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return false
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}
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// Check to make sure the Type atom is WM_PROTOCOLS.
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typeName, err := xprop.AtomName(X, ev.Type)
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if err != nil || typeName != "WM_PROTOCOLS" { // not what we want
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return false
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}
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// Check to make sure the first data item is WM_DELETE_WINDOW.
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protocolType, err := xprop.AtomName(X,
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xproto.Atom(ev.Data.Data32[0]))
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if err != nil || protocolType != "WM_DELETE_WINDOW" {
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return false
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}
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return true
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}
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// IsFocusProtocol checks whether a ClientMessage event satisfies the
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// WM_TAKE_FOCUS protocol.
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func IsFocusProtocol(X *xgbutil.XUtil, ev xevent.ClientMessageEvent) bool {
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// Make sure the Format is 32. (Meaning that each data item is
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// 32 bits.)
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if ev.Format != 32 {
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return false
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}
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// Check to make sure the Type atom is WM_PROTOCOLS.
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typeName, err := xprop.AtomName(X, ev.Type)
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if err != nil || typeName != "WM_PROTOCOLS" { // not what we want
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return false
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}
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// Check to make sure the first data item is WM_TAKE_FOCUS.
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protocolType, err := xprop.AtomName(X,
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xproto.Atom(ev.Data.Data32[0]))
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if err != nil || protocolType != "WM_TAKE_FOCUS" {
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return false
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}
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return true
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}
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