XKB: Fix sense inversion for core MapNotify events
Due to an unfortunate sense inversion incident while switching from a if (foo) { ... } to if (!foo) continue; style in f06a9d, we punished any client who attempted to use XKB to restrict the MapNotify events they wanted by sending them exactly the events they _didn't_ want, and nothing else. NewKeyboardNotifies (coming from a client setting the map with an XKB request, when switching between master devices, etc) weren't affected, but this would impact anyone using xmodmap-style core requests. Could explain a fair bit. Clarified the comments while I was at it. Signed-off-by: Daniel Stone <daniel@fooishbar.org> Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
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@ -88,11 +88,15 @@ XkbSendLegacyMapNotify(DeviceIntPtr kbd, CARD16 xkb_event, CARD16 changed,
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if (!clients[i] || clients[i]->clientState != ClientStateRunning)
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continue;
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/* Ignore clients which will have already received this.
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* Inconsistent with themselves, but consistent with previous
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* behaviour.*/
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if (xkb_event == XkbMapNotify && (clients[i]->mapNotifyMask & changed))
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/* XKB allows clients to restrict the MappingNotify events sent to
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* them. This was broken for three years. Sorry. */
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if (xkb_event == XkbMapNotify &&
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(clients[i]->xkbClientFlags & _XkbClientInitialized) &&
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!(clients[i]->mapNotifyMask & changed))
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continue;
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/* Emulate previous server behaviour: any client which has activated
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* XKB will not receive core events emulated from a NewKeyboardNotify
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* at all. */
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if (xkb_event == XkbNewKeyboardNotify &&
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(clients[i]->xkbClientFlags & _XkbClientInitialized))
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continue;
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