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[PULL,4/4] kbd-state: fix autorepeat handling

Message ID 20190517161241.11813-5-kraxel@redhat.com (mailing list archive)
State New, archived
Headers show
Series [PULL,1/4] ui/curses: do not assume wchar_t contains unicode | expand

Commit Message

Gerd Hoffmann May 17, 2019, 4:12 p.m. UTC 
When allowing multiple down-events in a row (key autorepeat) we can't
use change_bit() any more to update the state, because autorepeat events
don't change the key state.  We have to explicitly use set_bit() and
clear_bit() instead.

Cc: qemu-stable@nongnu.org
Fixes: 35921860156e kbd-state: don't block auto-repeat events
Buglink: https://bugs.launchpad.net/qemu/+bug/1828272
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20190514042443.10735-1-kraxel@redhat.com
---
 ui/kbd-state.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
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Patch

diff --git a/ui/kbd-state.c b/ui/kbd-state.c
index f3ab2d7a665d..1668d17ddabc 100644
--- a/ui/kbd-state.c
+++ b/ui/kbd-state.c
@@ -59,7 +59,11 @@  void qkbd_state_key_event(QKbdState *kbd, QKeyCode qcode, bool down)
     }
 
     /* update key and modifier state */
-    change_bit(qcode, kbd->keys);
+    if (down) {
+        set_bit(qcode, kbd->keys);
+    } else {
+        clear_bit(qcode, kbd->keys);
+    }
     switch (qcode) {
     case Q_KEY_CODE_SHIFT:
     case Q_KEY_CODE_SHIFT_R: