Some keyboard layouts have physical dead keys (like the ¨ key on a
Norwegian keyboard). These do not send any text, so we should not use
[NSString characterAtIndex:0] if the string is empty. When encountering
an empty [NSEvent character] string, use Qt::Key_unknown and
QChar::ReplacementCharacter.
Change-Id: I7281aa9ea6005341c0dcfa5900bfe601e4eac6a9
Reviewed-by: Morten Johan Sørvig <morten.sorvig@nokia.com>
ulong timestamp = [nsevent timestamp] * 1000;
Qt::KeyboardModifiers modifiers = [self convertKeyModifiers:[nsevent modifierFlags]];
NSString *charactersIgnoringModifiers = [nsevent charactersIgnoringModifiers];
- QChar ch([charactersIgnoringModifiers characterAtIndex:0]);
- int keyCode = [self convertKeyCode:ch];
+
+ QChar ch;
+ int keyCode;
+ if ([charactersIgnoringModifiers length] > 0) {
+ // convert the first character into a key code
+ ch = QChar([charactersIgnoringModifiers characterAtIndex:0]);
+ keyCode = [self convertKeyCode:ch];
+ } else {
+ // might be a dead key
+ ch = QChar::ReplacementCharacter;
+ keyCode = Qt::Key_unknown;
+ }
// we will send a key event unless the input method sets m_sendKeyEvent to false
m_sendKeyEvent = true;