void QUimInputContext::updatePreedit()
{
QString newString = getPreeditString();
int cursor = getPreeditCursorPosition();
int selLength = getPreeditSelectionLength();
if ( newString.isEmpty() && ! isComposing() )
return ;
// Activating the IM
if ( ! newString.isEmpty() && ! isComposing() )
sendIMEvent( QEvent::IMStart );
if ( ! newString.isEmpty() )
{
#ifdef ENABLE_DEBUG
qDebug( "cursor = %d, length = %d", cursor, newString.length() );
#endif
sendIMEvent( QEvent::IMCompose, newString, cursor, selLength );
}
// Preedit's length is Zero, we should deactivate IM and
// cancel the inputting, that is, sending IMEnd event with
// empty string.
if ( newString.isEmpty() && isComposing() )
sendIMEvent( QEvent::IMEnd );
}
void QUimInputContext::commitString( const QString& str )
{
if ( !isComposing() )
{
sendIMEvent( QEvent::IMStart );
}
sendIMEvent( QEvent::IMEnd, str );
}
void QGCINInputContext::reset()
{
// printf("reset %x %d %d\n", focusWidget(), isComposing(), composingText.isNull());
if ( focusWidget() && isComposing() && ! composingText.isNull() ) {
QInputContext::reset();
resetClientState();
}
}
// called when the keyboard is opened or closed
// virtual
void TextService::onKeyboardStatusChanged(bool opened) {
Ime::TextService::onKeyboardStatusChanged(opened);
if(client_)
client_->onKeyboardStatusChanged(opened);
if(opened) { // keyboard is opened
}
else { // keyboard is closed
if(isComposing()) {
// end current composition if needed
ITfContext* context = currentContext();
if(context) {
endComposition(context);
context->Release();
}
}
if(showingCandidates()) // disable candidate window if it's opened
hideCandidates();
hideMessage(); // hide message window, if there's any
}
}
// message window
void TextService::showMessage(Ime::EditSession* session, std::wstring message, int duration) {
// remove previous message if there's any
hideMessage();
// FIXME: reuse the window whenever possible
messageWindow_ = make_unique<Ime::MessageWindow>(this, session);
messageWindow_->setFont(font_);
messageWindow_->setText(message);
int x = 0, y = 0;
if(isComposing()) {
RECT rc;
if(selectionRect(session, &rc)) {
x = rc.left;
y = rc.bottom;
}
}
messageWindow_->move(x, y);
messageWindow_->show();
messageTimerId_ = ::SetTimer(messageWindow_->hwnd(), 1, duration * 1000, (TIMERPROC)TextService::onMessageTimeout);
}
void QUimInputContext::saveContext()
{
// just send IMEnd and keep preedit string
if ( isComposing() )
sendIMEvent( QEvent::IMEnd );
}