void TabCompleter::complete()
{
if (!enabled) {
buildCompletionList();
enabled = true;
}
if (nextCompletion != completionMap.end()) {
// clear previous completion
auto cur = msgEdit->textCursor();
cur.setPosition(cur.selectionEnd());
msgEdit->setTextCursor(cur);
for (int i = 0; i < lastCompletionLength; ++i)
msgEdit->textCursor().deletePreviousChar();
// insert completion
msgEdit->insertPlainText(*nextCompletion);
// remember charcount to delete next time and advance to next completion
lastCompletionLength = nextCompletion->length();
++nextCompletion;
// we're completing the first word of the line
if (msgEdit->textCursor().position() == lastCompletionLength) {
msgEdit->insertPlainText(nickSuffix);
lastCompletionLength += nickSuffix.length();
}
} else { // we're at the end of the list -> start over again
if (!completionMap.isEmpty()) {
nextCompletion = completionMap.begin();
complete();
}
}
}
void SyntaxLineEdit::completionKeyPressEvent(QKeyEvent *event)
{
// Forward to the completer if needed...
if (completer_ && completer_->popup()->isVisible()) {
switch (event->key()) {
case Qt::Key_Enter:
case Qt::Key_Return:
case Qt::Key_Tab:
focusNextChild();
break;
case Qt::Key_Escape:
case Qt::Key_Backtab:
event->ignore();
return;
default:
break;
}
}
// ...otherwise process the key ourselves.
SyntaxLineEdit::keyPressEvent(event);
if (!completer_ || !completion_model_) return;
// Do nothing on bare shift.
if ((event->modifiers() & Qt::ShiftModifier) && event->text().isEmpty()) return;
if (event->modifiers() & (Qt::ControlModifier | Qt::AltModifier | Qt::MetaModifier)) {
completer_->popup()->hide();
return;
}
QPoint token_coords(getTokenUnderCursor());
QString token_word = text().mid(token_coords.x(), token_coords.y());
buildCompletionList(token_word);
if (completion_model_->stringList().length() < 1) {
completer_->popup()->hide();
return;
}
QRect cr = cursorRect();
cr.setWidth(completer_->popup()->sizeHintForColumn(0)
+ completer_->popup()->verticalScrollBar()->sizeHint().width());
completer_->complete(cr);
}
