netradiant-custom/libs/gtkutil/combobox.h
2023-07-03 12:26:20 +06:00

62 lines
2.2 KiB
C++

/*
Copyright (C) 2001-2006, William Joseph.
All Rights Reserved.
This file is part of GtkRadiant.
GtkRadiant is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
GtkRadiant is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#pragma once
#include <QComboBox>
#include <QKeyEvent>
#include <QAbstractItemView>
/// @brief Subclassed QComboBox not comsuming Enter key (why does it do it? works as expected for editable ComboBox)
/// purpose is to have working confirmation by Enter in dialogs
/// +fixes crude problem: triggering arrows, page, home, end global shortcuts when pressed in popup; even if modal dialog 😱
class ComboBox : public QComboBox
{
public:
ComboBox( QWidget *parent = nullptr ) : QComboBox( parent ){
this->view()->installEventFilter( this );
}
protected:
void keyPressEvent( QKeyEvent *event ) override {
if( event->key() == Qt::Key_Enter
|| event->key() == Qt::Key_Return ){
event->ignore();
return;
}
QComboBox::keyPressEvent( event );
}
bool eventFilter( QObject *obj, QEvent *event ) override {
// the popup leaks ALL shortcuts 😱 to global space 😱😱😱 besides ones handled in QComboBoxPrivateContainer::eventFilter
// it very bad, can interact with the editor while in modal dialog and crash it
// filter them all besides ones, taken by the other filter
if( event->type() == QEvent::ShortcutOverride ) {
QKeyEvent *keyEvent = static_cast<QKeyEvent *>( event );
if( keyEvent->key() != Qt::Key_Return
&& keyEvent->key() != Qt::Key_Enter
&& !keyEvent->matches( QKeySequence::Cancel ) ){
event->accept();
return true;
}
}
return QObject::eventFilter( obj, event ); // standard event processing
}
};