netradiant-custom/libs/gtkutil/lineedit.h

55 lines
1.9 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 <QLineEdit>
#include <QKeyEvent>
#include <QCompleter>
#include <QAbstractItemView>
/// @brief Subclassed QLineEdit not comsuming undo/redo shortcuts
/// it's more useful to have working undo of editor
/// Qt should better not eat these shortcuts when QLineEdit's undo is disabled, but it does
class LineEdit : public QLineEdit
{
protected:
bool event( QEvent *event ) override {
if( event->type() == QEvent::ShortcutOverride ){
QKeyEvent *keyEvent = static_cast<QKeyEvent *>( event );
if( keyEvent == QKeySequence::StandardKey::Undo
|| keyEvent == QKeySequence::StandardKey::Redo )
return false;
// fix QCompleter leaking shortcuts
if( completer() != nullptr && completer()->popup() != nullptr && completer()->popup()->isVisible() )
if( keyEvent->key() == Qt::Key_Return
|| keyEvent->key() == Qt::Key_Enter
|| keyEvent->key() == Qt::Key_Escape
|| keyEvent->key() == Qt::Key_Up
|| keyEvent->key() == Qt::Key_Down
|| keyEvent->key() == Qt::Key_PageUp
|| keyEvent->key() == Qt::Key_PageDown )
event->accept();
}
return QLineEdit::event( event );
}
};