Files
create/src/Mod/TechDraw/Gui/QGVNavStyleBlender.cpp

129 lines
4.7 KiB
C++

/***************************************************************************
* Copyright (c) 2022 Wanderer Fan <wandererfan@gmail.com> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library 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 Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
#include <QApplication>
#include <QGuiApplication>
#include <QMouseEvent>
#endif
#include "QGVPage.h"
#include "QGVNavStyleBlender.h"
using namespace TechDrawGui;
namespace TechDrawGui {
QGVNavStyleBlender::QGVNavStyleBlender(QGVPage* qgvp) :
QGVNavStyle(qgvp)
{
}
QGVNavStyleBlender::~QGVNavStyleBlender()
{
}
void QGVNavStyleBlender::handleKeyReleaseEvent(QKeyEvent *event)
{
if ((event->key() == Qt::Key_Shift) && panningActive) {
stopPan();
event->accept();
}
}
void QGVNavStyleBlender::handleMousePressEvent(QMouseEvent *event)
{
Q_UNUSED(event)
// Base::Console().Message("QGVNSBlender::handleMousePressEvent() - button: %d buttons: %d\n", event->button(), event->buttons());
}
void QGVNavStyleBlender::handleMouseMoveEvent(QMouseEvent *event)
{
// Base::Console().Message("QGVNSBlender::handleMouseMoveEvent() - buttons: %d modifiers: %X\n",
// QGuiApplication::mouseButtons() & Qt::MiddleButton,
// QGuiApplication::keyboardModifiers().testFlag(Qt::ShiftModifier));
if (getViewer()->isBalloonPlacing()) {
getViewer()->setBalloonCursorPos(event->pos());
}
if ((QGuiApplication::mouseButtons() & Qt::LeftButton) &&
(QGuiApplication::mouseButtons() & Qt::RightButton)) {
//pan mode 1 - LMB + RMB
if (panningActive) {
pan(event->pos());
} else {
startPan(event->pos());
}
event->accept();
} else if ((QGuiApplication::mouseButtons() & Qt::MiddleButton) &&
(QGuiApplication::keyboardModifiers().testFlag(Qt::ShiftModifier)) ) {
//pan mode 2 - Shift + MMB
if (panningActive) {
pan(event->pos());
} else {
startPan(event->pos());
}
event->accept();
}
}
void QGVNavStyleBlender::handleMouseReleaseEvent(QMouseEvent *event)
{
// Base::Console().Message("QGVNSBlender::handleMouseReleaseEvent() - button: %d buttons: %d\n", event->button(), event->buttons());
if (getViewer()->isBalloonPlacing()) {
placeBalloon(event->pos());
}
if (panningActive) {
//pan mode 1 - LMB + RMB + mouse move
//stop panning if either button released
if ( (event->button() == Qt::LeftButton) ||
(event->button() == Qt::RightButton)) {
stopPan();
event->accept();
}
//pan mode 2 - Shift + MMB
//stop panning if MMB released
if (event->button() == Qt::MiddleButton) {
stopPan();
event->accept();
}
}
}
bool QGVNavStyleBlender::allowContextMenu(QContextMenuEvent *event)
{
// Base::Console().Message("QGVNSBlender::allowContextMenu()\n");
if (event->reason() == QContextMenuEvent::Mouse) {
//must check for a button combination involving context menu button
if (QGuiApplication::mouseButtons() & Qt::LeftButton) {
//LeftButton is down, so this is LMB + RMB - don't allow context menu
return false;
}
}
return true;
}
} // namespace TechDrawGui