295 lines
9.1 KiB
C++
295 lines
9.1 KiB
C++
/***************************************************************************
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* Copyright (c) 2010 Werner Mayer <wmayer[at]users.sourceforge.net> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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# include <QCursor>
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# include <QTimer>
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# include <Inventor/nodes/SoCamera.h>
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#endif
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#include <Base/Tools.h>
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#include "DemoMode.h"
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#include "ui_DemoMode.h"
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#include "Application.h"
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#include "Command.h"
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#include "Document.h"
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#include "View3DInventor.h"
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#include "View3DInventorViewer.h"
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using namespace Gui::Dialog;
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/* TRANSLATOR Gui::Dialog::DemoMode */
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DemoMode::DemoMode(QWidget* /*parent*/, Qt::WindowFlags fl)
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: QDialog(nullptr, fl | Qt::WindowStaysOnTopHint), viewAxis(0, 0, -1), ui(new Ui_DemoMode)
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{
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// create widgets
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ui->setupUi(this);
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setupConnections();
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ui->playButton->setCheckable(true);
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timer = new QTimer(this);
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timer->setInterval(1000 * ui->timeout->value());
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connect(timer, &QTimer::timeout, this, &DemoMode::onAutoPlay);
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oldvalue = ui->angleSlider->value();
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wasHidden = false;
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showHideTimer = new QTimer(this);
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showHideTimer->setInterval(5000);
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connect(showHideTimer, &QTimer::timeout, this, &DemoMode::hide);
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}
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/** Destroys the object and frees any allocated resources */
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DemoMode::~DemoMode()
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{
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delete ui;
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}
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void DemoMode::setupConnections()
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{
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connect(ui->playButton, &QPushButton::clicked,
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this, &DemoMode::onPlayButtonToggled);
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connect(ui->fullscreen, &QCheckBox::toggled,
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this, &DemoMode::onFullscreenToggled);
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connect(ui->timerCheck, &QCheckBox::toggled,
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this, &DemoMode::onTimerCheckToggled);
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connect(ui->speedSlider, &QSlider::valueChanged,
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this, &DemoMode::onSpeedSliderValueChanged);
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connect(ui->angleSlider, &QSlider::valueChanged,
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this, &DemoMode::onAngleSliderValueChanged);
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connect(ui->timeout, qOverload<int>(&QSpinBox::valueChanged),
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this, &DemoMode::onTimeoutValueChanged);
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}
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void DemoMode::reset()
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{
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onFullscreenToggled(false);
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Gui::View3DInventor* view = activeView();
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if (view)
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view->getViewer()->stopAnimating();
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ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath
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("User parameter:BaseApp/Preferences/View");
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hGrp->Notify("UseAutoRotation");
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}
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void DemoMode::accept()
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{
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reset();
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QDialog::accept();
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}
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void DemoMode::reject()
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{
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reset();
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QDialog::reject();
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}
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bool DemoMode::eventFilter(QObject *obj, QEvent *event)
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{
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if (event->type() == QEvent::MouseMove) {
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if (ui->fullscreen->isChecked()) {
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QPoint point = QCursor::pos() - oldPos;
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if (point.manhattanLength() > 5) {
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show();
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showHideTimer->start();
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}
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}
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}
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return QDialog::eventFilter(obj, event);
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}
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void DemoMode::showEvent(QShowEvent *)
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{
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if (this->wasHidden)
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this->move(this->pnt);
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this->wasHidden = false;
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}
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void DemoMode::hideEvent(QHideEvent *)
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{
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this->pnt = this->pos();
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this->wasHidden = true;
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this->oldPos = QCursor::pos();
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showHideTimer->stop();
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}
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Gui::View3DInventor* DemoMode::activeView() const
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{
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Document* doc = Application::Instance->activeDocument();
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if (doc) {
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MDIView* view = doc->getActiveView();
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if (view && view->isDerivedFrom(Gui::View3DInventor::getClassTypeId())) {
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return static_cast<Gui::View3DInventor*>(view);
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}
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}
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return nullptr;
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}
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float DemoMode::getSpeed(int v) const
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{
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float speed = (static_cast<float>(v)) / 50.0f; // let 2.0 be the maximum speed
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return speed;
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}
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SbVec3f DemoMode::getDirection(Gui::View3DInventor* view) const
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{
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SoCamera* cam = view->getViewer()->getSoRenderManager()->getCamera();
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if (!cam)
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return this->viewAxis;
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SbRotation rot = cam->orientation.getValue();
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SbRotation inv = rot.inverse();
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SbVec3f vec(this->viewAxis);
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inv.multVec(vec, vec);
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if (vec.length() < FLT_EPSILON)
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vec = this->viewAxis;
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vec.normalize();
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return vec;
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}
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void DemoMode::onAngleSliderValueChanged(int v)
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{
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Gui::View3DInventor* view = activeView();
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if (view) {
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SoCamera* cam = view->getViewer()->getSoRenderManager()->getCamera();
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if (!cam)
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return;
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auto angle = Base::toRadians<float>(/*90-v*/v - this->oldvalue);
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SbRotation rot(SbVec3f(-1, 0, 0), angle);
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reorientCamera(cam ,rot);
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this->oldvalue = v;
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if (view->getViewer()->isAnimating()) {
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startAnimation(view);
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}
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}
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}
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void DemoMode::reorientCamera(SoCamera * cam, const SbRotation & rot)
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{
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// Find global coordinates of focal point.
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SbVec3f direction;
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cam->orientation.getValue().multVec(SbVec3f(0, 0, -1), direction);
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SbVec3f focalpoint = cam->position.getValue() +
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cam->focalDistance.getValue() * direction;
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// Set new orientation value by accumulating the new rotation.
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cam->orientation = rot * cam->orientation.getValue();
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// Reposition camera so we are still pointing at the same old focal point.
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cam->orientation.getValue().multVec(SbVec3f(0, 0, -1), direction);
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cam->position = focalpoint - cam->focalDistance.getValue() * direction;
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}
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void DemoMode::onSpeedSliderValueChanged(int v)
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{
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Q_UNUSED(v);
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Gui::View3DInventor* view = activeView();
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if (view && view->getViewer()->isAnimating()) {
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startAnimation(view);
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}
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}
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void DemoMode::onPlayButtonToggled(bool pressed)
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{
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Gui::View3DInventor* view = activeView();
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if (view) {
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if (pressed) {
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if (!view->getViewer()->isAnimating()) {
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SoCamera* cam = view->getViewer()->getSoRenderManager()->getCamera();
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if (cam) {
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SbRotation rot = cam->orientation.getValue();
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SbVec3f vec(0,-1,0);
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rot.multVec(vec, this->viewAxis);
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}
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}
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startAnimation(view);
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ui->playButton->setText(tr("Stop"));
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}
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else {
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view->getViewer()->stopAnimating();
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ui->playButton->setText(tr("Play"));
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}
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}
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}
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void DemoMode::onFullscreenToggled(bool on)
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{
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Gui::View3DInventor* view = activeView();
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if (view) {
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CommandManager &rcCmdMgr = Application::Instance->commandManager();
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Command* cmd = rcCmdMgr.getCommandByName("Std_ViewDockUndockFullscreen");
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if (cmd) cmd->invoke(on ? MDIView::FullScreen : MDIView::Child);
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this->activateWindow();
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ui->playButton->setChecked(false);
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}
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if (on) {
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qApp->installEventFilter(this);
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showHideTimer->start();
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}
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else {
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qApp->removeEventFilter(this);
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showHideTimer->stop();
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}
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}
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void DemoMode::onTimeoutValueChanged(int v)
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{
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timer->setInterval(v * 1000);
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}
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void DemoMode::onAutoPlay()
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{
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Gui::View3DInventor* view = activeView();
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if (view && !view->getViewer()->isAnimating()) {
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ui->playButton->setChecked(true);
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}
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}
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void DemoMode::startAnimation(Gui::View3DInventor* view)
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{
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if (!view->getViewer()->isAnimationEnabled())
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view->getViewer()->setAnimationEnabled(true);
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view->getViewer()->startAnimating(getDirection(view),
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getSpeed(ui->speedSlider->value()));
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}
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void DemoMode::onTimerCheckToggled(bool on)
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{
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if (on)
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timer->start();
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else
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timer->stop();
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}
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void DemoMode::changeEvent(QEvent *e)
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{
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if (e->type() == QEvent::LanguageChange)
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ui->retranslateUi(this);
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QDialog::changeEvent(e);
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}
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#include "moc_DemoMode.cpp"
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