fernandotonon/QtMeshEditor

/*
-----------------------------------------------------------------------------------
A QtMeshEditor file
 
Copyright (c) Fernando Tonon (https://github.com/fernandotonon)
 
The MIT License
 
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
 
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
 
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
-----------------------------------------------------------------------------------
*/
 
#include <QDebug>
#include <QTimer>
#include <QCoreApplication>
#include <QTimer>
 
#include <Ogre.h>
 
#include "GlobalDefinitions.h"
 
#include "OgreWidget.h"
#include "Manager.h"
#include "SpaceCamera.h"
#include "EditorViewport.h"
#include "QtInputManager.h"
 
OgreWidget::OgreWidget( QWidget *parent ):
    QWidget( parent )
{
    setAttribute( Qt::WA_PaintOnScreen );
    setAttribute( Qt::WA_OpaquePaintEvent );
    setMinimumSize(100,100);
 
    setFocusPolicy(Qt::ClickFocus); //one click to get focus
 
    initOgreWindow();
}
 
OgreWidget::~OgreWidget()
{
 
    if(mOgreWindow)
    {
        mOgreWindow->removeAllViewports();
        mViewport = nullptr;
    }
    if(mOgreRoot)
    {
        mOgreRoot->removeFrameListener(this);
        mOgreRoot->detachRenderTarget(mOgreWindow);
        mOgreWindow->setActive(false);
        mOgreWindow = nullptr;
    }
 
    destroy();
}
 
 
int OgreWidget::getIndex() const
{
    return (qobject_cast<EditorViewport *>(parent()))->getIndex();
}
 
QColor OgreWidget::getBackgroundColor() const
{
    if(mViewport)
    {
        Ogre::ColourValue bgColour = mViewport->getBackgroundColour();
        return QColor::fromRgbF(bgColour.r, bgColour.g, bgColour.b);
    }
    else
        return QColor(Qt::black);
}
 
const Ogre::Viewport* OgreWidget::getViewport() const
{   return mViewport;   }
 
void OgreWidget::setBackgroundColor(const QColor& c)
{
    Ogre::ColourValue ogreColour;
    ogreColour.setAsARGB(c.rgba());
 
    if(mViewport)
        mViewport->setBackgroundColour(ogreColour);
}
 
 
void OgreWidget::initOgreWindow(void)
{
    mOgreRoot = Manager::getSingleton()->getRoot();
 
    // Get the parameters of the window QT created
  Ogre::String winHandle;
#ifdef WIN32
  // Windows code
  winHandle = Ogre::StringConverter::toString((unsigned long)(this->parentWidget()->winId()));
#else
        winHandle  = Ogre::StringConverter::toString(winId());
#endif
 
  Ogre::NameValuePairList params;
 
  params["externalWindowHandle"] = winHandle;
#ifdef Q_OS_MACOS
  // code for Mac
  params["macAPI"] = "cocoa";
  params["macAPICocoaUseNSView"] = "true";
#endif
 
  QString name = "Viewport " + QString::number(getIndex());
  while (mOgreRoot->getRenderTarget(name.toStdString())) {
        name+=".";
  }
 
  mOgreWindow = mOgreRoot->createRenderWindow( name.toStdString().data(),
                           width(),
                           height(),
                           false,
                           &params );
 
  mOgreWindow->setActive(true);
 
  mCamera = std::make_unique<SpaceCamera>(this);
 
  mViewport = mOgreWindow->addViewport( mCamera->getCamera() );
  mViewport->setBackgroundColour( Ogre::ColourValue( 0,0,0 ) );
  mViewport->setVisibilityMask(SCENE_VISIBILITY_FLAGS);
 
  mOgreRoot->addFrameListener(this);
}
 
Function `frameStarted` argument 1 names different: declaration `evt` definition `e`.
bool OgreWidget::frameStarted(const Ogre::FrameEvent& e)
{
    return true;
}
 
Function `frameRenderingQueued` argument 1 names different: declaration `evt` definition `e`.
The function `frameRenderingQueued` is never used.
bool OgreWidget::frameRenderingQueued(const Ogre::FrameEvent &e)
{
    return true;
}
 
Function `frameEnded` argument 1 names different: declaration `evt` definition `e`.
bool OgreWidget::frameEnded(const Ogre::FrameEvent& e)
{
    if(mOgreWindow)
    {
        mOgreWindow->windowMovedOrResized();
        mOgreWindow->update();
    }
 
    return true;
}
 
The function `paintEngine` is never used.
QPaintEngine* OgreWidget:: paintEngine() const
{    return nullptr;  }
 
void OgreWidget::resizeEvent(QResizeEvent *e)
{
    QWidget::resizeEvent(e);
 
    if(e->isAccepted())
    {
        const QSize &newSize = e->size();
        if(mOgreWindow)
        {
            mOgreWindow->resize(newSize.width(), newSize.height());
            mOgreWindow->windowMovedOrResized();
        }
        if(mCamera)
            mCamera->setAspectRatio((Ogre::Real)width()/(Ogre::Real)height());
        update();
    }
}
 
void OgreWidget::moveEvent(QMoveEvent *e)
{
    QWidget::moveEvent(e);
 
    if(e->isAccepted() && mOgreWindow)
    {
        mOgreWindow->windowMovedOrResized();
        update();
    }
}
 
////////////////////////////////////////////////////////////////////////////////////////
// Mouse & Keyboard event Widget level
 
void OgreWidget::keyPressEvent(QKeyEvent *e)
{
    mCamera->keyPressEvent(e);
    e->ignore();
}
 
void OgreWidget::keyReleaseEvent(QKeyEvent *e)
{   mCamera->keyReleaseEvent(e);  }
 
void OgreWidget::wheelEvent(QWheelEvent *e)
{
    QtInputManager::getInstance().wheelEvent(e);
    mCamera->wheelEvent(e);
}
 
void OgreWidget::mousePressEvent(QMouseEvent *e)
{
    QtInputManager::getInstance().mousePressEvent(e);
 
    mCamera->mousePressEvent(e);
 
    if(e->buttons().testFlag(Qt::MiddleButton))
    {
        QCursor cursor = this->cursor();
        cursor.setShape(Qt::SizeAllCursor);
        QWidget::setCursor(cursor);
 
        e->accept();
 
    }
    else if(e->buttons().testFlag(Qt::LeftButton))
    {
 
        QCursor cursor = this->cursor();
        cursor.setShape(Qt::ClosedHandCursor);
        QWidget::setCursor(cursor);
 
 
        e->accept();
    }
    else
    {
        e->ignore();
    }
}
 
void OgreWidget::mouseMoveEvent(QMouseEvent *e)
{
    QtInputManager::getInstance().mouseMoveEvent(e);
 
    mCamera->mouseMoveEvent(e);
}
 
void OgreWidget::mouseReleaseEvent(QMouseEvent *e)
{
    QtInputManager::getInstance().mouseReleaseEvent(e);
    mCamera->mouseReleaseEvent(e);
 
    QCursor cursor = this->cursor();
    cursor.setShape(Qt::ArrowCursor);
    QWidget::setCursor(cursor);
 
}
 
The function `focusInEvent` is never used.
void OgreWidget::focusInEvent(QFocusEvent* e)
{
 
    emit focusOnWidget(this);
    parentWidget()->update(); //required to show the highlight on the DockWidget
    mViewport->setVisibilityMask(SCENE_VISIBILITY_FLAGS | GUI_VISIBILITY_FLAGS);
    e->accept();
 
}
 
The function `focusOutEvent` is never used.
void OgreWidget::focusOutEvent(QFocusEvent* e)
{
 
    parentWidget()->update(); //required to show the highlight on the DockWidget
    mViewport->setVisibilityMask(SCENE_VISIBILITY_FLAGS);
    e->accept();
}