Added runtime stereo selection to settings dialog and at plugin start

Author: Marco Bernasocchi

src/plugins/globe/globe_plugin_dialog.cpp

@@ -31,11 +31,18 @@
 #include <QStringList>
 #include <QVariant>
 
+#include <osgViewer/Viewer>
+
 //constructor
 QgsGlobePluginDialog::QgsGlobePluginDialog( QWidget* parent, Qt::WFlags fl )
     : QDialog( parent, fl )
 {
   setupUi( this );
+  stereoMode = settings.value( "/Plugin-Globe/stereoMode", "OFF" ).toString();
+  comboStereoMode->setCurrentIndex( comboStereoMode->findText( stereoMode ) );
+  
+  earthFile = settings.value( "/Plugin-Globe/earthFile", QgsApplication::pkgDataPath() + "/globe/globe.earth" ).toString();
+  inputEarthFile->setText( earthFile );
 }
 
 //destructor
@@ -44,19 +51,64 @@ QgsGlobePluginDialog::~QgsGlobePluginDialog()
 }
 
 QString QgsGlobePluginDialog::openFile()
-{
-  QSettings sets;
+{ 
   QString path = QFileDialog::getOpenFileName( this,
-                 tr( "Open Earthfile" ),
-                 "/home",
-                 tr( "Earthfiles (*.earth)" ) );
+                 tr( "Open earth file" ),
+                 earthFile,
+                 tr( "Earth files (*.earth)" ) );
 
   return path;
 }
 
+void QgsGlobePluginDialog::setStereoMode()
+{
+  if("OFF" == stereoMode)
+  {
+    osg::DisplaySettings::instance()->setStereo( false );
+    }
+  else if("ADVANCED" == stereoMode)
+  {
+    //osg::DisplaySettings::instance()->set
+    }
+  else
+  {
+    osg::DisplaySettings::instance()->setStereo( true );
+    
+    if("ANAGLYPHIC" == stereoMode)
+    {
+      osg::DisplaySettings::instance()->setStereoMode( osg::DisplaySettings::ANAGLYPHIC );
+    }
+    else if("VERTICAL_SPLIT" == stereoMode)
+    {
+      osg::DisplaySettings::instance()->setStereoMode( osg::DisplaySettings::VERTICAL_SPLIT );
+    }
+    else
+    {
+      showMessageBox("This stereo mode has not been implemented yet. Defaulting to ANAGLYPHIC");
+    }
+  }
+}
+
+void QgsGlobePluginDialog::setEarthFile()
+{
+  showMessageBox("TODO: set earth file to " + earthFile);
+}
+
+void QgsGlobePluginDialog::restartGlobe()
+{
+  //showMessageBox("TODO: restart globe");
+}
+
+bool QgsGlobePluginDialog::globeRunning()
+{
+  //TODO: method that tells if the globe plugin is running
+  return true;
+}
+
 void QgsGlobePluginDialog::on_buttonBox_accepted()
 {
   /*
+   * 
   // Validate input settings
   QString srcUrl( inputSrcDataset->text() );
   QString srcLayer( comboSrcLayer->currentText() );
@@ -138,6 +190,13 @@ void QgsGlobePluginDialog::on_buttonBox_accepted()
 
   // Close dialog box
   */
+  setStereoMode();
+  setEarthFile();
+  
+  if ( globeRunning() )
+  {
+    restartGlobe();
+  } 
   accept();
 }
 
@@ -146,48 +205,32 @@ void QgsGlobePluginDialog::on_buttonBox_rejected()
   reject();
 }
 
-void QgsGlobePluginDialog::on_comboStereo_currentIndexChanged( int stereoMode )
+void QgsGlobePluginDialog::on_comboStereoMode_currentIndexChanged( QString mode )
 {
-   QMessageBox msgBox;
-    msgBox.setText("stereo mode changed");
-    msgBox.exec();
-  //showText("stereo mode changed");
-  /*
-  // Select destination data format
-  QString frmtCode = comboDstFormats->currentText();
-  mDstFormat = mFrmts.find( frmtCode );
-
-  resetDstUi();
-  */
+  stereoMode = mode;
+  settings.setValue( "/Plugin-Globe/stereoMode", stereoMode );
 }
 
-void QgsGlobePluginDialog::on_buttonSelectEarthfile_clicked()
+void QgsGlobePluginDialog::on_buttonSelectEarthFile_clicked()
 {
-  QMessageBox msgBox;
-    msgBox.setText("select file");
-    msgBox.exec();
-    /*
-  QSettings settings;
   QString src;
 
   src = openFile();
 
-  inputSrcDataset->setText( src );
+  inputEarthFile->setText( src );
 
   if ( !src.isEmpty() )
   {
-    QMessageBox msgBox;
-    msgBox.setText(src);
-    msgBox.exec();
-    //showText( src.toString() );
+    earthFile = src;
+    settings.setValue( "/Plugin-Globe/earthFile", earthFile );
   }
-  */
+  
 }
 
-/*void QgsGlobePluginDialog::showText(QString text)
+void QgsGlobePluginDialog::showMessageBox( QString text )
 {
   QMessageBox msgBox;
     msgBox.setText(text);
     msgBox.exec();
 }
-*/
+

src/plugins/globe/globe_plugin_dialog.h

@@ -20,6 +20,7 @@
 
 #include <ui_globe_plugin_dialog_guibase.h>
 #include <QDialog>
+#include <QSettings>
 #include "qgscontexthelp.h"
 
 class QgsGlobePluginDialog:public QDialog, private Ui::QgsGlobePluginDialogGuiBase
@@ -31,14 +32,21 @@ class QgsGlobePluginDialog:public QDialog, private Ui::QgsGlobePluginDialogGuiBa
     ~QgsGlobePluginDialog();
 
   private:
+    QString stereoMode;
+    QString earthFile;
     QString openFile();
-    void showText( int text);
+    QSettings settings;
+    void setStereoMode();
+    void setEarthFile();
+    void restartGlobe();
+    bool globeRunning();
+    void showMessageBox( QString text);
 
   private slots:
     void on_buttonBox_accepted();
     void on_buttonBox_rejected();
-    void on_buttonSelectEarthfile_clicked();
-    void on_comboStereo_currentIndexChanged( int stereoMode );
+    void on_buttonSelectEarthFile_clicked();
+    void on_comboStereoMode_currentIndexChanged( QString mode );
 };
 
 #endif				// QGIS_GLOBE_PLUGIN_DIALOG_H

src/plugins/globe/globe_plugin_dialog_guibase.ui

@@ -44,7 +44,7 @@
      </property>
      <layout class="QGridLayout" name="gridLayout_2">
       <item row="0" column="0">
-       <widget class="QLineEdit" name="inputEarthfileDataset">
+       <widget class="QLineEdit" name="inputEarthFile">
         <property name="minimumSize">
          <size>
           <width>200</width>
@@ -54,7 +54,7 @@
        </widget>
       </item>
       <item row="0" column="1">
-       <widget class="QPushButton" name="buttonSelectEarthfile">
+       <widget class="QPushButton" name="buttonSelectEarthFile">
         <property name="text">
          <string>Browse</string>
         </property>
@@ -76,7 +76,7 @@
      </property>
      <layout class="QGridLayout" name="gridLayout_3">
       <item row="0" column="0" colspan="2">
-       <widget class="QComboBox" name="comboStereo">
+       <widget class="QComboBox" name="comboStereoMode">
         <property name="minimumSize">
          <size>
           <width>300</width>
@@ -98,7 +98,7 @@
         </item>
         <item>
          <property name="text">
-          <string>CHECKERBOARD</string>
+          <string>VERTICAL_SPLIT</string>
          </property>
         </item>
        </widget>
@@ -117,9 +117,9 @@
  </widget>
  <layoutdefault spacing="6" margin="11"/>
  <tabstops>
-  <tabstop>inputEarthfileDataset</tabstop>
-  <tabstop>buttonSelectEarthfile</tabstop>
-  <tabstop>comboStereo</tabstop>
+  <tabstop>inputEarthFile</tabstop>
+  <tabstop>buttonSelectEarthFile</tabstop>
+  <tabstop>comboStereoMode</tabstop>
   <tabstop>buttonBox</tabstop>
  </tabstops>
  <resources/>

src/plugins/globe/qgsosgviewer.cpp

@@ -20,11 +20,13 @@
 
 #include <osgViewer/ViewerEventHandlers>
 
+#include <QString>
 
 QgsGLWidgetAdapter::QgsGLWidgetAdapter( QWidget * parent, const char * name, const QGLWidget * shareWidget, WindowFlags f):
     QGLWidget(parent, shareWidget, f)
 {
     _gw = new osgViewer::GraphicsWindowEmbedded(0,0,width(),height());
+    setStereoMode();
     setFocusPolicy(Qt::ClickFocus);
     setMouseTracking ( true );
 }
@@ -82,3 +84,40 @@ void QgsGLWidgetAdapter::wheelEvent(QWheelEvent *event)
 {
     _gw->getEventQueue()->mouseScroll((event->delta()>0) ? osgGA::GUIEventAdapter::SCROLL_DOWN : osgGA::GUIEventAdapter::SCROLL_UP);
 }
+
+void QgsGLWidgetAdapter::setStereoMode()
+{
+  //TODO: maybe consolidate this method somewhere else since it is repeated in globe_plugin_dialog.cpp
+  
+  //osg::DisplaySettings::instance()->setStereo( (bool) settings.value( "/Plugin-Globe/stereo", 0 ).toInt() );
+  //osg::DisplaySettings::instance()->setStereoMode( (osg::DisplaySettings::StereoMode) settings.value( "/Plugin-Globe/stereoMode", 1 ).toInt());
+  
+  QString stereoMode;
+  stereoMode = settings.value( "/Plugin-Globe/stereoMode", "OFF" ).toString();
+  
+  if("OFF" == stereoMode)
+  {
+    osg::DisplaySettings::instance()->setStereo( false );
+    }
+  else if("ADVANCED" == stereoMode)
+  {
+    //osg::DisplaySettings::instance()->set
+    }
+  else
+  {
+    osg::DisplaySettings::instance()->setStereo( true );
+    
+    if("ANAGLYPHIC" == stereoMode)
+    {
+      osg::DisplaySettings::instance()->setStereoMode( osg::DisplaySettings::ANAGLYPHIC );
+    }
+    else if("VERTICAL_SPLIT" == stereoMode)
+    {
+      osg::DisplaySettings::instance()->setStereoMode( osg::DisplaySettings::VERTICAL_SPLIT );
+    }
+    else
+    {
+      //should never get here
+    }
+  }
+}

src/plugins/globe/qgsosgviewer.h

@@ -25,6 +25,7 @@
 #include <QtOpenGL/QGLWidget>
 #include <QtGui/QKeyEvent>
 #include <QtCore/QTimer>
+#include <QSettings>
 
 using Qt::WindowFlags;
 
@@ -51,6 +52,11 @@ class QgsGLWidgetAdapter : public QGLWidget
         virtual void wheelEvent( QWheelEvent * event );
 
         osg::ref_ptr<osgViewer::GraphicsWindowEmbedded> _gw;
+        
+    private:
+    
+        QSettings settings;
+        void setStereoMode();
 };