[Marble-commits] KDE/kdeedu/marble/src/plugins/render/positionmarker

[Torsten Rahn]

SVN commit 1210186 by rahn:

- Config Dialog for PositionMarker Plugin by Daniel Marth:

Adds a configuration dialog to the position marker plugin to load a
custom image as marker.
GCI task:
http://www.google-melange.com/gci/task/show/google/gci2010/kde/t129347413457



 M  +3 -0      CMakeLists.txt  
 M  +82 -0     PositionMarker.cpp  
 M  +16 -0     PositionMarker.h  


--- trunk/KDE/kdeedu/marble/src/plugins/render/positionmarker/CMakeLists.txt #1210185:1210186
@@ -8,5 +8,8 @@
 INCLUDE(${QT_USE_FILE})
 
 set( positionmarker_SRCS PositionMarker.cpp )
+set( positionmarker_UI PositionMarkerConfigWidget.ui )
 
+qt4_wrap_ui(positionmarker_SRCS ${positionmarker_UI})
+
 marble_add_plugin( PositionMarker ${positionmarker_SRCS} )
--- trunk/KDE/kdeedu/marble/src/plugins/render/positionmarker/PositionMarker.cpp #1210185:1210186
@@ -16,7 +16,11 @@
 #include "MarbleDebug.h"
 #include <QtCore/QRect>
 #include <QtGui/QColor>
+#include <QtGui/QFileDialog>
+#include <QtGui/QMessageBox>
+#include <QtGui/QPushButton>
 
+#include "ui_PositionMarkerConfigWidget.h"
 #include "AbstractProjection.h"
 #include "MarbleDataFacade.h"
 #include "GeoPainter.h"
@@ -29,7 +33,10 @@
 PositionMarker::PositionMarker ()
     : RenderPlugin(),
       m_isInitialized( false ),
+      m_useCustomCursor( false ),
+      ui_configWidget( 0 ),
       m_aboutDialog( 0 ),
+      m_configDialog( 0 ),
       m_viewport( 0 )
 {
 }
@@ -110,6 +117,27 @@
     return m_aboutDialog;
 }
 
+QDialog *PositionMarker::configDialog() const
+{
+    if ( !m_configDialog ) {
+        // Initializing configuration dialog
+        m_configDialog = new QDialog();
+        ui_configWidget = new Ui::PositionMarkerConfigWidget;
+        ui_configWidget->setupUi( m_configDialog );
+        readSettings();
+        connect( ui_configWidget->m_buttonBox, SIGNAL( accepted() ),
+                 SLOT( writeSettings() ) );
+        connect( ui_configWidget->m_buttonBox, SIGNAL( rejected() ),
+                 SLOT( readSettings() ) );
+        QPushButton *applyButton = ui_configWidget->m_buttonBox->button( QDialogButtonBox::Apply );
+        connect( applyButton, SIGNAL( clicked() ),
+                 SLOT( writeSettings() ) );
+        connect( ui_configWidget->m_fileChooserButton, SIGNAL( clicked() ),
+                 SLOT( chooseCustomCursor() ) );
+    }
+    return m_configDialog;
+}
+
 void PositionMarker::initialize()
 {
     if ( dataFacade() ) {
@@ -202,9 +230,18 @@
             painter->drawEllipse( m_currentPosition, width, width );
         }
 
+        if( m_useCustomCursor)
+        {
+            QRectF rect = m_arrow.boundingRect().toAlignedRect();
+            if( rect.isValid() )
+                painter->drawPixmap( rect.topLeft(), m_customCursor );
+        }
+        else
+        {
         painter->setPen( Qt::black );
         painter->setBrush( Qt::white );
         painter->drawPolygon( m_arrow );
+        }
 
         painter->restore();
         m_previousArrow = m_arrow;
@@ -212,6 +249,27 @@
     return true;
 }
 
+void PositionMarker::readSettings() const
+{
+    if(m_useCustomCursor)
+        ui_configWidget->m_customCursor->click();
+    else
+        ui_configWidget->m_originalCursor->click();
+}
+
+void PositionMarker::writeSettings()
+{
+    if( ui_configWidget->m_customCursor->isChecked() && 
+        ui_configWidget->m_fileChooserButton->icon().isNull() )
+    {
+        QMessageBox::warning( NULL, tr( "Error" ), tr( "No cursor selected, the default cursor will be used." ), QMessageBox::Ok );
+        m_useCustomCursor = false;
+        readSettings();
+        return;
+    }
+    m_useCustomCursor = ui_configWidget->m_customCursor->isChecked();
+}
+
 void PositionMarker::setPosition( const GeoDataCoordinates &position )
 {
     m_previousPosition = m_currentPosition;
@@ -222,6 +280,30 @@
     }
 }
 
+void PositionMarker::chooseCustomCursor()
+{
+    QString filename = QFileDialog::getOpenFileName( NULL, tr( "Choose Custom Cursor" ) );
+    if( !filename.isEmpty() )
+        loadCustomCursor( filename );
+}
+
+int PositionMarker::loadCustomCursor( const QString& filename )
+{
+    m_customCursor = QPixmap( filename ).scaled( 22, 22, Qt::KeepAspectRatio, Qt::SmoothTransformation );
+    if( !m_customCursor.isNull() )
+    {
+        ui_configWidget->m_customCursor->click();
+        ui_configWidget->m_fileChooserButton->setIcon( QIcon( m_customCursor ) );
+        return 0;
+    }
+    else
+    {
+        QMessageBox::warning( NULL, tr( "Error" ), tr( "Unable to load custom cursor. Make sure this is a valid image file." ), QMessageBox::Ok );
+        ui_configWidget->m_fileChooserButton->setIcon( QIcon() );
+        return 1;
+    }
+}
+
 qreal PositionMarker::zValue() const
 {
     return 1.0;
--- trunk/KDE/kdeedu/marble/src/plugins/render/positionmarker/PositionMarker.h #1210185:1210186
@@ -19,6 +19,11 @@
 #include "GeoDataCoordinates.h"
 #include "PluginAboutDialog.h"
 
+namespace Ui
+{
+    class PositionMarkerConfigWidget;
+}
+
 namespace Marble
 {
 
@@ -49,6 +54,8 @@
 
     QDialog *aboutDialog() const;
 
+    QDialog *configDialog() const;
+
     void initialize ();
 
     bool isInitialized () const;
@@ -62,14 +69,20 @@
     virtual qreal zValue() const;
 
  public slots:
+    void readSettings() const;
+    void writeSettings();
     void setPosition( const GeoDataCoordinates &position );
+    void chooseCustomCursor();
 
  private:
     Q_DISABLE_COPY( PositionMarker )
 
     bool           m_isInitialized;
+    bool           m_useCustomCursor;
 
+    mutable Ui::PositionMarkerConfigWidget *ui_configWidget;
     mutable PluginAboutDialog *m_aboutDialog;
+    mutable QDialog *m_configDialog;
 
     ViewportParams     *m_viewport;
     GeoDataCoordinates  m_currentPosition;
@@ -78,6 +91,9 @@
     QPolygonF           m_arrow;
     QPolygonF           m_previousArrow;
     QRegion             m_dirtyRegion;
+    QPixmap             m_customCursor;
+
+    int loadCustomCursor( const QString& filename );
 };
 
 }