Pixmap controller implemented

QGraphicsPixmapItem added


git-svn-id: https://svn.code.sf.net/p/qlscribe/svn/trunk@6 cac9541e-1b8d-4bfa-827e-589bba606050

src/qdialogpixmap.cpp

@@ -63,7 +63,9 @@ bool QDialogPixmap::exec( QGraphicsItem *graphicsItem )
    m_item = new QGraphicsPixmapItem;
 
    m_item->setPos( item->pos() );
+   m_item->setOffset( item->offset() );
    m_item->setPixmap( item->pixmap() );
+   m_item->setData( 0, item->data( 0 ) );
 
    scene.addItem( m_item );
 
@@ -79,19 +81,38 @@ bool QDialogPixmap::exec( QGraphicsItem *graphicsItem )
    if( QDialog::exec() == Rejected ) return false;
 
    item->setPos( m_item->pos() );
+   item->setOffset( m_item->offset() );
    item->setPixmap( m_item->pixmap() );
+   item->setData( 0, m_item->data( 0 ) );
 
    return true;
 }
 
 void QDialogPixmap::onLoadImage()
 {
+   QString filter( tr("Images ( ") );
    QList<QByteArray> list = QImageReader::supportedImageFormats();
-   QString msg;
    foreach( QByteArray arr, list ) {
-      msg += arr.data();
+       filter += QString( "*." ) + arr.data() + " ";
    }
-   QMessageBox::warning( this, "Formats", msg );
+   filter += tr( ")\nAll Files (*)" );
+   QString fileName = QFileDialog::getOpenFileName( this, "Load image:", QString(), filter );
+   if( fileName.isNull() )
+      return;
+
+   QPixmap pixmap( fileName );
+   if( pixmap.isNull() ) {
+      QMessageBox::warning( this,
+                            "Warning",
+                            tr( "Cannot create image from file: " ) + fileName );
+      return;
+   }
+   m_item->setPixmap( pixmap );
+   m_item->setData( 0, fileName );
+   m_item->setOffset( -QPointF( pixmap.size().height(), pixmap.size().width()  ) / 2.0 );
+
+   m_ui->lineEdit->setText( fileName );
+   m_ui->buttonBox->setStandardButtons( m_ui->buttonBox->standardButtons() | QDialogButtonBox::Ok );
 }
 
 void QDialogPixmap::posChanged()

src/qdialogpixmap.ui

@@ -98,7 +98,11 @@
              </widget>
             </item>
             <item row="0" column="1" >
-             <widget class="QLineEdit" name="lineEdit" />
+             <widget class="QLineEdit" name="lineEdit" >
+              <property name="readOnly" >
+               <bool>true</bool>
+              </property>
+             </widget>
             </item>
             <item row="1" column="1" >
              <widget class="QPushButton" name="btnImage" >
@@ -139,7 +143,7 @@
         <enum>Qt::Horizontal</enum>
        </property>
        <property name="standardButtons" >
-        <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+        <set>QDialogButtonBox::Cancel</set>
        </property>
       </widget>
      </item>

src/qshapecontrollers.cpp

@@ -16,10 +16,11 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 
-    $Id:$ */
+    $Id$ */
 
 #include "qshapecontrollers.h"
 #include "qdialogtext.h"
+#include "qdialogpixmap.h"
 
 #include <QXmlStreamWriter>
 #include <QXmlStreamReader>
@@ -89,3 +90,67 @@ void QShapeControllerText::readData( const QString &element,
       return;
    }
 }
+
+RegisterController< QShapeControllerPixmap > regControllerPixmap;
+
+QString QShapeControllerPixmap::name() const
+{
+   return "image";
+}
+
+QString QShapeControllerPixmap::menuName() const
+{
+   return QObject::tr( "Image", "QShapeControllerPixmap name" );
+}
+
+QGraphicsItem *QShapeControllerPixmap::create() const
+{
+   return new QGraphicsPixmapItem;
+}
+
+QItemDialog *QShapeControllerPixmap::createDialog( QWidget *parent ) const
+{
+   return new QDialogPixmap( parent );
+}
+
+void QShapeControllerPixmap::writeData( QXmlStreamWriter &writer, const QGraphicsItem *item ) const
+{
+   const QGraphicsPixmapItem *pixmapItem
+         = static_cast< const QGraphicsPixmapItem * >( item );
+
+   writer.writeEmptyElement( "pos" );
+   writer.writeAttribute(
+         QXmlStreamAttribute( "x", QString::number( pixmapItem->pos().x() ) ) );
+
+   writer.writeAttribute(
+         QXmlStreamAttribute( "y", QString::number( pixmapItem->pos().y() ) ) );
+
+   writer.writeTextElement( "image", pixmapItem->data( 0 ).toString() );
+}
+
+
+void QShapeControllerPixmap::readData( const QString &element,
+                                     const QXmlStreamAttributes &attrs,
+                                     const QString &data,
+                                     QGraphicsItem *item ) const
+{
+   QGraphicsPixmapItem *pixmapItem = static_cast< QGraphicsPixmapItem * >( item );
+
+   if( element == "pos" ) {
+      pixmapItem->setPos( attrs.value( "x" ).toString().toDouble(),
+                          attrs.value( "y" ).toString().toDouble() );
+      return;
+   }
+
+   if( element == "image" ) {
+      pixmapItem->setData( 0, data );
+      QPixmap pixmap( data );
+      if( pixmap.isNull() ) {
+         throw QString( "QShapeControllerPixmap: image loading from \"" ) +
+               data + "\" failed";
+      }
+      pixmapItem->setPixmap( pixmap );
+      pixmapItem->setOffset( -QPointF( pixmap.size().height(), pixmap.size().width()  ) / 2.0 );
+      return;
+   }
+}

src/qshapecontrollers.h

@@ -16,7 +16,7 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 
-    $Id:$ */
+    $Id$ */
 
 #ifndef QSHAPECONTROLLERS_H
 #define QSHAPECONTROLLERS_H
@@ -24,6 +24,7 @@
 #include "qshapefactory.h"
 
 #include <QGraphicsSimpleTextItem>
+#include <QGraphicsPixmapItem>
 
 class QShapeControllerText : public QShapeController {
 public:
@@ -43,4 +44,22 @@ protected:
                           QGraphicsItem *item ) const;
 };
 
+class QShapeControllerPixmap : public QShapeController {
+public:
+   enum { Type = QGraphicsPixmapItem::Type };
+
+   virtual QString name() const;
+   virtual QString menuName() const;
+
+   virtual QGraphicsItem *create() const;
+
+protected:
+   virtual QItemDialog *createDialog( QWidget *parent ) const;
+   virtual void writeData( QXmlStreamWriter &writer, const QGraphicsItem *item ) const;
+   virtual void readData( const QString &element,
+                          const QXmlStreamAttributes &attrs,
+                          const QString &data,
+                          QGraphicsItem *item ) const;
+};
+
 #endif // QSHAPECONTROLLERS_H