Fix flickering when using tools

1 files changed, 2 insertions, 0 deletions

diff --git a/noncore/graphics/drawpad/drawpadcanvas.cpp b/noncore/graphics/drawpad/drawpadcanvas.cpp
index 3ddd7b7..58192d3 100644
--- a/noncore/graphics/drawpad/drawpadcanvas.cpp
+++ b/noncore/graphics/drawpad/drawpadcanvas.cpp
@@ -140,48 +140,50 @@ bool DrawPadCanvasXmlHandler::characters(const QString& ch)
             }
 
             QByteArray byteArrayUnzipped(m_dataLenght);
             ::uncompress((uchar*)byteArrayUnzipped.data(), &m_dataLenght, (uchar*)byteArray.data(), byteArray.size());
 
             image.loadFromData((const uchar*)byteArrayUnzipped.data(), m_dataLenght, m_dataFormat);
         } else {
             image.loadFromData((const uchar*)byteArray.data(), m_dataLenght, m_dataFormat);
         }
 
         QPixmap* pixmap = new QPixmap(image.width(), image.height());
         pixmap->convertFromImage(image);
         m_pixmaps.append(pixmap);
     }
 
     return true;
 }
 
 DrawPadCanvas::DrawPadCanvas(DrawPad* drawPad, QWidget* parent, const char* name)
     : QScrollView(parent, name)
 {
     m_pDrawPad = drawPad;
     m_pages.setAutoDelete(true);
     m_pageBackups.setAutoDelete(true);
+
+    viewport()->setBackgroundMode(QWidget::NoBackground);
 }
 
 DrawPadCanvas::~DrawPadCanvas()
 {
 }
 
 void DrawPadCanvas::load(QIODevice* ioDevice)
 {
     QTextStream textStream(ioDevice);
     textStream.setCodec(QTextCodec::codecForName("UTF-8"));
 
     QXmlInputSource xmlInputSource(textStream);
     QXmlSimpleReader xmlSimpleReader;
     DrawPadCanvasXmlHandler drawPadCanvasXmlHandler;
 
     xmlSimpleReader.setContentHandler(&drawPadCanvasXmlHandler);
     xmlSimpleReader.parse(xmlInputSource);
 
     m_pages = drawPadCanvasXmlHandler.pixmaps();
 
     if (m_pages.isEmpty()) {
         m_pages.append(new QPixmap(contentsRect().size()));
         m_pages.current()->fill(Qt::white);
     }