pdfviewer example: QScroller makes kinetic flicking work

2 files changed, 3 insertions, 5 deletions

diff --git a/examples/widgets/pdfviewer/mainwindow.cpp b/examples/widgets/pdfviewer/mainwindow.cpp
index 71b35ef..f3fa000 100644
--- a/examples/widgets/pdfviewer/mainwindow.cpp
+++ b/examples/widgets/pdfviewer/mainwindow.cpp
@@ -4,6 +4,7 @@
 #include <QFileDialog>
 #include <QLineEdit>
 #include <QMessageBox>
+#include <QScroller>
 #include <QPdfDocument>
 #include <QtMath>
 #include "sequentialpagewidget.h"
@@ -33,6 +34,8 @@ MainWindow::MainWindow(QWidget *parent)
             this, SLOT(zoomChanged(qreal)));
     connect(m_zoomEdit, SIGNAL(returnPressed()), this, SLOT(zoomEdited()));
     connect(m_pageEdit, SIGNAL(returnPressed()), this, SLOT(on_actionGo_triggered()));
+
+    QScroller::grabGesture(ui->scrollArea);
 }
 
 MainWindow::~MainWindow()
diff --git a/examples/widgets/pdfviewer/sequentialpagewidget.cpp b/examples/widgets/pdfviewer/sequentialpagewidget.cpp
index 2f4e3fb..c85f784 100644
--- a/examples/widgets/pdfviewer/sequentialpagewidget.cpp
+++ b/examples/widgets/pdfviewer/sequentialpagewidget.cpp
@@ -53,11 +53,8 @@ QSizeF SequentialPageWidget::pageSize(int page)
 void SequentialPageWidget::invalidate()
 {
     QSizeF totalSize(0, m_pageSpacing);
-qDebug() << "pageCount" << pageCount();
-
     for (int page = 0; page < pageCount(); ++page) {
         QSizeF size = pageSize(page);
-        qDebug() << "page" << page << "size" << size << "from" << m_pageSizes[page];
         totalSize.setHeight(totalSize.height() + size.height());
         if (size.width() > totalSize.width())
             totalSize.setWidth(size.width());
@@ -103,8 +100,6 @@ void SequentialPageWidget::paintEvent(QPaintEvent * event)
     y += m_pageSpacing;
     m_topPageShowing = page;
 
-qDebug() << y << m_topPageShowing << pageCount();
-
     // Actually render pages
     while (y < event->rect().bottom() && page < pageCount()) {
         QSizeF size = pageSize(page);