bug fix

1. fix showing horizontal scrollbar issue on linux

src/share/wizuihelper.cpp

@@ -141,6 +141,15 @@ void CWizScrollBar::syncWith(QScrollBar* source)
     m_scrollSyncSource = source;
 }
 
+void CWizScrollBar::show()
+{
+    if (maximum() == minimum())
+        return;
+
+    QScrollBar::show();
+    m_timerScrollTimeout.start(1000);
+}
+
 void CWizScrollBar::on_sourceValueChanged(int value)
 {
     setSliderPosition(value);
@@ -161,7 +170,6 @@ void CWizScrollBar::on_valueChanged(int value)
     }
 
     show();
-    m_timerScrollTimeout.start(1000);
 }
 
 void CWizScrollBar::on_scrollTimeout()

src/share/wizuihelper.h

@@ -52,6 +52,7 @@ class CWizScrollBar : public QScrollBar
 public:
     CWizScrollBar(QWidget* parent = 0);
     void syncWith(QScrollBar* source);
+    void show();
 
     virtual QSize sizeHint() const;
     virtual void mouseMoveEvent(QMouseEvent* event);

src/wizdocumentview.cpp

@@ -322,6 +322,17 @@ void CWizDocumentView::resizeEvent(QResizeEvent* event)
     QWidget::resizeEvent(event);
 }
 
+void CWizDocumentView::wheelEvent(QWheelEvent* event)
+{
+    // avoid can't horizonal scroll on linux, show both of scrollbar
+#ifdef Q_WS_X11
+    m_vScroll->show();
+    m_hScroll->show();
+#endif
+
+    QWidget::wheelEvent(event);
+}
+
 QWidget* CWizDocumentView::createWebScroll()
 {
     // outer most border frame

src/wizdocumentview.h

@@ -62,6 +62,7 @@ class CWizDocumentView : public QWidget
     int m_nSizeAdjustedTime;
 
     virtual void resizeEvent(QResizeEvent* event);
+    virtual void wheelEvent(QWheelEvent* event);
 
 private:
     QPointer<QScrollArea> m_webScroll;