tempo-plotter Changeset - 8a60379a2f32 · protofusion repositories

Changeset - 8a60379a2f32

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scrollbar-exp

0 1 0

Hasan Yavuz ÖZDERYA - 9 years ago 2017-04-24 16:14:51
hy@ozderya.net

fix scrollbar glitch at start

1 file changed with 7 insertions and 0 deletions:

src/scrollzoomer.cpp

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src/scrollzoomer.cpp

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@@ @@ -220,48 +220,53 @@ void ScrollZoomer::setCornerWidget( QWid @@
 QWidget *ScrollZoomer::cornerWidget() const
+{
     return d_cornerWidget;
+}
 bool ScrollZoomer::eventFilter( QObject *object, QEvent *event )
+{
     if ( object == canvas() )
+    {
         switch( event->type() )
+        {
             case QEvent::Resize:
+            {
                 int left, top, right, bottom;
                 canvas()->getContentsMargins( &left, &top, &right, &bottom );
                 QRect rect;
                 rect.setSize( static_cast<QResizeEvent *>( event )->size() );
                 rect.adjust( left, top, -right, -bottom );
                 layoutScrollBars( rect );
                 break;
+            }
             case QEvent::Show:
+            {
                 layoutScrollBars( canvas()->contentsRect() );
                 break;
+            }
             case QEvent::ChildRemoved:
+            {
                 const QObject *child =
                     static_cast<QChildEvent *>( event )->child();
                 if ( child == d_cornerWidget )
                     d_cornerWidget = NULL;
                 else if ( child == d_hScrollData->scrollBar )
                     d_hScrollData->scrollBar = NULL;
                 else if ( child == d_vScrollData->scrollBar )
                     d_vScrollData->scrollBar = NULL;
                 break;
+            }
             default:
                 break;
+        }
+    }
     return QwtPlotZoomer::eventFilter( object, event );
+}
 bool ScrollZoomer::needScrollBar( Qt::Orientation orientation ) const
+{
     Qt::ScrollBarPolicy mode;
     double zoomMin, zoomMax, baseMin, baseMax;
@@ @@ -382,48 +387,50 @@ void ScrollZoomer::updateScrollBars() @@
+    }
     if ( showHScrollBar && showVScrollBar )
+    {
         if ( d_cornerWidget == NULL )
+        {
             d_cornerWidget = new QWidget( canvas() );
             d_cornerWidget->setAutoFillBackground( true );
             d_cornerWidget->setPalette( plot()->palette() );
+        }
         d_cornerWidget->show();
+    }
     else
+    {
         if ( d_cornerWidget )
             d_cornerWidget->hide();
+    }
     layoutScrollBars( canvas()->contentsRect() );
     plot()->updateLayout();
+}
 void ScrollZoomer::layoutScrollBars( const QRect &rect )
+{
     qDebug() << "layoutScrollBars" << rect;
     int hPos = xAxis();
     if ( hScrollBarPosition() == OppositeToScale )
         hPos = oppositeAxis( hPos );
     int vPos = yAxis();
     if ( vScrollBarPosition() == OppositeToScale )
         vPos = oppositeAxis( vPos );
     ScrollBar *hScrollBar = horizontalScrollBar();
     ScrollBar *vScrollBar = verticalScrollBar();
     const int hdim = hScrollBar ? hScrollBar->extent() : 0;
     const int vdim = vScrollBar ? vScrollBar->extent() : 0;
     if ( hScrollBar && hScrollBar->isVisible() )
+    {
         int x = rect.x();
         int y = ( hPos == QwtPlot::xTop )
             ? rect.top() : rect.bottom() - hdim + 1;
         int w = rect.width();
         if ( vScrollBar && vScrollBar->isVisible() )
+        {
             if ( vPos == QwtPlot::yLeft )

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