彻底改版2.0

third/qwtdemo/examples/controls/slidertab.cpp

@@ -0,0 +1,37 @@
+#include "slidertab.h"
+#include "sliderbox.h"
+#include <qlayout.h>
+
+SliderTab::SliderTab( QWidget *parent ):
+    QWidget( parent )
+{
+    int i;
+
+    QBoxLayout *hLayout = createLayout( Qt::Vertical );
+    for ( i = 0; i < 4; i++ )
+        hLayout->addWidget( new SliderBox( i ) );
+    hLayout->addStretch();
+
+    QBoxLayout *vLayout = createLayout( Qt::Horizontal );
+    for ( ; i < 7; i++ )
+        vLayout->addWidget( new SliderBox( i ) );
+
+    QBoxLayout *mainLayout = createLayout( Qt::Horizontal, this );
+    mainLayout->addLayout( vLayout );
+    mainLayout->addLayout( hLayout, 10 );
+}
+
+QBoxLayout *SliderTab::createLayout( 
+    Qt::Orientation orientation, QWidget *widget )
+{
+    QBoxLayout *layout =
+        new QBoxLayout( QBoxLayout::LeftToRight, widget );
+
+    if ( orientation == Qt::Vertical )
+        layout->setDirection( QBoxLayout::TopToBottom );
+
+    layout->setSpacing( 20 );
+    layout->setMargin( 0 );
+
+    return layout;
+}