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//! [0]
Q3ScrollView* sv = new Q3ScrollView(...);
QWidget *widget = new QWidget(sv->viewport());
QVBoxLayout *layout = new QVBoxLayout(widget);
addChild(widget);
//! [0]
//! [1]
QLabel* child1 = new QLabel("CHILD", widget);
QLabel* child2 = new QLabel("CHILD", widget);
QLabel* child3 = new QLabel("CHILD", widget);
layout->addWidget(child1);
layout->addWidget(child2);
layout->addWidget(child3);
...
//! [1]
//! [2]
Q3ScrollView* sv = new Q3ScrollView(...);
QLabel* child1 = new QLabel("CHILD", sv->viewport());
sv->addChild(child1);
QLabel* child2 = new QLabel("CHILD", sv->viewport());
sv->addChild(child2);
QLabel* child3 = new QLabel("CHILD", sv->viewport());
sv->addChild(child3);
//! [2]
//! [3]
Q3ScrollView* sv = new Q3ScrollView(...);
sv->enableClipper(true);
QLabel* child1 = new QLabel("CHILD", sv->viewport());
sv->addChild(child1);
QLabel* child2 = new QLabel("CHILD", sv->viewport());
sv->addChild(child2);
QLabel* child3 = new QLabel("CHILD", sv->viewport());
sv->addChild(child3);
//! [3]
//! [4]
{
// Fill a 40000 by 50000 rectangle at (100000,150000)
// Calculate the coordinates...
int x1 = 100000, y1 = 150000;
int x2 = x1+40000-1, y2 = y1+50000-1;
// Clip the coordinates so X/Windows will not have problems...
if (x1 < clipx) x1=clipx;
if (y1 < clipy) y1=clipy;
if (x2 > clipx+clipw-1) x2=clipx+clipw-1;
if (y2 > clipy+cliph-1) y2=clipy+cliph-1;
// Paint using the small coordinates...
if (x2 >= x1 && y2 >= y1)
p->fillRect(x1, y1, x2-x1+1, y2-y1+1, red);
}
//! [4]
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