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author | Lars Knoll <lars.knoll@nokia.com> | 2009-03-23 09:34:13 (GMT) |
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committer | Simon Hausmann <simon.hausmann@nokia.com> | 2009-03-23 09:34:13 (GMT) |
commit | 67ad0519fd165acee4a4d2a94fa502e9e4847bd0 (patch) | |
tree | 1dbf50b3dff8d5ca7e9344733968c72704eb15ff /doc/src/snippets/code/src_qt3support_widgets_q3scrollview.cpp | |
download | Qt-67ad0519fd165acee4a4d2a94fa502e9e4847bd0.zip Qt-67ad0519fd165acee4a4d2a94fa502e9e4847bd0.tar.gz Qt-67ad0519fd165acee4a4d2a94fa502e9e4847bd0.tar.bz2 |
Long live Qt!
Diffstat (limited to 'doc/src/snippets/code/src_qt3support_widgets_q3scrollview.cpp')
-rw-r--r-- | doc/src/snippets/code/src_qt3support_widgets_q3scrollview.cpp | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/doc/src/snippets/code/src_qt3support_widgets_q3scrollview.cpp b/doc/src/snippets/code/src_qt3support_widgets_q3scrollview.cpp new file mode 100644 index 0000000..58d5acf --- /dev/null +++ b/doc/src/snippets/code/src_qt3support_widgets_q3scrollview.cpp @@ -0,0 +1,61 @@ +//! [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] |