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author | Qt Continuous Integration System <qt-info@nokia.com> | 2010-09-28 03:48:37 (GMT) |
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committer | Qt Continuous Integration System <qt-info@nokia.com> | 2010-09-28 03:48:37 (GMT) |
commit | e9d3fa89b4e34090eb9691412ad1caf6f323a006 (patch) | |
tree | 63082d09d321e929415a5410c10a1326fc5c2595 /doc/src/snippets | |
parent | 7b796b4dcdebfba55c4754d241edb334217fc550 (diff) | |
parent | e15561e88b6105f324e816add50bcde9a9a107d8 (diff) | |
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Merge branch '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-1 into 4.7-integration
* '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-1:
Fix compile warnings (unused variables).
Removing libconninet 3rdparty component.
Closes properly the dbus connection in icd backend
Connect/Disconnect requests needs to use the same dbus connection to ICD for the refcounting to work in ICD.
Added my changes to the changelog.
Clarified documentation of loadFinished() signal.
Added a condition to skip obsolete functions during the threadness check.
Doc: call qApp->precessEvents after QSplashScreen::showMessage
Doc: Said that QApplication exits when not able to open X11 display
Doc: maintainance - fixing grammar and spelling
Doc: Added a note to qmake INSTALLS docs
Doc: Fixing overlapping text problem in columns
Doc: Added info on QWidget::render to printing docs
Added default value documentation for two variables.
Diffstat (limited to 'doc/src/snippets')
-rw-r--r-- | doc/src/snippets/widgetprinting.cpp | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/doc/src/snippets/widgetprinting.cpp b/doc/src/snippets/widgetprinting.cpp new file mode 100644 index 0000000..b3d5b7c --- /dev/null +++ b/doc/src/snippets/widgetprinting.cpp @@ -0,0 +1,54 @@ + +#include <QtGui> + +class Window : public QWidget +{ + Q_OBJECT + +public: + Window() { + myWidget = new QPushButton("Print Me"); + connect(myWidget, SIGNAL(clicked()), this, SLOT(print())); + + QVBoxLayout *layout = new QVBoxLayout; + layout->addWidget(myWidget); + setLayout(layout); + } + +private slots: + void print() { + QPrinter printer(QPrinter::HighResolution); + + printer.setOutputFileName("test.pdf"); + +//! [0] + QPainter painter; + painter.begin(&printer); + double xscale = printer.pageRect().width()/double(myWidget->width()); + double yscale = printer.pageRect().height()/double(myWidget->height()); + double scale = qMin(xscale, yscale); + painter.translate(printer.paperRect().x() + printer.pageRect().width()/2, + printer.paperRect().y() + printer.pageRect().height()/2); + painter.scale(scale, scale); + painter.translate(-width()/2, -height()/2); + + myWidget->render(&painter); +//! [0] + } + +private: + QPushButton *myWidget; +}; + +int main(int argv, char **args) +{ + QApplication app(argv, args); + + Window window; + window.show(); + + return app.exec(); +} + +#include "main.moc" + |