diff options
Diffstat (limited to 'doc/src/snippets/code')
-rw-r--r-- | doc/src/snippets/code/src_gui_painting_qpen.cpp | 4 | ||||
-rw-r--r-- | doc/src/snippets/code/src_gui_qproxystyle.cpp | 45 | ||||
-rw-r--r-- | doc/src/snippets/code/src_network_access_qnetworkdiskcache.cpp | 24 |
3 files changed, 71 insertions, 2 deletions
diff --git a/doc/src/snippets/code/src_gui_painting_qpen.cpp b/doc/src/snippets/code/src_gui_painting_qpen.cpp index 538fa09..b5995f7 100644 --- a/doc/src/snippets/code/src_gui_painting_qpen.cpp +++ b/doc/src/snippets/code/src_gui_painting_qpen.cpp @@ -25,7 +25,7 @@ QVector<qreal> dashes; qreal space = 4; dashes << 1 << space << 3 << space << 9 << space - << 27 << space << 9; + << 27 << space << 9 << space; pen.setDashPattern(dashes); //! [2] @@ -36,6 +36,6 @@ QPen pen; QVector<qreal> dashes; qreal space = 4; dashes << 1 << space << 3 << space << 9 << space - << 27 << space << 9; + << 27 << space << 9 << space; pen.setDashPattern(dashes); //! [3] diff --git a/doc/src/snippets/code/src_gui_qproxystyle.cpp b/doc/src/snippets/code/src_gui_qproxystyle.cpp new file mode 100644 index 0000000..46a2a5f --- /dev/null +++ b/doc/src/snippets/code/src_gui_qproxystyle.cpp @@ -0,0 +1,45 @@ +//! [0] +class MyProxyStyle : public QProxyStyle +{ +public: + + int styleHint(StyleHint hint, const QStyleOption *option = 0, + const QWidget *widget = 0, QStyleHintReturn *returnData = 0) const + { + if (hint == QStyle::SH_UnderlineShortcut) + return 1; + return QProxyStyle::styleHint(hint, option, widget, returnData); + } +}; + +//! [0] + +//! [1] +#include "textedit.h" +#include <QApplication> +#include <QProxyStyle> + +class MyProxyStyle : public QProxyStyle +{ + public: + int styleHint(StyleHint hint, const QStyleOption *option = 0, + const QWidget *widget = 0, QStyleHintReturn *returnData = 0) const + { + if (hint == QStyle::SH_UnderlineShortcut) + return 0; + return QProxyStyle::styleHint(hint, option, widget, returnData); + } +}; + +int main(int argc, char **argv) +{ + Q_INIT_RESOURCE(textedit); + + QApplication a(argc, argv); + a.setStyle(new MyProxyStyle); + TextEdit mw; + mw.resize(700, 800); + mw.show(); + //... +} +//! [1] diff --git a/doc/src/snippets/code/src_network_access_qnetworkdiskcache.cpp b/doc/src/snippets/code/src_network_access_qnetworkdiskcache.cpp new file mode 100644 index 0000000..acd3938 --- /dev/null +++ b/doc/src/snippets/code/src_network_access_qnetworkdiskcache.cpp @@ -0,0 +1,24 @@ +//! [0] +QNetworkAccessManager *manager = new QNetworkAccessManager(this); +QNetworkDiskCache *diskCache = new QNetworkDiskCache(this); +diskCache->setCacheDirectory("cacheDir"); +manager->setCache(diskCache); +//! [0] + +//! [1] +// do a normal request (preferred from network, as this is the default) +QNetworkRequest request(QUrl(QString("http://www.qtsoftware.com"))); +manager->get(request); + +// do a request preferred from cache +QNetworkRequest request2(QUrl(QString("http://www.qtsoftware.com"))); +request2.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::PreferCache); +manager->get(request2); +//! [1] + +//! [2] +void replyFinished(QNetworkReply *reply) { + QVariant fromCache = reply->attribute(QNetworkRequest::SourceIsFromCacheAttribute); + qDebug() << "page from cache?" << fromCache.toBool(); +} +//! [2] |