diff options
Diffstat (limited to 'src/gui')
-rw-r--r-- | src/gui/image/qicon.cpp | 6 | ||||
-rw-r--r-- | src/gui/kernel/qplatformtheme.cpp | 16 | ||||
-rw-r--r-- | src/gui/kernel/qplatformtheme.h | 3 |
3 files changed, 24 insertions, 1 deletions
diff --git a/src/gui/image/qicon.cpp b/src/gui/image/qicon.cpp index dce902301c..6b91ead666 100644 --- a/src/gui/image/qicon.cpp +++ b/src/gui/image/qicon.cpp @@ -60,6 +60,7 @@ #include "private/qhexstring_p.h" #include "private/qguiapplication_p.h" +#include "qpa/qplatformtheme.h" #ifndef QT_NO_ICON QT_BEGIN_NAMESPACE @@ -986,7 +987,10 @@ QIcon QIcon::fromTheme(const QString &name, const QIcon &fallback) if (qtIconCache()->contains(name)) { icon = *qtIconCache()->object(name); } else { - QIcon *cachedIcon = new QIcon(new QIconLoaderEngine(name)); + QPlatformTheme * const platformTheme = QGuiApplicationPrivate::platformTheme(); + QIconEngine * const engine = platformTheme ? platformTheme->createIconEngine(name) + : new QIconLoaderEngine(name); + QIcon *cachedIcon = new QIcon(engine); qtIconCache()->insert(name, cachedIcon); icon = *cachedIcon; } diff --git a/src/gui/kernel/qplatformtheme.cpp b/src/gui/kernel/qplatformtheme.cpp index ceb95c51e8..9f5c789a6e 100644 --- a/src/gui/kernel/qplatformtheme.cpp +++ b/src/gui/kernel/qplatformtheme.cpp @@ -46,6 +46,7 @@ #include <QtCore/qfileinfo.h> #include <qpalette.h> #include <qtextformat.h> +#include <qiconloader_p.h> QT_BEGIN_NAMESPACE @@ -272,4 +273,19 @@ QPlatformSystemTrayIcon *QPlatformTheme::createPlatformSystemTrayIcon() const } #endif +/*! + Factory function for the QIconEngine used by QIcon::fromTheme(). By default this + function returns a QIconLoaderEngine, but subclasses can reimplement it to + provide their own. + + It is especially useful to benefit from some platform specific facilities or + optimizations like an inter-process cache in systems mostly built with Qt. + + \since 5.1 +*/ +QIconEngine *QPlatformTheme::createIconEngine(const QString &iconName) const +{ + return new QIconLoaderEngine(iconName); +} + QT_END_NAMESPACE diff --git a/src/gui/kernel/qplatformtheme.h b/src/gui/kernel/qplatformtheme.h index 14e2dac19d..0e95321102 100644 --- a/src/gui/kernel/qplatformtheme.h +++ b/src/gui/kernel/qplatformtheme.h @@ -55,6 +55,7 @@ QT_BEGIN_NAMESPACE +class QIconEngine; class QMenu; class QMenuBar; class QPlatformMenuItem; @@ -270,6 +271,8 @@ public: virtual QPixmap standardPixmap(StandardPixmap sp, const QSizeF &size) const; virtual QPixmap fileIconPixmap(const QFileInfo &fileInfo, const QSizeF &size) const; + virtual QIconEngine *createIconEngine(const QString &iconName) const; + static QVariant defaultThemeHint(ThemeHint hint); }; |