qicon.cpp File Reference

#include "qicon.h"
#include "qicon_p.h"
#include "qiconengine.h"
#include "qiconengineplugin.h"
#include "private/qfactoryloader_p.h"
#include "private/qiconloader_p.h"
#include "qapplication.h"
#include "qstyleoption.h"
#include "qpainter.h"
#include "qfileinfo.h"
#include "qstyle.h"
#include "qpixmapcache.h"
#include "qvariant.h"
#include "qcache.h"
#include "qdebug.h"
#include "private/qguiplatformplugin_p.h"
#include <private/qt_mac_p.h>
#include <private/qt_cocoa_helpers_mac_p.h>
#include "private/qt_x11_p.h"
#include "private/qkde_p.h"
#include "private/qstylehelper_p.h"

Go to the source code of this file.

Typedefs
typedef QCache< QString, QIcon >	IconCache

Functions
static int	area (const QSize &s)
static QPixmapIconEngineEntry *	bestSizeMatch (const QSize &size, QPixmapIconEngineEntry *pa, QPixmapIconEngineEntry *pb)
QDataStream &	operator<< (QDataStream &s, const QIcon &icon)
QDataStream &	operator>> (QDataStream &s, QIcon &icon)
	Q_GLOBAL_STATIC_WITH_ARGS (QFactoryLoader, loader,(QIconEngineFactoryInterface_iid, QLatin1String("/iconengines"), Qt::CaseInsensitive)) Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader
	QLatin1String ("/iconengines")
static void	qt_cleanup_icon_cache ()

Variables
	loaderV2
	QIconEngineFactoryInterfaceV2_iid
static QBasicAtomicInt	serialNumCounter = Q_BASIC_ATOMIC_INITIALIZER(1)

Typedef Documentation

IconCache

typedef QCache<QString, QIcon> IconCache

Definition at line 116 of file qicon.cpp.

Function Documentation

area()

static int area ( const QSize &  s )

inlinestatic

Definition at line 155 of file qicon.cpp.

Referenced by QTableViewPrivate::accessibleTable2Index(), bestSizeMatch(), QPrintPreviewWidgetPrivate::calcCurrentPage(), QAbstractItemView::doAutoScroll(), QWindowsXPStylePrivate::drawBackgroundDirectly(), QWindowsXPStylePrivate::drawBackgroundThruNativeBuffer(), QTreeView::drawTree(), QTabBar::event(), QMdiArea::eventFilter(), QBspTree::firstChildIndex(), QRasterWindowSurface::flush(), QListViewPrivate::horizontalScrollToValue(), QBspTree::init(), QToolBar::isAreaAllowed(), QDockWidget::isAreaAllowed(), QDirectFBWindowSurface::key(), QMdiSubWindow::mdiArea(), mdiAreaNavigate(), mdiAreaParent(), QDeclarativePaintedItem::paint(), QFbWindowSurface::paintDevice(), QWSMemorySurface::paintDevice(), qt_mainwindow_layout(), QtWndProc(), QWidgetBackingStore::removeDirtyWidget(), QBspTree::removeLeaf(), QBBRasterWindowSurface::scroll(), QTreeView::scrollTo(), QMainWindowLayout::setCorner(), QToolBarLayout::setGeometry(), QDeclarativePaintedItem::setPixelCacheSize(), QListModeViewBase::setRowCount(), QAbstractItemViewPrivate::shouldAutoScroll(), QDirectFBScreen::surfaceForWidget(), QVGEGLWindowSurfaceDirect::surfaceSize(), QXIMInputContext::update(), QRegionPrivate::updateInnerRect(), QListViewPrivate::verticalScrollToValue(), and QCommonListViewBase::~QCommonListViewBase().

{ return s.width() * s.height(); }

bestSizeMatch()

static QPixmapIconEngineEntry* bestSizeMatch ( const QSize &  size, QPixmapIconEngineEntry *  pa, QPixmapIconEngineEntry *  pb  )

static

Definition at line 158 of file qicon.cpp.

Referenced by QPixmapIconEngine::tryMatch().

{
    int s = area(size);
    if (pa->size == QSize() && pa->pixmap.isNull()) {
        pa->pixmap = QPixmap(pa->fileName);
        pa->size = pa->pixmap.size();
    }
    int a = area(pa->size);
    if (pb->size == QSize() && pb->pixmap.isNull()) {
        pb->pixmap = QPixmap(pb->fileName);
        pb->size = pb->pixmap.size();
    }
    int b = area(pb->size);
    int res = a;
    if (qMin(a,b) >= s)
        res = qMin(a,b);
    else
        res = qMax(a,b);
    if (res == a)
        return pa;
    return pb;
}

operator<<()

QDataStream& operator<<	(	QDataStream &	s,
		const QIcon &	icon
	)

Definition at line 1096 of file qicon.cpp.

Referenced by QIcon::data_ptr().

{
    if (s.version() >= QDataStream::Qt_4_3) {
        if (icon.isNull()) {
            s << QString();
        } else {
            if (icon.d->engine_version > 1) {
                QIconEngineV2 *engine = static_cast<QIconEngineV2 *>(icon.d->engine);
                s << engine->key();
                engine->write(s);
            } else {
                // not really supported
                qWarning("QIcon: Cannot stream QIconEngine. Use QIconEngineV2 instead.");
            }
        }
    } else if (s.version() == QDataStream::Qt_4_2) {
        if (icon.isNull()) {
            s << 0;
        } else {
            QPixmapIconEngine *engine = static_cast<QPixmapIconEngine *>(icon.d->engine);
            int num_entries = engine->pixmaps.size();
            s << num_entries;
            for (int i=0; i < num_entries; ++i) {
                s << engine->pixmaps.at(i).pixmap;
                s << engine->pixmaps.at(i).fileName;
                s << engine->pixmaps.at(i).size;
                s << (uint) engine->pixmaps.at(i).mode;
                s << (uint) engine->pixmaps.at(i).state;
            }
        }
    } else {
        s << QPixmap(icon.pixmap(22,22));
    }
    return s;
}

operator>>()

QDataStream& operator>>	(	QDataStream &	s,
		QIcon &	icon
	)

Definition at line 1144 of file qicon.cpp.

Referenced by QIcon::data_ptr().

{
    if (s.version() >= QDataStream::Qt_4_3) {
        icon = QIcon();
        QString key;
        s >> key;
        if (key == QLatin1String("QPixmapIconEngine")) {
            icon.d = new QIconPrivate;
            QIconEngineV2 *engine = new QPixmapIconEngine;
            icon.d->engine = engine;
            engine->read(s);
        } else if (key == QLatin1String("QIconLoaderEngine")) {
            icon.d = new QIconPrivate;
            QIconEngineV2 *engine = new QIconLoaderEngine();
            icon.d->engine = engine;
            engine->read(s);
#if !defined (QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS)
        } else if (QIconEngineFactoryInterfaceV2 *factory = qobject_cast<QIconEngineFactoryInterfaceV2*>(loaderV2()->instance(key))) {
            if (QIconEngineV2 *engine= factory->create()) {
                icon.d = new QIconPrivate;
                icon.d->engine = engine;
                engine->read(s);
            }
#endif
        }
    } else if (s.version() == QDataStream::Qt_4_2) {
        icon = QIcon();
        int num_entries;
        QPixmap pm;
        QString fileName;
        QSize sz;
        uint mode;
        uint state;

        s >> num_entries;
        for (int i=0; i < num_entries; ++i) {
            s >> pm;
            s >> fileName;
            s >> sz;
            s >> mode;
            s >> state;
            if (pm.isNull())
                icon.addFile(fileName, sz, QIcon::Mode(mode), QIcon::State(state));
            else
                icon.addPixmap(pm, QIcon::Mode(mode), QIcon::State(state));
        }
    } else {
        QPixmap pm;
        s >> pm;
        icon.addPixmap(pm);
    }
    return s;
}

Q_GLOBAL_STATIC_WITH_ARGS()

Q_GLOBAL_STATIC_WITH_ARGS	(	QFactoryLoader	,
		loader	,
		(QIconEngineFactoryInterface_iid, QLatin1String("/iconengines"), Qt::CaseInsensitive)
	)

Referenced by QPixmapIconEngine::virtual_hook().

QLatin1String()

QLatin1String

(

"/iconengines"

)

Referenced by QPixmapIconEngine::key(), operator>>(), and QPixmapIconEngine::virtual_hook().

qt_cleanup_icon_cache()

static void qt_cleanup_icon_cache ( )

static

Definition at line 119 of file qicon.cpp.

{
    qtIconCache()->clear();
}

Variable Documentation

loaderV2

loaderV2

Definition at line 451 of file qicon.cpp.

Referenced by QIcon::addFile(), and operator>>().

QIconEngineFactoryInterfaceV2_iid

QIconEngineFactoryInterfaceV2_iid

Definition at line 451 of file qicon.cpp.

Referenced by QIconLoader::ensureInitialized().

serialNumCounter

QBasicAtomicInt serialNumCounter = Q_BASIC_ATOMIC_INITIALIZER(1)

static

Definition at line 113 of file qicon.cpp.