本文整理汇总了C++中QCache::insert方法的典型用法代码示例。如果您正苦于以下问题:C++ QCache::insert方法的具体用法?C++ QCache::insert怎么用?C++ QCache::insert使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QCache
的用法示例。
在下文中一共展示了QCache::insert方法的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: get_file_icon
QIcon get_file_icon(const QString& content_type) {
static QCache<QString, QIcon> cache;
cache.setMaxCost(100);
if (cache.contains(content_type)) return QIcon(*(cache.object(content_type)));
QByteArray ba = content_type.toLocal8Bit();
GIcon* gicon = g_content_type_get_icon(ba.constData());
QStringList tried_names;
if (G_IS_THEMED_ICON(gicon)) {
const gchar * const * names = g_themed_icon_get_names(reinterpret_cast<GThemedIcon*>(gicon));
if (names != 0) {
int i = 0;
while(names[i] != 0) {
QString name = QString::fromLocal8Bit(names[i]);
QIcon r = QIcon::fromTheme(name);
if (r.isNull()) {
tried_names << name;
} else {
cache.insert(content_type, new QIcon(r));
g_object_unref(gicon);
return r;
}
i++;
}
} else {
qDebug() << "get_file_icon: empty or invalid result of g_themed_icon_get_names";
}
} else {
qDebug() << "get_file_icon: gicon is not themed icon";
}
qDebug() << "get_file_icon(" << content_type << "): no valid names" << tried_names << "; returning null icon";
cache.insert(content_type, new QIcon());
g_object_unref(gicon);
return QIcon();
}
示例2: insert
void tst_QCache::insert()
{
QCache<QString, Foo> cache;
Foo *f1 = new Foo;
cache.insert("one", f1, 1);
QVERIFY(cache.contains("one"));
Foo *f2 = new Foo;
cache.insert("two", f2, 2);
QVERIFY(cache.contains("two"));
QCOMPARE(cache.size(), 2);
Foo *f3 = new Foo;
cache.insert("two", f3, 2);
QVERIFY(cache.contains("two"));
QCOMPARE(cache.size(), 2);
QVERIFY(cache["two"] == f3);
QCOMPARE(Foo::count, 2);
/*
If the new item is too big, any item with the same name in
the cache must still be removed, otherwise the application
might get bad results.
*/
Foo *f4 = new Foo;
cache.insert("two", f4, 10000);
QVERIFY(!cache.contains("two"));
QCOMPARE(cache.size(), 1);
QCOMPARE(Foo::count, 1);
}
示例3: take
void tst_QCache::take()
{
QCache<QString, Foo> cache;
QCOMPARE(cache.take(QString()), (Foo*)0);
QCOMPARE(cache.take("alpha"), (Foo*)0);
QVERIFY(cache.isEmpty());
Foo *f1 = new Foo;
cache.insert("alpha", f1, 10);
QCOMPARE(cache.size(), 1);
QVERIFY(cache["alpha"] == f1);
cache.insert("beta", new Foo, 20);
QCOMPARE(cache.size(), 2);
QCOMPARE(cache.take("alpha"), f1);
QCOMPARE(cache.size(), 1);
QCOMPARE(cache.totalCost(), 20);
QCOMPARE(Foo::count, 2);
delete f1;
QCOMPARE(Foo::count, 1);
QCOMPARE(cache.take("alpha"), (Foo*)0);
QCOMPARE(Foo::count, 1);
QCOMPARE(cache.size(), 1);
QCOMPARE(cache.totalCost(), 20);
cache.setMaxCost(1);
QCOMPARE(cache.size(), 0);
QCOMPARE(cache.take("beta"), (Foo*)0);
QCOMPARE(cache.size(), 0);
}
示例4: setMaxCost
void tst_QCache::setMaxCost()
{
QCache<int, Foo> cache;
cache.setMaxCost(2);
cache.insert(1, new Foo);
cache.insert(2, new Foo);
QCOMPARE(cache.totalCost(), 2);
QCOMPARE(Foo::count, 2);
cache.insert(3, new Foo);
QCOMPARE(cache.totalCost(), 2);
QCOMPARE(Foo::count, 2);
cache.setMaxCost(3);
QCOMPARE(cache.totalCost(), 2);
QCOMPARE(Foo::count, 2);
cache.setMaxCost(2);
QCOMPARE(cache.totalCost(), 2);
QCOMPARE(Foo::count, 2);
cache.setMaxCost(1);
QCOMPARE(cache.totalCost(), 1);
QCOMPARE(Foo::count, 1);
cache.setMaxCost(0);
QCOMPARE(cache.totalCost(), 0);
QCOMPARE(Foo::count, 0);
cache.setMaxCost(-1);
QCOMPARE(cache.totalCost(), 0);
QCOMPARE(Foo::count, 0);
}
示例5: totalCost
void tst_QCache::totalCost()
{
QCache<QString, int> cache;
QCOMPARE(cache.totalCost(), 0);
cache.insert("one", new int(1), 0);
QCOMPARE(cache.totalCost(), 0);
cache.insert("two", new int(2), 1);
QCOMPARE(cache.totalCost(), 1);
cache.insert("three", new int(3), 2);
QCOMPARE(cache.totalCost(), 3);
cache.insert("four", new int(4), 10000);
QCOMPARE(cache.totalCost(), 3);
QVERIFY(!cache.contains("four"));
cache.insert("five", new int(5), -5);
QCOMPARE(cache.totalCost(), -2);
cache.insert("six", new int(6), 101);
QCOMPARE(cache.totalCost(), -2);
cache.insert("seven", new int(7), 100);
QCOMPARE(cache.totalCost(), 98);
QCOMPARE(cache.size(), 5);
cache.insert("eight", new int(8), 2);
QCOMPARE(cache.totalCost(), 100);
QCOMPARE(cache.size(), 6);
}
示例6: markIsDefaultFolderCover
void FileSystemItem::markIsDefaultFolderCover(bool isDefault)
{
g_isDefaultFolderCover.insert(coverCacheKey(), new bool(isDefault));
m_useDefaultFolderCover = isDefault;
// Re-create render here to refresh "m_useDefaultFolderCover"
createRenderer();
}
示例7: coverThumbnailLoadFailed
void FileSystemItem::coverThumbnailLoadFailed()
{
QImage *coverImage = new QImage(":/res/image.png");
g_coverCache.insert(coverCacheKey(), coverImage);
setThumbnail(new QImage(*coverImage));
m_coverImage->deleteLater();
m_coverImage = 0;
}
示例8: play
void Audio::play(const QString &filename){
Sound *sound = SoundCache[filename];
if(sound == NULL){
sound = new Sound(filename);
SoundCache.insert(filename, sound);
}else if(sound->isPlaying())
return;
sound->play();
}
示例9: operator_bracket_bracket
void tst_QCache::operator_bracket_bracket()
{
QCache<int, int> cache;
cache.insert(1, new int(2));
QVERIFY(cache[0] == 0);
QVERIFY(cache[1] != 0);
QCOMPARE(*cache[1], 2);
cache.insert(1, new int(4));
QVERIFY(cache[1] != 0);
QCOMPARE(*cache[1], 4);
// check that operator[] doesn't remove the item
QVERIFY(cache[1] != 0);
QCOMPARE(*cache[1], 4);
cache.remove(1);
QVERIFY(cache[1] == 0);
}
示例10: contains
void tst_QCache::contains()
{
QCache<int, int> cache;
QVERIFY(!cache.contains(0));
QVERIFY(!cache.contains(1));
cache.insert(1, new int(1), 1);
QVERIFY(!cache.contains(0));
QVERIFY(cache.contains(1));
cache.remove(0);
cache.remove(1);
QVERIFY(!cache.contains(0));
QVERIFY(!cache.contains(1));
cache.insert(1, new int(1), 1);
QVERIFY(!cache.contains(0));
QVERIFY(cache.contains(1));
cache.clear();
QVERIFY(!cache.contains(0));
QVERIFY(!cache.contains(1));
}
示例11: coverThumbnailLoaded
void FileSystemItem::coverThumbnailLoaded()
{
QImage thumbnail = m_coverImage->thumbnail();
QImage *coverImage = 0;
if (!thumbnail.isNull()) {
coverImage = new QImage(m_coverImage->thumbnail());
} else {
coverImage = new QImage(":/res/image.png");
}
g_coverCache.insert(coverCacheKey(), coverImage);
setThumbnail(new QImage(*coverImage));
m_coverImage->deleteLater();
m_coverImage = 0;
}
示例12: axioms_on_key_type
void tst_QCache::axioms_on_key_type()
{
QCache<KeyType, ValueType> foo;
foo.setMaxCost(1);
foo.clear();
foo.insert(KeyType(123), new ValueType(123));
foo.object(KeyType(123));
foo.contains(KeyType(456));
foo[KeyType(456)];
foo.remove(KeyType(456));
foo.remove(KeyType(123));
foo.take(KeyType(789));
// If this fails, contact the maintaner
QVERIFY(sizeof(QHash<int, int>) == sizeof(void *));
}
示例13: remove
void tst_QCache::remove()
{
QCache<QString, Foo> cache;
cache.remove(QString());
cache.remove("alpha");
QVERIFY(cache.isEmpty());
cache.insert("alpha", new Foo, 10);
QCOMPARE(cache.size(), 1);
cache.insert("beta", new Foo, 20);
QCOMPARE(cache.size(), 2);
for (int i = 0; i < 10; ++i) {
cache.remove("alpha");
QCOMPARE(cache.size(), 1);
QCOMPARE(cache.totalCost(), 20);
}
cache.setMaxCost(1);
QCOMPARE(cache.size(), 0);
cache.remove("beta");
QCOMPARE(cache.size(), 0);
}
示例14: insertBlurTextureInfo
void QGLBlurTextureCache::insertBlurTextureInfo(const QPixmap &pixmap, QGLBlurTextureInfo *info)
{
static bool hookAdded = false;
if (!hookAdded) {
QImagePixmapCleanupHooks::instance()->addPixmapDataDestructionHook(pixmapDestroyed);
QImagePixmapCleanupHooks::instance()->addPixmapDataModificationHook(pixmapDestroyed);
hookAdded = true;
}
QImagePixmapCleanupHooks::enableCleanupHooks(pixmap);
cache.insert(pixmap.cacheKey(), info, pixmap.width() * pixmap.height());
if (timerId)
killTimer(timerId);
timerId = startTimer(8000);
}
示例15: sCode
QPixmap * getPixmapForCountryCode( const QString & countryCode )
{
if( countryCode.isEmpty() )
return NULL;
QString sCode( countryCode.toLower() );
QPixmap * pm = NULL;
pm = pPixmapCache->object(sCode);
if( !pm )
{
QString sFlag( KStandardDirs::locate("locale", sFlagTemplate.arg(sCode)) );
if( !sFlag.isEmpty() )
{
pm = new QPixmap(sFlag);
pPixmapCache->insert( sCode, pm );
}
}
return pm;
}