diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/corelib/codecs/qtextcodec_symbian.cpp | 6 | ||||
-rw-r--r-- | src/declarative/graphicsitems/qdeclarativeloader.cpp | 107 | ||||
-rw-r--r-- | src/declarative/qml/qdeclarativeengine.cpp | 15 | ||||
-rw-r--r-- | src/declarative/qml/qdeclarativeengine_p.h | 2 | ||||
-rw-r--r-- | src/declarative/qml/qdeclarativeimageprovider.cpp | 4 | ||||
-rw-r--r-- | src/gui/image/qpixmap.cpp | 3 | ||||
-rw-r--r-- | src/gui/kernel/qclipboard_x11.cpp | 3 | ||||
-rw-r--r-- | src/gui/kernel/qwidget_s60.cpp | 26 | ||||
-rw-r--r-- | src/opengl/qpixmapdata_gl.cpp | 6 |
9 files changed, 104 insertions, 68 deletions
diff --git a/src/corelib/codecs/qtextcodec_symbian.cpp b/src/corelib/codecs/qtextcodec_symbian.cpp index e4db9d7..20e0cfc 100644 --- a/src/corelib/codecs/qtextcodec_symbian.cpp +++ b/src/corelib/codecs/qtextcodec_symbian.cpp @@ -53,8 +53,10 @@ struct QSymbianCodecInitData { const char *aliases; }; -/* This table contains the known Symbian codecs aliases. It is ordered by charsetId. - It is required as symbian does not provide have aliases. +/* This table contains the known Symbian codecs aliases. + It is required because symbian does not provide aliases for codecs. + It is also faster to have a name here than asking the system. + It is ordered by charsetId to allow binary search lookup */ static const QSymbianCodecInitData codecsData[] = { { /*268439485*/ KCharacterSetIdentifierShiftJis, 17, "Shift_JIS\0MS_Kanji\0csShiftJIS\0MS_KANJI\0SJIS\0" }, diff --git a/src/declarative/graphicsitems/qdeclarativeloader.cpp b/src/declarative/graphicsitems/qdeclarativeloader.cpp index 4c6268f..2fde4c8 100644 --- a/src/declarative/graphicsitems/qdeclarativeloader.cpp +++ b/src/declarative/graphicsitems/qdeclarativeloader.cpp @@ -115,53 +115,76 @@ void QDeclarativeLoaderPrivate::initResize() \brief The Loader item allows dynamically loading an Item-based subtree from a URL or Component. - The Loader element instantiates an item from a component. The component to - be instantiated may be specified directly by the \l sourceComponent - property, or loaded from a URL via the \l source property. + Loader is used to dynamically load visual QML components. It can load a + QML file (using the \l source property) or a \l Component object (using + the \l sourceComponent property). It is useful for delaying the creation + of a component until it is required: for example, when a component should + be created on demand, or when a component should not be created + unnecessarily for performance reasons. - Loader can be used to delay the creation of a component until it - is required. For example, this loads "Page1.qml" as a component - into the Loader element, when the \l MouseArea is clicked: + Here is a Loader that loads "Page1.qml" as a component when the + \l MouseArea is clicked: - \code - import Qt 4.7 + \snippet doc/src/snippets/declarative/loader/simple.qml 0 - Item { - width: 200; height: 200 + The loaded item can be accessed using the \l item property. - MouseArea { - anchors.fill: parent - onClicked: pageLoader.source = "Page1.qml" - } + Loader is like any other visual item and must be positioned and sized + accordingly to become visible. Once the component is loaded, the Loader + is automatically resized to the size of the component. - Loader { id: pageLoader } - } - \endcode + If the \l source or \l sourceComponent changes, any previously instantiated + items are destroyed. Setting \l source to an empty string or setting + \l sourceComponent to \c undefined destroys the currently loaded item, + freeing resources and leaving the Loader empty. + + + \section2 Receiving signals from loaded items - Note that Loader is like any other graphical Item and needs to be positioned - and sized accordingly to become visible. When a component is loaded, the - Loader is automatically resized to the size of the component. + Any signals emitted from the loaded item can be received using the + \l Connections element. For example, the following \c application.qml + loads \c MyItem.qml, and is able to receive the \c message signal from + the loaded item through a \l Connections object: - If the Loader source is changed, any previous items instantiated - will be destroyed. Setting \l source to an empty string, or setting - sourceComponent to \e undefined - will destroy the currently instantiated items, freeing resources - and leaving the Loader empty. For example: + \table + \row + \o application.qml + \o MyItem.qml + \row + \o \snippet doc/src/snippets/declarative/loader/connections.qml 0 + \o \snippet doc/src/snippets/declarative/loader/MyItem.qml 0 + \endtable - \code - pageLoader.source = "" - \endcode + Alternatively, since \c MyItem.qml is loaded within the scope of the + Loader, it could also directly call any function defined in the Loader or + its parent \l Item. - or - \code - pageLoader.sourceComponent = undefined - \endcode + \section2 Focus and key events - unloads "Page1.qml" and frees resources consumed by it. + Loader is a focus scope. Its \l {Item::}{focus} property must be set to + \c true for any of its children to get the \e {active focus}. (See + \l{qmlfocus#Acquiring Focus and Focus Scopes}{the focus documentation page} + for more details.) Any key events received in the loaded item should likely + also be \l {KeyEvent::}{accepted} so they are not propagated to the Loader. - Note that Loader is a focus scope. Its \c focus property must be set to \c true for any of its children - to get the \e {active focus} (see \l{qmlfocus#Acquiring Focus and Focus Scopes}{the focus documentation page} for more details). + For example, the following \c application.qml loads \c KeyReader.qml when + the \l MouseArea is clicked. Notice the \l {Item::}{focus} property is + set to \c true for the Loader as well as the \l Item in the dynamically + loaded object: + + \table + \row + \o application.qml + \o KeyReader.qml + \row + \o \snippet doc/src/snippets/declarative/loader/focus.qml 0 + \o \snippet doc/src/snippets/declarative/loader/KeyReader.qml 0 + \endtable + + Once \c KeyReader.qml is loaded, it accepts key events and sets + \c event.accepted to \c true so that the event is not propagated to the + parent \l Rectangle. \sa {dynamic-object-creation}{Dynamic Object Creation} */ @@ -198,8 +221,13 @@ QDeclarativeLoader::~QDeclarativeLoader() /*! \qmlproperty url Loader::source - This property holds the URL of the QML component to - instantiate. + This property holds the URL of the QML component to instantiate. + + Note the QML component must be an \l Item-based component. Loader cannot + load non-visual components. + + To unload the currently loaded item, set this property to an empty string, + or set \l sourceComponent to \c undefined. \sa sourceComponent, status, progress */ @@ -258,7 +286,8 @@ void QDeclarativeLoader::setSource(const QUrl &url) } \endqml - Note this value must hold a \l Component object; it cannot be a \l Item. + To unload the currently loaded item, set this property to an empty string, + or set \l sourceComponent to \c undefined. \sa source, progress */ @@ -477,7 +506,7 @@ void QDeclarativeLoaderPrivate::_q_updateSize(bool loaderGeometryChanged) /*! \qmlproperty Item Loader::item - This property holds the top-level item created from source. + This property holds the top-level item that is currently loaded. */ QGraphicsObject *QDeclarativeLoader::item() const { diff --git a/src/declarative/qml/qdeclarativeengine.cpp b/src/declarative/qml/qdeclarativeengine.cpp index 513fc65..bc7468f 100644 --- a/src/declarative/qml/qdeclarativeengine.cpp +++ b/src/declarative/qml/qdeclarativeengine.cpp @@ -674,7 +674,7 @@ void QDeclarativeEngine::addImageProvider(const QString &providerId, QDeclarativ { Q_D(QDeclarativeEngine); QMutexLocker locker(&d->mutex); - d->imageProviders.insert(providerId, provider); + d->imageProviders.insert(providerId, QSharedPointer<QDeclarativeImageProvider>(provider)); } /*! @@ -684,7 +684,7 @@ QDeclarativeImageProvider *QDeclarativeEngine::imageProvider(const QString &prov { Q_D(const QDeclarativeEngine); QMutexLocker locker(&d->mutex); - return d->imageProviders.value(providerId); + return d->imageProviders.value(providerId).data(); } /*! @@ -698,13 +698,14 @@ void QDeclarativeEngine::removeImageProvider(const QString &providerId) { Q_D(QDeclarativeEngine); QMutexLocker locker(&d->mutex); - delete d->imageProviders.take(providerId); + d->imageProviders.take(providerId); } QDeclarativeImageProvider::ImageType QDeclarativeEnginePrivate::getImageProviderType(const QUrl &url) { QMutexLocker locker(&mutex); - QDeclarativeImageProvider *provider = imageProviders.value(url.host()); + QSharedPointer<QDeclarativeImageProvider> provider = imageProviders.value(url.host()); + locker.unlock(); if (provider) return provider->imageType(); return static_cast<QDeclarativeImageProvider::ImageType>(-1); @@ -714,7 +715,8 @@ QImage QDeclarativeEnginePrivate::getImageFromProvider(const QUrl &url, QSize *s { QMutexLocker locker(&mutex); QImage image; - QDeclarativeImageProvider *provider = imageProviders.value(url.host()); + QSharedPointer<QDeclarativeImageProvider> provider = imageProviders.value(url.host()); + locker.unlock(); if (provider) image = provider->requestImage(url.path().mid(1), size, req_size); return image; @@ -724,7 +726,8 @@ QPixmap QDeclarativeEnginePrivate::getPixmapFromProvider(const QUrl &url, QSize { QMutexLocker locker(&mutex); QPixmap pixmap; - QDeclarativeImageProvider *provider = imageProviders.value(url.host()); + QSharedPointer<QDeclarativeImageProvider> provider = imageProviders.value(url.host()); + locker.unlock(); if (provider) pixmap = provider->requestPixmap(url.path().mid(1), size, req_size); return pixmap; diff --git a/src/declarative/qml/qdeclarativeengine_p.h b/src/declarative/qml/qdeclarativeengine_p.h index 3b5dd5a..db2db35 100644 --- a/src/declarative/qml/qdeclarativeengine_p.h +++ b/src/declarative/qml/qdeclarativeengine_p.h @@ -232,7 +232,7 @@ public: mutable QNetworkAccessManager *networkAccessManager; mutable QDeclarativeNetworkAccessManagerFactory *networkAccessManagerFactory; - QHash<QString,QDeclarativeImageProvider*> imageProviders; + QHash<QString,QSharedPointer<QDeclarativeImageProvider> > imageProviders; QDeclarativeImageProvider::ImageType getImageProviderType(const QUrl &url); QImage getImageFromProvider(const QUrl &url, QSize *size, const QSize& req_size); QPixmap getPixmapFromProvider(const QUrl &url, QSize *size, const QSize& req_size); diff --git a/src/declarative/qml/qdeclarativeimageprovider.cpp b/src/declarative/qml/qdeclarativeimageprovider.cpp index ea68327..ef31be7 100644 --- a/src/declarative/qml/qdeclarativeimageprovider.cpp +++ b/src/declarative/qml/qdeclarativeimageprovider.cpp @@ -161,7 +161,9 @@ QDeclarativeImageProvider::QDeclarativeImageProvider(ImageType type) } /*! - \internal + Destroys the QDeclarativeImageProvider + + \note The destructor of your derived class need to be thread safe. */ QDeclarativeImageProvider::~QDeclarativeImageProvider() { diff --git a/src/gui/image/qpixmap.cpp b/src/gui/image/qpixmap.cpp index ef9be8f..1c0ceff 100644 --- a/src/gui/image/qpixmap.cpp +++ b/src/gui/image/qpixmap.cpp @@ -830,9 +830,6 @@ bool QPixmap::load(const QString &fileName, const char *format, Qt::ImageConvers return false; QFileInfo info(fileName); - if (!info.exists()) - return false; - QString key = QLatin1Literal("qt_pixmap") % info.absoluteFilePath() % HexString<uint>(info.lastModified().toTime_t()) diff --git a/src/gui/kernel/qclipboard_x11.cpp b/src/gui/kernel/qclipboard_x11.cpp index 9fcc718..4b75f0a 100644 --- a/src/gui/kernel/qclipboard_x11.cpp +++ b/src/gui/kernel/qclipboard_x11.cpp @@ -456,7 +456,8 @@ QClipboard::QClipboard(QObject *parent) XCheckIfEvent(X11->display, &ev, &qt_init_timestamp_scanner, (XPointer)&data); if (data.timestamp == CurrentTime) { setupOwner(); - int dummy = 0; + // We need this value just for completeness, we don't use it. + long dummy = 0; Window ownerId = owner->internalWinId(); XChangeProperty(X11->display, ownerId, ATOM(CLIP_TEMPORARY), XA_INTEGER, 32, diff --git a/src/gui/kernel/qwidget_s60.cpp b/src/gui/kernel/qwidget_s60.cpp index 319f330..7ab9fbc 100644 --- a/src/gui/kernel/qwidget_s60.cpp +++ b/src/gui/kernel/qwidget_s60.cpp @@ -482,14 +482,13 @@ void QWidgetPrivate::show_sys() activateSymbianWindow(); QSymbianControl *id = static_cast<QSymbianControl *>(q->internalWinId()); + const bool isFullscreen = q->windowState() & Qt::WindowFullScreen; #ifdef Q_WS_S60 // Lazily initialize the S60 screen furniture when the first window is shown. if (!QApplication::testAttribute(Qt::AA_S60DontConstructApplicationPanes) && !S60->buttonGroupContainer() && !S60->statusPane()) { - bool isFullscreen = q->windowState() & Qt::WindowFullScreen; - if (!q->testAttribute(Qt::WA_DontShowOnScreen)) { // Create the status pane and CBA here @@ -504,23 +503,24 @@ void QWidgetPrivate::show_sys() // Can't use AppUi directly because it privately inherits from MEikStatusPaneObserver. QSymbianControl *desktopControl = static_cast<QSymbianControl *>(QApplication::desktop()->winId()); S60->statusPane()->SetObserver(desktopControl); - - // Hide the status pane if fullscreen OR - // Fill client area if maximized OR - // Put window below status pane unless the window has an explicit position. - if (isFullscreen) { + if (isFullscreen) S60->statusPane()->MakeVisible(false); - } else if (q->windowState() & Qt::WindowMaximized) { - TRect r = static_cast<CEikAppUi*>(S60->appUi())->ClientRect(); - id->SetExtent(r.iTl, r.Size()); - } else if (!q->testAttribute(Qt::WA_Moved)) { - id->SetPosition(static_cast<CEikAppUi*>(S60->appUi())->ClientRect().iTl); - } } } } #endif + // Fill client area if maximized OR + // Put window below status pane unless the window has an explicit position. + if (!isFullscreen) { + if (q->windowState() & Qt::WindowMaximized) { + TRect r = static_cast<CEikAppUi*>(S60->appUi())->ClientRect(); + id->SetExtent(r.iTl, r.Size()); + } else if (!q->testAttribute(Qt::WA_Moved)) { + id->SetPosition(static_cast<CEikAppUi*>(S60->appUi())->ClientRect().iTl); + } + } + id->MakeVisible(true); if(q->isWindow()) diff --git a/src/opengl/qpixmapdata_gl.cpp b/src/opengl/qpixmapdata_gl.cpp index 653e805..1efd398 100644 --- a/src/opengl/qpixmapdata_gl.cpp +++ b/src/opengl/qpixmapdata_gl.cpp @@ -367,7 +367,7 @@ void QGLPixmapData::ensureCreated() const } void QGLPixmapData::fromImage(const QImage &image, - Qt::ImageConversionFlags /*flags*/) + Qt::ImageConversionFlags flags) { if (image.size() == QSize(w, h)) setSerialNumber(++qt_gl_pixmap_serial); @@ -381,7 +381,9 @@ void QGLPixmapData::fromImage(const QImage &image, if (qApp->desktop()->depth() == 16) format = QImage::Format_RGB16; - if (image.hasAlphaChannel() && const_cast<QImage &>(image).data_ptr()->checkForAlphaPixels()) + if (image.hasAlphaChannel() + && ((flags & Qt::NoOpaqueDetection) + || const_cast<QImage &>(image).data_ptr()->checkForAlphaPixels())) format = QImage::Format_ARGB32_Premultiplied;; m_source = image.convertToFormat(format); |