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* QLockFile: sync to disk to avoid leaving an empty lock file on crashDavid Faure2015-09-281-0/+7
| | | | | | | | | | | | The two lines of code are the same as in QFSFileEnginePrivate::nativeSyncToDisk, but we don't want to create a fileengine instance just for this. qlockfile_win.cpp already calls FlushFileBuffers, only the Unix implementation was missing the equivalent call. Task-number: QTBUG-44771 Change-Id: I2253972857e4de9d27ef442c92983a1088d6f03e Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
* Doc: minor link issue in qtbaseNico Vertriest2015-09-281-1/+1
| | | | | | Task-number: QTBUG-43810 Change-Id: I018c25146e6be3fa2c9dfffbdc9bd71738aefcc2 Reviewed-by: Martin Smith <martin.smith@digia.com>
* Clean up cancel operation handling on OS XTor Arne Vestbø2015-09-2723-101/+106
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | The logic for handling cancel operations was spread out through the code base and sometimes hard-coded to only include the Escape key shortcut, missing the Command+. shortcut. We now intercept both attempts at cancel operations from the system through cancelOperation, which we forward as normal key events. A new QKeySequence::StandardKey has been added for the Cancel sequence, which maps to Escape on all platforms, and Command+. in addition for OS X. The hard-coded logic in QWidget and subclasses for dealing with closing the dialogs has been replaced with this key sequence, which allows clients to override the behavior. Note that the widget code is not wrapped in checks for QT_NO_SHORTCUT, as we don't care about keeping widgets building and working under that define. The logic in QCocoaWindow to bypass windowShouldClose when delivering IM events has been removed as we now handle that specific case by also forwarding Escape as a cancel operation. Task-number: QTBUG-47557 Task-number: QTBUG-45771 Task-number: QTBUG-44076 Change-Id: Ibe0b3a4819f8659d246a2142dd7d9cd3a826ef78 Reviewed-by: Tim Blechmann <tim@klingt.org> Reviewed-by: Morten Johan Sørvig <morten.sorvig@theqtcompany.com> Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@theqtcompany.com>
* Enable tst_qaccessibilitylinuxFrederik Gladhorn2015-09-262-12/+25
| | | | | | | | | | | | | | | | This test caused problems because it relies on the at-spi services to run. In addition it could trigger orca (screen reader) to be launched as a side-effect of the dbus call to the screen-reader-enabled setting. Instead just export QT_LINUX_ACCESSIBILITY_ALWAYS_ON to make sure that accessibility will work. This means we won't test the dbus startup any more, but the test will be reliable. There is still a dbus call to org.a11y.Bus to launch the service in case it's not running yet. Task-number: QTBUG-27732 Task-number: QTBUG-44434 Change-Id: Idb86ed98ca4b47cb209027c8b41529e7e5285197 Reviewed-by: Caroline Chao <caroline.chao@theqtcompany.com>
* Fix ICC warning about use of "defined" in a macroThiago Macieira2015-09-251-1/+1
| | | | | | | qhash.cpp(89): warning #3199: "defined" is always false in a macro expansion in Microsoft mode Change-Id: I7de033f80b0e4431b7f1ffff13fc960bcbb17352 Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
* Work around GCC thinking that a variable could be clobbered by longjmpThiago Macieira2015-09-251-0/+1
| | | | | | | | | | | It can't be. The block in which the variable "s" exists makes no call to any function that takes the setjmp buffer. This is not a false positive warning: it's an incorrect warning. qjpeghandler.cpp:878:6: error: variable ‘s’ might be clobbered by ‘longjmp’ or ‘vfork’ [-Werror=clobbered] Change-Id: I42e7ef1a481840699a8dffff140681a3d7e34493 Reviewed-by: Gunnar Sletta <gunnar@sletta.org>
* Remove QT_WARNING_DISABLE_GCC for ClangThiago Macieira2015-09-251-1/+1
| | | | | | | | There's QT_WARNING_DISABLE_CLANG for when a warning applies to a Clang build. Change-Id: I42e7ef1a481840699a8dffff1406ac36b6a6eac3 Reviewed-by: Allan Sandfeld Jensen <allan.jensen@theqtcompany.com>
* tst_qprocess: Instantiate QProcess objects on the stack.Friedemann Kleint2015-09-251-165/+141
| | | | | | | | | | | | Instantiate the QProcess object on the stack to ensure resource cleanup and remove the QProcess * member variable. Use qobject_cast<QProcess *>(QObject::sender()) instead of the member variable in the helpers slots to ensure that signals from a leaked QProcess do not interfere with other tests. Task-number: QTBUG-47370 Change-Id: Ifc0dccb7e4b18069d236df53bccdcb6a47df6346 Reviewed-by: Joerg Bornemann <joerg.bornemann@theqtcompany.com>
* tst_qprocess: Port to Qt 5 connection syntax.Friedemann Kleint2015-09-251-46/+54
| | | | | | Task-number: QTBUG-47370 Change-Id: I09489a6fb4598238fa5e0120bf751fe5af6f31af Reviewed-by: Joerg Bornemann <joerg.bornemann@theqtcompany.com>
* Qt IBus plugin connects to IBus Bus again if ibus-daemon does not runTakao Fujiwara2015-09-252-17/+97
| | | | | | | | | | | | Qt5 applications do not enable IBus when the applications are saved in the session and launched automatically in the next login. This patch checks the IBus socket path and connect to the bus when it's available. Task-number QTBUG-47657 Change-Id: I0883eaa2438fd27455da93f78f392ea3c1abe6b8 Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
* Remove wrong forward declarationOlivier Goffart2015-09-251-1/+0
| | | | | | | It confuses auto complete Change-Id: Ida86f6c8dcca351339d2b41ad40cf5701f5bb2c4 Reviewed-by: Richard J. Moore <rich@kde.org>
* Doc: fixed links to qmake documentationNico Vertriest2015-09-259-10/+10
| | | | | | | Task-number: QTBUG-43810 Change-Id: I56676d6f6f95ed79bd1719404b4e48c26490eea6 Reviewed-by: Topi Reiniö <topi.reinio@digia.com> Reviewed-by: Martin Smith <martin.smith@digia.com>
* xcb: Show buttons on the title bar for QWindowAlexander Volkov2015-09-251-0/+3
| | | | | | | | | | | | | | | QWindow by default doesn't have the window flags to display buttons on the title bar and it's up to the window manager whether they will be shown. For example, fluxbox doesn't show the maximize button. The cocoa plugin and the windows plugin adjust the window flags in this special case of QWindow to show some buttons, so do the same in the xcb plugin. Change-Id: Idc2575cfeaced524dd67eb5ba99126663626e2b0 Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com> Reviewed-by: Laszlo Agocs <laszlo.agocs@theqtcompany.com>
* eglfs: Support for alternative Mali driver packagesDaniel Nyström2015-09-254-2/+56
| | | | | | | | | | | | | | | | | | | | In addition to the proprietary Mali Linux driver bundle from ARM, there are a couple of semi open source alternative bundles out in the wild, which are mostly derivatives from the sunxi-mali bundle. The non-ARM bundles lacks the proprietary header file fbdev_window.h which defines the fbdev_window struct. Instead, it has an equivalent mali_native_window struct in the EGL/eglplatform.h (which in turn is included by EGL/egl.h). This change adds an alternative configure test which detects the non-ARM bundles are used. It also removes the dependency on fbdev_window.h by defining the structure ourselves, which actually makes the plugin potentially compilable with *any* EGL SDK. Change-Id: I78ab4b618e8e9c774c889fe9896105cf2cf4228e Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com> Reviewed-by: Laszlo Agocs <laszlo.agocs@theqtcompany.com>
* QStateMachine: make enterStates/exitStates virtual.Erik Verbruggen2015-09-251-6/+6
| | | | | | | | This allows handling of state specific code when entering/exiting states during a micro-step. Change-Id: If2fa8dde9a1e209345950a93dee59414063d863e Reviewed-by: Simon Hausmann <simon.hausmann@theqtcompany.com>
* xcb: fix touchscreen input with certain capabilities onlyWolfgang Bremer2015-09-251-0/+2
| | | | | | | | | | | Touch screens without the "Abs MT Position X" but "Abs X" capability weren't detected correctly so far. This patch fixes the detection and enables these tochscreens. Change-Id: I32fdb4d56c106717c90904a6632c2838bd55a255 Task-number: QTBUG-48279 Reviewed-by: Laszlo Agocs <laszlo.agocs@theqtcompany.com> Reviewed-by: Shawn Rutledge <shawn.rutledge@theqtcompany.com>
* Cocoa: Don't send duplicate close events.Morten Johan Sørvig2015-09-251-6/+2
| | | | | | | | | Use the presence of a platform window to detect if the QWindow has already been closed. Change-Id: Ieedf231cc5b805ed6383e55a82ca137087805a4f Task-number: QTBUG-43344 Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@theqtcompany.com>
* qdoc: Fix write to invalid memoryTopi Reinio2015-09-251-4/+12
| | | | | | | | | | Before deleting the children of an Aggregate, we must clear its internal collections first. This prevents removeChild() (called from ~Node) from accessing already deleted siblings. Change-Id: Ic657b1d57fe4c766daa2bd4b791c3840099de709 Task-number: QTBUG-47751 Reviewed-by: Martin Smith <martin.smith@digia.com>
* tools: StringBuilder - silence clang warningTim Blechmann2015-09-251-1/+1
| | | | | | | | | | warning: implicit conversion loses integer precision: 'long' to 'int' [-Wshorten-64-to-32] a.resize(it - a.constData()); ~ ~~~^~~~~~~~~~~~~~~ Change-Id: I8c199d69f2e0d41d1c288d452b9d621b201fa98e Reviewed-by: Jan Arve Sæther <jan-arve.saether@theqtcompany.com> Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
* Fix deadlock on disconnectNotify() called from ~QObjectThiago Macieira2015-09-253-13/+55
| | | | | | | | | | | | | | | | | | | | | | | | | Normally, disconnectNotify() is called at the end of QObject::disconnect and all the locks have been dropped. That is not the case for the QObject destructor, so we need to deal with the fact that it there may be some locks held. I didn't catch this issue during testing because it depends on the pointer addresses of the object being destroyed and that of the QDBusAbstractInterface sender object, as we use one global, non- recursive mutex pool. For the same reason, this patch is not testable. The fix is simple: we don't need to remove the relay rules immediately. It's ok for them to happen later, since the worst case scenario is that we'll receive a few more signals than we have objects to deliver them to. If that happens, we'll do a little more work than we have to. But in the normal case, the amount of work is the same and we get the benefit of returning more quickly from the destructor. What's more, if the QDBusAbstractInterface object also gets destroyed, the events are deleted and QDBusConnectionPrivate will clean everything up. Task-number: QTBUG-48410 Change-Id: I42e7ef1a481840699a8dffff1406b789ba5217b3 Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
* Use a power of two division factorAllan Sandfeld Jensen2015-09-241-1/+1
| | | | | | | | | Using a power of 2 instead of power of 10 means the result of the division can be accurately represented as a floating point instead of being an approximation that could lead to rounding errors. Change-Id: I8910c06113ec6b69c60ff95d59894bfb56133186 Reviewed-by: Morten Johan Sørvig <morten.sorvig@theqtcompany.com>
* xcb: fix yet another crash when screens are disconnectedShawn Rutledge2015-09-241-2/+4
| | | | | | | | | Can't assume that m_screens is not an empty list. Task-number: QTBUG-42985 Change-Id: I6f9422638c219123dc898813910d03c7afbd1450 Reviewed-by: Uli Schlachter <psychon@znc.in> Reviewed-by: Laszlo Agocs <laszlo.agocs@theqtcompany.com>
* QScreen manual test: don't crash when a QScreen is nullShawn Rutledge2015-09-241-4/+13
| | | | | | | | Need to survive having screens detached/reattached on X11. Task-number: QTBUG-42985 Change-Id: I81cf9721f0cb61a29180c60d44d588063266e651 Reviewed-by: Laszlo Agocs <laszlo.agocs@theqtcompany.com>
* xcb: get Genius/Waltop tablets working againShawn Rutledge2015-09-241-0/+6
| | | | | | | | It was working at some point, but not in 5.5.0. Task-number: QTBUG-48370 Change-Id: I8a0e09d4dfa9ace3d69c10c5f88129958d226a9a Reviewed-by: Laszlo Agocs <laszlo.agocs@theqtcompany.com>
* Print one warning for the new high DPI variables, not fourThiago Macieira2015-09-241-4/+4
| | | | | | | | | | | | | | | | | | | | | For people with non-empty QT_MESSAGE_PATTERNS, the multiple lines would be unreadable. This is what it showed for me when starting Qt Creator: [1442136.587] qtcreator(82762 82762)(?libQt5Gui.so.5?|QGuiApplicationPrivate::createPlatformIntegration|QGuiApplicationPrivate::createEventDispatcher|QCoreApplication::init|QCoreApplication::QCoreApplication|QGuiApplication::QGuiApplication|QApplication::QApplication|?qtcreator?|?qtcreator?|__libc_start_main): Warning: QT_DEVICE_PIXEL_RATIO is deprecated. Instead use: [1442136.592] qtcreator(82762 82762)(?libQt5Gui.so.5?|QGuiApplicationPrivate::createPlatformIntegration|QGuiApplicationPrivate::createEventDispatcher|QCoreApplication::init|QCoreApplication::QCoreApplication|QGuiApplication::QGuiApplication|QApplication::QApplication|?qtcreator?|?qtcreator?|__libc_start_main): QT_AUTO_SCREEN_SCALE_FACTOR to enable platform plugin controlled per-screen factors. [1442136.592] qtcreator(82762 82762)(?libQt5Gui.so.5?|QGuiApplicationPrivate::createPlatformIntegration|QGuiApplicationPrivate::createEventDispatcher|QCoreApplication::init|QCoreApplication::QCoreApplication|QGuiApplication::QGuiApplication|QApplication::QApplication|?qtcreator?|?qtcreator?|__libc_start_main): QT_SCREEN_SCALE_FACTORS to set per-screen factors. [1442136.593] qtcreator(82762 82762)(?libQt5Gui.so.5?|QGuiApplicationPrivate::createPlatformIntegration|QGuiApplicationPrivate::createEventDispatcher|QCoreApplication::init|QCoreApplication::QCoreApplication|QGuiApplication::QGuiApplication|QApplication::QApplication|?qtcreator?|?qtcreator?|__libc_start_main): QT_SCALE_FACTOR to set the application global scale factor. (and imagine it line-broken in a terminal 140 columns wide) Change-Id: I42e7ef1a481840699a8dffff1406f73dc4d44a41 Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>
* QtDBus: update debugging info (QDBUS_DEBUG=1)Thiago Macieira2015-09-241-10/+4
| | | | | Change-Id: I9a75ad8521ae4e5cbbe5ffff13d1a740643ec22e Reviewed-by: Alex Blasche <alexander.blasche@theqtcompany.com>
* Use QTypeInfo<T>::isRelocatable in QVariantThiago Macieira2015-09-243-5/+5
| | | | | Change-Id: Ib306f8f647014b399b87ffff13f1f01c40dc3ef7 Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
* Use QMAKE_MOD_LEX/QMAKE_MOD_YACC in lex/yacc featuresAndrew Knight2015-09-242-7/+7
| | | | | | | | These variables were defined but never used in the respective qmake features. Utilizing them allows more control over the output file name. Change-Id: I5ba96c5cd330b18dc060f563186992fe3bd27b49 Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
* Build ANGLE dynamically under static builds which have dynamic GL enabledAndrew Knight2015-09-241-0/+6
| | | | | | | | Task-number: QTBUG-46814 Change-Id: I8108bcd6f8badbb135f593dcf280470e03b11bff Reviewed-by: Jan Arve Sæther <jan-arve.saether@theqtcompany.com> Reviewed-by: Laszlo Agocs <laszlo.agocs@theqtcompany.com> Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>
* Fix up QOpenGLWidget transparency supportLaszlo Agocs2015-09-244-17/+23
| | | | | | | | | | | | | | | The glColorMask call was troublesome. In addition, the Qt::WA_TranslucentBackground was misinterpreted and recommended misleadingly in the documentation. The hellogl2 example's --transparent argument was disfunctional in practice. Replace glColorMask with glBlendFuncSeparate. The hellogl2 example and the docs are now corrected wrt enabling semi-transparency in a QOpenGLWidget that is not a top-level (which is the most common case). Task-number: QTBUG-47276 Change-Id: I6f40e732d455f5efcf158649ac9a52ff9f240e85 Reviewed-by: Allan Sandfeld Jensen <allan.jensen@theqtcompany.com> Reviewed-by: Gunnar Sletta <gunnar@sletta.org>
* Guard against empty keys in QPlatformInputContextFactory::create().Friedemann Kleint2015-09-241-7/+9
| | | | | | | | | | | The code relied on QStringList::split() returning a list consisting of one empty string when passing an enpty string. Add a check to prevent the plugin loader from trying to load in this case. Change-Id: Iadb418d32fdea1d472d6c00726ad039b4afbf409 Reviewed-by: Andy Shaw <andy.shaw@theqtcompany.com> Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
* qdoc: Document macro parametersTopi Reinio2015-09-241-0/+12
| | | | | | | | QDoc has the ability to accept parameters for macros but it was never documented. Change-Id: Iaf9a629c906fbe1552717c7444a0fd52b5655a3f Reviewed-by: Martin Smith <martin.smith@digia.com>
* Deliver mouse press and release events on X11 also when draggingUlf Hermann2015-09-241-3/+3
| | | | | | | | | | | | | | | We generally assume that for every mouse press we also get a mouse release eventually. The event filter installed by QBasicDrag broke this assumption as it didn't take care of filtering mouse press and mouse release events symmetrically. We cannot immediately pass on the release event as that would mean a release event is generated from a press event (via the blocking drag call), which breaks assumptions in other places. Change-Id: If7e48c7dc0ef5265bed4f9a9366a7606ec875d93 Task-number: QTBUG-46361 Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com> Reviewed-by: Gatis Paeglis <gatis.paeglis@digia.com>
* QSettings: Special-case serialization of QDateTime.Christian Kandeler2015-09-242-5/+28
| | | | | | | | | | QDateTime values with a UTC offset are not correctly serialized with QDataStream::Qt_4_0. So use a newer QDataStream format for this type and mark it with "@DateTime" instead of "@Variant". Task-number: QTBUG-46551 Change-Id: I211c89e8cd0211c949ec993e6ffd5192d0eebbb3 Reviewed-by: Joerg Bornemann <joerg.bornemann@theqtcompany.com>
* Change indicator arrow direction in Fusion styleJoni Poikelin2015-09-241-0/+8
| | | | | | | | | [ChangeLog][Important Behavior Changes] Arrow indicator now consistent with platform styles Task-number: QTBUG-34611 Change-Id: If55e00a37a22288b2179e03fba299aeebad0ebcf Reviewed-by: J-P Nurmi <jpnurmi@theqtcompany.com>
* Fix QItemSelectionModel deselection rangeJoni Poikelin2015-09-242-4/+98
| | | | | | | | | Left and right were swapped which caused invalid selection ranges to be emitted through selectionChanged. Task-number: QTBUG-48402 Change-Id: I18692c2b50c49ab39065f9b360b37b7615227ee9 Reviewed-by: Gabriel de Dietrich <gabriel.dedietrich@theqtcompany.com>
* Tests: Harmonize code checking on platform name.Friedemann Kleint2015-09-2414-26/+26
| | | | | | | | Use case insensitive comparison and static invocation of QGuiApplication::platformName(). Change-Id: I8c197c7b4f0669f71c019fbcee09a0f03dfab399 Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@theqtcompany.com>
* Be more forgiving about arguments to QString::arg(double).Christian Kandeler2015-09-241-2/+2
| | | | | | | | | The arguments for the width and precision parameters, that is. There's no reason to crash if a user sets e.g. a precision of -2. Task-number: QTBUG-46838 Change-Id: I4afc004a1b8aa1306fd996360b16117b2b643640 Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
* Doc: Fix QDoc warnings for QTextStreamTopi Reinio2015-09-241-3/+3
| | | | | | | | | | | | qtextstream.cpp:2825: warning: Can't link to 'left()' qtextstream.cpp:2825: warning: Can't link to 'right()' qtextstream.cpp:2797: warning: Can't link to 'right()' qtextstream.cpp:2797: warning: Can't link to 'center()' qtextstream.cpp:2811: warning: Can't link to 'left()' qtextstream.cpp:2811: warning: Can't link to 'center()' Change-Id: I613354ca8137030c9f121cb976fe3bc35e1a415b Reviewed-by: Venugopal Shivashankar <venugopal.shivashankar@digia.com>
* tst_QDBusAbstractInterface: fix racy test failing every so oftenThiago Macieira2015-09-241-2/+8
| | | | | | | | | | | | | | | | | | | | | | The explanation is in the code comment. Ever since QDBusConnections began being processed in a separate thread, we were relying on the fact that the main thread didn't begin processing its event queue until the second event got posted (the event loop only exits after it has finished processing all pending events). We had a race between the main thread starting its processing, at which point it decides which is the last event it will process, and the QDBusConnectionManager thread posting the second event. This is very fragile code, since it depends on the behavior of QDBusConnectionPrivate (how it stores the signal relays in a hash) and that of QHash with duplicate keys. This only works because the hash key between the two connections is the same (it's only dependent on the method name and interface name). If we ever begin using something that isn't the same between "control" and "p", then with QHash's randomness, we'll be racy again. Change-Id: I42e7ef1a481840699a8dffff1406c3a4674ec3a6 Reviewed-by: Alex Blasche <alexander.blasche@theqtcompany.com>
* Stabilize qguieventloop test.Jędrzej Nowacki2015-09-242-15/+2
| | | | | | | | | The test assumed that an event loop can be tested for emptiness multiple times, which is wrong because an event can be delivered any time. Change-Id: Ic44245321eeed2091b640ada2c83d205b83a1cc2 Reviewed-by: Simon Hausmann <simon.hausmann@theqtcompany.com>
* Fix tst_qthreadstorageFrederik Gladhorn2015-09-241-1/+1
| | | | | | | | This test when running on Windows has a race condition since in qthread_win.cpp the finished signal is emitted before everything is cleaned up. Change-Id: I3c03d9a245e297e8f79b2be2c34398bf7bac9bae Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@theqtcompany.com>
* winphone: Obtain QLocale::uiLanguages properlyOliver Wolff2015-09-241-6/+0
| | | | | | | | | | The methods are supported on Windows Phone since 8.1 so that the simplified Windows Phone code isn't needed any more. Task-number: QTBUG-48140 Change-Id: I21c488fe1a1322e85bbe088fb47e81893fd12d40 Reviewed-by: Maurice Kalinowski <maurice.kalinowski@theqtcompany.com> Reviewed-by: Andrew Knight <andrew.knight@intopalo.com>
* Allow vertical resizing of wizard pages with water markLouai Al-Khanji2015-09-241-1/+0
| | | | | | | | The current behavior has been observed to irritate a lot of users, for instance in the Qt online installer and the Boot2Qt flashing wizard. Change-Id: Icd7b819a0cbc9fd04b86b4777c5b9e829045d6df Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>
* Fix maximum size of .ico files in ICOReader::write()Serge Lysenko2015-09-241-4/+6
| | | | | | | | | | According to MSDN, a maximum icon size is 256 pixels. http://blogs.msdn.com/b/oldnewthing/archive/2010/10/18/10077133.aspx Change-Id: Id87c89a20c9cba6ef041b49f93f84c5e9c3eb79f Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com> Reviewed-by: aavit <eirik.aavitsland@theqtcompany.com>
* Speed up printing when drawing opaque primitives.Jan Arve Saether2015-09-232-3/+13
| | | | | | | | | | | | | | | We only need to merge the rectangles into a region if we are painting a non-opaque a primitive with alpha. Performance measurements QT_print_speed_bug.zip: Excluding patch: 244686 ms Including patch: 5070 ms This is an improvement of 48x (for debug build) Task-number: QTBUG-48334 Change-Id: I03684c6e7d8a5fb039ea6477ed1a860f09e1b08c Reviewed-by: Andy Shaw <andy.shaw@theqtcompany.com>
* Synchronize QInputDeviceManager touch device count with QTouchDeviceRomain Pokrzywka2015-09-238-34/+120
| | | | | | | | | | | | This ensures that the values and signals reported by QInputDeviceManager for touch devices always have corresponding entries in the list returned by QTouchDevice::devices(). It also adds proper QTouchDevice unregistration when the underlying input device gets removed by the evdevtouch QPA plugin. Change-Id: I7bdf2f7435c775d15bddce8ba1e731afdc1d948a Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com> Reviewed-by: Laszlo Agocs <laszlo.agocs@theqtcompany.com>
* Add code to perform overflow-checking additions and multiplicationThiago Macieira2015-09-234-1/+281
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Most processors have carry flags which they set on addition overflow, so it's a good idea to access them whenever possible. Most of them also have widening multiply instructions that can be used to detect overflow of the non-widening version. Tested to compile on: Architecture Compiler x86 GCC 4.9, GCC 5*, Clang 3.6*, ICC 16 beta x86-64 GCC 4.9, GCC 5*, Clang 3.6*, ICC 16 beta x86-64 ILP32 GCC 4.9, GCC 5*, Clang 3.6* IA-64 LP64 GCC 4.8 ARMv7-A GCC 4.9, Clang 3.6* AArch64 Clang 3.6* MIPS GCC 4.9, Clang 3.6* MIPS64 GCC 4.9, Clang 3.6* PowerPC GCC 4.9, Clang 3.6* PowerPC 64 GCC 4.9, Clang 3.6* SPARC Clang 3.6* SPARCv9 Clang 3.6* [*] supports the intrinsics If the compiler does not offer a way to detect an overflow, we do it by hand. For unsigned additions, that's easy, since the C++ language specifies the behavior of the overflow. That's also the reason why this code is implemented only for unsigned integers. For the multiplication, if the compiler does not support widening multiplications, we do it with a division instead. This is necessary for GCC < 4.5 and compilers not compatible with GCC or MSVC. Change-Id: I049a653beeb5454c9539ffff13e637de0f1338c1 Reviewed-by: Ulf Hermann <ulf.hermann@theqtcompany.com> Reviewed-by: Alex Trotsenko <alex1973tr@gmail.com> Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
* Doc: Mention that calling parent class event() is importantAlbert Astals Cid2015-09-232-0/+34
| | | | | | | If you don't deleteLater and more won't work Change-Id: I47cbb24f8e22a7f269a0297410e4163878819f82 Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
* windows: Improve error handling with EGLLaszlo Agocs2015-09-231-12/+31
| | | | | | | | | | | | | | | | | | | | | | | | | When disabling the graphics adapter, things start failing with context lost and then bad_alloc and bad_access failures when creating contexts/window surfaces. Swap buffers now handles context loss. This makes it possible for Qt Quick to act when the graphics adapter goes away. Similarly, the window surface creation failure EGL_BAD_ACCESS is treated the same way as context loss. Note that this will not really help the main issue, because rendering is not possible without a GPU (reinit attempts will fail either at context creation or window surface creation), but proper logging and context loss reporting improves the situation somewhat. Also unify and prettyify the warning and debug prints. This makes it easier to understand what is going on. Change-Id: Iec3a9b54f1134e78e87eefcf938525283ec9412a Task-number: QTBUG-48095 Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>
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