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* QTreeView: re-use cached values in rowsInserted()Marc Mutz2016-04-111-1/+1
| | | | | | | | | | | | The parentRowCount and the delta were already calculated a few lines up, so don't recalculate them here. This improves performance (rowCount() is a virtual function), as well as readability (delta is more readable than end - begin + 1). Change-Id: Iabe88852a61f7ef52139e1ba446e9d3f87d6bd04 Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>
* Improve grammar in QUndoStack::beginMacro() documentationMitch Curtis2016-04-111-1/+1
| | | | | Change-Id: I4e27014a9a39abc03cee25f9753a46225efa43b9 Reviewed-by: Venugopal Shivashankar <venugopal.shivashankar@digia.com>
* Remove QDateTimeEditPrivate's duplication of QDateTimeParser code.Edward Welbourne2016-04-081-5/+0
| | | | | | | | | Both constructors set up the first, last and none members. QDateTimeEditPrivate wants first.pos = 0, different to its base, so keep that, but the rest merely duplicated. Change-Id: Ice22e0495112dc3427eb35b5b73420f42d7dafc1 Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
* QDateTimeEditPrivate: make clear which overrides are for which base.Edward Welbourne2016-04-081-12/+15
| | | | | | | | | | | The class does multiple inheritance and over-rides virtuals from both bases; it also declared the over-rides virtual rather than declaring them to be over-rides; so deploy Q_DECL_OVERRIDE and, while changing those lines, move them all together and document which belong to which base. Change-Id: Ica3958d6d24124a537983e7e94fce642284f1f24 Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
* QDateTimeParser: new Section mask values simplify code.Edward Welbourne2016-04-082-7/+7
| | | | | | | | | Various |s of existing section flags were used repeatedly; naming these masks makes the relevant code easier to read. In QDateTimeEdit, add a comment to make clear that its Section enum is based on QDTP's. Change-Id: Ifd8364cd396a6d0d5ed7ae7dc4d31690f77edd30 Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
* QFontDialog: re-enable X close button in window decorationMarc Mutz2016-04-061-1/+1
| | | | | | Change-Id: Id8d9dab7a0e4cf22abefd9bdc7bf2fd4cba1f445 Task-number: QTBUG-32240 Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>
* Refactor QWindowsXPStylePrivate::drawBackground() and helpers.Friedemann Kleint2016-04-062-9/+7
| | | | | | | | | | Pass the DC obtained drawBackground() to drawBackgroundDirectly(), saving a call to hdcForWidgetBackingStore() to find it. Pass the error code from the Win32 API DrawThemeBackground() to the calling functions. Change-Id: I1c25241f53d87e4429ad924f7b2e29da215d7e4f Reviewed-by: Oliver Wolff <oliver.wolff@theqtcompany.com>
* Add some QChar::unicode() calls to brush over deprecation warninghjk2016-04-061-1/+1
| | | | | Change-Id: I16383254373289584818cd2b590d51d9e4a649c5 Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
* QToolButton: always restart the menu popup timerGiuseppe D'Angelo2016-04-062-1/+9
| | | | | | | | | | | | | | | | | | | | | | The logic for activating a delayed popup menu on QToolButton is a bit cumbersome: when the button is pressed, a timer is started. This timer however doesn't get reset if the button is released before the timer expires. Instead, the function triggered by the timer checks if the button is pressed at that time. If so, the popup menu is shown. This logic allows the user to press-release a QToolButton many times and suddenly get a popup menu appear way before the expected timeout for the popup expired. That's because the first press started the timer, and then the button happened to be down when the timer expired. Instead, always *re*start the timer on a button press, and cancel the timer when the button is released. Change-Id: I3e0849264fdb6f670d018ebb5012eb15fa699cfb Task-number: QTBUG-48906 Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com> Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com> Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
* QListView: propagate the source of wheel eventsAlexander Volkov2016-04-061-1/+1
| | | | | Change-Id: I3ff5dd1f7e02a8a6a0610d71707c26fd5ea74650 Reviewed-by: Gabriel de Dietrich <gabriel.dedietrich@theqtcompany.com>
* Make sure QStyleOption is correctly initialized.Hannah von Reth2016-04-051-7/+3
| | | | | | | | | | | Ensures that QStyleOption is correctly initialized. This prevents possible styling issues due to QStyleOption's reporting version 0, see qstyleoption_cast. This enables users to handle more cases in their QProxyStyle. For now the test is only used for QCommonStyle. Change-Id: I768db00b12b46890343fffe44e4f562762e9cf80 Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
* Fix regression in scaled QLabel on hi-res display.Jason Haslam2016-04-051-2/+4
| | | | | | | | | | | | | | The change in bc1796f for QTBUG-42503 only works for scaling down pixel-doubled images. Smaller images scale up incorrectly. Fixed by setting the devicePixelRatio of the scaled pixmap to the devicePixelRatio of the label. Also, caching was broken by not accounting for scaling by devicePixelRatio in the condition. Change-Id: I6e1503652e61683a16312c74f46b79d28c880848 Task-number: QTBUG-46846 Reviewed-by: Morten Johan Sørvig <morten.sorvig@theqtcompany.com>
* QHeaderView::setStretchLastSection: make it a noop when setting the same valueGiuseppe D'Angelo2016-04-051-0/+2
| | | | | | | | | | For some reason this setter wasn't protected against setting the same value again, and always did work (including resizing the last section when setting it to false). Change-Id: I044404eef95d52d165100254f3afd489997e0872 Task-number: QTBUG-52308 Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
* Accept partial line scrollsAllan Sandfeld Jensen2016-04-051-1/+9
| | | | | | | | | | | QAbstractSlider might register and use small scroll events that would scroll less than a single line. Since we consume the scroll-event we should accept it, so it doesn't scroll other widgets too. Task-number: QTBUG-49549 Change-Id: I7c64c5f6cae46f02ba21058abbecb791fc3c88eb Reviewed-by: Simon Hausmann <simon.hausmann@theqtcompany.com> Reviewed-by: Shawn Rutledge <shawn.rutledge@theqtcompany.com>
* Vista style animation: Create images with device pixel ratio.Friedemann Kleint2016-04-052-17/+18
| | | | | | Change-Id: Ic404c8ac8b0e4c1b8d0dd7877611443e0afac270 Task-number: QTBUG-49374 Reviewed-by: Alessandro Portale <alessandro.portale@theqtcompany.com>
* Windows XP style: Change theme logic to use qreal.Friedemann Kleint2016-04-055-69/+65
| | | | | | | | | | | | | Avoid rounding errors, thus preventing sizes becoming too small when High DPI scaling is in effect. Also fix division by zero crashes should a scale factor be below 1. Task-number: QTBUG-49374 Task-number: QTBUG-51552 Change-Id: I72718521bc3c7f6b0e42392ea2d2d3bbc61e2faa Reviewed-by: Marko Kangas <marko.kangas@theqtcompany.com> Reviewed-by: Morten Johan Sørvig <morten.sorvig@theqtcompany.com> Reviewed-by: Alessandro Portale <alessandro.portale@theqtcompany.com>
* Windows XP style: Allow High DPI scaling to draw directly.Friedemann Kleint2016-04-052-11/+51
| | | | | | | | | | | | | | | | | | | Previously, the style defaulted to drawing via pixmaps when the device transformation of the QPainter was more complex than TxTranslate. Introduce an enumeration describing the transformation to be able to identify the scaling used by High DPI scaling and allow for direct drawing in that case as well. Add scale factors. Create pixmaps with device pixel ration in drawBackgroundThruNativeBuffer() if High DPI scaling is in effect. Issues: Borders may go missing due to the up-scaling/rounding. Code branches for DrawBackgroundEx==0 are not touched since it is assumed these old versions of Windows do not run in High DPI. Task-number: QTBUG-49374 Change-Id: Idfe1887e4fac3be2843438dc76cb4971a198ab2a Reviewed-by: Alessandro Portale <alessandro.portale@theqtcompany.com>
* QAbstractItemView: don't call restart() on invalid QElapsedTimerMarc Mutz2016-04-032-2/+10
| | | | | | | | | | | | | | | | | | | | | | | | | In keyboardSearch(), QAbstractItemView unconditionally called QElapsedTimer::restart(). Calling restart() on an invalid QElapsedTimer is undefined behavior: qelapsedtimer_unix.cpp:192:9: runtime error: signed integer overflow: 3313808 - -9223372036854775808 cannot be represented in type 'long int' qelapsedtimer_unix.cpp:193:10: runtime error: signed integer overflow: 534150461 - -9223372036854775808 cannot be represented in type 'long int' qelapsedtimer_unix.cpp:194:17: runtime error: signed integer overflow: -9223372036851462000 * 1000000000 cannot be represented in type 'long long int' The code already checked the timer for validity, and did not use the return value of restart() in case of an invalid timer, but the check came too late. Fix by checking the return value of QElapsedTimer::isValid() earlier, and calling start() instead of restart() instead. Fix the same error in QTreeView, which has a c'n'p copy of the buggy code. Change-Id: I9751465394707d9348d5c05a0b1b2be147eceb2e Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
* QGraphicsView: clarify documentation for viewportTransformGiuseppe D'Angelo2016-04-021-1/+1
| | | | | | | | d->matrix holds the scene->viewport transform, not vice versa. Change-Id: I997cbdfbf519f39f242cd0dbbd00621e59ec9307 Task-number: QTBUG-48705 Reviewed-by: Andreas Aardal Hanssen <andreas@hanssen.name>
* QScrollerTimer: fix a memory leakGiuseppe D'Angelo2016-04-021-1/+1
| | | | | | | | | | | | The QScrollerTimer instance allocated by QScrollerPrivate was never freed. I've absolutely no idea why QScroller has such a messy d-pointer handling, so go for the easiest approach: exploit the fact that QScrollerPrivate is a QObject and parent the QScrollerTimer to it. Change-Id: I500edc9d0d14b2fb9eec02712229970eb2b9fe81 Task-number: QTBUG-52280 Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>
* QGraphics*Layout: fix memory leaksGiuseppe D'Angelo2016-04-012-9/+10
| | | | | | | Change-Id: I5f9d2ccc8912e3fa08e376b5f6b6450d22913406 Task-number: QTBUG-10768 Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com> Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
* Refactor methods QTextEdit/QPlainTextEdit::inputMethodQuery().Friedemann Kleint2016-03-302-33/+29
| | | | | | | | Replace if / else if chain by switch() and return the value instead of reassigning it. Change-Id: Ib87c54bbf9911a58d3ae764b71f19f33d59590ce Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
* QTextEdit::inputMethodQuery(): Preserve types when applying offset.Friedemann Kleint2016-03-301-5/+5
| | | | | | | | | | | | | The old code converted QRectF into QRect when applying the offset. Change the offset point to QPointF and change the conversions accordingly. Add an autotest similar to that of QPlainTextEdit. This minimizes rounding errors and prevents conversions since the input method logic mostly uses qreal. Task-number: QTBUG-51923 Change-Id: I0c2f80ccae028d8bbbb97ec603f8782f69959c76 Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
* QMacStyle: Return a guess for SE_ProgressBarGroove's rectGabriel de Dietrich2016-03-292-1/+4
| | | | | | | | | | QMacStyle doesn't know how to accurately compute SE_ProgressBarGroove But, since we only need the progress bar's main dimension, its rect is good enough for QProgressBarPrivate::repaintRequired(). Change-Id: I81e936003b847cc9cc0ddf4fbfc05ddc1c9f6625 Task-number: QTBUG-51120 Reviewed-by: Timur Pocheptsov <timur.pocheptsov@theqtcompany.com>
* QPlainTextEdit: Take vertical offset into account when answering input ↵Friedemann Kleint2016-03-291-5/+5
| | | | | | | | | | | method queries. Determine offset point to similar to QTextEdit::inputMethodQuery() and add an autotest. Task-number: QTBUG-51923 Change-Id: I8232eb348063e2cd95d0632fe74a6eb30c897eda Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
* QTabBar: enable high dpi moving of a tabGiuseppe D'Angelo2016-03-252-7/+35
| | | | | | | | | | | | | | | | Moving tabs of a QTabBar goes through a temporary QWidget that captures a "screenshot" of the tab, and then gets moved around. Unfortunately, that screenshot was not using the devicePixelRatio, resulting in blurry text and icons. For some reason, setting the DPR on the pixmap isn't enough -- that causes it to be drawn twice as big (bug somewhere in Qt styles?). Work around that by not using the palette, but a simple widget which draws the pixmap (which also leads to somehow clean code). Change-Id: Id12f9251625693d108031488ddfab86277128705 Task-number: QTBUG-50898 Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
* Allow to style arrows drawn with drawPrimitive in QCommonStyle.Hannah von Reth2016-03-251-3/+3
| | | | | | | | Its currently not possible to style the arrows with QCommonStyle because drawPrimitive from QCommonStyle is called instead from the proxy. Change-Id: I910b13df110601cb18578bc16edfa5ddaa17bbd2 Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
* Don't propagate unsolicited events from QWidgetWindow to QWidgetAlexander Volkov2016-03-241-5/+19
| | | | | | | | | | | Show and Hide events were not propagated before this change. Add Timer, DynamicPropertyChange, ChildAdded, and ChildRemoved, because they are supposed to be delivered to one QObject. Also don't propagate these events if WA_DontShowOnScreen is set. Change-Id: I134bf3909d46141e4d3e39f41983f493a4f35478 Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
* Fix Fusion style combobox dirty lines in HiDPI mode.Marko Kangas2016-03-241-7/+1
| | | | | | | | | | Tuned combobox item highlight outline to avoid dirty lines when painting in HiDPI mode. Task-number: QTBUG-45600 Change-Id: I3c4aab91b2d32733bd2561424052034a3d9c26a3 Reviewed-by: Marko Kangas <marko.kangas@theqtcompany.com> Reviewed-by: Kai Koehne <kai.koehne@theqtcompany.com>
* QAbstractItemView: trigger handlers (and redraw) when changing selection modelGiuseppe D'Angelo2016-03-231-0/+9
| | | | | | | | | | | The most visible problem is that changing selection model didn't update() the view, resulting in the old selection/current item still being drawn. In general trigger the handlers for when the selection/current item changes. Change-Id: Ib3b2ad70412e6a21a182d4c173e617710bcc630d Task-number: QTBUG-50535 Reviewed-by: Stephen Kelly <ske@ableton.com>
* Initialize input method for read-only QTextBrowserMarko Kangas2016-03-231-0/+1
| | | | | | | | | Set input method attribute to be aligned with read-only value in QTextBrowser initialization Task-number: QTBUG-52071 Change-Id: If0e64bf09e2a2d505ed66fcbfb8cd12ae39844d3 Reviewed-by: Andy Shaw <andy.shaw@theqtcompany.com>
* QWidget::create(): Mark parameter window as ignored.Friedemann Kleint2016-03-222-17/+15
| | | | | | | | | | | Remove parameter from QWidgetPrivate::createWinId(), add a warning and fixme comments. Update the documentation to point the users to QWindow::fromWinId() and QWidget::createWindowContainer(). Task-number: QTBUG-33079 Task-number: QTBUG-51853 Change-Id: I03ae922b31bb46a411889cc0260ea14a4d933492 Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
* QLineEdit: Use High DPI pixmap for clear button.Friedemann Kleint2016-03-224-13/+39
| | | | | | | | | | | | | | Add a 32x32-pixmap to the style and factor out a function from QStyle::standardIcon() to assemble the icon. The 32x32 pixmap may also be used for the 16x16 case with devicePixelRatio=2. Change QLineEditIconButton to use QStyle::standardIcon() instead of QStyle::standardPixmap passing the QWindow to obtain the correct pixmap from the icon. Task-number: QTBUG-49374 Change-Id: I9895230f66911752cc13b7212609141610df0977 Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
* Remove unused QButtonGroupPrivate::notifyChecked()Marc Mutz2016-03-201-1/+0
| | | | | | | It wasn't even implemented. Change-Id: I7d4b97b176c90beeffc780c31848ec5b234ba509 Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
* QtWidgets: Change QTLWExtra::window from QWidgetWindow to QWindow.Friedemann Kleint2016-03-191-2/+1
| | | | | | | | None of QWidgetWindow's API is used in the code. Task-number: QTBUG-33079 Change-Id: Iecb1e174645eff687ee0d8b29417c30a2c508311 Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
* Move QButtonGroup implementation from qabstractbutton.cpp to qbuttongroup.cppMarc Mutz2016-03-185-148/+198
| | | | | | | | | | | | | Because it's the right thing to do. Needed to introduce qbuttongroup_p.h because QAbstractButton likes to poke around in QButtonGroup's private parts. Fixed includes of qabstractbutton_p.h so it compiles on it's own. Change-Id: Ic7725277d2419754de273b2abd4790476edd0eb4 Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
* QtWidgets: includemocsMarc Mutz2016-03-1880-1/+151
| | | | | | | | A very simple way to save ~3KiB in test size and 440b in data size on GCC 5.3 Linux AMD64 release builds. Change-Id: I6619148cc497116b9772a00e1bc30d573a2b2534 Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
* QToolBarExtension: remove unused member 'orientation'Marc Mutz2016-03-181-1/+0
| | | | | | | | | | The orientation is implicitly stored by which icon is used. Found by Clang: qtoolbarextension_p.h:57:21: error: private field 'orientation' is not used [-Werror,-Wunused-private-field] Change-Id: I82f8b8009b48d41fd2beb95d6107e505f9d4e835 Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
* QWindows(XP)Style: fix build with Clang after includemocs runMarc Mutz2016-03-182-2/+0
| | | | | | | | | | | | | | | Clang doesn't like the unused member variable: qwindowsstyle_p.h:100:11: error: private field 'reserved' is not used [-Werror,-Wunused-private-field] Remove. It's private API. Triggered by Clang seeing all methods of the classes in one TU by the following includemocs commit. Change-Id: I84e92d63af573c090ef89c1d8ee19af30f90b171 Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com> Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
* QMacStyle: Ensure proper focus ring clippingGabriel de Dietrich2016-03-172-22/+70
| | | | | | | | | | | | | | | | By rendering the focus ring directly on the backing NSView, we would ignore the painter's clipping information. It would also require creating a custom CGContext and attached NSGraphicsContext every time. The first step is to render the focus ring on a pixmap and then use the painter to render that pixamp. This ensures the clipping is done properly. The second step is to cache said pixmap and render it as a nine-patch image. Change-Id: I1df1baf7dc490023319f025a16306d4f04e5264c Task-number: QTBUG-50645 Reviewed-by: Morten Johan Sørvig <morten.sorvig@theqtcompany.com>
* Fix QAbstractItemView dragged item pixmaps to be HighDPI aware.Alexandru Croitor2016-03-171-1/+14
| | | | | | | | | | When an item is rendered into a QPixmap sent to the QDrag implementation, make sure it's size is scaled with the current window's devicePixelRatio, so it does not appear blurry on high-dpi screens. Change-Id: Idf38c0993e8529aff7107ff1ac412de9cf10f311 Task-number: QTBUG-46068 Reviewed-by: Shawn Rutledge <shawn.rutledge@theqtcompany.com>
* Revert "Handle the QWidgetPrivate::mapper structure"Marc Mutz2016-03-151-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 90de48493be283b9afb249f6a0fd8dbd8958517d. The call isn't necessary, but invokes undefined behavior. It invokes undefined behavior because deleteTLSysExtra() is called from deleteExtra(), which is called from ~QWidgetPrivate(), which is called from ~QObject(). Thus, by the time we call q->windowType() within setWinId(), q is no longer a QWidget, but only a QObject, and calling a QWidget member function then is UB. UBSan confirms: qwidget_p.h:300:5: runtime error: downcast of address 0x2afdd4053620 which does not point to an object of type 'QWidget' (the Q_Q macro) 0x2afdd4053620: note: object is of type 'QObject' qwidget.cpp:1712:93: runtime error: member call on address 0x2afdd4053620 which does not point to an object of type 'QWidget' 0x2afdd4053620: note: object is of type 'QObject' It is also unnecessary: deleteTLSysExtra() is called from two places: QWidget::destroy() and deleteExtra(). deleteExtra() is only called from ~QWidgetPrivate() which is only called from ~QObject() called by ~QWidget(), which, however, already calls QWidget::destroy(). QWidget::destroy(), in turn, unconditionally (for non-desktop widgets, at least) calls setWinId(0) itself. So fix the UB by removing the call without replacement. Conflicts: src/gui/kernel/qwidget_qpa.cpp Change-Id: Ib3a8cc9d28a096183f1d3dfd1941ea5fdc6a4aac Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>
* Remove Qt::WA_OutsideWSRange flag even if the widget is not yet visible.Błażej Szczygieł2016-03-151-1/+1
| | | | | | | | | | Show the widget when its initial size is 0 and the layout changes the size during showing. Task-number: QTBUG-51788 Change-Id: I3251ac27328f9715ff13d96e1b82fbf824d9e79d Reviewed-by: Dmitry Shachnev <mitya57@gmail.com> Reviewed-by: Shawn Rutledge <shawn.rutledge@theqtcompany.com>
* Add argument names to the function signatures in headersOlivier Goffart2016-03-102-31/+31
| | | | | | | | | | | | | | | | | | Sometimes, in the .cpp, the declaration has the argument name in comments because it is not used (instead of using Q_UNUSED). The old qdoc could parse that, but once clang is used, these comments are not seen anymore. So add the argument names to the headers. This is also good for things like auto completion, which uses only the header to know what the argument name is. I grepped for " */)" and made sure all the functions that are documented have the right arguments. I also added the name to all the function around for consistency. Change-Id: I1aaa37e25a1985f7f51653f047a1ac2633242b56 Reviewed-by: Marc Mutz <marc.mutz@kdab.com> Reviewed-by: Martin Smith <martin.smith@theqtcompany.com>
* Wheel event widget: Harden logic an extra bitGabriel de Dietrich2016-03-092-25/+53
| | | | | | | | | | | | | | | | | This is quite an unlikely scenario, but not impossible. It could be that the wheel widget is destroyed during an update phase event. In that case, wheel_widget would be a dangling pointer for any subsequent wheel event. We protect against this with a QPointer. However, that would mean that if the next wheel event were to be an end phase event, that event would be lost. So we go through the usual code path, except that we won't set wheel_widget in the case of an end phase event. Change-Id: I59a912b845dcc249e1edc60b4dc28bf308d807d9 Reviewed-by: Shawn Rutledge <shawn.rutledge@theqtcompany.com>
* QGestureManager: fix UB in filterEvent()Marc Mutz2016-03-091-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The code infers from the presence of an address in a QHash<QGesture *, ...> that the address belongs to a QGesture. So far that is fine enough. But in order to perform the lookup, it static_cast<>s the QObject* argument to a QGesture* for the QHash:: contains() call. Even though the pointer is not dereferenced, the cast is UB. Says UBSan: qgesturemanager.cpp:558:73: runtime error: downcast of address 0x2ab83364f3a0 which does not point to an object of type 'QGesture' 0x2ab83364f3a0: note: object is of type 'QDBusConnectionManager' which is a particularly hideous error message because of the constantly-changing completely-unrelated actual type in the second line of the message: 52 QDBusConnectionManager 19 QSocketNotifier 14 QFusionStyle 13 QAction 6 QApplication 3 QGraphicsWidget 1 Window 1 TestRunnable 1 RectWidget 1 QTimer 1 QSingleShotTimer 1 QOffscreenSurface 1 QGraphicsProxyWidget 1 QDefaultAnimationDriver 1 QDBusPendingCallWatcherHelper This error is also _very_ common, triggered 116 times in a single run of make -C tests/auto check. Fix by using qobject_cast first and then doing the lookup only when the cast succeeded. Depending on the performance of qobject_cast<>, this may actually perform better, too. Change-Id: I884ec7d885711acc3c1d004ce93c628268d8fc18 Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
* Q*Application: fix UB caused by accessing QGuiApplication from ↵Marc Mutz2016-03-092-3/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | QCoreApplication ctor As reported by ubsan: src/gui/kernel/qplatformintegration.cpp:463:10: runtime error: downcast of address 0x7ffdc2942490 which does not point to an object of type 'QGuiApplication' 0x7ffdc2942490: note: object is of type 'QCoreApplication' src/gui/kernel/qplatformintegration.cpp:466:14: runtime error: downcast of address 0x7ffdc2942490 which does not point to an object of type 'QGuiApplication' 0x7ffdc2942490: note: object is of type 'QCoreApplication' src/gui/kernel/qplatformintegration.cpp:466:43: runtime error: member call on address 0x7ffdc2942490 which does not point to an object of type 'QGuiApplication' 0x7ffdc2942490: note: object is of type 'QCoreApplication' to name just a few which are reported when running gui and widget auto-tests; there're definitely more where these came from. This is caused by QCoreApplication::init() being called from the QCoreApplication ctor, calling virtual functions on Q*AppPrivate, which happen to attempt, in this case, to emit QGuiApp signals. At that point in time, the QGuiApplication ctor has not entered the constructor body, ergo the object is still a QCoreApplication, and calling the signal, as a member function on the derived class, invokes UB. Fix by cleaning up the wild mix of initialization functions used in this hierarchy. The cleanup restores the 1. Q*ApplicationPrivate::Q*ApplicationPrivate() 2. Q*ApplicationPrivate::init(), calling each base class' init() as the first thing two-stage construction pattern commonly used elsewhere in Qt to make sure that the public class' object is fully constructed by the time each level's Private::init() is called. Change-Id: I290402b3232315d7ed687c97e740bfbdbd3ecd1a Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
* Clean up WINVER, _WIN32_WINNT macros for MinGW.Friedemann Kleint2016-03-073-31/+0
| | | | | | | | | | | Define WINVER, _WIN32_WINNT as 0x501 (Windows XP) in qt_windows.h. Remove definitions of the same/lower versions and unneeded definitions in other places. Remove definition for Borland compiler. Task-number: QTBUG-51673 Change-Id: I2a344a7f7cf78b2afbf45dcdf8bf2a19b93f0a07 Reviewed-by: Joerg Bornemann <joerg.bornemann@theqtcompany.com> Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
* consistently put {qt,qml}_{module,plugin} at the end of project filesOswald Buddenhagen2016-03-072-11/+8
| | | | | | | | this fixes static builds by ensuring that all dependencies are exported. Task-number: QTBUG-51071 Change-Id: Icbce502dcbcb4d4b4d922c42679f44e2cc930bf3 Reviewed-by: Joerg Bornemann <joerg.bornemann@theqtcompany.com>
* QCompleter: QMatchData: init all fields in default ctorMarc Mutz2016-03-061-1/+1
| | | | | | | | | Found by UBSan: src/widgets/util/qcompleter_p.h:130:8: runtime error: load of value 249, which is not a valid value for type 'bool' Change-Id: I0529e54e17a6f4d6add91786a2d5687f2d043531 Reviewed-by: Milian Wolff <milian.wolff@kdab.com>
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-20 04:36:15 +0000