Child widgets should get the show/hide event when the TLW changes its
state, because child widgets are also visible or invisible. This
restores the Qt4 behavior (fixes the Qt4->Qt5 regression).
Restoring/minimizing the TLW now sends the spontaneous show/hide event.
Show events are now handled also in the expose event handler in the
QWidgetWindow class, because the show event must occur before the
expose event to avoid possible flicker e.g. the OpenGL content. This
can happen e.g. on XCB platform. If the "WindowStateChange" event occur
before the expose event (e.g. Windows platform) then the code in expose
event handler will be ignored to prevent event duplications.
Added autotest.
Task-number: QTBUG-50589
Change-Id: Ie9a9329b1f29bff876de28d5948d0d5fb6bc1f05
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Store the result of the comparison before the calling QWidget::setParent()
passing the flags which can modify q->data->window_flags.
Previously, this led to the condition triggering when a child window
was becoming top level, causing the geometry to be changed (notably for
fullscreen windows on Windows, where fullscreen is merely emulated).
Amends change 5e99b07a07.
Task-number: QTBUG-54906
Change-Id: I9369d7d9f886451cfdb933746a4572593ffa074a
Reviewed-by: Andy Shaw <andy.shaw@qt.io>
The platform is not supported since Qt 5.7
Task-number: QTBUG-55331
Change-Id: Idb6d4a31488ca849f0925a362e5ab1e83584e3cb
Reviewed-by: Topi Reiniö <topi.reinio@theqtcompany.com>
Introduce QXcbWindowFunctions::setWmWindowRole() and call it either from
the implementation of QWidget::setWindowRole() or after the creation of
the corresponding QWidgetWindow.
Change-Id: I143450f4673dd707bb491c1d0f0e8b61d564283d
Task-number: QTBUG-45484
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
Reviewed-by: Ivan Čukić <ivan.cukic@kde.org>
Use QXcbWindowFunctions::setWmWindowType() to add the corresponding
types to the window's _NET_WM_WINDOW_TYPE X11 window property.
Change-Id: Ia2413ad7a69ab8d49b448de11dd07c77101a564c
Task-number: QTBUG-39887
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
As of version 10.12 (Sierra), the name of Apple's desktop operating
system will be macOS. Change the occurrences where the Mac platform
is discussed to use a macro \macos, which expands to 'macOS'. This
helps with adapting to future renaming.
Update the instructions on mac-specific Q_OS_* macro usage.
Add a \target for the old 'Qt for OS X' topic to keep links working
for other documentation modules that try to link with the old name.
Change-Id: Id33fb0cd985df702a4ae4efb4c5fd428e77d9b85
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@qt.io>
qwidget.cpp:498: warning: Can't link to 'Qt Examples'
Change-Id: I5eed4ac4fd5514a1e1ff7130997df8449d5c5e7f
Reviewed-by: Martin Smith <martin.smith@theqtcompany.com>
windows and xcb enables SwitchableWidgetComposition meaning that widget
backing stores will fall back to the normal flush path when no render-to-texture
widgets are visible anymore in the window. This switch however can lead to
artifacts with the image of the rtt widget remaining visible until the next
full bacinkgstore sync. The safe and simple way around this is to do the
switch only in the next flush, keeping the flush where the switch is
discovered on the OpenGL-based composition path still.
Task-number: QTBUG-54241
Change-Id: I1d3f10999f69c58efa791dd724891add56949dee
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>
Introduce a function going up the widget hierarchy determining a QTransform
for mapping the coordinates applying the transformations of any QGraphicsView
instances found. In mapFromGlobal(), use the inverse of it. This fixes the
case of widget hierarchies embedded into QGraphicsView with transformations.
Increase fuzz in the tests due to float rounding errors.
Task-number: QTBUG-41135
Task-number: QTBUG-50030
Task-number: QTBUG-50136
Task-number: QTBUG-52507
Change-Id: I507e0bccd546250fe9c2d1b74ef38657d61490b4
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Let widgets respond to ImInputItemClipRectangle inputMethodQuery and
notify about potential changes with QInputMethod::update()
Change-Id: I01b2c53273df207d26107b237a7096fe53d1b0a5
Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@theqtcompany.com>
Return pixmaps with device pixel ratio similar to QScreen::grabWindow(),
cf c0963486ce.
Adapt kernel tests accordingly.
Task-number: QTBUG-52137
Change-Id: I9ce276d5e2d87ae0d39c8639267d1ac283fed854
Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
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>
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>
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>
... by replacing them with C++11 range-for loops.
This is the simplest of the patch series: Q_FOREACH took a
copy, so we do, too. Except we don't, since we're just
catching the return value that comes out of the function
(RVO). We can't feed the rvalues into range-for, because
they are non-const and would thus detach.
Saves 2.2KiB in test size on optimized GCC 5.3 Linux AMD64
builds.
Change-Id: I914aa20fe65577b2e32ea7ea89d51a8d003a57ba
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
The Windows OS by default does not activate windows when the calling
process is not active; only the taskbar entry is flashed as not to
distract the user.
Nevertheless, for some use cases, it is desirable to activate the window
also in the inactive state.
Introduce an enumeration specifying the behavior to QtPlatformHeaders
and employ a workaround using the Win32 API AttachThreadInput() to attach
to other processes while setting the foreground window to achieve
the AlwaysActivateWindow behavior.
Task-number: QTBUG-14062
Task-number: QTBUG-37435
Change-Id: I79cb6cd3fab29d55b5d3db7f9af01bbaa5096a37
Reviewed-by: Joerg Bornemann <joerg.bornemann@theqtcompany.com>
Move code from QWidget::setMask() and reimplement QWidget::setMask()
using QWindow::setMask().
Task-number: QTBUG-50938
Change-Id: I040688d6b18df91368fa6ab6392a3b4cd80f2683
Reviewed-by: Błażej Szczygieł <spaz16@wp.pl>
Reviewed-by: Paul Olav Tvete <paul.tvete@theqtcompany.com>
Commit 5c7f000cd4 greatly reduces the
number of repaints for QOpenGLWidget. Unfortunately, this included when
the widget changes screens.
Change-Id: Iaabcb94925e4519cb5d8561b47aaddcfdc7b01ac
Reviewed-by: Laszlo Agocs <laszlo.agocs@theqtcompany.com>
I wrote a script to help find the files, but I reviewed the
contributions manually to be sure I wasn't claiming copyright for search
& replace, adding Q_DECL_NOTHROW or adding "We mean it" headers.
Change-Id: I7a9e11d7b64a4cc78e24ffff142b506368fc8842
Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
... with iteration over the hash itself.
Can't keep the call to ungrabGesture() in the loop,
because it removes the current element from the very
hash being iterated over. Instead, inline the call
and optimize based on the context:
- don't remove element by element, but clear the
hash completely at the end.
- drag the check for QGestureManager::instance()
out of the loop.
- drop the check for presence of the key in the
hash, since it would be always true.
Change-Id: I6bf7cc8a59a51ccc8046a5b6d1cab5784e79fd55
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>
From Qt 5.7 -> LGPL v2.1 isn't an option anymore, see
http://blog.qt.io/blog/2016/01/13/new-agreement-with-the-kde-free-qt-foundation/
Updated license headers to use new LGPL header instead of LGPL21 one
(in those files which will be under LGPL v3)
Change-Id: I046ec3e47b1876cd7b4b0353a576b352e3a946d9
Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
This patch prevents visibility of native widgets which for some reasons
has width or height of 0.
Due to async expose event in Qt5 we must force "hide_sys()" during
resizing for widgets with WA_OutsideWSRange flag. This avoid problems
for non-native and visible widgets which are converted to native and
then resized:
child->winId();
child->resize(0, 0);
Task-number: QTBUG-49445
Change-Id: Ied62a4f253f89447941b2dc03316db8c168f4bb5
Reviewed-by: Ulf Hermann <ulf.hermann@theqtcompany.com>
This reverts commit 56aad2ad60.
QWidget::mapFromGlobal() does not work correctly when the widget is
a child widget of another widget embedded into a QGraphicsView with a
transformation (scaling/rotation). It starts applying offsets going
up the widget tree (just as mapToGlobal) until it hits the embedded widget
not taking into account the transformation.
It would need to go in from to top to bottom or better be reimplemented
such that a QTransform for mapping coordinates from/to global is determined
which is then applied in reverse.
Task-number: QTBUG-50030
Task-number: QTBUG-50136
Change-Id: Iadeb891d793be1938c64942bfbf38d541a281c33
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
If, after checking a condition, we issue a qFatal()
or a qCritical(), by definition that check is
unlikely to be true.
Tell the compiler so it can move the error handling
code out of the normal code path to increase the
effective icache size.
Moved conditional code around where possible so that
we could always use Q_UNLIKELY, instead of having to
revert to Q_LIKELY here and there.
In some cases, simplified the expressions newly wrapped
in Q_UNLIKELY as a drive-by.
Change-Id: I67537d62b04bc6977d69254690c5ebbdf98bfd6d
Reviewed-by: Konstantin Ritt <ritt.ks@gmail.com>
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
The platform window geometry can be misleading until it has
been properly positioned and
QWindowPrivate::resizeEventPending has been cleared.
Task-number: QTBUG-49588
Task-number: QTBUG-48396
Change-Id: Ie065f62478fc8522a9ad51391bb897510afa5aad
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
If, after checking a condition, we issue a qWarning(),
by definition that check is unlikely to be true.
Tell the compiler so it can move the error handling
code out of the normal code path to increase the
effective icache size.
This change contains the changes to the accessible/,
effects/, kernel/, styles/ and itemviews/ subdirs.
Moved conditional code around where possible so that
we could always use Q_UNLIKELY, instead of having to
revert to Q_LIKELY here and there.
In QWidgetPrivate::setWindowModified_helper(), as a
drive-by, I swapped the evaluation order of an
&&-expression (newly wrapped in Q_UNLIKELY) to be
more readable and more efficient (cheaper check
first) at the same time.
In qDraw* (qdrawutil.cpp), simplified boolean
expressions (sometimes by skipping re-checking
conditions already checked in a previous guard clause).
Change-Id: I58be22be0a33522c2629a66c2f6c795771a99f3f
Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
Changes to other widgets in the window, especially special cases like
moving dock widgets around, trigger an unfortunately high number of
paint events and calls to paintGL(). Let's try to avoid this.
There is no need to send out a paint event to a texture-backed widget
when it was not explicitly dirtied. Overlaps won't matter since such
widgets are not part of the backingstore. Everything else has to work
like ordinary widgets, though, it is only the QPaintEvent sending we
can optimize away, nothing else.
Task-number: QTBUG-49466
Change-Id: I8ef294ba0a6c305d0002a80e85c06db2c2501cf8
Reviewed-by: Paul Olav Tvete <paul.tvete@theqtcompany.com>
Neither the default nor the eglfs-specific backingstore release the OpenGL textures
that are in use when render-to-texture widgets are involved.
The result can be fatal on embedded devices that run out of GPU memory at after showing
and closing dialogs and popups a certain number of times.
Task-number: QTBUG-49363
Task-number: QTBUG-49399
Change-Id: Ia7471b037f147bcca0a4f1db5808ca348e230547
Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
Reviewed-by: Andy Nichols <andy.nichols@theqtcompany.com>
Currently QOpenGLWidget and QQuickWidget do not support having native
child widgets inside the same top-level window. In some cases this is
inevitable, f.ex. multimedia may require native windows when used from
widget apps. winId() calls made for various (valid or invalid) reasons
are also problematic.
There are no blockers for supporting this setup, however. By storing
multiple texture lists (one for each subtree where the root is a
native widget), adding the missing markDirtyOnScreen calls, letting
each native widget access the correct texture list (i.e. the one
corresponding to its children) when they are (separately) flushed, and
fixing composeAndFlush() to take the update region and the (native
child) offset into account, it can all be made functional.
The change also fixes the issue of keeping GL-based compositing
enabled even after all render-to-texture widgets in the window become
hidden. Due to the changes of how such widgets are gathered,
composeAndFlush() is not invoked anymore when no such widgets are
discovered for a given native parent. This is great since having
compositing enabled infinitely is an issue for applications like Qt
Creator that implement certain views with QQuickWidgets but cannot
afford the cost of texture uploads in other places (e.g. for the text
editor) on slower machines.
The openglwidget manual test is greatly enhanced to test various
situations (MDI, scroll areas, tab widgets, QOpenGLWidget as native
child, QOpenGLWidget with non-tlw native parent, etc.)
Task-number: QTBUG-48130
Task-number: QTBUG-49172
Change-Id: Iad098359c8bcf749f01c050da0853415e1550eda
Reviewed-by: Paul Olav Tvete <paul.tvete@theqtcompany.com>
Reviewed-by: Morten Johan Sørvig <morten.sorvig@theqtcompany.com>
Liang Qi
Błażej Szczygieł
Friedemann Kleint
Venugopal Shivashankar
Alexander Volkov
Topi Reinio
Nico Vertriest
Laszlo Agocs
Friedemann Kleint
Jan Arve Saether
Simon Hausmann
Liang Qi
Marc Mutz
Dyami Caliri
Thiago Macieira
Jani Heikkinen
Sérgio Martins
Laszlo Agocs