QString::toUtf8() returns QByteArray, which got implicitly converted to
C strings and promptly deleted. Instead, return the QByteArray to the
caller.
Found by ASAN:
==13935==ERROR: AddressSanitizer: heap-use-after-free on address 0x6060000dffb8 at pc 0x7f764f27320b bp 0x7ffd49b11bb0 sp 0x7ffd49b11358
READ of size 7 at 0x6060000dffb8 thread T0
#1 0x7f7649d174e2 in g_strdup (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x684e2)
#2 0x7f763f7abe5b (/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0+0x39e5b)
#3 0x7f763f78915a in g_object_new_valist (/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0+0x1715a)
#4 0x7f763f789520 in g_object_new (/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0+0x17520)
#5 0x7f7640f6bcb0 in gtk_dialog_add_button (/usr/lib/x86_64-linux-gnu/libgtk-3.so.0+0x186cb0)
#6 0x7f7640f8d2c9 in gtk_file_chooser_dialog_new (/usr/lib/x86_64-linux-gnu/libgtk-3.so.0+0x1a82c9)
#7 0x7f7641727281 (/opt/Qt5.8.0/5.8/gcc_64/plugins/platformthemes/libqgtk3.so+0x13281)
Task-number: QTBUG-59611
Change-Id: I37cc967e689f4523b504fffd14adbf944b53b754
Reviewed-by: J-P Nurmi <jpnurmi@qt.io>
Don't cast an expiring QObject down to QWidget. Cast the QWidgets stored
internally up to QObject to perform the comparison. The result is the
same, but no invalid casts are possible anymore.
Found by independent review.
Change-Id: Iffa8a66cf5cab0270961befe982637ac8e4f0f7b
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
We don't load and save pointers usually because the pointer value cannot
be guaranteed to remain across program invocations. However, nullptr is
an exception: a null pointer is always a null pointer.
We don't actually have to read or write anything: there's only one value
possible for a std::nullptr_t and it is nullptr.
[ChangeLog][Important Behavior Changes] A QVariant containing a
std::nullptr_t is now streamable to/from QDataStream.
Task-number: QTBUG-59391
Change-Id: Iae839f6a131a4f0784bffffd14aa374f6475d283
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
QUrl::isRelative(str) would be false for such files, so first check for
file existence before doing any URL parsing.
Change-Id: I51b6229251ad94877ac408b2f8018456d3e10a36
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
When a text block is empty, and we are adding preedit text to it,
we need to merge the format of the preedit text with the current
format of the cursor, otherwise we will use a default format and
then suddenly switch to the proper one when the text is committed.
The reason this becomes a bit complex is that there are no rules
preventing someone from using several ime attributes to specify
formats for isolated parts of the text, and no rules defining the
order of such attributes. So even if the common case is one
text format attribute for the entire string, we need to make sure
we also handle the other cases gracefully, e.g. when we are setting
different formats for different substrings and then providing these
out of order. To make sure we have these corner cases covered, we
also add a set of autotests.
[ChangeLog][Qt Widgets][TextEdit] Fixed initial char format of
input method text as it is in pre-edit mode.
Task-number: QTBUG-59196
Change-Id: I1e37928e3bd1395fec1b5591908d4c69b84eb618
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
psql driver was previously using QDateTime::toString() function which is locale-depndent.
Task-number: QTBUG-59524
Change-Id: I7f50f95b5c82e66476abfee24ad28b78b3257041
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Commit e0ea0f6178 optimized QChar <->
QString(Ref) comparisons by adding more overloads to avoid creating
QStrings from QChars just to compare them.
But these new overloads made existing comparisons to QChar ambiguous.
This was known at the time for QChar/int comparisons.
It has since turned out that also comparing to '\0' is ambiguous,
ie. not comparing to int or char per se is ambiguous, but comparing to
nullptr constants is, because QString(const char*) is just as good a
candidate as QChar(char)/QChar(int).
Since we allow QString/QChar comparisons, it seems logical to solve
the problem by adding QChar<->nullptr overloads.
[ChangeLog][QtCore][QChar] Disambiguated comparisons with nullptr
constants such as '\0', which 5.8.0 broke. As a consequence,
QChar<->int comparisons are no longer deprecated, as this was a failed
attempt at fixing the ambiguity.
Change-Id: I680dd509c2286e96894e13078899dbe3b2dd83bc
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
The mmap64 functions in all Linux libc fail to properly check that the
value fits in the system call parameter. I guess the developers just
said "16 PB are enough for everyone"...
Change-Id: Ic39b2c4fd9c84522a8fafffd14ac91567ce09c09
Reviewed-by: Sami Nurmenniemi <sami.nurmenniemi@qt.io>
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
Timer IDs have been reused since Qt 4.5 or thereabouts, so just checking
if the timer ID is in the timer dictionary is an incorrect check: our
timer may have been deleted and replaced by another with the same ID.
Instead of deleting the WinTimerInfo object, let's just mark it as
unregistered by setting timerId to -1 and cooperate in deleting at the
appropriate places. Since unregisterTimer skips deleting if inTimerEvent
is true, the appropriate places are everywhere that set inTimerEvent to
true.
Change-Id: I057e93314e41372ae7a5ff93c467767c8a6d92ea
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Reviewed-by: Oliver Wolff <oliver.wolff@qt.io>
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
Much simpler, no memory allocation, no locking.
Change-Id: Iae839f6a131a4f0784bffffd14a9e70c7b62d9a7
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
the View's position and metrics are in pixels, not points
Change-Id: I285d5378db98187f54019bff9b8a1cde05dc3b35
Reviewed-by: BogDan Vatra <bogdan@kdab.com>
QWindow::setVisible calls QWindowPrivate::applyCursor without checking
if screen() returns null. This patch adds a check in QWindowPrivate::applyCursor
that the screen is not null. Now that it is tested there, no need to test
it from the other caller (setCursor)
This patch should not change behavior of setCursor at all, it should only
fix the crash when coming from setVisible
Task-number: QTBUG-59528
Change-Id: I06bbdb4e04c02ac840ba637242d1f2cfde5bdd62
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
The constructor is not only disabled under QT_NO_CAST_FROM_ASCII,
but also under QT_RESTRICTED_CAST_FROM_ASCII.
Change-Id: I7bbaf2891913d5256dff7f80c49075ea3326155a
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
- recursion is not needed for walking up the parent chain;
- use camel-case, modal_window -> modalWindow;
Change-Id: I4b7697f2388fd16f11be67ba475bd63ad249d89e
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
Made change to clear the hover index when the mouse leaves the widget.
This will ensure the component does not think the item still has the
mouse over it.
Task-number: QTBUG-46785
Change-Id: I34b7f0e171e9cf07ca23150af1b0e6e59a10a58a
Reviewed-by: David Faure <david.faure@kdab.com>
Cross-compilation on linux with mingw-w64 failed, since it provides
all libraries in lowercase name.
Change-Id: I8e82a4504d4ec9d3047af6b1d6a11945754f182d
Reviewed-by: Oliver Wolff <oliver.wolff@qt.io>
This corrects an issue where the file system paths returned for some
QStandardPaths values on Apple Platforms would be URL encoded, for
example having %20 instead of an actual space character.
Task-number: QTBUG-59389
Change-Id: I771a44eb20b756842c324ac6fc9bdc475ce84826
Reviewed-by: David Faure <david.faure@kdab.com>
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>
Reviewed-by: Gabriel de Dietrich <gabriel.dedietrich@qt.io>
Stale Lock files in the future can happen in some situations. For exemple
two computers with different clocks access the same file system. It could
be that one of the timestamp is totaly off (several years into the future).
[ChangeLog][QtCore][QLockFile] Fixed a deadlock occurring if a corrupted
lock file's modification time is in the future.
Change-Id: I8dac98a0e898c76bcef67f8c195e126c996b6add
Reviewed-by: David Faure <david.faure@kdab.com>
Makes sure we don't use backslashes on Windows systems, which could lead
to the following warnings being emitted:
In file included from main.cpp:43:0:
repparser.h:2:10: warning: unknown escape sequence: '\.'
#line 57 "..\..\src\repparser\parser.g"
caused by lines like
#line 57 "..\..\src\\repparser\parser.g"
Change-Id: I6cfe0e39a2a58eb39f9d385ece30374bcfa09e05
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Brett Stottlemyer <bstottle@ford.com>
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>
GCC 4.8 seems to get the failure memory order wrong when using the
overload that only accepts one memory order and produces errors such
as:
bits/atomic_base.h:577:70: error: failure memory model cannot be stronger than success memory model for '__atomic_compare_exchange'
return __atomic_compare_exchange_n(&_M_i, &__i1, __i2, 0, __m1, __m2);
^
(as seen on Android).
Fix by explicitly passing the failure orders corresponding to the
success orders, as specified by the standard:
relaxed → relaxed
release → relaxed
acquire → acquire
acq_rel → acquire
(cf. http://en.cppreference.com/w/cpp/atomic/atomic/compare_exchange).
Task-number: QTBUG-59399
Change-Id: If046e735888cf331d2d6506d8d5ca9aa7402f9ad
Reviewed-by: David Faure <david.faure@kdab.com>
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
If a later month-or-day were to have a name that's a prefix of an
earlier one's name, the code would have selected the longer name as
best match when the text matched is the shorter name, simply because
it found that one first. (Found, on Turkish Cuma(rtesi)? in Thiago's
recent new test, by reversing the loop that iterated the list.)
Make an exact match win and a match of a full name beat any prefix
match of the same length.
Change-Id: I8d954b83ccc25e4f47af2e558036d714685cef5e
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Decouple from the callers' offset into a larger list; just search for
an entry in a list, let the caller deal with the offset. Also, defer
a .tolower() to save the need to allocate a copy of each list entry.
Change-Id: I748d5214c2cc6dc592fe2bd41e3f8150f71c335b
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Since QPrinter can be used to write to PDF and this was working in
previous versions, there is no reason not to enable it here.
Task-number: QTBUG-58376
Change-Id: I5760b74881995679e8df657b7d770bba00a33551
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>
Simplifies everything and avoids bugfixes in one not propagating to the
other.
Change-Id: I95c9e502ccc74af3bcf0fffd14a69f0cde60cc8c
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Both SPDY and HTTP/2 work with a single qhttpnetworkchannel (and this means one
socket per qhttpnetworkconnection). Normally, HTTP/1.1 connection is using up to 6
channels/sockets though. At the moment a failure to negotiate SPDY/HTTP/2 leaves us
with a downgraded HTTP/1.1 connection (with only one channel vs. default 6).
Since we initialize channels (and establish connections) in a 'lazy' manner
it's ok to pre-allocate all 6 channels and then either use 1 (if SPDY/HTTP/2
indeed was negotiated) or switch back to 6 in case of failure.
Change-Id: Ia6c3061463c4d634aaed05ce0dde47bfb5e24dd8
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>
Some were 5s, others 1s. Pick one (the higher).
Change-Id: I81929d4f49c2e41b4d4b75c3e2bf8ff75af868ad
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
By default, it enabled only for Gnome
Task-number: QTBUG-59298
Change-Id: Ib44f52b3175ed1904f24ec9e21f00ea3f3334287
Reviewed-by: J-P Nurmi <jpnurmi@qt.io>
When the insertion into the cache fails then it will delete the entry
for us which already calls releaseKey(). So we should not call it a
second time.
Task-number: QTBUG-58259
Change-Id: I816c6f29ef97fe3a245f145c4faf1e0649f72dc5
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
ResultStore never actually exists, only ResutStoreBase does. So casting to
ResultStore<T> and calling its member functions is UB. Put the type dependent
function as template member functions within ResultStoreBase and so we don't
need QtPrivate::ResultStore anymore.
Same goes for the iterator.
Change-Id: I739b9d234ba2238977863df77fde3a4471a9abd2
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
For the windows file system engine, we add an extra macro to use
library loading if configured to do so, but avoid it on WinRT, as
none of the symbols would be found.
We also QT_REQUIRE_CONFIG(library) in the library headers and
exclude the sources from the build if library loading is disabled.
This, in turn, makes it necessary to clean up some header inclusions.
Change-Id: I2b152cb5b47a2658996b6f4702b038536a5704ec
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>
On some stupid systems, execve() may clear the handler but not clear
the SA_SIGINFO flag.
This change now requires that sa_handler and sa_sigaction be in a union
together. We can't operate otherwise.
Task-number: QTBUG-59246
Change-Id: I33850dcdb2ce4a47878efffd14a84b48a8f6b1e8
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
QLocale::matchingLocales() simply created each locale using the basic
data, without (unless the matching conditions stipulated Language C)
applying number-options hacks that it applies everywhere else, when
creating the C locale. Thus the C locale in its returned list (if it
wasn't the only entry) ended up with the default number options,
without omiting separators in numbers. Thus QLocale::c() didn't
actually appear as an entry in the list. Discovered while
investigating QTBUG-58947.
Added a dumb autotest that checks various ways of getting the C locale
do actually give us equal locale objects. Fixed matchingLocales() to
apply the same hack as is used elsewhere for the C locale.
Change-Id: I263f31da623052b63171f5b5a83c65802383df21
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
On a multi-display system wide submenu might either appear on wrong
screen or not appear at all (depending on the specific display
configuration).
Task-number: QTBUG-56917
Change-Id: I40013b0bee340a01ae1c08a5e074afa63da4dbfd
Reviewed-by: Gabriel de Dietrich <gabriel.dedietrich@qt.io>
Reviewed-by: Błażej Szczygieł <spaz16@wp.pl>
This patch fixes 2 issues related to wide menus:
1) Menu took on full screen height when menu width was larger than
screen width;
2) On a multi-display system wide menu might appear on wrong monitor
(not the one where show event was triggered).
The idea is we limit parent menu and all its submenus within the screen
where it was opened.
Note that this patch fixes only geometry-related issues and there are
also some style flaws which need to be addressed (for example, currently
the text does not elide if it doesn’t fit to the menu’s width).
Task-number: QTBUG-56917
Change-Id: I7e9ff4a48bf03060d76e34d33a13ad6cc890c133
Reviewed-by: Gabriel de Dietrich <gabriel.dedietrich@qt.io>
This fixes compiling an application using QVector and -Wshorten-64-to-32
on a 64-bit system without getting this warning:
... 5.8/clang_64/lib/QtCore.framework/Headers/qvector.h:695:18:
warning: implicit conversion loses integer precision: 'typename
iterator_traits<QString *>::difference_type' (aka 'long') to 'int'
[-Wshorten-64-to-32]
int offset = std::distance(d->begin(), before);
~~~~~~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
... 5.8/clang_64/lib/QtCore.framework/Headers/qvector.h:731:35:
warning: implicit conversion loses integer precision: 'long' to
'const int' [-Wshorten-64-to-32]
const int itemsToErase = aend - abegin;
~~~~~~~~~~~~ ~~~~~^~~~~~~~
... 5.8/clang_64/lib/QtCore.framework/Headers/qvector.h:740:39:
warning: implicit conversion loses integer precision: 'long' to
'const int' [-Wshorten-64-to-32]
const int itemsUntouched = abegin - d->begin();
~~~~~~~~~~~~~~ ~~~~~~~^~~~~~~~~~~~
Change-Id: I52d85908f4aac20c7e9ac8063ac760ce52f85541
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
We might get there because 'wid' is already partially deleted (called
from ~QObject). In that case, it is an undefined behavior to call a
QWidget member function on it. Use QObjectPrivate::get instead.
Change-Id: I6da314bf8385684d1332aa031a2d92012941303b
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
As the destroyed() signal is emitted from ~QObject, it is not allowed
to use static_cast to a QAbstractButton on that pointer anymore.
And the qobject_cast will also fail which will keep a dangling pointer
in the hash.
Change-Id: If0d22fcc30cde87e771e70914c3afb04ea207289
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
In fe97ecf408 we added support for
arbitrarily sized glyphs, since there is no guarantee that a glyph
will fit inside the em square. There was, however, a hardcoded max
size in the distance field generator, so for very tall glyphs we
could potentially get a crash.
[ChangeLog][QtGui][Text] Fixed crash for very tall glyphs
Task-number: QTBUG-57241
Change-Id: Id95c0f10d82a1294f7e7a51ac32e88a5a2e0a790
Reviewed-by: Yoann Lopes <yoann.lopes@qt.io>
Reviewed-by: Konstantin Ritt <ritt.ks@gmail.com>
This fixes the following Valgrind warning:
"Syscall param writev(vector[...]) points to uninitialised byte(s)
Uninitialised value was created by a stack allocation"
The xcb_send_event() requires all events to have 32 bytes.
It calls memcpy() on the passed in event. If the passed in
event is less than 32 bytes, memcpy() reaches into unrelated
memory. And as it turns out, this behavior is actually
described in the xcb_send_event function's documentation.
This patch adds a macro that declares an event for safe
usage with xcb_send_event.
Change-Id: Ifcaab5e9a3b52b7f64ac930b423e0c7798bbfedb
Done-with: Uli Schlachter
Task-number: QTBUG-56518
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
This fixes compiling an application using QList and -Wshorten-64-to-32
on a 64-bit system without getting this warning:
... 5.8/clang_64/lib/QtCore.framework/Headers/qlist.h:897:26:
warning: implicit conversion loses integer precision: 'long' to 'int'
[-Wshorten-64-to-32]
int removedCount = e - n;
~~~~~~~~~~~~ ~~^~~
Change-Id: I688ed086805c431821c2ee6078fa5aeb631e7a07
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Thiago Macieira
Marc Mutz
David Faure
Eskil Abrahamsen Blomfeldt
Michael Jabbour
Daiwei Li
Peter Seiderer
Konstantin Ritt
Olivier Goffart
Gatis Paeglis
Dan Cape
Samuli Piippo
Jake Petroules
Kevin Funk
Edward Welbourne
Andy Shaw
Timur Pocheptsov
Nikita Krupenko
Oswald Buddenhagen
Ulf Hermann
Oleg Yadrov
Stig Bjørlykke
Jason Erb
Jesus Fernandez