| Commit message (Collapse) | Author | Age | Files | Lines |
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... 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.
Change-Id: I457942159015ff153bdfc6d5f031a3f0a0f6e9ac
Reviewed-by: Gunnar Sletta <gunnar@sletta.org>
Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
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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>
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Change-Id: I4fa57279b23911893a615fe8a3ce9854d0fec971
Reviewed-by: Topi Reiniö <topi.reinio@theqtcompany.com>
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Expand section on coordinate systems. Document the
AA_EnableHighDpiScaling / AA_DisableHighDpiScaling
flags added in commit add58ed. Add some notes for
platform plugin work.
Change-Id: Ie6fe2d818a88ba784c0ee675fabbd3fc04d64bf1
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>
Reviewed-by: Morten Johan Sørvig <morten.sorvig@theqtcompany.com>
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This information is already registered by the QMessageLogger ctor.
Where, by dropping the << Q_FUNC_INFO in ostream-style qDebug(), only
a string literal remained, converted to printf-style qDebug() on the
go.
Change-Id: I3f261c98fd7bcfa1fead381a75a82713bb75e6f3
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
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Make it possible to enable and disable both at the
environment variable level and at the source code
level. This applies to scaling done by Qt using display
density information provided by the operating system.
Disabling is done with a 'veto' system: both the environment
and source code my prevent the other for enabling
scaling. This covers use cases of 'my system does not
provide correct display metrics' and 'my application
needs access to display pixels', respectively.
On the environment, scaling is now enabled with
QT_AUTO_SCREEN_SCALE_FACTOR=1 and disabled with
QT_AUTO_SCREEN_SCALE_FACTOR=0. In source code the
corresponding application attributes are AA_EnableHighDpiScaling
and AA_DisapleHighDpiScaling. Not setting any of these
indicates 'no preference'.
The global scale factor set by QT_SCALE_FACTOR is
not affected by any if the disablers.
Task-number: QTBUG-46615
Change-Id: If18607d4b56ace1914a710e5aa60b2f0968e0010
Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
Reviewed-by: Paul Olav Tvete <paul.tvete@theqtcompany.com>
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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>
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Even if QHighDpiScaling::isActive() returns false, there
is a small overhead from calling functions and multiplying
with 1.0. This change adds a QT_NO_HIGHDPISCALING #ifdef
that replaces all conversion functions with empty inline
functions.
Task-number: QTBUG-46615
Change-Id: Idf85e1700e3adf7f7174c6fa3f5e1d006d74c826
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@theqtcompany.com>
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Add a coordinate scaling layer to QtGui, which supports 'devicePixelRatio'
type high-dpi on all platforms, in production and also for
development and testing purposes.
High-DPI scaling is opt-in, by setting environment variables:
QT_SCALE_FACTOR - sets a global scale factor
QT_AUTO_SCREEN_SCALE_FACTOR - sets per-screen scale factors,
where the scale factors are provided by the platform plugin.
This QtGui scaling can be used instead of or in addition to scaling
done by the window system. This distinction is not visible to
applications [when they use Qt API], which will see a change in
the value returned by the devicePixelRatio() accessors as usual.
Introduce a new (private to Qt) coordinate system: native pixels.
The coordinate system stack now looks like:
device-independent pixels (app, upper parts of Qt)
native pixels (lower parts of Qt Gui, platform plugins)
device pixels (backing stores and OpenGL)
Add private QHighDpi namespace with scaling functions that convert
between device-independent pixels and native pixels:
T toNativePixels(T, QWindow *);
T fromNativePixels(T, QWindow *);
Add scaling calls the QWindow (and friends) cross-platform implementation,
around the calls to QPlatformWindow functions. QPlatformWindow now uses
native coordinates - platform code remains largely unchanged since native
coordinates are window system coordinates.
QWindow now uses (possibly) scaled coordinates. This means that
platform plugins no longer can rely on QWindow::geometry() and
related functions. QPlatformWindow::windowGeometry() and other
convenience functions have been added for use when the platform
plugin needs to convert scaled geometry to native geometry.
Add Qt::AA_NoHighDpiScaling, which can be use to disable any
scaling in QtGui, effectively ignoring the environment variables.
(Note that this does not disable any scaling done by the window
system.)
Contributions from Friedemann and Paul.
Task-number: QTBUG-46615
Change-Id: I673bbd69c130e73b13cce83be11bfb28f580bf60
Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
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