diff options
Diffstat (limited to 'src/gui/kernel/qguiapplication.cpp')
-rw-r--r-- | src/gui/kernel/qguiapplication.cpp | 215 |
1 files changed, 164 insertions, 51 deletions
diff --git a/src/gui/kernel/qguiapplication.cpp b/src/gui/kernel/qguiapplication.cpp index 385264d70a..a79a602088 100644 --- a/src/gui/kernel/qguiapplication.cpp +++ b/src/gui/kernel/qguiapplication.cpp @@ -1,31 +1,38 @@ /**************************************************************************** ** -** Copyright (C) 2015 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ +** Copyright (C) 2016 The Qt Company Ltd. +** Copyright (C) 2016 Intel Corporation. +** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtGui module of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:LGPL21$ +** $QT_BEGIN_LICENSE:LGPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms -** and conditions see http://www.qt.io/terms-conditions. For further -** information use the contact form at http://www.qt.io/contact-us. +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 or version 3 as published by the Free -** Software Foundation and appearing in the file LICENSE.LGPLv21 and -** LICENSE.LGPLv3 included in the packaging of this file. Please review the -** following information to ensure the GNU Lesser General Public License -** requirements will be met: https://www.gnu.org/licenses/lgpl.html and -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ** -** As a special exception, The Qt Company gives you certain additional -** rights. These rights are described in The Qt Company LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** @@ -37,6 +44,7 @@ #include <qpa/qplatformintegrationfactory_p.h> #include "private/qevent_p.h" #include "qfont.h" +#include "qtouchdevice.h" #include <qpa/qplatformfontdatabase.h> #include <qpa/qplatformwindow.h> #include <qpa/qplatformnativeinterface.h> @@ -123,8 +131,6 @@ Qt::KeyboardModifiers QGuiApplicationPrivate::modifier_buttons = Qt::NoModifier; QPointF QGuiApplicationPrivate::lastCursorPosition(qInf(), qInf()); -Qt::MouseButtons QGuiApplicationPrivate::tabletState = Qt::NoButton; -QWindow *QGuiApplicationPrivate::tabletPressTarget = 0; QWindow *QGuiApplicationPrivate::currentMouseWindow = 0; QString QGuiApplicationPrivate::styleOverride; @@ -133,11 +139,17 @@ Qt::ApplicationState QGuiApplicationPrivate::applicationState = Qt::ApplicationI bool QGuiApplicationPrivate::highDpiScalingUpdated = false; +QVector<QGuiApplicationPrivate::TabletPointData> QGuiApplicationPrivate::tabletDevicePoints; + QPlatformIntegration *QGuiApplicationPrivate::platform_integration = 0; QPlatformTheme *QGuiApplicationPrivate::platform_theme = 0; QList<QObject *> QGuiApplicationPrivate::generic_plugin_list; +#ifndef QT_NO_SESSIONMANAGER +bool QGuiApplicationPrivate::is_fallback_session_management_enabled = true; +#endif + enum ApplicationResourceFlags { ApplicationPaletteExplicitlySet = 0x1, @@ -150,6 +162,7 @@ QIcon *QGuiApplicationPrivate::app_icon = 0; QString *QGuiApplicationPrivate::platform_name = 0; QString *QGuiApplicationPrivate::displayName = 0; +QString *QGuiApplicationPrivate::desktopFileName = 0; QPalette *QGuiApplicationPrivate::app_pal = 0; // default application palette @@ -614,6 +627,8 @@ QGuiApplication::~QGuiApplication() QGuiApplicationPrivate::displayName = 0; delete QGuiApplicationPrivate::m_inputDeviceManager; QGuiApplicationPrivate::m_inputDeviceManager = 0; + delete QGuiApplicationPrivate::desktopFileName; + QGuiApplicationPrivate::desktopFileName = 0; } QGuiApplicationPrivate::QGuiApplicationPrivate(int &argc, char **argv, int flags) @@ -655,6 +670,34 @@ QString QGuiApplication::applicationDisplayName() } /*! + \property QGuiApplication::desktopFileName + \brief the base name of the desktop entry for this application + \since 5.7 + + This is the file name, without the full path, of the desktop entry + that represents this application according to the freedesktop desktop + entry specification. + + This property gives a precise indication of what desktop entry represents + the application and it is needed by the windowing system to retrieve + such information without resorting to imprecise heuristics. + + The latest version of the freedesktop desktop entry specification can be obtained + \l{http://standards.freedesktop.org/desktop-entry-spec/latest/}{here}. +*/ +void QGuiApplication::setDesktopFileName(const QString &name) +{ + if (!QGuiApplicationPrivate::desktopFileName) + QGuiApplicationPrivate::desktopFileName = new QString; + *QGuiApplicationPrivate::desktopFileName = name; +} + +QString QGuiApplication::desktopFileName() +{ + return QGuiApplicationPrivate::desktopFileName ? *QGuiApplicationPrivate::desktopFileName : QString(); +} + +/*! Returns the most recently shown modal window. If no modal windows are visible, this function returns zero. @@ -683,9 +726,10 @@ static void updateBlockedStatusRecursion(QWindow *window, bool shouldBeBlocked) p->blockedByModalWindow = shouldBeBlocked; QEvent e(shouldBeBlocked ? QEvent::WindowBlocked : QEvent::WindowUnblocked); QGuiApplication::sendEvent(window, &e); - foreach (QObject *c, window->children()) + for (QObject *c : window->children()) { if (c->isWindowType()) updateBlockedStatusRecursion(static_cast<QWindow *>(c), shouldBeBlocked); + } } } @@ -954,9 +998,8 @@ qreal QGuiApplication::devicePixelRatio() const } topDevicePixelRatio = 1.0; // make sure we never return 0. - foreach (QScreen *screen, QGuiApplicationPrivate::screen_list) { + for (QScreen *screen : qAsConst(QGuiApplicationPrivate::screen_list)) topDevicePixelRatio = qMax(topDevicePixelRatio, screen->devicePixelRatio()); - } return topDevicePixelRatio; } @@ -972,7 +1015,7 @@ QWindow *QGuiApplication::topLevelAt(const QPoint &pos) QScreen *windowScreen = Q_NULLPTR; // Find the window on the primary virtual desktop first - foreach (QScreen *screen, primaryScreens) { + for (QScreen *screen : primaryScreens) { if (screen->geometry().contains(pos)) { windowScreen = screen; break; @@ -1052,9 +1095,7 @@ static void init_platform(const QString &pluginArgument, const QString &platform // Create the platform integration. QGuiApplicationPrivate::platform_integration = QPlatformIntegrationFactory::create(name, arguments, argc, argv, platformPluginPath); - if (QGuiApplicationPrivate::platform_integration) { - QGuiApplicationPrivate::platform_name = new QString(name); - } else { + if (Q_UNLIKELY(!QGuiApplicationPrivate::platform_integration)) { QStringList keys = QPlatformIntegrationFactory::keys(platformPluginPath); QString fatalMessage @@ -1074,6 +1115,8 @@ static void init_platform(const QString &pluginArgument, const QString &platform return; } + QGuiApplicationPrivate::platform_name = new QString(name); + // Many platforms have created QScreens at this point. Finish initializing // QHighDpiScaling to be prepared for early calls to qt_defaultDpi(). if (QGuiApplication::primaryScreen()) { @@ -1091,7 +1134,7 @@ static void init_platform(const QString &pluginArgument, const QString &platform // 2) Ask the platform integration for a list of theme names themeNames += QGuiApplicationPrivate::platform_integration->themeNames(); // 3) Look for a theme plugin. - foreach (const QString &themeName, themeNames) { + for (const QString &themeName : qAsConst(themeNames)) { QGuiApplicationPrivate::platform_theme = QPlatformThemeFactory::create(themeName, platformPluginPath); if (QGuiApplicationPrivate::platform_theme) break; @@ -1100,7 +1143,7 @@ static void init_platform(const QString &pluginArgument, const QString &platform // 4) If no theme plugin was found ask the platform integration to // create a theme if (!QGuiApplicationPrivate::platform_theme) { - foreach (const QString &themeName, themeNames) { + for (const QString &themeName : qAsConst(themeNames)) { QGuiApplicationPrivate::platform_theme = QGuiApplicationPrivate::platform_integration->createPlatformTheme(themeName); if (QGuiApplicationPrivate::platform_theme) break; @@ -1117,7 +1160,7 @@ static void init_platform(const QString &pluginArgument, const QString &platform // boolean 'foo' or strings: 'foo=bar' if (!arguments.isEmpty()) { if (QObject *nativeInterface = QGuiApplicationPrivate::platform_integration->nativeInterface()) { - foreach (const QString &argument, arguments) { + for (const QString &argument : qAsConst(arguments)) { const int equalsPos = argument.indexOf(QLatin1Char('=')); const QByteArray name = equalsPos != -1 ? argument.left(equalsPos).toUtf8() : argument.toUtf8(); @@ -1344,10 +1387,8 @@ void QGuiApplicationPrivate::init() // Load environment exported generic plugins QByteArray envPlugins = qgetenv("QT_QPA_GENERIC_PLUGINS"); - if (!envPlugins.isEmpty()) { - foreach (const QByteArray &plugin, envPlugins.split(',')) - pluginList << plugin; - } + if (!envPlugins.isEmpty()) + pluginList += envPlugins.split(','); if (platform_integration == 0) createPlatformIntegration(); @@ -1399,16 +1440,16 @@ void QGuiApplicationPrivate::init() if (loadTestability) { QLibrary testLib(QStringLiteral("qttestability")); - if (testLib.load()) { + if (Q_UNLIKELY(!testLib.load())) { + qCritical() << "Library qttestability load failed:" << testLib.errorString(); + } else { typedef void (*TasInitialize)(void); TasInitialize initFunction = (TasInitialize)testLib.resolve("qt_testability_init"); - if (initFunction) { - initFunction(); + if (Q_UNLIKELY(!initFunction)) { + qCritical("Library qttestability resolve failed!"); } else { - qCritical() << "Library qttestability resolve failed!"; + initFunction(); } - } else { - qCritical() << "Library qttestability load failed:" << testLib.errorString(); } } #else @@ -1565,7 +1606,7 @@ QFunctionPointer QGuiApplication::platformFunction(const QByteArray &function) { QPlatformIntegration *pi = QGuiApplicationPrivate::platformIntegration(); if (!pi) { - qWarning() << "QGuiApplication::platformFunction(): Must construct a QGuiApplication before accessing a platform function"; + qWarning("QGuiApplication::platformFunction(): Must construct a QGuiApplication before accessing a platform function"); return Q_NULLPTR; } @@ -1944,7 +1985,8 @@ void QGuiApplicationPrivate::processWheelEvent(QWindowSystemInterfacePrivate::Wh return; } - QWheelEvent ev(localPoint, globalPoint, e->pixelDelta, e->angleDelta, e->qt4Delta, e->qt4Orientation, buttons, e->modifiers, e->phase, e->source); + QWheelEvent ev(localPoint, globalPoint, e->pixelDelta, e->angleDelta, e->qt4Delta, e->qt4Orientation, + buttons, e->modifiers, e->phase, e->source, e->inverted); ev.setTimestamp(e->timestamp); QGuiApplication::sendSpontaneousEvent(window, &ev); #endif /* ifndef QT_NO_WHEELEVENT */ @@ -2200,12 +2242,26 @@ void QGuiApplicationPrivate::processFileOpenEvent(QWindowSystemInterfacePrivate: QGuiApplication::sendSpontaneousEvent(qApp, &event); } +QGuiApplicationPrivate::TabletPointData &QGuiApplicationPrivate::tabletDevicePoint(qint64 deviceId) +{ + for (int i = 0; i < tabletDevicePoints.size(); ++i) { + TabletPointData &pointData = tabletDevicePoints[i]; + if (pointData.deviceId == deviceId) + return pointData; + } + + tabletDevicePoints.append(TabletPointData(deviceId)); + return tabletDevicePoints.last(); +} + void QGuiApplicationPrivate::processTabletEvent(QWindowSystemInterfacePrivate::TabletEvent *e) { #ifndef QT_NO_TABLETEVENT + TabletPointData &pointData = tabletDevicePoint(e->uid); + QEvent::Type type = QEvent::TabletMove; - if (e->buttons != tabletState) - type = (e->buttons > tabletState) ? QEvent::TabletPress : QEvent::TabletRelease; + if (e->buttons != pointData.state) + type = (e->buttons > pointData.state) ? QEvent::TabletPress : QEvent::TabletRelease; QWindow *window = e->window.data(); modifier_buttons = e->modifiers; @@ -2221,14 +2277,14 @@ void QGuiApplicationPrivate::processTabletEvent(QWindowSystemInterfacePrivate::T } if (!window) return; - tabletPressTarget = window; + pointData.target = window; } else { if (e->nullWindow()) { - window = tabletPressTarget; + window = pointData.target; localValid = false; } if (type == QEvent::TabletRelease) - tabletPressTarget = 0; + pointData.target = Q_NULLPTR; if (!window) return; } @@ -2237,7 +2293,7 @@ void QGuiApplicationPrivate::processTabletEvent(QWindowSystemInterfacePrivate::T QPointF delta = e->global - e->global.toPoint(); local = window->mapFromGlobal(e->global.toPoint()) + delta; } - Qt::MouseButtons stateChange = e->buttons ^ tabletState; + Qt::MouseButtons stateChange = e->buttons ^ pointData.state; Qt::MouseButton button = Qt::NoButton; for (int check = Qt::LeftButton; check <= int(Qt::MaxMouseButton); check = check << 1) { if (check & stateChange) { @@ -2251,7 +2307,7 @@ void QGuiApplicationPrivate::processTabletEvent(QWindowSystemInterfacePrivate::T e->modifiers, e->uid, button, e->buttons); ev.setTimestamp(e->timestamp); QGuiApplication::sendSpontaneousEvent(window, &ev); - tabletState = e->buttons; + pointData.state = e->buttons; #else Q_UNUSED(e) #endif @@ -2263,7 +2319,7 @@ void QGuiApplicationPrivate::processTabletEnterProximityEvent(QWindowSystemInter QTabletEvent ev(QEvent::TabletEnterProximity, QPointF(), QPointF(), e->device, e->pointerType, 0, 0, 0, 0, 0, 0, - Qt::NoModifier, e->uid, Qt::NoButton, tabletState); + Qt::NoModifier, e->uid, Qt::NoButton, tabletDevicePoint(e->uid).state); ev.setTimestamp(e->timestamp); QGuiApplication::sendSpontaneousEvent(qGuiApp, &ev); #else @@ -2277,7 +2333,7 @@ void QGuiApplicationPrivate::processTabletLeaveProximityEvent(QWindowSystemInter QTabletEvent ev(QEvent::TabletLeaveProximity, QPointF(), QPointF(), e->device, e->pointerType, 0, 0, 0, 0, 0, 0, - Qt::NoModifier, e->uid, Qt::NoButton, tabletState); + Qt::NoModifier, e->uid, Qt::NoButton, tabletDevicePoint(e->uid).state); ev.setTimestamp(e->timestamp); QGuiApplication::sendSpontaneousEvent(qGuiApp, &ev); #else @@ -2668,7 +2724,8 @@ void QGuiApplicationPrivate::reportGeometryChange(QWindowSystemInterfacePrivate: emit s->availableGeometryChanged(s->availableGeometry()); if (geometryChanged || availableGeometryChanged) { - foreach (QScreen* sibling, s->virtualSiblings()) + const auto siblings = s->virtualSiblings(); + for (QScreen* sibling : siblings) emit sibling->virtualGeometryChanged(sibling->virtualGeometry()); } } @@ -3091,6 +3148,57 @@ void QGuiApplicationPrivate::setApplicationState(Qt::ApplicationState state, boo emit qApp->applicationStateChanged(applicationState); } +#ifndef QT_NO_SESSIONMANAGER +// ### Qt6: consider removing the feature or making it less intrusive +/*! + \since 5.6 + + Returns whether QGuiApplication will use fallback session management. + + The default is \c true. + + If this is \c true and the session manager allows user interaction, + QGuiApplication will try to close toplevel windows after + commitDataRequest() has been emitted. If a window cannot be closed, session + shutdown will be canceled and the application will keep running. + + Fallback session management only benefits applications that have an + "are you sure you want to close this window?" feature or other logic that + prevents closing a toplevel window depending on certain conditions, and + that do nothing to explicitly implement session management. In applications + that \e do implement session management using the proper session management + API, fallback session management interferes and may break session + management logic. + + \warning If all windows \e are closed due to fallback session management + and quitOnLastWindowClosed() is \c true, the application will quit before + it is explicitly instructed to quit through the platform's session + management protocol. That violation of protocol may prevent the platform + session manager from saving application state. + + \sa setFallbackSessionManagementEnabled(), + QSessionManager::allowsInteraction(), saveStateRequest(), + commitDataRequest(), {Session Management} +*/ +bool QGuiApplication::isFallbackSessionManagementEnabled() +{ + return QGuiApplicationPrivate::is_fallback_session_management_enabled; +} + +/*! + \since 5.6 + + Sets whether QGuiApplication will use fallback session management to + \a enabled. + + \sa isFallbackSessionManagementEnabled() +*/ +void QGuiApplication::setFallbackSessionManagementEnabled(bool enabled) +{ + QGuiApplicationPrivate::is_fallback_session_management_enabled = enabled; +} +#endif // QT_NO_SESSIONMANAGER + /*! \since 4.2 \fn void QGuiApplication::commitDataRequest(QSessionManager &manager) @@ -3115,7 +3223,8 @@ void QGuiApplicationPrivate::setApplicationState(Qt::ApplicationState state, boo \note You should use Qt::DirectConnection when connecting to this signal. - \sa isSessionRestored(), sessionId(), saveStateRequest(), {Session Management} + \sa setFallbackSessionManagementEnabled(), isSessionRestored(), + sessionId(), saveStateRequest(), {Session Management} */ /*! @@ -3245,9 +3354,13 @@ void QGuiApplicationPrivate::commitData() { Q_Q(QGuiApplication); is_saving_session = true; + emit q->commitDataRequest(*session_manager); - if (session_manager->allowsInteraction() && !tryCloseAllWindows()) + if (is_fallback_session_management_enabled && session_manager->allowsInteraction() + && !tryCloseAllWindows()) { session_manager->cancel(); + } + is_saving_session = false; } @@ -3562,7 +3675,7 @@ void QGuiApplicationPrivate::_q_updateFocusObject(QObject *object) emit q->focusObjectChanged(object); } -enum { +enum MouseMasks { MouseCapsMask = 0xFF, MouseSourceMaskDst = 0xFF00, MouseSourceMaskSrc = MouseCapsMask, |