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| 1 | /**************************************************************************** | - |
| 2 | ** | - |
| 3 | ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). | - |
| 4 | ** Contact: http://www.qt-project.org/legal | - |
| 5 | ** | - |
| 6 | ** This file is part of the QtGui module of the Qt Toolkit. | - |
| 7 | ** | - |
| 8 | ** $QT_BEGIN_LICENSE:LGPL$ | - |
| 9 | ** Commercial License Usage | - |
| 10 | ** Licensees holding valid commercial Qt licenses may use this file in | - |
| 11 | ** accordance with the commercial license agreement provided with the | - |
| 12 | ** Software or, alternatively, in accordance with the terms contained in | - |
| 13 | ** a written agreement between you and Digia. For licensing terms and | - |
| 14 | ** conditions see http://qt.digia.com/licensing. For further information | - |
| 15 | ** use the contact form at http://qt.digia.com/contact-us. | - |
| 16 | ** | - |
| 17 | ** GNU Lesser General Public License Usage | - |
| 18 | ** Alternatively, this file may be used under the terms of the GNU Lesser | - |
| 19 | ** General Public License version 2.1 as published by the Free Software | - |
| 20 | ** Foundation and appearing in the file LICENSE.LGPL included in the | - |
| 21 | ** packaging of this file. Please review the following information to | - |
| 22 | ** ensure the GNU Lesser General Public License version 2.1 requirements | - |
| 23 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | - |
| 24 | ** | - |
| 25 | ** In addition, as a special exception, Digia gives you certain additional | - |
| 26 | ** rights. These rights are described in the Digia Qt LGPL Exception | - |
| 27 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | - |
| 28 | ** | - |
| 29 | ** GNU General Public License Usage | - |
| 30 | ** Alternatively, this file may be used under the terms of the GNU | - |
| 31 | ** General Public License version 3.0 as published by the Free Software | - |
| 32 | ** Foundation and appearing in the file LICENSE.GPL included in the | - |
| 33 | ** packaging of this file. Please review the following information to | - |
| 34 | ** ensure the GNU General Public License version 3.0 requirements will be | - |
| 35 | ** met: http://www.gnu.org/copyleft/gpl.html. | - |
| 36 | ** | - |
| 37 | ** | - |
| 38 | ** $QT_END_LICENSE$ | - |
| 39 | ** | - |
| 40 | ****************************************************************************/ | - |
| 41 | | - |
| 42 | #include "qplatformintegration.h" | - |
| 43 | | - |
| 44 | #include <qpa/qplatformfontdatabase.h> | - |
| 45 | #include <qpa/qplatformclipboard.h> | - |
| 46 | #include <qpa/qplatformaccessibility.h> | - |
| 47 | #include <qpa/qplatformtheme.h> | - |
| 48 | #include <QtGui/private/qguiapplication_p.h> | - |
| 49 | #include <QtGui/private/qpixmap_raster_p.h> | - |
| 50 | #include <qpa/qplatformscreen_p.h> | - |
| 51 | #include <private/qdnd_p.h> | - |
| 52 | | - |
| 53 | QT_BEGIN_NAMESPACE | - |
| 54 | | - |
| 55 | /*! | - |
| 56 | Accessor for the platform integration's fontdatabase. | - |
| 57 | | - |
| 58 | Default implementation returns a default QPlatformFontDatabase. | - |
| 59 | | - |
| 60 | \sa QPlatformFontDatabase | - |
| 61 | */ | - |
| 62 | QPlatformFontDatabase *QPlatformIntegration::fontDatabase() const | - |
| 63 | { | - |
| 64 | static QPlatformFontDatabase *db = 0; | - |
| 65 | if (!db) { | 0 |
| 66 | db = new QPlatformFontDatabase; never executed (the execution status of this line is deduced): db = new QPlatformFontDatabase; | - |
| 67 | } | 0 |
| 68 | return db; never executed: return db; | 0 |
| 69 | } | - |
| 70 | | - |
| 71 | /*! | - |
| 72 | Accessor for the platform integration's clipboard. | - |
| 73 | | - |
| 74 | Default implementation returns a default QPlatformClipboard. | - |
| 75 | | - |
| 76 | \sa QPlatformClipboard | - |
| 77 | | - |
| 78 | */ | - |
| 79 | | - |
| 80 | #ifndef QT_NO_CLIPBOARD | - |
| 81 | | - |
| 82 | QPlatformClipboard *QPlatformIntegration::clipboard() const | - |
| 83 | { | - |
| 84 | static QPlatformClipboard *clipboard = 0; | - |
| 85 | if (!clipboard) { never evaluated: !clipboard | 0 |
| 86 | clipboard = new QPlatformClipboard; never executed (the execution status of this line is deduced): clipboard = new QPlatformClipboard; | - |
| 87 | } | 0 |
| 88 | return clipboard; never executed: return clipboard; | 0 |
| 89 | } | - |
| 90 | | - |
| 91 | #endif | - |
| 92 | | - |
| 93 | #ifndef QT_NO_DRAGANDDROP | - |
| 94 | /*! | - |
| 95 | Accessor for the platform integration's drag object. | - |
| 96 | | - |
| 97 | Default implementation returns 0, implying no drag and drop support. | - |
| 98 | | - |
| 99 | */ | - |
| 100 | QPlatformDrag *QPlatformIntegration::drag() const | - |
| 101 | { | - |
| 102 | return 0; never executed: return 0; | 0 |
| 103 | } | - |
| 104 | #endif | - |
| 105 | | - |
| 106 | QPlatformNativeInterface * QPlatformIntegration::nativeInterface() const | - |
| 107 | { | - |
| 108 | return 0; never executed: return 0; | 0 |
| 109 | } | - |
| 110 | | - |
| 111 | QPlatformServices *QPlatformIntegration::services() const | - |
| 112 | { | - |
| 113 | return 0; never executed: return 0; | 0 |
| 114 | } | - |
| 115 | | - |
| 116 | /*! | - |
| 117 | \class QPlatformIntegration | - |
| 118 | \since 4.8 | - |
| 119 | \internal | - |
| 120 | \preliminary | - |
| 121 | \ingroup qpa | - |
| 122 | \brief The QPlatformIntegration class is the entry for WindowSystem specific functionality. | - |
| 123 | | - |
| 124 | QPlatformIntegration is the single entry point for windowsystem specific functionality when | - |
| 125 | using the QPA platform. It has factory functions for creating platform specific pixmaps and | - |
| 126 | windows. The class also controls the font subsystem. | - |
| 127 | | - |
| 128 | QPlatformIntegration is a singleton class which gets instantiated in the QGuiApplication | - |
| 129 | constructor. The QPlatformIntegration instance do not have ownership of objects it creates in | - |
| 130 | functions where the name starts with create. However, functions which don't have a name | - |
| 131 | starting with create acts as accessors to member variables. | - |
| 132 | | - |
| 133 | It is not trivial to create or build a platform plugin outside of the Qt source tree. Therefore | - |
| 134 | the recommended approach for making new platform plugin is to copy an existing plugin inside | - |
| 135 | the QTSRCTREE/src/plugins/platform and develop the plugin inside the source tree. | - |
| 136 | | - |
| 137 | The minimal platform integration is the smallest platform integration it is possible to make, | - |
| 138 | which makes it an ideal starting point for new plugins. For a slightly more advanced plugin, | - |
| 139 | consider reviewing the directfb plugin, or the testlite plugin. | - |
| 140 | */ | - |
| 141 | | - |
| 142 | /*! | - |
| 143 | \fn QPlatformPixmap *QPlatformIntegration::createPlatformPixmap(QPlatformPixmap::PixelType type) const | - |
| 144 | | - |
| 145 | Factory function for QPlatformPixmap. PixelType can be either PixmapType or BitmapType. | - |
| 146 | \sa QPlatformPixmap | - |
| 147 | */ | - |
| 148 | | - |
| 149 | /*! | - |
| 150 | \fn QPlatformWindow *QPlatformIntegration::createPlatformWindow(QWindow *window) const | - |
| 151 | | - |
| 152 | Factory function for QPlatformWindow. The \a window parameter is a pointer to the top level | - |
| 153 | window which the QPlatformWindow is supposed to be created for. | - |
| 154 | | - |
| 155 | All top level windows have to have a QPlatformWindow, and it will be created when the | - |
| 156 | QPlatformWindow is set to be visible for the first time. If the top level window's flags are | - |
| 157 | changed, or if the top level window's QPlatformWindowFormat is changed, then the top level | - |
| 158 | window's QPlatformWindow is deleted and a new one is created. | - |
| 159 | | - |
| 160 | In the constructor, of the QPlatformWindow, the window flags, state, title and geometry | - |
| 161 | of the \a window should be applied to the underlying window. If the resulting flags or state | - |
| 162 | differs, the resulting values should be set on the \a window using QWindow::setWindowFlags() | - |
| 163 | or QWindow::setWindowState(), respectively. | - |
| 164 | | - |
| 165 | \sa QPlatformWindow, QPlatformWindowFormat | - |
| 166 | \sa createPlatformBackingStore() | - |
| 167 | */ | - |
| 168 | | - |
| 169 | /*! | - |
| 170 | \fn QPlatformBackingStore *QPlatformIntegration::createPlatformBackingStore(QWindow *window) const | - |
| 171 | | - |
| 172 | Factory function for QPlatformBackingStore. The QWindow parameter is a pointer to the | - |
| 173 | top level widget(tlw) the window surface is created for. A QPlatformWindow is always created | - |
| 174 | before the QPlatformBackingStore for tlw where the widget also requires a backing store. | - |
| 175 | | - |
| 176 | \sa QBackingStore | - |
| 177 | \sa createPlatformWindow() | - |
| 178 | */ | - |
| 179 | | - |
| 180 | /*! | - |
| 181 | \enum QPlatformIntegration::Capability | - |
| 182 | | - |
| 183 | Capabilities are used to determing specific features of a platform integration | - |
| 184 | | - |
| 185 | \value ThreadedPixmaps The platform uses a pixmap implementation that is reentrant | - |
| 186 | and can be used from multiple threads, like the raster paint engine and QImage based | - |
| 187 | pixmaps. | - |
| 188 | | - |
| 189 | \value OpenGL The platform supports OpenGL | - |
| 190 | | - |
| 191 | \value ThreadedOpenGL The platform supports using OpenGL outside the GUI thread. | - |
| 192 | | - |
| 193 | \value SharedGraphicsCache The platform supports a shared graphics cache | - |
| 194 | | - |
| 195 | \value BufferQueueingOpenGL The OpenGL implementation on the platform will queue | - |
| 196 | up buffers when swapBuffers() is called and block only when its buffer pipeline | - |
| 197 | is full, rather than block immediately. | - |
| 198 | | - |
| 199 | \value MultipleWindows The platform supports multiple QWindows, i.e. does some kind | - |
| 200 | of compositing either client or server side. Some platforms might only support a | - |
| 201 | single fullscreen window. | - |
| 202 | */ | - |
| 203 | | - |
| 204 | | - |
| 205 | /*! | - |
| 206 | | - |
| 207 | \fn QAbstractEventDispatcher *QPlatformIntegration::guiThreadEventDispatcher() const = 0 | - |
| 208 | | - |
| 209 | Accessor function for the event dispatcher. The platform plugin should create | - |
| 210 | an instance of the QAbstractEventDispatcher in its constructor and set it | - |
| 211 | on the application using QGuiApplicationPrivate::instance()->setEventDispatcher(). | - |
| 212 | The event dispatcher is owned by QGuiApplication, the accessor should return | - |
| 213 | a flat pointer. | - |
| 214 | \sa QGuiApplicationPrivate | - |
| 215 | */ | - |
| 216 | | - |
| 217 | bool QPlatformIntegration::hasCapability(Capability cap) const | - |
| 218 | { | - |
| 219 | Q_UNUSED(cap); never executed (the execution status of this line is deduced): (void)cap;; | - |
| 220 | return false; never executed: return false; | 0 |
| 221 | } | - |
| 222 | | - |
| 223 | QPlatformPixmap *QPlatformIntegration::createPlatformPixmap(QPlatformPixmap::PixelType type) const | - |
| 224 | { | - |
| 225 | return new QRasterPlatformPixmap(type); executed: return new QRasterPlatformPixmap(type);Execution Count:4952 | 4952 |
| 226 | } | - |
| 227 | | - |
| 228 | #ifndef QT_NO_OPENGL | - |
| 229 | QPlatformOpenGLContext *QPlatformIntegration::createPlatformOpenGLContext(QOpenGLContext *context) const | - |
| 230 | { | - |
| 231 | Q_UNUSED(context); never executed (the execution status of this line is deduced): (void)context;; | - |
| 232 | qWarning("This plugin does not support createPlatformOpenGLContext!"); never executed (the execution status of this line is deduced): QMessageLogger("kernel/qplatformintegration.cpp", 232, __PRETTY_FUNCTION__).warning("This plugin does not support createPlatformOpenGLContext!"); | - |
| 233 | return 0; never executed: return 0; | 0 |
| 234 | } | - |
| 235 | #endif | - |
| 236 | | - |
| 237 | /*! | - |
| 238 | Factory function for QPlatformSharedGraphicsCache. This function will return 0 if the platform | - |
| 239 | integration does not support any shared graphics cache mechanism for the given \a cacheId. | - |
| 240 | */ | - |
| 241 | QPlatformSharedGraphicsCache *QPlatformIntegration::createPlatformSharedGraphicsCache(const char *cacheId) const | - |
| 242 | { | - |
| 243 | qWarning("This plugin does not support createPlatformSharedGraphicsBuffer for cacheId: %s!", never executed (the execution status of this line is deduced): QMessageLogger("kernel/qplatformintegration.cpp", 243, __PRETTY_FUNCTION__).warning("This plugin does not support createPlatformSharedGraphicsBuffer for cacheId: %s!", | - |
| 244 | cacheId); never executed (the execution status of this line is deduced): cacheId); | - |
| 245 | return 0; never executed: return 0; | 0 |
| 246 | } | - |
| 247 | | - |
| 248 | /*! | - |
| 249 | Factory function for QPaintEngine. This function will return 0 if the platform | - |
| 250 | integration does not support creating any paint engine the given \a paintDevice. | - |
| 251 | */ | - |
| 252 | QPaintEngine *QPlatformIntegration::createImagePaintEngine(QPaintDevice *paintDevice) const | - |
| 253 | { | - |
| 254 | Q_UNUSED(paintDevice) executed (the execution status of this line is deduced): (void)paintDevice; | - |
| 255 | return 0; executed: return 0;Execution Count:5525 | 5525 |
| 256 | } | - |
| 257 | | - |
| 258 | /*! | - |
| 259 | Returns the platforms input context. | - |
| 260 | | - |
| 261 | The default implementation returns 0, implying no input method support. | - |
| 262 | */ | - |
| 263 | QPlatformInputContext *QPlatformIntegration::inputContext() const | - |
| 264 | { | - |
| 265 | return 0; never executed: return 0; | 0 |
| 266 | } | - |
| 267 | | - |
| 268 | #ifndef QT_NO_ACCESSIBILITY | - |
| 269 | | - |
| 270 | /*! | - |
| 271 | Returns the platforms accessibility. | - |
| 272 | | - |
| 273 | The default implementation returns 0, implying no accessibility support. | - |
| 274 | */ | - |
| 275 | QPlatformAccessibility *QPlatformIntegration::accessibility() const | - |
| 276 | { | - |
| 277 | return 0; never executed: return 0; | 0 |
| 278 | } | - |
| 279 | | - |
| 280 | #endif | - |
| 281 | | - |
| 282 | QVariant QPlatformIntegration::styleHint(StyleHint hint) const | - |
| 283 | { | - |
| 284 | switch (hint) { | - |
| 285 | case CursorFlashTime: | - |
| 286 | return QPlatformTheme::defaultThemeHint(QPlatformTheme::CursorFlashTime); never executed: return QPlatformTheme::defaultThemeHint(QPlatformTheme::CursorFlashTime); | 0 |
| 287 | case KeyboardInputInterval: | - |
| 288 | return QPlatformTheme::defaultThemeHint(QPlatformTheme::KeyboardInputInterval); never executed: return QPlatformTheme::defaultThemeHint(QPlatformTheme::KeyboardInputInterval); | 0 |
| 289 | case KeyboardAutoRepeatRate: | - |
| 290 | return QPlatformTheme::defaultThemeHint(QPlatformTheme::KeyboardAutoRepeatRate); never executed: return QPlatformTheme::defaultThemeHint(QPlatformTheme::KeyboardAutoRepeatRate); | 0 |
| 291 | case MouseDoubleClickInterval: | - |
| 292 | return QPlatformTheme::defaultThemeHint(QPlatformTheme::MouseDoubleClickInterval); never executed: return QPlatformTheme::defaultThemeHint(QPlatformTheme::MouseDoubleClickInterval); | 0 |
| 293 | case StartDragDistance: | - |
| 294 | return QPlatformTheme::defaultThemeHint(QPlatformTheme::StartDragDistance); never executed: return QPlatformTheme::defaultThemeHint(QPlatformTheme::StartDragDistance); | 0 |
| 295 | case StartDragTime: | - |
| 296 | return QPlatformTheme::defaultThemeHint(QPlatformTheme::StartDragTime); never executed: return QPlatformTheme::defaultThemeHint(QPlatformTheme::StartDragTime); | 0 |
| 297 | case ShowIsFullScreen: | - |
| 298 | return false; executed: return false;Execution Count:2867 | 2867 |
| 299 | case PasswordMaskDelay: | - |
| 300 | return QPlatformTheme::defaultThemeHint(QPlatformTheme::PasswordMaskDelay); never executed: return QPlatformTheme::defaultThemeHint(QPlatformTheme::PasswordMaskDelay); | 0 |
| 301 | case FontSmoothingGamma: | - |
| 302 | return qreal(1.7); executed: return qreal(1.7);Execution Count:289 | 289 |
| 303 | case StartDragVelocity: | - |
| 304 | return QPlatformTheme::defaultThemeHint(QPlatformTheme::StartDragVelocity); never executed: return QPlatformTheme::defaultThemeHint(QPlatformTheme::StartDragVelocity); | 0 |
| 305 | case UseRtlExtensions: | - |
| 306 | return QVariant(false); executed: return QVariant(false);Execution Count:2 | 2 |
| 307 | case SynthesizeMouseFromTouchEvents: | - |
| 308 | return true; executed: return true;Execution Count:22 | 22 |
| 309 | } | - |
| 310 | | - |
| 311 | return 0; never executed: return 0; | 0 |
| 312 | } | - |
| 313 | | - |
| 314 | Qt::KeyboardModifiers QPlatformIntegration::queryKeyboardModifiers() const | - |
| 315 | { | - |
| 316 | return QGuiApplication::keyboardModifiers(); never executed: return QGuiApplication::keyboardModifiers(); | 0 |
| 317 | } | - |
| 318 | | - |
| 319 | /*! | - |
| 320 | Should be used to obtain a list of possible shortcuts for the given key | - |
| 321 | event. As that needs system functionality it cannot be done in qkeymapper. | - |
| 322 | | - |
| 323 | One example for more than 1 possibility is the key combination of Shift+5. | - |
| 324 | That one might trigger a shortcut which is set as "Shift+5" as well as one | - |
| 325 | using %. These combinations depend on the currently set keyboard layout | - |
| 326 | which cannot be obtained by Qt functionality. | - |
| 327 | */ | - |
| 328 | QList<int> QPlatformIntegration::possibleKeys(const QKeyEvent *) const | - |
| 329 | { | - |
| 330 | return QList<int>(); never executed: return QList<int>(); | 0 |
| 331 | } | - |
| 332 | | - |
| 333 | /*! | - |
| 334 | Should be called by the implementation whenever a new screen is added. | - |
| 335 | | - |
| 336 | The first screen added will be the primary screen, used for default-created | - |
| 337 | windows, GL contexts, and other resources unless otherwise specified. | - |
| 338 | | - |
| 339 | This adds the screen to QGuiApplication::screens(), and emits the | - |
| 340 | QGuiApplication::screenAdded() signal. | - |
| 341 | | - |
| 342 | The screen is automatically removed when the QPlatformScreen is destroyed. | - |
| 343 | */ | - |
| 344 | void QPlatformIntegration::screenAdded(QPlatformScreen *ps) | - |
| 345 | { | - |
| 346 | QScreen *screen = new QScreen(ps); executed (the execution status of this line is deduced): QScreen *screen = new QScreen(ps); | - |
| 347 | ps->d_func()->screen = screen; executed (the execution status of this line is deduced): ps->d_func()->screen = screen; | - |
| 348 | QGuiApplicationPrivate::screen_list << screen; executed (the execution status of this line is deduced): QGuiApplicationPrivate::screen_list << screen; | - |
| 349 | emit qGuiApp->screenAdded(screen); executed (the execution status of this line is deduced): (static_cast<QGuiApplication *>(QCoreApplication::instance()))->screenAdded(screen); | - |
| 350 | } executed: }Execution Count:289 | 289 |
| 351 | | - |
| 352 | QStringList QPlatformIntegration::themeNames() const | - |
| 353 | { | - |
| 354 | return QStringList(); never executed: return QStringList(); | 0 |
| 355 | } | - |
| 356 | | - |
| 357 | class QPlatformTheme *QPlatformIntegration::createPlatformTheme(const QString &name) const | - |
| 358 | { | - |
| 359 | Q_UNUSED(name) never executed (the execution status of this line is deduced): (void)name; | - |
| 360 | return new QPlatformTheme; never executed: return new QPlatformTheme; | 0 |
| 361 | } | - |
| 362 | | - |
| 363 | QT_END_NAMESPACE | - |
| 364 | | - |
| | |