qscreen.cpp

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/home/qt/qt5_coco/qt5/qtbase/src/gui/kernel/qscreen.cpp

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Line Source Count

1 -

2 -

3 -

4 -

5 QScreen::QScreen(QPlatformScreen *screen) -

6 : QObject(*new QScreenPrivate(), 0) -

7 { -

8 QScreenPrivate * const d = d_func(); -

9 d->setPlatformScreen(screen); -

10 } -

11 -

12 void QScreenPrivate::setPlatformScreen(QPlatformScreen *screen) -

13 { -

14 QScreen * const q = q_func(); -

15 platformScreen = screen; -

16 platformScreen->d_func()->screen = q; -

17 orientation = platformScreen->orientation(); -

18 geometry = platformScreen->deviceIndependentGeometry(); -

19 availableGeometry = QHighDpi::fromNative(platformScreen->availableGeometry(), QHighDpiScaling::factor(platformScreen), geometry.topLeft()); -

20 logicalDpi = platformScreen->logicalDpi(); -

21 refreshRate = platformScreen->refreshRate(); -

22 -

23 if (refreshRate < 1.0) -

24 refreshRate = 60.0; -

25 -

26 updatePrimaryOrientation(); -

27 -

28 filteredOrientation = orientation; -

29 if (filteredOrientation == Qt::PrimaryOrientation) -

30 filteredOrientation = primaryOrientation; -

31 -

32 updateHighDpi(); -

33 } -

34 -

35 -

36 -

37 -

38 -

39 QScreen::~QScreen() -

40 { -

if (!(static_cast<QGuiApplication *>(QCoreApplication::instance()))

!(static_cast<...::instance()))	Description
TRUE	never evaluated
FALSE	never evaluated

)

return;

never executed: return;

43 -

44 -

45 -

46 (static_cast<QGuiApplication *>(QCoreApplication::instance()))->screenRemoved(this); -

47 -

if (QGuiApplication::closingDown()

QGuiApplication::closingDown()	Description
TRUE	never evaluated
FALSE	never evaluated

)

return;

never executed: return;

50 -

51 QScreen *primaryScreen = QGuiApplication::primaryScreen(); -

if (this == primaryScreen

this == primaryScreen	Description
TRUE	never evaluated
FALSE	never evaluated

)

return;

never executed: return;

54 -

bool movingFromVirtualSibling = primaryScreen

primaryScreen	Description
TRUE	never evaluated
FALSE	never evaluated

&& primaryScreen->handle()->virtualSiblings().contains(handle())

primaryScreen-...ains(handle())	Description
TRUE	never evaluated
FALSE	never evaluated

;

56 -

57 -

58 for (QForeachContainer<typename QtPrivate::remove_reference<decltype(QGuiApplication::const auto allWindows ())>::type> _container_((= QGuiApplication::allWindows())); _container_.control && _container_.i != _container_.e; ++_container_.i, _container_.control ^= 1)(); -

59 for (QWindow *window = *_container_.i; _container_.control; _container_.control = 0: allWindows) { -

if (!window->isTopLevel()

!window->isTopLevel()	Description
TRUE	never evaluated
FALSE	never evaluated

|| window->screen() != this

window->screen() != this	Description
TRUE	never evaluated
FALSE	never evaluated

)

continue;

never executed: continue;

62 -

63 const bool wasVisible = window->isVisible(); -

64 window->setScreen(primaryScreen); -

65 -

66 -

67 -

if (movingFromVirtualSibling

movingFromVirtualSibling	Description
TRUE	never evaluated
FALSE	never evaluated

)

window->setVisible(wasVisible);

never executed: window->setVisible(wasVisible);

}

never executed: end of block

}

never executed: end of block

72 -

73 -

74 -

75 -

76 QPlatformScreen *QScreen::handle() const -

77 { -

78 const QScreenPrivate * const d = d_func(); -

79 return d->platformScreen; -

80 } -

81 QString QScreen::name() const -

82 { -

83 const QScreenPrivate * const d = d_func(); -

84 return d->platformScreen->name(); -

85 } -

86 -

87 -

88 -

89 -

90 -

91 int QScreen::depth() const -

92 { -

93 const QScreenPrivate * const d = d_func(); -

94 return d->platformScreen->depth(); -

95 } -

96 -

97 -

98 -

99 -

100 -

101 QSize QScreen::size() const -

102 { -

103 const QScreenPrivate * const d = d_func(); -

104 return d->geometry.size(); -

105 } -

106 qreal QScreen::physicalDotsPerInchX() const -

107 { -

108 return size().width() / physicalSize().width() * qreal(25.4); -

109 } -

110 qreal QScreen::physicalDotsPerInchY() const -

111 { -

112 return size().height() / physicalSize().height() * qreal(25.4); -

113 } -

114 qreal QScreen::physicalDotsPerInch() const -

115 { -

116 QSize sz = size(); -

117 QSizeF psz = physicalSize(); -

118 return ((sz.height() / psz.height()) + (sz.width() / psz.width())) * qreal(25.4 * 0.5); -

119 } -

120 qreal QScreen::logicalDotsPerInchX() const -

121 { -

122 const QScreenPrivate * const d = d_func(); -

123 if (QHighDpiScaling::isActive()) -

124 return QHighDpiScaling::logicalDpi().first; -

125 return d->logicalDpi.first; -

126 } -

127 qreal QScreen::logicalDotsPerInchY() const -

128 { -

129 const QScreenPrivate * const d = d_func(); -

130 if (QHighDpiScaling::isActive()) -

131 return QHighDpiScaling::logicalDpi().second; -

132 return d->logicalDpi.second; -

133 } -

134 qreal QScreen::logicalDotsPerInch() const -

135 { -

136 const QScreenPrivate * const d = d_func(); -

137 QDpi dpi = QHighDpiScaling::isActive() ? QHighDpiScaling::logicalDpi() : d->logicalDpi; -

138 return (dpi.first + dpi.second) * qreal(0.5); -

139 } -

140 qreal QScreen::devicePixelRatio() const -

141 { -

142 const QScreenPrivate * const d = d_func(); -

143 return d->platformScreen->devicePixelRatio() * QHighDpiScaling::factor(this); -

144 } -

145 QSizeF QScreen::physicalSize() const -

146 { -

147 const QScreenPrivate * const d = d_func(); -

148 return d->platformScreen->physicalSize(); -

149 } -

150 QSize QScreen::availableSize() const -

151 { -

152 const QScreenPrivate * const d = d_func(); -

153 return d->availableGeometry.size(); -

154 } -

155 QRect QScreen::geometry() const -

156 { -

157 const QScreenPrivate * const d = d_func(); -

158 return d->geometry; -

159 } -

160 QRect QScreen::availableGeometry() const -

161 { -

162 const QScreenPrivate * const d = d_func(); -

163 return d->availableGeometry; -

164 } -

165 QList<QScreen *> QScreen::virtualSiblings() const -

166 { -

167 const QScreenPrivate * const d = d_func(); -

168 const QList<QPlatformScreen *> platformScreens = d->platformScreen->virtualSiblings(); -

169 QList<QScreen *> screens; -

170 screens.reserve(platformScreens.count()); -

171 for (QForeachContainer<typename QtPrivate::remove_reference<decltype(platformScreens)>::type> _container_((platformScreens)); _container_.control && _container_.i != _container_.e; ++_container_.i, _container_.control ^= 1)for (QPlatformScreen *platformScreen = *_container_.i; _container_.control; _container_.control = 0: platformScreens) -

172

screens << platformScreen->screen();

never executed: screens << platformScreen->screen();

173

return

never executed: return screens;

screens;

never executed: return screens;

174 } -

175 QSize QScreen::virtualSize() const -

176 { -

177 return virtualGeometry().size(); -

178 } -

179 QRect QScreen::virtualGeometry() const -

180 { -

181 QRect result; -

for (QForeachContainer<typename QtPrivate::remove_reference<decltype(virtualSiblings())>::type> _container_((virtualSiblings())); _container_.control && _container_.i != _container_.e;

182 ++_container_.i, _container_.control ^const auto screens = 1)virtualSiblings(); -

183 for (QScreen *screen = *_container_.i; _container_.control; _container_.control = 0: screens) -

184

result |= screen->geometry();

never executed: result |= screen->geometry();

185

return

never executed: return result;

result;

never executed: return result;

186 } -

187 QSize QScreen::availableVirtualSize() const -

188 { -

189 return availableVirtualGeometry().size(); -

190 } -

191 QRect QScreen::availableVirtualGeometry() const -

192 { -

193 QRect result; -

for (QForeachContainer<typename QtPrivate::remove_reference<decltype(virtualSiblings())>::type> _container_((virtualSiblings())); _container_.control && _container_.i != _container_.e;

194 ++_container_.i, _container_.control ^const auto screens = 1)virtualSiblings(); -

195 for (QScreen *screen = *_container_.i; _container_.control; _container_.control = 0: screens) -

196

result |= screen->availableGeometry();

never executed: result |= screen->availableGeometry();

197

return

never executed: return result;

result;

never executed: return result;

198 } -

199 void QScreen::setOrientationUpdateMask(Qt::ScreenOrientations mask) -

200 { -

201 QScreenPrivate * const d = d_func(); -

202 d->orientationUpdateMask = mask; -

203 d->platformScreen->setOrientationUpdateMask(mask); -

204 QGuiApplicationPrivate::updateFilteredScreenOrientation(this); -

205 } -

206 -

207 -

208 -

209 -

210 -

211 -

212 Qt::ScreenOrientations QScreen::orientationUpdateMask() const -

213 { -

214 const QScreenPrivate * const d = d_func(); -

215 return d->orientationUpdateMask; -

216 } -

217 Qt::ScreenOrientation QScreen::orientation() const -

218 { -

219 const QScreenPrivate * const d = d_func(); -

220 return d->filteredOrientation; -

221 } -

222 -

223 -

224 -

225 -

226 -

227 qreal QScreen::refreshRate() const -

228 { -

229 const QScreenPrivate * const d = d_func(); -

230 return d->refreshRate; -

231 } -

232 Qt::ScreenOrientation QScreen::primaryOrientation() const -

233 { -

234 const QScreenPrivate * const d = d_func(); -

235 return d->primaryOrientation; -

236 } -

237 Qt::ScreenOrientation QScreen::nativeOrientation() const -

238 { -

239 const QScreenPrivate * const d = d_func(); -

240 return d->platformScreen->nativeOrientation(); -

241 } -

242 int QScreen::angleBetween(Qt::ScreenOrientation a, Qt::ScreenOrientation b) const -

243 { -

244 if (a == Qt::PrimaryOrientation) -

245 a = primaryOrientation(); -

246 -

247 if (b == Qt::PrimaryOrientation) -

248 b = primaryOrientation(); -

249 -

250 return QPlatformScreen::angleBetween(a, b); -

251 } -

252 QTransform QScreen::transformBetween(Qt::ScreenOrientation a, Qt::ScreenOrientation b, const QRect &target) const -

253 { -

254 if (a == Qt::PrimaryOrientation) -

255 a = primaryOrientation(); -

256 -

257 if (b == Qt::PrimaryOrientation) -

258 b = primaryOrientation(); -

259 -

260 return QPlatformScreen::transformBetween(a, b, target); -

261 } -

262 QRect QScreen::mapBetween(Qt::ScreenOrientation a, Qt::ScreenOrientation b, const QRect &rect) const -

263 { -

264 if (a == Qt::PrimaryOrientation) -

265 a = primaryOrientation(); -

266 -

267 if (b == Qt::PrimaryOrientation) -

268 b = primaryOrientation(); -

269 -

270 return QPlatformScreen::mapBetween(a, b, rect); -

271 } -

272 -

273 -

274 -

275 -

276 -

277 -

278 -

279 bool QScreen::isPortrait(Qt::ScreenOrientation o) const -

280 { -

281 return o == Qt::PortraitOrientation || o == Qt::InvertedPortraitOrientation -

282 || (o == Qt::PrimaryOrientation && primaryOrientation() == Qt::PortraitOrientation); -

283 } -

284 -

285 -

286 -

287 -

288 -

289 -

290 -

291 bool QScreen::isLandscape(Qt::ScreenOrientation o) const -

292 { -

293 return o == Qt::LandscapeOrientation || o == Qt::InvertedLandscapeOrientation -

294 || (o == Qt::PrimaryOrientation && primaryOrientation() == Qt::LandscapeOrientation); -

295 } -

296 void QScreenPrivate::updatePrimaryOrientation() -

297 { -

298 primaryOrientation = geometry.width() >= geometry.height() ? Qt::LandscapeOrientation : Qt::PortraitOrientation; -

299 } -

300 QPixmap QScreen::grabWindow(WId window, int x, int y, int width, int height) -

301 { -

302 const QPlatformScreen *platformScreen = handle(); -

303 if (!platformScreen) { -

304 QMessageLogger(__FILE__, 684693, __PRETTY_FUNCTION__).warning("invoked with handle==0"); -

305 return QPixmap(); -

306 } -

307 const qreal factor = QHighDpiScaling::factor(this); -

308 if (qFuzzyCompare(factor, 1)) -

309 return platformScreen->grabWindow(window, x, y, width, height); -

310 -

311 const QPoint nativePos = QHighDpi::toNative(QPoint(x, y), factor); -

312 QSize nativeSize(width, height); -

313 if (nativeSize.isValid()) -

314 nativeSize = QHighDpi::toNative(nativeSize, factor); -

315 QPixmap result = -

316 platformScreen->grabWindow(window, nativePos.x(), nativePos.y(), -

317 nativeSize.width(), nativeSize.height()); -

318 result.setDevicePixelRatio(factor); -

319 return result; -

320 } -

321 -

322 -

323 -

324 static inline void formatRect(QDebug &debug, const QRect r) -

325 { -

326 debug << r.width() << 'x' << r.height() -

327 << forcesign << r.x() << r.y() << noforcesign; -

328 } -

329 -

330 __attribute__((visibility("default"))) QDebug operator<<(QDebug debug, const QScreen *screen) -

331 { -

332 const QDebugStateSaver saver(debug); -

333 debug.nospace(); -

334 debug << "QScreen(" << (const void *)screen; -

335 if (screen) { -

336 debug << ", name=" << screen->name(); -

337 if (debug.verbosity() > 2) { -

338 if (screen == QGuiApplication::primaryScreen()) -

339 debug << ", primary"; -

340 debug << ", geometry="; -

341 formatRect(debug, screen->geometry()); -

342 debug << ", available="; -

343 formatRect(debug, screen->availableGeometry()); -

344 debug << ", logical DPI=" << screen->logicalDotsPerInchX() -

345 << ',' << screen->logicalDotsPerInchY() -

346 << ", physical DPI=" << screen->physicalDotsPerInchX() -

347 << ',' << screen->physicalDotsPerInchY() -

348 << ", devicePixelRatio=" << screen->devicePixelRatio() -

349 << ", orientation=" << screen->orientation() -

350 << ", physical size=" << screen->physicalSize().width() -

351 << 'x' << screen->physicalSize().height() << "mm"; -

352 } -

353 } -

354 debug << ')'; -

355 return debug; -

356 } -

357 -

358 -

359 -

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