qplatformscreen.cpp

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

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Line Source Count

1 -

2 -

3 -

4 QPlatformScreen::QPlatformScreen() -

5 : d_ptr(new QPlatformScreenPrivate) -

6 { -

7 QPlatformScreenPrivate * const d = d_func(); -

8 d->screen = 0; -

9 } -

10 -

11 QPlatformScreen::~QPlatformScreen() -

12 { -

13 QPlatformScreenPrivate * const d = d_func(); -

14 if (d->screen) { -

15 QMessageLogger(__FILE__, 5864, __PRETTY_FUNCTION__).warning("Manually deleting a QPlatformScreen. Call QPlatformIntegration::destroyScreen instead."); -

16 QGuiApplicationPrivate::platformIntegration()->removeScreen(d->screen); -

17 delete d->screen; -

18 } -

19 } -

20 QPixmap QPlatformScreen::grabWindow(WId window, int x, int y, int width, int height) const -

21 { -

22 (void)window;; -

23 (void)x;; -

24 (void)y;; -

25 (void)width;; -

26 (void)height;; -

27 return QPixmap(); -

28 } -

29 -

30 -

31 -

32 -

33 -

34 -

35 -

36 QWindow *QPlatformScreen::topLevelAt(const QPoint & pos) const -

37 { -

38 const QWindowList list = QGuiApplication::topLevelWindows(); -

for (int i = list.size()-1; i >= 0

i >= 0	Description
TRUE	never evaluated
FALSE	never evaluated

; --i) {

40 QWindow *w = list[i]; -

if (w->isVisible()

w->isVisible()	Description
TRUE	never evaluated
FALSE	never evaluated

&& QHighDpi::toNativePixels(w->geometry(), w).contains(pos)

QHighDpi::toNa....contains(pos)	Description
TRUE	never evaluated
FALSE	never evaluated

)

return

never executed: return w;

}

never executed: end of block

44 -

return

never executed: return 0;

46 } -

47 -

48 -

49 -

50 -

51 -

52 -

53 const QPlatformScreen *QPlatformScreen::screenForPosition(const QPoint &point) const -

54 { -

if (!geometry().contains(point)

!geometry().contains(point)	Description
TRUE	never evaluated
FALSE	never evaluated

) {

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

57 for (const QPlatformScreen *screen = *_container_.i; _container_.control; _container_.control = 0: screens) { -

if (screen->geometry().contains(point)

screen->geomet...ontains(point)	Description
TRUE	never evaluated
FALSE	never evaluated

)

return

never executed: return screen;

screen;

never executed: return screen;

}

never executed: end of block

}

never executed: end of block

return

never executed: return this;

this;

never executed: return this;

63 } -

64 QList<QPlatformScreen *> QPlatformScreen::virtualSiblings() const -

65 { -

66 QList<QPlatformScreen *> list; -

67 list << const_cast<QPlatformScreen *>(this); -

68 return list; -

69 } -

70 -

71 QScreen *QPlatformScreen::screen() const -

72 { -

73 const QPlatformScreenPrivate * const d = d_func(); -

74 return d->screen; -

75 } -

76 QSizeF QPlatformScreen::physicalSize() const -

77 { -

78 static const int dpi = 100; -

79 return QSizeF(geometry().size()) / dpi * qreal(25.4); -

80 } -

81 QDpi QPlatformScreen::logicalDpi() const -

82 { -

83 QSizeF ps = physicalSize(); -

84 QSize s = geometry().size(); -

85 -

86 return QDpi(25.4 * s.width() / ps.width(), -

87 25.4 * s.height() / ps.height()); -

88 } -

89 qreal QPlatformScreen::devicePixelRatio() const -

90 { -

91 return 1.0; -

92 } -

93 qreal QPlatformScreen::pixelDensity() const -

94 { -

95 return 1.0; -

96 } -

97 -

98 -

99 -

100 -

101 -

102 -

103 -

104 qreal QPlatformScreen::refreshRate() const -

105 { -

106 return 60; -

107 } -

108 Qt::ScreenOrientation QPlatformScreen::nativeOrientation() const -

109 { -

110 return Qt::PrimaryOrientation; -

111 } -

112 Qt::ScreenOrientation QPlatformScreen::orientation() const -

113 { -

114 return Qt::PrimaryOrientation; -

115 } -

116 void QPlatformScreen::setOrientationUpdateMask(Qt::ScreenOrientations mask) -

117 { -

118 (void)mask;; -

119 } -

120 -

121 QPlatformScreen * QPlatformScreen::platformScreenForWindow(const QWindow *window) -

122 { -

123 -

124 -

125 if (!window->screen()) -

126 return 0; -

127 return window->screen()->handle(); -

128 } -

129 QPlatformCursor *QPlatformScreen::cursor() const -

130 { -

131 return 0; -

132 } -

133 -

134 -

135 -

136 -

137 -

138 void QPlatformScreen::resizeMaximizedWindows() -

139 { -

140 QList<QWindow*> windows = QGuiApplication::allWindows(); -

141 -

142 -

143 const QRect oldGeometry = screen()->geometry(); -

144 const QRect oldAvailableGeometry = screen()->availableGeometry(); -

145 const QRect newGeometry = deviceIndependentGeometry(); -

146 const QRect newAvailableGeometry = QHighDpi::fromNative(availableGeometry(), QHighDpiScaling::factor(this), newGeometry.topLeft()); -

147 -

148 -

149 for (int i = 0; i < windows.size(); ++i) { -

150 QWindow *w = windows.at(i); -

151 -

152 -

153 if (!w->handle()) -

154 continue; -

155 -

156 if (platformScreenForWindow(w) != this) -

157 continue; -

158 -

159 if (w->windowState() & Qt::WindowMaximized || w->geometry() == oldAvailableGeometry) -

160 w->setGeometry(newAvailableGeometry); -

161 else if (w->windowState() & Qt::WindowFullScreen || w->geometry() == oldGeometry) -

162 w->setGeometry(newGeometry); -

163 } -

164 } -

165 -

166 -

167 static int log2(uint i) -

168 { -

169 if (i == 0) -

170 return -1; -

171 -

172 int result = 0; -

173 while (!(i & 1)) { -

174 ++result; -

175 i >>= 1; -

176 } -

177 return result; -

178 } -

179 -

180 int QPlatformScreen::angleBetween(Qt::ScreenOrientation a, Qt::ScreenOrientation b) -

181 { -

182 if (a == Qt::PrimaryOrientation || b == Qt::PrimaryOrientation) { -

183 QMessageLogger(__FILE__, 369376, __PRETTY_FUNCTION__).warning("Use QScreen version of %sBetween() when passing Qt::PrimaryOrientation", "angle"); -

184 return 0; -

185 } -

186 -

187 if (a == b) -

188 return 0; -

189 -

190 int ia = log2(uint(a)); -

191 int ib = log2(uint(b)); -

192 -

193 int delta = ia - ib; -

194 -

195 if (delta < 0) -

196 delta = delta + 4; -

197 -

198 int angles[] = { 0, 90, 180, 270 }; -

199 return angles[delta]; -

200 } -

201 -

202 QTransform QPlatformScreen::transformBetween(Qt::ScreenOrientation a, Qt::ScreenOrientation b, const QRect &target) -

203 { -

204 if (a == Qt::PrimaryOrientation || b == Qt::PrimaryOrientation) { -

205 QMessageLogger(__FILE__, 391398, __PRETTY_FUNCTION__).warning("Use QScreen version of %sBetween() when passing Qt::PrimaryOrientation", "transform"); -

206 return QTransform(); -

207 } -

208 -

209 if (a == b) -

210 return QTransform(); -

211 -

212 int angle = angleBetween(a, b); -

213 -

214 QTransform result; -

215 switch (angle) { -

216 case 90: -

217 result.translate(target.width(), 0); -

218 break; -

219 case 180: -

220 result.translate(target.width(), target.height()); -

221 break; -

222 case 270: -

223 result.translate(0, target.height()); -

224 break; -

225 default: -

226 ((!(false)) ? qt_assert("false",__FILE__,412419) : qt_noop()); -

227 } -

228 result.rotate(angle); -

229 -

230 return result; -

231 } -

232 -

233 QRect QPlatformScreen::mapBetween(Qt::ScreenOrientation a, Qt::ScreenOrientation b, const QRect &rect) -

234 { -

235 if (a == Qt::PrimaryOrientation || b == Qt::PrimaryOrientation) { -

236 QMessageLogger(__FILE__, 422429, __PRETTY_FUNCTION__).warning("Use QScreen version of %sBetween() when passing Qt::PrimaryOrientation", "map"); -

237 return rect; -

238 } -

239 -

240 if (a == b) -

241 return rect; -

242 -

243 if ((a == Qt::PortraitOrientation || a == Qt::InvertedPortraitOrientation) -

244 != (b == Qt::PortraitOrientation || b == Qt::InvertedPortraitOrientation)) -

245 { -

246 return QRect(rect.y(), rect.x(), rect.height(), rect.width()); -

247 } -

248 -

249 return rect; -

250 } -

251 -

252 QRect QPlatformScreen::deviceIndependentGeometry() const -

253 { -

254 qreal scaleFactor = QHighDpiScaling::factor(this); -

255 QRect nativeGeometry = geometry(); -

256 return QRect(nativeGeometry.topLeft(), QHighDpi::fromNative(nativeGeometry.size(), scaleFactor)); -

257 } -

258 QPlatformScreen::SubpixelAntialiasingType QPlatformScreen::subpixelAntialiasingTypeHint() const -

259 { -

260 static int type = -1; -

261 if (type == -1) { -

262 QByteArray env = qgetenv("QT_SUBPIXEL_AA_TYPE"); -

263 if (env == "RGB") -

264 type = QPlatformScreen::Subpixel_RGB; -

265 else if (env == "BGR") -

266 type = QPlatformScreen::Subpixel_BGR; -

267 else if (env == "VRGB") -

268 type = QPlatformScreen::Subpixel_VRGB; -

269 else if (env == "VBGR") -

270 type = QPlatformScreen::Subpixel_VBGR; -

271 else -

272 type = QPlatformScreen::Subpixel_None; -

273 } -

274 -

275 return static_cast<QPlatformScreen::SubpixelAntialiasingType>(type); -

276 } -

277 -

278 -

279 -

280 -

281 -

282 -

283 QPlatformScreen::PowerState QPlatformScreen::powerState() const -

284 { -

285 return PowerStateOn; -

286 } -

287 -

288 -

289 -

290 -

291 void QPlatformScreen::setPowerState(PowerState state) -

292 { -

293 (void)state;; -

294 } -

295 -

296 -

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