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39 | |
40 | #ifndef QXCBSCREEN_H |
41 | #define QXCBSCREEN_H |
42 | |
43 | #include <qpa/qplatformscreen.h> |
44 | #include <QtCore/QString> |
45 | |
46 | #include <xcb/xcb.h> |
47 | #include <xcb/randr.h> |
48 | #include <xcb/xfixes.h> |
49 | #include <xcb/xinerama.h> |
50 | |
51 | #include "qxcbobject.h" |
52 | #include "qxcbscreen.h" |
53 | |
54 | #include <private/qfontengine_p.h> |
55 | |
56 | #include <QtEdidSupport/private/qedidparser_p.h> |
57 | |
58 | QT_BEGIN_NAMESPACE |
59 | |
60 | class QXcbConnection; |
61 | class QXcbCursor; |
62 | class QXcbXSettings; |
63 | #ifndef QT_NO_DEBUG_STREAM |
64 | class QDebug; |
65 | #endif |
66 | |
67 | class QXcbVirtualDesktop : public QXcbObject |
68 | { |
69 | public: |
70 | QXcbVirtualDesktop(QXcbConnection *connection, xcb_screen_t *screen, int number); |
71 | ~QXcbVirtualDesktop(); |
72 | |
73 | xcb_screen_t *screen() const { return m_screen; } |
74 | int number() const { return m_number; } |
75 | QSize size() const { return QSize(m_screen->width_in_pixels, m_screen->height_in_pixels); } |
76 | QSize physicalSize() const { return QSize(m_screen->width_in_millimeters, m_screen->height_in_millimeters); } |
77 | QDpi dpi() const; |
78 | xcb_window_t root() const { return m_screen->root; } |
79 | QXcbScreen *screenAt(const QPoint &pos) const; |
80 | |
81 | QList<QPlatformScreen *> screens() const { return m_screens; } |
82 | void setScreens(QList<QPlatformScreen *> &&sl) { m_screens = std::move(sl); } |
83 | void removeScreen(QPlatformScreen *s) { m_screens.removeOne(t: s); } |
84 | void addScreen(QPlatformScreen *s); |
85 | void setPrimaryScreen(QPlatformScreen *s); |
86 | |
87 | QXcbXSettings *xSettings() const; |
88 | |
89 | bool compositingActive() const; |
90 | |
91 | void updateWorkArea(); |
92 | QRect availableGeometry(const QRect &screenGeometry) const; |
93 | |
94 | void handleXFixesSelectionNotify(xcb_xfixes_selection_notify_event_t *notify_event); |
95 | void subscribeToXFixesSelectionNotify(); |
96 | |
97 | void handleScreenChange(xcb_randr_screen_change_notify_event_t *change_event); |
98 | |
99 | int forcedDpi() const { return m_forcedDpi; } |
100 | QFontEngine::HintStyle hintStyle() const { return m_hintStyle; } |
101 | QFontEngine::SubpixelAntialiasingType subpixelType() const { return m_subpixelType; } |
102 | int antialiasingEnabled() const { return m_antialiasingEnabled; } |
103 | |
104 | QString windowManagerName() const { return m_windowManagerName; } |
105 | |
106 | QSurfaceFormat surfaceFormatFor(const QSurfaceFormat &format) const; |
107 | |
108 | const xcb_visualtype_t *visualForFormat(const QSurfaceFormat &format) const; |
109 | const xcb_visualtype_t *visualForId(xcb_visualid_t) const; |
110 | quint8 depthOfVisual(xcb_visualid_t) const; |
111 | xcb_colormap_t colormapForVisual(xcb_visualid_t) const; |
112 | |
113 | private: |
114 | QRect getWorkArea() const; |
115 | |
116 | static bool xResource(const QByteArray &identifier, |
117 | const QByteArray &expectedIdentifier, |
118 | QByteArray &stringValue); |
119 | void readXResources(); |
120 | |
121 | bool setDpiFromXSettings(const QVariant &property); |
122 | |
123 | xcb_screen_t *m_screen; |
124 | const int m_number; |
125 | QList<QPlatformScreen *> m_screens; |
126 | |
127 | QXcbXSettings *m_xSettings = nullptr; |
128 | xcb_atom_t m_net_wm_cm_atom = 0; |
129 | bool m_compositingActive = false; |
130 | |
131 | QRect m_workArea; |
132 | |
133 | int m_forcedDpi = -1; |
134 | QFontEngine::HintStyle m_hintStyle = QFontEngine::HintStyle(-1); |
135 | QFontEngine::SubpixelAntialiasingType m_subpixelType = QFontEngine::SubpixelAntialiasingType(-1); |
136 | int m_antialiasingEnabled = -1; |
137 | QString m_windowManagerName; |
138 | QMap<xcb_visualid_t, xcb_visualtype_t> m_visuals; |
139 | QMap<xcb_visualid_t, quint8> m_visualDepths; |
140 | mutable QMap<xcb_visualid_t, xcb_colormap_t> m_visualColormaps; |
141 | uint16_t m_rotation = 0; |
142 | }; |
143 | |
144 | class Q_XCB_EXPORT QXcbScreen : public QXcbObject, public QPlatformScreen |
145 | { |
146 | public: |
147 | QXcbScreen(QXcbConnection *connection, QXcbVirtualDesktop *virtualDesktop, |
148 | xcb_randr_output_t outputId, xcb_randr_get_output_info_reply_t *outputInfo, |
149 | const xcb_xinerama_screen_info_t *xineramaScreenInfo = nullptr, int xineramaScreenIdx = -1); |
150 | ~QXcbScreen(); |
151 | |
152 | QString getOutputName(xcb_randr_get_output_info_reply_t *outputInfo); |
153 | |
154 | QPixmap grabWindow(WId window, int x, int y, int width, int height) const override; |
155 | |
156 | QWindow *topLevelAt(const QPoint &point) const override; |
157 | |
158 | QString manufacturer() const override; |
159 | QString model() const override; |
160 | QString serialNumber() const override; |
161 | |
162 | QRect geometry() const override { return m_geometry; } |
163 | QRect availableGeometry() const override; |
164 | int depth() const override { return screen()->root_depth; } |
165 | QImage::Format format() const override; |
166 | QSizeF physicalSize() const override { return m_sizeMillimeters; } |
167 | QDpi logicalDpi() const override; |
168 | QDpi logicalBaseDpi() const override { return QDpi(96, 96); }; |
169 | QPlatformCursor *cursor() const override; |
170 | qreal refreshRate() const override { return m_refreshRate; } |
171 | Qt::ScreenOrientation orientation() const override { return m_orientation; } |
172 | QList<QPlatformScreen *> virtualSiblings() const override { return m_virtualDesktop->screens(); } |
173 | QXcbVirtualDesktop *virtualDesktop() const { return m_virtualDesktop; } |
174 | |
175 | void setPrimary(bool primary) { m_primary = primary; } |
176 | bool isPrimary() const { return m_primary; } |
177 | |
178 | int screenNumber() const { return m_virtualDesktop->number(); } |
179 | static int virtualDesktopNumberStatic(const QScreen *screen); |
180 | |
181 | xcb_screen_t *screen() const { return m_virtualDesktop->screen(); } |
182 | xcb_window_t root() const { return screen()->root; } |
183 | xcb_randr_output_t output() const { return m_output; } |
184 | xcb_randr_crtc_t crtc() const { return m_crtc; } |
185 | xcb_randr_mode_t mode() const { return m_mode; } |
186 | |
187 | void setOutput(xcb_randr_output_t outputId, |
188 | xcb_randr_get_output_info_reply_t *outputInfo); |
189 | void setCrtc(xcb_randr_crtc_t crtc) { m_crtc = crtc; } |
190 | |
191 | void windowShown(QXcbWindow *window); |
192 | QString windowManagerName() const { return m_virtualDesktop->windowManagerName(); } |
193 | |
194 | QSurfaceFormat surfaceFormatFor(const QSurfaceFormat &format) const; |
195 | |
196 | const xcb_visualtype_t *visualForFormat(const QSurfaceFormat &format) const { return m_virtualDesktop->visualForFormat(format); } |
197 | const xcb_visualtype_t *visualForId(xcb_visualid_t visualid) const; |
198 | xcb_colormap_t colormapForVisual(xcb_visualid_t visualid) const { return m_virtualDesktop->colormapForVisual(visualid); } |
199 | quint8 depthOfVisual(xcb_visualid_t visualid) const { return m_virtualDesktop->depthOfVisual(visualid); } |
200 | |
201 | QString name() const override { return m_outputName; } |
202 | |
203 | void updateGeometry(const QRect &geometry, uint8_t rotation); |
204 | void updateGeometry(xcb_timestamp_t timestamp = XCB_TIME_CURRENT_TIME); |
205 | void updateAvailableGeometry(); |
206 | void updateRefreshRate(xcb_randr_mode_t mode); |
207 | |
208 | QFontEngine::HintStyle hintStyle() const { return m_virtualDesktop->hintStyle(); } |
209 | QFontEngine::SubpixelAntialiasingType subpixelType() const { return m_virtualDesktop->subpixelType(); } |
210 | int antialiasingEnabled() const { return m_virtualDesktop->antialiasingEnabled(); } |
211 | |
212 | QXcbXSettings *xSettings() const; |
213 | |
214 | private: |
215 | void sendStartupMessage(const QByteArray &message) const; |
216 | int forcedDpi() const; |
217 | |
218 | QByteArray getOutputProperty(xcb_atom_t atom) const; |
219 | QByteArray getEdid() const; |
220 | |
221 | QXcbVirtualDesktop *m_virtualDesktop; |
222 | xcb_randr_output_t m_output; |
223 | xcb_randr_crtc_t m_crtc; |
224 | xcb_randr_mode_t m_mode = XCB_NONE; |
225 | bool m_primary = false; |
226 | |
227 | QString m_outputName; |
228 | QSizeF m_outputSizeMillimeters; |
229 | QSizeF m_sizeMillimeters; |
230 | QRect m_geometry; |
231 | QRect m_availableGeometry; |
232 | Qt::ScreenOrientation m_orientation = Qt::PrimaryOrientation; |
233 | QXcbCursor *m_cursor; |
234 | qreal m_refreshRate = 60.0; |
235 | QEdidParser m_edid; |
236 | }; |
237 | |
238 | #ifndef QT_NO_DEBUG_STREAM |
239 | Q_GUI_EXPORT QDebug operator<<(QDebug, const QXcbScreen *); |
240 | #endif |
241 | |
242 | QT_END_NAMESPACE |
243 | |
244 | #endif |
245 | |