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39
40#ifndef QGUIAPPLICATION_P_H
41#define QGUIAPPLICATION_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists purely as an
48// implementation detail. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <QtGui/private/qtguiglobal_p.h>
55#include <QtGui/qguiapplication.h>
56
57#include <QtCore/QPointF>
58#include <QtCore/QSharedPointer>
59#include <QtCore/private/qcoreapplication_p.h>
60
61#include <QtCore/private/qthread_p.h>
62
63#include <qpa/qwindowsysteminterface.h>
64#include <qpa/qwindowsysteminterface_p.h>
65#include "private/qshortcutmap_p.h"
66#include <qicon.h>
67
68QT_BEGIN_NAMESPACE
69
70class QColorTrcLut;
71class QPlatformIntegration;
72class QPlatformTheme;
73class QPlatformDragQtResponse;
74#if QT_CONFIG(draganddrop)
75class QDrag;
76#endif // QT_CONFIG(draganddrop)
77class QInputDeviceManager;
78
79class Q_GUI_EXPORT QGuiApplicationPrivate : public QCoreApplicationPrivate
80{
81 Q_DECLARE_PUBLIC(QGuiApplication)
82public:
83 QGuiApplicationPrivate(int &argc, char **argv, int flags);
84 ~QGuiApplicationPrivate();
85
86 void init();
87
88 void createPlatformIntegration();
89 void createEventDispatcher() override;
90 void eventDispatcherReady() override;
91
92 virtual void notifyLayoutDirectionChange();
93 virtual void notifyActiveWindowChange(QWindow *previous);
94
95#if QT_CONFIG(commandlineparser)
96 void addQtOptions(QList<QCommandLineOption> *options) override;
97#endif
98 virtual bool shouldQuit() override;
99
100 bool shouldQuitInternal(const QWindowList &processedWindows);
101 virtual bool tryCloseAllWindows();
102
103 static void captureGlobalModifierState(QEvent *e);
104 static Qt::KeyboardModifiers modifier_buttons;
105 static Qt::MouseButtons mouse_buttons;
106
107 static QPlatformIntegration *platform_integration;
108
109 static QPlatformIntegration *platformIntegration()
110 { return platform_integration; }
111
112 static QPlatformTheme *platform_theme;
113
114 static QPlatformTheme *platformTheme()
115 { return platform_theme; }
116
117 static QAbstractEventDispatcher *qt_qpa_core_dispatcher()
118 {
119 if (QCoreApplication::instance())
120 return QCoreApplication::instance()->d_func()->threadData.loadRelaxed()->eventDispatcher.loadRelaxed();
121 else
122 return nullptr;
123 }
124
125 static void processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent *e);
126 static void processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent *e);
127 static void processWheelEvent(QWindowSystemInterfacePrivate::WheelEvent *e);
128 static void processTouchEvent(QWindowSystemInterfacePrivate::TouchEvent *e);
129
130 static void processCloseEvent(QWindowSystemInterfacePrivate::CloseEvent *e);
131
132 static void processGeometryChangeEvent(QWindowSystemInterfacePrivate::GeometryChangeEvent *e);
133
134 static void processEnterEvent(QWindowSystemInterfacePrivate::EnterEvent *e);
135 static void processLeaveEvent(QWindowSystemInterfacePrivate::LeaveEvent *e);
136
137 static void processActivatedEvent(QWindowSystemInterfacePrivate::ActivatedWindowEvent *e);
138 static void processWindowStateChangedEvent(QWindowSystemInterfacePrivate::WindowStateChangedEvent *e);
139 static void processWindowScreenChangedEvent(QWindowSystemInterfacePrivate::WindowScreenChangedEvent *e);
140
141 static void processSafeAreaMarginsChangedEvent(QWindowSystemInterfacePrivate::SafeAreaMarginsChangedEvent *e);
142
143 static void processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent *e);
144
145 static void processApplicationTermination(QWindowSystemInterfacePrivate::WindowSystemEvent *e);
146
147 static void updateFilteredScreenOrientation(QScreen *screen);
148 static void reportScreenOrientationChange(QScreen *screen);
149 static void processScreenOrientationChange(QWindowSystemInterfacePrivate::ScreenOrientationEvent *e);
150 static void processScreenGeometryChange(QWindowSystemInterfacePrivate::ScreenGeometryEvent *e);
151 static void processScreenLogicalDotsPerInchChange(QWindowSystemInterfacePrivate::ScreenLogicalDotsPerInchEvent *e);
152 static void processScreenRefreshRateChange(QWindowSystemInterfacePrivate::ScreenRefreshRateEvent *e);
153 static void processThemeChanged(QWindowSystemInterfacePrivate::ThemeChangeEvent *tce);
154
155 static void processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent *e);
156
157 static void processFileOpenEvent(QWindowSystemInterfacePrivate::FileOpenEvent *e);
158
159 static void processTabletEvent(QWindowSystemInterfacePrivate::TabletEvent *e);
160 static void processTabletEnterProximityEvent(QWindowSystemInterfacePrivate::TabletEnterProximityEvent *e);
161 static void processTabletLeaveProximityEvent(QWindowSystemInterfacePrivate::TabletLeaveProximityEvent *e);
162
163#ifndef QT_NO_GESTURES
164 static void processGestureEvent(QWindowSystemInterfacePrivate::GestureEvent *e);
165#endif
166
167 static void processPlatformPanelEvent(QWindowSystemInterfacePrivate::PlatformPanelEvent *e);
168#ifndef QT_NO_CONTEXTMENU
169 static void processContextMenuEvent(QWindowSystemInterfacePrivate::ContextMenuEvent *e);
170#endif
171
172#if QT_CONFIG(draganddrop)
173 static QPlatformDragQtResponse processDrag(QWindow *w, const QMimeData *dropData,
174 const QPoint &p, Qt::DropActions supportedActions,
175 Qt::MouseButtons buttons, Qt::KeyboardModifiers modifiers);
176 static QPlatformDropQtResponse processDrop(QWindow *w, const QMimeData *dropData,
177 const QPoint &p, Qt::DropActions supportedActions,
178 Qt::MouseButtons buttons, Qt::KeyboardModifiers modifiers);
179#endif
180
181#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
182 static bool processNativeEvent(QWindow *window, const QByteArray &eventType, void *message, qintptr *result);
183#else
184 static bool processNativeEvent(QWindow *window, const QByteArray &eventType, void *message, long *result);
185#endif
186
187 static bool sendQWindowEventToQPlatformWindow(QWindow *window, QEvent *event);
188
189 static inline Qt::Alignment visualAlignment(Qt::LayoutDirection direction, Qt::Alignment alignment)
190 {
191 if (!(alignment & Qt::AlignHorizontal_Mask))
192 alignment |= Qt::AlignLeft;
193 if (!(alignment & Qt::AlignAbsolute) && (alignment & (Qt::AlignLeft | Qt::AlignRight))) {
194 if (direction == Qt::RightToLeft)
195 alignment ^= (Qt::AlignLeft | Qt::AlignRight);
196 alignment |= Qt::AlignAbsolute;
197 }
198 return alignment;
199 }
200
201 static void emitLastWindowClosed();
202
203 QPixmap getPixmapCursor(Qt::CursorShape cshape);
204
205 void _q_updateFocusObject(QObject *object);
206
207 static QGuiApplicationPrivate *instance() { return self; }
208
209 static QIcon *app_icon;
210 static QString *platform_name;
211 static QString *displayName;
212 static QString *desktopFileName;
213
214 QWindowList modalWindowList;
215 static void showModalWindow(QWindow *window);
216 static void hideModalWindow(QWindow *window);
217 static void updateBlockedStatus(QWindow *window);
218 virtual bool isWindowBlocked(QWindow *window, QWindow **blockingWindow = nullptr) const;
219 virtual bool popupActive() { return false; }
220
221 static ulong mousePressTime;
222 static Qt::MouseButton mousePressButton;
223 static int mousePressX;
224 static int mousePressY;
225 static QPointF lastCursorPosition;
226 static QWindow *currentMouseWindow;
227 static QWindow *currentMousePressWindow;
228 static Qt::ApplicationState applicationState;
229 static Qt::HighDpiScaleFactorRoundingPolicy highDpiScaleFactorRoundingPolicy;
230 static bool highDpiScalingUpdated;
231 static QPointer<QWindow> currentDragWindow;
232
233 struct TabletPointData {
234 TabletPointData(qint64 devId = 0) : deviceId(devId), state(Qt::NoButton), target(nullptr) {}
235 qint64 deviceId;
236 Qt::MouseButtons state;
237 QWindow *target;
238 };
239 static QVector<TabletPointData> tabletDevicePoints;
240 static TabletPointData &tabletDevicePoint(qint64 deviceId);
241
242#ifndef QT_NO_CLIPBOARD
243 static QClipboard *qt_clipboard;
244#endif
245
246 static QPalette *app_pal;
247
248 static QWindowList window_list;
249 static QWindow *focus_window;
250
251#ifndef QT_NO_CURSOR
252 QList<QCursor> cursor_list;
253#endif
254 static QList<QScreen *> screen_list;
255
256 static QFont *app_font;
257
258 static QString styleOverride;
259 static QStyleHints *styleHints;
260 static bool obey_desktop_settings;
261 QInputMethod *inputMethod;
262
263 QString firstWindowTitle;
264 QIcon forcedWindowIcon;
265
266 static QList<QObject *> generic_plugin_list;
267#ifndef QT_NO_SHORTCUT
268 QShortcutMap shortcutMap;
269#endif
270
271#ifndef QT_NO_SESSIONMANAGER
272 static bool is_fallback_session_management_enabled;
273 QSessionManager *session_manager;
274 bool is_session_restored;
275 bool is_saving_session;
276 void commitData();
277 void saveState();
278#endif
279
280 struct ActiveTouchPointsKey {
281 ActiveTouchPointsKey(QTouchDevice *dev, int id) : device(dev), touchPointId(id) { }
282 QTouchDevice *device;
283 int touchPointId;
284 };
285 struct ActiveTouchPointsValue {
286 QPointer<QWindow> window;
287 QPointer<QObject> target;
288 QTouchEvent::TouchPoint touchPoint;
289 };
290 QHash<ActiveTouchPointsKey, ActiveTouchPointsValue> activeTouchPoints;
291 QEvent::Type lastTouchType;
292 struct SynthesizedMouseData {
293 SynthesizedMouseData(const QPointF &p, const QPointF &sp, QWindow *w)
294 : pos(p), screenPos(sp), window(w) { }
295 QPointF pos;
296 QPointF screenPos;
297 QPointer<QWindow> window;
298 };
299 QHash<QWindow *, SynthesizedMouseData> synthesizedMousePoints;
300
301 static int mouseEventCaps(QMouseEvent *event);
302 static QVector2D mouseEventVelocity(QMouseEvent *event);
303 static void setMouseEventCapsAndVelocity(QMouseEvent *event, int caps, const QVector2D &velocity);
304
305 static Qt::MouseEventSource mouseEventSource(const QMouseEvent *event);
306 static void setMouseEventSource(QMouseEvent *event, Qt::MouseEventSource source);
307
308 static Qt::MouseEventFlags mouseEventFlags(const QMouseEvent *event);
309 static void setMouseEventFlags(QMouseEvent *event, Qt::MouseEventFlags flags);
310
311 static QInputDeviceManager *inputDeviceManager();
312
313 const QColorTrcLut *colorProfileForA8Text();
314 const QColorTrcLut *colorProfileForA32Text();
315
316 // hook reimplemented in QApplication to apply the QStyle function on the QIcon
317 virtual QPixmap applyQIconStyleHelper(QIcon::Mode, const QPixmap &basePixmap) const { return basePixmap; }
318
319 virtual void notifyWindowIconChanged();
320
321 static void applyWindowGeometrySpecificationTo(QWindow *window);
322
323 static void setApplicationState(Qt::ApplicationState state, bool forcePropagate = false);
324
325 static void resetCachedDevicePixelRatio();
326
327 static void updatePalette();
328
329protected:
330 virtual void notifyThemeChanged();
331
332 static bool setPalette(const QPalette &palette);
333 virtual QPalette basePalette() const;
334 virtual void handlePaletteChanged(const char *className = nullptr);
335
336 bool tryCloseRemainingWindows(QWindowList processedWindows);
337#if QT_CONFIG(draganddrop)
338 virtual void notifyDragStarted(const QDrag *);
339#endif // QT_CONFIG(draganddrop)
340
341private:
342 static void clearPalette();
343
344 friend class QDragManager;
345
346 static QGuiApplicationPrivate *self;
347 static QTouchDevice *m_fakeTouchDevice;
348 static int m_fakeMouseSourcePointId;
349 QSharedPointer<QColorTrcLut> m_a8ColorProfile;
350 QSharedPointer<QColorTrcLut> m_a32ColorProfile;
351
352 bool ownGlobalShareContext;
353
354 static QInputDeviceManager *m_inputDeviceManager;
355
356 // Cache the maximum device pixel ratio, to iterate through the screen list
357 // only the first time it's required, or when devices are added or removed.
358 static qreal m_maxDevicePixelRatio;
359};
360
361Q_GUI_EXPORT uint qHash(const QGuiApplicationPrivate::ActiveTouchPointsKey &k);
362
363Q_GUI_EXPORT bool operator==(const QGuiApplicationPrivate::ActiveTouchPointsKey &a,
364 const QGuiApplicationPrivate::ActiveTouchPointsKey &b);
365
366QT_END_NAMESPACE
367
368#endif // QGUIAPPLICATION_P_H
369

source code of qtbase/src/gui/kernel/qguiapplication_p.h