src/gui/kernel/qguiapplication_p.h

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  41
  42 #ifndef QGUIAPPLICATION_P_H
  43 #define QGUIAPPLICATION_P_H
  44
  45 #include <QtGui/qguiapplication.h>
  46
  47 #include <QtCore/QPointF>
  48 #include <QtCore/private/qcoreapplication_p.h>
  49
  50 #include <QtCore/private/qthread_p.h>
  51
  52 #include <QWindowSystemInterface>
  53 #include "private/qwindowsysteminterface_qpa_p.h"
  54 #include "private/qshortcutmap_p.h"
  55 #include <qicon.h>
  56
  57 QT_BEGIN_HEADER
  58
  59 QT_BEGIN_NAMESPACE
  60
  61 class QPlatformIntegration;
  62 class QPlatformTheme;
  63 class QPlatformDragQtResponse;
  64 struct QDrawHelperGammaTables;
  65
  66 class Q_GUI_EXPORT QGuiApplicationPrivate : public QCoreApplicationPrivate
  67 {
  68     Q_DECLARE_PUBLIC(QGuiApplication)
  69 public:
  70     QGuiApplicationPrivate(int &argc, char **argv, int flags);
  71     ~QGuiApplicationPrivate();
  72
  73     void createPlatformIntegration();
  74     void createEventDispatcher();
  75     void setEventDispatcher(QAbstractEventDispatcher *eventDispatcher);
  76
  77     virtual void notifyLayoutDirectionChange();
  78     virtual void notifyActiveWindowChange(QWindow *previous);
  79
  80     virtual bool shouldQuit();
  81
  82     static Qt::KeyboardModifiers modifier_buttons;
  83     static Qt::MouseButtons mouse_buttons;
  84
  85     static QPlatformIntegration *platform_integration;
  86
  87     static QPlatformIntegration *platformIntegration()
  88     { return platform_integration; }
  89
  90     static QPlatformTheme *platform_theme;
  91
  92     static QPlatformTheme *platformTheme()
  93     { return platform_theme; }
  94
  95     static QAbstractEventDispatcher *qt_qpa_core_dispatcher()
  96     { return QCoreApplication::instance()->d_func()->threadData->eventDispatcher; }
  97
  98     static void processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent *e);
  99     static void processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent *e);
 100     static void processWheelEvent(QWindowSystemInterfacePrivate::WheelEvent *e);
 101     static void processTouchEvent(QWindowSystemInterfacePrivate::TouchEvent *e);
 102
 103     static void processCloseEvent(QWindowSystemInterfacePrivate::CloseEvent *e);
 104
 105     static void processGeometryChangeEvent(QWindowSystemInterfacePrivate::GeometryChangeEvent *e);
 106
 107     static void processEnterEvent(QWindowSystemInterfacePrivate::EnterEvent *e);
 108     static void processLeaveEvent(QWindowSystemInterfacePrivate::LeaveEvent *e);
 109
 110     static void processActivatedEvent(QWindowSystemInterfacePrivate::ActivatedWindowEvent *e);
 111     static void processWindowStateChangedEvent(QWindowSystemInterfacePrivate::WindowStateChangedEvent *e);
 112
 113     static void processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent *e);
 114
 115     static void reportScreenOrientationChange(QScreen *screen);
 116     static void reportScreenOrientationChange(QWindowSystemInterfacePrivate::ScreenOrientationEvent *e);
 117     static void reportGeometryChange(QWindowSystemInterfacePrivate::ScreenGeometryEvent *e);
 118     static void reportAvailableGeometryChange(QWindowSystemInterfacePrivate::ScreenAvailableGeometryEvent *e);
 119     static void reportLogicalDotsPerInchChange(QWindowSystemInterfacePrivate::ScreenLogicalDotsPerInchEvent *e);
 120     static void reportRefreshRateChange(QWindowSystemInterfacePrivate::ScreenRefreshRateEvent *e);
 121     static void processThemeChanged(QWindowSystemInterfacePrivate::ThemeChangeEvent *tce);
 122
 123     static void processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent *e);
 124
 125     static void processFileOpenEvent(QWindowSystemInterfacePrivate::FileOpenEvent *e);
 126
 127     static void processTabletEvent(QWindowSystemInterfacePrivate::TabletEvent *e);
 128     static void processTabletEnterProximityEvent(QWindowSystemInterfacePrivate::TabletEnterProximityEvent *e);
 129     static void processTabletLeaveProximityEvent(QWindowSystemInterfacePrivate::TabletLeaveProximityEvent *e);
 130
 131 #ifndef QT_NO_DRAGANDDROP
 132     static QPlatformDragQtResponse processDrag(QWindow *w, const QMimeData *dropData, const QPoint &p, Qt::DropActions supportedActions);
 133     static QPlatformDropQtResponse processDrop(QWindow *w, const QMimeData *dropData, const QPoint &p, Qt::DropActions supportedActions);
 134 #endif
 135
 136     static bool processNativeEvent(QWindow *window, const QByteArray &eventType, void *message, long *result);
 137
 138     static void sendQWindowEventToQPlatformWindow(QWindow *window, QEvent *event);
 139
 140     static inline Qt::Alignment visualAlignment(Qt::LayoutDirection direction, Qt::Alignment alignment)
 141     {
 142         if (!(alignment & Qt::AlignHorizontal_Mask))
 143             alignment |= Qt::AlignLeft;
 144         if ((alignment & Qt::AlignAbsolute) == 0 && (alignment & (Qt::AlignLeft | Qt::AlignRight))) {
 145             if (direction == Qt::RightToLeft)
 146                 alignment ^= (Qt::AlignLeft | Qt::AlignRight);
 147             alignment |= Qt::AlignAbsolute;
 148         }
 149         return alignment;
 150     }
 151
 152     static void emitLastWindowClosed();
 153
 154     QPixmap getPixmapCursor(Qt::CursorShape cshape);
 155
 156     void q_updateFocusObject(QObject *object);
 157
 158     static QGuiApplicationPrivate *instance() { return self; }
 159
 160     static QString *platform_name;
 161
 162     QWindowList modalWindowList;
 163     static void showModalWindow(QWindow *window);
 164     static void hideModalWindow(QWindow *window);
 165     virtual bool isWindowBlocked(QWindow *window, QWindow **blockingWindow = 0) const;
 166
 167     static Qt::MouseButtons buttons;
 168     static ulong mousePressTime;
 169     static Qt::MouseButton mousePressButton;
 170     static int mousePressX;
 171     static int mousePressY;
 172     static int mouse_double_click_distance;
 173     static QPointF lastCursorPosition;
 174     static bool tabletState;
 175     static QWindow *tabletPressTarget;
 176
 177 #ifndef QT_NO_CLIPBOARD
 178     static QClipboard *qt_clipboard;
 179 #endif
 180
 181     static QPalette *app_pal;
 182
 183     static QWindowList window_list;
 184     static QWindow *focus_window;
 185
 186 #ifndef QT_NO_CURSOR
 187     QList<QCursor> cursor_list;
 188 #endif
 189     static QList<QScreen *> screen_list;
 190
 191     static QFont *app_font;
 192
 193     QStyleHints *styleHints;
 194     static bool obey_desktop_settings;
 195     QInputMethod *inputMethod;
 196
 197     static QList<QObject *> generic_plugin_list;
 198 #ifndef QT_NO_SHORTCUT
 199     QShortcutMap shortcutMap;
 200 #endif
 201
 202     struct ActiveTouchPointsKey {
 203         ActiveTouchPointsKey(QTouchDevice *dev, int id) : device(dev), touchPointId(id) { }
 204         QTouchDevice *device;
 205         int touchPointId;
 206     };
 207     struct ActiveTouchPointsValue {
 208         QWeakPointer<QWindow> window;
 209         QWeakPointer<QObject> target;
 210         QTouchEvent::TouchPoint touchPoint;
 211     };
 212     QHash<ActiveTouchPointsKey, ActiveTouchPointsValue> activeTouchPoints;
 213     QEvent::Type lastTouchType;
 214     struct SynthesizedMouseData {
 215         SynthesizedMouseData(const QPointF &p, const QPointF &sp, QWindow *w)
 216             : pos(p), screenPos(sp), window(w) { }
 217         QPointF pos;
 218         QPointF screenPos;
 219         QWeakPointer<QWindow> window;
 220     };
 221     QHash<QWindow *, SynthesizedMouseData> synthesizedMousePoints;
 222
 223     static int mouseEventCaps(QMouseEvent *event);
 224     static QVector2D mouseEventVelocity(QMouseEvent *event);
 225     static void setMouseEventCapsAndVelocity(QMouseEvent *event, int caps, const QVector2D &velocity);
 226     static void setMouseEventCapsAndVelocity(QMouseEvent *event, QMouseEvent *other);
 227
 228     const QDrawHelperGammaTables *gammaTables();
 229
 230     // hook reimplemented in QApplication to apply the QStyle function on the QIcon
 231     virtual QPixmap applyQIconStyleHelper(QIcon::Mode, const QPixmap &basePixmap) const { return basePixmap; }
 232
 233 protected:
 234     virtual void notifyThemeChanged();
 235
 236 private:
 237     void init();
 238
 239     static QGuiApplicationPrivate *self;
 240     static QTouchDevice *m_fakeTouchDevice;
 241     static int m_fakeMouseSourcePointId;
 242     QAtomicPointer<QDrawHelperGammaTables> m_gammaTables;
 243 };
 244
 245 Q_GUI_EXPORT uint qHash(const QGuiApplicationPrivate::ActiveTouchPointsKey &k);
 246
 247 Q_GUI_EXPORT bool operator==(const QGuiApplicationPrivate::ActiveTouchPointsKey &a,
 248                              const QGuiApplicationPrivate::ActiveTouchPointsKey &b);
 249
 250 QT_END_NAMESPACE
 251
 252 QT_END_HEADER
 253
 254 #endif // QGUIAPPLICATION_P_H