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_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 #ifndef QT_NO_DRAGANDDROP
  66 class QDrag;
  67 #endif // QT_NO_DRAGANDDROP
  68
  69 class Q_GUI_EXPORT QGuiApplicationPrivate : public QCoreApplicationPrivate
  70 {
  71     Q_DECLARE_PUBLIC(QGuiApplication)
  72 public:
  73     QGuiApplicationPrivate(int &argc, char **argv, int flags);
  74     ~QGuiApplicationPrivate();
  75
  76     void createPlatformIntegration();
  77     void createEventDispatcher();
  78     void setEventDispatcher(QAbstractEventDispatcher *eventDispatcher);
  79
  80     virtual void notifyLayoutDirectionChange();
  81     virtual void notifyActiveWindowChange(QWindow *previous);
  82
  83     virtual bool shouldQuit();
  84
  85     static Qt::KeyboardModifiers modifier_buttons;
  86     static Qt::MouseButtons mouse_buttons;
  87
  88     static QPlatformIntegration *platform_integration;
  89
  90     static QPlatformIntegration *platformIntegration()
  91     { return platform_integration; }
  92
  93     static QPlatformTheme *platform_theme;
  94
  95     static QPlatformTheme *platformTheme()
  96     { return platform_theme; }
  97
  98     static QAbstractEventDispatcher *qt_qpa_core_dispatcher()
  99     {
 100         if (QCoreApplication::instance())
 101             return QCoreApplication::instance()->d_func()->threadData->eventDispatcher;
 102         else
 103             return 0;
 104     }
 105
 106     static void processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent *e);
 107     static void processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent *e);
 108     static void processWheelEvent(QWindowSystemInterfacePrivate::WheelEvent *e);
 109     static void processTouchEvent(QWindowSystemInterfacePrivate::TouchEvent *e);
 110
 111     static void processCloseEvent(QWindowSystemInterfacePrivate::CloseEvent *e);
 112
 113     static void processGeometryChangeEvent(QWindowSystemInterfacePrivate::GeometryChangeEvent *e);
 114
 115     static void processEnterEvent(QWindowSystemInterfacePrivate::EnterEvent *e);
 116     static void processLeaveEvent(QWindowSystemInterfacePrivate::LeaveEvent *e);
 117
 118     static void processActivatedEvent(QWindowSystemInterfacePrivate::ActivatedWindowEvent *e);
 119     static void processWindowStateChangedEvent(QWindowSystemInterfacePrivate::WindowStateChangedEvent *e);
 120
 121     static void processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent *e);
 122
 123     static void updateFilteredScreenOrientation(QScreen *screen);
 124     static void reportScreenOrientationChange(QScreen *screen);
 125     static void reportScreenOrientationChange(QWindowSystemInterfacePrivate::ScreenOrientationEvent *e);
 126     static void reportGeometryChange(QWindowSystemInterfacePrivate::ScreenGeometryEvent *e);
 127     static void reportAvailableGeometryChange(QWindowSystemInterfacePrivate::ScreenAvailableGeometryEvent *e);
 128     static void reportLogicalDotsPerInchChange(QWindowSystemInterfacePrivate::ScreenLogicalDotsPerInchEvent *e);
 129     static void reportRefreshRateChange(QWindowSystemInterfacePrivate::ScreenRefreshRateEvent *e);
 130     static void processThemeChanged(QWindowSystemInterfacePrivate::ThemeChangeEvent *tce);
 131
 132     static void processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent *e);
 133
 134     static void processFileOpenEvent(QWindowSystemInterfacePrivate::FileOpenEvent *e);
 135
 136     static void processTabletEvent(QWindowSystemInterfacePrivate::TabletEvent *e);
 137     static void processTabletEnterProximityEvent(QWindowSystemInterfacePrivate::TabletEnterProximityEvent *e);
 138     static void processTabletLeaveProximityEvent(QWindowSystemInterfacePrivate::TabletLeaveProximityEvent *e);
 139
 140 #ifndef QT_NO_DRAGANDDROP
 141     static QPlatformDragQtResponse processDrag(QWindow *w, const QMimeData *dropData, const QPoint &p, Qt::DropActions supportedActions);
 142     static QPlatformDropQtResponse processDrop(QWindow *w, const QMimeData *dropData, const QPoint &p, Qt::DropActions supportedActions);
 143 #endif
 144
 145     static bool processNativeEvent(QWindow *window, const QByteArray &eventType, void *message, long *result);
 146
 147     static void sendQWindowEventToQPlatformWindow(QWindow *window, QEvent *event);
 148
 149     static inline Qt::Alignment visualAlignment(Qt::LayoutDirection direction, Qt::Alignment alignment)
 150     {
 151         if (!(alignment & Qt::AlignHorizontal_Mask))
 152             alignment |= Qt::AlignLeft;
 153         if ((alignment & Qt::AlignAbsolute) == 0 && (alignment & (Qt::AlignLeft | Qt::AlignRight))) {
 154             if (direction == Qt::RightToLeft)
 155                 alignment ^= (Qt::AlignLeft | Qt::AlignRight);
 156             alignment |= Qt::AlignAbsolute;
 157         }
 158         return alignment;
 159     }
 160
 161     static void emitLastWindowClosed();
 162
 163     QPixmap getPixmapCursor(Qt::CursorShape cshape);
 164
 165     void q_updateFocusObject(QObject *object);
 166
 167     static QGuiApplicationPrivate *instance() { return self; }
 168
 169     static QString *platform_name;
 170     static QString *displayName;
 171
 172     QWindowList modalWindowList;
 173     static void showModalWindow(QWindow *window);
 174     static void hideModalWindow(QWindow *window);
 175     static void updateBlockedStatus(QWindow *window);
 176     virtual bool isWindowBlocked(QWindow *window, QWindow **blockingWindow = 0) const;
 177
 178     static Qt::MouseButtons buttons;
 179     static ulong mousePressTime;
 180     static Qt::MouseButton mousePressButton;
 181     static int mousePressX;
 182     static int mousePressY;
 183     static int mouse_double_click_distance;
 184     static QPointF lastCursorPosition;
 185     static bool tabletState;
 186     static QWindow *tabletPressTarget;
 187
 188 #ifndef QT_NO_CLIPBOARD
 189     static QClipboard *qt_clipboard;
 190 #endif
 191
 192     static QPalette *app_pal;
 193
 194     static QWindowList window_list;
 195     static QWindow *focus_window;
 196
 197 #ifndef QT_NO_CURSOR
 198     QList<QCursor> cursor_list;
 199 #endif
 200     static QList<QScreen *> screen_list;
 201
 202     static QFont *app_font;
 203
 204     QStyleHints *styleHints;
 205     static bool obey_desktop_settings;
 206     QInputMethod *inputMethod;
 207
 208     static QList<QObject *> generic_plugin_list;
 209 #ifndef QT_NO_SHORTCUT
 210     QShortcutMap shortcutMap;
 211 #endif
 212
 213     struct ActiveTouchPointsKey {
 214         ActiveTouchPointsKey(QTouchDevice *dev, int id) : device(dev), touchPointId(id) { }
 215         QTouchDevice *device;
 216         int touchPointId;
 217     };
 218     struct ActiveTouchPointsValue {
 219         QPointer<QWindow> window;
 220         QPointer<QObject> target;
 221         QTouchEvent::TouchPoint touchPoint;
 222     };
 223     QHash<ActiveTouchPointsKey, ActiveTouchPointsValue> activeTouchPoints;
 224     QEvent::Type lastTouchType;
 225     struct SynthesizedMouseData {
 226         SynthesizedMouseData(const QPointF &p, const QPointF &sp, QWindow *w)
 227             : pos(p), screenPos(sp), window(w) { }
 228         QPointF pos;
 229         QPointF screenPos;
 230         QPointer<QWindow> window;
 231     };
 232     QHash<QWindow *, SynthesizedMouseData> synthesizedMousePoints;
 233
 234     static int mouseEventCaps(QMouseEvent *event);
 235     static QVector2D mouseEventVelocity(QMouseEvent *event);
 236     static void setMouseEventCapsAndVelocity(QMouseEvent *event, int caps, const QVector2D &velocity);
 237     static void setMouseEventCapsAndVelocity(QMouseEvent *event, QMouseEvent *other);
 238
 239     const QDrawHelperGammaTables *gammaTables();
 240
 241     // hook reimplemented in QApplication to apply the QStyle function on the QIcon
 242     virtual QPixmap applyQIconStyleHelper(QIcon::Mode, const QPixmap &basePixmap) const { return basePixmap; }
 243
 244 protected:
 245     virtual void notifyThemeChanged();
 246 #ifndef QT_NO_DRAGANDDROP
 247     virtual void notifyDragStarted(const QDrag *);
 248 #endif // QT_NO_DRAGANDDROP
 249
 250 private:
 251     friend class QDragManager;
 252
 253     void init();
 254
 255     static QGuiApplicationPrivate *self;
 256     static QTouchDevice *m_fakeTouchDevice;
 257     static int m_fakeMouseSourcePointId;
 258     QAtomicPointer<QDrawHelperGammaTables> m_gammaTables;
 259 };
 260
 261 Q_GUI_EXPORT uint qHash(const QGuiApplicationPrivate::ActiveTouchPointsKey &k);
 262
 263 Q_GUI_EXPORT bool operator==(const QGuiApplicationPrivate::ActiveTouchPointsKey &a,
 264                              const QGuiApplicationPrivate::ActiveTouchPointsKey &b);
 265
 266 QT_END_NAMESPACE
 267
 268 QT_END_HEADER
 269
 270 #endif // QGUIAPPLICATION_P_H