src/gui/kernel/qapplication_p.h
changeset 0 1918ee327afb
child 3 41300fa6a67c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/kernel/qapplication_p.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,608 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QAPPLICATION_P_H
+#define QAPPLICATION_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of qapplication_*.cpp, qwidget*.cpp, qcolor_x11.cpp, qfiledialog.cpp
+// and many other.  This header file may change from version to version
+// without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtGui/qapplication.h"
+#include "QtGui/qevent.h"
+#include "QtGui/qfont.h"
+#include "QtGui/qcursor.h"
+#include "QtGui/qregion.h"
+#include "QtCore/qmutex.h"
+#include "QtCore/qtranslator.h"
+#include "QtCore/qbasictimer.h"
+#include "QtCore/qhash.h"
+#include "QtCore/qpointer.h"
+#include "private/qcoreapplication_p.h"
+#include "private/qshortcutmap_p.h"
+#include <private/qthread_p.h>
+#ifdef Q_WS_QWS
+#include "QtGui/qscreen_qws.h"
+#include <private/qgraphicssystem_qws_p.h>
+#endif
+#ifdef Q_OS_SYMBIAN
+#include <w32std.h> 
+#endif
+
+QT_BEGIN_NAMESPACE
+
+class QClipboard;
+class QGraphicsScene;
+class QGraphicsSystem;
+class QInputContext;
+class QObject;
+class QWidget;
+class QSocketNotifier;
+class QGestureManager;
+
+extern bool qt_is_gui_used;
+#ifndef QT_NO_CLIPBOARD
+extern QClipboard *qt_clipboard;
+#endif
+
+#if defined (Q_OS_WIN32) || defined (Q_OS_CYGWIN) || defined(Q_OS_WINCE)
+extern QSysInfo::WinVersion qt_winver;
+enum { QT_TABLET_NPACKETQSIZE = 128 };
+# ifdef Q_OS_WINCE
+  extern DWORD qt_cever;
+# endif
+#elif defined (Q_OS_MAC)
+extern QSysInfo::MacVersion qt_macver;
+#endif
+#if defined(Q_WS_QWS)
+class QWSManager;
+class QDirectPainter;
+struct QWSServerCleaner { ~QWSServerCleaner(); };
+#endif
+
+#ifndef QT_NO_TABLET
+struct QTabletDeviceData
+{
+#ifndef Q_WS_MAC
+    int minPressure;
+    int maxPressure;
+    int minTanPressure;
+    int maxTanPressure;
+    int minX, maxX, minY, maxY, minZ, maxZ;
+    inline QPointF scaleCoord(int coordX, int coordY, int outOriginX, int outExtentX,
+                              int outOriginY, int outExtentY) const;
+#endif
+
+#if defined(Q_WS_X11) || (defined(Q_WS_MAC) && !defined(QT_MAC_USE_COCOA))
+    QPointer<QWidget> widgetToGetPress;
+#endif
+
+#ifdef Q_WS_X11
+    int deviceType;
+    enum {
+        TOTAL_XINPUT_EVENTS = 64
+    };
+    void *device;
+    int eventCount;
+    long unsigned int eventList[TOTAL_XINPUT_EVENTS]; // XEventClass is in fact a long unsigned int
+
+    int xinput_motion;
+    int xinput_key_press;
+    int xinput_key_release;
+    int xinput_button_press;
+    int xinput_button_release;
+    int xinput_proximity_in;
+    int xinput_proximity_out;
+#elif defined(Q_WS_WIN)
+    qint64 llId;
+    int currentDevice;
+    int currentPointerType;
+#elif defined(Q_WS_MAC)
+    quint64 tabletUniqueID;
+    int tabletDeviceType;
+    int tabletPointerType;
+    int capabilityMask;
+#endif
+};
+
+static inline int sign(int x)
+{
+    return x >= 0 ? 1 : -1;
+}
+
+#ifndef Q_WS_MAC
+inline QPointF QTabletDeviceData::scaleCoord(int coordX, int coordY,
+                                            int outOriginX, int outExtentX,
+                                            int outOriginY, int outExtentY) const
+{
+    QPointF ret;
+
+    if (sign(outExtentX) == sign(maxX))
+        ret.setX(((coordX - minX) * qAbs(outExtentX) / qAbs(qreal(maxX - minX))) + outOriginX);
+    else
+        ret.setX(((qAbs(maxX) - (coordX - minX)) * qAbs(outExtentX) / qAbs(qreal(maxX - minX)))
+                 + outOriginX);
+
+    if (sign(outExtentY) == sign(maxY))
+        ret.setY(((coordY - minY) * qAbs(outExtentY) / qAbs(qreal(maxY - minY))) + outOriginY);
+    else
+        ret.setY(((qAbs(maxY) - (coordY - minY)) * qAbs(outExtentY) / qAbs(qreal(maxY - minY)))
+                 + outOriginY);
+
+    return ret;
+}
+#endif
+
+typedef QList<QTabletDeviceData> QTabletDeviceDataList;
+QTabletDeviceDataList *qt_tablet_devices();
+# if defined(Q_WS_MAC)
+typedef QHash<int, QTabletDeviceData> QMacTabletHash;
+QMacTabletHash *qt_mac_tablet_hash();
+# endif
+#endif
+
+#ifdef QT3_SUPPORT
+extern "C" {
+    typedef bool (*Ptrqt_tryAccelEvent)(QWidget *w, QKeyEvent *e);
+    typedef bool (*Ptrqt_tryComposeUnicode)(QWidget *w, QKeyEvent *e);
+    typedef bool (*Ptrqt_dispatchAccelEvent)(QWidget *w, QKeyEvent *e);
+}
+#endif
+
+#if defined(Q_WS_WIN)
+typedef BOOL (WINAPI *PtrRegisterTouchWindow)(HWND, ULONG);
+typedef BOOL (WINAPI *PtrGetTouchInputInfo)(HANDLE, UINT, PVOID, int);
+typedef BOOL (WINAPI *PtrCloseTouchInputHandle)(HANDLE);
+
+typedef BOOL (WINAPI *PtrGetGestureInfo)(HANDLE, PVOID);
+typedef BOOL (WINAPI *PtrGetGestureExtraArgs)(HANDLE, UINT, PBYTE);
+typedef BOOL (WINAPI *PtrCloseGestureInfoHandle)(HANDLE);
+typedef BOOL (WINAPI *PtrSetGestureConfig)(HWND, DWORD, UINT, PVOID, UINT);
+typedef BOOL (WINAPI *PtrGetGestureConfig)(HWND, DWORD, DWORD, PUINT, PVOID, UINT);
+
+typedef BOOL (WINAPI *PtrBeginPanningFeedback)(HWND);
+typedef BOOL (WINAPI *PtrUpdatePanningFeedback)(HWND, LONG, LONG, BOOL);
+typedef BOOL (WINAPI *PtrEndPanningFeedback)(HWND, BOOL);
+
+#ifndef WM_GESTURE
+#  define WM_GESTURE 0x0119
+
+#  define GID_BEGIN                       1
+#  define GID_END                         2
+#  define GID_ZOOM                        3
+#  define GID_PAN                         4
+#  define GID_ROTATE                      5
+#  define GID_TWOFINGERTAP                6
+#  define GID_ROLLOVER                    7
+
+typedef struct tagGESTUREINFO
+{
+    UINT cbSize;
+    DWORD dwFlags;
+    DWORD dwID;
+    HWND hwndTarget;
+    POINTS ptsLocation;
+    DWORD dwInstanceID;
+    DWORD dwSequenceID;
+    ULONGLONG ullArguments;
+    UINT cbExtraArgs;
+} GESTUREINFO;
+
+#  define GC_PAN                                      0x00000001
+#  define GC_PAN_WITH_SINGLE_FINGER_VERTICALLY        0x00000002
+#  define GC_PAN_WITH_SINGLE_FINGER_HORIZONTALLY      0x00000004
+
+#  define GC_ZOOM                                     0x00000001
+#  define GC_ROTATE                                   0x00000001
+
+typedef struct tagGESTURECONFIG
+{
+    DWORD dwID;
+    DWORD dwWant;
+    DWORD dwBlock;
+} GESTURECONFIG;
+
+#  define GID_ROTATE_ANGLE_FROM_ARGUMENT(arg) ((((double)(arg) / 65535.0) * 4.0 * 3.14159265) - 2.0*3.14159265)
+
+#endif // WM_GESTURE
+
+#if defined(Q_WS_WINCE_WM) && defined(QT_WINCE_GESTURES)
+#undef GID_ZOOM
+#define GID_ZOOM 0xf000
+#undef GID_ROTATE
+#define GID_ROTATE 0xf001
+#undef GID_TWOFINGERTAP
+#define GID_TWOFINGERTAP 0xf002
+#undef GID_ROLLOVER
+#define GID_ROLLOVER 0xf003
+#endif
+
+#endif // Q_WS_WIN
+
+class QScopedLoopLevelCounter
+{
+    QThreadData *threadData;
+public:
+    QScopedLoopLevelCounter(QThreadData *threadData)
+        : threadData(threadData)
+    { ++threadData->loopLevel; }
+    ~QScopedLoopLevelCounter()
+    { --threadData->loopLevel; }
+};
+
+typedef QHash<QByteArray, QFont> FontHash;
+FontHash *qt_app_fonts_hash();
+
+typedef QHash<QByteArray, QPalette> PaletteHash;
+PaletteHash *qt_app_palettes_hash();
+
+class Q_GUI_EXPORT QApplicationPrivate : public QCoreApplicationPrivate
+{
+    Q_DECLARE_PUBLIC(QApplication)
+public:
+    QApplicationPrivate(int &argc, char **argv, QApplication::Type type);
+    ~QApplicationPrivate();
+
+#if defined(Q_WS_X11)
+#ifndef QT_NO_SETTINGS
+    static bool x11_apply_settings();
+#endif
+    static void reset_instance_pointer();
+#elif defined(Q_WS_QWS)
+    static bool qws_apply_settings();
+    static QWidget *findWidget(const QObjectList&, const QPoint &, bool rec);
+#endif
+    static bool quitOnLastWindowClosed;
+    static void emitLastWindowClosed();
+#ifdef Q_WS_WINCE
+    static int autoMaximizeThreshold;
+#endif
+    static bool autoSipEnabled;
+    static QString desktopStyleKey();
+
+    static QGraphicsSystem *graphicsSystem()
+#if !defined(Q_WS_QWS)
+    { return graphics_system; }
+#else
+    { return QScreen::instance()->graphicsSystem(); }
+#endif
+
+    void createEventDispatcher();
+    QString appName() const;
+    static void dispatchEnterLeave(QWidget *enter, QWidget *leave);
+
+    //modality
+    static void enterModal(QWidget*);
+    static void leaveModal(QWidget*);
+    static void enterModal_sys(QWidget*);
+    static void leaveModal_sys(QWidget*);
+    static bool isBlockedByModal(QWidget *widget);
+    static bool modalState();
+    static bool tryModalHelper(QWidget *widget, QWidget **rettop = 0);
+#ifdef Q_WS_MAC
+    static QWidget *tryModalHelper_sys(QWidget *top);
+	bool canQuit();
+#endif
+
+    bool notify_helper(QObject *receiver, QEvent * e);
+
+    void construct(
+#ifdef Q_WS_X11
+                   Display *dpy = 0, Qt::HANDLE visual = 0, Qt::HANDLE cmap = 0
+#endif
+                   );
+    void initialize();
+    void process_cmdline();
+
+#if defined(Q_WS_X11)
+    static void x11_initialize_style();
+#endif
+
+    enum KeyPlatform {
+        KB_Win = 1,
+        KB_Mac = 2,
+        KB_X11 = 4,
+        KB_KDE = 8,
+        KB_Gnome = 16,
+        KB_CDE = 32,
+        KB_S60 = 64,
+        KB_All = 0xffff
+    };
+
+    static uint currentPlatform();
+    bool inPopupMode() const;
+    void closePopup(QWidget *popup);
+    void openPopup(QWidget *popup);
+    static void setFocusWidget(QWidget *focus, Qt::FocusReason reason);
+    static QWidget *focusNextPrevChild_helper(QWidget *toplevel, bool next);
+
+#ifndef QT_NO_SESSIONMANAGER
+    QSessionManager *session_manager;
+    QString session_id;
+    QString session_key;
+    bool is_session_restored;
+#endif
+
+#ifndef QT_NO_CURSOR
+    QList<QCursor> cursor_list;
+#endif
+#ifndef QT_NO_GRAPHICSVIEW
+    // Maintain a list of all scenes to ensure font and palette propagation to
+    // all scenes.
+    QList<QGraphicsScene *> scene_list;
+#endif
+
+    QBasicTimer toolTipWakeUp, toolTipFallAsleep;
+    QPoint toolTipPos, toolTipGlobalPos, hoverGlobalPos;
+    QPointer<QWidget> toolTipWidget;
+#ifndef QT_NO_SHORTCUT
+    QShortcutMap shortcutMap;
+#endif
+
+#ifdef QT3_SUPPORT
+    bool qt_compat_used;
+    bool qt_compat_resolved;
+    Ptrqt_tryAccelEvent qt_tryAccelEvent;
+    Ptrqt_tryComposeUnicode qt_tryComposeUnicode;
+    Ptrqt_dispatchAccelEvent qt_dispatchAccelEvent;
+
+    bool use_compat() {
+        return qt_tryAccelEvent
+               && qt_tryComposeUnicode
+               && qt_dispatchAccelEvent;
+    }
+#endif
+    static QInputContext *inputContext;
+
+    static Qt::MouseButtons mouse_buttons;
+    static Qt::KeyboardModifiers modifier_buttons;
+
+    static QSize app_strut;
+    static QWidgetList *popupWidgets;
+    static QStyle *app_style;
+    static int app_cspec;
+    static QPalette *app_pal;
+    static QPalette *sys_pal;
+    static QPalette *set_pal;
+    static QGraphicsSystem *graphics_system;
+    static QString graphics_system_name;
+
+private:
+    static QFont *app_font; // private for a reason! Always use QApplication::font() instead!
+public:
+    static QFont *sys_font;
+    static QFont *set_font;
+    static QWidget *main_widget;
+    static QWidget *focus_widget;
+    static QWidget *hidden_focus_widget;
+    static QWidget *active_window;
+    static QIcon *app_icon;
+    static bool obey_desktop_settings;
+    static int  cursor_flash_time;
+    static int  mouse_double_click_time;
+    static int  keyboard_input_time;
+    static int  wheel_scroll_lines;
+
+    static bool animate_ui;
+    static bool animate_menu;
+    static bool animate_tooltip;
+    static bool animate_combo;
+    static bool fade_menu;
+    static bool fade_tooltip;
+    static bool animate_toolbox;
+    static bool widgetCount; // Coupled with -widgetcount switch
+    static bool load_testability; // Coupled with -testability switch
+#ifdef Q_WS_MAC
+    static bool native_modal_dialog_active;
+#endif
+#if defined(Q_WS_WIN) && !defined(Q_WS_WINCE)
+    static bool inSizeMove;
+#endif
+
+    static void setSystemPalette(const QPalette &pal);
+    static void setPalette_helper(const QPalette &palette, const char* className, bool clearWidgetPaletteHash);
+    static void initializeWidgetPaletteHash();
+    static void setSystemFont(const QFont &font);
+
+#if defined(Q_WS_X11)
+    static void applyX11SpecificCommandLineArguments(QWidget *main_widget);
+#elif defined(Q_WS_QWS)
+    static void applyQWSSpecificCommandLineArguments(QWidget *main_widget);
+#endif
+
+#ifdef Q_WS_MAC
+    static OSStatus globalEventProcessor(EventHandlerCallRef, EventRef, void *);
+    static OSStatus globalAppleEventProcessor(const AppleEvent *, AppleEvent *, long);
+    static OSStatus tabletProximityCallback(EventHandlerCallRef, EventRef, void *);
+    static bool qt_mac_apply_settings();
+#endif
+
+#ifdef Q_WS_QWS
+    QPointer<QWSManager> last_manager;
+    QWSServerCleaner qwsServerCleaner;
+# ifndef QT_NO_DIRECTPAINTER
+    QMap<WId, QDirectPainter *> *directPainters;
+# endif
+    QRect maxWindowRect(const QScreen *screen) const { return maxWindowRects[screen]; }
+    void setMaxWindowRect(const QScreen *screen, int screenNo, const QRect &rect);
+    void setScreenTransformation(QScreen *screen, int screenNo, int transformation);
+#endif
+
+    static QApplicationPrivate *instance() { return self; }
+
+    static QString styleOverride;
+
+    static int app_compile_version;
+
+#ifdef QT_KEYPAD_NAVIGATION
+    static QWidget *oldEditFocus;
+    static Qt::NavigationMode navigationMode;
+#endif
+
+#if defined(Q_WS_MAC) || defined(Q_WS_X11)
+    void _q_alertTimeOut();
+    QHash<QWidget *, QTimer *> alertTimerHash;
+#endif
+#ifndef QT_NO_STYLE_STYLESHEET
+    static QString styleSheet;
+#endif
+    static QPointer<QWidget> leaveAfterRelease;
+    static QWidget *pickMouseReceiver(QWidget *candidate, const QPoint &globalPos, QPoint &pos,
+                                      QEvent::Type type, Qt::MouseButtons buttons,
+                                      QWidget *buttonDown, QWidget *alienWidget);
+    static bool sendMouseEvent(QWidget *receiver, QMouseEvent *event, QWidget *alienWidget,
+                               QWidget *native, QWidget **buttonDown, QPointer<QWidget> &lastMouseReceiver,
+                               bool spontaneous = true);
+#ifdef Q_OS_SYMBIAN
+    static void setNavigationMode(Qt::NavigationMode mode);
+    static TUint resolveS60ScanCode(TInt scanCode, TUint keysym);
+    QSet<WId> nativeWindows;
+
+    int symbianProcessWsEvent(const TWsEvent *event);
+    int symbianHandleCommand(int command);
+    int symbianResourceChange(int type);
+
+#endif
+#if defined(Q_WS_WIN) || defined(Q_WS_X11) || defined (Q_WS_QWS)
+    void sendSyntheticEnterLeave(QWidget *widget);
+#endif
+
+    QGestureManager *gestureManager;
+
+    QMap<int, QWidget *> widgetForTouchPointId;
+    QMap<int, QTouchEvent::TouchPoint> appCurrentTouchPoints;
+    static void updateTouchPointsForWidget(QWidget *widget, QTouchEvent *touchEvent);
+    void initializeMultitouch();
+    void initializeMultitouch_sys();
+    void cleanupMultitouch();
+    void cleanupMultitouch_sys();
+    int findClosestTouchPointId(const QPointF &screenPos);
+    void appendTouchPoint(const QTouchEvent::TouchPoint &touchPoint);
+    void removeTouchPoint(int touchPointId);
+    static void translateRawTouchEvent(QWidget *widget,
+                                       QTouchEvent::DeviceType deviceType,
+                                       const QList<QTouchEvent::TouchPoint> &touchPoints);
+
+#if defined(Q_WS_WIN)
+    static PtrRegisterTouchWindow RegisterTouchWindow;
+    static PtrGetTouchInputInfo GetTouchInputInfo;
+    static PtrCloseTouchInputHandle CloseTouchInputHandle;
+
+    QHash<DWORD, int> touchInputIDToTouchPointID;
+    bool translateTouchEvent(const MSG &msg);
+
+    PtrGetGestureInfo GetGestureInfo;
+    PtrGetGestureExtraArgs GetGestureExtraArgs;
+    PtrCloseGestureInfoHandle CloseGestureInfoHandle;
+    PtrSetGestureConfig SetGestureConfig;
+    PtrGetGestureConfig GetGestureConfig;
+    PtrBeginPanningFeedback BeginPanningFeedback;
+    PtrUpdatePanningFeedback UpdatePanningFeedback;
+    PtrEndPanningFeedback EndPanningFeedback;
+#endif
+
+#ifdef QT_RX71_MULTITOUCH
+    bool hasRX71MultiTouch;
+
+    struct RX71TouchPointState {
+        QSocketNotifier *socketNotifier;
+        QTouchEvent::TouchPoint touchPoint;
+
+        int minX, maxX, scaleX;
+        int minY, maxY, scaleY;
+        int minZ, maxZ;
+    };
+    QList<RX71TouchPointState> allRX71TouchPoints;
+
+    bool readRX71MultiTouchEvents(int deviceNumber);
+    void fakeMouseEventFromRX71TouchEvent();
+    void _q_readRX71MultiTouchEvents();
+#endif
+
+#if defined(Q_WS_S60)
+    int maxTouchPressure;
+    QList<QTouchEvent::TouchPoint> appAllTouchPoints;
+#endif
+
+private:
+#ifdef Q_WS_QWS
+    QMap<const QScreen*, QRect> maxWindowRects;
+#endif
+
+#ifdef Q_OS_SYMBIAN
+    static QHash<TInt, TUint> scanCodeCache;
+#endif
+
+    static QApplicationPrivate *self;
+
+    static void giveFocusAccordingToFocusPolicy(QWidget *w,
+                                                Qt::FocusPolicy focusPolicy,
+                                                Qt::FocusReason focusReason);
+    static bool shouldSetFocus(QWidget *w, Qt::FocusPolicy policy);
+
+
+    static bool isAlien(QWidget *);
+};
+
+Q_GUI_EXPORT void qt_translateRawTouchEvent(QWidget *window,
+                                            QTouchEvent::DeviceType deviceType,
+                                            const QList<QTouchEvent::TouchPoint> &touchPoints);
+
+#if defined(Q_WS_WIN)
+  extern void qt_win_set_cursor(QWidget *, bool);
+#elif defined(Q_WS_X11)
+  extern void qt_x11_enforce_cursor(QWidget *, bool);
+  extern void qt_x11_enforce_cursor(QWidget *);
+#elif defined(Q_OS_SYMBIAN)
+  extern void qt_symbian_set_cursor(QWidget *, bool);
+#endif
+
+QT_END_NAMESPACE
+
+#endif // QAPPLICATION_P_H