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Diffstat (limited to 'src/widgets/kernel/qapplication_p.h')
| -rw-r--r-- | src/widgets/kernel/qapplication_p.h | 626 |
1 files changed, 626 insertions, 0 deletions
diff --git a/src/widgets/kernel/qapplication_p.h b/src/widgets/kernel/qapplication_p.h new file mode 100644 index 0000000000..ad649f6555 --- /dev/null +++ b/src/widgets/kernel/qapplication_p.h @@ -0,0 +1,626 @@ +/**************************************************************************** +** +** Copyright (C) 2011 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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 "QtWidgets/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> +#include "QtCore/qpoint.h" +#include <QTime> +#ifdef Q_OS_SYMBIAN +#include <w32std.h> +#endif +#ifdef Q_WS_QPA +#include <QWindowSystemInterface> +#include "private/qwindowsysteminterface_qpa_p.h" +#include "QtGui/qplatformintegration_qpa.h" +#include "private/qguiapplication_p.h" +#endif + +QT_BEGIN_NAMESPACE + +class QClipboard; +class QGraphicsScene; +class QInputContext; +class QObject; +class QWidget; +class QSocketNotifier; +#ifndef QT_NO_GESTURES +class QGestureManager; +#endif + +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); + +#ifndef QT_NO_GESTURES +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 // QT_NO_GESTURES + +#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(); + +#ifdef Q_WS_QPA +#define QApplicationPrivateBase QGuiApplicationPrivate +#else +#define QApplicationPrivateBase QCoreApplicationPrivate +#endif + +class Q_GUI_EXPORT QApplicationPrivate : public QApplicationPrivateBase +{ + Q_DECLARE_PUBLIC(QApplication) +public: + QApplicationPrivate(int &argc, char **argv, QApplication::Type type, int flags); + ~QApplicationPrivate(); + + virtual void notifyLayoutDirectionChange(); + +#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(); + + + 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 + + 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_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 *sys_pal; + static QPalette *set_pal; + +private: +#ifndef Q_WS_QPA + static QFont *app_font; // private for a reason! Always use QApplication::font() instead! +#endif +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; +#ifndef QT_NO_WHEELEVENT + static int wheel_scroll_lines; +#endif + + 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 + static QString qmljs_debug_arguments; // a string containing arguments for js/qml debugging. + static QString qmljsDebugArgumentsString(); // access string from other libraries + +#ifdef Q_WS_MAC + static bool native_modal_dialog_active; +#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 *); +#ifdef QT_MAC_USE_COCOA + static void qt_initAfterNSAppStarted(); + static void setupAppleEvents(); +#endif + 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; + +#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 QSymbianEvent *symbianEvent); + int symbianHandleCommand(const QSymbianEvent *symbianEvent); + int symbianResourceChange(const QSymbianEvent *symbianEvent); + + void _q_aboutToQuit(); +#endif +#if defined(Q_WS_WIN) || defined(Q_WS_X11) || defined (Q_WS_QWS) || defined(Q_WS_MAC) || defined(Q_WS_QPA) + void sendSyntheticEnterLeave(QWidget *widget); +#endif + +#ifndef QT_NO_GESTURES + QGestureManager *gestureManager; + QWidget *gestureWidget; +#endif +#if defined(Q_WS_X11) || defined(Q_WS_WIN) + QPixmap *move_cursor; + QPixmap *copy_cursor; + QPixmap *link_cursor; +#endif +#if defined(Q_WS_WIN) + QPixmap *ignore_cursor; +#endif + + QMap<int, QWeakPointer<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 bool HasTouchSupport; + static PtrRegisterTouchWindow RegisterTouchWindow; + static PtrGetTouchInputInfo GetTouchInputInfo; + static PtrCloseTouchInputHandle CloseTouchInputHandle; + + QHash<DWORD, int> touchInputIDToTouchPointID; + bool translateTouchEvent(const MSG &msg); + +#ifndef QT_NO_GESTURES + PtrGetGestureInfo GetGestureInfo; + PtrGetGestureExtraArgs GetGestureExtraArgs; + PtrCloseGestureInfoHandle CloseGestureInfoHandle; + PtrSetGestureConfig SetGestureConfig; + PtrGetGestureConfig GetGestureConfig; + PtrBeginPanningFeedback BeginPanningFeedback; + PtrUpdatePanningFeedback UpdatePanningFeedback; + PtrEndPanningFeedback EndPanningFeedback; +#endif // QT_NO_GESTURES +#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_OS_SYMBIAN) + int pressureSupported; + int maxTouchPressure; + QList<QTouchEvent::TouchPoint> appAllTouchPoints; + + bool useTranslucentEGLSurfaces; +#endif + +private: +#ifdef Q_WS_QWS + QMap<const QScreen*, QRect> maxWindowRects; +#endif + +#ifdef Q_OS_SYMBIAN + 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); +#else + extern void qt_qpa_set_cursor(QWidget * w, bool force); +#endif + +QT_END_NAMESPACE + +#endif // QAPPLICATION_P_H |