summaryrefslogtreecommitdiffstats
path: root/src/gui/kernel/qapplication_p.h
blob: e839617a40350b7303c0b67f8b18d81d60bf5ff1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** 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 either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/

#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

QT_BEGIN_NAMESPACE

class QClipboard;
class QGraphicsScene;
class QGraphicsSystem;
class QInputContext;
class QObject;
class QWidget;
class QGestureManager;
class QSocketNotifier;

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 QPanGesture;
class QPinchGesture;
struct QStandardGestures
{
    QPanGesture *pan;
    QPinchGesture *pinch;

    QStandardGestures() : pan(0), pinch(0) { }
};


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 QString x11_desktop_style();
    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
#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 bool keypadNavigation;
    static QWidget *oldEditFocus;
#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 TUint resolveS60ScanCode(TInt scanCode, TUint keysym);
#endif
#if defined(Q_WS_WIN) || defined(Q_WS_X11)
    void sendSyntheticEnterLeave(QWidget *widget);
#endif

    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);

    typedef QMap<QWidget*, QStandardGestures> WidgetStandardGesturesMap;
    WidgetStandardGesturesMap widgetGestures;

#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;
    QWidget *gestureWidget;
#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

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);
};

Q_GUI_EXPORT void qt_translateRawTouchEvent(QWidget *window,
                                            QTouchEvent::DeviceType deviceType,
                                            const QList<QTouchEvent::TouchPoint> &touchPoints);

QT_END_NAMESPACE

#endif // QAPPLICATION_P_H