source: trunk/src/gui/kernel/qapplication_p.h@ 642

Last change on this file since 642 was 561, checked in by Dmitry A. Kuminov, 15 years ago

trunk: Merged in qt 4.6.1 sources.
File size: 18.8 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation ([email protected])
6**
7** This file is part of the QtGui module of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:LGPL$
10** Commercial Usage
11** Licensees holding valid Qt Commercial licenses may use this file in
12** accordance with the Qt Commercial License Agreement provided with the
13** Software or, alternatively, in accordance with the terms contained in
14** a written agreement between you and Nokia.
15**
16** GNU Lesser General Public License Usage
17** Alternatively, this file may be used under the terms of the GNU Lesser
18** General Public License version 2.1 as published by the Free Software
19** Foundation and appearing in the file LICENSE.LGPL included in the
20** packaging of this file. Please review the following information to
21** ensure the GNU Lesser General Public License version 2.1 requirements
22** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
23**
24** In addition, as a special exception, Nokia gives you certain additional
25** rights. These rights are described in the Nokia Qt LGPL Exception
26** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you have questions regarding the use of this file, please contact
37** Nokia at [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#ifndef QAPPLICATION_P_H
43#define QAPPLICATION_P_H
44
45//
46// W A R N I N G
47// -------------
48//
49// This file is not part of the Qt API. It exists for the convenience
50// of qapplication_*.cpp, qwidget*.cpp, qcolor_x11.cpp, qfiledialog.cpp
51// and many other. This header file may change from version to version
52// without notice, or even be removed.
53//
54// We mean it.
55//
56
57#include "QtGui/qapplication.h"
58#include "QtGui/qevent.h"
59#include "QtGui/qfont.h"
60#include "QtGui/qcursor.h"
61#include "QtGui/qregion.h"
62#include "QtCore/qmutex.h"
63#include "QtCore/qtranslator.h"
64#include "QtCore/qbasictimer.h"
65#include "QtCore/qhash.h"
66#include "QtCore/qpointer.h"
67#include "private/qcoreapplication_p.h"
68#include "private/qshortcutmap_p.h"
69#include <private/qthread_p.h>
70#ifdef Q_WS_QWS
71#include "QtGui/qscreen_qws.h"
72#include <private/qgraphicssystem_qws_p.h>
73#endif
74#ifdef Q_OS_SYMBIAN
75#include <w32std.h>
76#endif
77
78QT_BEGIN_NAMESPACE
79
80class QClipboard;
81class QGraphicsScene;
82class QGraphicsSystem;
83class QInputContext;
84class QObject;
85class QWidget;
86class QSocketNotifier;
87class QGestureManager;
88
89extern bool qt_is_gui_used;
90#ifndef QT_NO_CLIPBOARD
91extern QClipboard *qt_clipboard;
92#endif
93
94#if defined (Q_OS_WIN32) || defined (Q_OS_CYGWIN) || defined(Q_OS_WINCE)
95extern QSysInfo::WinVersion qt_winver;
96enum { QT_TABLET_NPACKETQSIZE = 128 };
97# ifdef Q_OS_WINCE
98 extern DWORD qt_cever;
99# endif
100#elif defined (Q_OS_MAC)
101extern QSysInfo::MacVersion qt_macver;
102#endif
103#if defined(Q_WS_QWS)
104class QWSManager;
105class QDirectPainter;
106struct QWSServerCleaner { ~QWSServerCleaner(); };
107#endif
108
109#ifndef QT_NO_TABLET
110struct QTabletDeviceData
111{
112#ifndef Q_WS_MAC
113 int minPressure;
114 int maxPressure;
115 int minTanPressure;
116 int maxTanPressure;
117 int minX, maxX, minY, maxY, minZ, maxZ;
118 inline QPointF scaleCoord(int coordX, int coordY, int outOriginX, int outExtentX,
119 int outOriginY, int outExtentY) const;
120#endif
121
122#if defined(Q_WS_X11) || (defined(Q_WS_MAC) && !defined(QT_MAC_USE_COCOA))
123 QPointer<QWidget> widgetToGetPress;
124#endif
125
126#ifdef Q_WS_X11
127 int deviceType;
128 enum {
129 TOTAL_XINPUT_EVENTS = 64
130 };
131 void *device;
132 int eventCount;
133 long unsigned int eventList[TOTAL_XINPUT_EVENTS]; // XEventClass is in fact a long unsigned int
134
135 int xinput_motion;
136 int xinput_key_press;
137 int xinput_key_release;
138 int xinput_button_press;
139 int xinput_button_release;
140 int xinput_proximity_in;
141 int xinput_proximity_out;
142#elif defined(Q_WS_WIN)
143 qint64 llId;
144 int currentDevice;
145 int currentPointerType;
146#elif defined(Q_WS_MAC)
147 quint64 tabletUniqueID;
148 int tabletDeviceType;
149 int tabletPointerType;
150 int capabilityMask;
151#endif
152};
153
154static inline int sign(int x)
155{
156 return x >= 0 ? 1 : -1;
157}
158
159#ifndef Q_WS_MAC
160inline QPointF QTabletDeviceData::scaleCoord(int coordX, int coordY,
161 int outOriginX, int outExtentX,
162 int outOriginY, int outExtentY) const
163{
164 QPointF ret;
165
166 if (sign(outExtentX) == sign(maxX))
167 ret.setX(((coordX - minX) * qAbs(outExtentX) / qAbs(qreal(maxX - minX))) + outOriginX);
168 else
169 ret.setX(((qAbs(maxX) - (coordX - minX)) * qAbs(outExtentX) / qAbs(qreal(maxX - minX)))
170 + outOriginX);
171
172 if (sign(outExtentY) == sign(maxY))
173 ret.setY(((coordY - minY) * qAbs(outExtentY) / qAbs(qreal(maxY - minY))) + outOriginY);
174 else
175 ret.setY(((qAbs(maxY) - (coordY - minY)) * qAbs(outExtentY) / qAbs(qreal(maxY - minY)))
176 + outOriginY);
177
178 return ret;
179}
180#endif
181
182typedef QList<QTabletDeviceData> QTabletDeviceDataList;
183QTabletDeviceDataList *qt_tablet_devices();
184# if defined(Q_WS_MAC)
185typedef QHash<int, QTabletDeviceData> QMacTabletHash;
186QMacTabletHash *qt_mac_tablet_hash();
187# endif
188#endif
189
190#ifdef QT3_SUPPORT
191extern "C" {
192 typedef bool (*Ptrqt_tryAccelEvent)(QWidget *w, QKeyEvent *e);
193 typedef bool (*Ptrqt_tryComposeUnicode)(QWidget *w, QKeyEvent *e);
194 typedef bool (*Ptrqt_dispatchAccelEvent)(QWidget *w, QKeyEvent *e);
195}
196#endif
197
198#if defined(Q_WS_WIN)
199typedef BOOL (WINAPI *PtrRegisterTouchWindow)(HWND, ULONG);
200typedef BOOL (WINAPI *PtrGetTouchInputInfo)(HANDLE, UINT, PVOID, int);
201typedef BOOL (WINAPI *PtrCloseTouchInputHandle)(HANDLE);
202
203typedef BOOL (WINAPI *PtrGetGestureInfo)(HANDLE, PVOID);
204typedef BOOL (WINAPI *PtrGetGestureExtraArgs)(HANDLE, UINT, PBYTE);
205typedef BOOL (WINAPI *PtrCloseGestureInfoHandle)(HANDLE);
206typedef BOOL (WINAPI *PtrSetGestureConfig)(HWND, DWORD, UINT, PVOID, UINT);
207typedef BOOL (WINAPI *PtrGetGestureConfig)(HWND, DWORD, DWORD, PUINT, PVOID, UINT);
208
209typedef BOOL (WINAPI *PtrBeginPanningFeedback)(HWND);
210typedef BOOL (WINAPI *PtrUpdatePanningFeedback)(HWND, LONG, LONG, BOOL);
211typedef BOOL (WINAPI *PtrEndPanningFeedback)(HWND, BOOL);
212
213#ifndef WM_GESTURE
214# define WM_GESTURE 0x0119
215
216# define GID_BEGIN 1
217# define GID_END 2
218# define GID_ZOOM 3
219# define GID_PAN 4
220# define GID_ROTATE 5
221# define GID_TWOFINGERTAP 6
222# define GID_ROLLOVER 7
223
224typedef struct tagGESTUREINFO
225{
226 UINT cbSize;
227 DWORD dwFlags;
228 DWORD dwID;
229 HWND hwndTarget;
230 POINTS ptsLocation;
231 DWORD dwInstanceID;
232 DWORD dwSequenceID;
233 ULONGLONG ullArguments;
234 UINT cbExtraArgs;
235} GESTUREINFO;
236
237# define GC_PAN 0x00000001
238# define GC_PAN_WITH_SINGLE_FINGER_VERTICALLY 0x00000002
239# define GC_PAN_WITH_SINGLE_FINGER_HORIZONTALLY 0x00000004
240
241# define GC_ZOOM 0x00000001
242# define GC_ROTATE 0x00000001
243
244typedef struct tagGESTURECONFIG
245{
246 DWORD dwID;
247 DWORD dwWant;
248 DWORD dwBlock;
249} GESTURECONFIG;
250
251# define GID_ROTATE_ANGLE_FROM_ARGUMENT(arg) ((((double)(arg) / 65535.0) * 4.0 * 3.14159265) - 2.0*3.14159265)
252
253#endif // WM_GESTURE
254
255#if defined(Q_WS_WINCE_WM) && defined(QT_WINCE_GESTURES)
256#undef GID_ZOOM
257#define GID_ZOOM 0xf000
258#undef GID_ROTATE
259#define GID_ROTATE 0xf001
260#undef GID_TWOFINGERTAP
261#define GID_TWOFINGERTAP 0xf002
262#undef GID_ROLLOVER
263#define GID_ROLLOVER 0xf003
264#endif
265
266#endif // Q_WS_WIN
267
268class QScopedLoopLevelCounter
269{
270 QThreadData *threadData;
271public:
272 QScopedLoopLevelCounter(QThreadData *threadData)
273 : threadData(threadData)
274 { ++threadData->loopLevel; }
275 ~QScopedLoopLevelCounter()
276 { --threadData->loopLevel; }
277};
278
279typedef QHash<QByteArray, QFont> FontHash;
280FontHash *qt_app_fonts_hash();
281
282typedef QHash<QByteArray, QPalette> PaletteHash;
283PaletteHash *qt_app_palettes_hash();
284
285class Q_GUI_EXPORT QApplicationPrivate : public QCoreApplicationPrivate
286{
287 Q_DECLARE_PUBLIC(QApplication)
288public:
289 QApplicationPrivate(int &argc, char **argv, QApplication::Type type);
290 ~QApplicationPrivate();
291
292#if defined(Q_WS_X11)
293#ifndef QT_NO_SETTINGS
294 static bool x11_apply_settings();
295#endif
296 static void reset_instance_pointer();
297#elif defined(Q_WS_QWS)
298 static bool qws_apply_settings();
299 static QWidget *findWidget(const QObjectList&, const QPoint &, bool rec);
300#endif
301 static bool quitOnLastWindowClosed;
302 static void emitLastWindowClosed();
303#ifdef Q_WS_WINCE
304 static int autoMaximizeThreshold;
305#endif
306 static bool autoSipEnabled;
307 static QString desktopStyleKey();
308
309 static QGraphicsSystem *graphicsSystem()
310#if !defined(Q_WS_QWS)
311 { return graphics_system; }
312#else
313 { return QScreen::instance()->graphicsSystem(); }
314#endif
315
316 void createEventDispatcher();
317 QString appName() const;
318 static void dispatchEnterLeave(QWidget *enter, QWidget *leave);
319
320 //modality
321 static void enterModal(QWidget*);
322 static void leaveModal(QWidget*);
323 static void enterModal_sys(QWidget*);
324 static void leaveModal_sys(QWidget*);
325 static bool isBlockedByModal(QWidget *widget);
326 static bool modalState();
327 static bool tryModalHelper(QWidget *widget, QWidget **rettop = 0);
328#ifdef Q_WS_MAC
329 static QWidget *tryModalHelper_sys(QWidget *top);
330 bool canQuit();
331#endif
332
333 bool notify_helper(QObject *receiver, QEvent * e);
334
335 void construct(
336#ifdef Q_WS_X11
337 Display *dpy = 0, Qt::HANDLE visual = 0, Qt::HANDLE cmap = 0
338#endif
339 );
340 void initialize();
341 void process_cmdline();
342
343#if defined(Q_WS_X11)
344 static void x11_initialize_style();
345#endif
346
347 enum KeyPlatform {
348 KB_Win = 1,
349 KB_Mac = 2,
350 KB_X11 = 4,
351 KB_KDE = 8,
352 KB_Gnome = 16,
353 KB_CDE = 32,
354 KB_S60 = 64,
355 KB_All = 0xffff
356 };
357
358 static uint currentPlatform();
359 bool inPopupMode() const;
360 void closePopup(QWidget *popup);
361 void openPopup(QWidget *popup);
362 static void setFocusWidget(QWidget *focus, Qt::FocusReason reason);
363 static QWidget *focusNextPrevChild_helper(QWidget *toplevel, bool next);
364