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
|
/****************************************************************************
**
** Definition of some shared interal classes
**
** Created : 010427
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the kernel module of the TQt GUI Toolkit.
**
** This file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
** Alternatively you may (at your option) use any later version
** of the GNU General Public License if such license has been
** publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free TQt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
** included in the packaging of this file. Licensees holding valid TQt
** Commercial licenses may use this file in accordance with the TQt
** Commercial License Agreement provided with the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#ifndef TQINTERNAL_P_H
#define TQINTERNAL_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the TQt API. It exists for the convenience
// of a number of TQt sources files. This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//
//
#ifndef QT_H
#include "ntqnamespace.h"
#include "ntqrect.h"
#include "ntqptrlist.h"
#include "ntqcstring.h"
#include "ntqiodevice.h"
#endif // QT_H
class TQWidget;
class TQPainter;
class TQPixmap;
class Q_EXPORT TQSharedDoubleBuffer
{
public:
enum DoubleBufferFlags {
NoFlags = 0x00,
InitBG = 0x01,
Force = 0x02,
Default = InitBG | Force
};
typedef uint DBFlags;
TQSharedDoubleBuffer( DBFlags f = Default );
TQSharedDoubleBuffer( TQWidget* widget,
int x = 0, int y = 0, int w = -1, int h = -1,
DBFlags f = Default );
TQSharedDoubleBuffer( TQPainter* painter,
int x = 0, int y = 0, int w = -1, int h = -1,
DBFlags f = Default );
TQSharedDoubleBuffer( TQWidget *widget, const TQRect &r, DBFlags f = Default );
TQSharedDoubleBuffer( TQPainter *painter, const TQRect &r, DBFlags f = Default );
~TQSharedDoubleBuffer();
bool begin( TQWidget* widget, int x = 0, int y = 0, int w = -1, int h = -1 );
bool begin( TQPainter* painter, int x = 0, int y = 0, int w = -1, int h = -1);
bool begin( TQWidget* widget, const TQRect &r );
bool begin( TQPainter* painter, const TQRect &r );
bool end();
TQPainter* painter() const;
bool isActive() const;
bool isBuffered() const;
void flush();
static bool isDisabled() { return !dblbufr; }
static void setDisabled( bool off ) { dblbufr = !off; }
static void cleanup();
private:
enum DoubleBufferState {
Active = 0x0100,
BufferActive = 0x0200,
ExternalPainter = 0x0400
};
typedef uint DBState;
TQPixmap *getPixmap();
void releasePixmap();
TQWidget *wid;
int rx, ry, rw, rh;
DBFlags flags;
DBState state;
TQPainter *p, *external_p;
TQPixmap *pix;
static bool dblbufr;
};
inline bool TQSharedDoubleBuffer::begin( TQWidget* widget, const TQRect &r )
{ return begin( widget, r.x(), r.y(), r.width(), r.height() ); }
inline bool TQSharedDoubleBuffer::begin( TQPainter *painter, const TQRect &r )
{ return begin( painter, r.x(), r.y(), r.width(), r.height() ); }
inline TQPainter* TQSharedDoubleBuffer::painter() const
{ return p; }
inline bool TQSharedDoubleBuffer::isActive() const
{ return ( state & Active ); }
inline bool TQSharedDoubleBuffer::isBuffered() const
{ return ( state & BufferActive ); }
class TQVirtualDestructor {
public:
virtual ~TQVirtualDestructor() {}
};
template <class T>
class TQAutoDeleter : public TQVirtualDestructor {
public:
TQAutoDeleter( T* p ) : ptr( p ) {}
~TQAutoDeleter() { delete ptr; }
T* data() const { return ptr; }
private:
T* ptr;
};
template <class T>
T* qAutoDeleterData( TQAutoDeleter<T>* ad )
{
if ( !ad )
return 0;
return ad->data();
}
template <class T>
TQAutoDeleter<T>* qAutoDeleter( T* p )
{
return new TQAutoDeleter<T>( p );
}
class Q_EXPORT TQMembuf
{
public:
TQMembuf();
~TQMembuf();
void append( TQByteArray *ba );
void clear();
bool consumeBytes( Q_ULONG nbytes, char *sink );
TQByteArray readAll();
bool scanNewline( TQByteArray *store );
bool canReadLine() const;
int ungetch( int ch );
TQIODevice::Offset size() const;
private:
TQPtrList<TQByteArray> *buf;
TQIODevice::Offset _size;
TQIODevice::Offset _index;
};
inline void TQMembuf::append( TQByteArray *ba )
{ buf->append( ba ); _size += ba->size(); }
inline void TQMembuf::clear()
{ buf->clear(); _size=0; _index=0; }
inline TQByteArray TQMembuf::readAll()
{ TQByteArray ba(_size); consumeBytes(_size,ba.data()); return ba; }
inline bool TQMembuf::canReadLine() const
{ return ((TQMembuf*)this)->scanNewline( 0 ); }
inline TQIODevice::Offset TQMembuf::size() const
{ return _size; }
#endif // TQINTERNAL_P_H
|
