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
|
/***************************************************************************
byteseditinterface.h - description
-------------------
begin : Fri Sep 12 2003
copyright : (C) 2003 by Friedrich W. H. Kossebau
email : Friedrich.W.H@Kossebau.de
***************************************************************************/
/***************************************************************************
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License version 2 as published by the Free Software Foundation. *
* *
***************************************************************************/
#ifndef BYTESEDITINTERFACE_H
#define BYTESEDITINTERFACE_H
// kde specific
#include <kparts/componentfactory.h>
#include <qwidget.h>
/**
* @short KHE (short for KHexEdit) is KDE's namespace for all things related
* to the viewing/editing of bytes.
*
* @since 3.2
*/
namespace KHE
{
/**
* @short An interface for a hex edit editor/viewer for arrays of byte
*
* \code
* KHE::BytesEditInterface *BytesEdit = KHE::bytesEditInterface( BytesEditWidget );
* \endcode
*
* It can be used in different ways:
* <ul>
* <li> as an viewer for array char* Data, sized DataSize
* \code
* BytesEdit->setData( Data, DataSize );
* BytesEdit->setReadOnly( true );
* \endcode
*
* <li> as an editor for a given array of bytes with a fixed size
* \code
* BytesEdit->setData( Data, DataSize );
* BytesEdit->setOverWriteOnly( true );
* \endcode
*
* <li> as an editor for a given array of bytes with a limited size
* \code
* BytesEdit->setData( Data, DataSize, -1, false );
* BytesEdit->setMaxDataSize( MaxDataSize );
* BytesEdit->setOverWriteMode( false );
* \endcode
*
* <li> as an editor for a new to be created array of chars, max. with MaxDataSize
* \code
* BytesEdit->setMaxDataSize( MaxDataSize );
* ...
* QByteArray BA;
* BA.setRawData( BytesEdit->data(), BytesEdit->dataSize() );
* \endcode
* </ul>
*
* @author Friedrich W. H. Kossebau <Friedrich.W.H@Kossebau.de>
* @see createBytesEditWidget(), bytesEditInterface()
* @since 3.2
*/
class BytesEditInterface
{
public:
//static const char Name[] = "KHE::BytesEditInterface";
public: // set methods
/** hands over to the editor a new byte array.
* If there exists an old one and autodelete is set the old one gets deleted.
* @param D pointer to memory
* @param S size of used memory
* @param RS real size of the memory, -1 means S is the real size
* @param KM keep the memory on resize (RS is the maximum size)
*/
virtual void setData( char *D, int S, int RS = -1, bool KM = true ) = 0;
/** sets whether the given array should be handled read only or not. Default is false. */
virtual void setReadOnly( bool RO = true ) = 0;
/** sets the maximal size of the actual byte array. If the actual array is already larger
* it will not be modified but there can be only done non-inserting actions
* until the array's is below the limit
* If the flag KeepsMemory is set MaxDataSize is limited to the real size of the array.
* MaxDataSize == -1 means no limit.
* Default is -1.
* @param MS new maximal data size
*/
virtual void setMaxDataSize( int MS ) = 0;
/** sets whether the array should be deleted on the widget's end or if a new array is set.
* Default is false
*/
virtual void setAutoDelete( bool AD = true ) = 0;
/** switches the array */
// virtual void resetData( char *D, int S, bool Repaint ) = 0;
/** sets whether the actual memory used to store the data
* (as given by setData or in the constructor, or allocated by the class)
* should be kept on resize.
* If MaxDataSize is set and greater than the raw size of the memory
* it is limited to the raw size.
* Default is false.
*/
virtual void setKeepsMemory( bool KM = true ) = 0;
//
/** sets whether the widget is overwriteonly or not. Default is false. */
virtual void setOverwriteOnly( bool b ) = 0;
/** sets whether the widget is in overwrite mode or not. Default is true. */
virtual void setOverwriteMode( bool b ) = 0;
/** sets whether the data should be treated modified or not */
virtual void setModified( bool b ) = 0;
public: // get methods
/** @return a pointer to the actual byte array */
virtual char *data() const = 0;
/** @return the size of the actual byte array */
virtual int dataSize() const = 0;
/** @return the maximal allowed size for the byte array */
virtual int maxDataSize () const = 0;
/** @return whether autodelete is set for the byte array */
virtual bool isAutoDelete() const = 0;
/** @return @c true if the memory of the byte array is kept, otherwise @c false */
virtual bool keepsMemory() const = 0;
/** @return @c true if the edit mode is overwrite, otherwise @c false for insert mode*/
virtual bool isOverwriteMode() const = 0;
/** @return @c true if the memory of the byte array is kept, otherwise @c false */
virtual bool isOverwriteOnly() const = 0;
/** @return @c true if the ReadOnly flag is set, otherwise @c false */
virtual bool isReadOnly() const = 0;
/** @return @c true if the Modified flag is set, otherwise @c false */
virtual bool isModified() const = 0;
public: // call for action
/** repaint the indizes from i1 to i2 */
virtual void repaintRange( int i1, int i2 ) = 0;
};
/** tries to get the bytesedit interface of t
* @return a pointer to the interface, otherwise 0
* @author Friedrich W. H. Kossebau <Friedrich.W.H@Kossebau.de>
* @since 3.2
*/
template<class T>
inline BytesEditInterface *bytesEditInterface( T *t )
{
if( !t )
return 0;
return static_cast<BytesEditInterface*>( t->qt_cast("KHE::BytesEditInterface") );
}
/** tries to create an instance of a hexedit widget for arrays of chars (char[])
*
* Usage:
*
* \code
* #include <khexedit/byteseditinterface.h>
* #include <khexedit/valuecolumninterface.h>
* #include <khexedit/charcolumninterface.h>
* #include <khexedit/clipboardinterface.h>
* ...
*
* QWidget *BytesEditWidget = KHE::createBytesEditWidget( this, "BytesEditWidget" );
* // is e.g. kdeutils (incl. khexedit2) installed, so a widget could be found and created?
* if( BytesEditWidget )
* {
* // fetch the editor interface
* KHE::BytesEditInterface *BytesEdit = KHE::bytesEditInterface( BytesEditWidget );
* Q_ASSERT( BytesEdit ); // This should not fail!
*
* // now use the editor.
* BytesEdit->setData( Buffer, BufferSize, -1 );
* BytesEdit->setMaxDataSize( BufferSize );
* BytesEdit->setReadOnly( false );
* BytesEdit->setAutoDelete( true );
*
* KHE::ValueColumnInterface *ValueColumn = KHE::valueColumnInterface( BytesEditWidget );
* if( ValueColumn )
* {
* ValueColumn->setCoding( KHE::ValueColumnInterface::BinaryCoding );
* ValueColumn->setByteSpacingWidth( 2 );
* ValueColumn->setNoOfGroupedBytes( 4 );
* ValueColumn->setGroupSpacingWidth( 12 );
* }
*
* KHE::CharColumnInterface *CharColumn = KHE::charColumnInterface( BytesEditWidget );
* if( CharColumn )
* {
* CharColumn->setShowUnprintable( false );
* CharColumn->setSubstituteChar( '*' );
* }
* KHE::ClipboardInterface *Clipboard = KHE::clipboardInterface( BytesEditWidget );
* if( Clipboard )
* {
* // Yes, use BytesEditWidget, not Clipboard, because that's the QObject, indeed hacky...
* connect( BytesEditWidget, SIGNAL(copyAvailable(bool)), this, SLOT(offerCopy(bool)) );
* }
* }
* \endcode
*
* @param Parent parent widget
* @param Name identifier
* @return a pointer to the widget, otherwise 0
* @author Friedrich W. H. Kossebau <Friedrich.W.H@Kossebau.de>
* @see BytesEditInterface, ValueColumnInterface, CharColumnInterface, ZoomInterface, ClipboardInterface
* @since 3.2
*/
inline QWidget *createBytesEditWidget( QWidget *Parent = 0, const char *Name = 0 )
{
return KParts::ComponentFactory::createInstanceFromQuery<QWidget>
( QString::fromLatin1("KHexEdit/KBytesEdit"), QString::null, Parent, Name );
}
}
#endif
|
