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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit2bda8f7717adf28da4af0d34fb82f63d2868c31d (patch)
tree8d927b7b47a90c4adb646482a52613f58acd6f8c /khexedit/lib/kbytesedit.h
downloadtdeutils-2bda8f7717adf28da4af0d34fb82f63d2868c31d.tar.gz
tdeutils-2bda8f7717adf28da4af0d34fb82f63d2868c31d.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeutils@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+/***************************************************************************
+ kbytesedit.h - description
+ -------------------
+ begin : Die Jul 9 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 KHE_KBYTESEDIT_H
+#define KHE_KBYTESEDIT_H
+
+
+#include "khexedit.h"
+
+#include <khexedit_export.h>
+
+namespace KHE
+{
+
+class KDataBuffer;
+class KBytesEditPrivate;
+
+/** the beginner's hex edit widget ;)
+ *
+ * It hides the concept of the KDataBuffer and accepts a pure pointer
+ * to a reasonable large array of bytes
+ *
+ * 1. used as viewer
+ * a) static data ranges -> no changes for data pointer and length
+ * possible changes are told to the widget by repaintRange
+ * b) changing data ranges -> data pointer and length might change
+ * changes told by
+ * * resetData( char *, int size, bool repaint );
+ * *
+ * 2. used as editor
+ * a) static data ranges
+ * data pointer stays the same
+ * b) changing data ranges
+ * pointer to the data changes in charge of the widget:
+ * given pointer and intermediate pointer are possibly invalid
+ * problem: who cares about the array if the data is deleted?
+ * -> solved by setAutoDelete()
+ *
+ *
+ *@author Friedrich W. H. Kossebau
+ */
+//TODO: give the bytes edit widget an empty buffer as default
+class KHEXEDIT_EXPORT KBytesEdit : public KHexEdit
+{
+ Q_OBJECT
+ //_PROPERTY( char * Data READ data )
+ Q_PROPERTY( int DataSize READ dataSize )
+ Q_PROPERTY( int MaxDataSize READ maxDataSize WRITE setMaxDataSize )
+ Q_PROPERTY( bool AutoDelete READ isAutoDelete WRITE setAutoDelete DESIGNABLE false )
+
+
+ public:
+ /** creates a new widget to view/edit data
+ * @param D pointer to memory
+ * @param S size of used memory
+ * @param RS_ real size of the memory
+ * @param KM keep the memory on resize (RS_ is then the maximum size)
+ * @param Parent parent widget
+ * @param Name name for this widget
+ * @param F flags
+ */
+ KBytesEdit( char *D, int DS_, int RS_, bool KM, QWidget *Parent = 0, const char *Name = 0, WFlags F = 0 );
+ /** 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
+ * @param KM keep the memory on resize (RS_ is the maximum size)
+ */
+ KBytesEdit( char *D, int DS_, QWidget *Parent = 0, const char *Name = 0, WFlags F = 0 );
+ /** 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
+ * @param KM keep the memory on resize (RS_ is the maximum size)
+ */
+ KBytesEdit( QWidget *Parent = 0, const char *Name = 0, WFlags F = 0 );
+ virtual ~KBytesEdit();
+
+
+ public: // value access
+ /** returns the pointer to the actual byte array. This can be but must not be the one
+ * that was given in the constructor.
+ */
+ char *data() const;
+ /** returns the size of the actual byte array */
+ int dataSize() const;
+ /** returns the maximal allowed size for the byte array */
+ int maxDataSize () const;
+ /** returns whether autodelete is set for the byte array */
+ bool isAutoDelete() const;
+ /** returns whether the memory of the byte array is kept */
+ bool keepsMemory() const;
+
+ public: // logic value service
+
+ public: // modification access
+
+ public slots:
+ /** 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
+ * @param KM keep the memory on resize (RS_ is the maximum size)
+ */
+ void setData( char *D, int S, int RS_ = -1, bool KM = true );
+
+ /** sets whether the given array should be handled read only or not */
+ virtual void setReadOnly( bool RO = true );
+ /** 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
+ */
+ void setMaxDataSize( int MS );
+ /** sets whether the array should be deleted on the widget's end or if a new array is set.
+ * Default is false
+ */
+ void setAutoDelete( bool AD = true );
+ /** sets whether the memory given by setData or in the constructor should be kept on resize
+ */
+ void setKeepsMemory( bool KM = true );
+
+ /** repaint the indizes from i1 to i2 */
+ void repaintRange( int i1, int i2 );
+
+ protected:
+ /** deletes the databuffer */
+ void clean();
+
+
+ protected slots:
+
+
+ protected:
+ /** */
+ bool AutoDelete:1;
+ /** */
+ KBytesEditPrivate *d;
+
+ private: // Disabling copy constructor and operator= - not useful
+ KBytesEdit( const KBytesEdit & );
+ KBytesEdit &operator=( const KBytesEdit & );
+};
+
+}
+
+#endif