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
|
/***************************************************************************
* Copyright (C) 2005-2007 Nicolas Hadacek <hadacek@kde.org> *
* Copyright (C) 2003-2004 Alain Gibaud <alain.gibaud@free.fr> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
***************************************************************************/
#include "hexword_gui.h"
#include <qtimer.h>
#include "common/gui/number_gui.h"
#include "common/common/misc.h"
//-----------------------------------------------------------------------------
HexValueValidator::HexValueValidator(uint nbChars, QObject *parent)
: QValidator(parent, "hex_value_validator"), _nbChars(nbChars) {}
QValidator::State HexValueValidator::validate(QString &input, int &) const
{
if ( input.length()==0 ) return Acceptable;
if ( input.length()>_nbChars ) return Invalid;
for (uint i=0; i<input.length(); i++)
if ( !isxdigit(input[i].latin1()) && input[i]!='-' ) return Invalid;
return Acceptable;
}
//-----------------------------------------------------------------------------
GenericHexWordEditor::GenericHexWordEditor(uint nbChars, bool hasBlankValue, QWidget *parent)
: KLineEdit(parent, "hex_word_editor"), _nbChars(nbChars), _hasBlankValue(hasBlankValue)
{
setFocusPolicy(ClickFocus);
setValidator(new HexValueValidator(nbChars, this));
connect(this, SIGNAL(textChanged(const QString &)), SLOT(slotTextChanged()));
setFrame(false);
}
void GenericHexWordEditor::slotTextChanged()
{
if ( text().length()!=_nbChars ) return;
if ( changeValue() ) emit moveNext();
}
bool GenericHexWordEditor::changeValue()
{
if ( !isValid() ) return false;
QString s = text();
BitValue v = blankValue();
if ( s!=QString(repeat("-", _nbChars)) ) {
s = s.leftJustify(_nbChars, '0', true);
for (uint i=0; i<_nbChars; i++)
if ( !isxdigit(s[i].latin1()) ) s[i] = '0';
v = normalizeWord(fromHex(s, 0));
setText(toHex(v, _nbChars));
}
if ( v==word() ) return false;
setWord(v);
emit modified();
return true;
}
void GenericHexWordEditor::set()
{
blockSignals(true);
setEnabled(isValid());
if ( !isValid() ) clear();
else {
BitValue value = word();
if ( _hasBlankValue && value==blankValue() ) setText(repeat("-", _nbChars));
else setText(toHex(normalizeWord(value), _nbChars));
}
blockSignals(false);
}
bool GenericHexWordEditor::event(QEvent *e)
{
switch (e->type()) {
case QEvent::FocusOut:
changeValue();
break;
case QEvent::FocusIn:
QTimer::singleShot(0, this, SLOT(selectAll())); // ugly but it works
break;
case QEvent::KeyPress:
switch ( static_cast<QKeyEvent *>(e)->key() ) {
case Key_Next:
emit moveNextPage();
return true;
case Key_Tab:
case Key_Enter:
case Key_Return:
emit moveNext();
return true;
case Key_Prior:
emit movePrevPage();
return true;
case Key_BackTab:
emit movePrev();
return true;
case Key_Down:
emit moveDown();
return true;
case Key_Up:
emit moveUp();
return true;
case Key_Home:
emit moveFirst();
return true;
case Key_End:
emit moveLast();
return true;
case Key_Right:
if ( cursorPosition()!=int(text().length()) ) break;
emit moveNext();
return true;
case Key_Left:
if ( cursorPosition()!=0 ) break;
emit movePrev();
return true;
}
default: break;
}
return QLineEdit::event(e);
}
QSize GenericHexWordEditor::sizeHint() const
{
return QSize(maxCharWidth(NumberBase::Hex, font()) * (_nbChars+1), fontMetrics().height());
}
QSize GenericHexWordEditor::minimumSizeHint() const
{
return QSize(maxCharWidth(NumberBase::Hex, font()) * (_nbChars+1), fontMetrics().height());
}
|
