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
|
/*
*
*
* Implementation of KRestrictedLine
*
* Copyright (C) 1997 Michael Wiedmann, <mw@miwie.in-berlin.de>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <tqkeycode.h>
#include "krestrictedline.h"
KRestrictedLine::KRestrictedLine( TQWidget *parent,
const char *name,
const TQString& valid )
: KLineEdit( parent, name )
{
qsValidChars = valid;
}
KRestrictedLine::~KRestrictedLine()
{
;
}
void KRestrictedLine::keyPressEvent( TQKeyEvent *e )
{
// let TQLineEdit process "special" keys and return/enter
// so that we still can use the default key binding
if (e->key() == Key_Enter || e->key() == Key_Return || e->key() == Key_Delete || e->ascii() < 32)
{
TQLineEdit::keyPressEvent(e);
return;
}
// do we have a list of valid chars &&
// is the pressed key in the list of valid chars?
if (!qsValidChars.isEmpty() && !qsValidChars.tqcontains(e->ascii()))
{
// invalid char, emit signal and return
emit (invalidChar(e->key()));
return;
}
else
// valid char: let TQLineEdit process this key as usual
TQLineEdit::keyPressEvent(e);
return;
}
void KRestrictedLine::setValidChars( const TQString& valid)
{
qsValidChars = valid;
}
TQString KRestrictedLine::validChars() const
{
return qsValidChars;
}
void KRestrictedLine::virtual_hook( int id, void* data )
{ KLineEdit::virtual_hook( id, data ); }
#include "krestrictedline.moc"
|
