summaryrefslogtreecommitdiffstats
path: root/kdeui/knumvalidator.cpp
blob: fdc51022c7ec3e5687966dc475b1b9718b7420e7 (plain)
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
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
/**********************************************************************
**
**
** KIntValidator, KFloatValidator:
**   Copyright (C) 1999 Glen Parker <glenebob@nwlink.com>
** KDoubleValidator:
**   Copyright (c) 2002 Marc Mutz <mutz@kde.org>
**
** 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 <tqwidget.h>
#include <tqstring.h>

#include "knumvalidator.h"
#include <klocale.h>
#include <kglobal.h>
#include <kdebug.h>

///////////////////////////////////////////////////////////////
//  Implementation of KIntValidator
//

KIntValidator::KIntValidator ( TQWidget * parent, int base, const char * name )
  : TQValidator(TQT_TQOBJECT(parent), name)
{
  _base = base;
  if (_base < 2) _base = 2;
  if (_base > 36) _base = 36;

  _min = _max = 0;
}

KIntValidator::KIntValidator ( int bottom, int top, TQWidget * parent, int base, const char * name )
  : TQValidator(TQT_TQOBJECT(parent), name)
{
  _base = base;
  if (_base > 36) _base = 36;

  _min = bottom;
  _max = top;
}

KIntValidator::~KIntValidator ()
{}

TQValidator::State KIntValidator::validate ( TQString &str, int & ) const
{
  bool ok;
  int  val = 0;
  TQString newStr;

  newStr = str.stripWhiteSpace();
  if (_base > 10)
    newStr = newStr.upper();

  if (newStr == TQString::fromLatin1("-")) // a special case
    if ((_min || _max) && _min >= 0)
      ok = false;
    else
      return TQValidator::Acceptable;
  else if (newStr.length())
    val = newStr.toInt(&ok, _base);
  else {
    val = 0;
    ok = true;
  }

  if (! ok)
    return TQValidator::Invalid;

  if ((! _min && ! _max) || (val >= _min && val <= _max))
    return TQValidator::Acceptable;

  if (_max && _min >= 0 && val < 0)
    return TQValidator::Invalid;

  return TQValidator::Valid;
}

void KIntValidator::fixup ( TQString &str ) const
{
  int                dummy;
  int                val;
  TQValidator::State  state;

  state = validate(str, dummy);

  if (state == TQValidator::Invalid || state == TQValidator::Acceptable)
    return;

  if (! _min && ! _max)
    return;

  val = str.toInt(0, _base);

  if (val < _min) val = _min;
  if (val > _max) val = _max;

  str.setNum(val, _base);
}

void KIntValidator::setRange ( int bottom, int top )
{
  _min = bottom;
  _max = top;

	if (_max < _min)
		_max = _min;
}

void KIntValidator::setBase ( int base )
{
  _base = base;
  if (_base < 2) _base = 2;
}

int KIntValidator::bottom () const
{
  return _min;
}

int KIntValidator::top () const
{
  return _max;
}

int KIntValidator::base () const
{
  return _base;
}


///////////////////////////////////////////////////////////////
//  Implementation of KFloatValidator
//

class KFloatValidatorPrivate
{
public:
    KFloatValidatorPrivate()
    {
    }
    ~KFloatValidatorPrivate()
    {
    }
    bool acceptLocalizedNumbers;
};


KFloatValidator::KFloatValidator ( TQWidget * parent, const char * name )
  : TQValidator(TQT_TQOBJECT(parent), name)
{
    d = new KFloatValidatorPrivate;
    d->acceptLocalizedNumbers=false;
    _min = _max = 0;
}

KFloatValidator::KFloatValidator ( double bottom, double top, TQWidget * parent, const char * name )
  : TQValidator(TQT_TQOBJECT(parent), name)
{
    d = new KFloatValidatorPrivate;
    d->acceptLocalizedNumbers=false;
    _min = bottom;
    _max = top;
}

KFloatValidator::KFloatValidator ( double bottom, double top, bool localeAware, TQWidget * parent, const char * name )
  : TQValidator(TQT_TQOBJECT(parent), name)
{
    d = new KFloatValidatorPrivate;
    d->acceptLocalizedNumbers = localeAware;
    _min = bottom;
    _max = top;
}

KFloatValidator::~KFloatValidator ()
{
     delete d;
}

void KFloatValidator::setAcceptLocalizedNumbers(bool _b)
{
    d->acceptLocalizedNumbers=_b;
}

bool KFloatValidator::acceptLocalizedNumbers() const
{
    return d->acceptLocalizedNumbers;
}

TQValidator::State KFloatValidator::validate ( TQString &str, int & ) const
{
  bool    ok;
  double  val = 0;
  TQString newStr;
  newStr = str.stripWhiteSpace();

  if (newStr == TQString::fromLatin1("-")) // a special case
    if ((_min || _max) && _min >= 0)
      ok = false;
    else
      return TQValidator::Acceptable;
  else if (newStr == TQString::fromLatin1(".") || (d->acceptLocalizedNumbers && newStr==KGlobal::locale()->decimalSymbol())) // another special case
    return TQValidator::Acceptable;
  else if (newStr.length())
  {
    val = newStr.toDouble(&ok);
    if(!ok && d->acceptLocalizedNumbers)
       val= KGlobal::locale()->readNumber(newStr,&ok);
  }
  else {
    val = 0;
    ok = true;
  }

  if (! ok)
    return TQValidator::Invalid;

  if (( !_min && !_max) || (val >= _min && val <= _max))
    return TQValidator::Acceptable;

  if (_max && _min >= 0 && val < 0)
    return TQValidator::Invalid;

  if ( (_min || _max) && (val < _min || val > _max))
    return TQValidator::Invalid;

  return TQValidator::Valid;
}

void KFloatValidator::fixup ( TQString &str ) const
{
  int                dummy;
  double             val;
  TQValidator::State  state;

  state = validate(str, dummy);

  if (state == TQValidator::Invalid || state == TQValidator::Acceptable)
    return;

  if (! _min && ! _max)
    return;

  val = str.toDouble();

  if (val < _min) val = _min;
  if (val > _max) val = _max;

  str.setNum(val);
}

void KFloatValidator::setRange ( double bottom, double top )
{
  _min = bottom;
  _max = top;

	if (_max < _min)
		_max = _min;
}

double KFloatValidator::bottom () const
{
  return _min;
}

double KFloatValidator::top () const
{
  return _max;
}




///////////////////////////////////////////////////////////////
//  Implementation of KDoubleValidator
//

class KDoubleValidator::Private {
public:
  Private( bool accept=true ) : acceptLocalizedNumbers( accept ) {}

  bool acceptLocalizedNumbers;
};

KDoubleValidator::KDoubleValidator( TQObject * parent, const char * name )
  : TQDoubleValidator( parent, name ), d( 0 )
{
  d = new Private();
}

KDoubleValidator::KDoubleValidator( double bottom, double top, int decimals,
				    TQObject * parent, const char * name )
  : TQDoubleValidator( bottom, top, decimals, parent, name ), d( 0 )
{
  d = new Private();
}

KDoubleValidator::~KDoubleValidator()
{
	delete d;
}

bool KDoubleValidator::acceptLocalizedNumbers() const {
  return d->acceptLocalizedNumbers;
}

void KDoubleValidator::setAcceptLocalizedNumbers( bool accept ) {
  d->acceptLocalizedNumbers = accept;
}

TQValidator::State KDoubleValidator::validate( TQString & input, int & p ) const {
  TQString s = input;
  if ( acceptLocalizedNumbers() ) {
    KLocale * l = KGlobal::locale();
    // ok, we have to re-format the number to have:
    // 1. decimalSymbol == '.'
    // 2. negativeSign  == '-'
    // 3. positiveSign  == <empty>
    // 4. thousandsSeparator() == <empty> (we don't check that there
    //    are exactly three decimals between each separator):
    TQString d = l->decimalSymbol(),
            n = l->negativeSign(),
            p = l->positiveSign(),
            t = l->thousandsSeparator();
    // first, delete p's and t's:
    if ( !p.isEmpty() )
      for ( int idx = s.find( p ) ; idx >= 0 ; idx = s.find( p, idx ) )
	s.remove( idx, p.length() );


    if ( !t.isEmpty() )
      for ( int idx = s.find( t ) ; idx >= 0 ; idx = s.find( t, idx ) )
	s.remove( idx, t.length() );

    // then, replace the d's and n's
    if ( ( !n.isEmpty() && n.find('.') != -1 ) ||
	 ( !d.isEmpty() && d.find('-') != -1 ) ) {
      // make sure we don't replace something twice:
      kdWarning() << "KDoubleValidator: decimal symbol contains '-' or "
		     "negative sign contains '.' -> improve algorithm" << endl;
      return Invalid;
    }

    if ( !d.isEmpty() && d != "." )
      for ( int idx = s.find( d ) ; idx >= 0 ; idx = s.find( d, idx + 1 ) )
	s.replace( idx, d.length(), '.');

    if ( !n.isEmpty() && n != "-" )
      for ( int idx = s.find( n ) ; idx >= 0 ; idx = s.find( n, idx + 1 ) )
	s.replace( idx, n.length(), '-' );
  }

  return base::validate( s, p );
}

#include "knumvalidator.moc"