summaryrefslogtreecommitdiffstats
path: root/kmymoney2/widgets/kmymoneyedit.cpp
blob: 032c3f5c2fe67d3865e49c504ec40afd8c2cc2f8 (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
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
/***************************************************************************
                          kmymoneyedit.cpp
                             -------------------
    copyright            : (C) 2000 by Michael Edwardes,
                               2004 by Thomas Baumgart
    email                : mte@users.sourceforge.net
                           ipwizard@users.sourceforge.net
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

// ----------------------------------------------------------------------------
// QT Includes

#include <tqapplication.h>
#include <tqdesktopwidget.h>
#include <tqwidget.h>
#include <tqvbox.h>

// ----------------------------------------------------------------------------
// KDE Includes

#include <kglobal.h>
#include <klocale.h>
#include <kdebug.h>
#include <klineedit.h>
#include <kiconloader.h>
#include <tdeconfig.h>

// ----------------------------------------------------------------------------
// Project Includes

#include <kmymoney/kmymoneylineedit.h>
#include "kmymoneyedit.h"
#include "kmymoneycalculator.h"
#include "../mymoney/mymoneymoney.h"

kMyMoneyMoneyValidator::kMyMoneyMoneyValidator(TQObject * parent, const char * name) :
  TQDoubleValidator(parent, name)
{
}

kMyMoneyMoneyValidator::kMyMoneyMoneyValidator( double bottom, double top, int decimals,
                                                TQObject * parent, const char * name ) :
  TQDoubleValidator(bottom, top, decimals, parent, name)
{
}

/*
 * The code of the following function is taken from tdeui/knumvalidator.cpp
 * and adjusted to always use the monetary symbols defined in the KDE control center
 */
TQValidator::State kMyMoneyMoneyValidator::validate( TQString & input, int & _p ) const
{
  TQString s = input;
  KLocale * l = TDEGlobal::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->monetaryDecimalSymbol(),
          n = l->negativeSign(),
          p = l->positiveSign(),
          t = l->monetaryThousandsSeparator();
  // 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(), "-" );

  // Take care of monetary parens around the value if selected via
  // the locale settings.
  // If the lead-in or lead-out paren is present, remove it
  // before passing the string to the TQDoubleValidator
  if(l->negativeMonetarySignPosition() == KLocale::ParensAround
  || l->positiveMonetarySignPosition() == KLocale::ParensAround) {
    TQRegExp regExp("^(\\()?([\\d-\\.]*)(\\))?$");
    if(s.find(regExp) != -1) {
      s = regExp.cap(2);
    }
  }

  // check for non numeric values (TQDoubleValidator allows an 'e', we don't)
  TQRegExp nonNumeric("[^\\d-\\.]+");
  if(s.find(nonNumeric) != -1)
    return Invalid;

  // check for minus sign trailing the number
  TQRegExp trailingMinus("^([^-]*)\\w*-$");
  if(s.find(trailingMinus) != -1) {
    s = TQString("-%1").arg(trailingMinus.cap(1));
  }

  // check for the maximum allowed number of decimal places
  int decPos = s.find('.');
  if(decPos != -1) {
    if(decimals() == 0)
      return Invalid;
    if(((int)(s.length()) - decPos) > decimals())
      return Invalid;
  }

  // If we have just a single minus sign, we are done
  if(s == TQString("-"))
    return Acceptable;

  TQValidator::State rc = TQDoubleValidator::validate( s, _p );

  if(rc == Acceptable) {
    // If the numeric value is acceptable, we check if the parens
    // are ok. If only the lead-in is present, the return value
    // is intermediate, if only the lead-out is present then it
    // definitely is invalid. Nevertheless, we check for parens
    // only, if the locale settings have it enabled.
    if(l->negativeMonetarySignPosition() == KLocale::ParensAround
    || l->positiveMonetarySignPosition() == KLocale::ParensAround) {
      int tmp = input.contains('(') - input.contains(')');
      if(tmp > 0)
        rc = Intermediate;
      else if(tmp < 0)
        rc = Invalid;
    }
  }
  return rc;
}

kMyMoneyEdit::kMyMoneyEdit(TQWidget *parent, const char *name, const int prec)
 : TQHBox(parent, name)
{
  m_prec = prec;
  if(prec < -1 || prec > 20)
    m_prec = TDEGlobal::locale()->fracDigits();
  init();
}

kMyMoneyEdit::kMyMoneyEdit(const MyMoneySecurity& sec, TQWidget *parent, const char *name)
 : TQHBox(parent, name)
{
  m_prec = MyMoneyMoney::denomToPrec(sec.smallestAccountFraction());
  init();
}

// converted image from trinity.5.1/share/apps/kdevdesignerpart/pics/designer_resetproperty.png
static const uchar resetButtonImage[] = {
  0x89,0x50,0x4E,0x47,0x0D,0x0A,0x1A,0x0A,
  0x00,0x00,0x00,0x0D,0x49,0x48,0x44,0x52,
  0x00,0x00,0x00,0x07,0x00,0x00,0x00,0x06,
  0x08,0x06,0x00,0x00,0x00,0x0F,0x0E,0x84,
  0x76,0x00,0x00,0x00,0x06,0x62,0x4B,0x47,
  0x44,0x00,0xFF,0x00,0xFF,0x00,0xFF,0xA0,
  0xBD,0xA7,0x93,0x00,0x00,0x00,0x09,0x70,
  0x48,0x59,0x73,0x00,0x00,0x0B,0x13,0x00,
  0x00,0x0B,0x13,0x01,0x00,0x9A,0x9C,0x18,
  0x00,0x00,0x00,0x07,0x74,0x49,0x4D,0x45,
  0x07,0xD6,0x06,0x10,0x09,0x36,0x0C,0x58,
  0x91,0x11,0x7C,0x00,0x00,0x00,0x64,0x49,
  0x44,0x41,0x54,0x78,0xDA,0x65,0xC9,0xA1,
  0x0D,0x02,0x41,0x18,0x84,0xD1,0xF7,0x5F,
  0x13,0x04,0x9A,0x39,0x43,0x68,0x81,0x02,
  0x10,0xB8,0x13,0x74,0x80,0xC1,0x21,0x76,
  0x1D,0xDD,0xD0,0x01,0x65,0x10,0x34,0x9A,
  0x0C,0x66,0x83,0x61,0x92,0x2F,0x23,0x5E,
  0x25,0x01,0xBD,0x6A,0xC6,0x1D,0x9B,0x25,
  0x79,0xC2,0x34,0xE0,0x30,0x00,0x56,0xBD,
  0x6A,0x0D,0xD5,0x38,0xE1,0xEA,0x7F,0xE7,
  0x4A,0xA2,0x57,0x1D,0x71,0xC1,0x07,0xBB,
  0x81,0x8F,0x09,0x96,0xE4,0x86,0x3D,0xDE,
  0x78,0x8D,0x48,0xF2,0xAB,0xB1,0x1D,0x9F,
  0xC6,0xFC,0x05,0x46,0x68,0x28,0x6B,0x58,
  0xEE,0x72,0x0A,0x00,0x00,0x00,0x00,0x49,
  0x45,0x4E,0x44,0xAE,0x42,0x60,0x82
};

void kMyMoneyEdit::init(void)
{
  allowEmpty = false;
  m_edit = new kMyMoneyLineEdit(this, 0, true);
  m_edit->installEventFilter(this);
  setFocusProxy(m_edit);

  // Yes, just a simple double validator !
  kMyMoneyMoneyValidator *validator = new kMyMoneyMoneyValidator(TQT_TQOBJECT(this));
  m_edit->setValidator(validator);
  m_edit->setAlignment(AlignRight | AlignVCenter);

  m_calculatorFrame = new TQVBox(this, 0, WType_Popup);

  m_calculatorFrame->setFrameStyle(TQFrame::PopupPanel | TQFrame::Raised);
  m_calculatorFrame->setLineWidth(3);

  m_calculator = new kMyMoneyCalculator(m_calculatorFrame);
  m_calculatorFrame->setFixedSize(m_calculator->width()+3, m_calculator->height()+3);
  m_calculatorFrame->hide();

  m_calcButton = new KPushButton(TQIconSet(TQPixmap(TDEGlobal::iconLoader()->iconPath("kcalc", -KIcon::SizeSmall))), TQString(""), this);
  m_calcButton->setFixedWidth( m_calcButton->sizeHint().width() );
  m_calcButton->setFixedHeight(m_edit->sizeHint().height());
  m_calcButton->setFocusProxy(m_edit);

  TQPixmap pixmap;
  pixmap.loadFromData(resetButtonImage, sizeof(resetButtonImage), "PNG", 0);
  m_resetButton = new KPushButton(TQIconSet(pixmap), TQString(""), this);
  m_resetButton->setFixedWidth( m_resetButton->sizeHint().width() );
  m_resetButton->setFixedHeight(m_edit->sizeHint().height());
  m_resetButton->setEnabled(false);
  m_resetButton->setFocusProxy(m_edit);

  TDEConfig *tdeconfig = TDEGlobal::config();
  tdeconfig->setGroup("General Options");
  if(tdeconfig->readBoolEntry("DontShowCalculatorButton", false) == true)
    setCalculatorButtonVisible(false);

  setSpacing(0);

  connect(m_edit, TQT_SIGNAL(textChanged(const TQString&)), this, TQT_SLOT(theTextChanged(const TQString&)));
  connect(m_calculator, TQT_SIGNAL(signalResultAvailable()), this, TQT_SLOT(slotCalculatorResult()));
  connect(m_calcButton, TQT_SIGNAL(clicked()), this, TQT_SLOT(slotCalculatorOpen()));
  connect(m_resetButton, TQT_SIGNAL(clicked()), this, TQT_SLOT(resetText()));
}

void kMyMoneyEdit::setValidator(const TQValidator* v)
{
  m_edit->setValidator(v);
}

kMyMoneyEdit::~kMyMoneyEdit()
{
  delete m_calculatorFrame;
}

KLineEdit* kMyMoneyEdit::lineedit(void) const
{
  return m_edit;
}

void kMyMoneyEdit::setPrecision(const int prec)
{
  if(prec >= -1 && prec <= 20) {
    if(prec != m_prec) {
      m_prec = prec;
      // update current display
      setValue(value());
    }
  }
}

bool kMyMoneyEdit::isValid(void) const
{
  return !(m_edit->text().isEmpty());
}

MyMoneyMoney kMyMoneyEdit::value(void) const
{
  TQString txt = m_edit->text();
  ensureFractionalPart(txt);
  MyMoneyMoney money(txt);
  if(m_prec != -1)
    money = money.convert(MyMoneyMoney::precToDenom(m_prec));
  return money;
}

void kMyMoneyEdit::setValue(const MyMoneyMoney& value)
{
  // load the value into the widget but don't use thousandsSeparators
  TQString txt = value.formatMoney("", m_prec, false);
  loadText(txt);
}

void kMyMoneyEdit::loadText(const TQString& txt)
{
  m_edit->setText(txt);
  if(isEnabled() && !txt.isEmpty())
    ensureFractionalPart();
  m_text = m_edit->text();
  m_resetButton->setEnabled(false);
}

void kMyMoneyEdit::clearText(void)
{
  m_text = TQString();
  m_edit->setText(m_text);
}

void kMyMoneyEdit::resetText(void)
{
  m_edit->setText(m_text);
  m_resetButton->setEnabled(false);
}

void kMyMoneyEdit::theTextChanged(const TQString & theText)
{
  KLocale * l = TDEGlobal::locale();
  TQString d = l->monetaryDecimalSymbol();
  TQString l_text = theText;
  TQString nsign, psign;
  if(l->negativeMonetarySignPosition() == KLocale::ParensAround
  || l->positiveMonetarySignPosition() == KLocale::ParensAround) {
    nsign = psign = "(";
  } else {
    nsign = l->negativeSign();
    psign = l->positiveSign();
  }

  int i = 0;
  if(isEnabled()) {
    TQValidator::State state =  m_edit->validator()->validate( l_text, i);
    if(state == TQValidator::Intermediate) {
      if(l_text.length() == 1) {
        if(l_text != d && l_text != nsign && l_text != psign && l_text != "-")
          state = TQValidator::Invalid;
      }
    }
    if (state==TQValidator::Invalid)
      m_edit->setText(previousText);
    else {
      previousText = l_text;
      emit textChanged(m_edit->text());
      m_resetButton->setEnabled(true);
    }
  }
}

void kMyMoneyEdit::ensureFractionalPart(void)
{
  TQString s(m_edit->text());
  ensureFractionalPart(s);
  m_edit->setText(s);
}

void kMyMoneyEdit::ensureFractionalPart(TQString& s) const
{

  KLocale* locale = TDEGlobal::locale();
  TQString decimalSymbol = locale->monetaryDecimalSymbol();
  if(decimalSymbol.isEmpty())
    decimalSymbol = ".";

  // If text contains no 'monetaryDecimalSymbol' then add it
  // followed by the required number of 0s
  if (!s.isEmpty()) {
    if(m_prec > 0) {
      if (!s.contains(decimalSymbol)) {
        s += decimalSymbol;
        for (int i=0; i < m_prec; i++)
          s += "0";
      }
    } else if(m_prec == 0) {
      while(s.contains(decimalSymbol)) {
        int pos = s.findRev(decimalSymbol);
        if(pos != -1) {
          s.truncate(pos);
        }
      }
    } else if(s.contains(decimalSymbol)) {  // m_prec == -1 && fraction
      // no trailing zeroes
      while(s.endsWith("0")) {
        s.truncate(s.length()-1);
      }
      // no trailing decimalSymbol
      if(s.endsWith(decimalSymbol))
        s.truncate(s.length()-1);
    }
  }
}

bool kMyMoneyEdit::eventFilter(TQObject * /* o */ , TQEvent *e )
{
  bool rc = false;

  // we want to catch some keys that are usually handled by
  // the base class (e.g. '+', '-', etc.)
  if(e->type() == TQEvent::KeyPress) {
    TQKeyEvent *k = TQT_TQKEYEVENT (e);

    rc = true;
    switch(k->key()) {
      case TQt::Key_Plus:
      case TQt::Key_Minus:
        if(m_edit->hasSelectedText()) {
          m_edit->cut();
        }
        if(m_edit->text().length() == 0) {
          rc = false;
          break;
        }
        // in case of '-' we do not enter the calculator when
        // the current position is the beginning and there is
        // no '-' sign at the first position.
        if(k->key() == TQt::Key_Minus) {
          if(m_edit->cursorPosition() == 0 && m_edit->text()[0] != '-') {
            rc = false;
            break;
          }
        }
        // otherwise, tricky fall through here!

      case TQt::Key_Slash:
      case TQt::Key_Asterisk:
      case TQt::Key_Percent:
        if(m_edit->hasSelectedText()) {
          // remove the selected text
          m_edit->cut();
        }
        calculatorOpen(k);
        break;

      default:
        rc = false;
        break;
    }

  } else if(e->type() == TQEvent::FocusOut) {
    if(!m_edit->text().isEmpty() || !allowEmpty)
      ensureFractionalPart();

    if(MyMoneyMoney(m_edit->text()) != MyMoneyMoney(m_text)
    && !m_calculator->isVisible()) {
      emit valueChanged(m_edit->text());
    }
    m_text = m_edit->text();
  }
  return rc;
}

void kMyMoneyEdit::slotCalculatorOpen(void)
{
  calculatorOpen(0);
}

void kMyMoneyEdit::calculatorOpen(TQKeyEvent* k)
{
  m_calculator->setInitialValues(m_edit->text(), k);

  int h = m_calculatorFrame->height();
  int w = m_calculatorFrame->width();

  // usually, the calculator widget is shown underneath the MoneyEdit widget
  // if it does not fit on the screen, we show it above this widget
  TQPoint p = mapToGlobal(TQPoint(0,0));
  if(p.y() + height() + h > TQApplication::desktop()->height())
    p.setY(p.y() - h);
  else
    p.setY(p.y() + height());

  // usually, it is shown left aligned. If it does not fit, we align it
  // to the right edge of the widget
  if(p.x() + w > TQApplication::desktop()->width())
    p.setX(p.x() + width() - w);

  TQRect r = m_calculator->geometry();
  r.moveTopLeft(p);
  m_calculatorFrame->setGeometry(r);
  m_calculatorFrame->show();
  m_calculator->setFocus();
}

void kMyMoneyEdit::slotCalculatorResult(void)
{
  TQString result;
  if(m_calculator != 0) {
    m_calculatorFrame->hide();
    m_edit->setText(m_calculator->result());
    ensureFractionalPart();
    emit valueChanged(m_edit->text());
    m_text = m_edit->text();
  }
}

TQWidget* kMyMoneyEdit::focusWidget(void) const
{
  TQWidget* w = m_edit;
  while(w->focusProxy())
    w = TQT_TQWIDGET(w->focusProxy());
  return w;
}

void kMyMoneyEdit::setCalculatorButtonVisible(const bool show)
{
  m_calcButton->setShown(show);
}

void kMyMoneyEdit::setResetButtonVisible(const bool show)
{
  m_resetButton->setShown(show);
}

void kMyMoneyEdit::setAllowEmpty(bool allowed)
{
  allowEmpty = allowed;
}

bool kMyMoneyEdit::isCalculatorButtonVisible(void) const
{
  return m_calcButton->isVisible();
}

bool kMyMoneyEdit::isResetButtonVisible(void) const
{
  return m_resetButton->isVisible();
}

bool kMyMoneyEdit::isEmptyAllowed(void) const
{
  return allowEmpty;
}

void kMyMoneyEdit::setHint(const TQString& hint) const
{
  if(m_edit)
    m_edit->setHint(hint);
}

bool kMyMoneyEdit::isReadOnly(void) const
{
  if(m_edit)
    return m_edit->isReadOnly();
  return false;
}

void kMyMoneyEdit::setReadOnly(bool readOnly)
{
  // we use the TQLineEdit::setReadOnly() method directly to avoid
  // changing the background between readonly and read/write mode
  // as it is done by the KLineEdit code.
  if(m_edit)
    m_edit->TQLineEdit::setReadOnly(readOnly);
}

#include "kmymoneyedit.moc"