Diffstat (limited to 'microkde/kdeui/knuminput.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r-- | microkde/kdeui/knuminput.cpp | 1095 |
1 files changed, 1095 insertions, 0 deletions
diff --git a/microkde/kdeui/knuminput.cpp b/microkde/kdeui/knuminput.cpp new file mode 100644 index 0000000..335d6f4 --- a/dev/null +++ b/microkde/kdeui/knuminput.cpp | |||
@@ -0,0 +1,1095 @@ | |||
1 | // -*- c-basic-offset: 4 -*- | ||
2 | /* | ||
3 | * knuminput.cpp | ||
4 | * | ||
5 | * Initial implementation: | ||
6 | * Copyright (c) 1997 Patrick Dowler <dowler@morgul.fsh.uvic.ca> | ||
7 | * Rewritten and maintained by: | ||
8 | * Copyright (c) 2000 Dirk A. Mueller <mueller@kde.org> | ||
9 | * KDoubleSpinBox: | ||
10 | * Copyright (c) 2002 Marc Mutz <mutz@kde.org> | ||
11 | * | ||
12 | * Requires the Qt widget libraries, available at no cost at | ||
13 | * http://www.troll.no/ | ||
14 | * | ||
15 | * This library is free software; you can redistribute it and/or | ||
16 | * modify it under the terms of the GNU Library General Public | ||
17 | * License as published by the Free Software Foundation; either | ||
18 | * version 2 of the License, or (at your option) any later version. | ||
19 | * | ||
20 | * This library is distributed in the hope that it will be useful, | ||
21 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
22 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
23 | * Library General Public License for more details. | ||
24 | * | ||
25 | * You should have received a copy of the GNU Library General Public License | ||
26 | * along with this library; see the file COPYING.LIB. If not, write to | ||
27 | * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | ||
28 | * Boston, MA 02111-1307, USA. | ||
29 | */ | ||
30 | |||
31 | //US #include <config.h> | ||
32 | #ifdef HAVE_LIMITS_H | ||
33 | #include <limits.h> | ||
34 | #endif | ||
35 | #include <assert.h> | ||
36 | #include <math.h> | ||
37 | #include <algorithm> | ||
38 | |||
39 | #include <qlabel.h> | ||
40 | #include <qlineedit.h> | ||
41 | #include <qsize.h> | ||
42 | #include <qslider.h> | ||
43 | #include <qspinbox.h> | ||
44 | #include <qstyle.h> | ||
45 | |||
46 | #include <kglobal.h> | ||
47 | #include <klocale.h> | ||
48 | #include <kdebug.h> | ||
49 | |||
50 | #include "knumvalidator.h" | ||
51 | #include "knuminput.h" | ||
52 | |||
53 | static inline int calcDiffByTen( int x, int y ) { | ||
54 | // calculate ( x - y ) / 10 without overflowing ints: | ||
55 | return ( x / 10 ) - ( y / 10 ) + ( x % 10 - y % 10 ) / 10; | ||
56 | } | ||
57 | |||
58 | // ---------------------------------------------------------------------------- | ||
59 | |||
60 | KNumInput::KNumInput(QWidget* parent, const char* name) | ||
61 | : QWidget(parent, name) | ||
62 | { | ||
63 | init(); | ||
64 | } | ||
65 | |||
66 | KNumInput::KNumInput(KNumInput* below, QWidget* parent, const char* name) | ||
67 | : QWidget(parent, name) | ||
68 | { | ||
69 | init(); | ||
70 | |||
71 | if(below) { | ||
72 | m_next = below->m_next; | ||
73 | m_prev = below; | ||
74 | below->m_next = this; | ||
75 | if(m_next) | ||
76 | m_next->m_prev = this; | ||
77 | } | ||
78 | } | ||
79 | |||
80 | void KNumInput::init() | ||
81 | { | ||
82 | m_prev = m_next = 0; | ||
83 | m_colw1 = m_colw2 = 0; | ||
84 | |||
85 | m_label = 0; | ||
86 | m_slider = 0; | ||
87 | m_alignment = 0; | ||
88 | } | ||
89 | |||
90 | KNumInput::~KNumInput() | ||
91 | { | ||
92 | if(m_prev) | ||
93 | m_prev->m_next = m_next; | ||
94 | |||
95 | if(m_next) | ||
96 | m_next->m_prev = m_prev; | ||
97 | } | ||
98 | |||
99 | void KNumInput::setLabel(const QString & label, int a) | ||
100 | { | ||
101 | if(label.isEmpty()) { | ||
102 | delete m_label; | ||
103 | m_label = 0; | ||
104 | m_alignment = 0; | ||
105 | } | ||
106 | else { | ||
107 | if (m_label) m_label->setText(label); | ||
108 | else m_label = new QLabel(label, this, "KNumInput::QLabel"); | ||
109 | m_label->setAlignment((a & (~(AlignTop|AlignBottom|AlignVCenter))) | ||
110 | | AlignVCenter); | ||
111 | // if no vertical alignment set, use Top alignment | ||
112 | if(!(a & (AlignTop|AlignBottom|AlignVCenter))) | ||
113 | a |= AlignTop; | ||
114 | m_alignment = a; | ||
115 | } | ||
116 | |||
117 | layout(true); | ||
118 | } | ||
119 | |||
120 | QString KNumInput::label() const | ||
121 | { | ||
122 | if (m_label) return m_label->text(); | ||
123 | return QString::null; | ||
124 | } | ||
125 | |||
126 | void KNumInput::layout(bool deep) | ||
127 | { | ||
128 | int w1 = m_colw1; | ||
129 | int w2 = m_colw2; | ||
130 | |||
131 | // label sizeHint | ||
132 | m_sizeLabel = (m_label ? m_label->sizeHint() : QSize(0,0)); | ||
133 | |||
134 | if(m_label && (m_alignment & AlignVCenter)) | ||
135 | m_colw1 = m_sizeLabel.width() + 4; | ||
136 | else | ||
137 | m_colw1 = 0; | ||
138 | |||
139 | // slider sizeHint | ||
140 | m_sizeSlider = (m_slider ? m_slider->sizeHint() : QSize(0, 0)); | ||
141 | |||
142 | doLayout(); | ||
143 | |||
144 | if(!deep) { | ||
145 | m_colw1 = w1; | ||
146 | m_colw2 = w2; | ||
147 | return; | ||
148 | } | ||
149 | |||
150 | KNumInput* p = this; | ||
151 | while(p) { | ||
152 | p->doLayout(); | ||
153 | w1 = QMAX(w1, p->m_colw1); | ||
154 | w2 = QMAX(w2, p->m_colw2); | ||
155 | p = p->m_prev; | ||
156 | } | ||
157 | |||
158 | p = m_next; | ||
159 | while(p) { | ||
160 | p->doLayout(); | ||
161 | w1 = QMAX(w1, p->m_colw1); | ||
162 | w2 = QMAX(w2, p->m_colw2); | ||
163 | p = p->m_next; | ||
164 | } | ||
165 | |||
166 | p = this; | ||
167 | while(p) { | ||
168 | p->m_colw1 = w1; | ||
169 | p->m_colw2 = w2; | ||
170 | p = p->m_prev; | ||
171 | } | ||
172 | |||
173 | p = m_next; | ||
174 | while(p) { | ||
175 | p->m_colw1 = w1; | ||
176 | p->m_colw2 = w2; | ||
177 | p = p->m_next; | ||
178 | } | ||
179 | |||
180 | // kdDebug() << "w1 " << w1 << " w2 " << w2 << endl; | ||
181 | } | ||
182 | |||
183 | QSizePolicy KNumInput::sizePolicy() const | ||
184 | { | ||
185 | return QSizePolicy( QSizePolicy::Minimum, QSizePolicy::Fixed ); | ||
186 | } | ||
187 | |||
188 | QSize KNumInput::sizeHint() const | ||
189 | { | ||
190 | return minimumSizeHint(); | ||
191 | } | ||
192 | |||
193 | void KNumInput::setSteps(int minor, int major) | ||
194 | { | ||
195 | if(m_slider) | ||
196 | m_slider->setSteps( minor, major ); | ||
197 | } | ||
198 | |||
199 | |||
200 | // ---------------------------------------------------------------------------- | ||
201 | |||
202 | KIntSpinBox::KIntSpinBox(QWidget *parent, const char *name) | ||
203 | : QSpinBox(0, 99, 1, parent, name) | ||
204 | { | ||
205 | editor()->setAlignment(AlignRight); | ||
206 | val_base = 10; | ||
207 | setValue(0); | ||
208 | } | ||
209 | |||
210 | KIntSpinBox::~KIntSpinBox() | ||
211 | { | ||
212 | } | ||
213 | |||
214 | KIntSpinBox::KIntSpinBox(int lower, int upper, int step, int value, int base, | ||
215 | QWidget* parent, const char* name) | ||
216 | : QSpinBox(lower, upper, step, parent, name) | ||
217 | { | ||
218 | editor()->setAlignment(AlignRight); | ||
219 | val_base = base; | ||
220 | setValue(value); | ||
221 | } | ||
222 | |||
223 | void KIntSpinBox::setBase(int base) | ||
224 | { | ||
225 | val_base = base; | ||
226 | } | ||
227 | |||
228 | |||
229 | int KIntSpinBox::base() const | ||
230 | { | ||
231 | return val_base; | ||
232 | } | ||
233 | |||
234 | QString KIntSpinBox::mapValueToText(int v) | ||
235 | { | ||
236 | return QString::number(v, val_base); | ||
237 | } | ||
238 | |||
239 | int KIntSpinBox::mapTextToValue(bool* ok) | ||
240 | { | ||
241 | return cleanText().toInt(ok, val_base); | ||
242 | } | ||
243 | |||
244 | void KIntSpinBox::setEditFocus(bool mark) | ||
245 | { | ||
246 | editor()->setFocus(); | ||
247 | if(mark) | ||
248 | editor()->selectAll(); | ||
249 | } | ||
250 | |||
251 | |||
252 | // ---------------------------------------------------------------------------- | ||
253 | |||
254 | class KIntNumInput::KIntNumInputPrivate { | ||
255 | public: | ||
256 | int referencePoint; | ||
257 | short blockRelative; | ||
258 | KIntNumInputPrivate( int r ) | ||
259 | : referencePoint( r ), | ||
260 | blockRelative( 0 ) {} | ||
261 | }; | ||
262 | |||
263 | |||
264 | KIntNumInput::KIntNumInput(KNumInput* below, int val, QWidget* parent, | ||
265 | int _base, const char* name) | ||
266 | : KNumInput(below, parent, name) | ||
267 | { | ||
268 | init(val, _base); | ||
269 | } | ||
270 | |||
271 | KIntNumInput::KIntNumInput(QWidget *parent, const char *name) | ||
272 | : KNumInput(parent, name) | ||
273 | { | ||
274 | init(0, 10); | ||
275 | } | ||
276 | |||
277 | KIntNumInput::KIntNumInput(int val, QWidget *parent, int _base, const char *name) | ||
278 | : KNumInput(parent, name) | ||
279 | { | ||
280 | init(val, _base); | ||
281 | |||
282 | } | ||
283 | |||
284 | void KIntNumInput::init(int val, int _base) | ||
285 | { | ||
286 | d = new KIntNumInputPrivate( val ); | ||
287 | m_spin = new KIntSpinBox(INT_MIN, INT_MAX, 1, val, _base, this, "KIntNumInput::KIntSpinBox"); | ||
288 | m_spin->setValidator(new KIntValidator(this, _base, "KNumInput::KIntValidtr")); | ||
289 | connect(m_spin, SIGNAL(valueChanged(int)), SLOT(spinValueChanged(int))); | ||
290 | connect(this, SIGNAL(valueChanged(int)), | ||
291 | SLOT(slotEmitRelativeValueChanged(int))); | ||
292 | |||
293 | setFocusProxy(m_spin); | ||
294 | layout(true); | ||
295 | } | ||
296 | |||
297 | void KIntNumInput::setReferencePoint( int ref ) { | ||
298 | // clip to valid range: | ||
299 | ref = kMin( maxValue(), kMax( minValue(), ref ) ); | ||
300 | d->referencePoint = ref; | ||
301 | } | ||
302 | |||
303 | int KIntNumInput::referencePoint() const { | ||
304 | return d->referencePoint; | ||
305 | } | ||
306 | |||
307 | void KIntNumInput::spinValueChanged(int val) | ||
308 | { | ||
309 | if(m_slider) | ||
310 | m_slider->setValue(val); | ||
311 | |||
312 | emit valueChanged(val); | ||
313 | } | ||
314 | |||
315 | void KIntNumInput::slotEmitRelativeValueChanged( int value ) { | ||
316 | if ( d->blockRelative || !d->referencePoint ) return; | ||
317 | emit relativeValueChanged( double( value ) / double( d->referencePoint ) ); | ||
318 | } | ||
319 | |||
320 | void KIntNumInput::setRange(int lower, int upper, int step, bool slider) | ||
321 | { | ||
322 | upper = kMax(upper, lower); | ||
323 | lower = kMin(upper, lower); | ||
324 | m_spin->setMinValue(lower); | ||
325 | m_spin->setMaxValue(upper); | ||
326 | m_spin->setLineStep(step); | ||
327 | |||
328 | step = m_spin->lineStep(); // maybe QRangeControl didn't like out lineStep? | ||
329 | |||
330 | if(slider) { | ||
331 | if (m_slider) | ||
332 | m_slider->setRange(lower, upper); | ||
333 | else { | ||
334 | m_slider = new QSlider(lower, upper, step, m_spin->value(), | ||
335 | QSlider::Horizontal, this); | ||
336 | m_slider->setTickmarks(QSlider::Below); | ||
337 | connect(m_slider, SIGNAL(valueChanged(int)), | ||
338 | m_spin, SLOT(setValue(int))); | ||
339 | } | ||
340 | |||
341 | // calculate (upper-lower)/10 without overflowing int's: | ||
342 | int major = calcDiffByTen( upper, lower ); | ||
343 | if ( major==0 ) major = step; // #### workaround Qt bug in 2.1-beta4 | ||
344 | |||
345 | m_slider->setSteps(step, major); | ||
346 | m_slider->setTickInterval(major); | ||
347 | } | ||
348 | else { | ||
349 | delete m_slider; | ||
350 | m_slider = 0; | ||
351 | } | ||
352 | |||
353 | // check that reference point is still inside valid range: | ||
354 | setReferencePoint( referencePoint() ); | ||
355 | |||
356 | layout(true); | ||
357 | } | ||
358 | |||
359 | void KIntNumInput::setMinValue(int min) | ||
360 | { | ||
361 | setRange(min, m_spin->maxValue(), m_spin->lineStep(), m_slider); | ||
362 | } | ||
363 | |||
364 | int KIntNumInput::minValue() const | ||
365 | { | ||
366 | return m_spin->minValue(); | ||
367 | } | ||
368 | |||
369 | void KIntNumInput::setMaxValue(int max) | ||
370 | { | ||
371 | setRange(m_spin->minValue(), max, m_spin->lineStep(), m_slider); | ||
372 | } | ||
373 | |||
374 | int KIntNumInput::maxValue() const | ||
375 | { | ||
376 | return m_spin->maxValue(); | ||
377 | } | ||
378 | |||
379 | void KIntNumInput::setSuffix(const QString &suffix) | ||
380 | { | ||
381 | m_spin->setSuffix(suffix); | ||
382 | |||
383 | layout(true); | ||
384 | } | ||
385 | |||
386 | QString KIntNumInput::suffix() const | ||
387 | { | ||
388 | return m_spin->suffix(); | ||
389 | } | ||
390 | |||
391 | void KIntNumInput::setPrefix(const QString &prefix) | ||
392 | { | ||
393 | m_spin->setPrefix(prefix); | ||
394 | |||
395 | layout(true); | ||
396 | } | ||
397 | |||
398 | QString KIntNumInput::prefix() const | ||
399 | { | ||
400 | return m_spin->prefix(); | ||
401 | } | ||
402 | |||
403 | void KIntNumInput::setEditFocus(bool mark) | ||
404 | { | ||
405 | m_spin->setEditFocus(mark); | ||
406 | } | ||
407 | |||
408 | QSize KIntNumInput::minimumSizeHint() const | ||
409 | { | ||
410 | constPolish(); | ||
411 | |||
412 | int w; | ||
413 | int h; | ||
414 | |||
415 | h = 2 + QMAX(m_sizeSpin.height(), m_sizeSlider.height()); | ||
416 | |||
417 | // if in extra row, then count it here | ||
418 | if(m_label && (m_alignment & (AlignBottom|AlignTop))) | ||
419 | h += 4 + m_sizeLabel.height(); | ||
420 | else | ||
421 | // label is in the same row as the other widgets | ||
422 | h = QMAX(h, m_sizeLabel.height() + 2); | ||
423 | |||
424 | w = m_slider ? m_slider->sizeHint().width() + 8 : 0; | ||
425 | w += m_colw1 + m_colw2; | ||
426 | |||
427 | if(m_alignment & (AlignTop|AlignBottom)) | ||
428 | w = QMAX(w, m_sizeLabel.width() + 4); | ||
429 | |||
430 | return QSize(w, h); | ||
431 | } | ||
432 | |||
433 | void KIntNumInput::doLayout() | ||
434 | { | ||
435 | m_sizeSpin = m_spin->sizeHint(); | ||
436 | m_colw2 = m_sizeSpin.width(); | ||
437 | |||
438 | if (m_label) | ||
439 | m_label->setBuddy(m_spin); | ||
440 | } | ||
441 | |||
442 | void KIntNumInput::resizeEvent(QResizeEvent* e) | ||
443 | { | ||
444 | int w = m_colw1; | ||
445 | int h = 0; | ||
446 | |||
447 | if(m_label && (m_alignment & AlignTop)) { | ||
448 | m_label->setGeometry(0, 0, e->size().width(), m_sizeLabel.height()); | ||
449 | h += m_sizeLabel.height() + 4; | ||
450 | } | ||
451 | |||
452 | if(m_label && (m_alignment & AlignVCenter)) | ||
453 | m_label->setGeometry(0, 0, w, m_sizeSpin.height()); | ||
454 | |||
455 | m_spin->setGeometry(w, h, m_slider ? m_colw2 : QMAX(m_colw2, e->size().width() - w), m_sizeSpin.height()); | ||
456 | w += m_colw2 + 8; | ||
457 | |||
458 | if(m_slider) | ||
459 | m_slider->setGeometry(w, h, e->size().width() - w, m_sizeSpin.height()); | ||
460 | |||
461 | h += m_sizeSpin.height() + 2; | ||
462 | |||
463 | if(m_label && (m_alignment & AlignBottom)) | ||
464 | m_label->setGeometry(0, h, m_sizeLabel.width(), m_sizeLabel.height()); | ||
465 | } | ||
466 | |||
467 | KIntNumInput::~KIntNumInput() | ||
468 | { | ||
469 | delete d; | ||
470 | } | ||
471 | |||
472 | void KIntNumInput::setValue(int val) | ||
473 | { | ||
474 | m_spin->setValue(val); | ||
475 | // slider value is changed by spinValueChanged | ||
476 | } | ||
477 | |||
478 | void KIntNumInput::setRelativeValue( double r ) { | ||
479 | if ( !d->referencePoint ) return; | ||
480 | ++d->blockRelative; | ||
481 | setValue( int( d->referencePoint * r + 0.5 ) ); | ||
482 | --d->blockRelative; | ||
483 | } | ||
484 | |||
485 | double KIntNumInput::relativeValue() const { | ||
486 | if ( !d->referencePoint ) return 0; | ||
487 | return double( value() ) / double ( d->referencePoint ); | ||
488 | } | ||
489 | |||
490 | int KIntNumInput::value() const | ||
491 | { | ||
492 | return m_spin->value(); | ||
493 | } | ||
494 | |||
495 | void KIntNumInput::setSpecialValueText(const QString& text) | ||
496 | { | ||
497 | m_spin->setSpecialValueText(text); | ||
498 | layout(true); | ||
499 | } | ||
500 | |||
501 | QString KIntNumInput::specialValueText() const | ||
502 | { | ||
503 | return m_spin->specialValueText(); | ||
504 | } | ||
505 | |||
506 | void KIntNumInput::setLabel(const QString & label, int a) | ||
507 | { | ||
508 | KNumInput::setLabel(label, a); | ||
509 | |||
510 | if(m_label) | ||
511 | m_label->setBuddy(m_spin); | ||
512 | } | ||
513 | |||
514 | // ---------------------------------------------------------------------------- | ||
515 | |||
516 | class KDoubleNumInput::KDoubleNumInputPrivate { | ||
517 | public: | ||
518 | KDoubleNumInputPrivate( double r ) | ||
519 | : spin( 0 ), | ||
520 | referencePoint( r ), | ||
521 | blockRelative ( 0 ) {} | ||
522 | KDoubleSpinBox * spin; | ||
523 | double referencePoint; | ||
524 | short blockRelative; | ||
525 | }; | ||
526 | |||
527 | KDoubleNumInput::KDoubleNumInput(QWidget *parent, const char *name) | ||
528 | : KNumInput(parent, name) | ||
529 | { | ||
530 | init(0.0, 0.0, 9999.0, 0.01, 2); | ||
531 | } | ||
532 | |||
533 | KDoubleNumInput::KDoubleNumInput(double lower, double upper, double value, | ||
534 | double step, int precision, QWidget* parent, | ||
535 | const char *name) | ||
536 | : KNumInput(parent, name) | ||
537 | { | ||
538 | init(value, lower, upper, step, precision); | ||
539 | } | ||
540 | |||
541 | KDoubleNumInput::KDoubleNumInput(KNumInput *below, | ||
542 | double lower, double upper, double value, | ||
543 | double step, int precision, QWidget* parent, | ||
544 | const char *name) | ||
545 | : KNumInput(below, parent, name) | ||
546 | { | ||
547 | init(value, lower, upper, step, precision); | ||
548 | } | ||
549 | |||
550 | KDoubleNumInput::KDoubleNumInput(double value, QWidget *parent, const char *name) | ||
551 | : KNumInput(parent, name) | ||
552 | { | ||
553 | init(value, kMin(0.0, value), kMax(0.0, value), 0.01, 2 ); | ||
554 | } | ||
555 | |||
556 | KDoubleNumInput::KDoubleNumInput(KNumInput* below, double value, QWidget* parent, | ||
557 | const char* name) | ||
558 | : KNumInput(below, parent, name) | ||
559 | { | ||
560 | init( value, kMin(0.0, value), kMax(0.0, value), 0.01, 2 ); | ||
561 | } | ||
562 | |||
563 | KDoubleNumInput::~KDoubleNumInput() | ||
564 | { | ||
565 | delete d; | ||
566 | } | ||
567 | |||
568 | // ### remove when BIC changes are allowed again: | ||
569 | |||
570 | bool KDoubleNumInput::eventFilter( QObject * o, QEvent * e ) { | ||
571 | return KNumInput::eventFilter( o, e ); | ||
572 | } | ||
573 | |||
574 | void KDoubleNumInput::resetEditBox() { | ||
575 | |||
576 | } | ||
577 | |||
578 | // ### end stuff to remove when BIC changes are allowed again | ||
579 | |||
580 | |||
581 | |||
582 | void KDoubleNumInput::init(double value, double lower, double upper, | ||
583 | double step, int precision ) | ||
584 | { | ||
585 | // ### init no longer used members: | ||
586 | edit = 0; | ||
587 | m_range = true; | ||
588 | m_value = 0.0; | ||
589 | m_precision = 2; | ||
590 | // ### end | ||
591 | |||
592 | d = new KDoubleNumInputPrivate( value ); | ||
593 | |||
594 | d->spin = new KDoubleSpinBox( lower, upper, step, value, precision, | ||
595 | this, "KDoubleNumInput::d->spin" ); | ||
596 | setFocusProxy(d->spin); | ||
597 | connect( d->spin, SIGNAL(valueChanged(double)), | ||
598 | this, SIGNAL(valueChanged(double)) ); | ||
599 | connect( this, SIGNAL(valueChanged(double)), | ||
600 | this, SLOT(slotEmitRelativeValueChanged(double)) ); | ||
601 | |||
602 | updateLegacyMembers(); | ||
603 | |||
604 | layout(true); | ||
605 | } | ||
606 | |||
607 | void KDoubleNumInput::updateLegacyMembers() { | ||
608 | // ### update legacy members that are either not private or for | ||
609 | // which an inlined getter exists: | ||
610 | m_lower = minValue(); | ||
611 | m_upper = maxValue(); | ||
612 | m_step = d->spin->lineStep(); | ||
613 | m_specialvalue = specialValueText(); | ||
614 | } | ||
615 | |||
616 | |||
617 | double KDoubleNumInput::mapSliderToSpin( int val ) const | ||
618 | { | ||
619 | // map [slidemin,slidemax] to [spinmin,spinmax] | ||
620 | double spinmin = d->spin->minValue(); | ||
621 | double spinmax = d->spin->maxValue(); | ||
622 | double slidemin = m_slider->minValue(); // cast int to double to avoid | ||
623 | double slidemax = m_slider->maxValue(); // overflow in rel denominator | ||
624 | double rel = ( double(val) - slidemin ) / ( slidemax - slidemin ); | ||
625 | return spinmin + rel * ( spinmax - spinmin ); | ||
626 | } | ||
627 | |||
628 | void KDoubleNumInput::sliderMoved(int val) | ||
629 | { | ||
630 | d->spin->setValue( mapSliderToSpin( val ) ); | ||
631 | } | ||
632 | |||
633 | void KDoubleNumInput::slotEmitRelativeValueChanged( double value ) | ||
634 | { | ||
635 | if ( !d->referencePoint ) return; | ||
636 | emit relativeValueChanged( value / d->referencePoint ); | ||
637 | } | ||
638 | |||
639 | QSize KDoubleNumInput::minimumSizeHint() const | ||
640 | { | ||
641 | constPolish(); | ||
642 | |||
643 | int w; | ||
644 | int h; | ||
645 | |||
646 | h = 2 + QMAX(m_sizeEdit.height(), m_sizeSlider.height()); | ||
647 | |||
648 | // if in extra row, then count it here | ||
649 | if(m_label && (m_alignment & (AlignBottom|AlignTop))) | ||
650 | h += 4 + m_sizeLabel.height(); | ||
651 | else | ||
652 | // label is in the same row as the other widgets | ||
653 | h = QMAX(h, m_sizeLabel.height() + 2); | ||
654 | |||
655 | w = m_slider ? m_slider->sizeHint().width() + 8 : 0; | ||
656 | w += m_colw1 + m_colw2; | ||
657 | |||
658 | if(m_alignment & (AlignTop|AlignBottom)) | ||
659 | w = QMAX(w, m_sizeLabel.width() + 4); | ||
660 | |||
661 | return QSize(w, h); | ||
662 | } | ||
663 | |||
664 | void KDoubleNumInput::resizeEvent(QResizeEvent* e) | ||
665 | { | ||
666 | int w = m_colw1; | ||
667 | int h = 0; | ||
668 | |||
669 | if(m_label && (m_alignment & AlignTop)) { | ||
670 | m_label->setGeometry(0, 0, e->size().width(), m_sizeLabel.height()); | ||
671 | h += m_sizeLabel.height() + 4; | ||
672 | } | ||
673 | |||
674 | if(m_label && (m_alignment & AlignVCenter)) | ||
675 | m_label->setGeometry(0, 0, w, m_sizeEdit.height()); | ||
676 | |||
677 | d->spin->setGeometry(w, h, m_slider ? m_colw2 | ||
678 | : e->size().width() - w, m_sizeEdit.height()); | ||
679 | w += m_colw2 + 8; | ||
680 | |||
681 | if(m_slider) | ||
682 | m_slider->setGeometry(w, h, e->size().width() - w, m_sizeEdit.height()); | ||
683 | |||
684 | h += m_sizeEdit.height() + 2; | ||
685 | |||
686 | if(m_label && (m_alignment & AlignBottom)) | ||
687 | m_label->setGeometry(0, h, m_sizeLabel.width(), m_sizeLabel.height()); | ||
688 | } | ||
689 | |||
690 | void KDoubleNumInput::doLayout() | ||
691 | { | ||
692 | m_sizeEdit = d->spin->sizeHint(); | ||
693 | m_colw2 = m_sizeEdit.width(); | ||
694 | } | ||
695 | |||
696 | void KDoubleNumInput::setValue(double val) | ||
697 | { | ||
698 | d->spin->setValue( val ); | ||
699 | } | ||
700 | |||
701 | void KDoubleNumInput::setRelativeValue( double r ) | ||
702 | { | ||
703 | if ( !d->referencePoint ) return; | ||
704 | ++d->blockRelative; | ||
705 | setValue( r * d->referencePoint ); | ||
706 | --d->blockRelative; | ||
707 | } | ||
708 | |||
709 | void KDoubleNumInput::setReferencePoint( double ref ) | ||
710 | { | ||
711 | // clip to valid range: | ||
712 | ref = kMin( maxValue(), kMax( minValue(), ref ) ); | ||
713 | d->referencePoint = ref; | ||
714 | } | ||
715 | |||
716 | void KDoubleNumInput::setRange(double lower, double upper, double step, | ||
717 | bool slider) | ||
718 | { | ||
719 | if( m_slider ) { | ||
720 | // don't update the slider to avoid an endless recursion | ||
721 | QSpinBox * spin = d->spin; | ||
722 | disconnect(spin, SIGNAL(valueChanged(int)), | ||
723 | m_slider, SLOT(setValue(int)) ); | ||
724 | } | ||
725 | d->spin->setRange( lower, upper, step, d->spin->precision() ); | ||
726 | |||
727 | if(slider) { | ||
728 | // upcast to base type to get the min/maxValue in int form: | ||
729 | QSpinBox * spin = d->spin; | ||
730 | int slmax = spin->maxValue(); | ||
731 | int slmin = spin->minValue(); | ||
732 | int slvalue = spin->value(); | ||
733 | int slstep = spin->lineStep(); | ||
734 | if (m_slider) { | ||
735 | m_slider->setRange(slmin, slmax); | ||
736 | m_slider->setLineStep(slstep); | ||
737 | m_slider->setValue(slvalue); | ||
738 | } else { | ||
739 | m_slider = new QSlider(slmin, slmax, slstep, slvalue, | ||
740 | QSlider::Horizontal, this); | ||
741 | m_slider->setTickmarks(QSlider::Below); | ||
742 | // feedback line: when one moves, the other moves, too: | ||
743 | connect(m_slider, SIGNAL(valueChanged(int)), | ||
744 | SLOT(sliderMoved(int)) ); | ||
745 | } | ||
746 | connect(spin, SIGNAL(valueChanged(int)), | ||
747 | m_slider, SLOT(setValue(int)) ); | ||
748 | // calculate ( slmax - slmin ) / 10 without overflowing ints: | ||
749 | int major = calcDiffByTen( slmax, slmin ); | ||
750 | if ( !major ) major = slstep; // ### needed? | ||
751 | m_slider->setTickInterval(major); | ||
752 | } else { | ||
753 | delete m_slider; | ||
754 | m_slider = 0; | ||
755 | } | ||
756 | |||
757 | setReferencePoint( referencePoint() ); | ||
758 | |||
759 | layout(true); | ||
760 | updateLegacyMembers(); | ||
761 | } | ||
762 | |||
763 | void KDoubleNumInput::setMinValue(double min) | ||
764 | { | ||
765 | setRange(min, maxValue(), d->spin->lineStep(), m_slider); | ||
766 | } | ||
767 | |||
768 | double KDoubleNumInput::minValue() const | ||
769 | { | ||
770 | return d->spin->minValue(); | ||
771 | } | ||
772 | |||
773 | void KDoubleNumInput::setMaxValue(double max) | ||
774 | { | ||
775 | setRange(minValue(), max, d->spin->lineStep(), m_slider); | ||
776 | } | ||
777 | |||
778 | double KDoubleNumInput::maxValue() const | ||
779 | { | ||
780 | return d->spin->maxValue(); | ||
781 | } | ||
782 | |||
783 | double KDoubleNumInput::value() const | ||
784 | { | ||
785 | return d->spin->value(); | ||
786 | } | ||
787 | |||
788 | double KDoubleNumInput::relativeValue() const | ||
789 | { | ||
790 | if ( !d->referencePoint ) return 0; | ||
791 | return value() / d->referencePoint; | ||
792 | } | ||
793 | |||
794 | double KDoubleNumInput::referencePoint() const | ||
795 | { | ||
796 | return d->referencePoint; | ||
797 | } | ||
798 | |||
799 | QString KDoubleNumInput::suffix() const | ||
800 | { | ||
801 | return d->spin->suffix(); | ||
802 | } | ||
803 | |||
804 | QString KDoubleNumInput::prefix() const | ||
805 | { | ||
806 | return d->spin->prefix(); | ||
807 | } | ||
808 | |||
809 | void KDoubleNumInput::setSuffix(const QString &suffix) | ||
810 | { | ||
811 | d->spin->setSuffix( suffix ); | ||
812 | |||
813 | layout(true); | ||
814 | } | ||
815 | |||
816 | void KDoubleNumInput::setPrefix(const QString &prefix) | ||
817 | { | ||
818 | d->spin->setPrefix( prefix ); | ||
819 | |||
820 | layout(true); | ||
821 | } | ||
822 | |||
823 | void KDoubleNumInput::setPrecision(int precision) | ||
824 | { | ||
825 | d->spin->setPrecision( precision ); | ||
826 | |||
827 | layout(true); | ||
828 | } | ||
829 | |||
830 | int KDoubleNumInput::precision() const | ||
831 | { | ||
832 | return d->spin->precision(); | ||
833 | } | ||
834 | |||
835 | void KDoubleNumInput::setSpecialValueText(const QString& text) | ||
836 | { | ||
837 | d->spin->setSpecialValueText( text ); | ||
838 | |||
839 | layout(true); | ||
840 | updateLegacyMembers(); | ||
841 | } | ||
842 | |||
843 | void KDoubleNumInput::setLabel(const QString & label, int a) | ||
844 | { | ||
845 | KNumInput::setLabel(label, a); | ||
846 | |||
847 | if(m_label) | ||
848 | m_label->setBuddy(d->spin); | ||
849 | |||
850 | } | ||
851 | |||
852 | // ---------------------------------------------------------------------------- | ||
853 | |||
854 | |||
855 | // We use a kind of fixed-point arithmetic to represent the range of | ||
856 | // doubles [mLower,mUpper] in steps of 10^(-mPrecision). Thus, the | ||
857 | // following relations hold: | ||
858 | // | ||
859 | // 1. factor = 10^mPrecision | ||
860 | // 2. basicStep = 1/factor = 10^(-mPrecision); | ||
861 | // 3. lowerInt = lower * factor; | ||
862 | // 4. upperInt = upper * factor; | ||
863 | // 5. lower = lowerInt * basicStep; | ||
864 | // 6. upper = upperInt * basicStep; | ||
865 | class KDoubleSpinBox::Private { | ||
866 | public: | ||
867 | Private( int precision=1 ) | ||
868 | : mPrecision( precision ), | ||
869 | mValidator( 0 ) | ||
870 | { | ||
871 | } | ||
872 | |||
873 | int factor() const { | ||
874 | int f = 1; | ||
875 | for ( int i = 0 ; i < mPrecision ; ++i ) f *= 10; | ||
876 | return f; | ||
877 | } | ||
878 | |||
879 | double basicStep() const { | ||
880 | return 1.0/double(factor()); | ||
881 | } | ||
882 | |||
883 | int mapToInt( double value, bool * ok ) const { | ||
884 | assert( ok ); | ||
885 | const double f = factor(); | ||
886 | if ( value > double(INT_MAX) / f ) { | ||
887 | kdWarning() << "KDoubleSpinBox: can't represent value " << value | ||
888 | << "in terms of fixed-point numbers with precision " | ||
889 | << mPrecision << endl; | ||
890 | *ok = false; | ||
891 | return INT_MAX; | ||
892 | } else if ( value < double(INT_MIN) / f ) { | ||
893 | kdWarning() << "KDoubleSpinBox: can't represent value " << value | ||
894 | << "in terms of fixed-point numbers with precision " | ||
895 | << mPrecision << endl; | ||
896 | *ok = false; | ||
897 | return INT_MIN; | ||
898 | } else { | ||
899 | *ok = true; | ||
900 | return int( value * f + ( value < 0 ? -0.5 : 0.5 ) ); | ||
901 | } | ||
902 | } | ||
903 | |||
904 | double mapToDouble( int value ) const { | ||
905 | return double(value) * basicStep(); | ||
906 | } | ||
907 | |||
908 | int mPrecision; | ||
909 | KDoubleValidator * mValidator; | ||
910 | }; | ||
911 | |||
912 | KDoubleSpinBox::KDoubleSpinBox( QWidget * parent, const char * name ) | ||
913 | : QSpinBox( parent, name ) | ||
914 | { | ||
915 | editor()->setAlignment( Qt::AlignRight ); | ||
916 | d = new Private(); | ||
917 | updateValidator(); | ||
918 | } | ||
919 | |||
920 | KDoubleSpinBox::KDoubleSpinBox( double lower, double upper, double step, | ||
921 | double value, int precision, | ||
922 | QWidget * parent, const char * name ) | ||
923 | : QSpinBox( parent, name ) | ||
924 | { | ||
925 | editor()->setAlignment( Qt::AlignRight ); | ||
926 | d = new Private(); | ||
927 | setRange( lower, upper, step, precision ); | ||
928 | setValue( value ); | ||
929 | connect( this, SIGNAL(valueChanged(int)), SLOT(slotValueChanged(int)) ); | ||
930 | } | ||
931 | |||
932 | KDoubleSpinBox::~KDoubleSpinBox() { | ||
933 | delete d; d = 0; | ||
934 | } | ||
935 | |||
936 | bool KDoubleSpinBox::acceptLocalizedNumbers() const { | ||
937 | if ( !d->mValidator ) return true; // we'll set one that does; | ||
938 | // can't do it now, since we're const | ||
939 | return d->mValidator->acceptLocalizedNumbers(); | ||
940 | } | ||
941 | |||
942 | void KDoubleSpinBox::setAcceptLocalizedNumbers( bool accept ) { | ||
943 | if ( !d->mValidator ) updateValidator(); | ||
944 | d->mValidator->setAcceptLocalizedNumbers( accept ); | ||
945 | } | ||
946 | |||
947 | void KDoubleSpinBox::setRange( double lower, double upper, double step, | ||
948 | int precision ) { | ||
949 | lower = kMin(upper, lower); | ||
950 | upper = kMax(upper, lower); | ||
951 | setPrecision( precision, true ); // disable bounds checking, since | ||
952 | setMinValue( lower ); // it's done in set{Min,Max}Value | ||
953 | setMaxValue( upper ); // anyway and we want lower, upper | ||
954 | setLineStep( step ); // and step to have the right precision | ||
955 | } | ||
956 | |||
957 | int KDoubleSpinBox::precision() const { | ||
958 | return d->mPrecision; | ||
959 | } | ||
960 | |||
961 | void KDoubleSpinBox::setPrecision( int precision ) { | ||
962 | setPrecision( precision, false ); | ||
963 | } | ||
964 | |||
965 | void KDoubleSpinBox::setPrecision( int precision, bool force ) { | ||
966 | if ( precision < 1 ) return; | ||
967 | if ( !force ) { | ||
968 | int maxPrec = maxPrecision(); | ||
969 | if ( precision > maxPrec ) | ||
970 | precision = maxPrec; | ||
971 | } | ||
972 | d->mPrecision = precision; | ||
973 | updateValidator(); | ||
974 | } | ||
975 | |||
976 | int KDoubleSpinBox::maxPrecision() const { | ||
977 | // INT_MAX must be > maxAbsValue * 10^precision | ||
978 | // ==> 10^precision < INT_MAX / maxAbsValue | ||
979 | // ==> precision < log10 ( INT_MAX / maxAbsValue ) | ||
980 | // ==> maxPrecision = floor( log10 ( INT_MAX / maxAbsValue ) ); | ||
981 | double maxAbsValue = kMax( fabs(minValue()), fabs(maxValue()) ); | ||
982 | if ( maxAbsValue == 0 ) return 6; // return arbitrary value to avoid dbz... | ||
983 | |||
984 | return int( floor( log10( double(INT_MAX) / maxAbsValue ) ) ); | ||
985 | } | ||
986 | |||
987 | double KDoubleSpinBox::value() const { | ||
988 | return d->mapToDouble( base::value() ); | ||
989 | } | ||
990 | |||
991 | void KDoubleSpinBox::setValue( double value ) { | ||
992 | if ( value == this->value() ) return; | ||
993 | if ( value < minValue() ) | ||
994 | base::setValue( base::minValue() ); | ||
995 | else if ( value > maxValue() ) | ||
996 | base::setValue( base::maxValue() ); | ||
997 | else { | ||
998 | bool ok = false; | ||
999 | base::setValue( d->mapToInt( value, &ok ) ); | ||
1000 | assert( ok ); | ||
1001 | } | ||
1002 | } | ||
1003 | |||
1004 | double KDoubleSpinBox::minValue() const { | ||
1005 | return d->mapToDouble( base::minValue() ); | ||
1006 | } | ||
1007 | |||
1008 | void KDoubleSpinBox::setMinValue( double value ) { | ||
1009 | bool ok = false; | ||
1010 | int min = d->mapToInt( value, &ok ); | ||
1011 | if ( !ok ) return; | ||
1012 | base::setMinValue( min ); | ||
1013 | updateValidator(); | ||
1014 | } | ||
1015 | |||
1016 | |||
1017 | double KDoubleSpinBox::maxValue() const { | ||
1018 | return d->mapToDouble( base::maxValue() ); | ||
1019 | } | ||
1020 | |||
1021 | void KDoubleSpinBox::setMaxValue( double value ) { | ||
1022 | bool ok = false; | ||
1023 | int max = d->mapToInt( value, &ok ); | ||
1024 | if ( !ok ) return; | ||
1025 | base::setMaxValue( max ); | ||
1026 | updateValidator(); | ||
1027 | } | ||
1028 | |||
1029 | double KDoubleSpinBox::lineStep() const { | ||
1030 | return d->mapToDouble( base::lineStep() ); | ||
1031 | } | ||
1032 | |||
1033 | void KDoubleSpinBox::setLineStep( double step ) { | ||
1034 | bool ok = false; | ||
1035 | if ( step > maxValue() - minValue() ) | ||
1036 | base::setLineStep( 1 ); | ||
1037 | else | ||
1038 | base::setLineStep( kMax( d->mapToInt( step, &ok ), 1 ) ); | ||
1039 | } | ||
1040 | |||
1041 | QString KDoubleSpinBox::mapValueToText( int value ) { | ||
1042 | if ( acceptLocalizedNumbers() ) | ||
1043 | return KGlobal::locale() | ||
1044 | ->formatNumber( d->mapToDouble( value ), d->mPrecision ); | ||
1045 | else | ||
1046 | return QString().setNum( d->mapToDouble( value ), 'f', d->mPrecision ); | ||
1047 | } | ||
1048 | |||
1049 | int KDoubleSpinBox::mapTextToValue( bool * ok ) { | ||
1050 | double value; | ||
1051 | if ( acceptLocalizedNumbers() ) | ||
1052 | value = KGlobal::locale()->readNumber( cleanText(), ok ); | ||
1053 | else | ||
1054 | value = cleanText().toDouble( ok ); | ||
1055 | if ( !*ok ) return 0; | ||
1056 | if ( value > maxValue() ) | ||
1057 | value = maxValue(); | ||
1058 | else if ( value < minValue() ) | ||
1059 | value = minValue(); | ||
1060 | return d->mapToInt( value, ok ); | ||
1061 | } | ||
1062 | |||
1063 | void KDoubleSpinBox::setValidator( const QValidator * ) { | ||
1064 | // silently discard the new validator. We don't want another one ;-) | ||
1065 | } | ||
1066 | |||
1067 | void KDoubleSpinBox::slotValueChanged( int value ) { | ||
1068 | emit valueChanged( d->mapToDouble( value ) ); | ||
1069 | } | ||
1070 | |||
1071 | void KDoubleSpinBox::updateValidator() { | ||
1072 | if ( !d->mValidator ) { | ||
1073 | d->mValidator = new KDoubleValidator( minValue(), maxValue(), precision(), | ||
1074 | this, "d->mValidator" ); | ||
1075 | base::setValidator( d->mValidator ); | ||
1076 | } else | ||
1077 | d->mValidator->setRange( minValue(), maxValue(), precision() ); | ||
1078 | } | ||
1079 | |||
1080 | void KNumInput::virtual_hook( int, void* ) | ||
1081 | { /*BASE::virtual_hook( id, data );*/ } | ||
1082 | |||
1083 | void KIntNumInput::virtual_hook( int id, void* data ) | ||
1084 | { KNumInput::virtual_hook( id, data ); } | ||
1085 | |||
1086 | void KDoubleNumInput::virtual_hook( int id, void* data ) | ||
1087 | { KNumInput::virtual_hook( id, data ); } | ||
1088 | |||
1089 | void KIntSpinBox::virtual_hook( int, void* ) | ||
1090 | { /*BASE::virtual_hook( id, data );*/ } | ||
1091 | |||
1092 | void KDoubleSpinBox::virtual_hook( int, void* ) | ||
1093 | { /*BASE::virtual_hook( id, data );*/ } | ||
1094 | |||
1095 | //US #include "knuminput.moc" | ||