kgantt

xQGanttBarViewPort_Events.cpp
1//
2// file : xQGanttBarViewPort_Events.C
3// date : 11 nov 2000
4// changed : 27 dec 2000
5// author : jh
6//
7
8
9#include "xQGanttBarViewPort.h"
10#include "xQGanttBarView.h"
11
12#include <math.h>
13
14KGanttItem* xQGanttBarViewPort::_currentItem;
15
16
17static int _currentMButton;
18static bool _Mousemoved;
19static bool _selectItem;
20
21static int _timediff;
22
23static bool _changeEnd, _changeStart;
24static int oldw = -1, oldx = -1;
25
26TQDateTime _tmpStartDateTime, _tmpEndDateTime;
27
28
29void
30xQGanttBarViewPort::mousePressEvent(TQMouseEvent* e)
31{
32 // set _currentItem to pushed mousebutton
33 _currentMButton = e->button();
34 _Mousemoved = false;
35
36 _startPoint->setX( e->x() );
37 _startPoint->setY( e->y() );
38
39 _endPoint->setX( e->x() );
40 _endPoint->setY( e->y() );
41
42 _itemInfo->hide();
43 _itemTextEdit->hide();
44
45 // right mousebutton & control -> popup menu
46 if(e->button() == TQt::RightButton && e->state() == ControlButton ) {
47 _menu->popup(e->globalPos());
48 return;
49 }
50
51
52 /*
53 * get clicked item and position
54 */
55 _currentItem = NULL;
56 Position pos = check(&_currentItem, e->x(), e->y());
57
58 if(!_currentItem) {
59 unselectAll();
60 return;
61 }
62
63
64 /*
65 * edit text
66 */
67 if(e->button() == TQt::MidButton && _mode == Select) {
68
69 xTQTaskPosition* tp = _gItemList.find(_currentItem);
70 TQPainter p(this);
71
72 TQRect rect = p.boundingRect(tp->_textPosX,
73 tp->_textPosY, 200,
74 tp->_screenH, AlignLeft, _currentItem->getText() );
75
76 _itemTextEdit->setText(_currentItem->getText());
77 _itemTextEdit->move(tp->_textPosX, tp->_screenY + _margin + 1);
78 _itemTextEdit->setFixedWidth(rect.width()+40);
79 _itemTextEdit->setFixedHeight(tp->_screenH - 2 * _margin - 2);
80 _itemTextEdit->setFocus();
81
82 // if item is not editable, _itemTextEdit should be not editable
83 // as well
84 _itemTextEdit->setReadOnly(!_currentItem->isEditable());
85
86 _itemTextEdit->show();
87
88 }
89
90
91 /*
92 * open/close item, move start, end, item
93 */
94 if(e->button() == TQt::LeftButton && _mode == Select) {
95
96 _timediff = 0;
97
98 switch(pos) {
99
100 case Handle:
101
102 _currentItem->open( !_currentItem->isOpen() );
103 break;
104
105 case Center:
106
107 _changeEnd = true;
108 _changeStart = true;
109
110 if(e->state() == ShiftButton) {
111
112 TQString tmp; tmp.sprintf("%s\n", _currentItem->getText().latin1() );
113
114 tmp += _currentItem->getStart().toString();
115 tmp += " - ";
116 tmp += _currentItem->getEnd().toString();
117
118 _itemInfo->setText( tmp );
119 _itemInfo->adjustSize();
120
121 _itemInfo->move(e->x() + 25, _gItemList.find(_currentItem)->_screenY - 50 );
122 _itemInfo->show();
123 }
124 else
125 _selectItem = true;
126
127 break;
128
129
130 case East:
131
132 _changeEnd = true;
133 _changeStart = false;
134 break;
135
136
137 case West:
138
139 _changeStart = true;
140 _changeEnd = false;
141 break;
142
143 default :
144 break;
145
146 }
147
148
149
150 } // if(e->button() == LeftButton && _mode == Select)
151
152}
153
154
155
156void
157xQGanttBarViewPort::mouseReleaseEvent(TQMouseEvent* e)
158{
159 switch(_mode) {
160
161 case Select: {
162
163 if(_Mousemoved == true) {
164
165 _itemInfo->hide();
166
167 if(_changeStart == true || _changeEnd == true) {
168
169 if(_changeStart == true) {
170 _currentItem->setStart( _tmpStartDateTime );
171 }
172 if(_changeEnd == true) {
173 _currentItem->setEnd( _tmpEndDateTime );
174 }
175
176 oldx = -1; oldw = -1;
177
178 recalc();
179 TQWidget::update();
180
181 }
182 }
183 else {
184 if(_currentItem && _selectItem) {
185
186
187 if(e->state() & ControlButton) {
188 _currentItem->select( !_currentItem->isSelected() );
189 }
190 else {
191 bool state = _currentItem->isSelected();
192 unselectAll();
193 _currentItem->select( !state );
194 }
195
196 TQWidget::update();
197 _selectItem = false;
198
199 }
200 }
201
202 _changeEnd = false;
203 _changeStart = false;
204
205 }
206 break;
207
208
209 case Zoom:
210
211 if(!_Mousemoved) {
212
213 if(e->button() == TQt::LeftButton)
214 zoom(1.4, e->x(), e->y() );
215
216
217 if(e->button() == TQt::RightButton)
218 zoom(0.7, e->x(), e->y() );
219
220
221 if(e->button() == TQt::MidButton)
222 zoomAll();
223
224 }
225 else {
226
227 if(_currentMButton == TQt::LeftButton) {
228
229 TQPainter p(this);
230 TQPen pen(DashLine);
231 pen.setColor(red);
232 p.setRasterOp(XorROP);
233 p.setPen( pen );
234
235 p.drawRect(_startPoint->x(),
236 _startPoint->y(),
237 _endPoint->x()-_startPoint->x(),
238 _endPoint->y() - _startPoint->y());
239
240 double x1 = _startPoint->x();
241 double y1 = _startPoint->y();
242
243 double x2 = _endPoint->x();
244 double y2 = _endPoint->y();
245
246 double sys_width = fabs(x2 - x1);
247
248 double mass = (_parent->visibleWidth()/ sys_width);
249
250 zoom(mass, (int) (x1+(x2-x1)/2), (int) (y1+(y2-y1)/2) );
251
252
253 }
254 }
255
256 break;
257
258
259 default:
260 break;
261
262 }
263
264 _Mousemoved = false;
265 _currentMButton = 0;
266
267}
268
269
270
271void
272xQGanttBarViewPort::mouseMoveEvent(TQMouseEvent* e)
273{
274 if(fabs((float)(_startPoint->x() - e->x())) < 2 &&
275 fabs((float)(_startPoint->y() - e->y())) < 2 )
276 return;
277
278 static TQPen _dashPen(TQColor(255,0,0),DashLine);
279 static TQPen _solidPen(TQColor(200,200,200));
280
281 _Mousemoved = true;
282
283 switch(_mode) {
284
285 case Select: {
286
287 if(_currentMButton == TQt::LeftButton && _currentItem) {
288
289 TQPainter p(this);
290 p.setRasterOp(XorROP);
291 // TQPen pen(DashLine);
292 // pen.setColor(red);
293 p.setPen( _dashPen );
294
295 TQString stmp;
296 stmp.sprintf("%s\n", _currentItem->getText().latin1() );
297
298 int pixeldiff = e->x() - _startPoint->x();
299 _timediff = (int) ((double) pixeldiff / _scaleX + 0.5 );
300
301 xTQTaskPosition* tpos = _gItemList[_currentItem];
302
303 int x = tpos->_screenX; int w = tpos->_screenW;
304
305 if(_changeStart && _changeEnd) {
306 double tmp = (double) _timediff/(double) _snapgrid;
307 _timediff = ((int) (tmp + sgn(tmp) * 0.5)) * _snapgrid;
308 stmp += _currentItem->getStart().addSecs(_timediff*60).toString();
309 stmp += " - ";
310 stmp += _currentItem->getEnd().addSecs(_timediff*60).toString();
311 x += (int) (_timediff * _scaleX);
312
313 _tmpStartDateTime = _currentItem->getStart().addSecs(_timediff*60);
314 _tmpEndDateTime = _currentItem->getEnd().addSecs(_timediff*60);
315
316 }
317 else {
318
319 if(_changeStart) {
320
321 TQDateTime movedStart( _currentItem->getStart().addSecs(_timediff*60) );
322
323 _tmpStartDateTime.setDate( movedStart.date() );
324 _tmpStartDateTime.setTime(TQTime(0,0,0,0));
325
326 double diff = _tmpStartDateTime.secsTo(movedStart)/60;
327
328 double tmp = diff/(double) _snapgrid;
329 _timediff = ((int) (tmp + sgn(tmp) * 0.5)) * _snapgrid;
330
331 _tmpStartDateTime = _tmpStartDateTime.addSecs(_timediff*60);
332 _timediff = _currentItem->getStart().secsTo(_tmpStartDateTime)/60;
333
334 stmp += _tmpStartDateTime.toString().latin1();
335 stmp += " - ";
336 stmp += _currentItem->getEnd().toString();
337
338 x += (int) (_timediff * _scaleX);
339 w -= (int) (_timediff * _scaleX);
340 }
341
342 if(_changeEnd) {
343
344 TQDateTime movedEnd( _currentItem->getEnd().addSecs(_timediff*60) );
345
346 _tmpEndDateTime.setDate( movedEnd.date() );
347 _tmpEndDateTime.setTime(TQTime(0,0,0,0));
348
349 double diff = _tmpEndDateTime.secsTo(movedEnd)/60;
350
351 double tmp = diff/(double) _snapgrid;
352 _timediff = ((int) (tmp + sgn(tmp) * 0.5)) * _snapgrid;
353
354 _tmpEndDateTime = _tmpEndDateTime.addSecs(_timediff*60);
355 _timediff = _currentItem->getEnd().secsTo(_tmpEndDateTime)/60;
356
357 stmp += _currentItem->getStart().toString();
358 stmp += " - ";
359 stmp += _tmpEndDateTime.toString().latin1();
360
361 w += (int) (_timediff * _scaleX);
362
363 }
364
365 }
366
367 _itemInfo->setText( stmp );
368 _itemInfo->adjustSize();
369 _itemInfo->move(e->x() + 25, _gItemList.find(_currentItem)->_screenY - 50);
370 _itemInfo->show();
371
372 if(oldx > 0) {
373 p.fillRect(oldx, _gItemList.find(_currentItem)->_screenY,
374 oldw, _gItemList.find(_currentItem)->_screenH,
375 TQBrush(TQColor(50,50,50), Dense4Pattern));
376 p.drawRect(oldx, _gItemList.find(_currentItem)->_screenY,
377 oldw, _gItemList.find(_currentItem)->_screenH);
378
379 p.setPen(_solidPen);
380 if(_changeStart)
381 p.drawLine(oldx, 0, oldx, height());
382 if(oldw > 2)
383 if(_changeEnd)
384 p.drawLine(oldx + oldw, 0, oldx + oldw, height());
385
386 }
387
388 p.setPen(_dashPen);
389 p.fillRect(x, _gItemList.find(_currentItem)->_screenY,
390 w, _gItemList.find(_currentItem)->_screenH,
391 TQBrush(TQColor(50,50,50), Dense4Pattern) );
392 p.drawRect(x, _gItemList.find(_currentItem)->_screenY,
393 w, _gItemList.find(_currentItem)->_screenH);
394
395 p.setPen(_solidPen);
396 if(_changeStart)
397 p.drawLine(x, 0, x, height());
398
399 if(w>2)
400 if(_changeEnd)
401 p.drawLine(x + w, 0, x + w, height());
402
403 oldx = x; oldw = w;
404
405 }
406 else {
407
408 static Position _pos = Outside;
409
410 KGanttItem* item = NULL;
411
412 Position pos = check(&item, e->x(), e->y());
413
414 if(_pos != pos) {
415
416 _pos = pos;
417
418 if(pos == West || pos == East) {
419 setCursor( splitHCursor );
420 break;
421 }
422 if(pos == North || pos == South) {
423 setCursor( splitVCursor );
424 break;
425 }
426 if(pos == Center) {
427 setCursor( upArrowCursor);
428 break;
429 }
430 if(pos == Handle) {
431 setCursor(pointingHandCursor);
432 break;
433 }
434
435 setCursor(arrowCursor);
436
437 }
438 }
439 }
440 break;
441
442
443 case Zoom: {
444
445 if(_currentMButton == TQt::LeftButton) {
446
447 static TQString strpos;
448
449 strpos = "";
450
451 int s = worldX(_startPoint->x());
452 TQDateTime d1 = _toplevelitem->getStart().addSecs(s*60);
453
454 s = worldX(e->x());
455 TQDateTime d2 = _toplevelitem->getStart().addSecs(s*60);
456
457 strpos += d1.date().toString();
458 strpos += " - ";
459 strpos += d2.date().toString();
460
461 emit message(strpos);
462
463 TQPainter p(this);
464 TQPen pen(DashLine);
465 pen.setColor(red);
466
467 p.setRasterOp(XorROP);
468
469 p.setPen( pen );
470
471 p.drawRect(_startPoint->x(),
472 _startPoint->y(),
473 _endPoint->x()-_startPoint->x(),
474 _endPoint->y() - _startPoint->y());
475
476 TQBrush _selectedbrush( TQColor(50,50,50), Dense4Pattern );
477
478 p.fillRect( _startPoint->x(), _startPoint->y(),
479 _endPoint->x()-_startPoint->x(), _endPoint->y() - _startPoint->y(),
480 _selectedbrush );
481
482 _endPoint->setX( e->x() );
483 _endPoint->setY( e->y() );
484
485
486 p.drawRect(_startPoint->x(), _startPoint->y(),
487 _endPoint->x()-_startPoint->x(), _endPoint->y() - _startPoint->y());
488
489 p.fillRect( _startPoint->x(), _startPoint->y(),
490 _endPoint->x()-_startPoint->x(), _endPoint->y() - _startPoint->y(),
491 _selectedbrush );
492 }
493
494 }
495
496 break;
497
498 case Move: {
499 emit scroll(_startPoint->x() - e->x(), _startPoint->y() - e->y() );
500 }
501 break;
502
503
504 default :
505 break;
506
507 }
508}
509
510
511void
512xQGanttBarViewPort::keyPressEvent(TQKeyEvent* e)
513{
514
515 printf("xQGanttBarViewPort::keyPressEvent() key = %d \n", e->key() );
516
517 int dx = 15;
518
519 if(e->state() == ControlButton)
520 dx *= 10;
521
522 switch(e->key()) {
523
524 case Key_Left:
525
526 emit scroll(-dx,0);
527 break;
528
529 case Key_Right:
530
531 emit scroll(dx,0);
532 break;
533
534 case Key_Up:
535
536 emit scroll(0,-dx);
537 break;
538
539 case Key_Down:
540
541 emit scroll(0, dx);
542 break;
543
544 case 43: // +
545
546 zoom(1.4);
547 break;
548
549 case 45: // -
550
551 zoom(0.7);
552 break;
553
554 case 4103: // del
555
556 deleteSelectedItems();
557 break;
558
559 case 4102: // einfg
560
561 insertIntoSelectedItem();
562 break;
563
564 case 4119: // bild v
565
566 emit scroll(0, dx*15);
567 break;
568
569 case 4118: // bild ^
570
571 emit scroll(0,-dx*15);
572 break;
573
574 }
575
576}
577
578
579void
580xQGanttBarViewPort::paintEvent(TQPaintEvent * e)
581
582{
583 update(e->rect().left(), e->rect().top(),
584 e->rect().right(), e->rect().bottom() );
585}
KGanttItem
KGanttItem.
Definition: KGanttItem.h:56
KGanttItem::getStart
TQDateTime getStart()
Get date of starting.
Definition: KGanttItem.cpp:208
KGanttItem::setEnd
void setEnd(const TQDateTime &end)
Set time/date of end.
Definition: KGanttItem.cpp:269
KGanttItem::select
void select(bool f)
Select/unselect item.
Definition: KGanttItem.cpp:450
KGanttItem::isOpen
bool isOpen()
Returns true if item is open (subitems has to be drawn)
Definition: KGanttItem.h:178
KGanttItem::getEnd
TQDateTime getEnd()
Get date of ending.
Definition: KGanttItem.cpp:220
KGanttItem::isEditable
bool isEditable()
Returns if item is editable.
Definition: KGanttItem.h:209
KGanttItem::getText
TQString getText()
Get text.
Definition: KGanttItem.h:340
KGanttItem::setStart
void setStart(const TQDateTime &start)
Set time/date of start.
Definition: KGanttItem.cpp:232
KGanttItem::open
void open(bool f)
Open / Close item.
Definition: KGanttItem.cpp:435
KGanttItem::isSelected
bool isSelected()
Returns true if item is selected.
Definition: KGanttItem.h:219
xQGanttBarViewPort::update
void update(int x1, int y1, int x2, int y2)
Update widget.
Definition: xQGanttBarViewPort.cpp:286