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  • Committer: Bazaar Package Importer
  • Author(s): Daniel Kobras
  • Date: 2005-08-23 17:19:39 UTC
  • mto: (4.1.1 breezy) (1.1.9) (10.1.6 sid)
  • mto: This revision was merged to the branch mainline in revision 5.
  • Revision ID: james.westby@ubuntu.com-20050823171939-hd8fgzokb4dbj007
Tags: upstream-0.7.1+0.7.2pre2
Import upstream version 0.7.1+0.7.2pre2

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ctrl/ctrlcanvas.cpp
1
 
//=========================================================
2
 
//  MusE
3
 
//  Linux Music Editor
4
 
//    $Id: ctrlcanvas.cpp,v 1.2 2003/11/19 21:28:40 lunar_shuttle Exp $
5
 
//  (C) Copyright 1999 Werner Schweer (ws@seh.de)
6
 
//=========================================================
7
 
 
8
 
#include <stdio.h>
9
 
 
10
 
#include <qlayout.h>
11
 
#include <qpainter.h>
12
 
#include <qtoolbutton.h>
13
 
#include <qpopupmenu.h>
14
 
#include <qlabel.h>
15
 
#include <qcursor.h>
16
 
 
17
 
#include "globals.h"
18
 
#include "ctrledit.h"
19
 
#include "midieditor.h"
20
 
#include "icons.h"
21
 
#include "event.h"
22
 
#include "midiport.h"
23
 
#include "midithread.h"
24
 
 
25
 
extern void drawTickRaster(QPainter& p, int x, int y,
26
 
   int w, int h, int quant);
27
 
 
28
 
//---------------------------------------------------------
29
 
//   CEvent
30
 
//---------------------------------------------------------
31
 
 
32
 
CEvent::CEvent(MidiEvent* e, MidiPart* pt, int v)
33
 
      {
34
 
      _event = e;
35
 
      _part  = pt;
36
 
      _val   = v;
37
 
      ex     = e ? e->posTick() : 0;
38
 
      }
39
 
 
40
 
//---------------------------------------------------------
41
 
//   contains
42
 
//---------------------------------------------------------
43
 
 
44
 
bool CEvent::contains(int x1, int x2) const
45
 
      {
46
 
      int tick1 = _event ? _event->posTick() + _part->posTick() : 0;
47
 
      int tick2 = ex + _part->posTick();
48
 
      return ((tick1 >= x1 && tick1 < x2)
49
 
         || (tick2 >= x1 && tick2 < x2)
50
 
         || (tick1 < x1 && tick2 >= x2));
51
 
      }
52
 
 
53
 
//---------------------------------------------------------
54
 
//   CtrlCanvas
55
 
//---------------------------------------------------------
56
 
 
57
 
CtrlCanvas::CtrlCanvas(MidiEditor* e, QWidget* parent, int xmag,
58
 
   const char* name) : View(parent, xmag, 1, name)
59
 
      {
60
 
      setBg(white);
61
 
      editor = e;
62
 
      drag   = DRAG_OFF;
63
 
      tool   = PointerTool;
64
 
      pos[0] = 0;
65
 
      pos[1] = 0;
66
 
      pos[2] = 0;
67
 
      keyFilter = -1; //Start with no key filter
68
 
      connect(song, SIGNAL(posChanged(int, int, bool)), this, SLOT(setPos(int, int, bool)));
69
 
 
70
 
      setMouseTracking(true);
71
 
      if (editor->parts()->empty()) {
72
 
            curPart = 0;
73
 
            curTrack = 0;
74
 
            }
75
 
      else {
76
 
            curPart  = (MidiPart*)(editor->parts()->begin()->second);
77
 
            curTrack = (MidiTrack*)(curPart->track());
78
 
            }
79
 
      connect(song, SIGNAL(songChanged(int)), SLOT(songChanged(int)));
80
 
      songChanged(SC_TRACK_INSERTED);
81
 
      }
82
 
 
83
 
//---------------------------------------------------------
84
 
//   setPos
85
 
//    set one of three markers
86
 
//    idx   - 0-cpos  1-lpos  2-rpos
87
 
//    flag  - emit followEvent()
88
 
//---------------------------------------------------------
89
 
 
90
 
void CtrlCanvas::setPos(int idx, int val, bool adjustScrollbar)
91
 
      {
92
 
#if 1
93
 
//      printf("ctrlCanvas: setPos %d %d\n", idx, val);
94
 
      if (pos[idx] == val)
95
 
            return;
96
 
 
97
 
      int opos = mapx(pos[idx]);
98
 
      int npos = mapx(val);
99
 
 
100
 
      if (adjustScrollbar && idx == 0) {
101
 
            switch (song->follow()) {
102
 
                  case  Song::NO:
103
 
                        break;
104
 
                  case Song::JUMP:
105
 
                        if (npos >= width()) {
106
 
                              int ppos =  val - rmapxDev(width()/4);
107
 
                              if (ppos < 0)
108
 
                                    ppos = 0;
109
 
                              emit followEvent(ppos);
110
 
                              opos = mapx(pos[idx]);
111
 
                              npos = mapx(val);
112
 
                              }
113
 
                        else if (npos < 0) {
114
 
                              int ppos =  val - rmapxDev(width()*3/4);
115
 
                              if (ppos < 0)
116
 
                                    ppos = 0;
117
 
                              emit followEvent(ppos);
118
 
                              opos = mapx(pos[idx]);
119
 
                              npos = mapx(val);
120
 
                              }
121
 
                        break;
122
 
                  case Song::CONTINUOUS:
123
 
                        if (npos > (width()*5)/8) {
124
 
                              int ppos =  pos[idx] - rmapxDev(width()*5/8);
125
 
                              if (ppos < 0)
126
 
                                    ppos = 0;
127
 
                              emit followEvent(ppos);
128
 
                              opos = mapx(pos[idx]);
129
 
                              npos = mapx(val);
130
 
                              }
131
 
                        else if (npos < (width()*3)/8) {
132
 
                              int ppos =  pos[idx] - rmapxDev(width()*3/8);
133
 
                              if (ppos < 0)
134
 
                                    ppos = 0;
135
 
                              emit followEvent(ppos);
136
 
                              opos = mapx(pos[idx]);
137
 
                              npos = mapx(val);
138
 
                              }
139
 
                        break;
140
 
                  }
141
 
            }
142
 
 
143
 
      int x;
144
 
      int w = 1;
145
 
      if (opos > npos) {
146
 
            w += opos - npos;
147
 
            x = npos;
148
 
            }
149
 
      else {
150
 
            w += npos - opos;
151
 
            x = opos;
152
 
            }
153
 
      pos[idx] = val;
154
 
//printf("    redraw %d %d %d %d\n", x, 0, w, height());
155
 
      redraw(QRect(x, 0, w, height()));
156
 
 
157
 
#else
158
 
      if (pos[idx] == val)
159
 
            return;
160
 
 
161
 
      int opos = mapx(pos[idx]);
162
 
      pos[idx] = val;
163
 
 
164
 
      if (!isVisible())
165
 
            return;
166
 
      val = mapx(val);
167
 
      if (adjustScrollbar && idx == 0) {
168
 
            switch (song->follow()) {
169
 
                  case  Song::NO:
170
 
                        break;
171
 
                  case Song::JUMP:
172
 
                        if (val >= width()) {
173
 
                              emit followEvent(val);
174
 
                              return;
175
 
                              }
176
 
                        break;
177
 
                  case Song::CONTINUOUS:
178
 
                        if (val > width()/2) {
179
 
                              int ppos =  pos[idx] - rmapxDev(width()/2);
180
 
                              if (ppos < 0)
181
 
                                    ppos = 0;
182
 
                              emit followEvent(ppos);
183
 
                              return;
184
 
                              }
185
 
                        break;
186
 
                  }
187
 
            }
188
 
      int x;
189
 
      int w = 1;
190
 
      if (opos > val) {
191
 
            w += opos - val;
192
 
            x = val;
193
 
            }
194
 
      else {
195
 
            w += val - opos;
196
 
            x = opos;
197
 
            }
198
 
      paint(QRect(x, 0, w, height()));
199
 
#endif
200
 
      }
201
 
 
202
 
//---------------------------------------------------------
203
 
//   setCtrlType
204
 
//---------------------------------------------------------
205
 
 
206
 
void CtrlCanvas::setController(const MidiController& c)
207
 
      {
208
 
      ctrl = c;
209
 
      songChanged(-1);
210
 
      }
211
 
 
212
 
//---------------------------------------------------------
213
 
//   setKeyfilter
214
 
//---------------------------------------------------------
215
 
void CtrlCanvas::setKeyfilter(char in_keyfilter)
216
 
   {
217
 
   keyFilter = in_keyfilter;
218
 
   songChanged(-1); //Correct?
219
 
   }
220
 
 
221
 
//---------------------------------------------------------
222
 
//   leaveEvent
223
 
//---------------------------------------------------------
224
 
 
225
 
void CtrlCanvas::leaveEvent(QEvent*)
226
 
      {
227
 
      emit xposChanged(-1);
228
 
      emit yposChanged(-1);
229
 
      }
230
 
 
231
 
QPoint CtrlCanvas::raster(const QPoint& p) const
232
 
      {
233
 
      return p;
234
 
      }
235
 
 
236
 
//---------------------------------------------------------
237
 
//   deselectAll
238
 
//---------------------------------------------------------
239
 
 
240
 
void CtrlCanvas::deselectAll()
241
 
      {
242
 
//    for (iCEvent i = selection.begin(); i != selection.end(); ++i)
243
 
//            (*i)->setState(CEvent::Normal);
244
 
//      selection.clear();
245
 
//      update();
246
 
      }
247
 
 
248
 
//---------------------------------------------------------
249
 
//   selectItem
250
 
//---------------------------------------------------------
251
 
 
252
 
void CtrlCanvas::selectItem(CEvent*)
253
 
      {
254
 
//      e->setState(CEvent::Selected);
255
 
//      selection.push_back(e);
256
 
//      update();
257
 
      }
258
 
 
259
 
//---------------------------------------------------------
260
 
//   deselectItem
261
 
//---------------------------------------------------------
262
 
 
263
 
void CtrlCanvas::deselectItem(CEvent*)
264
 
      {
265
 
/*      e->setState(CEvent::Normal);
266
 
      for (iCEvent i = selection.begin(); i != selection.end(); ++i) {
267
 
            if (*i == e) {
268
 
                  selection.erase(i);
269
 
                  break;
270
 
                  }
271
 
            }
272
 
      update();
273
 
      */
274
 
      }
275
 
 
276
 
//---------------------------------------------------------
277
 
//   songChanged
278
 
//    alle markierten Parts werden hier
279
 
//    in die interne Eventliste aufgenommen
280
 
//---------------------------------------------------------
281
 
 
282
 
void CtrlCanvas::songChanged(int)
283
 
      {
284
 
      if (editor->parts()->empty())
285
 
            return;
286
 
      items.clear();
287
 
 
288
 
      MidiPort* port = &midiPorts[curTrack->outPort()];
289
 
 
290
 
      //---------------------------------------------------
291
 
      //    get initial controller value
292
 
      //---------------------------------------------------
293
 
 
294
 
      int val = 0;
295
 
      ChannelState* ics = port->iState(curTrack->outChannel());
296
 
      switch(ctrl.type()) {
297
 
            case MidiController::Controller7:
298
 
                  val = ics->controller[ctrl.hnum()];
299
 
                  break;
300
 
            case MidiController::Controller14:
301
 
                  {
302
 
                  int hval = ics->controller[ctrl.hnum()];
303
 
                  int lval = ics->controller[ctrl.lnum()];
304
 
                  if (hval == -1 && lval == -1)
305
 
                        val = -1;
306
 
                  else {
307
 
                        if (hval == -1)
308
 
                              hval = 0;
309
 
                        if (lval == -1)
310
 
                              lval = 0;
311
 
                        val = (hval << 7) + lval;
312
 
                        }
313
 
                  }
314
 
                  break;
315
 
            case MidiController::RPN:
316
 
            case MidiController::NRPN:
317
 
                  // TODO
318
 
                  break;
319
 
            case MidiController::Pitch:
320
 
                  val = ics->pitch;
321
 
                  break;
322
 
            case MidiController::XgSysex:
323
 
            case MidiController::Sysex:
324
 
                  // TODO
325
 
                  break;
326
 
            case MidiController::Velo:
327
 
                  break;
328
 
            }
329
 
 
330
 
      MidiEvent* last = 0;
331
 
      CEvent* lastce  = 0;
332
 
 
333
 
      for (iPart p = editor->parts()->begin(); p != editor->parts()->end(); ++p) {
334
 
            MidiPart* part = (MidiPart*)(p->second);
335
 
            EventList* el = part->events();
336
 
            for (iEvent i = el->begin(); i != el->end(); ++i) {
337
 
                  MidiEvent* e = (MidiEvent*)i->second;
338
 
                  switch(ctrl.type()) {
339
 
                        case MidiController::Velo:
340
 
                              if (e->type() != MidiEvent::Note)
341
 
                                    break;
342
 
                              //If it's velocity and keyFilter is activated, only add items with the same key
343
 
                              if (keyFilter == -1) { //If no keyFilter, just add it:
344
 
                                 items.add(new CEvent(e, part, e->velo()));
345
 
                                 }
346
 
                              else if (e->dataA() == keyFilter) //If keyFilter matches, add it
347
 
                                 items.add(new CEvent(e, part, e->velo()));
348
 
 
349
 
                              break;
350
 
                        case MidiController::Controller7:
351
 
                              if (e->type() != MidiEvent::Ctrl7)
352
 
                                    break;
353
 
                              if (e->cntrl() != ctrl.hnum())
354
 
                                    break;
355
 
                              if (last == 0) {
356
 
                                    lastce = new CEvent(0, part, val);
357
 
                                    items.add(lastce);
358
 
                                    }
359
 
                              if (lastce)
360
 
                                    lastce->setEX(e->posTick());
361
 
                              lastce = new CEvent(e, part, e->cntrlVal());
362
 
                              items.add(lastce);
363
 
                              last = e;
364
 
                              break;
365
 
                        case MidiController::Controller14:
366
 
                              if (e->type() != MidiEvent::Ctrl14)
367
 
                                    break;
368
 
                              if ((e->dataA() != ctrl.hnum()) || (e->dataC() != ctrl.lnum()))
369
 
                                    break;
370
 
                              if (last == 0) {
371
 
                                    lastce = new CEvent(0, part, val);
372
 
                                    items.add(lastce);
373
 
                                    }
374
 
                              if (lastce)
375
 
                                    lastce->setEX(e->posTick());
376
 
                              lastce = new CEvent(e, part, e->dataB());
377
 
                              items.add(lastce);
378
 
                              last = e;
379
 
                              break;
380
 
                        case MidiController::Pitch:
381
 
                              if (e->type() != MidiEvent::Pitch)
382
 
                                    break;
383
 
                              if (last == 0) {
384
 
                                    lastce = new CEvent(0, part, val);
385
 
                                    items.add(lastce);
386
 
                                    }
387
 
                              if (lastce)
388
 
                                    lastce->setEX(e->posTick());
389
 
                              lastce = new CEvent(e, part, e->dataA());
390
 
                              items.add(lastce);
391
 
                              last = e;
392
 
                              break;
393
 
                        default:
394
 
                              break;
395
 
                        }
396
 
                  }
397
 
            }
398
 
      redraw();
399
 
      }
400
 
 
401
 
//---------------------------------------------------------
402
 
//   viewMousePressEvent
403
 
//---------------------------------------------------------
404
 
 
405
 
void CtrlCanvas::viewMousePressEvent(QMouseEvent* event)
406
 
      {
407
 
      start = event->pos();
408
 
      Tool activeTool = tool;
409
 
      bool shift = event->state() & ShiftButton;
410
 
 
411
 
      int xpos = start.x();
412
 
      int ypos = start.y();
413
 
 
414
 
      switch (activeTool) {
415
 
            case PointerTool:
416
 
                  drag = DRAG_LASSO_START;
417
 
                  break;
418
 
 
419
 
            case PencilTool:
420
 
                  if (shift) {
421
 
                        if (ctrl.type() != MidiController::Velo) {
422
 
                              drag = DRAG_NEW;
423
 
                              song->startUndo();
424
 
                              newVal(xpos, xpos, ypos);
425
 
                              }
426
 
                        }
427
 
                  else {
428
 
                        drag = DRAG_RESIZE;
429
 
                        song->startUndo();
430
 
                        changeVal(xpos, xpos, ypos);
431
 
                        }
432
 
                  break;
433
 
 
434
 
            case RubberTool:
435
 
                  if (ctrl.type() != MidiController::Velo) {
436
 
                        drag = DRAG_DELETE;
437
 
                        song->startUndo();
438
 
                        deleteVal(xpos, xpos, ypos);
439
 
                        }
440
 
                  break;
441
 
 
442
 
            case DrawTool:
443
 
                  if (drawLineMode) {
444
 
                        line2x = xpos;
445
 
                        line2y = ypos;
446
 
                        if (shift)
447
 
                              newValRamp(line1x, line1y, line2x, line2y);
448
 
                        else
449
 
                              changeValRamp(line1x, line1y, line2x, line2y);
450
 
                        drawLineMode = false;
451
 
                        }
452
 
                  else {
453
 
                        line2x = line1x = xpos;
454
 
                        line2y = line1y = ypos;
455
 
                        drawLineMode = true;
456
 
                        }
457
 
                  redraw();
458
 
                  break;
459
 
 
460
 
            default:
461
 
                  break;
462
 
            }
463
 
      }
464
 
 
465
 
//---------------------------------------------------------
466
 
//   newValRamp
467
 
//---------------------------------------------------------
468
 
 
469
 
void CtrlCanvas::newValRamp(int x1, int y1, int x2, int y2)
470
 
      {
471
 
      int xx1 = editor->rasterVal1(x1);
472
 
      int xx2 = editor->rasterVal2(x2);
473
 
      int min = ctrl.minVal();
474
 
      int max = ctrl.maxVal();
475
 
      int h   = height();
476
 
 
477
 
      int raster = editor->raster();
478
 
      if (raster == 1)          // set reasonable raster
479
 
            raster = division/4;
480
 
 
481
 
      song->startUndo();
482
 
 
483
 
      // delete existing events
484
 
 
485
 
      for (ciCEvent i = items.begin(); i != items.end(); ++i) {
486
 
            CEvent* ev = *i;
487
 
            MidiEvent* event = ev->event();
488
 
            if (event == 0)
489
 
                  continue;
490
 
            int x = event->posTick();
491
 
            if (x < xx1)
492
 
                  continue;
493
 
            if (x >= xx2)
494
 
                  break;
495
 
            midiThread->msgDeleteEvent(event, ev->part(), false);
496
 
            }
497
 
 
498
 
      // insert new events
499
 
      for (int x = xx1; x < xx2; x += raster) {
500
 
            int y = (x2==x1) ? y1 : (((y2-y1)*(x-x1))/(x2-x1))+y1;
501
 
            int nval = (((h - y) *  (max-min)) / h) + min;
502
 
            if (nval > max)
503
 
                  nval = max;
504
 
 
505
 
            int tick = x - curPart->posTick();
506
 
            MidiEvent* event = 0;
507
 
            switch(ctrl.type()) {
508
 
                  case MidiController::Controller7:
509
 
                        event = new MidiEvent(
510
 
                           tick, MidiEvent::Ctrl7, ctrl.hnum(), nval, 0, 0);
511
 
                        break;
512
 
                  case MidiController::Controller14:
513
 
                        event = new MidiEvent(
514
 
                           tick, MidiEvent::Ctrl14, ctrl.hnum(), nval, ctrl.lnum(), 0);
515
 
                        break;
516
 
                  case MidiController::RPN:
517
 
                        event = new MidiEvent(
518
 
                           tick, MidiEvent::RPN, ctrl.hnum()*128+ctrl.lnum(), nval, 0, 0);
519
 
                        break;
520
 
                  case MidiController::NRPN:
521
 
                        event = new MidiEvent(
522
 
                           tick, MidiEvent::RPN, ctrl.hnum()*128+ctrl.lnum(), nval, 0, 0);
523
 
                        break;
524
 
                  case MidiController::XgSysex:
525
 
                  case MidiController::Sysex:
526
 
                        break;
527
 
                  case MidiController::Pitch:
528
 
                        event = new MidiEvent(
529
 
                           tick, MidiEvent::Pitch, nval, 0, 0, 0);
530
 
                        break;
531
 
                  case MidiController::Velo:
532
 
                        break;
533
 
                  }
534
 
            if (event) {
535
 
                  midiThread->msgAddEvent(event, curPart, false);
536
 
                  }
537
 
            }
538
 
      song->update(0);
539
 
      redraw();
540
 
      song->endUndo(SC_EVENT_MODIFIED | SC_EVENT_INSERTED | SC_EVENT_REMOVED);
541
 
      }
542
 
 
543
 
//---------------------------------------------------------
544
 
//   changeValRamp
545
 
//---------------------------------------------------------
546
 
 
547
 
void CtrlCanvas::changeValRamp(int x1, int y1, int x2, int y2)
548
 
      {
549
 
      int h   = height();
550
 
      int min = ctrl.minVal();
551
 
      int max = ctrl.maxVal();
552
 
      bool changed = false;
553
 
 
554
 
      song->startUndo();
555
 
      for (ciCEvent i = items.begin(); i != items.end(); ++i) {
556
 
            if ((*i)->contains(x1, x2)) {
557
 
                  CEvent* ev       = *i;
558
 
                  MidiEvent* event = ev->event();
559
 
                  if (event == 0)
560
 
                        continue;
561
 
 
562
 
                  MidiPart* part   = ev->part();
563
 
 
564
 
                  int x = event->posTick() + ev->part()->posTick();
565
 
                  int y = (x2==x1) ? y1 : (((y2-y1)*(x-x1))/(x2-x1))+y1;
566
 
                  int nval = (((h - y) *  (max-min)) / h) + min;
567
 
                  if (nval > max)
568
 
                        nval = max;
569
 
 
570
 
                  ev->setVal(nval);
571
 
                  if (ctrl.type() == MidiController::Velo) {
572
 
                        if ((event->velo() != nval)) {
573
 
                              MidiEvent* newEvent = new MidiEvent(*event);
574
 
                              newEvent->setVelo(nval);
575
 
                              midiThread->msgChangeEvent(event, newEvent, part, false);
576
 
                              ev->setEvent(newEvent);
577
 
                              changed = true;
578
 
                              }
579
 
                        }
580
 
                  else if (ctrl.type() == MidiController::Controller7) {
581
 
                        if (event) {
582
 
                              if ((event->cntrlVal() != nval)) {
583
 
                                    MidiEvent* newEvent = new MidiEvent(*event);
584
 
                                    newEvent->setB(nval);
585
 
                                    midiThread->msgChangeEvent(event, newEvent, part, false);
586
 
                                    ev->setEvent(newEvent);
587
 
                                    changed = true;
588
 
                                    }
589
 
                              }
590
 
                        else {
591
 
                              MidiPort* port = &midiPorts[curTrack->outPort()];
592
 
                              int channel = curTrack->outChannel();
593
 
                              int oval = port->iState(channel)->controller[ctrl.hnum()];
594
 
                              if (oval != nval) {
595
 
                                    port->iState(channel)->controller[ctrl.hnum()] = nval;
596
 
                                    changed = true;
597
 
                                    }
598
 
                              }
599
 
                        }
600
 
                  }
601
 
            }
602
 
      if (changed)
603
 
            redraw();
604
 
      song->endUndo(SC_EVENT_MODIFIED);
605
 
      }
606
 
 
607
 
//---------------------------------------------------------
608
 
//   viewMouseMoveEvent
609
 
//---------------------------------------------------------
610
 
 
611
 
void CtrlCanvas::viewMouseMoveEvent(QMouseEvent* event)
612
 
      {
613
 
      QPoint pos  = event->pos();
614
 
      QPoint dist = pos - start;
615
 
      bool moving = dist.y() >= 3 || dist.y() <= 3 || dist.x() >= 3 || dist.x() <= 3;
616
 
      switch (drag) {
617
 
            case DRAG_LASSO_START:
618
 
                  if (!moving)
619
 
                        break;
620
 
                  drag = DRAG_LASSO;
621
 
                  // weiter mit DRAG_LASSO:
622
 
            case DRAG_LASSO:
623
 
                  lasso.setRect(start.x(), start.y(), dist.x(), dist.y());
624
 
                  redraw();
625
 
                  break;
626
 
            case DRAG_RESIZE:
627
 
                  changeVal(start.x(), pos.x(), pos.y());
628
 
                  start = pos;
629
 
                  break;
630
 
 
631
 
            case DRAG_NEW:
632
 
                  newVal(start.x(), pos.x(), pos.y());
633
 
                  start = pos;
634
 
                  break;
635
 
 
636
 
            case DRAG_DELETE:
637
 
                  deleteVal(start.x(), pos.x(), pos.y());
638
 
                  start = pos;
639
 
                  break;
640
 
 
641
 
            default:
642
 
                  break;
643
 
            }
644
 
      if (tool == DrawTool && drawLineMode) {
645
 
            line2x = pos.x();
646
 
            line2y = pos.y();
647
 
            redraw();
648
 
            }
649
 
      emit xposChanged(pos.x());
650
 
      int min = ctrl.minVal();
651
 
      int max = ctrl.maxVal();
652
 
      int val = max - (pos.y() * (max-min) / height());
653
 
      if (val < min)
654
 
            val = min;
655
 
      if (val > max)
656
 
            val = max;
657
 
      emit yposChanged(val);
658
 
      }
659
 
 
660
 
//---------------------------------------------------------
661
 
//   viewMouseReleaseEvent
662
 
//---------------------------------------------------------
663
 
 
664
 
void CtrlCanvas::viewMouseReleaseEvent(QMouseEvent* event)
665
 
      {
666
 
      bool shift = event->state() & ShiftButton;
667
 
 
668
 
      switch (drag) {
669
 
            case DRAG_RESIZE:
670
 
            case DRAG_NEW:
671
 
            case DRAG_DELETE:
672
 
                  song->endUndo(SC_EVENT_MODIFIED | SC_EVENT_INSERTED);
673
 
                  break;
674
 
 
675
 
            case DRAG_LASSO_START:
676
 
                  lasso.setRect(-1, -1, -1, -1);
677
 
 
678
 
            case DRAG_LASSO:
679
 
                  if (!shift)
680
 
                        deselectAll();
681
 
                  lasso = lasso.normalize();
682
 
                  for (iCEvent i = items.begin(); i != items.end(); ++i) {
683
 
#if 0
684
 
                        if ((*i)->intersects(lasso)) {
685
 
                              if (shift && (*i)->isSelected())
686
 
                                    deselectItem(*i);
687
 
                              else
688
 
                                    selectItem(*i);
689
 
                              }
690
 
#endif
691
 
                        }
692
 
                  drag = DRAG_OFF;
693
 
                  redraw();
694
 
                  break;
695
 
 
696
 
            default:
697
 
                  break;
698
 
            }
699
 
      drag = DRAG_OFF;
700
 
      }
701
 
 
702
 
//---------------------------------------------------------
703
 
//   changeVal
704
 
//---------------------------------------------------------
705
 
 
706
 
void CtrlCanvas::changeVal(int x1, int x2, int y)
707
 
      {
708
 
      int h   = height();
709
 
      int min = ctrl.minVal();
710
 
      int max = ctrl.maxVal();
711
 
 
712
 
      bool changed = false;
713
 
      int nval = (((h - y) *  (max-min)) / h) + min;
714
 
      if (nval > max)
715
 
            nval = max;
716
 
 
717
 
      for (ciCEvent i = items.begin(); i != items.end(); ++i) {
718
 
            if (!(*i)->contains(x1, x2))
719
 
                  continue;
720
 
 
721
 
            CEvent* ev       = *i;
722
 
            MidiEvent* event = ev->event();
723
 
            MidiPart* part   = ev->part();
724
 
            ev->setVal(nval);
725
 
            if (ctrl.type() == MidiController::Velo) {
726
 
                  if ((event->velo() != nval)) {
727
 
                        MidiEvent* newEvent = new MidiEvent(*event);
728
 
                        newEvent->setVelo(nval);
729
 
                        midiThread->msgChangeEvent(event, newEvent, part, false);
730
 
                        ev->setEvent(newEvent);
731
 
                        changed = true;
732
 
                        }
733
 
                  }
734
 
            else if (ctrl.type() == MidiController::Controller7) {
735
 
                  if (event) {
736
 
                        if ((event->cntrlVal() != nval)) {
737
 
                              MidiEvent* newEvent = new MidiEvent(*event);
738
 
                              newEvent->setB(nval);
739
 
                              midiThread->msgChangeEvent(event, newEvent, part, false);
740
 
                              ev->setEvent(newEvent);
741
 
                              changed = true;
742
 
                              }
743
 
                        }
744
 
                  else {
745
 
                        MidiPort* port = &midiPorts[curTrack->outPort()];
746
 
                        int channel = curTrack->outChannel();
747
 
                        int oval = port->iState(channel)->controller[ctrl.hnum()];
748
 
                        if (oval != nval) {
749
 
                              port->iState(channel)->controller[ctrl.hnum()] = nval;
750
 
                              changed = true;
751
 
                              }
752
 
                        }
753
 
                  }
754
 
            else if (ctrl.type() == MidiController::Pitch) {
755
 
                  if (event) {
756
 
                        if ((event->pitch() != nval)) {
757
 
                              MidiEvent* newEvent = new MidiEvent(
758
 
                                 event->posTick(), MidiEvent::Pitch, nval, 0, 0, 0);
759
 
                              midiThread->msgChangeEvent(event, newEvent, part, false);
760
 
                              ev->setEvent(newEvent);
761
 
                              changed = true;
762
 
                              }
763
 
                        }
764
 
                  else {
765
 
                        MidiPort* port = &midiPorts[curTrack->outPort()];
766
 
                        int channel = curTrack->outChannel();
767
 
                        int oval = port->iState(channel)->pitch;
768
 
                        if (oval != nval) {
769
 
                              port->iState(channel)->pitch = nval;
770
 
                              changed = true;
771
 
                              }
772
 
                        }
773
 
                  }
774
 
            }
775
 
      if (changed)
776
 
            redraw();
777
 
      }
778
 
 
779
 
//---------------------------------------------------------
780
 
//   newVal
781
 
//---------------------------------------------------------
782
 
 
783
 
void CtrlCanvas::newVal(int x1, int x2, int y)
784
 
      {
785
 
      int xx1 = editor->rasterVal1(x1);
786
 
      int xx2 = editor->rasterVal2(x2);
787
 
      int min = ctrl.minVal();
788
 
      int max = ctrl.maxVal();
789
 
 
790
 
      int h = height();
791
 
      int nval = (((h - y) *  (max-min)) / h) + min;
792
 
      if (nval > max)
793
 
            nval = max;
794
 
 
795
 
      bool found = false;
796
 
      bool song_changed = false;
797
 
      for (ciCEvent i = items.begin(); i != items.end(); ++i) {
798
 
            CEvent* ev = *i;
799
 
            int partTick = ev->part()->posTick();
800
 
            MidiEvent* event = ev->event();
801
 
            if (event == 0)
802
 
                  continue;
803
 
            int ax = event->posTick() + partTick;
804
 
            if (ax < xx1)
805
 
                  continue;
806
 
            if (ax >= xx2)
807
 
                  break;
808
 
            if (ax == xx1) {
809
 
                  // change event
810
 
                  found = true;
811
 
                  ev->setVal(nval);
812
 
                  switch(ctrl.type()) {
813
 
                        case MidiController::Controller7:
814
 
                              if ((event->cntrlVal() != nval)) {
815
 
                                    MidiEvent* newEvent = new MidiEvent(*event);
816
 
                                    newEvent->setB(nval);
817
 
                                    midiThread->msgChangeEvent(event, newEvent, ev->part(), false);
818
 
                                    ev->setEvent(newEvent);
819
 
                                    song_changed = true;
820
 
                                    }
821
 
                              break;
822
 
                        case MidiController::Pitch:
823
 
                              {
824
 
                              if (event->pitch() != nval) {
825
 
                                    MidiEvent* newEvent = new MidiEvent(
826
 
                                       xx1-partTick, MidiEvent::Pitch, nval, 0, 0, 0);
827
 
                                    midiThread->msgChangeEvent(event, newEvent, ev->part(), false);
828
 
                                    ev->setEvent(newEvent);
829
 
                                    song_changed = true;
830
 
                                    }
831
 
                              }
832
 
                              break;
833
 
                        default:
834
 
                              // TODO
835
 
                              break;
836
 
                        }
837
 
                  }
838
 
            else if (ax < xx2) {
839
 
                  // delete event
840
 
                  midiThread->msgDeleteEvent(event, ev->part(), false);
841
 
                  song_changed = true;
842
 
                  }
843
 
            }
844
 
      if (!found) {
845
 
            // new event
846
 
            MidiEvent* event = 0;
847
 
            int tick = xx1 - curPart->posTick();
848
 
 
849
 
            switch(ctrl.type()) {
850
 
                  case MidiController::Controller7:
851
 
                        event = new MidiEvent(
852
 
                           tick, MidiEvent::Ctrl7, ctrl.hnum(), nval, 0, 0);
853
 
                        break;
854
 
                  case MidiController::Controller14:
855
 
                        event = new MidiEvent(
856
 
                           tick, MidiEvent::Ctrl14, ctrl.hnum(), nval, ctrl.lnum(), 0);
857
 
                        break;
858
 
                  case MidiController::RPN:
859
 
                        event = new MidiEvent(
860
 
                           tick, MidiEvent::RPN, ctrl.hnum()*128+ctrl.lnum(), nval, 0, 0);
861
 
                        break;
862
 
                  case MidiController::NRPN:
863
 
                        event = new MidiEvent(
864
 
                           tick, MidiEvent::RPN, ctrl.hnum()*128+ctrl.lnum(), nval, 0, 0);
865
 
                        break;
866
 
                  case MidiController::XgSysex:
867
 
                  case MidiController::Sysex:
868
 
                        break;
869
 
                  case MidiController::Pitch:
870
 
                        event = new MidiEvent(
871
 
                           tick, MidiEvent::Pitch, nval, 0, 0, 0);
872
 
                        break;
873
 
                  case MidiController::Velo:
874
 
                        break;
875
 
                  }
876
 
            if (event) {
877
 
                  midiThread->msgAddEvent(event, curPart, false);
878
 
                  song_changed = true;
879
 
                  }
880
 
            }
881
 
      if (song_changed) {
882
 
            songChanged(0);
883
 
            return;
884
 
            }
885
 
      redraw();
886
 
      }
887
 
 
888
 
//---------------------------------------------------------
889
 
//   deleteVal
890
 
//---------------------------------------------------------
891
 
 
892
 
void CtrlCanvas::deleteVal(int x1, int x2, int)
893
 
      {
894
 
      int xx1 = editor->rasterVal1(x1);
895
 
      int xx2 = editor->rasterVal2(x2);
896
 
 
897
 
      int partTick = curPart->posTick();
898
 
      xx1 -= partTick;
899
 
      xx2 -= partTick;
900
 
 
901
 
      bool song_changed = false;
902
 
      for (ciCEvent i = items.begin(); i != items.end(); ++i) {
903
 
            CEvent* ev = *i;
904
 
            MidiEvent* event = ev->event();
905
 
            if (event == 0)
906
 
                  continue;
907
 
            int x = event->posTick();
908
 
            if (x < xx1)
909
 
                  continue;
910
 
            if (x >= xx2)
911
 
                  break;
912
 
            if (event) {
913
 
                  midiThread->msgDeleteEvent(event, ev->part(), false);
914
 
                  song_changed = true;
915
 
                  }
916
 
            }
917
 
      if (song_changed) {
918
 
            songChanged(0);
919
 
            return;
920
 
            }
921
 
      }
922
 
 
923
 
//---------------------------------------------------------
924
 
//   setTool
925
 
//---------------------------------------------------------
926
 
 
927
 
void CtrlCanvas::setTool(int t)
928
 
      {
929
 
      if (tool == Tool(t))
930
 
            return;
931
 
      tool = Tool(t);
932
 
      switch(tool) {
933
 
            case PencilTool:
934
 
                  setCursor(QCursor(*pencilIcon, 4, 15));
935
 
                  break;
936
 
            case DrawTool:
937
 
                  drawLineMode = false;
938
 
                  break;
939
 
            default:
940
 
                  setCursor(QCursor(arrowCursor));
941
 
                  break;
942
 
            }
943
 
      }
944
 
 
945
 
//---------------------------------------------------------
946
 
//   pdraw
947
 
//---------------------------------------------------------
948
 
 
949
 
void CtrlCanvas::pdraw(QPainter& p, const QRect& rect)
950
 
      {
951
 
      int x = rect.x() - 1;   // compensate for 3 pixel line width
952
 
      int y = rect.y();
953
 
      int w = rect.width() + 2;
954
 
      int h = rect.height();
955
 
 
956
 
      int wh = height();
957
 
 
958
 
      //---------------------------------------------------
959
 
      // draw Canvas Items
960
 
      //---------------------------------------------------
961
 
 
962
 
      if (ctrl.type() == MidiController::Velo) {
963
 
            p.setPen(blue);
964
 
            for (iCEvent i = items.begin(); i != items.end(); ++i) {
965
 
                  CEvent* e = *i;
966
 
                  int tick = mapx(e->event()->posTick() + e->part()->posTick());
967
 
                  if (tick <= x)
968
 
                        continue;
969
 
                  if (tick > x+w)
970
 
                        break;
971
 
                  int y1 = wh - (e->val() * wh / 128);
972
 
 
973
 
                  p.setPen(QPen(blue, 3));
974
 
                  p.drawLine(tick, wh, tick, y1);
975
 
                  }
976
 
            }
977
 
      else {
978
 
            int min  = ctrl.minVal();
979
 
            int max  = ctrl.maxVal();
980
 
            int x1   = rect.x();
981
 
            int lval = -1;
982
 
            for (iCEvent i = items.begin(); i != items.end(); ++i) {
983
 
                  CEvent* e = *i;
984
 
                  int tick = mapx(e->event() ? e->event()->posTick() + e->part()->posTick() : 0);
985
 
                  if (tick <= x) {
986
 
                        if (e->val() == -1)
987
 
                              lval = -1;
988
 
                        else
989
 
                              lval = wh - ((e->val() - min) * wh / (max - min));
990
 
                        continue;
991
 
                        }
992
 
                  if (tick > x+w)
993
 
                        break;
994
 
                  if (lval == -1)
995
 
                        p.fillRect(x1, 0, tick - x1, wh, gray);
996
 
                  else
997
 
                        p.fillRect(x1, lval, tick - x1, wh - lval, blue);
998
 
                  x1 = tick;
999
 
                  if (e->val() == -1)
1000
 
                        lval = -1;
1001
 
                  else
1002
 
                        lval = wh - ((e->val() - min) * wh / (max - min));
1003
 
                  }
1004
 
            if (lval == -1)
1005
 
                  p.fillRect(x1, 0, (x+w) - x1, wh, gray);
1006
 
            else
1007
 
                  p.fillRect(x1, lval, (x+w) - x1, wh - lval, blue);
1008
 
            }
1009
 
 
1010
 
      p.save();
1011
 
      View::pdraw(p, rect);
1012
 
      p.restore();
1013
 
 
1014
 
      //---------------------------------------------------
1015
 
      //    draw marker
1016
 
      //---------------------------------------------------
1017
 
 
1018
 
      int xp = mapx(pos[0]);
1019
 
      if (xp >= x && xp < x+w) {
1020
 
            p.setPen(red);
1021
 
            p.drawLine(xp, y, xp, y+h);
1022
 
            }
1023
 
      xp = mapx(pos[1]);
1024
 
      if (xp >= x && xp < x+w) {
1025
 
            p.setPen(blue);
1026
 
            p.drawLine(xp, y, xp, y+h);
1027
 
            }
1028
 
      xp = mapx(pos[2]);
1029
 
      if (xp >= x && xp < x+w) {
1030
 
            p.setPen(blue);
1031
 
            p.drawLine(xp, y, xp, y+h);
1032
 
            }
1033
 
 
1034
 
      //---------------------------------------------------
1035
 
      //    draw lasso
1036
 
      //---------------------------------------------------
1037
 
 
1038
 
      if (drag == DRAG_LASSO) {
1039
 
            setPainter(p);
1040
 
            p.setPen(blue);
1041
 
            p.setBrush(NoBrush);
1042
 
            p.drawRect(lasso);
1043
 
            }
1044
 
//      View::pdraw(p, rect);
1045
 
      }
1046
 
 
1047
 
//---------------------------------------------------------
1048
 
//   drawOverlay
1049
 
//---------------------------------------------------------
1050
 
 
1051
 
void CtrlCanvas::drawOverlay(QPainter& p)
1052
 
      {
1053
 
      QString s(ctrl.name());
1054
 
//printf("draw overlay %s\n", ctrl.name().latin1());
1055
 
      p.setFont(font3);
1056
 
      p.setPen(black);
1057
 
      QFontMetrics fm(font3);
1058
 
      int y = fm.lineSpacing() + 2;
1059
 
      p.drawText(2, y, s);
1060
 
      }
1061
 
 
1062
 
//---------------------------------------------------------
1063
 
//   overlayRect
1064
 
//    returns geometry of overlay rectangle
1065
 
//---------------------------------------------------------
1066
 
 
1067
 
QRect CtrlCanvas::overlayRect() const
1068
 
      {
1069
 
      QFontMetrics fm(font3);
1070
 
      QRect r(fm.boundingRect(ctrl.name()));
1071
 
      r.moveBy(2, 2);   // top/left margin
1072
 
      return r;
1073
 
      }
1074
 
 
1075
 
//---------------------------------------------------------
1076
 
//   draw
1077
 
//---------------------------------------------------------
1078
 
 
1079
 
void CtrlCanvas::draw(QPainter& p, const QRect& rect)
1080
 
      {
1081
 
      drawTickRaster(p, rect.x(), rect.y(),
1082
 
         rect.width(), rect.height(), editor->quant());
1083
 
 
1084
 
      //---------------------------------------------------
1085
 
      //    draw line tool
1086
 
      //---------------------------------------------------
1087
 
 
1088
 
      if (drawLineMode && (tool == DrawTool)) {
1089
 
            p.setPen(black);
1090
 
            p.drawLine(line1x, line1y, line2x, line2y);
1091
 
            }
1092
 
      }
1093