drumstick  2.1.0
pianokeybd.cpp
Go to the documentation of this file.
1 /*
2  Virtual Piano Widget for Qt5
3  Copyright (C) 2008-2021, Pedro Lopez-Cabanillas <plcl@users.sf.net>
4 
5  This program is free software; you can redistribute it and/or modify
6  it under the terms of the GNU General Public License as published by
7  the Free Software Foundation; either version 3 of the License, or
8  (at your option) any later version.
9 
10  This program is distributed in the hope that it will be useful,
11  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  GNU General Public License for more details.
14 
15  You should have received a copy of the GNU General Public License along
16  with this program; If not, see <http://www.gnu.org/licenses/>.
17 */
18 
19 #include <QApplication>
20 #include <drumstick/pianokeybd.h>
21 #include "pianoscene.h"
22 
34 namespace drumstick { namespace widgets {
35 
40  {Qt::Key_Z, 12},
41  {Qt::Key_S, 13},
42  {Qt::Key_X, 14},
43  {Qt::Key_D, 15},
44  {Qt::Key_C, 16},
45  {Qt::Key_V, 17},
46  {Qt::Key_G, 18},
47  {Qt::Key_B, 19},
48  {Qt::Key_H, 20},
49  {Qt::Key_N, 21},
50  {Qt::Key_J, 22},
51  {Qt::Key_M, 23},
52  {Qt::Key_Q, 24},
53  {Qt::Key_2, 25},
54  {Qt::Key_W, 26},
55  {Qt::Key_3, 27},
56  {Qt::Key_E, 28},
57  {Qt::Key_R, 29},
58  {Qt::Key_5, 30},
59  {Qt::Key_T, 31},
60  {Qt::Key_6, 32},
61  {Qt::Key_Y, 33},
62  {Qt::Key_7, 34},
63  {Qt::Key_U, 35},
64  {Qt::Key_I, 36},
65  {Qt::Key_9, 37},
66  {Qt::Key_O, 38},
67  {Qt::Key_0, 39},
68  {Qt::Key_P, 40}
69 };
70 
75 #if defined(Q_OS_LINUX)
76  {94, 11},
77  {52, 12},
78  {39, 13},
79  {53, 14},
80  {40, 15},
81  {54, 16},
82  {55, 17},
83  {42, 18},
84  {56, 19},
85  {43, 20},
86  {57, 21},
87  {44, 22},
88  {58, 23},
89  {59, 24},
90  {46, 25},
91  {60, 26},
92  {47, 27},
93  {61, 28},
94 
95  {24, 29},
96  {11, 30},
97  {25, 31},
98  {12, 32},
99  {26, 33},
100  {13, 34},
101  {27, 35},
102  {28, 36},
103  {15, 37},
104  {29, 38},
105  {16, 39},
106  {30, 40},
107  {31, 41},
108  {18, 42},
109  {32, 43},
110  {19, 44},
111  {33, 45},
112  {20, 46},
113  {34, 47},
114  {35, 48}
115 #endif
116 
117 #if defined(Q_OS_WIN)
118  {86, 11},
119  {44, 12},
120  {31, 13},
121  {45, 14},
122  {32, 15},
123  {46, 16},
124  {47, 17},
125  {34, 18},
126  {48, 19},
127  {35, 20},
128  {49, 21},
129  {36, 22},
130  {50, 23},
131  {51, 24},
132  {38, 25},
133  {52, 26},
134  {39, 27},
135  {53, 28},
136 
137  {16, 29},
138  {3, 30},
139  {17, 31},
140  {4, 32},
141  {18, 33},
142  {5, 34},
143  {19, 35},
144  {20, 36},
145  {7, 37},
146  {21, 38},
147  {8, 39},
148  {22, 40},
149  {23, 41},
150  {10, 42},
151  {24, 43},
152  {11, 44},
153  {25, 45},
154  {12, 46},
155  {26, 47},
156  {27, 48}
157 #endif
158 
159 #if defined(Q_OS_MAC)
160  {50, 11},
161  {6, 12},
162  {1, 13},
163  {7, 14},
164  {2, 15},
165  {8, 16},
166  {9, 17},
167  {5, 18},
168  {11, 19},
169  {4, 20},
170  {45, 21},
171  {38, 22},
172  {46, 23},
173  {43, 24},
174  {37, 25},
175  {47, 26},
176  {41, 27},
177  {44, 28},
178 
179  {12, 29},
180  {19, 30},
181  {13, 31},
182  {20, 32},
183  {14, 33},
184  {21, 34},
185  {15, 35},
186  {17, 36},
187  {22, 37},
188  {16, 38},
189  {26, 39},
190  {32, 40},
191  {34, 41},
192  {25, 42},
193  {31, 43},
194  {29, 44},
195  {35, 45},
196  {27, 46},
197  {33, 47},
198  {30, 48}
199 #endif
200 };
201 
202 class PianoKeybd::PianoKeybdPrivate {
203 public:
204  PianoKeybdPrivate(): m_rotation(0), m_scene(nullptr), m_rawMap(nullptr)
205  { }
206  ~PianoKeybdPrivate() = default;
207 
208  int m_rotation;
209  PianoScene *m_scene;
210  KeyboardMap *m_rawMap;
211 };
212 
220 PianoKeybd::PianoKeybd(QWidget *parent)
221  : QGraphicsView(parent), d(new PianoKeybdPrivate())
222 {
223  initialize();
225 }
226 
235 PianoKeybd::PianoKeybd(const int baseOctave, const int numKeys, const int startKey, QWidget *parent)
236  : QGraphicsView(parent), d(new PianoKeybdPrivate)
237 {
238  initialize();
239  initScene(baseOctave, numKeys, startKey);
240 }
241 
246 {
247  d->m_scene->setRawKeyboardMode(false);
248  setKeyboardMap(nullptr);
249 }
250 
259 {
260  return d->m_scene->getPianoHandler();
261 }
262 
272 {
273  d->m_scene->setPianoHandler(handler);
274 }
275 
281 {
282  return d->m_scene->getHighlightPalette();
283 }
284 
292 {
293  d->m_scene->setHighlightPalette(p);
294 }
295 
301 {
302  return d->m_scene->getBackgroundPalette();
303 }
304 
310 {
311  d->m_scene->setBackgroundPalette(p);
312 }
313 
320 {
321  return d->m_scene->getForegroundPalette();
322 }
323 
330 {
331  d->m_scene->setForegroundPalette(p);
332 }
333 
339 {
340  return d->m_scene->showColorScale();
341 }
342 
347 void PianoKeybd::setShowColorScale(const bool show)
348 {
349  d->m_scene->setShowColorScale(show);
350 }
351 
361 void PianoKeybd::useCustomNoteNames(const QStringList &names)
362 {
363  d->m_scene->useCustomNoteNames(names);
364 }
365 
371 {
372  d->m_scene->useStandardNoteNames();
373 }
374 
379 QStringList PianoKeybd::customNoteNames() const
380 {
381  return d->m_scene->customNoteNames();
382 }
383 
388 QStringList PianoKeybd::standardNoteNames() const
389 {
390  return d->m_scene->standardNoteNames();
391 }
392 
399 {
400  d->m_scene->retranslate();
401 }
402 
410 void PianoKeybd::initScene(int base, int num, int strt, const QColor& c)
411 {
412  d->m_scene = new PianoScene(base, num, strt, c, this);
413  d->m_scene->setKeyboardMap(&g_DefaultKeyMap);
414  connect(d->m_scene, &PianoScene::noteOn, this, &PianoKeybd::noteOn);
415  connect(d->m_scene, &PianoScene::noteOff, this, &PianoKeybd::noteOff);
416  connect(d->m_scene, &PianoScene::signalName, this, &PianoKeybd::signalName);
417  setScene(d->m_scene);
418 }
419 
425 {
426  setAttribute(Qt::WA_AcceptTouchEvents);
427  setAttribute(Qt::WA_InputMethodEnabled, false);
428  setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
429  setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
430  setCacheMode(CacheBackground);
431  setViewportUpdateMode(MinimalViewportUpdate);
432  setRenderHints(QPainter::Antialiasing|QPainter::TextAntialiasing|QPainter::SmoothPixmapTransform);
433  setOptimizationFlag(DontClipPainter, true);
434  setOptimizationFlag(DontSavePainterState, true);
435  setOptimizationFlag(DontAdjustForAntialiasing, true);
436  setBackgroundBrush(QApplication::palette().window());
438 }
439 
445 void PianoKeybd::resizeEvent(QResizeEvent *event)
446 {
447  QGraphicsView::resizeEvent(event);
448  fitInView(d->m_scene->sceneRect(), Qt::KeepAspectRatio);
449 }
450 
457 void PianoKeybd::setNumKeys(const int numKeys, const int startKey)
458 {
459  //qDebug() << Q_FUNC_INFO << numKeys << startKey;
460  if ( numKeys != d->m_scene->numKeys() || startKey != d->m_scene->startKey() )
461  {
462  QByteArray dataBuffer;
463  int baseOctave = d->m_scene->baseOctave();
464  QColor color = d->m_scene->getKeyPressedColor();
465  PianoHandler* handler = d->m_scene->getPianoHandler();
466  KeyboardMap* keyMap = d->m_scene->getKeyboardMap();
467  d->m_scene->saveData(dataBuffer);
468  delete d->m_scene;
469  initScene(baseOctave, numKeys, startKey, color);
470  d->m_scene->loadData(dataBuffer);
471  d->m_scene->setPianoHandler(handler);
472  d->m_scene->setKeyboardMap(keyMap);
473  d->m_scene->hideOrShowKeys();
474  d->m_scene->refreshKeys();
475  d->m_scene->refreshLabels();
476  fitInView(d->m_scene->sceneRect(), Qt::KeepAspectRatio);
477  }
478 }
479 
485 {
486  if (r != d->m_rotation) {
487  d->m_rotation = r;
488  resetTransform();
489  rotate(d->m_rotation);
490  fitInView(d->m_scene->sceneRect(), Qt::KeepAspectRatio);
491  }
492 }
493 
498 QSize PianoKeybd::sizeHint() const
499 {
500  return mapFromScene(sceneRect()).boundingRect().size();
501 }
502 
503 // RAWKBD_SUPPORT
505 {
506  if (d->m_scene->isKeyboardEnabled() && d->m_rawMap != nullptr && d->m_rawMap->contains(keycode)) {
507  d->m_scene->keyOn(d->m_rawMap->value(keycode));
508  return true;
509  }
510  return false;
511 }
512 
514 {
515  if (d->m_scene->isKeyboardEnabled() && d->m_rawMap != nullptr && d->m_rawMap->contains(keycode)) {
516  d->m_scene->keyOff(d->m_rawMap->value(keycode));
517  return true;
518  }
519  return false;
520 }
521 
528 void PianoKeybd::setKeyPicture(const bool natural, const QPixmap &pix)
529 {
530  d->m_scene->setKeyPicture(natural, pix);
531 }
532 
538 QPixmap PianoKeybd::getKeyPicture(const bool natural)
539 {
540  return d->m_scene->getKeyPicture(natural);
541 }
542 
547 void PianoKeybd::setUseKeyPictures(const bool enable)
548 {
549  d->m_scene->setUseKeyPictures(enable);
550 }
551 
557 {
558  return d->m_scene->getUseKeyPictures();
559 }
560 
566 int PianoKeybd::baseOctave() const
567 {
568  return d->m_scene->baseOctave();
569 }
570 
575 void PianoKeybd::setBaseOctave(const int baseOctave)
576 {
577  d->m_scene->setBaseOctave(baseOctave);
578 }
579 
585 int PianoKeybd::numKeys() const
586 {
587  return d->m_scene->numKeys();
588 }
589 
595 {
596  return d->m_scene->startKey();
597 }
598 
604 {
605  return d->m_rotation;
606 }
607 
613 {
614  return d->m_scene->getKeyPressedColor();
615 }
616 
623 void PianoKeybd::setKeyPressedColor(const QColor& c)
624 {
625  d->m_scene->setKeyPressedColor(c);
626 }
627 
632 {
633  d->m_scene->resetKeyPressedColor();
634 }
635 
641 LabelVisibility PianoKeybd::showLabels() const
642 {
643  return d->m_scene->showLabels();
644 }
645 
652 {
653  d->m_scene->setShowLabels(show);
654 }
655 
662 {
663  return d->m_scene->alterations();
664 }
665 
672 {
673  d->m_scene->setAlterations(use);
674 }
675 
681 LabelOrientation PianoKeybd::labelOrientation() const
682 {
683  return d->m_scene->getOrientation();
684 }
685 
692 {
693  d->m_scene->setOrientation(orientation);
694 }
695 
701 LabelCentralOctave PianoKeybd::labelOctave() const
702 {
703  return d->m_scene->getOctave();
704 }
705 
712 {
713  d->m_scene->setOctave(octave);
714 }
715 
722 {
723  return d->m_scene->getTranspose();
724 }
725 
732 {
733  d->m_scene->setTranspose(t);
734 }
735 
741 {
742  return d->m_scene->getChannel();
743 }
744 
749 void PianoKeybd::setChannel(const int c)
750 {
751  d->m_scene->setChannel(c);
752 }
753 
760 {
761  return d->m_scene->getVelocity();
762 }
763 
769 void PianoKeybd::setVelocity(const int v)
770 {
771  d->m_scene->setVelocity(v);
772 }
773 
779 {
780  return d->m_scene->isKeyboardEnabled();
781 }
782 
787 void PianoKeybd::setKeyboardEnabled(const bool enable)
788 {
789  d->m_scene->setKeyboardEnabled(enable);
790 }
791 
797 {
798  return d->m_scene->isMouseEnabled();
799 }
800 
805 void PianoKeybd::setMouseEnabled(const bool enable)
806 {
807  d->m_scene->setMouseEnabled(enable);
808 }
809 
815 {
816  return d->m_scene->isTouchEnabled();
817 }
818 
823 void PianoKeybd::setTouchEnabled(const bool enable)
824 {
825  d->m_scene->setTouchEnabled(enable);
826 }
827 
833 {
834  return d->m_scene->velocityTint();
835 }
836 
841 void PianoKeybd::setVelocityTint(const bool enable)
842 {
843  //qDebug() << Q_FUNC_INFO << enable;
844  d->m_scene->setVelocityTint(enable);
845 }
846 
851 {
852  d->m_scene->allKeysOff();
853 }
854 
860 {
861  d->m_scene->setKeyboardMap(m);
862 }
863 
869 {
870  return d->m_scene->getKeyboardMap();
871 }
872 
877 {
878  d->m_rawMap = &g_DefaultRawKeyMap;
879 }
880 
886 {
887  return d->m_scene->getRawKeyboardMode();
888 }
889 
895 {
896  d->m_scene->setRawKeyboardMode(b);
897 }
898 
903 {
904  d->m_scene->setKeyboardMap(&g_DefaultKeyMap);
905 }
906 
912 {
913  d->m_rawMap = m;
914 }
915 
921 {
922  return d->m_rawMap;
923 }
924 
931 void PianoKeybd::showNoteOn(const int note, QColor color, int vel)
932 {
933  d->m_scene->showNoteOn(note, color, vel);
934 }
935 
941 void PianoKeybd::showNoteOn(const int note, int vel)
942 {
943  d->m_scene->showNoteOn(note, vel);
944 }
945 
951 void PianoKeybd::showNoteOff(const int note, int vel)
952 {
953  d->m_scene->showNoteOff(note, vel);
954 }
955 
960 void PianoKeybd::setFont(const QFont &font)
961 {
962  QWidget::setFont(font);
963  d->m_scene->setFont(font);
964  d->m_scene->refreshLabels();
965 }
966 
967 } // namespace widgets
968 } // namespace drumstick
The QGraphicsView class provides a widget for displaying the contents of a QGraphicsScene.
The PianoHandler class callbacks.
Definition: pianokeybd.h:72
void initScene(int base, int num, int ini, const QColor &c=QColor())
Creates and initializes a new PianoScene instance and assigns it to this widget.
Definition: pianokeybd.cpp:410
void allKeysOff()
Forces all active notes to silence.
Definition: pianokeybd.cpp:850
virtual ~PianoKeybd()
Destructor.
Definition: pianokeybd.cpp:245
void resetKeyPressedColor()
Assigns the default highlight palette colors and assigns it to the scene.
Definition: pianokeybd.cpp:631
bool handleKeyReleased(int keycode) override
handleKeyReleased handles low level computer keyboard reelase events
Definition: pianokeybd.cpp:513
void setNumKeys(const int numKeys, const int startKey=DEFAULTSTARTINGKEY)
This method changes the number of displayed keys and the starting key number, keeping the other setti...
Definition: pianokeybd.cpp:457
PianoKeybd(QWidget *parent=nullptr)
Constructor.
Definition: pianokeybd.cpp:220
void setBackgroundPalette(const PianoPalette &p)
Assigns the palette used to paint the keys' background.
Definition: pianokeybd.cpp:309
void setRawKeyboardMode(const bool b)
Enables or disables the low level computer keyboard mode.
Definition: pianokeybd.cpp:894
void setFont(const QFont &font)
Assigns a typographic font for drawing the note labels over the piano keys.
Definition: pianokeybd.cpp:960
void initialize()
This method is called from the available constructors to initialize some widget attributes,...
Definition: pianokeybd.cpp:424
QSize sizeHint() const override
Overrides QGraphicsView::sizeHint() providing a size value based on the piano scene.
Definition: pianokeybd.cpp:498
void useStandardNoteNames()
Disables the custom note names usage as labels over the keys, and restores the standard note names in...
Definition: pianokeybd.cpp:370
bool isKeyboardEnabled() const
Returns whether the computer keyboard is enabled.
Definition: pianokeybd.cpp:778
void resetKeyboardMap()
Resets the low level computer keyboard note map to the default one.
Definition: pianokeybd.cpp:902
void setKeyPressedColor(const QColor &c)
Assigns a single color for key highlight.
Definition: pianokeybd.cpp:623
void setChannel(const int c)
Assigns the MIDI Channel (0-15).
Definition: pianokeybd.cpp:749
PianoPalette getForegroundPalette() const
Returns the palette used to paint texts over the keys like the note names or custom labels.
Definition: pianokeybd.cpp:319
bool getUseKeyPictures() const
Returns whether pictures are used to paint the keys.
Definition: pianokeybd.cpp:556
void setHighlightPalette(const PianoPalette &p)
Assigns the palette used for highlighting the played keys.
Definition: pianokeybd.cpp:291
void setShowColorScale(const bool show)
Enables or disables the color scale background palette.
Definition: pianokeybd.cpp:347
void setPianoHandler(PianoHandler *handler)
Assigns a PianoHandler pointer for processing note events.
Definition: pianokeybd.cpp:271
void setLabelOctave(const LabelCentralOctave octave)
Assigns the octave label policy.
Definition: pianokeybd.cpp:711
bool showColorScale() const
Returns true if the color scale background palette is assigned and active.
Definition: pianokeybd.cpp:338
void signalName(const QString &name)
signalName is emitted for each note created, and contains a string with the MIDI note number and the ...
void setKeyboardEnabled(const bool enable)
Enables or disables the computer keyboard note input.
Definition: pianokeybd.cpp:787
KeyboardMap * getRawKeyboardMap()
Returns the low level computer keyboard note map.
Definition: pianokeybd.cpp:920
PianoPalette getBackgroundPalette() const
Returns the palette used to paint the keys' background.
Definition: pianokeybd.cpp:300
void setRawKeyboardMap(KeyboardMap *m)
Assigns the low level computer keyboard note map.
Definition: pianokeybd.cpp:911
int getChannel() const
Returns the MIDI Channel (0-15).
Definition: pianokeybd.cpp:740
void setBaseOctave(const int baseOctave)
Assigns the base octave number.
Definition: pianokeybd.cpp:575
void setForegroundPalette(const PianoPalette &p)
Assigns the palette used to paint texts over the keys like the note names or custom labels.
Definition: pianokeybd.cpp:329
void setVelocityTint(const bool enable)
Enables or disables the note MIDI velocity influencing the highlight color tint.
Definition: pianokeybd.cpp:841
void setLabelAlterations(const LabelAlteration use)
Assigns the label alterations policy.
Definition: pianokeybd.cpp:671
void setKeyPicture(const bool natural, const QPixmap &pix)
Assigns a custom picture to the white or black keys that will be used as a texture to paint the keys.
Definition: pianokeybd.cpp:528
bool velocityTint() const
Returns whether the note MIDI velocity influences the highlight color tint.
Definition: pianokeybd.cpp:832
QColor getKeyPressedColor() const
Returns the key highlight color.
Definition: pianokeybd.cpp:612
void resizeEvent(QResizeEvent *event) override
This method overrides QGraphicsView::resizeEvent() to keep the aspect ratio of the keys scene when th...
Definition: pianokeybd.cpp:445
void noteOff(int midiNote, int vel)
This signal is emitted for each Note Off MIDI event created using the computer keyboard,...
bool handleKeyPressed(int keycode) override
handleKeyPressed handles low level computer keyboard press events
Definition: pianokeybd.cpp:504
void setKeyboardMap(KeyboardMap *m)
Assigns the computer keyboard note map.
Definition: pianokeybd.cpp:859
void showNoteOff(const int note, int vel=-1)
Shows inactive one note key with the specified velocity.
Definition: pianokeybd.cpp:951
void setShowLabels(const LabelVisibility show)
Assigns the label visibility policy.
Definition: pianokeybd.cpp:651
LabelAlteration labelAlterations() const
Returns the label alterations policy.
Definition: pianokeybd.cpp:661
PianoPalette getHighlightPalette() const
Returns the palette used for highlighting the played keys.
Definition: pianokeybd.cpp:280
QStringList standardNoteNames() const
Returns the list of standard note names.
Definition: pianokeybd.cpp:388
void noteOn(int midiNote, int vel)
This signal is emitted for each Note On MIDI event created using the computer keyboard,...
void resetRawKeyboardMap()
Resets the computer keyboard note map to the default one.
Definition: pianokeybd.cpp:876
PianoHandler * getPianoHandler() const
Gets the PianoHandler pointer to the note receiver.
Definition: pianokeybd.cpp:258
void setLabelOrientation(const LabelOrientation orientation)
Assigns the labels orientation policy.
Definition: pianokeybd.cpp:691
bool isMouseEnabled() const
Returns whether the mouse note input is enabled.
Definition: pianokeybd.cpp:796
bool getRawKeyboardMode() const
Returns the low level computer keyboard note map.
Definition: pianokeybd.cpp:885
void showNoteOn(const int note, QColor color, int vel=-1)
Highlights one note key with the specified color and velocity.
Definition: pianokeybd.cpp:931
void setRotation(int r)
Rotates the keyboard view an angle clockwise.
Definition: pianokeybd.cpp:484
QPixmap getKeyPicture(const bool natural)
Returns the custom picture used to paint the corresponding keys.
Definition: pianokeybd.cpp:538
void retranslate()
Updates the standard names of notes according to the currently active program language translation.
Definition: pianokeybd.cpp:398
int startKey() const
Returns the starting key note: C=0, A=9 and so on.
Definition: pianokeybd.cpp:594
void setTouchEnabled(const bool enable)
Enables or disables the touch screen note input.
Definition: pianokeybd.cpp:823
void useCustomNoteNames(const QStringList &names)
Assigns a list of custom text labels to be displayer over the keys.
Definition: pianokeybd.cpp:361
void setMouseEnabled(const bool enable)
Enables or disables the mouse note input.
Definition: pianokeybd.cpp:805
KeyboardMap * getKeyboardMap()
Returns the computer keyboard note map.
Definition: pianokeybd.cpp:868
void setUseKeyPictures(const bool enable)
Enables or disables a picture to paint the keys.
Definition: pianokeybd.cpp:547
int getRotation() const
Returns the rotation angle in degrees, clockwise, of the piano view.
Definition: pianokeybd.cpp:603
void setTranspose(int t)
Assigns the transpose amount in semitones.
Definition: pianokeybd.cpp:731
QStringList customNoteNames() const
Returns the list of custom note names.
Definition: pianokeybd.cpp:379
int getVelocity() const
Returns the MIDI note velocity.
Definition: pianokeybd.cpp:759
void setVelocity(const int v)
Assigns the MIDI note velocity.
Definition: pianokeybd.cpp:769
bool isTouchEnabled() const
Returns whether the touch screen note input is enabled.
Definition: pianokeybd.cpp:814
int getTranspose() const
Returns the transpose amount in semitones.
Definition: pianokeybd.cpp:721
The PianoPalette class.
Definition: pianopalette.h:61
The PianoScene class is a QGraphicsScene composed by a number of graphics items: the piano keys.
Definition: pianoscene.h:46
void noteOff(int n, int v)
This signal is emitted for each Note Off MIDI event created using the computer keyboard,...
void signalName(const QString &name)
signalName is emitted for each note created, and contains a string with the MIDI note number and the ...
void noteOn(int n, int v)
This signal is emitted for each Note On MIDI event created using the computer keyboard,...
LabelAlteration
Labels for Alterations.
Definition: pianokeybd.h:118
DRUMSTICK_EXPORT KeyboardMap g_DefaultKeyMap
Global Key Map Variable.
Definition: pianokeybd.cpp:39
LabelCentralOctave
Labels Central Octave.
Definition: pianokeybd.h:145
LabelVisibility
Labels Visibility.
Definition: pianokeybd.h:108
const int DEFAULTNUMBEROFKEYS
Default number of piano keys.
Definition: pianokeybd.h:103
LabelOrientation
Labels Orientation.
Definition: pianokeybd.h:127
const int DEFAULTSTARTINGKEY
Default starting key (A)
Definition: pianokeybd.h:101
QHash< int, int > KeyboardMap
KeyboardMap.
Definition: pianokeybd.h:96
DRUMSTICK_EXPORT KeyboardMap g_DefaultRawKeyMap
Global Raw Key Map Variable.
Definition: pianokeybd.cpp:74
const int DEFAULTBASEOCTAVE
Default base octave.
Definition: pianokeybd.h:102
Drumstick common.
Definition: alsaclient.cpp:68
Piano Keyboard Widget.
PianoScene class declaration.