MuseScore/mscore/bendproperties.cpp
2013-02-07 13:10:46 +01:00

235 lines
7.1 KiB
C++

//=============================================================================
// MusE Score
// Linux Music Score Editor
// $Id:$
//
// Copyright (C) 2010-2011 Werner Schweer and others
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//=============================================================================
#include "bendproperties.h"
#include "libmscore/bend.h"
#include "bendcanvas.h"
#include "libmscore/score.h"
#include "libmscore/undo.h"
#include "libmscore/staff.h"
#include "libmscore/chord.h"
#include "libmscore/note.h"
//---------------------------------------------------------
// BendProperties
//---------------------------------------------------------
BendProperties::BendProperties(Bend* b, QWidget* parent)
: QDialog(parent)
{
setupUi(this);
setWindowFlags(this->windowFlags() & ~Qt::WindowContextHelpButtonHint);
bend = b;
bendCanvas->setPoints(bend->points());
bendTypes = new QButtonGroup(this);
bendTypes->addButton(bend1, 0);
bendTypes->addButton(bend2, 1);
bendTypes->addButton(bend3, 2);
bendTypes->addButton(bend4, 3);
bendTypes->addButton(bend5, 4);
bendTypes->setExclusive(true);
connect(bendTypes, SIGNAL(buttonClicked(int)), SLOT(bendTypeChanged(int)));
}
//---------------------------------------------------------
// points
//---------------------------------------------------------
const QList<PitchValue>& BendProperties::points() const
{
return bendCanvas->points();
}
//---------------------------------------------------------
// bendTypeChanged
//---------------------------------------------------------
void BendProperties::bendTypeChanged(int n)
{
QList<PitchValue>& points = bendCanvas->points();
points.clear();
switch(n) {
case 0:
points.append(PitchValue(0,0));
points.append(PitchValue(15,100));
points.append(PitchValue(60,100));
break;
case 1:
points.append(PitchValue(0,0));
points.append(PitchValue(10,100));
points.append(PitchValue(20,100));
points.append(PitchValue(30,0));
points.append(PitchValue(60,0));
break;
case 2:
points.append(PitchValue(0,0));
points.append(PitchValue(10,100));
points.append(PitchValue(20,100));
points.append(PitchValue(30,0));
points.append(PitchValue(40,0));
points.append(PitchValue(50,100));
points.append(PitchValue(60,100));
break;
case 3:
points.append(PitchValue(0,100));
points.append(PitchValue(60,100));
break;
case 4:
points.append(PitchValue(0,100));
points.append(PitchValue(15,100));
points.append(PitchValue(30,0));
points.append(PitchValue(60,0));
break;
}
update();
}
//---------------------------------------------------------
// BendCanvas
//---------------------------------------------------------
BendCanvas::BendCanvas(QWidget* parent)
: QFrame(parent)
{
}
//---------------------------------------------------------
// paintEvent
//---------------------------------------------------------
void BendCanvas::paintEvent(QPaintEvent* ev)
{
int w = width();
int h = height();
QPainter p(this);
p.fillRect(rect(), Qt::white);
static const int ROWS = 13;
static const int COLUMNS = 13;
int xs = w / (COLUMNS);
int ys = h / (ROWS);
int lm = xs / 2;
int tm = ys / 2;
int tw = (COLUMNS - 1) * xs;
int th = (ROWS - 1) * ys;
QPen pen = p.pen();
pen.setWidth(1);
for (int x = 0; x < COLUMNS; ++x) {
int xx = lm + x * xs;
pen.setColor(x % 3 ? Qt::gray : Qt::black);
p.setPen(pen);
p.drawLine(xx, tm, xx, tm + th);
}
for (int y = 0; y < ROWS; ++y) {
int yy = tm + y * ys;
pen.setColor(y % 4 ? Qt::gray : Qt::black);
p.setPen(pen);
p.drawLine(lm, yy, lm + tw, yy);
}
static const int GRIP = 10;
static const int GRIP2 = 5;
int x1 = 0;
int y1 = 0;
int idx = 0;
pen = p.pen();
pen.setWidth(5);
pen.setColor(Qt::gray);
p.setPen(pen);
foreach(const PitchValue& v, _points) {
int x = ((tw * v.time) / 60) + lm;
int y = th - ((th * v.pitch) / 300) + tm;
if (idx)
p.drawLine(x1, y1, x, y);
x1 = x;
y1 = y;
++idx;
}
foreach(const PitchValue& v, _points) {
int x = ((tw * v.time) / 60) + lm;
int y = th - ((th * v.pitch) / 300) + tm;
p.fillRect(x - GRIP2, y - GRIP2, GRIP, GRIP, Qt::blue);
}
QFrame::paintEvent(ev);
}
//---------------------------------------------------------
// mousePressEvent
//---------------------------------------------------------
void BendCanvas::mousePressEvent(QMouseEvent* ev)
{
static const int ROWS = 13;
static const int COLUMNS = 13;
int xs = width() / (COLUMNS);
int ys = height() / (ROWS);
int lm = xs / 2;
int tm = ys / 2;
// int tw = (COLUMNS - 1) * xs;
// int th = (ROWS - 1) * ys;
int x = ev->x() - lm;
int y = ev->y() - tm;
x = (x + xs/2) / xs;
y = (y + ys/2) / ys;
if (x >= COLUMNS)
x = COLUMNS - 1;
if (y >= ROWS)
y = ROWS - 1;
y = ROWS - y - 1;
int time = x * 5;
int pitch = y * 25;
int n = _points.size();
bool found = false;
for (int i = 0; i < n; ++i) {
if (_points[i].time > time) {
_points.insert(i, PitchValue(time, pitch, false));
found = true;
break;
}
if (_points[i].time == time) {
if (_points[i].pitch == pitch && i > 0 && i < (n-1)) {
_points.removeAt(i);
}
else {
_points[i].pitch = pitch;
}
found = true;
break;
}
}
if (!found)
_points.append(PitchValue(time, pitch, false));
update();
}