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/**************************************************************************
channel.cpp - The KMidChannel widget (with pure virtual members)
Copyright (C) 1998 Antonio Larrosa Jimenez
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
Send comments and bug fixes to larrosa@kde.org
or to Antonio Larrosa, Rio Arnoya, 10 5B, 29006 Malaga, Spain
***************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <qpainter.h>
#include <qcombobox.h>
#include <kglobal.h>
#include <kinstance.h>
#include <kconfig.h>
#include <klocale.h>
#include <kstandarddirs.h>
#include "kmidbutton.h"
#include "channel.h"
#include "instrname.h"
#include <kiconloader.h>
KMidChannel::KMidChannel(int chn,QWidget *parent) : QWidget (parent)
{
channel=chn;
replay=TRUE;
int i;
for (i=0;i<128;i++) pressed[i]=0;
keyboard = QPixmap(locate("appdata","icons/keyboard.xpm"));
penB = new QPen (black);
penW = new QPen (white);
penT = new QPen (colorGroup().background());
KConfig *kcfg=KGlobal::instance()->config();
kcfg->setGroup("KMid");
QFont *qtextfontdefault=new QFont("lucida",18,QFont::Bold,TRUE);
qcvfont=new QFont(kcfg->readFontEntry("ChannelViewFont",qtextfontdefault));
delete qtextfontdefault;
instrumentCombo = new QComboBox(FALSE,this,"instr");
instrumentCombo->setGeometry(160,2,200,20);
for (i=0;i<128;i++)
instrumentCombo->insertItem(i18n(instrumentName[i]),i);
connect(instrumentCombo,SIGNAL(activated(int)),this,SLOT(pgmChanged(int)));
forcepgm=new KMidButton(this,"forcepgm");
forcepgm->setGeometry(135,4,16,16);
forcepgm->setToggleButton(TRUE);
button1 = QPixmap(locate("appdata","icons/button1.xpm"));
button2 = QPixmap(locate("appdata","icons/button2.xpm"));
forcepgm->setPixmaps(button1,button2);
forcepgm->show();
connect(forcepgm,SIGNAL(toggled(bool)),this,SLOT(changeForcedState(bool)));
}
KMidChannel::~KMidChannel()
{
delete penB;
delete penW;
delete penT;
}
void KMidChannel::paintEvent( QPaintEvent * )
{
QPainter *qpaint=new QPainter(this);
QString tmp = i18n("Channel %1").arg(channel);
qpaint->setFont(*qcvfont);
qpaint->setPen(*penB);
qpaint->drawText(2,20,tmp);
qpaint->setPen(*penW);
qpaint->drawText(0,18,tmp);
drawKeyboard(qpaint);
drawPressedKeys(qpaint);
delete qpaint;
}
void KMidChannel::drawKeyboard(QPainter *qpaint)
{
int x=1;
for (int i=0;(i<12) && (x<width());i++,x+=63)
{
qpaint->drawPixmap(x,KEYBOARDY,keyboard);
};
qpaint->setPen(*penB);
qpaint->drawLine(0,KEYBOARDY,0,KEYBOARDY+44);
qpaint->setPen(*penT);
qpaint->drawLine(0,KEYBOARDY+45,x+63,KEYBOARDY+45);
}
void KMidChannel::drawPressedKeys(QPainter *qpaint)
{
for (int i=0;i<128;i++)
if (pressed[i]) drawKey(qpaint,i);
}
void KMidChannel::drawKey(QPainter *qpaint,int key)
{
int octave=key/12;
int note=key%12;
int x=octave*63+1;
switch (note)
{
case (0) : drawDo (qpaint,x,pressed[key]);break;
case (1) : drawDo__ (qpaint,x,pressed[key]);break;
case (2) : drawRe (qpaint,x,pressed[key]);break;
case (3) : drawRe__ (qpaint,x,pressed[key]);break;
case (4) : drawMi (qpaint,x,pressed[key]);break;
case (5) : drawFa (qpaint,x,pressed[key]);break;
case (6) : drawFa__ (qpaint,x,pressed[key]);break;
case (7) : drawSol (qpaint,x,pressed[key]);break;
case (8) : drawSol__(qpaint,x,pressed[key]);break;
case (9) : drawLa (qpaint,x,pressed[key]);break;
case (10) : drawLa__ (qpaint,x,pressed[key]);break;
case (11) : drawSi (qpaint,x,pressed[key]);break;
};
// qpaint->flush();
}
void KMidChannel::noteOn(int key)
{
pressed[key]=1;
QPainter *qpaint=new QPainter(this);
drawKey(qpaint,key);
delete qpaint;
}
void KMidChannel::noteOff(int key)
{
pressed[key]=0;
QPainter *qpaint=new QPainter(this);
drawKey(qpaint,key);
delete qpaint;
}
void KMidChannel::changeInstrument(int pgm)
{
instrumentCombo->setCurrentItem(pgm);
}
void KMidChannel::changeForceState(bool i)
{
replay=FALSE;
forcepgm->setOn(i);
replay=TRUE;
}
void KMidChannel::reset(int level)
{
for (int i=0;i<128;i++) pressed[i]=0;
if (level>=1)
{
instrumentCombo->setCurrentItem(0);
replay=FALSE;
forcepgm->setOn(FALSE);
replay=TRUE;
};
repaint(FALSE);
}
void KMidChannel::saveState(bool *p,int *pgm)
{
for (int i=0;i<128;i++) p[i]=pressed[i];
*pgm=instrumentCombo->currentItem();
}
void KMidChannel::loadState(bool *p,int *pgm)
{
for (int i=0;i<128;i++) pressed[i]=p[i];
instrumentCombo->setCurrentItem(*pgm);
repaint(FALSE);
}
void KMidChannel::pgmChanged(int i)
{
int data[4];
data[0]=CHN_CHANGE_PGM;
data[1]=channel;
data[2]=i;
data[3]=0;
replay=FALSE;
forcepgm->setOn(TRUE);
replay=TRUE;
emit signalToKMidClient(data);
}
void KMidChannel::changeForcedState(bool i)
{
int data[4];
data[0]=CHN_CHANGE_FORCED_STATE;
data[1]=channel;
data[2]=i;
data[3]=(replay)? 1 : 0;
emit signalToKMidClient(data);
}
#include "channel.moc"
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