diff options
Diffstat (limited to 'kmid/channel.cpp')
| -rw-r--r-- | kmid/channel.cpp | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/kmid/channel.cpp b/kmid/channel.cpp new file mode 100644 index 00000000..14dd95a9 --- /dev/null +++ b/kmid/channel.cpp @@ -0,0 +1,233 @@ +/************************************************************************** + + 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" |