Diffstat (limited to 'noncore/multimedia/powerchord/fretboard.cpp') (more/less context) (show whitespace changes)
| -rw-r--r-- | noncore/multimedia/powerchord/fretboard.cpp | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/noncore/multimedia/powerchord/fretboard.cpp b/noncore/multimedia/powerchord/fretboard.cpp new file mode 100644 index 0000000..0687d00 --- a/dev/null +++ b/noncore/multimedia/powerchord/fretboard.cpp @@ -0,0 +1,234 @@ +// +// FretBoard class to display interface for chord finder application +// + +// Copyright (c) 2001 Camilo Mesias +// camilo@mesias.co.uk +// +// 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. + +//#include <FL/Fl.H> +//#include <FL/Fl_Widget.H> +//#include <FL/fl_draw.H> +#include <stdio.h> +#include <qpixmap.h> +#include <qpe/resource.h> +#include "fretboard.h" +#include <qpainter.h> + +void FretBoard::refresh(){ + ce.calculate(); + + emit nameChanged(QString(ce.label())); + + for (int i=0;i<6;i++){ + Finger(i, ce.finger(i)); + // yuk + switch (i) { + case 0: + emit s1nameChanged(QString(ce.name(i))); + break; + case 1: + emit s2nameChanged(QString(ce.name(i))); + break; + case 2: + emit s3nameChanged(QString(ce.name(i))); + break; + case 3: + emit s4nameChanged(QString(ce.name(i))); + break; + case 4: + emit s5nameChanged(QString(ce.name(i))); + break; + case 5: + emit s6nameChanged(QString(ce.name(i))); + break; + } + } + + update(); +} + +FretBoard::FretBoard(QWidget *parent, const char *name ) + : QWidget( parent, name ), ce() +{ + + ce.base(9); + ce.chord(0); + ce.fret(0); + ce.span(1); + ce.vary(7); + ce.tune(0); + refresh(); + + // setPalette( QPalette( QColor( 250, 250, 200) ) ); + + stringtop_pix = Resource::loadPixmap( "powerchord/stringtop_s"); + string_pix = Resource::loadPixmap( "powerchord/string_s"); + finger_pix = Resource::loadPixmap( "powerchord/justfing_s"); + mute_pix = Resource::loadPixmap( "powerchord/muted_s"); + + // box(FL_NO_BOX); + + // finger[0] = OPEN; + // finger[1] = OPEN; + // finger[2] = OPEN; + // finger[3] = OPEN; + // finger[4] = OPEN; + // finger[5] = OPEN; + + initial_fret = 0; + + // label(FL_NORMAL_LABEL, "Chord"); +} + +// int FretBoard::Finger(int f){ +// if (f < 0 || f > 5){ +// fprintf(stderr, "Error - finger value was %d\n", f); +// return 0; +// } +// return finger[f]; +// } + +void FretBoard::Finger(int f, int position){ + if (f < 0 || f > 5){ + fprintf(stderr, "Error - finger2 value was %d\n", f); + return; + } + + finger[f] = position; +} + +// void FretBoard::draw(void) { +// draw_box(); +// draw_label(); +// } + +// void FretBoard::draw_label(void) { +// align(FL_ALIGN_CENTER | FL_ALIGN_TOP | FL_ALIGN_WRAP); + +// this->Fl_Widget::draw_label(); +// } + + +//void FretBoard::draw_box(void) { + +void FretBoard::paintEvent(QPaintEvent *){ + + // fl_color(FL_WHITE); + + // Fl_Widget::draw_box(); + + // fl_color(FL_BLACK); + + QPainter p( this ); + + p.setBrush(black); + p.translate(0, 0); + + // draw each string + for (int f=0; f<=5; f++){ + // draw a string starting from the highest visible fret + for (int pp=0; pp<=6; pp++){ + int this_fret = initial_fret + pp; + int cx = /* x() + */ 28*f; + int cy = /* y() + */ pp*30; + + // fl_color(FL_WHITE); +// fl_rectf(cx, cy, 24, 24); + // p.setBrush(white); + // p.setPen(NoPen); + + // p.drawRect( QRect(cx, cy, 24, 24) ); +// fl_color(FL_BLACK); + // p.setBrush(black); + + // p.setPen(black); + + // draw the string unless at top + if (this_fret!=0){ + // fl_line(cx+12, cy, cx+12, cy+23); + // p.drawLine(cx+12, cy, cx+12, cy+23); + } + + // draw mutes if at top + if (pp == 0 && + finger[f] == MUTED){ + p.drawPixmap(cx,cy,mute_pix); + // fl_line(cx+4, cy+19, cx+19, cy+4); + // p.drawLine(cx+4, cy+19, cx+19, cy+4); + // fl_line(cx+5, cy+19, cx+20, cy+4); + // p.drawLine(cx+5, cy+19, cx+20, cy+4); + // fl_line(cx+4, cy+4, cx+19, cy+19); + // p.drawLine(cx+4, cy+4, cx+19, cy+19); + // fl_line(cx+5, cy+4, cx+20, cy+19); + // p.drawLine(cx+5, cy+4, cx+20, cy+19); + } + + if (this_fret==0){ + // above, blank + }else if(this_fret==1){ + // top + p.drawPixmap(cx,cy,stringtop_pix); + }else{ + // normal + p.drawPixmap(cx,cy,string_pix); + } + + // frets at bottom + // thick line if at top + // int x0 = (f==0)?(cx+12):cx; + // int x1 = (f==5)?(cx+12):(cx+23); + // for (int offset=23; offset>((this_fret==0)?20:22); offset--){ + // fl_line(x0, cy+offset, x1, cy+offset); + // p.drawLine(x0, cy+offset, x1, cy+offset); + // } + + // finger if at that position + if ((initial_fret==0 && pp == finger[f]) || + (initial_fret!=0 && pp == finger[f]-8)){ + p.drawPixmap(cx,cy,finger_pix); + +// fl_color(FL_WHITE); +// p.setBrush(white); +// p.setPen(NoPen); + +// fl_rectf(cx+4, cy+4, 16, 16); + // p.drawRect( QRect(cx+4, cy+4, 16, 16)); +// fl_color(FL_BLACK); + //p.setPen(black); +// fl_line(cx+4, cy+11, cx+7, cy+16); + //p.drawLine(cx+4, cy+11, cx+7, cy+16); +// fl_line(cx+7, cy+16, cx+12, cy+19); + //p.drawLine(cx+7, cy+16, cx+12, cy+19); +// fl_line(cx+12, cy+19, cx+16, cy+16); + //p.drawLine(cx+12, cy+19, cx+16, cy+16); +// fl_line(cx+16, cy+16, cx+19, cy+12); + //p.drawLine(cx+16, cy+16, cx+19, cy+12); +// fl_line(cx+19, cy+12, cx+16, cy+7); + //p.drawLine(cx+19, cy+12, cx+16, cy+7); +// fl_line(cx+16, cy+7, cx+12, cy+4); + //p.drawLine(cx+16, cy+7, cx+12, cy+4); +// fl_line(cx+11, cy+4, cx+7, cy+7); + //p.drawLine(cx+11, cy+4, cx+7, cy+7); +// fl_line(cx+7, cy+7, cx+4, cy+11); + //p.drawLine(cx+7, cy+7, cx+4, cy+11); + } + } + } + p.end(); +} + + |