src/eventmenu.cpp

   1 /*
   2    Epichord - a midi sequencer
   3    Copyright (C) 2008  Evan Rinehart
   4
   5    This program is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU General Public License
   7    as published by the Free Software Foundation; either version 2
   8    of the License, or (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
  16    along with this program; if not, write to
  17
  18    The Free Software Foundation, Inc.
  19    51 Franklin Street, Fifth Floor
  20    Boston, MA  02110-1301, USA
  21 */
  22
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26 #include <vector>
  27
  28 #include <fltk/Group.h>
  29 #include <fltk/Widget.h>
  30 #include <fltk/events.h>
  31
  32 #include "ui.h"
  33
  34 #include "eventmenu.h"
  35
  36 #include "uihelper.h"
  37
  38
  39 extern struct conf config;
  40
  41 extern UI* ui;
  42 extern std::vector<track*> tracks;
  43
  44 extern char controller_names_short[128][64];
  45
  46 using namespace fltk;
  47
  48 EventMenu::EventMenu(int x, int y, int w, int h, const char* label) : fltk::Widget(x, y, w, h, label) {
  49   scroll = 0;
  50   scroll_orig = 0;
  51   drag_orig_x=0;
  52 }
  53
  54 int EventMenu::handle(int event){
  55   int X,Y,i;
  56   switch(event){
  57     case FOCUS:
  58       return 1;
  59     case PUSH:
  60       X=event_x();
  61       Y=event_y();
  62       if(event_button()==1){//switch to event
  63         i = xy2menu_index(X,Y);
  64         switch(i){
  65           case 0: ui->event_edit->set_event_type(MIDI_NOTE_ON,0); break;
  66           case 1: ui->event_edit->set_event_type(MIDI_NOTE_OFF,0); break;
  67           case 2: ui->event_edit->set_event_type(MIDI_AFTERTOUCH,0); break;
  68           case 3: ui->event_edit->set_event_type(MIDI_PROGRAM_CHANGE,0); break;
  69           case 4: ui->event_edit->set_event_type(MIDI_CHANNEL_PRESSURE,0); break;
  70           case 5: ui->event_edit->set_event_type(MIDI_PITCH_WHEEL,0); break;
  71           default:
  72             ui->event_edit->set_event_type(MIDI_CONTROLLER_CHANGE,i-6);
  73             break;
  74         }
  75         ui->event_edit->show();
  76         hide();
  77         ui->event_menu_button->state(0);
  78       }
  79       else if(event_button()==3){//erase events
  80         drag_orig_x = X;
  81         scroll_orig = scroll;
  82       }
  83       redraw();
  84       return 1;
  85       break;
  86     case DRAG:
  87       if(event_button()==3){
  88         scroll = scroll_orig + (drag_orig_x - event_x());
  89         if(scroll<0){scroll=0;}
  90         if(scroll>1000){scroll=1000;}
  91         redraw();
  92       }
  93       break;
  94   }
  95   return 0;
  96 }
  97
  98 void EventMenu::draw(){
  99   fltk::setfont(fltk::COURIER,10);
 100   fltk::setcolor(fltk::GRAY05);
 101   fltk::fillrect(0,0,w(),h());
 102
 103   fltk::push_clip(0,0,w(),h());
 104
 105   fltk::Color c1 = fltk::GRAY50;
 106   fltk::Color c2 = fltk::GRAY80;
 107
 108   char buf[16] = "booya";
 109
 110   for(int i=0; i<134; i++){
 111     if(ui->event_edit->has[i])
 112       fltk::setcolor(c2);
 113     else
 114       fltk::setcolor(c1);
 115     switch(i){
 116       case 0: strcpy(buf,"noteon"); break;
 117       case 1: strcpy(buf,"noteoff"); break;
 118       case 2: strcpy(buf,"aftertouch"); break;
 119       case 3: strcpy(buf,"program"); break;
 120       case 4: strcpy(buf,"pressure"); break;
 121       case 5: strcpy(buf,"pitchwheel"); break;
 122       default: strncpy(buf,controller_names_short[i-6],16); break;
 123     }
 124     fltk::drawtext(buf,i/6 * 64-scroll,12+(12*(i % 6)));
 125   }
 126
 127   fltk::pop_clip();
 128
 129 }
 130
 131 int EventMenu::xy2menu_index(int X, int Y){
 132   int W = 64;
 133   int H = 12;
 134   int I = (X+scroll)/W * 6 + Y*6/h();
 135   if(I>133){return 133;}
 136   else{return I;}
 137 }
 138