zynaddsubfx

ZynAddSubFX open source synthesizer
Log | Files | Refs | Submodules | LICENSE

Fl_Osc_Choice.cpp (1706B)

      1 /*
      2   ZynAddSubFX - a software synthesizer
      3 
      4   Fl_Osc_Choice.cpp - OSC Powered Dropdown Choice
      5   Copyright (C) 2016 Mark McCurry
      6 
      7   This program is free software; you can redistribute it and/or
      8   modify it under the terms of the GNU General Public License
      9   as published by the Free Software Foundation; either version 2
     10   of the License, or (at your option) any later version.
     11 */
     12 #include "Fl_Osc_Choice.H"
     13 #include "Fl_Osc_Interface.h"
     14 #include "Fl_Osc_Pane.H"
     15 #include <cstdlib>
     16 #include <cstring>
     17 #include <cmath>
     18 #include <cassert>
     19 #include <sstream>
     20 
     21 static void callback_fn_choice(Fl_Widget *w, void *)
     22 {
     23     ((Fl_Osc_Choice*)w)->cb();
     24 }
     25 
     26 Fl_Osc_Choice::Fl_Osc_Choice(int X, int Y, int W, int H, const char *label)
     27     :Fl_Choice(X,Y,W,H, label), Fl_Osc_Widget(this), cb_data(NULL, NULL)
     28 {
     29     min = 0;
     30     Fl_Choice::callback(callback_fn_choice, NULL);
     31 }
     32 
     33 void Fl_Osc_Choice::init(std::string path_, int base)
     34 {
     35     min = base;
     36     ext = path_;
     37     Fl_Osc_Pane *pane = fetch_osc_pane(this);
     38     assert(pane);
     39     assert(pane->osc);
     40     osc = pane->osc;
     41     oscRegister(path_.c_str());
     42 };
     43 
     44 Fl_Osc_Choice::~Fl_Osc_Choice(void)
     45 {}
     46 
     47 void Fl_Osc_Choice::callback(Fl_Callback *cb, void *p)
     48 {
     49     cb_data.first = cb;
     50     cb_data.second = p;
     51 }
     52 
     53 void Fl_Osc_Choice::OSC_value(int v)
     54 {
     55     if(v-min == value())
     56         return;
     57     value(v-min);
     58     if(cb_data.first)
     59         cb_data.first(this, cb_data.second);
     60 }
     61 
     62 void Fl_Osc_Choice::OSC_value(char v)
     63 {
     64     OSC_value((int)v);
     65 }
     66 
     67 void Fl_Osc_Choice::cb(void)
     68 {
     69     assert(osc);
     70     oscWrite(ext, "i", value()+min);
     71     if(cb_data.first)
     72         cb_data.first(this, cb_data.second);
     73 }
     74 
     75 void Fl_Osc_Choice::update(void)
     76 {
     77     assert(osc);
     78     oscWrite(ext);
     79 }
     80