zynaddsubfx

ZynAddSubFX open source synthesizer
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Fl_Osc_VSlider.cpp (2330B)

      1 /*
      2   ZynAddSubFX - a software synthesizer
      3 
      4   Fl_Osc_VSlider.cpp - OSC Based Vertical Slider
      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/Fl.H>
     13 #include <FL/fl_draw.H>
     14 #include "Fl_Osc_VSlider.H"
     15 #include "Fl_Osc_Interface.h"
     16 #include "Fl_Osc_Pane.H"
     17 #include <cstdlib>
     18 #include <cstring>
     19 #include <cmath>
     20 #include <cassert>
     21 #include <sstream>
     22 
     23 Fl_Osc_VSlider::Fl_Osc_VSlider(int X, int Y, int W, int H, const char *label)
     24     :Fl_Osc_Slider(X,Y,W,H,label)
     25 {
     26     //bounds(0.0f,1.0f);
     27     Fl_Slider::callback(Fl_Osc_Slider::_cb);
     28     textfont_ = FL_HELVETICA;
     29     textsize_ = 10;
     30     textcolor_ = FL_FOREGROUND_COLOR;
     31 }
     32 
     33 Fl_Osc_VSlider::~Fl_Osc_VSlider(void)
     34 {}
     35 
     36 void Fl_Osc_VSlider::init(std::string path_, char type_)
     37 {
     38     Fl_Osc_Slider::init(path_, type_);
     39 }
     40 
     41 void Fl_Osc_VSlider::draw() {
     42     int sxx = x(), syy = y(), sww = w(), shh = h();
     43     int bxx = x(), byy = y(), bww = w(), bhh = h();
     44     if (horizontal()) {
     45         bww = 35; sxx += 35; sww -= 35;
     46     } else {
     47         syy += 25; bhh = 25; shh -= 25;
     48     }
     49     if (damage()&FL_DAMAGE_ALL) draw_box(box(),sxx,syy,sww,shh,color());
     50     Fl_Osc_Slider::draw(sxx+Fl::box_dx(box()),
     51                         syy+Fl::box_dy(box()),
     52                         sww-Fl::box_dw(box()),
     53                         shh-Fl::box_dh(box()));
     54     draw_box(box(),bxx,byy,bww,bhh,color());
     55     char buf[128];
     56     format(buf);
     57     fl_font(textfont(), textsize());
     58     fl_color(active_r() ? textcolor() : fl_inactive(textcolor()));
     59     fl_draw(buf, bxx, byy, bww, bhh, FL_ALIGN_CLIP);
     60 }
     61 
     62 int Fl_Osc_VSlider::handle(int ev)
     63 {
     64     if (ev == FL_PUSH && Fl::visible_focus()) {
     65         Fl::focus(this);
     66         redraw();
     67     }
     68     int sxx = x(), syy = y(), sww = w(), shh = h();
     69     if (horizontal()) {
     70         sxx += 35; sww -= 35;
     71     } else {
     72         syy += 25; shh -= 25;
     73     }
     74 
     75     return Fl_Osc_Slider::handle(ev,
     76                                  sxx+Fl::box_dx(box()),
     77                                  syy+Fl::box_dy(box()),
     78                                  sww-Fl::box_dw(box()),
     79                                  shh-Fl::box_dh(box()));
     80 }