kc/src/kc/Fl_Vert_Progress.cpp

#include <FL/Fl.H>
#include <FL/fl_draw.H>
#include <Fl/Fl_Progress.H>
#include "Fl_Vert_Progress.h"

Fl_Vert_Progress::Fl_Vert_Progress(int x, int y, int w, int h, const char* l)
  : Fl_Progress(x,y,w,h)
{
}

void Fl_Vert_Progress::draw()
{
  int progress;        // Size of progress bar...
  int bx, by, bw, bh;  // Box areas...
  int tx, ty, tw, th;  // Temporary X + width

  float min_ = minimum();
  float max_ = maximum();
  float val_ = value();

  // Get the box borders...
  bx = Fl::box_dx(box());
  by = Fl::box_dy(box());
  bw = Fl::box_dw(box());
  bh = Fl::box_dh(box());

  tx = x() + bx;
  ty = y() + by;
  tw = w() - bw;
  th = h() - bh;


  // Draw the progress bar...
  if (max_ > min_)
    progress = (int)( th * (val_ - min_) / (max_ - min_) );
  else
    progress = 0;

  // Draw the box and label...
  if (progress > 0) 
  {
    Fl_Color c = labelcolor();
    labelcolor(fl_contrast(labelcolor(), selection_color()));


    // draw the progress area
    //fl_push_clip(x(), y() + h() - progress, w(), progress);
    fl_push_clip(tx,ty + th - progress, tw, progress );
    draw_box(box(), x(), y(), w(), h(), active_r() ? selection_color() : fl_inactive(selection_color()));
    draw_label(tx, y() + by, tw, h() - bh);
    fl_pop_clip();

    labelcolor(c);

    if (progress<w()) 
    {
      // draw the non-progress area
      //fl_push_clip(x(), y(), w(), h() - progress );
      fl_push_clip(tx,ty,tw,th-progress );
      draw_box(box(), x(), y(), w(), h(), active_r() ? color() : fl_inactive(color()));
      draw_label(tx, y() + by, tw, h() - bh);
      fl_pop_clip();
    }

  } 
  else 
  {
    draw_box(box(), x(), y(), w(), h(), active_r() ? color() : fl_inactive(color()));
    draw_label(tx, y() + by, tw, h() - bh);
  }

  //fl_draw_box(FL_FLAT_BOX,x(),y(),w(),h(), FL_RED);
  //fl_draw_box(FL_FLAT_BOX,tx,ty,tw,th, FL_GREEN);
  //fl_draw_box(FL_FLAT_BOX,tx,ty,tw,th-progress, FL_BLACK); // non-prog
  //fl_draw_box(FL_FLAT_BOX,tx,ty + th - progress,tw,progress,FL_BLUE);      // prog

}