non/FL/Fl_SliderX.C

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/*******************************************************************************/
/* Copyright (C) 2013 Jonathan Moore Liles */
/* */
/* 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; see the file COPYING. If not,write to the Free Software */
/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/*******************************************************************************/
#include "Fl_SliderX.H"
#include <FL/Fl.H>
#include <FL/fl_draw.H>
void
Fl_SliderX::draw ( int X, int Y, int W, int H)
{
int act = active_r();
if (damage()&FL_DAMAGE_ALL) draw_box();
double val;
if (minimum() == maximum())
val = 0.5;
else {
val = (value()-minimum())/(maximum()-minimum());
if (val > 1.0) val = 1.0;
else if (val < 0.0) val = 0.0;
}
int ww = (horizontal() ? W : H);
int hh = (horizontal() ? H : W);
int xx, S;
/* S = int(val*ww+.5); */
/* if (minimum()>maximum()) {S = ww-S; xx = ww-S;} */
/* else xx = 0; */
{
//S = //int(ww+.5);
S = hh;
int T = (horizontal() ? H : W)/2+1;
// if (type()==FL_VERT_NICE_SLIDER || type()==FL_HOR_NICE_SLIDER) T += 4;
if (S < T) S = T;
xx = int(val*(ww-S)+.5);
}
int xsl, ysl, wsl, hsl;
if (horizontal()) {
xsl = X+xx;
wsl = S;
ysl = Y + hh/2;
hsl = hh/4;
} else {
ysl = Y+xx;
hsl = S;
xsl = X + hh/2;
wsl = hh/4;
}
{
fl_push_clip(X, Y, W, H);
draw_box();
fl_pop_clip();
}
//draw_bg(X, Y, W, H);
fl_line_style( FL_SOLID, hh/6 );
Fl_Color c = fl_darker(color());
if ( !act )
c = fl_inactive(c);
fl_color(c);
if ( horizontal() )
fl_line ( X + S/2, Y + hh/2, X + W - S/2, Y + hh/2 );
else
fl_line ( X + hh/2, Y + S/2, X + hh/2, Y + H - S/2 );
c = selection_color();
if ( !act )
c = fl_inactive(c);
fl_color( c );
if ( horizontal() )
fl_line ( X + S/2, ysl, xsl + S/2, ysl );
else
fl_line ( X + S/2, Y + H - S/2, xsl, ysl + (S/2) );
fl_line_style( FL_SOLID, 0 );
if ( act )
{
fl_push_matrix();
if ( horizontal() )
fl_translate( xsl + (hh/2), ysl);
else
fl_translate( xsl, ysl + (hh/2) );
fl_color( fl_color_add_alpha( FL_WHITE, 127 ));
fl_begin_polygon(); fl_circle(0.0,0.0, hh/3); fl_end_polygon();
fl_color( FL_WHITE );
fl_begin_polygon(); fl_circle(0.0,0.0, hh/6); fl_end_polygon();
fl_pop_matrix();
}
draw_label(xsl, ysl, wsl, hsl);
if (Fl::focus() == this) {
draw_focus();
}
/* draw(x()+Fl::box_dx(box()), */
/* y()+Fl::box_dy(box()), */
/* w()-Fl::box_dw(box()), */
/* h()-Fl::box_dh(box())); */
}