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// Fl_Return_Button.C
#include <FL/Fl.H>
#include <FL/Fl_Return_Button.H>
#include <FL/fl_draw.H>
int fl_return_arrow(int x, int y, int w, int h) {
int size = w; if (h<size) size = h;
int d = (size+2)/4; if (d<3) d = 3;
int t = (size+9)/12; if (t<1) t = 1;
int x0 = x+(w-2*d-2*t-1)/2;
int x1 = x0+d;
int y0 = y+h/2;
fl_color(FL_LIGHT3);
fl_line(x0, y0, x1, y0+d);
fl_yxline(x1, y0+d, y0+t, x1+d+2*t, y0-d);
fl_yxline(x1, y0-t, y0-d);
fl_color(fl_gray_ramp(0));
fl_line(x0, y0, x1+1, y0-d-1);
fl_color(FL_DARK3);
fl_xyline(x1+1, y0-t, x1+d, y0-d, x1+d+2*t);
return 1;
}
void Fl_Return_Button::draw() {
if (type() == FL_HIDDEN_BUTTON) return;
draw_box(value() ? (down_box()?down_box():down(box())) : box(),
value() ? selection_color() : color());
int W = h();
if (w()/3 < W) W = w()/3;
fl_return_arrow(x()+w()-W-4, y(), W, h());
draw_label(x(), y(), w()-W+4, h());
}
int Fl_Return_Button::handle(int event) {
if (event == FL_SHORTCUT &&
(Fl::event_key() == FL_Enter || Fl::event_key() == FL_KP_Enter)) {
do_callback();
return 1;
} else
return Fl_Button::handle(event);
}
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