1 //
2 // "$Id: Fl_Return_Button.cxx 5190 2006-06-09 16:16:34Z mike $"
3 //
4 // Return button widget for the Fast Light Tool Kit (FLTK).
5 //
6 // Copyright 1998-2005 by Bill Spitzak and others.
7 //
8 // This library is free software; you can redistribute it and/or
9 // modify it under the terms of the GNU Library General Public
10 // License as published by the Free Software Foundation; either
11 // version 2 of the License, or (at your option) any later version.
12 //
13 // This library is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 // Library General Public License for more details.
17 //
18 // You should have received a copy of the GNU Library General Public
19 // License along with this library; if not, write to the Free Software
20 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
21 // USA.
22 //
23 // Please report all bugs and problems on the following page:
24 //
25 // http://www.fltk.org/str.php
26 //
27
28 #include <FL/Fl.H>
29 #include <FL/Fl_Return_Button.H>
30 #include <FL/fl_draw.H>
31
fl_return_arrow(int x,int y,int w,int h)32 int fl_return_arrow(int x, int y, int w, int h) {
33 int size = w; if (h<size) size = h;
34 int d = (size+2)/4; if (d<3) d = 3;
35 int t = (size+9)/12; if (t<1) t = 1;
36 int x0 = x+(w-2*d-2*t-1)/2;
37 int x1 = x0+d;
38 int y0 = y+h/2;
39 fl_color(FL_LIGHT3);
40 fl_line(x0, y0, x1, y0+d);
41 fl_yxline(x1, y0+d, y0+t, x1+d+2*t, y0-d);
42 fl_yxline(x1, y0-t, y0-d);
43 fl_color(fl_gray_ramp(0));
44 fl_line(x0, y0, x1, y0-d);
45 fl_color(FL_DARK3);
46 fl_xyline(x1+1, y0-t, x1+d, y0-d, x1+d+2*t);
47 return 1;
48 }
49
draw()50 void Fl_Return_Button::draw() {
51 if (type() == FL_HIDDEN_BUTTON) return;
52 draw_box(value() ? (down_box()?down_box():fl_down(box())) : box(),
53 value() ? selection_color() : color());
54 int W = h();
55 if (w()/3 < W) W = w()/3;
56 fl_return_arrow(x()+w()-W-4, y(), W, h());
57 draw_label(x(), y(), w()-W+4, h());
58 if (Fl::focus() == this) draw_focus();
59 }
60
handle(int event)61 int Fl_Return_Button::handle(int event) {
62 if (event == FL_SHORTCUT &&
63 (Fl::event_key() == FL_Enter || Fl::event_key() == FL_KP_Enter)) {
64 do_callback();
65 return 1;
66 } else
67 return Fl_Button::handle(event);
68 }
69
70 //
71 // End of "$Id: Fl_Return_Button.cxx 5190 2006-06-09 16:16:34Z mike $".
72 //
73