1 | // |
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2 | // "$Id$" |
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3 | // |
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4 | // Return button widget for the Fast Light Tool Kit (FLTK). |
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5 | // |
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6 | // Copyright 1998-2005 by Bill Spitzak and others. |
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7 | // |
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8 | // This library is free software; you can redistribute it and/or |
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9 | // modify it under the terms of the GNU Library General Public |
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10 | // License as published by the Free Software Foundation; either |
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11 | // version 2 of the License, or (at your option) any later version. |
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12 | // |
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13 | // This library is distributed in the hope that it will be useful, |
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14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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16 | // Library General Public License for more details. |
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17 | // |
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18 | // You should have received a copy of the GNU Library General Public |
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19 | // License along with this library; if not, write to the Free Software |
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20 | // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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21 | // USA. |
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22 | // |
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23 | // Please report all bugs and problems on the following page: |
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24 | // |
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25 | // http://www.fltk.org/str.php |
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26 | // |
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27 | |
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28 | #include <FL/Fl.H> |
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29 | #include <FL/Fl_Return_Button.H> |
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30 | #include <FL/fl_draw.H> |
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31 | |
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32 | int fl_return_arrow(int x, int y, int w, int h) { |
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33 | int size = w; if (h<size) size = h; |
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34 | int d = (size+2)/4; if (d<3) d = 3; |
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35 | int t = (size+9)/12; if (t<1) t = 1; |
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36 | int x0 = x+(w-2*d-2*t-1)/2; |
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37 | int x1 = x0+d; |
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38 | int y0 = y+h/2; |
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39 | fl_color(FL_LIGHT3); |
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40 | fl_line(x0, y0, x1, y0+d); |
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41 | fl_yxline(x1, y0+d, y0+t, x1+d+2*t, y0-d); |
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42 | fl_yxline(x1, y0-t, y0-d); |
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43 | fl_color(fl_gray_ramp(0)); |
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44 | fl_line(x0, y0, x1, y0-d); |
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45 | fl_color(FL_DARK3); |
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46 | fl_xyline(x1+1, y0-t, x1+d, y0-d, x1+d+2*t); |
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47 | return 1; |
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48 | } |
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49 | |
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50 | void Fl_Return_Button::draw() { |
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51 | if (type() == FL_HIDDEN_BUTTON) return; |
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52 | draw_box(value() ? (down_box()?down_box():fl_down(box())) : box(), |
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53 | value() ? selection_color() : color()); |
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54 | int W = h(); |
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55 | if (w()/3 < W) W = w()/3; |
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56 | fl_return_arrow(x()+w()-W-4, y(), W, h()); |
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57 | draw_label(x(), y(), w()-W+4, h()); |
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58 | if (Fl::focus() == this) draw_focus(); |
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59 | } |
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60 | |
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61 | int Fl_Return_Button::handle(int event) { |
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62 | if (event == FL_SHORTCUT && |
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63 | (Fl::event_key() == FL_Enter || Fl::event_key() == FL_KP_Enter)) { |
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64 | do_callback(); |
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65 | return 1; |
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66 | } else |
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67 | return Fl_Button::handle(event); |
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68 | } |
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69 | |
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70 | // |
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71 | // End of "$Id$". |
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72 | // |
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