DRC | 2ff39b8 | 2011-07-28 08:38:59 +0000 | [diff] [blame] | 1 | // |
| 2 | // "$Id: Fl_Multi_Label.cxx 7903 2010-11-28 21:06:39Z matt $" |
| 3 | // |
| 4 | // Multi-label widget for the Fast Light Tool Kit (FLTK). |
| 5 | // |
| 6 | // Copyright 1998-2010 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| 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 | // Allows two labels to be used on a widget (by having one of them |
| 29 | // be one of these it allows an infinte number!) |
| 30 | |
| 31 | #include <FL/Fl.H> |
| 32 | #include <FL/Fl_Widget.H> |
| 33 | #include <FL/Fl_Menu_Item.H> |
| 34 | #include <FL/Fl_Multi_Label.H> |
| 35 | |
| 36 | static void multi_labeltype( |
| 37 | const Fl_Label* o, int x, int y, int w, int h, Fl_Align a) |
| 38 | { |
| 39 | Fl_Multi_Label* b = (Fl_Multi_Label*)(o->value); |
| 40 | Fl_Label local = *o; |
| 41 | local.value = b->labela; |
| 42 | local.type = b->typea; |
| 43 | int W = w; int H = h; local.measure(W, H); |
| 44 | local.draw(x,y,w,h,a); |
| 45 | if (a & FL_ALIGN_BOTTOM) h -= H; |
| 46 | else if (a & FL_ALIGN_TOP) {y += H; h -= H;} |
| 47 | else if (a & FL_ALIGN_RIGHT) w -= W; |
| 48 | else if (a & FL_ALIGN_LEFT) {x += W; w -= W;} |
| 49 | else {int d = (h+H)/2; y += d; h -= d;} |
| 50 | local.value = b->labelb; |
| 51 | local.type = b->typeb; |
| 52 | local.draw(x,y,w,h,a); |
| 53 | } |
| 54 | |
| 55 | // measurement is only correct for left-to-right appending... |
| 56 | static void multi_measure(const Fl_Label* o, int& w, int& h) { |
| 57 | Fl_Multi_Label* b = (Fl_Multi_Label*)(o->value); |
| 58 | Fl_Label local = *o; |
| 59 | local.value = b->labela; |
| 60 | local.type = b->typea; |
| 61 | local.measure(w,h); |
| 62 | local.value = b->labelb; |
| 63 | local.type = b->typeb; |
| 64 | int W = 0; int H = 0; local.measure(W,H); |
| 65 | w += W; if (H>h) h = H; |
| 66 | } |
| 67 | |
| 68 | void Fl_Multi_Label::label(Fl_Widget* o) { |
| 69 | Fl::set_labeltype(_FL_MULTI_LABEL, multi_labeltype, multi_measure); |
| 70 | o->label(_FL_MULTI_LABEL, (const char*)this); |
| 71 | } |
| 72 | |
| 73 | void Fl_Multi_Label::label(Fl_Menu_Item* o) { |
| 74 | Fl::set_labeltype(_FL_MULTI_LABEL, multi_labeltype, multi_measure); |
| 75 | o->label(_FL_MULTI_LABEL, (const char*)this); |
| 76 | } |
| 77 | |
| 78 | // |
| 79 | // End of "$Id: Fl_Multi_Label.cxx 7903 2010-11-28 21:06:39Z matt $". |
| 80 | // |