Mercurial > hg > octave-lyh
annotate scripts/plot/__fltk_ginput__.m @ 11092:8b9aeb20c03c
__fltk_ginput__.m: use || instead of | in IF condition
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Sat, 09 Oct 2010 11:33:00 -0400 |
| parents | 9cdd6c8c05a4 |
| children | b8585f8e11d5 |
| rev | line source |
|---|---|
| 10517 | 1 ## Copyright (C) 2010 Shai Ayal |
| 2 ## | |
| 3 ## This file is part of Octave. | |
| 4 ## | |
| 5 ## Octave is free software; you can redistribute it and/or modify it | |
| 6 ## under the terms of the GNU General Public License as published by | |
| 7 ## the Free Software Foundation; either version 3 of the License, or (at | |
| 8 ## your option) any later version. | |
| 9 ## | |
| 10 ## Octave is distributed in the hope that it will be useful, but | |
| 11 ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 ## General Public License for more details. | |
| 14 ## | |
| 15 ## You should have received a copy of the GNU General Public License | |
| 16 ## along with Octave; see the file COPYING. If not, see | |
| 17 ## <http://www.gnu.org/licenses/>. | |
| 18 | |
| 19 ## -*- texinfo -*- | |
| 20 ## @deftypefn {Function File} {[@var{x}, @var{y}, @var{buttons}] =} __fltk_ginput__ (@var{f}, @var{n}) | |
| 21 ## Undocumented internal function. | |
| 22 ## @end deftypefn | |
| 23 | |
| 24 ## This is ginput.m implementation for fltk. | |
| 25 | |
| 26 function [x, y, button] = __fltk_ginput__ (f, n = -1) | |
| 27 | |
| 28 if (isempty (get (f, "currentaxes"))) | |
| 29 error ("ginput: must have at least one axes"); | |
| 30 endif | |
| 31 | |
| 32 x = []; | |
| 33 y = []; | |
| 34 button = []; | |
| 35 ginput_aggregator (0, 0, 0); | |
| 36 | |
| 37 unwind_protect | |
| 38 | |
| 39 orig_windowbuttondownfcn = get (f, "windowbuttondownfcn"); | |
| 40 set (f, "windowbuttondownfcn", @ginput_windowbuttondownfcn); | |
| 41 | |
| 42 orig_ginput_keypressfcn = get (f, "keypressfcn"); | |
| 43 set (f, "keypressfcn", @ginput_keypressfcn); | |
| 44 | |
| 45 while (true) | |
| 46 __fltk_redraw__ (); | |
| 47 | |
| 48 ## release CPU | |
| 49 sleep (0.01); | |
| 50 | |
| 51 [x, y, n0] = ginput_aggregator (-1, 0, 0); | |
|
11092
8b9aeb20c03c
__fltk_ginput__.m: use || instead of | in IF condition
John W. Eaton <jwe@octave.org>
parents:
10517
diff
changeset
|
52 if (n0 == n || n0 < 0) |
| 10517 | 53 break; |
| 54 endif | |
| 55 endwhile | |
| 56 | |
| 57 ## FIXME -- got to get the buttons somehow | |
| 58 button = ones (size (x)); | |
| 59 unwind_protect_cleanup | |
| 60 set (f, "windowbuttondownfcn", orig_windowbuttondownfcn); | |
| 61 set (f, "keypressfcn", orig_ginput_keypressfcn); | |
| 62 end_unwind_protect | |
| 63 | |
| 64 endfunction | |
| 65 | |
| 66 function [x, y, n] = ginput_aggregator (mode , xn, yn) | |
| 67 persistent x y n | |
| 68 | |
| 69 if (mode == 0), | |
| 70 x = []; | |
| 71 y = []; | |
| 72 n = 0; | |
| 73 elseif (mode == 1) | |
| 74 x = [x, xn]; | |
| 75 y = [y, yn]; | |
| 76 n += 1; | |
| 77 elseif (mode == 2) | |
| 78 n = -1 | |
| 79 endif | |
| 80 endfunction | |
| 81 | |
| 82 function ginput_windowbuttondownfcn (src, data) | |
| 83 point = get (get (src,"currentaxes"), "currentpoint"); | |
| 84 ginput_aggregator (1, point(1,1), point(2,1)); | |
| 85 endfunction | |
| 86 | |
| 87 function ginput_keypressfcn (src, evt) | |
| 88 if (evt.Key == 10) | |
| 89 ginput_aggregator (2, 0, 0) | |
| 90 endif | |
| 91 endfunction | |
| 92 |