Mercurial > hg > octave-lyh
annotate scripts/plot/private/__fltk_ginput__.m @ 17320:088d014a7fe2
Use semicolon after "return" statement in core m-files.
* scripts/general/accumdim.m, scripts/image/imformats.m, scripts/io/textread.m,
scripts/io/textscan.m, scripts/linear-algebra/expm.m,
scripts/miscellaneous/edit.m, scripts/optimization/lsqnonneg.m,
scripts/optimization/pqpnonneg.m, scripts/pkg/private/dirempty.m,
scripts/plot/findobj.m, scripts/plot/graphics_toolkit.m,
scripts/plot/private/__errplot__.m, scripts/plot/private/__interp_cube__.m,
scripts/plot/private/__marching_cube__.m, scripts/plot/subplot.m,
scripts/polynomial/residue.m, scripts/sparse/sprandsym.m,
scripts/special-matrix/gallery.m, scripts/strings/strjoin.m:
Use semicolon after "return" statement in core m-files.
| author | Rik <rik@octave.org> |
|---|---|
| date | Wed, 21 Aug 2013 19:53:42 -0700 |
| parents | fc3845c63458 |
| children |
| rev | line source |
|---|---|
|
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maint: update copyright notices for 2012
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1 ## Copyright (C) 2010-2012 Shai Ayal |
| 10517 | 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 | |
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32 x = y = button = []; |
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33 ginput_accumulator (0, 0, 0, 0); # initialize accumulator |
| 10517 | 34 |
| 35 unwind_protect | |
| 36 | |
| 37 orig_windowbuttondownfcn = get (f, "windowbuttondownfcn"); | |
| 38 set (f, "windowbuttondownfcn", @ginput_windowbuttondownfcn); | |
| 39 | |
| 40 orig_ginput_keypressfcn = get (f, "keypressfcn"); | |
| 41 set (f, "keypressfcn", @ginput_keypressfcn); | |
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42 |
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43 do |
| 10517 | 44 __fltk_redraw__ (); |
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45 |
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46 ## Release CPU. |
| 10517 | 47 sleep (0.01); |
| 48 | |
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49 [x, y, n0, button] = ginput_accumulator (-1, 0, 0, 0); |
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50 until (n0 == n || n0 < 0) |
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parents:
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51 |
| 10517 | 52 unwind_protect_cleanup |
| 53 set (f, "windowbuttondownfcn", orig_windowbuttondownfcn); | |
| 54 set (f, "keypressfcn", orig_ginput_keypressfcn); | |
| 55 end_unwind_protect | |
| 56 | |
| 57 endfunction | |
| 58 | |
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59 function [x, y, n, button] = ginput_accumulator (mode, xn, yn, btn) |
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60 persistent x y n button; |
| 10517 | 61 |
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62 if (mode == 0) |
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63 ## Initialize. |
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64 x = y = button = []; |
| 10517 | 65 n = 0; |
| 66 elseif (mode == 1) | |
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67 ## Append mouse button or key press. |
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68 x = [x; xn]; |
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69 y = [y; yn]; |
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70 button = [button; btn]; |
| 10517 | 71 n += 1; |
| 72 elseif (mode == 2) | |
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73 ## The end due to Enter. |
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74 n = -1; |
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75 endif |
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76 |
| 10517 | 77 endfunction |
| 78 | |
| 79 function ginput_windowbuttondownfcn (src, data) | |
| 80 point = get (get (src,"currentaxes"), "currentpoint"); | |
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81 button = data; |
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82 ginput_accumulator (1, point(1,1), point(2,1), button); |
| 10517 | 83 endfunction |
| 84 | |
| 85 function ginput_keypressfcn (src, evt) | |
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parents:
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86 point = get (get (src, "currentaxes"), "currentpoint"); |
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87 key = evt.Key; |
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88 if (key == 10) |
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89 ## Enter key stops ginput. |
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parents:
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diff
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90 ginput_accumulator (2, NaN, NaN, NaN); |
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parents:
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91 else |
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92 ginput_accumulator (1, point(1,1), point(2,1), key); |
| 10517 | 93 endif |
| 94 endfunction | |
| 95 |