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annotate libinterp/dldfcn/__fltk_uigetfile__.cc @ 30888:32d2b6604a9f

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doc: Ensure documentation lists output argument when it exists for functions in libinterp/ For new users of Octave it is best to show explicit calling forms in the documentation and to show a return argument when it exists. * __ftp__.cc, __magick_read__.cc, __pchip_deriv__.cc, bitfcns.cc, bsxfun.cc, call-stack.cc, cellfun.cc, chol.cc, conv2.cc, data.cc, debug.cc, defaults.cc, det.cc, dirfns.cc, display.cc, dot.cc, error.cc, event-manager.cc, fft.cc, fft2.cc, fftn.cc, file-io.cc, getgrent.cc, getpwent.cc, getrusage.cc, graphics.cc, hash.cc, help.cc, input.cc, interpreter.cc, kron.cc, load-path.cc, mappers.cc, max.cc, nproc.cc, oct-hist.cc, pager.cc, pinv.cc, psi.cc, rand.cc, settings.cc, sighandlers.cc, stream-euler.cc, strfns.cc, symtab.cc, syscalls.cc, sysdep.cc, time.cc, toplev.cc, utils.cc, variables.cc, __fltk_uigetfile__.cc, audiodevinfo.cc, audioread.cc, fftw.cc, ov-bool-mat.cc, ov-cell.cc, ov-class.cc, ov-classdef.cc, ov-fcn-handle.cc, ov-java.cc, ov-struct.cc, ov-typeinfo.cc, ov-usr-fcn.cc, ov.cc, octave.cc, profiler.cc: Add return arguments to @deftypefn macros where they were missing. Attempt to use standard naming convention for return variables. Occasionally improved the docstring itself by re-wording or adding code examples.
author Rik <rik@octave.org>
date Mon, 04 Apr 2022 10:31:48 -0700
parents 796f54d4ddbf
children e88a07dec498
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2010-2022 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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25
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26 #if defined (HAVE_CONFIG_H)
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27 # include "config.h"
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28 #endif
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29
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30 #if defined (HAVE_FLTK)
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32 # if defined (WIN32)
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33 # define WIN32_LEAN_AND_MEAN
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34 # endif
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35
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36 # include <string>
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37
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38 # include <FL/Fl.H>
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39 # include <FL/Fl_File_Chooser.H>
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40
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41 // FLTK headers may include X11/X.h which defines Complex, and that
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42 // conflicts with Octave's Complex typedef. We don't need the X11
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43 // Complex definition in this file, so remove it before including Octave
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44 // headers which may require Octave's Complex typedef.
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45 # undef Complex
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46
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47 #endif
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48
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49 #include "dMatrix.h"
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50 #include "file-ops.h"
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51
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52 #include "Cell.h"
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53 #include "defun-dld.h"
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54 #include "errwarn.h"
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55 #include "ov.h"
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56
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57 OCTAVE_NAMESPACE_BEGIN
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58
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59 DEFUN_DLD (__fltk_uigetfile__, args, ,
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60 doc: /* -*- texinfo -*-
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61 @deftypefn {} {[@var{fname}, @var{fpath}, @var{fltidx}] =} __fltk_uigetfile__ (@dots{})
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62 Undocumented internal function.
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63 @end deftypefn */)
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64 {
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65 #if defined (HAVE_FLTK)
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66
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67 // Expected argument list:
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68 //
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69 // args(0) ... FileFilter in fltk format
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70 // args(1) ... Title
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71 // args(2) ... Default Filename
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72 // args(3) ... SelectValue "on"/"off"/"dir"/"create"
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73
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74 octave_value_list retval (3, octave_value (0));
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75
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76 std::string file_filter = args(0).string_value ();
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77 std::string title = args(1).string_value ();
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78 std::string default_name = args(2).string_value ();
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79
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80 int multi_type = Fl_File_Chooser::SINGLE;
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81 std::string flabel = "Filename:";
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82
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83 std::string multi = args(3).string_value ();
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84 if (multi == "on")
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85 multi_type = Fl_File_Chooser::MULTI;
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86 else if (multi == "dir")
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87 {
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88 multi_type = Fl_File_Chooser::DIRECTORY;
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89 flabel = "Directory:";
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90 }
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91 else if (multi == "create")
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92 multi_type = Fl_File_Chooser::CREATE;
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93
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94 Fl_File_Chooser::filename_label = flabel.c_str ();
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95
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96 Fl_File_Chooser fc (default_name.c_str (), file_filter.c_str (),
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97 multi_type, title.c_str ());
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98
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99 fc.preview (0);
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100
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101 if (multi_type == Fl_File_Chooser::CREATE)
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102 fc.ok_label ("Save");
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103
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104 fc.show ();
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105
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106 while (fc.shown ())
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107 Fl::wait ();
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108
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109 if (fc.value ())
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110 {
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111 int file_count = fc.count ();
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112 std::string fname;
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113
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114 // FLTK uses forward slash even for Windows
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115 std::string sep = "/";
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116 std::size_t idx;
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117
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118 if (file_count == 1 && multi_type != Fl_File_Chooser::DIRECTORY)
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119 {
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120 fname = fc.value ();
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121 idx = fname.find_last_of (sep);
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122 retval(0) = fname.substr (idx + 1);
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123 }
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124 else
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125 {
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126 Cell file_cell = Cell (file_count, 1);
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127 for (octave_idx_type n = 1; n <= file_count; n++)
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128 {
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129 fname = fc.value (n);
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130 idx = fname.find_last_of (sep);
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131 file_cell(n - 1) = fname.substr (idx + 1);
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132 }
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133 retval(0) = file_cell;
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134 }
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135
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136 if (multi_type == Fl_File_Chooser::DIRECTORY)
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137 retval(0) = sys::file_ops::native_separator_path (std::string (fc.value ()));
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138 else
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139 {
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140 retval(1) = sys::file_ops::native_separator_path (std::string (fc.directory ()) + sep);
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141 retval(2) = fc.filter_value () + 1;
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142 }
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143 }
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144
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145 fc.hide ();
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146 Fl::flush ();
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147
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148 return retval;
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149
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150 #else
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151
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152 octave_unused_parameter (args);
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153
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154 err_disabled_feature ("__fltk_uigetfile__", "OpenGL and FLTK");
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155
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156 #endif
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157 }
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158
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159 /*
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160 ## No test needed for internal helper function.
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161 %!assert (1)
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162 */
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163
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164 OCTAVE_NAMESPACE_END