Add a useful package (from Source forge) for octave

[CreaPhase.git] / octave_packages / zenity-0.5.7 / zenity_text_info.m

diff --git a/octave_packages/zenity-0.5.7/zenity_text_info.m b/octave_packages/zenity-0.5.7/zenity_text_info.m
new file mode 100644 (file)
index 0000000..833dbf7
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+++ b/octave_packages/zenity-0.5.7/zenity_text_info.m
@@ -0,0 +1,54 @@
+## Copyright (C) 2006 Søren Hauberg
+## 
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 2 of the License, or
+## (at your option) any later version.
+## 
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+## 
+## You should have received a copy of the GNU General Public License
+## along with this program; If not, see <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## @deftypefn  {Function File} @var{s} = zenity_text_info(@var{title}, @var{text}, @var{editable})
+## Display a large amount of text in a graphical display.
+## The title of the display window is set with the variable @var{title},
+## and the actual text ti display is set with the variable @var{text}.
+## If the optional argument @var{editable} is given the displayed text
+## is editable. In this case the altered text is returned from the function.
+##
+## @seealso{zenity_calendar, zenity_list, zenity_progress, zenity_entry, zenity_message,
+## zenity_file_selection, zenity_notification}
+## @end deftypefn
+
+function s = zenity_text_info(title, text, editable)
+  if (nargin < 2 || !ischar(title) || !ischar(text))
+    print_usage();
+  endif
+
+  if (nargin < 3)
+    editable = "--editable";
+  else
+    editable = "";
+  endif
+  
+  filename = tmpnam();
+  fid = fopen(filename, "w");
+  fprintf(fid, "%s", text);
+  fclose(fid);
+  
+  cmd = sprintf('zenity --text-info --title="%s" --filename="%s" %s', title, filename, editable);
+  [status, output] = system(cmd);
+  unlink(filename);
+  if (status == 0)
+    s = output;
+  elseif (status == 1)
+    s = "";
+  else
+    error("zenity_text_info: %s", output);
+  endif
+endfunction