Add a useful package (from Source forge) for octave

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

diff --git a/octave_packages/zenity-0.5.7/zenity_calendar.m b/octave_packages/zenity-0.5.7/zenity_calendar.m
new file mode 100644 (file)
index 0000000..ed29cbf
--- /dev/null
+++ b/octave_packages/zenity-0.5.7/zenity_calendar.m
@@ -0,0 +1,48 @@
+## 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{d} = zenity_calendar(@var{title}, @var{day}, @var{month}, @var{year})
+## Displays a date selection window.
+## The variable @var{title} sets the title of the calendar.
+## The optional arguments @var{day}, @var{month}, and @var{year} changes
+## the standard selected date.
+##
+## @seealso{zenity_list, zenity_progress, zenity_entry, zenity_message,
+## zenity_text_info, zenity_file_selection, zenity_notification}
+## @end deftypefn
+
+function d = zenity_calendar(title, day, month, year)
+  [Y, M, D] = datevec(date);
+  if (nargin < 1), title = "Select a date"; endif
+  if (nargin < 2), day   = D; endif
+  if (nargin < 3), month = M; endif
+  if (nargin < 4), year  = Y; endif
+  
+  cmd = sprintf(['zenity --calendar --title="%s" --text="%s" ', ...
+                 '--day=%d --month=%d --year=%d --date-format="%%m/%%d/%%Y"'],
+                 title, title, day, month, year);
+  [status, output] = system(cmd);
+  if (status == 0)
+    if (length(output) > 0 && output(end) == "\n")
+      output = output(1:end-1);
+    endif
+    d = datestr(output);
+  elseif (status == 1)
+    d = "";
+  else
+    error("zenity_calendar: %s", output);
+  endif
+endfunction