--- /dev/null
+## 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} zenity_file_selection(@var{title}, @var{option1}, ...)
+## Opens a file selection dialog.
+## The variable @var{title} sets the title of the file selection window.
+## The optional string arguments can be
+## @table @samp
+## @item save
+## The file selection dialog is a dialog for saving files.
+## @item multiple
+## It is possible to select multiple files.
+## @item directory
+## It is possible to select directories as well as files.
+## @item Anything else
+## The argument will be the default selected file.
+## @end table
+## and @code{error}.
+##
+## @seealso{zenity_calendar, zenity_list, zenity_progress, zenity_entry, zenity_message,
+## zenity_text_info, zenity_notification}
+## @end deftypefn
+
+function files = zenity_file_selection(title, varargin)
+
+ save = multiple = directory = filename = title = "";
+ if (nargin == 0 || isempty(title)), title = "Select a file"; endif
+ for i = 1:length(varargin)
+ option = varargin{i};
+ isc = ischar(option);
+ if (isc && strcmpi(option, "save"))
+ save = "--save";
+ elseif (isc && strcmpi(option, "multiple"))
+ multiple = "--multiple";
+ elseif (isc && strcmpi(option, "directory"))
+ directory = "--directory";
+ elseif (isc)
+ filename = sprintf('--filename="%s"', varargin{i});
+ else
+ error("zenity_file_selection: unsupported option");
+ endif
+ endfor
+
+ cmd = sprintf('zenity --file-selection --title="%s" --separator=":" %s %s %s %s', ...
+ title, save, multiple, directory, filename);
+ [status, output] = system(cmd);
+ if (status == 0)
+ if (length(output) > 0 && output(end) == "\n")
+ output = output(1:end-1);
+ endif
+ idx = strfind(output, ":");
+ idx = [0, idx, length(output)+1];
+ l = length(idx);
+ if (l == 2)
+ files = output;
+ else
+ files = cell(1, l-1);
+ for i = 1:l-1
+ files{i} = output((idx(i)+1):(idx(i+1)-1));
+ endfor
+ endif
+ elseif (status == 1)
+ files = "";
+ else
+ error("zenity_file_selection: %s", output);
+ endif
+endfunction