# HG changeset patch
# User John W. Eaton <jwe@octave.org>
# Date 1296379359 18000
# Node ID 3eb4049b5393e043cb3602b941b89521f7944b6a
# Parent  d1ab54dcec3885c06407834c8bda80618092a1a8
rename gnuplot_drawnow to __gnuplot_drawnow__

diff -r d1ab54dcec38 -r 3eb4049b5393 scripts/ChangeLog
--- a/scripts/ChangeLog	Sun Jan 30 03:34:01 2011 -0500
+++ b/scripts/ChangeLog	Sun Jan 30 04:22:39 2011 -0500
@@ -1,3 +1,9 @@
+2011-01-30  John W. Eaton  <jwe@octave.org>
+
+	* plot/__gnuplot_drawnow__.m: Rename from gnuplot_drawnow.m
+	Update doc string and error message with new name.
+	* plot/module.mk (plot_FCN_FILES): Update list.
+
 2011-01-30  Petr Mikulik  <mikulik@physics.muni.cz>
 
 	* plot/__fltk_ginput__.m (ginput_aggregator): New arg, button.
diff -r d1ab54dcec38 -r 3eb4049b5393 scripts/plot/__gnuplot_drawnow__.m
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/scripts/plot/__gnuplot_drawnow__.m	Sun Jan 30 04:22:39 2011 -0500
@@ -0,0 +1,388 @@
+## Copyright (C) 2005-2011 John W. Eaton
+##
+## This file is part of Octave.
+##
+## Octave 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 3 of the License, or (at
+## your option) any later version.
+##
+## Octave 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 Octave; see the file COPYING.  If not, see
+## <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## @deftypefn {Function File} {} __gnuplot_drawnow__ (@var{h}, @var{term}, @var{file}, @var{mono}, @var{debug_file})
+## Undocumented internal function.
+## @end deftypefn
+
+## Author: jwe
+
+function __gnuplot_drawnow__ (h, term, file, mono, debug_file)
+
+  if (nargin < 4)
+    mono = false;
+  endif
+
+  if (nargin >= 3 && nargin <= 5)
+    ## Produce various output formats, or redirect gnuplot stream to a
+    ## debug file.
+    plot_stream = [];
+    fid = [];
+    default_plot_stream = get (h, "__plot_stream__");
+    unwind_protect
+      plot_stream = __gnuplot_open_stream__ (2, h);
+      gnuplot_supports_term = __gnuplot_has_terminal__ (term, plot_stream);
+      if (gnuplot_supports_term)
+        enhanced = gnuplot_set_term (plot_stream (1), true, h, term, file);
+        __go_draw_figure__ (h, plot_stream(1), enhanced, mono);
+        if (nargin == 5)
+          fid = fopen (debug_file, "wb");
+          enhanced = gnuplot_set_term (fid, true, h, term, file);
+          __go_draw_figure__ (h, fid, enhanced, mono);
+        endif
+      else
+        error ("__gnuplot_drawnow__: the gnuplot terminal, \"%s\", is not available",
+               gnuplot_trim_term (term));
+      endif
+    unwind_protect_cleanup
+      set (h, "__plot_stream__", default_plot_stream);
+      if (! isempty (plot_stream))
+        pclose (plot_stream(1));
+        if (numel (plot_stream) > 1)
+          pclose (plot_stream(2));
+        endif
+        if (numel (plot_stream) > 2)
+          waitpid (plot_stream(3));
+        endif
+      endif
+      if (! isempty (fid))
+        fclose (fid);
+      endif
+    end_unwind_protect
+  elseif (nargin == 1)
+    ##  Graphics terminal for display.
+    plot_stream = get (h, "__plot_stream__");
+    if (isempty (plot_stream))
+      plot_stream = __gnuplot_open_stream__ (2, h);
+      new_stream = true;
+    else
+      new_stream = false;
+    endif
+    term = gnuplot_default_term ();
+    if (strcmp (term, "dumb"))
+      ## popen2 eats stdout of gnuplot, use temporary file instead
+      dumb_tmp_file = tmpnam ();
+      enhanced = gnuplot_set_term (plot_stream (1), new_stream, h, ...
+                                   term, dumb_tmp_file);
+    else
+      enhanced = gnuplot_set_term (plot_stream (1), new_stream, h, term);
+    endif
+    __go_draw_figure__ (h, plot_stream (1), enhanced, mono);
+    fflush (plot_stream (1));
+    if (strcmp (term, "dumb"))
+      fid = -1;
+      while (fid < 0)
+        pause (0.1);
+        fid = fopen (dumb_tmp_file, 'r');
+      endwhile
+      ## reprint the plot on screen
+      [a, count] = fscanf (fid, '%c', Inf);
+      fclose (fid);
+      if (count>0)
+        if (a(1)==12)
+          ## avoid ^L at the beginning
+          a = a(2:end);
+        endif
+        puts (a);
+      endif
+      unlink (dumb_tmp_file);
+    endif
+  else
+    print_usage ();
+  endif
+
+endfunction
+
+function enhanced = gnuplot_set_term (plot_stream, new_stream, h, term, file)
+  ## Generate the gnuplot "set terminal <term> ..." command.
+  ## When "term" originates from print.m, it may include other options.
+  if (nargin < 4)
+    ## This supports the gnuplot graphics toolkit.
+    term = gnuplot_default_term ();
+    opts_str = "";
+  else
+    ## Get the one word terminal id and save the remaining as options to
+    ## be passed on to gnuplot.  The terminal may respect the graphics
+    ## toolkit.
+    [term, opts_str] = gnuplot_trim_term (term);
+    term = lower (term);
+    if (strcmpi (term, "lua"))
+      ## Replace "lau tikz" with
+      term = "tikz";
+      opts_str = strrep (opts_str, "tikz", "");
+    endif
+  endif
+
+  if (strfind (opts_str, "noenhanced"))
+    enhanced = false;
+  else
+    enhanced = gnuplot_is_enhanced_term (term);
+  endif
+
+  ## Set the terminal.
+  if (! isempty (term))
+
+    if (enhanced)
+      enh_str = "enhanced";
+    else
+      enh_str = "";
+    endif
+
+    if (! isempty (h) && isfigure (h))
+
+      ## Generate gnuplot title string for plot windows.
+      if (output_to_screen (term) && ~strcmp (term, "dumb"))
+        fig.numbertitle = get (h, "numbertitle");
+        fig.name = get (h, "name");
+        if (strcmpi (get (h, "numbertitle"), "on"))
+          title_str = sprintf ("Figure %d", h);
+        else
+          title_str = "";
+        endif
+        if (! isempty (fig.name) && ! isempty (title_str))
+          title_str = sprintf ("%s: %s", title_str, fig.name);
+        elseif (! isempty (fig.name) && isempty (title_str))
+          title_str = fig.name;
+        endif
+        if (! isempty (title_str))
+          title_str = sprintf ("title \"%s\"", title_str);
+        endif
+        if (strcmp (term, "aqua"))
+          ## Adjust axes-label and tick-label spacing.
+          opts_str = sprintf ("%s font \"%s,%d\"", opts_str,
+                              get (0, "defaultaxesfontname"),
+                              get (0, "defaultaxesfontsize") / 1.5);
+        endif
+      else
+        title_str = "";
+      endif
+
+      if (! (any (strfind (opts_str, " size ") > 0)
+          || any (strfind (opts_str, "size ") == 1)))
+        ## Get figure size in pixels.  Rely on listener to handle coversion.
+        units = get (h, "units");
+        unwind_protect
+          set (h, "units", "pixels");
+          position_in_pixels = get (h, "position");
+        unwind_protect_cleanup
+          set (h, "units", units);
+        end_unwind_protect
+        gnuplot_pos = position_in_pixels(1:2);
+        gnuplot_size = position_in_pixels(3:4);
+        if (! (output_to_screen (term)
+               || any (strcmp (term, {"emf", "gif", "jpeg", "pbm", "png", ...
+                                      "pngcairo", "svg"}))))
+          ## Convert to inches
+          gnuplot_pos = gnuplot_pos / 72;
+          gnuplot_size = gnuplot_size / 72;
+        endif
+        if (all (gnuplot_size > 0))
+          terminals_with_size = {"canvas", "emf", "epslatex", "fig", ...
+                                 "gif", "jpeg", "latex", "pbm", "pdf", ...
+                                 "pdfcairo", "postscript", "png", "pngcairo", ...
+                                 "pstex", "pslatex", "svg", "tikz"};
+          if (__gnuplot_has_feature__ ("x11_figure_position"))
+            terminals_with_size{end+1} = "x11";
+          endif
+          if (__gnuplot_has_feature__ ("wxt_figure_size"))
+            terminals_with_size{end+1} = "wxt";
+          endif
+          switch (term)
+          case terminals_with_size
+            size_str = sprintf ("size %g,%g", gnuplot_size);
+          case "tikz"
+            size_str = sprintf ("size %gin,%gin", gnuplot_size);
+          case "dumb"
+            new_stream = 1;
+            if (~isempty (getenv ("COLUMNS")) && ~isempty (getenv ("LINES")))
+              ## Let dumb use full text screen size (minus prompt lines).
+              n = sprintf ("%i", -2 - length (find (sprintf ("%s", PS1) == "\n")));
+              ## n = the number of times \n appears in PS1
+              size_str = ["size ", getenv("COLUMNS"), ",", getenv("LINES"), n];
+            else
+              ## Use the gnuplot default.
+              size_str = "";
+            endif
+          case {"aqua", "fig", "corel"}
+            size_str = sprintf ("size %g %g", gnuplot_size);
+          case "dxf"
+            size_str = "";
+          otherwise
+            size_str = "";
+          endswitch
+          if (strncmpi (term, "x11", 3)
+              && __gnuplot_has_feature__ ("x11_figure_position"))
+            ## X11 allows the window to be positioned as well.
+            units = get (0, "units");
+            unwind_protect
+              set (0, "units", "pixels");
+              screen_size = get (0, "screensize")(3:4);
+            unwind_protect_cleanup
+              set (0, "units", units);
+            end_unwind_protect
+            if (all (screen_size > 0))
+              ## For X11, set the figure positon as well as the size
+              ## gnuplot position is UL, Octave's is LL (same for screen/window)
+              gnuplot_pos(2) = screen_size(2) - gnuplot_pos(2) - gnuplot_size(2);
+              gnuplot_pos = max (gnuplot_pos, 1);
+              size_str = sprintf ("%s position %d,%d", size_str,
+                                  gnuplot_pos(1), gnuplot_pos(2));
+            endif
+          endif
+        else
+          size_str = "";
+          warning ("gnuplot_set_term: size is zero");
+        endif
+      else
+        ## A specified size take priority over the figure properies.
+        size_str = "";
+      endif
+    else
+      if isempty (h)
+        disp ("gnuplot_set_term: figure handle is empty");
+      elseif !isfigure(h)
+        disp ("gnuplot_set_term: not a figure handle");
+      endif
+      title_str = "";
+      size_str = "";
+    endif
+
+    ## Set the gnuplot terminal (type, enhanced, title, options & size).
+    term_str = sprintf ("set terminal %s", term);
+    if (! isempty (enh_str))
+      term_str = sprintf ("%s %s", term_str, enh_str);
+    endif
+    if (! isempty (title_str))
+      term_str = sprintf ("%s %s", term_str, title_str);
+    endif
+    if (isempty (strfind (term, "corel")))
+      if (! isempty (size_str) && new_stream)
+        ## size_str comes after other options to permit specification of
+        ## the canvas size for terminals cdr/corel.
+        term_str = sprintf ("%s %s", term_str, size_str);
+      endif
+      if (nargin > 3 && ischar (opts_str))
+        ## Options must go last.
+        term_str = sprintf ("%s %s", term_str, opts_str);
+      endif
+    else
+      if (nargin > 3 && ischar (opts_str))
+        ## Options must go last.
+        term_str = sprintf ("%s %s", term_str, opts_str);
+      endif
+      if (! isempty (size_str) && new_stream)
+        ## size_str comes after other options to permit specification of
+        ## the canvas size for terminals cdr/corel.
+        term_str = sprintf ("%s %s", term_str, size_str);
+      endif
+    endif
+
+    ## Work around the gnuplot feature of growing the x11 window and
+    ## flickering window (x11, windows, & wxt) when the mouse and
+    ## multiplot are set in gnuplot.
+    fputs (plot_stream, "unset multiplot;\n");
+    flickering_terms = {"x11", "windows", "wxt", "dumb"};
+    if (! any (strcmp (term, flickering_terms))
+        || have_non_legend_axes (h)
+        || numel (findall (h, "type", "image")) > 0)
+      fprintf (plot_stream, "%s\n", term_str);
+      if (nargin == 5)
+        if (! isempty (file))
+          fprintf (plot_stream, "set output '%s';\n", file);
+        endif
+      endif
+      fputs (plot_stream, "set multiplot;\n");
+    elseif (any (strcmp (term, flickering_terms)))
+      fprintf (plot_stream, "%s\n", term_str);
+      if (nargin == 5)
+        if (! isempty (file))
+          fprintf (plot_stream, "set output '%s';\n", file);
+        endif
+      endif
+    endif
+  else
+    ## gnuplot will pick up the GNUTERM environment variable itself
+    ## so no need to set the terminal type if not also setting the
+    ## figure title, enhanced mode, or position.
+  endif
+
+endfunction
+
+function term = gnuplot_default_term ()
+  term = getenv ("GNUTERM");
+  ## If not specified, guess the terminal type.
+  if (isempty (term))
+    if (ismac ())
+      term = "aqua";
+    elseif (! isunix ())
+      term = "windows";
+    elseif (! isempty (getenv ("DISPLAY")))
+      term = "x11";
+    else
+      term = "dumb";
+    endif
+  endif
+endfunction
+
+function [term, opts] = gnuplot_trim_term (string)
+  ## Extract the terminal type and terminal options (from print.m)
+  string = deblank (string);
+  n = strfind (string, ' ');
+  if (isempty (n))
+    term = string;
+    opts = "";
+  else
+    term = string(1:(n-1));
+    opts = string((n+1):end);
+  endif
+endfunction
+
+function have_enhanced = gnuplot_is_enhanced_term (term)
+  persistent enhanced_terminals;
+  if (isempty (enhanced_terminals))
+    ## Don't include pstex, pslatex or epslatex here as the TeX commands
+    ## should not be interpreted in that case.
+    enhanced_terminals = {"aqua", "canvas", "dumb", "emf", "gif", "jpeg", ...
+                          "pdf", "pdfcairo", "pm", "png", "pngcairo", ...
+                          "postscript", "svg", "windows", "wxt", "x11"};
+  endif
+  if (nargin < 1)
+    ## Determine the default gnuplot terminal.
+    term = gnuplot_default_term ();
+  endif
+  have_enhanced = any (strncmp (enhanced_terminals, term, min (numel (term), 3)));
+endfunction
+
+function ret = output_to_screen (term)
+  ret = any (strcmpi ({"aqua", "dumb", "wxt", "x11", "windows", "pm"}, term));
+endfunction
+
+function retval = have_non_legend_axes (h)
+  retval = false;
+  all_axes = findall (h, "type", "axes");
+  if (! isempty (all_axes))
+    n_all_axes = numel (all_axes);
+    all_axes_tags = get (all_axes, "tag");
+    legend_axes = strcmp (all_axes_tags, "legend");
+    if (! isempty (legend_axes))
+      n_legend_axes = sum (legend_axes);
+      retval = (n_all_axes - n_legend_axes) > 1;
+    endif
+  endif
+endfunction
diff -r d1ab54dcec38 -r 3eb4049b5393 scripts/plot/gnuplot_drawnow.m
--- a/scripts/plot/gnuplot_drawnow.m	Sun Jan 30 03:34:01 2011 -0500
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,392 +0,0 @@
-## Copyright (C) 2005-2011 John W. Eaton
-##
-## This file is part of Octave.
-##
-## Octave 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 3 of the License, or (at
-## your option) any later version.
-##
-## Octave 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 Octave; see the file COPYING.  If not, see
-## <http://www.gnu.org/licenses/>.
-
-## -*- texinfo -*-
-## @deftypefn {Function File} {} drawnow ()
-## Update and display the current graphics.
-##
-## Octave automatically calls drawnow just before printing a prompt,
-## when @code{sleep} or @code{pause} is called, or while waiting for
-## command-line input.
-## @end deftypefn
-
-## Author: jwe
-
-function gnuplot_drawnow (h, term, file, mono, debug_file)
-
-  if (nargin < 4)
-    mono = false;
-  endif
-
-  if (nargin >= 3 && nargin <= 5)
-    ## Produce various output formats, or redirect gnuplot stream to a
-    ## debug file.
-    plot_stream = [];
-    fid = [];
-    default_plot_stream = get (h, "__plot_stream__");
-    unwind_protect
-      plot_stream = __gnuplot_open_stream__ (2, h);
-      gnuplot_supports_term = __gnuplot_has_terminal__ (term, plot_stream);
-      if (gnuplot_supports_term)
-        enhanced = gnuplot_set_term (plot_stream (1), true, h, term, file);
-        __go_draw_figure__ (h, plot_stream(1), enhanced, mono);
-        if (nargin == 5)
-          fid = fopen (debug_file, "wb");
-          enhanced = gnuplot_set_term (fid, true, h, term, file);
-          __go_draw_figure__ (h, fid, enhanced, mono);
-        endif
-      else
-        error ("gnuplot_drawnow: the gnuplot terminal, \"%s\", is not available",
-               gnuplot_trim_term (term));
-      endif
-    unwind_protect_cleanup
-      set (h, "__plot_stream__", default_plot_stream);
-      if (! isempty (plot_stream))
-        pclose (plot_stream(1));
-        if (numel (plot_stream) > 1)
-          pclose (plot_stream(2));
-        endif
-        if (numel (plot_stream) > 2)
-          waitpid (plot_stream(3));
-        endif
-      endif
-      if (! isempty (fid))
-        fclose (fid);
-      endif
-    end_unwind_protect
-  elseif (nargin == 1)
-    ##  Graphics terminal for display.
-    plot_stream = get (h, "__plot_stream__");
-    if (isempty (plot_stream))
-      plot_stream = __gnuplot_open_stream__ (2, h);
-      new_stream = true;
-    else
-      new_stream = false;
-    endif
-    term = gnuplot_default_term ();
-    if (strcmp (term, "dumb"))
-      ## popen2 eats stdout of gnuplot, use temporary file instead
-      dumb_tmp_file = tmpnam ();
-      enhanced = gnuplot_set_term (plot_stream (1), new_stream, h, ...
-                                   term, dumb_tmp_file);
-    else
-      enhanced = gnuplot_set_term (plot_stream (1), new_stream, h, term);
-    endif
-    __go_draw_figure__ (h, plot_stream (1), enhanced, mono);
-    fflush (plot_stream (1));
-    if (strcmp (term, "dumb"))
-      fid = -1;
-      while (fid < 0)
-        pause (0.1);
-        fid = fopen (dumb_tmp_file, 'r');
-      endwhile
-      ## reprint the plot on screen
-      [a, count] = fscanf (fid, '%c', Inf);
-      fclose (fid);
-      if (count>0)
-        if (a(1)==12)
-          ## avoid ^L at the beginning
-          a = a(2:end);
-        endif
-        puts (a);
-      endif
-      unlink (dumb_tmp_file);
-    endif
-  else
-    print_usage ();
-  endif
-
-endfunction
-
-function enhanced = gnuplot_set_term (plot_stream, new_stream, h, term, file)
-  ## Generate the gnuplot "set terminal <term> ..." command.
-  ## When "term" originates from print.m, it may include other options.
-  if (nargin < 4)
-    ## This supports the gnuplot graphics toolkit.
-    term = gnuplot_default_term ();
-    opts_str = "";
-  else
-    ## Get the one word terminal id and save the remaining as options to
-    ## be passed on to gnuplot.  The terminal may respect the graphics
-    ## toolkit.
-    [term, opts_str] = gnuplot_trim_term (term);
-    term = lower (term);
-    if (strcmpi (term, "lua"))
-      ## Replace "lau tikz" with
-      term = "tikz";
-      opts_str = strrep (opts_str, "tikz", "");
-    endif
-  endif
-
-  if (strfind (opts_str, "noenhanced"))
-    enhanced = false;
-  else
-    enhanced = gnuplot_is_enhanced_term (term);
-  endif
-
-  ## Set the terminal.
-  if (! isempty (term))
-
-    if (enhanced)
-      enh_str = "enhanced";
-    else
-      enh_str = "";
-    endif
-
-    if (! isempty (h) && isfigure (h))
-
-      ## Generate gnuplot title string for plot windows.
-      if (output_to_screen (term) && ~strcmp (term, "dumb"))
-        fig.numbertitle = get (h, "numbertitle");
-        fig.name = get (h, "name");
-        if (strcmpi (get (h, "numbertitle"), "on"))
-          title_str = sprintf ("Figure %d", h);
-        else
-          title_str = "";
-        endif
-        if (! isempty (fig.name) && ! isempty (title_str))
-          title_str = sprintf ("%s: %s", title_str, fig.name);
-        elseif (! isempty (fig.name) && isempty (title_str))
-          title_str = fig.name;
-        endif
-        if (! isempty (title_str))
-          title_str = sprintf ("title \"%s\"", title_str);
-        endif
-        if (strcmp (term, "aqua"))
-          ## Adjust axes-label and tick-label spacing.
-          opts_str = sprintf ("%s font \"%s,%d\"", opts_str,
-                              get (0, "defaultaxesfontname"),
-                              get (0, "defaultaxesfontsize") / 1.5);
-        endif
-      else
-        title_str = "";
-      endif
-
-      if (! (any (strfind (opts_str, " size ") > 0)
-          || any (strfind (opts_str, "size ") == 1)))
-        ## Get figure size in pixels.  Rely on listener to handle coversion.
-        units = get (h, "units");
-        unwind_protect
-          set (h, "units", "pixels");
-          position_in_pixels = get (h, "position");
-        unwind_protect_cleanup
-          set (h, "units", units);
-        end_unwind_protect
-        gnuplot_pos = position_in_pixels(1:2);
-        gnuplot_size = position_in_pixels(3:4);
-        if (! (output_to_screen (term)
-               || any (strcmp (term, {"emf", "gif", "jpeg", "pbm", "png", ...
-                                      "pngcairo", "svg"}))))
-          ## Convert to inches
-          gnuplot_pos = gnuplot_pos / 72;
-          gnuplot_size = gnuplot_size / 72;
-        endif
-        if (all (gnuplot_size > 0))
-          terminals_with_size = {"canvas", "emf", "epslatex", "fig", ...
-                                 "gif", "jpeg", "latex", "pbm", "pdf", ...
-                                 "pdfcairo", "postscript", "png", "pngcairo", ...
-                                 "pstex", "pslatex", "svg", "tikz"};
-          if (__gnuplot_has_feature__ ("x11_figure_position"))
-            terminals_with_size{end+1} = "x11";
-          endif
-          if (__gnuplot_has_feature__ ("wxt_figure_size"))
-            terminals_with_size{end+1} = "wxt";
-          endif
-          switch (term)
-          case terminals_with_size
-            size_str = sprintf ("size %g,%g", gnuplot_size);
-          case "tikz"
-            size_str = sprintf ("size %gin,%gin", gnuplot_size);
-          case "dumb"
-            new_stream = 1;
-            if (~isempty (getenv ("COLUMNS")) && ~isempty (getenv ("LINES")))
-              ## Let dumb use full text screen size (minus prompt lines).
-              n = sprintf ("%i", -2 - length (find (sprintf ("%s", PS1) == "\n")));
-              ## n = the number of times \n appears in PS1
-              size_str = ["size ", getenv("COLUMNS"), ",", getenv("LINES"), n];
-            else
-              ## Use the gnuplot default.
-              size_str = "";
-            endif
-          case {"aqua", "fig", "corel"}
-            size_str = sprintf ("size %g %g", gnuplot_size);
-          case "dxf"
-            size_str = "";
-          otherwise
-            size_str = "";
-          endswitch
-          if (strncmpi (term, "x11", 3)
-              && __gnuplot_has_feature__ ("x11_figure_position"))
-            ## X11 allows the window to be positioned as well.
-            units = get (0, "units");
-            unwind_protect
-              set (0, "units", "pixels");
-              screen_size = get (0, "screensize")(3:4);
-            unwind_protect_cleanup
-              set (0, "units", units);
-            end_unwind_protect
-            if (all (screen_size > 0))
-              ## For X11, set the figure positon as well as the size
-              ## gnuplot position is UL, Octave's is LL (same for screen/window)
-              gnuplot_pos(2) = screen_size(2) - gnuplot_pos(2) - gnuplot_size(2);
-              gnuplot_pos = max (gnuplot_pos, 1);
-              size_str = sprintf ("%s position %d,%d", size_str,
-                                  gnuplot_pos(1), gnuplot_pos(2));
-            endif
-          endif
-        else
-          size_str = "";
-          warning ("gnuplot_set_term: size is zero");
-        endif
-      else
-        ## A specified size take priority over the figure properies.
-        size_str = "";
-      endif
-    else
-      if isempty (h)
-        disp ("gnuplot_set_term: figure handle is empty");
-      elseif !isfigure(h)
-        disp ("gnuplot_set_term: not a figure handle");
-      endif
-      title_str = "";
-      size_str = "";
-    endif
-
-    ## Set the gnuplot terminal (type, enhanced, title, options & size).
-    term_str = sprintf ("set terminal %s", term);
-    if (! isempty (enh_str))
-      term_str = sprintf ("%s %s", term_str, enh_str);
-    endif
-    if (! isempty (title_str))
-      term_str = sprintf ("%s %s", term_str, title_str);
-    endif
-    if (isempty (strfind (term, "corel")))
-      if (! isempty (size_str) && new_stream)
-        ## size_str comes after other options to permit specification of
-        ## the canvas size for terminals cdr/corel.
-        term_str = sprintf ("%s %s", term_str, size_str);
-      endif
-      if (nargin > 3 && ischar (opts_str))
-        ## Options must go last.
-        term_str = sprintf ("%s %s", term_str, opts_str);
-      endif
-    else
-      if (nargin > 3 && ischar (opts_str))
-        ## Options must go last.
-        term_str = sprintf ("%s %s", term_str, opts_str);
-      endif
-      if (! isempty (size_str) && new_stream)
-        ## size_str comes after other options to permit specification of
-        ## the canvas size for terminals cdr/corel.
-        term_str = sprintf ("%s %s", term_str, size_str);
-      endif
-    endif
-
-    ## Work around the gnuplot feature of growing the x11 window and
-    ## flickering window (x11, windows, & wxt) when the mouse and
-    ## multiplot are set in gnuplot.
-    fputs (plot_stream, "unset multiplot;\n");
-    flickering_terms = {"x11", "windows", "wxt", "dumb"};
-    if (! any (strcmp (term, flickering_terms))
-        || have_non_legend_axes (h)
-        || numel (findall (h, "type", "image")) > 0)
-      fprintf (plot_stream, "%s\n", term_str);
-      if (nargin == 5)
-        if (! isempty (file))
-          fprintf (plot_stream, "set output '%s';\n", file);
-        endif
-      endif
-      fputs (plot_stream, "set multiplot;\n");
-    elseif (any (strcmp (term, flickering_terms)))
-      fprintf (plot_stream, "%s\n", term_str);
-      if (nargin == 5)
-        if (! isempty (file))
-          fprintf (plot_stream, "set output '%s';\n", file);
-        endif
-      endif
-    endif
-  else
-    ## gnuplot will pick up the GNUTERM environment variable itself
-    ## so no need to set the terminal type if not also setting the
-    ## figure title, enhanced mode, or position.
-  endif
-
-endfunction
-
-function term = gnuplot_default_term ()
-  term = getenv ("GNUTERM");
-  ## If not specified, guess the terminal type.
-  if (isempty (term))
-    if (ismac ())
-      term = "aqua";
-    elseif (! isunix ())
-      term = "windows";
-    elseif (! isempty (getenv ("DISPLAY")))
-      term = "x11";
-    else
-      term = "dumb";
-    endif
-  endif
-endfunction
-
-function [term, opts] = gnuplot_trim_term (string)
-  ## Extract the terminal type and terminal options (from print.m)
-  string = deblank (string);
-  n = strfind (string, ' ');
-  if (isempty (n))
-    term = string;
-    opts = "";
-  else
-    term = string(1:(n-1));
-    opts = string((n+1):end);
-  endif
-endfunction
-
-function have_enhanced = gnuplot_is_enhanced_term (term)
-  persistent enhanced_terminals;
-  if (isempty (enhanced_terminals))
-    ## Don't include pstex, pslatex or epslatex here as the TeX commands
-    ## should not be interpreted in that case.
-    enhanced_terminals = {"aqua", "canvas", "dumb", "emf", "gif", "jpeg", ...
-                          "pdf", "pdfcairo", "pm", "png", "pngcairo", ...
-                          "postscript", "svg", "windows", "wxt", "x11"};
-  endif
-  if (nargin < 1)
-    ## Determine the default gnuplot terminal.
-    term = gnuplot_default_term ();
-  endif
-  have_enhanced = any (strncmp (enhanced_terminals, term, min (numel (term), 3)));
-endfunction
-
-function ret = output_to_screen (term)
-  ret = any (strcmpi ({"aqua", "dumb", "wxt", "x11", "windows", "pm"}, term));
-endfunction
-
-function retval = have_non_legend_axes (h)
-  retval = false;
-  all_axes = findall (h, "type", "axes");
-  if (! isempty (all_axes))
-    n_all_axes = numel (all_axes);
-    all_axes_tags = get (all_axes, "tag");
-    legend_axes = strcmp (all_axes_tags, "legend");
-    if (! isempty (legend_axes))
-      n_legend_axes = sum (legend_axes);
-      retval = (n_all_axes - n_legend_axes) > 1;
-    endif
-  endif
-endfunction
diff -r d1ab54dcec38 -r 3eb4049b5393 scripts/plot/module.mk
--- a/scripts/plot/module.mk	Sun Jan 30 03:34:01 2011 -0500
+++ b/scripts/plot/module.mk	Sun Jan 30 04:22:39 2011 -0500
@@ -35,10 +35,13 @@
 
 plot_FCN_FILES = \
   plot/__fltk_ginput__.m \
+  plot/__fltk_print__.m \
+  plot/__gnuplot_drawnow__.m \
   plot/__gnuplot_get_var__.m \
   plot/__gnuplot_ginput__.m \
   plot/__gnuplot_has_feature__.m \
   plot/__gnuplot_open_stream__.m \
+  plot/__gnuplot_print__.m \
   plot/__gnuplot_version__.m \
   plot/__go_close_all__.m \
   plot/__go_draw_axes__.m \
@@ -47,12 +50,12 @@
   plot/__next_line_color__.m \
   plot/__next_line_style__.m \
   plot/__plt_get_axis_arg__.m \
+  plot/__print_parse_opts__.m \
   plot/allchild.m \
   plot/ancestor.m \
   plot/area.m \
   plot/axes.m \
   plot/axis.m \
-  plot/graphics_toolkit.m \
   plot/bar.m \
   plot/barh.m \
   plot/box.m \
@@ -95,7 +98,7 @@
   plot/gcbo.m \
   plot/gcf.m \
   plot/ginput.m \
-  plot/gnuplot_drawnow.m \
+  plot/graphics_toolkit.m \
   plot/grid.m \
   plot/gtext.m \
   plot/hggroup.m \
@@ -134,9 +137,6 @@
   plot/plotyy.m \
   plot/polar.m \
   plot/print.m \
-  plot/__gnuplot_print__.m \
-  plot/__fltk_print__.m \
-  plot/__print_parse_opts__.m \
   plot/quiver.m \
   plot/quiver3.m \
   plot/refresh.m \
@@ -170,8 +170,8 @@
   plot/title.m \
   plot/uigetdir.m \
   plot/uigetfile.m \
+  plot/uimenu.m \
   plot/uiputfile.m \
-  plot/uimenu.m \
   plot/view.m \
   plot/waitforbuttonpress.m \
   plot/whitebg.m \
diff -r d1ab54dcec38 -r 3eb4049b5393 src/ChangeLog
--- a/src/ChangeLog	Sun Jan 30 03:34:01 2011 -0500
+++ b/src/ChangeLog	Sun Jan 30 04:22:39 2011 -0500
@@ -1,3 +1,9 @@
+2011-01-30  John W. Eaton  <jwe@octave.org>
+
+	* graphics.cc (gnuplot_toolkit::redraw): Call __gnuplot_drawnow__,
+	not gnuplot_drawnow.
+	(gnuplot_toolkit::print_figure): Likewise.
+
 2011-01-30  John W. Eaton  <jwe@octave.org>
 
 	* Makefile.am (OCTAVE_LIBS): Remove $(ARPACK_LDFLAGS) and
diff -r d1ab54dcec38 -r 3eb4049b5393 src/graphics.cc
--- a/src/graphics.cc	Sun Jan 30 03:34:01 2011 -0500
+++ b/src/graphics.cc	Sun Jan 30 04:22:39 2011 -0500
@@ -2340,7 +2340,7 @@
     {
       octave_value_list args;
       args(0) = go.get_handle ().as_octave_value ();
-      feval ("gnuplot_drawnow", args);
+      feval ("__gnuplot_drawnow__", args);
     }
 
   void print_figure (const graphics_object& go, const std::string& term,
@@ -2354,7 +2354,7 @@
       args(2) = file;
       args(1) = term;
       args(0) = go.get_handle ().as_octave_value ();
-      feval ("gnuplot_drawnow", args);
+      feval ("__gnuplot_drawnow__", args);
     }
 
   Matrix get_canvas_size (const graphics_handle&) const