Support calling Emacs from MATLAB via edit commands.

toolbox/emacsinit.m

@@ -0,0 +1,21 @@
+function emacsinit(clientcommand)
+% EMACSINIT Initialize the current MATLAB session for matlab-shell-mode
+    
+    if usejava('jvm')
+        % Disable built-in editor showing up for debugging
+        com.mathworks.services.Prefs.setBooleanPref('EditorGraphicalDebugging', false);
+        % Disable the built-in editor for normal editing
+        com.mathworks.services.Prefs.setBooleanPref('EditorBuiltinEditor', false);
+        % Use emacsclient no-wait to send edit requests to a
+        % running emacs.
+        if nargin == 0
+            clientcommand = 'emacsclient -n';
+        end
+        com.mathworks.services.Prefs.setStringPref('EditorOtherEditor', clientcommand);
+    end
+
+    % Use the desktop hotlinking system in MATLAB Shell.  matlab-shell
+    % will interpret them, and provide clickable areas.
+    % NOTE: This doesn't work in all cases where HotLinks are used.
+    feature('HotLinks','on');
+end

toolbox/opentoline.m

@@ -0,0 +1,25 @@
+function opentoline(file, line, column)
+%OPENTOLINE Open to specified line in function file in Emacs.
+%   This is a hack to override the built-in opentoline program in MATLAB.
+%
+%   Remove this M file from your path to get the old behavior.
+
+    editor = system_dependent('getpref', 'EditorOtherEditor');
+    editor = editor(2:end);
+    
+    if nargin==3
+        linecol = sprintf('+%d:%d',line,column);
+    else
+        linecol = sprintf('+%d',line);
+    end
+    
+    if ispc
+        % On Windows, we need to wrap the editor command in double quotes
+        % in case it contains spaces
+        system(['"' editor '" "' linecol '" "' file '"&']);
+    else
+        % On UNIX, we don't want to use quotes in case the user's editor
+        % command contains arguments (like "xterm -e vi")
+        system([editor ' "' linecol '" "' file '" &']);
+    end
+end