esfit: support log box context menu <=R2016b

easyspin/esfit.m

@@ -2182,26 +2182,24 @@ function setupGUI(data)
     'FontWeight','bold','String','Log',...
     'Tooltip','Fitting information and error log',...
     'HorizontalAl','left');
-try
-  copymenu = uicontextmenu(hFig);
-  uimenu(copymenu,'Text','Copy to clipboard','Callback',@copyLog);
-  uicontrol('Parent',hFig,'Style','listbox','Tag','LogBox',...
-    'Position',[Logx0 Logy0 Logw Logh],...
-    'String',{''},'Tooltip','',...
-    'HorizontalAlignment','left',...
-    'Min',0,'Max',2,...
-    'Value',[],'Enable','inactive',...
-    'ContextMenu',copymenu,...
-    'BackgroundColor',[1 1 1])
-catch
-  uicontrol('Parent',hFig,'Style','listbox','Tag','LogBox',...
+hLogBox = uicontrol('Parent',hFig,'Style','listbox','Tag','LogBox',...
     'Position',[Logx0 Logy0 Logw Logh],...
     'String',{''},'Tooltip','',...
     'HorizontalAlignment','left',...
     'Min',0,'Max',2,...
     'Value',[],'Enable','inactive',...
-    'BackgroundColor',[1 1 1])
-  warning('Could not create context menu for copying log to clipboard.')
+    'BackgroundColor',[1 1 1]);
+
+copymenu = uicontextmenu(hFig);
+
+if ~verLessThan('Matlab','9.2')  % >R2016b
+  % In R2016b, uimenu does not support Text, and uicontrol does
+  % not support ContextMenu.
+  uimenu(copymenu,'Text','Copy to clipboard','Callback',@copyLog);
+  hLogBox.ContextMenu = copymenu;
+else
+  uimenu(copymenu,'Label','Copy to clipboard','Callback',@copyLog);
+  hLogBox.UIContextMenu = copymenu;
 end
 
 drawnow