MATLAB: Trigger buttons from other pop-up menu/button in GUI

guiMATLAB and Simulink Student Suitetrigger button

Hi,

I want to use a pop-up menu/radio button to trigger other pop-up menu/radio button. For example, if I choose A option in a pop-up menu, a radio button will show up or become brighter and allow the user to choose it. But if I choose B option, the radio button will disappear or become darker and not allow the user to choose it.

The version I'm using is MATLAB R2013b. I wonder if anyone could give me some clues? Thank you very much!

Best Answer

The 'enable' property of a uicontrol is usually used for this. If you really want to you can change the 'visible' property, but this can look odd since it just leaves blank space, but both work the same way with 'On' or 'Off' options, just that the first greys it out, the second hides it completely.

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MATLAB: Gui pop up menu selection

In your radio button (actually the button group since you must have 4 exclusive radio buttons) SelectionChangeFcn callback function:

Tag=get(hObject,'Tag')
switch Tag
case 'radiobutton1'
      ctqString= {'Option0'; 'Option1'; 'Option 2'; 'Option3'};
case 'radiobutton2'
      ctqString= {'Option10'; 'Option11'; 'Option 12'};
end
set(handles.ctqMenu,'String',ctqString);

MATLAB: Pop-Up menu help

Vlad - assuming that you are using GUIDE to create your GUI, suppose your five popup menus are named popupmenu1, popupmenu2,..., popupmenu5. If we assume that only numeric data has populated each of your popup menus, then the callback for your push button would look something like

 function pushbutton1_Callback(hObject, eventdata, handles)
 % get the list of items in the first popup menu
 menu1List = get(handles.popupmenu1,'String');
 % get the selected item in the first popup menu and convert to a number
 menu1Item = str2num(menu1List{get(handles.popupmenu1,'Value')});

You would then just repeat the above code for the remaining four popup menus and do whatever operation you need against them.

Best Answer

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MATLAB: Gui pop up menu selection

MATLAB: Pop-Up menu help

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