MATLAB: Edit Text set “String” value constant while GUI is running..

edit textMATLABpushbutton

Hi all, think about a GUI including pop-up menu, edit text and pushbutton and Pop-up menu consists of 4 rows of variables, such as A,B,C, and D. When i choose each letter from the pop-up menu, it writes double (or string) to edit text. when i click the push button, some mathematical equations calculated behind the gui.

My question is how can i set the variable constant (or Static) while the gui is running ? For example, when you choose A ,it sets 500 to editbox1 (set(handles.editbox1,'String',xxx)), but in GUi you can change the number (510 for instance) before you clicked the pushbutton. Thanks.

Best Answer

You can set the "Enable" property of the UICONTROL to 'off' to block editing.

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MATLAB: Put a % sign inside of an ‘edit text’ box behind a number in the box

What about reading the inital number in the callback and appending a % afterwards. Then it does not matter if the user types "75" or "75%", or even "75 hello again, how are you?!":

uicontrol('Style', 'edit', 'String', '75 %', ...
          'Callback', @addPercentCB);
...
function addPercentCB(ObjectH, EventData)
str = get(ObjectH, 'String');
num = sscanf(str, '%g', 1);
if length(num) ~= 1
  warning('Bad number, using default instead');
  num = 75;
end
str = sprintf('%.0f %%', num);
set(ObjectH, 'String', str);

MATLAB: How to, from choosing a string from a pop-up menu, make a edit box disable

   idx = get( hObject, 'Value')
   switch idx
     case 1: set( handles.Editbox1, 'Enable', 'off');
     case 2: set( handles.Editbox2, 'Enable', 'off');
   end

Best Answer

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MATLAB: Put a % sign inside of an ‘edit text’ box behind a number in the box

MATLAB: How to, from choosing a string from a pop-up menu, make a edit box disable

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