I show three edit text boxes. I want that when you move the first one`s slider( so you get the text from the line 12, for example) the other two show the text from the same line as the first one.

Do you know any way to do so?

Thanks,
Gonzalo

jScrollPane.java.HORIZONTAL_SCROLLBAR_AS_NEEDED

Alternately, as mentioned above, you can always use the numeric values of these enumerated policies. They are less readable/maintainable, but they always work

It works only half for me, hopefully you can point me in the correct direction. Currently working with :

———————————————————————————–
MATLAB Version 7.4.0.287 (R2007a)
Operating System: Microsoft Windows XP Version 5.1 (Build 2600: Service Pack 3)
Java VM Version: Java 1.5.0_07 with Sun Microsystems Inc. Java HotSpot(TM) Client VM mixed mode
———————————————————————————–

For testing I put a button and edit on a figure in GUIDE, I have a function to change the properties of the edit:

function r = set_edit_props(varargin)
 
r = true;
try
    h           = findobj('Tag', 'edit2');
    jScrollPane = findjobj(h);
    jViewPort   = jScrollPane.getViewport;
    jEditbox    = jViewPort.getComponent(0);
    %set(jScrollPane,'HorizontalScrollBarPolicy', jScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
    %set(jScrollPane,'VerticalScrollBarPolicy', jScrollPane.VERTICAL_SCROLLBAR_NEVER);
    set(jScrollPane,'HorizontalScrollBarPolicy', 32);
    set(jScrollPane,'VerticalScrollBarPolicy', 21);
    jEditbox.setWrapping(false);
catch
    disp(lasterr)
    r = false;
end

I used the integer-values for the scrollbars because the named constants are not part of the Java object.

Problem: when I call the above function from the button-callback, then it works. But this is not what I want, I want that when the figure is made visible, the scrollbars are automatically OK. So what I tried:

1) call ‘set_edit_props’ from edit create-callback:

jScrollPane =

handle: 0-by-0

No appropriate method or public field getViewport for class handle.handle.

2) call ‘set_edit_props’ after a 2 secs delay (timer-object) started within edit create-callback (try to let everything become visible before access is requested):

jScrollPane =

handle: 1-by-0

No appropriate method or public field getViewport for class handle.handle.

3) call ‘set_edit_props’ from OpeningFcn: result as with 2)

4) call ‘set_edit_props’ via timer from OpeningFcn: result as with 1) (!)

Nothing works. Maybe you have some ideas….

Regards,

Jeroen

In the meantime, you can try Carrie’s solution above – simply use the number 30 instead of jScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED

jViewPort = jScrollPane.getViewport;
jEditbox = jViewPort.getComponent(0);
jEditbox.setWrapping(false);  % do *NOT* use set(...)!!!
newPolicy = jScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED;
set(jScrollPane,'HorizontalScrollBarPolicy',newPolicy);

but am getting this error:
?? No appropriate method, property, or field HORIZONTAL_SCROLLBAR_AS_NEEDED for class javahandle_withcallbacks.com.mathworks.hg.peer.utils.UIScrollPane.

Error in ==> blblblb at 8
newPolicy = jScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED;