slider for scrolling in GUI

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Diana Acreala
Diana Acreala on 12 Sep 2011
Hello! I have some problems with a slider that I am using for moving my objects on an interface.
This is what I am using:
pos1=get(handles.btn1,'Position');
pos2=get(handles.btn2,'Position');
pos3=get(handles.edittxt,'Position');
slider_value=get(hObject,'Value');
set(handles.btn1,'Position',[pos1(1) pos1(2)-slider_value+1 pos1(3) pos1(4)]);
set(handles.btn2,'Position',[pos2(1) pos2(2)-slider_value+1 pos2(3) pos2(4)]);
set(handles.edittxt,'Position',[pos3(1) pos3(2)-slider_value+1 pos3(3) pos3(4)]);
At this point I am blocked because I really don't know how to move the scroll bar up and down. I don't know how to make conditions... Please help!!!
  2 Comments
Diana Acreala
Diana Acreala on 13 Sep 2011
Please see my last response to Walter Roberson. Thanks!

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Answers (1)

Walter Roberson
Walter Roberson on 12 Sep 2011
You would put code such as that in the callback for a slider.
I do not recommend that code. As noted in response to your earlier question, you should instead insert your elements in a uipanel and then set() the Position of the panel in your scroll callback: that will have the effect of moving everything contained within the uipanel all as a group.
If you want to position a slider to a particular location, you set() the value property of the slider.
  4 Comments
Walter Roberson
Walter Roberson on 13 Sep 2011
That corresponds to using "normalized" units in my prior discussion of your options, http://www.mathworks.com/matlabcentral/answers/15641-adopt-the-gui-window-to-my-computer-settings
As I noted then: some GUI elements (especially text) look very ugly if they are specified in "normalized" units

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