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:
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!!!
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.
Walter Roberson
Walter Roberson on 13 Sep 2011
That corresponds to using "normalized" units in my prior discussion of your options,
As I noted then: some GUI elements (especially text) look very ugly if they are specified in "normalized" units

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