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UICONTROLPROPERTIES UICONTROLPROPERTIES UI Control Properties

Usage

Below is a summary of the properties for user interface
controls.
  -  backgroundcolor - colorspec - The background color
 for the widget.

  -  busyaction - Not used.

  -  buttondownfcn - Not used.

  -  callback - string - the callback to execute when the 
GUI control does its action.  Clicking a button or moving a 
scroller will cause the callback to be executed.  Also, pressing 
enter in a text box causes the callback to be executed.

  -  cdata - an M x N x 3 array that represents an RGB image
to use as the truecolor image displayed on push bottons or toggle
buttons.  The values must be between 0 and 1.

  -  children - Not used.

  -  createfcn - Not used.

  -  deletefcn - Not used;

  -  enable - {'on','inactive','off'} - For on (the
default) the uicontrol behaves normally.  For inactive, it is not
operational, but looks the same as on.  For off, the
control is grayed out.

  -  extent - a read only property that contains the extent of
the text for the control.

  -  fontangle - {'normal','italic','oblique'} - The angle of the fonts used
 for text labels (e.g., tick labels).

  -  fontsize - scalar - The size of fonts used for text labels (tick labels).

  -  fontunits - Not used.

  -  fontname - string - The name of the font to use for the widget.

  -  fontweight - {'normal','bold','light','demi'} - The weight of the font used

  -  foregroundcolor - colorspec - the foreground color for text.

  -  handlevisibility - Not used.

  -  hittest - Not used.

  -  horizontalalignment - {'left','center','right} - determines
the justification of text.

  -  interruptible - Not used.

  -  keypressfcn - functionspec - a string or function handle
 that is called when a key is pressed and a uicontrol object has focus.

  -  listboxtop - a scalar (used only by the listbox style of
uicontrols) that specifies which string appears at the top of the list
box.

  -  max - a scalar that specifies the largest value allowed
for the value property.  The interpretation varies depending on
the type of the control
\begin{itemize}

  -  check boxes - specifies what value is set to when the
check box is selected.

  -  edit box - if max-min>1 then the text box allows for
multiple lines of input.  Otherwise, it is a single line only.

  -  list box - if max-min>1 then multiple item selections
are allowed.  Otherwise, only single item selections are allowed.

  -  radio buttons - specifies what value is set to when the
radio button is selected.

  -  slider - the maximum value the slider can take.

  -  toggle button - specifies what value is set to when 
the toggle button is selected.

\item min - a scalar that specifies the smallest value for the
value property.  The interpretation of it depends on the type
of the control
  -  check boxes - specifies what value is set to when the
check box is not selected.

  -  edit box - if max-min>1 then the text box allows for
multiple lines of input.  Otherwise, it is a single line only.

  -  list box - if max-min>1 then multiple item selections
are allowed.  Otherwise, only single item selections are allowed.

  -  radio buttons - specifies what value is set to when the
radio button is not selected.

  -  slider - the minimum value the slider can take.

  -  toggle button - specifies what value is set to when 
the toggle button is not selected.

\item parent - the handle of the parent object.
\item position - size and location of the uicontrol as a 
four vector [left, bottom, width, height].  If width>height
then sliders are horizontal, otherwise the slider is oriented
vertically.
\item selected - {'on','off'} - not used.
\item selectionhighlight - {'on','off'} - not used.
\item sliderstep - a two vector [min_step max_step]
that controls the amount the slider value changes when
you click the mouse on the control.  If you click the arrow
for the slider, the value changes by min_step, while if
you click the trough, the value changes by max_step.  
Each value must be in the range [0,1], and is a percentage
of the range max-min.
\item string - string - the text for the control.
\item style - @|{'pushbutton','toggle','radiobutton','checkbox',
'edit','text','slider','frame','listbox','popupmenu'}|.
\item tag - string - user specified label.
\item tooltipstring - string the tooltip for the control.
\item type - string - the text is set to 'uicontrol'.
\item uicontextmenu - handle the handle of the uicontextmenu
that shows up when you right-click over the control.
\item units - not used.
\item userdata - array - any data you want to associate with the
control.
\item value - The meaning of this property depends on the type of the
control:
  -  check box - set to max when checked, and min when off.

  -  list box - set to a vector of indices corresponding to selected
items, with 1 corresponding to the first item in the list.

  -  pop up menu - set to the index of the item selected (starting with 1)

  -  radio buttons - set to max when selected, and set to min when
not selected.

  -  sliders - set to the value of the slider

  -  toggle buttons - set to max when selected, and set to min when
not selected.

  -  text controls, push buttons - do not use this property.

\item visible - {'on','off'} - controls whether the control is 
visible or not
\end{itemize}