Section: Handle-Based Graphics
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.
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.
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:
max
when checked, and min
when off.
1
corresponding to the first item in the list.
max
when selected, and set to min
when
not selected.
max
when selected, and set to min
when
not selected.
visible
- {'on','off'}
- controls whether the control is
visible or not
\end{itemize}