MATLAB COMPILER RELEASE NOTES User's Guide download pdf (Page 492)

100

101

R2008a

18-42

hidegui Function Being Obsoleted

The hidegui function is being obsoleted and will be removed in a future version. Instead

of this function use the set function to set the figure handle's handlevisibility

property to on or off:

set(figurehandle, ‘handlevisibility’, 'on')

Changes to How uicontrols Set Figure SelectionType

SelectionType is a figure property that user interface components set when you click

them. It is a read-only property that describes the gesture used when clicking the

most recently selected object. For single mouse clicks, components no longer set the

figure SelectionType property to anything but 'normal' when they are enabled.

By default, all components are enabled (their Enable property is 'on'). Previously,

enabled components responded to modifier keys (Ctrl, Alt, Shift, and Cmd) by setting

SelectionType to 'alt' or 'extend'. Now all key modifiers set SelectionType to

'normal' for UI components.

Disabled components (those with their Enable property set to 'off') set

SelectionType to 'alt' or 'extend' in response to modifier keys.

When Enable is 'on', the control is active and your Callback responds to clicks.

When Enable is 'off', the control is not active, and your ButtonDownFcn responds

to clicks. You can provide components with a ButtonDownFcn to detect changes in

SelectionType.

An additional change affects how list box uicontrol components respond to double-

clicking. The second of two successive clicks sets the SelectionType property of an

enabled list box to 'open'. Other types of uicontrols set their SelectionType to

'normal' after both the first and the second clicks unless key modifiers were used.

The following table describes the click responses for uicontrol components.

Enable Status Mouse Button

Pressed

Key Modifier

Pressed

SelectionType

on First Click

SelectionType

on Second Click

on left  'normal'

'normal'

on right  'alt' 'open'

on left Ctrl 'normal'

'normal'

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