offapi/com/sun/star/accessibility/XAccessibleValue.idl

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  27
  28 #ifndef __com_sun_star_accessibility_XAccessibleValue_idl__
  29 #define __com_sun_star_accessibility_XAccessibleValue_idl__
  30
  31 #ifndef __com_sun_star_uno_XInterface_idl__
  32 #include <com/sun/star/uno/XInterface.idl>
  33 #endif
  34
  35 module com { module sun { module star { module accessibility {
  36
  37 /** Implement this interface to give access to a single numerical value.
  38
  39     <p>The <type>XAccessibleValue</type> interface represents a single
  40     numerical value and should be implemented by any class that supports
  41     numerical value like scroll bars and spin boxes.  This interface lets
  42     you access the value and its upper and lower bounds.</p>
  43
  44     @since OOo 1.1.2
  45 */
  46 published interface XAccessibleValue : ::com::sun::star::uno::XInterface
  47 {
  48     /** Returns the value of this object as a number.
  49
  50         <p>The exact return type is implementation dependent.  Typical types
  51         are long and double.</p>
  52
  53         @return
  54             Returns the current value represented by this object.
  55     */
  56     any getCurrentValue ();
  57
  58     /** Sets the value of this object to the given number.
  59
  60         <p>The argument is clipped to the valid interval whose upper and
  61         lower bounds are returned by the methods
  62         <member>getMaximumAccessibleValue</member> and
  63         <member>getMinimumAccessibleValue</member>, i.e. if it is lower than
  64         the minimum value the new value will be the minimum and if it is
  65         greater than the maximum then the new value will be the maximum.</p>
  66
  67         @param aNumber
  68             The new value represented by this object.  The set of admissible
  69             types for this argument is implementation dependent.
  70
  71         @return
  72             Returns <TRUE/> if the new value could successfully be set and
  73             <FALSE/> otherwise.
  74     */
  75     boolean setCurrentValue ([in] any aNumber);
  76
  77     /** Returns the maximal value that can be represented by this object.
  78
  79         <p>The type of the returned value is implementation dependent.  It
  80         does not have to be the same type as that returned by
  81         <member>getCurrentAccessibleValue</member>.</p>
  82
  83         @return
  84             Returns the maximal value in an implementation dependent type.
  85             If this object has no upper bound then an empty object is
  86             returned.
  87     */
  88     any getMaximumValue ();
  89
  90     /** Returns the minimal value that can be represented by this object.
  91
  92         <p>The type of the returned value is implementation dependent.  It
  93         does not have to be the same type as that returned by
  94         <member>getCurrentAccessibleValue</member>.</p>
  95
  96         @return
  97             Returns the minimal value in an implementation dependent type.
  98             If this object has no upper bound then an empty object is
  99             returned.
 100     */
 101     any getMinimumValue ();
 102 };
 103
 104 }; }; }; };
 105
 106 #endif