NAME¶
XkbSAPtrDfltValue - Returns the valueXXX field of act converted to a signed int
SYNOPSIS¶
int XkbSAPtrDfltValue (XkbAction
act);
ARGUMENTS¶
- - act
- action from which to extract group
DESCRIPTION¶
Actions associated with the XkbPtrDfltAction structure change the mk_dflt_btn
attribute of the MouseKeys control.
If the MouseKeys control is not enabled, KeyPress and KeyRelease events are
treated as though the action is XkbSA_NoAction. Otherwise, this action changes
the
mk_dflt_btn attribute of the MouseKeys control.
The
type field of the XkbPtrDfltAction structure should always be
XkbSA_SetPtrDflt.
The
flags field is composed of the bitwise inclusive OR of the values
shown in Table 1 (currently there is only one value defined).
Table 1 Pointer Default Flags |
|
|
Flag |
Meaning |
|
XkbSA_DfltBtnAbsolute |
If set, the value field represents an absolute pointer button.
Otherwise, the value field represents the amount to be added to the
current default button. |
The
affect field specifies what changes as a result of this action. The
only valid value for the
affect field is XkbSA_AffectDfltBtn.
The
valueXXX field is a signed character that represents the new button
value for the
mk_dflt_btn attribute of the MouseKeys control. If
XkbSA_DfltBtnAbsolute is set in
flags, valueXXX specifies the button to
be used; otherwise,
valueXXX specifies the amount to be added to the
current default button. In either case, illegal button choices are wrapped
back around into range. Xkb provides macros, to convert between the integer
and signed character values in XkbPtrDfltAction structures.
XkbSAPtrDfltValue returns the
valueXXX field of
act
converted to a signed int.
STRUCTURES¶
typedef struct _XkbPtrDfltAction {
unsigned char type; /∗ XkbSA_SetPtrDflt */
unsigned char flags; /∗ controls the pointer button number */
unsigned char affect; /∗ XkbSA_AffectDfltBtn */
char valueXXX; /∗ new default button member */
} XkbPtrDfltAction;