NAME
SYNOPSIS
ARGUMENTS
DESCRIPTION
STRUCTURES
XkbPtrActionX − Returns the high_XXX and low_XXX fields of act converted to a signed int
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int XkbPtrActionX |
(XkbPtrAction act); |
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− act |
action from which to extract X |
Actions associated with the XkbPtrAction structure move the pointer when keys are pressed and released.
If the MouseKeys control is not enabled, KeyPress and KeyRelease events are treated as though the action is XkbSA_NoAction.
If the MouseKeys control is enabled, a server action of type XkbSA_MovePtr instructs the server to generate core pointer MotionNotify events rather than the usual KeyPress event, and the corresponding KeyRelease event disables any mouse keys timers that were created as a result of handling the XkbSA_MovePtr action.
The type field of the XkbPtrAction structure is always XkbSA_MovePtr.
The flags field is a bitwise inclusive OR of the masks shown in Table 1.
Each of the X and Y coordinantes of the XkbPtrAction structure is composed of two signed 16-bit values, that is, the X coordinate is composed of high_XXX and low_XXX, and similarly for the Y coordinate. Xkb provides the following macros, to convert between a signed integer and two signed 16-bit values in XkbPtrAction structures.
typedef struct
_XkbPtrAction {
unsigned char type; /∗ XkbSA_MovePtr */
unsigned char flags; /∗ determines type of pointer
motion */
unsigned char high_XXX; /∗ x coordinate, high bits*/
unsigned char low_XXX; /∗ y coordinate, low bits */
unsigned char high_YYY; /∗ x coordinate, high bits */
unsigned char low_YYY; /∗ y coordinate, low bits */
} XkbPtrAction;