XKB event handling and management

Defines
#define	XKLL_MANAGE_WINDOW_STATES   0x01
#define	XKLL_TRACK_KEYBOARD_STATE   0x02
#define	XKLL_MANAGE_LAYOUTS   0x04
Functions
int	XklStartListen (int what)
int	XklStopListen (void)
int	XklPauseListen (void)
int	XklResumeListen (void)
Bool	XklGrabKey (int keycode, unsigned modifiers)
Bool	XklUngrabKey (int keycode, unsigned modifiers)
int	XklFilterEvents (XEvent *evt)
void	XklAllowOneSwitchToSecondaryGroup (void)

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Define Documentation

#define XKLL_MANAGE_LAYOUTS   0x04

The listener process should help backend to maintain the configuration (manually switch layouts etc).

#define XKLL_MANAGE_WINDOW_STATES   0x01

The listener process should handle the per-window states and all the related activity

#define XKLL_TRACK_KEYBOARD_STATE   0x02

Just track the state and pass it to the application above.

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Function Documentation

void XklAllowOneSwitchToSecondaryGroup

(

void

)

Allows to switch (once) to the secondary group

int XklFilterEvents

(

XEvent *

evt

)

Processes X events. Should be included into the main event cycle of an application. One of the most important functions.

Parameters:

evt

is delivered X event

Returns:

0 if the event it processed - 1 otherwise

See also:

XklStartListen

Bool XklGrabKey	(	int	keycode,
		unsigned	modifiers
	)

Grabs some key

Parameters:

	keycode	is a keycode
	modifiers	is a bitmask of modifiers

Returns:

True on success

int XklPauseListen

(

void

)

Temporary pauses listening for XKB-related events

Returns:

0

int XklResumeListen

(

void

)

Resumes listening for XKB-related events

Returns:

0

int XklStartListen

(

int

what

)

Starts listening for XKB-related events

Parameters:

what

any combination of XKLL_* constants

Returns:

0

int XklStopListen

(

void

)

Stops listening for XKB-related events

Returns:

0

Bool XklUngrabKey	(	int	keycode,
		unsigned	modifiers
	)

Ungrabs some key

Parameters:

	keycode	is a keycode
	modifiers	is a bitmask of modifiers

Returns:

True on success

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