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XkbSARedirectVMods(3) XKB FUNCTIONS XkbSARedirectVMods(3)
NAME
XkbSARedirectVMods - Returns the vmods0 and vmods1 fields
of act converted to an unsigned int
SYNOPSIS
unsigned int XkbSARedirectVMods macro ( act )
XkbRedirectKeyAction act;
ARGUMENTS
- act action from which to extract vmods
DESCRIPTION
Actions associated with the XkbRedirectKeyAction structure
generate KeyPress and KeyRelease events containing a key-
code different from the key that was pressed or released.
The type field for the XkbRedirectKeyAction structure
should always be XkbSA_RedirectKey. Key presses cause a
KeyPress event for the key specified by the new_key field
instead of the actual key. The state reported in this
event reports the current effective modifiers changed as
follows: any real modifiers selected by the mods_mask
field are set to corresponding values from the mods field.
Any real modifiers bound to the virtual modifiers speci-
fied by the vmods_mask0 and vmods_mask1 fields are either
set or cleared, depending on the corresponding values in
the vmods0 and vmods1 fields. If the real and virtual mod-
ifier definitions specify conflicting values for a single
modifier, the real modifier definition has priority.
Key releases cause a KeyRelease event for the key speci-
fied by the new_key field instead of the actual key. The
state for this event consists of the effective keyboard
modifiers at the time of the release, changed as described
previously.
The XkbSA_RedirectKey action normally redirects to another
key on the same device as the key that caused the event,
unless that device does not belong to the input extension
KeyClass, in which case this action causes an event on the
core keyboard device. (The input extension categorizes
devices by breaking them into classes. Keyboards, and
other input devices with keys, are classified as KeyClass
devices by the input extension.)
The vmods_mask0 and vmods_mask1 fields actually represent
one vmods_mask value. Xkb provides macros to convert
between the two formats.
XkbSARedirectVModsMask returns the vmods0 and vmods1
fields of act converted to an unsigned int.
STRUCTURES
typedef struct_XkbRedirectKeyAction {
unsigned char type; /* XkbSA_RedirectKey */
unsigned char new_key; /* keycode to be put in event */
unsigned char mods_mask; /* mask of real mods to be reset */
unsigned char mods; /* mask of real mods to take values from */
unsigned char vmods_mask0; /* first half of mask of virtual mods to be
reset */
unsigned char vmods_mask1; /* other half of mask of virtual mods to be
reset */
unsigned char vmods0; /* first half of mask of virtual mods to
take values from */
unsigned char vmods1; /* other half of mask of virtual mods to
take values from */
} XkbRedirectKeyAction;
X Version 11 libX11 1.1.5 XkbSARedirectVMods(3)