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Diffstat (limited to 'xkb/xkbActions.c')
-rw-r--r--xkb/xkbActions.c149
1 files changed, 80 insertions, 69 deletions
diff --git a/xkb/xkbActions.c b/xkb/xkbActions.c
index 416de925d..e32005cf6 100644
--- a/xkb/xkbActions.c
+++ b/xkb/xkbActions.c
@@ -222,7 +222,6 @@ _XkbFilterSetState(XkbSrvInfoPtr xkbi,
#define LATCH_KEY_DOWN 1
#define LATCH_PENDING 2
-#define NO_LATCH 3
static int
_XkbFilterLatchState(XkbSrvInfoPtr xkbi,
@@ -230,6 +229,7 @@ _XkbFilterLatchState(XkbSrvInfoPtr xkbi,
{
if (filter->keycode == 0) { /* initial press */
+ AccessXCancelRepeatKey(xkbi,keycode);
filter->keycode = keycode;
filter->active = 1;
filter->filterOthers = 1;
@@ -250,91 +250,102 @@ _XkbFilterLatchState(XkbSrvInfoPtr xkbi,
else if (pAction && (filter->priv == LATCH_PENDING)) {
if (((1 << pAction->type) & XkbSA_BreakLatch) != 0) {
filter->active = 0;
- if (filter->upAction.type == XkbSA_LatchMods)
- xkbi->state.latched_mods &= ~filter->upAction.mods.mask;
- else
- xkbi->state.latched_group -=
- XkbSAGroup(&filter->upAction.group);
- }
- else if ((pAction->type == filter->upAction.type) &&
- (pAction->mods.flags == filter->upAction.mods.flags) &&
- (pAction->mods.mask == filter->upAction.mods.mask)) {
- if (filter->upAction.mods.flags & XkbSA_LatchToLock) {
- XkbControlsPtr ctrls = xkbi->desc->ctrls;
-
- if (filter->upAction.type == XkbSA_LatchMods)
- pAction->mods.type = XkbSA_LockMods;
- else
- pAction->group.type = XkbSA_LockGroup;
- if (XkbAX_NeedFeedback(ctrls, XkbAX_StickyKeysFBMask) &&
- (ctrls->enabled_ctrls & XkbStickyKeysMask)) {
- XkbDDXAccessXBeep(xkbi->device, _BEEP_STICKY_LOCK,
- XkbStickyKeysMask);
- }
- }
- else {
- if (filter->upAction.type == XkbSA_LatchMods)
- pAction->mods.type = XkbSA_SetMods;
- else
- pAction->group.type = XkbSA_SetGroup;
- }
- if (filter->upAction.type == XkbSA_LatchMods)
- xkbi->state.latched_mods &= ~filter->upAction.mods.mask;
- else
- xkbi->state.latched_group -=
- XkbSAGroup(&filter->upAction.group);
- filter->active = 0;
+ /* If one latch is broken, all latches are broken, so it's no use
+ to find out which particular latch this filter tracks. */
+ xkbi->state.latched_mods = 0;
+ xkbi->state.latched_group = 0;
}
}
- else if (filter->keycode == keycode) { /* release */
+ else if (filter->keycode == keycode && filter->priv != LATCH_PENDING){
+ /* The test above for LATCH_PENDING skips subsequent releases of the
+ key after it has been released first time and the latch became
+ pending. */
XkbControlsPtr ctrls = xkbi->desc->ctrls;
- int needBeep;
- int beepType = _BEEP_NONE;
+ int needBeep = ((ctrls->enabled_ctrls & XkbStickyKeysMask) &&
+ XkbAX_NeedFeedback(ctrls, XkbAX_StickyKeysFBMask));
- needBeep = ((ctrls->enabled_ctrls & XkbStickyKeysMask) &&
- XkbAX_NeedFeedback(ctrls, XkbAX_StickyKeysFBMask));
if (filter->upAction.type == XkbSA_LatchMods) {
- xkbi->clearMods = filter->upAction.mods.mask;
- if ((filter->upAction.mods.flags & XkbSA_ClearLocks) &&
- (xkbi->clearMods & xkbi->state.locked_mods) ==
- xkbi->clearMods) {
- xkbi->state.locked_mods &= ~xkbi->clearMods;
- filter->priv = NO_LATCH;
- beepType = _BEEP_STICKY_UNLOCK;
+ unsigned char mask = filter->upAction.mods.mask;
+ unsigned char common;
+
+ xkbi->clearMods = mask;
+
+ /* ClearLocks */
+ common = mask & xkbi->state.locked_mods;
+ if ((filter->upAction.mods.flags & XkbSA_ClearLocks) && common) {
+ mask &= ~common;
+ xkbi->state.locked_mods &= ~common;
+ if (needBeep)
+ XkbDDXAccessXBeep(xkbi->device, _BEEP_STICKY_UNLOCK,
+ XkbStickyKeysMask);
+ }
+ /* LatchToLock */
+ common = mask & xkbi->state.latched_mods;
+ if ((filter->upAction.mods.flags & XkbSA_LatchToLock) && common) {
+ unsigned char newlocked;
+
+ mask &= ~common;
+ newlocked = common & ~xkbi->state.locked_mods;
+ if(newlocked){
+ xkbi->state.locked_mods |= newlocked;
+ if (needBeep)
+ XkbDDXAccessXBeep(xkbi->device, _BEEP_STICKY_LOCK,
+ XkbStickyKeysMask);
+
+ }
+ xkbi->state.latched_mods &= ~common;
+ }
+ /* Latch remaining modifiers, if any. */
+ if (mask) {
+ xkbi->state.latched_mods |= mask;
+ filter->priv = LATCH_PENDING;
+ if (needBeep)
+ XkbDDXAccessXBeep(xkbi->device, _BEEP_STICKY_LATCH,
+ XkbStickyKeysMask);
}
}
else {
xkbi->groupChange = -XkbSAGroup(&filter->upAction.group);
+ /* ClearLocks */
if ((filter->upAction.group.flags & XkbSA_ClearLocks) &&
(xkbi->state.locked_group)) {
xkbi->state.locked_group = 0;
- filter->priv = NO_LATCH;
- beepType = _BEEP_STICKY_UNLOCK;
+ if (needBeep)
+ XkbDDXAccessXBeep(xkbi->device, _BEEP_STICKY_UNLOCK,
+ XkbStickyKeysMask);
}
- }
- if (filter->priv == NO_LATCH) {
- filter->active = 0;
- }
- else {
- filter->priv = LATCH_PENDING;
- if (filter->upAction.type == XkbSA_LatchMods) {
- xkbi->state.latched_mods |= filter->upAction.mods.mask;
- needBeep = xkbi->state.latched_mods ? needBeep : 0;
- xkbi->state.latched_mods |= filter->upAction.mods.mask;
+ /* LatchToLock */
+ else if ((filter->upAction.group.flags & XkbSA_LatchToLock)
+ && (xkbi->state.latched_group)) {
+ xkbi->state.locked_group += XkbSAGroup(&filter->upAction.group);
+ xkbi->state.latched_group -= XkbSAGroup(&filter->upAction.group);
+ if(XkbSAGroup(&filter->upAction.group) && needBeep)
+ XkbDDXAccessXBeep(xkbi->device, _BEEP_STICKY_LOCK,
+ XkbStickyKeysMask);
}
- else {
- xkbi->state.latched_group +=
- XkbSAGroup(&filter->upAction.group);
+ /* Latch group */
+ else if(XkbSAGroup(&filter->upAction.group)){
+ xkbi->state.latched_group += XkbSAGroup(&filter->upAction.group);
+ filter->priv = LATCH_PENDING;
+ if (needBeep)
+ XkbDDXAccessXBeep(xkbi->device, _BEEP_STICKY_LATCH,
+ XkbStickyKeysMask);
}
- if (needBeep && (beepType == _BEEP_NONE))
- beepType = _BEEP_STICKY_LATCH;
}
- if (needBeep && (beepType != _BEEP_NONE))
- XkbDDXAccessXBeep(xkbi->device, beepType, XkbStickyKeysMask);
+
+ if (filter->priv != LATCH_PENDING)
+ filter->active = 0;
}
- else if (filter->priv == LATCH_KEY_DOWN) {
- filter->priv = NO_LATCH;
- filter->filterOthers = 0;
+ else if (pAction && (filter->priv == LATCH_KEY_DOWN)) {
+ /* Latch was broken before it became pending: degrade to a
+ SetMods/SetGroup. */
+ if (filter->upAction.type == XkbSA_LatchMods)
+ filter->upAction.type = XkbSA_SetMods;
+ else
+ filter->upAction.type = XkbSA_SetGroup;
+ filter->filter = _XkbFilterSetState;
+ filter->priv = 0;
+ return filter->filter(xkbi, filter, keycode, pAction);
}
return 1;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-21 17:19:10 +0000