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[client/idd] input: report endpoint status

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This commit is contained in:
Geoffrey McRae
2026-08-09 01:36:54 +10:00
parent 3e38c62050
commit 5b90384123
8 changed files with 607 additions and 55 deletions
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103
client/src/input.c
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@@ -30,7 +30,9 @@ struct InputBinding
{
const LG_InputOps * ops;
void * opaque;
bool available;
bool mouseAbsolute;
uint32_t generation;
};
static struct
@@ -63,12 +65,15 @@ static bool validOps(const LG_InputOps * ops)
static struct InputBinding makeBinding(const LG_InputOps * ops,
void * opaque)
{
const bool available = ops && !ops->setStatusListener;
return (struct InputBinding)
{
.ops = ops,
.opaque = opaque,
.mouseAbsolute = ops && ops->mousePosition &&
.available = available,
.mouseAbsolute = available && ops->mousePosition &&
ops->supports(opaque, LG_INPUT_SUPPORT_MOUSE_ABSOLUTE),
.generation = 0,
};
}
@@ -112,12 +117,17 @@ static void clearStateNL(void)
static void updateActiveNL(void)
{
const struct InputBinding next =
l_input.useTransport && l_input.transport.ops ?
l_input.transport : l_input.fallback;
l_input.useTransport && l_input.transport.available ?
l_input.transport :
l_input.fallback.available ? l_input.fallback :
(struct InputBinding) { 0 };
if (next.ops == l_input.active.ops &&
next.opaque == l_input.active.opaque)
{
l_input.active = next;
return;
}
resetActiveNL();
l_input.active = next;
@@ -132,6 +142,52 @@ static void updateActiveNL(void)
DEBUG_INFO("Input is unavailable");
}
static void updateStatusNL(struct InputBinding * binding,
const LG_InputStatus * status)
{
const bool wasActive =
l_input.active.ops == binding->ops &&
l_input.active.opaque == binding->opaque;
if (wasActive && !status->available)
{
resetActiveNL();
l_input.active = (struct InputBinding) { 0 };
}
binding->available = status->available;
binding->mouseAbsolute = status->available &&
binding->ops->mousePosition &&
binding->ops->supports(binding->opaque,
LG_INPUT_SUPPORT_MOUSE_ABSOLUTE);
binding->generation = status->generation;
updateActiveNL();
}
static void fallbackStatusChanged(void * opaque,
const LG_InputStatus * status)
{
if (!status)
return;
LG_LOCK_EXCLUSIVE(l_input.activeLock);
if (l_input.fallback.ops && l_input.fallback.opaque == opaque)
updateStatusNL(&l_input.fallback, status);
LG_UNLOCK_EXCLUSIVE(l_input.activeLock);
}
static void transportStatusChanged(void * opaque,
const LG_InputStatus * status)
{
if (!status)
return;
LG_LOCK_EXCLUSIVE(l_input.activeLock);
if (l_input.transport.ops && l_input.transport.opaque == opaque)
updateStatusNL(&l_input.transport, status);
LG_UNLOCK_EXCLUSIVE(l_input.activeLock);
}
void lgInput_init(void)
{
l_input.fallback = (struct InputBinding) { 0 };
@@ -148,12 +204,23 @@ void lgInput_init(void)
void lgInput_free(void)
{
struct InputBinding fallback;
struct InputBinding transport;
LG_LOCK_EXCLUSIVE(l_input.activeLock);
resetActiveNL();
fallback = l_input.fallback;
transport = l_input.transport;
l_input.active = (struct InputBinding) { 0 };
l_input.fallback = (struct InputBinding) { 0 };
l_input.transport = (struct InputBinding) { 0 };
LG_UNLOCK_EXCLUSIVE(l_input.activeLock);
if (fallback.ops && fallback.ops->setStatusListener)
fallback.ops->setStatusListener(fallback.opaque, NULL, NULL);
if (transport.ops && transport.ops->setStatusListener)
transport.ops->setStatusListener(transport.opaque, NULL, NULL);
LG_RWLOCK_FREE(l_input.activeLock);
}
@@ -166,10 +233,20 @@ void lgInput_setFallback(const LG_InputOps * ops, void * opaque)
opaque = NULL;
}
const struct InputBinding next = makeBinding(ops, opaque);
struct InputBinding old;
LG_LOCK_EXCLUSIVE(l_input.activeLock);
l_input.fallback = makeBinding(ops, opaque);
old = l_input.fallback;
l_input.fallback = next;
updateActiveNL();
LG_UNLOCK_EXCLUSIVE(l_input.activeLock);
if (old.ops && old.ops->setStatusListener)
old.ops->setStatusListener(old.opaque, NULL, NULL);
if (next.ops && next.ops->setStatusListener)
next.ops->setStatusListener(next.opaque,
fallbackStatusChanged, next.opaque);
}
void lgInput_setTransport(const LG_InputOps * ops, void * opaque)
@@ -181,15 +258,28 @@ void lgInput_setTransport(const LG_InputOps * ops, void * opaque)
opaque = NULL;
}
const struct InputBinding next = makeBinding(ops, opaque);
struct InputBinding old;
LG_LOCK_EXCLUSIVE(l_input.activeLock);
l_input.transport = makeBinding(ops, opaque);
old = l_input.transport;
l_input.transport = next;
updateActiveNL();
LG_UNLOCK_EXCLUSIVE(l_input.activeLock);
if (old.ops && old.ops->setStatusListener)
old.ops->setStatusListener(old.opaque, NULL, NULL);
if (next.ops && next.ops->setStatusListener)
next.ops->setStatusListener(next.opaque,
transportStatusChanged, next.opaque);
}
void lgInput_dropTransport(void)
{
struct InputBinding old;
LG_LOCK_EXCLUSIVE(l_input.activeLock);
old = l_input.transport;
if (l_input.useTransport && l_input.active.ops == l_input.transport.ops &&
l_input.active.opaque == l_input.transport.opaque)
{
@@ -200,6 +290,9 @@ void lgInput_dropTransport(void)
l_input.transport = (struct InputBinding) { 0 };
updateActiveNL();
LG_UNLOCK_EXCLUSIVE(l_input.activeLock);
if (old.ops && old.ops->setStatusListener)
old.ops->setStatusListener(old.opaque, NULL, NULL);
}
void lgInput_useTransport(bool enable)