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[client,common] fix multitouch detection

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This commit is contained in:
Armin Novak 2023-06-22 09:41:04 +02:00 committed by Martin Fleisz
parent 44c1ec3276
commit db661798f1
1 changed files with 20 additions and 10 deletions
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30
client/common/client.c
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@ -1582,23 +1582,32 @@ static BOOL freerdp_handle_touch_motion(rdpClientContext* cctx, const FreeRDP_To
static BOOL freerdp_client_touch_update(rdpClientContext* cctx, UINT32 flags, INT32 touchId,
UINT32 pressure, INT32 x, INT32 y,
const FreeRDP_TouchContact** ppcontact)
FreeRDP_TouchContact* pcontact)
{
WINPR_ASSERT(cctx);
WINPR_ASSERT(ppcontact);
WINPR_ASSERT(pcontact);
for (size_t i = 0; i < ARRAYSIZE(cctx->contacts); i++)
{
FreeRDP_TouchContact* contact = &cctx->contacts[i];
if (contact->id == touchId)
const BOOL newcontact = ((contact->id == 0) && ((flags & FREERDP_TOUCH_DOWN) != 0));
if (newcontact || (contact->id == touchId))
{
*ppcontact = contact;
contact->id = touchId;
contact->flags = flags;
contact->pressure = pressure;
contact->x = x;
contact->y = y;
*pcontact = *contact;
const BOOL resetcontact = (flags & FREERDP_TOUCH_UP) != 0;
if (resetcontact)
{
FreeRDP_TouchContact empty = { 0 };
*contact = empty;
}
return TRUE;
}
}
@ -1609,21 +1618,22 @@ static BOOL freerdp_client_touch_update(rdpClientContext* cctx, UINT32 flags, IN
BOOL freerdp_client_handle_touch(rdpClientContext* cctx, UINT32 flags, INT32 finger,
UINT32 pressure, INT32 x, INT32 y)
{
const UINT32 mask = FREERDP_TOUCH_DOWN | FREERDP_TOUCH_UP | FREERDP_TOUCH_MOTION;
WINPR_ASSERT(cctx);
const FreeRDP_TouchContact* contact = NULL;
FreeRDP_TouchContact contact = { 0 };
if (!freerdp_client_touch_update(cctx, flags, finger, pressure, x, y, &contact))
return FALSE;
switch (flags)
switch (flags & mask)
{
case FREERDP_TOUCH_DOWN:
return freerdp_handle_touch_down(cctx, contact);
return freerdp_handle_touch_down(cctx, &contact);
case FREERDP_TOUCH_UP:
return freerdp_handle_touch_up(cctx, contact);
return freerdp_handle_touch_up(cctx, &contact);
case FREERDP_TOUCH_MOTION:
return freerdp_handle_touch_motion(cctx, contact);
return freerdp_handle_touch_motion(cctx, &contact);
default:
WLog_WARN(TAG, "Unhandled FreeRDPTouchEventType %d, ignoring", flags);
return FALSE;