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[host] save the last cursor shape and send it to the client on restarts

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This commit is contained in:
Geoffrey McRae 2017-12-13 21:45:58 +11:00
parent 3bc2506d92
commit 15830a81f7
2 changed files with 34 additions and 4 deletions
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35
host/Service.cpp
View File

@ -146,6 +146,7 @@ bool Service::Process()
if (!m_initialized)
return false;
bool restart = false;
struct FrameInfo frame;
ZeroMemory(&frame, sizeof(FrameInfo));
frame.buffer = m_frame[m_frameIndex];
@ -159,6 +160,7 @@ bool Service::Process()
if (m_header->flags & KVMFR_HEADER_FLAG_RESTART)
{
InterlockedAnd8((char *)&m_header->flags, ~(KVMFR_HEADER_FLAG_RESTART));
restart = true;
break;
}
@ -226,13 +228,13 @@ bool Service::Process()
return false;
}
m_header->flags = 0;
uint8_t flags = 0;
m_header->cursor.flags = 0;
if (!cursorOnly)
{
// signal a frame update
m_header->flags |= KVMFR_HEADER_FLAG_FRAME;
flags |= KVMFR_HEADER_FLAG_FRAME;
m_header->frame.type = m_capture->GetFrameType();
m_header->frame.width = frame.width;
m_header->frame.height = frame.height;
@ -245,18 +247,23 @@ bool Service::Process()
if (frame.cursor.hasPos)
{
// tell the host where the cursor is
m_header->flags |= KVMFR_HEADER_FLAG_CURSOR;
flags |= KVMFR_HEADER_FLAG_CURSOR;
m_header->cursor.flags |= KVMFR_CURSOR_FLAG_POS;
if (frame.cursor.visible)
m_header->cursor.flags |= KVMFR_CURSOR_FLAG_VISIBLE;
m_header->cursor.x = frame.cursor.x;
m_header->cursor.y = frame.cursor.y;
// update our local copy for client restarts
m_cursor.flags = m_header->cursor.flags;
m_cursor.x = frame.cursor.x;
m_cursor.y = frame.cursor.y;
}
if (frame.cursor.hasShape)
{
// give the host the new cursor shape
m_header->flags |= KVMFR_HEADER_FLAG_CURSOR;
flags |= KVMFR_HEADER_FLAG_CURSOR;
m_header->cursor.flags |= KVMFR_CURSOR_FLAG_SHAPE;
m_header->cursor.type = frame.cursor.type;
m_header->cursor.w = frame.cursor.w;
@ -268,7 +275,27 @@ bool Service::Process()
return false;
}
memcpy(m_header->cursor.shape, frame.cursor.shape, frame.cursor.dataSize);
// take a copy of the information for client restarts
uint8_t f = m_cursor.flags;
memcpy(&m_cursor, &m_header->cursor, sizeof(KVMFRCursor));
m_cursor.flags = f | m_header->cursor.flags;
m_haveShape = true;
}
else
{
// if we already have a shape and the client restarted send it to them
if (restart && m_haveShape)
{
flags |= KVMFR_HEADER_FLAG_CURSOR;
m_cursor.flags |= KVMFR_CURSOR_FLAG_SHAPE;
memcpy(&m_header->cursor, &m_cursor, sizeof(KVMFRCursor));
}
}
// update the flags
InterlockedAnd8((char *)&m_header->flags, KVMFR_HEADER_FLAG_RESTART);
InterlockedOr8 ((char *)&m_header->flags, flags);
// increment the update count to resume the host
++m_header->updateCount;

3
host/Service.h
View File

@ -59,4 +59,7 @@ private:
size_t m_frameSize;
uint64_t m_dataOffset[2];
int m_frameIndex;
KVMFRCursor m_cursor;
bool m_haveShape;
};