Explain usage of the class.
Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
---
server/cursor-channel.h | 34 +++++++++++++++++++++++++++++++++-
1 file changed, 33 insertions(+), 1 deletion(-)
I'm not sure I should add Jonathon name to the patch
as the biggest comments was mainly written by him...
diff --git a/server/cursor-channel.h b/server/cursor-channel.h
index 6c89bc3..84592db 100644
--- a/server/cursor-channel.h
+++ b/server/cursor-channel.h
@@ -23,20 +23,52 @@
#include "red-worker.h"
#include "red-parse-qxl.h"
+/**
+ * This type it's a RedChannel class which implement cursor (mouse)
+ * movements.
+ * A pointer to CursorChannel can be converted to a RedChannel.
+ */
typedef struct CursorChannel CursorChannel;
+/**
+ * Create CursorChannel.
+ * Since CursorChannel is intended to be run in a separate thread,
+ * it does not register its own client callbacks since they would
+ * be called from a different thread. Therefore users of this
+ * class are responsible for registering their own client callbacks
+ * for CursorChannel. These 'wrapper' client callbacks must forward
+ * execution on to the CursorChannel thread.
+ * cursor_channel_client_migrate() and cursor_channel_connect() are
+ * provided as helper functions and should only be called from the
+ * CursorChannel thread.
+ */
CursorChannel* cursor_channel_new (RedWorker *worker);
-void cursor_channel_disconnect (CursorChannel *cursor_channel);
+
+/**
+ * Cause the channel to disconnect all clients
+ */
+void cursor_channel_disconnect (CursorChannel *cursor);
void cursor_channel_reset (CursorChannel *cursor);
void cursor_channel_init (CursorChannel *cursor);
void cursor_channel_process_cmd (CursorChannel *cursor, RedCursorCmd *cursor_cmd);
void cursor_channel_set_mouse_mode(CursorChannel *cursor, uint32_t mode);
+
+/**
+ * Connect a new client to CursorChannel.
+ * This is the equivalent of ReChannel client connect callback.
+ * See comment on cursor_channel_new.
+ */
void cursor_channel_connect (CursorChannel *cursor, RedClient *client,
RedsStream *stream,
int migrate,
uint32_t *common_caps, int num_common_caps,
uint32_t *caps, int num_caps);
+/**
+ * Migrate a client channel from a CursorChannel.
+ * This is the equivalent of ReChannel client migrate callback.
+ * See comment on cursor_channel_new.
+ */
void cursor_channel_client_migrate(RedChannelClient *client);
#endif /* CURSOR_CHANNEL_H_ */
--
2.7.4
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