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WindowServer+LibGUI: Allow arbitrary number of rects in messages.

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To get truly atomic updates, add a mechanism for passing arbitrary amounts
of extra data along with WindowServer messages. This allows us to pass all
the rects in a single message.
This commit is contained in:
Andreas Kling 2019-04-22 01:15:47 +02:00
parent f9d3abf5d0
commit 9f122bff5a
12 changed files with 167 additions and 60 deletions
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17
LibGUI/GEventLoop.h
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@ -16,7 +16,7 @@ public:
static GEventLoop& current() { return static_cast<GEventLoop&>(CEventLoop::current()); }
static bool post_message_to_server(const WSAPI_ClientMessage&);
static bool post_message_to_server(const WSAPI_ClientMessage&, const ByteBuffer& extra_data = { });
bool wait_for_specific_event(WSAPI_ServerMessage::Type, WSAPI_ServerMessage&);
WSAPI_ServerMessage sync_request(const WSAPI_ClientMessage& request, WSAPI_ServerMessage::Type response_type);
@ -25,7 +25,7 @@ public:
virtual void take_pending_events_from(CEventLoop& other) override
{
CEventLoop::take_pending_events_from(other);
m_unprocessed_messages.append(move(static_cast<GEventLoop&>(other).m_unprocessed_messages));
m_unprocessed_bundles.append(move(static_cast<GEventLoop&>(other).m_unprocessed_bundles));
}
private:
@ -43,13 +43,13 @@ private:
virtual void do_processing() override
{
process_unprocessed_messages();
process_unprocessed_bundles();
}
void wait_for_event();
bool drain_messages_from_server();
void process_unprocessed_messages();
void handle_paint_event(const WSAPI_ServerMessage&, GWindow&);
void process_unprocessed_bundles();
void handle_paint_event(const WSAPI_ServerMessage&, GWindow&, const ByteBuffer& extra_data);
void handle_resize_event(const WSAPI_ServerMessage&, GWindow&);
void handle_mouse_event(const WSAPI_ServerMessage&, GWindow&);
void handle_key_event(const WSAPI_ServerMessage&, GWindow&);
@ -60,7 +60,12 @@ private:
void handle_wm_event(const WSAPI_ServerMessage&, GWindow&);
void connect_to_server();
Vector<WSAPI_ServerMessage, 64> m_unprocessed_messages;
struct IncomingWSMessageBundle {
WSAPI_ServerMessage message;
ByteBuffer extra_data;
};
Vector<IncomingWSMessageBundle, 64> m_unprocessed_bundles;
static pid_t s_server_pid;
static pid_t s_event_fd;
};