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WindowServer+LibGUI: Allow arbitrary number of rects in messages.
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.
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commit
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12 changed files with 167 additions and 60 deletions
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@ -16,7 +16,7 @@ public:
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static GEventLoop& current() { return static_cast<GEventLoop&>(CEventLoop::current()); }
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static bool post_message_to_server(const WSAPI_ClientMessage&);
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static bool post_message_to_server(const WSAPI_ClientMessage&, const ByteBuffer& extra_data = { });
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bool wait_for_specific_event(WSAPI_ServerMessage::Type, WSAPI_ServerMessage&);
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WSAPI_ServerMessage sync_request(const WSAPI_ClientMessage& request, WSAPI_ServerMessage::Type response_type);
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@ -25,7 +25,7 @@ public:
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virtual void take_pending_events_from(CEventLoop& other) override
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{
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CEventLoop::take_pending_events_from(other);
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m_unprocessed_messages.append(move(static_cast<GEventLoop&>(other).m_unprocessed_messages));
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m_unprocessed_bundles.append(move(static_cast<GEventLoop&>(other).m_unprocessed_bundles));
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}
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private:
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@ -43,13 +43,13 @@ private:
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virtual void do_processing() override
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{
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process_unprocessed_messages();
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process_unprocessed_bundles();
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}
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void wait_for_event();
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bool drain_messages_from_server();
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void process_unprocessed_messages();
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void handle_paint_event(const WSAPI_ServerMessage&, GWindow&);
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void process_unprocessed_bundles();
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void handle_paint_event(const WSAPI_ServerMessage&, GWindow&, const ByteBuffer& extra_data);
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void handle_resize_event(const WSAPI_ServerMessage&, GWindow&);
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void handle_mouse_event(const WSAPI_ServerMessage&, GWindow&);
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void handle_key_event(const WSAPI_ServerMessage&, GWindow&);
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@ -60,7 +60,12 @@ private:
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void handle_wm_event(const WSAPI_ServerMessage&, GWindow&);
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void connect_to_server();
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Vector<WSAPI_ServerMessage, 64> m_unprocessed_messages;
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struct IncomingWSMessageBundle {
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WSAPI_ServerMessage message;
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ByteBuffer extra_data;
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};
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Vector<IncomingWSMessageBundle, 64> m_unprocessed_bundles;
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static pid_t s_server_pid;
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static pid_t s_event_fd;
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};
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