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WindowServer: Begin refactoring towards a fully asynchronous protocol.

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In order to move the WindowServer to userspace, I have to eliminate its
dependence on system call facilities. The communication channel with each
client needs to be message-based in both directions.
This commit is contained in:
Andreas Kling 2019-02-13 17:54:30 +01:00
parent 96352ab735
commit 4f98a35beb
18 changed files with 242 additions and 91 deletions
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11
LibGUI/GEventLoop.h
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@ -5,11 +5,11 @@
#include <AK/HashMap.h>
#include <AK/OwnPtr.h>
#include <AK/Vector.h>
#include <Kernel/GUITypes.h>
class GObject;
class GNotifier;
class GWindow;
struct GUI_Event;
class GEventLoop {
public:
@ -34,15 +34,20 @@ public:
void exit(int);
bool post_message_to_server(const GUI_ClientMessage&);
bool wait_for_specific_event(GUI_Event::Type, GUI_Event&);
GUI_Event sync_request(const GUI_ClientMessage& request, GUI_Event::Type response_type);
private:
void wait_for_event();
bool drain_events_from_server();
void handle_paint_event(const GUI_Event&, GWindow&);
void handle_mouse_event(const GUI_Event&, GWindow&);
void handle_key_event(const GUI_Event&, GWindow&);
void handle_window_activation_event(const GUI_Event&, GWindow&);
void handle_window_close_request_event(const GUI_Event&, GWindow&);
void handle_menu_event(const GUI_Event&);
void get_next_timer_expiration(timeval&);
struct QueuedEvent {
@ -51,6 +56,8 @@ private:
};
Vector<QueuedEvent> m_queued_events;
Vector<GUI_Event> m_unprocessed_events;
int m_event_fd { -1 };
bool m_running { false };
bool m_exit_requested { false };