1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
#pragma once
#include <LibCore/CEventLoop.h>
#include <LibGUI/GEvent.h>
#include <WindowServer/WSAPITypes.h>
class GAction;
class CObject;
class CNotifier;
class GWindow;
class GEventLoop final : public CEventLoop {
public:
GEventLoop();
virtual ~GEventLoop() override;
static GEventLoop& current() { return static_cast<GEventLoop&>(CEventLoop::current()); }
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);
static pid_t server_pid() { return s_server_pid; }
static int my_client_id() { return s_my_client_id; }
virtual void take_pending_events_from(CEventLoop& other) override
{
CEventLoop::take_pending_events_from(other);
m_unprocessed_bundles.append(move(static_cast<GEventLoop&>(other).m_unprocessed_bundles));
}
private:
virtual void add_file_descriptors_for_select(fd_set& fds, int& max_fd_added) override
{
FD_SET(s_windowserver_fd, &fds);
max_fd_added = s_windowserver_fd;
}
virtual void process_file_descriptors_after_select(const fd_set& fds) override
{
if (FD_ISSET(s_windowserver_fd, &fds))
drain_messages_from_server();
}
virtual void do_processing() override
{
while (!m_unprocessed_bundles.is_empty())
process_unprocessed_bundles();
}
void wait_for_event();
bool drain_messages_from_server();
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&);
void handle_window_activation_event(const WSAPI_ServerMessage&, GWindow&);
void handle_window_close_request_event(const WSAPI_ServerMessage&, GWindow&);
void handle_menu_event(const WSAPI_ServerMessage&);
void handle_window_entered_or_left_event(const WSAPI_ServerMessage&, GWindow&);
void handle_wm_event(const WSAPI_ServerMessage&, GWindow&);
void handle_greeting(WSAPI_ServerMessage&);
void connect_to_server();
struct IncomingWSMessageBundle {
WSAPI_ServerMessage message;
ByteBuffer extra_data;
};
Vector<IncomingWSMessageBundle> m_unprocessed_bundles;
static pid_t s_server_pid;
static int s_my_client_id;
static int s_windowserver_fd;
};
|