blob: 619e71eff961a02da86e2f36f84c55faae0384f0 (
plain)
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
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
#include "cru/platform/gui/xcb/UiApplication.h"
#include "cru/platform/gui/xcb/Window.h"
#include <poll.h>
#include <xcb/xcb.h>
namespace cru::platform::gui::xcb {
XcbUiApplication::XcbUiApplication() {
is_quit_on_all_window_closed_ = false;
int screen_num;
xcb_connection_t *connection = xcb_connect(NULL, &screen_num);
this->CheckXcbConnectionError();
event_loop_.SetPoll(xcb_get_file_descriptor(connection), POLLIN,
[this](auto) { HandleXEvents(); });
const xcb_setup_t *setup = xcb_get_setup(connection);
xcb_screen_iterator_t iter = xcb_setup_roots_iterator(setup);
this->screen_ = iter.data;
}
XcbUiApplication::~XcbUiApplication() { xcb_disconnect(this->xcb_connection_); }
void XcbUiApplication::CheckXcbConnectionError() {
if (xcb_connection_has_error(this->xcb_connection_)) {
throw XcbException("xcb_connection_has_error returned non-zero.");
}
}
xcb_connection_t *XcbUiApplication::GetXcbConnection() {
return xcb_connection_;
}
xcb_screen_t *XcbUiApplication::GetFirstXcbScreen() { return screen_; }
int XcbUiApplication::Run() {
auto exit_code = event_loop_.Run();
for (const auto &handler : this->quit_handlers_) {
handler();
}
return exit_code;
}
void XcbUiApplication::RequestQuit(int quit_code) {
event_loop_.RequestQuit(quit_code);
}
void XcbUiApplication::AddOnQuitHandler(std::function<void()> handler) {
this->quit_handlers_.push_back(std::move(handler));
}
bool XcbUiApplication::IsQuitOnAllWindowClosed() {
return is_quit_on_all_window_closed_;
}
void XcbUiApplication::SetQuitOnAllWindowClosed(
bool quit_on_all_window_closed) {
is_quit_on_all_window_closed_ = quit_on_all_window_closed;
}
long long XcbUiApplication::SetImmediate(std::function<void()> action) {
return event_loop_.SetImmediate(std::move(action));
}
long long XcbUiApplication::SetTimeout(std::chrono::milliseconds milliseconds,
std::function<void()> action) {
return event_loop_.SetTimeout(std::move(action), std::move(milliseconds));
}
long long XcbUiApplication::SetInterval(std::chrono::milliseconds milliseconds,
std::function<void()> action) {
return event_loop_.SetInterval(std::move(action), std::move(milliseconds));
}
void XcbUiApplication::CancelTimer(long long id) {
return event_loop_.CancelTimer(static_cast<int>(id));
}
void XcbUiApplication::HandleXEvents() {
xcb_generic_event_t *event;
while ((event = xcb_poll_for_event(xcb_connection_))) {
auto event_xcb_window = XcbWindow::GetEventWindow(event);
for (auto window : windows_) {
if (window->GetXcbWindow() == event_xcb_window) {
window->HandleEvent(event);
break;
}
}
::free(event);
}
}
void XcbUiApplication::RegisterWindow(XcbWindow *window) {
windows_.push_back(window);
}
void XcbUiApplication::UnregisterWindow(XcbWindow *window) {
std::erase(windows_, window);
}
} // namespace cru::platform::gui::xcb
|
