|
|
|
@ -112,14 +112,30 @@ static int uv_tty_virtual_offset = -1; |
|
|
|
static int uv_tty_virtual_height = -1; |
|
|
|
static int uv_tty_virtual_width = -1; |
|
|
|
|
|
|
|
/* The console window size
|
|
|
|
* We keep this separate from uv_tty_virtual_*. We use those values to only |
|
|
|
* handle signalling SIGWINCH |
|
|
|
*/ |
|
|
|
|
|
|
|
static HANDLE uv__tty_console_handle = INVALID_HANDLE_VALUE; |
|
|
|
static int uv__tty_console_height = -1; |
|
|
|
static int uv__tty_console_width = -1; |
|
|
|
|
|
|
|
static DWORD WINAPI uv__tty_console_resize_message_loop_thread(void* param); |
|
|
|
static void CALLBACK uv__tty_console_resize_event(HWINEVENTHOOK hWinEventHook, |
|
|
|
DWORD event, |
|
|
|
HWND hwnd, |
|
|
|
LONG idObject, |
|
|
|
LONG idChild, |
|
|
|
DWORD dwEventThread, |
|
|
|
DWORD dwmsEventTime); |
|
|
|
|
|
|
|
/* We use a semaphore rather than a mutex or critical section because in some
|
|
|
|
cases (uv__cancel_read_console) we need take the lock in the main thread and |
|
|
|
release it in another thread. Using a semaphore ensures that in such |
|
|
|
scenario the main thread will still block when trying to acquire the lock. */ |
|
|
|
static uv_sem_t uv_tty_output_lock; |
|
|
|
|
|
|
|
static HANDLE uv_tty_output_handle = INVALID_HANDLE_VALUE; |
|
|
|
|
|
|
|
static WORD uv_tty_default_text_attributes = |
|
|
|
FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE; |
|
|
|
|
|
|
|
@ -141,6 +157,18 @@ static void uv__determine_vterm_state(HANDLE handle); |
|
|
|
void uv_console_init(void) { |
|
|
|
if (uv_sem_init(&uv_tty_output_lock, 1)) |
|
|
|
abort(); |
|
|
|
uv__tty_console_handle = CreateFileW(L"CONOUT$", |
|
|
|
GENERIC_READ | GENERIC_WRITE, |
|
|
|
FILE_SHARE_WRITE, |
|
|
|
0, |
|
|
|
OPEN_EXISTING, |
|
|
|
0, |
|
|
|
0); |
|
|
|
if (uv__tty_console_handle != NULL) { |
|
|
|
QueueUserWorkItem(uv__tty_console_resize_message_loop_thread, |
|
|
|
NULL, |
|
|
|
WT_EXECUTELONGFUNCTION); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
@ -184,11 +212,6 @@ int uv_tty_init(uv_loop_t* loop, uv_tty_t* tty, uv_file fd, int readable) { |
|
|
|
if (uv__vterm_state == UV_UNCHECKED) |
|
|
|
uv__determine_vterm_state(handle); |
|
|
|
|
|
|
|
/* Store the global tty output handle. This handle is used by TTY read */ |
|
|
|
/* streams to update the virtual window when a CONSOLE_BUFFER_SIZE_EVENT */ |
|
|
|
/* is received. */ |
|
|
|
uv_tty_output_handle = handle; |
|
|
|
|
|
|
|
/* Remember the original console text attributes. */ |
|
|
|
uv_tty_capture_initial_style(&screen_buffer_info); |
|
|
|
|
|
|
|
@ -705,25 +728,7 @@ void uv_process_tty_read_raw_req(uv_loop_t* loop, uv_tty_t* handle, |
|
|
|
} |
|
|
|
records_left--; |
|
|
|
|
|
|
|
/* If the window was resized, recompute the virtual window size. This */ |
|
|
|
/* will trigger a SIGWINCH signal if the window size changed in an */ |
|
|
|
/* way that matters to libuv. */ |
|
|
|
if (handle->tty.rd.last_input_record.EventType == WINDOW_BUFFER_SIZE_EVENT) { |
|
|
|
CONSOLE_SCREEN_BUFFER_INFO info; |
|
|
|
|
|
|
|
uv_sem_wait(&uv_tty_output_lock); |
|
|
|
|
|
|
|
if (uv_tty_output_handle != INVALID_HANDLE_VALUE && |
|
|
|
GetConsoleScreenBufferInfo(uv_tty_output_handle, &info)) { |
|
|
|
uv_tty_update_virtual_window(&info); |
|
|
|
} |
|
|
|
|
|
|
|
uv_sem_post(&uv_tty_output_lock); |
|
|
|
|
|
|
|
continue; |
|
|
|
} |
|
|
|
|
|
|
|
/* Ignore other events that are not key or resize events. */ |
|
|
|
/* Ignore other events that are not key events. */ |
|
|
|
if (handle->tty.rd.last_input_record.EventType != KEY_EVENT) { |
|
|
|
continue; |
|
|
|
} |
|
|
|
@ -1103,9 +1108,6 @@ static int uv__cancel_read_console(uv_tty_t* handle) { |
|
|
|
|
|
|
|
|
|
|
|
static void uv_tty_update_virtual_window(CONSOLE_SCREEN_BUFFER_INFO* info) { |
|
|
|
int old_virtual_width = uv_tty_virtual_width; |
|
|
|
int old_virtual_height = uv_tty_virtual_height; |
|
|
|
|
|
|
|
uv_tty_virtual_width = info->dwSize.X; |
|
|
|
uv_tty_virtual_height = info->srWindow.Bottom - info->srWindow.Top + 1; |
|
|
|
|
|
|
|
@ -1125,14 +1127,6 @@ static void uv_tty_update_virtual_window(CONSOLE_SCREEN_BUFFER_INFO* info) { |
|
|
|
if (uv_tty_virtual_offset < 0) { |
|
|
|
uv_tty_virtual_offset = 0; |
|
|
|
} |
|
|
|
|
|
|
|
/* If the virtual window size changed, emit a SIGWINCH signal. Don't emit */ |
|
|
|
/* if this was the first time the virtual window size was computed. */ |
|
|
|
if (old_virtual_width != -1 && old_virtual_height != -1 && |
|
|
|
(uv_tty_virtual_width != old_virtual_width || |
|
|
|
uv_tty_virtual_height != old_virtual_height)) { |
|
|
|
uv__signal_dispatch(SIGWINCH); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
@ -2280,3 +2274,52 @@ static void uv__determine_vterm_state(HANDLE handle) { |
|
|
|
|
|
|
|
uv__vterm_state = UV_SUPPORTED; |
|
|
|
} |
|
|
|
|
|
|
|
static DWORD WINAPI uv__tty_console_resize_message_loop_thread(void* param) { |
|
|
|
CONSOLE_SCREEN_BUFFER_INFO sb_info; |
|
|
|
MSG msg; |
|
|
|
|
|
|
|
if (!GetConsoleScreenBufferInfo(uv__tty_console_handle, &sb_info)) |
|
|
|
return 0; |
|
|
|
|
|
|
|
uv__tty_console_width = sb_info.dwSize.X; |
|
|
|
uv__tty_console_height = sb_info.srWindow.Bottom - sb_info.srWindow.Top + 1; |
|
|
|
|
|
|
|
if (!SetWinEventHook(EVENT_CONSOLE_LAYOUT, |
|
|
|
EVENT_CONSOLE_LAYOUT, |
|
|
|
NULL, |
|
|
|
uv__tty_console_resize_event, |
|
|
|
0, |
|
|
|
0, |
|
|
|
WINEVENT_OUTOFCONTEXT)) |
|
|
|
return 0; |
|
|
|
|
|
|
|
while (GetMessage(&msg, NULL, 0, 0)) { |
|
|
|
TranslateMessage(&msg); |
|
|
|
DispatchMessage(&msg); |
|
|
|
} |
|
|
|
return 0; |
|
|
|
} |
|
|
|
|
|
|
|
static void CALLBACK uv__tty_console_resize_event(HWINEVENTHOOK hWinEventHook, |
|
|
|
DWORD event, |
|
|
|
HWND hwnd, |
|
|
|
LONG idObject, |
|
|
|
LONG idChild, |
|
|
|
DWORD dwEventThread, |
|
|
|
DWORD dwmsEventTime) { |
|
|
|
CONSOLE_SCREEN_BUFFER_INFO sb_info; |
|
|
|
int width, height; |
|
|
|
|
|
|
|
if (!GetConsoleScreenBufferInfo(uv__tty_console_handle, &sb_info)) |
|
|
|
return; |
|
|
|
|
|
|
|
width = sb_info.dwSize.X; |
|
|
|
height = sb_info.srWindow.Bottom - sb_info.srWindow.Top + 1; |
|
|
|
|
|
|
|
if (width != uv__tty_console_width || height != uv__tty_console_height) { |
|
|
|
uv__tty_console_width = width; |
|
|
|
uv__tty_console_height = height; |
|
|
|
uv__signal_dispatch(SIGWINCH); |
|
|
|
} |
|
|
|
} |
|
|
|
|
cjihrig
7 years ago
Rich Trott