diff options
| -rw-r--r-- | docs/src/tty.rst | 39 | ||||
| -rw-r--r-- | include/uv.h | 15 | ||||
| -rw-r--r-- | src/unix/tty.c | 7 | ||||
| -rw-r--r-- | src/win/tty.c | 31 |
4 files changed, 81 insertions, 11 deletions
diff --git a/docs/src/tty.rst b/docs/src/tty.rst index 9889a0a0..ad379dab 100644 --- a/docs/src/tty.rst +++ b/docs/src/tty.rst @@ -33,6 +33,23 @@ Data types UV_TTY_MODE_IO } uv_tty_mode_t; +.. c:type:: uv_tty_vtermstate_t + Console virtual terminal mode type: + + :: + + typedef enum { + /* + * The console supports handling of virtual terminal sequences + * (Windows10 new console, ConEmu) + */ + UV_TTY_SUPPORTED, + /* The console cannot process virtual terminal sequences. (Legacy + * console) + */ + UV_TTY_UNSUPPORTED + } uv_tty_vtermstate_t + Public members @@ -98,3 +115,25 @@ API Gets the current Window size. On success it returns 0. .. seealso:: The :c:type:`uv_stream_t` API functions also apply. + +.. c:function:: void uv_tty_set_vterm_state(uv_tty_vtermstate_t state) + + Controls whether console virtual terminal sequences are processed by libuv + or console. + Useful in particular for enabling ConEmu support of ANSI X3.64 and Xterm + 256 colors. Otherwise Windows10 consoles are usually detected automatically. + + This function is only meaningful on Windows systems. On Unix it is silently + ignored. + + .. versionadded:: 1.33.0 + +.. c:function:: int uv_tty_get_vterm_state(uv_tty_vtermstate_t* state) + + Get the current state of whether console virtual terminal sequences are + handled by libuv or the console. + + This function is not implemented on Unix, where it returns ``UV_ENOTSUP``. + + .. versionadded:: 1.33.0 + diff --git a/include/uv.h b/include/uv.h index e9cf5d51..0e8132e4 100644 --- a/include/uv.h +++ b/include/uv.h @@ -706,10 +706,25 @@ typedef enum { UV_TTY_MODE_IO } uv_tty_mode_t; +typedef enum { + /* + * The console supports handling of virtual terminal sequences + * (Windows10 new console, ConEmu) + */ + UV_TTY_SUPPORTED, + /* The console cannot process the virtual terminal sequence. (Legacy + * console) + */ + UV_TTY_UNSUPPORTED +} uv_tty_vtermstate_t; + + UV_EXTERN int uv_tty_init(uv_loop_t*, uv_tty_t*, uv_file fd, int readable); UV_EXTERN int uv_tty_set_mode(uv_tty_t*, uv_tty_mode_t mode); UV_EXTERN int uv_tty_reset_mode(void); UV_EXTERN int uv_tty_get_winsize(uv_tty_t*, int* width, int* height); +UV_EXTERN void uv_tty_set_vterm_state(uv_tty_vtermstate_t state); +UV_EXTERN int uv_tty_get_vterm_state(uv_tty_vtermstate_t* state); #ifdef __cplusplus extern "C++" { diff --git a/src/unix/tty.c b/src/unix/tty.c index 74d3d75d..e7c520f7 100644 --- a/src/unix/tty.c +++ b/src/unix/tty.c @@ -365,3 +365,10 @@ int uv_tty_reset_mode(void) { return err; } + +void uv_tty_set_vterm_state(uv_tty_vtermstate_t state) { +} + +int uv_tty_get_vterm_state(uv_tty_vtermstate_t* state) { + return UV_ENOTSUP; +} diff --git a/src/win/tty.c b/src/win/tty.c index 72d1b5df..5d5b92d0 100644 --- a/src/win/tty.c +++ b/src/win/tty.c @@ -149,13 +149,9 @@ static char uv_tty_default_fg_bright = 0; static char uv_tty_default_bg_bright = 0; static char uv_tty_default_inverse = 0; -typedef enum { - UV_SUPPORTED, - UV_UNCHECKED, - UV_UNSUPPORTED -} uv_vtermstate_t; /* Determine whether or not ANSI support is enabled. */ -static uv_vtermstate_t uv__vterm_state = UV_UNCHECKED; +static BOOL uv__need_check_vterm_state = TRUE; +static uv_tty_vtermstate_t uv__vterm_state = UV_TTY_UNSUPPORTED; static void uv__determine_vterm_state(HANDLE handle); void uv_console_init(void) { @@ -223,7 +219,7 @@ int uv_tty_init(uv_loop_t* loop, uv_tty_t* tty, uv_file fd, int unused) { * between all uv_tty_t handles. */ uv_sem_wait(&uv_tty_output_lock); - if (uv__vterm_state == UV_UNCHECKED) + if (uv__need_check_vterm_state) uv__determine_vterm_state(handle); /* Remember the original console text attributes. */ @@ -1675,7 +1671,7 @@ static int uv_tty_write_bufs(uv_tty_t* handle, uv_buf_t buf = bufs[i]; unsigned int j; - if (uv__vterm_state == UV_SUPPORTED && buf.len > 0) { + if (uv__vterm_state == UV_TTY_SUPPORTED && buf.len > 0) { utf16_buf_used = MultiByteToWideChar(CP_UTF8, 0, buf.base, @@ -2280,18 +2276,17 @@ int uv_tty_reset_mode(void) { static void uv__determine_vterm_state(HANDLE handle) { DWORD dwMode = 0; + uv__need_check_vterm_state = FALSE; if (!GetConsoleMode(handle, &dwMode)) { - uv__vterm_state = UV_UNSUPPORTED; return; } dwMode |= ENABLE_VIRTUAL_TERMINAL_PROCESSING; if (!SetConsoleMode(handle, dwMode)) { - uv__vterm_state = UV_UNSUPPORTED; return; } - uv__vterm_state = UV_SUPPORTED; + uv__vterm_state = UV_TTY_SUPPORTED; } static DWORD WINAPI uv__tty_console_resize_message_loop_thread(void* param) { @@ -2383,3 +2378,17 @@ static void uv__tty_console_signal_resize(void) { uv_mutex_unlock(&uv__tty_console_resize_mutex); } } + +void uv_tty_set_vterm_state(uv_tty_vtermstate_t state) { + uv_sem_wait(&uv_tty_output_lock); + uv__need_check_vterm_state = FALSE; + uv__vterm_state = state; + uv_sem_post(&uv_tty_output_lock); +} + +int uv_tty_get_vterm_state(uv_tty_vtermstate_t* state) { + uv_sem_wait(&uv_tty_output_lock); + *state = uv__vterm_state; + uv_sem_post(&uv_tty_output_lock); + return 0; +} |