diff options
| -rw-r--r-- | src/fe-text/irssi.c | 2 | ||||
| -rw-r--r-- | src/fe-text/term-terminfo.c | 28 | ||||
| -rw-r--r-- | src/fe-text/term.h | 2 |
3 files changed, 32 insertions, 0 deletions
diff --git a/src/fe-text/irssi.c b/src/fe-text/irssi.c index ef443670..0288e4f1 100644 --- a/src/fe-text/irssi.c +++ b/src/fe-text/irssi.c @@ -207,6 +207,8 @@ static void textui_finish_init(void) fe_settings_set_print("nick"); if (user_settings_changed & USER_SETTINGS_HOSTNAME) fe_settings_set_print("hostname"); + + term_environment_check(); } static void textui_deinit(void) diff --git a/src/fe-text/term-terminfo.c b/src/fe-text/term-terminfo.c index 6645cfb0..ba8bdcaf 100644 --- a/src/fe-text/term-terminfo.c +++ b/src/fe-text/term-terminfo.c @@ -733,3 +733,31 @@ void term_gets(GArray *buffer, int *line_count) } } } + +static const char* term_env_warning = + "You seem to be running Irssi inside %2$s, but the TERM environment variable " + "is set to '%1$s', which can cause display glitches.\n" + "Consider changing TERM to '%2$s' or '%2$s-256color' instead."; + +void term_environment_check(void) +{ + const char *term, *sty, *tmux, *multiplexer; + + term = g_getenv("TERM"); + sty = g_getenv("STY"); + tmux = g_getenv("TMUX"); + + multiplexer = (sty && *sty) ? "screen" : + (tmux && *tmux) ? "tmux" : NULL; + + if (!multiplexer) { + return; + } + + if (term && (g_str_has_prefix(term, "screen") || + g_str_has_prefix(term, "tmux"))) { + return; + } + + g_warning(term_env_warning, term, multiplexer); +} diff --git a/src/fe-text/term.h b/src/fe-text/term.h index 0c7847f6..4b1e2874 100644 --- a/src/fe-text/term.h +++ b/src/fe-text/term.h @@ -105,4 +105,6 @@ void term_gets(GArray *buffer, int *line_count); void term_common_init(void); void term_common_deinit(void); +void term_environment_check(void); + #endif |