From 5254e1035c5945407ee354276f839426fc17e432 Mon Sep 17 00:00:00 2001 From: "C. McEnroe" Date: Sun, 9 Feb 2020 14:09:27 -0500 Subject: [PATCH] Add /help Now with automatic search! Also had to fix the SIGCHLD handling... --- catgirl.1 | 6 ++++++ chat.c | 2 ++ command.c | 19 +++++++++++++++++++ ui.c | 7 +++++++ 4 files changed, 34 insertions(+) diff --git a/catgirl.1 b/catgirl.1 index eb7310d..5772db3 100644 --- a/catgirl.1 +++ b/catgirl.1 @@ -179,6 +179,12 @@ or matching Toggle logging in the .Sy window. +.It Ic /help Op Ar search +View this manual. +Type +.Ic q +to return to +.Nm . .It Ic /open Op Ar count Open each of .Ar count diff --git a/chat.c b/chat.c index dbad242..ff74485 100644 --- a/chat.c +++ b/chat.c @@ -191,6 +191,7 @@ int main(int argc, char *argv[]) { if (signals[SIGINT] || signals[SIGTERM]) break; if (signals[SIGCHLD]) { + signals[SIGCHLD] = 0; int status; while (0 < waitpid(-1, &status, WNOHANG)) { if (WIFEXITED(status) && WEXITSTATUS(status)) { @@ -206,6 +207,7 @@ int main(int argc, char *argv[]) { ); } } + uiShow(); } if (signals[SIGWINCH]) { diff --git a/command.c b/command.c index f88a6d5..44d0d54 100644 --- a/command.c +++ b/command.c @@ -18,6 +18,7 @@ #include #include #include +#include #include "chat.h" @@ -158,6 +159,23 @@ static void commandCopy(size_t id, char *params) { urlCopyMatch(id, params); } +static void commandHelp(size_t id, char *params) { + (void)id; + uiHide(); + + pid_t pid = fork(); + if (pid < 0) err(EX_OSERR, "fork"); + if (pid) return; + + char buf[256]; + snprintf(buf, sizeof(buf), "ip%s$", (params ? params : "COMMANDS")); + setenv("LESS", buf, 1); + execlp("man", "man", "1", "catgirl", NULL); + dup2(procPipe[1], STDERR_FILENO); + warn("man"); + _exit(EX_UNAVAILABLE); +} + static const struct Handler { const char *cmd; Command *fn; @@ -165,6 +183,7 @@ static const struct Handler { { "/close", commandClose }, { "/copy", commandCopy }, { "/debug", commandDebug }, + { "/help", commandHelp }, { "/join", commandJoin }, { "/me", commandMe }, { "/names", commandNames }, diff --git a/ui.c b/ui.c index 9abfffc..66a9c59 100644 --- a/ui.c +++ b/ui.c @@ -156,13 +156,18 @@ static const char *ExitFocusMode = "\33[?1004l"; static const char *EnterPasteMode = "\33[?2004h"; static const char *ExitPasteMode = "\33[?2004l"; +static bool hidden; + void uiShow(void) { putp(EnterFocusMode); putp(EnterPasteMode); fflush(stdout); + hidden = false; + uiDraw(); } void uiHide(void) { + hidden = true; putp(ExitFocusMode); putp(ExitPasteMode); endwin(); @@ -250,6 +255,7 @@ void uiInit(void) { } void uiDraw(void) { + if (hidden) return; wnoutrefresh(status); struct Window *window = windows.active; pnoutrefresh( @@ -755,6 +761,7 @@ static void keyStyle(wchar_t ch) { } void uiRead(void) { + if (hidden) return; int ret; wint_t ch; static bool style;