degesch: print out some basic help

1 files changed, 51 insertions, 31 deletions

diff --git a/degesch.c b/degesch.c
index c5e94b9..3fe9b38 100644
--- a/degesch.c
+++ b/degesch.c
@@ -1814,48 +1814,68 @@ handle_command_quote (struct app_context *ctx, char *arguments)
 
 static struct command_handler
 {
-	char *name;
+	const char *name;
 	void (*handler) (struct app_context *ctx, char *arguments);
-	// TODO: probably also a usage string
+	const char *description;
+	const char *usage;
 }
 g_command_handlers[] =
 {
-	{ "help",    handle_command_help   },
-	{ "quit",    handle_command_quit   },
-	{ "buffer",  handle_command_buffer },
+	{ "help",    handle_command_help,   "Show help",
+	  "[command]" },
+	{ "quit",    handle_command_quit,   "Quit the program",
+	  "[message]" },
+	{ "buffer",  handle_command_buffer, "Manage buffers",
+	  "list | clear | move | { close [<number> | <name>] } | <number>" },
 #if 0
-	{ "msg",     NULL },
-	{ "query",   NULL },
-	{ "notice",  NULL },
-	{ "ctcp",    NULL },
-	{ "me",      NULL },
-
-	{ "join",    NULL },
-	{ "part",    NULL },
-	{ "cycle",   NULL },
-
-	{ "mode",    NULL },
-	{ "topic",   NULL },
-	{ "kick",    NULL },
-	{ "kickban", NULL },
-	{ "ban",     NULL },
-	{ "invite",  NULL },
-
-	{ "list",    NULL },
-	{ "names",   NULL },
-	{ "who",     NULL },
-	{ "whois",   NULL },
-
-	{ "motd",    NULL },
-	{ "away",    NULL },
+	{ "msg",     NULL, "", "" },
+	{ "query",   NULL, "", "" },
+	{ "notice",  NULL, "", "" },
+	{ "ctcp",    NULL, "", "" },
+	{ "me",      NULL, "", "" },
+
+	{ "join",    NULL, "", "" },
+	{ "part",    NULL, "", "" },
+	{ "cycle",   NULL, "", "" },
+
+	{ "mode",    NULL, "", "" },
+	{ "topic",   NULL, "", "" },
+	{ "kick",    NULL, "", "" },
+	{ "kickban", NULL, "", "" },
+	{ "ban",     NULL, "", "" },
+	{ "invite",  NULL, "", "" },
+
+	{ "list",    NULL, "", "" },
+	{ "names",   NULL, "", "" },
+	{ "who",     NULL, "", "" },
+	{ "whois",   NULL, "", "" },
+
+	{ "motd",    NULL, "", "" },
+	{ "away",    NULL, "", "" },
 #endif
-	{ "quote",   handle_command_quote  },
+	{ "quote",   handle_command_quote,  "Send a raw command to the server",
+	  "command" },
 };
 
 static void
 handle_command_help (struct app_context *ctx, char *arguments)
 {
-	// TODO: show a list of all user commands
+	if (*arguments)
+	{
+		char *command = cut_word (&arguments);
+		// TODO: search for the command and show specific help
+		return;
+	}
+
+	buffer_send_status (ctx, ctx->global_buffer, "Commands:");
+	for (size_t i = 0; i < N_ELEMENTS (g_command_handlers); i++)
+	{
+		struct command_handler *iter = &g_command_handlers[i];
+		buffer_send_status (ctx, ctx->global_buffer,
+			"  %s: %s", iter->name, iter->description);
+		buffer_send_status (ctx, ctx->global_buffer,
+			"    Arguments: %s", iter->usage);
+	}
 }
 
 static int