Remove most options from usage info.

The list was getting far too long, and is about to get even longer with
text styling options. The user is instead directed to the manpage.

Also, don't print usage to stderr if `-h` was passed.

1 files changed, 9 insertions, 63 deletions

diff --git a/src/main.c b/src/main.c
index 1feefda..500edfb 100644
--- a/src/main.c
+++ b/src/main.c
@@ -752,77 +752,23 @@ static const struct wl_surface_listener dummy_surface_listener = {
 };
 
 
-static void usage()
+static void usage(bool err)
 {
-	/*
-	 * This string literal is more than 4095 characters, which is the
-	 * maximum size guaranteed to work in C, so we have to split it.
-	 */
-	fprintf(stderr, "%s",
+	fprintf(err ? stderr : stdout, "%s",
 "Usage: tofi [options]\n"
 "\n"
+"Basic options:\n"
 "  -h, --help                           Print this message and exit.\n"
 "  -c, --config <path>                  Specify a config file.\n"
-"      --include <path>                 Include an additional config file.\n"
-"      --font <name|path>               Font to use.\n"
-"      --font-size <pt>                 Point size of text.\n"
-"      --font-features <features>       Set OpenType font features.\n"
-"      --font-variations <variations>   Set OpenType font variations.\n"
-"      --background-color <color>       Color of the background.\n"
-"      --outline-width <px>             Width of the border outlines.\n"
-"      --outline-color <color>          Color of the border outlines.\n"
-"      --border-width <px>              Width of the border.\n"
-"      --border-color <color>           Color of the border.\n"
-"      --text-color <color>             Color of text.\n"
 "      --prompt-text <string>           Prompt text.\n"
-"      --prompt-padding <px>            Padding between prompt and input.\n"
-"      --placeholder-text <string>      Placeholder input text.\n"
-"      --placeholder-color <color>      Color of placeholder input text.\n"
-"      --num-results <n>                Maximum number of results to display.\n"
-"      --selection-color <color>        Color of selected result.\n"
-"      --selection-match-color <color>  Color of the matching portion of the\n"
-"                                       selected result.\n"
-"      --selection-padding <px>         Extra horizontal padding for selected\n"
-"                                       result background.\n"
-"      --selection-background <color>   Color of selected result background.\n"
-"      --result-spacing <px>            Spacing between results.\n"
-"      --min-input-width <px>           Minimum input width in horizontal mode.\n"
 "      --width <px|%>                   Width of the window.\n"
-	);
-	fprintf(stderr, "%s",
 "      --height <px|%>                  Height of the window.\n"
-"      --corner-radius <px>             Radius of window corners.\n"
 "      --output <name>                  Name of output to display window on.\n"
-"      --scale <true|false>             Follow the output's scale factor.\n"
 "      --anchor <position>              Location on screen to anchor window.\n"
-"      --exclusive-zone <-1|px|%>       Exclusive zone size, or -1 for none.\n"
-"      --margin-top <px|%>              Offset from top of screen.\n"
-"      --margin-bottom <px|%>           Offset from bottom of screen.\n"
-"      --margin-left <px|%>             Offset from left of screen.\n"
-"      --margin-right <px|%>            Offset from right of screen.\n"
-"      --padding-top <px|%>             Padding between top border and text.\n"
-"      --padding-bottom <px|%>          Padding between bottom border and text.\n"
-"      --padding-left <px|%>            Padding between left border and text.\n"
-"      --padding-right <px|%>           Padding between right border and text.\n"
-"      --hide-cursor <true|false>       Hide the cursor.\n"
 "      --horizontal <true|false>        List results horizontally.\n"
-"      --history <true|false>           Sort results by number of usages.\n"
-"      --history-file <path>            Location of history file.\n"
 "      --fuzzy-match <true|false>       Use fuzzy matching for searching.\n"
-"      --require-match <true|false>     Require a match for selection.\n"
-"      --hide-input <true|false>        Hide sensitive input such as passwords.\n"
-"      --hidden-character <char>        Replacement character for hidden input.\n"
-"      --drun-launch <true|false>       Launch apps directly in drun mode.\n"
-"      --drun-print-exec <true|false>   Print a command line in drun mode.\n"
-"                                       This is now always the case,\n"
-"                                       and this option is deprecated.\n"
-"      --terminal <command>             Terminal to use for command line\n"
-"                                       programs in drun mode.\n"
-"      --hint-font <true|false>         Perform font hinting.\n"
-"      --multi-instance <true|false>    Allow multiple tofi instances at once.\n"
-"      --late-keyboard-init             (EXPERIMENTAL) Delay keyboard\n"
-"                                       initialisation until after the first\n"
-"                                       draw to screen.\n"
+"\n"
+"All options listed in \"man 5 tofi\" are also accpted in the form \"--key=value\".\n"
 	);
 }
 
@@ -899,14 +845,14 @@ static void parse_args(struct tofi *tofi, int argc, char *argv[])
 	int opt = getopt_long(argc, argv, short_options, long_options, &option_index);
 	while (opt != -1) {
 		if (opt == 'h') {
-			usage();
+			usage(false);
 			exit(EXIT_SUCCESS);
 		} else if (opt == 'c') {
 			config_load(tofi, optarg);
 			load_default_config = false;
 		} else if (opt == ':') {
 			log_error("Option %s requires an argument.\n", argv[optind - 1]);
-			usage();
+			usage(true);
 			exit(EXIT_FAILURE);
 		} else if (opt == '?') {
 			if (optopt) {
@@ -914,7 +860,7 @@ static void parse_args(struct tofi *tofi, int argc, char *argv[])
 			} else {
 				log_error("Unknown option %s.\n", argv[optind - 1]);
 			}
-			usage();
+			usage(true);
 			exit(EXIT_FAILURE);
 		}
 		opt = getopt_long(argc, argv, short_options, long_options, &option_index);
@@ -945,7 +891,7 @@ static void parse_args(struct tofi *tofi, int argc, char *argv[])
 
 	if (optind < argc) {
 		log_error("Unexpected non-option argument '%s'.\n", argv[optind]);
-		usage();
+		usage(true);
 		exit(EXIT_FAILURE);
 	}
 }