Add command line option to suppress dialogs

Implement a -q/--quiet command line option to disable system dialogs
temporarily.

Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>

src/args.c

@@ -459,7 +459,7 @@ int parse_args(int argc, char **argv)
 	int ch;
 	regex_t reg;
 
-	static const char *optstr = "FgGhvnNax::t::d:c:r::s::S:D:i:l:Q";
+	static const char *optstr = "FgGhvnNax::t::d:c:r::s::S:D:i:l:qQ";
 
 	struct option longopts[] = {
 		{"appointment", no_argument, NULL, 'a'},
@@ -480,6 +480,7 @@ int parse_args(int argc, char **argv)
 		{"todo", optional_argument, NULL, 't'},
 		{"version", no_argument, NULL, 'v'},
 		{"export", optional_argument, NULL, 'x'},
+		{"quiet", no_argument, NULL, 'q'},
 		{"query", optional_argument, NULL, 'Q'},
 
 		{"filter-type", required_argument, NULL, OPT_FILTER_TYPE},
@@ -602,6 +603,9 @@ int parse_args(int argc, char **argv)
 					     optarg);
 			}
 			break;
+		case 'q':
+			quiet = 1;
+			break;
 		case 'Q':
 			query = 1;
 			break;

src/calcurse.c

@@ -610,7 +610,7 @@ int main(int argc, char **argv)
 	 * implicitly calling wrefresh() later (causing ncurses race conditions).
 	 */
 	wins_wrefresh(win[KEY].p);
-	if (conf.system_dialogs) {
+	if (show_dialogs()) {
 		wins_update(FLAG_ALL);
 		io_startup_screen(no_data_file);
 	}

src/calcurse.h

@@ -1122,6 +1122,7 @@ int asprintf(char **, const char *, ...);
 int starts_with(const char *, const char *);
 int starts_with_ci(const char *, const char *);
 int hash_matches(const char *, const char *);
+int show_dialogs(void);
 
 /* vars.c */
 extern int col, row;
@@ -1130,6 +1131,7 @@ extern unsigned colorize;
 extern int foreground, background;
 extern enum ui_mode ui_mode;
 extern int read_only;
+extern int quiet;
 extern int want_reload;
 extern const char *datefmt_str[DATE_FORMATS];
 extern int days[12];

src/io.c

@@ -425,7 +425,7 @@ void io_save_cal(enum save_display display)
 
 	/* Print a message telling data were saved */
 	if (ui_mode == UI_CURSES && display == IO_SAVE_DISPLAY_BAR &&
-	    conf.system_dialogs) {
+	    show_dialogs()) {
 		status_mesg(save_success, enter);
 		wgetch(win[KEY].p);
 	}
@@ -794,7 +794,7 @@ void io_reload_data(void)
 	ui_todo_load_items();
 	ui_todo_sel_reset();
 
-	if (conf.system_dialogs) {
+	if (show_dialogs()) {
 		status_mesg(reload_success, enter);
 		wgetch(win[KEY].p);
 	}
@@ -1113,7 +1113,7 @@ void io_export_data(enum export_type type)
 	else if (type == IO_EXPORT_PCAL)
 		pcal_export_data(stream);
 
-	if (conf.system_dialogs && ui_mode == UI_CURSES) {
+	if (show_dialogs() && ui_mode == UI_CURSES) {
 		status_mesg(success, enter);
 		wgetch(win[KEY].p);
 	}
@@ -1211,7 +1211,7 @@ void io_import_data(enum import_type type, const char *stream_name)
 		 stats.todos);
 	asprintf(&stats_str[3], _("%d skipped"), stats.skipped);
 
-	if (ui_mode == UI_CURSES && conf.system_dialogs) {
+	if (ui_mode == UI_CURSES && show_dialogs()) {
 		char *read, *stat;
 
 		asprintf(&read, proc_report, stats.lines);

src/utils.c

@@ -1653,3 +1653,8 @@ int hash_matches(const char *pattern, const char *hash)
 
 	return (starts_with(hash, pattern) != invert);
 }
+
+int show_dialogs(void)
+{
+	return (!quiet) && conf.system_dialogs;
+}

src/vars.c

@@ -61,6 +61,9 @@ enum ui_mode ui_mode = UI_CMDLINE;
 /* Don't save anything if this is set. */
 int read_only = 0;
 
+/* Hide system dialogs if set. */
+int quiet = 0;
+
 /* Applications can trigger a reload by sending SIGUSR1. */
 int want_reload = 0;