Make heading in appointments panel configurable

Add a new configuration variable format.dayheading to set the format of
the date displayed at the top of the event and appointment list.

Signed-off-by: Lars Henriksen <LarsHenriksen@get2net.dk>
Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>

src/calcurse.h

@@ -264,6 +264,7 @@ struct conf {
 	const char *mergetool;
 	char output_datefmt[BUFSIZ];	/* format for displaying date */
 	int input_datefmt;	/* format for reading date */
+	char day_heading[BUFSIZ];	/* format for displaying heading in appts panel */
 };
 
 /* Daemon-related configuration. */
@@ -291,6 +292,9 @@ enum datefmt {
     _("mm/dd/yyyy") : (datefmt == DATEFMT_DDMMYYYY ? _("dd/mm/yyyy") :        \
     (datefmt == DATEFMT_YYYYMMDD ? _("yyyy/mm/dd") : _("yyyy-mm-dd"))))
 
+/* Day heading default format. */
+#define DAY_HEADING_DEFAULT "%B %-d, %Y"
+
 struct date {
 	unsigned dd;
 	unsigned mm;

src/config.c

@@ -102,6 +102,7 @@ static const struct confvar confmap[] = {
 	{"format.notifydate", CONFIG_HANDLER_STR(nbar.datefmt)},
 	{"format.notifytime", CONFIG_HANDLER_STR(nbar.timefmt)},
 	{"format.outputdate", config_parse_output_datefmt, config_serialize_output_datefmt, NULL},
+	{"format.dayheading", CONFIG_HANDLER_STR(conf.day_heading)},
 	{"general.autogc", CONFIG_HANDLER_BOOL(conf.auto_gc)},
 	{"general.autosave", CONFIG_HANDLER_BOOL(conf.auto_save)},
 	{"general.confirmdelete", CONFIG_HANDLER_BOOL(conf.confirm_delete)},

src/custom.c

@@ -531,6 +531,7 @@ enum {
 	FIRST_DAY_OF_WEEK,
 	OUTPUT_DATE_FMT,
 	INPUT_DATE_FMT,
+	DAY_HEADING_FMT,
 	NB_OPTIONS
 };
 
@@ -550,7 +551,8 @@ static void print_general_option(int i, WINDOW *win, int y, int hilt, void *cb_d
 		"general.progressbar = ",
 		"general.firstdayofweek = ",
 		"format.outputdate = ",
-		"format.inputdate = "
+		"format.inputdate = ",
+		"format.dayheading = "
 	};
 	const char *panel;
 
@@ -654,6 +656,14 @@ static void print_general_option(int i, WINDOW *win, int y, int hilt, void *cb_d
 			  datefmt_str[0], datefmt_str[1], datefmt_str[2],
 			  datefmt_str[3]);
 		break;
+	case DAY_HEADING_FMT:
+		custom_apply_attr(win, ATTR_HIGHEST);
+		mvwaddstr(win, y, XPOS + strlen(opt[DAY_HEADING_FMT]),
+			  conf.day_heading);
+		custom_remove_attr(win, ATTR_HIGHEST);
+		mvwaddstr(win, y + 1, XPOS,
+			  _("(Format of the date displayed in the appointments panel)"));
+		break;
 	}
 
 	if (hilt)
@@ -752,6 +762,14 @@ static void general_option_edit(int i)
 		if (val != -1)
 			conf.input_datefmt = val;
 		break;
+	case DAY_HEADING_FMT:
+		status_mesg(output_datefmt_str, "");
+		strcpy(buf, conf.day_heading);
+		if (updatestring(win[STA].p, &buf, 0, 1) == 0) {
+			strcpy(conf.day_heading, buf);
+		}
+		status_mesg(number_str, keys);
+		break;
 	}
 
 	mem_free(buf);

src/ui-day.c

@@ -909,6 +909,17 @@ void ui_day_sel_move(int delta)
 	listbox_sel_move(&lb_apt, delta);
 }
 
+static char *fmt_day_heading(time_t date)
+{
+	struct tm tm;
+	struct string s;
+
+	localtime_r(&date, &tm);
+	string_printf(&s, "%s ", ui_calendar_get_pom(date));
+	string_catftime(&s, conf.day_heading, &tm);
+	return string_buf(&s);
+}
+
 /* Display appointments in the corresponding panel. */
 void ui_day_draw(int n, WINDOW *win, int y, int hilt, void *cb_data)
 {
@@ -918,20 +929,18 @@ void ui_day_draw(int n, WINDOW *win, int y, int hilt, void *cb_data)
 	int width = lb_apt.sw.w - 2;
 
 	hilt = hilt && (wins_slctd() == APP);
-
 	if (item->type == EVNT || item->type == RECUR_EVNT) {
 		day_display_item(item, win, !hilt, width - 1, y, 1);
 	} else if (item->type == APPT || item->type == RECUR_APPT) {
 		day_display_item_date(item, win, !hilt, date, y, 1);
 		day_display_item(item, win, !hilt, width - 1, y + 1, 1);
 	} else if (item->type == DAY_HEADING) {
-		unsigned x = width - (strlen(_(monthnames[slctd_date.mm - 1])) + 15);
+		char *buf = fmt_day_heading(date);
+		utf8_chop(buf, width);
 		custom_apply_attr(win, ATTR_HIGHEST);
-		mvwprintw(win, y, x, "%s  %s %02d, %04d",
+		mvwprintw(win, y, width - utf8_strwidth(buf) - 1, "%s", buf);
-			  ui_calendar_get_pom(date),
-			  _(monthnames[slctd_date.mm - 1]), slctd_date.dd,
-			  slctd_date.yyyy);
 		custom_remove_attr(win, ATTR_HIGHEST);
+		mem_free(buf);
 	} else if (item->type == DAY_SEPARATOR) {
 		wmove(win, y, 0);
 		whline(win, 0, width);

src/vars.c

@@ -147,6 +147,7 @@ void vars_init(void)
 	conf.progress_bar = 1;
 	strncpy(conf.output_datefmt, "%D", 3);
 	conf.input_datefmt = 1;
+	strcpy(conf.day_heading, DAY_HEADING_DEFAULT);
 
 	datefmt_str[0] = _("mm/dd/yyyy");
 	datefmt_str[1] = _("dd/mm/yyyy");