Allow configuration of appointment time format

Added the option to configure the format in which appointment time is
displayed. The setting is called "format.appointmenttime" under the
general settings menu. Setting defaults to previous behavior, which was
"%H:%M".

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

src/apoint.c

@@ -42,6 +42,8 @@
 #include "calcurse.h"
 #include "sha1.h"
 
+#define APPT_TIME_LENGTH 25
+
 llist_ts_t alist_p;
 
 void apoint_free(struct apoint *apt)
@@ -134,16 +136,14 @@ void apoint_sec2str(struct apoint *o, time_t day, char *start, char *end)
 	} else {
 		t = o->start;
 		localtime_r(&t, &lt);
-		snprintf(start, HRMIN_SIZE, "%02u:%02u", lt.tm_hour,
-			 lt.tm_min);
+		strftime(start, APPT_TIME_LENGTH, conf.timefmt, &lt);
 	}
 	if (o->start + o->dur > day + DAYLEN(day)) {
 		strncpy(end, "..:..", 6);
 	} else {
 		t = o->start + o->dur;
 		localtime_r(&t, &lt);
-		snprintf(end, HRMIN_SIZE, "%02u:%02u", lt.tm_hour,
-			 lt.tm_min);
+		strftime(end, APPT_TIME_LENGTH, conf.timefmt, &lt);
 	}
 }
 

src/calcurse.h

@@ -111,9 +111,6 @@
 #define STATUSHEIGHT  2
 #define MAX_NOTESIZ   40
 
-/* Format for appointment hours is: HH:MM */
-#define HRMIN_SIZE 6
-
 /* Maximum number of colors available. */
 #define NBUSERCOLORS  6
 
@@ -306,6 +303,7 @@ struct conf {
 	int input_datefmt;	/* format for reading date */
 	enum pos heading_pos; /* left/center/right for heading in appts panel */
 	char day_heading[BUFSIZ];	/* format for displaying heading in appts panel */
+	char timefmt[BUFSIZ];	/* format for displaying time in appts panel*/
 };
 
 #define EMPTY_DAY_DEFAULT "--"
@@ -338,6 +336,9 @@ enum datefmt {
 /* Day heading default format. */
 #define DAY_HEADING_DEFAULT "%B %e, %Y"
 
+/* Appointment time default format. */
+#define APPT_TIME_DEFAULT "%H:%M"
+
 /*
  * Calcurse representation of the date of a day in the calendar.
  * When time_t is a 32-bit signed integer, the year range is 1902 - 2037.

src/config.c

@@ -109,6 +109,7 @@ static const struct confvar confmap[] = {
 	{"format.inputdate", config_parse_input_datefmt, config_serialize_input_datefmt, NULL},
 	{"format.notifydate", CONFIG_HANDLER_STR(nbar.datefmt)},
 	{"format.notifytime", CONFIG_HANDLER_STR(nbar.timefmt)},
+	{"format.appointmenttime", CONFIG_HANDLER_STR(conf.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)},

src/custom.c

@@ -545,6 +545,7 @@ enum {
 	INPUT_DATE_FMT,
 	HEADING_POS,
 	DAY_HEADING_FMT,
+	APPOINTMENT_TIME_FMT,
 	NB_OPTIONS
 };
 
@@ -573,7 +574,8 @@ static void print_general_option(int i, WINDOW *win, int y, int hilt, void *cb_d
 		"format.outputdate = ",
 		"format.inputdate = ",
 		"appearance.headingposition = ",
-		"format.dayheading = "
+		"format.dayheading = ",
+		"format.appointmenttime = "
 	};
 	const char *panel;
 	const char *position;
@@ -746,6 +748,14 @@ static void print_general_option(int i, WINDOW *win, int y, int hilt, void *cb_d
 		mvwaddstr(win, y + 1, XPOS,
 			  _("(Format of the date displayed in the appointments panel)"));
 		break;
+	case APPOINTMENT_TIME_FMT:
+		custom_apply_attr(win, ATTR_HIGHEST);
+		mvwaddstr(win, y, XPOS + strlen(opt[APPOINTMENT_TIME_FMT]),
+			  conf.timefmt);
+		custom_remove_attr(win, ATTR_HIGHEST);
+		mvwaddstr(win, y + 1, XPOS,
+			  _("(Format of the time displayed in the appointments panel)"));
+		break;
 	}
 
 	if (hilt)
@@ -771,6 +781,8 @@ static void general_option_edit(int i)
 	    _("Enter a text string (an empty string for the default text)");
 	const char *output_datefmt_str =
 	    _("Enter the date format (see 'man 3 strftime' for possible formats) ");
+	const char *output_timefmt_str =
+	    _("Enter the time format (see 'man 3 strftime' for possible formats) ");
 	const char *input_datefmt_prefix = _("Enter the date format: ");
 	const char *periodic_save_str =
 	    _("Enter the delay, in minutes, between automatic saves (0 to disable) ");
@@ -893,6 +905,15 @@ static void general_option_edit(int i)
 			conf.day_heading[BUFSIZ - 1] = '\0';
 		}
 		break;
+	case APPOINTMENT_TIME_FMT:
+		status_mesg(output_timefmt_str, "");
+		strncpy(buf, conf.timefmt, BUFSIZ);
+		buf[BUFSIZ - 1] = '\0';
+		if (updatestring(win[STA].p, &buf, 0, 1) == 0) {
+			strncpy(conf.timefmt, buf, BUFSIZ);
+			conf.timefmt[BUFSIZ - 1] = '\0';
+		}
+		break;
 	}
 
 	mem_free(buf);

src/vars.c

@@ -140,6 +140,7 @@ void vars_init(void)
 	conf.input_datefmt = 1;
 	conf.heading_pos = RIGHT;
 	strcpy(conf.day_heading, DAY_HEADING_DEFAULT);
+	strcpy(conf.timefmt, APPT_TIME_DEFAULT);
 
 	datefmt_str[0] = _("mm/dd/yyyy");
 	datefmt_str[1] = _("dd/mm/yyyy");