X-Git-Url: http://git.tuebingen.mpg.de/?a=blobdiff_plain;f=gui.c;h=02d67bc67e182422528c9214a76cc3114c1bbdd0;hb=51b1505f5950528de257b18f870225feac8fa515;hp=25e852dee462d3d394723bd26935f8cfbf6ecaa7;hpb=2bd6a294428d7acb1da1b0cf7f4ed569ad0e018a;p=paraslash.git

diff --git a/gui.c b/gui.c
index 25e852de..02d67bc6 100644
--- a/gui.c
+++ b/gui.c
@@ -34,8 +34,6 @@ static int signal_pipe;
 
 static struct gui_window {
 	WINDOW *win;
-	size_t begx;
-	size_t begy;
 	size_t cols;
 	size_t lines;
 } top, bot, sb, in, sep;
@@ -51,7 +49,6 @@ static struct ringbuffer *bot_win_rb;
 
 static unsigned scroll_position;
 
-static bool curses_active;
 static pid_t cmd_pid;
 
 static int command_fds[2] = {-1, -1};
@@ -209,6 +206,12 @@ static int find_cmd_byname(char *name)
 	return -1;
 }
 
+/* isendwin() returns false before initscr() was called */
+static bool curses_active(void)
+{
+	return top.win && !isendwin();
+}
+
 /* taken from mutt */
 static char *km_keyname(int c)
 {
@@ -347,7 +350,7 @@ __printf_2_3 static void print_in_bar(int color, const char *fmt,...)
 	char *msg;
 	va_list ap;
 
-	if (!curses_active)
+	if (!curses_active())
 		return;
 	wattron(in.win, COLOR_PAIR(color));
 	va_start(ap, fmt);
@@ -493,7 +496,7 @@ __printf_2_3 static void outputf(int color, const char* fmt,...)
 	char *msg;
 	va_list ap;
 
-	if (!curses_active)
+	if (!curses_active())
 		return;
 	va_start(ap, fmt);
 	xvasprintf(&msg, fmt, ap);
@@ -506,7 +509,7 @@ static int add_output_line(char *line, void *data)
 {
 	int color = *(int *)data? COLOR_ERRMSG : COLOR_OUTPUT;
 
-	if (!curses_active)
+	if (!curses_active())
 		return 1;
 	rb_add_entry(color, para_strdup(line));
 	return 1;
@@ -521,7 +524,7 @@ static __printf_2_3 void curses_log(int ll, const char *fmt,...)
 	va_list ap;
 	unsigned bytes;
 
-	if (ll < loglevel || !curses_active)
+	if (ll < loglevel || !curses_active())
 		return;
 	switch (ll) {
 		case LL_DEBUG:
@@ -562,10 +565,7 @@ __noreturn static void kill_pg_and_die(int ret)
 
 static void shutdown_curses(void)
 {
-	if (!curses_active)
-		return;
 	def_prog_mode();
-	curses_active = false;
 	endwin();
 }
 
@@ -595,53 +595,37 @@ __noreturn __printf_2_3 static void msg_n_exit(int ret, const char* fmt, ...)
  */
 static void init_wins(int top_lines)
 {
-	top.lines = top_lines;
-	top.cols = COLS;
-	top.begy = 0;
-	top.begx = 0;
+	int top_y = 0, bot_y = top_lines + 1, sb_y = LINES - 2,
+		in_y = LINES - 1, sep_y = top_lines;
 
+	top.lines = top_lines;
 	bot.lines = LINES - top.lines - 3;
-	bot.cols = COLS;
-	bot.begy = top.lines + 1;
-	bot.begx = 0;
-
-	sb.lines = 1;
-	sb.cols = COLS;
-	sb.begy = LINES - 2;
-	sb.begx = 0;
+	sb.lines = in.lines = sep.lines = 1;
 
-	in.lines = 1;
-	in.cols = COLS;
-	in.begy = LINES - 1;
-	in.begx = 0;
-
-	sep.lines = 1;
-	sep.cols = COLS;
-	sep.begy = top.lines;
-	sep.begx = 0;
+	top.cols = bot.cols = sb.cols = in.cols = sep.cols = COLS;
 
 	assume_default_colors(theme.default_fg, theme.default_bg);
 	if (top.win) {
 		wresize(top.win, top.lines, top.cols);
-		mvwin(top.win, top.begy, top.begx);
+		mvwin(top.win, top_y, 0);
 
 		wresize(sb.win, sb.lines, sb.cols);
-		mvwin(sb.win, sb.begy, sb.begx);
+		mvwin(sb.win, sb_y, 0);
 
 		wresize(sep.win, sep.lines, sep.cols);
-		mvwin(sep.win, sep.begy, sep.begx);
+		mvwin(sep.win, sep_y, 0);
 
 		wresize(bot.win, bot.lines, bot.cols);
-		mvwin(bot.win, bot.begy, bot.begx);
+		mvwin(bot.win, bot_y, 0);
 
 		wresize(in.win, in.lines, in.cols);
-		mvwin(in.win, in.begy, in.begx);
+		mvwin(in.win, in_y, 0);
 	} else {
-		sep.win = newwin(sep.lines, sep.cols, sep.begy, sep.begx);
-		top.win = newwin(top.lines, top.cols, top.begy, top.begx);
-		bot.win = newwin(bot.lines, bot.cols, bot.begy, bot.begx);
-		sb.win = newwin(sb.lines, sb.cols, sb.begy, sb.begx);
-		in.win = newwin(in.lines, in.cols, in.begy, in.begx);
+		sep.win = newwin(sep.lines, sep.cols, sep_y, 0);
+		top.win = newwin(top.lines, top.cols, top_y, 0);
+		bot.win = newwin(bot.lines, bot.cols, bot_y, 0);
+		sb.win = newwin(sb.lines, sb.cols, sb_y, 0);
+		in.win = newwin(in.lines, in.cols, in_y, 0);
 		if (!top.win || !bot.win || !sb.win || !in.win || !sep.win)
 			msg_n_exit(1, "Error: Cannot create curses windows\n");
 		wclear(bot.win);
@@ -684,7 +668,7 @@ static void print_stat_item(int i)
 	struct stat_item_data d = theme.data[i];
 	char *c = stat_content[i];
 
-	if (!curses_active || !d.len || !c)
+	if (!curses_active() || !d.len || !c)
 		return;
 	tmp = make_message("%s%s%s", d.prefix, c, d.postfix);
 	wmove(top.win, d.y * top.lines / 100, d.x * COLS / 100);
@@ -763,7 +747,7 @@ static void print_all_items(void)
 {
 	int i;
 
-	if (!curses_active)
+	if (!curses_active())
 		return;
 	FOR_EACH_STATUS_ITEM(i)
 		print_stat_item(i);
@@ -810,7 +794,8 @@ static void init_colors_or_die(void)
 /* (Re-)initialize the curses library. */
 static void init_curses(void)
 {
-	curses_active = true;
+	if (curses_active())
+		return;
 	if (top.win && refresh() == ERR) /* refresh is really needed */
 		msg_n_exit(EXIT_FAILURE, "refresh() failed\n");
 	if (LINES < theme.lines_min || COLS < theme.cols_min)
@@ -908,7 +893,7 @@ static void handle_signal(int sig)
 			"only the good die young (caught SIGTERM))\n");
 		return;
 	case SIGWINCH:
-		if (curses_active) {
+		if (curses_active()) {
 			shutdown_curses();
 			init_curses();
 			redraw_bot_win();
@@ -1411,27 +1396,18 @@ static void com_refresh(void)
 	init_curses();
 }
 
-static void change_theme(int next)
-{
-	if (next)
-		theme_next(&theme);
-	else
-		theme_prev(&theme);
-	com_refresh();
-	PARA_NOTICE_LOG("new theme: %s\n", theme.name);
-}
-
 static void com_next_theme(void)
 {
-	change_theme(1);
+	theme_next(&theme);
+	com_refresh();
 }
 
 static void com_prev_theme(void)
 {
-	change_theme(0);
+	theme_prev(&theme);
+	com_refresh();
 }
 
-
 static void handle_command(int c)
 {
 	int i;