add compile-time option to improve output on dumb non-UTF8 terminals

This makes atleast feeds with simple ASCII work.

3 files changed, 18 insertions, 5 deletions

diff --git a/sfeed_curses.c b/sfeed_curses.c
index 2167b7a..734427c 100644
--- a/sfeed_curses.c
+++ b/sfeed_curses.c
@@ -32,12 +32,17 @@
 #define MAX(a,b) ((a) > (b) ? (a) : (b))
 #define MIN(a,b) ((a) < (b) ? (a) : (b))
 
-#define PAD_TRUNCATE_SYMBOL    "\xe2\x80\xa6" /* symbol: "ellipsis" */
+#ifndef SFEED_DUMBTERM
 #define SCROLLBAR_SYMBOL_BAR   "\xe2\x94\x82" /* symbol: "light vertical" */
 #define SCROLLBAR_SYMBOL_TICK  " "
 #define LINEBAR_SYMBOL_BAR     "\xe2\x94\x80" /* symbol: "light horizontal" */
 #define LINEBAR_SYMBOL_RIGHT   "\xe2\x94\xa4" /* symbol: "light vertical and left" */
-#define UTF_INVALID_SYMBOL     "\xef\xbf\xbd" /* symbol: "replacement" */
+#else
+#define SCROLLBAR_SYMBOL_BAR   "|" /* symbol: "light vertical" */
+#define SCROLLBAR_SYMBOL_TICK  " "
+#define LINEBAR_SYMBOL_BAR     "-" /* symbol: "light horizontal" */
+#define LINEBAR_SYMBOL_RIGHT   "|" /* symbol: "light vertical and left" */
+#endif
 
 /* color-theme */
 #ifndef SFEED_THEME
diff --git a/util.c b/util.c
index f1eff23..db43e0c 100644
--- a/util.c
+++ b/util.c
@@ -354,11 +354,11 @@ printutf8pad(FILE *fp, const char *s, size_t len, int pad)
 			}
 
 			if (col + w > len || (col + w == len && s[i + inc])) {
-				fputs("\xe2\x80\xa6", fp); /* ellipsis */
+				fputs(PAD_TRUNCATE_SYMBOL, fp); /* ellipsis */
 				col++;
 				break;
 			} else if (rl < 0) {
-				fputs("\xef\xbf\xbd", fp); /* replacement */
+				fputs(UTF_INVALID_SYMBOL, fp); /* replacement */
 				col++;
 				continue;
 			}
@@ -367,7 +367,7 @@ printutf8pad(FILE *fp, const char *s, size_t len, int pad)
 		} else {
 			/* optimization: simple ASCII character */
 			if (col + 1 > len || (col + 1 == len && s[i + 1])) {
-				fputs("\xe2\x80\xa6", fp); /* ellipsis */
+				fputs(PAD_TRUNCATE_SYMBOL, fp); /* ellipsis */
 				col++;
 				break;
 			}
diff --git a/util.h b/util.h
index 61eeb26..6115dcf 100644
--- a/util.h
+++ b/util.h
@@ -16,6 +16,14 @@ size_t strlcat(char *, const char *, size_t);
 #undef strlcpy
 size_t strlcpy(char *, const char *, size_t);
 
+#ifndef SFEED_DUMBTERM
+#define PAD_TRUNCATE_SYMBOL    "\xe2\x80\xa6" /* symbol: "ellipsis" */
+#define UTF_INVALID_SYMBOL     "\xef\xbf\xbd" /* symbol: "replacement" */
+#else
+#define PAD_TRUNCATE_SYMBOL    "." /* symbol: "ellipsis" */
+#define UTF_INVALID_SYMBOL     "?" /* symbol: "replacement" */
+#endif
+
 /* feed info */
 struct feed {
 	char         *name;     /* feed name */