Merge branch '1635_lang_c_no_lines'

* 1635_lang_c_no_lines:
  Ticket #1635: No drawing lines with LANG=C

src/tty/tty-internal.h

@@ -17,4 +17,6 @@ extern gboolean ugly_line_drawing;
 /* The mouse is currently: TRUE - enabled, FALSE - disabled */
 extern gboolean mouse_enabled;
 
+char *mc_tty_normalize_from_utf8 (const char *);
+
 #endif /* MC_TTY_INTERNAL_H */

src/tty/tty-ncurses.c

@@ -73,7 +73,9 @@
 int
 mc_tty_normalize_lines_char (const char *ch)
 {
-    int i;
+    char *str2;
+    int res;
+
     struct mc_tty_lines_struct {
         const char *line;
         int line_code;
@@ -89,6 +91,7 @@ mc_tty_normalize_lines_char (const char *ch)
         {"\342\224\200", ACS_HLINE}, /* ─ */
         {"\342\224\202", ACS_VLINE}, /* │ */
         {"\342\224\274", ACS_PLUS}, /* ┼ */
+
         {"\342\225\235", ACS_LRCORNER | A_BOLD}, /* ╔ */
         {"\342\225\232", ACS_LLCORNER | A_BOLD}, /* ╗ */
         {"\342\225\227", ACS_URCORNER | A_BOLD}, /* ╚ */
@@ -99,19 +102,26 @@ mc_tty_normalize_lines_char (const char *ch)
         {"\342\225\247", ACS_BTEE | A_BOLD}, /* ╧ */
         {"\342\225\220", ACS_HLINE | A_BOLD}, /* ═ */
         {"\342\225\221", ACS_VLINE | A_BOLD}, /* ║ */
+
         {NULL, 0}
     };
 
     if (ch == NULL)
         return (int) ' ';
 
-    for (i = 0; lines_codes[i].line; i++) {
+    for (res = 0; lines_codes[res].line; res++) {
-        if (strcmp (ch, lines_codes[i].line) == 0)
+        if (strcmp (ch, lines_codes[res].line) == 0)
-            return lines_codes[i].line_code;
+            return lines_codes[res].line_code;
     }
 
-    return (int) ' ';
+    str2 = mc_tty_normalize_from_utf8 (ch);
+    res = g_utf8_get_char_validated (str2, -1);
 
+    if (res < 0)
+        res = (unsigned char) str2[0];
+    g_free (str2);
+
+    return res;
 }
 
 /* --------------------------------------------------------------------------------------------- */

src/tty/tty-slang.c

@@ -191,32 +191,6 @@ load_terminfo_keys (void)
         do_define_key (key_table[i].key_code, key_table[i].key_name);
 }
 
-static char *
-mc_tty_normalize_from_utf8 (const char *str)
-{
-    GIConv conv;
-    GString *buffer;
-    const char *_system_codepage = str_detect_termencoding ();
-
-    if (str_isutf8 (_system_codepage))
-        return g_strdup (str);
-
-    conv = g_iconv_open (_system_codepage, "UTF-8");
-    if (conv == INVALID_CONV)
-        return g_strdup (str);
-
-    buffer = g_string_new ("");
-
-    if (str_convert (conv, str, buffer) == ESTR_FAILURE) {
-        g_string_free (buffer, TRUE);
-        str_close_conv (conv);
-        return g_strdup (str);
-    }
-    str_close_conv (conv);
-
-    return g_string_free (buffer, FALSE);
-}
-
 /* --------------------------------------------------------------------------------------------- */
 /*** public functions **************************************************/
 /* --------------------------------------------------------------------------------------------- */
@@ -227,8 +201,33 @@ mc_tty_normalize_lines_char (const char *str)
     char *str2;
     int res;
 
+    struct mc_tty_lines_struct {
+        const char *line;
+        int line_code;
+    } const lines_codes[] = {
+        {"\342\224\214", SLSMG_ULCORN_CHAR},
+        {"\342\224\220", SLSMG_URCORN_CHAR},
+        {"\342\224\224", SLSMG_LLCORN_CHAR},
+        {"\342\224\230", SLSMG_LRCORN_CHAR},
+        {"\342\224\234", SLSMG_LTEE_CHAR},
+        {"\342\224\244", SLSMG_RTEE_CHAR},
+        {"\342\224\254", SLSMG_UTEE_CHAR},
+        {"\342\224\264", SLSMG_DTEE_CHAR},
+        {"\342\224\200", SLSMG_HLINE_CHAR},
+        {"\342\224\202", SLSMG_VLINE_CHAR},
+        {"\342\224\274", SLSMG_PLUS_CHAR},
+
+        {NULL, 0}
+    };
+
     if (!str)
         return (int) ' ';
+
+    for (res = 0; lines_codes[res].line; res++) {
+        if (strcmp (str, lines_codes[res].line) == 0)
+            return lines_codes[res].line_code;
+    }
+
     str2 = mc_tty_normalize_from_utf8 (str);
     res = g_utf8_get_char_validated (str2, -1);
 

src/tty/tty.c

@@ -148,3 +148,29 @@ tty_draw_box (int y, int x, int ys, int xs)
     tty_gotoyx (y + ys - 1, x + xs - 1);
     tty_print_alt_char (mc_tty_ugly_frm[MC_TTY_FRM_rightbottom]);
 }
+
+char *
+mc_tty_normalize_from_utf8 (const char *str)
+{
+    GIConv conv;
+    GString *buffer;
+    const char *_system_codepage = str_detect_termencoding ();
+
+    if (str_isutf8 (_system_codepage))
+        return g_strdup (str);
+
+    conv = g_iconv_open (_system_codepage, "UTF-8");
+    if (conv == INVALID_CONV)
+        return g_strdup (str);
+
+    buffer = g_string_new ("");
+
+    if (str_convert (conv, str, buffer) == ESTR_FAILURE) {
+        g_string_free (buffer, TRUE);
+        str_close_conv (conv);
+        return g_strdup (str);
+    }
+    str_close_conv (conv);
+
+    return g_string_free (buffer, FALSE);
+}