+#ifndef ACS_LRCORNER
+# define ACS_LRCORNER '+'
+#endif
+#ifndef ACS_LLCORNER
+# define ACS_LLCORNER '+'
+#endif
+#ifndef ACS_ULCORNER
+# define ACS_ULCORNER '+'
+#endif
+#ifndef ACS_URCORNER
+# define ACS_URCORNER '+'
+#endif
+#ifndef ACS_HLINE
+# define ACS_HLINE '-'
+#endif
+#ifndef ACS_VLINE
+# define ACS_VLINE '|'
+#endif
+
+/* Possible values for tui-border-kind variable. */
+static const char *tui_border_kind_enums[] = {
+ "space",
+ "ascii",
+ "acs",
+ NULL
+};
+
+/* Possible values for tui-border-mode and tui-active-border-mode. */
+static const char *tui_border_mode_enums[] = {
+ "normal",
+ "standout",
+ "reverse",
+ "half",
+ "half-standout",
+ "bold",
+ "bold-standout",
+ NULL
+};
+
+struct tui_translate
+{
+ const char *name;
+ int value;
+};
+
+/* Translation table for border-mode variables.
+ The list of values must be terminated by a NULL.
+ After the NULL value, an entry defines the default. */
+struct tui_translate tui_border_mode_translate[] = {
+ { "normal", A_NORMAL },
+ { "standout", A_STANDOUT },
+ { "reverse", A_REVERSE },
+ { "half", A_DIM },
+ { "half-standout", A_DIM | A_STANDOUT },
+ { "bold", A_BOLD },
+ { "bold-standout", A_BOLD | A_STANDOUT },
+ { 0, 0 },
+ { "normal", A_NORMAL }
+};
+
+/* Translation tables for border-kind, one for each border
+ character (see wborder, border curses operations).
+ -1 is used to indicate the ACS because ACS characters
+ are determined at run time by curses (depends on terminal). */
+struct tui_translate tui_border_kind_translate_vline[] = {
+ { "space", ' ' },
+ { "ascii", '|' },
+ { "acs", -1 },
+ { 0, 0 },
+ { "ascii", '|' }
+};
+
+struct tui_translate tui_border_kind_translate_hline[] = {
+ { "space", ' ' },
+ { "ascii", '-' },
+ { "acs", -1 },
+ { 0, 0 },
+ { "ascii", '-' }
+};
+
+struct tui_translate tui_border_kind_translate_ulcorner[] = {
+ { "space", ' ' },
+ { "ascii", '+' },
+ { "acs", -1 },
+ { 0, 0 },
+ { "ascii", '+' }
+};
+
+struct tui_translate tui_border_kind_translate_urcorner[] = {
+ { "space", ' ' },
+ { "ascii", '+' },
+ { "acs", -1 },
+ { 0, 0 },
+ { "ascii", '+' }
+};
+
+struct tui_translate tui_border_kind_translate_llcorner[] = {
+ { "space", ' ' },
+ { "ascii", '+' },
+ { "acs", -1 },
+ { 0, 0 },
+ { "ascii", '+' }
+};
+
+struct tui_translate tui_border_kind_translate_lrcorner[] = {
+ { "space", ' ' },
+ { "ascii", '+' },
+ { "acs", -1 },
+ { 0, 0 },
+ { "ascii", '+' }
+};
+
+
+/* Tui configuration variables controlled with set/show command. */
+const char *tui_active_border_mode = "bold-standout";
+const char *tui_border_mode = "normal";
+const char *tui_border_kind = "acs";
+
+/* Tui internal configuration variables. These variables are
+ updated by tui_update_variables to reflect the tui configuration
+ variables. */
+chtype tui_border_vline;
+chtype tui_border_hline;
+chtype tui_border_ulcorner;
+chtype tui_border_urcorner;
+chtype tui_border_llcorner;
+chtype tui_border_lrcorner;
+
+int tui_border_attrs;
+int tui_active_border_attrs;
+
+/* Identify the item in the translation table.
+ When the item is not recognized, use the default entry. */
+static struct tui_translate *
+translate (const char *name, struct tui_translate *table)
+{
+ while (table->name)
+ {
+ if (name && strcmp (table->name, name) == 0)
+ return table;
+ table++;
+ }
+
+ /* Not found, return default entry. */
+ table++;
+ return table;
+}
+
+/* Update the tui internal configuration according to gdb settings.
+ Returns 1 if the configuration has changed and the screen should
+ be redrawn. */
+int
+tui_update_variables ()
+{
+ int need_redraw = 0;
+ struct tui_translate *entry;
+
+ entry = translate (tui_border_mode, tui_border_mode_translate);
+ if (tui_border_attrs != entry->value)
+ {
+ tui_border_attrs = entry->value;
+ need_redraw = 1;
+ }
+ entry = translate (tui_active_border_mode, tui_border_mode_translate);
+ if (tui_active_border_attrs != entry->value)
+ {
+ tui_active_border_attrs = entry->value;
+ need_redraw = 1;
+ }
+
+ /* If one corner changes, all characters are changed.
+ Only check the first one. The ACS characters are determined at
+ run time by curses terminal management. */
+ entry = translate (tui_border_kind, tui_border_kind_translate_lrcorner);
+ if (tui_border_lrcorner != (chtype) entry->value)
+ {
+ tui_border_lrcorner = (entry->value < 0) ? ACS_LRCORNER : entry->value;
+ need_redraw = 1;
+ }
+ entry = translate (tui_border_kind, tui_border_kind_translate_llcorner);
+ tui_border_llcorner = (entry->value < 0) ? ACS_LLCORNER : entry->value;
+
+ entry = translate (tui_border_kind, tui_border_kind_translate_ulcorner);
+ tui_border_ulcorner = (entry->value < 0) ? ACS_ULCORNER : entry->value;
+
+ entry = translate (tui_border_kind, tui_border_kind_translate_urcorner);
+ tui_border_urcorner = (entry->value < 0) ? ACS_URCORNER : entry->value;
+
+ entry = translate (tui_border_kind, tui_border_kind_translate_hline);
+ tui_border_hline = (entry->value < 0) ? ACS_HLINE : entry->value;
+
+ entry = translate (tui_border_kind, tui_border_kind_translate_vline);
+ tui_border_vline = (entry->value < 0) ? ACS_VLINE : entry->value;
+
+ return need_redraw;
+}
+
+static void
+set_tui_cmd (char *args, int from_tty)
+{
+}
+
+static void
+show_tui_cmd (char *args, int from_tty)
+{
+}
+