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Diffstat (limited to 'scripts/kconfig/nconf.gui.c')
-rw-r--r--scripts/kconfig/nconf.gui.c59
1 files changed, 47 insertions, 12 deletions
diff --git a/scripts/kconfig/nconf.gui.c b/scripts/kconfig/nconf.gui.c
index f8137b3a538..3b18dd83966 100644
--- a/scripts/kconfig/nconf.gui.c
+++ b/scripts/kconfig/nconf.gui.c
@@ -356,7 +356,7 @@ int btn_dialog(WINDOW *main_window, const char *msg, int btn_num, ...)
int dialog_inputbox(WINDOW *main_window,
const char *title, const char *prompt,
- const char *init, char *result, int result_len)
+ const char *init, char **resultp, int *result_len)
{
int prompt_lines = 0;
int prompt_width = 0;
@@ -367,7 +367,13 @@ int dialog_inputbox(WINDOW *main_window,
int i, x, y;
int res = -1;
int cursor_position = strlen(init);
+ int cursor_form_win;
+ char *result = *resultp;
+ if (strlen(init)+1 > *result_len) {
+ *result_len = strlen(init)+1;
+ *resultp = result = realloc(result, *result_len);
+ }
/* find the widest line of msg: */
prompt_lines = get_line_no(prompt);
@@ -384,7 +390,7 @@ int dialog_inputbox(WINDOW *main_window,
y = (LINES-(prompt_lines+4))/2;
x = (COLS-(prompt_width+4))/2;
- strncpy(result, init, result_len);
+ strncpy(result, init, *result_len);
/* create the windows */
win = newwin(prompt_lines+6, prompt_width+7, y, x);
@@ -405,7 +411,9 @@ int dialog_inputbox(WINDOW *main_window,
fill_window(prompt_win, prompt);
mvwprintw(form_win, 0, 0, "%*s", prompt_width, " ");
- mvwprintw(form_win, 0, 0, "%s", result);
+ cursor_form_win = min(cursor_position, prompt_width-1);
+ mvwprintw(form_win, 0, 0, "%s",
+ result + cursor_position-cursor_form_win);
/* create panels */
panel = new_panel(win);
@@ -431,6 +439,8 @@ int dialog_inputbox(WINDOW *main_window,
&result[cursor_position],
len-cursor_position+1);
cursor_position--;
+ cursor_form_win--;
+ len--;
}
break;
case KEY_DC:
@@ -438,38 +448,63 @@ int dialog_inputbox(WINDOW *main_window,
memmove(&result[cursor_position],
&result[cursor_position+1],
len-cursor_position+1);
+ len--;
}
break;
case KEY_UP:
case KEY_RIGHT:
- if (cursor_position < len &&
- cursor_position < min(result_len, prompt_width))
+ if (cursor_position < len) {
cursor_position++;
+ cursor_form_win++;
+ }
break;
case KEY_DOWN:
case KEY_LEFT:
- if (cursor_position > 0)
+ if (cursor_position > 0) {
cursor_position--;
+ cursor_form_win--;
+ }
+ break;
+ case KEY_HOME:
+ cursor_position = 0;
+ cursor_form_win = 0;
+ break;
+ case KEY_END:
+ cursor_position = len;
+ cursor_form_win = min(cursor_position, prompt_width-1);
break;
default:
- if ((isgraph(res) || isspace(res)) &&
- len-2 < result_len) {
+ if ((isgraph(res) || isspace(res))) {
+ /* one for new char, one for '\0' */
+ if (len+2 > *result_len) {
+ *result_len = len+2;
+ *resultp = result = realloc(result,
+ *result_len);
+ }
/* insert the char at the proper position */
memmove(&result[cursor_position+1],
&result[cursor_position],
- len+1);
+ len-cursor_position+1);
result[cursor_position] = res;
cursor_position++;
+ cursor_form_win++;
+ len++;
} else {
- mvprintw(0, 0, "unknow key: %d\n", res);
+ mvprintw(0, 0, "unknown key: %d\n", res);
}
break;
}
+ if (cursor_form_win < 0)
+ cursor_form_win = 0;
+ else if (cursor_form_win > prompt_width-1)
+ cursor_form_win = prompt_width-1;
+
wmove(form_win, 0, 0);
wclrtoeol(form_win);
mvwprintw(form_win, 0, 0, "%*s", prompt_width, " ");
- mvwprintw(form_win, 0, 0, "%s", result);
- wmove(form_win, 0, cursor_position);
+ mvwprintw(form_win, 0, 0, "%s",
+ result + cursor_position-cursor_form_win);
+ wmove(form_win, 0, cursor_form_win);
touchwin(win);
refresh_all_windows(main_window);