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-rw-r--r--scripts/kconfig/nconf.gui.c29
1 files changed, 23 insertions, 6 deletions
diff --git a/scripts/kconfig/nconf.gui.c b/scripts/kconfig/nconf.gui.c
index d64bc1c..4b9d8b6 100644
--- a/scripts/kconfig/nconf.gui.c
+++ b/scripts/kconfig/nconf.gui.c
@@ -367,6 +367,7 @@ 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) {
@@ -410,7 +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);
@@ -436,6 +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:
@@ -443,18 +448,22 @@ 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;
default:
if ((isgraph(res) || isspace(res))) {
@@ -470,16 +479,24 @@ int dialog_inputbox(WINDOW *main_window,
len-cursor_position+1);
result[cursor_position] = res;
cursor_position++;
+ cursor_form_win++;
+ len++;
} else {
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);
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