kconfig: Add print_title helper in lxdialog

Simplify check for long title and use a helper function in util.c

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

1 files changed, 14 insertions, 0 deletions

diff --git a/scripts/lxdialog/util.c b/scripts/lxdialog/util.c
index ce411474d729..f82cebb9ff06 100644
--- a/scripts/lxdialog/util.c
+++ b/scripts/lxdialog/util.c
@@ -177,6 +177,20 @@ void end_dialog(void)
         endwin();
 }
 
+/* Print the title of the dialog. Center the title and truncate
+ * tile if wider than dialog (- 2 chars).
+ **/
+void print_title(WINDOW *dialog, const char *title, int width)
+{
+        if (title) {
+                int tlen = MIN(width - 2, strlen(title));
+                wattrset(dialog, title_attr);
+                mvwaddch(dialog, 0, (width - tlen) / 2 - 1, ' ');
+                mvwaddnstr(dialog, 0, (width - tlen)/2, title, tlen);
+                waddch(dialog, ' ');
+        }
+}
+
 /*
  * Print a string of text in a window, automatically wrap around to the
  * next line if the string is too long to fit on one line. Newline