Remove unused widget callbacks

Signed-off-by: Alexey Gladkov <legion@kernel.org>

Author: legionus

src/widget.c

@@ -203,11 +203,6 @@ void widget_noutrefresh(struct widget *w)
 	if (!w->win)
 		return;
 
-	if (w->noutrefresh) {
-		w->noutrefresh(w);
-		return;
-	}
-
 	wnoutrefresh(w->win);
 }
 
@@ -279,13 +274,6 @@ static void widget_create_window(struct widget *w)
 			warnx("unable to create %s window (y=%d, x=%d, height=%d, width=%d)",
 				widget_type(w), w->ly, w->lx, w->h, w->w);
 		}
-	} else if (w->create_win) {
-		w->create_win(w);
-
-		if (!w->win) {
-			warnx("unable to create %s custom window (y=%d, x=%d, height=%d, width=%d)",
-				widget_type(w), w->ly, w->lx, w->h, w->w);
-		}
 	} else if (!w->parent->win) {
 		warnx("unable to create %s subwindow without parent window (y=%d, x=%d, height=%d, width=%d)",
 			widget_type(w), w->ly, w->lx, w->h, w->w);

src/widget.h

@@ -201,8 +201,6 @@ struct widget {
 	void (*measure)(struct widget *);              /* Compute intrinsic minimum size */
 	void (*layout)(struct widget *);               /* Assign positions/sizes to children */
 	void (*render)(struct widget *);               /* Draw contents into win */
-	bool (*create_win)(struct widget *);           /* Custom function to create window */
-	void (*noutrefresh)(struct widget *);          /* Custom function to refresh curses window */
 	void (*free_data)(struct widget *);            /* Free widget-specific data */
 	int  (*input)(const struct widget *, wchar_t); /* Handle keyboard input */