+static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
+{
+ unsigned long border_color = ReadPixel(pix[PIX_SMALLFONT], 2, 16);
+ int from_sx, from_sy;
+ int to_sx, to_sy;
+
+ if (from_x > to_x)
+ swap_numbers(&from_x, &to_x);
+
+ if (from_y > to_y)
+ swap_numbers(&from_y, &to_y);
+
+ from_sx = SX + from_x * MINI_TILEX;
+ from_sy = SY + from_y * MINI_TILEX;
+ to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
+ to_sy = SY + to_y * MINI_TILEX + MINI_TILEY - 1;
+
+ XSetForeground(display, gc, border_color);
+
+ XDrawLine(display, drawto, gc, from_sx, from_sy, to_sx, from_sy);
+ XDrawLine(display, drawto, gc, to_sx, from_sy, to_sx, to_sy);
+ XDrawLine(display, drawto, gc, to_sx, to_sy, from_sx, to_sy);
+ XDrawLine(display, drawto, gc, from_sx, to_sy, from_sx, from_sy);
+
+ XSetForeground(display, gc, BlackPixel(display,screen));
+
+ if (from_x == to_x && from_y == to_y)
+ MarkTileDirty(from_x/2, from_y/2);
+ else
+ redraw_mask |= REDRAW_FIELD;
+}
+
+static void SelectArea(int from_x, int from_y, int to_x, int to_y,
+ int element, boolean change_level)
+{
+ if (element == -1 || change_level)
+ DrawRectangle(from_x, from_y, to_x, to_y, -1, FALSE);
+ else
+ DrawAreaBorder(from_x, from_y, to_x, to_y);
+}
+