+
+ /* move windows if their decorations are a new size, based
+ on their gravity */
+ newsize = c->frame->size;
+
+ /* x coord */
+ switch (c->gravity) {
+ case NorthWestGravity:
+ case WestGravity:
+ case SouthWestGravity:
+ break;
+ case NorthGravity:
+ case CenterGravity:
+ case SouthGravity:
+ dx = (newsize.left - oldsize.left +
+ oldsize.right - newsize.right) / 2;
+ break;
+ case NorthEastGravity:
+ case EastGravity:
+ case SouthEastGravity:
+ dx = -(newsize.left - oldsize.left +
+ newsize.right - oldsize.right);
+
+ break;
+ case StaticGravity:
+ dx = -(newsize.left - oldsize.left);
+ break;
+ }
+
+ /* y coord */
+ switch (c->gravity) {
+ case NorthWestGravity:
+ case NorthGravity:
+ case NorthEastGravity:
+ break;
+ case WestGravity:
+ case CenterGravity:
+ case EastGravity:
+ dy = (newsize.top - oldsize.top +
+ oldsize.bottom - newsize.bottom) / 2;
+ break;
+ case SouthWestGravity:
+ case SouthGravity:
+ case SouthEastGravity:
+ dy = -(newsize.top - oldsize.top +
+ newsize.bottom - oldsize.bottom);
+
+ break;
+ case StaticGravity:
+ dx = -(newsize.top - oldsize.top);
+ break;
+ }
+
+ if (dx || dy)
+ client_move(c, c->area.x + dx, c->area.y + dy);