UI: fix UIAnchorLayout (#1401)

Author: eruvanos

arcade/gui/widgets/layout.py

@@ -101,7 +101,7 @@ def _place_child(
                 new_child_rect = new_child_rect.max_size(width=shmx_w)
 
         if sh_h is not None:
-            new_child_rect = new_child_rect.resize(height=self.content_height * sh_w)
+            new_child_rect = new_child_rect.resize(height=self.content_height * sh_h)
 
             if shmn_h:
                 new_child_rect = new_child_rect.min_size(height=shmn_h)

tests/test_gui/test_layouting_anchorlayout.py

@@ -81,14 +81,24 @@ def test_grow_child_half(window):
     assert dummy.rect == (100, 100, 200, 200)
 
 
-def test_grow_child_full(window):
+def test_grow_child_full_width(window):
     subject = UIAnchorLayout(width=400, height=400)
-    dummy = subject.add(UIDummy(width=100, height=100, size_hint=(1, 1)))
+    dummy = subject.add(UIDummy(width=100, height=100, size_hint=(1, 0.5)))
 
     subject._do_layout()
 
     assert subject.rect == (0, 0, 400, 400)
-    assert dummy.rect == (0, 0, 400, 400)
+    assert dummy.rect == (0, 100, 400, 200)
+
+
+def test_grow_child_full_height(window):
+    subject = UIAnchorLayout(width=400, height=400)
+    dummy = subject.add(UIDummy(width=100, height=100, size_hint=(0.5, 1)))
+
+    subject._do_layout()
+
+    assert subject.rect == (0, 0, 400, 400)
+    assert dummy.rect == (100, 0, 200, 400)
 
 
 def test_grow_child_to_max_size(window):
@@ -101,7 +111,7 @@ def test_grow_child_to_max_size(window):
     assert dummy.size == (200, 150)
 
 
-def test_shring_child_to_min_size(window):
+def test_shrink_child_to_min_size(window):
     subject = UIAnchorLayout(width=400, height=400)
     dummy = subject.add(UIDummy(width=100, height=100, size_hint=(0.1, 0.1), size_hint_min=(200, 150)))