support ratio layouts

ui/ui_test.go

@@ -55,6 +55,7 @@ func TestContainerTwoBoxesHStack(t *testing.T) {
 		t.Fail()
 	}
 }
+
 func TestContainerThreeBoxesUnevenHStack(t *testing.T) {
 	expect := `┌─ one ──┐┌─ two ──┐┌─ three 
 │        ││        ││       │
@@ -82,6 +83,34 @@ func TestContainerThreeBoxesUnevenHStack(t *testing.T) {
 	}
 }
 
+func TestContainerTwoBoxesHPercentStack(t *testing.T) {
+	expect := `┌─ one ──────┐┌─ two ┐
+│            ││      │
+│            ││      │
+│            ││      │
+└────────────┘└──────┘
+`
+	m := &MockScreen{}
+	one := NewBox("one", nil, Contents{})
+	two := NewBox("two", nil, Contents{})
+	container := NewContainer(
+		Contents{
+			{Container: one, Offsets: Offsets{Percent: 2}},
+			{Container: two, Offsets: Offsets{Percent: 1}}},
+		LayoutHorizontalPercent,
+	)
+	m.Init()
+	m.Resize(0, 0, 5, 22)
+	container.SetSize(0, 0, 5, 22)
+	container.Draw(m)
+	result := m.DumpContents()
+	if result != expect {
+		fmt.Printf("expected:\n%+v", expect)
+		fmt.Printf("actual:\n%+v", result)
+		t.Fail()
+	}
+}
+
 func TestContainerTwoBoxesVStack(t *testing.T) {
 	expect := `┌─ one ──┐
 │        │
@@ -112,3 +141,36 @@ func TestContainerTwoBoxesVStack(t *testing.T) {
 		t.Fail()
 	}
 }
+
+func TestContainerTwoBoxesPercentageVStack(t *testing.T) {
+	expect := `┌─ one ──┐
+│        │
+│        │
+│        │
+│        │
+└────────┘
+┌─ two ──┐
+│        │
+│        │
+└────────┘
+`
+	m := &MockScreen{}
+	one := NewBox("one", nil, Contents{})
+	two := NewBox("two", nil, Contents{})
+	container := NewContainer(
+		Contents{
+			{Container: one, Offsets: Offsets{Percent: 2}},
+			{Container: two, Offsets: Offsets{Percent: 1}}},
+		LayoutVerticalPercent,
+	)
+	m.Init()
+	m.Resize(0, 0, 10, 10)
+	container.SetSize(0, 0, 10, 10)
+	container.Draw(m)
+	result := m.DumpContents()
+	if result != expect {
+		fmt.Printf("expected:\n%+v", expect)
+		fmt.Printf("actual:\n%+v", result)
+		t.Fail()
+	}
+}