public void StretchParamter_WorksWithGridlikeItems()
{
var container = new TestWidget()
{
Size = new Vector2(10, 20)
};
var grid = new VarmintWidgetGrid()
{
Size = new Vector2(1, 1)
};
container.AddChild(grid);
// starting out with no stretch
container.Prepare(null);
Assert.AreEqual(new Vector2(1, 1), grid.Size);
// Horizontal only
grid.Stretch = new VarmintWidget.StretchParameter("1");
container.UpdateChildFormatting();
Assert.AreEqual(new Vector2(10, 1), grid.Size);
Assert.AreEqual(new Vector2(0, 0), grid.Offset);
// Vertical only
grid.Stretch = new VarmintWidget.StretchParameter(",1");
container.UpdateChildFormatting();
Assert.AreEqual(new Vector2(1, 20), grid.Size);
Assert.AreEqual(new Vector2(0, 0), grid.Offset);
// With Margins
grid.Margin = new VarmintWidget.WidgetMargin("2,2");
grid.Stretch = new VarmintWidget.StretchParameter();
container.UpdateChildFormatting();
Assert.AreEqual(new Vector2(1, 1), grid.Size);
Assert.AreEqual(new Vector2(2, 2), grid.Offset);
grid.Stretch = new VarmintWidget.StretchParameter("1,1");;
container.UpdateChildFormatting();
Assert.AreEqual(new Vector2(8, 18), grid.Size);
Assert.AreEqual(new Vector2(2, 2), grid.Offset);
// Two children, both should stretch to the same dimensions
var grid2 = new VarmintWidgetGrid()
{
Size = new Vector2(2, 2)
};
grid2.Stretch = new VarmintWidget.StretchParameter("1,1");;
container.AddChild(grid2);
container.UpdateChildFormatting();
Assert.AreEqual(new Vector2(8, 18), grid.Size);
Assert.AreEqual(new Vector2(2, 2), grid.Offset);
Assert.AreEqual(new Vector2(10, 20), grid2.Size);
Assert.AreEqual(new Vector2(0, 0), grid2.Offset);
}
public void GridInGrid_RespectsMargins()
{
var target = new TestWidget()
{
Size = new Vector2(10, 20)
};
var child = new TestWidget()
{
Size = new Vector2(2, 2)
};
target.HorizontalContentAlignment = HorizontalContentAlignment.Left;
target.VerticalContentAlignment = VerticalContentAlignment.Top;
target.AddChild(child);
target.Prepare(null);
// ####################### Left/Top
target.UpdateChildFormatting();
Assert.AreEqual(0, child.Offset.X);
Assert.AreEqual(0, child.Offset.Y);
// Setting left/top margins should change the offset as expected
child.Margin = new VarmintWidget.WidgetMargin()
{
Left = 1, Top = 2
};
target.UpdateChildFormatting();
Assert.AreEqual(1, child.Offset.X);
Assert.AreEqual(2, child.Offset.Y);
// Setting right/bottom should pin the child to the right/bottom
child.Margin = new VarmintWidget.WidgetMargin()
{
Right = 1, Bottom = 2
};
target.UpdateChildFormatting();
Assert.AreEqual(7, child.Offset.X);
Assert.AreEqual(16, child.Offset.Y);
// ####################### Center
target.HorizontalContentAlignment = HorizontalContentAlignment.Center;
target.VerticalContentAlignment = VerticalContentAlignment.Center;
child.Margin = new VarmintWidget.WidgetMargin();
target.UpdateChildFormatting();
Assert.AreEqual(4, child.Offset.X);
Assert.AreEqual(9, child.Offset.Y);
// Left/Top margin should pad the child
child.Margin = new VarmintWidget.WidgetMargin()
{
Left = 2, Top = 4
};
target.UpdateChildFormatting();
Assert.AreEqual(5, child.Offset.X);
Assert.AreEqual(11, child.Offset.Y);
// Right/Bottom margin should pad the child
child.Margin = new VarmintWidget.WidgetMargin()
{
Left = 2, Top = 4, Right = 4, Bottom = 6
};
target.UpdateChildFormatting();
Assert.AreEqual(3, child.Offset.X);
Assert.AreEqual(8, child.Offset.Y);
// ####################### Right/Bottom
target.HorizontalContentAlignment = HorizontalContentAlignment.Right;
target.VerticalContentAlignment = VerticalContentAlignment.Bottom;
child.Margin = new VarmintWidget.WidgetMargin();
target.UpdateChildFormatting();
Assert.AreEqual(8, child.Offset.X);
Assert.AreEqual(18, child.Offset.Y);
}
