public void TestFullSizeThumbDragging() { Screen screen = new Screen(100, 100); VerticalSliderControl slider = new VerticalSliderControl(); slider.Bounds = new UniRectangle(10, 10, 100, 100); slider.ThumbSize = 1.0f; screen.Desktop.Children.Add(slider); // Move the mouse over the thumb, press the left mouse button and drag // it to a new location slider.ProcessMouseMove(100, 100, 50, 50); slider.ProcessMousePress(MouseButtons.Left); slider.ProcessMouseMove(100, 100, 50, 60); Assert.That(slider.ThumbPosition, Is.EqualTo(0.0f).Within(16).Ulps); }
public void TestThumbDragging() { Screen screen = new Screen(100, 100); VerticalSliderControl slider = new VerticalSliderControl(); slider.Bounds = new UniRectangle(10, 10, 100, 100); slider.ThumbSize = 0.33f; slider.ThumbPosition = 0.25f; screen.Desktop.Children.Add(slider); float movableRange = 1.0f - slider.ThumbSize; float top = movableRange * slider.ThumbPosition; float bottom = top + slider.ThumbSize; top *= slider.Bounds.Size.Y.Offset; bottom *= slider.Bounds.Size.Y.Offset; float thumbHeight = bottom - top; float target = movableRange * (1.0f - slider.ThumbPosition); target *= slider.Bounds.Size.Y.Offset; // Move the mouse over the thumb, press the left mouse button and drag // it to a new location slider.ProcessMouseMove(100, 100, 50, top + thumbHeight / 2.0f); slider.ProcessMousePress(MouseButtons.Left); slider.ProcessMouseMove(100, 100, 50, target + thumbHeight / 2.0f); Assert.That(slider.ThumbPosition, Is.EqualTo(0.75f).Within(16).Ulps); slider.ProcessMouseMove(100, 100, 50, slider.Bounds.Location.Y.Offset); Assert.That(slider.ThumbPosition, Is.EqualTo(0.0f).Within(16).Ulps); slider.ProcessMouseMove( 100, 100, 50, slider.Bounds.Location.Y.Offset + slider.Bounds.Size.Y.Offset ); Assert.That(slider.ThumbPosition, Is.EqualTo(1.0f).Within(16).Ulps); }