public void ValidateEnterAndLeaveInOverlapArea()
{
GuiWidget container = new GuiWidget();
container.Name = "container";
container.LocalBounds = new RectangleDouble(0, 0, 200, 200);
GuiWidget bottomWidget = new GuiWidget();
bottomWidget.Name = "bottom";
bottomWidget.BoundsRelativeToParent = new RectangleDouble(10, 10, 190, 190);
int bottomGotEnter = 0;
int bottomGotLeave = 0;
bottomWidget.MouseEnter += (sender, e) => { if (bottomWidget.UnderMouseState == UnderMouseState.NotUnderMouse) throw new Exception("It must be under the mouse."); bottomGotEnter++; };
bottomWidget.MouseLeave += (sender, e) => { if (bottomWidget.UnderMouseState == UnderMouseState.FirstUnderMouse) throw new Exception("It must not be the first under the mouse."); bottomGotLeave++; };
int bottomGotEnterBounds = 0;
int bottomGotLeaveBounds = 0;
bottomWidget.MouseEnterBounds += (sender, e) => { if (bottomWidget.UnderMouseState == UnderMouseState.NotUnderMouse) throw new Exception("It must be under the mouse."); bottomGotEnterBounds++; };
bottomWidget.MouseLeaveBounds += (sender, e) => { if (bottomWidget.UnderMouseState != UnderMouseState.NotUnderMouse) throw new Exception("It must not be under the mouse."); bottomGotLeaveBounds++; };
container.AddChild(bottomWidget);
GuiWidget topWidget = new GuiWidget();
topWidget.Name = "top";
topWidget.BoundsRelativeToParent = new RectangleDouble(5, 20, 190, 190);
int topGotEnter = 0;
int topGotLeave = 0;
topWidget.MouseEnter += (sender, e) => { if (topWidget.UnderMouseState == UnderMouseState.NotUnderMouse) throw new Exception("It must be under the mouse."); topGotEnter++; };
topWidget.MouseLeave += (sender, e) => { if (topWidget.UnderMouseState == UnderMouseState.FirstUnderMouse) throw new Exception("It must not be the first under the mouse."); topGotLeave++; };
int topGotEnterBounds = 0;
int topGotLeaveBounds = 0;
topWidget.MouseEnterBounds += (sender, e) => { if (topWidget.UnderMouseState == UnderMouseState.NotUnderMouse) throw new Exception("It must be under the mouse."); topGotEnterBounds++; };
topWidget.MouseLeaveBounds += (sender, e) => { if (topWidget.UnderMouseState != UnderMouseState.NotUnderMouse) throw new Exception("It must not be under the mouse."); topGotLeaveBounds++; };
container.AddChild(topWidget);
Assert.IsTrue(topGotEnter == 0);
Assert.IsTrue(topGotLeave == 0);
Assert.IsTrue(topGotEnterBounds == 0);
Assert.IsTrue(topGotLeaveBounds == 0);
// move into the bottom widget only
container.OnMouseMove(new MouseEventArgs(MouseButtons.Left, 1, 1, 15, 0));
container.OnMouseMove(new MouseEventArgs(MouseButtons.Left, 1, 15, 15, 0));
Assert.IsTrue(bottomGotLeave == 0);
Assert.IsTrue(bottomGotEnter == 1);
Assert.IsTrue(bottomGotLeaveBounds == 0);
Assert.IsTrue(bottomGotEnterBounds == 1);
Assert.IsTrue(topGotLeave == 0);
Assert.IsTrue(topGotEnter == 0);
Assert.IsTrue(topGotLeaveBounds == 0);
Assert.IsTrue(topGotEnterBounds == 0);
// clear our states
bottomGotEnter = bottomGotLeave = bottomGotEnterBounds = bottomGotLeaveBounds = 0;
topGotEnter = topGotLeave = topGotEnterBounds = topGotLeaveBounds = 0;
// move out of the bottom widget only
container.OnMouseMove(new MouseEventArgs(MouseButtons.Left, 1, 1, 15, 0));
Assert.IsTrue(bottomGotLeave == 1);
Assert.IsTrue(bottomGotEnter == 0);
Assert.IsTrue(bottomGotLeaveBounds == 1);
Assert.IsTrue(bottomGotEnterBounds == 0);
Assert.IsTrue(topGotLeave == 0);
Assert.IsTrue(topGotEnter == 0);
Assert.IsTrue(topGotLeaveBounds == 0);
Assert.IsTrue(topGotEnterBounds == 0);
// move to just outside both widgets
container.OnMouseMove(new MouseEventArgs(MouseButtons.Left, 1, 1, 25, 0));
Assert.IsTrue(bottomWidget.TransformRectangleToScreenSpace(bottomWidget.LocalBounds).Contains(1, 25) == false);
Assert.IsTrue(topWidget.TransformRectangleToScreenSpace(topWidget.LocalBounds).Contains(1, 25) == false);
// clear our states
bottomGotEnter = bottomGotLeave = bottomGotEnterBounds = bottomGotLeaveBounds = 0;
topGotEnter = topGotLeave = topGotEnterBounds = topGotLeaveBounds = 0;
// move over the top widget when it is over the bottom widget (only the top should see this)
container.OnMouseMove(new MouseEventArgs(MouseButtons.Left, 1, 15, 25, 0));
Assert.IsTrue(bottomGotEnter == 0);
Assert.IsTrue(bottomGotLeave == 0);
Assert.IsTrue(bottomGotEnterBounds == 1);
Assert.IsTrue(bottomGotLeaveBounds == 0);
Assert.IsTrue(topGotEnter == 1);
Assert.IsTrue(topGotLeave == 0);
Assert.IsTrue(topGotEnterBounds == 1);
Assert.IsTrue(topGotLeaveBounds == 0);
// clear our states
bottomGotEnter = bottomGotLeave = bottomGotEnterBounds = bottomGotLeaveBounds = 0;
topGotEnter = topGotLeave = topGotEnterBounds = topGotLeaveBounds = 0;
// move out of the top widget into the bottom
container.OnMouseMove(new MouseEventArgs(MouseButtons.Left, 1, 15, 15, 0));
Assert.IsTrue(bottomGotEnter == 1);
Assert.IsTrue(bottomGotLeave == 0);
Assert.IsTrue(bottomGotEnterBounds == 0);
Assert.IsTrue(bottomGotLeaveBounds == 0);
Assert.IsTrue(topGotEnter == 0);
Assert.IsTrue(topGotLeave == 1);
Assert.IsTrue(topGotEnterBounds == 0);
Assert.IsTrue(topGotLeaveBounds == 1);
// clear our states
bottomGotEnter = bottomGotLeave = bottomGotEnterBounds = bottomGotLeaveBounds = 0;
topGotEnter = topGotLeave = topGotEnterBounds = topGotLeaveBounds = 0;
// move back up into the top and make sure we see the leave in the bottom
container.OnMouseMove(new MouseEventArgs(MouseButtons.Left, 1, 15, 25, 0));
Assert.IsTrue(bottomGotEnter == 0);
Assert.IsTrue(bottomGotLeave == 1);
Assert.IsTrue(bottomGotEnterBounds == 0);
Assert.IsTrue(bottomGotLeaveBounds == 0);
Assert.IsTrue(topGotEnter == 1);
Assert.IsTrue(topGotLeave == 0);
Assert.IsTrue(topGotEnterBounds == 1);
Assert.IsTrue(topGotLeaveBounds == 0);
}
