Example #1
0
        public override void ProcessMouseEvent(Vector2 location, InputManager.LogicalButtonState buttons)
        {
            if (Math.Abs(buttons.WheelTick) > 0 && TextLabels.Count > 1)
            {
                SetSelectedIndex(SelectedIndex + buttons.WheelTick);
            }

            if (!buttons.PrimaryClick || ParentCanvas == null || ParentCanvas.PopupEnabled() || TextLabels.Count < 2)
            {
                return;
            }

            float width  = Rect.GetPixelSize().X;
            float height = Rect.GetPixelSize().Y;

            Vector2 origin = Rect.GetPixelOrigin();

            float availableDist = width - (height * 2);

            if (location.X < origin.X + height || location.X > origin.X + availableDist + height)
            {
                return;
            }

            Vector2 thisOrigin = GetScreenOrigin();

            float thisCenterY = thisOrigin.Y + (height * 0.5f);

            float totalheight = (MenuCommon.ButtonSpacing.Paramater + (height * 1)) * TextLabels.Count;

            totalheight += MenuCommon.ButtonSpacing.Paramater * 1;

            float halfHeight = totalheight * 0.5f;

            float screenHeight = ParentCanvas.BoundWindow.Height;

            // see where the popup will land on the screen.

            OriginLocation originAllignment = OriginLocation.LowerLeft;

            if (totalheight > screenHeight)  // it won't fit, center it
            {
                originAllignment = OriginLocation.MiddleLeft;
            }
            else
            {
                if (thisCenterY - halfHeight > 0 && thisCenterY + halfHeight <= screenHeight)
                {
                    originAllignment = OriginLocation.MiddleLeft; // it'll fit centered, that looks better
                }
                else
                {
                    // it won't fit centered, so put it on the other side of the screen from where the button is
                    if (thisCenterY > halfHeight)
                    {
                        originAllignment = OriginLocation.UpperLeft;
                    }
                    else
                    {
                        originAllignment = OriginLocation.LowerLeft;
                    }
                }
            }

            if (originAllignment == OriginLocation.UpperLeft)
            {
                thisOrigin.Y += height;
            }
            else if (originAllignment == OriginLocation.MiddleLeft)
            {
                thisOrigin.Y += height * 0.5f;
            }

            RelativeRect rect = new RelativeRect(new RelativeLoc(thisOrigin.X, RelativeLoc.Edge.Raw), new RelativeLoc(thisOrigin.Y, RelativeLoc.Edge.Raw), RelativeSize.FixedPixelSize(width), RelativeSize.FixedPixelSize(totalheight), originAllignment);

            var popup = new UIPanel(rect, ThemeManager.GetThemeAsset("ui/SelectorPopupBackground.png"));

            popup.FillMode    = UIFillModes.SmartStprite;
            popup.IgnoreMouse = false;

            VerticalLayoutGroup vertgroup = MenuCommon.SetupCommonColumn(new RelativeRect(RelativeLoc.XCenter, RelativeLoc.YCenter, RelativeSize.ThreeQuarterWidth, rect.Height, OriginLocation.Center));

            vertgroup.FirstElementHasSpacing = true;

            foreach (var label in TextLabels)
            {
                MenuButton button = new MenuButton(new RelativeRect(), label);
                button.Tag      = label;
                button.Clicked += PopupButton_Clicked;
                if (label == GetText())
                {
                    button.Check();
                }

                vertgroup.AddChild(button);
            }
            popup.AddChild(vertgroup);

            ParentCanvas.SetPopupElement(popup);
        }