示例#1
0
文件: Dialog.cs 项目: v-karpov/Nez
        /// <summary>
        /// {@link #pack() Packs} the dialog and adds it to the stage
        /// </summary>
        /// <param name="stage">Stage.</param>
        public Dialog Show(Stage stage)
        {
            stage.AddElement(this);
            SetPosition(Mathf.Round((stage.GetWidth() - GetWidth()) / 2), Mathf.Round((stage.GetHeight() - GetHeight()) / 2));

            Pack();

            return(this);
        }
示例#2
0
        public void Show(Stage stage)
        {
            if (ListBox.IsTouchable())
            {
                return;
            }

            stage.AddElement(this);

            _screenPosition = _selectBox.LocalToStageCoordinates(Vector2.Zero);

            // show the list above or below the select box, limited to a number of items and the available height in the stage.
            float itemHeight           = ListBox.GetItemHeight();
            float height               = itemHeight * (MaxListCount <= 0 ? _selectBox.GetItems().Count : Math.Min(MaxListCount, _selectBox.GetItems().Count));
            var   scrollPaneBackground = GetStyle().Background;

            if (scrollPaneBackground != null)
            {
                height += scrollPaneBackground.TopHeight + scrollPaneBackground.BottomHeight;
            }
            var listBackground = ListBox.GetStyle().Background;

            if (listBackground != null)
            {
                height += listBackground.TopHeight + listBackground.BottomHeight;
            }

            float heightAbove = _screenPosition.Y;
            float heightBelow = Screen.Height /*camera.viewportHeight */ - _screenPosition.Y - _selectBox.GetHeight();

            _isListBelowSelectBox = true;
            if (height > heightBelow)
            {
                if (heightAbove > heightBelow)
                {
                    _isListBelowSelectBox = false;
                    height = Math.Min(height, heightAbove);
                }
                else
                {
                    height = heightBelow;
                }
            }

            if (!_isListBelowSelectBox)
            {
                SetY(_screenPosition.Y - height);
            }
            else
            {
                SetY(_screenPosition.Y + _selectBox.GetHeight());
            }
            SetX(_screenPosition.X);
            SetHeight(height);
            Validate();

            var width = Math.Max(PreferredWidth, _selectBox.GetWidth());

            if (PreferredHeight > height && !_disableY)
            {
                width += GetScrollBarWidth();
            }
            SetWidth(width);

            Validate();
            ScrollTo(0, ListBox.GetHeight() - _selectBox.GetSelectedIndex() * itemHeight - itemHeight / 2, 0, 0, true, true);
            UpdateVisualScroll();

            _previousScrollFocus = null;

            ListBox.GetSelection().Set(_selectBox.GetSelected());
            ListBox.SetTouchable(Touchable.Enabled);
            _selectBox.OnShow(this, _isListBelowSelectBox);
        }