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C# ITextView.DisplayTextLineContainingBufferPosition方法代码示例

本文整理汇总了C#中ITextView.DisplayTextLineContainingBufferPosition方法的典型用法代码示例。如果您正苦于以下问题:C# ITextView.DisplayTextLineContainingBufferPosition方法的具体用法?C# ITextView.DisplayTextLineContainingBufferPosition怎么用?C# ITextView.DisplayTextLineContainingBufferPosition使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在ITextView的用法示例。


在下文中一共展示了ITextView.DisplayTextLineContainingBufferPosition方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: EnsureLineVisible

        /// <summary>
        /// Do the vertical scrolling necessary to make sure the line is visible
        /// </summary>
        private void EnsureLineVisible(ITextView textView, SnapshotPoint point)
        {
            const double roundOff = 0.01;
            var textViewLine = textView.GetTextViewLineContainingBufferPosition(point);

            switch (textViewLine.VisibilityState)
            {
                case VisibilityState.FullyVisible:
                    // If the line is fully visible then no scrolling needs to occur
                    break;

                case VisibilityState.Hidden:
                case VisibilityState.PartiallyVisible:
                    {
                        ViewRelativePosition? pos = null;
                        if (textViewLine.Height <= textView.ViewportHeight + roundOff)
                        {
                            // The line fits into the view.  Figure out if it needs to be at the top
                            // or the bottom
                            pos = textViewLine.Top < textView.ViewportTop
                                ? ViewRelativePosition.Top
                                : ViewRelativePosition.Bottom;
                        }
                        else if (textViewLine.Bottom < textView.ViewportBottom)
                        {
                            // Line does not fit into view but we can use more space at the bottom
                            // of the view
                            pos = ViewRelativePosition.Bottom;
                        }
                        else if (textViewLine.Top > textView.ViewportTop)
                        {
                            pos = ViewRelativePosition.Top;
                        }

                        if (pos.HasValue)
                        {
                            textView.DisplayTextLineContainingBufferPosition(point, 0.0, pos.Value);
                        }
                    }
                    break;
                case VisibilityState.Unattached:
                    {
                        var pos = textViewLine.Start < textView.TextViewLines.FormattedSpan.Start && textViewLine.Height <= textView.ViewportHeight + roundOff
                                      ? ViewRelativePosition.Top
                                      : ViewRelativePosition.Bottom;
                        textView.DisplayTextLineContainingBufferPosition(point, 0.0, pos);
                    }
                    break;
            }
        }
开发者ID:nligerakis,项目名称:VsVim,代码行数:53,代码来源:VimHost.cs

示例2: EnsureVisible

        /// <summary>
        /// Ensure the given SnapshotPoint is visible on the screen
        /// </summary>
        public void EnsureVisible(ITextView textView, SnapshotPoint point)
        {
            const double roundOff = 0.01;
            var textViewLine = textView.GetTextViewLineContainingBufferPosition(point);

            switch (textViewLine.VisibilityState)
            {
                case VisibilityState.FullyVisible:
                    // If the line is fully visible then no scrolling needs to occur
                    break;

                case VisibilityState.Hidden:
                case VisibilityState.PartiallyVisible:
                    {
                        ViewRelativePosition? pos = null;
                        if (textViewLine.Height <= textView.ViewportHeight + roundOff)
                        {
                            // The line fits into the view.  Figure out if it needs to be at the top
                            // or the bottom
                            pos = textViewLine.Top < textView.ViewportTop
                                ? ViewRelativePosition.Top
                                : ViewRelativePosition.Bottom;
                        }
                        else if (textViewLine.Bottom < textView.ViewportBottom)
                        {
                            // Line does not fit into view but we can use more space at the bottom
                            // of the view
                            pos = ViewRelativePosition.Bottom;
                        }
                        else if (textViewLine.Top > textView.ViewportTop)
                        {
                            pos = ViewRelativePosition.Top;
                        }

                        if (pos.HasValue)
                        {
                            textView.DisplayTextLineContainingBufferPosition(point, 0.0, pos.Value);
                        }
                    }
                    break;
                case VisibilityState.Unattached:
                    {
                        var pos = textViewLine.Start < textView.TextViewLines.FormattedSpan.Start && textViewLine.Height <= textView.ViewportHeight + roundOff
                                      ? ViewRelativePosition.Top
                                      : ViewRelativePosition.Bottom;
                        textView.DisplayTextLineContainingBufferPosition(point, 0.0, pos);
                    }
                    break;
            }

            // Now that the line is visible we need to potentially do some horizontal scrolling
            // take make sure that it's on screen
            const double horizontalPadding = 2.0;
            const double scrollbarPadding = 200.0;
            var scroll = Math.Max(
                horizontalPadding,
                Math.Min(scrollbarPadding, textView.ViewportWidth / 4));
            var bounds = textViewLine.GetCharacterBounds(point);
            if (bounds.Left - horizontalPadding < textView.ViewportLeft)
            {
                textView.ViewportLeft = bounds.Left - scroll;
            }
            else if (bounds.Right + horizontalPadding > textView.ViewportRight)
            {
                textView.ViewportLeft = (bounds.Right + scroll) - textView.ViewportWidth;
            }
        }
开发者ID:bentayloruk,项目名称:VsVim,代码行数:70,代码来源:VimHost.cs


注:本文中的ITextView.DisplayTextLineContainingBufferPosition方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。