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C# ILine.UnselectText方法代码示例

本文整理汇总了C#中ILine.UnselectText方法的典型用法代码示例。如果您正苦于以下问题:C# ILine.UnselectText方法的具体用法?C# ILine.UnselectText怎么用?C# ILine.UnselectText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ILine的用法示例。


在下文中一共展示了ILine.UnselectText方法的3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: SelectStream

        static void SelectStream(IEditor editor, ILine line, bool right, Point caretOld, Point caretNew)
        {
            Point first, last;
            if (editor != null && editor.SelectionExists || line != null && line.SelectionSpan.Length > 0)
            {
                Place place;
                if (line == null)
                {
                    place = editor.SelectionPlace;
                }
                else
                {
                    var span = line.SelectionSpan;
                    place = new Place(span.Start, 0, span.Start + span.Length - 1, 0);
                }

                if (right)
                {
                    if (place.Last == new Point(caretNew.X - 1, caretNew.Y))
                    {
                        // vanish selection
                        first = last = new Point(-1, -1);
                    }
                    else if (caretOld != place.First)
                    {
                        // expand selection
                        first = place.First;
                        last = new Point(caretNew.X - 1, caretNew.Y);
                    }
                    else if (caretNew.Y > place.Last.Y || caretNew.Y == place.Last.Y && caretNew.X > place.Last.X)
                    {
                        // invert selection
                        first = new Point(place.Last.X + 1, place.Last.Y);
                        last = new Point(caretNew.X - 1, caretNew.Y);
                    }
                    else
                    {
                        // reduce selection
                        first = caretNew;
                        last = place.Last;
                    }
                }
                else
                {
                    if (place.First == caretNew)
                    {
                        // vanish selection
                        first = last = new Point(-1, -1);
                    }
                    else if (place.Last != new Point(caretOld.X - 1, caretOld.Y))
                    {
                        // expand selection
                        first = caretNew;
                        last = place.Last;
                    }
                    else if (caretNew.Y < place.First.Y || caretNew.Y == place.First.Y && caretNew.X < place.First.X)
                    {
                        // invert selection
                        first = caretNew;
                        last = new Point(place.First.X - 1, place.First.Y);
                    }
                    else
                    {
                        // reduce selection
                        first = place.First;
                        last = new Point(caretNew.X - 1, caretNew.Y);
                    }
                }
            }
            else
            {
                // start selection
                if (right)
                {
                    first = caretOld;
                    last = new Point(caretNew.X - 1, caretNew.Y);
                }
                else
                {
                    first = caretNew;
                    last = new Point(caretOld.X - 1, caretOld.Y);
                }
            }

            // set/drop selection and set the caret
            if (line == null)
            {
                editor.GoTo(caretNew.X, caretNew.Y);
                if (first.Y >= 0)
                    editor.SelectText(first.X, first.Y, last.X, last.Y);
                else
                    editor.UnselectText();
                editor.Redraw();
            }
            else
            {
                line.Caret = caretNew.X;
                if (first.Y >= 0)
                    line.SelectText(first.X, last.X + 1);
                else
//.........这里部分代码省略.........
开发者ID:pezipink,项目名称:FarNet,代码行数:101,代码来源:TheCommand.cs

示例2: Home

        /// <summary>
        /// Moves the caret or selects the text to the smart line home.
        /// </summary>
        /// <param name="editor">The current editor or null.</param>
        /// <param name="line">The active line or null.</param>
        /// <param name="select">True for selection, false for move.</param>
        /// <remarks>
        /// Smart line home is the first not white space line position
        /// if the caret is not there or the standard line home otherwise.
        /// </remarks>
        static void Home(IEditor editor, ILine line, bool select)
        {
            if (editor != null)
                line = editor[-1];

            int home = 0;
            int caret = line.Caret;
            string text = line.Text;
            Match match = Regex.Match(text, @"^(\s+)");
            if (match.Success)
                home = match.Groups[1].Length;

            if (select)
            {
                var span = line.SelectionSpan;
                if (span.Start < 0)
                {
                    if (caret < home)
                    {
                        line.SelectText(caret, home);
                        line.Caret = home;
                    }
                    else if (caret > home)
                    {
                        line.SelectText(home, caret);
                        line.Caret = home;
                    }
                    else
                    {
                        line.SelectText(0, home);
                        line.Caret = 0;
                    }
                }
                else if (span.Start == 0 && span.End == home)
                {
                    line.UnselectText();
                    if (caret == 0)
                        line.Caret = home;
                    else
                        line.Caret = 0;
                }
                else if (span.Start > 0 && span.End == home)
                {
                    line.SelectText(0, span.Start);
                    line.Caret = 0;
                }
                else if (span.Start == 0 && span.End < home)
                {
                    line.SelectText(span.End, home);
                    line.Caret = home;
                }
                else if (span.Start > 0 && span.End < home)
                {
                    if (caret == span.Start)
                        line.SelectText(span.End, home);
                    else
                        line.SelectText(span.Start, home);
                    line.Caret = home;
                }
                else
                {
                    if (home == caret)
                        home = 0;

                    line.SelectText(home, span.End);
                    line.Caret = home;
                }
            }
            else
            {
                // go to smart home
                line.UnselectText();
                line.Caret = caret == home ? 0 : home;
            }

            if (editor != null)
                editor.Redraw();
        }
开发者ID:pezipink,项目名称:FarNet,代码行数:88,代码来源:TheCommand.cs

示例3: Run

        /// <summary>
        /// Runs the specified operation.
        /// </summary>
        /// <param name="editor">The active editor or null.</param>
        /// <param name="line">The active line or null.</param>
        /// <param name="operation">The operation to run.</param>
        /// <param name="right">True for right, false for left.</param>
        /// <param name="alt">True for the alternative operation.</param>
        static void Run(IEditor editor, ILine line, Operation operation, bool right, bool alt)
        {
            Point caret = line == null ? editor.Caret : new Point(line.Caret, 0);
            int iColumn = caret.X;
            int iLine = caret.Y;

            for (; ; )
            {
                ILine currentLine = line ?? editor[iLine];
                var text = currentLine.Text;

                int newX = -1;
                foreach (Match match in Regex.Matches(text))
                {
                    if (right)
                    {
                        if (match.Index > iColumn)
                        {
                            newX = match.Index;
                            break;
                        }
                    }
                    else
                    {
                        if (match.Index >= iColumn)
                            break;

                        newX = match.Index;
                    }
                }

                // :: new position is not found in the line
                if (newX < 0)
                {
                    if (alt || line != null)
                        return;

                    if (right)
                    {
                        if (++iLine >= editor.Count)
                            return;

                        iColumn = -1;
                    }
                    else
                    {
                        if (--iLine < 0)
                            return;

                        iColumn = int.MaxValue;
                    }

                    continue;
                }

                if (operation == Operation.Step)
                {
                    // :: step
                    if (line == null)
                    {
                        editor.GoTo(newX, iLine);
                        editor.UnselectText();
                        editor.Redraw();
                    }
                    else
                    {
                        //_100819_142053 Mantis#1464 Here was a kludge

                        line.UnselectText();
                        line.Caret = newX;
                    }
                }
                else if (operation == Operation.Select)
                {
                    // :: select
                    if (alt)
                        SelectColumn(editor, right, iLine, caret.X, newX);
                    else
                        SelectStream(editor, line, right, caret, new Point(newX, iLine));
                }
                else
                {
                    // :: delete
                    if (line == null)
                    {
                        if (!right && newX == 0 && caret.X > 0 && currentLine.Length == 0)
                        {
                            // "Cursor beyond end of line" and the line is empty
                            editor.UnselectText();
                            editor.GoToColumn(0);
                        }
                        else
//.........这里部分代码省略.........
开发者ID:pezipink,项目名称:FarNet,代码行数:101,代码来源:TheCommand.cs


注:本文中的ILine.UnselectText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。