| private DirectMessage ( int msg, IntPtr wParam, IntPtr lParam ) : IntPtr | ||
| msg | int | |
| wParam | IntPtr | |
| lParam | IntPtr | |
| return | IntPtr | |
/// <summary>
/// Given a document position which is filled with this indicator, will return the document position
/// where the use of this indicator ends.
/// </summary>
/// <param name="position">A zero-based document position using this indicator.</param>
/// <returns>The zero-based document position where the use of this indicator ends.</returns>
/// <remarks>
/// Specifying a <paramref name="position" /> which is not filled with this indicator will cause this method
/// to return the end position of the range where this indicator is not in use (the negative space). If this
/// indicator is not in use anywhere within the document the return value will be 0.
/// </remarks>
public int End(int position)
{
position = Helpers.Clamp(position, 0, scintilla.TextLength);
position = scintilla.Lines.CharToBytePosition(position);
position = scintilla.DirectMessage(NativeMethods.SCI_INDICATOREND, new IntPtr(Index), new IntPtr(position)).ToInt32();
return(scintilla.Lines.ByteToCharPosition(position));
}
/// <summary>
/// Removes all text and styles associated with the annotation.
/// </summary>
public virtual void Clear()
{
CheckInvalid();
// Remove the annotation
_scintilla.DirectMessage(NativeMethods.SCI_ANNOTATIONSETTEXT, new IntPtr(_lineIndex), IntPtr.Zero);
}
public void Copy(bool copyLine)
{
if (copyLine)
{
Scintilla.DirectMessage(NativeMethods.SCI_COPYALLOWLINE, IntPtr.Zero, IntPtr.Zero);
}
else
{
Scintilla.DirectMessage(NativeMethods.SCI_COPY, IntPtr.Zero, IntPtr.Zero);
}
}
private static unsafe ArraySegment <byte> GetStyledText(Scintilla scintilla, int startBytePos, int endBytePos, bool addLineBreak)
{
Debug.Assert(endBytePos > startBytePos);
// Make sure the range is styled
scintilla.DirectMessage(NativeMethods.SCI_COLOURISE, new IntPtr(startBytePos), new IntPtr(endBytePos));
var byteLength = (endBytePos - startBytePos);
var buffer = new byte[(byteLength * 2) + (addLineBreak ? 4 : 0) + 2];
fixed(byte *bp = buffer)
{
NativeMethods.Sci_TextRange *tr = stackalloc NativeMethods.Sci_TextRange[1];
tr->chrg.cpMin = startBytePos;
tr->chrg.cpMax = endBytePos;
tr->lpstrText = new IntPtr(bp);
scintilla.DirectMessage(NativeMethods.SCI_GETSTYLEDTEXT, IntPtr.Zero, new IntPtr(tr));
byteLength *= 2;
}
// Add a line break?
// We do this when this range is part of a rectangular selection.
if (addLineBreak)
{
var style = buffer[byteLength - 1];
buffer[byteLength++] = (byte)'\r';
buffer[byteLength++] = style;
buffer[byteLength++] = (byte)'\n';
buffer[byteLength++] = style;
// Fix-up the NULL terminator just in case
buffer[byteLength] = 0;
buffer[byteLength + 1] = 0;
}
return(new ArraySegment <byte>(buffer, 0, byteLength));
}
/// <summary>
/// Updates the classification of the characters specified.
/// </summary>
/// <param name="chars">The characters to reclassify.</param>
/// <param name="classification">The new classification for the <paramref name="chars" />.</param>
/// <remarks>
/// The default character classifications are suitable for most text and do not affect the lexing process.
/// Rather, character classifications specify how the <see cref="Scintilla" /> control interprets
/// characters for operations such as skipping or selecting a word. Specifying the classification of
/// Unicode characters is not supported.
/// </remarks>
/// <exception cref="ArgumentNullException"><paramref name="chars" /> is null.</exception>
/// <exception cref="ArgumentException">
/// One or more of the values specified in <paramref name="chars" /> is not an ASCII character.
/// </exception>
/// <exception cref="InvalidEnumArgumentException">
/// The value assigned to <paramref name="classification" /> is not one of the <see cref="CharClassification" /> values.
/// </exception>
public void ReclassifyChars(IEnumerable <char> chars, CharClassification classification)
{
if (chars == null)
{
throw new ArgumentNullException("chars");
}
if (!Enum.IsDefined(typeof(CharClassification), classification))
{
throw new InvalidEnumArgumentException("classification", (int)classification, typeof(CharClassification));
}
int msg;
switch (classification)
{
case CharClassification.Whitespace:
msg = NativeMethods.SCI_SETWHITESPACECHARS;
break;
case CharClassification.Word:
msg = NativeMethods.SCI_SETWORDCHARS;
break;
default:
msg = NativeMethods.SCI_SETPUNCTUATIONCHARS;
break;
}
List <byte> bytes = new List <byte>();
foreach (char c in chars)
{
if (c < 0 || c >= 256)
{
throw new ArgumentException(Resources.Exception_MustBeASCII, "value");
}
bytes.Add((byte)c);
}
// Null terminator
bytes.Add(0);
unsafe
{
fixed(byte *bp = bytes.ToArray())
Scintilla.DirectMessage(msg, IntPtr.Zero, (IntPtr)bp);
}
}
/// <summary>
/// The number of lines displayed when a line of text is wrapped.
/// </summary>
/// <param name="lineIndex">The zero-based index of the line to count.</param>
/// <returns>The numbers of display lines the line of text occupies.</returns>
///// <exception cref="ArgumentOutOfRangeException">
///// <paramref name="lineIndex"/> is less than 0 or greater than the line count.
///// </exception>
public virtual int GetWrapCount(int lineIndex)
{
//if (lineIndex < 0 || lineIndex > _scintilla.Lines.Count)
//{
// string paramName = "lineIndex";
// string message = string.Format(CultureInfo.InvariantCulture, Resources.Exception_MustBeNonNegativeAndLessThan, paramName, "the line count");
// throw new ArgumentOutOfRangeException(paramName, message);
//}
return(_scintilla.DirectMessage(NativeMethods.SCI_WRAPCOUNT, new IntPtr(lineIndex), IntPtr.Zero).ToInt32());
}
/// <summary>
/// Sets the marker symbol to a custom image.
/// </summary>
/// <param name="image">The Bitmap to use as a marker symbol.</param>
/// <remarks>Calling this method will also update the <see cref="Symbol" /> property to <see cref="MarkerSymbol.RgbaImage" />.</remarks>
public unsafe void DefineRgbaImage(Bitmap image)
{
if (image == null)
{
return;
}
scintilla.DirectMessage(NativeMethods.SCI_RGBAIMAGESETWIDTH, new IntPtr(image.Width));
scintilla.DirectMessage(NativeMethods.SCI_RGBAIMAGESETHEIGHT, new IntPtr(image.Height));
var bytes = Helpers.BitmapToArgb(image);
fixed(byte *bp = bytes)
scintilla.DirectMessage(NativeMethods.SCI_MARKERDEFINERGBAIMAGE, new IntPtr(Index), new IntPtr(bp));
}
internal char[] GetClassificationChars(CharClassification classification)
{
Debug.Assert(Enum.IsDefined(typeof(CharClassification), classification));
int msg;
switch (classification)
{
case CharClassification.Whitespace:
msg = NativeMethods.SCI_GETWHITESPACECHARS;
break;
case CharClassification.Word:
msg = NativeMethods.SCI_GETWORDCHARS;
break;
default:
msg = NativeMethods.SCI_GETPUNCTUATIONCHARS;
break;
}
char[] chars;
unsafe
{
byte *bp = stackalloc byte[256]; // Max possible according to Scintilla code
int length = (int)Scintilla.DirectMessage(msg, IntPtr.Zero, (IntPtr)bp);
chars = new char[length];
for (int i = 0; i < length; i++)
{
chars[i] = (char)bp[i];
}
}
return(chars);
}
private static unsafe List<ArraySegment<byte>> GetStyledSegments(Scintilla scintilla, bool currentSelection, bool currentLine, int startBytePos, int endBytePos, out StyleData[] styles)
{
var segments = new List<ArraySegment<byte>>();
if (currentSelection)
{
// Get each selection as a segment.
// Rectangular selections are ordered top to bottom and have line breaks appended.
var ranges = new List<Tuple<int, int>>();
var selCount = scintilla.DirectMessage(NativeMethods.SCI_GETSELECTIONS).ToInt32();
for (int i = 0; i < selCount; i++)
{
var selStartBytePos = scintilla.DirectMessage(NativeMethods.SCI_GETSELECTIONNSTART, new IntPtr(i)).ToInt32();
var selEndBytePos = scintilla.DirectMessage(NativeMethods.SCI_GETSELECTIONNEND, new IntPtr(i)).ToInt32();
ranges.Add(Tuple.Create(selStartBytePos, selEndBytePos));
}
var selIsRect = scintilla.DirectMessage(NativeMethods.SCI_SELECTIONISRECTANGLE) != IntPtr.Zero;
if (selIsRect)
ranges.OrderBy(r => r.Item1); // Sort top to bottom
foreach (var range in ranges)
{
var styledText = GetStyledText(scintilla, range.Item1, range.Item2, selIsRect);
segments.Add(styledText);
}
}
else if (currentLine)
{
// Get the current line
var mainSelection = scintilla.DirectMessage(NativeMethods.SCI_GETMAINSELECTION).ToInt32();
var mainCaretPos = scintilla.DirectMessage(NativeMethods.SCI_GETSELECTIONNCARET, new IntPtr(mainSelection)).ToInt32();
var lineIndex = scintilla.DirectMessage(NativeMethods.SCI_LINEFROMPOSITION, new IntPtr(mainCaretPos)).ToInt32();
var lineStartBytePos = scintilla.DirectMessage(NativeMethods.SCI_POSITIONFROMLINE, new IntPtr(lineIndex)).ToInt32();
var lineLength = scintilla.DirectMessage(NativeMethods.SCI_POSITIONFROMLINE, new IntPtr(lineIndex)).ToInt32();
var styledText = GetStyledText(scintilla, lineStartBytePos, (lineStartBytePos + lineLength), false);
segments.Add(styledText);
}
else // User-specified range
{
Debug.Assert(startBytePos != endBytePos);
var styledText = GetStyledText(scintilla, startBytePos, endBytePos, false);
segments.Add(styledText);
}
// Build a list of (used) styles
styles = new StyleData[NativeMethods.STYLE_MAX + 1];
styles[Style.Default].Used = true;
styles[Style.Default].FontName = scintilla.Styles[Style.Default].Font;
styles[Style.Default].SizeF = scintilla.Styles[Style.Default].SizeF;
styles[Style.Default].Weight = scintilla.DirectMessage(NativeMethods.SCI_STYLEGETWEIGHT, new IntPtr(Style.Default), IntPtr.Zero).ToInt32();
styles[Style.Default].Italic = scintilla.DirectMessage(NativeMethods.SCI_STYLEGETITALIC, new IntPtr(Style.Default), IntPtr.Zero).ToInt32();
styles[Style.Default].Underline = scintilla.DirectMessage(NativeMethods.SCI_STYLEGETUNDERLINE, new IntPtr(Style.Default), IntPtr.Zero).ToInt32();
styles[Style.Default].BackColor = scintilla.DirectMessage(NativeMethods.SCI_STYLEGETBACK, new IntPtr(Style.Default), IntPtr.Zero).ToInt32();
styles[Style.Default].ForeColor = scintilla.DirectMessage(NativeMethods.SCI_STYLEGETFORE, new IntPtr(Style.Default), IntPtr.Zero).ToInt32();
styles[Style.Default].Case = scintilla.DirectMessage(NativeMethods.SCI_STYLEGETCASE, new IntPtr(Style.Default), IntPtr.Zero).ToInt32();
styles[Style.Default].Visible = scintilla.DirectMessage(NativeMethods.SCI_STYLEGETVISIBLE, new IntPtr(Style.Default), IntPtr.Zero).ToInt32();
foreach (var seg in segments)
{
for (int i = 0; i < seg.Count; i += 2)
{
var style = seg.Array[i + 1];
if (!styles[style].Used)
{
styles[style].Used = true;
styles[style].FontName = scintilla.Styles[style].Font;
styles[style].SizeF = scintilla.Styles[style].SizeF;
styles[style].Weight = scintilla.DirectMessage(NativeMethods.SCI_STYLEGETWEIGHT, new IntPtr(style), IntPtr.Zero).ToInt32();
styles[style].Italic = scintilla.DirectMessage(NativeMethods.SCI_STYLEGETITALIC, new IntPtr(style), IntPtr.Zero).ToInt32();
styles[style].Underline = scintilla.DirectMessage(NativeMethods.SCI_STYLEGETUNDERLINE, new IntPtr(style), IntPtr.Zero).ToInt32();
styles[style].BackColor = scintilla.DirectMessage(NativeMethods.SCI_STYLEGETBACK, new IntPtr(style), IntPtr.Zero).ToInt32();
styles[style].ForeColor = scintilla.DirectMessage(NativeMethods.SCI_STYLEGETFORE, new IntPtr(style), IntPtr.Zero).ToInt32();
styles[style].Case = scintilla.DirectMessage(NativeMethods.SCI_STYLEGETCASE, new IntPtr(style), IntPtr.Zero).ToInt32();
styles[style].Visible = scintilla.DirectMessage(NativeMethods.SCI_STYLEGETVISIBLE, new IntPtr(style), IntPtr.Zero).ToInt32();
}
}
}
return segments;
}
private static unsafe void CopyRtf(Scintilla scintilla, StyleData[] styles, List<ArraySegment<byte>> styledSegments)
{
// NppExport -> NppExport.cpp
// NppExport -> RTFExporter.cpp
// http://en.wikipedia.org/wiki/Rich_Text_Format
// https://msdn.microsoft.com/en-us/library/windows/desktop/ms649013.aspx
// http://forums.codeguru.com/showthread.php?242982-Converting-pixels-to-twips
// http://en.wikipedia.org/wiki/UTF-8
try
{
// Calculate twips per space
int twips;
var fontStyle = FontStyle.Regular;
if (styles[Style.Default].Weight >= 700)
fontStyle |= FontStyle.Bold;
if (styles[Style.Default].Italic != 0)
fontStyle |= FontStyle.Italic;
if (styles[Style.Default].Underline != 0)
fontStyle |= FontStyle.Underline;
using (var graphics = scintilla.CreateGraphics())
using (var font = new Font(styles[Style.Default].FontName, styles[Style.Default].SizeF, fontStyle))
{
var width = graphics.MeasureString(" ", font).Width;
twips = (int)((width / graphics.DpiX) * 1440);
// TODO The twips value calculated seems too small on my computer
}
// Write RTF
using (var ms = new NativeMemoryStream(styledSegments.Sum(s => s.Count)))
using (var tw = new StreamWriter(ms, Encoding.ASCII))
{
var tabWidth = scintilla.DirectMessage(NativeMethods.SCI_GETTABWIDTH).ToInt32();
var deftab = tabWidth * twips;
tw.WriteLine(@"{{\rtf1\ansi\deff0\deftab{0}", deftab);
tw.Flush();
// Build the font table
tw.Write(@"{\fonttbl");
tw.Write(@"{{\f0 {0};}}", styles[Style.Default].FontName);
var fontIndex = 1;
for (int i = 0; i < styles.Length; i++)
{
if (!styles[i].Used)
continue;
if (i == Style.Default)
continue;
// Not a completely unique list, but close enough
if (styles[i].FontName != styles[Style.Default].FontName)
{
styles[i].FontIndex = fontIndex++;
tw.Write(@"{{\f{0} {1};}}", styles[i].FontIndex, styles[i].FontName);
}
}
tw.WriteLine("}"); // fonttbl
tw.Flush();
// Build the color table
tw.Write(@"{\colortbl");
tw.Write(@"\red{0}\green{1}\blue{2};", (styles[Style.Default].ForeColor >> 0) & 0xFF, (styles[Style.Default].ForeColor >> 8) & 0xFF, (styles[Style.Default].ForeColor >> 16) & 0xFF);
tw.Write(@"\red{0}\green{1}\blue{2};", (styles[Style.Default].BackColor >> 0) & 0xFF, (styles[Style.Default].BackColor >> 8) & 0xFF, (styles[Style.Default].BackColor >> 16) & 0xFF);
styles[Style.Default].ForeColorIndex = 0;
styles[Style.Default].BackColorIndex = 1;
var colorIndex = 2;
for (int i = 0; i < styles.Length; i++)
{
if (!styles[i].Used)
continue;
if (i == Style.Default)
continue;
// Not a completely unique list, but close enough
if (styles[i].ForeColor != styles[Style.Default].ForeColor)
{
styles[i].ForeColorIndex = colorIndex++;
tw.Write(@"\red{0}\green{1}\blue{2};", (styles[i].ForeColor >> 0) & 0xFF, (styles[i].ForeColor >> 8) & 0xFF, (styles[i].ForeColor >> 16) & 0xFF);
}
else
{
styles[i].ForeColorIndex = styles[Style.Default].ForeColorIndex;
}
if (styles[i].BackColor != styles[Style.Default].BackColor)
{
styles[i].BackColorIndex = colorIndex++;
tw.Write(@"\red{0}\green{1}\blue{2};", (styles[i].BackColor >> 0) & 0xFF, (styles[i].BackColor >> 8) & 0xFF, (styles[i].BackColor >> 16) & 0xFF);
}
else
{
styles[i].BackColorIndex = styles[Style.Default].BackColorIndex;
}
}
tw.WriteLine("}"); // colortbl
tw.Flush();
// Start with the default style
tw.Write(@"\f{0}\fs{1}\cf{2}\chshdng0\chcbpat{3}\cb{3} ", styles[Style.Default].FontIndex, (int)(styles[Style.Default].SizeF * 2), styles[Style.Default].ForeColorIndex, styles[Style.Default].BackColorIndex);
if (styles[Style.Default].Italic != 0)
tw.Write(@"\i");
if (styles[Style.Default].Underline != 0)
tw.Write(@"\ul");
if (styles[Style.Default].Weight >= 700)
tw.Write(@"\b");
tw.AutoFlush = true;
var lastStyle = Style.Default;
var unicodeLineEndings = ((scintilla.DirectMessage(NativeMethods.SCI_GETLINEENDTYPESACTIVE).ToInt32() & NativeMethods.SC_LINE_END_TYPE_UNICODE) > 0);
foreach (var seg in styledSegments)
{
var endOffset = seg.Offset + seg.Count;
for (int i = seg.Offset; i < endOffset; i += 2)
{
var ch = seg.Array[i];
var style = seg.Array[i + 1];
if (lastStyle != style)
{
// Change the style
if (styles[lastStyle].FontIndex != styles[style].FontIndex)
tw.Write(@"\f{0}", styles[style].FontIndex);
if (styles[lastStyle].SizeF != styles[style].SizeF)
tw.Write(@"\fs{0}", (int)(styles[style].SizeF * 2));
if (styles[lastStyle].ForeColorIndex != styles[style].ForeColorIndex)
tw.Write(@"\cf{0}", styles[style].ForeColorIndex);
if (styles[lastStyle].BackColorIndex != styles[style].BackColorIndex)
tw.Write(@"\chshdng0\chcbpat{0}\cb{0}", styles[style].BackColorIndex);
if (styles[lastStyle].Italic != styles[style].Italic)
tw.Write(@"\i{0}", styles[style].Italic != 0 ? "" : "0");
if (styles[lastStyle].Underline != styles[style].Underline)
tw.Write(@"\ul{0}", styles[style].Underline != 0 ? "" : "0");
if (styles[lastStyle].Weight != styles[style].Weight)
{
if (styles[style].Weight >= 700 && styles[lastStyle].Weight < 700)
tw.Write(@"\b");
else if (styles[style].Weight < 700 && styles[lastStyle].Weight >= 700)
tw.Write(@"\b0");
}
// NOTE: We don't support StyleData.Visible and StyleData.Case in RTF
lastStyle = style;
tw.Write(" "); // Delimiter
}
switch (ch)
{
case (byte)'{':
tw.Write(@"\{");
break;
case (byte)'}':
tw.Write(@"\}");
break;
case (byte)'\\':
tw.Write(@"\\");
break;
case (byte)'\t':
tw.Write(@"\tab ");
break;
case (byte)'\r':
if (i + 2 < endOffset)
{
if (seg.Array[i + 2] == (byte)'\n')
i += 2;
}
// Either way, this is a line break
goto case (byte)'\n';
case 0xC2:
if (unicodeLineEndings && i + 2 < endOffset)
{
if (seg.Array[i + 2] == 0x85) // NEL \u0085
{
i += 2;
goto case (byte)'\n';
}
}
// Not a Unicode line break
goto default;
case 0xE2:
if (unicodeLineEndings && i + 4 < endOffset)
{
if (seg.Array[i + 2] == 0x80 && seg.Array[i + 4] == 0xA8) // LS \u2028
{
i += 4;
goto case (byte)'\n';
}
else if (seg.Array[i + 2] == 0x80 && seg.Array[i + 4] == 0xA9) // PS \u2029
{
i += 4;
goto case (byte)'\n';
}
}
// Not a Unicode line break
goto default;
case (byte)'\n':
// All your line breaks are belong to us
tw.WriteLine(@"\par");
break;
default:
if (ch == 0)
{
// Scintilla behavior is to allow control characters except for
// NULL which will cause the Clipboard to truncate the string.
tw.Write(" "); // Replace with space
break;
}
if (ch > 0x7F)
{
// Treat as UTF-8 code point
int unicode = 0;
if (ch < 0xE0 && i + 2 < endOffset)
{
unicode |= ((0x1F & ch) << 6);
unicode |= (0x3F & seg.Array[i + 2]);
tw.Write(@"\u{0}?", unicode);
i += 2;
break;
}
else if (ch < 0xF0 && i + 4 < endOffset)
{
unicode |= ((0xF & ch) << 12);
unicode |= ((0x3F & seg.Array[i + 2]) << 6);
unicode |= (0x3F & seg.Array[i + 4]);
tw.Write(@"\u{0}?", unicode);
i += 4;
break;
}
else if (ch < 0xF8 && i + 6 < endOffset)
{
unicode |= ((0x7 & ch) << 18);
unicode |= ((0x3F & seg.Array[i + 2]) << 12);
unicode |= ((0x3F & seg.Array[i + 4]) << 6);
unicode |= (0x3F & seg.Array[i + 6]);
tw.Write(@"\u{0}?", unicode);
i += 6;
break;
}
}
// Regular ANSI char
ms.WriteByte(ch);
break;
}
}
}
tw.AutoFlush = false;
tw.WriteLine("}"); // rtf1
tw.Flush();
// Terminator
ms.WriteByte(0);
// var str = GetString(ms.Pointer, (int)ms.Length, Encoding.ASCII);
if (NativeMethods.SetClipboardData(CF_RTF, ms.Pointer) != IntPtr.Zero)
ms.FreeOnDispose = false; // Clipboard will free memory
}
}
catch (Exception ex)
{
// Yes, we swallow any exceptions. That may seem like code smell but this matches
// the behavior of the Clipboard class, Windows Forms controls, and native Scintilla.
Debug.Fail(ex.Message, ex.ToString());
}
}
private static unsafe void CopyHtml(Scintilla scintilla, StyleData[] styles, List<ArraySegment<byte>> styledSegments)
{
// NppExport -> NppExport.cpp
// NppExport -> HTMLExporter.cpp
// http://blogs.msdn.com/b/jmstall/archive/2007/01/21/html-clipboard.aspx
// http://blogs.msdn.com/b/jmstall/archive/2007/01/21/sample-code-html-clipboard.aspx
// https://msdn.microsoft.com/en-us/library/windows/desktop/ms649015.aspx
try
{
long pos = 0;
byte[] bytes;
// Write HTML
using (var ms = new NativeMemoryStream(styledSegments.Sum(s => s.Count)))
using (var tw = new StreamWriter(ms, new UTF8Encoding(false)))
{
const int INDEX_START_HTML = 23;
const int INDEX_START_FRAGMENT = 65;
const int INDEX_END_FRAGMENT = 87;
const int INDEX_END_HTML = 41;
tw.WriteLine("Version:0.9");
tw.WriteLine("StartHTML:00000000");
tw.WriteLine("EndHTML:00000000");
tw.WriteLine("StartFragment:00000000");
tw.WriteLine("EndFragment:00000000");
tw.Flush();
// Patch header
pos = ms.Position;
ms.Seek(INDEX_START_HTML, SeekOrigin.Begin);
ms.Write((bytes = Encoding.ASCII.GetBytes(ms.Length.ToString("D8"))), 0, bytes.Length);
ms.Seek(pos, SeekOrigin.Begin);
tw.WriteLine("<html>");
tw.WriteLine("<head>");
tw.WriteLine(@"<meta charset=""utf-8"" />");
tw.WriteLine(@"<title>ScintillaNET v{0}</title>", scintilla.GetType().Assembly.GetName().Version.ToString(3));
tw.WriteLine("</head>");
tw.WriteLine("<body>");
tw.Flush();
// Patch header
pos = ms.Position;
ms.Seek(INDEX_START_FRAGMENT, SeekOrigin.Begin);
ms.Write((bytes = Encoding.ASCII.GetBytes(ms.Length.ToString("D8"))), 0, bytes.Length);
ms.Seek(pos, SeekOrigin.Begin);
tw.WriteLine("<!--StartFragment -->");
// Write the styles.
// We're doing the style tag in the body to include it in the "fragment".
tw.WriteLine(@"<style type=""text/css"" scoped="""">");
tw.Write("div#segments {");
tw.Write(" float: left;");
tw.Write(" white-space: pre;");
tw.Write(" line-height: {0}px;", scintilla.DirectMessage(NativeMethods.SCI_TEXTHEIGHT, new IntPtr(0)).ToInt32());
tw.Write(" background-color: #{0:X2}{1:X2}{2:X2};", (styles[Style.Default].BackColor >> 0) & 0xFF, (styles[Style.Default].BackColor >> 8) & 0xFF, (styles[Style.Default].BackColor >> 16) & 0xFF);
tw.WriteLine(" }");
for (int i = 0; i < styles.Length; i++)
{
if (!styles[i].Used)
continue;
tw.Write("span.s{0} {{", i);
tw.Write(@" font-family: ""{0}"";", styles[i].FontName);
tw.Write(" font-size: {0}pt;", styles[i].SizeF);
tw.Write(" font-weight: {0};", styles[i].Weight);
if (styles[i].Italic != 0)
tw.Write(" font-style: italic;");
if (styles[i].Underline != 0)
tw.Write(" text-decoration: underline;");
tw.Write(" background-color: #{0:X2}{1:X2}{2:X2};", (styles[i].BackColor >> 0) & 0xFF, (styles[i].BackColor >> 8) & 0xFF, (styles[i].BackColor >> 16) & 0xFF);
tw.Write(" color: #{0:X2}{1:X2}{2:X2};", (styles[i].ForeColor >> 0) & 0xFF, (styles[i].ForeColor >> 8) & 0xFF, (styles[i].ForeColor >> 16) & 0xFF);
switch ((StyleCase)styles[i].Case)
{
case StyleCase.Upper:
tw.Write(" text-transform: uppercase;");
break;
case StyleCase.Lower:
tw.Write(" text-transform: lowercase;");
break;
}
if (styles[i].Visible == 0)
tw.Write(" visibility: hidden;");
tw.WriteLine(" }");
}
tw.WriteLine("</style>");
tw.Write(@"<div id=""segments""><span class=""s{0}"">", Style.Default);
tw.Flush();
var tabSize = scintilla.DirectMessage(NativeMethods.SCI_GETTABWIDTH).ToInt32();
var tab = new string(' ', tabSize);
tw.AutoFlush = true;
var lastStyle = Style.Default;
var unicodeLineEndings = ((scintilla.DirectMessage(NativeMethods.SCI_GETLINEENDTYPESACTIVE).ToInt32() & NativeMethods.SC_LINE_END_TYPE_UNICODE) > 0);
foreach (var seg in styledSegments)
{
var endOffset = seg.Offset + seg.Count;
for (int i = seg.Offset; i < endOffset; i += 2)
{
var ch = seg.Array[i];
var style = seg.Array[i + 1];
if (lastStyle != style)
{
tw.Write(@"</span><span class=""s{0}"">", style);
lastStyle = style;
}
switch (ch)
{
case (byte)'<':
tw.Write("<");
break;
case (byte)'>':
tw.Write(">");
break;
case (byte)'&':
tw.Write("&");
break;
case (byte)'\t':
tw.Write(tab);
break;
case (byte)'\r':
if (i + 2 < endOffset)
{
if (seg.Array[i + 2] == (byte)'\n')
i += 2;
}
// Either way, this is a line break
goto case (byte)'\n';
case 0xC2:
if (unicodeLineEndings && i + 2 < endOffset)
{
if (seg.Array[i + 2] == 0x85) // NEL \u0085
{
i += 2;
goto case (byte)'\n';
}
}
// Not a Unicode line break
goto default;
case 0xE2:
if (unicodeLineEndings && i + 4 < endOffset)
{
if (seg.Array[i + 2] == 0x80 && seg.Array[i + 4] == 0xA8) // LS \u2028
{
i += 4;
goto case (byte)'\n';
}
else if (seg.Array[i + 2] == 0x80 && seg.Array[i + 4] == 0xA9) // PS \u2029
{
i += 4;
goto case (byte)'\n';
}
}
// Not a Unicode line break
goto default;
case (byte)'\n':
// All your line breaks are belong to us
tw.Write("\r\n");
break;
default:
if (ch == 0)
{
// Scintilla behavior is to allow control characters except for
// NULL which will cause the Clipboard to truncate the string.
tw.Write(" "); // Replace with space
break;
}
ms.WriteByte(ch);
break;
}
}
}
tw.AutoFlush = false;
tw.WriteLine("</span></div>");
tw.Flush();
// Patch header
pos = ms.Position;
ms.Seek(INDEX_END_FRAGMENT, SeekOrigin.Begin);
ms.Write((bytes = Encoding.ASCII.GetBytes(ms.Length.ToString("D8"))), 0, bytes.Length);
ms.Seek(pos, SeekOrigin.Begin);
tw.WriteLine("<!--EndFragment-->");
tw.WriteLine("</body>");
tw.WriteLine("</html>");
tw.Flush();
// Patch header
pos = ms.Position;
ms.Seek(INDEX_END_HTML, SeekOrigin.Begin);
ms.Write((bytes = Encoding.ASCII.GetBytes(ms.Length.ToString("D8"))), 0, bytes.Length);
ms.Seek(pos, SeekOrigin.Begin);
// Terminator
ms.WriteByte(0);
var str = GetString(ms.Pointer, (int)ms.Length, Encoding.UTF8);
if (NativeMethods.SetClipboardData(CF_HTML, ms.Pointer) != IntPtr.Zero)
ms.FreeOnDispose = false; // Clipboard will free memory
}
}
catch (Exception ex)
{
// Yes, we swallow any exceptions. That may seem like code smell but this matches
// the behavior of the Clipboard class, Windows Forms controls, and native Scintilla.
Debug.Fail(ex.Message, ex.ToString());
}
}
public static void Copy(Scintilla scintilla, CopyFormat format, bool useSelection, bool allowLine, int startBytePos, int endBytePos)
{
// Plain text
if ((format & CopyFormat.Text) > 0)
{
if (useSelection)
{
if (allowLine)
scintilla.DirectMessage(NativeMethods.SCI_COPYALLOWLINE);
else
scintilla.DirectMessage(NativeMethods.SCI_COPY);
}
else
{
scintilla.DirectMessage(NativeMethods.SCI_COPYRANGE, new IntPtr(startBytePos), new IntPtr(endBytePos));
}
}
// RTF and/or HTML
if ((format & (CopyFormat.Rtf | CopyFormat.Html)) > 0)
{
// If we ever allow more than UTF-8, this will have to be revisited
Debug.Assert(scintilla.DirectMessage(NativeMethods.SCI_GETCODEPAGE).ToInt32() == NativeMethods.SC_CP_UTF8);
if (!registeredFormats)
{
// Register non-standard clipboard formats.
// Scintilla -> ScintillaWin.cxx
// NppExport -> HTMLExporter.h
// NppExport -> RTFExporter.h
CF_LINESELECT = NativeMethods.RegisterClipboardFormat("MSDEVLineSelect");
CF_VSLINETAG = NativeMethods.RegisterClipboardFormat("VisualStudioEditorOperationsLineCutCopyClipboardTag");
CF_HTML = NativeMethods.RegisterClipboardFormat("HTML Format");
CF_RTF = NativeMethods.RegisterClipboardFormat("Rich Text Format");
registeredFormats = true;
}
var lineCopy = false;
StyleData[] styles = null;
List<ArraySegment<byte>> styledSegments = null;
if (useSelection)
{
var selIsEmpty = scintilla.DirectMessage(NativeMethods.SCI_GETSELECTIONEMPTY) != IntPtr.Zero;
if (selIsEmpty)
{
if (allowLine)
{
// Get the current line
styledSegments = GetStyledSegments(scintilla, false, true, 0, 0, out styles);
lineCopy = true;
}
}
else
{
// Get every selection
styledSegments = GetStyledSegments(scintilla, true, false, 0, 0, out styles);
}
}
else if (startBytePos != endBytePos)
{
// User-specified range
styledSegments = GetStyledSegments(scintilla, false, false, startBytePos, endBytePos, out styles);
}
// If we have segments and can open the clipboard
if (styledSegments != null && styledSegments.Count > 0 && NativeMethods.OpenClipboard(scintilla.Handle))
{
if ((format & CopyFormat.Text) == 0)
{
// Do the things default (plain text) processing would normally give us
NativeMethods.EmptyClipboard();
if (lineCopy)
{
// Clipboard tags
NativeMethods.SetClipboardData(CF_LINESELECT, IntPtr.Zero);
NativeMethods.SetClipboardData(CF_VSLINETAG, IntPtr.Zero);
}
}
// RTF
if ((format & CopyFormat.Rtf) > 0)
CopyRtf(scintilla, styles, styledSegments);
// HTML
if ((format & CopyFormat.Html) > 0)
CopyHtml(scintilla, styles, styledSegments);
NativeMethods.CloseClipboard();
}
}
}
/// <summary>
/// Removes all text displayed in every <see cref="MarginType.Text" /> and <see cref="MarginType.RightText" /> margins.
/// </summary>
public void ClearAllText()
{
scintilla.DirectMessage(NativeMethods.SCI_MARGINTEXTCLEARALL);
}
/// <summary>
/// Scrolls the display by the specified number of lines and columns.
/// </summary>
/// <param name="lines">The number of display lines to scroll. Positive numbers scroll down, negative numbers scroll up.</param>
/// <param name="columns">The number of columns to scroll. Positive numbers scroll right, negative numbers scroll left.</param>
public virtual void ScrollBy(int lines, int columns)
{
// NOTE: We reverse the order of the params
_scintilla.DirectMessage(NativeMethods.SCI_LINESCROLL, new IntPtr(columns), new IntPtr(lines));
}
private static unsafe void CopyHtml(Scintilla scintilla, StyleData[] styles, List <ArraySegment <byte> > styledSegments)
{
// NppExport -> NppExport.cpp
// NppExport -> HTMLExporter.cpp
// http://blogs.msdn.com/b/jmstall/archive/2007/01/21/html-clipboard.aspx
// http://blogs.msdn.com/b/jmstall/archive/2007/01/21/sample-code-html-clipboard.aspx
// https://msdn.microsoft.com/en-us/library/windows/desktop/ms649015.aspx
try
{
long pos = 0;
byte[] bytes;
// Write HTML
using (var ms = new NativeMemoryStream(styledSegments.Sum(s => s.Count)))
using (var tw = new StreamWriter(ms, new UTF8Encoding(false)))
{
const int INDEX_START_HTML = 23;
const int INDEX_START_FRAGMENT = 65;
const int INDEX_END_FRAGMENT = 87;
const int INDEX_END_HTML = 41;
tw.WriteLine("Version:0.9");
tw.WriteLine("StartHTML:00000000");
tw.WriteLine("EndHTML:00000000");
tw.WriteLine("StartFragment:00000000");
tw.WriteLine("EndFragment:00000000");
tw.Flush();
// Patch header
pos = ms.Position;
ms.Seek(INDEX_START_HTML, SeekOrigin.Begin);
ms.Write((bytes = Encoding.ASCII.GetBytes(ms.Length.ToString("D8"))), 0, bytes.Length);
ms.Seek(pos, SeekOrigin.Begin);
tw.WriteLine("<html>");
tw.WriteLine("<head>");
tw.WriteLine(@"<meta charset=""utf-8"" />");
tw.WriteLine(@"<title>ScintillaNET v{0}</title>", scintilla.GetType().Assembly.GetName().Version.ToString(3));
tw.WriteLine("</head>");
tw.WriteLine("<body>");
tw.Flush();
// Patch header
pos = ms.Position;
ms.Seek(INDEX_START_FRAGMENT, SeekOrigin.Begin);
ms.Write((bytes = Encoding.ASCII.GetBytes(ms.Length.ToString("D8"))), 0, bytes.Length);
ms.Seek(pos, SeekOrigin.Begin);
tw.WriteLine("<!--StartFragment -->");
// Write the styles.
// We're doing the style tag in the body to include it in the "fragment".
tw.WriteLine(@"<style type=""text/css"" scoped="""">");
tw.Write("div#segments {");
tw.Write(" float: left;");
tw.Write(" white-space: pre;");
tw.Write(" line-height: {0}px;", scintilla.DirectMessage(NativeMethods.SCI_TEXTHEIGHT, new IntPtr(0)).ToInt32());
tw.Write(" background-color: #{0:X2}{1:X2}{2:X2};", (styles[Style.Default].BackColor >> 0) & 0xFF, (styles[Style.Default].BackColor >> 8) & 0xFF, (styles[Style.Default].BackColor >> 16) & 0xFF);
tw.WriteLine(" }");
for (int i = 0; i < styles.Length; i++)
{
if (!styles[i].Used)
{
continue;
}
tw.Write("span.s{0} {{", i);
tw.Write(@" font-family: ""{0}"";", styles[i].FontName);
tw.Write(" font-size: {0}pt;", styles[i].SizeF);
tw.Write(" font-weight: {0};", styles[i].Weight);
if (styles[i].Italic != 0)
{
tw.Write(" font-style: italic;");
}
if (styles[i].Underline != 0)
{
tw.Write(" text-decoration: underline;");
}
tw.Write(" background-color: #{0:X2}{1:X2}{2:X2};", (styles[i].BackColor >> 0) & 0xFF, (styles[i].BackColor >> 8) & 0xFF, (styles[i].BackColor >> 16) & 0xFF);
tw.Write(" color: #{0:X2}{1:X2}{2:X2};", (styles[i].ForeColor >> 0) & 0xFF, (styles[i].ForeColor >> 8) & 0xFF, (styles[i].ForeColor >> 16) & 0xFF);
switch ((StyleCase)styles[i].Case)
{
case StyleCase.Upper:
tw.Write(" text-transform: uppercase;");
break;
case StyleCase.Lower:
tw.Write(" text-transform: lowercase;");
break;
}
if (styles[i].Visible == 0)
{
tw.Write(" visibility: hidden;");
}
tw.WriteLine(" }");
}
tw.WriteLine("</style>");
tw.Write(@"<div id=""segments""><span class=""s{0}"">", Style.Default);
tw.Flush();
var tabSize = scintilla.DirectMessage(NativeMethods.SCI_GETTABWIDTH).ToInt32();
var tab = new string(' ', tabSize);
tw.AutoFlush = true;
var lastStyle = Style.Default;
var unicodeLineEndings = ((scintilla.DirectMessage(NativeMethods.SCI_GETLINEENDTYPESACTIVE).ToInt32() & NativeMethods.SC_LINE_END_TYPE_UNICODE) > 0);
foreach (var seg in styledSegments)
{
var endOffset = seg.Offset + seg.Count;
for (int i = seg.Offset; i < endOffset; i += 2)
{
var ch = seg.Array[i];
var style = seg.Array[i + 1];
if (lastStyle != style)
{
tw.Write(@"</span><span class=""s{0}"">", style);
lastStyle = style;
}
switch (ch)
{
case (byte)'<':
tw.Write("<");
break;
case (byte)'>':
tw.Write(">");
break;
case (byte)'&':
tw.Write("&");
break;
case (byte)'\t':
tw.Write(tab);
break;
case (byte)'\r':
if (i + 2 < endOffset)
{
if (seg.Array[i + 2] == (byte)'\n')
{
i += 2;
}
}
// Either way, this is a line break
goto case (byte)'\n';
case 0xC2:
if (unicodeLineEndings && i + 2 < endOffset)
{
if (seg.Array[i + 2] == 0x85) // NEL \u0085
{
i += 2;
goto case (byte)'\n';
}
}
// Not a Unicode line break
goto default;
case 0xE2:
if (unicodeLineEndings && i + 4 < endOffset)
{
if (seg.Array[i + 2] == 0x80 && seg.Array[i + 4] == 0xA8) // LS \u2028
{
i += 4;
goto case (byte)'\n';
}
else if (seg.Array[i + 2] == 0x80 && seg.Array[i + 4] == 0xA9) // PS \u2029
{
i += 4;
goto case (byte)'\n';
}
}
// Not a Unicode line break
goto default;
case (byte)'\n':
// All your line breaks are belong to us
tw.Write("\r\n");
break;
default:
if (ch == 0)
{
// Scintilla behavior is to allow control characters except for
// NULL which will cause the Clipboard to truncate the string.
tw.Write(" "); // Replace with space
break;
}
ms.WriteByte(ch);
break;
}
}
}
tw.AutoFlush = false;
tw.WriteLine("</span></div>");
tw.Flush();
// Patch header
pos = ms.Position;
ms.Seek(INDEX_END_FRAGMENT, SeekOrigin.Begin);
ms.Write((bytes = Encoding.ASCII.GetBytes(ms.Length.ToString("D8"))), 0, bytes.Length);
ms.Seek(pos, SeekOrigin.Begin);
tw.WriteLine("<!--EndFragment-->");
tw.WriteLine("</body>");
tw.WriteLine("</html>");
tw.Flush();
// Patch header
pos = ms.Position;
ms.Seek(INDEX_END_HTML, SeekOrigin.Begin);
ms.Write((bytes = Encoding.ASCII.GetBytes(ms.Length.ToString("D8"))), 0, bytes.Length);
ms.Seek(pos, SeekOrigin.Begin);
// Terminator
ms.WriteByte(0);
var str = GetString(ms.Pointer, (int)ms.Length, Encoding.UTF8);
if (NativeMethods.SetClipboardData(CF_HTML, ms.Pointer) != IntPtr.Zero)
{
ms.FreeOnDispose = false; // Clipboard will free memory
}
}
}
catch (Exception ex)
{
// Yes, we swallow any exceptions. That may seem like code smell but this matches
// the behavior of the Clipboard class, Windows Forms controls, and native Scintilla.
Debug.Fail(ex.Message, ex.ToString());
}
}
private int GetIndent(ScintillaNET.Scintilla scin, int line)
{
return(scin.DirectMessage(SCI_GETLINEINDENTATION, new IntPtr(line), (IntPtr)null).ToInt32());
}
public void Cut()
{
Scintilla.DirectMessage(NativeMethods.SCI_CUT, IntPtr.Zero, IntPtr.Zero);
}
private void SetIndent(ScintillaNET.Scintilla scin, int line, int indent)
{
scin.DirectMessage(SCI_SETLINEINDENTATION, new IntPtr(line), new IntPtr(indent));
}
private static unsafe List <ArraySegment <byte> > GetStyledSegments(Scintilla scintilla, bool currentSelection, bool currentLine, int startBytePos, int endBytePos, out StyleData[] styles)
{
var segments = new List <ArraySegment <byte> >();
if (currentSelection)
{
// Get each selection as a segment.
// Rectangular selections are ordered top to bottom and have line breaks appended.
var ranges = new List <Tuple <int, int> >();
var selCount = scintilla.DirectMessage(NativeMethods.SCI_GETSELECTIONS).ToInt32();
for (int i = 0; i < selCount; i++)
{
var selStartBytePos = scintilla.DirectMessage(NativeMethods.SCI_GETSELECTIONNSTART, new IntPtr(i)).ToInt32();
var selEndBytePos = scintilla.DirectMessage(NativeMethods.SCI_GETSELECTIONNEND, new IntPtr(i)).ToInt32();
ranges.Add(Tuple.Create(selStartBytePos, selEndBytePos));
}
var selIsRect = scintilla.DirectMessage(NativeMethods.SCI_SELECTIONISRECTANGLE) != IntPtr.Zero;
if (selIsRect)
{
ranges.OrderBy(r => r.Item1); // Sort top to bottom
}
foreach (var range in ranges)
{
var styledText = GetStyledText(scintilla, range.Item1, range.Item2, selIsRect);
segments.Add(styledText);
}
}
else if (currentLine)
{
// Get the current line
var mainSelection = scintilla.DirectMessage(NativeMethods.SCI_GETMAINSELECTION).ToInt32();
var mainCaretPos = scintilla.DirectMessage(NativeMethods.SCI_GETSELECTIONNCARET, new IntPtr(mainSelection)).ToInt32();
var lineIndex = scintilla.DirectMessage(NativeMethods.SCI_LINEFROMPOSITION, new IntPtr(mainCaretPos)).ToInt32();
var lineStartBytePos = scintilla.DirectMessage(NativeMethods.SCI_POSITIONFROMLINE, new IntPtr(lineIndex)).ToInt32();
var lineLength = scintilla.DirectMessage(NativeMethods.SCI_POSITIONFROMLINE, new IntPtr(lineIndex)).ToInt32();
var styledText = GetStyledText(scintilla, lineStartBytePos, (lineStartBytePos + lineLength), false);
segments.Add(styledText);
}
else // User-specified range
{
Debug.Assert(startBytePos != endBytePos);
var styledText = GetStyledText(scintilla, startBytePos, endBytePos, false);
segments.Add(styledText);
}
// Build a list of (used) styles
styles = new StyleData[NativeMethods.STYLE_MAX + 1];
styles[Style.Default].Used = true;
styles[Style.Default].FontName = scintilla.Styles[Style.Default].Font;
styles[Style.Default].SizeF = scintilla.Styles[Style.Default].SizeF;
styles[Style.Default].Weight = scintilla.DirectMessage(NativeMethods.SCI_STYLEGETWEIGHT, new IntPtr(Style.Default), IntPtr.Zero).ToInt32();
styles[Style.Default].Italic = scintilla.DirectMessage(NativeMethods.SCI_STYLEGETITALIC, new IntPtr(Style.Default), IntPtr.Zero).ToInt32();
styles[Style.Default].Underline = scintilla.DirectMessage(NativeMethods.SCI_STYLEGETUNDERLINE, new IntPtr(Style.Default), IntPtr.Zero).ToInt32();
styles[Style.Default].BackColor = scintilla.DirectMessage(NativeMethods.SCI_STYLEGETBACK, new IntPtr(Style.Default), IntPtr.Zero).ToInt32();
styles[Style.Default].ForeColor = scintilla.DirectMessage(NativeMethods.SCI_STYLEGETFORE, new IntPtr(Style.Default), IntPtr.Zero).ToInt32();
styles[Style.Default].Case = scintilla.DirectMessage(NativeMethods.SCI_STYLEGETCASE, new IntPtr(Style.Default), IntPtr.Zero).ToInt32();
styles[Style.Default].Visible = scintilla.DirectMessage(NativeMethods.SCI_STYLEGETVISIBLE, new IntPtr(Style.Default), IntPtr.Zero).ToInt32();
foreach (var seg in segments)
{
for (int i = 0; i < seg.Count; i += 2)
{
var style = seg.Array[i + 1];
if (!styles[style].Used)
{
styles[style].Used = true;
styles[style].FontName = scintilla.Styles[style].Font;
styles[style].SizeF = scintilla.Styles[style].SizeF;
styles[style].Weight = scintilla.DirectMessage(NativeMethods.SCI_STYLEGETWEIGHT, new IntPtr(style), IntPtr.Zero).ToInt32();
styles[style].Italic = scintilla.DirectMessage(NativeMethods.SCI_STYLEGETITALIC, new IntPtr(style), IntPtr.Zero).ToInt32();
styles[style].Underline = scintilla.DirectMessage(NativeMethods.SCI_STYLEGETUNDERLINE, new IntPtr(style), IntPtr.Zero).ToInt32();
styles[style].BackColor = scintilla.DirectMessage(NativeMethods.SCI_STYLEGETBACK, new IntPtr(style), IntPtr.Zero).ToInt32();
styles[style].ForeColor = scintilla.DirectMessage(NativeMethods.SCI_STYLEGETFORE, new IntPtr(style), IntPtr.Zero).ToInt32();
styles[style].Case = scintilla.DirectMessage(NativeMethods.SCI_STYLEGETCASE, new IntPtr(style), IntPtr.Zero).ToInt32();
styles[style].Visible = scintilla.DirectMessage(NativeMethods.SCI_STYLEGETVISIBLE, new IntPtr(style), IntPtr.Zero).ToInt32();
}
}
}
return(segments);
}
private static unsafe void CopyRtf(Scintilla scintilla, StyleData[] styles, List <ArraySegment <byte> > styledSegments)
{
// NppExport -> NppExport.cpp
// NppExport -> RTFExporter.cpp
// http://en.wikipedia.org/wiki/Rich_Text_Format
// https://msdn.microsoft.com/en-us/library/windows/desktop/ms649013.aspx
// http://forums.codeguru.com/showthread.php?242982-Converting-pixels-to-twips
// http://en.wikipedia.org/wiki/UTF-8
try
{
// Calculate twips per space
int twips;
var fontStyle = FontStyle.Regular;
if (styles[Style.Default].Weight >= 700)
{
fontStyle |= FontStyle.Bold;
}
if (styles[Style.Default].Italic != 0)
{
fontStyle |= FontStyle.Italic;
}
if (styles[Style.Default].Underline != 0)
{
fontStyle |= FontStyle.Underline;
}
using (var graphics = scintilla.CreateGraphics())
using (var font = new Font(styles[Style.Default].FontName, styles[Style.Default].SizeF, fontStyle))
{
var width = graphics.MeasureString(" ", font).Width;
twips = (int)((width / graphics.DpiX) * 1440);
// TODO The twips value calculated seems too small on my computer
}
// Write RTF
using (var ms = new NativeMemoryStream(styledSegments.Sum(s => s.Count)))
using (var tw = new StreamWriter(ms, Encoding.ASCII))
{
var tabWidth = scintilla.DirectMessage(NativeMethods.SCI_GETTABWIDTH).ToInt32();
var deftab = tabWidth * twips;
tw.WriteLine(@"{{\rtf1\ansi\deff0\deftab{0}", deftab);
tw.Flush();
// Build the font table
tw.Write(@"{\fonttbl");
tw.Write(@"{{\f0 {0};}}", styles[Style.Default].FontName);
var fontIndex = 1;
for (int i = 0; i < styles.Length; i++)
{
if (!styles[i].Used)
{
continue;
}
if (i == Style.Default)
{
continue;
}
// Not a completely unique list, but close enough
if (styles[i].FontName != styles[Style.Default].FontName)
{
styles[i].FontIndex = fontIndex++;
tw.Write(@"{{\f{0} {1};}}", styles[i].FontIndex, styles[i].FontName);
}
}
tw.WriteLine("}"); // fonttbl
tw.Flush();
// Build the color table
tw.Write(@"{\colortbl");
tw.Write(@"\red{0}\green{1}\blue{2};", (styles[Style.Default].ForeColor >> 0) & 0xFF, (styles[Style.Default].ForeColor >> 8) & 0xFF, (styles[Style.Default].ForeColor >> 16) & 0xFF);
tw.Write(@"\red{0}\green{1}\blue{2};", (styles[Style.Default].BackColor >> 0) & 0xFF, (styles[Style.Default].BackColor >> 8) & 0xFF, (styles[Style.Default].BackColor >> 16) & 0xFF);
styles[Style.Default].ForeColorIndex = 0;
styles[Style.Default].BackColorIndex = 1;
var colorIndex = 2;
for (int i = 0; i < styles.Length; i++)
{
if (!styles[i].Used)
{
continue;
}
if (i == Style.Default)
{
continue;
}
// Not a completely unique list, but close enough
if (styles[i].ForeColor != styles[Style.Default].ForeColor)
{
styles[i].ForeColorIndex = colorIndex++;
tw.Write(@"\red{0}\green{1}\blue{2};", (styles[i].ForeColor >> 0) & 0xFF, (styles[i].ForeColor >> 8) & 0xFF, (styles[i].ForeColor >> 16) & 0xFF);
}
else
{
styles[i].ForeColorIndex = styles[Style.Default].ForeColorIndex;
}
if (styles[i].BackColor != styles[Style.Default].BackColor)
{
styles[i].BackColorIndex = colorIndex++;
tw.Write(@"\red{0}\green{1}\blue{2};", (styles[i].BackColor >> 0) & 0xFF, (styles[i].BackColor >> 8) & 0xFF, (styles[i].BackColor >> 16) & 0xFF);
}
else
{
styles[i].BackColorIndex = styles[Style.Default].BackColorIndex;
}
}
tw.WriteLine("}"); // colortbl
tw.Flush();
// Start with the default style
tw.Write(@"\f{0}\fs{1}\cf{2}\chshdng0\chcbpat{3}\cb{3} ", styles[Style.Default].FontIndex, (int)(styles[Style.Default].SizeF * 2), styles[Style.Default].ForeColorIndex, styles[Style.Default].BackColorIndex);
if (styles[Style.Default].Italic != 0)
{
tw.Write(@"\i");
}
if (styles[Style.Default].Underline != 0)
{
tw.Write(@"\ul");
}
if (styles[Style.Default].Weight >= 700)
{
tw.Write(@"\b");
}
tw.AutoFlush = true;
var lastStyle = Style.Default;
var unicodeLineEndings = ((scintilla.DirectMessage(NativeMethods.SCI_GETLINEENDTYPESACTIVE).ToInt32() & NativeMethods.SC_LINE_END_TYPE_UNICODE) > 0);
foreach (var seg in styledSegments)
{
var endOffset = seg.Offset + seg.Count;
for (int i = seg.Offset; i < endOffset; i += 2)
{
var ch = seg.Array[i];
var style = seg.Array[i + 1];
if (lastStyle != style)
{
// Change the style
if (styles[lastStyle].FontIndex != styles[style].FontIndex)
{
tw.Write(@"\f{0}", styles[style].FontIndex);
}
if (styles[lastStyle].SizeF != styles[style].SizeF)
{
tw.Write(@"\fs{0}", (int)(styles[style].SizeF * 2));
}
if (styles[lastStyle].ForeColorIndex != styles[style].ForeColorIndex)
{
tw.Write(@"\cf{0}", styles[style].ForeColorIndex);
}
if (styles[lastStyle].BackColorIndex != styles[style].BackColorIndex)
{
tw.Write(@"\chshdng0\chcbpat{0}\cb{0}", styles[style].BackColorIndex);
}
if (styles[lastStyle].Italic != styles[style].Italic)
{
tw.Write(@"\i{0}", styles[style].Italic != 0 ? "" : "0");
}
if (styles[lastStyle].Underline != styles[style].Underline)
{
tw.Write(@"\ul{0}", styles[style].Underline != 0 ? "" : "0");
}
if (styles[lastStyle].Weight != styles[style].Weight)
{
if (styles[style].Weight >= 700 && styles[lastStyle].Weight < 700)
{
tw.Write(@"\b");
}
else if (styles[style].Weight < 700 && styles[lastStyle].Weight >= 700)
{
tw.Write(@"\b0");
}
}
// NOTE: We don't support StyleData.Visible and StyleData.Case in RTF
lastStyle = style;
tw.Write(" "); // Delimiter
}
switch (ch)
{
case (byte)'{':
tw.Write(@"\{");
break;
case (byte)'}':
tw.Write(@"\}");
break;
case (byte)'\\':
tw.Write(@"\\");
break;
case (byte)'\t':
tw.Write(@"\tab ");
break;
case (byte)'\r':
if (i + 2 < endOffset)
{
if (seg.Array[i + 2] == (byte)'\n')
{
i += 2;
}
}
// Either way, this is a line break
goto case (byte)'\n';
case 0xC2:
if (unicodeLineEndings && i + 2 < endOffset)
{
if (seg.Array[i + 2] == 0x85) // NEL \u0085
{
i += 2;
goto case (byte)'\n';
}
}
// Not a Unicode line break
goto default;
case 0xE2:
if (unicodeLineEndings && i + 4 < endOffset)
{
if (seg.Array[i + 2] == 0x80 && seg.Array[i + 4] == 0xA8) // LS \u2028
{
i += 4;
goto case (byte)'\n';
}
else if (seg.Array[i + 2] == 0x80 && seg.Array[i + 4] == 0xA9) // PS \u2029
{
i += 4;
goto case (byte)'\n';
}
}
// Not a Unicode line break
goto default;
case (byte)'\n':
// All your line breaks are belong to us
tw.WriteLine(@"\par");
break;
default:
if (ch == 0)
{
// Scintilla behavior is to allow control characters except for
// NULL which will cause the Clipboard to truncate the string.
tw.Write(" "); // Replace with space
break;
}
if (ch > 0x7F)
{
// Treat as UTF-8 code point
int unicode = 0;
if (ch < 0xE0 && i + 2 < endOffset)
{
unicode |= ((0x1F & ch) << 6);
unicode |= (0x3F & seg.Array[i + 2]);
tw.Write(@"\u{0}?", unicode);
i += 2;
break;
}
else if (ch < 0xF0 && i + 4 < endOffset)
{
unicode |= ((0xF & ch) << 12);
unicode |= ((0x3F & seg.Array[i + 2]) << 6);
unicode |= (0x3F & seg.Array[i + 4]);
tw.Write(@"\u{0}?", unicode);
i += 4;
break;
}
else if (ch < 0xF8 && i + 6 < endOffset)
{
unicode |= ((0x7 & ch) << 18);
unicode |= ((0x3F & seg.Array[i + 2]) << 12);
unicode |= ((0x3F & seg.Array[i + 4]) << 6);
unicode |= (0x3F & seg.Array[i + 6]);
tw.Write(@"\u{0}?", unicode);
i += 6;
break;
}
}
// Regular ANSI char
ms.WriteByte(ch);
break;
}
}
}
tw.AutoFlush = false;
tw.WriteLine("}"); // rtf1
tw.Flush();
// Terminator
ms.WriteByte(0);
// var str = GetString(ms.Pointer, (int)ms.Length, Encoding.ASCII);
if (NativeMethods.SetClipboardData(CF_RTF, ms.Pointer) != IntPtr.Zero)
{
ms.FreeOnDispose = false; // Clipboard will free memory
}
}
}
catch (Exception ex)
{
// Yes, we swallow any exceptions. That may seem like code smell but this matches
// the behavior of the Clipboard class, Windows Forms controls, and native Scintilla.
Debug.Fail(ex.Message, ex.ToString());
}
}
private static unsafe ArraySegment<byte> GetStyledText(Scintilla scintilla, int startBytePos, int endBytePos, bool addLineBreak)
{
Debug.Assert(endBytePos > startBytePos);
// Make sure the range is styled
scintilla.DirectMessage(NativeMethods.SCI_COLOURISE, new IntPtr(startBytePos), new IntPtr(endBytePos));
var byteLength = (endBytePos - startBytePos);
var buffer = new byte[(byteLength * 2) + (addLineBreak ? 4 : 0) + 2];
fixed (byte* bp = buffer)
{
NativeMethods.Sci_TextRange* tr = stackalloc NativeMethods.Sci_TextRange[1];
tr->chrg.cpMin = startBytePos;
tr->chrg.cpMax = endBytePos;
tr->lpstrText = new IntPtr(bp);
scintilla.DirectMessage(NativeMethods.SCI_GETSTYLEDTEXT, IntPtr.Zero, new IntPtr(tr));
byteLength *= 2;
}
// Add a line break?
// We do this when this range is part of a rectangular selection.
if (addLineBreak)
{
var style = buffer[byteLength - 1];
buffer[byteLength++] = (byte)'\r';
buffer[byteLength++] = style;
buffer[byteLength++] = (byte)'\n';
buffer[byteLength++] = style;
// Fix-up the NULL terminator just in case
buffer[byteLength] = 0;
buffer[byteLength + 1] = 0;
}
return new ArraySegment<byte>(buffer, 0, byteLength);
}
public static string GetHtml(Scintilla scintilla, int startBytePos, int endBytePos)
{
// If we ever allow more than UTF-8, this will have to be revisited
Debug.Assert(scintilla.DirectMessage(NativeMethods.SCI_GETCODEPAGE).ToInt32() == NativeMethods.SC_CP_UTF8);
if (startBytePos == endBytePos)
return string.Empty;
StyleData[] styles = null;
List<ArraySegment<byte>> styledSegments = GetStyledSegments(scintilla, false, false, startBytePos, endBytePos, out styles);
using (var ms = new NativeMemoryStream(styledSegments.Sum(s => s.Count))) // Hint
using (var sw = new StreamWriter(ms, new UTF8Encoding(false)))
{
// Write the styles
sw.WriteLine(@"<style type=""text/css"" scoped="""">");
sw.Write("div#segments {");
sw.Write(" float: left;");
sw.Write(" white-space: pre;");
sw.Write(" line-height: {0}px;", scintilla.DirectMessage(NativeMethods.SCI_TEXTHEIGHT, new IntPtr(0)).ToInt32());
sw.Write(" background-color: #{0:X2}{1:X2}{2:X2};", (styles[Style.Default].BackColor >> 0) & 0xFF, (styles[Style.Default].BackColor >> 8) & 0xFF, (styles[Style.Default].BackColor >> 16) & 0xFF);
sw.WriteLine(" }");
for (int i = 0; i < styles.Length; i++)
{
if (!styles[i].Used)
continue;
sw.Write("span.s{0} {{", i);
sw.Write(@" font-family: ""{0}"";", styles[i].FontName);
sw.Write(" font-size: {0}pt;", styles[i].SizeF);
sw.Write(" font-weight: {0};", styles[i].Weight);
if (styles[i].Italic != 0)
sw.Write(" font-style: italic;");
if (styles[i].Underline != 0)
sw.Write(" text-decoration: underline;");
sw.Write(" background-color: #{0:X2}{1:X2}{2:X2};", (styles[i].BackColor >> 0) & 0xFF, (styles[i].BackColor >> 8) & 0xFF, (styles[i].BackColor >> 16) & 0xFF);
sw.Write(" color: #{0:X2}{1:X2}{2:X2};", (styles[i].ForeColor >> 0) & 0xFF, (styles[i].ForeColor >> 8) & 0xFF, (styles[i].ForeColor >> 16) & 0xFF);
switch ((StyleCase)styles[i].Case)
{
case StyleCase.Upper:
sw.Write(" text-transform: uppercase;");
break;
case StyleCase.Lower:
sw.Write(" text-transform: lowercase;");
break;
}
if (styles[i].Visible == 0)
sw.Write(" visibility: hidden;");
sw.WriteLine(" }");
}
sw.WriteLine("</style>");
var unicodeLineEndings = ((scintilla.DirectMessage(NativeMethods.SCI_GETLINEENDTYPESACTIVE).ToInt32() & NativeMethods.SC_LINE_END_TYPE_UNICODE) > 0);
var tabSize = scintilla.DirectMessage(NativeMethods.SCI_GETTABWIDTH).ToInt32();
var tab = new string(' ', tabSize);
var lastStyle = Style.Default;
// Write the styled text
sw.Write(@"<div id=""segments""><span class=""s{0}"">", Style.Default);
sw.Flush();
sw.AutoFlush = true;
foreach (var seg in styledSegments)
{
var endOffset = seg.Offset + seg.Count;
for (int i = seg.Offset; i < endOffset; i += 2)
{
var ch = seg.Array[i];
var style = seg.Array[i + 1];
if (lastStyle != style)
{
sw.Write(@"</span><span class=""s{0}"">", style);
lastStyle = style;
}
switch (ch)
{
case (byte)'<':
sw.Write("<");
break;
case (byte)'>':
sw.Write(">");
break;
case (byte)'&':
sw.Write("&");
break;
case (byte)'\t':
sw.Write(tab);
break;
case (byte)'\r':
if (i + 2 < endOffset)
{
if (seg.Array[i + 2] == (byte)'\n')
i += 2;
}
// Either way, this is a line break
goto case (byte)'\n';
case 0xC2:
if (unicodeLineEndings && i + 2 < endOffset)
{
if (seg.Array[i + 2] == 0x85) // NEL \u0085
{
i += 2;
goto case (byte)'\n';
}
}
// Not a Unicode line break
goto default;
case 0xE2:
if (unicodeLineEndings && i + 4 < endOffset)
{
if (seg.Array[i + 2] == 0x80 && seg.Array[i + 4] == 0xA8) // LS \u2028
{
i += 4;
goto case (byte)'\n';
}
else if (seg.Array[i + 2] == 0x80 && seg.Array[i + 4] == 0xA9) // PS \u2029
{
i += 4;
goto case (byte)'\n';
}
}
// Not a Unicode line break
goto default;
case (byte)'\n':
// All your line breaks are belong to us
sw.Write("\r\n");
break;
default:
if (ch == 0)
{
// Replace NUL with space
sw.Write(" ");
break;
}
ms.WriteByte(ch);
break;
}
}
}
sw.AutoFlush = false;
sw.WriteLine("</span></div>");
sw.Flush();
return GetString(ms.Pointer, (int)ms.Length, Encoding.UTF8);
}
}
/// <summary>
/// Expands any parent folds to ensure the line is visible.
/// </summary>
public void EnsureVisible()
{
scintilla.DirectMessage(NativeMethods.SCI_ENSUREVISIBLE, new IntPtr(Index));
}
public static void Copy(Scintilla scintilla, CopyFormat format, bool useSelection, bool allowLine, int startBytePos, int endBytePos)
{
// Plain text
if ((format & CopyFormat.Text) > 0)
{
if (useSelection)
{
if (allowLine)
{
scintilla.DirectMessage(NativeMethods.SCI_COPYALLOWLINE);
}
else
{
scintilla.DirectMessage(NativeMethods.SCI_COPY);
}
}
else
{
scintilla.DirectMessage(NativeMethods.SCI_COPYRANGE, new IntPtr(startBytePos), new IntPtr(endBytePos));
}
}
// RTF and/or HTML
if ((format & (CopyFormat.Rtf | CopyFormat.Html)) > 0)
{
// If we ever allow more than UTF-8, this will have to be revisited
Debug.Assert(scintilla.DirectMessage(NativeMethods.SCI_GETCODEPAGE).ToInt32() == NativeMethods.SC_CP_UTF8);
if (!registeredFormats)
{
// Register non-standard clipboard formats.
// Scintilla -> ScintillaWin.cxx
// NppExport -> HTMLExporter.h
// NppExport -> RTFExporter.h
CF_LINESELECT = NativeMethods.RegisterClipboardFormat("MSDEVLineSelect");
CF_VSLINETAG = NativeMethods.RegisterClipboardFormat("VisualStudioEditorOperationsLineCutCopyClipboardTag");
CF_HTML = NativeMethods.RegisterClipboardFormat("HTML Format");
CF_RTF = NativeMethods.RegisterClipboardFormat("Rich Text Format");
registeredFormats = true;
}
var lineCopy = false;
StyleData[] styles = null;
List <ArraySegment <byte> > styledSegments = null;
if (useSelection)
{
var selIsEmpty = scintilla.DirectMessage(NativeMethods.SCI_GETSELECTIONEMPTY) != IntPtr.Zero;
if (selIsEmpty)
{
if (allowLine)
{
// Get the current line
styledSegments = GetStyledSegments(scintilla, false, true, 0, 0, out styles);
lineCopy = true;
}
}
else
{
// Get every selection
styledSegments = GetStyledSegments(scintilla, true, false, 0, 0, out styles);
}
}
else if (startBytePos != endBytePos)
{
// User-specified range
styledSegments = GetStyledSegments(scintilla, false, false, startBytePos, endBytePos, out styles);
}
// If we have segments and can open the clipboard
if (styledSegments != null && styledSegments.Count > 0 && NativeMethods.OpenClipboard(scintilla.Handle))
{
if ((format & CopyFormat.Text) == 0)
{
// Do the things default (plain text) processing would normally give us
NativeMethods.EmptyClipboard();
if (lineCopy)
{
// Clipboard tags
NativeMethods.SetClipboardData(CF_LINESELECT, IntPtr.Zero);
NativeMethods.SetClipboardData(CF_VSLINETAG, IntPtr.Zero);
}
}
// RTF
if ((format & CopyFormat.Rtf) > 0)
{
CopyRtf(scintilla, styles, styledSegments);
}
// HTML
if ((format & CopyFormat.Html) > 0)
{
CopyHtml(scintilla, styles, styledSegments);
}
NativeMethods.CloseClipboard();
}
}
}
public void Copy(int startPosition, int endPosition)
{
Scintilla.DirectMessage(NativeMethods.SCI_COPYRANGE, new IntPtr(startPosition), new IntPtr(endPosition));
}
/// <summary>
/// Navigates the caret to the start of the line.
/// </summary>
/// <remarks>Any selection is discarded.</remarks>
public void Goto()
{
scintilla.DirectMessage(NativeMethods.SCI_GOTOLINE, new IntPtr(Index));
}
public void Paste()
{
Scintilla.DirectMessage(NativeMethods.SCI_PASTE, IntPtr.Zero, IntPtr.Zero);
}
public void Join(int startLine, int endLine)
{
NativeScintilla.SetTargetStart(startLine);
NativeScintilla.SetTargetEnd(endLine);
Scintilla.DirectMessage(NativeMethods.SCI_LINESJOIN, IntPtr.Zero, IntPtr.Zero);
}
