static void NextWord (TextEditorData data, bool subword)
{
int oldLine = data.Caret.Line;
int offset = subword? data.FindNextSubwordOffset (data.Caret.Offset) : data.FindNextWordOffset (data.Caret.Offset);
if (data.Caret.Offset != offset && data.CanEdit (oldLine) && data.CanEdit (data.Caret.Line)) {
data.Remove (data.Caret.Offset, offset - data.Caret.Offset);
data.Document.CommitLineToEndUpdate (data.Caret.Line);
}
}
static void NextWord (TextEditorData data, bool subword)
{
int oldLine = data.Caret.Line;
int caretOffset = data.Caret.Offset;
int offset = subword? data.FindNextSubwordOffset (caretOffset) : data.FindNextWordOffset (caretOffset);
if (caretOffset != offset && data.CanEdit (oldLine) && data.CanEdit (data.Caret.Line)) {
data.Remove (caretOffset, offset - caretOffset);
}
}
static void PreviousWord (TextEditorData data, bool subword)
{
int oldLine = data.Caret.Line;
int offset = subword? data.FindPrevSubwordOffset (data.Caret.Offset) : data.FindPrevWordOffset (data.Caret.Offset);
if (data.Caret.Offset != offset && data.CanEdit (oldLine) && data.CanEdit (data.Caret.Line)) {
data.Remove (offset, data.Caret.Offset - offset);
data.Caret.Offset = offset;
if (oldLine != data.Caret.Line)
data.Document.CommitLineToEndUpdate (data.Caret.Line);
}
}
static void NextWord(TextEditorData data, bool subword)
{
int oldLine = data.Caret.Line;
int caretOffset = data.Caret.Offset;
int offset = subword? data.FindNextSubwordOffset(caretOffset) : data.FindNextWordOffset(caretOffset);
if (caretOffset != offset && data.CanEdit(oldLine) && data.CanEdit(data.Caret.Line))
{
data.Remove(caretOffset, offset - caretOffset);
}
}
static void NextWord(TextEditorData data, bool subword)
{
int oldLine = data.Caret.Line;
int offset = subword? data.FindNextSubwordOffset(data.Caret.Offset) : data.FindNextWordOffset(data.Caret.Offset);
if (data.Caret.Offset != offset && data.CanEdit(oldLine) && data.CanEdit(data.Caret.Line))
{
data.Remove(data.Caret.Offset, offset - data.Caret.Offset);
data.Document.CommitLineToEndUpdate(data.Caret.Line);
}
}
static void PreviousWord (TextEditorData data, bool subword)
{
using (var undo = data.OpenUndoGroup ()) {
int oldLine = data.Caret.Line;
int caretOffset = data.Caret.Offset;
int offset = subword ? data.FindPrevSubwordOffset (caretOffset) : data.FindPrevWordOffset (caretOffset);
if (caretOffset != offset && data.CanEdit (oldLine) && data.CanEdit (data.Caret.Line)) {
data.Remove (offset, caretOffset - offset);
}
}
}
static void PreviousWord(TextEditorData data, bool subword)
{
using (var undo = data.OpenUndoGroup()) {
int oldLine = data.Caret.Line;
int caretOffset = data.Caret.Offset;
int offset = subword ? data.FindPrevSubwordOffset(caretOffset) : data.FindPrevWordOffset(caretOffset);
if (caretOffset != offset && data.CanEdit(oldLine) && data.CanEdit(data.Caret.Line))
{
data.Remove(offset, caretOffset - offset);
}
}
}
static void PreviousWord(TextEditorData data, bool subword)
{
int oldLine = data.Caret.Line;
int offset = subword? data.FindPrevSubwordOffset(data.Caret.Offset) : data.FindPrevWordOffset(data.Caret.Offset);
if (data.Caret.Offset != offset && data.CanEdit(oldLine) && data.CanEdit(data.Caret.Line))
{
data.Remove(offset, data.Caret.Offset - offset);
data.Caret.Offset = offset;
if (oldLine != data.Caret.Line)
{
data.Document.CommitLineToEndUpdate(data.Caret.Line);
}
}
}
public static void CaretLineToEnd(TextEditorData data)
{
if (!data.CanEdit(data.Caret.Line))
{
return;
}
var line = data.Document.GetLine(data.Caret.Line);
using (var undo = data.OpenUndoGroup()) {
data.EnsureCaretIsNotVirtual();
int physColumn = data.Caret.Column - 1;
if (physColumn == line.Length)
{
// Nothing after the cursor, delete the end-of-line sequence
data.Remove(line.Offset + physColumn, line.LengthIncludingDelimiter - physColumn);
}
else
{
// Delete from cursor position to the end of the line
var end = GetEndOfLineOffset(data, data.Caret.Location, false);
data.Remove(line.Offset + physColumn, end - (line.Offset + physColumn));
}
}
data.Document.CommitLineUpdate(data.Caret.Line);
}
public static void CaretLine(TextEditorData data)
{
if (data.Document.LineCount <= 1 || !data.CanEdit(data.Caret.Line))
{
return;
}
LineSegment line = data.Document.GetLine(data.Caret.Line);
data.Remove(line.Offset, line.Length);
data.Document.CommitLineToEndUpdate(data.Caret.Line);
data.Caret.CheckCaretPosition();
}
public static void CaretLine(TextEditorData data)
{
if (data.Document.LineCount <= 1 || !data.CanEdit(data.Caret.Line))
{
return;
}
var start = GetStartOfLineOffset(data, data.Caret.Location);
var end = GetEndOfLineOffset(data, data.Caret.Location);
data.Remove(start, end - start);
data.Caret.Column = DocumentLocation.MinColumn;
}
public static void CaretLineToStart(TextEditorData data)
{
if (!data.CanEdit(data.Caret.Line))
{
return;
}
var line = data.Document.GetLine(data.Caret.Line);
using (var undo = data.OpenUndoGroup()) {
data.EnsureCaretIsNotVirtual();
int physColumn = data.Caret.Column - 1;
var startLine = GetStartOfLineOffset(data, data.Caret.Location);
data.Remove(startLine, (line.Offset + physColumn) - startLine);
}
data.Document.CommitLineUpdate(data.Caret.Line);
}
public static void CaretLineToEnd(TextEditorData data)
{
if (!data.CanEdit(data.Caret.Line))
{
return;
}
LineSegment line = data.Document.GetLine(data.Caret.Line);
if (data.Caret.Column == line.EditableLength)
{
// Nothing after the cursor, delete the end-of-line sequence
data.Remove(line.Offset + data.Caret.Column, line.Length - data.Caret.Column);
}
else
{
// Delete from cursor position to the end of the line
data.Remove(line.Offset + data.Caret.Column, line.EditableLength - data.Caret.Column);
}
data.Document.CommitLineUpdate(data.Caret.Line);
}
public static void CaretLine(TextEditorData data)
{
if (data.Document.LineCount <= 1 || !data.CanEdit(data.Caret.Line))
{
return;
}
using (var undo = data.OpenUndoGroup()) {
if (data.IsSomethingSelected)
{
var startLine = data.GetLine(data.MainSelection.Start.Line);
var endLine = data.GetLine(data.MainSelection.End.Line);
data.Remove(startLine.Offset, endLine.EndOffsetIncludingDelimiter - startLine.Offset);
return;
}
var start = GetStartOfLineOffset(data, data.Caret.Location);
var end = GetEndOfLineOffset(data, data.Caret.Location);
data.Remove(start, end - start);
data.Caret.Column = DocumentLocation.MinColumn;
}
}
static int PasteFrom(Clipboard clipboard, TextEditorData data, bool preserveSelection, int insertionOffset, bool preserveState)
{
int result = -1;
if (!data.CanEdit(data.Document.OffsetToLineNumber(insertionOffset)))
{
return(result);
}
if (clipboard.WaitIsTargetAvailable(CopyOperation.MD_ATOM))
{
clipboard.RequestContents(CopyOperation.MD_ATOM, delegate(Clipboard clp, SelectionData selectionData) {
if (selectionData.Length > 0)
{
byte[] selBytes = selectionData.Data;
string text = System.Text.Encoding.UTF8.GetString(selBytes, 1, selBytes.Length - 1);
bool pasteBlock = (selBytes [0] & 1) == 1;
bool pasteLine = (selBytes [0] & 2) == 2;
var clearSelection = data.IsSomethingSelected ? data.MainSelection.SelectionMode != SelectionMode.Block : true;
using (var undo = data.OpenUndoGroup()) {
if (pasteBlock)
{
data.Caret.PreserveSelection = true;
if (preserveSelection && data.IsSomethingSelected)
{
data.DeleteSelectedText(clearSelection);
}
string[] lines = text.Split('\r');
int lineNr = data.Document.OffsetToLineNumber(insertionOffset);
int col = insertionOffset - data.Document.GetLine(lineNr).Offset;
int visCol = data.Document.GetLine(lineNr).GetVisualColumn(data, col);
DocumentLine curLine;
int lineCol = col;
result = 0;
for (int i = 0; i < lines.Length; i++)
{
while (data.Document.LineCount <= lineNr + i)
{
data.Insert(data.Document.TextLength, Environment.NewLine);
result += Environment.NewLine.Length;
}
curLine = data.Document.GetLine(lineNr + i);
if (lines [i].Length > 0)
{
lineCol = curLine.GetLogicalColumn(data, visCol);
if (curLine.Length + 1 < lineCol)
{
result += lineCol - curLine.Length;
data.Insert(curLine.Offset + curLine.Length, new string (' ', lineCol - curLine.Length));
}
data.Insert(curLine.Offset + lineCol, lines [i]);
result += lines [i].Length;
}
if (!preserveState)
{
data.Caret.Offset = curLine.Offset + lineCol + lines [i].Length;
}
}
if (!preserveState)
{
data.ClearSelection();
}
data.Caret.PreserveSelection = false;
}
else if (pasteLine)
{
data.Caret.PreserveSelection = true;
if (preserveSelection && data.IsSomethingSelected)
{
data.DeleteSelectedText(clearSelection);
}
result = text.Length;
DocumentLine curLine = data.Document.GetLine(data.Caret.Line);
data.Insert(curLine.Offset, text + data.EolMarker);
if (!preserveState)
{
data.ClearSelection();
}
data.Caret.PreserveSelection = false;
}
else
{
PastePlainText(data, text);
}
}
}
});
// we got MD_ATOM text - no need to request text. (otherwise buffer may get copied twice).
return(result);
}
if (result < 0 && clipboard.WaitIsTextAvailable())
{
clipboard.RequestText(delegate(Clipboard clp, string text) {
if (string.IsNullOrEmpty(text))
{
return;
}
using (var undo = data.OpenUndoGroup()) {
PastePlainText(data, text);
}
});
}
return(result);
}
static int PasteFrom (Clipboard clipboard, TextEditorData data, bool preserveSelection, int insertionOffset, bool preserveState)
{
int result = -1;
if (!data.CanEdit (data.Document.OffsetToLineNumber (insertionOffset)))
return result;
clipboard.RequestContents (CopyOperation.MD_ATOM, delegate(Clipboard clp, SelectionData selectionData) {
if (selectionData.Length > 0) {
byte[] selBytes = selectionData.Data;
string text = System.Text.Encoding.UTF8.GetString (selBytes, 1, selBytes.Length - 1);
bool pasteBlock = (selBytes[0] & 1) == 1;
bool pasteLine = (selBytes[0] & 2) == 2;
if (!pasteBlock && !pasteLine)
return;
data.Document.BeginAtomicUndo ();
if (preserveSelection && data.IsSomethingSelected)
data.DeleteSelectedText ();
data.Caret.PreserveSelection = true;
if (pasteBlock) {
string[] lines = text.Split ('\r');
int lineNr = data.Document.OffsetToLineNumber (insertionOffset);
int col = insertionOffset - data.Document.GetLine (lineNr).Offset;
int visCol = data.Document.GetLine (lineNr).GetVisualColumn (data, col);
LineSegment curLine;
int lineCol = col;
result = 0;
for (int i = 0; i < lines.Length; i++) {
while (data.Document.LineCount <= lineNr + i) {
data.Insert (data.Document.Length, Environment.NewLine);
result += Environment.NewLine.Length;
}
curLine = data.Document.GetLine (lineNr + i);
if (lines[i].Length > 0) {
lineCol = curLine.GetLogicalColumn (data, visCol);
if (curLine.EditableLength + 1 < lineCol) {
result += lineCol - curLine.EditableLength;
data.Insert (curLine.Offset + curLine.EditableLength, new string (' ', lineCol - curLine.EditableLength));
}
data.Insert (curLine.Offset + lineCol, lines[i]);
result += lines[i].Length;
}
if (!preserveState)
data.Caret.Offset = curLine.Offset + lineCol + lines[i].Length;
}
} else if (pasteLine) {
result += text.Length;
LineSegment curLine = data.Document.GetLine (data.Caret.Line);
data.Insert (curLine.Offset, text + data.EolMarker);
if (!preserveState)
data.Caret.Offset += text.Length + data.EolMarker.Length;
}
/* data.MainSelection = new Selection (data.Document.OffsetToLocation (insertionOffset),
data.Caret.Location,
lines.Length > 1 ? SelectionMode.Block : SelectionMode.Normal);*/
if (!preserveState)
data.ClearSelection ();
data.Caret.PreserveSelection = false;
data.Document.EndAtomicUndo ();
}
});
if (result < 0) {
clipboard.WaitIsTextAvailable ();
clipboard.RequestText (delegate(Clipboard clp, string text) {
if (string.IsNullOrEmpty (text))
return;
data.Document.BeginAtomicUndo ();
int caretPos = data.Caret.Offset;
if (data.IsSomethingSelected && data.MainSelection.SelectionMode == SelectionMode.Block) {
data.Caret.PreserveSelection = true;
if (!data.MainSelection.IsDirty) {
data.DeleteSelectedText (false);
data.MainSelection.IsDirty = true;
}
int textLength = 0;
int column = data.Caret.Column;
int minLine = data.MainSelection.MinLine;
int maxLine = data.MainSelection.MaxLine;
for (int lineNumber = minLine; lineNumber <= maxLine; lineNumber++) {
int offset = data.Document.GetLine (lineNumber).Offset + column;
textLength = data.Insert (offset, text);
data.PasteText (offset, text);
}
data.Caret.Offset += textLength;
data.MainSelection.Anchor = new DocumentLocation (data.Caret.Line == minLine ? maxLine : minLine, data.Caret.Column - textLength);
data.MainSelection.Lead = new DocumentLocation (data.Caret.Line, data.Caret.Column);
data.Caret.PreserveSelection = false;
data.Document.CommitMultipleLineUpdate (data.MainSelection.MinLine, data.MainSelection.MaxLine);
} else {
ISegment selection = data.SelectionRange;
if (preserveSelection && data.IsSomethingSelected)
data.DeleteSelectedText ();
data.Caret.PreserveSelection = true;
//int oldLine = data.Caret.Line;
int textLength = data.Insert (insertionOffset, text);
result = textLength;
if (data.IsSomethingSelected && data.SelectionRange.Offset >= insertionOffset)
data.SelectionRange.Offset += textLength;
if (data.IsSomethingSelected && data.MainSelection.GetAnchorOffset (data) >= insertionOffset)
data.MainSelection.Anchor = data.Document.OffsetToLocation (data.MainSelection.GetAnchorOffset (data) + textLength);
data.Caret.PreserveSelection = false;
if (!preserveState) {
data.Caret.Offset += textLength;
} else {
if (caretPos >= insertionOffset)
data.Caret.Offset += textLength;
if (selection != null) {
int offset = selection.Offset;
if (offset >= insertionOffset)
offset += textLength;
data.SelectionRange = new Segment (offset, selection.Length);
}
}
data.PasteText (insertionOffset, text);
}
data.Document.EndAtomicUndo ();
});
}
return result;
}
static int PasteFrom(Clipboard clipboard, TextEditorData data, bool preserveSelection, int insertionOffset, bool preserveState)
{
int result = -1;
if (!data.CanEdit(data.Document.OffsetToLineNumber(insertionOffset)))
{
return(result);
}
if (clipboard.WaitIsTargetAvailable(CopyOperation.MD_ATOM))
{
clipboard.RequestContents(CopyOperation.MD_ATOM, (ClipboardReceivedFunc) delegate(Clipboard clp, SelectionData selectionData) {
if (selectionData.Length > 0)
{
byte[] selBytes = selectionData.Data;
var upperBound = System.Math.Max(0, System.Math.Min(selBytes [1], selBytes.Length - 2));
byte[] copyData = new byte[upperBound];
Array.Copy(selBytes, 2, copyData, 0, copyData.Length);
var rawTextOffset = 1 + 1 + copyData.Length;
string text = Encoding.UTF8.GetString(selBytes, rawTextOffset, selBytes.Length - rawTextOffset);
bool pasteBlock = (selBytes [0] & 1) == 1;
bool pasteLine = (selBytes [0] & 2) == 2;
if (pasteBlock)
{
using (var undo = data.OpenUndoGroup()) {
var version = data.Document.Version;
if (!preserveSelection)
{
data.DeleteSelectedText(!data.IsSomethingSelected || data.MainSelection.SelectionMode != MonoDevelop.Ide.Editor.SelectionMode.Block);
}
int startLine = data.Caret.Line;
data.EnsureCaretIsNotVirtual();
insertionOffset = version.MoveOffsetTo(data.Document.Version, insertionOffset);
data.Caret.PreserveSelection = true;
var lines = new List <string> ();
int offset = 0;
while (true)
{
var delimiter = LineSplitter.NextDelimiter(text, offset);
if (delimiter.IsInvalid)
{
break;
}
int delimiterEndOffset = delimiter.EndOffset;
lines.Add(text.Substring(offset, delimiter.Offset - offset));
offset = delimiterEndOffset;
}
if (offset < text.Length)
{
lines.Add(text.Substring(offset, text.Length - offset));
}
int lineNr = data.Document.OffsetToLineNumber(insertionOffset);
int col = insertionOffset - data.Document.GetLine(lineNr).Offset;
int visCol = data.Document.GetLine(lineNr).GetVisualColumn(data, col);
DocumentLine curLine;
int lineCol = col;
result = 0;
for (int i = 0; i < lines.Count; i++)
{
while (data.Document.LineCount <= lineNr + i)
{
data.Insert((int)data.Document.Length, Environment.NewLine);
result += Environment.NewLine.Length;
}
curLine = data.Document.GetLine(lineNr + i);
if (lines [i].Length > 0)
{
lineCol = curLine.GetLogicalColumn(data, visCol);
if (curLine.Length + 1 < lineCol)
{
result += lineCol - curLine.Length;
data.Insert(curLine.Offset + curLine.Length, new string (' ', lineCol - curLine.Length));
}
data.Insert(curLine.Offset + lineCol, lines [i]);
result += lines [i].Length;
}
if (!preserveState)
{
data.Caret.Offset = curLine.Offset + lineCol + lines [i].Length;
}
}
if (!preserveState)
{
data.ClearSelection();
}
data.FixVirtualIndentation(startLine);
data.Caret.PreserveSelection = false;
}
}
else if (pasteLine)
{
using (var undo = data.OpenUndoGroup()) {
if (!preserveSelection)
{
data.DeleteSelectedText(!data.IsSomethingSelected || data.MainSelection.SelectionMode != MonoDevelop.Ide.Editor.SelectionMode.Block);
}
data.EnsureCaretIsNotVirtual();
data.Caret.PreserveSelection = true;
result = text.Length;
DocumentLine curLine = data.Document.GetLine(data.Caret.Line);
result = PastePlainText(data, curLine.Offset, text + data.EolMarker, preserveSelection, copyData);
if (!preserveState)
{
data.ClearSelection();
}
data.Caret.PreserveSelection = false;
data.FixVirtualIndentation(curLine.LineNumber);
}
}
else
{
result = PastePlainText(data, insertionOffset, text, preserveSelection, copyData);
}
}
});
// we got MD_ATOM text - no need to request text. (otherwise buffer may get copied twice).
return(result);
}
if (result < 0 && clipboard.WaitIsTextAvailable())
{
clipboard.RequestText(delegate(Clipboard clp, string text) {
if (string.IsNullOrEmpty(text))
{
return;
}
result = PastePlainText(data, insertionOffset, text, preserveSelection);
});
}
return(result);
}
static int PasteFrom(TextEditorData data, bool preserveSelection, int insertionOffset, bool preserveState)
{
int result = -1;
if (!data.CanEdit(data.Document.OffsetToLineNumber(insertionOffset)))
{
return(result);
}
/*var selectionData = Clipboard.GetData<SelectionData> ();
* Clipboard.BeginGetText( delegate(Clipboard clp, SelectionData selectionData) {
* if (selectionData.Length > 0) {
* byte[] selBytes = selectionData.Data;
* byte[] copyData = new byte[selBytes[1]];
* Array.Copy (selBytes, 2, copyData, 0, copyData.Length);
* var rawTextOffset = 1 + 1 + copyData.Length;
* string text = System.Text.Encoding.UTF8.GetString (selBytes, rawTextOffset, selBytes.Length - rawTextOffset);
* bool pasteBlock = (selBytes [0] & 1) == 1;
* bool pasteLine = (selBytes [0] & 2) == 2;
* if (pasteBlock) {
* using (var undo = data.OpenUndoGroup ()) {
* var version = data.Document.Version;
* if (!preserveSelection)
* data.DeleteSelectedText (!data.IsSomethingSelected || data.MainSelection.SelectionMode != SelectionMode.Block);
* data.EnsureCaretIsNotVirtual ();
* insertionOffset = version.MoveOffsetTo (data.Document.Version, insertionOffset);
*
* data.Caret.PreserveSelection = true;
* var lines = new List<string> ();
* int offset = 0;
* while (true) {
* var delimiter = LineSplitter.NextDelimiter (text, offset);
* if (delimiter.IsInvalid)
* break;
*
* int delimiterEndOffset = delimiter.Offset + delimiter.Length;
* lines.Add (text.Substring (offset, delimiter.Offset - offset));
* offset = delimiterEndOffset;
* }
* if (offset < text.Length)
* lines.Add (text.Substring (offset, text.Length - offset));
*
* int lineNr = data.Document.OffsetToLineNumber (insertionOffset);
* int col = insertionOffset - data.Document.GetLine (lineNr).Offset;
* int visCol = data.Document.GetLine (lineNr).GetVisualColumn (data, col);
* DocumentLine curLine;
* int lineCol = col;
* result = 0;
* for (int i = 0; i < lines.Count; i++) {
* while (data.Document.LineCount <= lineNr + i) {
* data.Insert (data.Document.TextLength, Environment.NewLine);
* result += Environment.NewLine.Length;
* }
* curLine = data.Document.GetLine (lineNr + i);
* if (lines [i].Length > 0) {
* lineCol = curLine.GetLogicalColumn (data, visCol);
* if (curLine.Length + 1 < lineCol) {
* result += lineCol - curLine.Length;
* data.Insert (curLine.Offset + curLine.Length, new string (' ', lineCol - curLine.Length));
* }
* data.Insert (curLine.Offset + lineCol, lines [i]);
* result += lines [i].Length;
* }
* if (!preserveState)
* data.Caret.Offset = curLine.Offset + lineCol + lines [i].Length;
* }
* if (!preserveState)
* data.ClearSelection ();
* data.Caret.PreserveSelection = false;
* }
* } else if (pasteLine) {
* using (var undo = data.OpenUndoGroup ()) {
* if (!preserveSelection)
* data.DeleteSelectedText (!data.IsSomethingSelected || data.MainSelection.SelectionMode != SelectionMode.Block);
* data.EnsureCaretIsNotVirtual ();
*
* data.Caret.PreserveSelection = true;
* result = text.Length;
* DocumentLine curLine = data.Document.GetLine (data.Caret.Line);
*
* result = PastePlainText (data, curLine.Offset, text + data.EolMarker, preserveSelection, copyData);
* if (!preserveState)
* data.ClearSelection ();
* data.Caret.PreserveSelection = false;
* }
* } else {
* result = PastePlainText (data, insertionOffset, text, preserveSelection, copyData);
* }
* }
* });
* // we got MD_ATOM text - no need to request text. (otherwise buffer may get copied twice).
* return result;
* }
*/
if (result < 0 && Clipboard.ContainsText())
{
//TODO: Shall this action be done asynchronously?
var text = Clipboard.GetText();
if (string.IsNullOrEmpty(text))
{
return(-1);
}
result = PastePlainText(data, insertionOffset, text, preserveSelection);
}
return(result);
}
static int PasteFrom(Clipboard clipboard, TextEditorData data, bool preserveSelection, int insertionOffset, bool preserveState)
{
int result = -1;
if (!data.CanEdit(data.Document.OffsetToLineNumber(insertionOffset)))
{
return(result);
}
if (clipboard.WaitIsTargetAvailable(CopyOperation.MD_ATOM))
{
clipboard.RequestContents(CopyOperation.MD_ATOM, delegate(Clipboard clp, SelectionData selectionData) {
if (selectionData.Length > 0)
{
byte[] selBytes = selectionData.Data;
string text = System.Text.Encoding.UTF8.GetString(selBytes, 1, selBytes.Length - 1);
bool pasteBlock = (selBytes [0] & 1) == 1;
bool pasteLine = (selBytes [0] & 2) == 2;
if (!pasteBlock && !pasteLine)
{
return;
}
data.Document.BeginAtomicUndo();
if (preserveSelection && data.IsSomethingSelected)
{
data.DeleteSelectedText();
}
data.Caret.PreserveSelection = true;
if (pasteBlock)
{
string[] lines = text.Split('\r');
int lineNr = data.Document.OffsetToLineNumber(insertionOffset);
int col = insertionOffset - data.Document.GetLine(lineNr).Offset;
int visCol = data.Document.GetLine(lineNr).GetVisualColumn(data, col);
LineSegment curLine;
int lineCol = col;
result = 0;
for (int i = 0; i < lines.Length; i++)
{
while (data.Document.LineCount <= lineNr + i)
{
data.Insert(data.Document.Length, Environment.NewLine);
result += Environment.NewLine.Length;
}
curLine = data.Document.GetLine(lineNr + i);
if (lines [i].Length > 0)
{
lineCol = curLine.GetLogicalColumn(data, visCol);
if (curLine.EditableLength + 1 < lineCol)
{
result += lineCol - curLine.EditableLength;
data.Insert(curLine.Offset + curLine.EditableLength, new string (' ', lineCol - curLine.EditableLength));
}
data.Insert(curLine.Offset + lineCol, lines [i]);
result += lines [i].Length;
}
if (!preserveState)
{
data.Caret.Offset = curLine.Offset + lineCol + lines [i].Length;
}
}
}
else if (pasteLine)
{
result = text.Length;
LineSegment curLine = data.Document.GetLine(data.Caret.Line);
data.Insert(curLine.Offset, text + data.EolMarker);
if (!preserveState)
{
data.Caret.Offset += text.Length + data.EolMarker.Length;
}
}
/* data.MainSelection = new Selection (data.Document.OffsetToLocation (insertionOffset),
* data.Caret.Location,
* lines.Length > 1 ? SelectionMode.Block : SelectionMode.Normal);*/
if (!preserveState)
{
data.ClearSelection();
}
data.Caret.PreserveSelection = false;
data.Document.EndAtomicUndo();
}
});
}
if (result < 0 && clipboard.WaitIsTextAvailable())
{
clipboard.RequestText(delegate(Clipboard clp, string text) {
if (string.IsNullOrEmpty(text))
{
return;
}
data.Document.BeginAtomicUndo();
int caretPos = data.Caret.Offset;
if (data.IsSomethingSelected && data.MainSelection.SelectionMode == SelectionMode.Block)
{
data.Caret.PreserveSelection = true;
data.DeleteSelectedText(false);
int textLength = 0;
int minLine = data.MainSelection.MinLine;
int maxLine = data.MainSelection.MaxLine;
var visualInsertLocation = data.LogicalToVisualLocation(data.Caret.Location);
for (int lineNumber = minLine; lineNumber <= maxLine; lineNumber++)
{
LineSegment lineSegment = data.GetLine(lineNumber);
int insertOffset = lineSegment.GetLogicalColumn(data, visualInsertLocation.Column) - 1;
if (lineSegment.EditableLength < insertOffset)
{
int visualLastColumn = lineSegment.GetVisualColumn(data, lineSegment.EditableLength + 1);
int charsToInsert = visualInsertLocation.Column - visualLastColumn;
int spaceCount = charsToInsert % data.Options.TabSize;
string textToInsert = new string ('\t', (charsToInsert - spaceCount) / data.Options.TabSize) + new string (' ', spaceCount) + text;
insertOffset = lineSegment.EditableLength;
data.Insert(lineSegment.Offset + insertOffset, textToInsert);
data.PasteText(lineSegment.Offset + insertOffset, textToInsert);
}
else
{
textLength = data.Insert(lineSegment.Offset + insertOffset, text);
data.PasteText(lineSegment.Offset + insertOffset, text);
}
}
data.Caret.Offset += textLength;
data.MainSelection.Anchor = new DocumentLocation(System.Math.Max(DocumentLocation.MinLine, data.Caret.Line == minLine ? maxLine : minLine), System.Math.Max(DocumentLocation.MinColumn, data.Caret.Column - textLength));
data.MainSelection.Lead = new DocumentLocation(data.Caret.Line, data.Caret.Column);
data.Caret.PreserveSelection = false;
data.Document.CommitMultipleLineUpdate(data.MainSelection.MinLine, data.MainSelection.MaxLine);
}
else
{
ISegment selection = data.SelectionRange;
if (preserveSelection && data.IsSomethingSelected)
{
data.DeleteSelectedText();
}
data.Caret.PreserveSelection = true;
//int oldLine = data.Caret.Line;
int textLength = data.Insert(insertionOffset, text);
result = textLength;
if (data.IsSomethingSelected && data.SelectionRange.Offset >= insertionOffset)
{
data.SelectionRange.Offset += textLength;
}
if (data.IsSomethingSelected && data.MainSelection.GetAnchorOffset(data) >= insertionOffset)
{
data.MainSelection.Anchor = data.Document.OffsetToLocation(data.MainSelection.GetAnchorOffset(data) + textLength);
}
data.Caret.PreserveSelection = false;
if (!preserveState)
{
data.Caret.Offset += textLength;
}
else
{
if (caretPos >= insertionOffset)
{
data.Caret.Offset += textLength;
}
if (selection != null)
{
int offset = selection.Offset;
if (offset >= insertionOffset)
{
offset += textLength;
}
data.SelectionRange = new Segment(offset, selection.Length);
}
}
data.PasteText(insertionOffset, text);
}
data.Document.EndAtomicUndo();
});
}
return(result);
}
public static void CaretLine (TextEditorData data)
{
if (data.Document.LineCount <= 1 || !data.CanEdit (data.Caret.Line))
return;
LineSegment line = data.Document.GetLine (data.Caret.Line);
data.Remove (line.Offset, line.Length);
data.Document.CommitLineToEndUpdate (data.Caret.Line);
data.Caret.CheckCaretPosition ();
}
public static void CaretLineToEnd (TextEditorData data)
{
if (!data.CanEdit (data.Caret.Line))
return;
var line = data.Document.GetLine (data.Caret.Line);
using (var undo = data.OpenUndoGroup ()) {
data.EnsureCaretIsNotVirtual ();
int physColumn = data.Caret.Column - 1;
if (physColumn == line.Length) {
// Nothing after the cursor, delete the end-of-line sequence
data.Remove (line.Offset + physColumn, line.LengthIncludingDelimiter - physColumn);
} else {
// Delete from cursor position to the end of the line
var end = GetEndOfLineOffset (data, data.Caret.Location, false);
data.Remove (line.Offset + physColumn, end - (line.Offset + physColumn));
}
}
data.Document.CommitLineUpdate (data.Caret.Line);
}
public static void CaretLine (TextEditorData data)
{
if (data.Document.LineCount <= 1 || !data.CanEdit (data.Caret.Line))
return;
var start = GetStartOfLineOffset (data, data.Caret.Location);
var end = GetEndOfLineOffset (data, data.Caret.Location);
data.Remove (start, end - start);
data.Caret.Column = DocumentLocation.MinColumn;
}
public static void CaretLineToStart (TextEditorData data)
{
if (!data.CanEdit (data.Caret.Line))
return;
var line = data.Document.GetLine (data.Caret.Line);
using (var undo = data.OpenUndoGroup ()) {
data.EnsureCaretIsNotVirtual ();
int physColumn = data.Caret.Column - 1;
var startLine = GetStartOfLineOffset (data, data.Caret.Location);
data.Remove (startLine, (line.Offset + physColumn) - startLine);
}
data.Document.CommitLineUpdate (data.Caret.Line);
}
protected void InsertCharacter(uint unicodeKey)
{
if (!textEditorData.CanEdit(Data.Caret.Line))
{
return;
}
HideMouseCursor();
using (var undo = Document.OpenUndoGroup()) {
textEditorData.DeleteSelectedText(textEditorData.IsSomethingSelected ? textEditorData.MainSelection.SelectionMode != SelectionMode.Block : true);
char ch = (char)unicodeKey;
if (!char.IsControl(ch) && textEditorData.CanEdit(Caret.Line))
{
LineSegment line = Document.GetLine(Caret.Line);
if (Caret.IsInInsertMode || Caret.Column >= line.EditableLength + 1)
{
string text = Caret.Column > line.EditableLength + 1 ? textEditorData.GetVirtualSpaces(Caret.Line, Caret.Column) + ch.ToString() : ch.ToString();
if (textEditorData.IsSomethingSelected && textEditorData.MainSelection.SelectionMode == SelectionMode.Block)
{
int length = 0;
var visualInsertLocation = editor.LogicalToVisualLocation(Caret.Location);
for (int lineNumber = textEditorData.MainSelection.MinLine; lineNumber <= textEditorData.MainSelection.MaxLine; lineNumber++)
{
LineSegment lineSegment = textEditorData.GetLine(lineNumber);
int insertOffset = lineSegment.GetLogicalColumn(textEditorData, visualInsertLocation.Column) - 1;
string textToInsert;
if (lineSegment.EditableLength < insertOffset)
{
int visualLastColumn = lineSegment.GetVisualColumn(textEditorData, lineSegment.EditableLength + 1);
int charsToInsert = visualInsertLocation.Column - visualLastColumn;
int spaceCount = charsToInsert % editor.Options.TabSize;
textToInsert = new string ('\t', (charsToInsert - spaceCount) / editor.Options.TabSize) + new string (' ', spaceCount) + text;
insertOffset = lineSegment.EditableLength;
}
else
{
textToInsert = text;
}
length = textEditorData.Insert(lineSegment.Offset + insertOffset, textToInsert);
}
Caret.PreserveSelection = true;
Caret.Column += length - 1;
textEditorData.MainSelection.Lead = new DocumentLocation(textEditorData.MainSelection.Lead.Line, Caret.Column + 1);
textEditorData.MainSelection.Anchor = new DocumentLocation(textEditorData.MainSelection.Anchor.Line, Caret.Column + 1);
Document.CommitMultipleLineUpdate(textEditorData.MainSelection.MinLine, textEditorData.MainSelection.MaxLine);
}
else
{
int length = textEditorData.Insert(Caret.Offset, text);
Caret.Column += length - 1;
}
}
else
{
int length = textEditorData.Replace(Caret.Offset, 1, ch.ToString());
if (length > 1)
{
Caret.Offset += length - 1;
}
}
// That causes unnecessary redraws:
// bool autoScroll = Caret.AutoScrollToCaret;
Caret.Column++;
if (Caret.PreserveSelection)
{
Caret.PreserveSelection = false;
}
// Caret.AutoScrollToCaret = autoScroll;
// if (autoScroll)
// Editor.ScrollToCaret ();
// Document.RequestUpdate (new LineUpdate (Caret.Line));
// Document.CommitDocumentUpdate ();
}
}
Document.OptimizeTypedUndo();
}
public static void CaretLine (TextEditorData data)
{
if (data.Document.LineCount <= 1 || !data.CanEdit (data.Caret.Line))
return;
LineSegment line = data.Document.GetLine (data.Caret.Line);
data.Remove (line.Offset, line.LengthIncludingDelimiter);
data.Caret.Column = DocumentLocation.MinColumn;
}
static int PasteFrom (Clipboard clipboard, TextEditorData data, bool preserveSelection, int insertionOffset, bool preserveState)
{
int result = -1;
if (!data.CanEdit (data.Document.OffsetToLineNumber (insertionOffset)))
return result;
if (clipboard.WaitIsTargetAvailable (CopyOperation.MD_ATOM)) {
clipboard.RequestContents (CopyOperation.MD_ATOM, delegate(Clipboard clp, SelectionData selectionData) {
if (selectionData.Length > 0) {
byte[] selBytes = selectionData.Data;
string text = System.Text.Encoding.UTF8.GetString (selBytes, 1, selBytes.Length - 1);
bool pasteBlock = (selBytes [0] & 1) == 1;
bool pasteLine = (selBytes [0] & 2) == 2;
using (var undo = data.OpenUndoGroup ()) {
if (preserveSelection && data.IsSomethingSelected)
data.DeleteSelectedText ();
data.Caret.PreserveSelection = true;
if (pasteBlock) {
string[] lines = text.Split ('\r');
int lineNr = data.Document.OffsetToLineNumber (insertionOffset);
int col = insertionOffset - data.Document.GetLine (lineNr).Offset;
int visCol = data.Document.GetLine (lineNr).GetVisualColumn (data, col);
DocumentLine curLine;
int lineCol = col;
result = 0;
for (int i = 0; i < lines.Length; i++) {
while (data.Document.LineCount <= lineNr + i) {
data.Insert (data.Document.TextLength, Environment.NewLine);
result += Environment.NewLine.Length;
}
curLine = data.Document.GetLine (lineNr + i);
if (lines [i].Length > 0) {
lineCol = curLine.GetLogicalColumn (data, visCol);
if (curLine.Length + 1 < lineCol) {
result += lineCol - curLine.Length;
data.Insert (curLine.Offset + curLine.Length, new string (' ', lineCol - curLine.Length));
}
data.Insert (curLine.Offset + lineCol, lines [i]);
result += lines [i].Length;
}
if (!preserveState)
data.Caret.Offset = curLine.Offset + lineCol + lines [i].Length;
}
} else if (pasteLine) {
result = text.Length;
DocumentLine curLine = data.Document.GetLine (data.Caret.Line);
data.Insert (curLine.Offset, text + data.EolMarker);
} else {
int offset = data.Caret.Offset;
data.InsertAtCaret (text);
data.PasteText (offset, text, data.Caret.Offset - offset);
}
/* data.MainSelection = new Selection (data.Document.OffsetToLocation (insertionOffset),
data.Caret.Location,
lines.Length > 1 ? SelectionMode.Block : SelectionMode.Normal);*/
if (!preserveState)
data.ClearSelection ();
data.Caret.PreserveSelection = false;
}
}
});
// we got MD_ATOM text - no need to request text. (otherwise buffer may get copied twice).
return result;
}
if (result < 0 && clipboard.WaitIsTextAvailable ()) {
clipboard.RequestText (delegate(Clipboard clp, string text) {
if (string.IsNullOrEmpty (text))
return;
using (var undo = data.OpenUndoGroup ()) {
int caretPos = data.Caret.Offset;
if (data.IsSomethingSelected && data.MainSelection.SelectionMode == SelectionMode.Block) {
data.Caret.PreserveSelection = true;
data.DeleteSelectedText (false);
int textLength = 0;
int minLine = data.MainSelection.MinLine;
int maxLine = data.MainSelection.MaxLine;
var visualInsertLocation = data.LogicalToVisualLocation (data.Caret.Location);
for (int lineNumber = minLine; lineNumber <= maxLine; lineNumber++) {
DocumentLine lineSegment = data.GetLine (lineNumber);
int insertOffset = lineSegment.GetLogicalColumn (data, visualInsertLocation.Column) - 1;
if (lineSegment.Length < insertOffset) {
int visualLastColumn = lineSegment.GetVisualColumn (data, lineSegment.Length + 1);
int charsToInsert = visualInsertLocation.Column - visualLastColumn;
int spaceCount = charsToInsert % data.Options.TabSize;
string textToInsert = new string ('\t', (charsToInsert - spaceCount) / data.Options.TabSize) + new string (' ', spaceCount) + text;
insertOffset = lineSegment.Length;
int insertedChars = data.Insert (lineSegment.Offset + insertOffset, textToInsert);
data.PasteText (lineSegment.Offset + insertOffset, textToInsert, insertedChars);
} else {
textLength = data.Insert (lineSegment.Offset + insertOffset, text);
data.PasteText (lineSegment.Offset + insertOffset, text, textLength);
}
}
data.MainSelection.Anchor = new DocumentLocation (System.Math.Max (DocumentLocation.MinLine, data.Caret.Line == minLine ? maxLine : minLine), System.Math.Max (DocumentLocation.MinColumn, data.Caret.Column - textLength));
data.MainSelection.Lead = new DocumentLocation (data.Caret.Line, data.Caret.Column);
data.Caret.PreserveSelection = false;
data.Document.CommitMultipleLineUpdate (data.MainSelection.MinLine, data.MainSelection.MaxLine);
} else {
TextSegment selection = data.SelectionRange;
if (preserveSelection && data.IsSomethingSelected)
data.DeleteSelectedText ();
data.Caret.PreserveSelection = true;
//int oldLine = data.Caret.Line;
int textLength = data.Insert (insertionOffset, text);
result = textLength;
if (data.IsSomethingSelected && data.SelectionRange.Offset >= insertionOffset)
data.SelectionRange = new TextSegment (data.SelectionRange.Offset + textLength, data.SelectionRange.Length);
if (data.IsSomethingSelected && data.MainSelection.GetAnchorOffset (data) >= insertionOffset)
data.MainSelection.Anchor = data.Document.OffsetToLocation (data.MainSelection.GetAnchorOffset (data) + textLength);
data.Caret.PreserveSelection = false;
if (!preserveState) {
} else {
if (!selection.IsInvalid) {
int offset = selection.Offset;
if (offset >= insertionOffset)
offset += textLength;
data.SelectionRange = new TextSegment (offset, selection.Length);
}
}
data.PasteText (insertionOffset, text, textLength);
}
}
});
}
return result;
}
protected void InsertCharacter(uint unicodeKey)
{
if (!textEditorData.CanEdit(Data.Caret.Line))
{
return;
}
HideMouseCursor();
Document.BeginAtomicUndo();
if (textEditorData.IsSomethingSelected && textEditorData.MainSelection.SelectionMode == SelectionMode.Block)
{
textEditorData.Caret.PreserveSelection = true;
if (!textEditorData.MainSelection.IsDirty)
{
textEditorData.DeleteSelectedText(false);
textEditorData.MainSelection.IsDirty = true;
}
}
else
{
textEditorData.DeleteSelectedText();
}
char ch = (char)unicodeKey;
if (!char.IsControl(ch) && textEditorData.CanEdit(Caret.Line))
{
LineSegment line = Document.GetLine(Caret.Line);
if (Caret.IsInInsertMode || Caret.Column >= line.EditableLength)
{
string text = Caret.Column > line.EditableLength ? textEditorData.GetVirtualSpaces(Caret.Line, Caret.Column) + ch.ToString() : ch.ToString();
if (textEditorData.IsSomethingSelected && textEditorData.MainSelection.SelectionMode == SelectionMode.Block)
{
int length = 0;
for (int lineNumber = textEditorData.MainSelection.MinLine; lineNumber <= textEditorData.MainSelection.MaxLine; lineNumber++)
{
length = textEditorData.Insert(textEditorData.Document.GetLine(lineNumber).Offset + Caret.Column, text);
}
Caret.Column += length - 1;
textEditorData.MainSelection.Lead = new DocumentLocation(textEditorData.MainSelection.Lead.Line, Caret.Column + 1);
textEditorData.MainSelection.IsDirty = true;
Document.CommitMultipleLineUpdate(textEditorData.MainSelection.MinLine, textEditorData.MainSelection.MaxLine);
}
else
{
int length = textEditorData.Insert(Caret.Offset, text);
Caret.Column += length - 1;
}
}
else
{
int length = textEditorData.Replace(Caret.Offset, 1, ch.ToString());
if (length > 1)
{
Caret.Offset += length - 1;
}
}
// That causes unnecessary redraws:
// bool autoScroll = Caret.AutoScrollToCaret;
Caret.Column++;
// Caret.AutoScrollToCaret = autoScroll;
// if (autoScroll)
// Editor.ScrollToCaret ();
// Document.RequestUpdate (new LineUpdate (Caret.Line));
// Document.CommitDocumentUpdate ();
}
if (textEditorData.IsSomethingSelected && textEditorData.MainSelection.SelectionMode == SelectionMode.Block)
{
textEditorData.Caret.PreserveSelection = false;
}
Document.EndAtomicUndo();
Document.OptimizeTypedUndo();
}
public static void ToggleCase(TextEditorData data)
{
if (data.IsSomethingSelected) {
if (!data.CanEditSelection)
return;
StringBuilder sb = new StringBuilder (data.SelectedText);
for (int i = 0; i < sb.Length; i++) {
char ch = sb [i];
if (Char.IsLower (ch))
sb [i] = Char.ToUpper (ch);
else if (Char.IsUpper (ch))
sb [i] = Char.ToLower (ch);
}
data.Replace (data.SelectionRange.Offset, data.SelectionRange.Length, sb.ToString ());
} else if (data.CanEdit (data.Caret.Line)) {
char ch = data.Document.GetCharAt (data.Caret.Offset);
if (Char.IsLower (ch))
ch = Char.ToUpper (ch);
else if (Char.IsUpper (ch))
ch = Char.ToLower (ch);
var caretOffset = data.Caret.Offset;
int length = data.Replace (caretOffset, 1, new string (ch, 1));
DocumentLine seg = data.Document.GetLine (data.Caret.Line);
if (data.Caret.Column < seg.Length)
data.Caret.Offset = caretOffset + length;
}
}
protected void InsertCharacter(uint unicodeKey)
{
if (!textEditorData.CanEdit(Data.Caret.Line))
{
return;
}
HideMouseCursor();
using (var undo = Document.OpenUndoGroup()) {
if (textEditorData.IsSomethingSelected && textEditorData.Options.EnableSelectionWrappingKeys && IsSpecialKeyForSelection(unicodeKey))
{
textEditorData.SelectionSurroundingProvider.HandleSpecialSelectionKey(textEditorData, unicodeKey);
return;
}
textEditorData.DeleteSelectedText(
textEditorData.IsSomethingSelected ? textEditorData.MainSelection.SelectionMode != SelectionMode.Block : true);
// Needs to be called after delete text, delete text handles virtual caret postitions itself,
// but afterwards the virtual position may need to be restored.
textEditorData.EnsureCaretIsNotVirtual();
char ch = (char)unicodeKey;
if (!char.IsControl(ch) && textEditorData.CanEdit(Caret.Line))
{
DocumentLine line = Document.GetLine(Caret.Line);
if (Caret.IsInInsertMode || Caret.Column >= line.Length + 1)
{
string text = ch.ToString();
if (textEditorData.IsSomethingSelected && textEditorData.MainSelection.SelectionMode == SelectionMode.Block)
{
var visualInsertLocation = textEditorData.LogicalToVisualLocation(Caret.Location);
var selection = textEditorData.MainSelection;
Caret.PreserveSelection = true;
for (int lineNumber = selection.MinLine; lineNumber <= selection.MaxLine; lineNumber++)
{
DocumentLine lineSegment = textEditorData.GetLine(lineNumber);
int insertOffset = lineSegment.GetLogicalColumn(textEditorData, visualInsertLocation.Column) - 1;
string textToInsert;
if (lineSegment.Length < insertOffset)
{
int visualLastColumn = lineSegment.GetVisualColumn(textEditorData, lineSegment.Length + 1);
int charsToInsert = visualInsertLocation.Column - visualLastColumn;
int spaceCount = charsToInsert % editor.Options.TabSize;
textToInsert = new string ('\t', (charsToInsert - spaceCount) / editor.Options.TabSize) +
new string (' ', spaceCount) + text;
insertOffset = lineSegment.Length;
}
else
{
textToInsert = text;
}
textEditorData.Insert(lineSegment.Offset + insertOffset, textToInsert);
}
var visualColumn = textEditorData.GetLine(Caret.Location.Line).GetVisualColumn(textEditorData, Caret.Column);
textEditorData.MainSelection = new Selection(
new DocumentLocation(selection.Anchor.Line, textEditorData.GetLine(selection.Anchor.Line).GetLogicalColumn(textEditorData, visualColumn)),
new DocumentLocation(selection.Lead.Line, textEditorData.GetLine(selection.Lead.Line).GetLogicalColumn(textEditorData, visualColumn)),
SelectionMode.Block
);
Document.CommitMultipleLineUpdate(textEditorData.MainSelection.MinLine, textEditorData.MainSelection.MaxLine);
}
else
{
textEditorData.Insert(Caret.Offset, text);
}
}
else
{
textEditorData.Replace(Caret.Offset, 1, ch.ToString());
}
// That causes unnecessary redraws:
// bool autoScroll = Caret.AutoScrollToCaret;
// Caret.Column++;
if (Caret.PreserveSelection)
{
Caret.PreserveSelection = false;
}
// Caret.AutoScrollToCaret = autoScroll;
// if (autoScroll)
// Editor.ScrollToCaret ();
// Document.RequestUpdate (new LineUpdate (Caret.Line));
// Document.CommitDocumentUpdate ();
}
}
Document.OptimizeTypedUndo();
}
public static void CaretLine (TextEditorData data)
{
if (data.Document.LineCount <= 1 || !data.CanEdit (data.Caret.Line))
return;
using (var undo = data.OpenUndoGroup ()) {
if (data.IsSomethingSelected) {
var startLine = data.GetLine (data.MainSelection.Start.Line);
var endLine = data.GetLine (data.MainSelection.End.Line);
data.Remove (startLine.Offset, endLine.EndOffsetIncludingDelimiter - startLine.Offset);
return;
}
var start = GetStartOfLineOffset (data, data.Caret.Location);
var end = GetEndOfLineOffset (data, data.Caret.Location);
data.Remove (start, end - start);
data.Caret.Column = DocumentLocation.MinColumn;
}
}
public static void CaretLineToEnd (TextEditorData data)
{
if (!data.CanEdit (data.Caret.Line))
return;
LineSegment line = data.Document.GetLine (data.Caret.Line);
if (data.Caret.Column == line.EditableLength) {
// Nothing after the cursor, delete the end-of-line sequence
data.Remove (line.Offset + data.Caret.Column, line.Length - data.Caret.Column);
} else {
// Delete from cursor position to the end of the line
data.Remove (line.Offset + data.Caret.Column, line.EditableLength - data.Caret.Column);
}
data.Document.CommitLineUpdate (data.Caret.Line);
}
static int PasteFrom (Clipboard clipboard, TextEditorData data, bool preserveSelection, int insertionOffset, bool preserveState)
{
int result = -1;
if (!data.CanEdit (data.Document.OffsetToLineNumber (insertionOffset)))
return result;
if (clipboard.WaitIsTargetAvailable (CopyOperation.MD_ATOM)) {
clipboard.RequestContents (CopyOperation.MD_ATOM, delegate(Clipboard clp, SelectionData selectionData) {
if (selectionData.Length > 0) {
byte[] selBytes = selectionData.Data;
var upperBound = System.Math.Max (0, System.Math.Min (selBytes [1], selBytes.Length - 2));
byte[] copyData = new byte[upperBound];
Array.Copy (selBytes, 2, copyData, 0, copyData.Length);
var rawTextOffset = 1 + 1 + copyData.Length;
string text = Encoding.UTF8.GetString (selBytes, rawTextOffset, selBytes.Length - rawTextOffset);
bool pasteBlock = (selBytes [0] & 1) == 1;
bool pasteLine = (selBytes [0] & 2) == 2;
if (pasteBlock) {
using (var undo = data.OpenUndoGroup ()) {
var version = data.Document.Version;
if (!preserveSelection)
data.DeleteSelectedText (!data.IsSomethingSelected || data.MainSelection.SelectionMode != SelectionMode.Block);
int startLine = data.Caret.Line;
data.EnsureCaretIsNotVirtual ();
insertionOffset = version.MoveOffsetTo (data.Document.Version, insertionOffset);
data.Caret.PreserveSelection = true;
var lines = new List<string> ();
int offset = 0;
while (true) {
var delimiter = LineSplitter.NextDelimiter (text, offset);
if (delimiter.IsInvalid)
break;
int delimiterEndOffset = delimiter.EndOffset;
lines.Add (text.Substring (offset, delimiter.Offset - offset));
offset = delimiterEndOffset;
}
if (offset < text.Length)
lines.Add (text.Substring (offset, text.Length - offset));
int lineNr = data.Document.OffsetToLineNumber (insertionOffset);
int col = insertionOffset - data.Document.GetLine (lineNr).Offset;
int visCol = data.Document.GetLine (lineNr).GetVisualColumn (data, col);
DocumentLine curLine;
int lineCol = col;
result = 0;
for (int i = 0; i < lines.Count; i++) {
while (data.Document.LineCount <= lineNr + i) {
data.Insert (data.Document.TextLength, Environment.NewLine);
result += Environment.NewLine.Length;
}
curLine = data.Document.GetLine (lineNr + i);
if (lines [i].Length > 0) {
lineCol = curLine.GetLogicalColumn (data, visCol);
if (curLine.Length + 1 < lineCol) {
result += lineCol - curLine.Length;
data.Insert (curLine.Offset + curLine.Length, new string (' ', lineCol - curLine.Length));
}
data.Insert (curLine.Offset + lineCol, lines [i]);
result += lines [i].Length;
}
if (!preserveState)
data.Caret.Offset = curLine.Offset + lineCol + lines [i].Length;
}
if (!preserveState)
data.ClearSelection ();
data.FixVirtualIndentation (startLine);
data.Caret.PreserveSelection = false;
}
} else if (pasteLine) {
using (var undo = data.OpenUndoGroup ()) {
if (!preserveSelection)
data.DeleteSelectedText (!data.IsSomethingSelected || data.MainSelection.SelectionMode != SelectionMode.Block);
data.EnsureCaretIsNotVirtual ();
data.Caret.PreserveSelection = true;
result = text.Length;
DocumentLine curLine = data.Document.GetLine (data.Caret.Line);
result = PastePlainText (data, curLine.Offset, text + data.EolMarker, preserveSelection, copyData);
if (!preserveState)
data.ClearSelection ();
data.Caret.PreserveSelection = false;
data.FixVirtualIndentation (curLine.LineNumber);
}
} else {
result = PastePlainText (data, insertionOffset, text, preserveSelection, copyData);
}
}
});
// we got MD_ATOM text - no need to request text. (otherwise buffer may get copied twice).
return result;
}
if (result < 0 && clipboard.WaitIsTextAvailable ()) {
clipboard.RequestText (delegate(Clipboard clp, string text) {
if (string.IsNullOrEmpty (text))
return;
result = PastePlainText (data, insertionOffset, text, preserveSelection);
});
}
return result;
}
static int PasteFrom (Clipboard clipboard, TextEditorData data, bool preserveSelection, int insertionOffset, bool preserveState)
{
int result = -1;
if (!data.CanEdit (data.Document.OffsetToLineNumber (insertionOffset)))
return result;
if (clipboard.WaitIsTargetAvailable (CopyOperation.MD_ATOM)) {
clipboard.RequestContents (CopyOperation.MD_ATOM, delegate(Clipboard clp, SelectionData selectionData) {
if (selectionData.Length > 0) {
byte[] selBytes = selectionData.Data;
string text = System.Text.Encoding.UTF8.GetString (selBytes, 1, selBytes.Length - 1);
bool pasteBlock = (selBytes [0] & 1) == 1;
bool pasteLine = (selBytes [0] & 2) == 2;
// var clearSelection = data.IsSomethingSelected ? data.MainSelection.SelectionMode != SelectionMode.Block : true;
if (pasteBlock) {
using (var undo = data.OpenUndoGroup ()) {
var version = data.Document.Version;
data.DeleteSelectedText (!data.IsSomethingSelected || data.MainSelection.SelectionMode != SelectionMode.Block);
data.EnsureCaretIsNotVirtual ();
insertionOffset = version.MoveOffsetTo (data.Document.Version, insertionOffset);
data.Caret.PreserveSelection = true;
string[] lines = text.Split ('\r');
int lineNr = data.Document.OffsetToLineNumber (insertionOffset);
int col = insertionOffset - data.Document.GetLine (lineNr).Offset;
int visCol = data.Document.GetLine (lineNr).GetVisualColumn (data, col);
DocumentLine curLine;
int lineCol = col;
result = 0;
for (int i = 0; i < lines.Length; i++) {
while (data.Document.LineCount <= lineNr + i) {
data.Insert (data.Document.TextLength, Environment.NewLine);
result += Environment.NewLine.Length;
}
curLine = data.Document.GetLine (lineNr + i);
if (lines [i].Length > 0) {
lineCol = curLine.GetLogicalColumn (data, visCol);
if (curLine.Length + 1 < lineCol) {
result += lineCol - curLine.Length;
data.Insert (curLine.Offset + curLine.Length, new string (' ', lineCol - curLine.Length));
}
data.Insert (curLine.Offset + lineCol, lines [i]);
result += lines [i].Length;
}
if (!preserveState)
data.Caret.Offset = curLine.Offset + lineCol + lines [i].Length;
}
if (!preserveState)
data.ClearSelection ();
data.Caret.PreserveSelection = false;
}
} else if (pasteLine) {
using (var undo = data.OpenUndoGroup ()) {
data.DeleteSelectedText (!data.IsSomethingSelected || data.MainSelection.SelectionMode != SelectionMode.Block);
data.EnsureCaretIsNotVirtual ();
data.Caret.PreserveSelection = true;
result = text.Length;
DocumentLine curLine = data.Document.GetLine (data.Caret.Line);
data.Insert (curLine.Offset, text + data.EolMarker);
if (!preserveState)
data.ClearSelection ();
data.Caret.PreserveSelection = false;
}
} else {
result = PastePlainText (data, insertionOffset, text);
}
}
});
// we got MD_ATOM text - no need to request text. (otherwise buffer may get copied twice).
return result;
}
if (result < 0 && clipboard.WaitIsTextAvailable ()) {
clipboard.RequestText (delegate(Clipboard clp, string text) {
if (string.IsNullOrEmpty (text))
return;
using (var undo = data.OpenUndoGroup ()) {
result = PastePlainText (data, insertionOffset, text);
}
});
}
return result;
}
static int PasteFrom(TextEditorData data, bool preserveSelection, int insertionOffset, bool preserveState)
{
int result = -1;
if (!data.CanEdit(data.Document.OffsetToLineNumber(insertionOffset)))
{
return(result);
}
if (Clipboard.ContainsData <byte[]>())
{
byte[] selBytes = Clipboard.GetData <byte[]>();
var upperBound = System.Math.Max(0, System.Math.Min(selBytes[1], selBytes.Length - 2));
byte[] copyData = new byte[upperBound];
Array.Copy(selBytes, 2, copyData, 0, copyData.Length);
var rawTextOffset = 1 + 1 + copyData.Length;
string text = Encoding.UTF8.GetString(selBytes, rawTextOffset, selBytes.Length - rawTextOffset);
bool pasteBlock = (selBytes[0] & 1) == 1;
bool pasteLine = (selBytes[0] & 2) == 2;
if (pasteBlock)
{
using (var undo = data.OpenUndoGroup())
{
var version = data.Document.Version;
if (!preserveSelection)
{
data.DeleteSelectedText(!data.IsSomethingSelected || data.MainSelection.SelectionMode != SelectionMode.Block);
}
int startLine = data.Caret.Line;
data.EnsureCaretIsNotVirtual();
insertionOffset = version.MoveOffsetTo(data.Document.Version, insertionOffset);
data.Caret.PreserveSelection = true;
var lines = new List <string>();
int offset = 0;
while (true)
{
var delimiter = LineSplitter.NextDelimiter(text, offset);
if (delimiter.IsInvalid)
{
break;
}
int delimiterEndOffset = delimiter.EndOffset;
lines.Add(text.Substring(offset, delimiter.Offset - offset));
offset = delimiterEndOffset;
}
if (offset < text.Length)
{
lines.Add(text.Substring(offset, text.Length - offset));
}
int lineNr = data.Document.OffsetToLineNumber(insertionOffset);
int col = insertionOffset - data.Document.GetLine(lineNr).Offset;
int visCol = data.Document.GetLine(lineNr).GetVisualColumn(data, col);
DocumentLine curLine;
int lineCol = col;
result = 0;
for (int i = 0; i < lines.Count; i++)
{
while (data.Document.LineCount <= lineNr + i)
{
data.Insert(data.Document.TextLength, Environment.NewLine);
result += Environment.NewLine.Length;
}
curLine = data.Document.GetLine(lineNr + i);
if (lines[i].Length > 0)
{
lineCol = curLine.GetLogicalColumn(data, visCol);
if (curLine.Length + 1 < lineCol)
{
result += lineCol - curLine.Length;
data.Insert(curLine.Offset + curLine.Length, new string(' ', lineCol - curLine.Length));
}
data.Insert(curLine.Offset + lineCol, lines[i]);
result += lines[i].Length;
}
if (!preserveState)
{
data.Caret.Offset = curLine.Offset + lineCol + lines[i].Length;
}
}
if (!preserveState)
{
data.ClearSelection();
}
data.FixVirtualIndentation(startLine);
data.Caret.PreserveSelection = false;
}
}
else if (pasteLine)
{
using (var undo = data.OpenUndoGroup())
{
if (!preserveSelection)
{
data.DeleteSelectedText(!data.IsSomethingSelected || data.MainSelection.SelectionMode != SelectionMode.Block);
}
data.EnsureCaretIsNotVirtual();
data.Caret.PreserveSelection = true;
result = text.Length;
DocumentLine curLine = data.Document.GetLine(data.Caret.Line);
result = PastePlainText(data, curLine.Offset, text + data.EolMarker, preserveSelection, copyData);
if (!preserveState)
{
data.ClearSelection();
}
data.Caret.PreserveSelection = false;
data.FixVirtualIndentation(curLine.LineNumber);
}
}
else
{
result = PastePlainText(data, insertionOffset, text, preserveSelection, copyData);
}
}
else if (Clipboard.ContainsData(TransferDataType.Text))
{
var text = Clipboard.GetText();
result = PastePlainText(data, insertionOffset, text, preserveState);
}
return(result);
}
