internal override void Execute(EmacsCommandContext context)
{
if (context.Manager.UniversalArgument.HasValue)
{
var lineNumber = context.Manager.UniversalArgument.Value - 1;
if (lineNumber < 0)
{
context.EditorOperations.MoveToStartOfDocument();
}
else if (lineNumber >= context.TextView.TextSnapshot.LineCount)
{
context.EditorOperations.MoveToEndOfDocument();
}
else
{
context.EditorOperations.GotoLine(lineNumber);
}
}
else
{
// Execute the built-in VS go-to command
context.CommandRouter.ExecuteDTECommand(VsCommands.GoToCommandName);
}
}
internal override void Execute(EmacsCommandContext context)
{
if (!context.TextView.Selection.IsEmpty)
context.EditorOperations.Delete();
else
context.Manager.UpdateStatus(Resources.OperationCannotBePerformedWithoutTextSelection);
}
internal override void Execute(EmacsCommandContext context)
{
var previousWordSpan = context.TextStructureNavigator.GetPreviousWord(context.TextView);
if (previousWordSpan.HasValue && previousWordSpan.Value.IntersectsWith(new Span(context.TextView.GetCaretPosition(), 1)))
{
var nextWordSpan = context.TextStructureNavigator.GetNextWord(previousWordSpan.Value.End);
if (nextWordSpan.HasValue)
{
var previousWord = context.TextView.TextSnapshot.GetText(previousWordSpan.Value);
var nextWord = context.TextView.TextSnapshot.GetText(nextWordSpan.Value);
using (var edit = context.TextView.TextBuffer.CreateEdit())
{
edit.Replace(nextWordSpan.Value, previousWord);
edit.Replace(previousWordSpan.Value, nextWord);
edit.Apply();
}
context.TextView.Caret.MoveTo(new SnapshotPoint(context.TextView.TextSnapshot, nextWordSpan.Value.End));
context.TextView.Caret.EnsureVisible();
}
}
}
internal override void Execute(EmacsCommandContext context)
{
ITextSelection selection = context.TextView.Selection;
ClipboardRing ring = context.Manager.ClipboardRing;
if (!ring.IsEmpty)
{
ITrackingSpan preInsertionSelectionSpan = null;
if (!selection.IsEmpty)
{
// Currently only support stream selection
if (selection.Mode == TextSelectionMode.Stream)
{
preInsertionSelectionSpan = context.TextView.TextSnapshot.CreateTrackingSpan(selection.StreamSelectionSpan.SnapshotSpan, SpanTrackingMode.EdgeInclusive);
}
else
{
selection.Clear();
}
}
else
{
preInsertionSelectionSpan = context.TextView.TextSnapshot.CreateTrackingSpan(new Span(selection.AnchorPoint.Position, 0), SpanTrackingMode.EdgeInclusive);
}
context.EditorOperations.ReplaceSelection(ring.GetNext());
// Select newly inserted text
SnapshotSpan newSelectionRange = preInsertionSelectionSpan.GetSpan(context.TextView.TextSnapshot);
context.EditorOperations.SelectAndMoveCaret(new VirtualSnapshotPoint(newSelectionRange.Start), new VirtualSnapshotPoint(newSelectionRange.End));
}
}
internal override void Execute(EmacsCommandContext context)
{
ITextSelection selection = context.TextView.Selection;
ClipboardRing ring = context.Manager.ClipboardRing;
if (!ring.IsEmpty)
{
ITrackingSpan preInsertionSelectionSpan = null;
if (!selection.IsEmpty)
{
// Currently only support stream selection
if (selection.Mode == TextSelectionMode.Stream)
{
preInsertionSelectionSpan = context.TextView.TextSnapshot.CreateTrackingSpan(selection.StreamSelectionSpan.SnapshotSpan, SpanTrackingMode.EdgeInclusive);
}
else
{
selection.Clear();
}
}
else
{
preInsertionSelectionSpan = context.TextView.TextSnapshot.CreateTrackingSpan(new Span(selection.AnchorPoint.Position, 0), SpanTrackingMode.EdgeInclusive);
}
context.EditorOperations.ReplaceSelection(ring.GetNext());
// Select newly inserted text
SnapshotSpan newSelectionRange = preInsertionSelectionSpan.GetSpan(context.TextView.TextSnapshot);
context.EditorOperations.SelectAndMoveCaret(new VirtualSnapshotPoint(newSelectionRange.Start), new VirtualSnapshotPoint(newSelectionRange.End));
}
}
internal override void Execute(EmacsCommandContext context)
{
if (context.Manager.UniversalArgument.HasValue)
{
var lineNumber = context.Manager.UniversalArgument.Value - 1;
if (lineNumber < 0)
{
context.EditorOperations.MoveToStartOfDocument();
}
else if (lineNumber >= context.TextView.TextSnapshot.LineCount)
{
context.EditorOperations.MoveToEndOfDocument();
}
else
{
context.EditorOperations.GotoLine(lineNumber);
}
}
else
{
// Execute the built-in VS go-to command
context.CommandRouter.ExecuteDTECommand(VsCommands.GoToCommandName);
}
}
internal override void Execute(EmacsCommandContext context)
{
var previousWordSpan = context.TextStructureNavigator.GetPreviousWord(context.TextView);
if (previousWordSpan.HasValue && previousWordSpan.Value.IntersectsWith(new Span(context.TextView.GetCaretPosition(), 1)))
{
var nextWordSpan = context.TextStructureNavigator.GetNextWord(previousWordSpan.Value.End);
if (nextWordSpan.HasValue)
{
var previousWord = context.TextView.TextSnapshot.GetText(previousWordSpan.Value);
var nextWord = context.TextView.TextSnapshot.GetText(nextWordSpan.Value);
using (var edit = context.TextView.TextBuffer.CreateEdit())
{
edit.Replace(nextWordSpan.Value, previousWord);
edit.Replace(previousWordSpan.Value, nextWord);
edit.Apply();
}
context.TextView.Caret.MoveTo(new SnapshotPoint(context.TextView.TextSnapshot, nextWordSpan.Value.End));
context.TextView.Caret.EnsureVisible();
}
}
}
internal override void Execute(EmacsCommandContext context)
{
var currentLineDifference = context.TextBuffer.GetLineNumber(context.TextView.Caret.Position.BufferPosition) - context.TextBuffer.GetLineNumber(context.TextView.TextViewLines.FirstVisibleLine.Start);
context.EditorOperations.ScrollPageDown();
context.TextView.PositionCaretOnLine(currentLineDifference);
}
internal override void Execute(EmacsCommandContext context)
{
var currentLineDifference = context.TextBuffer.GetLineNumber(context.TextView.Caret.Position.BufferPosition) - context.TextBuffer.GetLineNumber(context.TextView.TextViewLines.FirstVisibleLine.Start);
context.EditorOperations.ScrollPageDown();
context.TextView.PositionCaretOnLine(currentLineDifference);
}
internal override void Execute(EmacsCommandContext context)
{
var rdt = context.Manager.ServiceProvider.GetService<SVsRunningDocumentTable, IVsRunningDocumentTable>();
if (rdt != null)
{
rdt.SaveDocuments((uint)__VSRDTSAVEOPTIONS.RDTSAVEOPT_PromptSave, null, (uint)VSConstants.VSITEMID.Root, 0);
}
}
internal override void ExecuteInverse(EmacsCommandContext context)
{
var caretPosition = context.TextView.GetCaretPosition().Position;
if (caretPosition < context.TextBuffer.CurrentSnapshot.Length)
{
context.EditorOperations.Delete();
}
}
internal override void Execute(EmacsCommandContext context)
{
if (context.UniversalArgument == 4)
context.MarkSession.PopMark();
else if (context.UniversalArgument == 16)
context.MarkSession.RemoveTopMark();
else
context.MarkSession.PushMark();
}
internal override void Execute(EmacsCommandContext context)
{
var shell = context.Manager.ServiceProvider.GetService<SVsUIShell, IVsUIShell>();
if (shell != null)
{
shell.PostExecCommand(typeof(VSConstants.VSStd97CmdID).GUID, (uint)VSConstants.VSStd97CmdID.GotoCommandLine, 0, 0);
}
}
internal override void ExecuteInverse(EmacsCommandContext context)
{
var caretPosition = context.TextView.GetCaretPosition().Position;
if (caretPosition < context.TextBuffer.CurrentSnapshot.Length)
{
context.EditorOperations.Delete();
}
}
internal override void Execute(EmacsCommandContext context)
{
var rdt = context.Manager.ServiceProvider.GetService <SVsRunningDocumentTable, IVsRunningDocumentTable>();
if (rdt != null)
{
rdt.SaveDocuments((uint)__VSRDTSAVEOPTIONS.RDTSAVEOPT_PromptSave, null, (uint)VSConstants.VSITEMID.Root, 0);
}
}
internal override void Execute(EmacsCommandContext context)
{
// insert a newline right after the caret
// context.editoroperations.insertnewline() is not working as expected for this scenario
context.EditorOperations.InsertText(Environment.NewLine);
// get the caret back to the location it was before the newline was inserted
context.EditorOperations.MoveToPreviousCharacter();
}
internal override void Execute(EmacsCommandContext context)
{
var shell = context.Manager.ServiceProvider.GetService <SVsUIShell, IVsUIShell>();
if (shell != null)
{
shell.PostExecCommand(typeof(VSConstants.VSStd97CmdID).GUID, (uint)VSConstants.VSStd97CmdID.GotoCommandLine, 0, 0);
}
}
internal override void Execute(EmacsCommandContext context)
{
// insert a newline right after the caret
// context.editoroperations.insertnewline() is not working as expected for this scenario
context.EditorOperations.InsertText(Environment.NewLine);
// get the caret back to the location it was before the newline was inserted
context.EditorOperations.MoveToPreviousCharacter();
}
internal override void Execute(EmacsCommandContext context)
{
if (!context.TextView.Selection.IsEmpty)
{
context.EditorOperations.Delete();
}
else
{
context.Manager.UpdateStatus(Resources.OperationCannotBePerformedWithoutTextSelection);
}
}
internal override void Execute(EmacsCommandContext context)
{
// In Emacs, if there's a selection and text is pasted, the selection is cleared first
if (context.MarkSession.IsActive)
context.MarkSession.Deactivate(clearSelection: true);
// Push the mark represented by the current position of the caret
context.MarkSession.PushMark(false);
context.CommandRouter.ExecuteDTECommand("Edit.Paste");
}
internal override void Execute(EmacsCommandContext context)
{
if (context.Manager.AfterSearch)
{
context.EditorOperations.MoveCaretToStartOfPhysicalLine(false);
}
else
{
context.EditorOperations.MoveCaretToStartOfPhysicalLine();
}
}
internal override void Execute(EmacsCommandContext context)
{
if (context.Manager.UniversalArgument > 0 && context.Manager.UniversalArgument <= 255)
{
context.EditorOperations.InsertText(((char)context.Manager.UniversalArgument.Value).ToString());
}
else
{
context.Manager.UpdateStatus("Use c-u to enter the ASCII decimal value first");
}
}
internal override void Execute(EmacsCommandContext context)
{
if (context.Manager.AfterSearch)
{
context.EditorOperations.MoveCaretToEndOfPhysicalLine(false);
}
else
{
context.EditorOperations.MoveCaretToEndOfPhysicalLine();
}
}
internal override void ExecuteInverse(EmacsCommandContext context)
{
var repeat = Math.Abs(context.Manager.GetUniversalArgumentOrDefault(1));
context.EditorOperations.ScrollLineBottom();
for (int i = 0; i < repeat; i++)
{
context.EditorOperations.ScrollDownAndMoveCaretIfNecessary();
}
}
internal override void ExecuteInverse(EmacsCommandContext context)
{
var repeat = Math.Abs(context.Manager.GetUniversalArgumentOrDefault(1));
context.EditorOperations.ScrollLineBottom();
for (int i = 0; i < repeat; i++)
{
context.EditorOperations.ScrollDownAndMoveCaretIfNecessary();
}
}
internal override void Execute(EmacsCommandContext context)
{
if (context.Manager.UniversalArgument > 0 && context.Manager.UniversalArgument <= 255)
{
context.EditorOperations.InsertText(((char)context.Manager.UniversalArgument.Value).ToString());
}
else
{
context.Manager.UpdateStatus("Use c-u to enter the ASCII decimal value first");
}
}
internal override void Execute(EmacsCommandContext context)
{
// EditorOpertion.MoveNextWord is not working as expected for our spec.
// For example: When the caret is in the middle of a word this command should
// move the caret to the end of the same word. EditorOperations moves the caret
// to the next word instead.
var word = context.TextStructureNavigator.GetNextWord(context.TextView);
if (word.HasValue)
context.EditorOperations.MoveCaret(word.Value.End);
}
internal override void Execute(EmacsCommandContext context)
{
// we can't use the repeating support because of the special behavior of UniversalArgument=0
if (!context.UniversalArgument.HasValue || context.Manager.UniversalArgument == 0)
{
ITextCaret caret = context.TextView.Caret;
int caretPosition = caret.Position.BufferPosition.Position;
ITextViewLine caretViewLine = caret.ContainingTextViewLine;
int endOfLine = caretViewLine.End.Position;
int startOfNextLine = caretViewLine.EndIncludingLineBreak.Position;
if (caretPosition == endOfLine)
{
context.EditorOperations.Delete(caretPosition, startOfNextLine - caretPosition);
}
else
{
// does the line contain whitespaces from caret till the end?
for (int whitespaceChecker = caretPosition; ; ++whitespaceChecker)
{
if (whitespaceChecker <= endOfLine)
{
if (char.IsWhiteSpace(context.TextView.TextSnapshot[whitespaceChecker]))
{
continue;
}
else
{
context.EditorOperations.DeleteToEndOfPhysicalLine();
break;
}
}
else
{
// reached end of line and every character was a whitespace
context.EditorOperations.Delete(caretPosition, startOfNextLine - caretPosition);
break;
}
}
}
}
else // (context.UniversalArgument > 0)
{
for (int count = context.Manager.GetUniversalArgumentOrDefault(1); count > 0; count--)
{
int caretPosition = context.TextView.Caret.Position.BufferPosition.Position;
int nextLineStart = context.TextView.Caret.ContainingTextViewLine.EndIncludingLineBreak.Position;
context.EditorOperations.Delete(caretPosition, nextLineStart - caretPosition);
}
}
}
internal override void Execute(EmacsCommandContext context)
{
// In Emacs, if there's a selection and text is pasted, the selection is cleared first
if (context.MarkSession.IsActive)
{
context.MarkSession.Deactivate(clearSelection: true);
}
// Push the mark represented by the current position of the caret
context.MarkSession.PushMark(false);
context.CommandRouter.ExecuteDTECommand("Edit.Paste");
}
internal override void Execute(EmacsCommandContext context)
{
var word = context.TextStructureNavigator.GetNextWord(context.TextView);
if (word.HasValue)
{
var caretPosition = context.TextView.GetCaretPosition();
var span = new Span(caretPosition, word.Value.End - caretPosition);
var text = context.TextView.TextSnapshot.GetText(span);
context.TextBuffer.Replace(span, TransformText(text));
}
}
internal override void Execute(EmacsCommandContext context)
{
var word = context.TextStructureNavigator.GetNextWord(context.TextView);
if (word.HasValue)
{
var caretPosition = context.TextView.GetCaretPosition();
var span = new Span(caretPosition, word.Value.End - caretPosition);
var text = context.TextView.TextSnapshot.GetText(span);
context.TextBuffer.Replace(span, TransformText(text));
}
}
internal override void Execute(EmacsCommandContext context)
{
// we can't use the repeating support because of the special behavior of UniversalArgument=0
if (context.Manager.UniversalArgument == 0)
{
ITextCaret caret = context.TextView.Caret;
int caretPosition = caret.Position.BufferPosition.Position;
ITextViewLine caretViewLine = caret.ContainingTextViewLine;
int endOfLine = caretViewLine.End.Position;
int startOfNextLine = caretViewLine.EndIncludingLineBreak.Position;
if (caretPosition == endOfLine)
{
context.EditorOperations.Delete(caretPosition, startOfNextLine - caretPosition);
}
else
{
// does the line contain whitespaces from caret till the end?
for (int whitespaceChecker = caretPosition; ; ++whitespaceChecker)
{
if (whitespaceChecker <= endOfLine)
{
if (char.IsWhiteSpace(context.TextView.TextSnapshot[whitespaceChecker]))
{
continue;
}
else
{
context.EditorOperations.DeleteToEndOfPhysicalLine();
break;
}
}
else
{
// reached end of line and every character was a whitespace
context.EditorOperations.Delete(caretPosition, startOfNextLine - caretPosition);
}
}
}
}
else if (!context.UniversalArgument.HasValue || context.UniversalArgument > 0)
{
for (int count = context.Manager.GetUniversalArgumentOrDefault(1); count > 0; count--)
{
int caretPosition = context.TextView.Caret.Position.BufferPosition.Position;
int nextLineStart = context.TextView.Caret.ContainingTextViewLine.EndIncludingLineBreak.Position;
context.EditorOperations.Delete(caretPosition, nextLineStart - caretPosition);
}
}
}
internal override void Execute(EmacsCommandContext context)
{
// EditorOpertion.MoveNextWord is not working as expected for our spec.
// For example: When the caret is in the middle of a word this command should
// move the caret to the end of the same word. EditorOperations moves the caret
// to the next word instead.
var word = context.TextStructureNavigator.GetNextWord(context.TextView);
if (word.HasValue)
{
context.EditorOperations.MoveCaret(word.Value.End);
}
}
internal override void Execute(EmacsCommandContext context)
{
DTE vs = context.Manager.ServiceProvider.GetService<DTE>();
if (vs.ActiveDocument != null && vs.ActiveDocument.ActiveWindow != null)
{
var textWindow = vs.ActiveDocument.ActiveWindow.Object as TextWindow;
if (textWindow != null && textWindow.Panes.Count == 1)
{
context.CommandRouter.ExecuteDTECommand("Window.Split");
}
}
}
internal override void Execute(EmacsCommandContext context)
{
DTE vs = context.Manager.ServiceProvider.GetService <DTE>();
if (vs.ActiveDocument != null && vs.ActiveDocument.ActiveWindow != null)
{
var textWindow = vs.ActiveDocument.ActiveWindow.Object as TextWindow;
if (textWindow != null && textWindow.Panes.Count == 2)
{
context.CommandRouter.ExecuteDTECommand("Window.Split");
}
}
}
internal override void Execute(EmacsCommandContext context)
{
if (context.UniversalArgument == 4)
{
context.MarkSession.PopMark();
}
else if (context.UniversalArgument == 16)
{
context.MarkSession.RemoveTopMark();
}
else
{
context.MarkSession.PushMark();
}
}
internal override void ExecuteInverse(EmacsCommandContext context)
{
var word = context.TextStructureNavigator.GetPreviousWord(context.TextView);
if (word.HasValue)
{
var caretPosition = context.TextView.GetCaretPosition();
var span = new Span(word.Value.Start, caretPosition - word.Value.Start);
var text = context.TextView.TextSnapshot.GetText(span);
context.TextBuffer.Replace(span, TransformText(text));
context.EditorOperations.MoveCaret(span.Start);
}
}
internal override void ExecuteInverse(EmacsCommandContext context)
{
var word = context.TextStructureNavigator.GetPreviousWord(context.TextView);
if (word.HasValue)
{
var caretPosition = context.TextView.GetCaretPosition();
var span = new Span(word.Value.Start, caretPosition - word.Value.Start);
var text = context.TextView.TextSnapshot.GetText(span);
context.TextBuffer.Replace(span, TransformText(text));
context.EditorOperations.MoveCaret(span.Start);
}
}
internal override void Execute(EmacsCommandContext context)
{
var word = context.TextStructureNavigator.GetNextWord(context.TextView);
if(word.HasValue)
{
if (context.TextView.GetCaretPosition().Position < word.Value.Start)
context.EditorOperations.MoveCaret(word.Value.Start);
context.EditorOperations.MakeUppercase();
for (int position = context.TextView.GetCaretPosition().Position; position < word.Value.End; position++)
{
context.EditorOperations.MakeLowercase();
}
}
}
internal override void Execute(EmacsCommandContext context)
{
var word = context.TextStructureNavigator.GetNextWord(context.TextView);
if (word.HasValue)
{
if (context.TextView.GetCaretPosition().Position < word.Value.Start)
{
context.EditorOperations.MoveCaret(word.Value.Start);
}
context.EditorOperations.MakeUppercase();
for (int position = context.TextView.GetCaretPosition().Position; position < word.Value.End; position++)
{
context.EditorOperations.MakeLowercase();
}
}
}
internal override void Execute(EmacsCommandContext context)
{
// Save the line number before applying the break command
var lineNumber = context.TextView.TextViewLines.IndexOf(context.TextView.Caret.ContainingTextViewLine);
// Execute the VS break command to support the commit of intellisense session
context.CommandRouter.ExecuteDTECommand(VsCommands.BreakLineCommandName);
// Check if the break command has changed the caret position.
// If the caret position has not changed it means that someone else
// has executed the break line command. For example: comitting an
// intellisense session.
if (lineNumber != context.TextView.TextViewLines.IndexOf(context.TextView.Caret.ContainingTextViewLine))
{
// Ensure the caret is at the beginning of the inserted line
context.EditorOperations.MoveToStartOfLine();
}
}
internal override void Execute(EmacsCommandContext context)
{
// Save the line number before applying the break command
var lineNumber = context.TextView.TextViewLines.IndexOf(context.TextView.Caret.ContainingTextViewLine);
// Execute the VS break command to support the commit of intellisense session
context.CommandRouter.ExecuteDTECommand(VsCommands.BreakLineCommandName);
// Check if the break command has changed the caret position.
// If the caret position has not changed it means that someone else
// has executed the break line command. For example: comitting an
// intellisense session.
if (lineNumber != context.TextView.TextViewLines.IndexOf(context.TextView.Caret.ContainingTextViewLine))
{
// Ensure the caret is at the beginning of the inserted line
context.EditorOperations.MoveToStartOfLine();
}
}
internal override void Execute(EmacsCommandContext context)
{
SnapshotSpan? word = null;
for (var counter = context.Manager.GetUniversalArgumentOrDefault(1); counter > 0; counter--)
{
if (word.HasValue)
word = context.TextStructureNavigator.GetPreviousWord(word.Value.Start);
else
word = context.TextStructureNavigator.GetPreviousWord(context.TextView);
}
if (word.HasValue)
{
var caretPosition = context.TextView.GetCaretPosition();
context.EditorOperations.Delete(word.Value.Start, caretPosition - word.Value.Start);
}
}
internal override void Execute(EmacsCommandContext context)
{
var caretPosition = context.TextView.GetCaretPosition().Position;
if (caretPosition > 0)
{
if (context.TextBuffer.CurrentSnapshot.GetText(context.TextView.GetCaretPosition() - 1, 1) == "\t")
{
context.TextView.Selection.Select(new Text.SnapshotSpan(context.TextView.TextSnapshot, new Span(caretPosition - 1, 1)), false);
context.EditorOperations.ConvertTabsToSpaces();
context.MarkSession.Deactivate();
context.EditorOperations.Backspace();
}
else
{
context.EditorOperations.Backspace();
}
}
}
internal override void Execute(EmacsCommandContext context)
{
var caretPosition = context.TextView.GetCaretPosition().Position;
if (caretPosition > 0)
{
if (context.TextBuffer.CurrentSnapshot.GetText(context.TextView.GetCaretPosition() - 1, 1) == "\t")
{
context.TextView.Selection.Select(new Text.SnapshotSpan(context.TextView.TextSnapshot, new Span(caretPosition - 1, 1)), false);
context.EditorOperations.ConvertTabsToSpaces();
context.MarkSession.Deactivate();
context.EditorOperations.Backspace();
}
else
{
context.EditorOperations.Backspace();
}
}
}
internal override void Execute(EmacsCommandContext context)
{
ITextSelection textSelection = context.TextView.Selection;
if (!textSelection.IsEmpty)
{
// Don't support addition of box selection to the clipboard ring yet
if (textSelection.Mode == TextSelectionMode.Stream)
{
context.Manager.ClipboardRing.Add(textSelection.StreamSelectionSpan.GetText());
}
context.CommandRouter.ExecuteDTECommand("Edit.Cut");
}
else
{
context.Manager.UpdateStatus(Resources.OperationCannotBePerformedWithoutTextSelection);
}
}
internal override void Execute(EmacsCommandContext context)
{
ITextSelection textSelection = context.TextView.Selection;
if (!textSelection.IsEmpty)
{
// Don't support addition of box selection to the clipboard ring yet
if (textSelection.Mode == TextSelectionMode.Stream)
{
context.Manager.ClipboardRing.Add(textSelection.StreamSelectionSpan.GetText());
}
context.CommandRouter.ExecuteDTECommand("Edit.Cut");
}
else
{
context.Manager.UpdateStatus(Resources.OperationCannotBePerformedWithoutTextSelection);
}
}
internal override void Execute(EmacsCommandContext context)
{
ITextSelection textSelection = context.TextView.Selection;
if (!textSelection.IsEmpty)
{
// Don't support addition of box selection to the clipboard ring yet
if (textSelection.Mode == TextSelectionMode.Stream)
{
context.Manager.ClipboardRing.Add(textSelection.StreamSelectionSpan.GetText());
}
context.CommandRouter.ExecuteDTECommand("Edit.Copy");
}
else
{
context.Manager.UpdateStatus("The region is not active");
}
}
internal override void Execute(EmacsCommandContext context)
{
ITextSelection textSelection = context.TextView.Selection;
if (!textSelection.IsEmpty)
{
// Don't support addition of box selection to the clipboard ring yet
if (textSelection.Mode == TextSelectionMode.Stream)
{
context.Manager.ClipboardRing.Add(textSelection.StreamSelectionSpan.GetText());
}
context.CommandRouter.ExecuteDTECommand("Edit.Copy");
}
else
{
context.Manager.UpdateStatus("The region is not active");
}
}
internal override void ExecuteInverse(EmacsCommandContext context)
{
var word = context.TextStructureNavigator.GetPreviousWord(context.TextView);
if (word.HasValue)
{
if (context.TextView.GetCaretPosition().Position > word.Value.End)
context.EditorOperations.MoveCaret(word.Value.End);
var wordStart = word.Value.Start.Position;
for (int position = context.TextView.GetCaretPosition().Position - 1; position > wordStart; position--)
{
context.EditorOperations.MoveCaret(position);
context.EditorOperations.MakeLowercase();
}
context.EditorOperations.MoveCaret(wordStart);
context.EditorOperations.MakeUppercase();
context.EditorOperations.MoveCaret(wordStart);
}
}
internal override void Execute(EmacsCommandContext context)
{
SnapshotSpan?word = null;
for (var counter = context.Manager.GetUniversalArgumentOrDefault(1); counter > 0; counter--)
{
if (word.HasValue)
{
word = context.TextStructureNavigator.GetPreviousWord(word.Value.Start);
}
else
{
word = context.TextStructureNavigator.GetPreviousWord(context.TextView);
}
}
if (word.HasValue)
{
var caretPosition = context.TextView.GetCaretPosition();
context.EditorOperations.Delete(word.Value.Start, caretPosition - word.Value.Start);
}
}
internal override void Execute(EmacsCommandContext context)
{
// TODO: Add universal argument support (P3?)
//From the gnu-emacs manual (I think this is P3 since most people don’t know about it, and it is rarely used):
//Another way to do scrolling is with C-l with a numeric argument. C-l does not clear the screen when given an argument; it only scrolls the selected window. With a positive argument n, it repositions text to put point n lines down from the top. An argument of zero puts point on the very top line. Point does not move with respect to the text; rather, the text and point move rigidly on the screen. C-l with a negative argument puts point that many lines from the bottom of the window. For example, C-u - 1 C-l puts point on the bottom line, and C-u - 5 C-l puts it five lines from the bottom. Just C-u as argument, as in C-u C-l, scrolls point to the center of the selected window.
//If the prefix arg is greater than the display lines of the window, just go that many lines down and redisplay.
if (context.Manager.UniversalArgument.HasValue)
{
var repeat = context.Manager.UniversalArgument.Value;
context.EditorOperations.ScrollLineTop();
for (int i = 0; i < repeat; i++)
{
context.EditorOperations.ScrollUpAndMoveCaretIfNecessary();
}
}
else
{
context.EditorOperations.ScrollLineCenter();
}
}
internal override void Execute(EmacsCommandContext context)
{
// TODO: Add universal argument support (P3?)
//From the gnu-emacs manual (I think this is P3 since most people don’t know about it, and it is rarely used):
//Another way to do scrolling is with C-l with a numeric argument. C-l does not clear the screen when given an argument; it only scrolls the selected window. With a positive argument n, it repositions text to put point n lines down from the top. An argument of zero puts point on the very top line. Point does not move with respect to the text; rather, the text and point move rigidly on the screen. C-l with a negative argument puts point that many lines from the bottom of the window. For example, C-u - 1 C-l puts point on the bottom line, and C-u - 5 C-l puts it five lines from the bottom. Just C-u as argument, as in C-u C-l, scrolls point to the center of the selected window.
//If the prefix arg is greater than the display lines of the window, just go that many lines down and redisplay.
if (context.Manager.UniversalArgument.HasValue)
{
var repeat = context.Manager.UniversalArgument.Value;
context.EditorOperations.ScrollLineTop();
for (int i = 0; i < repeat; i++)
{
context.EditorOperations.ScrollUpAndMoveCaretIfNecessary();
}
}
else
{
context.EditorOperations.ScrollLineCenter();
}
}
internal override void ExecuteInverse(EmacsCommandContext context)
{
var word = context.TextStructureNavigator.GetPreviousWord(context.TextView);
if (word.HasValue)
{
if (context.TextView.GetCaretPosition().Position > word.Value.End)
{
context.EditorOperations.MoveCaret(word.Value.End);
}
var wordStart = word.Value.Start.Position;
for (int position = context.TextView.GetCaretPosition().Position - 1; position > wordStart; position--)
{
context.EditorOperations.MoveCaret(position);
context.EditorOperations.MakeLowercase();
}
context.EditorOperations.MoveCaret(wordStart);
context.EditorOperations.MakeUppercase();
context.EditorOperations.MoveCaret(wordStart);
}
}
internal override void Execute(EmacsCommandContext context)
{
ITextSelection selection = context.TextView.Selection;
bool trackCaret = true;
bool markSessionActive = context.MarkSession.IsActive;
// Return immediately if the buffer is read-only.
if (context.TextBuffer.IsReadOnly(selection.Start.Position.GetContainingLine().Extent))
{
return;
}
// If there's not a multi-line selection, then clear it and setup for line indentation
if (!selection.IsEmpty)
{
if (selection.Mode == TextSelectionMode.Box)
{
return;
}
else
{
VirtualSnapshotSpan selectionSpan = selection.StreamSelectionSpan;
if (selectionSpan.Start.Position.GetContainingLine().LineNumber != selectionSpan.End.Position.GetContainingLine().LineNumber)
{
return;
}
selection.Clear();
// Since there was a selection on the line before the format, we are not obligated to place the caret at a specific place
// after the format operation is done
trackCaret = false;
}
}
// Strip any existing whitespace to setup the line for formatting
this.StripWhiteSpace(context.TextView.GetCaretPosition().GetContainingLine());
int? indentation = context.Manager.SmartIndentationService.GetDesiredIndentation(context.TextView, context.TextView.GetCaretPosition().GetContainingLine());
if (indentation.HasValue)
{
// Insert the desired indentation level
context.TextBuffer.Insert(context.TextView.GetCaretPosition().GetContainingLine().Start, new string(' ', indentation.Value));
// Finally, are any tab/spaces conversions necessary?
if (!context.TextView.Options.IsConvertTabsToSpacesEnabled())
{
context.EditorOperations.ConvertSpacesToTabs();
}
}
else
{
// We couldn't find any indentation level for the line, try executing the format command as the last resort
// Remember caret position
int caretOffsetFromStart = 0;
if (trackCaret)
{
CaretPosition positionBeforeChange = context.TextView.Caret.Position;
context.EditorOperations.MoveToStartOfLineAfterWhiteSpace(false);
caretOffsetFromStart = positionBeforeChange.BufferPosition.Position - context.TextView.GetCaretPosition();
}
// Format
context.EditorOperations.SelectAndMoveCaret(
new VirtualSnapshotPoint(context.TextView.GetCaretPosition().GetContainingLine().Start, 0),
new VirtualSnapshotPoint(context.TextView.GetCaretPosition().GetContainingLine().End, 0));
context.CommandRouter.ExecuteDTECommand("Edit.FormatSelection");
// Move to beginning of newly indented line after format operation is done
context.EditorOperations.MoveToStartOfLineAfterWhiteSpace(false);
// Restore the position of the caret
if (caretOffsetFromStart > 0)
{
context.EditorOperations.MoveCaret(context.TextView.Caret.Position.BufferPosition + caretOffsetFromStart, false);
}
}
// Ensure we restore the state of the mark session after the formatting operation (changing selection activates
// the mark session automatically and we change the selection during our formatting operation).
if (!markSessionActive)
{
context.MarkSession.Deactivate();
}
}
internal override void Execute(EmacsCommandContext context)
{
context.MarkSession.PushMark(activateSession: false);
context.EditorOperations.MoveToEndOfDocument();
}
internal override void Execute(EmacsCommandContext context)
{
context.CommandRouter.ExecuteDTECommand(VsCommands.BreakLineCommandName);
}
internal override void Execute(EmacsCommandContext context)
{
var session = UniversalArgumentSession.GetSession(context.TextView);
session.Start();
}
internal override void ExecuteInverse(EmacsCommandContext context)
{
// do nothing
}
internal override void ExecuteInverse(EmacsCommandContext context)
{
// do nothing
}