protected virtual Action <TextEditorData> GetInsertAction(Gdk.Key key, Gdk.ModifierType modifier)
{
return(ViActionMaps.GetInsertKeyAction(key, modifier) ??
ViActionMaps.GetDirectionKeyAction(key, modifier));
}
protected override void HandleKeypress(Gdk.Key key, uint unicodeKey, Gdk.ModifierType modifier)
{
// Reset on Esc, Ctrl-C, Ctrl-[
if (key == Gdk.Key.Escape)
{
if (currentMacro != null)
{
// Record Escapes into the macro since it actually does something
ViMacro.KeySet toAdd = new ViMacro.KeySet();
toAdd.Key = key;
toAdd.Modifiers = modifier;
toAdd.UnicodeKey = unicodeKey;
currentMacro.KeysPressed.Enqueue(toAdd);
}
Reset(string.Empty);
return;
}
else if (((key == Gdk.Key.c || key == Gdk.Key.bracketleft) && (modifier & Gdk.ModifierType.ControlMask) != 0))
{
Reset(string.Empty);
if (currentMacro != null)
{
// Otherwise remove the macro from the pool
macros.Remove(currentMacro.MacroCharacter);
currentMacro = null;
}
return;
}
else if (currentMacro != null && !((char)unicodeKey == 'q' && modifier == Gdk.ModifierType.None))
{
ViMacro.KeySet toAdd = new ViMacro.KeySet();
toAdd.Key = key;
toAdd.Modifiers = modifier;
toAdd.UnicodeKey = unicodeKey;
currentMacro.KeysPressed.Enqueue(toAdd);
}
Action <TextEditorData> action = null;
bool lineAction = false;
switch (state)
{
case State.Unknown:
Reset(string.Empty);
goto case State.Normal;
case State.Normal:
if (((modifier & (Gdk.ModifierType.ControlMask)) == 0))
{
if (key == Gdk.Key.Delete)
{
unicodeKey = 'x';
}
switch ((char)unicodeKey)
{
case '?':
case '/':
case ':':
state = State.Command;
commandBuffer.Append((char)unicodeKey);
Status = commandBuffer.ToString();
return;
case 'A':
RunAction(CaretMoveActions.LineEnd);
goto case 'i';
case 'I':
RunAction(CaretMoveActions.LineFirstNonWhitespace);
goto case 'i';
case 'a':
//use CaretMoveActions so that we can move past last character on line end
RunAction(CaretMoveActions.Right);
goto case 'i';
case 'i':
Caret.Mode = CaretMode.Insert;
Status = "-- INSERT --";
state = State.Insert;
return;
case 'R':
Caret.Mode = CaretMode.Underscore;
Status = "-- REPLACE --";
state = State.Replace;
return;
case 'V':
Status = "-- VISUAL LINE --";
Data.SetSelectLines(Caret.Line, Caret.Line);
state = State.VisualLine;
return;
case 'v':
Status = "-- VISUAL --";
state = State.Visual;
RunAction(ViActions.VisualSelectionFromMoveAction(ViActions.Right));
return;
case 'd':
Status = "d";
state = State.Delete;
return;
case 'y':
Status = "y";
state = State.Yank;
return;
case 'Y':
state = State.Yank;
HandleKeypress(Gdk.Key.y, (int)'y', Gdk.ModifierType.None);
return;
case 'O':
RunAction(ViActions.NewLineAbove);
goto case 'i';
case 'o':
RunAction(ViActions.NewLineBelow);
goto case 'i';
case 'r':
Caret.Mode = CaretMode.Underscore;
Status = "-- REPLACE --";
state = State.WriteChar;
return;
case 'c':
Caret.Mode = CaretMode.Insert;
Status = "c";
state = State.Change;
return;
case 'x':
if (Data.Caret.Column == Data.Document.GetLine(Data.Caret.Line).Length + 1)
{
return;
}
Status = string.Empty;
if (!Data.IsSomethingSelected)
{
RunActions(SelectionActions.FromMoveAction(CaretMoveActions.Right), ClipboardActions.Cut);
}
else
{
RunAction(ClipboardActions.Cut);
}
ViActions.RetreatFromLineEnd(Data);
return;
case 'X':
if (Data.Caret.Column == DocumentLocation.MinColumn)
{
return;
}
Status = string.Empty;
if (!Data.IsSomethingSelected && 0 < Caret.Offset)
{
RunActions(SelectionActions.FromMoveAction(CaretMoveActions.Left), ClipboardActions.Cut);
}
else
{
RunAction(ClipboardActions.Cut);
}
return;
case 'D':
RunActions(SelectionActions.FromMoveAction(CaretMoveActions.LineEnd), ClipboardActions.Cut);
return;
case 'C':
RunActions(SelectionActions.FromMoveAction(CaretMoveActions.LineEnd), ClipboardActions.Cut);
goto case 'i';
case '>':
Status = ">";
state = State.Indent;
return;
case '<':
Status = "<";
state = State.Unindent;
return;
case 'n':
Search();
return;
case 'N':
searchBackward = !searchBackward;
Search();
searchBackward = !searchBackward;
return;
case 'p':
PasteAfter(false);
return;
case 'P':
PasteBefore(false);
return;
case 's':
if (!Data.IsSomethingSelected)
{
RunAction(SelectionActions.FromMoveAction(CaretMoveActions.Right));
}
RunAction(ClipboardActions.Cut);
goto case 'i';
case 'S':
if (!Data.IsSomethingSelected)
{
RunAction(SelectionActions.LineActionFromMoveAction(CaretMoveActions.LineEnd));
}
else
{
Data.SetSelectLines(Data.MainSelection.Anchor.Line, Data.Caret.Line);
}
RunAction(ClipboardActions.Cut);
goto case 'i';
case 'g':
Status = "g";
state = State.G;
return;
case 'H':
Caret.Line = System.Math.Max(DocumentLocation.MinLine, Editor.PointToLocation(0, Editor.LineHeight - 1).Line);
return;
case 'J':
RunAction(ViActions.Join);
return;
case 'L':
int line = Editor.PointToLocation(0, Editor.Allocation.Height - Editor.LineHeight * 2 - 2).Line;
if (line < DocumentLocation.MinLine)
{
line = Document.LineCount;
}
Caret.Line = line;
return;
case 'M':
line = Editor.PointToLocation(0, Editor.Allocation.Height / 2).Line;
if (line < DocumentLocation.MinLine)
{
line = Document.LineCount;
}
Caret.Line = line;
return;
case '~':
RunAction(ViActions.ToggleCase);
return;
case 'z':
Status = "z";
state = State.Fold;
return;
case 'm':
Status = "m";
state = State.Mark;
return;
case '`':
Status = "`";
state = State.GoToMark;
return;
case '@':
Status = "@";
state = State.PlayMacro;
return;
case 'q':
if (currentMacro == null)
{
Status = "q";
state = State.NameMacro;
return;
}
currentMacro = null;
Reset("Macro Recorded");
return;
case '*':
SearchWordAtCaret();
return;
}
}
action = ViActionMaps.GetNavCharAction((char)unicodeKey);
if (action == null)
{
action = ViActionMaps.GetDirectionKeyAction(key, modifier);
}
if (action == null)
{
action = ViActionMaps.GetCommandCharAction((char)unicodeKey);
}
if (action != null)
{
RunAction(action);
}
//undo/redo may leave MD with a selection mode without activating visual mode
CheckVisualMode();
return;
case State.Delete:
if (((modifier & (Gdk.ModifierType.ShiftMask | Gdk.ModifierType.ControlMask)) == 0 &&
unicodeKey == 'd'))
{
action = SelectionActions.LineActionFromMoveAction(CaretMoveActions.LineEnd);
lineAction = true;
}
else
{
action = ViActionMaps.GetNavCharAction((char)unicodeKey);
if (action == null)
{
action = ViActionMaps.GetDirectionKeyAction(key, modifier);
}
if (action != null)
{
action = SelectionActions.FromMoveAction(action);
}
}
if (action != null)
{
if (lineAction)
{
RunActions(action, ClipboardActions.Cut, CaretMoveActions.LineFirstNonWhitespace);
}
else
{
RunActions(action, ClipboardActions.Cut);
}
Reset("");
}
else
{
Reset("Unrecognised motion");
}
return;
case State.Yank:
int offset = Caret.Offset;
if (((modifier & (Gdk.ModifierType.ShiftMask | Gdk.ModifierType.ControlMask)) == 0 &&
unicodeKey == 'y'))
{
action = SelectionActions.LineActionFromMoveAction(CaretMoveActions.LineEnd);
lineAction = true;
}
else
{
action = ViActionMaps.GetNavCharAction((char)unicodeKey);
if (action == null)
{
action = ViActionMaps.GetDirectionKeyAction(key, modifier);
}
if (action != null)
{
action = SelectionActions.FromMoveAction(action);
}
}
if (action != null)
{
RunAction(action);
if (Data.IsSomethingSelected && !lineAction)
{
offset = Data.SelectionRange.Offset;
}
RunAction(ClipboardActions.Copy);
Reset(string.Empty);
}
else
{
Reset("Unrecognised motion");
}
Caret.Offset = offset;
return;
case State.Change:
//copied from delete action
if (((modifier & (Gdk.ModifierType.ShiftMask | Gdk.ModifierType.ControlMask)) == 0 &&
unicodeKey == 'c'))
{
action = SelectionActions.LineActionFromMoveAction(CaretMoveActions.LineEnd);
lineAction = true;
}
else
{
action = ViActionMaps.GetEditObjectCharAction((char)unicodeKey);
if (action == null)
{
action = ViActionMaps.GetDirectionKeyAction(key, modifier);
}
if (action != null)
{
action = SelectionActions.FromMoveAction(action);
}
}
if (action != null)
{
if (lineAction)
{
RunActions(action, ClipboardActions.Cut, ViActions.NewLineAbove);
}
else
{
RunActions(action, ClipboardActions.Cut);
}
Status = "-- INSERT --";
state = State.Insert;
Caret.Mode = CaretMode.Insert;
}
else
{
Reset("Unrecognised motion");
}
return;
case State.Insert:
case State.Replace:
action = GetInsertAction(key, modifier);
if (action != null)
{
RunAction(action);
}
else if (unicodeKey != 0)
{
InsertCharacter(unicodeKey);
}
return;
case State.VisualLine:
if (key == Gdk.Key.Delete)
{
unicodeKey = 'x';
}
switch ((char)unicodeKey)
{
case 'p':
PasteAfter(true);
return;
case 'P':
PasteBefore(true);
return;
}
action = ViActionMaps.GetNavCharAction((char)unicodeKey);
if (action == null)
{
action = ViActionMaps.GetDirectionKeyAction(key, modifier);
}
if (action == null)
{
action = ViActionMaps.GetCommandCharAction((char)unicodeKey);
}
if (action != null)
{
RunAction(SelectionActions.LineActionFromMoveAction(action));
return;
}
ApplyActionToSelection(modifier, unicodeKey);
return;
case State.Visual:
if (key == Gdk.Key.Delete)
{
unicodeKey = 'x';
}
switch ((char)unicodeKey)
{
case 'p':
PasteAfter(false);
return;
case 'P':
PasteBefore(false);
return;
}
action = ViActionMaps.GetNavCharAction((char)unicodeKey);
if (action == null)
{
action = ViActionMaps.GetDirectionKeyAction(key, modifier);
}
if (action == null)
{
action = ViActionMaps.GetCommandCharAction((char)unicodeKey);
}
if (action != null)
{
RunAction(ViActions.VisualSelectionFromMoveAction(action));
return;
}
ApplyActionToSelection(modifier, unicodeKey);
return;
case State.Command:
switch (key)
{
case Gdk.Key.Return:
case Gdk.Key.KP_Enter:
Status = RunExCommand(commandBuffer.ToString());
commandBuffer.Length = 0;
state = State.Normal;
break;
case Gdk.Key.BackSpace:
case Gdk.Key.Delete:
case Gdk.Key.KP_Delete:
if (0 < commandBuffer.Length)
{
commandBuffer.Remove(commandBuffer.Length - 1, 1);
Status = commandBuffer.ToString();
if (0 == commandBuffer.Length)
{
Reset(Status);
}
}
break;
default:
if (unicodeKey != 0)
{
commandBuffer.Append((char)unicodeKey);
Status = commandBuffer.ToString();
}
break;
}
return;
case State.WriteChar:
if (unicodeKey != 0)
{
RunAction(SelectionActions.StartSelection);
int roffset = Data.SelectionRange.Offset;
InsertCharacter((char)unicodeKey);
Reset(string.Empty);
Caret.Offset = roffset;
}
else
{
Reset("Keystroke was not a character");
}
return;
case State.Indent:
if (((modifier & (Gdk.ModifierType.ControlMask)) == 0 && unicodeKey == '>'))
{
RunAction(MiscActions.IndentSelection);
Reset("");
return;
}
action = ViActionMaps.GetNavCharAction((char)unicodeKey);
if (action == null)
{
action = ViActionMaps.GetDirectionKeyAction(key, modifier);
}
if (action != null)
{
RunActions(SelectionActions.FromMoveAction(action), MiscActions.IndentSelection);
Reset("");
}
else
{
Reset("Unrecognised motion");
}
return;
case State.Unindent:
if (((modifier & (Gdk.ModifierType.ControlMask)) == 0 && ((char)unicodeKey) == '<'))
{
RunAction(MiscActions.RemoveIndentSelection);
Reset("");
return;
}
action = ViActionMaps.GetNavCharAction((char)unicodeKey);
if (action == null)
{
action = ViActionMaps.GetDirectionKeyAction(key, modifier);
}
if (action != null)
{
RunActions(SelectionActions.FromMoveAction(action), MiscActions.RemoveIndentSelection);
Reset("");
}
else
{
Reset("Unrecognised motion");
}
return;
case State.G:
if (((modifier & (Gdk.ModifierType.ControlMask)) == 0))
{
switch ((char)unicodeKey)
{
case 'g':
Caret.Offset = 0;
Reset("");
return;
}
}
Reset("Unknown command");
return;
case State.Mark: {
char k = (char)unicodeKey;
ViMark mark = null;
if (!char.IsLetterOrDigit(k))
{
Reset("Invalid Mark");
return;
}
if (marks.ContainsKey(k))
{
mark = marks [k];
}
else
{
mark = new ViMark(k);
marks [k] = mark;
}
RunAction(mark.SaveMark);
Reset("");
return;
}
case State.NameMacro: {
char k = (char)unicodeKey;
if (!char.IsLetterOrDigit(k))
{
Reset("Invalid Macro Name");
return;
}
currentMacro = new ViMacro(k);
currentMacro.KeysPressed = new Queue <ViMacro.KeySet> ();
macros [k] = currentMacro;
Reset("");
return;
}
case State.PlayMacro: {
char k = (char)unicodeKey;
if (k == '@')
{
k = macros_lastplayed;
}
if (macros.ContainsKey(k))
{
Reset("");
macros_lastplayed = k; // FIXME play nice when playing macros from inside macros?
ViMacro macroToPlay = macros [k];
foreach (ViMacro.KeySet keySet in macroToPlay.KeysPressed)
{
HandleKeypress(keySet.Key, keySet.UnicodeKey, keySet.Modifiers); // FIXME stop on errors? essential with multipliers and nowrapscan
}
/* Once all the keys have been played back, quickly exit. */
return;
}
else
{
Reset("Invalid Macro Name '" + k + "'");
return;
}
}
case State.GoToMark: {
char k = (char)unicodeKey;
if (marks.ContainsKey(k))
{
RunAction(marks [k].LoadMark);
Reset("");
}
else
{
Reset("Unknown Mark");
}
return;
}
case State.Fold:
if (((modifier & (Gdk.ModifierType.ControlMask)) == 0))
{
switch ((char)unicodeKey)
{
case 'A':
// Recursive fold toggle
action = FoldActions.ToggleFoldRecursive;
break;
case 'C':
// Recursive fold close
action = FoldActions.CloseFoldRecursive;
break;
case 'M':
// Close all folds
action = FoldActions.CloseAllFolds;
break;
case 'O':
// Recursive fold open
action = FoldActions.OpenFoldRecursive;
break;
case 'R':
// Expand all folds
action = FoldActions.OpenAllFolds;
break;
case 'a':
// Fold toggle
action = FoldActions.ToggleFold;
break;
case 'c':
// Fold close
action = FoldActions.CloseFold;
break;
case 'o':
// Fold open
action = FoldActions.OpenFold;
break;
default:
Reset("Unknown command");
break;
}
if (null != action)
{
RunAction(action);
Reset(string.Empty);
}
}
return;
}
}
protected virtual Action <TextEditorData> GetInsertAction(Key key, Xwt.ModifierKeys modifier)
{
return(ViActionMaps.GetInsertKeyAction(key, modifier) ??
ViActionMaps.GetDirectionKeyAction(key, modifier));
}