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fakevim: fix undo of 'J'

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This commit is contained in:
hjk
2009-01-16 13:10:42 +01:00
parent 906a05bc17
commit b75fa636d8
2 changed files with 56 additions and 13 deletions
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63
src/plugins/fakevim/fakevimhandler.cpp
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@@ -254,11 +254,18 @@ public:
void recordRemove(int position, const QString &data);
void recordRemove(int position, int length);
void recordMove(int position, int nestedCount);
void removeSelectedText(QTextCursor &tc);
void recordRemoveNextChar();
void recordInsertText(const QString &data);
void recordRemoveSelectedText();
void recordBeginGroup();
void recordEndGroup();
void undo();
void redo();
QStack<EditOperation> m_undoStack;
QStack<EditOperation> m_redoStack;
QStack<int> m_undoGroupStack;
// extra data for '.'
QString m_dotCount;
@@ -394,7 +401,7 @@ void FakeVimHandler::Private::finishMovement(const QString &dotCommand)
if (!dotCommand.isEmpty())
m_dotCommand = "c" + dotCommand;
m_registers[m_register] = m_tc.selectedText();
removeSelectedText(m_tc);
recordRemoveSelectedText();
m_mode = InsertMode;
m_submode = NoSubMode;
} else if (m_submode == DeleteSubMode) {
@@ -402,7 +409,7 @@ void FakeVimHandler::Private::finishMovement(const QString &dotCommand)
m_dotCommand = "d" + dotCommand;
recordRemove(qMin(m_tc.position(), m_tc.anchor()), m_tc.selectedText());
m_registers[m_register] = m_tc.selectedText();
removeSelectedText(m_tc);
recordRemoveSelectedText();
m_submode = NoSubMode;
if (atEol())
m_tc.movePosition(Left, MoveAnchor, 1);
@@ -725,7 +732,7 @@ bool FakeVimHandler::Private::handleCommandMode(int key, int unmodified,
int beginLine = lineForPosition(m_marks['<']);
int endLine = lineForPosition(m_marks['>']);
m_tc = selectRange(beginLine, endLine);
removeSelectedText(m_tc);
recordRemoveSelectedText();
} else if (key == 'D') {
m_submode = DeleteSubMode;
m_tc.movePosition(Down, KeepAnchor, qMax(count() - 1, 0));
@@ -772,27 +779,29 @@ bool FakeVimHandler::Private::handleCommandMode(int key, int unmodified,
moveToFirstNonBlankOnLine();
} else if (key == 'j' || key == Key_Down) {
int savedColumn = m_desiredColumn;
if (m_submode == NoSubMode || m_submode == ZSubMode || m_submode == RegisterSubMode) {
if (m_submode == NoSubMode || m_submode == ZSubMode
|| m_submode == RegisterSubMode) {
m_tc.movePosition(Down, KeepAnchor, count());
moveToDesiredColumn();
} else {
m_tc.movePosition(StartOfLine, MoveAnchor);
m_tc.movePosition(Down, KeepAnchor, count()+1);
m_tc.movePosition(Down, KeepAnchor, count() + 1);
}
finishMovement();
m_desiredColumn = savedColumn;
} else if (key == 'J') {
EditOperation op;
recordBeginGroup();
if (m_submode == NoSubMode) {
for (int i = qMax(count(), 2) - 1; --i >= 0; ) {
m_tc.movePosition(EndOfLine);
m_tc.deleteChar();
recordRemoveNextChar();
if (!m_gflag)
m_tc.insertText(" ");
recordInsertText(" ");
}
if (!m_gflag)
m_tc.movePosition(Left, MoveAnchor, 1);
}
recordEndGroup();
} else if (key == 'k' || key == Key_Up) {
int savedColumn = m_desiredColumn;
if (m_submode == NoSubMode || m_submode == ZSubMode || m_submode == RegisterSubMode) {
@@ -1707,13 +1716,41 @@ void FakeVimHandler::Private::redo()
#endif
}
void FakeVimHandler::Private::removeSelectedText(QTextCursor &tc)
void FakeVimHandler::Private::recordBeginGroup()
{
m_undoGroupStack.push(m_undoStack.size());
}
void FakeVimHandler::Private::recordEndGroup()
{
EditOperation op;
op.m_position = qMin(tc.position(), tc.anchor());
op.m_from = tc.selection().toPlainText();
op.m_itemCount = m_undoStack.size() - m_undoGroupStack.pop();
recordOperation(op);
tc.removeSelectedText();
}
void FakeVimHandler::Private::recordRemoveSelectedText()
{
EditOperation op;
op.m_position = qMin(m_tc.position(), m_tc.anchor());
op.m_from = m_tc.selection().toPlainText();
recordOperation(op);
m_tc.removeSelectedText();
}
void FakeVimHandler::Private::recordRemoveNextChar()
{
m_tc.setPosition(m_tc.position(), MoveAnchor);
m_tc.movePosition(Right, KeepAnchor);
recordRemoveSelectedText();
}
void FakeVimHandler::Private::recordInsertText(const QString &data)
{
EditOperation op;
op.m_position = m_tc.position();
op.m_to = data;
recordOperation(op);
m_tc.insertText(data);
}
void FakeVimHandler::Private::recordOperation(const EditOperation &op)