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fakevim: fix up/down movement in the presence of real tabs

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This commit is contained in:
hjk
2010-07-06 10:12:21 +02:00
parent d3cea8a4d1
commit 2e09a8f421
1 changed files with 88 additions and 58 deletions
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146
src/plugins/fakevim/fakevimhandler.cpp
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@@ -630,19 +630,21 @@ public:
// The following use all zero-based counting.
int cursorLineOnScreen() const;
int cursorLineInDocument() const;
int physicalCursorColumnInDocument() const; // as stored in the data
int logicalCursorColumnInDocument() const; // as visible on screen
Column cursorColumnInDocument() const; // as visible on screen
int firstVisibleLineInDocument() const;
void scrollToLineInDocument(int line);
int cursorLine() const;
int physicalCursorColumn() const; // as stored in the data
int logicalCursorColumn() const; // as visible on screen
int physicalToLogicalColumn(int physical, const QString &text) const;
int logicalToPhysicalColumn(int logical, const QString &text) const;
Column cursorColumn() const; // as visible on screen
int firstVisibleLine() const;
void scrollToLine(int line);
void scrollUp(int count);
void scrollDown(int count) { scrollUp(-count); }
CursorPosition cursorPosition() const
{ return CursorPosition(position(), firstVisibleLineInDocument()); }
{ return CursorPosition(position(), firstVisibleLine()); }
void setCursorPosition(const CursorPosition &p)
{ setPosition(p.position); scrollToLineInDocument(p.scrollLine); }
{ setPosition(p.position); scrollToLine(p.scrollLine); }
// Helper functions for indenting/
bool isElectricCharacter(QChar c) const;
@@ -654,7 +656,7 @@ public:
void moveToFirstNonBlankOnLine();
void moveToTargetColumn();
void setTargetColumn() {
m_targetColumn = leftDist();
m_targetColumn = logicalCursorColumn();
m_visualTargetColumn = m_targetColumn;
//qDebug() << "TARGET: " << m_targetColumn;
}
@@ -1009,7 +1011,7 @@ EventResult FakeVimHandler::Private::handleEvent(QKeyEvent *ev)
if (m_mode == InsertMode) {
int dist = m_tc.position() - m_oldPosition;
// Try to compensate for code completion
if (dist > 0 && dist <= physicalCursorColumnInDocument()) {
if (dist > 0 && dist <= physicalCursorColumn()) {
Range range(m_oldPosition, m_tc.position());
m_lastInsertion.append(selectText(range));
}
@@ -1564,10 +1566,10 @@ void FakeVimHandler::Private::updateMiniBuffer()
emit q->commandBufferChanged(msg);
int linesInDoc = linesInDocument();
int l = cursorLineInDocument();
int l = cursorLine();
QString status;
const QString pos = QString::fromLatin1("%1,%2")
.arg(l + 1).arg(physicalCursorColumnInDocument() + 1);
.arg(l + 1).arg(physicalCursorColumn() + 1);
// FIXME: physical "-" logical
if (linesInDoc != 0) {
status = FakeVimHandler::tr("%1%2%").arg(pos, -10).arg(l * 100 / linesInDoc, 4);
@@ -1770,7 +1772,7 @@ EventResult FakeVimHandler::Private::handleCommandMode(const Input &input)
setDotCommand("%1==", count());
finishMovement();
} else if (m_submode == ZSubMode) {
//qDebug() << "Z_MODE " << cursorLineInDocument() << linesOnScreen();
//qDebug() << "Z_MODE " << cursorLine() << linesOnScreen();
if (input.isReturn() || input.is('t')) {
// Cursor line to top of window.
if (!m_mvcount.isEmpty())
@@ -2078,7 +2080,7 @@ EventResult FakeVimHandler::Private::handleCommandMode(const Input &input)
// FIXME: this should use the "scroll" option, and "count"
moveDown(linesOnScreen() / 2);
handleStartOfLine();
scrollToLineInDocument(cursorLineInDocument() - sline);
scrollToLine(cursorLine() - sline);
finishMovement();
} else if (input.is('e') || input.isShift(Key_Right)) {
m_movetype = MoveInclusive;
@@ -2300,7 +2302,7 @@ EventResult FakeVimHandler::Private::handleCommandMode(const Input &input)
enterInsertMode();
} else if (input.is('S')) {
if (!isVisualMode()) {
const int line = cursorLineInDocument() + 1;
const int line = cursorLine() + 1;
setAnchor(firstPositionInLine(line));
setPosition(lastPositionInLine(line + count() - 1));
}
@@ -2334,7 +2336,7 @@ EventResult FakeVimHandler::Private::handleCommandMode(const Input &input)
// FIXME: this should use the "scroll" option, and "count"
moveUp(linesOnScreen() / 2);
handleStartOfLine();
scrollToLineInDocument(cursorLineInDocument() - sline);
scrollToLine(cursorLine() - sline);
finishMovement();
} else if (input.is('v')) {
enterVisualMode(VisualCharMode);
@@ -2472,12 +2474,12 @@ EventResult FakeVimHandler::Private::handleCommandMode(const Input &input)
finishMovement();
} else if (input.isKey(Key_PageDown) || input.isControl('f')) {
moveDown(count() * (linesOnScreen() - 2) - cursorLineOnScreen());
scrollToLineInDocument(cursorLineInDocument());
scrollToLine(cursorLine());
handleStartOfLine();
finishMovement();
} else if (input.isKey(Key_PageUp) || input.isControl('b')) {
moveUp(count() * (linesOnScreen() - 2) + cursorLineOnScreen());
scrollToLineInDocument(cursorLineInDocument() + linesOnScreen() - 2);
scrollToLine(cursorLine() + linesOnScreen() - 2);
handleStartOfLine();
finishMovement();
} else if (input.isKey(Key_Delete)) {
@@ -2615,8 +2617,8 @@ EventResult FakeVimHandler::Private::handleInsertMode(const Input &input)
joinPreviousEditBlock();
m_justAutoIndented = 0;
if (!m_lastInsertion.isEmpty() || hasConfig(ConfigBackspace, "start")) {
const int line = cursorLineInDocument() + 1;
const Column col = cursorColumnInDocument();
const int line = cursorLine() + 1;
const Column col = cursorColumn();
QString data = lineContents(line);
const Column ind = indentation(data);
if (col.logical <= ind.logical && col.logical
@@ -2650,7 +2652,7 @@ EventResult FakeVimHandler::Private::handleInsertMode(const Input &input)
} else if (input.isKey(Key_Tab) && hasConfig(ConfigExpandTab)) {
m_justAutoIndented = 0;
const int ts = config(ConfigTabStop).toInt();
const int col = logicalCursorColumnInDocument();
const int col = logicalCursorColumn();
QString str = QString(ts - col % ts, ' ');
m_lastInsertion.append(str);
insertText(str);
@@ -2659,7 +2661,7 @@ EventResult FakeVimHandler::Private::handleInsertMode(const Input &input)
// remove one level of indentation from the current line
int shift = config(ConfigShiftWidth).toInt();
int tab = config(ConfigTabStop).toInt();
int line = cursorLineInDocument() + 1;
int line = cursorLine() + 1;
int pos = firstPositionInLine(line);
QString text = lineContents(line);
int amount = 0;
@@ -2840,14 +2842,14 @@ int FakeVimHandler::Private::readLineCode(QString &cmd)
cmd = cmd.mid(1);
if (c == '.') {
if (cmd.isEmpty())
return cursorLineInDocument() + 1;
return cursorLine() + 1;
QChar c1 = cmd.at(0);
if (c1 == '+' || c1 == '-') {
// Repeat for things like .+4
cmd = cmd.mid(1);
return cursorLineInDocument() + readLineCode(cmd);
return cursorLine() + readLineCode(cmd);
}
return cursorLineInDocument() + 1;
return cursorLine() + 1;
}
if (c == '$')
return linesInDocument();
@@ -2867,11 +2869,11 @@ int FakeVimHandler::Private::readLineCode(QString &cmd)
}
if (c == '-') {
int n = readLineCode(cmd);
return cursorLineInDocument() + 1 - (n == -1 ? 1 : n);
return cursorLine() + 1 - (n == -1 ? 1 : n);
}
if (c == '+') {
int n = readLineCode(cmd);
return cursorLineInDocument() + 1 + (n == -1 ? 1 : n);
return cursorLine() + 1 + (n == -1 ? 1 : n);
}
if (c == '\'' && !cmd.isEmpty()) {
int pos = mark(cmd.at(0).unicode());
@@ -3470,7 +3472,7 @@ void FakeVimHandler::Private::search(const SearchData &sd)
QString needle = sd.needle;
vimPatternToQtPattern(&needle, &flags);
const int oldLine = cursorLineInDocument() - cursorLineOnScreen();
const int oldLine = cursorLine() - cursorLineOnScreen();
int startPos = position();
if (sd.mustMove)
@@ -3504,8 +3506,8 @@ void FakeVimHandler::Private::search(const SearchData &sd)
EDITOR(setTextCursor(m_tc));
// Making this unconditional feels better, but is not "vim like".
if (oldLine != cursorLineInDocument() - cursorLineOnScreen())
scrollToLineInDocument(cursorLineInDocument() - linesOnScreen() / 2);
if (oldLine != cursorLine() - cursorLineOnScreen())
scrollToLine(cursorLine() - linesOnScreen() / 2);
if (incSearch && sd.highlightCursor) {
m_searchCursor = m_tc;
@@ -3669,14 +3671,19 @@ void FakeVimHandler::Private::shiftRegionLeft(int repeat)
void FakeVimHandler::Private::moveToTargetColumn()
{
const QTextBlock &block = m_tc.block();
int col = m_tc.position() - block.position();
if (col == m_targetColumn && m_targetColumn < block.length() - 2)
//Column column = cursorColumn();
//int logical = logical
int maxcol = block.length() - 2;
if (m_targetColumn == -1) {
m_tc.setPosition(block.position() + qMax(0, maxcol), MoveAnchor);
return;
//qDebug() << "CORRECTING COLUMN FROM: " << col << "TO" << m_targetColumn;
if (m_targetColumn == -1 || m_targetColumn >= block.length() - 2)
m_tc.setPosition(block.position() + qMax(0, block.length() - 2), MoveAnchor);
}
int physical = logicalToPhysicalColumn(m_targetColumn, block.text());
//qDebug() << "CORRECTING COLUMN FROM: " << logical << "TO" << m_targetColumn;
if (physical >= maxcol)
m_tc.setPosition(block.position() + qMax(0, maxcol), MoveAnchor);
else
m_tc.setPosition(block.position() + m_targetColumn, MoveAnchor);
m_tc.setPosition(block.position() + physical, MoveAnchor);
}
/* if simple is given:
@@ -3878,39 +3885,62 @@ int FakeVimHandler::Private::columnsOnScreen() const
return EDITOR(width()) / rect.width();
}
int FakeVimHandler::Private::cursorLineInDocument() const
int FakeVimHandler::Private::cursorLine() const
{
return m_tc.block().blockNumber();
}
int FakeVimHandler::Private::physicalCursorColumnInDocument() const
int FakeVimHandler::Private::physicalCursorColumn() const
{
return m_tc.position() - m_tc.block().position();
}
int FakeVimHandler::Private::logicalCursorColumnInDocument() const
int FakeVimHandler::Private::physicalToLogicalColumn
(const int physical, const QString &line) const
{
const int ncols = physicalCursorColumnInDocument();
const QString line = m_tc.block().text();
const int ts = config(ConfigTabStop).toInt();
int physical = 0;
int p = 0;
int logical = 0;
while (physical < ncols) {
QChar c = line.at(physical);
if (c == QLatin1Char(' '))
++logical;
else if (c == QLatin1Char('\t'))
while (p < physical) {
QChar c = line.at(p);
//if (c == QLatin1Char(' '))
// ++logical;
//else
if (c == QLatin1Char('\t'))
logical += ts - logical % ts;
else
break;
++physical;
++logical;
//break;
++p;
}
return logical;
}
Column FakeVimHandler::Private::cursorColumnInDocument() const
int FakeVimHandler::Private::logicalToPhysicalColumn
(const int logical, const QString &line) const
{
return Column(physicalCursorColumnInDocument(), logicalCursorColumnInDocument());
const int ts = config(ConfigTabStop).toInt();
int physical = 0;
for (int l = 0; l < logical && physical < line.size(); ++physical) {
QChar c = line.at(physical);
if (c == QLatin1Char('\t'))
l += ts - l % ts;
else
++l;
}
return physical;
}
int FakeVimHandler::Private::logicalCursorColumn() const
{
const int physical = physicalCursorColumn();
const QString line = m_tc.block().text();
return physicalToLogicalColumn(physical, line);
}
Column FakeVimHandler::Private::cursorColumn() const
{
return Column(physicalCursorColumn(), logicalCursorColumn());
}
int FakeVimHandler::Private::linesInDocument() const
@@ -3924,30 +3954,30 @@ int FakeVimHandler::Private::linesInDocument() const
return doc->lastBlock().length() <= 1 ? count - 1 : count;
}
void FakeVimHandler::Private::scrollToLineInDocument(int line)
void FakeVimHandler::Private::scrollToLine(int line)
{
// FIXME: works only for QPlainTextEdit
QScrollBar *scrollBar = EDITOR(verticalScrollBar());
//qDebug() << "SCROLL: " << scrollBar->value() << line;
scrollBar->setValue(line);
//QTC_ASSERT(firstVisibleLineInDocument() == line, /**/);
//QTC_ASSERT(firstVisibleLine() == line, /**/);
}
int FakeVimHandler::Private::firstVisibleLineInDocument() const
int FakeVimHandler::Private::firstVisibleLine() const
{
QScrollBar *scrollBar = EDITOR(verticalScrollBar());
if (0 && scrollBar->value() != cursorLineInDocument() - cursorLineOnScreen()) {
if (0 && scrollBar->value() != cursorLine() - cursorLineOnScreen()) {
qDebug() << "SCROLLBAR: " << scrollBar->value()
<< "CURSORLINE IN DOC" << cursorLineInDocument()
<< "CURSORLINE IN DOC" << cursorLine()
<< "CURSORLINE ON SCREEN" << cursorLineOnScreen();
}
//return scrollBar->value();
return cursorLineInDocument() - cursorLineOnScreen();
return cursorLine() - cursorLineOnScreen();
}
void FakeVimHandler::Private::scrollUp(int count)
{
scrollToLineInDocument(cursorLineInDocument() - cursorLineOnScreen() - count);
scrollToLine(cursorLine() - cursorLineOnScreen() - count);
}
int FakeVimHandler::Private::lastPositionInDocument() const