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fakevim: create a document() accessor function.

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This commit is contained in:
hjk
2010-09-13 14:16:18 +02:00
parent 259c0c1d8e
commit 042c9f06a5
1 changed files with 35 additions and 40 deletions
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75
src/plugins/fakevim/fakevimhandler.cpp
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@@ -51,11 +51,10 @@
// over a character. FakeVim interprets the QTextCursor to be over the character
// to the right of the QTextCursor's position().
//
// There is always a "current" cursor (m_tc). A current "region of interest"
// A current "region of interest"
// spans between m_anchor (== anchor()), i.e. the character below anchor()), and
// m_tc.position() (== position()). The character below position() is not included
// m_position(). The character below position() is not included
// if the last movement command was exclusive (MoveExclusive).
// The value of m_tc.anchor() is not used.
//
#include "fakevimhandler.h"
@@ -98,7 +97,7 @@
//#define DEBUG_UNDO 1
#if DEBUG_UNDO
# define UNDO_DEBUG(s) qDebug() << << m_tc.document()->availableUndoSteps() << s
# define UNDO_DEBUG(s) qDebug() << << document()->availableUndoSteps() << s
#else
# define UNDO_DEBUG(s)
#endif
@@ -708,8 +707,9 @@ public:
void updateSelection();
void updateCursor();
QWidget *editor() const;
QTextDocument *document() const { return EDITOR(document()); }
QChar characterAtCursor() const
{ return m_tc.document()->characterAt(m_tc.position()); }
{ return document()->characterAt(m_tc.position()); }
void beginEditBlock() { UNDO_DEBUG("BEGIN EDIT BLOCK"); m_tc.beginEditBlock(); }
void beginEditBlock(int pos) { setUndoPosition(pos); beginEditBlock(); }
void endEditBlock() { UNDO_DEBUG("END EDIT BLOCK"); m_tc.endEditBlock(); }
@@ -1303,7 +1303,7 @@ void FakeVimHandler::Private::stopIncrementalFind()
void FakeVimHandler::Private::setUndoPosition(int pos)
{
//qDebug() << " CURSOR POS: " << m_undoCursorPosition;
m_undoCursorPosition[m_tc.document()->availableUndoSteps()] = pos;
m_undoCursorPosition[document()->availableUndoSteps()] = pos;
}
void FakeVimHandler::Private::setAnchor()
@@ -1323,9 +1323,9 @@ void FakeVimHandler::Private::moveDown(int n)
m_tc.movePosition(Down, MoveAnchor, n);
#else
const int col = m_tc.position() - m_tc.block().position();
const int lastLine = m_tc.document()->lastBlock().blockNumber();
const int lastLine = document()->lastBlock().blockNumber();
const int targetLine = qMax(0, qMin(lastLine, m_tc.block().blockNumber() + n));
const QTextBlock &block = m_tc.document()->findBlockByNumber(targetLine);
const QTextBlock &block = document()->findBlockByNumber(targetLine);
const int pos = block.position();
setPosition(pos + qMax(0, qMin(block.length() - 2, col)));
moveToTargetColumn();
@@ -3606,7 +3606,6 @@ void FakeVimHandler::Private::searchBalanced(bool forward, QChar needle, QChar o
int level = 1;
int pos = m_tc.position();
const int npos = forward ? lastPositionInDocument() : 0;
QTextDocument *doc = m_tc.document();
while (true) {
if (forward)
++pos;
@@ -3614,7 +3613,7 @@ void FakeVimHandler::Private::searchBalanced(bool forward, QChar needle, QChar o
--pos;
if (pos == npos)
return;
QChar c = doc->characterAt(pos);
QChar c = document()->characterAt(pos);
if (c == other)
++level;
else if (c == needle)
@@ -3656,10 +3655,10 @@ void FakeVimHandler::Private::search(const SearchData &sd)
m_searchCursor = QTextCursor();
QRegExp needleExp(needle);
QTextCursor tc = m_tc.document()->find(needleExp, startPos, flags);
QTextCursor tc = document()->find(needleExp, startPos, flags);
if (tc.isNull()) {
int startPos = sd.forward ? 0 : lastPositionInDocument();
tc = m_tc.document()->find(needleExp, startPos, flags);
tc = document()->find(needleExp, startPos, flags);
if (tc.isNull()) {
if (!incSearch) {
highlightMatches(QString());
@@ -3733,7 +3732,7 @@ void FakeVimHandler::Private::highlightMatches(const QString &needle0)
void FakeVimHandler::Private::moveToFirstNonBlankOnLine()
{
QTextDocument *doc = m_tc.document();
QTextDocument *doc = document();
const QTextBlock &block = m_tc.block();
int firstPos = block.position();
for (int i = firstPos, n = firstPos + block.length(); i < n; ++i) {
@@ -3924,7 +3923,7 @@ void FakeVimHandler::Private::setupCharClass()
void FakeVimHandler::Private::moveToWordBoundary(bool simple, bool forward, bool changeWord)
{
int repeat = count();
QTextDocument *doc = m_tc.document();
QTextDocument *doc = document();
int n = forward ? lastPositionInDocument() : 0;
int lastClass = -1;
if (changeWord) {
@@ -3960,7 +3959,7 @@ bool FakeVimHandler::Private::handleFfTt(QString key)
// m_subsubmode \in { 'f', 'F', 't', 'T' }
bool forward = m_subsubdata.is('f') || m_subsubdata.is('t');
int repeat = count();
QTextDocument *doc = m_tc.document();
QTextDocument *doc = document();
QTextBlock block = m_tc.block();
int n = block.position();
if (forward)
@@ -4126,11 +4125,10 @@ int FakeVimHandler::Private::linesInDocument() const
{
if (m_tc.isNull())
return 0;
const QTextDocument *doc = m_tc.document();
const int count = doc->blockCount();
const int count = document()->blockCount();
// Qt inserts an empty line if the last character is a '\n',
// but that's not how vi does it.
return doc->lastBlock().length() <= 1 ? count - 1 : count;
return document()->lastBlock().length() <= 1 ? count - 1 : count;
}
void FakeVimHandler::Private::scrollToLine(int line)
@@ -4161,7 +4159,7 @@ void FakeVimHandler::Private::scrollUp(int count)
int FakeVimHandler::Private::lastPositionInDocument() const
{
QTextBlock block = m_tc.document()->lastBlock();
QTextBlock block = document()->lastBlock();
return block.position() + block.length() - 1;
}
@@ -4177,7 +4175,7 @@ QString FakeVimHandler::Private::selectText(const Range &range) const
QTextCursor tc = m_tc;
int firstPos = firstPositionInLine(lineForPosition(range.beginPos));
int lastLine = lineForPosition(range.endPos);
int lastPos = lastLine == m_tc.document()->lastBlock().blockNumber() + 1
int lastPos = lastLine == document()->lastBlock().blockNumber() + 1
? lastPositionInDocument() : firstPositionInLine(lastLine + 1);
tc.setPosition(firstPos, MoveAnchor);
tc.setPosition(lastPos, KeepAnchor);
@@ -4196,7 +4194,7 @@ QString FakeVimHandler::Private::selectText(const Range &range) const
}
int len = endColumn - beginColumn + 1;
QString contents;
QTextBlock block = m_tc.document()->findBlockByNumber(beginLine - 1);
QTextBlock block = document()->findBlockByNumber(beginLine - 1);
for (int i = beginLine; i <= endLine && block.isValid(); ++i) {
QString line = block.text();
if (range.rangemode == RangeBlockMode) {
@@ -4281,7 +4279,7 @@ void FakeVimHandler::Private::transformText(const Range &range,
int endColumn = qMax(column1, column2);
if (range.rangemode == RangeBlockAndTailMode)
endColumn = INT_MAX - 1;
QTextBlock block = m_tc.document()->findBlockByNumber(endLine - 1);
QTextBlock block = document()->findBlockByNumber(endLine - 1);
beginEditBlock(range.beginPos);
for (int i = beginLine; i <= endLine && block.isValid(); ++i) {
int bCol = qMin(beginColumn, block.length() - 1);
@@ -4473,12 +4471,12 @@ void FakeVimHandler::Private::fixMarks(int from, int delta)
QString FakeVimHandler::Private::lineContents(int line) const
{
return m_tc.document()->findBlockByNumber(line - 1).text();
return document()->findBlockByNumber(line - 1).text();
}
void FakeVimHandler::Private::setLineContents(int line, const QString &contents)
{
QTextBlock block = m_tc.document()->findBlockByNumber(line - 1);
QTextBlock block = document()->findBlockByNumber(line - 1);
QTextCursor tc = m_tc;
const int begin = block.position();
const int len = block.length();
@@ -4491,12 +4489,12 @@ void FakeVimHandler::Private::setLineContents(int line, const QString &contents)
int FakeVimHandler::Private::firstPositionInLine(int line) const
{
return m_tc.document()->findBlockByNumber(line - 1).position();
return document()->findBlockByNumber(line - 1).position();
}
int FakeVimHandler::Private::lastPositionInLine(int line) const
{
QTextBlock block = m_tc.document()->findBlockByNumber(line - 1);
QTextBlock block = document()->findBlockByNumber(line - 1);
return block.position() + block.length() - 1;
}
@@ -4540,16 +4538,15 @@ QWidget *FakeVimHandler::Private::editor() const
void FakeVimHandler::Private::undo()
{
//qDebug() << " CURSOR POS: " << m_undoCursorPosition;
QTextDocument *doc = m_tc.document();
// FIXME: That's only an approximaxtion. The real solution might
// be to store marks and old userData with QTextBlock setUserData
// and retrieve them afterward.
const int current = doc->availableUndoSteps();
const int oldCount = doc->characterCount();
const int current = document()->availableUndoSteps();
const int oldCount = document()->characterCount();
EDITOR(undo());
const int delta = doc->characterCount() - oldCount;
const int delta = document()->characterCount() - oldCount;
fixMarks(position(), delta);
const int rev = doc->availableUndoSteps();
const int rev = document()->availableUndoSteps();
if (current == rev)
showBlackMessage(FakeVimHandler::tr("Already at oldest change"));
else
@@ -4564,13 +4561,12 @@ void FakeVimHandler::Private::undo()
void FakeVimHandler::Private::redo()
{
QTextDocument *doc = m_tc.document();
const int current = m_tc.document()->availableUndoSteps();
const int oldCount = doc->characterCount();
const int current = document()->availableUndoSteps();
const int oldCount = document()->characterCount();
EDITOR(redo());
const int delta = doc->characterCount() - oldCount;
const int delta = document()->characterCount() - oldCount;
fixMarks(position(), delta);
const int rev = doc->availableUndoSteps();
const int rev = document()->availableUndoSteps();
if (rev == current)
showBlackMessage(FakeVimHandler::tr("Already at newest change"));
else
@@ -4765,17 +4761,16 @@ void FakeVimHandler::Private::selectParagraphTextObject(bool inner)
void FakeVimHandler::Private::selectBlockTextObject(bool inner, char left, char right)
{
QTextDocument *doc = m_tc.document();
QString sleft = QString(QLatin1Char(left));
QString sright = QString(QLatin1Char(right));
QTextCursor tc2 = doc->find(sright, m_tc);
QTextCursor tc2 = document()->find(sright, m_tc);
if (tc2.isNull())
return;
QTextCursor tc1 = doc->find(sleft, m_tc, QTextDocument::FindBackward);
QTextCursor tc1 = document()->find(sleft, m_tc, QTextDocument::FindBackward);
if (tc1.isNull())
return;
int p1 = tc1.position() + inner - sleft.size();
if (inner && m_tc.document()->characterAt(p1) == ParagraphSeparator)
if (inner && document()->characterAt(p1) == ParagraphSeparator)
++p1;
const int p2 = tc2.position() - inner - sright.size();
setMark('>', p1);