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fakevim: fix backspace in the presence of physical tabs

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(cherry picked from commit 2b40e2906fc070c6253a84c0ca507ff0db912f73)
This commit is contained in:
hjk
2010-07-06 16:17:27 +02:00
parent cd433a52de
commit 312509fcdb
1 changed files with 14 additions and 7 deletions
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21
src/plugins/fakevim/fakevimhandler.cpp
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@@ -232,6 +232,11 @@ struct Column
int logical; // Column on screen.
};
QDebug operator<<(QDebug ts, const Column &col)
{
return ts << "(p: " << col.physical << ", l: " << col.logical << ")";
}
struct CursorPosition
{
// for jump history
@@ -2619,11 +2624,11 @@ EventResult FakeVimHandler::Private::handleInsertMode(const Input &input)
if (col.logical <= ind.logical && col.logical
&& startsWithWhitespace(data, col.physical)) {
const int ts = config(ConfigTabStop).toInt();
const int newcol = col.logical - 1 - (col.logical - 1) % ts;
data.remove(0, col.physical);
setLineContents(line, tabExpand(newcol).append(data));
const int newl = col.logical - 1 - (col.logical - 1) % ts;
const QString prefix = tabExpand(newl);
setLineContents(line, prefix + data.mid(col.physical));
moveToStartOfLine();
moveRight(newcol);
moveRight(prefix.size());
m_lastInsertion.clear(); // FIXME
} else {
m_tc.deletePreviousChar();
@@ -4303,10 +4308,12 @@ void FakeVimHandler::Private::setLineContents(int line, const QString &contents)
{
QTextBlock block = m_tc.document()->findBlockByNumber(line - 1);
QTextCursor tc = m_tc;
tc.setPosition(block.position());
tc.setPosition(block.position() + block.length() - 1, KeepAnchor);
const int begin = block.position();
const int len = block.length();
tc.setPosition(begin);
tc.setPosition(begin + len - 1, KeepAnchor);
tc.removeSelectedText();
fixMarks(block.position(), block.length() - contents.size());
fixMarks(begin, contents.size() + 1 - len);
tc.insertText(contents);
}