Commit 9e5e5d1d authored by hjk's avatar hjk Committed by Roberto Raggi
Browse files

partially implement 'w' and 'W' movement

parent 21787ca4
......@@ -111,6 +111,8 @@ public:
int rightDist() const { return m_tc.block().length() - leftDist() - 1; }
bool atEol() const { return m_tc.atBlockEnd() && m_tc.block().length()>1; }
int lastPositionInDocument() const;
// all zero-based counting
int cursorLineOnScreen() const;
int linesOnScreen() const;
......@@ -118,6 +120,7 @@ public:
void scrollToLineInDocument(int line);
void moveToFirstNonBlankOnLine();
void moveWord(int repeat, bool simple);
FakeVimHandler *q;
Mode m_mode;
......@@ -366,6 +369,12 @@ void FakeVimHandler::Private::handleCommandMode(int key, const QString &text)
m_editor->redo();
} else if (key == 'u') {
m_editor->undo();
} else if (key == 'w') {
moveWord(count(), false);
finishMovement();
} else if (key == 'W') {
moveWord(count(), true);
finishMovement();
} else if (key == 'x') { // = "dl"
if (atEol())
m_tc.movePosition(Left, MoveAnchor, 1);
......@@ -481,12 +490,7 @@ void FakeVimHandler::Private::search(const QString &needle, bool backwards)
return;
}
int n = 0;
if (backwards) {
QTextBlock block = m_tc.block().document()->lastBlock();
n = block.position() + block.length() - 1;
}
m_tc.setPosition(n);
m_tc.setPosition(backwards ? lastPositionInDocument() - 1 : 0);
m_editor->setTextCursor(m_tc);
if (m_editor->find(needle, flags)) {
m_tc = m_editor->textCursor();
......@@ -515,6 +519,33 @@ void FakeVimHandler::Private::moveToFirstNonBlankOnLine()
}
}
static int charClass(QChar c, bool simple)
{
if (simple)
return c.isSpace() ? 0 : 1;
if (c.isLetterOrNumber() || c.unicode() == '_')
return 2;
return c.isSpace() ? 0 : 1;
}
void FakeVimHandler::Private::moveWord(int repeat, bool simple)
{
// FIXME: 'w' should stop on empty lines, too
QTextDocument *doc = m_tc.document();
int n = lastPositionInDocument() - 1;
int lastClass = 0;
while (m_tc.position() < n) {
QChar c = doc->characterAt(m_tc.position());
int thisClass = charClass(c, simple);
if (thisClass != lastClass && thisClass != 0)
--repeat;
if (repeat == -1)
break;
lastClass = thisClass;
m_tc.movePosition(Right, KeepAnchor, 1);
}
}
int FakeVimHandler::Private::cursorLineOnScreen() const
{
QRect rect = m_editor->cursorRect();
......@@ -541,6 +572,12 @@ void FakeVimHandler::Private::scrollToLineInDocument(int line)
scrollBar->setValue(line);
}
int FakeVimHandler::Private::lastPositionInDocument() const
{
QTextBlock block = m_tc.block().document()->lastBlock();
return block.position() + block.length();
}
///////////////////////////////////////////////////////////////////////
//
// FakeVimHandler
......
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