void TextBuffer::wrapLine (const KTextEditor::Cursor &position)
{
// only allowed if editing transaction running
Q_ASSERT (m_editingTransactions > 0);
// get block, this will assert on invalid line
int blockIndex = blockForLine (position.line());
// let the block handle the wrapLine
// this can only lead to one more line in this block
// no other blocks will change
++m_lines; // first alter the line counter, as functions called will need the valid one
m_blocks.at(blockIndex)->wrapLine (position);
// remember changes
++m_revision;
// update changed line interval
if (position.line() < m_editingMinimalLineChanged || m_editingMinimalLineChanged == -1)
m_editingMinimalLineChanged = position.line();
if (position.line() <= m_editingMaximalLineChanged)
++m_editingMaximalLineChanged;
else
m_editingMaximalLineChanged = position.line() + 1;
// fixup all following blocks
fixStartLines (blockIndex);
// balance the changed block if needed
balanceBlock (blockIndex);
// emit signal about done change
emit lineWrapped (position);
}
KateLayoutCache::KateLayoutCache(KateRenderer* renderer, QObject* parent)
: QObject(parent)
, m_renderer(renderer)
, m_startPos(-1,-1)
, m_viewWidth(0)
, m_wrap(false)
, m_acceptDirtyLayouts (false)
{
Q_ASSERT(m_renderer);
/**
* connect to all possible editing primitives
*/
connect(&m_renderer->doc()->buffer(), SIGNAL(lineWrapped(KTextEditor::Cursor)), this, SLOT(wrapLine(KTextEditor::Cursor)));
connect(&m_renderer->doc()->buffer(), SIGNAL(lineUnwrapped(int)), this, SLOT(unwrapLine(int)));
connect(&m_renderer->doc()->buffer(), SIGNAL(textInserted(KTextEditor::Cursor,QString)), this, SLOT(insertText(KTextEditor::Cursor,QString)));
connect(&m_renderer->doc()->buffer(), SIGNAL(textRemoved(KTextEditor::Range,QString)), this, SLOT(removeText(KTextEditor::Range)));
}
