void GeneralTab::updateFrameSize()
{
v4l2_frmsizeenum frmsize;
bool ok = false;
m_frameSize->clear();
ok = enum_framesizes(frmsize, m_pixelformat);
if (ok && frmsize.type == V4L2_FRMSIZE_TYPE_DISCRETE) {
do {
m_frameSize->addItem(QString("%1x%2")
.arg(frmsize.discrete.width).arg(frmsize.discrete.height));
if (frmsize.discrete.width == m_width &&
frmsize.discrete.height == m_height)
m_frameSize->setCurrentIndex(frmsize.index);
} while (enum_framesizes(frmsize));
m_frameWidth->setEnabled(false);
m_frameHeight->setEnabled(false);
m_frameSize->setEnabled(true);
updateFrameInterval();
return;
}
if (!ok) {
frmsize.stepwise.min_width = 8;
frmsize.stepwise.max_width = 1920;
frmsize.stepwise.step_width = 1;
frmsize.stepwise.min_height = 8;
frmsize.stepwise.max_height = 1200;
frmsize.stepwise.step_height = 1;
}
m_frameWidth->setEnabled(true);
m_frameHeight->setEnabled(true);
m_frameSize->setEnabled(false);
m_frameWidth->setMinimum(frmsize.stepwise.min_width);
m_frameWidth->setMaximum(frmsize.stepwise.max_width);
m_frameWidth->setSingleStep(frmsize.stepwise.step_width);
m_frameWidth->setValue(m_width);
m_frameHeight->setMinimum(frmsize.stepwise.min_height);
m_frameHeight->setMaximum(frmsize.stepwise.max_height);
m_frameHeight->setSingleStep(frmsize.stepwise.step_height);
m_frameHeight->setValue(m_height);
updateFrameInterval();
}
tdRenderer::tdRenderer(QPlainTextEdit *editor, int extensions, QWebElement body)
: QObject(editor),
m_ext(extensions),
m_editor(editor),
m_undoStack(new QUndoStack(this)),
m_buffer(bufnew(1024)),
m_tmpbuffer(bufnew(1024)),
m_markdown(initSundown()),
m_body(body),
m_fframe(0),
m_lframe(0),
m_count(0),
m_index(1),
m_pants(true),
m_undoSteps(0),
m_isUndoRedo(false)
{
connect(m_editor, SIGNAL(cursorPositionChanged()), this, SLOT(updateFrameInterval()));
connect(m_editor, SIGNAL(selectionChanged()), this, SLOT(updateFrameInterval()));
connect(editor->document(), SIGNAL(contentsChange(int, int, int)),
this, SLOT(parseMarkdown(int, int, int)));
updateFrameInterval();
}
void tdRenderer::parseMarkdown(int at, int removed, int added)
{
QTextCursor cursor = m_editor->textCursor();
cursor.beginEditBlock();
int steps = m_editor->document()->availableUndoSteps();
bool undoStepsChanged = (steps != m_undoSteps);
m_undoSteps = steps;
if (undoStepsChanged && !m_isUndoRedo)
m_undoStack->push(new tdRendererCursorCommand(this, at, removed, added));
m_isUndoRedo = false;
int start;
int end;
if (m_sizes.isEmpty()) {
start = end = 0;
} else {
int i = 0, n = 0;
while (i < m_fframe)
n += m_sizes.at(i++);
start = n;
while (i <= m_lframe)
n += m_sizes.at(i++);
end = n;
}
int diff = added - removed;
m_count += diff;
if (m_sizes.isEmpty()) end = m_count;
else end += diff;
cursor.setPosition(start);
cursor.setPosition(qMin(end, m_count), QTextCursor::KeepAnchor);
int c = m_fframe;
int klass = 0;
QWebElementCollection collection;
while (c++ <= m_lframe && !m_sizes.isEmpty()) {
m_sizes.takeAt(m_fframe);
klass = m_indices.takeAt(m_fframe);
collection.append(m_body.findAll(".__" % QString::number(klass) % "__"));
}
QList<QWebElement> list = collection.toList();
QWebElement element;
if (klass) {
QString k = "__" % QString::number(klass) % "__";
element = list.last();
while (element.parent().hasClass(k))
element = element.parent();
list.removeAll(element);
element.setOuterXml("<div class=\"__tmp__\"></div>");
QList<QWebElement>::iterator i = list.begin();
for (; i != list.end(); ++i)
i->takeFromDocument();
} else {
m_body.prependInside("<div class=\"__tmp__\"></div>");
}
render(cursor.selection().toPlainText().toAscii());
cursor.endEditBlock();
updateFrameInterval();
emit parsingDone();
}
