#include "LaTeXHighlighter.h"
#include "qt_helpers.h"
-#include "BufferView.h"
#include "Buffer.h"
+#include "BufferParams.h"
+#include "BufferView.h"
#include "Cursor.h"
+#include "Format.h"
#include "Paragraph.h"
#include "TexRow.h"
+#include "support/debug.h"
#include "support/lassert.h"
#include "support/docstream.h"
#include "support/gettext.h"
+#include <boost/crc.hpp>
+
#include <QSettings>
#include <QTextCursor>
#include <QTextDocument>
namespace lyx {
namespace frontend {
-ViewSourceWidget::ViewSourceWidget(GuiViewSource & controller)
- : controller_(controller), document_(new QTextDocument(this)),
- highlighter_(new LaTeXHighlighter(document_))
+ViewSourceWidget::ViewSourceWidget()
+ : bv_(0), document_(new QTextDocument(this)),
+ highlighter_(new LaTeXHighlighter(document_)),
+ force_getcontent_(true)
{
setupUi(this);
connect(viewFullSourceCB, SIGNAL(clicked()),
- this, SLOT(updateView()));
+ this, SLOT(fullSourceChanged()));
connect(autoUpdateCB, SIGNAL(toggled(bool)),
updatePB, SLOT(setDisabled(bool)));
+ connect(autoUpdateCB, SIGNAL(toggled(bool)),
+ this, SLOT(updateView()));
connect(updatePB, SIGNAL(clicked()),
this, SLOT(updateView()));
+ connect(outputFormatCO, SIGNAL(activated(int)),
+ this, SLOT(updateView()));
// setting a document at this point trigger an assertion in Qt
// so we disable the signals here:
}
+static size_t crcCheck(docstring const & s)
+{
+ boost::crc_32_type crc;
+ crc.process_bytes(&s[0], sizeof(char_type) * s.size());
+ return crc.checksum();
+}
+
+
+/** get the source code of selected paragraphs, or the whole document
+ \param fullSource get full source code
+ \return true if the content has changed since last call.
+ */
+static bool getContent(BufferView const * view, bool fullSource,
+ QString & qstr, string const format, bool force_getcontent)
+{
+ // get the *top* level paragraphs that contain the cursor,
+ // or the selected text
+ pit_type par_begin;
+ pit_type par_end;
+
+ if (!view->cursor().selection()) {
+ par_begin = view->cursor().bottom().pit();
+ par_end = par_begin;
+ } else {
+ par_begin = view->cursor().selectionBegin().bottom().pit();
+ par_end = view->cursor().selectionEnd().bottom().pit();
+ }
+ if (par_begin > par_end)
+ swap(par_begin, par_end);
+ odocstringstream ostr;
+ view->buffer().getSourceCode(ostr, format, par_begin, par_end + 1, fullSource);
+ docstring s = ostr.str();
+ static size_t crc = 0;
+ size_t newcrc = crcCheck(s);
+ if (newcrc == crc && !force_getcontent)
+ return false;
+ crc = newcrc;
+ qstr = toqstr(s);
+ return true;
+}
+
+
+void ViewSourceWidget::setBufferView(BufferView const * bv)
+{
+ if (bv_ != bv)
+ force_getcontent_ = true;
+ bv_ = bv;
+ setEnabled(bv ? true : false);
+}
+
+
+void ViewSourceWidget::fullSourceChanged()
+{
+ if (autoUpdateCB->isChecked())
+ updateView();
+}
+
+
void ViewSourceWidget::updateView()
{
- BufferView const * view = controller_.bufferview();
- if (!view) {
+ if (!bv_) {
document_->setPlainText(QString());
setEnabled(false);
return;
}
- document_->setPlainText(controller_.getContent(
- viewFullSourceCB->isChecked()));
- GuiViewSource::Row row = controller_.getRows();
+ setEnabled(true);
+
+ string const format = fromqstr(outputFormatCO->itemData(
+ outputFormatCO->currentIndex()).toString());
+
+ QString content;
+ if (getContent(bv_, viewFullSourceCB->isChecked(), content,
+ format, force_getcontent_))
+ document_->setPlainText(content);
+
+ CursorSlice beg = bv_->cursor().selectionBegin().bottom();
+ CursorSlice end = bv_->cursor().selectionEnd().bottom();
+ int const begrow = bv_->buffer().texrow().
+ getRowFromIdPos(beg.paragraph().id(), beg.pos());
+ int endrow = bv_->buffer().texrow().
+ getRowFromIdPos(end.paragraph().id(), end.pos());
+ int const nextendrow = bv_->buffer().texrow().
+ getRowFromIdPos(end.paragraph().id(), end.pos() + 1);
+ if (endrow != nextendrow)
+ endrow = nextendrow - 1;
+
QTextCursor c = QTextCursor(viewSourceTV->document());
- c.movePosition(QTextCursor::NextBlock, QTextCursor::MoveAnchor, row.begin);
+ c.movePosition(QTextCursor::NextBlock, QTextCursor::MoveAnchor, begrow);
c.select(QTextCursor::BlockUnderCursor);
c.movePosition(QTextCursor::NextBlock, QTextCursor::KeepAnchor,
- row.end - row.begin + 1);
+ endrow - begrow + 1);
viewSourceTV->setTextCursor(c);
}
+void ViewSourceWidget::updateDefaultFormat()
+{
+ if (!bv_)
+ return;
+
+ outputFormatCO->blockSignals(true);
+ outputFormatCO->clear();
+ outputFormatCO->addItem(qt_("Default"),
+ QVariant(QString("default")));
+ typedef vector<Format const *> Formats;
+ Formats formats = bv_->buffer().params().exportableFormats(true);
+ Formats::const_iterator cit = formats.begin();
+ Formats::const_iterator end = formats.end();
+ for (; cit != end; ++cit)
+ outputFormatCO->addItem(qt_((*cit)->prettyname()),
+ QVariant(toqstr((*cit)->name())));
+ outputFormatCO->blockSignals(false);
+}
+
+
GuiViewSource::GuiViewSource(GuiView & parent,
Qt::DockWidgetArea area, Qt::WindowFlags flags)
: DockView(parent, "view-source", qt_("LaTeX Source"), area, flags)
{
- widget_ = new ViewSourceWidget(*this);
+ widget_ = new ViewSourceWidget();
setWidget(widget_);
}
void GuiViewSource::updateView()
{
- if (widget_->autoUpdateCB->isChecked())
+ if (widget_->autoUpdateCB->isChecked()) {
+ widget_->setBufferView(bufferview());
widget_->updateView();
+ }
}
void GuiViewSource::enableView(bool enable)
{
+ widget_->setBufferView(bufferview());
+ widget_->updateDefaultFormat();
if (!enable)
// In the opposite case, updateView() will be called anyway.
widget_->updateView();
- widget_->setEnabled(enable);
}
}
-QString GuiViewSource::getContent(bool fullSource)
-{
- // get the *top* level paragraphs that contain the cursor,
- // or the selected text
- pit_type par_begin;
- pit_type par_end;
-
- BufferView const * view = bufferview();
- if (!view->cursor().selection()) {
- par_begin = view->cursor().bottom().pit();
- par_end = par_begin;
- } else {
- par_begin = view->cursor().selectionBegin().bottom().pit();
- par_end = view->cursor().selectionEnd().bottom().pit();
- }
- if (par_begin > par_end)
- swap(par_begin, par_end);
- odocstringstream ostr;
- view->buffer().getSourceCode(ostr, par_begin, par_end + 1, fullSource);
- return toqstr(ostr.str());
-}
-
-
-GuiViewSource::Row GuiViewSource::getRows() const
-{
- BufferView const * view = bufferview();
- CursorSlice beg = view->cursor().selectionBegin().bottom();
- CursorSlice end = view->cursor().selectionEnd().bottom();
-
- int begrow = view->buffer().texrow().
- getRowFromIdPos(beg.paragraph().id(), beg.pos());
- int endrow = view->buffer().texrow().
- getRowFromIdPos(end.paragraph().id(), end.pos());
- int nextendrow = view->buffer().texrow().
- getRowFromIdPos(end.paragraph().id(), end.pos() + 1);
- Row row;
- row.begin = begrow;
- row.end = endrow == nextendrow ? endrow : (nextendrow - 1);
- return row;
-}
-
-
QString GuiViewSource::title() const
{
switch (docType()) {
void GuiViewSource::restoreSession()
{
- Dialog::restoreSession();
+ DockView::restoreSession();
+ // FIXME: Full source updating is too slow to be done at startup.
+ //widget_->viewFullSourceCB->setChecked(
+ // settings.value(sessionKey() + "/fullsource", false).toBool());
+ widget_->viewFullSourceCB->setChecked(false);
QSettings settings;
- widget_->viewFullSourceCB->setChecked(
- settings.value(sessionKey() + "/fullsource", false).toBool());
widget_->autoUpdateCB->setChecked(
settings.value(sessionKey() + "/autoupdate", true).toBool());
+ widget_->updateView();
}
} // namespace frontend
} // namespace lyx
-#include "GuiViewSource_moc.cpp"
+#include "moc_GuiViewSource.cpp"