#include <config.h>
+#include "GuiApplication.h"
#include "GuiViewSource.h"
+#include "LaTeXHighlighter.h"
#include "qt_helpers.h"
-#include <boost/tuple/tuple.hpp>
+#include "BufferView.h"
+#include "Buffer.h"
+#include "Cursor.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>
+#include <QVariant>
+
+using namespace std;
namespace lyx {
namespace frontend {
-/////////////////////////////////////////////////////////////////////
-//
-// GuiViewSourceDialog
-//
-/////////////////////////////////////////////////////////////////////
-
-GuiViewSourceDialog::GuiViewSourceDialog(GuiViewSource * form)
- : form_(form)
+ViewSourceWidget::ViewSourceWidget()
+ : bv_(0), document_(new QTextDocument(this)),
+ highlighter_(new LaTeXHighlighter(document_))
{
setupUi(this);
connect(viewFullSourceCB, SIGNAL(clicked()),
- this, SLOT(update()));
+ this, SLOT(updateView()));
connect(autoUpdateCB, SIGNAL(toggled(bool)),
updatePB, SLOT(setDisabled(bool)));
+ connect(autoUpdateCB, SIGNAL(toggled(bool)),
+ this, SLOT(updateView()));
connect(updatePB, SIGNAL(clicked()),
- this, SLOT(update()));
+ this, SLOT(updateView()));
// setting a document at this point trigger an assertion in Qt
// so we disable the signals here:
- form_->document()->blockSignals(true);
- viewSourceTV->setDocument(form_->document());
- form_->document()->blockSignals(false);
+ document_->blockSignals(true);
+ viewSourceTV->setDocument(document_);
+ document_->blockSignals(false);
viewSourceTV->setReadOnly(true);
///dialog_->viewSourceTV->setAcceptRichText(false);
// this is personal. I think source code should be in fixed-size font
- QFont font(toqstr(theApp()->typewriterFontName()));
+ QFont font(guiApp->typewriterFontName());
font.setKerning(false);
font.setFixedPitch(true);
font.setStyleHint(QFont::TypeWriter);
}
-void GuiViewSourceDialog::updateView()
+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)
+{
+ // 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, par_begin, par_end + 1, fullSource);
+ docstring s = ostr.str();
+ static size_t crc = 0;
+ size_t newcrc = crcCheck(s);
+ if (newcrc == crc)
+ return false;
+ crc = newcrc;
+ qstr = toqstr(s);
+ return true;
+}
+
+
+void ViewSourceWidget::setBufferView(BufferView const * bv)
{
- if (autoUpdateCB->isChecked())
- form_->update(viewFullSourceCB->isChecked());
+ bv_ = bv;
+ setEnabled(bv ? true : false);
+}
+
+
+void ViewSourceWidget::updateView()
+{
+ if (!bv_) {
+ document_->setPlainText(QString());
+ setEnabled(false);
+ return;
+ }
+
+ setEnabled(true);
+
+ QString content;
+ if (getContent(bv_, viewFullSourceCB->isChecked(), content))
+ 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;
- int beg, end;
- boost::tie(beg, end) = form_->getRows();
QTextCursor c = QTextCursor(viewSourceTV->document());
- c.movePosition(QTextCursor::NextBlock, QTextCursor::MoveAnchor, beg);
+ c.movePosition(QTextCursor::NextBlock, QTextCursor::MoveAnchor, begrow);
c.select(QTextCursor::BlockUnderCursor);
- c.movePosition(QTextCursor::NextBlock, QTextCursor::KeepAnchor, end - beg + 1);
+ c.movePosition(QTextCursor::NextBlock, QTextCursor::KeepAnchor,
+ endrow - begrow + 1);
viewSourceTV->setTextCursor(c);
- QWidget::update();
}
-/////////////////////////////////////////////////////////////////////
-//
-// LaTeXHighlighter
-//
-/////////////////////////////////////////////////////////////////////
+GuiViewSource::GuiViewSource(GuiView & parent,
+ Qt::DockWidgetArea area, Qt::WindowFlags flags)
+ : DockView(parent, "view-source", qt_("LaTeX Source"), area, flags)
+{
+ widget_ = new ViewSourceWidget();
+ setWidget(widget_);
+}
-LaTeXHighlighter::LaTeXHighlighter(QTextDocument * parent)
- : QSyntaxHighlighter(parent)
+GuiViewSource::~GuiViewSource()
{
- keywordFormat.setForeground(Qt::darkBlue);
- keywordFormat.setFontWeight(QFont::Bold);
- commentFormat.setForeground(Qt::darkGray);
- mathFormat.setForeground(Qt::red);
+ delete widget_;
}
-void LaTeXHighlighter::highlightBlock(QString const & text)
+void GuiViewSource::updateView()
{
- // $ $
- QRegExp exprMath("\\$[^\\$]*\\$");
- int index = text.indexOf(exprMath);
- while (index >= 0) {
- int length = exprMath.matchedLength();
- setFormat(index, length, mathFormat);
- index = text.indexOf(exprMath, index + length);
- }
- // [ ]
- QRegExp exprStartDispMath("(\\\\\\[|"
- "\\\\begin\\{equation\\**\\}|"
- "\\\\begin\\{eqnarray\\**\\}|"
- "\\\\begin\\{align(ed|at)*\\**\\}|"
- "\\\\begin\\{flalign\\**\\}|"
- "\\\\begin\\{gather\\**\\}|"
- "\\\\begin\\{multline\\**\\}|"
- "\\\\begin\\{array\\**\\}|"
- "\\\\begin\\{cases\\**\\}"
- ")");
- QRegExp exprEndDispMath("(\\\\\\]|"
- "\\\\end\\{equation\\**\\}|"
- "\\\\end\\{eqnarray\\**\\}|"
- "\\\\end\\{align(ed|at)*\\**\\}|"
- "\\\\end\\{flalign\\**\\}|"
- "\\\\end\\{gather\\**\\}|"
- "\\\\end\\{multline\\**\\}|"
- "\\\\end\\{array\\**\\}|"
- "\\\\end\\{cases\\**\\}"
- ")");
- int startIndex = 0;
- // if previous block was in 'disp math'
- // start search from 0 (for end disp math)
- // otherwise, start search from 'begin disp math'
- if (previousBlockState() != 1)
- startIndex = text.indexOf(exprStartDispMath);
- while (startIndex >= 0) {
- int endIndex = text.indexOf(exprEndDispMath, startIndex);
- int length;
- if (endIndex == -1) {
- setCurrentBlockState(1);
- length = text.length() - startIndex;
- } else {
- length = endIndex - startIndex + exprEndDispMath.matchedLength();
- }
- setFormat(startIndex, length, mathFormat);
- startIndex = text.indexOf(exprStartDispMath, startIndex + length);
+ if (widget_->autoUpdateCB->isChecked()) {
+ widget_->setBufferView(bufferview());
+ widget_->updateView();
}
- // \whatever
- QRegExp exprKeyword("\\\\[A-Za-z]+");
- index = text.indexOf(exprKeyword);
- while (index >= 0) {
- int length = exprKeyword.matchedLength();
- setFormat(index, length, keywordFormat);
- index = text.indexOf(exprKeyword, index + length);
- }
- // comment
- QRegExp exprComment("(^|[^\\\\])%.*$");
- index = text.indexOf(exprComment);
- while (index >= 0) {
- int const length = exprComment.matchedLength();
- setFormat(index, length, commentFormat);
- index = text.indexOf(exprComment, index + length);
+}
+
+
+void GuiViewSource::enableView(bool enable)
+{
+ widget_->setBufferView(bufferview());
+ if (!enable)
+ // In the opposite case, updateView() will be called anyway.
+ widget_->updateView();
+}
+
+
+bool GuiViewSource::initialiseParams(string const & /*source*/)
+{
+ setWindowTitle(title());
+ return true;
+}
+
+
+QString GuiViewSource::title() const
+{
+ switch (docType()) {
+ case LATEX:
+ return qt_("LaTeX Source");
+ case DOCBOOK:
+ return qt_("DocBook Source");
+ case LITERATE:
+ return qt_("Literate Source");
}
+ LASSERT(false, /**/);
+ return QString();
}
-GuiViewSource::GuiViewSource(GuiDialog & parent)
- : ControlViewSource(parent)
+void GuiViewSource::saveSession() const
{
- document_ = new QTextDocument(this);
- highlighter_ = new LaTeXHighlighter(document_);
+ Dialog::saveSession();
+ QSettings settings;
+ settings.setValue(
+ sessionKey() + "/fullsource", widget_->viewFullSourceCB->isChecked());
+ settings.setValue(
+ sessionKey() + "/autoupdate", widget_->autoUpdateCB->isChecked());
}
-/////////////////////////////////////////////////////////////////////
-//
-// GuiViewSource
-//
-/////////////////////////////////////////////////////////////////////
+void GuiViewSource::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_->autoUpdateCB->setChecked(
+ settings.value(sessionKey() + "/autoupdate", true).toBool());
+ widget_->updateView();
+}
+
-void GuiViewSource::update(bool full_source)
+Dialog * createGuiViewSource(GuiView & lv)
{
- document_->setPlainText(toqstr(updateContent(full_source)));
+ return new GuiViewSource(lv);
}
} // namespace frontend
} // namespace lyx
-#include "GuiViewSource_moc.cpp"
+#include "moc_GuiViewSource.cpp"
projects / lyx.git / blobdiff