-
-bool InsetERT::previewState(BufferView * bv) const
-{
- if (!editing(bv) && RenderPreview::status() == LyXRC::PREVIEW_ON) {
- graphics::PreviewImage const * pimage =
- preview_->getPreviewImage(bv->buffer());
- return pimage && pimage->image();
- }
- return false;
-}
-
-
-void InsetERT::addPreview(DocIterator const & inset_pos,
- graphics::PreviewLoader & ploader) const
-{
- preparePreview(inset_pos);
-}
-
-
-void InsetERT::preparePreview(DocIterator const & pos) const
-{
- odocstringstream str;
- OutputParams runparams(&pos.buffer()->params().encoding());
- latex(str, runparams);
- docstring const snippet = str.str();
- LYXERR(Debug::MACROS, "Preview snippet: " << snippet);
- preview_->addPreview(snippet, *pos.buffer());
-}
-
-
-void InsetERT::reloadPreview(DocIterator const & pos) const
-{
- preparePreview(pos);
- preview_->startLoading(*pos.buffer());
-}
-
-
-bool InsetERT::notifyCursorLeaves(Cursor const & old, Cursor & cur)
-{
- reloadPreview(old);
- cur.updateFlags(Update::Force);
- return InsetCollapsable::notifyCursorLeaves(old, cur);
-}
-
-
-void InsetERT::draw(PainterInfo & pi, int x, int y) const
-{
- use_preview_ = previewState(pi.base.bv);
-
- if (use_preview_) {
- // one pixel gap in front
- preview_->draw(pi, x + 1, y);
- setPosCache(pi, x, y);
- return;
- }
- InsetCollapsable::draw(pi, x, y);
-}
-
-
-Inset * InsetERT::editXY(Cursor & cur, int x, int y)
-{
- if (use_preview_) {
- edit(cur, true);
- return this;
- }
- return InsetCollapsable::editXY(cur, x, y);
-}
-
-
-void InsetERT::metrics(MetricsInfo & mi, Dimension & dim) const
-{
- if (previewState(mi.base.bv)) {
- preview_->metrics(mi, dim);
- // insert a one pixel gap in front of the formula
- dim.wid += 1;
- // Cache the inset dimension.
- setDimCache(mi, dim);
- Dimension dim_dummy = dim;
- MetricsInfo mi_dummy = mi;
- InsetCollapsable::metrics(mi_dummy, dim_dummy);
- return;
- }
- InsetCollapsable::metrics(mi, dim);
-}
-