#include "insets/inset.h"
#include "BufferView.h"
-#include "debug.h"
#include "dimension.h"
#include "gettext.h"
#include "LColor.h"
#include "lyx_main.h"
+#include "lyxrc.h"
#include "metricsinfo.h"
-#include "frontends/font_metrics.h"
+#include "frontends/FontMetrics.h"
#include "frontends/Painter.h"
#include "graphics/PreviewImage.h"
#include <boost/bind.hpp>
+
+namespace lyx {
+
using std::string;
using std::auto_ptr;
-namespace graphics = lyx::graphics;
-namespace support = lyx::support;
-
-bool RenderPreview::activated()
+LyXRC_PreviewStatus RenderPreview::status()
{
- return graphics::Previews::activated();
+ return graphics::Previews::status();
}
namespace {
-string const statusMessage(BufferView const * bv, string const & snippet)
+graphics::PreviewLoader & getPreviewLoader(Buffer const & buffer)
+{
+ graphics::Previews const & previews = graphics::Previews::get();
+ return previews.loader(buffer);
+}
+
+
+docstring const statusMessage(BufferView const * bv, string const & snippet)
{
BOOST_ASSERT(bv && bv->buffer());
Buffer const & buffer = *bv->buffer();
- graphics::Previews const & previews = graphics::Previews::get();
- graphics::PreviewLoader const & loader = previews.loader(buffer);
+ graphics::PreviewLoader const & loader = getPreviewLoader(buffer);
graphics::PreviewLoader::Status const status = loader.status(snippet);
- string message;
+ docstring message;
switch (status) {
case graphics::PreviewLoader::InQueue:
case graphics::PreviewLoader::Processing:
graphics::PreviewImage const *
RenderPreview::getPreviewImage(Buffer const & buffer) const
{
- graphics::Previews & previews = graphics::Previews::get();
- graphics::PreviewLoader & loader = previews.loader(buffer);
+ graphics::PreviewLoader const & loader = getPreviewLoader(buffer);
return loader.preview(snippet_);
}
-
+
void RenderPreview::metrics(MetricsInfo & mi, Dimension & dim) const
{
- BOOST_ASSERT(mi.base.bv && mi.base.bv->buffer());
+ BOOST_ASSERT(mi.base.bv && mi.base.bv->buffer());
graphics::PreviewImage const * const pimage =
getPreviewImage(*mi.base.bv->buffer());
LyXFont font(mi.base.font);
font.setFamily(LyXFont::SANS_FAMILY);
font.setSize(LyXFont::SIZE_FOOTNOTE);
- dim.wid = 15 +
- font_metrics::width(statusMessage(mi.base.bv, snippet_),
- font);
+ docstring const stat = statusMessage(mi.base.bv, snippet_);
+ dim.wid = 15 + theFontMetrics(font).width(stat);
}
dim_ = dim;
void RenderPreview::draw(PainterInfo & pi, int x, int y) const
{
- BOOST_ASSERT(pi.base.bv && pi.base.bv->buffer());
+ BOOST_ASSERT(pi.base.bv && pi.base.bv->buffer());
graphics::PreviewImage const * const pimage =
getPreviewImage(*pi.base.bv->buffer());
+ graphics::Image const * const image = pimage ? pimage->image() : 0;
- if (pimage && pimage->image()) {
+ if (image) {
pi.pain.image(x, y - dim_.asc, dim_.wid, dim_.height(),
- *(pimage->image()));
- return;
- }
+ *image);
+
+ } else {
+ int const offset = InsetOld::TEXT_TO_INSET_OFFSET;
+
+ pi.pain.rectangle(x + offset,
+ y - dim_.asc,
+ dim_.wid - 2 * offset,
+ dim_.asc + dim_.des,
+ LColor::foreground);
- pi.pain.rectangle(x + InsetOld::TEXT_TO_INSET_OFFSET,
- y - dim_.asc,
- dim_.wid - 2 * InsetOld::TEXT_TO_INSET_OFFSET,
- dim_.asc + dim_.des,
- LColor::foreground);
-
- LyXFont font(pi.base.font);
- font.setFamily(LyXFont::SANS_FAMILY);
- font.setSize(LyXFont::SIZE_FOOTNOTE);
- pi.pain.text(x + InsetOld::TEXT_TO_INSET_OFFSET + 6,
- y - font_metrics::maxAscent(font) - 4,
- statusMessage(pi.base.bv, snippet_), font);
+ LyXFont font(pi.base.font);
+ font.setFamily(LyXFont::SANS_FAMILY);
+ font.setSize(LyXFont::SIZE_FOOTNOTE);
+
+ docstring const stat = statusMessage(pi.base.bv, snippet_);
+ pi.pain.text(x + offset + 6,
+ y - theFontMetrics(font).maxAscent() - 4,
+ stat, font);
+ }
}
void RenderPreview::startLoading(Buffer const & buffer) const
{
- if (!activated() && !snippet_.empty())
+ if (status() == LyXRC::PREVIEW_OFF || snippet_.empty())
return;
- graphics::Previews & previews = graphics::Previews::get();
- graphics::PreviewLoader & loader = previews.loader(buffer);
+ graphics::PreviewLoader const & loader = getPreviewLoader(buffer);
loader.startLoading();
- lyxerr << "RenderPreview::startLoading: " << snippet_ << std::endl;
}
-void RenderPreview::addPreview(string const & latex_snippet,
+void RenderPreview::addPreview(docstring const & latex_snippet,
Buffer const & buffer)
{
- if (!activated())
+ if (status() == LyXRC::PREVIEW_OFF)
return;
- graphics::Previews & previews = graphics::Previews::get();
- graphics::PreviewLoader & loader = previews.loader(buffer);
+ graphics::PreviewLoader & loader = getPreviewLoader(buffer);
addPreview(latex_snippet, loader);
}
-void RenderPreview::addPreview(string const & latex_snippet,
+void RenderPreview::addPreview(docstring const & latex_snippet,
graphics::PreviewLoader & ploader)
{
- if (!activated())
+ if (status() == LyXRC::PREVIEW_OFF)
return;
- snippet_ = support::trim(latex_snippet);
+ // FIXME UNICODE
+ // We have to make sure that we call latex with the right encoding
+ snippet_ = support::trim(to_utf8(latex_snippet));
if (snippet_.empty())
return;
if (snippet_.empty())
return;
- graphics::Previews & previews = graphics::Previews::get();
- graphics::PreviewLoader & loader = previews.loader(buffer);
+ graphics::PreviewLoader & loader = getPreviewLoader(buffer);
loader.remove(snippet_);
snippet_.erase();
}
{
return monitor_.connect(slot);
}
+
+} // namespace lyx