#include "buffer_funcs.h"
#include "bufferlist.h"
#include "bufferparams.h"
+#include "coordcache.h"
#include "cursor.h"
#include "debug.h"
#include "dispatchresult.h"
#include "lyxtext.h"
#include "lyxrc.h"
#include "lastfiles.h"
+#include "metricsinfo.h"
#include "paragraph.h"
#include "paragraph_funcs.h"
#include "ParagraphParameters.h"
#include "pariterator.h"
+#include "rowpainter.h"
#include "undo.h"
#include "vspace.h"
#include "graphics/Previews.h"
+#include "support/filefilterlist.h"
#include "support/filetools.h"
#include "support/forkedcontr.h"
-#include "support/globbing.h"
#include "support/path_defines.h"
#include "support/tostr.h"
+#include "support/types.h"
#include <boost/bind.hpp>
+#include <functional>
+
using lyx::pos_type;
using lyx::support::AddPath;
using lyx::support::ForkedcallsController;
using lyx::support::IsDirWriteable;
using lyx::support::MakeDisplayPath;
+using lyx::support::MakeAbsPath;
using lyx::support::strToUnsignedInt;
using lyx::support::system_lyxdir;
using std::istringstream;
using std::make_pair;
using std::min;
+using std::max;
using std::string;
+using std::mem_fun_ref;
extern BufferList bufferlist;
boost::signals::connection lostcon;
+/// Get next inset of this class from current cursor position
+template <class T>
+T * getInsetByCode(LCursor & cur, InsetBase::Code code)
+{
+ T * inset = 0;
+ DocIterator it = cur;
+ if (it.nextInset() &&
+ it.nextInset()->lyxCode() == code) {
+ inset = static_cast<T*>(it.nextInset());
+ }
+ return inset;
+}
+
+
} // anon namespace
BufferView::Pimpl::Pimpl(BufferView & bv, LyXView * owner,
- int xpos, int ypos, int width, int height)
+ int width, int height)
: bv_(&bv), owner_(owner), buffer_(0), cursor_timeout(400),
- using_xterm_cursor(false), cursor_(bv)
+ using_xterm_cursor(false), cursor_(bv) ,
+ anchor_ref_(0), offset_ref_(0)
{
xsel_cache_.set = false;
- workarea_.reset(WorkAreaFactory::create(xpos, ypos, width, height));
+ workarea_.reset(WorkAreaFactory::create(*owner_, width, height));
screen_.reset(LyXScreenFactory::create(workarea()));
// Setup the signals
}
-void BufferView::Pimpl::top_y(int y)
-{
- top_y_ = y;
-}
-
-
-int BufferView::Pimpl::top_y() const
-{
- return top_y_;
-}
-
-
void BufferView::Pimpl::setBuffer(Buffer * b)
{
lyxerr[Debug::INFO] << "Setting buffer in BufferView ("
if (buffer_)
disconnectBuffer();
- // set current buffer
- buffer_ = b;
+ // if we are closing current buffer, switch to the first in
+ // buffer list.
+ if (!b) {
+ lyxerr[Debug::INFO] << " No Buffer!" << endl;
+ // we are closing the buffer, use the first buffer as current
+ buffer_ = bufferlist.first();
+ owner_->getDialogs().hideBufferDependent();
+ } else {
+ // set current buffer
+ buffer_ = b;
+ }
// reset old cursor
- top_y_ = 0;
cursor_ = LCursor(*bv_);
+ anchor_ref_ = 0;
+ offset_ref_ = 0;
+
// if we're quitting lyx, don't bother updating stuff
if (quitting)
cursor_.push(buffer_->inset());
cursor_.resetAnchor();
buffer_->text().init(bv_);
-
- // If we don't have a text object for this, we make one
- //if (bv_->text() == 0)
- // resizeCurrentBuffer();
+ buffer_->text().setCurrentFont(cursor_);
// Buffer-dependent dialogs should be updated or
// hidden. This should go here because some dialogs (eg ToC)
// require bv_->text.
owner_->getDialogs().updateBufferDependent(true);
- owner_->setLayout(bv_->text()->getPar(0).layout()->name());
- } else {
- lyxerr[Debug::INFO] << " No Buffer!" << endl;
- // we are closing the buffer, use the first buffer as current
- buffer_ = bufferlist.first();
- owner_->getDialogs().hideBufferDependent();
}
update();
updateScrollbar();
owner_->updateMenubar();
- owner_->updateToolbar();
+ owner_->updateToolbars();
owner_->updateLayoutChoice();
owner_->updateWindowTitle();
- if (lyx::graphics::Previews::activated() && buffer_)
- lyx::graphics::Previews::get().generateBufferPreviews(*buffer_);
-}
-
-bool BufferView::Pimpl::fitCursor()
-{
- // this is enough to get the right y cursor info for fitCursor
- cursor_.top().text()->redoParagraph(cursor_.top().par());
-
- if (!screen().fitCursor(bv_))
- return false;
-
- updateScrollbar();
- return true;
-}
-
+ // This is done after the layout combox has been populated
+ if (buffer_)
+ owner_->setLayout(cursor_.paragraph().layout()->name());
-void BufferView::Pimpl::redoCurrentBuffer()
-{
- lyxerr[Debug::INFO] << "BufferView::redoCurrentBuffer" << endl;
- if (buffer_ && bv_->text()) {
- resizeCurrentBuffer();
- updateScrollbar();
- owner_->updateLayoutChoice();
- }
+ if (buffer_ && lyx::graphics::Previews::status() != LyXRC::PREVIEW_OFF)
+ lyx::graphics::Previews::get().generateBufferPreviews(*buffer_);
}
void BufferView::Pimpl::resizeCurrentBuffer()
{
- lyxerr[Debug::INFO] << "resizeCurrentBuffer" << endl;
+ lyxerr[Debug::DEBUG] << "resizeCurrentBuffer" << endl;
owner_->busy(true);
owner_->message(_("Formatting document..."));
text->init(bv_);
update();
- fitCursor();
switchKeyMap();
owner_->busy(false);
void BufferView::Pimpl::updateScrollbar()
{
if (!bv_->text()) {
- lyxerr[Debug::GUI] << "no text in updateScrollbar" << endl;
- lyxerr << "no text in updateScrollbar" << endl;
+ lyxerr[Debug::DEBUG] << "no text in updateScrollbar" << endl;
workarea().setScrollbarParams(0, 0, 0);
return;
}
- LyXText const & t = *bv_->text();
-
+ LyXText & t = *bv_->text();
+ if (anchor_ref_ > int(t.paragraphs().size()) - 1) {
+ anchor_ref_ = int(t.paragraphs().size()) - 1;
+ offset_ref_ = 0;
+ }
+
lyxerr[Debug::GUI]
- << "Updating scrollbar: height: " << t.height()
- << " top_y: " << top_y()
+ << "Updating scrollbar: height: " << t.paragraphs().size()
+ << " curr par: " << bv_->cursor().bottom().pit()
<< " default height " << defaultRowHeight() << endl;
- workarea().setScrollbarParams(t.height(), top_y(), defaultRowHeight());
+ //it would be better to fix the scrollbar to understand
+ //values in [0..1] and divide everything by wh
+ int const wh = workarea().workHeight() / 4;
+ int const h = t.getPar(anchor_ref_).height();
+ workarea().setScrollbarParams(t.paragraphs().size() * wh, anchor_ref_ * wh + int(offset_ref_ * wh / float(h)), int (wh * defaultRowHeight() / float(h)));
+// workarea().setScrollbarParams(t.paragraphs().size(), anchor_ref_, 1);
}
screen().hideCursor();
- top_y(value);
- screen().redraw(*bv_);
+ int const wh = workarea().workHeight() / 4;
+
+ LyXText & t = *bv_->text();
+
+ float const bar = value / float(wh * t.paragraphs().size());
+
+ anchor_ref_ = int(bar * t.paragraphs().size());
+ t.redoParagraph(anchor_ref_);
+ int const h = t.getPar(anchor_ref_).height();
+ offset_ref_ = int((bar * t.paragraphs().size() - anchor_ref_) * h);
+ lyxerr << "scrolling: " << value << std::endl;
+ update();
if (!lyxrc.cursor_follows_scrollbar)
return;
- int const height = defaultRowHeight();
- int const first = top_y() + height;
- int const last = top_y() + workarea().workHeight() - height;
-
- bv_->cursor().reset(bv_->buffer()->inset());
- LyXText * text = bv_->text();
- int y = text->cursorY(bv_->cursor().front());
- if (y < first)
- y = first;
- if (y > last)
- y = last;
- text->setCursorFromCoordinates(bv_->cursor(), 0, y);
+ int const height = 2 * defaultRowHeight();
+ int const first = height;
+ int const last = workarea().workHeight() - height;
+ LCursor & cur = bv_->cursor();
+
+ bv_funcs::CurStatus st = bv_funcs::status(bv_, cur);
+ switch (st) {
+ case bv_funcs::CUR_ABOVE:
+ t.setCursorFromCoordinates(cur, 0, first);
+ cur.clearSelection();
+ break;
+ case bv_funcs::CUR_BELOW:
+ t.setCursorFromCoordinates(cur, 0, last);
+ cur.clearSelection();
+ break;
+ case bv_funcs::CUR_INSIDE:
+ int const y = bv_funcs::getPos(cur).y_;
+ int const newy = min(last, max(y, first));
+ if (y != newy) {
+ cur.reset(bv_->buffer()->inset());
+ t.setCursorFromCoordinates(cur, 0, newy);
+ }
+ }
owner_->updateLayoutChoice();
}
void BufferView::Pimpl::scroll(int lines)
{
- if (!buffer_)
- return;
-
- LyXText const * t = bv_->text();
- int const line_height = defaultRowHeight();
-
- // The new absolute coordinate
- int new_top_y = top_y() + lines * line_height;
-
- // Restrict to a valid value
- new_top_y = std::min(t->height() - 4 * line_height, new_top_y);
- new_top_y = std::max(0, new_top_y);
-
- scrollDocView(new_top_y);
-
- // Update the scrollbar.
- workarea().setScrollbarParams(t->height(), top_y(), defaultRowHeight());
+// if (!buffer_)
+// return;
+//
+// LyXText const * t = bv_->text();
+// int const line_height = defaultRowHeight();
+//
+// // The new absolute coordinate
+// int new_top_y = top_y() + lines * line_height;
+//
+// // Restrict to a valid value
+// new_top_y = std::min(t->height() - 4 * line_height, new_top_y);
+// new_top_y = std::max(0, new_top_y);
+//
+// scrollDocView(new_top_y);
+//
+// // Update the scrollbar.
+// workarea().setScrollbarParams(t->height(), top_y(), defaultRowHeight());
}
}
-void BufferView::Pimpl::update()
+bool BufferView::Pimpl::fitCursor()
{
- //lyxerr << "BufferView::Pimpl::update(), buffer: " << buffer_ << endl;
- // fix cursor coordinate cache in case something went wrong
+ if (bv_funcs::status(bv_, bv_->cursor()) == bv_funcs::CUR_INSIDE) {
+ int asc, des;
+ bv_->cursor().getDim(asc, des);
+ Point p = bv_funcs::getPos(bv_->cursor());
+ if (p.y_ - asc >= 0 && p.y_ + des < bv_->workHeight())
+ return false;
+ }
+ bv_->center();
+ return true;
+}
+
+void BufferView::Pimpl::update(bool fitcursor, bool forceupdate)
+{
+ lyxerr << "BufferView::Pimpl::update(fc=" << fitcursor << ", fu="
+ << forceupdate << ") buffer: " << buffer_ << endl;
+
// check needed to survive LyX startup
if (buffer_) {
- // update all 'visible' paragraphs
- lyx::par_type beg, end;
- getParsInRange(buffer_->paragraphs(),
- top_y(), top_y() + workarea().workHeight(),
- beg, end);
- bv_->text()->redoParagraphs(beg, end);
- updateScrollbar();
- }
- screen().redraw(*bv_);
+ // update macro store
+ buffer_->buildMacros();
+ // first drawing step
+
+ CoordCache backup;
+ std::swap(theCoords, backup);
+ //
+ ViewMetricsInfo vi = metrics();
+
+ if (fitcursor && fitCursor()) {
+ forceupdate = true;
+ vi = metrics();
+ }
+ if (forceupdate) {
+ // second drawing step
+ screen().redraw(*bv_, vi);
+ } else
+ std::swap(theCoords, backup);
+ } else
+ screen().greyOut();
+
+ // and the scrollbar
+ updateScrollbar();
bv_->owner()->view_state_changed();
}
if (!cur.selection())
return Change(Change::UNCHANGED);
- return text->getPar(cur.selBegin().par()).
+ return text->getPar(cur.selBegin().pit()).
lookupChangeFull(cur.selBegin().pos());
}
void BufferView::Pimpl::center()
{
- LyXText * text = bv_->text();
-
- bv_->cursor().clearSelection();
- int const half_height = workarea().workHeight() / 2;
- int new_y = text->cursorY(bv_->cursor().front()) - half_height;
- if (new_y < 0)
- new_y = 0;
-
- // FIXME: look at this comment again ...
- // This updates top_y() but means the fitCursor() call
- // from the update(FITCUR) doesn't realise that we might
- // have moved (e.g. from GOTOPARAGRAPH), so doesn't cause
- // the scrollbar to be updated as it should, so we have
- // to do it manually. Any operation that does a center()
- // and also might have moved top_y() must make sure to call
- // updateScrollbar() currently. Never mind that this is a
- // pretty obfuscated way of updating text->top_y()
- top_y(new_y);
+ CursorSlice const & bot = bv_->cursor().bottom();
+ lyx::pit_type const pit = bot.pit();
+ bot.text()->redoParagraph(pit);
+ Paragraph const & par = bot.text()->paragraphs()[pit];
+ anchor_ref_ = pit;
+ offset_ref_ = bv_funcs::coordOffset(bv_->cursor()).y_ + par.ascent()
+ - workarea().workHeight() / 2;
}
-void BufferView::Pimpl::stuffClipboard(string const & stuff) const
+void BufferView::Pimpl::stuffClipboard(string const & content) const
{
- workarea().putClipboard(stuff);
-}
-
-
-InsetBase * BufferView::Pimpl::getInsetByCode(InsetBase::Code /*code*/)
-{
-#warning Does not work for mathed
- // Ok, this is a little bit too brute force but it
- // should work for now. Better infrastructure is coming. (Lgb)
-
-#warning FIXME
-#if 0
- Buffer * buf = bv_->buffer();
- InsetIterator beg = inset_iterator_begin(buf->inset());
-
- bool cursor_par_seen = false;
-
- LCursor & cur = bv_->cursor();
- LyXText * = bv_->getLyXText();
- ParagraphList::iterator pit = text->getPar(cur.par());
-
- for (; beg; ++beg) {
- if (beg.par() == pit)
- cursor_par_seen = true;
- if (cursor_par_seen) {
- if (beg.par() == pit && beg.pos() >= cur.pos())
- break;
- if (beg.getPar() != pit)
- break;
- }
- }
- if (beg) {
- // Now find the first inset that matches code.
- for (; beg; ++beg) {
- if (beg->lyxCode() == code)
- return &(*beg);
- }
- }
-#endif
- return 0;
+ workarea().putClipboard(content);
}
string const disp_fn = MakeDisplayPath(filename);
owner_->message(bformat(_("Inserting document %1$s..."), disp_fn));
- if (bv_->insertLyXFile(filename))
- owner_->message(bformat(_("Document %1$s inserted."),
- disp_fn));
- else
- owner_->message(bformat(_("Could not insert document %1$s"),
- disp_fn));
+
+ bv_->cursor().clearSelection();
+ bv_->text()->breakParagraph(bv_->cursor());
+
+ BOOST_ASSERT(bv_->cursor().inTexted());
+
+ string const fname = MakeAbsPath(filename);
+ bool const res = bv_->buffer()->readFile(fname, bv_->cursor().pit());
+ bv_->resize();
+
+ string s = res ? _("Document %1$s inserted.")
+ : _("Could not insert document %1$s");
+ owner_->message(bformat(s, disp_fn));
}
bool const tracking = buf->params().tracking_changes;
if (!tracking) {
- ParIterator const end = buf->par_iterator_end();
- for (ParIterator it = buf->par_iterator_begin(); it != end; ++it)
- it->trackChanges();
+ for_each(buf->par_iterator_begin(),
+ buf->par_iterator_end(),
+ bind(&Paragraph::trackChanges, _1, Change::UNCHANGED));
buf->params().tracking_changes = true;
// we cannot allow undos beyond the freeze point
} else {
update();
bv_->text()->setCursor(bv_->cursor(), 0, 0);
+#ifdef WITH_WARNINGS
#warning changes FIXME
+#endif
bool found = lyx::find::findNextChange(bv_);
if (found) {
owner_->getDialogs().show("changes");
return;
}
- ParIterator const end = buf->par_iterator_end();
- for (ParIterator it = buf->par_iterator_begin(); it != end; ++it)
- it->untrackChanges();
+ for_each(buf->par_iterator_begin(),
+ buf->par_iterator_end(),
+ mem_fun_ref(&Paragraph::untrackChanges));
+
buf->params().tracking_changes = false;
}
bool BufferView::Pimpl::workAreaDispatch(FuncRequest const & cmd0)
{
+ lyxerr << "BufferView::Pimpl::workAreaDispatch: request: "
+ << cmd0 << std::endl;
// this is only called for mouse related events including
// LFUN_FILE_OPEN generated by drag-and-drop.
FuncRequest cmd = cmd0;
- // handle drag&deop
+ // handle drag&drop
if (cmd.action == LFUN_FILE_OPEN) {
owner_->dispatch(cmd);
return true;
}
- cmd.y += bv_->top_y();
- //lyxerr << "*** workAreaDispatch: request: " << cmd << std::endl;
+ if (!bv_->buffer())
+ return false;
+
LCursor cur(*bv_);
cur.push(bv_->buffer()->inset());
- cur.resetAnchor();
cur.selection() = bv_->cursor().selection();
// Doesn't go through lyxfunc, so we need to update
screen().hideCursor();
- // either the inset under the cursor or the
+ // Either the inset under the cursor or the
// surrounding LyXText will handle this event.
- // built temporary path to inset
+ // Build temporary cursor.
+ cmd.y = min(max(cmd.y,-1), bv_->workHeight());
InsetBase * inset = bv_->text()->editXY(cur, cmd.x, cmd.y);
- lyxerr << "hit inset at tip: " << inset << endl;
- lyxerr << "created temp cursor:\n" << cur << endl;
+ lyxerr << " * hit inset at tip: " << inset << endl;
+ lyxerr << " * created temp cursor:" << cur << endl;
+
+ // Put anchor at the same position.
+ cur.resetAnchor();
// Try to dispatch to an non-editable inset near this position
- // via the temp cursor. If the inset wishes to change the real
+ // via the temp cursor. If the inset wishes to change the real
// cursor it has to do so explicitly by using
- // cur.bv().cursor() = cur; (or similar)'
- DispatchResult res;
+ // cur.bv().cursor() = cur; (or similar)
if (inset)
inset->dispatch(cur, cmd);
- // Now dispatch to the real cursor. Any change to the cursor
- // is immediate.
- if (!res.dispatched())
- res = cur.dispatch(cmd);
+ // Now dispatch to the temporary cursor. If the real cursor should
+ // be modified, the inset's dispatch has to do so explicitly.
+ if (!cur.result().dispatched())
+ cur.dispatch(cmd);
- // If the request was dispatched the temp cursor should have been
- // in a way to be used as new 'real' cursor.
- if (res.dispatched()) {
- bv_->cursor() = cur;
+ if (cur.result().dispatched()) {
// Redraw if requested or necessary.
- if (fitCursor() || res.update())
- update();
+ update(cur.result().update(), cur.result().update());
}
// see workAreaKeyPress
// skip these when selecting
if (cmd.action != LFUN_MOUSE_MOTION) {
owner_->updateLayoutChoice();
- owner_->updateToolbar();
+ owner_->updateToolbars();
}
// slight hack: this is only called currently when we
Buffer * buf = bv_->buffer();
FuncStatus flag;
-
+
switch (cmd.action) {
case LFUN_UNDO:
case LFUN_MARK_ON:
case LFUN_SETMARK:
case LFUN_CENTER:
- case LFUN_BEGINNINGBUFSEL:
- case LFUN_ENDBUFSEL:
+ case LFUN_WORDS_COUNT:
flag.enabled(true);
break;
+
case LFUN_BOOKMARK_GOTO:
flag.enabled(bv_->isSavedPosition(strToUnsignedInt(cmd.argument)));
break;
cur.message(cur.currentState());
break;
- case LFUN_INSERT_LABEL: {
- // Try and generate a valid label
- string const contents = cmd.argument.empty() ?
- cur.getPossibleLabel() : cmd.argument;
- InsetCommandParams icp("label", contents);
- string data = InsetCommandMailer::params2string("label", icp);
- owner_->getDialogs().show("label", data, 0);
- break;
- }
-
case LFUN_BOOKMARK_SAVE:
savePosition(strToUnsignedInt(cmd.argument));
break;
string label = cmd.argument;
if (label.empty()) {
InsetRef * inset =
- static_cast<InsetRef*>(getInsetByCode(InsetBase::REF_CODE));
+ getInsetByCode<InsetRef>(bv_->cursor(),
+ InsetBase::REF_CODE);
if (inset) {
label = inset->getContents();
savePosition(0);
case LFUN_ACCEPT_ALL_CHANGES: {
bv_->cursor().reset(bv_->buffer()->inset());
+#ifdef WITH_WARNINGS
#warning FIXME changes
+#endif
while (lyx::find::findNextChange(bv_))
bv_->getLyXText()->acceptChange(bv_->cursor());
update();
case LFUN_REJECT_ALL_CHANGES: {
bv_->cursor().reset(bv_->buffer()->inset());
+#ifdef WITH_WARNINGS
#warning FIXME changes
+#endif
while (lyx::find::findNextChange(bv_))
bv_->getLyXText()->rejectChange(bv_->cursor());
- update();
break;
}
case LFUN_MARK_OFF:
cur.clearSelection();
- update();
cur.resetAnchor();
cur.message(N_("Mark off"));
break;
case LFUN_MARK_ON:
cur.clearSelection();
cur.mark() = true;
- update();
cur.resetAnchor();
cur.message(N_("Mark on"));
break;
cur.message(N_("Mark set"));
}
cur.resetAnchor();
- update();
break;
case LFUN_CENTER:
bv_->center();
break;
- case LFUN_BEGINNINGBUFSEL:
- bv_->cursor().reset(bv_->buffer()->inset());
- if (!cur.selection())
- cur.resetAnchor();
- bv_->text()->cursorTop(cur);
- finishUndo();
- break;
+ case LFUN_WORDS_COUNT: {
+ DocIterator from, to;
+ if (cur.selection()) {
+ from = cur.selectionBegin();
+ to = cur.selectionEnd();
+ } else {
+ from = doc_iterator_begin(bv_->buffer()->inset());
+ to = doc_iterator_end(bv_->buffer()->inset());
+ }
+ int const count = countWords(from, to);
+ string message;
+ if (count != 1) {
+ if (cur.selection())
+ message = bformat(_("%1$s words in selection."),
+ tostr(count));
+ else
+ message = bformat(_("%1$s words in document."),
+ tostr(count));
+ }
+ else {
+ if (cur.selection())
+ message = _("One word in selection.");
+ else
+ message = _("One word in document.");
+ }
- case LFUN_ENDBUFSEL:
- bv_->cursor().reset(bv_->buffer()->inset());
- if (!cur.selection())
- cur.resetAnchor();
- bv_->text()->cursorBottom(cur);
- finishUndo();
+ Alert::information(_("Count words"), message);
+ }
break;
-
default:
return false;
}
return true;
}
+
+
+ViewMetricsInfo BufferView::Pimpl::metrics()
+{
+ // remove old position cache
+ theCoords.clear();
+ BufferView & bv = *bv_;
+ LyXText * const text = bv.text();
+ if (anchor_ref_ > int(text->paragraphs().size() - 1)) {
+ anchor_ref_ = int(text->paragraphs().size() - 1);
+ offset_ref_ = 0;
+ }
+
+ lyx::pit_type const pit = anchor_ref_;
+ int pit1 = pit;
+ int pit2 = pit;
+ size_t npit = text->paragraphs().size();
+ lyxerr << "npit: " << npit << " pit1: " << pit1
+ << " pit2: " << pit2 << endl;
+
+ // rebreak anchor par
+ text->redoParagraph(pit);
+ int y0 = text->getPar(pit1).ascent() - offset_ref_;
+
+ // redo paragraphs above cursor if necessary
+ int y1 = y0;
+ while (y1 > 0 && pit1 > 0) {
+ y1 -= text->getPar(pit1).ascent();
+ --pit1;
+ text->redoParagraph(pit1);
+ y1 -= text->getPar(pit1).descent();
+ }
+
+
+ // take care of ascent of first line
+ y1 -= text->getPar(pit1).ascent();
+
+ //normalize anchor for next time
+ anchor_ref_ = pit1;
+ offset_ref_ = -y1;
+
+ // grey at the beginning is ugly
+ if (pit1 == 0 && y1 > 0) {
+ y0 -= y1;
+ y1 = 0;
+ anchor_ref_ = 0;
+ }
+
+ // redo paragraphs below cursor if necessary
+ int y2 = y0;
+ while (y2 < bv.workHeight() && pit2 < int(npit) - 1) {
+ y2 += text->getPar(pit2).descent();
+ ++pit2;
+ text->redoParagraph(pit2);
+ y2 += text->getPar(pit2).ascent();
+ }
+
+ // take care of descent of last line
+ y2 += text->getPar(pit2).descent();
+
+ // the coordinates of all these paragraphs are correct, cache them
+ int y = y1;
+ for (lyx::pit_type pit = pit1; pit <= pit2; ++pit) {
+ y += text->getPar(pit).ascent();
+ theCoords.pars_[text][pit] = Point(0, y);
+ y += text->getPar(pit).descent();
+ }
+
+ lyxerr << "bv:metrics: y1: " << y1 << " y2: " << y2 << endl;
+ return ViewMetricsInfo(pit1, pit2, y1, y2);
+}