#include "buffer_funcs.h"
#include "bufferparams.h"
#include "BufferView.h"
+#include "bufferview_funcs.h"
#include "cursor.h"
#include "pariterator.h"
#include "coordcache.h"
#include "frontends/FontMetrics.h"
#include "frontends/Painter.h"
+#include "frontends/Selection.h"
#include "insets/insettext.h"
#include "insets/insetbibitem.h"
#include <sstream>
+using std::auto_ptr;
+using std::advance;
+using std::distance;
+using std::max;
+using std::min;
+using std::endl;
+using std::string;
namespace lyx {
using frontend::FontMetrics;
-using std::auto_ptr;
-using std::advance;
-using std::distance;
-using std::max;
-using std::min;
-using std::endl;
-using std::string;
-
-
namespace {
-int numberOfSeparators(Paragraph const & par, Row const & row)
-{
- pos_type const first = max(row.pos(), par.beginOfBody());
- pos_type const last = row.endpos() - 1;
- int n = 0;
- for (pos_type p = first; p < last; ++p) {
- if (par.isSeparator(p))
- ++n;
- }
- return n;
-}
-
-
-int numberOfLabelHfills(Paragraph const & par, Row const & row)
-{
- pos_type last = row.endpos() - 1;
- pos_type first = row.pos();
-
- // hfill *DO* count at the beginning of paragraphs!
- if (first) {
- while (first < last && par.isHfill(first))
- ++first;
- }
-
- last = min(last, par.beginOfBody());
- int n = 0;
- for (pos_type p = first; p < last; ++p) {
- if (par.isHfill(p))
- ++n;
- }
- return n;
-}
-
-
-int numberOfHfills(Paragraph const & par, Row const & row)
-{
- pos_type const last = row.endpos();
- pos_type first = row.pos();
-
- // hfill *DO* count at the beginning of paragraphs!
- if (first) {
- while (first < last && par.isHfill(first))
- ++first;
- }
-
- first = max(first, par.beginOfBody());
-
- int n = 0;
- for (pos_type p = first; p < last; ++p) {
- if (par.isHfill(p))
- ++n;
- }
- return n;
-}
-
-
void readParToken(Buffer const & buf, Paragraph & par, LyXLex & lex,
string const & token, LyXFont & font, Change & change, ErrorList & errorList)
{
}
-int LyXText::width() const
-{
- return dim_.wid;
-}
-
-
-int LyXText::height() const
-{
- return dim_.height();
-}
-
-
int LyXText::singleWidth(Buffer const & buffer, Paragraph const & par,
pos_type pos) const
{
}
-int LyXText::leftMargin(Buffer const & buffer, pit_type pit) const
+int LyXText::leftMargin(Buffer const & buffer, int max_width, pit_type pit) const
{
BOOST_ASSERT(pit >= 0);
BOOST_ASSERT(pit < int(pars_.size()));
- return leftMargin(buffer, pit, pars_[pit].size());
+ return leftMargin(buffer, max_width, pit, pars_[pit].size());
}
-int LyXText::leftMargin(Buffer const & buffer,
+int LyXText::leftMargin(Buffer const & buffer, int max_width,
pit_type const pit, pos_type const pos) const
{
BOOST_ASSERT(pit >= 0);
pit_type newpar = outerHook(pit, pars_);
if (newpar != pit_type(pars_.size())) {
if (pars_[newpar].layout()->isEnvironment()) {
- l_margin = leftMargin(buffer, newpar);
+ l_margin = leftMargin(buffer, max_width, newpar);
}
if (par.layout() == tclass.defaultLayout()) {
if (pars_[newpar].params().noindent())
#ifdef WITH_WARNINGS
#warning This is wrong.
#endif
- int minfill = maxwidth_;
+ int minfill = max_width;
for ( ; rit != end; ++rit)
if (rit->fill() < minfill)
minfill = rit->fill();
l_margin += minfill;
#endif
// also wrong, but much shorter.
- l_margin += maxwidth_ / 2;
+ l_margin += max_width / 2;
break;
}
}
if (!par.params().leftIndent().zero())
- l_margin += par.params().leftIndent().inPixels(maxwidth_);
+ l_margin += par.params().leftIndent().inPixels(max_width);
LyXAlignment align;
}
-int LyXText::rightMargin(Buffer const & buffer, Paragraph const & par) const
-{
- // FIXME: the correct way is to only call rightMargin() only
- // within the main LyXText. The following test is thus bogus.
- LyXText const & text = buffer.text();
- // We do not want rightmargins on inner texts.
- if (&text != this)
- return 0;
-
- BufferParams const & params = buffer.params();
- LyXTextClass const & tclass = params.getLyXTextClass();
- docstring trmarg = from_utf8(tclass.rightmargin());
- docstring lrmarg = from_utf8(par.layout()->rightmargin);
- FontMetrics const & fm = theFontMetrics(params.getFont());
- int const r_margin =
- lyx::rightMargin()
- + fm.signedWidth(trmarg)
- + fm.signedWidth(lrmarg)
- * 4 / (par.getDepth() + 4);
-
- return r_margin;
-}
-
-
-int LyXText::labelEnd(Buffer const & buffer, pit_type const pit) const
-{
- // labelEnd is only needed if the layout fills a flushleft label.
- if (pars_[pit].layout()->margintype != MARGIN_MANUAL)
- return 0;
- // return the beginning of the body
- return leftMargin(buffer, pit);
-}
-
-
-namespace {
-
-// this needs special handling - only newlines count as a break point
-pos_type addressBreakPoint(pos_type i, Paragraph const & par)
-{
- pos_type const end = par.size();
-
- for (; i < end; ++i)
- if (par.isNewline(i))
- return i + 1;
-
- return end;
-}
-
-};
-
-
-void LyXText::rowBreakPoint(Buffer const & buffer, int right_margin,
- pit_type const pit, Row & row) const
-{
- Paragraph const & par = pars_[pit];
- pos_type const end = par.size();
- pos_type const pos = row.pos();
- if (pos == end) {
- row.endpos(end);
- return;
- }
-
- // maximum pixel width of a row
- int width = maxwidth_ - right_margin; // - leftMargin(buffer, pit, row);
- if (width < 0) {
- row.endpos(end);
- return;
- }
-
- LyXLayout_ptr const & layout = par.layout();
-
- if (layout->margintype == MARGIN_RIGHT_ADDRESS_BOX) {
- row.endpos(addressBreakPoint(pos, par));
- return;
- }
-
- pos_type const body_pos = par.beginOfBody();
-
-
- // Now we iterate through until we reach the right margin
- // or the end of the par, then choose the possible break
- // nearest that.
-
- int const left = leftMargin(buffer, pit, pos);
- int x = left;
-
- // pixel width since last breakpoint
- int chunkwidth = 0;
-
- FontIterator fi = FontIterator(buffer, *this, par, pos);
- pos_type point = end;
- pos_type i = pos;
- FontMetrics const & fm = theFontMetrics(getLabelFont(buffer, par));
- for ( ; i < end; ++i, ++fi) {
- char_type const c = par.getChar(i);
- int thiswidth = singleWidth(par, i, c, *fi);
-
- // add the auto-hfill from label end to the body
- if (body_pos && i == body_pos) {
- docstring lsep = from_utf8(layout->labelsep);
- int add = fm.width(lsep);
- if (par.isLineSeparator(i - 1))
- add -= singleWidth(buffer, par, i - 1);
-
- add = std::max(add, labelEnd(buffer, pit) - x);
- thiswidth += add;
- }
-
- x += thiswidth;
- chunkwidth += thiswidth;
-
- // break before a character that will fall off
- // the right of the row
- if (x >= width) {
- // if no break before, break here
- if (point == end || chunkwidth >= width - left) {
- if (i > pos)
- point = i;
- else
- point = i + 1;
-
- }
- // exit on last registered breakpoint:
- break;
- }
-
- if (par.isNewline(i)) {
- point = i + 1;
- break;
- }
- // Break before...
- if (i + 1 < end) {
- if (par.isInset(i + 1) && par.getInset(i + 1)->display()) {
- point = i + 1;
- break;
- }
- // ...and after.
- if (par.isInset(i) && par.getInset(i)->display()) {
- point = i + 1;
- break;
- }
- }
-
- if (!par.isInset(i) || par.getInset(i)->isChar()) {
- // some insets are line separators too
- if (par.isLineSeparator(i)) {
- // register breakpoint:
- point = i + 1;
- chunkwidth = 0;
- }
- }
- }
-
- // maybe found one, but the par is short enough.
- if (i == end && x < width)
- point = end;
-
- // manual labels cannot be broken in LaTeX. But we
- // want to make our on-screen rendering of footnotes
- // etc. still break
- if (body_pos && point < body_pos)
- point = body_pos;
-
- row.endpos(point);
-}
-
-
-void LyXText::setRowWidth(Buffer const & buffer, pit_type const pit, Row & row) const
-{
- // get the pure distance
- pos_type const end = row.endpos();
-
- Paragraph const & par = pars_[pit];
- docstring const labelsep = from_utf8(par.layout()->labelsep);
- int w = leftMargin(buffer, pit, row.pos());
-
- pos_type const body_pos = par.beginOfBody();
- pos_type i = row.pos();
-
- FontMetrics const & fm = theFontMetrics(getLabelFont(buffer, par));
-
- if (i < end) {
- FontIterator fi = FontIterator(buffer, *this, par, i);
- for ( ; i < end; ++i, ++fi) {
- if (body_pos > 0 && i == body_pos) {
- w += fm.width(labelsep);
- if (par.isLineSeparator(i - 1))
- w -= singleWidth(buffer, par, i - 1);
- w = max(w, labelEnd(buffer, pit));
- }
- char_type const c = par.getChar(i);
- w += singleWidth(par, i, c, *fi);
- }
- }
-
- if (body_pos > 0 && body_pos >= end) {
- w += fm.width(labelsep);
- if (end > 0 && par.isLineSeparator(end - 1))
- w -= singleWidth(buffer, par, end - 1);
- w = max(w, labelEnd(buffer, pit));
- }
-
- row.width(w + rightMargin(buffer, par));
-}
-
-
-// returns the minimum space a manual label needs on the screen in pixel
-int LyXText::labelFill(Buffer const & buffer, Paragraph const & par,
- Row const & row) const
-{
- pos_type last = par.beginOfBody();
-
- BOOST_ASSERT(last > 0);
-
- // -1 because a label ends with a space that is in the label
- --last;
-
- // a separator at this end does not count
- if (par.isLineSeparator(last))
- --last;
-
- int w = 0;
- for (pos_type i = row.pos(); i <= last; ++i)
- w += singleWidth(buffer, par, i);
-
- docstring const & label = par.params().labelWidthString();
- if (label.empty())
- return 0;
-
- FontMetrics const & fm = theFontMetrics(getLabelFont(buffer, par));
-
- return max(0, fm.width(label) - w);
-}
-
-
LColor_color LyXText::backgroundColor() const
{
return LColor_color(LColor::color(background_color_));
}
-void LyXText::setHeightOfRow(BufferView const & bv, pit_type const pit,
- Row & row)
-{
- Paragraph const & par = pars_[pit];
- // get the maximum ascent and the maximum descent
- double layoutasc = 0;
- double layoutdesc = 0;
- double const dh = defaultRowHeight();
-
- // ok, let us initialize the maxasc and maxdesc value.
- // Only the fontsize count. The other properties
- // are taken from the layoutfont. Nicer on the screen :)
- LyXLayout_ptr const & layout = par.layout();
-
- // as max get the first character of this row then it can
- // increase but not decrease the height. Just some point to
- // start with so we don't have to do the assignment below too
- // often.
- Buffer const & buffer = *bv.buffer();
- LyXFont font = getFont(buffer, par, row.pos());
- LyXFont::FONT_SIZE const tmpsize = font.size();
- font = getLayoutFont(buffer, pit);
- LyXFont::FONT_SIZE const size = font.size();
- font.setSize(tmpsize);
-
- LyXFont labelfont = getLabelFont(buffer, par);
-
- FontMetrics const & labelfont_metrics = theFontMetrics(labelfont);
- FontMetrics const & fontmetrics = theFontMetrics(font);
-
- // these are minimum values
- double const spacing_val = layout->spacing.getValue()
- * spacing(*bv.buffer(), par);
- //lyxerr << "spacing_val = " << spacing_val << endl;
- int maxasc = int(fontmetrics.maxAscent() * spacing_val);
- int maxdesc = int(fontmetrics.maxDescent() * spacing_val);
-
- // insets may be taller
- InsetList::const_iterator ii = par.insetlist.begin();
- InsetList::const_iterator iend = par.insetlist.end();
- for ( ; ii != iend; ++ii) {
- if (ii->pos >= row.pos() && ii->pos < row.endpos()) {
- maxasc = max(maxasc, ii->inset->ascent());
- maxdesc = max(maxdesc, ii->inset->descent());
- }
- }
-
- // Check if any custom fonts are larger (Asger)
- // This is not completely correct, but we can live with the small,
- // cosmetic error for now.
- int labeladdon = 0;
- pos_type const pos_end = row.endpos();
-
- LyXFont::FONT_SIZE maxsize =
- par.highestFontInRange(row.pos(), pos_end, size);
- if (maxsize > font.size()) {
- font.setSize(maxsize);
- maxasc = max(maxasc, fontmetrics.maxAscent());
- maxdesc = max(maxdesc, fontmetrics.maxDescent());
- }
-
- // This is nicer with box insets:
- ++maxasc;
- ++maxdesc;
-
- row.ascent(maxasc);
-
- // is it a top line?
- if (row.pos() == 0) {
- Buffer const & buffer = *bv.buffer();
- BufferParams const & bufparams = buffer.params();
- // some parksips VERY EASY IMPLEMENTATION
- if (bufparams.paragraph_separation
- == BufferParams::PARSEP_SKIP
- && pit != 0
- && ((layout->isParagraph() && par.getDepth() == 0)
- || (pars_[pit - 1].layout()->isParagraph()
- && pars_[pit - 1].getDepth() == 0)))
- {
- maxasc += bufparams.getDefSkip().inPixels(bv);
- }
-
- if (par.params().startOfAppendix())
- maxasc += int(3 * dh);
-
- // This is special code for the chapter, since the label of this
- // layout is printed in an extra row
- if (layout->counter == "chapter"
- && !par.params().labelString().empty()) {
- labeladdon = int(labelfont_metrics.maxHeight()
- * layout->spacing.getValue()
- * spacing(buffer, par));
- }
-
- // special code for the top label
- if ((layout->labeltype == LABEL_TOP_ENVIRONMENT
- || layout->labeltype == LABEL_BIBLIO
- || layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT)
- && isFirstInSequence(pit, paragraphs())
- && !par.getLabelstring().empty())
- {
- labeladdon = int(
- labelfont_metrics.maxHeight()
- * layout->spacing.getValue()
- * spacing(*bv.buffer(), par)
- + (layout->topsep + layout->labelbottomsep) * dh);
- }
-
- // Add the layout spaces, for example before and after
- // a section, or between the items of a itemize or enumerate
- // environment.
-
- pit_type prev = depthHook(pit, pars_, par.getDepth());
- if (prev != pit
- && pars_[prev].layout() == layout
- && pars_[prev].getDepth() == par.getDepth()
- && pars_[prev].getLabelWidthString() == par.getLabelWidthString())
- {
- layoutasc = layout->itemsep * dh;
- } else if (pit != 0 || row.pos() != 0) {
- if (layout->topsep > 0)
- layoutasc = layout->topsep * dh;
- }
-
- prev = outerHook(pit, pars_);
- if (prev != pit_type(pars_.size())) {
- maxasc += int(pars_[prev].layout()->parsep * dh);
- } else if (pit != 0) {
- if (pars_[pit - 1].getDepth() != 0 ||
- pars_[pit - 1].layout() == layout) {
- maxasc += int(layout->parsep * dh);
- }
- }
- }
-
- // is it a bottom line?
- if (row.endpos() >= par.size()) {
- // add the layout spaces, for example before and after
- // a section, or between the items of a itemize or enumerate
- // environment
- pit_type nextpit = pit + 1;
- if (nextpit != pit_type(pars_.size())) {
- pit_type cpit = pit;
- double usual = 0;
- double unusual = 0;
-
- if (pars_[cpit].getDepth() > pars_[nextpit].getDepth()) {
- usual = pars_[cpit].layout()->bottomsep * dh;
- cpit = depthHook(cpit, paragraphs(), pars_[nextpit].getDepth());
- if (pars_[cpit].layout() != pars_[nextpit].layout()
- || pars_[nextpit].getLabelWidthString() != pars_[cpit].getLabelWidthString())
- {
- unusual = pars_[cpit].layout()->bottomsep * dh;
- }
- layoutdesc = max(unusual, usual);
- } else if (pars_[cpit].getDepth() == pars_[nextpit].getDepth()) {
- if (pars_[cpit].layout() != pars_[nextpit].layout()
- || pars_[nextpit].getLabelWidthString() != pars_[cpit].getLabelWidthString())
- layoutdesc = int(pars_[cpit].layout()->bottomsep * dh);
- }
- }
- }
-
- // incalculate the layout spaces
- maxasc += int(layoutasc * 2 / (2 + pars_[pit].getDepth()));
- maxdesc += int(layoutdesc * 2 / (2 + pars_[pit].getDepth()));
-
- // FIXME: the correct way is to do the following is to move the
- // following code in another method specially tailored for the
- // main LyXText. The following test is thus bogus.
- LyXText const & text = buffer.text();
- // Top and bottom margin of the document (only at top-level)
- if (&text == this) {
- if (pit == 0 && row.pos() == 0)
- maxasc += 20;
- if (pit + 1 == pit_type(pars_.size()) &&
- row.endpos() == par.size())
- maxdesc += 20;
- }
-
- row.ascent(maxasc + labeladdon);
- row.descent(maxdesc);
-}
-
-
void LyXText::breakParagraph(LCursor & cur, bool keep_layout)
{
BOOST_ASSERT(this == cur.text());
pars_[next_par].applyLayout(tclass.defaultLayout());
}
- while (!pars_[next_par].empty() && pars_[next_par].isNewline(0))
- pars_[next_par].eraseChar(0, cur.buffer().params().trackChanges);
+ while (!pars_[next_par].empty() && pars_[next_par].isNewline(0)) {
+ if (!pars_[next_par].eraseChar(0, cur.buffer().params().trackChanges))
+ break; // the character couldn't be deleted physically due to change tracking
+ }
ParIterator current_it(cur);
ParIterator last_it(cur);
updateLabels(cur.buffer(), current_it, last_it);
- // FIXME: Breaking a paragraph has nothing to do with setting a cursor.
- // Because of the mix between the model (the paragraph contents) and the
- // view (the paragraph breaking in rows, we have to do this here before
- // the setCursor() call below.
- bool changed_height = redoParagraph(cur.bv(), cpit);
- changed_height |= redoParagraph(cur.bv(), cpit + 1);
- if (changed_height)
- // A singlePar update is not enough in this case.
- cur.updateFlags(Update::Force);
+ // A singlePar update is not enough in this case.
+ cur.updateFlags(Update::Force);
// This check is necessary. Otherwise the new empty paragraph will
// be deleted automatically. And it is more friendly for the user!
if (cur.pos() != 0 || isempty)
- setCursor(cur, cur.pit() + 1, 0);
+ setCursor(cur.top(), cur.pit() + 1, 0);
else
- setCursor(cur, cur.pit(), 0);
+ setCursor(cur.top(), cur.pit(), 0);
}
par.insertChar(cur.pos(), c, current_font, cur.buffer().params().trackChanges);
- // FIXME: Inserting a character has nothing to do with setting a cursor.
- // Because of the mix between the model (the paragraph contents) and the
- // view (the paragraph breaking in rows, we have to do this here.
- if (redoParagraph(cur.bv(), cur.pit()))
- // A singlePar update is not enough in this case.
- cur.updateFlags(Update::Force);
- setCursor(cur, cur.pit(), cur.pos() + 1, false, cur.boundary());
+// cur.updateFlags(Update::Force);
+ setCursor(cur.top(), cur.pit(), cur.pos() + 1);
charInserted();
}
}
-RowMetrics LyXText::computeRowMetrics(Buffer const & buffer,
- pit_type const pit, Row const & row) const
-{
- RowMetrics result;
- Paragraph const & par = pars_[pit];
-
- double w = dim_.wid - row.width();
-
- bool const is_rtl = isRTL(buffer, par);
- if (is_rtl)
- result.x = rightMargin(buffer, par);
- else
- result.x = leftMargin(buffer, pit, row.pos());
-
- // is there a manual margin with a manual label
- LyXLayout_ptr const & layout = par.layout();
-
- if (layout->margintype == MARGIN_MANUAL
- && layout->labeltype == LABEL_MANUAL) {
- /// We might have real hfills in the label part
- int nlh = numberOfLabelHfills(par, row);
-
- // A manual label par (e.g. List) has an auto-hfill
- // between the label text and the body of the
- // paragraph too.
- // But we don't want to do this auto hfill if the par
- // is empty.
- if (!par.empty())
- ++nlh;
-
- if (nlh && !par.getLabelWidthString().empty())
- result.label_hfill = labelFill(buffer, par, row) / double(nlh);
- }
-
- // are there any hfills in the row?
- int const nh = numberOfHfills(par, row);
-
- if (nh) {
- if (w > 0)
- result.hfill = w / nh;
- // we don't have to look at the alignment if it is ALIGN_LEFT and
- // if the row is already larger then the permitted width as then
- // we force the LEFT_ALIGN'edness!
- } else if (int(row.width()) < maxwidth_) {
- // is it block, flushleft or flushright?
- // set x how you need it
- int align;
- if (par.params().align() == LYX_ALIGN_LAYOUT)
- align = layout->align;
- else
- align = par.params().align();
-
- // Display-style insets should always be on a centred row
- // The test on par.size() is to catch zero-size pars, which
- // would trigger the assert in Paragraph::getInset().
- //inset = par.size() ? par.getInset(row.pos()) : 0;
- if (!par.empty()
- && par.isInset(row.pos())
- && par.getInset(row.pos())->display())
- {
- align = LYX_ALIGN_CENTER;
- }
-
- switch (align) {
- case LYX_ALIGN_BLOCK: {
- int const ns = numberOfSeparators(par, row);
- bool disp_inset = false;
- if (row.endpos() < par.size()) {
- InsetBase const * in = par.getInset(row.endpos());
- if (in)
- disp_inset = in->display();
- }
- // If we have separators, this is not the last row of a
- // par, does not end in newline, and is not row above a
- // display inset... then stretch it
- if (ns
- && row.endpos() < par.size()
- && !par.isNewline(row.endpos() - 1)
- && !disp_inset
- ) {
- result.separator = w / ns;
- } else if (is_rtl) {
- result.x += w;
- }
- break;
- }
- case LYX_ALIGN_RIGHT:
- result.x += w;
- break;
- case LYX_ALIGN_CENTER:
- result.x += w / 2;
- break;
- }
- }
-
- bidi.computeTables(par, buffer, row);
- if (is_rtl) {
- pos_type body_pos = par.beginOfBody();
- pos_type end = row.endpos();
-
- if (body_pos > 0
- && (body_pos > end || !par.isLineSeparator(body_pos - 1)))
- {
- docstring const lsep = from_utf8(layout->labelsep);
- result.x += theFontMetrics(getLabelFont(buffer, par)).width(lsep);
- if (body_pos <= end)
- result.x += result.label_hfill;
- }
- }
-
- return result;
-}
-
-
// the cursor set functions have a special mechanism. When they
// realize, that you left an empty paragraph, they will delete it.
cur.resetAnchor();
setCursor(cur, to.pit(), to.pos());
cur.setSelection();
+ theSelection().haveSelection(cur.selection());
}
}
-void LyXText::acceptChange(LCursor & cur)
+void LyXText::acceptOrRejectChange(LCursor & cur, bool accept)
{
- // FIXME: change tracking (MG)
-
BOOST_ASSERT(this == cur.text());
- if (!cur.selection() && cur.lastpos() != 0)
+ if (!cur.selection())
return;
- // FIXME: we must handle start = end = 0
-
- recordUndoSelection(cur, Undo::INSERT);
+ recordUndoSelection(cur, Undo::ATOMIC);
- DocIterator it = cur.selectionBegin();
- DocIterator et = cur.selectionEnd();
- pit_type pit = it.pit();
- for (; pit <= et.pit(); ++pit) {
- pos_type left = (pit == it.pit() ? it.pos() : 0);
- pos_type right = (pit == et.pit() ? et.pos() : pars_[pit].size());
- pars_[pit].acceptChanges(left, right);
+ pit_type begPit = cur.selectionBegin().pit();
+ pit_type endPit = cur.selectionEnd().pit();
- // merge paragraph if appropriate:
- // if (right >= pars_[pit].size() && pit + 1 < et.pit() &&
- // pars_[pit].isDeleted(pars_[pit].size())) {
- // setCursorIntern(cur, pit + 1, 0);
- // backspacePos0(cur);
- //}
- }
- finishUndo();
- cur.clearSelection();
- setCursorIntern(cur, it.pit(), 0);
-}
+ pos_type begPos = cur.selectionBegin().pos();
+ pos_type endPos = cur.selectionEnd().pos();
+ // keep selection info, because endPos becomes invalid after the first loop
+ bool endsBeforeEndOfPar = (endPos < pars_[endPit].size());
-void LyXText::rejectChange(LCursor & cur)
-{
- // FIXME: change tracking (MG)
+ // first, accept/reject changes within each individual paragraph (do not consider end-of-par)
+
+ for (pit_type pit = begPit; pit <= endPit; ++pit) {
+ pos_type parSize = pars_[pit].size();
- BOOST_ASSERT(this == cur.text());
+ // ignore empty paragraphs; otherwise, an assertion will fail for
+ // acceptChanges(bparams, 0, 0) or rejectChanges(bparams, 0, 0)
+ if (parSize == 0)
+ continue;
- if (!cur.selection() && cur.lastpos() != 0)
- return;
+ // do not consider first paragraph if the cursor starts at pos size()
+ if (pit == begPit && begPos == parSize)
+ continue;
- // FIXME: we must handle start = end = 0
+ // do not consider last paragraph if the cursor ends at pos 0
+ if (pit == endPit && endPos == 0)
+ break; // last iteration anyway
- recordUndoSelection(cur, Undo::INSERT);
+ pos_type left = (pit == begPit ? begPos : 0);
+ pos_type right = (pit == endPit ? endPos : parSize);
- DocIterator it = cur.selectionBegin();
- DocIterator et = cur.selectionEnd();
- pit_type pit = it.pit();
- for (; pit <= et.pit(); ++pit) {
- pos_type left = (pit == it.pit() ? it.pos() : 0);
- pos_type right = (pit == et.pit() ? et.pos() : pars_[pit].size());
- pars_[pit].rejectChanges(left, right);
+ if (accept) {
+ pars_[pit].acceptChanges(cur.buffer().params(), left, right);
+ } else {
+ pars_[pit].rejectChanges(cur.buffer().params(), left, right);
+ }
+ }
+
+ // next, accept/reject imaginary end-of-par characters
+
+ for (pit_type pit = begPit; pit <= endPit; ++pit) {
+ pos_type pos = pars_[pit].size();
+
+ // skip if the selection ends before the end-of-par
+ if (pit == endPit && endsBeforeEndOfPar)
+ break; // last iteration anyway
+
+ // skip if this is not the last paragraph of the document
+ // note: the user should be able to accept/reject the par break of the last par!
+ if (pit == endPit && pit != pars_.size() - 1)
+ break; // last iteration anway
+
+ if (accept) {
+ if (pars_[pit].isInserted(pos)) {
+ pars_[pit].setChange(pos, Change(Change::UNCHANGED));
+ } else if (pars_[pit].isDeleted(pos)) {
+ if (pit == pars_.size() - 1) {
+ // we cannot remove a par break at the end of the last paragraph;
+ // instead, we mark it unchanged
+ pars_[pit].setChange(pos, Change(Change::UNCHANGED));
+ } else {
+ mergeParagraph(cur.buffer().params(), pars_, pit);
+ --endPit;
+ --pit;
+ }
+ }
+ } else {
+ if (pars_[pit].isDeleted(pos)) {
+ pars_[pit].setChange(pos, Change(Change::UNCHANGED));
+ } else if (pars_[pit].isInserted(pos)) {
+ if (pit == pars_.size() - 1) {
+ // we mark the par break at the end of the last paragraph unchanged
+ pars_[pit].setChange(pos, Change(Change::UNCHANGED));
+ } else {
+ mergeParagraph(cur.buffer().params(), pars_, pit);
+ --endPit;
+ --pit;
+ }
+ }
+ }
+ }
- // merge paragraph if appropriate:
- // if (right >= pars_[pit].size() && pit + 1 < et.pit() &&
- // pars_[pit].isInserted(pars_[pit].size())) {
- // setCursorIntern(cur, pit + 1, 0);
- // backspacePos0(cur);
- //}
+ // finally, invoke the DEPM
+ // FIXME: the following code will be changed in the near future
+ setCursorIntern(cur, endPit, 0);
+ for (pit_type pit = endPit - 1; pit >= begPit; --pit) {
+ bool dummy;
+ LCursor old = cur;
+ setCursorIntern(cur, pit, 0);
+ deleteEmptyParagraphMechanism(cur, old, dummy);
}
+
finishUndo();
cur.clearSelection();
- setCursorIntern(cur, it.pit(), 0);
+ setCursorIntern(cur, begPit, begPos);
+ cur.updateFlags(Update::Force);
+ updateLabels(cur.buffer());
}
// this is the code for a normal delete, not pasting
// any paragraphs
recordUndo(cur, Undo::DELETE);
- par.eraseChar(cur.pos(), cur.buffer().params().trackChanges);
- if (par.isDeleted(cur.pos()))
+ if(!par.eraseChar(cur.pos(), cur.buffer().params().trackChanges)) {
+ // the character has been logically deleted only => skip it
cur.forwardPosNoDescend();
+ }
needsUpdate = true;
} else {
if (cur.pit() == cur.lastpit())
}
}
- // FIXME: Inserting characters has nothing to do with setting a cursor.
- // Because of the mix between the model (the paragraph contents)
- // and the view (the paragraph breaking in rows, we have to do this
- // here before the setCursorIntern() call.
if (needsUpdate) {
- if (redoParagraph(cur.bv(), cur.pit()))
- // A singlePar update is not enough in this case.
- cur.updateFlags(Update::Force);
// Make sure the cursor is correct. Is this really needed?
// No, not really... at least not here!
- cur.text()->setCursorIntern(cur, cur.pit(), cur.pos());
+ cur.text()->setCursor(cur.top(), cur.pit(), cur.pos());
}
return needsUpdate;
if (cur.pos() == cur.lastpos())
setCurrentFont(cur);
- // FIXME: Backspacing has nothing to do with setting a cursor.
- // Because of the mix between the model (the paragraph contents)
- // and the view (the paragraph breaking in rows, we have to do this
- // here before the setCursor() call.
- if (redoParagraph(cur.bv(), cur.pit()))
- // A singlePar update is not enough in this case.
- cur.updateFlags(Update::Force);
- setCursor(cur, cur.pit(), cur.pos(), false, cur.boundary());
+ // A singlePar update is not enough in this case.
+// cur.updateFlags(Update::Force);
+ setCursor(cur.top(), cur.pit(), cur.pos());
return needsUpdate;
}
if (isMainText(*cur.bv().buffer()) || cur.inset().nargs() != 1)
return false;
- bool const in_ert = cur.inset().lyxCode() == InsetBase::ERT_CODE;
recordUndoInset(cur);
cur.selHandle(false);
// save position
Buffer & b = cur.buffer();
cur.paragraph().eraseChar(cur.pos(), b.params().trackChanges);
if (!plist.empty()) {
- if (in_ert) {
- // ERT paragraphs have the Language latex_language.
- // This is invalid outside of ERT, so we need to
- // change it to the buffer language.
- ParagraphList::iterator it = plist.begin();
- ParagraphList::iterator it_end = plist.end();
- for (; it != it_end; it++) {
- it->changeLanguage(b.params(),
- latex_language,
- b.getLanguage());
- }
+ // ERT paragraphs have the Language latex_language.
+ // This is invalid outside of ERT, so we need to
+ // change it to the buffer language.
+ ParagraphList::iterator it = plist.begin();
+ ParagraphList::iterator it_end = plist.end();
+ for (; it != it_end; it++) {
+ it->changeLanguage(b.params(), latex_language,
+ b.getLanguage());
}
pasteParagraphList(cur, plist, b.params().textclass,
}
-Row const & LyXText::firstRow() const
-{
- return *paragraphs().front().rows().begin();
-}
-
-
-bool LyXText::redoParagraph(BufferView & bv, pit_type const pit)
-{
- // remove rows of paragraph, keep track of height changes
- Paragraph & par = pars_[pit];
- Buffer const & buffer = *bv.buffer();
-
- bool changed = false;
-
- // Add bibitem insets if necessary
- if (par.layout()->labeltype == LABEL_BIBLIO) {
- bool hasbibitem(false);
- if (!par.insetlist.empty()
- // Insist on it being in pos 0
- && par.getChar(0) == Paragraph::META_INSET) {
- InsetBase * inset = par.insetlist.begin()->inset;
- if (inset->lyxCode() == InsetBase::BIBITEM_CODE)
- hasbibitem = true;
- }
- if (!hasbibitem) {
- InsetBibitem * inset(new
- InsetBibitem(InsetCommandParams("bibitem")));
- par.insertInset(0, static_cast<InsetBase *>(inset),
- Change(buffer.params().trackChanges ?
- Change::INSERTED : Change::UNCHANGED));
- bv.cursor().posRight();
- }
- }
-
- // Optimisation: this is used in the next two loops
- // so better to calculate that once here.
- int right_margin = rightMargin(buffer, par);
-
- // redo insets
- // FIXME: We should always use getFont(), see documentation of
- // noFontChange() in insetbase.h.
- LyXFont const bufferfont = buffer.params().getFont();
- InsetList::const_iterator ii = par.insetlist.begin();
- InsetList::const_iterator iend = par.insetlist.end();
- for (; ii != iend; ++ii) {
- Dimension dim;
- int const w = maxwidth_ - leftMargin(buffer, pit, ii->pos)
- - right_margin;
- LyXFont const & font = ii->inset->noFontChange() ?
- bufferfont :
- getFont(buffer, par, ii->pos);
- MetricsInfo mi(&bv, font, w);
- changed |= ii->inset->metrics(mi, dim);
- }
-
- // rebreak the paragraph
- par.rows().clear();
- Dimension dim;
-
- par.setBeginOfBody();
- pos_type z = 0;
- do {
- Row row(z);
- rowBreakPoint(buffer, right_margin, pit, row);
- setRowWidth(buffer, pit, row);
- setHeightOfRow(bv, pit, row);
- par.rows().push_back(row);
- dim.wid = std::max(dim.wid, row.width());
- dim.des += row.height();
- z = row.endpos();
- } while (z < par.size());
-
- // Make sure that if a par ends in newline, there is one more row
- // under it
- // FIXME this is a dirty trick. Now the _same_ position in the
- // paragraph occurs in _two_ different rows, and has two different
- // display positions, leading to weird behaviour when moving up/down.
- if (z > 0 && par.isNewline(z - 1)) {
- Row row(z - 1);
- row.endpos(z - 1);
- setRowWidth(buffer, pit, row);
- setHeightOfRow(bv, pit, row);
- par.rows().push_back(row);
- dim.des += row.height();
- }
-
- dim.asc += par.rows()[0].ascent();
- dim.des -= par.rows()[0].ascent();
-
- changed |= dim.height() != par.dim().height();
-
- par.dim() = dim;
- //lyxerr << "redoParagraph: " << par.rows().size() << " rows\n";
-
- return changed;
-}
-
-
-bool LyXText::metrics(MetricsInfo & mi, Dimension & dim)
-{
- //BOOST_ASSERT(mi.base.textwidth);
- if (mi.base.textwidth)
- maxwidth_ = mi.base.textwidth;
- //lyxerr << "LyXText::metrics: width: " << mi.base.textwidth
- // << " maxWidth: " << maxwidth_ << "\nfont: " << mi.base.font << endl;
- // save the caller's font locally:
- font_ = mi.base.font;
-
- bool changed = false;
-
- unsigned int h = 0;
- unsigned int w = 0;
- for (pit_type pit = 0, n = paragraphs().size(); pit != n; ++pit) {
- changed |= redoParagraph(*mi.base.bv, pit);
- Paragraph & par = paragraphs()[pit];
- h += par.height();
- if (w < par.width())
- w = par.width();
- }
-
- dim.wid = w;
- dim.asc = pars_[0].ascent();
- dim.des = h - dim.asc;
-
- changed |= dim_ != dim;
- dim_ = dim;
- return changed;
-}
-
-
// only used for inset right now. should also be used for main text
void LyXText::draw(PainterInfo & pi, int x, int y) const
{
Paragraph const & par1 = pars_[beg.pit()];
Paragraph const & par2 = pars_[end.pit()];
+ TextMetrics const & tm = bv.textMetrics(this);
+ ParagraphMetrics const & pm1 = tm.parMetrics(beg.pit());
+ ParagraphMetrics const & pm2 = tm.parMetrics(end.pit());
bool const above = (bv_funcs::status(&bv, beg)
== bv_funcs::CUR_ABOVE);
y1 = 0;
y2 = 0;
x1 = 0;
- x2 = dim_.wid;
+ x2 = tm.width();
} else {
- Row const & row1 = par1.getRow(beg.pos(), beg.boundary());
+ Row const & row1 = pm1.getRow(beg.pos(), beg.boundary());
y1 = bv_funcs::getPos(bv, beg, beg.boundary()).y_ - row1.ascent();
y2 = y1 + row1.height();
- int const startx = cursorX(buffer, beg.top(), beg.boundary());
+ int const startx = cursorX(bv, beg.top(), beg.boundary());
if (!isRTL(buffer, par1)) {
x1 = startx;
- x2 = 0 + dim_.wid;
+ x2 = 0 + tm.width();
}
else {
x1 = 0;
Y1 = bv.workHeight();
Y2 = bv.workHeight();
X1 = 0;
- X2 = dim_.wid;
+ X2 = tm.width();
} else {
- Row const & row2 = par2.getRow(end.pos(), end.boundary());
+ Row const & row2 = pm2.getRow(end.pos(), end.boundary());
Y1 = bv_funcs::getPos(bv, end, end.boundary()).y_ - row2.ascent();
Y2 = Y1 + row2.height();
- int const endx = cursorX(buffer, end.top(), end.boundary());
+ int const endx = cursorX(bv, end.top(), end.boundary());
if (!isRTL(buffer, par2)) {
X1 = 0;
X2 = endx;
}
else {
X1 = endx;
- X2 = 0 + dim_.wid;
+ X2 = 0 + tm.width();
}
}
- if (!above && !below && &par1.getRow(beg.pos(), beg.boundary())
- == &par2.getRow(end.pos(), end.boundary()))
+ if (!above && !below && &pm1.getRow(beg.pos(), beg.boundary())
+ == &pm2.getRow(end.pos(), end.boundary()))
{
// paint only one rectangle
int const b( !isRTL(*bv.buffer(), par1) ? x + x1 : x + X1 );
if (lyxerr.debugging(Debug::DEBUG)) {
lyxerr[Debug::DEBUG] << " y1: " << y1 << " y2: " << y2
- << "X1:" << X1 << " x2: " << X2 << " wid: " << dim_.wid
+ << "X1:" << X1 << " x2: " << X2 << " wid: " << tm.width()
<< endl;
}
pi.pain.fillRectangle(x + X1, Y1, X2 - X1, Y2 - Y1,
LColor::selection);
// paint center rectangle
- pi.pain.fillRectangle(x, y2, dim_.wid,
+ pi.pain.fillRectangle(x, y2, tm.width(),
Y1 - y2, LColor::selection);
}
+
bool LyXText::isLastRow(pit_type pit, Row const & row) const
{
return row.endpos() >= pars_[pit].size()
return true;
}
-
-int LyXText::ascent() const
-{
- return dim_.asc;
-}
-
-
-int LyXText::descent() const
-{
- return dim_.des;
-}
-
-
-int LyXText::cursorX(Buffer const & buffer, CursorSlice const & sl,
+int LyXText::cursorX(BufferView const & bv, CursorSlice const & sl,
bool boundary) const
{
+ TextMetrics const & tm = bv.textMetrics(sl.text());
pit_type const pit = sl.pit();
Paragraph const & par = pars_[pit];
- if (par.rows().empty())
+ ParagraphMetrics const & pm = tm.parMetrics(pit);
+ if (pm.rows().empty())
return 0;
pos_type ppos = sl.pos();
if (boundary_correction)
--ppos;
- Row const & row = par.getRow(sl.pos(), boundary);
+ Row const & row = pm.getRow(sl.pos(), boundary);
pos_type cursor_vpos = 0;
- RowMetrics const m = computeRowMetrics(buffer, pit, row);
+ Buffer const & buffer = *bv.buffer();
+ RowMetrics const m = tm.computeRowMetrics(pit, row);
double x = m.x;
pos_type const row_pos = row.pos();
}
-int LyXText::cursorY(CursorSlice const & sl, bool boundary) const
+int LyXText::cursorY(BufferView const & bv, CursorSlice const & sl, bool boundary) const
{
//lyxerr << "LyXText::cursorY: boundary: " << boundary << std::endl;
- Paragraph const & par = getPar(sl.pit());
- if (par.rows().empty())
+ ParagraphMetrics const & pm = bv.parMetrics(this, sl.pit());
+ if (pm.rows().empty())
return 0;
int h = 0;
- h -= pars_[0].rows()[0].ascent();
- for (pit_type pit = 0; pit < sl.pit(); ++pit)
- h += pars_[pit].height();
+ h -= bv.parMetrics(this, 0).rows()[0].ascent();
+ for (pit_type pit = 0; pit < sl.pit(); ++pit) {
+ h += bv.parMetrics(this, pit).height();
+ }
int pos = sl.pos();
if (pos && boundary)
--pos;
- size_t const rend = par.pos2row(pos);
+ size_t const rend = pm.pos2row(pos);
for (size_t rit = 0; rit != rend; ++rit)
- h += par.rows()[rit].height();
- h += par.rows()[rend].ascent();
+ h += pm.rows()[rit].height();
+ h += pm.rows()[rend].ascent();
return h;
}
odocstringstream os;
if (buf.params().trackChanges)
- os << "[C] ";
+ os << _("[Change Tracking] ");
Change change = par.lookupChange(cur.pos());
LyXFont font = real_current_font;
font.reduce(buf.params().getFont());
- // FIXME UNICODE
- os << bformat(_("Font: %1$s"), from_utf8(font.stateText(&buf.params())));
+ os << bformat(_("Font: %1$s"), font.stateText(&buf.params()));
// The paragraph depth
int depth = cur.paragraph().getDepth();
}
-//pos_type LyXText::x2pos(pit_type pit, int row, int x) const
-//{
-// int lastx = 0;
-// int currx = 0;
-// Paragraph const & par = pars_[pit];
-// Row const & r = par.rows()[row];
-// int pos = r.pos();
-// for (; currx < x && pos < r.endpos(); ++pos) {
-// lastx = currx;
-// currx += singleWidth(buffer, par, pos);
-// }
-// if (abs(lastx - x) < abs(currx - x) && pos != r.pos())
-// --pos;
-// return pos;
-//}
-
-
-pos_type LyXText::x2pos(BufferView const & bv, pit_type pit, int row,
- int x) const
-{
- BOOST_ASSERT(!pars_[pit].rows().empty());
- BOOST_ASSERT(row < int(pars_[pit].rows().size()));
- bool bound = false;
- Row const & r = pars_[pit].rows()[row];
- return r.pos() + getColumnNearX(bv, pit, r, x, bound);
-}
-
-
-//int LyXText::pos2x(pit_type pit, pos_type pos) const
-//{
-// Paragraph const & par = pars_[pit];
-// Row const & r = par.rows()[row];
-// int x = 0;
-// pos -= r.pos();
-//}
-
-
-// x,y are screen coordinates
-// sets cursor only within this LyXText
-bool LyXText::setCursorFromCoordinates(LCursor & cur, int const x, int const y)
+void LyXText::setCursorFromCoordinates(LCursor & cur, int const x, int const y)
{
BOOST_ASSERT(this == cur.text());
pit_type pit = getPitNearY(cur.bv(), y);
- int yy = cur.bv().coordCache().get(this, pit).y_ - pars_[pit].ascent();
+
+ TextMetrics const & tm = cur.bv().textMetrics(this);
+ ParagraphMetrics const & pm = tm.parMetrics(pit);
+
+ int yy = cur.bv().coordCache().get(this, pit).y_ - pm.ascent();
lyxerr[Debug::DEBUG]
<< BOOST_CURRENT_FUNCTION
<< ": x: " << x
<< " pit: " << pit
<< " yy: " << yy << endl;
- Paragraph const & par = pars_[pit];
int r = 0;
- BOOST_ASSERT(par.rows().size());
- for (; r < int(par.rows().size()) - 1; ++r) {
- Row const & row = par.rows()[r];
+ BOOST_ASSERT(pm.rows().size());
+ for (; r < int(pm.rows().size()) - 1; ++r) {
+ Row const & row = pm.rows()[r];
if (int(yy + row.height()) > y)
break;
yy += row.height();
}
- Row const & row = par.rows()[r];
+ Row const & row = pm.rows()[r];
lyxerr[Debug::DEBUG]
<< BOOST_CURRENT_FUNCTION
bool bound = false;
int xx = x;
- pos_type const pos = row.pos() + getColumnNearX(cur.bv(), pit, row,
- xx, bound);
+ pos_type const pos = row.pos()
+ + tm.getColumnNearX(pit, row, xx, bound);
lyxerr[Debug::DEBUG]
<< BOOST_CURRENT_FUNCTION
<< " pos: " << pos
<< endl;
- return setCursor(cur, pit, pos, true, bound);
+ setCursor(cur, pit, pos, true, bound);
+ // remember new position.
+ cur.setTargetX();
}
projects / lyx.git / blobdiff