* Licence details can be found in the file COPYING.
*
* \author Asger Alstrup
- * \author Lars Gullik Bjønnes
+ * \author Lars Gullik Bjønnes
* \author Jean-Marc Lasgouttes
* \author John Levon
- * \author André Pönitz
+ * \author André Pönitz
* \author Dekel Tsur
- * \author Jürgen Vigna
+ * \author Jürgen Vigna
* \author Abdelrazak Younes
*
* Full author contact details are available in file CREDITS.
#include "CoordCache.h"
#include "Cursor.h"
#include "CutAndPaste.h"
-#include "FontIterator.h"
#include "FuncRequest.h"
#include "InsetList.h"
#include "Layout.h"
#include "frontends/Painter.h"
#include "support/debug.h"
+#include <cstdlib>
+#include "support/lassert.h"
using namespace std;
+
namespace lyx {
using frontend::FontMetrics;
-namespace {
-
-int numberOfSeparators(Paragraph const & par, Row const & row)
+static 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 numberOfLabelHfills(Paragraph const & par, Row const & row)
+static int numberOfLabelHfills(Paragraph const & par, Row const & row)
{
pos_type last = row.endpos() - 1;
pos_type first = row.pos();
}
-int numberOfHfills(Paragraph const & par, Row const & row)
+static int numberOfHfills(Paragraph const & par, Row const & row)
{
pos_type const last = row.endpos();
pos_type first = row.pos();
return n;
}
-} // namespace anon
+
+/////////////////////////////////////////////////////////////////////
+//
+// TextMetrics
+//
+/////////////////////////////////////////////////////////////////////
+
TextMetrics::TextMetrics(BufferView * bv, Text * text)
: bv_(bv), text_(text)
{
- BOOST_ASSERT(bv_);
+ LASSERT(bv_, /**/);
max_width_ = bv_->workWidth();
dim_.wid = max_width_;
dim_.asc = 10;
}
-bool TextMetrics::has(pit_type pit) const
+bool TextMetrics::contains(pit_type pit) const
{
return par_metrics_.find(pit) != par_metrics_.end();
}
bool TextMetrics::metrics(MetricsInfo & mi, Dimension & dim, int min_width)
{
- BOOST_ASSERT(mi.base.textwidth);
+ LASSERT(mi.base.textwidth > 0, /**/);
max_width_ = mi.base.textwidth;
// backup old dimension.
Dimension const old_dim = dim_;
dim_.wid = min_width;
pit_type const npar = text_->paragraphs().size();
if (npar > 1)
- // If there is more than one row, expand the text to
+ // If there is more than one row, expand the text to
// the full allowable width.
dim_.wid = max_width_;
}
-Font TextMetrics::getDisplayFont(pit_type pit, pos_type pos) const
+Font TextMetrics::displayFont(pit_type pit, pos_type pos) const
{
- BOOST_ASSERT(pos >= 0);
+ LASSERT(pos >= 0, /**/);
ParagraphList const & pars = text_->paragraphs();
Paragraph const & par = pars[pit];
- LayoutPtr const & layout = par.layout();
+ Layout const & layout = par.layout();
Buffer const & buffer = bv_->buffer();
// FIXME: broken?
BufferParams const & params = buffer.params();
Font f = par.getFontSettings(params, pos);
if (!text_->isMainText(buffer))
applyOuterFont(f);
- bool lab = layout->labeltype == LABEL_MANUAL && pos < body_pos;
+ bool lab = layout.labeltype == LABEL_MANUAL && pos < body_pos;
+
+ FontInfo const & lf = lab ? layout.labelfont : layout.font;
+ FontInfo rlf = lab ? layout.reslabelfont : layout.resfont;
- FontInfo const & lf = lab ? layout->labelfont : layout->font;
- FontInfo rlf = lab ? layout->reslabelfont : layout->resfont;
-
// In case the default family has been customized
if (lf.family() == INHERIT_FAMILY)
rlf.setFamily(params.getFont().fontInfo().family());
}
// The uncommon case need not be optimized as much
- FontInfo const & layoutfont = pos < body_pos ?
- layout->labelfont : layout->font;
+ FontInfo const & layoutfont = pos < body_pos ?
+ layout.labelfont : layout.font;
Font font = par.getFontSettings(params, pos);
font.fontInfo().realize(layoutfont);
int correction = 0;
if (boundary && sl.pos() > 0)
correction = -1;
-
- return getDisplayFont(sl.pit(), sl.pos() + correction).isVisibleRightToLeft();
+
+ return displayFont(sl.pit(), sl.pos() + correction).isVisibleRightToLeft();
}
if (pos == 0)
return false;
- Paragraph const & par = text_->getPar(pit);
+ Font const & left_font = displayFont(pit, pos - 1);
- bool left = getDisplayFont(pit, pos - 1).isVisibleRightToLeft();
- bool right;
- if (pos == par.size())
- right = par.isRTL(bv_->buffer().params());
- else
- right = getDisplayFont(pit, pos).isVisibleRightToLeft();
- return left != right;
+ return isRTLBoundary(pit, pos, left_font);
}
if (pos == par.size())
right = par.isRTL(bv_->buffer().params());
else
- right = getDisplayFont(pit, pos).isVisibleRightToLeft();
+ right = displayFont(pit, pos).isVisibleRightToLeft();
return left != right;
}
main_text_ = (text_ == &buffer.text());
bool changed = false;
- // FIXME This check ought to be done somewhere else. It is the reason
+ // FIXME: This check ought to be done somewhere else. It is the reason
// why text_ is not const. But then, where else to do it?
// Well, how can you end up with either (a) a biblio environment that
// has no InsetBibitem or (b) a biblio environment with more than one
// InsetBibitem? I think the answer is: when paragraphs are merged;
// when layout is set; when material is pasted.
- int const moveCursor = par.checkBiblio(buffer.params().trackChanges);
+ int const moveCursor = par.checkBiblio(buffer);
if (moveCursor > 0)
const_cast<Cursor &>(bv_->cursor()).posForward();
else if (moveCursor < 0) {
LYXERR(Debug::INFO, "MacroContext not initialised!"
<< " Going through the buffer again and hope"
<< " the context is better then.");
- updateLabels(bv_->buffer());
+ bv_->buffer().updateLabels();
parPos = text_->macrocontextPosition();
- BOOST_ASSERT(!parPos.empty());
+ LASSERT(!parPos.empty(), /**/);
parPos.pit() = pit;
}
-
+
// redo insets
// FIXME: We should always use getFont(), see documentation of
// noFontChange() in Inset.h.
// position already initialized?
if (!parPos.empty()) {
parPos.pos() = ii->pos;
-
- // A macro template would normally not be visible
- // by itself. But the tex macro semantics allow
+
+ // A macro template would normally not be visible
+ // by itself. But the tex macro semantics allow
// recursion, so we artifically take the context
// after the macro template to simulate this.
if (ii->inset->lyxCode() == MATHMACRO_CODE)
int const w = max_width_ - leftMargin(max_width_, pit, ii->pos)
- right_margin;
Font const & font = ii->inset->noFontChange() ?
- bufferfont : getDisplayFont(pit, ii->pos);
+ bufferfont : displayFont(pit, ii->pos);
MacroContext mc(buffer, parPos);
MetricsInfo mi(bv_, font.fontInfo(), w, mc);
ii->inset->metrics(mi, dim);
Dimension const old_dim = pm.insetDimension(ii->inset);
- pm.setInsetDimension(ii->inset, dim);
- changed |= (old_dim != dim);
- }
-
- Cursor const & cur = bv_->cursor();
- DocIterator sel_beg = cur.selectionBegin();
- DocIterator sel_end = cur.selectionEnd();
- bool selection = cur.selection()
- // This is out text.
- && cur.text() == text_
- // if the anchor is outside, this is not our selection
- && cur.anchor().text() == text_
- && pit >= sel_beg.pit() && pit <= sel_end.pit();
-
- // We care only about visible selection.
- if (selection) {
- if (pit != sel_beg.pit()) {
- sel_beg.pit() = pit;
- sel_beg.pos() = 0;
- }
- if (pit != sel_end.pit()) {
- sel_end.pit() = pit;
- sel_end.pos() = sel_end.lastpos();
+ if (old_dim != dim) {
+ pm.setInsetDimension(ii->inset, dim);
+ changed = true;
}
}
Dimension dim;
pos_type end = rowBreakPoint(width, pit, first);
if (row_index || end < par.size())
- // If there is more than one row, expand the text to
+ // If there is more than one row, expand the text to
// the full allowable width. This setting here is needed
// for the computeRowMetrics() below.
dim_.wid = max_width_;
row.setChanged(false);
row.pos(first);
row.endpos(end);
- if (selection)
- row.setSelection(sel_beg.pos(), sel_end.pos());
- else
- row.setSelection(-1, -1);
row.setDimension(dim);
int const max_row_width = max(dim_.wid, dim.wid);
computeRowMetrics(pit, row, max_row_width);
double w = width - row.width();
// FIXME: put back this assertion when the crash on new doc is solved.
- //BOOST_ASSERT(w >= 0);
+ //LASSERT(w >= 0, /**/);
//lyxerr << "\ndim_.wid " << dim_.wid << endl;
//lyxerr << "row.width() " << row.width() << endl;
row.x = leftMargin(max_width_, pit, row.pos());
// is there a manual margin with a manual label
- LayoutPtr const & layout = par.layout();
+ Layout const & layout = par.layout();
- if (layout->margintype == MARGIN_MANUAL
- && layout->labeltype == LABEL_MANUAL) {
+ if (layout.margintype == MARGIN_MANUAL
+ && layout.labeltype == LABEL_MANUAL) {
/// We might have real hfills in the label part
int nlh = numberOfLabelHfills(par, row);
// set x how you need it
int align;
if (par.params().align() == LYX_ALIGN_LAYOUT)
- align = layout->align;
+ align = layout.align;
else
align = par.params().align();
+ // handle alignment inside tabular cells
+ Inset const & owner = par.inInset();
+ switch (owner.contentAlignment()) {
+ case LYX_ALIGN_CENTER:
+ case LYX_ALIGN_LEFT:
+ case LYX_ALIGN_RIGHT:
+ if (align == LYX_ALIGN_NONE
+ || align == LYX_ALIGN_BLOCK)
+ align = owner.contentAlignment();
+ break;
+ default:
+ // unchanged (use align)
+ break;
+ }
+
// Display-style insets should always be on a centred row
if (Inset const * inset = par.getInset(row.pos())) {
switch (inset->display()) {
if (body_pos > 0
&& (body_pos > end || !par.isLineSeparator(body_pos - 1)))
{
- row.x += theFontMetrics(text_->getLabelFont(buffer, par)).
- width(layout->labelsep);
+ row.x += theFontMetrics(text_->labelFont(buffer, par)).
+ width(layout.labelsep);
if (body_pos <= end)
row.x += row.label_hfill;
}
InsetList::const_iterator iend = par.insetList().end();
for ( ; ii != iend; ++ii) {
if (ii->pos >= endpos || ii->pos < row.pos()
- || ii->inset->lyxCode() != HFILL_CODE)
+ || (ii->inset->lyxCode() != SPACE_CODE ||
+ !ii->inset->isStretchableSpace()))
continue;
Dimension dim = row.dimension();
if (pm.hfillExpansion(row, ii->pos))
max(hfill, 5.0) : row.label_hfill);
else
dim.wid = 5;
- // Cache the inset dimension.
+ // Cache the inset dimension.
bv_->coordCache().insets().add(ii->inset, dim);
pm.setInsetDimension(ii->inset, dim);
}
Paragraph const & par = text_->getPar(pit);
pos_type last = par.beginOfBody();
- BOOST_ASSERT(last > 0);
+ LASSERT(last > 0, /**/);
// -1 because a label ends with a space that is in the label
--last;
return 0;
FontMetrics const & fm
- = theFontMetrics(text_->getLabelFont(buffer, par));
+ = theFontMetrics(text_->labelFont(buffer, par));
return max(0, fm.width(label) - w);
}
int TextMetrics::labelEnd(pit_type const pit) const
{
// labelEnd is only needed if the layout fills a flushleft label.
- if (text_->getPar(pit).layout()->margintype != MARGIN_MANUAL)
+ if (text_->getPar(pit).layout().margintype != MARGIN_MANUAL)
return 0;
// return the beginning of the body
return leftMargin(max_width_, pit);
}
+namespace {
+
+/**
+ * Calling Text::getFont is slow. While rebreaking we scan a
+ * paragraph from left to right calling getFont for every char. This
+ * simple class address this problem by hidding an optimization trick
+ * (not mine btw -AB): the font is reused in the whole font span. The
+ * class handles transparently the "hidden" (not part of the fontlist)
+ * label font (as getFont does).
+ **/
+class FontIterator
+{
+public:
+ ///
+ FontIterator(TextMetrics const & tm,
+ Paragraph const & par, pit_type pit, pos_type pos)
+ : tm_(tm), par_(par), pit_(pit), pos_(pos),
+ font_(tm.displayFont(pit, pos)),
+ endspan_(par.fontSpan(pos).last),
+ bodypos_(par.beginOfBody())
+ {}
+
+ ///
+ Font const & operator*() const { return font_; }
+
+ ///
+ FontIterator & operator++()
+ {
+ ++pos_;
+ if (pos_ > endspan_ || pos_ == bodypos_) {
+ font_ = tm_.displayFont(pit_, pos_);
+ endspan_ = par_.fontSpan(pos_).last;
+ }
+ return *this;
+ }
+
+ ///
+ Font * operator->() { return &font_; }
+
+private:
+ ///
+ TextMetrics const & tm_;
+ ///
+ Paragraph const & par_;
+ ///
+ pit_type pit_;
+ ///
+ pos_type pos_;
+ ///
+ Font font_;
+ ///
+ pos_type endspan_;
+ ///
+ pos_type bodypos_;
+};
+
+} // anon namespace
pit_type TextMetrics::rowBreakPoint(int width, pit_type const pit,
pit_type pos) const
if (pos == end || width < 0)
return end;
- LayoutPtr const & layout = par.layout();
+ Layout const & layout = par.layout();
- if (layout->margintype == MARGIN_RIGHT_ADDRESS_BOX)
+ if (layout.margintype == MARGIN_RIGHT_ADDRESS_BOX)
return addressBreakPoint(pos, par);
pos_type const body_pos = par.beginOfBody();
// add the auto-hfill from label end to the body
if (body_pos && i == body_pos) {
FontMetrics const & fm = theFontMetrics(
- text_->getLabelFont(buffer, par));
- int add = fm.width(layout->labelsep);
+ text_->labelFont(buffer, par));
+ int add = fm.width(layout.labelsep);
if (par.isLineSeparator(i - 1))
add -= singleWidth(pit, i - 1);
for ( ; i < end; ++i, ++fi) {
if (body_pos > 0 && i == body_pos) {
FontMetrics const & fm = theFontMetrics(
- text_->getLabelFont(buffer, par));
- w += fm.width(par.layout()->labelsep);
+ text_->labelFont(buffer, par));
+ w += fm.width(par.layout().labelsep);
if (par.isLineSeparator(i - 1))
w -= singleWidth(pit, i - 1);
w = max(w, label_end);
if (body_pos > 0 && body_pos >= end) {
FontMetrics const & fm = theFontMetrics(
- text_->getLabelFont(buffer, par));
- w += fm.width(par.layout()->labelsep);
+ text_->labelFont(buffer, par));
+ w += fm.width(par.layout().labelsep);
if (end > 0 && par.isLineSeparator(end - 1))
w -= singleWidth(pit, end - 1);
w = max(w, label_end);
// 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 :)
- LayoutPtr const & layout = par.layout();
+ Layout 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();
- Font font = getDisplayFont(pit, first);
+ Font font = displayFont(pit, first);
FontSize const tmpsize = font.fontInfo().size();
- font.fontInfo() = text_->getLayoutFont(buffer, pit);
+ font.fontInfo() = text_->layoutFont(buffer, pit);
FontSize const size = font.fontInfo().size();
font.fontInfo().setSize(tmpsize);
- FontInfo labelfont = text_->getLabelFont(buffer, par);
+ FontInfo labelfont = text_->labelFont(buffer, par);
FontMetrics const & labelfont_metrics = theFontMetrics(labelfont);
FontMetrics const & fontmetrics = theFontMetrics(font);
// these are minimum values
- double const spacing_val = layout->spacing.getValue()
+ double const spacing_val = layout.spacing.getValue()
* text_->spacing(buffer, par);
//lyxerr << "spacing_val = " << spacing_val << endl;
int maxasc = int(fontmetrics.maxAscent() * spacing_val);
InsetList::const_iterator ii = par.insetList().begin();
InsetList::const_iterator iend = par.insetList().end();
for ( ; ii != iend; ++ii) {
- Dimension const & dim = pm.insetDimension(ii->inset);
if (ii->pos >= first && ii->pos < end) {
+ Dimension const & dim = pm.insetDimension(ii->inset);
maxasc = max(maxasc, dim.ascent());
maxdesc = max(maxdesc, dim.descent());
}
BufferParams const & bufparams = buffer.params();
// some parskips VERY EASY IMPLEMENTATION
if (bufparams.paragraph_separation
- == BufferParams::PARSEP_SKIP
+ == BufferParams::ParagraphSkipSeparation
&& par.ownerCode() != ERT_CODE
&& par.ownerCode() != LISTINGS_CODE
&& pit > 0
- && ((layout->isParagraph() && par.getDepth() == 0)
- || (pars[pit - 1].layout()->isParagraph()
+ && ((layout.isParagraph() && par.getDepth() == 0)
+ || (pars[pit - 1].layout().isParagraph()
&& pars[pit - 1].getDepth() == 0)))
{
maxasc += bufparams.getDefSkip().inPixels(*bv_);
// This is special code for the chapter, since the label of this
// layout is printed in an extra row
- if (layout->counter == "chapter"
+ if (layout.counter == "chapter"
&& !par.params().labelString().empty()) {
labeladdon = int(labelfont_metrics.maxHeight()
- * layout->spacing.getValue()
+ * layout.spacing.getValue()
* text_->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)
+ if ((layout.labeltype == LABEL_TOP_ENVIRONMENT
+ || layout.labeltype == LABEL_BIBLIO
+ || layout.labeltype == LABEL_CENTERED_TOP_ENVIRONMENT)
&& isFirstInSequence(pit, pars)
- && !par.getLabelstring().empty())
+ && !par.labelString().empty())
{
labeladdon = int(
labelfont_metrics.maxHeight()
- * layout->spacing.getValue()
+ * layout.spacing.getValue()
* text_->spacing(buffer, par)
- + (layout->topsep + layout->labelbottomsep) * dh);
+ + (layout.topsep + layout.labelbottomsep) * dh);
}
// Add the layout spaces, for example before and after
&& prevpar.getDepth() == par.getDepth()
&& prevpar.getLabelWidthString()
== par.getLabelWidthString()) {
- layoutasc = layout->itemsep * dh;
+ layoutasc = layout.itemsep * dh;
} else if (pit != 0 || first != 0) {
- if (layout->topsep > 0)
- layoutasc = layout->topsep * dh;
+ 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);
+ maxasc += int(pars[prev].layout().parsep * dh);
} else if (pit != 0) {
Paragraph const & prevpar = pars[pit - 1];
if (prevpar.getDepth() != 0 ||
prevpar.layout() == layout) {
- maxasc += int(layout->parsep * dh);
+ maxasc += int(layout.parsep * dh);
}
}
}
double unusual = 0;
if (pars[cpit].getDepth() > pars[nextpit].getDepth()) {
- usual = pars[cpit].layout()->bottomsep * dh;
+ usual = pars[cpit].layout().bottomsep * dh;
cpit = depthHook(cpit, pars, pars[nextpit].getDepth());
if (pars[cpit].layout() != pars[nextpit].layout()
|| pars[nextpit].getLabelWidthString() != pars[cpit].getLabelWidthString())
{
- unusual = pars[cpit].layout()->bottomsep * dh;
+ 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);
+ layoutdesc = int(pars[cpit].layout().bottomsep * dh);
}
}
}
pos_type vc = row.pos();
pos_type end = row.endpos();
pos_type c = 0;
- LayoutPtr const & layout = par.layout();
+ Layout const & layout = par.layout();
bool left_side = false;
last_tmpx = tmpx;
if (body_pos > 0 && c == body_pos - 1) {
FontMetrics const & fm = theFontMetrics(
- text_->getLabelFont(buffer, par));
- tmpx += row.label_hfill + fm.width(layout->labelsep);
+ text_->labelFont(buffer, par));
+ tmpx += row.label_hfill + fm.width(layout.labelsep);
if (par.isLineSeparator(body_pos - 1))
tmpx -= singleWidth(pit, body_pos - 1);
}
left_side = true;
}
- BOOST_ASSERT(vc <= end); // This shouldn't happen.
+ LASSERT(vc <= end, /**/); // This shouldn't happen.
boundary = false;
// This (rtl_support test) is not needed, but gives
// upDownInText() while in selection mode.
ParagraphMetrics const & pm = parMetrics(pit);
- BOOST_ASSERT(row < int(pm.rows().size()));
+ LASSERT(row < int(pm.rows().size()), /**/);
bool bound = false;
Row const & r = pm.rows()[row];
return r.pos() + getColumnNearX(pit, r, x, bound);
// y is screen coordinate
pit_type TextMetrics::getPitNearY(int y)
{
- BOOST_ASSERT(!text_->paragraphs().empty());
+ LASSERT(!text_->paragraphs().empty(), return -1);
+ LASSERT(!par_metrics_.empty(), return -1);
LYXERR(Debug::DEBUG, "y: " << y << " cache size: " << par_metrics_.size());
// look for highest numbered paragraph with y coordinate less than given y
ParagraphMetrics const & pm = par_metrics_[pit];
int yy = pm.position() - pm.ascent();
- BOOST_ASSERT(!pm.rows().empty());
+ LASSERT(!pm.rows().empty(), /**/);
RowList::const_iterator rit = pm.rows().begin();
RowList::const_iterator rlast = pm.rows().end();
--rlast;
cur.bv().coordCache().dump();
}
pit_type pit = getPitNearY(y);
- BOOST_ASSERT(pit != -1);
+ LASSERT(pit != -1, return 0);
Row const & row = getRowNearY(y, pit);
bool bound = false;
// This should be just before or just behind the
// cursor position set above.
- BOOST_ASSERT((pos != 0 && inset == insetBefore)
- || inset == pars[pit].getInset(pos));
+ LASSERT((pos != 0 && inset == insetBefore)
+ || inset == pars[pit].getInset(pos), /**/);
// Make sure the cursor points to the position before
// this inset.
void TextMetrics::setCursorFromCoordinates(Cursor & cur, int const x, int const y)
{
- BOOST_ASSERT(text_ == cur.text());
+ LASSERT(text_ == cur.text(), /**/);
pit_type pit = getPitNearY(y);
+ LASSERT(pit != -1, return);
ParagraphMetrics const & pm = par_metrics_[pit];
" pit: " << pit << " yy: " << yy);
int r = 0;
- BOOST_ASSERT(pm.rows().size());
+ LASSERT(pm.rows().size(), /**/);
for (; r < int(pm.rows().size()) - 1; ++r) {
Row const & row = pm.rows()[r];
if (int(yy + row.height()) > y)
Inset * TextMetrics::checkInsetHit(int x, int y)
{
pit_type pit = getPitNearY(y);
- BOOST_ASSERT(pit != -1);
+ LASSERT(pit != -1, return 0);
Paragraph const & par = text_->paragraphs()[pit];
ParagraphMetrics const & pm = par_metrics_[pit];
int TextMetrics::cursorX(CursorSlice const & sl,
bool boundary) const
{
- BOOST_ASSERT(sl.text() == text_);
+ LASSERT(sl.text() == text_, /**/);
pit_type const pit = sl.pit();
Paragraph const & par = text_->paragraphs()[pit];
ParagraphMetrics const & pm = par_metrics_[pit];
pos_type const row_pos = row.pos();
pos_type const end = row.endpos();
- // Spaces at logical line breaks in bidi text must be skipped during
+ // Spaces at logical line breaks in bidi text must be skipped during
// cursor positioning. However, they may appear visually in the middle
// of a row; they must be skipped, wherever they are...
// * logically "abc_[HEBREW_\nHEBREW]"
if (inlineCompletionPos.inTexted()
&& inlineCompletionPos.text() == text_
&& inlineCompletionPos.pit() == pit
- && inlineCompletionPos.pos() >= row_pos
- && inlineCompletionPos.pos() <= end) {
+ && inlineCompletionPos.pos() - 1 >= row_pos
+ && inlineCompletionPos.pos() - 1 < end) {
// draw logically behind the previous character
inlineCompletionVPos = bidi.log2vis(inlineCompletionPos.pos() - 1);
}
// it's in the last row of a paragraph; see skipped_sep_vpos declaration
if (end > 0 && end < par.size() && par.isSeparator(end - 1))
skipped_sep_vpos = bidi.log2vis(end - 1);
-
+
// Inline completion RTL special case row_pos == cursor_pos:
// "__|b" => cursor_pos is right of __
if (row_pos == inlineCompletionVPos && row_pos == cursor_vpos) {
- font = getDisplayFont(pit, row_pos + 1);
+ font = displayFont(pit, row_pos + 1);
docstring const & completion = bv_->inlineCompletion();
if (font.isRightToLeft() && completion.length() > 0)
x += theFontMetrics(font.fontInfo()).width(completion);
}
-
+
for (pos_type vpos = row_pos; vpos < cursor_vpos; ++vpos) {
// Skip the separator which is at the logical end of the row
if (vpos == skipped_sep_vpos)
pos_type pos = bidi.vis2log(vpos);
if (body_pos > 0 && pos == body_pos - 1) {
FontMetrics const & labelfm = theFontMetrics(
- text_->getLabelFont(buffer, par));
- x += row.label_hfill + labelfm.width(par.layout()->labelsep);
+ text_->labelFont(buffer, par));
+ x += row.label_hfill + labelfm.width(par.layout().labelsep);
if (par.isLineSeparator(body_pos - 1))
x -= singleWidth(pit, body_pos - 1);
}
// Use font span to speed things up, see above
if (pos < font_span.first || pos > font_span.last) {
font_span = par.fontSpan(pos);
- font = getDisplayFont(pit, pos);
+ font = displayFont(pit, pos);
}
x += pm.singleWidth(pos, font);
// Inline completion RTL case:
// "a__|b", __ of b => non-boundary a-pos is right of __
- if (vpos + 1 == inlineCompletionVPos
+ if (vpos + 1 == inlineCompletionVPos
&& (vpos + 1 < cursor_vpos || !boundary_correction)) {
- font = getDisplayFont(pit, vpos + 1);
+ font = displayFont(pit, vpos + 1);
docstring const & completion = bv_->inlineCompletion();
if (font.isRightToLeft() && completion.length() > 0)
x += theFontMetrics(font.fontInfo()).width(completion);
}
-
+
// Inline completion LTR case:
// "b|__a", __ of b => non-boundary a-pos is in front of __
if (vpos == inlineCompletionVPos
&& (vpos + 1 < cursor_vpos || boundary_correction)) {
- font = getDisplayFont(pit, vpos);
+ font = displayFont(pit, vpos);
docstring const & completion = bv_->inlineCompletion();
if (!font.isRightToLeft() && completion.length() > 0)
x += theFontMetrics(font.fontInfo()).width(completion);
}
-
+
if (par.isSeparator(pos) && pos >= body_pos)
x += row.separator;
}
}
-void TextMetrics::cursorPrevious(Cursor & cur)
-{
- pos_type cpos = cur.pos();
- pit_type cpar = cur.pit();
-
- int x = cur.x_target();
- setCursorFromCoordinates(cur, x, 0);
- cur.dispatch(FuncRequest(cur.selection()? LFUN_UP_SELECT: LFUN_UP));
-
- if (cpar == cur.pit() && cpos == cur.pos())
- // we have a row which is taller than the workarea. The
- // simplest solution is to move to the previous row instead.
- cur.dispatch(FuncRequest(cur.selection()? LFUN_UP_SELECT: LFUN_UP));
-
- cur.finishUndo();
- cur.updateFlags(Update::Force | Update::FitCursor);
-}
-
-
-void TextMetrics::cursorNext(Cursor & cur)
-{
- pos_type cpos = cur.pos();
- pit_type cpar = cur.pit();
-
- int x = cur.x_target();
- setCursorFromCoordinates(cur, x, cur.bv().workHeight() - 1);
- cur.dispatch(FuncRequest(cur.selection()? LFUN_DOWN_SELECT: LFUN_DOWN));
-
- if (cpar == cur.pit() && cpos == cur.pos())
- // we have a row which is taller than the workarea. The
- // simplest solution is to move to the next row instead.
- cur.dispatch(
- FuncRequest(cur.selection()? LFUN_DOWN_SELECT: LFUN_DOWN));
-
- cur.finishUndo();
- cur.updateFlags(Update::Force | Update::FitCursor);
-}
-
-
// the cursor set functions have a special mechanism. When they
// realize you left an empty paragraph, they will delete it.
bool TextMetrics::cursorHome(Cursor & cur)
{
- BOOST_ASSERT(text_ == cur.text());
+ LASSERT(text_ == cur.text(), /**/);
ParagraphMetrics const & pm = par_metrics_[cur.pit()];
Row const & row = pm.getRow(cur.pos(),cur.boundary());
return text_->setCursor(cur, cur.pit(), row.pos());
bool TextMetrics::cursorEnd(Cursor & cur)
{
- BOOST_ASSERT(text_ == cur.text());
+ LASSERT(text_ == cur.text(), /**/);
// if not on the last row of the par, put the cursor before
// the final space exept if I have a spanning inset or one string
// is so long that we force a break.
void TextMetrics::deleteLineForward(Cursor & cur)
{
- BOOST_ASSERT(text_ == cur.text());
+ LASSERT(text_ == cur.text(), /**/);
if (cur.lastpos() == 0) {
// Paragraph is empty, so we just go forward
text_->cursorForward(cur);
} else {
cur.resetAnchor();
- cur.selection() = true; // to avoid deletion
+ cur.setSelection(true); // to avoid deletion
cursorEnd(cur);
cur.setSelection();
// What is this test for ??? (JMarc)
int TextMetrics::leftMargin(int max_width, pit_type pit) const
{
- BOOST_ASSERT(pit >= 0);
- BOOST_ASSERT(pit < int(text_->paragraphs().size()));
+ LASSERT(pit >= 0, /**/);
+ LASSERT(pit < int(text_->paragraphs().size()), /**/);
return leftMargin(max_width, pit, text_->paragraphs()[pit].size());
}
{
ParagraphList const & pars = text_->paragraphs();
- BOOST_ASSERT(pit >= 0);
- BOOST_ASSERT(pit < int(pars.size()));
+ LASSERT(pit >= 0, /**/);
+ LASSERT(pit < int(pars.size()), /**/);
Paragraph const & par = pars[pit];
- BOOST_ASSERT(pos >= 0);
- BOOST_ASSERT(pos <= par.size());
+ LASSERT(pos >= 0, /**/);
+ LASSERT(pos <= par.size(), /**/);
Buffer const & buffer = bv_->buffer();
//lyxerr << "TextMetrics::leftMargin: pit: " << pit << " pos: " << pos << endl;
- TextClass const & tclass = buffer.params().textClass();
- LayoutPtr const & layout = par.layout();
+ DocumentClass const & tclass = buffer.params().documentClass();
+ Layout const & layout = par.layout();
- docstring parindent = layout->parindent;
+ docstring parindent = layout.parindent;
int l_margin = 0;
// find the next level paragraph
pit_type newpar = outerHook(pit, pars);
if (newpar != pit_type(pars.size())) {
- if (pars[newpar].layout()->isEnvironment()) {
+ if (pars[newpar].layout().isEnvironment()) {
l_margin = leftMargin(max_width, newpar);
}
- //FIXME Should this check for emptyLayout() as well?
- if (par.layout() == tclass.defaultLayout()) {
+ if (tclass.isDefaultLayout(par.layout())
+ || tclass.isPlainLayout(par.layout())) {
if (pars[newpar].params().noindent())
parindent.erase();
else
- parindent = pars[newpar].layout()->parindent;
+ parindent = pars[newpar].layout().parindent;
}
}
}
// This happens after sections in standard classes. The 1.3.x
// code compared depths too, but it does not seem necessary
// (JMarc)
- if (par.layout() == tclass.defaultLayout()
- && pit > 0 && pars[pit - 1].layout()->nextnoindent)
+ if (tclass.isDefaultLayout(par.layout())
+ && pit > 0 && pars[pit - 1].layout().nextnoindent)
parindent.erase();
- FontInfo const labelfont = text_->getLabelFont(buffer, par);
+ FontInfo const labelfont = text_->labelFont(buffer, par);
FontMetrics const & labelfont_metrics = theFontMetrics(labelfont);
- switch (layout->margintype) {
+ switch (layout.margintype) {
case MARGIN_DYNAMIC:
- if (!layout->leftmargin.empty()) {
+ if (!layout.leftmargin.empty()) {
l_margin += theFontMetrics(buffer.params().getFont()).signedWidth(
- layout->leftmargin);
+ layout.leftmargin);
}
- if (!par.getLabelstring().empty()) {
- l_margin += labelfont_metrics.signedWidth(layout->labelindent);
- l_margin += labelfont_metrics.width(par.getLabelstring());
- l_margin += labelfont_metrics.width(layout->labelsep);
+ if (!par.labelString().empty()) {
+ l_margin += labelfont_metrics.signedWidth(layout.labelindent);
+ l_margin += labelfont_metrics.width(par.labelString());
+ l_margin += labelfont_metrics.width(layout.labelsep);
}
break;
case MARGIN_MANUAL: {
- l_margin += labelfont_metrics.signedWidth(layout->labelindent);
+ l_margin += labelfont_metrics.signedWidth(layout.labelindent);
// The width of an empty par, even with manual label, should be 0
if (!par.empty() && pos >= par.beginOfBody()) {
if (!par.getLabelWidthString().empty()) {
docstring labstr = par.getLabelWidthString();
l_margin += labelfont_metrics.width(labstr);
- l_margin += labelfont_metrics.width(layout->labelsep);
+ l_margin += labelfont_metrics.width(layout.labelsep);
}
}
break;
case MARGIN_STATIC: {
l_margin += theFontMetrics(buffer.params().getFont()).
- signedWidth(layout->leftmargin) * 4 / (par.getDepth() + 4);
+ signedWidth(layout.leftmargin) * 4 / (par.getDepth() + 4);
break;
}
case MARGIN_FIRST_DYNAMIC:
- if (layout->labeltype == LABEL_MANUAL) {
- if (pos >= par.beginOfBody()) {
- l_margin += labelfont_metrics.signedWidth(layout->leftmargin);
- } else {
- l_margin += labelfont_metrics.signedWidth(layout->labelindent);
- }
+ if (layout.labeltype == LABEL_MANUAL) {
+ // if we are at position 0, we are never in the body
+ if (pos > 0 && pos >= par.beginOfBody())
+ l_margin += labelfont_metrics.signedWidth(layout.leftmargin);
+ else
+ l_margin += labelfont_metrics.signedWidth(layout.labelindent);
} else if (pos != 0
// Special case to fix problems with
// theorems (JMarc)
- || (layout->labeltype == LABEL_STATIC
- && layout->latextype == LATEX_ENVIRONMENT
+ || (layout.labeltype == LABEL_STATIC
+ && layout.latextype == LATEX_ENVIRONMENT
&& !isFirstInSequence(pit, pars))) {
- l_margin += labelfont_metrics.signedWidth(layout->leftmargin);
- } else if (layout->labeltype != LABEL_TOP_ENVIRONMENT
- && layout->labeltype != LABEL_BIBLIO
- && layout->labeltype !=
+ l_margin += labelfont_metrics.signedWidth(layout.leftmargin);
+ } else if (layout.labeltype != LABEL_TOP_ENVIRONMENT
+ && layout.labeltype != LABEL_BIBLIO
+ && layout.labeltype !=
LABEL_CENTERED_TOP_ENVIRONMENT) {
- l_margin += labelfont_metrics.signedWidth(layout->labelindent);
- l_margin += labelfont_metrics.width(layout->labelsep);
- l_margin += labelfont_metrics.width(par.getLabelstring());
+ l_margin += labelfont_metrics.signedWidth(layout.labelindent);
+ l_margin += labelfont_metrics.width(layout.labelsep);
+ l_margin += labelfont_metrics.width(par.labelString());
}
break;
for ( ; rit != end; ++rit)
if (rit->fill() < minfill)
minfill = rit->fill();
- l_margin += theFontMetrics(params.getFont()).signedWidth(layout->leftmargin);
+ l_margin += theFontMetrics(params.getFont()).signedWidth(layout.leftmargin);
l_margin += minfill;
#endif
// also wrong, but much shorter.
LyXAlignment align;
if (par.params().align() == LYX_ALIGN_LAYOUT)
- align = layout->align;
+ align = layout.align;
else
align = par.params().align();
// set the correct parindent
if (pos == 0
- && (layout->labeltype == LABEL_NO_LABEL
- || layout->labeltype == LABEL_TOP_ENVIRONMENT
- || layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT
- || (layout->labeltype == LABEL_STATIC
- && layout->latextype == LATEX_ENVIRONMENT
- && !isFirstInSequence(pit, pars)))
+ && (layout.labeltype == LABEL_NO_LABEL
+ || layout.labeltype == LABEL_TOP_ENVIRONMENT
+ || layout.labeltype == LABEL_CENTERED_TOP_ENVIRONMENT
+ || (layout.labeltype == LABEL_STATIC
+ && layout.latextype == LATEX_ENVIRONMENT
+ && !isFirstInSequence(pit, pars)))
&& align == LYX_ALIGN_BLOCK
&& !par.params().noindent()
// in some insets, paragraphs are never indented
- && !(par.inInset() && par.inInset()->neverIndent(buffer))
+ && !par.inInset().neverIndent()
// display style insets are always centered, omit indentation
&& !(!par.empty()
&& par.isInset(pos)
&& par.getInset(pos)->display())
- && (par.layout() != tclass.defaultLayout() //should this check emptyLayout()?
- || buffer.params().paragraph_separation ==
- BufferParams::PARSEP_INDENT))
+ && (!(tclass.isDefaultLayout(par.layout())
+ || tclass.isPlainLayout(par.layout()))
+ || buffer.params().paragraph_separation == BufferParams::ParagraphIndentSeparation)
+ )
{
l_margin += theFontMetrics(buffer.params().getFont()).signedWidth(
parindent);
{
ParagraphMetrics const & pm = par_metrics_[pit];
- return pm.singleWidth(pos, getDisplayFont(pit, pos));
+ return pm.singleWidth(pos, displayFont(pit, pos));
}
int const ww = bv_->workHeight();
size_t const nrows = pm.rows().size();
+ Cursor const & cur = bv_->cursor();
+ DocIterator sel_beg = cur.selectionBegin();
+ DocIterator sel_end = cur.selectionEnd();
+ bool selection = cur.selection()
+ // This is our text.
+ && cur.text() == text_
+ // if the anchor is outside, this is not our selection
+ && cur.anchor().text() == text_
+ && pit >= sel_beg.pit() && pit <= sel_end.pit();
+
+ // We store the begin and end pos of the selection relative to this par
+ DocIterator sel_beg_par = cur.selectionBegin();
+ DocIterator sel_end_par = cur.selectionEnd();
+
+ // We care only about visible selection.
+ if (selection) {
+ if (pit != sel_beg.pit()) {
+ sel_beg_par.pit() = pit;
+ sel_beg_par.pos() = 0;
+ }
+ if (pit != sel_end.pit()) {
+ sel_end_par.pit() = pit;
+ sel_end_par.pos() = sel_end_par.lastpos();
+ }
+ }
+
for (size_t i = 0; i != nrows; ++i) {
Row const & row = pm.rows()[i];
pi.pain.setDrawingEnabled(inside && original_drawing_state);
RowPainter rp(pi, *text_, pit, row, bidi, x, y);
+ if (selection)
+ row.setSelectionAndMargins(sel_beg_par, sel_end_par);
+ else
+ row.setSelection(-1, -1);
+
+ // The row knows nothing about the paragraph, so we have to check
+ // whether this row is the first or last and update the margins.
+ if (row.selection()) {
+ if (row.sel_beg == 0)
+ row.begin_margin_sel = sel_beg.pit() < pit;
+ if (row.sel_end == sel_end_par.lastpos())
+ row.end_margin_sel = sel_end.pit() > pit;
+ }
+
// Row signature; has row changed since last paint?
row.setCrc(pm.computeRowSignature(row, bparams));
bool row_has_changed = row.changed();
-
+
// Don't paint the row if a full repaint has not been requested
// and if it has not changed.
if (!pi.full_repaint && !row_has_changed) {
pi.pain.fillRectangle(x, y - row.ascent(),
width(), row.height(), pi.background_color);
}
-
- bool row_selection = row.sel_beg != -1 && row.sel_end != -1;
- if (row_selection) {
- DocIterator beg = bv_->cursor().selectionBegin();
- DocIterator end = bv_->cursor().selectionEnd();
- bool const beg_margin = beg.pit() < pit && i == 0;
- bool const end_margin = end.pit() > pit && i == nrows - 1;
- beg.pit() = pit;
- beg.pos() = row.sel_beg;
- end.pit() = pit;
- end.pos() = row.sel_end;
- drawRowSelection(pi, x, row, beg, end, beg_margin, end_margin);
- }
+
+ if (row.selection())
+ drawRowSelection(pi, x, row, cur, pit);
// Instrumentation for testing row cache (see also
// 12 lines lower):
if (lyxerr.debugging(Debug::PAINTING) && inside
- && (row_selection || pi.full_repaint || row_has_changed)) {
+ && (row.selection() || pi.full_repaint || row_has_changed)) {
string const foreword = text_->isMainText(bv_->buffer()) ?
"main text redraw " : "inset text redraw: ";
LYXERR(Debug::PAINTING, foreword << "pit=" << pit << " row=" << i
- << " row_selection=" << row_selection
+ << " row_selection=" << row.selection()
<< " full_repaint=" << pi.full_repaint
<< " row_has_changed=" << row_has_changed);
}
void TextMetrics::drawRowSelection(PainterInfo & pi, int x, Row const & row,
- DocIterator const & beg, DocIterator const & end,
- bool drawOnBegMargin, bool drawOnEndMargin) const
+ Cursor const & curs, pit_type pit) const
{
+ DocIterator beg = curs.selectionBegin();
+ beg.pit() = pit;
+ beg.pos() = row.sel_beg;
+
+ DocIterator end = curs.selectionEnd();
+ end.pit() = pit;
+ end.pos() = row.sel_end;
+
+ bool const begin_boundary = beg.pos() >= row.endpos();
+ bool const end_boundary = row.sel_end == row.endpos();
+
Buffer & buffer = bv_->buffer();
DocIterator cur = beg;
- int x1 = cursorX(beg.top(), beg.boundary());
- int x2 = cursorX(end.top(), end.boundary());
- int y1 = bv_->getPos(cur, cur.boundary()).y_ - row.ascent();
- int y2 = y1 + row.height();
-
+ cur.boundary(begin_boundary);
+ int x1 = cursorX(beg.top(), begin_boundary);
+ int x2 = cursorX(end.top(), end_boundary);
+ int const y1 = bv_->getPos(cur, cur.boundary()).y_ - row.ascent();
+ int const y2 = y1 + row.height();
+
+ int const rm = text_->isMainText(buffer) ? bv_->rightMargin() : 0;
+ int const lm = text_->isMainText(buffer) ? bv_->leftMargin() : 0;
+
// draw the margins
- if (drawOnBegMargin) {
- if (text_->isRTL(buffer, beg.paragraph()))
- pi.pain.fillRectangle(x + x1, y1, width() - x1, y2 - y1, Color_selection);
- else
- pi.pain.fillRectangle(x, y1, x1, y2 - y1, Color_selection);
+ if (row.begin_margin_sel) {
+ if (text_->isRTL(buffer, beg.paragraph())) {
+ pi.pain.fillRectangle(x + x1, y1, width() - rm - x1, y2 - y1,
+ Color_selection);
+ } else {
+ pi.pain.fillRectangle(x + lm, y1, x1 - lm, y2 - y1,
+ Color_selection);
+ }
}
-
- if (drawOnEndMargin) {
- if (text_->isRTL(buffer, beg.paragraph()))
- pi.pain.fillRectangle(x, y1, x2, y2 - y1, Color_selection);
- else
- pi.pain.fillRectangle(x + x2, y1, width() - x2, y2 - y1, Color_selection);
+
+ if (row.end_margin_sel) {
+ if (text_->isRTL(buffer, beg.paragraph())) {
+ pi.pain.fillRectangle(x + lm, y1, x2 - lm, y2 - y1,
+ Color_selection);
+ } else {
+ pi.pain.fillRectangle(x + x2, y1, width() - rm - x2, y2 - y1,
+ Color_selection);
+ }
}
-
+
// if we are on a boundary from the beginning, it's probably
// a RTL boundary and we jump to the other side directly as this
// segement is 0-size and confuses the logic below
if (cur.boundary())
cur.boundary(false);
-
+
// go through row and draw from RTL boundary to RTL boundary
while (cur < end) {
bool drawNow = false;
-
+
// simplified cursorForward code below which does not
// descend into insets and which does not go into the
// next line. Compare the logic with the original cursorForward
-
- // if left of boundary -> just jump to right side
- // but for RTL boundaries don't, because: abc|DDEEFFghi -> abcDDEEF|Fghi
+
+ // if left of boundary -> just jump to right side, but
+ // for RTL boundaries don't, because: abc|DDEEFFghi -> abcDDEEF|Fghi
if (cur.boundary()) {
cur.boundary(false);
} else if (isRTLBoundary(cur.pit(), cur.pos() + 1)) {
- // in front of RTL boundary -> Stay on this side of the boundary because:
- // ab|cDDEEFFghi -> abc|DDEEFFghi
+ // in front of RTL boundary -> Stay on this side of the boundary
+ // because: ab|cDDEEFFghi -> abc|DDEEFFghi
++cur.pos();
cur.boundary(true);
drawNow = true;
} else {
// move right
++cur.pos();
-
+
// line end?
if (cur.pos() == row.endpos())
cur.boundary(true);
}
-
+
if (x1 == -1) {
// the previous segment was just drawn, now the next starts
x1 = cursorX(cur.top(), cur.boundary());
}
-
+
if (!(cur < end) || drawNow) {
x2 = cursorX(cur.top(), cur.boundary());
pi.pain.fillRectangle(x + min(x1,x2), y1, abs(x2 - x1), y2 - y1,
Color_selection);
-
- // reset x1, so it is set again next round (which will be on the
+
+ // reset x1, so it is set again next round (which will be on the
// right side of a boundary or at the selection end)
x1 = -1;
}
}
}
+
+void TextMetrics::completionPosAndDim(Cursor const & cur, int & x, int & y,
+ Dimension & dim) const
+{
+ Cursor const & bvcur = cur.bv().cursor();
+
+ // get word in front of cursor
+ docstring word = text_->previousWord(bvcur.top());
+ DocIterator wordStart = bvcur;
+ wordStart.pos() -= word.length();
+
+ // get position on screen of the word start and end
+ Point lxy = cur.bv().getPos(wordStart, false);
+ Point rxy = cur.bv().getPos(bvcur, bvcur.boundary());
+
+ // calculate dimensions of the word
+ dim = rowHeight(bvcur.pit(), wordStart.pos(), bvcur.pos(), false);
+ dim.wid = abs(rxy.x_ - lxy.x_);
+
+ // calculate position of word
+ y = lxy.y_;
+ x = min(rxy.x_, lxy.x_);
+
+ //lyxerr << "wid=" << dim.width() << " x=" << x << " y=" << y << " lxy.x_=" << lxy.x_ << " rxy.x_=" << rxy.x_ << " word=" << word << std::endl;
+ //lyxerr << " wordstart=" << wordStart << " bvcur=" << bvcur << " cur=" << cur << std::endl;
+}
+
//int TextMetrics::pos2x(pit_type pit, pos_type pos) const
//{
// ParagraphMetrics const & pm = par_metrics_[pit];