* 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 "HSpace.h"
#include "InsetList.h"
#include "Layout.h"
#include "Length.h"
#include "LyXRC.h"
#include "MetricsInfo.h"
-#include "paragraph_funcs.h"
#include "ParagraphParameters.h"
#include "ParIterator.h"
#include "rowpainter.h"
#include "Text.h"
#include "TextClass.h"
#include "VSpace.h"
+#include "WordLangTuple.h"
+
+#include "insets/InsetText.h"
#include "mathed/MacroTable.h"
#include "mathed/MathMacroTemplate.h"
#include "frontends/Painter.h"
#include "support/debug.h"
+#include "support/docstring_list.h"
+#include "support/lassert.h"
-#include <boost/assert.hpp>
+#include <cstdlib>
using namespace std;
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;
dim_.des = 10;
-
- //text_->updateLabels(bv->buffer());
}
pair<pit_type, ParagraphMetrics const *> TextMetrics::last() const
{
+ LASSERT(!par_metrics_.empty(), /**/);
ParMetricsCache::const_reverse_iterator it = par_metrics_.rbegin();
return make_pair(it->first, &it->second);
}
}
-int TextMetrics::parPosition(pit_type pit) const
-{
- if (pit < par_metrics_.begin()->first)
- return -1000000;
- if (pit > par_metrics_.rbegin()->first)
- return +1000000;
-
- return par_metrics_[pit].position();
-}
-
-
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_;
void TextMetrics::applyOuterFont(Font & font) const
{
- Font lf(font_);
- lf.fontInfo().reduce(bv_->buffer().params().getFont().fontInfo());
- lf.fontInfo().realize(font.fontInfo());
- lf.setLanguage(font.language());
- font = lf;
+ FontInfo lf(font_.fontInfo());
+ lf.reduce(bv_->buffer().params().getFont().fontInfo());
+ font.fontInfo().realize(lf);
}
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];
// We specialize the 95% common case:
if (!par.getDepth()) {
Font f = par.getFontSettings(params, pos);
- if (!text_->isMainText(buffer))
+ if (!text_->isMainText())
applyOuterFont(f);
bool lab = layout.labeltype == LABEL_MANUAL && pos < body_pos;
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 ?
+ FontInfo const & layoutfont = pos < body_pos ?
layout.labelfont : layout.font;
Font font = par.getFontSettings(params, pos);
font.fontInfo().realize(layoutfont);
- if (!text_->isMainText(buffer))
+ if (!text_->isMainText())
applyOuterFont(font);
// Realize against environment font information
// NOTE: the cast to pit_type should be removed when pit_type
// changes to a unsigned integer.
if (pit < pit_type(pars.size()))
- font.fontInfo().realize(outerFont(pit, pars).fontInfo());
+ font.fontInfo().realize(text_->outerFont(pit).fontInfo());
// Realize with the fonts of lesser depth.
font.fontInfo().realize(params.getFont().fontInfo());
int correction = 0;
if (boundary && sl.pos() > 0)
correction = -1;
-
+
return displayFont(sl.pit(), sl.pos() + correction).isVisibleRightToLeft();
}
bool TextMetrics::isRTLBoundary(pit_type pit, pos_type pos) const
{
- if (!lyxrc.rtl_support)
+ // no RTL boundary at paragraph start
+ if (!lyxrc.rtl_support || pos == 0)
return false;
- // no RTL boundary at line start
- if (pos == 0)
- return false;
+ Font const & left_font = displayFont(pit, pos - 1);
- Paragraph const & par = text_->getPar(pit);
-
- bool left = displayFont(pit, pos - 1).isVisibleRightToLeft();
- bool right;
- if (pos == par.size())
- right = par.isRTL(bv_->buffer().params());
- else
- right = displayFont(pit, pos).isVisibleRightToLeft();
- return left != right;
+ return isRTLBoundary(pit, pos, left_font);
}
+// isRTLBoundary returns false on a real end-of-line boundary,
+// because otherwise the two boundary types get mixed up.
+// This is the whole purpose of this being in TextMetrics.
bool TextMetrics::isRTLBoundary(pit_type pit, pos_type pos,
Font const & font) const
{
- if (!lyxrc.rtl_support)
+ if (!lyxrc.rtl_support
+ // no RTL boundary at paragraph start
+ || pos == 0
+ // if the metrics have not been calculated, then we are not
+ // on screen and can safely ignore issues about boundaries.
+ || !contains(pit))
+ return false;
+
+ ParagraphMetrics & pm = par_metrics_[pit];
+ // no RTL boundary in empty paragraph
+ if (pm.rows().empty())
+ return false;
+
+ pos_type endpos = pm.getRow(pos - 1, false).endpos();
+ pos_type startpos = pm.getRow(pos, false).pos();
+ // no RTL boundary at line start:
+ // abc\n -> toggle to RTL -> abc\n (and not: abc\n|
+ // | | )
+ if (pos == startpos && pos == endpos) // start of cur row, end of prev row
return false;
Paragraph const & par = text_->getPar(pit);
+ // no RTL boundary at line break:
+ // abc|\n -> move right -> abc\n (and not: abc\n|
+ // FED FED| FED )
+ if (startpos == pos && endpos == pos && endpos != par.size()
+ && (par.isNewline(pos - 1)
+ || par.isLineSeparator(pos - 1)
+ || par.isSeparator(pos - 1)))
+ return false;
+
bool left = font.isVisibleRightToLeft();
bool right;
if (pos == par.size())
right = par.isRTL(bv_->buffer().params());
else
right = displayFont(pit, pos).isVisibleRightToLeft();
+
return left != right;
}
bool TextMetrics::redoParagraph(pit_type const pit)
{
Paragraph & par = text_->getPar(pit);
- // IMPORTANT NOTE: We pass 'false' explicitely in order to not call
+ // IMPORTANT NOTE: We pass 'false' explicitly in order to not call
// redoParagraph() recursively inside parMetrics.
Dimension old_dim = parMetrics(pit, false).dim();
ParagraphMetrics & pm = par_metrics_[pit];
LYXERR(Debug::INFO, "MacroContext not initialised!"
<< " Going through the buffer again and hope"
<< " the context is better then.");
- updateLabels(bv_->buffer());
+ // FIXME audit updateBuffer calls
+ // This should not be here, but it is not clear yet where else it
+ // should be.
+ bv_->buffer().updateBuffer();
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.
Font const bufferfont = buffer.params().getFont();
InsetList::const_iterator ii = par.insetList().begin();
InsetList::const_iterator iend = par.insetList().end();
for (; ii != iend; ++ii) {
+ // FIXME Doesn't this HAVE to be non-empty?
// 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)
Dimension dim;
int const w = max_width_ - leftMargin(max_width_, pit, ii->pos)
- right_margin;
- Font const & font = ii->inset->noFontChange() ?
- bufferfont : displayFont(pit, ii->pos);
- MacroContext mc(buffer, parPos);
+ Font const & font = ii->inset->inheritFont() ?
+ displayFont(pit, ii->pos) : bufferfont;
+ 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);
+ if (old_dim != dim) {
+ pm.setInsetDimension(ii->inset, dim);
+ changed = true;
+ }
}
par.setBeginOfBody();
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.label_hfill = 0;
row.separator = 0;
- Buffer & buffer = bv_->buffer();
Paragraph const & par = text_->getPar(pit);
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;
//lyxerr << "w " << w << endl;
- bool const is_rtl = text_->isRTL(buffer, par);
+ bool const is_rtl = text_->isRTL(par);
if (is_rtl)
row.x = rightMargin(pit);
else
else
align = par.params().align();
- // Display-style insets should always be on a centred row
+ // handle alignment inside tabular cells
+ Inset const & owner = text_->inset();
+ 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 centered row
if (Inset const * inset = par.getInset(row.pos())) {
switch (inset->display()) {
case Inset::AlignLeft:
align = LYX_ALIGN_CENTER;
break;
case Inset::Inline:
- case Inset::AlignRight:
// unchanged (use align)
break;
+ case Inset::AlignRight:
+ align = LYX_ALIGN_RIGHT;
+ break;
}
}
if (body_pos > 0
&& (body_pos > end || !par.isLineSeparator(body_pos - 1)))
{
- row.x += theFontMetrics(text_->labelFont(buffer, par)).
+ row.x += theFontMetrics(text_->labelFont(par)).
width(layout.labelsep);
if (body_pos <= end)
row.x += row.label_hfill;
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);
}
int TextMetrics::labelFill(pit_type const pit, Row const & row) const
{
- Buffer & buffer = bv_->buffer();
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_->labelFont(buffer, par));
+ = theFontMetrics(text_->labelFont(par));
return max(0, fm.width(label) - w);
}
return leftMargin(max_width_, pit);
}
+namespace {
-pit_type TextMetrics::rowBreakPoint(int width, pit_type const pit,
- pit_type pos) const
+/**
+ * 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
+
+pos_type TextMetrics::rowBreakPoint(int width, pit_type const pit,
+ pos_type pos) const
{
- Buffer & buffer = bv_->buffer();
ParagraphMetrics const & pm = par_metrics_[pit];
Paragraph const & par = text_->getPar(pit);
pos_type const end = par.size();
// pixel width since last breakpoint
int chunkwidth = 0;
+ docstring const s(1, char_type(0x00B6));
+ Font f;
+ int par_marker_width = theFontMetrics(f).width(s);
+
FontIterator fi = FontIterator(*this, par, pit, pos);
pos_type point = end;
pos_type i = pos;
+
+ ParagraphList const & pars_ = text_->paragraphs();
+ bool const draw_par_end_marker = lyxrc.paragraph_markers
+ && size_type(pit + 1) < pars_.size();
+
for ( ; i < end; ++i, ++fi) {
int thiswidth = pm.singleWidth(i, *fi);
+
+ if (draw_par_end_marker && i == end - 1)
+ // enlarge the last character to hold the end-of-par marker
+ thiswidth += par_marker_width;
// add inline completion width
if (inlineCompletionLPos == i) {
// add the auto-hfill from label end to the body
if (body_pos && i == body_pos) {
FontMetrics const & fm = theFontMetrics(
- text_->labelFont(buffer, par));
+ text_->labelFont(par));
int add = fm.width(layout.labelsep);
if (par.isLineSeparator(i - 1))
add -= singleWidth(pit, i - 1);
int TextMetrics::rowWidth(int right_margin, pit_type const pit,
pos_type const first, pos_type const end) const
{
- Buffer & buffer = bv_->buffer();
// get the pure distance
ParagraphMetrics const & pm = par_metrics_[pit];
Paragraph const & par = text_->getPar(pit);
for ( ; i < end; ++i, ++fi) {
if (body_pos > 0 && i == body_pos) {
FontMetrics const & fm = theFontMetrics(
- text_->labelFont(buffer, par));
+ text_->labelFont(par));
w += fm.width(par.layout().labelsep);
if (par.isLineSeparator(i - 1))
w -= singleWidth(pit, i - 1);
w = max(w, label_end);
}
- w += pm.singleWidth(i, *fi);
+
+ // a line separator at the end of a line (but not at the end of a
+ // paragraph) will not be drawn and should therefore not count for
+ // the row width.
+ if (!par.isLineSeparator(i) || i != end - 1 || end == par.size())
+ w += pm.singleWidth(i, *fi);
// add inline completion width
if (inlineCompletionLPos == i) {
}
}
+ // count the paragraph end marker.
+ if (end == par.size() && lyxrc.paragraph_markers) {
+ ParagraphList const & pars_ = text_->paragraphs();
+ if (size_type(pit + 1) < pars_.size()) {
+ // enlarge the last character to hold the
+ // end-of-par marker
+ docstring const s(1, char_type(0x00B6));
+ Font f;
+ w += theFontMetrics(f).width(s);
+ }
+ }
+
if (body_pos > 0 && body_pos >= end) {
FontMetrics const & fm = theFontMetrics(
- text_->labelFont(buffer, par));
+ text_->labelFont(par));
w += fm.width(par.layout().labelsep);
if (end > 0 && par.isLineSeparator(end - 1))
w -= singleWidth(pit, end - 1);
Buffer const & buffer = bv_->buffer();
Font font = displayFont(pit, first);
FontSize const tmpsize = font.fontInfo().size();
- font.fontInfo() = text_->layoutFont(buffer, pit);
+ font.fontInfo() = text_->layoutFont(pit);
FontSize const size = font.fontInfo().size();
font.fontInfo().setSize(tmpsize);
- FontInfo labelfont = text_->labelFont(buffer, par);
+ FontInfo labelfont = text_->labelFont(par);
FontMetrics const & labelfont_metrics = theFontMetrics(labelfont);
FontMetrics const & fontmetrics = theFontMetrics(font);
// these are minimum values
double const spacing_val = layout.spacing.getValue()
- * text_->spacing(buffer, par);
+ * text_->spacing(par);
//lyxerr << "spacing_val = " << spacing_val << endl;
int maxasc = int(fontmetrics.maxAscent() * spacing_val);
int maxdesc = int(fontmetrics.maxDescent() * 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());
}
++maxdesc;
ParagraphList const & pars = text_->paragraphs();
+ Inset const & inset = text_->inset();
// is it a top line?
if (first == 0 && topBottomSpace) {
BufferParams const & bufparams = buffer.params();
// some parskips VERY EASY IMPLEMENTATION
- if (bufparams.paragraph_separation
- == BufferParams::ParagraphSkipSeparation
- && par.ownerCode() != ERT_CODE
- && par.ownerCode() != LISTINGS_CODE
- && pit > 0
- && ((layout.isParagraph() && par.getDepth() == 0)
- || (pars[pit - 1].layout().isParagraph()
- && pars[pit - 1].getDepth() == 0)))
- {
- maxasc += bufparams.getDefSkip().inPixels(*bv_);
+ if (bufparams.paragraph_separation == BufferParams::ParagraphSkipSeparation
+ && !inset.getLayout().parbreakIsNewline()
+ && !par.layout().parbreak_is_newline
+ && 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())
&& !par.params().labelString().empty()) {
labeladdon = int(labelfont_metrics.maxHeight()
* layout.spacing.getValue()
- * text_->spacing(buffer, par));
+ * text_->spacing(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, pars)
+ && text_->isFirstInSequence(pit)
&& !par.labelString().empty())
{
labeladdon = int(
labelfont_metrics.maxHeight()
* layout.spacing.getValue()
- * text_->spacing(buffer, par)
+ * text_->spacing(par)
+ (layout.topsep + layout.labelbottomsep) * dh);
}
// a section, or between the items of a itemize or enumerate
// environment.
- pit_type prev = depthHook(pit, pars, par.getDepth());
+ pit_type prev = text_->depthHook(pit, par.getDepth());
Paragraph const & prevpar = pars[prev];
if (prev != pit
&& prevpar.layout() == layout
layoutasc = layout.topsep * dh;
}
- prev = outerHook(pit, pars);
+ prev = text_->outerHook(pit);
if (prev != pit_type(pars.size())) {
maxasc += int(pars[prev].layout().parsep * dh);
} else if (pit != 0) {
if (pars[cpit].getDepth() > pars[nextpit].getDepth()) {
usual = pars[cpit].layout().bottomsep * dh;
- cpit = depthHook(cpit, pars, pars[nextpit].getDepth());
+ cpit = text_->depthHook(cpit, pars[nextpit].getDepth());
if (pars[cpit].layout() != pars[nextpit].layout()
|| pars[nextpit].getLabelWidthString() != pars[cpit].getLabelWidthString())
{
return 0;
}
+ // This (rtl_support test) is not needed, but gives
+ // some speedup if rtl_support == false
+ bool const lastrow = lyxrc.rtl_support && row.endpos() == par.size();
+
+ // If lastrow is false, we don't need to compute
+ // the value of rtl.
+ bool const rtl = lastrow ? text_->isRTL(par) : false;
+
+ // if the first character is a separator, and we are in RTL
+ // text, this character will not be painted on screen
+ // and thus we should not count it and skip to the next.
+ if (rtl && par.isSeparator(bidi.vis2log(vc)))
+ ++vc;
+
while (vc < end && tmpx <= x) {
c = bidi.vis2log(vc);
last_tmpx = tmpx;
if (body_pos > 0 && c == body_pos - 1) {
FontMetrics const & fm = theFontMetrics(
- text_->labelFont(buffer, par));
+ text_->labelFont(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
- // some speedup if rtl_support == false
- bool const lastrow = lyxrc.rtl_support && row.endpos() == par.size();
- // If lastrow is false, we don't need to compute
- // the value of rtl.
- bool const rtl = lastrow ? text_->isRTL(buffer, par) : false;
if (lastrow &&
((rtl && left_side && vc == row.pos() && x < tmpx - 5) ||
(!rtl && !left_side && vc == end && x > tmpx + 5))) {
// 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
if (y >= last->second.position() + int(pm_last.descent())) {
// We are looking for a position that is after the last paragraph in
- // the cache (which is in priciple off-screen, that is before the
+ // the cache (which is in priciple off-screen), that is before the
// visible part.
pit = last->first + 1;
if (pit == int(text_->paragraphs().size()))
}
-Row const & TextMetrics::getRowNearY(int y, pit_type pit) const
+Row const & TextMetrics::getPitAndRowNearY(int & y, pit_type & pit,
+ bool assert_in_view, bool up)
{
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;
for (; rit != rlast; yy += rit->height(), ++rit)
if (yy + rit->height() > y)
break;
+
+ if (assert_in_view) {
+ if (!up && yy + rit->height() > y) {
+ if (rit != pm.rows().begin()) {
+ y = yy;
+ --rit;
+ } else if (pit != 0) {
+ --pit;
+ newParMetricsUp();
+ ParagraphMetrics const & pm2 = par_metrics_[pit];
+ rit = pm2.rows().end();
+ --rit;
+ y = yy;
+ }
+ } else if (up && yy != y) {
+ if (rit != rlast) {
+ y = yy + rit->height();
+ ++rit;
+ } else if (pit < int(text_->paragraphs().size()) - 1) {
+ ++pit;
+ newParMetricsDown();
+ ParagraphMetrics const & pm2 = par_metrics_[pit];
+ rit = pm2.rows().begin();
+ y = pm2.position();
+ }
+ }
+ }
return *rit;
}
// x,y are absolute screen coordinates
// sets cursor recursively descending into nested editable insets
-Inset * TextMetrics::editXY(Cursor & cur, int x, int y)
+Inset * TextMetrics::editXY(Cursor & cur, int x, int y,
+ bool assert_in_view, bool up)
{
if (lyxerr.debugging(Debug::WORKAREA)) {
LYXERR0("TextMetrics::editXY(cur, " << x << ", " << y << ")");
cur.bv().coordCache().dump();
}
pit_type pit = getPitNearY(y);
- BOOST_ASSERT(pit != -1);
-
- Row const & row = getRowNearY(y, pit);
- bool bound = false;
+ LASSERT(pit != -1, return 0);
+
+ int yy = y; // is modified by getPitAndRowNearY
+ Row const & row = getPitAndRowNearY(yy, pit, assert_in_view, up);
+ bool bound = false; // is modified by getColumnNearX
int xx = x; // is modified by getColumnNearX
pos_type const pos = row.pos()
+ getColumnNearX(pit, row, xx, bound);
cur.setTargetX(x);
// try to descend into nested insets
- Inset * inset = checkInsetHit(x, y);
+ Inset * inset = checkInsetHit(x, yy);
//lyxerr << "inset " << inset << " hit at x: " << x << " y: " << y << endl;
if (!inset) {
// Either we deconst editXY or better we move current_font
}
ParagraphList const & pars = text_->paragraphs();
- Inset const * insetBefore = pos? pars[pit].getInset(pos - 1): 0;
- //Inset * insetBehind = pars[pit].getInset(pos);
+ Inset const * inset_before = pos ? pars[pit].getInset(pos - 1) : 0;
// 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(inset == inset_before
+ || inset == pars[pit].getInset(pos), return 0);
// Make sure the cursor points to the position before
// this inset.
- if (inset == insetBefore) {
+ if (inset == inset_before) {
--cur.pos();
cur.boundary(false);
}
// Try to descend recursively inside the inset.
- inset = inset->editXY(cur, x, y);
+ inset = inset->editXY(cur, x, yy);
if (cur.top().text() == text_)
cur.setCurrentFont();
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 (end <= row_pos)
cursor_vpos = row_pos;
else if (ppos >= end)
- cursor_vpos = text_->isRTL(buffer, par) ? row_pos : end;
+ cursor_vpos = text_->isRTL(par) ? row_pos : end;
else if (ppos > row_pos && ppos >= end)
+ //FIXME: this code is never reached!
+ // (see http://www.lyx.org/trac/changeset/8251)
// Place cursor after char at (logical) position pos - 1
cursor_vpos = (bidi.level(ppos - 1) % 2 == 0)
? bidi.log2vis(ppos - 1) + 1 : bidi.log2vis(ppos - 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);
-
+
+ if (lyxrc.paragraph_markers && text_->isRTL(par)) {
+ ParagraphList const & pars_ = text_->paragraphs();
+ if (size_type(pit + 1) < pars_.size()) {
+ FontInfo f;
+ docstring const s = docstring(1, char_type(0x00B6));
+ x += theFontMetrics(f).width(s);
+ }
+ }
+
// Inline completion RTL special case row_pos == cursor_pos:
// "__|b" => cursor_pos is right of __
if (row_pos == inlineCompletionVPos && row_pos == cursor_vpos) {
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_->labelFont(buffer, par));
+ text_->labelFont(par));
x += row.label_hfill + labelfm.width(par.layout().labelsep);
if (par.isLineSeparator(body_pos - 1))
x -= singleWidth(pit, body_pos - 1);
// 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 = 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
if (!font.isRightToLeft() && completion.length() > 0)
x += theFontMetrics(font.fontInfo()).width(completion);
}
-
+
if (par.isSeparator(pos) && pos >= body_pos)
x += row.separator;
}
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;
DocumentClass const & tclass = buffer.params().documentClass();
int l_margin = 0;
- if (text_->isMainText(buffer))
+ if (text_->isMainText())
l_margin += bv_->leftMargin();
l_margin += theFontMetrics(buffer.params().getFont()).signedWidth(
if (par.getDepth() != 0) {
// find the next level paragraph
- pit_type newpar = outerHook(pit, pars);
+ pit_type newpar = text_->outerHook(pit);
if (newpar != pit_type(pars.size())) {
if (pars[newpar].layout().isEnvironment()) {
l_margin = leftMargin(max_width, newpar);
}
- if (tclass.isDefaultLayout(par.layout())
- || tclass.isEmptyLayout(par.layout())) {
+ if (tclass.isDefaultLayout(par.layout())
+ || tclass.isPlainLayout(par.layout())) {
if (pars[newpar].params().noindent())
parindent.erase();
else
&& pit > 0 && pars[pit - 1].layout().nextnoindent)
parindent.erase();
- FontInfo const labelfont = text_->labelFont(buffer, par);
+ FontInfo const labelfont = text_->labelFont(par);
FontMetrics const & labelfont_metrics = theFontMetrics(labelfont);
switch (layout.margintype) {
case MARGIN_FIRST_DYNAMIC:
if (layout.labeltype == LABEL_MANUAL) {
- if (pos >= par.beginOfBody()) {
+ // 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 {
+ 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
- && !isFirstInSequence(pit, pars))) {
+ && !text_->isFirstInSequence(pit))) {
l_margin += labelfont_metrics.signedWidth(layout.leftmargin);
} else if (layout.labeltype != LABEL_TOP_ENVIRONMENT
&& layout.labeltype != LABEL_BIBLIO
|| layout.labeltype == LABEL_CENTERED_TOP_ENVIRONMENT
|| (layout.labeltype == LABEL_STATIC
&& layout.latextype == LATEX_ENVIRONMENT
- && !isFirstInSequence(pit, pars)))
- && align == LYX_ALIGN_BLOCK
+ && !text_->isFirstInSequence(pit)))
+ && (align == LYX_ALIGN_BLOCK || align == LYX_ALIGN_LEFT)
&& !par.params().noindent()
// in some insets, paragraphs are never indented
- && !(par.inInset() && par.inInset()->neverIndent())
+ && !text_->inset().neverIndent()
// display style insets are always centered, omit indentation
&& !(!par.empty()
&& par.isInset(pos)
&& par.getInset(pos)->display())
- && ((tclass.isDefaultLayout(par.layout())
- || tclass.isEmptyLayout(par.layout()))
- || buffer.params().paragraph_separation == BufferParams::ParagraphIndentSeparation)
+ && (!(tclass.isDefaultLayout(par.layout())
+ || tclass.isPlainLayout(par.layout()))
+ || buffer.params().paragraph_separation
+ == BufferParams::ParagraphIndentSeparation)
)
- {
- l_margin += theFontMetrics(buffer.params().getFont()).signedWidth(
- parindent);
- }
-
+ {
+ // use the parindent of the layout when the default indentation is
+ // used otherwise use the indentation set in the document settings
+ if (buffer.params().getIndentation().asLyXCommand() == "default")
+ l_margin += theFontMetrics(
+ buffer.params().getFont()).signedWidth(parindent);
+ else
+ l_margin += buffer.params().getIndentation().inPixels(*bv_);
+ }
+
return l_margin;
}
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_
+ // if the anchor is outside, this is not our selection
+ && cur.normalAnchor().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.pit() = pit;
- sel_beg.pos() = 0;
+ sel_beg_par.pit() = pit;
+ sel_beg_par.pos() = 0;
}
if (pit != sel_end.pit()) {
- sel_end.pit() = pit;
- sel_end.pos() = sel_end.lastpos();
+ sel_end_par.pit() = pit;
+ sel_end_par.pos() = sel_end_par.lastpos();
}
}
RowPainter rp(pi, *text_, pit, row, bidi, x, y);
if (selection)
- row.setSelection(sel_beg.pos(), sel_end.pos());
+ 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();
-
+
+ // Take this opportunity to spellcheck the row contents.
+ if (row_has_changed && lyxrc.spellcheck_continuously) {
+ text_->getPar(pit).spellCheck();
+ }
+
// 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);
- }
-
+
// Instrumentation for testing row cache (see also
// 12 lines lower):
if (lyxerr.debugging(Debug::PAINTING) && inside
- && (row_selection || pi.full_repaint || row_has_changed)) {
- string const foreword = text_->isMainText(bv_->buffer()) ?
+ && (row.selection() || pi.full_repaint || row_has_changed)) {
+ string const foreword = text_->isMainText() ?
"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);
}
// for inner insets as the Row has been cleared out.
bool tmp = pi.full_repaint;
pi.full_repaint = true;
+
+ rp.paintSelection();
rp.paintAppendix();
rp.paintDepthBar();
rp.paintChangeBar();
- if (i == 0)
+ bool const is_rtl = text_->isRTL(text_->getPar(pit));
+ if (i == 0 && !is_rtl)
rp.paintFirst();
+ if (i == nrows - 1 && is_rtl)
+ rp.paintLast();
rp.paintText();
- if (i == nrows - 1)
+ if (i == nrows - 1 && !is_rtl)
rp.paintLast();
+ if (i == 0 && is_rtl)
+ rp.paintFirst();
y += row.descent();
+
// Restore full_repaint status.
pi.full_repaint = tmp;
}
}
-void TextMetrics::drawRowSelection(PainterInfo & pi, int x, Row const & row,
- DocIterator const & beg, DocIterator const & end,
- bool drawOnBegMargin, bool drawOnEndMargin) const
-{
- 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();
-
- // 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 (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 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 (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
- ++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
- // right side of a boundary or at the selection end)
- x1 = -1;
- }
- }
-}
-
-
-void TextMetrics::completionPosAndDim(Cursor const & cur, int & x, int & y,
+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());
-
+ //FIXME: Is it necessary to explicitly set this to false?
+ wordStart.boundary(false);
+ Point lxy = cur.bv().getPos(wordStart);
+ Point rxy = cur.bv().getPos(bvcur);
+
// 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;
}
projects / lyx.git / blobdiff