#include "CoordCache.h"
#include "Cursor.h"
#include "CutAndPaste.h"
-#include "FuncRequest.h"
#include "HSpace.h"
#include "InsetList.h"
#include "Layout.h"
-#include "Length.h"
#include "LyXRC.h"
#include "MetricsInfo.h"
#include "ParagraphParameters.h"
-#include "ParIterator.h"
#include "rowpainter.h"
#include "Text.h"
#include "TextClass.h"
#include "insets/InsetText.h"
-#include "mathed/MacroTable.h"
#include "mathed/MathMacroTemplate.h"
#include "frontends/FontMetrics.h"
#include "frontends/Painter.h"
#include "support/debug.h"
-#include <cstdlib>
#include "support/lassert.h"
+#include <cstdlib>
+
using namespace std;
using frontend::FontMetrics;
-static int numberOfSeparators(Paragraph const & par, Row const & row)
+namespace {
+
+int numberOfSeparators(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))
+ Row::const_iterator cit = row.begin();
+ Row::const_iterator const end = row.end();
+ for ( ; cit != end ; ++cit)
+ if (cit->isSeparator())
++n;
- }
return n;
}
-static int numberOfLabelHfills(Paragraph const & par, Row const & row)
+void setSeparatorWidth(Row & row, double w)
+{
+ row.separator = w;
+ Row::iterator it = row.begin();
+ Row::iterator const end = row.end();
+ for ( ; it != end ; ++it)
+ if (it->isSeparator())
+ it->extra = w;
+}
+
+
+int numberOfLabelHfills(Paragraph const & par, Row const & row)
{
pos_type last = row.endpos() - 1;
pos_type first = row.pos();
}
-static int numberOfHfills(Paragraph const & par, Row const & row)
+int numberOfHfills(Row const & row, pos_type const body_pos)
{
- 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))
+ Row::const_iterator cit = row.begin();
+ Row::const_iterator const end = row.end();
+ for ( ; cit != end ; ++cit)
+ if (cit->pos >= body_pos
+ && cit->inset && cit->inset->isHfill())
++n;
- }
return n;
}
+}
+
/////////////////////////////////////////////////////////////////////
//
// TextMetrics
TextMetrics::TextMetrics(BufferView * bv, Text * text)
: bv_(bv), text_(text)
{
- LASSERT(bv_, /**/);
+ LBUFERR(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
{
+ LBUFERR(!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)
{
- LASSERT(mi.base.textwidth > 0, /**/);
+ LBUFERR(mi.base.textwidth > 0);
max_width_ = mi.base.textwidth;
// backup old dimension.
Dimension const old_dim = dim_;
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
{
- LASSERT(pos >= 0, /**/);
+ LASSERT(pos >= 0, { static Font f; return f; });
ParagraphList const & pars = text_->paragraphs();
Paragraph const & par = pars[pit];
bool TextMetrics::isRTLBoundary(pit_type pit, pos_type pos) const
{
- if (!lyxrc.rtl_support)
- return false;
-
// no RTL boundary at paragraph start
- if (pos == 0)
+ if (!lyxrc.rtl_support || pos == 0)
return false;
Font const & left_font = displayFont(pit, pos - 1);
}
+// 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;
- // no RTL boundary at paragraph start
- if (pos == 0)
- return false;
-
ParagraphMetrics & pm = par_metrics_[pit];
// no RTL boundary in empty paragraph
if (pm.rows().empty())
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();
-
- // 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;
-
+
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];
main_text_ = (text_ == &buffer.text());
bool changed = false;
+ // Check whether there are InsetBibItems that need fixing
// 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?
+ // 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);
- if (moveCursor > 0)
- const_cast<Cursor &>(bv_->cursor()).posForward();
- else if (moveCursor < 0) {
- Cursor & cursor = const_cast<Cursor &>(bv_->cursor());
- if (cursor.pos() >= -moveCursor)
- cursor.posBackward();
+ if (par.brokenBiblio()) {
+ Cursor & cur = const_cast<Cursor &>(bv_->cursor());
+ // In some cases, we do not know how to record undo
+ if (&cur.inset() == &text_->inset())
+ cur.recordUndo(ATOMIC_UNDO, pit, pit);
+
+ int const moveCursor = par.fixBiblio(buffer);
+
+ // Is it necessary to update the cursor?
+ if (&cur.inset() == &text_->inset() && cur.pit() == pit) {
+ if (moveCursor > 0)
+ cur.posForward();
+ else if (moveCursor < 0 && cur.pos() >= -moveCursor)
+ cur.posBackward();
+ }
}
// Optimisation: this is used in the next two loops
LYXERR(Debug::INFO, "MacroContext not initialised!"
<< " Going through the buffer again and hope"
<< " the context is better then.");
- bv_->buffer().updateLabels();
+ // 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();
- LASSERT(!parPos.empty(), /**/);
+ LBUFERR(!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;
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);
pos_type first = 0;
size_t row_index = 0;
// maximum pixel width of a row
- int width = max_width_ - right_margin; // - leftMargin(max_width_, pit, row);
do {
- 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
- // the full allowable width. This setting here is needed
- // for the computeRowMetrics() below.
- dim_.wid = max_width_;
-
- dim = rowHeight(pit, first, end);
- dim.wid = rowWidth(right_margin, pit, first, end);
if (row_index == pm.rows().size())
pm.rows().push_back(Row());
Row & row = pm.rows()[row_index];
- row.setChanged(false);
row.pos(first);
- row.endpos(end);
- row.setDimension(dim);
- int const max_row_width = max(dim_.wid, dim.wid);
+ breakRow(row, right_margin, pit);
+ setRowHeight(row, pit);
+ row.setChanged(false);
+ if (row_index || row.endpos() < par.size())
+ // 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_;
+ int const max_row_width = max(dim_.wid, row.width());
computeRowMetrics(pit, row, max_row_width);
- first = end;
+ first = row.endpos();
++row_index;
- pm.dim().wid = max(pm.dim().wid, dim.wid);
- pm.dim().des += dim.height();
+ pm.dim().wid = max(pm.dim().wid, row.width());
+ pm.dim().des += row.height();
} while (first < par.size());
if (row_index < pm.rows().size())
// Make sure that if a par ends in newline, there is one more row
// under it
if (first > 0 && par.isNewline(first - 1)) {
- Dimension dim = rowHeight(pit, first, first);
- dim.wid = rowWidth(right_margin, pit, first, first);
if (row_index == pm.rows().size())
pm.rows().push_back(Row());
Row & row = pm.rows()[row_index];
- row.setChanged(false);
row.pos(first);
row.endpos(first);
- row.setDimension(dim);
- int const max_row_width = max(dim_.wid, dim.wid);
+ setRowHeight(row, pit);
+ row.setChanged(false);
+ int const max_row_width = max(dim_.wid, row.width());
computeRowMetrics(pit, row, max_row_width);
- pm.dim().des += dim.height();
+ pm.dim().des += row.height();
}
pm.dim().asc += pm.rows()[0].ascent();
}
+int TextMetrics::getAlign(Paragraph const & par, pos_type const pos) const
+{
+ Layout const & layout = par.layout();
+
+ int align;
+ if (par.params().align() == LYX_ALIGN_LAYOUT)
+ align = layout.align;
+ else
+ align = par.params().align();
+
+ // 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(pos)) {
+ switch (inset->display()) {
+ case Inset::AlignLeft:
+ align = LYX_ALIGN_BLOCK;
+ break;
+ case Inset::AlignCenter:
+ align = LYX_ALIGN_CENTER;
+ break;
+ case Inset::Inline:
+ // unchanged (use align)
+ break;
+ case Inset::AlignRight:
+ align = LYX_ALIGN_RIGHT;
+ break;
+ }
+ }
+
+ // Has the user requested we not justify stuff?
+ if (!bv_->buffer().params().justification
+ && align == LYX_ALIGN_BLOCK)
+ align = LYX_ALIGN_LEFT;
+
+ return align;
+}
+
+
void TextMetrics::computeRowMetrics(pit_type const pit,
Row & row, int width) const
{
// is there a manual margin with a manual label
Layout const & layout = par.layout();
+ int nlh = 0;
if (layout.margintype == MARGIN_MANUAL
&& layout.labeltype == LABEL_MANUAL) {
/// We might have real hfills in the label part
- int nlh = numberOfLabelHfills(par, row);
+ nlh = numberOfLabelHfills(par, row);
// A manual label par (e.g. List) has an auto-hfill
// between the label text and the body of the
double hfill = 0;
// are there any hfills in the row?
- if (int const nh = numberOfHfills(par, row)) {
+ if (int const nh = numberOfHfills(row, par.beginOfBody())) {
if (w > 0)
hfill = w / double(nh);
// we don't have to look at the alignment if it is ALIGN_LEFT and
} else if (int(row.width()) < max_width_) {
// 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();
-
- // 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_BLOCK;
- break;
- case Inset::AlignCenter:
- align = LYX_ALIGN_CENTER;
- break;
- case Inset::Inline:
- // unchanged (use align)
- break;
- case Inset::AlignRight:
- align = LYX_ALIGN_RIGHT;
- break;
- }
- }
+ int const align = getAlign(par, row.pos());
switch (align) {
case LYX_ALIGN_BLOCK: {
- int const ns = numberOfSeparators(par, row);
+ int const ns = numberOfSeparators(row);
bool disp_inset = false;
if (row.endpos() < par.size()) {
Inset const * in = par.getInset(row.endpos());
// 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()
+ if (ns && row.endpos() < par.size()
&& !par.isNewline(row.endpos() - 1)
- && !disp_inset
- ) {
- row.separator = w / ns;
+ && !disp_inset) {
+ setSeparatorWidth(row, w / ns);
//lyxerr << "row.separator " << row.separator << endl;
//lyxerr << "ns " << ns << endl;
} else if (is_rtl) {
}
}
+#if 0
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)))
- {
+ && (body_pos > end || !par.isLineSeparator(body_pos - 1))) {
row.x += theFontMetrics(text_->labelFont(par)).
width(layout.labelsep);
if (body_pos <= end)
row.x += row.label_hfill;
}
}
+#endif
pos_type const endpos = row.endpos();
pos_type body_pos = par.beginOfBody();
if (body_pos > 0
- && (body_pos > endpos || !par.isLineSeparator(body_pos - 1)))
+ && (body_pos > endpos || !par.isLineSeparator(body_pos - 1)))
body_pos = 0;
ParagraphMetrics & pm = par_metrics_[pit];
- InsetList::const_iterator ii = par.insetList().begin();
- InsetList::const_iterator iend = par.insetList().end();
- for ( ; ii != iend; ++ii) {
- if (ii->pos >= endpos || ii->pos < row.pos()
- || (ii->inset->lyxCode() != SPACE_CODE ||
- !ii->inset->isStretchableSpace()))
+ Row::iterator cit = row.begin();
+ Row::iterator const cend = row.end();
+ for ( ; cit != cend; ++cit) {
+ if (row.label_hfill && cit->endpos == body_pos
+ && cit->type == Row::Element::SPACE)
+ cit->dim.wid -= row.label_hfill * (nlh - 1);
+ if (!cit->inset || !cit->inset->isHfill())
continue;
- Dimension dim = row.dimension();
- if (pm.hfillExpansion(row, ii->pos))
- dim.wid = int(ii->pos >= body_pos ?
- max(hfill, 5.0) : row.label_hfill);
+ if (pm.hfillExpansion(row, cit->pos))
+ cit->dim.wid = int(cit->pos >= body_pos ?
+ max(hfill, 5.0) : row.label_hfill);
else
- dim.wid = 5;
+ cit->dim.wid = 5;
// Cache the inset dimension.
- bv_->coordCache().insets().add(ii->inset, dim);
- pm.setInsetDimension(ii->inset, dim);
+ bv_->coordCache().insets().add(cit->inset, cit->dim);
+ pm.setInsetDimension(cit->inset, cit->dim);
}
}
int TextMetrics::labelFill(pit_type const pit, Row const & row) const
{
Paragraph const & par = text_->getPar(pit);
-
- pos_type last = par.beginOfBody();
- LASSERT(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;
+ LBUFERR(par.beginOfBody() > 0);
int w = 0;
- for (pos_type i = row.pos(); i <= last; ++i)
- w += singleWidth(pit, i);
+ Row::const_iterator cit = row.begin();
+ Row::const_iterator const end = row.end();
+ // iterate over elements before main body (except the last one,
+ // which is extra space).
+ while (cit!= end && cit->endpos < par.beginOfBody()) {
+ w += cit->width();
+ ++cit;
+ }
docstring const & label = par.params().labelWidthString();
if (label.empty())
}
+#if 0
+// Not used, see TextMetrics::breakRow
// this needs special handling - only newlines count as a break point
static pos_type addressBreakPoint(pos_type i, Paragraph const & par)
{
return end;
}
+#endif
int TextMetrics::labelEnd(pit_type const pit) const
FontIterator & operator++()
{
++pos_;
- if (pos_ > endspan_ || pos_ == bodypos_) {
+ if (pos_ < par_.size() && (pos_ > endspan_ || pos_ == bodypos_)) {
font_ = tm_.displayFont(pit_, pos_);
endspan_ = par_.fontSpan(pos_).last;
}
} // anon namespace
-pit_type TextMetrics::rowBreakPoint(int width, pit_type const pit,
- pit_type pos) const
+void TextMetrics::breakRow(Row & row, int const right_margin, pit_type const pit) const
{
- ParagraphMetrics const & pm = par_metrics_[pit];
Paragraph const & par = text_->getPar(pit);
pos_type const end = par.size();
- if (pos == end || width < 0)
- return end;
+ pos_type const pos = row.pos();
+ int const width = max_width_ - right_margin;
+ pos_type const body_pos = par.beginOfBody();
+ row.clear();
+ row.dimension().wid = leftMargin(max_width_, pit, pos);
- Layout const & layout = par.layout();
+ if (pos >= end || row.width() > width) {
+ row.dimension().wid += right_margin;
+ row.endpos(end);
+ return;
+ }
- if (layout.margintype == MARGIN_RIGHT_ADDRESS_BOX)
- return addressBreakPoint(pos, par);
+ ParagraphMetrics const & pm = par_metrics_[pit];
+ ParagraphList const & pars = text_->paragraphs();
- pos_type const body_pos = par.beginOfBody();
+#if 0
+ //FIXME: As long as leftMargin() is not correctly implemented for
+ // MARGIN_RIGHT_ADDRESS_BOX, we should also not do this here.
+ // Otherwise, long rows will be painted off the screen.
+ if (par.layout().margintype == MARGIN_RIGHT_ADDRESS_BOX)
+ return addressBreakPoint(pos, par);
+#endif
// check for possible inline completion
DocIterator const & inlineCompletionPos = bv_->inlineCompletionPos();
}
// Now we iterate through until we reach the right margin
- // or the end of the par, then choose the possible break
- // nearest that.
-
- int label_end = labelEnd(pit);
- int const left = leftMargin(max_width_, pit, pos);
- int x = left;
-
- // pixel width since last breakpoint
- int chunkwidth = 0;
-
- FontIterator fi = FontIterator(*this, par, pit, pos);
- pos_type point = end;
+ // or the end of the par, then build a representation of the row.
pos_type i = pos;
- for ( ; i < end; ++i, ++fi) {
- int thiswidth = pm.singleWidth(i, *fi);
-
- // add inline completion width
- if (inlineCompletionLPos == i) {
- docstring const & completion = bv_->inlineCompletion();
- if (completion.length() > 0)
- thiswidth += theFontMetrics(*fi).width(completion);
+ FontIterator fi = FontIterator(*this, par, pit, pos);
+ while (i < end && row.width() < width) {
+ char_type c = par.getChar(i);
+ // The most special cases are handled first.
+ if (par.isInset(i)) {
+ Inset const * ins = par.getInset(i);
+ Dimension dim = pm.insetDimension(ins);
+ row.add(i, ins, dim, *fi, par.lookupChange(i));
+ } else if (par.isLineSeparator(i)) {
+ // In theory, no inset has this property. If
+ // this is done, a new addSeparator which
+ // takes an inset as parameter should be
+ // added.
+ LATTEST(!par.isInset(i));
+ row.addSeparator(i, c, *fi, par.lookupChange(i));
+ } else if (c == '\t')
+ row.addSpace(i, theFontMetrics(*fi).width(from_ascii(" ")),
+ *fi, par.lookupChange(i));
+ else
+ row.add(i, c, *fi, par.lookupChange(i));
+
+ // end of paragraph marker
+ if (lyxrc.paragraph_markers
+ && i == end - 1 && size_type(pit + 1) < pars.size()) {
+ // enlarge the last character to hold the end-of-par marker
+ Font f(text_->layoutFont(pit));
+ f.fontInfo().setColor(Color_paragraphmarker);
+ row.add(i, char_type(0x00B6), f, Change());
}
- // add the auto-hfill from label end to the body
- if (body_pos && i == body_pos) {
- FontMetrics const & fm = theFontMetrics(
- text_->labelFont(par));
- int add = fm.width(layout.labelsep);
- if (par.isLineSeparator(i - 1))
- add -= singleWidth(pit, i - 1);
-
- add = max(add, label_end - x);
- thiswidth += add;
+ // add inline completion width
+ if (inlineCompletionLPos == i &&
+ !bv_->inlineCompletion().empty()) {
+ Font f = *fi;
+ f.fontInfo().setColor(Color_inlinecompletion);
+ row.addCompletion(i + 1, bv_->inlineCompletion(),
+ f, Change());
}
- 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:
+ // Handle some situations that abruptly terminate the row
+ // - A newline inset
+ // - Before a display inset
+ // - After a display inset
+ Inset const * inset = 0;
+ if (par.isNewline(i)
+ || (i + 1 < end && (inset = par.getInset(i + 1))
+ && inset->display())
+ || (!row.empty() && row.back().inset
+ && row.back().inset->display())) {
+ ++i;
break;
}
- if (par.isNewline(i)) {
- point = i + 1;
- break;
- }
- Inset const * inset = 0;
- // Break before...
- if (i + 1 < end) {
- if ((inset = par.getInset(i + 1)) && inset->display()) {
- point = i + 1;
- break;
- }
- // ...and after.
- if ((inset = par.getInset(i)) && inset->display()) {
- point = i + 1;
- break;
- }
- }
+ ++i;
+ ++fi;
- inset = par.getInset(i);
- if (!inset || inset->isChar()) {
- // some insets are line separators too
- if (par.isLineSeparator(i)) {
- // register breakpoint:
- point = i + 1;
- chunkwidth = 0;
+ // add the auto-hfill from label end to the body
+ if (body_pos && i == body_pos) {
+ FontMetrics const & fm = theFontMetrics(text_->labelFont(par));
+ pos_type j = i;
+ if (!row.empty() && row.back().isSeparator()) {
+ row.pop_back();
+ --j;
}
+ int const add = max(fm.width(par.layout().labelsep),
+ labelEnd(pit) - row.width());
+ row.addSpace(j, add, *fi, par.lookupChange(i));
}
- }
-
- // 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;
-
- return point;
-}
-
-
-int TextMetrics::rowWidth(int right_margin, pit_type const pit,
- pos_type const first, pos_type const end) const
-{
- // get the pure distance
- ParagraphMetrics const & pm = par_metrics_[pit];
- Paragraph const & par = text_->getPar(pit);
- int w = leftMargin(max_width_, pit, first);
- int label_end = labelEnd(pit);
-
- // check for possible inline completion
- DocIterator const & inlineCompletionPos = bv_->inlineCompletionPos();
- pos_type inlineCompletionLPos = -1;
- if (inlineCompletionPos.inTexted()
- && inlineCompletionPos.text() == text_
- && inlineCompletionPos.pit() == pit) {
- // draw logically behind the previous character
- inlineCompletionLPos = inlineCompletionPos.pos() - 1;
}
- pos_type const body_pos = par.beginOfBody();
- pos_type i = first;
-
- if (i < end) {
- FontIterator fi = FontIterator(*this, par, pit, i);
- for ( ; i < end; ++i, ++fi) {
- if (body_pos > 0 && i == body_pos) {
- FontMetrics const & fm = theFontMetrics(
- text_->labelFont(par));
- w += fm.width(par.layout().labelsep);
- if (par.isLineSeparator(i - 1))
- w -= singleWidth(pit, i - 1);
- w = max(w, label_end);
- }
-
- // 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) {
- docstring const & completion = bv_->inlineCompletion();
- if (completion.length() > 0)
- w += theFontMetrics(*fi).width(completion);
- }
- }
- }
+ row.finalizeLast();
+ row.endpos(i);
+ // if the row is too large, try to cut at last separator.
+ if (row.width() >= width)
+ row.separate_back(body_pos);
- if (body_pos > 0 && body_pos >= end) {
- FontMetrics const & fm = theFontMetrics(
- text_->labelFont(par));
- w += fm.width(par.layout().labelsep);
- if (end > 0 && par.isLineSeparator(end - 1))
- w -= singleWidth(pit, end - 1);
- w = max(w, label_end);
- }
+ // if the row ends with a separator that is not at end of
+ // paragraph, remove it
+ if (!row.empty() && row.back().isSeparator()
+ && row.endpos() < par.size())
+ row.pop_back();
+
+ // make sure that the RtL elements are in reverse ordering
+ row.reverseRtL();
- return w + right_margin;
+ row.dimension().wid += right_margin;
}
-Dimension TextMetrics::rowHeight(pit_type const pit, pos_type const first,
- pos_type const end, bool topBottomSpace) const
+void TextMetrics::setRowHeight(Row & row, pit_type const pit,
+ bool topBottomSpace) const
{
Paragraph const & par = text_->getPar(pit);
// get the maximum ascent and the maximum descent
// start with so we don't have to do the assignment below too
// often.
Buffer const & buffer = bv_->buffer();
- Font font = displayFont(pit, first);
+ Font font = displayFont(pit, row.pos());
FontSize const tmpsize = font.fontInfo().size();
font.fontInfo() = text_->layoutFont(pit);
FontSize const size = font.fontInfo().size();
InsetList::const_iterator ii = par.insetList().begin();
InsetList::const_iterator iend = par.insetList().end();
for ( ; ii != iend; ++ii) {
- if (ii->pos >= first && ii->pos < end) {
+ if (ii->pos >= row.pos() && ii->pos < row.endpos()) {
Dimension const & dim = pm.insetDimension(ii->inset);
maxasc = max(maxasc, dim.ascent());
maxdesc = max(maxdesc, dim.descent());
int labeladdon = 0;
FontSize maxsize =
- par.highestFontInRange(first, end, size);
+ par.highestFontInRange(row.pos(), row.endpos(), size);
if (maxsize > font.fontInfo().size()) {
// use standard paragraph font with the maximal size
FontInfo maxfont = font.fontInfo();
Inset const & inset = text_->inset();
// is it a top line?
- if (first == 0 && topBottomSpace) {
+ if (row.pos() == 0 && topBottomSpace) {
BufferParams const & bufparams = buffer.params();
// some parskips VERY EASY IMPLEMENTATION
- if (bufparams.paragraph_separation
- == BufferParams::ParagraphSkipSeparation
- && inset.lyxCode() != ERT_CODE
- && inset.lyxCode() != 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())
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()
- * 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)
- && text_->isFirstInSequence(pit)
- && !par.labelString().empty())
- {
+ if (layout.labelIsAbove()
+ && (!layout.isParagraphGroup() || text_->isFirstInSequence(pit))
+ && !par.labelString().empty()) {
labeladdon = int(
labelfont_metrics.maxHeight()
* layout.spacing.getValue()
&& prevpar.getLabelWidthString()
== par.getLabelWidthString()) {
layoutasc = layout.itemsep * dh;
- } else if (pit != 0 || first != 0) {
+ } else if (pit != 0 || row.pos() != 0) {
if (layout.topsep > 0)
layoutasc = layout.topsep * dh;
}
}
// is it a bottom line?
- if (end >= par.size() && topBottomSpace) {
+ if (row.endpos() >= par.size() && topBottomSpace) {
// 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;
+ double usual = pars[cpit].layout().bottomsep * dh;
+ double unusual = 0;
cpit = text_->depthHook(cpit, pars[nextpit].getDepth());
if (pars[cpit].layout() != pars[nextpit].layout()
- || pars[nextpit].getLabelWidthString() != pars[cpit].getLabelWidthString())
- {
+ || 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()
// main Text. The following test is thus bogus.
// Top and bottom margin of the document (only at top-level)
if (main_text_ && topBottomSpace) {
- if (pit == 0 && first == 0)
+ if (pit == 0 && row.pos() == 0)
maxasc += 20;
if (pit + 1 == pit_type(pars.size()) &&
- end == par.size() &&
- !(end > 0 && par.isNewline(end - 1)))
+ row.endpos() == par.size() &&
+ !(row.endpos() > 0 && par.isNewline(row.endpos() - 1)))
maxdesc += 20;
}
- return Dimension(0, maxasc + labeladdon, maxdesc);
+ row.dimension().asc = maxasc + labeladdon;
+ row.dimension().des = maxdesc;
}
bidi.computeTables(par, buffer, row);
pos_type vc = row.pos();
- pos_type end = row.endpos();
+ pos_type const end = row.endpos();
pos_type c = 0;
Layout const & layout = par.layout();
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_on_lastrow = lastrow ? text_->isRTL(par) : false;
+
while (vc < end && tmpx <= x) {
c = bidi.vis2log(vc);
last_tmpx = tmpx;
left_side = true;
}
- LASSERT(vc <= end, /**/); // This shouldn't happen.
+ // This shouldn't happen. But we can reset and try to continue.
+ LASSERT(vc <= end, vc = end);
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(par) : false;
if (lastrow &&
- ((rtl && left_side && vc == row.pos() && x < tmpx - 5) ||
- (!rtl && !left_side && vc == end && x > tmpx + 5))) {
+ ((rtl_on_lastrow && left_side && vc == row.pos() && x < tmpx - 5) ||
+ (!rtl_on_lastrow && !left_side && vc == end && x > tmpx + 5))) {
if (!par.isNewline(end - 1))
c = end;
} else if (vc == row.pos()) {
// upDownInText() while in selection mode.
ParagraphMetrics const & pm = parMetrics(pit);
- LASSERT(row < int(pm.rows().size()), /**/);
+ LBUFERR(row < int(pm.rows().size()));
bool bound = false;
Row const & r = pm.rows()[row];
return r.pos() + getColumnNearX(pit, r, x, bound);
int yy = -1;
ParMetricsCache::const_iterator it = par_metrics_.begin();
ParMetricsCache::const_iterator et = par_metrics_.end();
- ParMetricsCache::const_iterator last = et; last--;
+ ParMetricsCache::const_iterator last = et;
+ --last;
ParagraphMetrics const & pm = it->second;
}
-Row const & TextMetrics::getPitAndRowNearY(int y, pit_type & pit,
+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();
- LASSERT(!pm.rows().empty(), /**/);
+ LBUFERR(!pm.rows().empty());
RowList::const_iterator rit = pm.rows().begin();
RowList::const_iterator rlast = pm.rows().end();
--rlast;
if (yy + rit->height() > y)
break;
- if (assert_in_view && yy + rit->height() != y) {
- if (!up) {
- if (rit != pm.rows().begin())
+ if (assert_in_view) {
+ if (!up && yy + rit->height() > y) {
+ if (rit != pm.rows().begin()) {
+ y = yy;
--rit;
- else if (pit != 0) {
+ } else if (pit != 0) {
--pit;
newParMetricsUp();
ParagraphMetrics const & pm2 = par_metrics_[pit];
rit = pm2.rows().end();
--rit;
+ y = yy;
}
- } else {
- if (rit != rlast)
+ } else if (up && yy != y) {
+ if (rit != rlast) {
+ y = yy + rit->height();
++rit;
- else if (pit != int(par_metrics_.size())) {
+ } else if (pit < int(text_->paragraphs().size()) - 1) {
++pit;
newParMetricsDown();
ParagraphMetrics const & pm2 = par_metrics_[pit];
rit = pm2.rows().begin();
+ y = pm2.position();
}
}
}
pit_type pit = getPitNearY(y);
LASSERT(pit != -1, return 0);
- Row const & row = getPitAndRowNearY(y, pit, assert_in_view, up);
- bool bound = false;
+ int yy = y; // is modified by getPitAndRowNearY
+ Row const & row = getPitAndRowNearY(yy, pit, assert_in_view, up);
- int xx = x; // is modified by getColumnNearX
- pos_type const pos = row.pos()
- + getColumnNearX(pit, row, xx, bound);
cur.pit() = pit;
- cur.pos() = pos;
- cur.boundary(bound);
- cur.setTargetX(x);
- // try to descend into nested insets
- Inset * inset = checkInsetHit(x, y);
- //lyxerr << "inset " << inset << " hit at x: " << x << " y: " << y << endl;
- if (!inset) {
- // Either we deconst editXY or better we move current_font
- // and real_current_font to Cursor
- // FIXME: what is needed now that current_font and real_current_font
- // are transferred?
+ // Do we cover an inset?
+ InsetList::InsetTable * it = checkInsetHit(pit, x, yy);
+
+ if (!it) {
+ // No inset, set position in the text
+ bool bound = false; // is modified by getColumnNearX
+ int xx = x; // is modified by getColumnNearX
+ cur.pos() = row.pos()
+ + getColumnNearX(pit, row, xx, bound);
+ cur.boundary(bound);
cur.setCurrentFont();
+ cur.setTargetX(xx);
return 0;
}
- ParagraphList const & pars = text_->paragraphs();
- Inset const * insetBefore = pos ? pars[pit].getInset(pos - 1) : 0;
- //Inset * insetBehind = pars[pit].getInset(pos);
-
- // This should be just before or just behind the
- // cursor position set above.
- LASSERT((pos != 0 && inset == insetBefore)
- || inset == pars[pit].getInset(pos), /**/);
-
- // Make sure the cursor points to the position before
- // this inset.
- if (inset == insetBefore) {
- --cur.pos();
- cur.boundary(false);
- }
+ Inset * inset = it->inset;
+ //lyxerr << "inset " << inset << " hit at x: " << x << " y: " << y << endl;
+
+ // Set position in front of inset
+ cur.pos() = it->pos;
+ cur.boundary(false);
+ cur.setTargetX(x);
// 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)
{
- LASSERT(text_ == cur.text(), /**/);
- pit_type pit = getPitNearY(y);
+ LASSERT(text_ == cur.text(), return);
+ pit_type const pit = getPitNearY(y);
LASSERT(pit != -1, return);
ParagraphMetrics const & pm = par_metrics_[pit];
" pit: " << pit << " yy: " << yy);
int r = 0;
- LASSERT(pm.rows().size(), /**/);
+ LBUFERR(pm.rows().size());
for (; r < int(pm.rows().size()) - 1; ++r) {
Row const & row = pm.rows()[r];
if (int(yy + row.height()) > y)
//takes screen x,y coordinates
-Inset * TextMetrics::checkInsetHit(int x, int y)
+InsetList::InsetTable * TextMetrics::checkInsetHit(pit_type pit, int x, int y)
{
- pit_type pit = getPitNearY(y);
- LASSERT(pit != -1, return 0);
-
Paragraph const & par = text_->paragraphs()[pit];
ParagraphMetrics const & pm = par_metrics_[pit];
LYXERR(Debug::DEBUG, "xo: " << p.x_ << "..." << p.x_ + dim.wid
<< " yo: " << p.y_ - dim.asc << "..." << p.y_ + dim.des);
- if (x >= p.x_
- && x <= p.x_ + dim.wid
- && y >= p.y_ - dim.asc
- && y <= p.y_ + dim.des) {
+ if (x >= p.x_ && x <= p.x_ + dim.wid
+ && y >= p.y_ - dim.asc && y <= p.y_ + dim.des) {
LYXERR(Debug::DEBUG, "Hit inset: " << inset);
- return inset;
+ return const_cast<InsetList::InsetTable *>(&(*iit));
}
}
}
+//takes screen x,y coordinates
+Inset * TextMetrics::checkInsetHit(int x, int y)
+{
+ pit_type const pit = getPitNearY(y);
+ LASSERT(pit != -1, return 0);
+ InsetList::InsetTable * it = checkInsetHit(pit, x, y);
+
+ if (!it)
+ return 0;
+
+ return it->inset;
+}
+
+
int TextMetrics::cursorX(CursorSlice const & sl,
bool boundary) const
{
- LASSERT(sl.text() == text_, /**/);
+ LASSERT(sl.text() == text_, return 0);
pit_type const pit = sl.pit();
+ pos_type ppos = sl.pos();
+
Paragraph const & par = text_->paragraphs()[pit];
ParagraphMetrics const & pm = par_metrics_[pit];
if (pm.rows().empty())
return 0;
+ Row const & row = pm.getRow(sl.pos(), boundary);
+
+ double x = row.x;
+
+ /**
+ * When boundary is true, position is on the row element (pos, endpos)
+ * if
+ * pos < ppos <= endpos
+ * whereas, when boundary is false, the test is
+ * pos <= ppos < endpos
+ * The correction below allows to handle both cases.
+ */
+ int const boundary_corr = (boundary && ppos) ? -1 : 0;
+
+ if (row.empty()
+ || (row.begin()->font.isRightToLeft()
+ && ppos == row.begin()->endpos))
+ return int(x);
+
+ Row::const_iterator cit = row.begin();
+ for ( ; cit != row.end() ; ++cit) {
+ // lyxerr << "ppos=" << ppos << "(" << boundary_corr << ")"
+ // << ", x=" << x << " " << *cit << endl;
+ // lyxerr << "test1=" << (ppos + boundary_corr >= cit->pos)
+ // << " test2=" << ( ppos + boundary_corr < best->endpos) <<endl;
+ if (ppos + boundary_corr >= cit->pos
+ && ppos + boundary_corr < cit->endpos) {
+ x += cit->pos2x(ppos);
+ break;
+ }
+ x += cit->width();
+ }
+
+ if (cit == row.end()
+ && (row.back().font.isRightToLeft() || ppos != row.back().endpos))
+ lyxerr << "NOT FOUND!"
+ << "ppos=" << ppos << "(" << boundary_corr << ")" << "\n"
+ << row;
- pos_type ppos = sl.pos();
// Correct position in front of big insets
bool const boundary_correction = ppos != 0 && boundary;
if (boundary_correction)
--ppos;
- Row const & row = pm.getRow(sl.pos(), boundary);
-
pos_type cursor_vpos = 0;
Buffer const & buffer = bv_->buffer();
- double x = row.x;
+ double x2 = row.x;
Bidi bidi;
bidi.computeTables(par, buffer, row);
else if (ppos >= 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);
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));
+ x2 += 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) {
font = displayFont(pit, row_pos + 1);
docstring const & completion = bv_->inlineCompletion();
if (font.isRightToLeft() && completion.length() > 0)
- x += theFontMetrics(font.fontInfo()).width(completion);
+ x2 += theFontMetrics(font.fontInfo()).width(completion);
}
for (pos_type vpos = row_pos; vpos < cursor_vpos; ++vpos) {
if (body_pos > 0 && pos == body_pos - 1) {
FontMetrics const & labelfm = theFontMetrics(
text_->labelFont(par));
- x += row.label_hfill + labelfm.width(par.layout().labelsep);
+ x2 += row.label_hfill + labelfm.width(par.layout().labelsep);
if (par.isLineSeparator(body_pos - 1))
- x -= singleWidth(pit, body_pos - 1);
+ x2 -= singleWidth(pit, body_pos - 1);
}
// Use font span to speed things up, see above
font = displayFont(pit, pos);
}
- x += pm.singleWidth(pos, font);
+ x2 += pm.singleWidth(pos, font);
// Inline completion RTL case:
// "a__|b", __ of b => non-boundary a-pos is right of __
font = displayFont(pit, vpos + 1);
docstring const & completion = bv_->inlineCompletion();
if (font.isRightToLeft() && completion.length() > 0)
- x += theFontMetrics(font.fontInfo()).width(completion);
+ x2 += theFontMetrics(font.fontInfo()).width(completion);
}
// Inline completion LTR case:
font = displayFont(pit, vpos);
docstring const & completion = bv_->inlineCompletion();
if (!font.isRightToLeft() && completion.length() > 0)
- x += theFontMetrics(font.fontInfo()).width(completion);
+ x2 += theFontMetrics(font.fontInfo()).width(completion);
}
if (par.isSeparator(pos) && pos >= body_pos)
- x += row.separator;
+ x2 += row.separator;
}
// see correction above
if (boundary_correction) {
if (isRTL(sl, boundary))
- x -= singleWidth(pit, ppos);
+ x2 -= singleWidth(pit, ppos);
+ else
+ x2 += singleWidth(pit, ppos);
+ }
+
+ if (x2 != x) {
+ lyxerr << "cursorX: x2=" << x2 << ", x=" << x;
+ if (cit == row.end())
+ lyxerr << "Element not found for "
+ << ppos - boundary_corr << "(" << boundary_corr << ")";
else
- x += singleWidth(pit, ppos);
+ lyxerr << " in [" << cit->pos << "/"
+ << ppos - boundary_corr << "(" << boundary_corr << ")"
+ << "/" << cit->endpos << "] of " << *cit << "\n";
+ lyxerr << row <<endl;
}
+
return int(x);
}
bool TextMetrics::cursorHome(Cursor & cur)
{
- LASSERT(text_ == cur.text(), /**/);
+ LASSERT(text_ == cur.text(), return false);
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)
{
- LASSERT(text_ == cur.text(), /**/);
+ LASSERT(text_ == cur.text(), return false);
// 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)
{
- LASSERT(text_ == cur.text(), /**/);
+ LASSERT(text_ == cur.text(), return);
if (cur.lastpos() == 0) {
// Paragraph is empty, so we just go forward
text_->cursorForward(cur);
int TextMetrics::leftMargin(int max_width, pit_type pit) const
{
- LASSERT(pit >= 0, /**/);
- LASSERT(pit < int(text_->paragraphs().size()), /**/);
return leftMargin(max_width, pit, text_->paragraphs()[pit].size());
}
{
ParagraphList const & pars = text_->paragraphs();
- LASSERT(pit >= 0, /**/);
- LASSERT(pit < int(pars.size()), /**/);
+ LASSERT(pit >= 0, return 0);
+ LASSERT(pit < int(pars.size()), return 0);
Paragraph const & par = pars[pit];
- LASSERT(pos >= 0, /**/);
- LASSERT(pos <= par.size(), /**/);
+ LASSERT(pos >= 0, return 0);
+ LASSERT(pos <= par.size(), return 0);
Buffer const & buffer = bv_->buffer();
//lyxerr << "TextMetrics::leftMargin: pit: " << pit << " pos: " << pos << endl;
DocumentClass const & tclass = buffer.params().documentClass();
if (newpar != pit_type(pars.size())) {
if (pars[newpar].layout().isEnvironment()) {
l_margin = leftMargin(max_width, newpar);
+ // Remove the parindent that has been added
+ // if the paragraph was empty.
+ if (pars[newpar].empty()) {
+ docstring pi = pars[newpar].layout().parindent;
+ l_margin -= theFontMetrics(
+ buffer.params().getFont()).signedWidth(pi);
+ }
}
if (tclass.isDefaultLayout(par.layout())
|| tclass.isPlainLayout(par.layout())) {
}
}
- // This happens after sections in standard classes. The 1.3.x
- // code compared depths too, but it does not seem necessary
- // (JMarc)
- if (tclass.isDefaultLayout(par.layout())
- && pit > 0 && pars[pit - 1].layout().nextnoindent)
- parindent.erase();
+ // This happens after sections or environments in standard classes.
+ // We have to check the previous layout at same depth.
+ if (tclass.isDefaultLayout(par.layout()) && pit > 0
+ && pars[pit - 1].getDepth() >= par.getDepth()) {
+ pit_type prev = text_->depthHook(pit, par.getDepth());
+ if (pars[prev < pit ? prev : pit - 1].layout().nextnoindent)
+ parindent.erase();
+ }
FontInfo const labelfont = text_->labelFont(par);
FontMetrics const & labelfont_metrics = theFontMetrics(labelfont);
&& layout.latextype == LATEX_ENVIRONMENT
&& !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) {
+ } else if (!layout.labelIsAbove()) {
l_margin += labelfont_metrics.signedWidth(layout.labelindent);
l_margin += labelfont_metrics.width(layout.labelsep);
l_margin += labelfont_metrics.width(par.labelString());
case MARGIN_RIGHT_ADDRESS_BOX: {
#if 0
- // ok, a terrible hack. The left margin depends on the widest
- // row in this paragraph.
- RowList::iterator rit = par.rows().begin();
- RowList::iterator end = par.rows().end();
- // FIXME: This is wrong.
+ // The left margin depends on the widest row in this paragraph.
+ // This code is wrong because it depends on the rows, but at the
+ // same time this function is used in redoParagraph to construct
+ // the rows.
+ ParagraphMetrics const & pm = par_metrics_[pit];
+ RowList::const_iterator rit = pm.rows().begin();
+ RowList::const_iterator end = pm.rows().end();
int minfill = max_width;
for ( ; rit != end; ++rit)
if (rit->fill() < minfill)
minfill = rit->fill();
- l_margin += theFontMetrics(params.getFont()).signedWidth(layout.leftmargin);
+ l_margin += theFontMetrics(buffer.params().getFont()).signedWidth(layout.leftmargin);
l_margin += minfill;
#endif
// also wrong, but much shorter.
// 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
- && !text_->isFirstInSequence(pit)))
- && align == LYX_ALIGN_BLOCK
+ || layout.labeltype == LABEL_ABOVE
+ || layout.labeltype == LABEL_CENTERED
+ || (layout.labeltype == LABEL_STATIC
+ && layout.latextype == LATEX_ENVIRONMENT
+ && !text_->isFirstInSequence(pit)))
+ && (align == LYX_ALIGN_BLOCK || align == LYX_ALIGN_LEFT)
&& !par.params().noindent()
// in some insets, paragraphs are never indented
&& !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.isPlainLayout(par.layout()))
- || buffer.params().paragraph_separation == BufferParams::ParagraphIndentSeparation)
- )
- {
- // use the parindent of the layout when the default indentation is used
- // otherwise use the indentation set in the document settings
+ && par.isInset(pos)
+ && par.getInset(pos)->display())
+ && (!(tclass.isDefaultLayout(par.layout())
+ || tclass.isPlainLayout(par.layout()))
+ || buffer.params().paragraph_separation
+ == BufferParams::ParagraphIndentSeparation)) {
+ // 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);
+ l_margin += theFontMetrics(
+ buffer.params().getFont()).signedWidth(parindent);
else
l_margin += buffer.params().getIndentation().inPixels(*bv_);
}
-
+
return l_margin;
}
// This is our text.
&& cur.text() == text_
// if the anchor is outside, this is not our selection
- && cur.anchor().text() == text_
+ && 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()) {
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()) {
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);
}
-
- if (row.selection())
- drawRowSelection(pi, x, row, cur, pit);
// Instrumentation for testing row cache (see also
// 12 lines lower):
// 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,
- 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();
-
- DocIterator cur = beg;
- 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() ? bv_->rightMargin() : 0;
- int const lm = text_->isMainText() ? bv_->leftMargin() : 0;
-
- // draw the margins
- if (row.begin_margin_sel) {
- if (text_->isRTL(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 (row.end_margin_sel) {
- if (text_->isRTL(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 (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,
Dimension & dim) const
{
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);
+ Row row;
+ row.pos(wordStart.pos());
+ row.endpos(bvcur.pos());
+ setRowHeight(row, bvcur.pit(), false);
+ dim = row.dimension();
dim.wid = abs(rxy.x_ - lxy.x_);
// calculate position of word