* Full author contact details are available in file CREDITS.
*/
-//#define KEEP_OLD_METRICS_CODE 1
-
#include <config.h>
#include "TextMetrics.h"
-#ifdef KEEP_OLD_METRICS_CODE
-#include "Bidi.h"
-#endif
#include "Buffer.h"
#include "buffer_funcs.h"
#include "BufferParams.h"
#include "CutAndPaste.h"
#include "HSpace.h"
#include "InsetList.h"
+#include "Language.h"
#include "Layout.h"
#include "LyXRC.h"
#include "MetricsInfo.h"
#include "ParagraphParameters.h"
-#include "rowpainter.h"
+#include "RowPainter.h"
#include "Text.h"
#include "TextClass.h"
#include "VSpace.h"
namespace {
-int numberOfSeparators(Row const & row)
-{
- int n = 0;
- Row::const_iterator cit = row.begin();
- Row::const_iterator const end = row.end();
- for ( ; cit != end ; ++cit)
- if (cit->type == Row::SEPARATOR)
- ++n;
- return n;
-}
-
-
-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->type == Row::SEPARATOR)
- it->extra = w;
-}
-
int numberOfLabelHfills(Paragraph const & par, Row const & row)
{
return n;
}
-
-int numberOfHfills(Row const & row, pos_type const body_pos)
+// FIXME: this needs to be rewritten, probably by merging it into some
+// code that, besides counting, sets the active status of the space
+// inset in the row element.
+int numberOfHfills(Row const & row, ParagraphMetrics const & pm,
+ pos_type const body_pos)
{
int n = 0;
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())
+ && cit->inset && pm.hfillExpansion(row, cit->pos))
++n;
return n;
}
bool TextMetrics::isRTL(CursorSlice const & sl, bool boundary) const
{
- if (!lyxrc.rtl_support || !sl.text())
+ if (!sl.text())
return false;
int correction = 0;
bool TextMetrics::isRTLBoundary(pit_type pit, pos_type pos) const
{
// no RTL boundary at paragraph start
- if (!lyxrc.rtl_support || pos == 0)
+ if (pos == 0)
return false;
Font const & left_font = displayFont(pit, pos - 1);
bool TextMetrics::isRTLBoundary(pit_type pit, pos_type pos,
Font const & font) const
{
- if (!lyxrc.rtl_support
- // no RTL boundary at paragraph start
- || pos == 0
+ if (// 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))
// FED FED| FED )
if (startpos == pos && endpos == pos && endpos != par.size()
&& (par.isNewline(pos - 1)
+ || par.isEnvSeparator(pos - 1)
|| par.isLineSeparator(pos - 1)
|| par.isSeparator(pos - 1)))
return false;
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);
+ cur.recordUndo(pit, pit);
int const moveCursor = par.fixBiblio(buffer);
// redo insets
Font const bufferfont = buffer.params().getFont();
+ CoordCache::Insets & insetCache = bv_->coordCache().insets();
InsetList::const_iterator ii = par.insetList().begin();
InsetList::const_iterator iend = par.insetList().end();
for (; ii != iend; ++ii) {
MacroContext mc(&buffer, parPos);
MetricsInfo mi(bv_, font.fontInfo(), w, mc);
ii->inset->metrics(mi, dim);
- Dimension const old_dim = pm.insetDimension(ii->inset);
- if (old_dim != dim) {
- pm.setInsetDimension(ii->inset, dim);
+ if (!insetCache.has(ii->inset) || insetCache.dim(ii->inset) != dim) {
+ insetCache.add(ii->inset, dim);
changed = true;
}
}
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.
+ if (row_index || row.right_boundary() || row.endpos() < par.size())
+ // If there is more than one row or the row has been
+ // broken by a display inset or a newline, 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);
}
-int TextMetrics::getAlign(Paragraph const & par, pos_type const pos) const
+LyXAlignment TextMetrics::getAlign(Paragraph const & par, Row const & row) const
{
Layout const & layout = par.layout();
- int align;
+ LyXAlignment align;
if (par.params().align() == LYX_ALIGN_LAYOUT)
align = layout.align;
else
// handle alignment inside tabular cells
Inset const & owner = text_->inset();
+ bool forced_block = false;
switch (owner.contentAlignment()) {
+ case LYX_ALIGN_BLOCK:
+ // In general block align is the default state, but here it is
+ // an explicit choice. Therefore it should not be overridden
+ // later.
+ forced_block = true;
+ // fall through
case LYX_ALIGN_CENTER:
case LYX_ALIGN_LEFT:
case LYX_ALIGN_RIGHT:
}
// Display-style insets should always be on a centered row
- if (Inset const * inset = par.getInset(pos)) {
+ if (Inset const * inset = par.getInset(row.pos())) {
switch (inset->display()) {
case Inset::AlignLeft:
align = LYX_ALIGN_BLOCK;
}
}
- // Has the user requested we not justify stuff?
- if (!bv_->buffer().params().justification
- && align == LYX_ALIGN_BLOCK)
- align = LYX_ALIGN_LEFT;
+ if (align == LYX_ALIGN_BLOCK) {
+ // If this row has been broken abruptly by a display inset, or
+ // it is the end of the paragraph, or the user requested we
+ // not justify stuff, then don't stretch.
+ // A forced block alignment can only be overridden the 'no
+ // justification on screen' setting.
+ if (((row.right_boundary() || row.endpos() == par.size())
+ && !forced_block)
+ || !bv_->buffer().params().justification)
+ align = text_->isRTL(par) ? LYX_ALIGN_RIGHT : LYX_ALIGN_LEFT;
+ }
return align;
}
Paragraph const & par = text_->getPar(pit);
- double w = width - row.width();
+ int const w = width - row.right_margin - row.width();
// FIXME: put back this assertion when the crash on new doc is solved.
//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(par);
- if (is_rtl)
- row.x = rightMargin(pit);
- else
- row.x = leftMargin(max_width_, pit, row.pos());
-
// is there a manual margin with a manual label
Layout const & layout = par.layout();
row.label_hfill = labelFill(pit, row) / double(nlh);
}
- double hfill = 0;
// are there any hfills in the 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
- // if the row is already larger then the permitted width as then
- // we force the LEFT_ALIGN'edness!
- } else if (int(row.width()) < max_width_) {
- // is it block, flushleft or flushright?
- // set x how you need it
- int const align = getAlign(par, row.pos());
-
- switch (align) {
+ ParagraphMetrics & pm = par_metrics_[pit];
+ int nh = numberOfHfills(row, pm, par.beginOfBody());
+ int hfill = 0;
+ int hfill_rem = 0;
+
+ // We don't have to look at the alignment if the row is already
+ // larger then the permitted width as then we force the
+ // LEFT_ALIGN'edness!
+ if (int(row.width()) >= max_width_)
+ return;
+
+ if (nh == 0) {
+ // Common case : there is no hfill, and the alignment will be
+ // meaningful
+ switch (getAlign(par, row)) {
case LYX_ALIGN_BLOCK: {
- int const ns = numberOfSeparators(row);
- /** If we have separators, and this row has
- * not be broken abruptly by a display inset
- * or newline, then stretch it */
- if (ns && !row.right_boundary()
- && row.endpos() != par.size()) {
- setSeparatorWidth(row, w / ns);
- row.dimension().wid = width;
- //lyxerr << "row.separator " << row.separator << endl;
- //lyxerr << "ns " << ns << endl;
- } else if (is_rtl) {
- row.dimension().wid = width;
- row.x += w;
+ int const ns = row.countSeparators();
+ // If we have separators, then stretch the row
+ if (ns) {
+ row.setSeparatorExtraWidth(double(w) / ns);
+ row.dimension().wid += w;
+ } else if (text_->isRTL(par)) {
+ row.left_margin += w;
+ row.dimension().wid += w;
}
break;
}
case LYX_ALIGN_RIGHT:
- row.dimension().wid = width;
- row.x += w;
+ row.left_margin += w;
+ row.dimension().wid += w;
break;
case LYX_ALIGN_CENTER:
row.dimension().wid += w / 2;
- row.x += w / 2;
+ row.left_margin += w / 2;
+ break;
+ case LYX_ALIGN_LEFT:
+ case LYX_ALIGN_NONE:
+ case LYX_ALIGN_LAYOUT:
+ case LYX_ALIGN_SPECIAL:
+ case LYX_ALIGN_DECIMAL:
break;
}
+ return;
}
-#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))) {
- row.x += theFontMetrics(text_->labelFont(par)).
- width(layout.labelsep);
- if (body_pos <= end)
- row.x += row.label_hfill;
- }
- }
-#endif
-
+ hfill = w / nh;
+ hfill_rem = w % nh;
+ row.dimension().wid += w;
+ // Set size of hfill insets
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 = 0;
- ParagraphMetrics & pm = par_metrics_[pit];
+ CoordCache::Insets & insetCache = bv_->coordCache().insets();
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::SPACE)
- cit->dim.wid -= row.label_hfill * (nlh - 1);
- if (!cit->inset || !cit->inset->isHfill())
- continue;
- if (pm.hfillExpansion(row, cit->pos))
- cit->dim.wid = int(cit->pos >= body_pos ?
- max(hfill, 5.0) : row.label_hfill);
- else
- cit->dim.wid = 5;
- // Cache the inset dimension.
- bv_->coordCache().insets().add(cit->inset, cit->dim);
- pm.setInsetDimension(cit->inset, cit->dim);
+ cit->dim.wid -= int(row.label_hfill * (nlh - 1));
+ if (cit->inset && pm.hfillExpansion(row, cit->pos)) {
+ if (cit->pos >= body_pos) {
+ cit->dim.wid += hfill;
+ --nh;
+ if (nh == 0)
+ cit->dim.wid += hfill_rem;
+ } else
+ cit->dim.wid += int(row.label_hfill);
+ // Cache the inset dimension.
+ insetCache.add(cit->inset, cit->dim);
+ }
}
}
int TextMetrics::labelFill(pit_type const pit, Row const & row) const
{
Paragraph const & par = text_->getPar(pit);
- LBUFERR(par.beginOfBody() > 0);
+ LBUFERR(par.beginOfBody() > 0 || par.isEnvSeparator(0));
int w = 0;
Row::const_iterator cit = row.begin();
// iterate over elements before main body (except the last one,
// which is extra space).
while (cit!= end && cit->endpos < par.beginOfBody()) {
- w += cit->width();
+ w += cit->dim.wid;
++cit;
}
/** This is the function where the hard work is done. The code here is
* very sensitive to small changes :) Note that part of the
- * intelligence is also in Row::shorten_if_needed
+ * intelligence is also in Row::shortenIfNeeded.
*/
void TextMetrics::breakRow(Row & row, int const right_margin, pit_type const pit) const
{
Paragraph const & par = text_->getPar(pit);
pos_type const end = par.size();
pos_type const pos = row.pos();
- int const width = max_width_ - right_margin;
pos_type const body_pos = par.beginOfBody();
+ bool const is_rtl = text_->isRTL(par);
+
row.clear();
- row.dimension().wid = leftMargin(max_width_, pit, pos);
- row.x = row.width();
+ row.left_margin = leftMargin(max_width_, pit, pos);
row.right_margin = right_margin;
+ if (is_rtl)
+ swap(row.left_margin, row.right_margin);
+ // Remember that the row width takes into account the left_margin
+ // but not the right_margin.
+ row.dimension().wid = row.left_margin;
+ // the width available for the row.
+ int const width = max_width_ - row.right_margin;
if (pos >= end || row.width() > width) {
- row.dimension().wid += right_margin;
row.endpos(end);
return;
}
- ParagraphMetrics const & pm = par_metrics_[pit];
ParagraphList const & pars = text_->paragraphs();
#if 0
#endif
// 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;
- }
+ DocIterator const & ic_it = bv_->inlineCompletionPos();
+ pos_type ic_pos = -1;
+ if (ic_it.inTexted() && ic_it.text() == text_ && ic_it.pit() == pit)
+ ic_pos = ic_it.pos();
// Now we iterate through until we reach the right margin
// or the end of the par, then build a representation of the row.
pos_type i = pos;
FontIterator fi = FontIterator(*this, par, pit, pos);
- while (i < end && row.width() < width) {
+ 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);
+ Dimension dim = bv_->coordCache().insets().dim(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 == ' ' && i + 1 == body_pos) {
+ // There is a space at i, but it should not be
+ // added as a separator, because it is just
+ // before body_pos. Instead, insert some spacing to
+ // align text
+ FontMetrics const & fm = theFontMetrics(text_->labelFont(par));
+ // this is needed to make sure that the row width is correct
+ row.finalizeLast();
+ int const add = max(fm.width(par.layout().labelsep),
+ labelEnd(pit) - row.width());
+ row.addSpace(i, add, *fi, par.lookupChange(i));
} else if (c == '\t')
row.addSpace(i, theFontMetrics(*fi).width(from_ascii(" ")),
*fi, par.lookupChange(i));
- else
+ else {
+ // FIXME: please someone fix the Hebrew/Arabic parenthesis mess!
+ // see also Paragraph::getUChar.
+ if (fi->language()->lang() == "hebrew") {
+ if (c == '(')
+ c = ')';
+ else if (c == ')')
+ c = '(';
+ }
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.addVirtual(i + 1, docstring(1, char_type(0x00B6)), f, Change());
}
// add inline completion width
- if (inlineCompletionLPos == i &&
- !bv_->inlineCompletion().empty()) {
+ // draw logically behind the previous character
+ if (ic_pos == i + 1 && !bv_->inlineCompletion().empty()) {
+ docstring const comp = bv_->inlineCompletion();
+ size_t const uniqueTo =bv_->inlineCompletionUniqueChars();
Font f = *fi;
- f.fontInfo().setColor(Color_inlinecompletion);
- row.addVirtual(i + 1, bv_->inlineCompletion(),
- f, Change());
+
+ if (uniqueTo > 0) {
+ f.fontInfo().setColor(Color_inlinecompletion);
+ row.addVirtual(i + 1, comp.substr(0, uniqueTo), f, Change());
+ }
+ f.fontInfo().setColor(Color_nonunique_inlinecompletion);
+ row.addVirtual(i + 1, comp.substr(uniqueTo), f, Change());
}
// Handle some situations that abruptly terminate the row
// - Before a display inset
// - After a display inset
Inset const * inset = 0;
- if (par.isNewline(i)
+ if (par.isNewline(i) || par.isEnvSeparator(i)
|| (i + 1 < end && (inset = par.getInset(i + 1))
&& inset->display())
|| (!row.empty() && row.back().inset
++i;
++fi;
-
- // 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().type == Row::SEPARATOR) {
- 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));
- }
-
}
-
row.finalizeLast();
row.endpos(i);
- // if the row is too large, try to cut at last separator.
- row.shorten_if_needed(body_pos, width);
- // if the row ends with a separator that is not at end of
- // paragraph, remove it
- if (!row.empty() && row.back().type == Row::SEPARATOR
- && row.endpos() < par.size())
- row.pop_back();
+ // End of paragraph marker
+ if (lyxrc.paragraph_markers
+ && i == end && size_type(pit + 1) < pars.size()) {
+ // add a virtual element for the end-of-paragraph
+ // marker; it is shown on screen, but does not exist
+ // in the paragraph.
+ Font f(text_->layoutFont(pit));
+ f.fontInfo().setColor(Color_paragraphmarker);
+ BufferParams const & bparams
+ = text_->inset().buffer().params();
+ f.setLanguage(par.getParLanguage(bparams));
+ row.addVirtual(end, docstring(1, char_type(0x00B6)), f, Change());
+ }
+
+ // if the row is too large, try to cut at last separator.
+ row.shortenIfNeeded(body_pos, width);
// make sure that the RTL elements are in reverse ordering
- row.reverseRTL(text_->isRTL(par));
-
- row.dimension().wid += right_margin;
+ row.reverseRTL(is_rtl);
+ //LYXERR0("breakrow: row is " << row);
}
int maxdesc = int(fontmetrics.maxDescent() * spacing_val);
// insets may be taller
- ParagraphMetrics const & pm = par_metrics_[pit];
+ CoordCache::Insets const & insetCache = bv_->coordCache().getInsets();
Row::const_iterator cit = row.begin();
Row::const_iterator cend = row.end();
for ( ; cit != cend; ++cit) {
if (cit->inset) {
- Dimension const & dim = pm.insetDimension(cit->inset);
+ Dimension const & dim = insetCache.dim(cit->inset);
maxasc = max(maxasc, dim.ascent());
maxdesc = max(maxdesc, dim.descent());
}
// x is an absolute screen coord
// returns the column near the specified x-coordinate of the row
// x is set to the real beginning of this column
-pos_type TextMetrics::getColumnNearX(pit_type const pit,
- Row const & row, int & x, bool & boundary) const
+pos_type TextMetrics::getPosNearX(Row const & row, int & x,
+ bool & boundary) const
{
-
+ //LYXERR0("getPosNearX(" << x << ") row=" << row);
/// For the main Text, it is possible that this pit is not
/// yet in the CoordCache when moving cursor up.
/// x Paragraph coordinate is always 0 for main text anyway.
int const xo = origin_.x_;
x -= xo;
-#ifdef KEEP_OLD_METRICS_CODE
- int const x_orig = x;
-#endif
pos_type pos = row.pos();
boundary = false;
- if (row.x >= x || row.empty())
- x = row.x;
- else if (x >= row.width() - row.right_margin) {
- x = row.width() - row.right_margin;
- pos = row.back().endpos;
+ if (row.empty())
+ x = row.left_margin;
+ else if (x <= row.left_margin) {
+ pos = row.front().left_pos();
+ x = row.left_margin;
+ } else if (x >= row.width()) {
+ pos = row.back().right_pos();
+ x = row.width();
} else {
- double w = row.x;
+ double w = row.left_margin;
Row::const_iterator cit = row.begin();
Row::const_iterator cend = row.end();
for ( ; cit != cend; ++cit) {
- if (w <= x && w + cit->width() > x) {
- double x_offset = x - w;
+ if (w <= x && w + cit->full_width() > x) {
+ int x_offset = int(x - w);
pos = cit->x2pos(x_offset);
- x = x_offset + w;
+ x = int(x_offset + w);
break;
}
- w += cit->width();
+ w += cit->full_width();
+ }
+ if (cit == row.end()) {
+ pos = row.back().right_pos();
+ x = row.width();
}
- if (cit == row.end())
- lyxerr << "NOT FOUND!! x=" << x
- << ", wid=" << row.width() << endl;
/** This tests for the case where the cursor is placed
* just before a font direction change. See comment on
* the boundary_ member in DocIterator.h to understand
- * how bounddary helps here.
+ * how boundary helps here.
*/
else if (pos == cit->endpos
&& cit + 1 != row.end()
- && cit->font.isVisibleRightToLeft() != (cit + 1)->font.isVisibleRightToLeft())
+ && cit->isRTL() != (cit + 1)->isRTL())
boundary = true;
}
/** This tests for the case where the cursor is set at the end
- * of a row which has been broken due to a display inset on
- * next row. This is indicated by Row::right_boundary.
+ * of a row which has been broken due something else than a
+ * separator (a display inset or a forced breaking of the
+ * row). We know that there is a separator when the end of the
+ * row is larger than the end of its last element.
*/
if (!row.empty() && pos == row.back().endpos
&& row.back().endpos == row.endpos())
- boundary = row.right_boundary();
+ boundary = true;
x += xo;
-#if !defined(KEEP_OLD_METRICS_CODE)
- return pos - row.pos();
-#else
- Buffer const & buffer = bv_->buffer();
-
- int x2 = x_orig;
- Paragraph const & par = text_->getPar(pit);
- Bidi bidi;
- bidi.computeTables(par, buffer, row);
-
- pos_type vc = row.pos();
- pos_type const end = row.endpos();
- pos_type c = 0;
- Layout const & layout = par.layout();
-
- bool left_side = false;
-
- pos_type body_pos = par.beginOfBody();
-
- double tmpx = row.x;
- double last_tmpx = tmpx;
-
- if (body_pos > 0 &&
- (body_pos > end || !par.isLineSeparator(body_pos - 1)))
- body_pos = 0;
-
- // check for empty row
- if (vc == end) {
- x2 = int(tmpx) + xo;
- 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 <= x2) {
- c = bidi.vis2log(vc);
- last_tmpx = tmpx;
- if (body_pos > 0 && c == body_pos - 1) {
- FontMetrics const & fm = theFontMetrics(
- text_->labelFont(par));
- tmpx += row.label_hfill + fm.width(layout.labelsep);
- if (par.isLineSeparator(body_pos - 1))
- tmpx -= singleWidth(pit, body_pos - 1);
- }
-
- tmpx += singleWidth(pit, c);
- if (par.isSeparator(c) && c >= body_pos)
- tmpx += row.separator;
- ++vc;
- }
-
- if ((tmpx + last_tmpx) / 2 > x2) {
- tmpx = last_tmpx;
- left_side = true;
- }
-
- // This shouldn't happen. But we can reset and try to continue.
- LASSERT(vc <= end, vc = end);
-
- bool boundary2 = false;
-
- if (lastrow &&
- ((rtl_on_lastrow && left_side && vc == row.pos() && x2 < tmpx - 5) ||
- (!rtl_on_lastrow && !left_side && vc == end && x2 > tmpx + 5))) {
- if (!par.isNewline(end - 1))
- c = end;
- } else if (vc == row.pos()) {
- c = bidi.vis2log(vc);
- if (bidi.level(c) % 2 == 1)
- ++c;
- } else {
- c = bidi.vis2log(vc - 1);
- bool const rtl = (bidi.level(c) % 2 == 1);
- if (left_side == rtl) {
- ++c;
- boundary2 = isRTLBoundary(pit, c);
- }
- }
-
-// I believe this code is not needed anymore (Jug 20050717)
-#if 0
- // The following code is necessary because the cursor position past
- // the last char in a row is logically equivalent to that before
- // the first char in the next row. That's why insets causing row
- // divisions -- Newline and display-style insets -- must be treated
- // specially, so cursor up/down doesn't get stuck in an air gap -- MV
- // Newline inset, air gap below:
- if (row.pos() < end && c >= end && par.isNewline(end - 1)) {
- if (bidi.level(end -1) % 2 == 0)
- tmpx -= singleWidth(pit, end - 1);
- else
- tmpx += singleWidth(pit, end - 1);
- c = end - 1;
- }
-
- // Air gap above display inset:
- if (row.pos() < end && c >= end && end < par.size()
- && par.isInset(end) && par.getInset(end)->display()) {
- c = end - 1;
- }
- // Air gap below display inset:
- if (row.pos() < end && c >= end && par.isInset(end - 1)
- && par.getInset(end - 1)->display()) {
- c = end - 1;
- }
-#endif
-
- x2 = int(tmpx) + xo;
- pos_type const col = c - row.pos();
-
- if (abs(x2 - x) > 0.1 || boundary != boundary
- || c != pos) {
- lyxerr << "getColumnNearX: new=(x=" << x - xo << ", b=" << boundary << ", p=" << pos << "), "
- << "old=(x=" << x2 - xo << ", b=" << boundary2 << ", p=" << c << "), " << row;
- }
-
- if (!c || end == par.size())
- return col;
-
- if (c==end && !par.isLineSeparator(c-1) && !par.isNewline(c-1)) {
- boundary2 = true;
- return col;
- }
-
- return min(col, end - 1 - row.pos());
-#endif
+ //LYXERR0("getPosNearX ==> pos=" << pos << ", boundary=" << boundary);
+ return pos;
}
LBUFERR(row < int(pm.rows().size()));
bool bound = false;
Row const & r = pm.rows()[row];
- return r.pos() + getColumnNearX(pit, r, x, bound);
+ return getPosNearX(r, x, bound);
}
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);
+ bool bound = false; // is modified by getPosNearX
+ int xx = x; // is modified by getPosNearX
+ cur.pos() = getPosNearX(row, xx, bound);
cur.boundary(bound);
cur.setCurrentFont();
cur.setTargetX(xx);
cur.setTargetX(x);
// Try to descend recursively inside the inset.
- inset = inset->editXY(cur, x, yy);
+ Inset * edited = inset->editXY(cur, x, yy);
+ if (edited == inset && cur.pos() == it->pos) {
+ // non-editable inset, set cursor after the inset if x is
+ // nearer to that position (bug 9628)
+ CoordCache::Insets const & insetCache = bv_->coordCache().getInsets();
+ Dimension const & dim = insetCache.dim(inset);
+ Point p = insetCache.xy(inset);
+ bool const is_rtl = text_->isRTL(text_->getPar(pit));
+ if (is_rtl) {
+ // "in front of" == "right of"
+ if (abs(p.x_ - x) < abs(p.x_ + dim.wid - x))
+ cur.posForward();
+ } else {
+ // "in front of" == "left of"
+ if (abs(p.x_ + dim.wid - x) < abs(p.x_ - x))
+ cur.posForward();
+ }
+ }
if (cur.top().text() == text_)
cur.setCurrentFont();
- return inset;
+ return edited;
}
bool bound = false;
int xx = x;
- pos_type const pos = row.pos() + getColumnNearX(pit, row, xx, bound);
+ pos_type const pos = getPosNearX(row, xx, bound);
LYXERR(Debug::DEBUG, "setting cursor pit: " << pit << " pos: " << pos);
InsetList::InsetTable * TextMetrics::checkInsetHit(pit_type pit, int x, int y)
{
Paragraph const & par = text_->paragraphs()[pit];
- ParagraphMetrics const & pm = par_metrics_[pit];
+ CoordCache::Insets const & insetCache = bv_->coordCache().getInsets();
LYXERR(Debug::DEBUG, "x: " << x << " y: " << y << " pit: " << pit);
LYXERR(Debug::DEBUG, "examining inset " << inset);
- if (!bv_->coordCache().getInsets().has(inset)) {
+ if (!insetCache.has(inset)) {
LYXERR(Debug::DEBUG, "inset has no cached position");
return 0;
}
- Dimension const & dim = pm.insetDimension(inset);
- Point p = bv_->coordCache().getInsets().xy(inset);
+ Dimension const & dim = insetCache.dim(inset);
+ Point p = insetCache.xy(inset);
LYXERR(Debug::DEBUG, "xo: " << p.x_ << "..." << p.x_ + dim.wid
<< " yo: " << p.y_ - dim.asc << "..." << p.y_ + dim.des);
}
-int TextMetrics::cursorX(CursorSlice const & sl,
- bool boundary) const
+Row::const_iterator const
+TextMetrics::findRowElement(Row const & row, pos_type const pos,
+ bool const boundary, double & x) const
{
- LASSERT(sl.text() == text_, return 0);
- pit_type const pit = sl.pit();
- pos_type pos = sl.pos();
-
- 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)
+ * When boundary is true, position i is in the row element (pos, endpos)
* if
- * pos < pos <= endpos
+ * pos < i <= endpos
* whereas, when boundary is false, the test is
- * pos <= pos < endpos
+ * pos <= i < endpos
* The correction below allows to handle both cases.
*/
int const boundary_corr = (boundary && pos) ? -1 : 0;
+ x = row.left_margin;
+
+ /** Early return in trivial cases
+ * 1) the row is empty
+ * 2) the position is the left-most position of the row; there
+ * is a quirk here however: if the first element is virtual
+ * (end-of-par marker for example), then we have to look
+ * closer
+ */
if (row.empty()
- || (row.begin()->font.isRightToLeft()
- && pos == row.begin()->endpos))
- return int(x);
+ || (pos == row.begin()->left_pos() && !boundary
+ && !row.begin()->isVirtual()))
+ return row.begin();
Row::const_iterator cit = row.begin();
for ( ; cit != row.end() ; ++cit) {
+ /** Look whether the cursor is inside the element's
+ * span. Note that it is necessary to take the
+ * boundary into account, and to accept virtual
+ * elements, which have pos == endpos.
+ */
if (pos + boundary_corr >= cit->pos
- && pos + boundary_corr < cit->endpos) {
+ && (pos + boundary_corr < cit->endpos || cit->isVirtual())) {
x += cit->pos2x(pos);
break;
}
- x += cit->width();
+ x += cit->full_width();
}
- if (cit == row.end()
- && (row.back().font.isRightToLeft() || pos != row.back().endpos))
- lyxerr << "NOT FOUND!"
- << "pos=" << pos << "(" << boundary_corr << ")" << "\n"
- << row;
-
-#ifdef KEEP_OLD_METRICS_CODE
- Paragraph const & par = text_->paragraphs()[pit];
-
- // Correct position in front of big insets
- bool const boundary_correction = pos != 0 && boundary;
- if (boundary_correction)
- --pos;
-
- pos_type cursor_vpos = 0;
+ if (cit == row.end())
+ --cit;
- Buffer const & buffer = bv_->buffer();
- double x2 = row.x;
- Bidi bidi;
- bidi.computeTables(par, buffer, row);
-
- 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
- // cursor positioning. However, they may appear visually in the middle
- // of a row; they must be skipped, wherever they are...
- // * logically "abc_[HEBREW_\nHEBREW]"
- // * visually "abc_[_WERBEH\nWERBEH]"
- pos_type skipped_sep_vpos = -1;
-
- if (end <= row_pos)
- cursor_vpos = row_pos;
- else if (pos >= end)
- cursor_vpos = text_->isRTL(par) ? row_pos : end;
- else if (pos > row_pos && pos >= 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(pos - 1) % 2 == 0)
- ? bidi.log2vis(pos - 1) + 1 : bidi.log2vis(pos - 1);
- else
- // Place cursor before char at (logical) position pos
- cursor_vpos = (bidi.level(pos) % 2 == 0)
- ? bidi.log2vis(pos) : bidi.log2vis(pos) + 1;
-
- pos_type body_pos = par.beginOfBody();
- if (body_pos > 0 &&
- (body_pos > end || !par.isLineSeparator(body_pos - 1)))
- body_pos = 0;
-
- // check for possible inline completion in this row
- DocIterator const & inlineCompletionPos = bv_->inlineCompletionPos();
- pos_type inlineCompletionVPos = -1;
- if (inlineCompletionPos.inTexted()
- && inlineCompletionPos.text() == text_
- && inlineCompletionPos.pit() == pit
- && inlineCompletionPos.pos() - 1 >= row_pos
- && inlineCompletionPos.pos() - 1 < end) {
- // draw logically behind the previous character
- inlineCompletionVPos = bidi.log2vis(inlineCompletionPos.pos() - 1);
- }
-
- // Use font span to speed things up, see below
- FontSpan font_span;
- Font font;
-
- // If the last logical character is a separator, skip it, unless
- // 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(text_->layoutFont(pit));
- 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)
- x2 += 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)
- continue;
- pos_type pos = bidi.vis2log(vpos);
- if (body_pos > 0 && pos == body_pos - 1) {
- FontMetrics const & labelfm = theFontMetrics(
- text_->labelFont(par));
- x2 += row.label_hfill + labelfm.width(par.layout().labelsep);
- if (par.isLineSeparator(body_pos - 1))
- x2 -= singleWidth(pit, body_pos - 1);
- }
-
- // Use font span to speed things up, see above
- if (pos < font_span.first || pos > font_span.last) {
- font_span = par.fontSpan(pos);
- font = displayFont(pit, pos);
- }
-
- x2 += pm.singleWidth(pos, font);
-
- // Inline completion RTL case:
- // "a__|b", __ of b => non-boundary a-pos is right of __
- 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)
- x2 += theFontMetrics(font.fontInfo()).width(completion);
- }
-
- // Inline completion LTR case:
- // "b|__a", __ of b => non-boundary a-pos is in front of __
- if (vpos == inlineCompletionVPos
- && (vpos + 1 < cursor_vpos || boundary_correction)) {
- font = displayFont(pit, vpos);
- docstring const & completion = bv_->inlineCompletion();
- if (!font.isRightToLeft() && completion.length() > 0)
- x2 += theFontMetrics(font.fontInfo()).width(completion);
- }
+ return cit;
+}
- if (par.isSeparator(pos) && pos >= body_pos)
- x2 += row.separator;
- }
- // see correction above
- if (boundary_correction) {
- if (isRTL(sl, boundary))
- x2 -= singleWidth(pit, pos);
- else
- x2 += singleWidth(pit, pos);
- }
+int TextMetrics::cursorX(CursorSlice const & sl,
+ bool boundary) const
+{
+ LASSERT(sl.text() == text_, return 0);
- if (abs(x2 - x) > 0.01) {
- lyxerr << "cursorX: x2=" << x2 << ", x=" << x;
- if (cit == row.end())
- lyxerr << "Element not found for "
- << pos - boundary_corr << "(" << boundary_corr << ")";
- else
- lyxerr << " in [" << cit->pos << "/"
- << pos - boundary_corr << "(" << boundary_corr << ")"
- << "/" << cit->endpos << "] of " << *cit << "\n";
- lyxerr << row <<endl;
- }
-#endif
+ ParagraphMetrics const & pm = par_metrics_[sl.pit()];
+ if (pm.rows().empty())
+ return 0;
+ Row const & row = pm.getRow(sl.pos(), boundary);
+ pos_type const pos = sl.pos();
+ double x = 0;
+ findRowElement(row, pos, boundary, x);
return int(x);
+
}
bool boundary = false;
if (end != cur.lastpos()) {
if (!cur.paragraph().isLineSeparator(end-1)
- && !cur.paragraph().isNewline(end-1))
+ && !cur.paragraph().isNewline(end-1)
+ && !cur.paragraph().isEnvSeparator(end-1))
boundary = true;
else
--end;
l_margin += theFontMetrics(buffer.params().getFont()).signedWidth(
tclass.leftmargin());
- if (par.getDepth() != 0) {
+ int depth = par.getDepth();
+ if (depth != 0) {
// find the next level paragraph
pit_type newpar = text_->outerHook(pit);
if (newpar != pit_type(pars.size())) {
if (pars[newpar].layout().isEnvironment()) {
- l_margin = leftMargin(max_width, newpar);
+ int nestmargin = depth * nestMargin();
+ if (text_->isMainText())
+ nestmargin += changebarMargin();
+ l_margin = max(leftMargin(max_width, newpar), nestmargin);
// Remove the parindent that has been added
// if the paragraph was empty.
- if (pars[newpar].empty()) {
+ if (pars[newpar].empty() &&
+ buffer.params().paragraph_separation ==
+ BufferParams::ParagraphIndentSeparation) {
docstring pi = pars[newpar].layout().parindent;
l_margin -= theFontMetrics(
buffer.params().getFont()).signedWidth(pi);
// 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()) {
+ if (buffer.params().paragraph_separation ==
+ BufferParams::ParagraphSkipSeparation)
+ parindent.erase();
+ else if (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)
+ if (par.layout() == pars[prev].layout()) {
+ if (prev != pit - 1
+ && pars[pit - 1].layout().nextnoindent)
+ parindent.erase();
+ } else if (pars[prev].layout().nextnoindent)
parindent.erase();
}
}
if (!par.params().leftIndent().zero())
- l_margin += par.params().leftIndent().inPixels(max_width);
+ l_margin += par.params().leftIndent().inPixels(max_width, labelfont_metrics.em());
LyXAlignment align;
}
-#ifdef KEEP_OLD_METRICS_CODE
-int TextMetrics::singleWidth(pit_type pit, pos_type pos) const
-{
- ParagraphMetrics const & pm = par_metrics_[pit];
-
- return pm.singleWidth(pos, displayFont(pit, pos));
-}
-#endif
-
void TextMetrics::draw(PainterInfo & pi, int x, int y) const
{
if (par_metrics_.empty())
}
-void TextMetrics::drawParagraph(PainterInfo & pi, pit_type pit, int x, int y) const
+void TextMetrics::drawParagraph(PainterInfo & pi, pit_type const pit, int const x, int y) const
{
BufferParams const & bparams = bv_->buffer().params();
ParagraphMetrics const & pm = par_metrics_[pit];
for (size_t i = 0; i != nrows; ++i) {
Row const & row = pm.rows()[i];
+ int row_x = x;
if (i)
y += row.ascent();
+ CursorSlice rowSlice(const_cast<InsetText &>(text_->inset()));
+ rowSlice.pit() = pit;
+ rowSlice.pos() = row.pos();
+
bool const inside = (y + row.descent() >= 0
&& y - row.ascent() < ww);
+
+ // Adapt to cursor row scroll offset if applicable.
+ if (bv_->currentRowSlice() == rowSlice)
+ row_x -= bv_->horizScrollOffset();
+
// It is not needed to draw on screen if we are not inside.
pi.pain.setDrawingEnabled(inside && original_drawing_state);
- RowPainter rp(pi, *text_, pit, row, x, y);
+
+ RowPainter rp(pi, *text_, pit, row, row_x, y);
if (selection)
row.setSelectionAndMargins(sel_beg_par, sel_end_par);
}
// Row signature; has row changed since last paint?
- row.setCrc(pm.computeRowSignature(row, bparams));
- bool row_has_changed = row.changed();
+ if (pi.pain.isDrawingEnabled())
+ row.setCrc(pm.computeRowSignature(row, bparams));
+ bool row_has_changed = row.changed()
+ || rowSlice == bv_->lastRowSlice();
// Take this opportunity to spellcheck the row contents.
- if (row_has_changed && lyxrc.spellcheck_continuously) {
+ if (row_has_changed && pi.do_spellcheck && lyxrc.spellcheck_continuously) {
text_->getPar(pit).spellCheck();
}
// Clear background of this row if paragraph background was not
// already cleared because of a full repaint.
if (!pi.full_repaint && row_has_changed) {
- pi.pain.fillRectangle(x, y - row.ascent(),
+ LYXERR(Debug::PAINTING, "Clear rect@("
+ << max(row_x, 0) << ", " << y - row.ascent() << ")="
+ << width() << " x " << row.height());
+ pi.pain.fillRectangle(max(row_x, 0), y - row.ascent(),
width(), row.height(), pi.background_color);
}
LYXERR(Debug::PAINTING, foreword << "pit=" << pit << " row=" << i
<< " row_selection=" << row.selection()
<< " full_repaint=" << pi.full_repaint
- << " row_has_changed=" << row_has_changed);
+ << " row_has_changed=" << row_has_changed
+ << " drawingEnabled=" << pi.pain.isDrawingEnabled());
}
// Backup full_repaint status and force full repaint
rp.paintLast();
if (i == 0 && is_rtl)
rp.paintFirst();
+ rp.paintTooLargeMarks(row_x + row.left_x() < 0,
+ row_x + row.right_x() > bv_->workWidth());
y += row.descent();
// Restore full_repaint status.
//lyxerr << " wordstart=" << wordStart << " bvcur=" << bvcur << " cur=" << cur << std::endl;
}
-//int TextMetrics::pos2x(pit_type pit, pos_type pos) const
-//{
-// ParagraphMetrics const & pm = par_metrics_[pit];
-// Row const & r = pm.rows()[row];
-// int x = 0;
-// pos -= r.pos();
-//}
-
-
int defaultRowHeight()
{
return int(theFontMetrics(sane_font).maxHeight() * 1.2);
projects / lyx.git / blobdiff