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Remove debug code from TextMetrics

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After this, it is possible to remove one parameter to getPosNearX.
This commit is contained in:
Jean-Marc Lasgouttes 2014-05-02 15:55:10 +02:00
parent 7734270163
commit b0543270a9
4 changed files with 9 additions and 318 deletions
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2
src/Cursor.cpp
View File

@ -2090,7 +2090,7 @@ bool Cursor::upDownInText(bool up, bool & updateNeeded)
Row const & real_next_row = tm.parMetrics(pit()).rows()[next_row];
bool bound = false;
top().pos() = tm.getPosNearX(pit(), real_next_row, xo, bound);
top().pos() = tm.getPosNearX(real_next_row, xo, bound);
boundary(bound);
updateNeeded |= bv().checkDepm(*this, old);

316
src/TextMetrics.cpp
View File

@ -15,15 +15,10 @@
* 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"
@ -1104,17 +1099,14 @@ void TextMetrics::setRowHeight(Row & row, pit_type const pit,
// 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::getPosNearX(pit_type const pit,
Row const & row, int & x, bool & boundary) const
pos_type TextMetrics::getPosNearX(Row const & row, int & x,
bool & boundary) const
{
/// 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;
@ -1163,138 +1155,6 @@ pos_type TextMetrics::getPosNearX(pit_type const pit,
boundary = row.right_boundary();
x += xo;
#ifdef KEEP_OLD_METRICS_CODE
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 << "getPosNearX(" << x_orig << "): new=(x=" << x - xo << ", b=" << boundary << ", p=" << pos << "), "
<< "old=(x=" << x2 - xo << ", b=" << boundary2 << ", p=" << c << "), " << row;
}
#if 0
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 // 0
#endif // KEEP_OLD_METRICS_CODE
return pos;
}
@ -1310,7 +1170,7 @@ pos_type TextMetrics::x2pos(pit_type pit, int row, int x) const
LBUFERR(row < int(pm.rows().size()));
bool bound = false;
Row const & r = pm.rows()[row];
return getPosNearX(pit, r, x, bound);
return getPosNearX(r, x, bound);
}
@ -1472,7 +1332,7 @@ Inset * TextMetrics::editXY(Cursor & cur, int x, int y,
// No inset, set position in the text
bool bound = false; // is modified by getPosNearX
int xx = x; // is modified by getPosNearX
cur.pos() = getPosNearX(pit, row, xx, bound);
cur.pos() = getPosNearX(row, xx, bound);
cur.boundary(bound);
cur.setCurrentFont();
cur.setTargetX(xx);
@ -1523,7 +1383,7 @@ void TextMetrics::setCursorFromCoordinates(Cursor & cur, int const x, int const
bool bound = false;
int xx = x;
pos_type const pos = getPosNearX(pit, row, xx, bound);
pos_type const pos = getPosNearX(row, xx, bound);
LYXERR(Debug::DEBUG, "setting cursor pit: " << pit << " pos: " << pos);
@ -1635,154 +1495,6 @@ int TextMetrics::cursorX(CursorSlice const & sl,
x += cit->width();
}
#ifdef KEEP_OLD_METRICS_CODE
pit_type const pit = sl.pit();
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;
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);
}
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);
}
if (abs(x2 - x) > 0.01) {
lyxerr << "cursorX(" << pos - boundary_corr << ", " << boundary_corr
<< "): old=" << x2 << ", new=" << x;
if (cit == row.end())
lyxerr << "Element not found\n";
else
lyxerr << " found in " << *cit << "\n";
lyxerr << row <<endl;
}
#endif // KEEP_OLD_METRICS_CODE
return int(x);
}
@ -2066,15 +1778,6 @@ int TextMetrics::leftMargin(int max_width,
}
#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())
@ -2262,15 +1965,6 @@ void TextMetrics::completionPosAndDim(Cursor const & cur, int & x, int & y,
//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);

5
src/TextMetrics.h
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@ -105,8 +105,6 @@ public:
///
int maxWidth() const { return max_width_; }
///
int singleWidth(pit_type const pit, pos_type pos) const;
///
int rightMargin(ParagraphMetrics const & pm) const;
@ -152,8 +150,7 @@ public:
/// returns the position near the specified x-coordinate of the row.
/// x is an absolute screen coord, it is set to the real beginning
/// of this column.
pos_type getPosNearX(pit_type pit, Row const & row, int & x,
bool & boundary) const;
pos_type getPosNearX(Row const & row, int & x, bool & boundary) const;
/// returns pos in given par at given x coord.
pos_type x2pos(pit_type pit, int row, int x) const;

4
src/frontends/qt4/GuiWorkArea.cpp
View File

@ -998,11 +998,11 @@ void GuiWorkArea::generateSyntheticMouseEvent()
break;
yy += h;
}
// Find the position of the cursor
bool bound;
int x = d->synthetic_mouse_event_.cmd.x();
pos_type const pos = tm.getPosNearX(pit, *rit, x, bound);
pos_type const pos = tm.getPosNearX(*rit, x, bound);
// Set the cursor
cur.pit() = pit;