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* no_bidi_isboundary.patch: added isRTLBoundary as a replacement to several references to the Text::bidi object.

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(fixes #3790, #3801, #3809)


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@18704 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Stefan Schimanski 2007-06-07 19:50:02 +00:00
parent e91029ae51
commit ff8fcc268a
5 changed files with 52 additions and 13 deletions
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2
src/Text.cpp
View File

@ -1524,7 +1524,7 @@ void Text::drawRowSelection(PainterInfo & pi, int x, Row const & row,
// but for RTL boundaries don't, because: abc|DDEEFFghi -> abcDDEEF|Fghi
if (cur.boundary()) {
cur.boundary(false);
} else if (bidi.isBoundary(buffer, cur.paragraph(), cur.pos() + 1)) {
} else if (isRTLBoundary(buffer, cur.paragraph(), cur.pos() + 1)) {
// in front of RTL boundary -> Stay on this side of the boundary because:
// ab|cDDEEFFghi -> abc|DDEEFFghi
++cur.pos();

7
src/Text.h
View File

@ -335,6 +335,13 @@ public:
bool isRTL(Buffer const &, Paragraph const & par) const;
/// is this position in the paragraph right-to-left?
bool isRTL(Buffer const & buffer, CursorSlice const & sl, bool boundary) const;
/// is between pos-1 and pos an RTL<->LTR boundary?
bool isRTLBoundary(Buffer const & buffer, Paragraph const & par,
pos_type pos) const;
/// would be a RTL<->LTR boundary between pos and the given font?
bool isRTLBoundary(Buffer const & buffer, Paragraph const & par,
pos_type pos, Font const & font) const;
///
bool checkAndActivateInset(Cursor & cur, bool front);

6
src/Text2.cpp
View File

@ -795,7 +795,7 @@ void Text::setCurrentFont(Cursor & cur)
real_current_font = getFont(cur.buffer(), par, pos);
if (cur.pos() == cur.lastpos()
&& bidi.isBoundary(cur.buffer(), par, cur.pos())
&& isRTLBoundary(cur.buffer(), par, cur.pos())
&& !cur.boundary()) {
Language const * lang = par.getParLanguage(bufparams);
current_font.setLanguage(lang);
@ -1037,7 +1037,7 @@ bool Text::cursorRight(Cursor & cur)
// if left of boundary -> just jump to right side
// but for RTL boundaries don't, because: abc|DDEEFFghi -> abcDDEEF|Fghi
if (cur.boundary() &&
!bidi.isBoundary(cur.buffer(), cur.paragraph(), cur.pos()))
!isRTLBoundary(cur.buffer(), cur.paragraph(), cur.pos()))
return setCursor(cur, cur.pit(), cur.pos(), true, false);
// next position is left of boundary,
@ -1066,7 +1066,7 @@ bool Text::cursorRight(Cursor & cur)
// in front of RTL boundary? Stay on this side of the boundary because:
// ab|cDDEEFFghi -> abc|DDEEFFghi
if (bidi.isBoundary(cur.buffer(), cur.paragraph(), cur.pos() + 1))
if (isRTLBoundary(cur.buffer(), cur.paragraph(), cur.pos() + 1))
return setCursor(cur, cur.pit(), cur.pos() + 1, true, true);
// move right

48
src/Text3.cpp
View File

@ -99,7 +99,6 @@ namespace {
Font freefont(Font::ALL_IGNORE);
bool toggleall = false;
void toggleAndShow(Cursor & cur, Text * text,
Font const & font, bool toggleall = true)
{
@ -108,13 +107,10 @@ namespace {
if (font.language() != ignore_language ||
font.number() != Font::IGNORE) {
Paragraph & par = cur.paragraph();
text->bidi.computeTables(par, cur.buffer(), cur.textRow());
if (cur.boundary() !=
text->bidi.isBoundary(cur.buffer(), par,
cur.pos(),
text->real_current_font))
if (cur.boundary() != text->isRTLBoundary(cur.buffer(), par,
cur.pos(), text->real_current_font))
text->setCursor(cur, cur.pit(), cur.pos(),
false, !cur.boundary());
false, !cur.boundary());
}
}
@ -301,7 +297,7 @@ bool Text::isRTL(Buffer const & buffer, Paragraph const & par) const
bool Text::isRTL(Buffer const & buffer, CursorSlice const & sl, bool boundary) const
{
if (!sl.text())
if (!lyxrc.rtl_support && !sl.text())
return false;
int correction = 0;
@ -313,6 +309,42 @@ bool Text::isRTL(Buffer const & buffer, CursorSlice const & sl, bool boundary) c
}
bool Text::isRTLBoundary(Buffer const & buffer, Paragraph const & par,
pos_type pos) const
{
if (!lyxrc.rtl_support)
return false;
// no RTL boundary at line start
if (pos == 0)
return false;
bool left = getFont(buffer, par, pos - 1).isVisibleRightToLeft();
bool right;
if (pos == par.size())
right = par.isRightToLeftPar(buffer.params());
else
right = getFont(buffer, par, pos).isVisibleRightToLeft();
return left != right;
}
bool Text::isRTLBoundary(Buffer const & buffer, Paragraph const & par,
pos_type pos, Font const & font) const
{
if (!lyxrc.rtl_support)
return false;
bool left = font.isVisibleRightToLeft();
bool right;
if (pos == par.size())
right = par.isRightToLeftPar(buffer.params());
else
right = getFont(buffer, par, pos).isVisibleRightToLeft();
return left != right;
}
void Text::dispatch(Cursor & cur, FuncRequest & cmd)
{
LYXERR(Debug::ACTION) << "Text::dispatch: cmd: " << cmd << endl;

2
src/TextMetrics.cpp
View File

@ -893,7 +893,7 @@ pos_type TextMetrics::getColumnNearX(pit_type const pit,
bool const rtl = (text_->bidi.level(c) % 2 == 1);
if (left_side == rtl) {
++c;
boundary = text_->bidi.isBoundary(buffer, par, c);
boundary = text_->isRTLBoundary(buffer, par, c);
}
}