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Fix math fonts problem

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@6329 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Dekel Tsur 2003-03-03 21:31:38 +00:00
parent 60322bc9d7
commit 88969c910b
2 changed files with 55 additions and 66 deletions
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5
src/frontends/qt2/ChangeLog
View File

@ -1,3 +1,8 @@
2003-03-03 Dekel Tsur <dekelts@tau.ac.il>
* qfont_loader.C (available): Rewrite as the old version did not
work properly.
2003-02-28 Alfredo Braunstein <abraunst@libero.it>
* QLImage.C

116
src/frontends/qt2/qfont_loader.C
View File

@ -25,6 +25,8 @@
#include <qstringlist.h>
#include "support/lstrings.h"
#include <boost/tuple/tuple.hpp>
#ifdef Q_WS_X11
#include <qwidget.h>
#include <X11/Xlib.h>
@ -33,7 +35,9 @@
#endif
using std::endl;
using std::vector;
using std::pair;
using std::make_pair;
namespace {
@ -135,7 +139,7 @@ bool isSymbolFamily(LyXFont::FONT_FAMILY family)
}
QFont const getSymbolFont(string const & family)
pair<QFont, bool> const getSymbolFont(string const & family)
{
lyxerr[Debug::FONT] << "Looking for font family "
<< family << " ... ";
@ -148,14 +152,14 @@ QFont const getSymbolFont(string const & family)
// Note Qt lies about family, so we use rawName.
if (contains(fromqstr(font.rawName()), family)) {
lyxerr[Debug::FONT] << " got it !" << endl;
return font;
return make_pair<QFont, bool>(font, true);
}
font.setFamily(toqstr(upper));
if (contains(fromqstr(font.rawName()), upper)) {
lyxerr[Debug::FONT] << " got it (uppercase version) !" << endl;
return font;
return make_pair<QFont, bool>(font, true);
}
// A simple setFamily() fails on Qt 2
@ -164,61 +168,13 @@ QFont const getSymbolFont(string const & family)
if (contains(fromqstr(font.rawName()), family)) {
lyxerr[Debug::FONT] << " got it (raw version) !" << endl;
return font;
return make_pair<QFont, bool>(font, true);
}
lyxerr[Debug::FONT] << " FAILED :-(" << endl;
return font;
return make_pair<QFont, bool>(font, false);
}
bool isAvailable(LyXFont const & f)
{
static std::vector<bool> cache(LyXFont::NUM_FAMILIES, false);
static std::vector<bool> cache_initialized(LyXFont::NUM_FAMILIES, false);
static bool first_call = true;
LyXFont::FONT_FAMILY lyxfamily = f.family();
if (cache_initialized[lyxfamily])
return cache[lyxfamily];
cache_initialized[lyxfamily] = true;
if (first_call && isSymbolFamily(lyxfamily)) {
first_call = false;
addFontPath();
}
string const tmp = symbolFamily(lyxfamily);
if (tmp.empty())
return false;
QString const family(toqstr(tmp));
lyxerr[Debug::FONT] << "Family " << tmp
<< " isAvailable ?";
QFontDatabase db;
// pass false for match-locale: LaTeX fonts
// do not have non-matching locale according
// to Qt 2
QStringList sl(db.families(false));
for (QStringList::Iterator it = sl.begin(); it != sl.end(); ++it) {
// Case-insensitive for Cmmi10 vs. cmmi10
if ((*it).lower().startsWith(family.lower())) {
lyxerr[Debug::FONT]
<< "found family "
<< fromqstr(*it) << endl;
cache[lyxfamily] = true;
return true;
}
}
lyxerr[Debug::FONT] << " no." << endl;
return false;
}
} // namespace anon
@ -258,16 +214,7 @@ void qfont_loader::update()
QFont const & qfont_loader::get(LyXFont const & f)
{
static bool first_call = true;
if (first_call && isSymbolFamily(f.family())) {
first_call = false;
addFontPath();
}
QFont const & ret(getfontinfo(f)->font);
return ret;
return getfontinfo(f)->font;
}
@ -277,7 +224,8 @@ qfont_loader::font_info::font_info(LyXFont const & f)
string const pat = symbolFamily(f.family());
if (!pat.empty()) {
font = getSymbolFont(pat);
bool tmp;
boost::tie(font, tmp) = getSymbolFont(pat);
} else {
switch (f.family()) {
case LyXFont::ROMAN_FAMILY:
@ -377,5 +325,41 @@ bool qfont_loader::available(LyXFont const & f)
if (!lyxrc.use_gui)
return false;
return isAvailable(f);
static vector<bool> cache_set(LyXFont::NUM_FAMILIES, false);
static vector<bool> cache(LyXFont::NUM_FAMILIES, false);
LyXFont::FONT_FAMILY family = f.family();
if (cache_set[family])
return cache[family];
cache_set[family] = true;
string const pat = symbolFamily(family);
if (!pat.empty()) {
pair<QFont, bool> tmp = getSymbolFont(pat);
if (tmp.second) {
cache[family] = true;
return true;
}
// If the font is a tex symbol font and it is not available,
// we try to add the xfonts directory to the font path.
static bool first_time = true;
if (!first_time || family == LyXFont::SYMBOL_FAMILY
|| family == LyXFont::WASY_FAMILY)
return false;
first_time = false;
addFontPath();
tmp = getSymbolFont(pat);
if (tmp.second) {
cache[family] = true;
return true;
}
// We don't need to set cache[family] to false, as it
//is initialized to false;
return false;
}
// We don't care about non-symbol fonts
return false;
}