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Re-written font loader. This gets the Qt 2 case right still,
but also works with Qt 3 on RedHat 8.0 when you install those ttf fonts. git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@5848 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
John Levon
parent
08cb9703f4
commit
539ce478e0
@ -1,3 +1,8 @@
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2002-12-18 John Levon <levon@movementarian.org>
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* qfont_loader.C: rewrite for proper maths symbols
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handling
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2002-12-17 John Levon <levon@movementarian.org>
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* qt_helpers.h:
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@ -24,6 +24,8 @@
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#include <qglobal.h>
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#include <qfontmetrics.h>
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#include <qfontdatabase.h>
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#include <qstringlist.h>
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#include "support/lstrings.h"
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#ifdef Q_WS_X11
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@ -36,6 +38,170 @@
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using std::endl;
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namespace {
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void addFontPath()
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{
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#ifdef Q_WS_X11
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string const dir = OnlyPath(LibFileSearch("xfonts", "fonts.dir"));
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if (!dir.empty()) {
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QWidget w;
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int n;
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char ** p = XGetFontPath(w.x11Display(), &n);
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if (std::find(p, p + n, dir) != p + n)
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return;
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lyxerr << "Adding " << dir << " to the font path.\n";
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string const command = "xset fp+ " + dir;
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Systemcall s;
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if (!s.startscript(Systemcall::Wait, command))
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return;
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lyxerr << "Unable to add font path.\n";
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}
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#endif
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}
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struct symbol_font {
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LyXFont::FONT_FAMILY lyx_family;
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string family;
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string xlfd;
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};
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symbol_font symbol_fonts[] = {
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{ LyXFont::SYMBOL_FAMILY,
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"symbol",
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"-*-symbol-*-*-*-*-*-*-*-*-*-*-adobe-fontspecific" },
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{ LyXFont::CMR_FAMILY,
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"cmr10",
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"-*-cmr10-medium-*-*-*-*-*-*-*-*-*-*-*" },
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{ LyXFont::CMSY_FAMILY,
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"cmsy10",
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"-*-cmsy10-*-*-*-*-*-*-*-*-*-*-*-*" },
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{ LyXFont::CMM_FAMILY,
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"cmmi10",
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"-*-cmmi10-medium-*-*-*-*-*-*-*-*-*-*-*" },
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{ LyXFont::CMEX_FAMILY,
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"cmex10",
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"-*-cmex10-*-*-*-*-*-*-*-*-*-*-*-*" },
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{ LyXFont::MSA_FAMILY,
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"msam10",
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"-*-msam10-*-*-*-*-*-*-*-*-*-*-*-*" },
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{ LyXFont::MSB_FAMILY,
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"msbm10",
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"-*-msbm10-*-*-*-*-*-*-*-*-*-*-*-*" },
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{ LyXFont::EUFRAK_FAMILY,
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"eufm10",
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"-*-eufm10-medium-*-*-*-*-*-*-*-*-*-*-*" },
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{ LyXFont::WASY_FAMILY,
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"wasy10",
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"-*-wasy10-medium-*-*-*-*-*-*-*-*-*-*-*" }
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};
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size_t const nr_symbol_fonts = sizeof(symbol_fonts) / sizeof(symbol_font);
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string getRawName(string const & family)
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{
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for (size_t i = 0; i < nr_symbol_fonts; ++i) {
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if (family == symbol_fonts[i].family)
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return symbol_fonts[i].xlfd;
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}
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lyxerr[Debug::FONT] << "BUG: family not found !" << endl;
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return string();
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}
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string const symbolFamily(LyXFont::FONT_FAMILY family)
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{
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for (size_t i = 0; i < nr_symbol_fonts; ++i) {
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if (family == symbol_fonts[i].lyx_family)
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return symbol_fonts[i].family;
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}
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return string();
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}
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QFont const getSymbolFont(string const & family)
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{
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lyxerr[Debug::FONT] << "Looking for font family "
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<< family << " ... ";
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string upper = family;
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upper[0] = toupper(family[0]);
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QFont font;
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font.setFamily(toqstr(family));
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// Note Qt lies about family, so we use rawName.
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if (contains(fromqstr(font.rawName()), family)) {
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lyxerr[Debug::FONT] << " got it !" << endl;
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return font;
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}
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font.setFamily(toqstr(upper));
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if (contains(fromqstr(font.rawName()), upper)) {
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lyxerr[Debug::FONT] << " got it (uppercase version) !" << endl;
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return font;
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}
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// A simple setFamily() fails on Qt 2
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font.setRawName(toqstr(getRawName(family)));
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if (contains(fromqstr(font.rawName()), family)) {
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lyxerr[Debug::FONT] << " got it (raw version) !" << endl;
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return font;
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}
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lyxerr[Debug::FONT] << " FAILED :(" << endl;
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return font;
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}
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bool isAvailable(LyXFont const & f)
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{
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string const tmp = symbolFamily(f.family());
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if (tmp.empty())
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return false;
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QString const family(toqstr(tmp));
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lyxerr[Debug::FONT] << "Family " << tmp
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<< " isAvailable ?" << endl;
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QFontDatabase db;
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// pass false for match-locale: LaTeX fonts
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// do not have non-matching locale according
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// to Qt 2
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QStringList sl(db.families(false));
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for (QStringList::Iterator it = sl.begin(); it != sl.end(); ++it) {
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// Case-insensitive for Cmmi10 vs. cmmi10
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if ((*it).contains(family, false)) {
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lyxerr[Debug::FONT]
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<< "found family "
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<< fromqstr(*it) << endl;
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return true;
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}
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}
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return false;
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}
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} // namespace anon
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qfont_loader::qfont_loader()
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{
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for (int i1 = 0; i1 < LyXFont::NUM_FAMILIES; ++i1) {
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@ -72,111 +238,26 @@ void qfont_loader::update()
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QFont const & qfont_loader::get(LyXFont const & f)
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{
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QFont const & ret(getfontinfo(f)->font);
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static bool first_call = true;
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if (lyxerr.debugging(Debug::FONT)) {
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lyxerr[Debug::FONT] << "Font '" << f.stateText(0)
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<< "' matched by\n" << ret.rawName() << endl;
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if (first_call) {
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first_call = false;
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addFontPath();
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}
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lyxerr[Debug::FONT] << "The font has size: "
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<< ret.pointSizeFloat() << endl;
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QFont const & ret(getfontinfo(f)->font);
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return ret;
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}
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namespace {
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string const symbolPattern(LyXFont::FONT_FAMILY family)
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{
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switch (family) {
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case LyXFont::SYMBOL_FAMILY:
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return "-*-symbol-*-*-*-*-*-*-*-*-*-*-adobe-fontspecific";
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case LyXFont::CMR_FAMILY:
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return "-*-cmr10-medium-*-*-*-*-*-*-*-*-*-*-*";
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case LyXFont::CMSY_FAMILY:
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return "-*-cmsy10-*-*-*-*-*-*-*-*-*-*-*-*";
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case LyXFont::CMM_FAMILY:
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return "-*-cmmi10-medium-*-*-*-*-*-*-*-*-*-*-*";
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case LyXFont::CMEX_FAMILY:
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return "-*-cmex10-*-*-*-*-*-*-*-*-*-*-*-*";
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case LyXFont::MSA_FAMILY:
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return "-*-msam10-*-*-*-*-*-*-*-*-*-*-*-*";
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case LyXFont::MSB_FAMILY:
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return "-*-msbm10-*-*-*-*-*-*-*-*-*-*-*-*";
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case LyXFont::EUFRAK_FAMILY:
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return "-*-eufm10-medium-*-*-*-*-*-*-*-*-*-*-*";
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case LyXFont::WASY_FAMILY:
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return "-*-wasy10-medium-*-*-*-*-*-*-*-*-*-*-*";
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default:
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return string();
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}
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}
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bool addFontPath()
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{
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#ifdef Q_WS_X11
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string const dir = OnlyPath(LibFileSearch("xfonts", "fonts.dir"));
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if (!dir.empty()) {
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QWidget w;
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int n;
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char ** p = XGetFontPath(w.x11Display(), &n);
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if (std::find(p, p + n, dir) != p + n)
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return false;
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lyxerr << "Adding " << dir << " to the font path.\n";
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string const command = "xset fp+ " + dir;
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Systemcall s;
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if (!s.startscript(Systemcall::Wait, command))
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return true;
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lyxerr << "Unable to add font path.\n";
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}
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#endif
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return false;
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}
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bool isAvailable(QFont const & font, LyXFont const & f)
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{
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string tmp = symbolPattern(f.family());
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if (tmp.empty())
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return false;
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else {
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bool const found(token(tmp, '-', 2) ==
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token(fromqstr(font.rawName()), '-', 2));
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lyxerr[Debug::FONT] << "Looking for symbol font \n\""
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<< tmp << "\" and got \n\"" << fromqstr(font.rawName())
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<< "\"\n match: " << found << endl;
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return found;
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}
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}
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} // namespace anon
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qfont_loader::font_info::font_info(LyXFont const & f)
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: metrics(font)
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{
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string pat = symbolPattern(f.family());
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string const pat = symbolFamily(f.family());
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if (!pat.empty()) {
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static bool first_time = true;
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font.setRawName(toqstr(pat));
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if (f.family() != LyXFont::SYMBOL_FAMILY &&
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!isAvailable(font, f) && first_time) {
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first_time = false;
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if (addFontPath()) {
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font.setRawName(toqstr(pat));
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}
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}
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font = getSymbolFont(pat);
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} else {
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switch (f.family()) {
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case LyXFont::ROMAN_FAMILY:
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@ -206,6 +287,8 @@ qfont_loader::font_info::font_info(LyXFont const & f)
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case LyXFont::BOLD_SERIES:
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font.setWeight(QFont::Bold);
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break;
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default:
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break;
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}
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switch (f.realShape()) {
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@ -213,8 +296,18 @@ qfont_loader::font_info::font_info(LyXFont const & f)
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case LyXFont::SLANTED_SHAPE:
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font.setItalic(true);
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break;
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default:
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break;
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}
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if (lyxerr.debugging(Debug::FONT)) {
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lyxerr[Debug::FONT] << "Font '" << f.stateText(0)
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<< "' matched by\n" << font.rawName() << endl;
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}
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lyxerr[Debug::FONT] << "The font has size: "
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<< font.pointSizeFloat() << endl;
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// Is this an exact match?
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if (font.exactMatch()) {
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lyxerr[Debug::FONT] << "This font is an exact match" << endl;
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@ -264,7 +357,7 @@ bool qfont_loader::available(LyXFont const & f)
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if (!lyxrc.use_gui)
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return false;
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bool const is_available(isAvailable(getfontinfo(f)->font, f));
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bool const is_available(isAvailable(f));
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lyxerr[Debug::FONT] << "font_loader::available returning "
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<< is_available << endl;
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return is_available;
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