/**
* \file qfont_loader.C
- * Copyright 1997 the LyX Team
- * Read the file COPYING
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
*
* \author Asger Alstrup
- * \author John Levon <moz@compsoc.man.ac.uk>
+ * \author John Levon
+ *
+ * Full author contact details are available in file CREDITS.
*/
#include <config.h>
-#ifdef __GNUG__
-#pragma implementation
-#endif
-
#include "qfont_loader.h"
-#include "gettext.h"
+#include "qt_helpers.h"
+
#include "debug.h"
#include "lyxrc.h"
-#include "BufferView.h"
-
+
+#include "frontends/lyx_gui.h"
+
+#include "support/convert.h"
+#include "support/filetools.h"
+#include "support/lstrings.h"
+#include "support/systemcall.h"
+
+#include <qfontinfo.h>
+
+#include <boost/tuple/tuple.hpp>
+
+#ifdef Q_WS_X11
+#include <qwidget.h>
+#include <X11/Xlib.h>
+#include <algorithm>
+#endif
+
+using lyx::support::contains;
+using lyx::support::LibFileSearch;
+using lyx::support::OnlyPath;
+using lyx::support::QuoteName;
+using lyx::support::Systemcall;
+
using std::endl;
-
+using std::make_pair;
+
+using std::pair;
+using std::vector;
+using std::string;
+
+#ifdef Q_WS_MACX
+#include <ApplicationServices/ApplicationServices.h>
+#endif
+
+
+
+void qfont_loader::addToFontPath()
+{
+#ifdef Q_WS_X11
+ string const dir = OnlyPath(LibFileSearch("xfonts", "fonts.dir"));
+ if (!dir.empty()) {
+ QWidget w;
+ int n;
+ char ** p = XGetFontPath(w.x11Display(), &n);
+ if (std::find(p, p + n, dir) != p + n)
+ return;
+ lyxerr[Debug::FONT] << "Adding " << dir
+ << " to the font path." << endl;
+ string const command = "xset fp+ " + QuoteName(dir);
+ Systemcall s;
+ if (!s.startscript(Systemcall::Wait, command))
+ return;
+ lyxerr << "Unable to add " << dir << "to the font path."
+ << endl;
+ }
+#endif
+}
+
+void qfont_loader::initFontPath()
+{
+#ifdef Q_WS_MACX
+ CFBundleRef myAppBundle = CFBundleGetMainBundle();
+ CFURLRef myAppResourcesURL, FontsURL;
+ FSRef fontDirRef;
+ FSSpec fontDirSpec;
+ CFStringRef filePath = CFStringCreateWithBytes(kCFAllocatorDefault,
+ (UInt8 *) "Fonts", strlen("Fonts"),
+ kCFStringEncodingISOLatin1, false);
+
+ myAppResourcesURL = CFBundleCopyResourcesDirectoryURL(myAppBundle);
+ FontsURL = CFURLCreateCopyAppendingPathComponent(kCFAllocatorDefault,
+ myAppResourcesURL, filePath, true);
+ if (lyxerr.debugging(Debug::FONT)) {
+ UInt8 buf[255];
+ if (CFURLGetFileSystemRepresentation(FontsURL, true, buf, 255))
+ lyxerr << "Adding Fonts directory: " << buf << endl;
+ }
+ CFURLGetFSRef (FontsURL, &fontDirRef);
+ OSStatus err = FSGetCatalogInfo (&fontDirRef, kFSCatInfoNone,
+ NULL, NULL, &fontDirSpec, NULL);
+ if (err)
+ lyxerr << "FSGetCatalogInfo err = " << err << endl;
+ err = FMActivateFonts (&fontDirSpec, NULL, NULL,
+ kFMLocalActivationContext);
+ if (err)
+ lyxerr << "FMActivateFonts err = " << err << endl;
+#endif
+}
+
+namespace {
+
+struct symbol_font {
+ LyXFont::FONT_FAMILY lyx_family;
+ string family;
+ string xlfd;
+};
+
+symbol_font symbol_fonts[] = {
+ { LyXFont::SYMBOL_FAMILY,
+ "symbol",
+ "-*-symbol-*-*-*-*-*-*-*-*-*-*-adobe-fontspecific" },
+
+ { LyXFont::CMR_FAMILY,
+ "cmr10",
+ "-*-cmr10-medium-*-*-*-*-*-*-*-*-*-*-*" },
+
+ { LyXFont::CMSY_FAMILY,
+ "cmsy10",
+ "-*-cmsy10-*-*-*-*-*-*-*-*-*-*-*-*" },
+
+ { LyXFont::CMM_FAMILY,
+ "cmmi10",
+ "-*-cmmi10-medium-*-*-*-*-*-*-*-*-*-*-*" },
+
+ { LyXFont::CMEX_FAMILY,
+ "cmex10",
+ "-*-cmex10-*-*-*-*-*-*-*-*-*-*-*-*" },
+
+ { LyXFont::MSA_FAMILY,
+ "msam10",
+ "-*-msam10-*-*-*-*-*-*-*-*-*-*-*-*" },
+
+ { LyXFont::MSB_FAMILY,
+ "msbm10",
+ "-*-msbm10-*-*-*-*-*-*-*-*-*-*-*-*" },
+
+ { LyXFont::EUFRAK_FAMILY,
+ "eufm10",
+ "-*-eufm10-medium-*-*-*-*-*-*-*-*-*-*-*" },
+
+ { LyXFont::WASY_FAMILY,
+ "wasy10",
+ "-*-wasy10-medium-*-*-*-*-*-*-*-*-*-*-*" }
+};
+
+size_t const nr_symbol_fonts = sizeof(symbol_fonts) / sizeof(symbol_font);
+
+
+string getRawName(string const & family)
+{
+ for (size_t i = 0; i < nr_symbol_fonts; ++i) {
+ if (family == symbol_fonts[i].family)
+ return symbol_fonts[i].xlfd;
+ }
+ lyxerr[Debug::FONT] << "BUG: family not found !" << endl;
+ return string();
+}
+
+
+string const symbolFamily(LyXFont::FONT_FAMILY family)
+{
+ for (size_t i = 0; i < nr_symbol_fonts; ++i) {
+ if (family == symbol_fonts[i].lyx_family)
+ return symbol_fonts[i].family;
+ }
+ return string();
+}
+
+
+bool isSymbolFamily(LyXFont::FONT_FAMILY family)
+{
+ return family >= LyXFont::SYMBOL_FAMILY &&
+ family <= LyXFont::WASY_FAMILY;
+}
+
+
+bool isChosenFont(QFont & font, string const & family)
+{
+ lyxerr[Debug::FONT] << "raw: " << fromqstr(font.rawName()) << endl;
+
+ QFontInfo fi(font);
+
+ // Note Qt lies about family quite often
+ lyxerr[Debug::FONT] << "alleged fi family: "
+ << fromqstr(fi.family()) << endl;
+
+ // So we check rawName first
+ if (contains(fromqstr(font.rawName()), family)) {
+ lyxerr[Debug::FONT] << " got it ";
+ return true;
+ }
+
+ // Qt 3.2 beta1 returns "xft" for all xft fonts
+ if (font.rawName() == "xft") {
+ if (contains(fromqstr(fi.family()), family)) {
+ lyxerr[Debug::FONT] << " got it (Xft) ";
+ return true;
+ }
+ }
+
+ return false;
+}
+
+
+pair<QFont, bool> const getSymbolFont(string const & family)
+{
+ lyxerr[Debug::FONT] << "Looking for font family "
+ << family << " ... ";
+ string upper = family;
+ upper[0] = toupper(family[0]);
+
+ QFont font;
+ font.setFamily(toqstr(family));
+
+ if (isChosenFont(font, family)) {
+ lyxerr[Debug::FONT] << "normal!" << endl;
+ return make_pair<QFont, bool>(font, true);
+ }
+
+ font.setFamily(toqstr(upper));
+
+ if (isChosenFont(font, upper)) {
+ lyxerr[Debug::FONT] << "upper!" << endl;
+ return make_pair<QFont, bool>(font, true);
+ }
+
+ // A simple setFamily() fails on Qt 2
+
+ font.setRawName(toqstr(getRawName(family)));
+
+ if (isChosenFont(font, family)) {
+ lyxerr[Debug::FONT] << "raw version!" << endl;
+ return make_pair<QFont, bool>(font, true);
+ }
+
+ lyxerr[Debug::FONT] << " FAILED :-(" << endl;
+ return make_pair<QFont, bool>(font, false);
+}
+
+} // namespace anon
+
+
qfont_loader::qfont_loader()
{
+ for (int i1 = 0; i1 < LyXFont::NUM_FAMILIES; ++i1) {
+ for (int i2 = 0; i2 < 2; ++i2) {
+ for (int i3 = 0; i3 < 4; ++i3) {
+ for (int i4 = 0; i4 < 10; ++i4) {
+ fontinfo_[i1][i2][i3][i4] = 0;
+ }
+ }
+ }
+ }
}
void qfont_loader::update()
{
- int i1,i2,i3,i4;
-
- // fuck this !
-
- for (i1 = 0; i1 < LyXFont::NUM_FAMILIES; ++i1) {
- for (i2 = 0; i1 < 2; ++i2) {
- for (i3 = 0; i1 < 4; ++i3) {
- for (i4 = 0; i1 < 10; ++i4) {
- fontinfo_[i1][i2][i3][i4].reset(0);
+ for (int i1 = 0; i1 < LyXFont::NUM_FAMILIES; ++i1) {
+ for (int i2 = 0; i2 < 2; ++i2) {
+ for (int i3 = 0; i3 < 4; ++i3) {
+ for (int i4 = 0; i4 < 10; ++i4) {
+ delete fontinfo_[i1][i2][i3][i4];
+ fontinfo_[i1][i2][i3][i4] = 0;
}
}
}
}
}
-
+
QFont const & qfont_loader::get(LyXFont const & f)
{
- QFont const & ret(getfontinfo(f)->font);
-
- if (lyxerr.debugging(Debug::FONT)) {
- lyxerr[Debug::FONT] << "Font '" << f.stateText(0)
- << "' matched by\n" << ret.rawName().latin1() << endl;
- }
- return ret;
+ return getfontinfo(f)->font;
}
-
+
qfont_loader::font_info::font_info(LyXFont const & f)
: metrics(font)
{
- switch (f.family()) {
- case LyXFont::SYMBOL_FAMILY:
- font.setRawName("-*-symbol-*-*-*-*-*-*-*-*-*-*-adobe-fontspecific");
- break;
- case LyXFont::CMR_FAMILY:
- font.setRawName("-*-cmr10-medium-*-*-*-*-*-*-*-*-*-*-*");
- break;
- case LyXFont::CMSY_FAMILY:
- font.setRawName("-*-cmsy10-*-*-*-*-*-*-*-*-*-*-*-*");
- break;
- case LyXFont::CMM_FAMILY:
- font.setRawName("-*-cmmi10-medium-*-*-*-*-*-*-*-*-*-*-*");
- break;
- case LyXFont::CMEX_FAMILY:
- font.setRawName("-*-cmex10-*-*-*-*-*-*-*-*-*-*-*-*");
- break;
- case LyXFont::MSA_FAMILY:
- font.setRawName("-*-msam10-*-*-*-*-*-*-*-*-*-*-*-*");
- break;
- case LyXFont::MSB_FAMILY:
- font.setRawName("-*-msbm10-*-*-*-*-*-*-*-*-*-*-*-*");
- break;
- case LyXFont::EUFRAK_FAMILY:
- font.setRawName("-*-eufm10-medium-*-*-*-*-*-*-*-*-*-*-*");
- break;
+
+ string const pat = symbolFamily(f.family());
+ if (!pat.empty()) {
+ bool tmp;
+ boost::tie(font, tmp) = getSymbolFont(pat);
+ } else {
+ switch (f.family()) {
case LyXFont::ROMAN_FAMILY:
- font.setFamily("times");
+ font.setFamily(toqstr(makeFontName(lyxrc.roman_font_name,
+ lyxrc.roman_font_foundry)));
break;
case LyXFont::SANS_FAMILY:
- font.setFamily("helvetica");
+ font.setFamily(toqstr(makeFontName(lyxrc.sans_font_name,
+ lyxrc.sans_font_foundry)));
break;
case LyXFont::TYPEWRITER_FAMILY:
- font.setFamily("courier");
+ font.setFamily(toqstr(makeFontName(lyxrc.typewriter_font_name,
+ lyxrc.typewriter_font_foundry)));
+ break;
+ default:
break;
+ }
}
-
- font.setPointSize(int((lyxrc.font_sizes[f.size()] * lyxrc.dpi *
- (lyxrc.zoom / 100.0)) / 72.27 + 0.5));
-
- // FIXME: lyxrc, check for failure etc.
-
+
+ font.setPointSizeFloat(convert<double>(lyxrc.font_sizes[f.size()])
+ * lyxrc.zoom / 100.0);
+
switch (f.series()) {
case LyXFont::MEDIUM_SERIES:
font.setWeight(QFont::Normal);
case LyXFont::BOLD_SERIES:
font.setWeight(QFont::Bold);
break;
+ default:
+ break;
}
-
- switch (f.shape()) {
+
+ switch (f.realShape()) {
case LyXFont::ITALIC_SHAPE:
case LyXFont::SLANTED_SHAPE:
font.setItalic(true);
break;
+ default:
+ break;
+ }
+
+ if (lyxerr.debugging(Debug::FONT)) {
+ lyxerr[Debug::FONT] << "Font '" << f.stateText(0)
+ << "' matched by\n" << font.rawName() << endl;
+ }
+
+ lyxerr[Debug::FONT] << "The font has size: "
+ << font.pointSizeFloat() << endl;
+
+ // Is this an exact match?
+ if (font.exactMatch()) {
+ lyxerr[Debug::FONT] << "This font is an exact match" << endl;
+ } else {
+ lyxerr[Debug::FONT] << "This font is NOT an exact match"
+ << endl;
}
+ lyxerr[Debug::FONT] << "XFLD: " << font.rawName() << endl;
+
metrics = QFontMetrics(font);
}
-qfont_loader::font_info const * qfont_loader::getfontinfo(LyXFont const & f)
+qfont_loader::font_info * qfont_loader::getfontinfo(LyXFont const & f)
{
- if (!lyxrc.use_gui) {
- // FIXME
- }
-
- font_info * fi = fontinfo_[f.family()][f.series()][f.shape()][f.size()].get();
- if (fi) {
- return fi;
- } else {
- fi = new font_info(f);
- fontinfo_[f.family()][f.series()][f.shape()][f.size()].reset(fi);
+ font_info * fi = fontinfo_[f.family()][f.series()][f.realShape()][f.size()];
+ if (fi)
return fi;
- }
+
+ font_info * fi2 = new font_info(f);
+ fontinfo_[f.family()][f.series()][f.realShape()][f.size()] = fi2;
+ return fi2;
}
-
-bool qfont_loader::available(LyXFont const &)
+
+int qfont_loader::charwidth(LyXFont const & f, Uchar val)
{
- // FIXME (see getRawName docs)
- return true;
+ font_info * fi = getfontinfo(f);
+
+ font_info::WidthCache::const_iterator cit = fi->widthcache.find(val);
+ if (cit != fi->widthcache.end())
+ return cit->second;
+
+ int const w = fi->metrics.width(QChar(val));
+ fi->widthcache[val] = w;
+ return w;
+}
+
+
+bool qfont_loader::available(LyXFont const & f)
+{
+ if (!lyx_gui::use_gui)
+ return false;
+
+ 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;
+ addToFontPath();
+ 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;
}