src/frontends/qt2/qfont_loader.C

   1 /**
   2  * \file qfont_loader.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Asger Alstrup
   7  * \author John Levon
   8  *
   9  * Full author contact details are available in file CREDITS
  10  */
  11
  12 #include <config.h>
  13
  14 #ifdef __GNUG__
  15 #pragma implementation
  16 #endif
  17
  18 #include "qfont_loader.h"
  19 #include "gettext.h"
  20 #include "debug.h"
  21 #include "lyxrc.h"
  22 #include "BufferView.h"
  23
  24 #include <qglobal.h>
  25 #if QT_VERSION < 0x030000
  26 #include "support/lstrings.h"
  27 #endif
  28
  29 using std::endl;
  30
  31
  32 qfont_loader::qfont_loader()
  33 {
  34 }
  35
  36
  37 qfont_loader::~qfont_loader()
  38 {
  39 }
  40
  41
  42 void qfont_loader::update()
  43 {
  44         for (int i1 = 0; i1 < LyXFont::NUM_FAMILIES; ++i1) {
  45                 for (int i2 = 0; i1 < 2; ++i2) {
  46                         for (int i3 = 0; i1 < 4; ++i3) {
  47                                 for (int i4 = 0; i1 < 10; ++i4) {
  48                                         fontinfo_[i1][i2][i3][i4].reset(0);
  49                                 }
  50                         }
  51                 }
  52         }
  53 }
  54
  55
  56 QFont const & qfont_loader::get(LyXFont const & f)
  57 {
  58         QFont const & ret(getfontinfo(f)->font);
  59
  60         if (lyxerr.debugging(Debug::FONT)) {
  61                 lyxerr[Debug::FONT] << "Font '" << f.stateText(0)
  62                         << "' matched by\n" << ret.rawName() << endl;
  63         }
  64
  65         lyxerr[Debug::FONT] << "The font has size: "
  66                             << ret.pointSizeFloat() << endl;
  67
  68         return ret;
  69 }
  70
  71
  72 qfont_loader::font_info::font_info(LyXFont const & f)
  73         : metrics(font)
  74 {
  75         switch (f.family()) {
  76                 case LyXFont::SYMBOL_FAMILY:
  77                         font.setRawName("-*-symbol-*-*-*-*-*-*-*-*-*-*-adobe-fontspecific");
  78                         break;
  79                 case LyXFont::CMR_FAMILY:
  80                         font.setRawName("-*-cmr10-medium-*-*-*-*-*-*-*-*-*-*-*");
  81                         break;
  82                 case LyXFont::CMSY_FAMILY:
  83                         font.setRawName("-*-cmsy10-*-*-*-*-*-*-*-*-*-*-*-*");
  84                         break;
  85                 case LyXFont::CMM_FAMILY:
  86                         font.setRawName("-*-cmmi10-medium-*-*-*-*-*-*-*-*-*-*-*");
  87                         break;
  88                 case LyXFont::CMEX_FAMILY:
  89                         font.setRawName("-*-cmex10-*-*-*-*-*-*-*-*-*-*-*-*");
  90                         break;
  91                 case LyXFont::MSA_FAMILY:
  92                         font.setRawName("-*-msam10-*-*-*-*-*-*-*-*-*-*-*-*");
  93                         break;
  94                 case LyXFont::MSB_FAMILY:
  95                         font.setRawName("-*-msbm10-*-*-*-*-*-*-*-*-*-*-*-*");
  96                         break;
  97                 case LyXFont::EUFRAK_FAMILY:
  98                         font.setRawName("-*-eufm10-medium-*-*-*-*-*-*-*-*-*-*-*");
  99                         break;
 100                 case LyXFont::ROMAN_FAMILY:
 101                         font.setFamily("times");
 102                         break;
 103                 case LyXFont::SANS_FAMILY:
 104                         font.setFamily("helvetica");
 105                         break;
 106                 case LyXFont::TYPEWRITER_FAMILY:
 107                         font.setFamily("courier");
 108                         break;
 109         }
 110
 111         font.setPointSizeFloat(lyxrc.font_sizes[f.size()]
 112                                * lyxrc.zoom / 100.0);
 113
 114         // FIXME: lyxrc, check for failure etc.
 115
 116         switch (f.series()) {
 117                 case LyXFont::MEDIUM_SERIES:
 118                         font.setWeight(QFont::Normal);
 119                         break;
 120                 case LyXFont::BOLD_SERIES:
 121                         font.setWeight(QFont::Bold);
 122                         break;
 123         }
 124
 125         switch (f.realShape()) {
 126                 case LyXFont::ITALIC_SHAPE:
 127                 case LyXFont::SLANTED_SHAPE:
 128                         font.setItalic(true);
 129                         break;
 130         }
 131
 132         // Is this an exact match?
 133         if (font.exactMatch()) {
 134                 lyxerr[Debug::FONT] << "This font is an exact match" << endl;
 135         } else {
 136                 lyxerr[Debug::FONT] << "This font is NOT an exact match"
 137                                     << endl;
 138         }
 139
 140         lyxerr[Debug::FONT] << "XFLD: " << font.rawName() << endl;
 141
 142         metrics = QFontMetrics(font);
 143 }
 144
 145
 146 qfont_loader::font_info const * qfont_loader::getfontinfo(LyXFont const & f)
 147 {
 148         if (!lyxrc.use_gui) {
 149                 // FIXME
 150         }
 151
 152         font_info * fi = fontinfo_[f.family()][f.series()][f.realShape()][f.size()].get();
 153         if (!fi) {
 154                 fi = new font_info(f);
 155                 fontinfo_[f.family()][f.series()][f.realShape()][f.size()].reset(fi);
 156         }
 157
 158         return fi;
 159 }
 160
 161
 162 bool qfont_loader::available(LyXFont const & f)
 163 {
 164         if (!lyxrc.use_gui)
 165                 return false;
 166
 167 #if QT_VERSION >= 0x030000
 168         return getfontinfo(f)->font.exactMatch();
 169 #else
 170         string tmp;
 171         switch (f.family()) {
 172         case LyXFont::SYMBOL_FAMILY:  tmp = "symbol"; break;
 173         case LyXFont::CMR_FAMILY:     tmp = "cmr10"; break;
 174         case LyXFont::CMSY_FAMILY:    tmp = "cmsy10"; break;
 175         case LyXFont::CMM_FAMILY:     tmp = "cmmi10"; break;
 176         case LyXFont::CMEX_FAMILY:    tmp = "cmex10"; break;
 177         case LyXFont::MSA_FAMILY:     tmp = "msam10"; break;
 178         case LyXFont::MSB_FAMILY:     tmp = "msbm10"; break;
 179         default: break;
 180         }
 181         if (tmp.empty())
 182                 return false;
 183         else
 184                 return token(getfontinfo(f)->font.rawName().latin1(), '-', 2)
 185                         == tmp;
 186 #endif
 187 }