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fonthelpers.cpp

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00001 /*
00002     Requires the Qt widget libraries, available at no cost at
00003     http://www.troll.no
00004 
00005     Copyright (C) 2008 Chusslove Illich <caslav.ilic@gmx.net>
00006 
00007     This library is free software; you can redistribute it and/or
00008     modify it under the terms of the GNU Library General Public
00009     License as published by the Free Software Foundation; either
00010     version 2 of the License, or (at your option) any later version.
00011 
00012     This library is distributed in the hope that it will be useful,
00013     but WITHOUT ANY WARRANTY; without even the implied warranty of
00014     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015     Library General Public License for more details.
00016 
00017     You should have received a copy of the GNU Library General Public License
00018     along with this library; see the file COPYING.LIB.  If not, write to
00019     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00020     Boston, MA 02110-1301, USA.
00021 */
00022 
00023 #include "fonthelpers_p.h"
00024 
00025 #include "klocale.h"
00026 
00027 #ifdef NEVERDEFINE // never true
00028 // Font names up for translation, listed for extraction.
00029 
00030 // i18n: Generic sans serif font presented in font choosers. When selected,
00031 // the system will choose a real font, mandated by distro settings.
00032 I18N_NOOP2("@item Font name", "Sans Serif")
00033 // i18n: Generic serif font presented in font choosers. When selected,
00034 // the system will choose a real font, mandated by distro settings.
00035 I18N_NOOP2("@item Font name", "Serif")
00036 // i18n: Generic monospace font presented in font choosers. When selected,
00037 // the system will choose a real font, mandated by distro settings.
00038 I18N_NOOP2("@item Font name", "Monospace")
00039 
00040 #endif
00041 
00042 void splitFontString (const QString &name, QString *family, QString *foundry)
00043 {
00044     int p1 = name.indexOf('[');
00045     if (p1 < 0) {
00046         if (family) {
00047             *family = name.trimmed();
00048         }
00049         if (foundry) {
00050             foundry->clear();
00051         }
00052     } else {
00053         int p2 = name.indexOf(']', p1);
00054         p2 = p2 > p1 ? p2 : name.length();
00055         if (family) {
00056             *family = name.left(p1).trimmed();
00057         }
00058         if (foundry) {
00059             *foundry = name.mid(p1 + 1, p2 - p1 - 1).trimmed();
00060         }
00061     }
00062 }
00063 
00064 QString translateFontName (const QString &name)
00065 {
00066     QString family, foundry;
00067     splitFontString(name, &family, &foundry);
00068 
00069     // Obtain any regular translations for the family and foundry.
00070     QString trFamily = i18nc("@item Font name", family.toUtf8());
00071     QString trFoundry = foundry;
00072     if (!foundry.isEmpty()) {
00073         trFoundry = i18nc("@item Font foundry", foundry.toUtf8());
00074     }
00075 
00076     // Assemble full translation.
00077     QString trfont;
00078     if (foundry.isEmpty()) {
00079         // i18n: Filter by which the translators can translate, or otherwise
00080         // operate on the font names not put up for regular translation.
00081         trfont = i18nc("@item Font name", "%1", trFamily);
00082     } else {
00083         // i18n: Filter by which the translators can translate, or otherwise
00084         // operate on the font names not put up for regular translation.
00085         trfont = i18nc("@item Font name [foundry]", "%1 [%2]",
00086                        trFamily, trFoundry);
00087     }
00088     return trfont;
00089 }
00090 
00091 static bool localeLessThan (const QString &a, const QString &b)
00092 {
00093     return QString::localeAwareCompare(a, b) < 0;
00094 }
00095 
00096 QStringList translateFontNameList (const QStringList &names,
00097                                    QHash<QString, QString> *trToRawNames)
00098 {
00099     // Generic fonts, in the inverse of desired order.
00100     QStringList genericNames;
00101     genericNames.append("Monospace");
00102     genericNames.append("Serif");
00103     genericNames.append("Sans Serif");
00104 
00105     // Translate fonts, but do not add generics to the list right away.
00106     QStringList trNames;
00107     QHash<QString, QString> trMap;
00108     foreach (const QString &name, names) {
00109         QString trName = translateFontName(name);
00110         if (!genericNames.contains(name)) {
00111             trNames.append(trName);
00112         }
00113         trMap.insert(trName, name);
00114     }
00115 
00116     // Sort real fonts alphabetically.
00117     qSort(trNames.begin(), trNames.end(), localeLessThan);
00118 
00119     // Prepend generic fonts, in the predefined order.
00120     foreach (const QString &genericName, genericNames) {
00121         QString trGenericName = translateFontName(genericName);
00122         if (trMap.contains(trGenericName)) {
00123             trNames.prepend(trGenericName);
00124         }
00125     }
00126 
00127     if (trToRawNames) {
00128         *trToRawNames = trMap;
00129     }
00130     return trNames;
00131 }

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