+
+/// Return the list of loadable formats.
+vector<string> loadableImageFormats()
+{
+ vector<string> fmts;
+
+ QList<QByteArray> qt_formats = QImageReader::supportedImageFormats();
+
+ LYXERR(Debug::GRAPHICS,
+ "\nThe image loader can load the following directly:\n");
+
+ if (qt_formats.empty())
+ LYXERR(Debug::GRAPHICS, "\nQt4 Problem: No Format available!");
+
+ for (QList<QByteArray>::const_iterator it = qt_formats.begin(); it != qt_formats.end(); ++it) {
+
+ LYXERR(Debug::GRAPHICS, (const char *) *it << ", ");
+
+ string ext = ascii_lowercase((const char *) *it);
+ // special case
+ if (ext == "jpeg")
+ ext = "jpg";
+ fmts.push_back(ext);
+ }
+
+ return fmts;
+}
+
+
+////////////////////////////////////////////////////////////////////////
+//
+// Icon loading support code
+//
+////////////////////////////////////////////////////////////////////////
+
+namespace {
+
+struct PngMap {
+ QString key;
+ QString value;
+};
+
+
+bool operator<(PngMap const & lhs, PngMap const & rhs)
+{
+ return lhs.key < rhs.key;
+}
+
+
+class CompareKey {
+public:
+ CompareKey(QString const & name) : name_(name) {}
+ bool operator()(PngMap const & other) const { return other.key == name_; }
+private:
+ QString const name_;
+};
+
+
+// this must be sorted alphabetically
+// Upper case comes before lower case
+PngMap sorted_png_map[] = {
+ { "Bumpeq", "bumpeq2" },
+ { "Cap", "cap2" },
+ { "Cup", "cup2" },
+ { "Delta", "delta2" },
+ { "Diamond", "diamond2" },
+ { "Downarrow", "downarrow2" },
+ { "Gamma", "gamma2" },
+ { "Lambda", "lambda2" },
+ { "Leftarrow", "leftarrow2" },
+ { "Leftrightarrow", "leftrightarrow2" },
+ { "Longleftarrow", "longleftarrow2" },
+ { "Longleftrightarrow", "longleftrightarrow2" },
+ { "Longrightarrow", "longrightarrow2" },
+ { "Omega", "omega2" },
+ { "Phi", "phi2" },
+ { "Pi", "pi2" },
+ { "Psi", "psi2" },
+ { "Rightarrow", "rightarrow2" },
+ { "Sigma", "sigma2" },
+ { "Subset", "subset2" },
+ { "Supset", "supset2" },
+ { "Theta", "theta2" },
+ { "Uparrow", "uparrow2" },
+ { "Updownarrow", "updownarrow2" },
+ { "Upsilon", "upsilon2" },
+ { "Vdash", "vdash3" },
+ { "Vert", "vert2" },
+ { "Xi", "xi2" },
+ { "nLeftarrow", "nleftarrow2" },
+ { "nLeftrightarrow", "nleftrightarrow2" },
+ { "nRightarrow", "nrightarrow2" },
+ { "nVDash", "nvdash3" },
+ { "nvDash", "nvdash2" },
+ { "textrm \\AA", "textrm_AA"},
+ { "textrm \\O", "textrm_O"},
+ { "vDash", "vdash2" }
+};
+
+size_t const nr_sorted_png_map = sizeof(sorted_png_map) / sizeof(PngMap);
+
+
+QString findPng(QString const & name)
+{
+ PngMap const * const begin = sorted_png_map;
+ PngMap const * const end = begin + nr_sorted_png_map;
+ LASSERT(sorted(begin, end), /**/);
+
+ PngMap const * const it = find_if(begin, end, CompareKey(name));
+
+ QString png_name;
+ if (it != end) {
+ png_name = it->value;
+ } else {
+ png_name = name;
+ png_name.replace('_', "underscore");
+ png_name.replace(' ', '_');
+
+ // This way we can have "math-delim { }" on the toolbar.
+ png_name.replace('(', "lparen");
+ png_name.replace(')', "rparen");
+ png_name.replace('[', "lbracket");
+ png_name.replace(']', "rbracket");
+ png_name.replace('{', "lbrace");
+ png_name.replace('}', "rbrace");
+ png_name.replace('|', "bars");
+ png_name.replace(',', "thinspace");
+ png_name.replace(':', "mediumspace");
+ png_name.replace(';', "thickspace");
+ png_name.replace('!', "negthinspace");
+ }
+
+ LYXERR(Debug::GUI, "findPng(" << name << ")\n"
+ << "Looking for math PNG called \"" << png_name << '"');
+ return png_name;
+}
+
+} // namespace anon
+
+
+QString iconName(FuncRequest const & f, bool unknown)
+{
+ initializeResources();
+ QString name1;
+ QString name2;
+ QString path;
+ switch (f.action) {
+ case LFUN_MATH_INSERT:
+ if (!f.argument().empty()) {
+ path = "math/";
+ name1 = findPng(toqstr(f.argument()).mid(1));
+ }
+ break;
+ case LFUN_MATH_DELIM:
+ case LFUN_MATH_BIGDELIM:
+ path = "math/";
+ name1 = findPng(toqstr(f.argument()));
+ break;
+ case LFUN_CALL:
+ path = "commands/";
+ name1 = toqstr(f.argument());
+ break;
+ case LFUN_COMMAND_ALTERNATIVES: {
+ // use the first of the alternative commands
+ docstring firstcom;
+ docstring dummy = split(f.argument(), firstcom, ';');
+ name1 = toqstr(firstcom);
+ name1.replace(' ', '_');
+ break;
+ }
+ default:
+ name2 = toqstr(lyxaction.getActionName(f.action));
+ name1 = name2;
+
+ if (!f.argument().empty()) {
+ name1 = name2 + ' ' + toqstr(f.argument());
+ name1.replace(' ', '_');
+ name1.replace('\\', "backslash");
+ }
+ }
+
+ FileName fname = libFileSearch("images/" + path, name1, "png");
+ if (fname.exists())
+ return toqstr(fname.absFilename());
+
+ fname = libFileSearch("images/" + path, name2, "png");
+ if (fname.exists())
+ return toqstr(fname.absFilename());
+
+ path = ":/images/" + path;
+ QDir res(path);
+ if (!res.exists()) {
+ LYXERR0("Directory " << path << " not found in resource!");
+ return QString();
+ }
+ name1 += ".png";
+ if (res.exists(name1))
+ return path + name1;
+
+ name2 += ".png";
+ if (res.exists(name2))
+ return path + name2;
+
+ LYXERR(Debug::GUI, "Cannot find icon with filename "
+ << "\"" << name1 << "\""
+ << " or filename "
+ << "\"" << name2 << "\""
+ << " for command \""
+ << lyxaction.getActionName(f.action)
+ << '(' << to_utf8(f.argument()) << ")\"");
+
+ if (unknown) {
+ fname = libFileSearch(QString("images/"), "unknown", "png");
+ if (fname.exists())
+ return toqstr(fname.absFilename());
+ return QString(":/images/unknown.png");
+ }
+
+ return QString();
+}
+
+QPixmap getPixmap(QString const & path, QString const & name, QString const & ext)
+{
+ QPixmap pixmap;
+ FileName fname = libFileSearch(path, name, ext);
+ QString path1 = toqstr(fname.absFilename());
+ QString path2 = ":/" + path + name + "." + ext;
+
+ if (pixmap.load(path1)) {
+ return pixmap;
+ }
+ else if (pixmap.load(path2)) {
+ return pixmap;
+ }
+
+ LYXERR0("Cannot load pixmap \""
+ << path << name << '.' << ext
+ << "\", please verify resource system!");
+
+ return QPixmap();
+}
+
+QIcon getIcon(FuncRequest const & f, bool unknown)
+{
+ QString icon = iconName(f, unknown);
+ if (icon.isEmpty())
+ return QIcon();
+
+ //LYXERR(Debug::GUI, "Found icon: " << icon);
+ QPixmap pm;
+ if (!pm.load(icon)) {
+ LYXERR0("Cannot load icon " << icon << " please verify resource system!");
+ return QIcon();
+ }
+
+ return QIcon(pm);
+}
+
+
+////////////////////////////////////////////////////////////////////////
+//
+// LyX server support code.
+//
+////////////////////////////////////////////////////////////////////////
+