// new_gui.cxx: implementation of XML-configurable GUI support.
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
#include "new_gui.hxx"
+#include <algorithm>
+#include <iostream>
+#include <cstring>
+#include <sys/types.h>
+
#include <plib/pu.h>
-#include <plib/ul.h>
#include <simgear/compiler.h>
#include <simgear/structure/exception.hxx>
+#include <simgear/props/props_io.hxx>
+#include <simgear/misc/sg_dir.hxx>
+
+#include <boost/algorithm/string/case_conv.hpp>
#include <Main/fg_props.hxx>
NewGUI::init ()
{
setStyle();
- char path1[1024];
- char path2[1024];
- ulMakePath(path1, globals->get_fg_root().c_str(), "gui");
- ulMakePath(path2, path1, "dialogs");
- readDir(path2);
+ SGPath p(globals->get_fg_root(), "gui/dialogs");
+ readDir(p);
_menubar->init();
}
_menubar->hide();
}
-static bool
-test_extension (const char * path, const char * ext)
-{
- int pathlen = strlen(path);
- int extlen = strlen(ext);
-
- for (int i = 1; i <= pathlen && i <= extlen; i++) {
- if (path[pathlen-i] != ext[extlen-i])
- return false;
- }
- return true;
-}
-
void
NewGUI::newDialog (SGPropertyNode* props)
{
}
void
-NewGUI::readDir (const char * path)
+NewGUI::readDir (const SGPath& path)
{
- ulDir * dir = ulOpenDir(path);
-
- if (dir == 0) {
- SG_LOG(SG_GENERAL, SG_ALERT, "Failed to read GUI files from "
- << path);
- return;
- }
-
- for (ulDirEnt * dirEnt = ulReadDir(dir);
- dirEnt != 0;
- dirEnt = ulReadDir(dir)) {
-
- char subpath[1024];
-
- ulMakePath(subpath, path, dirEnt->d_name);
-
- if (!dirEnt->d_isdir && test_extension(subpath, ".xml")) {
- SGPropertyNode * props = new SGPropertyNode;
- try {
- readProperties(subpath, props);
- } catch (const sg_exception &) {
- SG_LOG(SG_INPUT, SG_ALERT, "Error parsing dialog "
- << subpath);
- delete props;
- continue;
- }
- SGPropertyNode *nameprop = props->getNode("name");
- if (!nameprop) {
- SG_LOG(SG_INPUT, SG_WARN, "dialog " << subpath
- << " has no name; skipping.");
- delete props;
- continue;
- }
- string name = nameprop->getStringValue();
- if (_dialog_props[name])
- delete (SGPropertyNode *)_dialog_props[name];
-
- _dialog_props[name] = props;
- }
+ simgear::Dir dir(path);
+ simgear::PathList xmls = dir.children(simgear::Dir::TYPE_FILE, ".xml");
+
+ for (unsigned int i=0; i<xmls.size(); ++i) {
+ SGPropertyNode * props = new SGPropertyNode;
+ try {
+ readProperties(xmls[i].str(), props);
+ } catch (const sg_exception &) {
+ SG_LOG(SG_INPUT, SG_ALERT, "Error parsing dialog "
+ << xmls[i].str());
+ delete props;
+ continue;
+ }
+ SGPropertyNode *nameprop = props->getNode("name");
+ if (!nameprop) {
+ SG_LOG(SG_INPUT, SG_WARN, "dialog " << xmls[i].str()
+ << " has no name; skipping.");
+ delete props;
+ continue;
+ }
+ string name = nameprop->getStringValue();
+ _dialog_props[name] = props;
}
- ulCloseDir(dir);
}
// FGColor class.
////////////////////////////////////////////////////////////////////////
+void
+FGColor::print() const {
+ std::cerr << "red=" << _red << ", green=" << _green
+ << ", blue=" << _blue << ", alpha=" << _alpha << std::endl;
+}
+
bool
FGColor::merge(const SGPropertyNode *node)
{
// FGFontCache class.
////////////////////////////////////////////////////////////////////////
-static const struct {
- char *name;
+namespace
+{
+struct GuiFont
+{
+ const char *name;
puFont *font;
-} guifonts[] = {
+ struct Predicate
+ : public std::unary_function<const GuiFont, bool>
+ {
+ Predicate(const char* name_) : name(name_) {}
+ bool operator() (const GuiFont& f1) const
+ {
+ return std::strcmp(f1.name, name) == 0;
+ }
+ const char* name;
+ };
+};
+
+const GuiFont guifonts[] = {
{ "default", &FONT_HELVETICA_14 },
{ "FIXED_8x13", &PUFONT_8_BY_13 },
{ "FIXED_9x15", &PUFONT_9_BY_15 },
{ "HELVETICA_12", &PUFONT_HELVETICA_12 },
{ "HELVETICA_14", &FONT_HELVETICA_14 },
{ "HELVETICA_18", &PUFONT_HELVETICA_18 },
- { "SANS_12B", &FONT_SANS_12B },
- { 0, 0 }
+ { "SANS_12B", &FONT_SANS_12B }
};
+const GuiFont* guifontsEnd = &guifonts[sizeof(guifonts)/ sizeof(guifonts[0])];
+}
FGFontCache::FGFontCache() :
_initialized(false)
FGFontCache::~FGFontCache()
{
- map<const string, fnt *>::iterator it, end = _fonts.end();
- for (it = _fonts.begin(); it != end; ++it)
+ PuFontMap::iterator it, end = _puFonts.end();
+ for (it = _puFonts.begin(); it != end; ++it)
delete it->second;
}
+inline bool FGFontCache::FntParamsLess::operator()(const FntParams& f1,
+ const FntParams& f2) const
+{
+ int comp = f1.name.compare(f2.name);
+ if (comp < 0)
+ return true;
+ else if (comp > 0)
+ return false;
+ if (f1.size < f2.size)
+ return true;
+ else if (f1.size > f2.size)
+ return false;
+ return f1.slant < f2.slant;
+}
+
struct FGFontCache::fnt *
FGFontCache::getfnt(const char *name, float size, float slant)
{
- _itt_t it;
- if ((it = _fonts.find(name)) != _fonts.end())
- return it->second;
-
- SGPath path = getfntpath(name);
-
- fnt *f = new fnt();
- f->texfont = new fntTexFont;
-
- if (f->texfont->load((char *)path.c_str())) {
+ string fontName = boost::to_lower_copy(string(name));
+ FntParams fntParams(fontName, size, slant);
+ PuFontMap::iterator i = _puFonts.find(fntParams);
+ if (i != _puFonts.end()) {
+ // found in the puFonts map, all done
+ return i->second;
+ }
+
+ // fntTexFont s are all preloaded into the _texFonts map
+ TexFontMap::iterator texi = _texFonts.find(fontName);
+ fntTexFont* texfont = NULL;
+ puFont* pufont = NULL;
+ if (texi != _texFonts.end()) {
+ texfont = texi->second;
+ } else {
+ // check the built-in PUI fonts (in guifonts array)
+ const GuiFont* guifont = std::find_if(&guifonts[0], guifontsEnd,
+ GuiFont::Predicate(name));
+ if (guifont != guifontsEnd) {
+ pufont = guifont->font;
+ }
+ }
+
+ fnt* f = new fnt;
+ if (pufont) {
+ f->pufont = pufont;
+ } else if (texfont) {
+ f->texfont = texfont;
f->pufont = new puFont;
f->pufont->initialize(static_cast<fntFont *>(f->texfont), size, slant);
- return _fonts[name] = f;
+ } else {
+ f->pufont = guifonts[0].font;
}
-
- delete f;
- return _fonts["default"];
+ _puFonts[fntParams] = f;
+ return f;
}
puFont *
return get(name, size, slant);
}
-SGPath
-FGFontCache::getfntpath(const char *name)
+void FGFontCache::init()
{
- if (!_initialized) {
- char *envp = ::getenv("FG_FONTS");
- if (envp != NULL) {
- _path.set(envp);
- } else {
- _path.set(globals->get_fg_root());
- _path.append("Fonts");
- }
-
- for (int i = 0; guifonts[i].name; i++)
- _fonts[guifonts[i].name] = new fnt(guifonts[i].font);
-
- _initialized = true;
+ if (_initialized) {
+ return;
+ }
+
+ char *envp = ::getenv("FG_FONTS");
+ if (envp != NULL) {
+ _path.set(envp);
+ } else {
+ _path.set(globals->get_fg_root());
+ _path.append("Fonts");
}
+ _initialized = true;
+}
+SGPath
+FGFontCache::getfntpath(const char *name)
+{
+ init();
SGPath path(_path);
if (name && std::string(name) != "") {
path.append(name);
path = SGPath(_path);
path.append("Helvetica.txf");
-
+ SG_LOG(SG_GENERAL, SG_WARN, "Unknown font name '" << name << "', defaulting to Helvetica");
return path;
}
+bool FGFontCache::initializeFonts()
+{
+ static string fontext("txf");
+ init();
+ ulDir* fontdir = ulOpenDir(_path.c_str());
+ if (!fontdir)
+ return false;
+ const ulDirEnt *dirEntry;
+ while ((dirEntry = ulReadDir(fontdir)) != 0) {
+ SGPath path(_path);
+ path.append(dirEntry->d_name);
+ if (path.extension() == fontext) {
+ fntTexFont* f = new fntTexFont;
+ if (f->load((char *)path.c_str())) {
+ // convert font names in the map to lowercase for matching
+ string fontName = boost::to_lower_copy(string(dirEntry->d_name));
+ _texFonts[fontName] = f;
+ } else
+ delete f;
+ }
+ }
+ ulCloseDir(fontdir);
+ return true;
+}
+
// end of new_gui.cxx