libyui
3.0.10
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00001 /* 00002 Copyright (C) 2000-2012 Novell, Inc 00003 This library is free software; you can redistribute it and/or modify 00004 it under the terms of the GNU Lesser General Public License as 00005 published by the Free Software Foundation; either version 2.1 of the 00006 License, or (at your option) version 3.0 of the License. This library 00007 is distributed in the hope that it will be useful, but WITHOUT ANY 00008 WARRANTY; without even the implied warranty of MERCHANTABILITY or 00009 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 00010 License for more details. You should have received a copy of the GNU 00011 Lesser General Public License along with this library; if not, write 00012 to the Free Software Foundation, Inc., 51 Franklin Street, Fifth 00013 Floor, Boston, MA 02110-1301 USA 00014 */ 00015 00016 00017 /*-/ 00018 00019 File: YIconLoader.cc 00020 00021 Author: Katarína Machálková <kmachalkova@novell.com> 00022 00023 /-*/ 00024 00025 00026 #define YUILogComponent "ui" 00027 #include "YUILog.h" 00028 00029 #include <sys/stat.h> 00030 #include <sstream> 00031 00032 #include "YIconLoader.h" 00033 00034 using std::endl; 00035 00036 #define FALLBACK_ICON_PATH "/usr/share/icons/hicolor/" 00037 00038 YIconLoader::YIconLoader() 00039 { 00040 addIconSearchPath(FALLBACK_ICON_PATH); 00041 } 00042 00043 YIconLoader::~YIconLoader() 00044 { 00045 } 00046 00047 void YIconLoader::setIconBasePath( std::string path ) 00048 { 00049 _iconBasePath = path; 00050 } 00051 00052 std::string YIconLoader::iconBasePath() const 00053 { 00054 return _iconBasePath; 00055 } 00056 00057 void YIconLoader::addIconSearchPath( std::string path ) 00058 { 00059 icon_dirs.push_front( path ); 00060 } 00061 00062 std::string YIconLoader::findIcon( std::string name ) 00063 { 00064 // No extension -> add some 00065 std::string::size_type loc = name.find(".png"); 00066 if ( loc == std::string::npos ) 00067 name += ".png"; 00068 00069 // Absolute path -> return it 00070 if (name[0] == '/') 00071 return name; 00072 00073 std::string fullPath; 00074 00075 // Look in global search path 00076 if ( !_iconBasePath.empty () ) 00077 { 00078 fullPath = _iconBasePath + name; 00079 if ( fileExists ( fullPath ) ) 00080 { 00081 yuiMilestone() << "Found " << name << " in global search path" << endl; 00082 return fullPath; 00083 } 00084 } 00085 00086 // Now search the fallback dirs 00087 std::list<std::string>::iterator listIt = icon_dirs.begin(); 00088 00089 while( listIt != icon_dirs.end() ) 00090 { 00091 // Something like relative path 00092 if ( name.find('/') != std::string::npos ) 00093 fullPath = *listIt + name; 00094 // No '/' chars, just the name -> use '22x22/apps' fallback 00095 else 00096 fullPath = *listIt + "22x22/apps/" + name; 00097 00098 if ( fileExists( fullPath ) ) 00099 { 00100 yuiMilestone() << "Found " << name << " in " << *listIt << " search path" << endl; 00101 return fullPath; 00102 } 00103 00104 yuiMilestone() << name << " not found in " << *listIt << " search path, skipping" << endl; 00105 listIt++; 00106 } 00107 00108 return ""; 00109 } 00110 00111 bool YIconLoader::fileExists( std::string fname ) 00112 { 00113 struct stat fileInfo; 00114 int ret = stat (fname.c_str(), &fileInfo); 00115 00116 return ( ret == 0 ); 00117 }