1 files changed, 120 insertions, 0 deletions
diff --git a/src-qt5/core/lumina-theme-engine/src/lthemeengine/lthemeengine.cpp b/src-qt5/core/lumina-theme-engine/src/lthemeengine/lthemeengine.cpp
index fdeb8966..cb491aa6 100644
--- a/src-qt5/core/lumina-theme-engine/src/lthemeengine/lthemeengine.cpp
+++ b/src-qt5/core/lumina-theme-engine/src/lthemeengine/lthemeengine.cpp
@@ -8,6 +8,19 @@
 
 #include <QDebug>
 
+QStringList lthemeengine::readFile(QString filepath){
+  QStringList out;
+  QFile file(filepath);
+  if(file.open(QIODevice::Text | QIODevice::ReadOnly)){
+    QTextStream in(&file);
+    while(!in.atEnd()){
+      out << in.readLine();
+    }
+    file.close();
+  }
+  return out;
+}
+
 QString lthemeengine::configPath(){
   return QDir::homePath() + "/.config/lthemeengine/";
 }
@@ -53,6 +66,20 @@ QStringList lthemeengine::sharedStyleSheetPath(){
   return dirs;
  }
 
+QString lthemeengine::userDesktopStyleSheetPath(){
+  return configPath() + "desktop_qss/";
+}
+
+QStringList lthemeengine::sharedDesktopStyleSheetPath(){
+  QStringList dirs;
+  dirs << QString(getenv("XDG_CONFIG_HOME"));
+  dirs << QString(getenv("XDG_CONFIG_DIRS")).split(":");
+  dirs << QString(getenv("XDG_DATA_DIRS")).split(":");
+  for(int i=0; i<dirs.length(); i++){ dirs[i].append("/lthemeengine/desktop_qss/"); }
+  if(dirs.isEmpty()){ dirs << LTHEMEENGINE_DATADIR"/lthemeengine/desktop_qss/"; } //no XDG settings - use the hardcoded path
+  return dirs;
+ }
+
 QString lthemeengine::userColorSchemePath(){
   return configPath() + "colors/";
 }
@@ -77,3 +104,96 @@ QString lthemeengine::systemLanguageID(){
 #endif
   return  QLocale::system().name();
 }
+
+QStringList lthemeengine::availableSystemCursors(){	//returns: [name] for each item
+  //Find all the directories which could contain themes
+ QStringList paths;
+  paths << QDir::homePath()+"/.icons";
+  QStringList xdd = QString(getenv("XDG_DATA_HOME")).split(":");
+  xdd << QString(getenv("XDG_DATA_DIRS")).split(":");
+  for(int i=0; i<xdd.length(); i++){
+    if(QFile::exists(xdd[i]+"/icons")){
+      paths << xdd[i]+"/icons";
+    }
+  }
+  //Now get all the icon themes in these directories
+  QStringList themes, tmpthemes;
+  QDir dir;
+  for(int i=0; i<paths.length(); i++){
+    if(dir.cd(paths[i])){
+       tmpthemes = dir.entryList(QDir::Dirs | QDir::NoDotAndDotDot, QDir::Name);
+       for(int j=0; j<tmpthemes.length(); j++){
+	 if(tmpthemes[j].startsWith("default")){ continue; }
+         if( QFile::exists(dir.absoluteFilePath(tmpthemes[j]+"/cursors")) ){ themes << tmpthemes[j]; }
+       }
+    }
+  }
+  //Clean up the list and return
+  themes.removeDuplicates();
+  themes.sort();
+  return themes;
+}
+
+//Return the currently-selected Cursor theme
+QString lthemeengine::currentCursor(){
+  //qDebug() << "Reading Current Cursor Theme:";
+  QStringList info = readFile(QDir::homePath()+"/.icons/default/index.theme");
+  if(info.isEmpty()){ return ""; }
+  QString cursor;
+  bool insection = false;
+  for(int i=0; i<info.length(); i++){
+    if(info[i]=="[Icon Theme]"){ insection = true; continue;}
+    else if(insection && info[i].startsWith("Inherits=")){
+      cursor = info[i].section("=",1,1).simplified();
+      break;
+    }
+  }
+  //qDebug() << " - found theme:" << cursor;
+  return cursor;
+}
+
+//Change the current Cursor Theme
+bool lthemeengine::setCursorTheme(QString cursorname){
+//qDebug() << "Set Cursor Theme:" << cursorname;
+  if(cursorname=="default"){
+    //special case - this will cause a recursive inheritance loop - just remove the file instead
+    if(QFile::exists(QDir::homePath()+"/.icons/default/index.theme")){
+      return QFile::remove(QDir::homePath()+"/.icons/default/index.theme");
+    }
+    return true; //already does not exist
+  }
+  QStringList info = readFile(QDir::homePath()+"/.icons/default/index.theme");
+    bool insection = false;
+    bool changed = false;
+    QString newval = "Inherits="+cursorname;
+    for(int i=0; i<info.length() && !changed; i++){
+      if(info[i]=="[Icon Theme]"){
+	insection = true;
+      }else if( info[i].startsWith("[") && insection){
+	//Section does not have the setting - add it
+	info.insert(i, newval);
+	changed =true;
+      }else if( info[i].startsWith("[") ){
+	insection = false;
+      }else if(insection && info[i].startsWith("Inherits=")){
+        info[i] = newval; //replace the current setting
+        changed = true;
+      }
+    } //end loop over file contents
+    if(!changed){ //Could not change the file contents for some reason
+      if(insection){ info << newval; } //end of file while in the section
+      else{ info << "[Icon Theme]" << newval; } //entire section missing from file
+    }
+    //Now save the file
+    QFile file(QDir::homePath()+"/.icons/default/index.theme");
+    bool ok = false;
+    if( file.open(QIODevice::WriteOnly | QIODevice::Truncate) ){
+      QTextStream out(&file);
+      out << info.join("\n");
+      if(!info.last().isEmpty()){ out << "\n"; } //always end with a new line
+      file.close();
+      ok = true;
+    }
+    //qDebug() << "Done saving the cursor:" << info;
+    return ok;
+}