Allow updating of configuration or file list separately

Now it will only update the list of files when you edit [project].files,
and only reparse all files when you edit [project].config or
[project].includes. When updating the file list it will only parse the
added files.

src/plugins/cmakeprojectmanager/makestep.cpp

@@ -202,7 +202,6 @@ void MakeStep::removeDirectory(const QString &dir)
         m_openDirectories.remove(dir);
 }
 
-
 CMakeProject *MakeStep::project() const
 {
     return m_pro;

src/plugins/genericprojectmanager/genericproject.cpp

@@ -143,7 +143,7 @@ QString GenericProject::includesFileName() const
 QString GenericProject::configFileName() const
 { return m_configFileName; }
 
-QStringList GenericProject::readLines(const QString &absoluteFileName) const
+static QStringList readLines(const QString &absoluteFileName)
 {
     QStringList lines;
 
@@ -168,18 +168,18 @@ QStringList GenericProject::readLines(const QString &absoluteFileName) const
 }
 
 
-void GenericProject::parseProject()
+void GenericProject::parseProject(RefreshOptions options)
 {
-    const QFileInfo projectFileInfo(m_fileName);
+    if (options & Files) {
-
-    QSettings projectInfo(m_fileName, QSettings::IniFormat);
-
         m_files = convertToAbsoluteFiles(readLines(filesFileName()));
         m_files.removeDuplicates();
+    }
 
+    if (options & Configuration) {
         m_projectIncludePaths = readLines(includesFileName());
         m_projectIncludePaths.removeDuplicates();
 
+        QSettings projectInfo(m_fileName, QSettings::IniFormat);
         m_generated = convertToAbsoluteFiles(projectInfo.value(QLatin1String("generated")).toStringList());
 
         m_defines.clear();
@@ -187,14 +187,21 @@ void GenericProject::parseProject()
         QFile configFile(configFileName());
         if (configFile.open(QFile::ReadOnly))
             m_defines = configFile.readAll();
+    }
 
+    if (options & Files)
         emit fileListChanged();
 }
 
-void GenericProject::refresh()
+void GenericProject::refresh(RefreshOptions options)
 {
-    parseProject();
+    QSet<QString> oldFileList;
+    if (!(options & Configuration))
+        oldFileList = m_files.toSet();
 
+    parseProject(options);
+
+    if (options & Files)
         m_rootNode->refresh();
 
     CppTools::CppModelManagerInterface *modelManager =
@@ -214,7 +221,6 @@ void GenericProject::refresh()
         foreach (const ProjectExplorer::HeaderPath &headerPath, m_toolChain->systemHeaderPaths()) {
             if (headerPath.kind() == ProjectExplorer::HeaderPath::FrameworkHeaderPath)
                 allFrameworkPaths.append(headerPath.path());
-
             else
                 allIncludePaths.append(headerPath.path());
         }
@@ -228,8 +234,17 @@ void GenericProject::refresh()
         pinfo.sourceFiles = files();
         pinfo.sourceFiles += generated();
 
-        QStringList filesToUpdate = pinfo.sourceFiles;
+        QStringList filesToUpdate;
+
+        if (options & Configuration) {
+            filesToUpdate = pinfo.sourceFiles;
             filesToUpdate.append(QLatin1String("<configuration>")); // XXX don't hardcode configuration file name
+        } else if (options & Files) {
+            // Only update files that got added to the list
+            QSet<QString> newFileList = m_files.toSet();
+            newFileList.subtract(oldFileList);
+            filesToUpdate.append(newFileList.toList());
+        }
 
         modelManager->updateProjectInfo(pinfo);
         modelManager->updateSourceFiles(filesToUpdate);
@@ -450,8 +465,7 @@ void GenericProject::restoreSettingsImpl(ProjectExplorer::PersistentSettingsRead
 
     setIncludePaths(allIncludePaths());
 
-    parseProject();
+    refresh(Everything);
-    refresh();
 }
 
 void GenericProject::saveSettingsImpl(ProjectExplorer::PersistentSettingsWriter &writer)

src/plugins/genericprojectmanager/genericproject.h

@@ -94,6 +94,14 @@ public:
     QString buildParser(const QString &buildConfiguration) const;
     ProjectExplorer::ToolChain *toolChain() const;
 
+    enum RefreshOptions {
+        Files         = 0x01,
+        Configuration = 0x02,
+        Everything    = Files | Configuration
+    };
+
+    void refresh(RefreshOptions options);
+
     QStringList includePaths() const;
     void setIncludePaths(const QStringList &includePaths);
 
@@ -106,18 +114,15 @@ public:
 
 public Q_SLOTS:
     void setToolChainId(const QString &toolChainId);
-    void refresh();
 
 protected:
     virtual void saveSettingsImpl(ProjectExplorer::PersistentSettingsWriter &writer);
     virtual void restoreSettingsImpl(ProjectExplorer::PersistentSettingsReader &reader);
 
 private:
-    void parseProject();
+    void parseProject(RefreshOptions options);
     QStringList convertToAbsoluteFiles(const QStringList &paths) const;
 
-    QStringList readLines(const QString &absoluteFileName) const;
-
     Manager *m_manager;
     QString m_fileName;
     QString m_filesFileName;

src/plugins/genericprojectmanager/genericprojectmanager.cpp

@@ -79,10 +79,12 @@ void Manager::unregisterProject(GenericProject *project)
 void Manager::notifyChanged(const QString &fileName)
 {
     foreach (GenericProject *project, m_projects) {
-        if (fileName == project->filesFileName()        ||
+        if (fileName == project->filesFileName()) {
-                fileName == project->includesFileName() ||
+            project->refresh(GenericProject::Files);
-                fileName == project->configFileName())
+        }
-            project->refresh();
+        else if (fileName == project->includesFileName() ||
+                 fileName == project->configFileName()) {
+            project->refresh(GenericProject::Configuration);
+        }
     }
 }
-