diff --git a/RedPandaIDE/HighlighterManager.h b/RedPandaIDE/HighlighterManager.h
index a4b027bf..9f353130 100644
--- a/RedPandaIDE/HighlighterManager.h
+++ b/RedPandaIDE/HighlighterManager.h
@@ -16,7 +16,7 @@
  */
 #ifndef HIGHLIGHTERMANAGER_H
 #define HIGHLIGHTERMANAGER_H
-#include "highlighter/base.h"
+#include "qsynedit/highlighter/base.h"
 
 class HighlighterManager
 {
diff --git a/RedPandaIDE/colorscheme.cpp b/RedPandaIDE/colorscheme.cpp
index 39c447d5..e5f7befb 100644
--- a/RedPandaIDE/colorscheme.cpp
+++ b/RedPandaIDE/colorscheme.cpp
@@ -22,7 +22,7 @@
 #include <QJsonObject>
 #include "utils.h"
 #include "settings.h"
-#include "Constants.h"
+#include "qsynedit/Constants.h"
 
 
 ColorManager * pColorManager;
diff --git a/RedPandaIDE/colorscheme.h b/RedPandaIDE/colorscheme.h
index 69d4d1a1..1d50b85e 100644
--- a/RedPandaIDE/colorscheme.h
+++ b/RedPandaIDE/colorscheme.h
@@ -18,7 +18,7 @@
 #define COLORSCHEME_H
 
 #include <QColor>
-#include "highlighter/base.h"
+#include "qsynedit/highlighter/base.h"
 #include "parser/statementmodel.h"
 
 #define EXT_COLOR_SCHEME ".scheme"
diff --git a/RedPandaIDE/compiler/compiler.cpp b/RedPandaIDE/compiler/compiler.cpp
index 2cddb4e7..fe515d56 100644
--- a/RedPandaIDE/compiler/compiler.cpp
+++ b/RedPandaIDE/compiler/compiler.cpp
@@ -30,7 +30,7 @@
 #include "../editorlist.h"
 #include "../parser/cppparser.h"
 #include "../autolinkmanager.h"
-#include "charsetinfo.h"
+#include "qt_utils/charsetinfo.h"
 #include "../project.h"
 
 #define COMPILE_PROCESS_END "---//END//----"
diff --git a/RedPandaIDE/compiler/compilermanager.cpp b/RedPandaIDE/compiler/compilermanager.cpp
index 72906135..06772f3c 100644
--- a/RedPandaIDE/compiler/compilermanager.cpp
+++ b/RedPandaIDE/compiler/compilermanager.cpp
@@ -25,7 +25,7 @@
 #include <QMessageBox>
 #include <QUuid>
 #include "projectcompiler.h"
-#include "charsetinfo.h"
+#include "qt_utils/charsetinfo.h"
 
 enum RunProgramFlag {
     RPF_PAUSE_CONSOLE =     0x0001,
diff --git a/RedPandaIDE/compiler/projectcompiler.cpp b/RedPandaIDE/compiler/projectcompiler.cpp
index 079be2c2..0bc52934 100644
--- a/RedPandaIDE/compiler/projectcompiler.cpp
+++ b/RedPandaIDE/compiler/projectcompiler.cpp
@@ -18,7 +18,7 @@
 #include "../project.h"
 #include "compilermanager.h"
 #include "../systemconsts.h"
-#include "charsetinfo.h"
+#include "qt_utils/charsetinfo.h"
 #include "../editor.h"
 
 #include <QDir>
diff --git a/RedPandaIDE/compiler/stdincompiler.cpp b/RedPandaIDE/compiler/stdincompiler.cpp
index 23a1cc46..8238c6c5 100644
--- a/RedPandaIDE/compiler/stdincompiler.cpp
+++ b/RedPandaIDE/compiler/stdincompiler.cpp
@@ -19,7 +19,7 @@
 #include <QFile>
 #include <QFileInfo>
 #include <QTextCodec>
-#include "charsetinfo.h"
+#include "qt_utils/charsetinfo.h"
 
 StdinCompiler::StdinCompiler(const QString &filename,const QByteArray& encoding, const QString& content,bool silent, bool onlyCheckSyntax):
     Compiler(filename,silent, onlyCheckSyntax),
diff --git a/RedPandaIDE/editor.h b/RedPandaIDE/editor.h
index 9c5e3290..6747a631 100644
--- a/RedPandaIDE/editor.h
+++ b/RedPandaIDE/editor.h
@@ -20,7 +20,7 @@
 #include <QObject>
 #include <utils.h>
 #include <QTabWidget>
-#include "SynEdit.h"
+#include "qsynedit/SynEdit.h"
 #include "colorscheme.h"
 #include "common.h"
 #include "parser/cppparser.h"
diff --git a/RedPandaIDE/parser/cppparser.cpp b/RedPandaIDE/parser/cppparser.cpp
index d29055ab..0a4375e3 100644
--- a/RedPandaIDE/parser/cppparser.cpp
+++ b/RedPandaIDE/parser/cppparser.cpp
@@ -17,7 +17,7 @@
 #include "cppparser.h"
 #include "parserutils.h"
 #include "../utils.h"
-#include "../qsynedit/highlighter/cpp.h"
+#include "qsynedit/highlighter/cpp.h"
 
 #include <QApplication>
 #include <QDate>
diff --git a/RedPandaIDE/project.cpp b/RedPandaIDE/project.cpp
index 67b814b0..2f2e4704 100644
--- a/RedPandaIDE/project.cpp
+++ b/RedPandaIDE/project.cpp
@@ -21,7 +21,7 @@
 #include "editorlist.h"
 #include <parser/cppparser.h>
 #include "utils.h"
-#include "charsetinfo.h"
+#include "qt_utils/charsetinfo.h"
 #include "projecttemplate.h"
 #include "systemconsts.h"
 #include "iconsmanager.h"
diff --git a/RedPandaIDE/settings.h b/RedPandaIDE/settings.h
index 94259223..0ede6e28 100644
--- a/RedPandaIDE/settings.h
+++ b/RedPandaIDE/settings.h
@@ -25,7 +25,7 @@
 #include <QPair>
 #include "qsynedit/SynEdit.h"
 #include "compiler/compilerinfo.h"
-#include "qt_utils/utils.h"
+#include "utils.h"
 
 /**
  * use the following command to get gcc's default bin/library folders:
diff --git a/RedPandaIDE/settingsdialog/editormiscwidget.cpp b/RedPandaIDE/settingsdialog/editormiscwidget.cpp
index a4ac663a..5f75284a 100644
--- a/RedPandaIDE/settingsdialog/editormiscwidget.cpp
+++ b/RedPandaIDE/settingsdialog/editormiscwidget.cpp
@@ -17,7 +17,7 @@
 #include "editormiscwidget.h"
 #include "ui_editormiscwidget.h"
 #include "../settings.h"
-#include "../platform.h"
+#include "qt_utils/charsetinfo.h"
 #include "../mainwindow.h"
 
 EditorMiscWidget::EditorMiscWidget(const QString& name, const QString& group,
diff --git a/RedPandaIDE/utils.cpp b/RedPandaIDE/utils.cpp
new file mode 100644
index 00000000..141987db
--- /dev/null
+++ b/RedPandaIDE/utils.cpp
@@ -0,0 +1,357 @@
+#include "utils.h"
+#include "systemconsts.h"
+#include <QDate>
+#include <QDateTime>
+#include "editor.h"
+#include "editorlist.h"
+#include "settings.h"
+#include "mainwindow.h"
+#include "project.h"
+#include "parser/cppparser.h"
+#ifdef Q_OS_WIN
+#include <QMimeDatabase>
+#include <windows.h>
+#endif
+
+QStringList splitProcessCommand(const QString &cmd)
+{
+    QStringList result;
+    SplitProcessCommandQuoteType quoteType = SplitProcessCommandQuoteType::None;
+    int i=0;
+    QString current;
+    while (i<cmd.length()) {
+        switch (cmd[i].unicode()) {
+        case ' ':
+        case '\t':
+        case '\r':
+        case '\n':
+            if (quoteType == SplitProcessCommandQuoteType::None) {
+                if (!current.isEmpty()) {
+                    result.append(current);
+                }
+                current = "";
+            } else {
+                current += cmd[i];
+            }
+            i++;
+            break;
+        case '\"':
+            switch(quoteType) {
+            case SplitProcessCommandQuoteType::None:
+                quoteType = SplitProcessCommandQuoteType::Double;
+                break;
+            case SplitProcessCommandQuoteType::Double:
+                quoteType = SplitProcessCommandQuoteType::None;
+                break;
+            default:
+                current+=cmd[i];
+            }
+            i++;
+            break;
+        case '\'':
+            switch(quoteType) {
+            case SplitProcessCommandQuoteType::None:
+                quoteType = SplitProcessCommandQuoteType::Single;
+                break;
+            case SplitProcessCommandQuoteType::Single:
+                quoteType = SplitProcessCommandQuoteType::None;
+                break;
+            default:
+                current+=cmd[i];
+            }
+            i++;
+            break;
+        case '\\':
+            current += cmd[i];
+            i++;
+            if  (i<cmd.length()) {
+                current += cmd[i];
+                i++;
+            }
+            break;
+        default:
+            current += cmd[i];
+            i++;
+        }
+    }
+    if (!current.isEmpty())
+        result.append(current);
+    return result;
+}
+
+FileType getFileType(const QString &filename)
+{
+    if (filename.endsWith(".dev",PATH_SENSITIVITY)) {
+        return FileType::Project;
+    }
+    if (filename.endsWith(".C")) {
+        return FileType::CppSource;
+    }
+    if (filename.endsWith(".CPP")) {
+        return FileType::CppSource;
+    }
+    if (filename.endsWith(".c",PATH_SENSITIVITY)) {
+        return FileType::CSource;
+    }
+    if (filename.endsWith(".cpp",PATH_SENSITIVITY)) {
+        return FileType::CppSource;
+    }
+    if (filename.endsWith(".cc",PATH_SENSITIVITY)) {
+        return FileType::CppSource;
+    }
+    if (filename.endsWith(".cxx",PATH_SENSITIVITY)) {
+        return FileType::CppSource;
+    }
+    if (filename.endsWith(".c++",PATH_SENSITIVITY)) {
+        return FileType::CppSource;
+    }
+    if (filename.endsWith(".H")) {
+        return FileType::CHeader;
+    }
+    if (filename.endsWith(".h",PATH_SENSITIVITY)) {
+        return FileType::CHeader;
+    }
+    if (filename.endsWith(".hpp",PATH_SENSITIVITY)) {
+        return FileType::CppHeader;
+    }
+    if (filename.endsWith(".hh",PATH_SENSITIVITY)) {
+        return FileType::CppHeader;
+    }
+    if (filename.endsWith(".hxx",PATH_SENSITIVITY)) {
+        return FileType::CppHeader;
+    }
+    if (filename.endsWith(".inl",PATH_SENSITIVITY)) {
+        return FileType::CppHeader;
+    }
+    if (filename.endsWith(".rc",PATH_SENSITIVITY)) {
+        return FileType::WindowsResourceSource;
+    }
+    if (filename.endsWith(".in",PATH_SENSITIVITY)) {
+        return FileType::Text;
+    }
+    if (filename.endsWith(".out",PATH_SENSITIVITY)) {
+        return FileType::Text;
+    }
+    if (filename.endsWith(".txt",PATH_SENSITIVITY)) {
+        return FileType::Text;
+    }
+    if (filename.endsWith(".dat",PATH_SENSITIVITY)) {
+        return FileType::Text;
+    }
+    QMimeDatabase db;
+    QMimeType mimeType=db.mimeTypeForFile(filename);
+    if (mimeType.isValid() && mimeType.name().startsWith("text/")) {
+        return FileType::Text;
+    }
+    return FileType::Other;
+}
+
+QString genMakePath(const QString &fileName, bool escapeSpaces, bool encloseInQuotes)
+{
+    QString result = fileName;
+
+    // Convert backslashes to slashes
+    result.replace('\\','/');
+    if (escapeSpaces) {
+        result.replace(' ',"\\ ");
+    }
+    if (encloseInQuotes)
+        if (result.contains(' '))
+            result = '"'+result+'"';
+    return result;
+}
+
+QString genMakePath1(const QString &fileName)
+{
+    return genMakePath(fileName, false, true);
+}
+
+QString genMakePath2(const QString &fileName)
+{
+    return genMakePath(fileName, true, false);
+}
+
+QString getCompiledExecutableName(const QString& filename)
+{
+    return changeFileExt(filename,EXECUTABLE_EXT);
+}
+
+bool programHasConsole(const QString & filename)
+{
+#ifdef Q_OS_WIN
+    bool result = false;
+    HANDLE handle = CreateFile(filename.toStdWString().c_str(), GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
+    if (handle != INVALID_HANDLE_VALUE) {
+        IMAGE_DOS_HEADER dos_header;
+        DWORD signature;
+        DWORD bytesread;
+        IMAGE_FILE_HEADER pe_header;
+        IMAGE_OPTIONAL_HEADER opt_header;
+
+        ReadFile(handle, &dos_header, sizeof(dos_header), &bytesread, NULL);
+        SetFilePointer(handle, dos_header.e_lfanew, NULL, 0);
+        ReadFile(handle, &signature, sizeof(signature), &bytesread, NULL);
+        ReadFile(handle, &pe_header, sizeof(pe_header), &bytesread, NULL);
+        ReadFile(handle, &opt_header, sizeof(opt_header), &bytesread, NULL);
+
+        result = (opt_header.Subsystem == IMAGE_SUBSYSTEM_WINDOWS_CUI);
+    }
+    CloseHandle(handle);
+    return result;
+#else
+    return true;
+#endif
+}
+
+QString parseMacros(const QString &s)
+{
+    QString result = s;
+    Editor *e = pMainWindow->editorList()->getEditor();
+
+    result.replace("<DEFAULT>", localizePath(QDir::currentPath()));
+    result.replace("<DEVCPP>", localizePath(pSettings->dirs().executable()));
+    result.replace("<DEVCPPVERSION>", REDPANDA_CPP_VERSION);
+    result.replace("<EXECPATH>", localizePath(pSettings->dirs().appDir()));
+    QDate today = QDate::currentDate();
+    QDateTime now = QDateTime::currentDateTime();
+
+    result.replace("<DATE>", today.toString("yyyy-MM-dd"));
+    result.replace("<DATETIME>", now.toString("yyyy-MM-dd hh:mm:ss"));
+
+    Settings::PCompilerSet compilerSet = pSettings->compilerSets().defaultSet();
+    if (compilerSet) {
+        // Only provide the first cpp include dir
+        if (compilerSet->defaultCppIncludeDirs().count()>0)
+            result.replace("<INCLUDE>", localizePath(compilerSet->defaultCppIncludeDirs().front()));
+        else
+            result.replace("<INCLUDE>","");
+
+        // Only provide the first lib dir
+        if (compilerSet->defaultLibDirs().count()>0)
+            result.replace("<LIB>", localizePath(compilerSet->defaultLibDirs().front()));
+        else
+            result.replace("<LIB>","");
+    }
+
+    if (e!=nullptr && !e->inProject()) { // Non-project editor macros
+            result.replace("<EXENAME>", extractFileName(changeFileExt(e->filename(),EXECUTABLE_EXT)));
+            result.replace("<EXEFILE>", localizePath(changeFileExt(e->filename(),EXECUTABLE_EXT)));
+            result.replace("<PROJECTNAME>", extractFileName(e->filename()));
+            result.replace("<PROJECTFILE>", localizePath(e->filename()));
+            result.replace("<PROJECTFILENAME>", extractFileName(e->filename()));
+            result.replace("<PROJECTPATH>", localizePath(extractFileDir(e->filename())));
+    } else if (pMainWindow->project()) {
+        result.replace("<EXENAME>", extractFileName(pMainWindow->project()->executable()));
+        result.replace("<EXEFILE>", localizePath(pMainWindow->project()->executable()));
+        result.replace("<PROJECTNAME>", pMainWindow->project()->name());
+        result.replace("<PROJECTFILE>", localizePath(pMainWindow->project()->filename()));
+        result.replace("<PROJECTFILENAME>", extractFileName(pMainWindow->project()->filename()));
+        result.replace("<PROJECTPATH>", localizePath(pMainWindow->project()->directory()));
+    } else {
+        result.replace("<EXENAME>", "");
+        result.replace("<EXEFILE>", "");
+        result.replace("<PROJECTNAME>", "");
+        result.replace("<PROJECTFILE>", "");
+        result.replace("<PROJECTFILENAME>", "");
+        result.replace("<PROJECTPATH>", "");
+    }
+
+    // Editor macros
+    if (e!=nullptr) {
+        result.replace("<SOURCENAME>", extractFileName(e->filename()));
+        result.replace("<SOURCEFILE>", localizePath(e->filename()));
+        result.replace("<SOURCEPATH>", localizePath(extractFileDir(e->filename())));
+        result.replace("<WORDXY>", e->wordAtCursor());
+    } else {
+        result.replace("<SOURCENAME>", "");
+        result.replace("<SOURCEFILE>", "");
+        result.replace("<SOURCEPATH>", "");
+        result.replace("<WORDXY>", "");
+    }
+    return result;
+}
+
+void resetCppParser(std::shared_ptr<CppParser> parser, int compilerSetIndex)
+{
+    if (!parser)
+        return;
+    // Configure parser
+    parser->reset();
+    //paser->enabled = pSettings-> devCodeCompletion.Enabled;
+//    CppParser.ParseLocalHeaders := devCodeCompletion.ParseLocalHeaders;
+//    CppParser.ParseGlobalHeaders := devCodeCompletion.ParseGlobalHeaders;
+    parser->setEnabled(true);
+    parser->setParseGlobalHeaders(true);
+    parser->setParseLocalHeaders(true);
+    // Set options depending on the current compiler set
+    // TODO: do this every time OnCompilerSetChanged
+    if (compilerSetIndex<0) {
+        compilerSetIndex=pSettings->compilerSets().defaultIndex();
+    }
+    Settings::PCompilerSet compilerSet = pSettings->compilerSets().getSet(compilerSetIndex);
+    parser->clearIncludePaths();
+    if (compilerSet) {
+        foreach  (const QString& file,compilerSet->CppIncludeDirs()) {
+            parser->addIncludePath(file);
+        }
+        foreach  (const QString& file,compilerSet->CIncludeDirs()) {
+            parser->addIncludePath(file);
+        }
+        foreach  (const QString& file,compilerSet->defaultCppIncludeDirs()) {
+            parser->addIncludePath(file);
+        }
+        foreach  (const QString& file,compilerSet->defaultCIncludeDirs()) {
+            parser->addIncludePath(file);
+        }
+        //TODO: Add default include dirs last, just like gcc does
+        // Set defines
+        if (parser->language()==ParserLanguage::C) {
+            for (QString define:compilerSet->CDefines()) {
+                parser->addHardDefineByLine(define); // predefined constants from -dM -E
+            }
+        } else {
+            for (QString define:compilerSet->CppDefines()) {
+                parser->addHardDefineByLine(define); // predefined constants from -dM -E
+            }
+        }
+        // add a Red Pand C++ 's own macro
+        parser->addHardDefineByLine("#define EGE_FOR_AUTO_CODE_COMPLETETION_ONLY");
+        // add C/C++ default macro
+        parser->addHardDefineByLine("#define __FILE__  1");
+        parser->addHardDefineByLine("#define __LINE__  1");
+        parser->addHardDefineByLine("#define __DATE__  1");
+        parser->addHardDefineByLine("#define __TIME__  1");
+    }
+    parser->parseHardDefines();
+    pMainWindow->disconnect(parser.get(),
+                            &CppParser::onStartParsing,
+                            pMainWindow,
+                            &MainWindow::onStartParsing);
+    pMainWindow->disconnect(parser.get(),
+                            &CppParser::onProgress,
+                            pMainWindow,
+                            &MainWindow::onParserProgress);
+    pMainWindow->disconnect(parser.get(),
+                            &CppParser::onEndParsing,
+                            pMainWindow,
+                            &MainWindow::onEndParsing);
+    pMainWindow->connect(parser.get(),
+                            &CppParser::onStartParsing,
+                            pMainWindow,
+                            &MainWindow::onStartParsing);
+    pMainWindow->connect(parser.get(),
+                            &CppParser::onProgress,
+                            pMainWindow,
+                            &MainWindow::onParserProgress);
+    pMainWindow->connect(parser.get(),
+                            &CppParser::onEndParsing,
+                            pMainWindow,
+                            &MainWindow::onEndParsing);
+}
+
+int getNewFileNumber()
+{
+    static int count = 0;
+    count++;
+    return count;
+}
diff --git a/RedPandaIDE/utils.h b/RedPandaIDE/utils.h
new file mode 100644
index 00000000..a21f158a
--- /dev/null
+++ b/RedPandaIDE/utils.h
@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 2020-2022 Roy Qu (royqh1979@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+#ifndef UTILS_H
+#define UTILS_H
+#include <type_traits>
+#include <utility>
+#include <functional>
+#include <QString>
+#include <QRect>
+#include <QStringList>
+#include <memory>
+#include <QThread>
+#include <QProcessEnvironment>
+#include "SimpleIni.h"
+#include "qt_utils/utils.h"
+
+using SimpleIni = CSimpleIniA;
+using PSimpleIni = std::shared_ptr<SimpleIni>;
+
+enum class FileType{
+    CSource, // c source file (.c)
+    CppSource, // c++ source file (.cpp)
+    CHeader, // c header (.h)
+    CppHeader, // c++ header (.hpp)
+    WindowsResourceSource, // resource source (.res)
+    Project, //Red Panda C++ Project (.dev)
+    Text, // text file
+    Other // any others
+};
+
+enum class SearchFileScope {
+    currentFile,
+    wholeProject,
+    openedFiles
+};
+
+enum AutoSaveTarget {
+    astCurrentFile,
+    astAllOpennedFiles,
+    astAllProjectFiles
+};
+
+enum AutoSaveStrategy {
+    assOverwrite,
+    assAppendUnixTimestamp,
+    assAppendFormatedTimeStamp
+};
+
+enum FormatterBraceStyle {
+    fbsDefault,
+    fbsAllman,
+    fbsJava,
+    fbsKR,
+    fbsStroustrup,
+    fbsWitesmith,
+    fbsVtk,
+    fbsRatliff,
+    fbsGNU,
+    fbsLinux,
+    fbsHorstmann,
+    fbs1TBS,
+    fbsGoogle,
+    fbsMozilla,
+    fbsWebkit,
+    fbsPico,
+    fbsLisp
+};
+
+enum FormatterOperatorAlign {
+    foaNone,
+    foaType,
+    foaMiddle,
+    foaName
+};
+
+enum FormatterIndentType {
+    fitSpace,
+    fitTab
+};
+
+enum class SplitProcessCommandQuoteType {
+    None,
+    Single,
+    Double
+};
+
+FileType getFileType(const QString& filename);
+QStringList splitProcessCommand(const QString& cmd);
+
+QString genMakePath(const QString& fileName,bool escapeSpaces, bool encloseInQuotes);
+QString genMakePath1(const QString& fileName);
+QString genMakePath2(const QString& fileName);
+QString getCompiledExecutableName(const QString& filename);
+bool programHasConsole(const QString& filename);
+
+QString parseMacros(const QString& s);
+
+class CppParser;
+void resetCppParser(std::shared_ptr<CppParser> parser, int compilerSetIndex=-1);
+
+int getNewFileNumber();
+
+#endif // UTILS_H
diff --git a/RedPandaIDE/widgets/searchresultview.h b/RedPandaIDE/widgets/searchresultview.h
index 4405e497..184ecf17 100644
--- a/RedPandaIDE/widgets/searchresultview.h
+++ b/RedPandaIDE/widgets/searchresultview.h
@@ -20,7 +20,7 @@
 #include <QTreeView>
 #include <QMap>
 #include <QStyledItemDelegate>
-#include "../qsynedit/SearchBase.h"
+#include "qsynedit/SearchBase.h"
 #include "utils.h"
 
 #define MAX_SEARCH_RESULTS 20