* Changed file loading to fix issue #73

* Moved few functions from misc.cpp to profile.cpp (used to set/get user dir)
* Removed some warnings
* More work to change const char* to std::string
* Some work on file path to fix issue #60 with bad slashes on POSIX platform

13 files changed, 196 insertions, 252 deletions

diff --git a/src/common/misc.cpp b/src/common/misc.cpp
index 2bce3b8..b96abca 100644
--- a/src/common/misc.cpp
+++ b/src/common/misc.cpp
@@ -25,10 +25,6 @@
 #include <time.h>
 
 
-static bool         g_bUserDir = false;
-static char         g_userDir[100] = "";
-
-
 // Returns a non-accented letter.
 
 char GetNoAccent(char letter)
@@ -234,72 +230,11 @@ void TimeToAscii(time_t time, char *buffer)
 #endif*/
 }
 
-
-// Makes a copy of a file.
-
-bool Xfer(char* src, char* dst)
-{
-    FILE    *fs, *fd;
-    char    *buffer;
-    int     len;
-
-    fs = fopen(src, "rb");
-    if ( fs == 0 )
-    {
-        return false;
-    }
-
-    fd = fopen(dst, "wb");
-    if ( fd == 0 )
-    {
-        fclose(fs);
-        return false;
-    }
-
-    buffer = static_cast<char*>(malloc(10000));
-
-    while ( true )
-    {
-        len = fread(buffer, 1, 10000, fs);
-        if ( len == 0 )  break;
-        fwrite(buffer, 1, len, fd);
-    }
-
-    free(buffer);
-    fclose(fs);
-    fclose(fd);
-    return true;
-}
-
-// Copy a file into the temporary folder.
-
-bool CopyFileToTemp(char* filename)
-{
-    char    src[100];
-    char    dst[100];
-    char    save[100];
-
-    UserDir(src, filename, "textures");
-
-    strcpy(save, g_userDir);
-    strcpy(g_userDir, "temp");
-    UserDir(dst, filename, "textures");
-    strcpy(g_userDir, save);
-
-    //_mkdir("temp");
-    system("mkdir temp");
-
-    if ( !Xfer(src, dst) )  return false;
-
-    strcpy(filename, dst);
-    return true;
-}
-
 // Copy a list of numbered files into the temporary folder.
 
 bool CopyFileListToTemp(char* filename, int* list, int total)
 {
-    char    name[100];
+    /*char    name[100];
     char    ext[10];
     char    file[100];
     char    save[100];
@@ -329,8 +264,8 @@ bool CopyFileListToTemp(char* filename, int* list, int total)
     UserDir(file, filename, "textures");
     strcpy(filename, file);
     strcpy(g_userDir, save);
-
-    return true;
+*/
+    return false;
 }
 
 
@@ -342,56 +277,3 @@ void AddExt(char* filename, const char* ext)
     strcat(filename, ext);
 }
 
-
-// Specifies the user folder.
-
-void UserDir(bool bUser, const char* dir)
-{
-    g_bUserDir = bUser;
-    strcpy(g_userDir, dir);
-}
-
-// Replaces the string %user% by the user folder.
-// in:  dir = "%user%toto.txt"
-//      def = "abc\"
-// out: buffer = "abc\toto.txt"
-
-void UserDir(char* buffer, const char* dir, const char* def)
-{
-    char    ddir[100];
-    const char*   add;
-
-    if ( strstr(dir, "\\") == 0 && def[0] != 0 )
-    {
-        sprintf(ddir, "%s\\%s", def, dir);
-    }
-    else
-    {
-        strcpy(ddir, dir);
-    }
-    dir = ddir;
-
-    while ( *dir != 0 )
-    {
-        if ( dir[0] == '%' &&
-             dir[1] == 'u' &&
-             dir[2] == 's' &&
-             dir[3] == 'e' &&
-             dir[4] == 'r' &&
-             dir[5] == '%' )  // %user% ?
-        {
-            if ( g_bUserDir )  add = g_userDir;
-            else               add = def;
-
-            while ( *add != 0 )
-            {
-                *buffer++ = *add++;
-            }
-            dir += 6;  // jumps to %user%
-            continue;
-        }
-
-        *buffer++ = *dir++;
-    }
-    *buffer = 0;
-}
diff --git a/src/common/misc.h b/src/common/misc.h
index f210706..e2ddc44 100644
--- a/src/common/misc.h
+++ b/src/common/misc.h
@@ -29,8 +29,5 @@ extern char GetToLower(char letter);
 
 extern void TimeToAscii(time_t time, char *buffer);
 
-extern bool CopyFileToTemp(char* filename);
 extern bool CopyFileListToTemp(char* filename, int* list, int total);
 extern void AddExt(char* filename, const char* ext);
-extern void UserDir(bool bUser, const char* dir);
-extern void UserDir(char* buffer, const char* dir, const char* def);
diff --git a/src/common/profile.cpp b/src/common/profile.cpp
index 18cc187..2d11217 100644
--- a/src/common/profile.cpp
+++ b/src/common/profile.cpp
@@ -182,3 +182,48 @@ std::vector< std::string > CProfile::GetLocalProfileSection(std::string section,
 
     return ret_list;
 }
+
+
+void CProfile::SetUserDir(std::string dir)
+{
+    m_userDirectory = dir;
+}
+
+
+std::string CProfile::GetUserBasedPath(std::string dir, std::string default_dir)
+{
+    std::string path = dir;
+    boost::replace_all(path, "\\", "/");
+    if (dir.find("/") == std::string::npos) {
+        path = default_dir + "/" + dir;
+    }
+    
+    if (m_userDirectory.length() > 0) {
+        boost::replace_all(path, "%user%", m_userDirectory);
+    } else {
+        boost::replace_all(path, "%user%", default_dir);
+    }
+    
+    return fs::path(path).make_preferred().string();
+}
+        
+        
+bool CProfile::CopyFileToTemp(std::string filename)
+{
+    std::string src, dst;
+    std::string tmp_user_dir = m_userDirectory;
+    
+    src = GetUserBasedPath(filename, "textures");
+    SetUserDir("temp");
+    dst = GetUserBasedPath(filename, "textures");
+    SetUserDir(tmp_user_dir);
+   
+    fs::create_directory(fs::path(dst).parent_path().make_preferred().string());
+    fs::copy_file(src, dst, fs::copy_option::overwrite_if_exists);
+    if (fs::exists(dst)) {
+        return true;    
+    }
+
+    return false;
+}
+
diff --git a/src/common/profile.h b/src/common/profile.h
index 9bc6c37..bcd76c3 100644
--- a/src/common/profile.h
+++ b/src/common/profile.h
@@ -21,14 +21,20 @@
 
 #pragma once
 
-
 #include "common/singleton.h"
 
+// this is just to fix problem with undefined reference when compiling with c++11 support
+#define BOOST_NO_SCOPED_ENUMS
+
 #include <boost/property_tree/ptree.hpp>
+#include <boost/filesystem.hpp>
+#include <boost/algorithm/string/replace.hpp>
 
 #include <string>
 #include <vector>
 
+namespace fs = boost::filesystem;
+
 
 /**
 * \class CProfile
@@ -101,10 +107,30 @@ class CProfile : public CSingleton<CProfile>
          * \return vector of values
          */
         std::vector< std::string > GetLocalProfileSection(std::string section, std::string key);
+        
+        /** Sets current user directory
+         * \param dir
+         */
+        void SetUserDir(std::string dir);
+        
+        /** Returns path based on current user. Replaces %user% in path with current user dir or
+         * uses default_dir param if no user dir is specified
+         * \param dir
+         * \param default_dir
+         * \return path
+         */
+        std::string GetUserBasedPath(std::string dir, std::string default_dir);
+        
+        /** opy a file into the temporary folder.
+         * \param filename
+         * \return true on success
+         */
+        bool CopyFileToTemp(std::string filename);
 
     private:
         boost::property_tree::ptree m_propertyTree;
         bool m_profileNeedSave;
+        std::string m_userDirectory;
 };
 
 //! Global function to get profile instance
diff --git a/src/object/robotmain.cpp b/src/object/robotmain.cpp
index da6ac42..635fc4e 100644
--- a/src/object/robotmain.cpp
+++ b/src/object/robotmain.cpp
@@ -1187,7 +1187,7 @@ void CRobotMain::ChangePhase(Phase phase)
                 pe->SetFontType(Gfx::FONT_COLOBOT);
                 pe->SetEditCap(false);
                 pe->SetHiliteCap(false);
-                pe->ReadText("help/win.txt");
+                pe->ReadText(std::string("help/win.txt"));
             }
             else
             {
@@ -4094,8 +4094,9 @@ void CRobotMain::CreateScene(bool soluce, bool fixScene, bool resetObject)
         {
             OpString(line, "image", name);
             AddExt(name, ".png");
-            if (strstr(name, "%user%") != 0)
-                CopyFileToTemp(name);
+            if (strstr(name, "%user%") != 0) {
+                GetProfile().CopyFileToTemp(std::string(name));
+            }
 
             m_terrain->AddMaterial(OpInt(line, "id", 0),
                                    name,
diff --git a/src/script/script.cpp b/src/script/script.cpp
index e8926d2..a62866d 100644
--- a/src/script/script.cpp
+++ b/src/script/script.cpp
@@ -3900,7 +3900,7 @@ bool CScript::WriteScript(const char* filename)
     edit->SetMaxChar(Ui::EDITSTUDIOMAX);
     edit->SetAutoIndent(m_engine->GetEditIndentMode());
     edit->SetText(m_script);
-    edit->WriteText(name.c_str());
+    edit->WriteText(name);
     m_interface->DeleteControl(EVENT_EDIT9);
     return true;
 }
diff --git a/src/ui/displayinfo.cpp b/src/ui/displayinfo.cpp
index 9a31956..5c41f65 100644
--- a/src/ui/displayinfo.cpp
+++ b/src/ui/displayinfo.cpp
@@ -671,7 +671,7 @@ void CDisplayInfo::ChangeIndexButton(int index)
     {
         filename = m_main->GetDisplayInfoName(m_index);
         edit->ReadText(filename);
-        edit->HyperHome(filename);
+        edit->HyperHome(std::string(filename));
         SetPosition(m_main->GetDisplayInfoPosition(m_index));
     }
 
diff --git a/src/ui/edit.cpp b/src/ui/edit.cpp
index c0b6446..a96d231 100644
--- a/src/ui/edit.cpp
+++ b/src/ui/edit.cpp
@@ -560,7 +560,7 @@ bool CEdit::IsLinkPos(Math::Point pos)
     if ( i == -1 )  return false;
     if ( i >= m_len )  return false;
 
-    if ( m_format.size() > i && ((m_format[i] & Gfx::FONT_MASK_HIGHLIGHT) == Gfx::FONT_HIGHLIGHT_LINK))  return true; // TODO
+    if ( m_format.size() > static_cast<unsigned int>(i) && ((m_format[i] & Gfx::FONT_MASK_HIGHLIGHT) == Gfx::FONT_HIGHLIGHT_LINK))  return true; // TODO
     return false;
 }
 
@@ -760,7 +760,7 @@ void CEdit::HyperFlush()
 
 // Indicates which is the home page.
 
-void CEdit::HyperHome(const char *filename)
+void CEdit::HyperHome(std::string filename)
 {
     HyperFlush();
     HyperAdd(filename, 0);
@@ -768,10 +768,10 @@ void CEdit::HyperHome(const char *filename)
 
 // Performs a hyper jump through a link.
 
-void CEdit::HyperJump(const char *name, const char *marker)
+void CEdit::HyperJump(std::string name, std::string marker)
 {
-    char    filename[100];
-    char    sMarker[100];
+    std::string filename;
+    std:: string sMarker;
     int     i, line, pos;
 
     if ( m_historyCurrent >= 0 )
@@ -779,18 +779,17 @@ void CEdit::HyperJump(const char *name, const char *marker)
         m_history[m_historyCurrent].firstLine = m_lineFirst;
     }
 
-    strcpy(sMarker, marker);
+    sMarker = marker;
 
 //? sprintf(filename, "help\\%s.txt", name);
-    if ( name[0] == '%' )
-    {
-        UserDir(filename, name, "");
-        strcat(filename, ".txt");
-    }
-    else
-    {
-        sprintf(filename, "help\\%s.txt", name);
+      
+    if ( name[0] == '%' ) {
+        filename = GetProfile().GetUserBasedPath(name, "") + ".txt";
+    } else {
+        std::string path = CApplication::GetInstancePointer()->GetDataDirPath() + "/help/" + name + ".txt";
+        filename = fs::path(path).generic_string();
     }
+    
     if ( ReadText(filename) )
     {
         Justif();
@@ -798,7 +797,7 @@ void CEdit::HyperJump(const char *name, const char *marker)
         line = 0;
         for ( i=0 ; i<m_markerTotal ; i++ )
         {
-            if ( strcmp(sMarker, m_marker[i].name) == 0 )
+            if (sMarker == m_marker[i].name)
             {
                 pos = m_marker[i].pos;
                 for ( i=0 ; i<m_lineTotal ; i++ )
@@ -819,12 +818,12 @@ void CEdit::HyperJump(const char *name, const char *marker)
 
 // Adds text to the history of visited.
 
-bool CEdit::HyperAdd(const char *filename, int firstLine)
+bool CEdit::HyperAdd(std::string filename, int firstLine)
 {
     if ( m_historyCurrent >= EDITHISTORYMAX-1 )  return false;
 
     m_historyCurrent ++;
-    strcpy(m_history[m_historyCurrent].filename, filename);
+    m_history[m_historyCurrent].filename = filename;
     m_history[m_historyCurrent].firstLine = firstLine;
 
     m_historyTotal = m_historyCurrent+1;
@@ -1136,16 +1135,14 @@ void CEdit::Draw()
 
 // Draw an image part.
 
-void CEdit::DrawImage(Math::Point pos, const char *name, float width,
+void CEdit::DrawImage(Math::Point pos, std::string name, float width,
                       float offset, float height, int nbLine)
 {
-    Math::Point     uv1, uv2, dim;
-    float       dp;
-    char        filename[100];
+    Math::Point uv1, uv2, dim;
+    float dp;
+    std::string filename;
 
-//? sprintf(filename, "diagram\\%s.png", name);
-    UserDir(filename, name, "diagram");
-    strcat(filename, ".png");
+    filename = GetProfile().GetUserBasedPath(name, "diagram") + ".png";
 
     m_engine->SetTexture(filename);
     m_engine->SetState(Gfx::ENG_RSTATE_NORMAL);
@@ -1389,77 +1386,64 @@ int CEdit::GetTextLength()
 // Returns a name in a command.
 // \x nom1 nom2 nom3;
 
-void GetNameParam(const char *cmd, int rank, char *buffer)
+std::string GetNameParam(std::string cmd, int rank)
 {
-    int     i;
-
-    for ( i=0 ; i<rank ; i++ )
-    {
-        while ( *cmd != ' ' && *cmd != ';' )
-        {
-            cmd ++;
-        }
-        if ( *cmd != ';' )  cmd ++;
+    std::vector<std::string> results;    
+    boost::split(results, cmd, boost::is_any_of(" ;"));
+    
+    if (results.size() > static_cast<unsigned int>(rank)) {
+        return results.at(rank);
     }
 
-    while ( *cmd != ' ' && *cmd != ';' )
-    {
-        *buffer++ = *cmd++;
-    }
-    *buffer = 0;
+    return "";
 }
 
 // Returns a number of a command.
 // \x nom n1 n2;
 
-int GetValueParam(const char *cmd, int rank)
+int GetValueParam(std::string cmd, int rank)
 {
-    int     n, i;
-
-    for ( i=0 ; i<rank ; i++ )
-    {
-        while ( *cmd != ' ' && *cmd != ';' )
-        {
-            cmd ++;
+    std::vector<std::string> results;    
+    boost::split(results, cmd, boost::is_any_of(" ;"));
+    int return_value = 0;
+    
+    if (results.size() > static_cast<unsigned int>(rank)) {
+        try {
+            return_value = std::stoi(results.at(rank));
+        } catch (std::invalid_argument &e) {
+            GetLogger()->Error("Exception std::invalid_argument caught in GetValueParam function");
+        } catch (std::out_of_range  &e) {
+            GetLogger()->Error("Exception std::out_of_range caught in GetValueParam function");
         }
-        if ( *cmd != ';' )  cmd ++;
     }
 
-    sscanf(cmd, "%d", &n);
-    return n;
+    return return_value;
 }
 
 // Frees all images.
 
 void CEdit::FreeImage()
 {
-    char    filename[100];
-    int     i;
+    std::string filename;
 
-    for ( i=0 ; i<m_imageTotal ; i++ )
-    {
-//?     sprintf(filename, "diagram\\%s.png", m_image[i].name);
-        UserDir(filename, m_image[i].name, "diagram");
-        strcat(filename, ".png");
+    for (int i = 0 ; i < m_imageTotal; i++ ) {
+        filename = GetProfile().GetUserBasedPath(m_image[i].name, "diagram") + ".png";
         m_engine->DeleteTexture(filename);
     }
 }
 
 // Reads the texture of an image.
 
-void CEdit::LoadImage(const char *name)
+void CEdit::LoadImage(std::string name)
 {
-    char    filename[100];
-
-//? sprintf(filename, "diagram\\%s.png", name);
-    UserDir(filename, name, "diagram");
-    strcat(filename, ".png");
+    std::string filename;
+    filename = GetProfile().GetUserBasedPath(name, "diagram") + ".png";
     m_engine->LoadTexture(filename);
 }
 
 // Read from a text file.
 
-bool CEdit::ReadText(const char *filename, int addSize)
+bool CEdit::ReadText(std::string filename, int addSize)
 {
     FILE        *file = NULL;
     char        *buffer;
@@ -1471,7 +1455,7 @@ bool CEdit::ReadText(const char *filename, int addSize)
     bool        bInSoluce, bBOL;
 
     if ( filename[0] == 0 )  return false;
-    file = fopen(filename, "rb");
+    file = fopen(filename.c_str(), "rb");
     if ( file == NULL )  return false;
 
     fseek(file, 0, SEEK_END);
@@ -1605,8 +1589,8 @@ bool CEdit::ReadText(const char *filename, int addSize)
             {
                 if ( iLink < EDITLINKMAX )
                 {
-                    GetNameParam(buffer+i+3, 0, m_link[iLink].name);
-                    GetNameParam(buffer+i+3, 1, m_link[iLink].marker);
+                    m_link[iLink].name = GetNameParam(buffer+i+3, 0);
+                    m_link[iLink].marker = GetNameParam(buffer+i+3, 1);
                     iLink ++;
                 }
                 font &= ~Gfx::FONT_MASK_HIGHLIGHT;
@@ -1622,7 +1606,7 @@ bool CEdit::ReadText(const char *filename, int addSize)
             {
                 if ( m_markerTotal < EDITLINKMAX )
                 {
-                    GetNameParam(buffer+i+3, 0, m_marker[m_markerTotal].name);
+                    m_marker[m_markerTotal].name = GetNameParam(buffer+i+3, 0);
                     m_marker[m_markerTotal].pos = j;
                     m_markerTotal ++;
                 }
@@ -1640,21 +1624,19 @@ bool CEdit::ReadText(const char *filename, int addSize)
         {
             if ( m_bSoluce || !bInSoluce )
             {
-#if _DEMO
-                strcpy(iName, "demo");
-#else
-                GetNameParam(buffer+i+7, 0, iName);
-#endif
+
+                strcpy(iName, GetNameParam(buffer+i+7, 0).c_str());
+
 //?             iWidth = m_lineHeight*RetValueParam(buffer+i+7, 1);
                 iWidth = static_cast<float>(GetValueParam(buffer+i+7, 1));
                 iWidth *= m_engine->GetText()->GetHeight(Gfx::FONT_COLOBOT, Gfx::FONT_SIZE_SMALL);
                 iLines = GetValueParam(buffer+i+7, 2);
-                LoadImage(iName);
+                LoadImage(std::string(iName));
 
                 // A part of image per line of text.
                 for ( iCount=0 ; iCount<iLines ; iCount++ )
                 {
-                    strcpy(m_image[iIndex].name, iName);
+                    m_image[iIndex].name = iName;
                     m_image[iIndex].offset = static_cast<float>(iCount/iLines);
                     m_image[iIndex].height = 1.0f/iLines;
                     m_image[iIndex].width = iWidth*0.75f;
@@ -1888,7 +1870,7 @@ bool CEdit::ReadText(const char *filename, int addSize)
 
 // Writes all the text in a file.
 
-bool CEdit::WriteText(const char *filename)
+bool CEdit::WriteText(std::string filename)
 {
     FILE*       file;
     char        buffer[1000+20];
@@ -1896,7 +1878,7 @@ bool CEdit::WriteText(const char *filename)
     float       iDim;
 
     if ( filename[0] == 0 )  return false;
-    file = fopen(filename, "wb");
+    file = fopen(filename.c_str(), "wb");
     if ( file == NULL )  return false;
 
     if ( m_bAutoIndent )
diff --git a/src/ui/edit.h b/src/ui/edit.h
index 8f46445..72423fa 100644
--- a/src/ui/edit.h
+++ b/src/ui/edit.h
@@ -35,7 +35,12 @@
 #include "common/restext.h"
 
 #include <set>
+#include <string>
 
+#include <boost/filesystem.hpp>
+#include <boost/algorithm/string.hpp>
+
+namespace fs = boost::filesystem;
 
 
 namespace Ui {
@@ -84,7 +89,7 @@ enum OperUndo
 struct ImageLine
 {
     //! name of the image (without diagram \)
-    char    name[40];
+    std::string    name;
     //! vertical offset (v texture)
     float   offset;
     //! height of the part (dv texture)
@@ -96,15 +101,15 @@ struct ImageLine
 struct HyperLink
 {
     //! text file name (without help \)
-    char    name[40];
+    std::string    name;
     //! name of the marker
-    char    marker[20];
+    std::string    marker;
 };
 
 struct HyperMarker
 {
     //! name of the marker
-    char    name[20];
+    std::string    name;
     //! position in the text
     int pos;
 };
@@ -112,7 +117,7 @@ struct HyperMarker
 struct HyperHistory
 {
     //! full file name text
-    char    filename[50];
+    std::string    filename;
     //! rank of the first displayed line
     int firstLine;
 };
@@ -140,8 +145,8 @@ public:
     char*       GetText();
     int         GetTextLength();
 
-    bool        ReadText(const char *filename, int addSize=0);
-    bool        WriteText(const char *filename);
+    bool        ReadText(std::string filename, int addSize=0);
+    bool        WriteText(std::string filename);
 
     void        SetMaxChar(int max);
     int         GetMaxChar();
@@ -183,7 +188,7 @@ public:
     bool        Undo();
 
     void        HyperFlush();
-    void        HyperHome(const char *filename);
+    void        HyperHome(std::string filename);
     bool        HyperTest(EventType event);
     bool        HyperGo(EventType event);
 
@@ -202,15 +207,15 @@ protected:
     int         MouseDetect(Math::Point mouse);
     void        MoveAdjust();
 
-    void        HyperJump(const char *name, const char *marker);
-    bool        HyperAdd(const char *filename, int firstLine);
+    void        HyperJump(std::string name, std::string marker);
+    bool        HyperAdd(std::string filename, int firstLine);
 
-    void        DrawImage(Math::Point pos, const char *name, float width, float offset, float height, int nbLine);
+    void        DrawImage(Math::Point pos, std::string name, float width, float offset, float height, int nbLine);
     void        DrawBack(Math::Point pos, Math::Point dim);
     void        DrawPart(Math::Point pos, Math::Point dim, int icon);
 
     void        FreeImage();
-    void        LoadImage(const char *name);
+    void        LoadImage(std::string name);
     void        Scroll(int pos, bool bAdjustCursor);
     void        Scroll();
     void        MoveChar(int move, bool bWord, bool bSelect);
diff --git a/src/ui/maindialog.cpp b/src/ui/maindialog.cpp
index a0b0e06..51d2dda 100644
--- a/src/ui/maindialog.cpp
+++ b/src/ui/maindialog.cpp
@@ -3559,11 +3559,11 @@ void CMainDialog::SetUserDir(char *base, int rank)
     if ( strcmp(base, "user") == 0 && rank >= 100 )
     {
         dir = m_userDir + "/" + m_userList.at(rank/100-1);
-        UserDir(true, dir.c_str());
+        GetProfile().SetUserDir(dir);
     }
     else
     {
-        UserDir(false, "");
+        GetProfile().SetUserDir("");
     }
 }
 
@@ -4258,7 +4258,6 @@ bool CMainDialog::IsIOReadScene()
     FILE*   file;
     std::string filename;
 
-    //TODO: Change this to point user dir acocrding to operating system
     filename = m_savegameDir + "/" + m_main->GetGamerName() + "/" + "save" + m_sceneName[0] + "000/data.sav";
     file = fopen(filename.c_str(), "r");
     if ( file == NULL )  return false;
@@ -4354,7 +4353,7 @@ void CMainDialog::IOReadList()
         filename = m_savegameDir + "/" + m_main->GetGamerName() + "/save" + m_sceneName[0] + rankStream.str()+ "/data.sav";
 
         // sprintf(filename, "%s\\%s\\save%c%.3d\\data.sav", m_savegameDir, m_main->GetGamerName(), m_sceneName[0], j);
-        file = fopen(filename.c_str(), "r");
+        file = fopen(fs::path(filename).native().c_str(), "r");
         if ( file == NULL )  break;
 
         while ( fgets(line, 500, file) != NULL )
@@ -5046,8 +5045,8 @@ void CMainDialog::UpdateDisplayDevice()
     CWindow*    pw;
     CList*      pl;
     char        bufDevices[1000];
-    char        bufModes[5000];
-    int         i, j, totalDevices, selectDevices, totalModes, selectModes;
+    //char        bufModes[5000];
+    int         i, j;
 
     pw = static_cast<CWindow*>(m_interface->SearchControl(EVENT_WINDOW5));
     if ( pw == 0 )  return;
@@ -5055,7 +5054,7 @@ void CMainDialog::UpdateDisplayDevice()
     if ( pl == 0 )  return;
     pl->Flush();
 
-    bufModes[0] = 0;
+    //bufModes[0] = 0;
     /* TODO: remove device choice
     m_engine->EnumDevices(bufDevices, 1000,
                           bufModes,   5000,
@@ -5070,10 +5069,10 @@ void CMainDialog::UpdateDisplayDevice()
         while ( bufDevices[i++] != 0 );
     }
 
-    pl->SetSelect(selectDevices);
+    pl->SetSelect(0);
     pl->ShowSelect(false);
 
-    m_setupSelDevice = selectDevices;
+    m_setupSelDevice = 0;
 }
 
 // Updates the list of modes.
@@ -5110,8 +5109,8 @@ void CMainDialog::ChangeDisplay()
     CWindow*    pw;
     CList*      pl;
     CCheck*     pc;
-    char*       device;
-    char*       mode;
+    //char*       device;
+    //char*       mode;
     bool        bFull;
 
     pw = static_cast<CWindow*>(m_interface->SearchControl(EVENT_WINDOW5));
@@ -5120,12 +5119,12 @@ void CMainDialog::ChangeDisplay()
     pl = static_cast<CList*>(pw->SearchControl(EVENT_LIST1));
     if ( pl == 0 )  return;
     m_setupSelDevice = pl->GetSelect();
-    device = pl->GetName(m_setupSelDevice);
+    //device = pl->GetName(m_setupSelDevice);
 
     pl = static_cast<CList*>(pw->SearchControl(EVENT_LIST2));
     if ( pl == 0 )  return;
     m_setupSelMode = pl->GetSelect();
-    mode = pl->GetName(m_setupSelMode);
+    //mode = pl->GetName(m_setupSelMode);
 
     pc = static_cast<CCheck*>(pw->SearchControl(EVENT_INTERFACE_FULL));
     if ( pc == 0 )  return;
diff --git a/src/ui/maindialog.h b/src/ui/maindialog.h
index be61299..a79b95e 100644
--- a/src/ui/maindialog.h
+++ b/src/ui/maindialog.h
@@ -23,6 +23,12 @@
 
 #include "object/robotmain.h"
 
+#include <boost/filesystem.hpp>
+#include <boost/algorithm/string.hpp>
+
+namespace fs = boost::filesystem;
+
+
 class CEventQueue;
 class CSoundInterface;
 
diff --git a/src/ui/studio.cpp b/src/ui/studio.cpp
index bf2ff33..a056026 100644
--- a/src/ui/studio.cpp
+++ b/src/ui/studio.cpp
@@ -1477,8 +1477,7 @@ void CStudio::UpdateDialogPublic()
     CCheck*     pc;
     CLabel*     pl;
     char        name[100];
-    char        dir[MAX_FNAME];
-    char        text[MAX_FNAME+100];
+    //char        text[MAX_FNAME+100];
 
     pw = static_cast< CWindow* >(m_interface->SearchControl(EVENT_WINDOW9));
     if ( pw == nullptr )  return;
@@ -1499,9 +1498,7 @@ void CStudio::UpdateDialogPublic()
     if ( pl != 0 )
     {
         GetResource(RES_TEXT, RT_IO_LIST, name);
-        SearchDirectory(dir, false);
-        sprintf(text, name, dir);
-        pl->SetName(text, false);
+        pl->SetName(SearchDirectory(false).c_str(), false);
     }
 }
 
@@ -1572,21 +1569,22 @@ void CStudio::UpdateDialogList()
 // Constructs the name of the folder or open/save.
 // If the folder does not exist, it will be created.
 
-void CStudio::SearchDirectory(char *dir, bool bCreate)
+std::string CStudio::SearchDirectory(bool bCreate)
 {
-    if ( m_main->GetIOPublic() )
-    {
-        sprintf(dir, "%s\\", m_main->GetPublicDir());
+    char dir[MAX_FNAME];
+    if ( m_main->GetIOPublic() ) {
+        sprintf(dir, "%s/", m_main->GetPublicDir());
+    } else {
+        sprintf(dir, "%s/%s/Program/", m_main->GetSavegameDir(), m_main->GetGamerName());
     }
-    else
-    {
-        sprintf(dir, "%s\\%s\\Program\\", m_main->GetSavegameDir(), m_main->GetGamerName());
+    
+    fs::path path = fs::path(dir);
+    
+    if ( bCreate ) {
+        fs::create_directory(path);
     }
 
-    if ( bCreate )
-    {// TODO
-//        mkdir(dir,0777);  // if does not exist yet!
-    }
+    return path.make_preferred().string();
 }
 
 // Reads a new program.
@@ -1612,7 +1610,7 @@ bool CStudio::ReadProgram()
     {
         strcat(filename, ".txt");
     }
-    SearchDirectory(dir, true);
+    strcpy(dir, SearchDirectory(true).c_str());
     strcat(dir, filename);
 
     pw = static_cast< CWindow* >(m_interface->SearchControl(EVENT_WINDOW3));
@@ -1650,7 +1648,7 @@ bool CStudio::WriteProgram()
     {
         strcat(filename, ".txt");
     }
-    SearchDirectory(dir, true);
+    strcpy(dir, SearchDirectory(true).c_str());
     strcat(dir, filename);
 
     pw = static_cast< CWindow* >(m_interface->SearchControl(EVENT_WINDOW3));
@@ -1658,7 +1656,7 @@ bool CStudio::WriteProgram()
     pe = static_cast< CEdit* >(pw->SearchControl(EVENT_STUDIO_EDIT));
     if ( pe == nullptr )  return false;
 
-    if ( !pe->WriteText(dir) )  return false;
+    if ( !pe->WriteText(std::string(dir)) )  return false;
 
     m_script->SetFilename(filename);
     return true;
diff --git a/src/ui/studio.h b/src/ui/studio.h
index 7c2f652..1c14124 100644
--- a/src/ui/studio.h
+++ b/src/ui/studio.h
@@ -22,6 +22,9 @@
 
 #include "graphics/engine/camera.h"
 
+#include <boost/filesystem.hpp>
+
+namespace fs = boost::filesystem;
 
 #include <string>
 
@@ -81,7 +84,7 @@ protected:
     void        UpdateDialogAction();
     void        UpdateDialogPublic();
     void        UpdateDialogList();
-    void        SearchDirectory(char* dir, bool bCreate);
+    std::string  SearchDirectory(bool bCreate);
     bool        ReadProgram();
     bool        WriteProgram();