added missing wxUniChar::operator=(wxUniCharRef)

[wxWidgets.git] / include / wx / filedlg.h

/////////////////////////////////////////////////////////////////////////////
// Name:        wx/filedlg.h
// Purpose:     wxFileDialog base header
// Author:      Robert Roebling
// Modified by:
// Created:     8/17/99
// Copyright:   (c) Robert Roebling
// RCS-ID:      $Id$
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifndef _WX_FILEDLG_H_BASE_
#define _WX_FILEDLG_H_BASE_

#include "wx/defs.h"

#if wxUSE_FILEDLG

#include "wx/dialog.h"
#include "wx/arrstr.h"

//----------------------------------------------------------------------------
// wxFileDialog data
//----------------------------------------------------------------------------

/*
    The flags below must coexist with the following flags in m_windowStyle
    #define wxCAPTION               0x20000000
    #define wxMAXIMIZE              0x00002000
    #define wxCLOSE_BOX             0x00001000
    #define wxSYSTEM_MENU           0x00000800
    wxBORDER_NONE   =               0x00200000
    #define wxRESIZE_BORDER         0x00000040
*/

enum
{
    wxFD_OPEN              = 0x0001,
    wxFD_SAVE              = 0x0002,
    wxFD_OVERWRITE_PROMPT  = 0x0004,
    wxFD_FILE_MUST_EXIST   = 0x0010,
    wxFD_MULTIPLE          = 0x0020,
    wxFD_CHANGE_DIR        = 0x0080,
    wxFD_PREVIEW           = 0x0100
};

#if WXWIN_COMPATIBILITY_2_6
enum
{
    wxOPEN              = wxFD_OPEN,
    wxSAVE              = wxFD_SAVE,
    wxOVERWRITE_PROMPT  = wxFD_OVERWRITE_PROMPT,
    wxFILE_MUST_EXIST   = wxFD_FILE_MUST_EXIST,
    wxMULTIPLE          = wxFD_MULTIPLE,
    wxCHANGE_DIR        = wxFD_CHANGE_DIR
};
#endif

#define wxFD_DEFAULT_STYLE      wxFD_OPEN

extern WXDLLEXPORT_DATA(const wxChar) wxFileDialogNameStr[];
extern WXDLLEXPORT_DATA(const wxChar) wxFileSelectorPromptStr[];
extern WXDLLEXPORT_DATA(const wxChar) wxFileSelectorDefaultWildcardStr[];

//----------------------------------------------------------------------------
// wxFileDialogBase
//----------------------------------------------------------------------------

class WXDLLEXPORT wxFileDialogBase: public wxDialog
{
public:
    wxFileDialogBase () { Init(); }

    wxFileDialogBase(wxWindow *parent,
                     const wxString& message = wxFileSelectorPromptStr,
                     const wxString& defaultDir = wxEmptyString,
                     const wxString& defaultFile = wxEmptyString,
                     const wxString& wildCard = wxFileSelectorDefaultWildcardStr,
                     long style = wxFD_DEFAULT_STYLE,
                     const wxPoint& pos = wxDefaultPosition,
                     const wxSize& sz = wxDefaultSize,
                     const wxString& name = wxFileDialogNameStr)
    {
        Init();
        Create(parent, message, defaultDir, defaultFile, wildCard, style, pos, sz, name);
    }

    bool Create(wxWindow *parent,
                const wxString& message = wxFileSelectorPromptStr,
                const wxString& defaultDir = wxEmptyString,
                const wxString& defaultFile = wxEmptyString,
                const wxString& wildCard = wxFileSelectorDefaultWildcardStr,
                long style = wxFD_DEFAULT_STYLE,
                const wxPoint& pos = wxDefaultPosition,
                const wxSize& sz = wxDefaultSize,
                const wxString& name = wxFileDialogNameStr);

    bool HasFdFlag(int flag) const { return HasFlag(flag); }

    virtual void SetMessage(const wxString& message) { m_message = message; }
    virtual void SetPath(const wxString& path) { m_path = path; }
    virtual void SetDirectory(const wxString& dir) { m_dir = dir; }
    virtual void SetFilename(const wxString& name) { m_fileName = name; }
    virtual void SetWildcard(const wxString& wildCard) { m_wildCard = wildCard; }
    virtual void SetFilterIndex(int filterIndex) { m_filterIndex = filterIndex; }

    virtual wxString GetMessage() const { return m_message; }
    virtual wxString GetPath() const { return m_path; }
    virtual void GetPaths(wxArrayString& paths) const { paths.Empty(); paths.Add(m_path); }
    virtual wxString GetDirectory() const { return m_dir; }
    virtual wxString GetFilename() const { return m_fileName; }
    virtual void GetFilenames(wxArrayString& files) const { files.Empty(); files.Add(m_fileName); }
    virtual wxString GetWildcard() const { return m_wildCard; }
    virtual int GetFilterIndex() const { return m_filterIndex; }

    // Utility functions

#if WXWIN_COMPATIBILITY_2_6

    wxDEPRECATED( long GetStyle() const );
    wxDEPRECATED( void SetStyle(long style) );

#endif  // WXWIN_COMPATIBILITY_2_6


    // Append first extension to filePath from a ';' separated extensionList
    // if filePath = "path/foo.bar" just return it as is
    // if filePath = "foo[.]" and extensionList = "*.jpg;*.png" return "foo.jpg"
    // if the extension is "*.j?g" (has wildcards) or "jpg" then return filePath
    static wxString AppendExtension(const wxString &filePath,
                                    const wxString &extensionList);

protected:
    wxString      m_message;
    wxString      m_dir;
    wxString      m_path;       // Full path
    wxString      m_fileName;
    wxString      m_wildCard;
    int           m_filterIndex;

private:
    void Init();
    DECLARE_DYNAMIC_CLASS(wxFileDialogBase)
    DECLARE_NO_COPY_CLASS(wxFileDialogBase)
};

//----------------------------------------------------------------------------
// wxFileDialog convenience functions
//----------------------------------------------------------------------------

// NB: wxFileSelector() etc. used to take const wxChar* arguments in wx-2.8
//     and their default value was NULL. The official way to use these
//     functions is to use wxString, with wxEmptyString as the default value.
//     The templates below exist only to maintain compatibility with wx-2.8.

#if WXWIN_COMPATIBILITY_2_8
// return wxString created from the argument, return empty string if the
// argument is NULL:
inline wxString wxPtrOrStringToString(const wxString& s) { return s; }
inline wxString wxPtrOrStringToString(const char *s) { return s; }
inline wxString wxPtrOrStringToString(const wchar_t *s) { return s; }
inline wxString wxPtrOrStringToString(const wxCStrData& s) { return s; }
inline wxString wxPtrOrStringToString(const wxCharBuffer& s) { return s; }
inline wxString wxPtrOrStringToString(const wxWCharBuffer& s) { return s; }
// this one is for NULL:
inline wxString wxPtrOrStringToString(int s)
{
    wxASSERT_MSG( s == 0, _T("passing non-NULL int as string?") );
    return wxEmptyString;
}
#endif // WXWIN_COMPATIBILITY_2_8

WXDLLEXPORT wxString
wxDoFileSelector(const wxString& message = wxFileSelectorPromptStr,
                 const wxString& default_path = wxEmptyString,
                 const wxString& default_filename = wxEmptyString,
                 const wxString& default_extension = wxEmptyString,
                 const wxString& wildcard = wxFileSelectorDefaultWildcardStr,
                 int flags = 0,
                 wxWindow *parent = NULL,
                 int x = wxDefaultCoord, int y = wxDefaultCoord);

WXDLLEXPORT wxString
wxDoFileSelectorEx(const wxString& message = wxFileSelectorPromptStr,
                   const wxString& default_path = wxEmptyString,
                   const wxString& default_filename = wxEmptyString,
                   int *indexDefaultExtension = NULL,
                   const wxString& wildcard = wxFileSelectorDefaultWildcardStr,
                   int flags = 0,
                   wxWindow *parent = NULL,
                   int x = wxDefaultCoord, int y = wxDefaultCoord);

WXDLLEXPORT wxString
wxDoLoadFileSelector(const wxString& what,
                     const wxString& extension,
                     const wxString& default_name = wxEmptyString,
                     wxWindow *parent = NULL);

WXDLLEXPORT wxString
wxDoSaveFileSelector(const wxString& what,
                     const wxString& extension,
                     const wxString& default_name = wxEmptyString,
                     wxWindow *parent = NULL);

#if WXWIN_COMPATIBILITY_2_8

// File selector - backward compatibility
inline wxString wxFileSelector()
{
    return wxDoFileSelector();
}

inline wxString wxFileSelector(const wxString& message)
{
    return wxDoFileSelector(message);
}

template<typename T>
inline wxString wxFileSelector(const wxString& message, const T& default_path)
{
    return wxDoFileSelector(message, wxPtrOrStringToString(default_path));
}

template<typename T1, typename T2>
inline wxString wxFileSelector(const wxString& message,
                               const T1& default_path,
                               const T2& default_filename)
{
    return wxDoFileSelector(message,
                            wxPtrOrStringToString(default_path),
                            wxPtrOrStringToString(default_filename));
}

template<typename T1, typename T2, typename T3>
inline wxString
wxFileSelector(const wxString& message,
               const T1& default_path,
               const T2& default_filename,
               const T3& default_extension,
               const wxString& wildcard = wxFileSelectorDefaultWildcardStr,
               int flags = 0,
               wxWindow *parent = NULL,
               int x = wxDefaultCoord, int y = wxDefaultCoord)
{
    return wxDoFileSelector(message,
                            wxPtrOrStringToString(default_path),
                            wxPtrOrStringToString(default_filename),
                            wxPtrOrStringToString(default_extension),
                            wildcard,
                            flags,
                            parent,
                            x, y);
}

// An extended version of wxFileSelector
inline wxString wxFileSelectorEx()
{
    return wxDoFileSelectorEx();
}

inline wxString wxFileSelectorEx(const wxString& message)
{
    return wxDoFileSelectorEx(message);
}

template<typename T>
inline wxString wxFileSelectorEx(const wxString& message, const T& default_path)
{
    return wxDoFileSelectorEx(message, wxPtrOrStringToString(default_path));
}

template<typename T1, typename T2>
inline wxString
wxFileSelectorEx(const wxString& message,
                 const T1& default_path,
                 const T2& default_filename,
                 int *indexDefaultExtension = NULL,
                 const wxString& wildcard = wxFileSelectorDefaultWildcardStr,
                 int flags = 0,
                 wxWindow *parent = NULL,
                 int x = wxDefaultCoord, int y = wxDefaultCoord)
{
    return wxDoFileSelectorEx(message,
                              wxPtrOrStringToString(default_path),
                              wxPtrOrStringToString(default_filename),
                              indexDefaultExtension,
                              wildcard,
                              flags,
                              parent,
                              x, y);
}

// Ask for filename to load
template<typename T>
inline wxString wxLoadFileSelector(const wxString& what,
                                   const wxString& extension,
                                   const T& default_name = T(),
                                   wxWindow *parent = NULL)
{
    return wxDoLoadFileSelector(what, extension,
                                wxPtrOrStringToString(default_name),
                                parent);
}

// Ask for filename to save
template<typename T>
inline wxString wxSaveFileSelector(const wxString& what,
                                   const wxString& extension,
                                   const T& default_name = T(),
                                   wxWindow *parent = NULL)
{
    return wxDoSaveFileSelector(what, extension,
                                wxPtrOrStringToString(default_name),
                                parent);
}

#else // !WXWIN_COMPATIBILITY_2_8

#define wxFileSelector wxDoFileSelector
#define wxFileSelectorEx wxDoFileSelectorEx
#define wxLoadFileSelector wxDoLoadFileSelector
#define wxSaveFileSelector wxDoSaveFileSelector

#endif // WXWIN_COMPATIBILITY_2_8/!WXWIN_COMPATIBILITY_2_8


#if defined (__WXUNIVERSAL__)
#define wxUSE_GENERIC_FILEDIALOG
#include "wx/generic/filedlgg.h"
#elif defined(__WXMSW__)
#include "wx/msw/filedlg.h"
#elif defined(__WXMOTIF__)
#include "wx/motif/filedlg.h"
#elif defined(__WXGTK24__)
#include "wx/gtk/filedlg.h"     // GTK+ > 2.4 has native version
#elif defined(__WXGTK20__)
#define wxUSE_GENERIC_FILEDIALOG
#include "wx/generic/filedlgg.h"
#elif defined(__WXGTK__)
#include "wx/gtk1/filedlg.h"
#elif defined(__WXMAC__)
#include "wx/mac/filedlg.h"
#elif defined(__WXCOCOA__)
#include "wx/cocoa/filedlg.h"
#elif defined(__WXPM__)
#include "wx/os2/filedlg.h"
#endif

#endif // wxUSE_FILEDLG

#endif // _WX_FILEDLG_H_BASE_