win/FileDialogPrivate.h

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//
// Copied from wxWidgets 3.0.2 and modified for Audacity
//
// Name:        wx/msw/filedlg.h
// Purpose:     wxFileDialog class
// Author:      Julian Smart
// Modified by: Leland Lucius
// Created:     01/02/97
// Copyright:   (c) Julian Smart
// Licence:     wxWindows licence
 
#ifndef _WIN_FILEDIALOGPRIVATE_H_
#define _WIN_FILEDIALOGPRIVATE_H_
 
#include <windows.h>
 
#include <wx/modalhook.h>
 
//-------------------------------------------------------------------------
// FileDialog
//-------------------------------------------------------------------------
 
class WX_WRAPPERS_API FileDialog : public FileDialogBase
{
public:
   FileDialog();
   FileDialog(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);
 
   virtual void GetPaths(wxArrayString& paths) const;
   virtual void GetFilenames(wxArrayString& files) const;
   virtual int ShowModal();
 
   virtual void SetFileExtension(const wxString& extension);
 
protected:
   // -----------------------------------------
   // wxMSW-specific implementation from now on
   // -----------------------------------------
   
#if !(defined(__SMARTPHONE__) && defined(__WXWINCE__))
    virtual void DoMoveWindow(int x, int y, int width, int height);
    virtual void DoCentre(int dir);
    virtual void DoGetSize(int *width, int *height) const;
    virtual void DoGetPosition(int *x, int *y) const;
#endif // !(__SMARTPHONE__ && __WXWINCE__)
 
private:
   void Init();
 
   wxString GetFullPath(HWND hwnd, int itm);
   void FilterFiles(HWND hwnd, bool refresh);
   void ParseFilter(int index);
 
   // Parent dialog hook
   static UINT_PTR APIENTRY ParentHook(HWND hDlg, UINT iMsg, WPARAM wParam, LPARAM lParam);
   virtual UINT_PTR MSWParentHook(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam, OPENFILENAME *pOfn);
 
   // Message handlers for the parent dialog
   virtual void MSWOnSize(HWND hwnd, LPOPENFILENAME pOfn);
   virtual void MSWOnGetMinMaxInfo(HWND hwnd, LPOPENFILENAME pOfn, LPMINMAXINFO pMmi);
 
   // Child dialog hook
   static UINT_PTR APIENTRY DialogHook(HWND hDlg, UINT iMsg, WPARAM wParam, LPARAM lParam);
   virtual UINT_PTR MSWDialogHook(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam, OPENFILENAME *pOfn);
 
   // Message handlers for the child dialog
   virtual void MSWOnInitDialog(HWND hwnd, LPOPENFILENAME pOfn);
   virtual void MSWOnDestroy(HWND hwnd, LPOPENFILENAME pOfn);
   virtual void MSWOnInitDone(HWND hwnd, LPOPENFILENAME pOfn);
   virtual void MSWOnFolderChange(HWND hwnd, LPOPENFILENAME pOfn);
   virtual void MSWOnSelChange(HWND hwnd, LPOPENFILENAME pOfn);
   virtual void MSWOnTypeChange(HWND hwnd, LPOPENFILENAME pOfn);
 
private:
   wxArrayString m_fileNames;
 
   // remember if our SetPosition() or Centre() (which requires special
   // treatment) was called
   bool m_bMovedWindow;
   int m_centreDir;        // nothing to do if 0
 
   wxArrayString m_FilterGroups;
   wxArrayString m_Filters;
 
   HWND mParentDlg;
   HWND mChildDlg;
   WNDPROC mParentProc;
   POINT mMinSize;
 
   wxPanel *mRoot;
 
   class Disabler : public wxModalDialogHook
   {
   public:
      Disabler();
      void Init(wxWindow *root, HWND hwnd);
 
   protected:
      int Enter(wxDialog *dialog);
      void Exit(wxDialog *dialog);
      bool IsChild(const wxDialog *dialog) const;
 
   private:
      wxWindow *mRoot;
      HWND mHwnd;
      int mModalCount;
   } mDisabler;
 
   DECLARE_DYNAMIC_CLASS(FileDialog)
   DECLARE_NO_COPY_CLASS(FileDialog)
};
 
#endif