include/wx/filectrl.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/filectrl.h
   3 // Purpose:     Header for wxFileCtrlBase and other common functions used by
   4 //              platform-specific wxFileCtrl's
   5 // Author:      Diaa M. Sami
   6 // Modified by:
   7 // Created:     Jul-07-2007
   8 // RCS-ID:      $Id$
   9 // Copyright:   (c) Diaa M. Sami
  10 // Licence:     wxWindows licence
  11 ///////////////////////////////////////////////////////////////////////////////
  12
  13 #ifndef _WX_FILECTRL_H_BASE_
  14 #define _WX_FILECTRL_H_BASE_
  15
  16 #include "wx/defs.h"
  17
  18 #if wxUSE_FILECTRL
  19
  20 #include "wx/string.h"
  21 #include "wx/event.h"
  22
  23 enum
  24 {
  25     wxFC_OPEN              = 0x0001,
  26     wxFC_SAVE              = 0x0002,
  27     wxFC_MULTIPLE          = 0x0004,
  28     wxFC_NOSHOWHIDDEN      = 0x0008
  29 };
  30
  31 #define wxFC_DEFAULT_STYLE wxFC_OPEN
  32 extern WXDLLEXPORT_DATA( const wxChar ) wxFileCtrlNameStr[];
  33
  34 extern WXDLLIMPEXP_CORE const wxEventType wxEVT_FILECTRL_SELECTIONCHANGED;
  35 extern WXDLLIMPEXP_CORE const wxEventType wxEVT_FILECTRL_FILEACTIVATED;
  36 extern WXDLLIMPEXP_CORE const wxEventType wxEVT_FILECTRL_FOLDERCHANGED;
  37
  38 class WXDLLIMPEXP_CORE wxFileCtrlBase
  39 {
  40 public:
  41     virtual ~wxFileCtrlBase() {}
  42
  43     virtual void SetWildcard( const wxString& wildCard ) = 0;
  44     virtual void SetFilterIndex( int filterindex ) = 0;
  45     virtual bool SetDirectory( const wxString& dir ) = 0;
  46
  47     // Selects a certain file.
  48     // In case the filename specified isn't found/couldn't be shown with
  49     // currently selected filter, false is returned and nothing happens
  50     virtual bool SetFilename( const wxString& name ) = 0;
  51
  52     // chdirs to a certain directory and selects a certain file.
  53     // In case the filename specified isn't found/couldn't be shown with
  54     // currently selected filter, false is returned and if directory exists
  55     // it's chdir'ed to
  56     virtual bool SetPath( const wxString& path ) = 0;
  57
  58     virtual wxString GetFilename() const = 0;
  59     virtual wxString GetDirectory() const = 0;
  60     virtual wxString GetWildcard() const = 0;
  61     virtual wxString GetPath() const = 0;
  62     virtual void GetPaths( wxArrayString& paths ) const = 0;
  63     virtual void GetFilenames( wxArrayString& files ) const = 0;
  64     virtual int GetFilterIndex() const = 0;
  65
  66     virtual bool HasMultipleFileSelection() const = 0;
  67     virtual void ShowHidden(bool show) = 0;
  68 };
  69
  70 void GenerateFolderChangedEvent( wxFileCtrlBase *fileCtrl, wxWindow *wnd );
  71 void GenerateSelectionChangedEvent( wxFileCtrlBase *fileCtrl, wxWindow *wnd );
  72 void GenerateFileActivatedEvent( wxFileCtrlBase *fileCtrl, wxWindow *wnd, const wxString filename = wxEmptyString );
  73
  74 #if defined(__WXGTK20__) && !defined(__WXUNIVERSAL__)
  75     #define wxFileCtrl wxGtkFileCtrl
  76     #include "wx/gtk/filectrl.h"
  77 #else
  78     #define wxFileCtrl wxGenericFileCtrl
  79     #include "wx/generic/filectrlg.h"
  80 #endif
  81
  82 // Some documentation
  83 // On wxEVT_FILECTRL_FOLDERCHANGED, only the value returned by GetDirectory is
  84 // valid and it represents the (new) current directory for the wxFileCtrl.
  85 // On wxEVT_FILECTRL_FILEACTIVATED, GetDirectory returns the current directory
  86 // for the wxFileCtrl and GetFiles returns the names of the file(s) activated.
  87 // On wxEVT_FILECTRL_SELECTIONCHANGED, GetDirectory returns the current directory
  88 // for the wxFileCtrl and GetFiles returns the names of the currently selected
  89 // file(s).
  90 // In wxGTK, after each wxEVT_FILECTRL_FOLDERCHANGED, wxEVT_FILECTRL_SELECTIONCHANGED
  91 // is fired automatically once or more with 0 files.
  92 class WXDLLIMPEXP_CORE wxFileCtrlEvent : public wxCommandEvent
  93 {
  94 public:
  95     wxFileCtrlEvent() {}
  96     wxFileCtrlEvent( wxEventType type, wxObject *evtObject, int id )
  97             : wxCommandEvent( type, id )
  98     {
  99         SetEventObject( evtObject );
 100     }
 101
 102     // no need for the copy constructor as the default one will be fine.
 103     virtual wxEvent *Clone() const { return new wxFileCtrlEvent( *this ); }
 104
 105     void SetFiles( const wxArrayString &files ) { m_files = files; }
 106     void SetDirectory( const wxString &directory ) { m_directory = directory; }
 107
 108     wxArrayString GetFiles() const { return m_files; }
 109     wxString GetDirectory() const { return m_directory; }
 110
 111     wxString GetFile() const;
 112
 113 protected:
 114     wxString m_directory;
 115     wxArrayString m_files;
 116
 117     DECLARE_DYNAMIC_CLASS_NO_ASSIGN( wxFileCtrlEvent )
 118 };
 119
 120 typedef void ( wxEvtHandler::*wxFileCtrlEventFunction )( wxFileCtrlEvent& );
 121
 122 #define wxFileCtrlEventHandler(func) \
 123     (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxFileCtrlEventFunction, &func)
 124
 125 #define EVT_FILECTRL_FILEACTIVATED(id, fn) \
 126     wx__DECLARE_EVT1(wxEVT_FILECTRL_FILEACTIVATED, id, wxFileCtrlEventHandler(fn))
 127
 128 #define EVT_FILECTRL_SELECTIONCHANGED(id, fn) \
 129     wx__DECLARE_EVT1(wxEVT_FILECTRL_SELECTIONCHANGED, id, wxFileCtrlEventHandler(fn))
 130
 131 #define EVT_FILECTRL_FOLDERCHANGED(id, fn) \
 132     wx__DECLARE_EVT1(wxEVT_FILECTRL_FOLDERCHANGED, id, wxFileCtrlEventHandler(fn))
 133
 134 #endif // wxUSE_FILECTRL
 135
 136 #endif // _WX_FILECTRL_H_BASE_