include/wx/mac/clipbrd.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        clipbrd.h
   3 // Purpose:     Clipboard functionality.
   4 //              Note: this functionality is under review, and
   5 //              is derived from wxWindows 1.xx code. Please contact
   6 //              the wxWindows developers for further information.
   7 // Author:      AUTHOR
   8 // Modified by:
   9 // Created:     ??/??/98
  10 // RCS-ID:      $Id$
  11 // Copyright:   (c) AUTHOR
  12 // Licence:     wxWindows licence
  13 /////////////////////////////////////////////////////////////////////////////
  14
  15 #ifndef _WX_CLIPBRD_H_
  16 #define _WX_CLIPBRD_H_
  17
  18 #ifdef __GNUG__
  19 #pragma interface "clipbrd.h"
  20 #endif
  21
  22 #include "wx/defs.h"
  23 #include "wx/setup.h"
  24
  25 #include "wx/list.h"
  26
  27 bool WXDLLEXPORT wxOpenClipboard();
  28 bool WXDLLEXPORT wxClipboardOpen();
  29 bool WXDLLEXPORT wxCloseClipboard();
  30 bool WXDLLEXPORT wxEmptyClipboard();
  31 bool WXDLLEXPORT wxIsClipboardFormatAvailable(int dataFormat);
  32 bool WXDLLEXPORT wxSetClipboardData(int dataFormat, wxObject *obj, int width = 0, int height = 0);
  33 wxObject* WXDLLEXPORT wxGetClipboardData(int dataFormat, long *len = NULL);
  34 int  WXDLLEXPORT wxEnumClipboardFormats(int dataFormat);
  35 int  WXDLLEXPORT wxRegisterClipboardFormat(char *formatName);
  36 bool WXDLLEXPORT wxGetClipboardFormatName(int dataFormat, char *formatName, int maxCount);
  37
  38 /* A clipboard client holds data belonging to the clipboard.
  39    For plain text, a client is not necessary. */
  40 class WXDLLEXPORT wxClipboardClient : public wxObject
  41 {
  42   DECLARE_ABSTRACT_CLASS(wxClipboardClient)
  43
  44  public:
  45   /* This list should be filled in with strings indicating the formats
  46      this client can provide. Almost all clients will provide "TEXT".
  47      Format names should be 4 characters long, so things will work
  48      out on the Macintosh */
  49   wxStringList formats;
  50
  51   /* This method is called when the client is losing the selection. */
  52   virtual void BeingReplaced() = 0;
  53
  54   /* This method is called when someone wants the data this client is
  55      supplying to the clipboard. "format" is a string indicating the
  56      format of the data - one of the strings from the "formats"
  57      list. "*size" should be filled with the size of the resulting
  58      data. In the case of text, "*size" does not count the
  59      NULL terminator. */
  60   virtual char *GetData(char *format, long *size) = 0;
  61 };
  62
  63 /* ONE instance of this class: */
  64 class WXDLLEXPORT wxClipboard : public wxObject
  65 {
  66   DECLARE_DYNAMIC_CLASS(wxClipboard)
  67
  68  public:
  69   wxClipboardClient *clipOwner;
  70   char *cbString, *sentString, *receivedString;
  71   void *receivedTargets;
  72   long receivedLength;
  73
  74   wxClipboard();
  75   ~wxClipboard();
  76
  77   /* Set the clipboard data owner. "time" comes from the event record. */
  78   void SetClipboardClient(wxClipboardClient *, long time);
  79
  80   /* Set the clipboard string; does not require a client. */
  81   void SetClipboardString(char *, long time);
  82
  83   /* Get data from the clipboard in the format "TEXT". */
  84   char *GetClipboardString(long time);
  85
  86   /* Get data from the clipboard */
  87   char *GetClipboardData(char *format, long *length, long time);
  88
  89   /* Get the clipboard client directly. Will be NULL if clipboard data
  90      is a string, or if some other application owns the clipboard.
  91      This can be useful for shortcutting data translation, if the
  92      clipboard user can check for a specific client. (This is used
  93      by the wxMediaEdit class.) */
  94   wxClipboardClient *GetClipboardClient();
  95 };
  96
  97 /* Initialize wxTheClipboard. Can be called repeatedly */
  98 void WXDLLEXPORT wxInitClipboard();
  99
 100 /* The clipboard */
 101 WXDLLEXPORT_DATA(extern wxClipboard*) wxTheClipboard;
 102
 103 #endif
 104     // _WX_CLIPBRD_H_