include/wx/gtk/clipbrd.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        clipboard.h
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10
  11 #ifndef __GTKCLIPBOARDH__
  12 #define __GTKCLIPBOARDH__
  13
  14 #ifdef __GNUG__
  15 #pragma interface
  16 #endif
  17
  18 #include "wx/defs.h"
  19
  20 #if wxUSE_CLIPBOARD
  21
  22 #include "wx/object.h"
  23 #include "wx/list.h"
  24 #include "wx/dataobj.h"
  25 #include "wx/control.h"
  26 #include "wx/module.h"
  27
  28 //-----------------------------------------------------------------------------
  29 // classes
  30 //-----------------------------------------------------------------------------
  31
  32 class wxClipboard;
  33 class wxClipboardModule;
  34
  35 //-----------------------------------------------------------------------------
  36 // global data
  37 //-----------------------------------------------------------------------------
  38
  39 extern wxClipboard* wxTheClipboard;
  40
  41 //-----------------------------------------------------------------------------
  42 // wxClipboard
  43 //-----------------------------------------------------------------------------
  44
  45 class wxClipboard : public wxObject
  46 {
  47     DECLARE_DYNAMIC_CLASS(wxClipboard)
  48
  49 public:
  50     wxClipboard();
  51     ~wxClipboard();
  52
  53     // open the clipboard before SetData() and GetData()
  54     virtual bool Open();
  55
  56     // close the clipboard after SetData() and GetData()
  57     virtual void Close();
  58
  59     // set the clipboard data. all other formats will be deleted.
  60     virtual bool SetData( wxDataObject *data );
  61
  62     // add to the clipboard data.
  63     virtual bool AddData( wxDataObject *data );
  64
  65     // ask if data in correct format is available
  66     virtual bool IsSupported( wxDataFormat format );
  67
  68     // fill data with data on the clipboard (if available)
  69     virtual bool GetData( wxDataObject *data );
  70
  71     // clears wxTheClipboard and the system's clipboard if possible
  72     virtual void Clear();
  73
  74     // implementation
  75
  76     bool              m_open;
  77
  78     bool              m_ownsClipboard;
  79     bool              m_ownsPrimarySelection;
  80
  81     wxDataBroker     *m_dataBroker;
  82     GtkWidget        *m_clipboardWidget;  /* for getting and offering data */
  83     GtkWidget        *m_targetsWidget;    /* for getting list of supported formats */
  84     bool              m_waiting;          /* querying data or formats is asynchronous */
  85
  86     bool              m_formatSupported;
  87     GdkAtom           m_targetRequested;
  88
  89     wxDataObject      *m_receivedData;
  90 };
  91
  92 //-----------------------------------------------------------------------------
  93 // wxClipboardModule
  94 //-----------------------------------------------------------------------------
  95
  96 class wxClipboardModule: public wxModule
  97 {
  98   DECLARE_DYNAMIC_CLASS(wxClipboardModule)
  99
 100 public:
 101     wxClipboardModule() {}
 102     bool OnInit();
 103     void OnExit();
 104 };
 105
 106 #endif
 107
 108    // wxUSE_CLIPBOARD
 109
 110 #endif
 111     // __GTKCLIPBOARDH__