include/wx/gtk/dnd.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        dnd.h
   3 // Purpose:     declaration of the wxDropTarget class
   4 // Author:      Robert Roebling
   5 // RCS-ID:
   6 // Copyright:   (c) 1998 Vadim Zeitlin, Robert Roebling
   7 // Licence:     wxWindows license
   8 ///////////////////////////////////////////////////////////////////////////////
   9
  10
  11 #ifndef __GTKDNDH__
  12 #define __GTKDNDH__
  13
  14 #ifdef __GNUG__
  15 #pragma interface
  16 #endif
  17
  18 #include "wx/defs.h"
  19 #include "wx/object.h"
  20 #include "wx/string.h"
  21 #include "wx/cursor.h"
  22
  23 //-------------------------------------------------------------------------
  24 // classes
  25 //-------------------------------------------------------------------------
  26
  27 class wxWindow;
  28
  29 class wxDropTarget;
  30 class wxTextDropTarget;
  31 class wxDragSource;
  32 class wxTextDragSource;
  33
  34 //-------------------------------------------------------------------------
  35 // wxDropTarget
  36 //-------------------------------------------------------------------------
  37
  38 class wxDropTarget: wxObject
  39 {
  40   public:
  41
  42     wxDropTarget();
  43     ~wxDropTarget();
  44     virtual void OnEnter() { }
  45     virtual void OnLeave() { }
  46     virtual bool OnDrop( long x, long y, const void *pData ) = 0;
  47
  48   public:
  49
  50     void Drop( GdkEvent *event, int x, int y );
  51     virtual void RegisterWidget( GtkWidget *widget ) = 0;
  52     void UnregisterWidget( GtkWidget *widget );
  53 };
  54
  55 //-------------------------------------------------------------------------
  56 // wxTextDropTarget
  57 //-------------------------------------------------------------------------
  58
  59 class wxTextDropTarget: public wxDropTarget
  60 {
  61   public:
  62
  63     wxTextDropTarget() {};
  64     virtual bool OnDrop( long x, long y, const void *pData );
  65     virtual bool OnDropText( long x, long y, const char *psz );
  66     virtual void RegisterWidget( GtkWidget *widget );
  67 };
  68
  69 //-------------------------------------------------------------------------
  70 // wxDragSource
  71 //-------------------------------------------------------------------------
  72
  73 class wxDragSource: public wxObject
  74 {
  75   public:
  76
  77     wxDragSource( wxWindow *win );
  78     ~wxDragSource(void);
  79     void SetData( char *data, const long size );
  80     void Start( int x, int y );
  81
  82   public:
  83
  84     void ConnectWindow(void);
  85     void UnconnectWindow(void);
  86     virtual void RegisterWindow(void) = 0;
  87     void UnregisterWindow(void);
  88
  89     GtkWidget   *m_widget;
  90     wxWindow    *m_window;
  91     char        *m_data;
  92     long         m_size;
  93     wxCursor     m_defaultCursor;
  94     wxCursor     m_goaheadCursor;
  95 };
  96
  97 //-------------------------------------------------------------------------
  98 // wxTextDragSource
  99 //-------------------------------------------------------------------------
 100
 101 class wxTextDragSource: public wxDragSource
 102 {
 103   public:
 104
 105     wxTextDragSource( wxWindow *win ) : wxDragSource(win) {};
 106     void SetTextData( const wxString &text );
 107     void RegisterWindow(void);
 108
 109   private:
 110
 111     wxString m_tmp;
 112 };
 113
 114 #endif
 115        //__GTKDNDH__
 116