include/wx/motif/cursor.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        cursor.h
   3 // Purpose:     wxCursor class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_CURSOR_H_
  13 #define _WX_CURSOR_H_
  14
  15 #ifdef __GNUG__
  16 #pragma interface "cursor.h"
  17 #endif
  18
  19 #include "wx/bitmap.h"
  20
  21 /* Cursor for one display, so we can choose the correct one for
  22  * the current display.
  23  */
  24 class wxXCursor : public wxObject
  25 {
  26  DECLARE_DYNAMIC_CLASS(wxXCursor)
  27
  28  public:
  29   WXDisplay*  m_display;
  30   WXCursor    m_cursor;
  31 };
  32
  33 class WXDLLEXPORT wxCursorRefData: public wxBitmapRefData
  34 {
  35     friend class WXDLLEXPORT wxBitmap;
  36     friend class WXDLLEXPORT wxCursor;
  37 public:
  38     wxCursorRefData();
  39     ~wxCursorRefData();
  40
  41     wxList        m_cursors;  // wxXCursor objects, one per display
  42     wxStockCursor m_cursorId; // wxWindows standard cursor id
  43 };
  44
  45 #define M_CURSORDATA ((wxCursorRefData *)m_refData)
  46 #define M_CURSORHANDLERDATA ((wxCursorRefData *)bitmap->m_refData)
  47
  48 // Cursor
  49 class WXDLLEXPORT wxCursor: public wxBitmap
  50 {
  51   DECLARE_DYNAMIC_CLASS(wxCursor)
  52
  53 public:
  54   wxCursor();
  55
  56   // Copy constructors
  57   inline wxCursor(const wxCursor& cursor) { Ref(cursor); }
  58   inline wxCursor(const wxCursor* cursor) { if (cursor) Ref(*cursor); }
  59
  60   wxCursor(const char bits[], int width, int height, int hotSpotX = -1, int hotSpotY = -1,
  61     const char maskBits[] = NULL);
  62
  63   wxCursor(const wxString& name, long flags = wxBITMAP_TYPE_XBM,
  64    int hotSpotX = 0, int hotSpotY = 0);
  65
  66   wxCursor(wxStockCursor id);
  67   ~wxCursor();
  68
  69   virtual bool Ok() const { return ((m_refData != NULL) && M_CURSORDATA->m_ok); }
  70
  71   inline wxCursor& operator = (const wxCursor& cursor) { if (*this == cursor) return (*this); Ref(cursor); return *this; }
  72   inline bool operator == (const wxCursor& cursor) { return m_refData == cursor.m_refData; }
  73   inline bool operator != (const wxCursor& cursor) { return m_refData != cursor.m_refData; }
  74
  75   // Motif-specific.
  76   // Create/get a cursor for the current display
  77   WXCursor GetXCursor(WXDisplay* display) ;
  78   // Make a cursor from standard id
  79   WXCursor MakeCursor(WXDisplay* display, wxStockCursor id);
  80 };
  81
  82 extern WXDLLEXPORT void wxSetCursor(const wxCursor& cursor);
  83
  84 #endif
  85     // _WX_CURSOR_H_