src/gtk/cursor.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        cursor.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Created:     01/02/97
   6 // Id:
   7 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "cursor.h"
  14 #endif
  15
  16 #include "wx/cursor.h"
  17
  18 //-----------------------------------------------------------------------------
  19 // wxCursor
  20 //-----------------------------------------------------------------------------
  21
  22 class wxCursorRefData: public wxObjectRefData
  23 {
  24   public:
  25
  26     wxCursorRefData(void);
  27     ~wxCursorRefData(void);
  28
  29     GdkCursor *m_cursor;
  30 };
  31
  32 wxCursorRefData::wxCursorRefData(void)
  33 {
  34   m_cursor = (GdkCursor *) NULL;
  35 }
  36
  37 wxCursorRefData::~wxCursorRefData(void)
  38 {
  39   if (m_cursor) gdk_cursor_destroy( m_cursor );
  40 }
  41
  42 //-----------------------------------------------------------------------------
  43
  44 #define M_CURSORDATA ((wxCursorRefData *)m_refData)
  45
  46 IMPLEMENT_DYNAMIC_CLASS(wxCursor,wxObject)
  47
  48 wxCursor::wxCursor(void)
  49 {
  50 }
  51
  52 wxCursor::wxCursor( int cursorId )
  53 {
  54   m_refData = new wxCursorRefData();
  55
  56   GdkCursorType gdk_cur = GDK_LEFT_PTR;
  57   switch (cursorId)
  58   {
  59     case wxCURSOR_HAND:       gdk_cur = GDK_HAND1; break;
  60     case wxCURSOR_CROSS:      gdk_cur = GDK_CROSSHAIR; break;
  61     case wxCURSOR_SIZEWE:     gdk_cur = GDK_SB_H_DOUBLE_ARROW; break;
  62     case wxCURSOR_SIZENS:     gdk_cur = GDK_SB_V_DOUBLE_ARROW; break;
  63     case wxCURSOR_WAIT:       gdk_cur = GDK_WATCH; break;
  64     case wxCURSOR_WATCH:      gdk_cur = GDK_WATCH; break;
  65     case wxCURSOR_SIZING:     gdk_cur = GDK_SIZING; break;
  66     case wxCURSOR_SPRAYCAN:   gdk_cur = GDK_SPRAYCAN; break;
  67     case wxCURSOR_IBEAM:      gdk_cur = GDK_XTERM; break;
  68     case wxCURSOR_PENCIL:     gdk_cur = GDK_PENCIL; break;
  69     case wxCURSOR_NO_ENTRY:   gdk_cur = GDK_PIRATE; break;
  70   }
  71
  72   M_CURSORDATA->m_cursor = gdk_cursor_new( gdk_cur );
  73
  74 /*
  75   do that yourself
  76
  77   wxCURSOR_BULLSEYE,
  78   wxCURSOR_CHAR,
  79   wxCURSOR_LEFT_BUTTON,
  80   wxCURSOR_MAGNIFIER,
  81   wxCURSOR_MIDDLE_BUTTON,
  82   wxCURSOR_NO_ENTRY,
  83   wxCURSOR_PAINT_BRUSH,
  84   wxCURSOR_POINT_LEFT,
  85   wxCURSOR_POINT_RIGHT,
  86   wxCURSOR_QUESTION_ARROW,
  87   wxCURSOR_RIGHT_BUTTON,
  88   wxCURSOR_SIZENESW,
  89   wxCURSOR_SIZENS,
  90   wxCURSOR_SIZENWSE,
  91   wxCURSOR_SIZEWE,
  92   wxCURSOR_BLANK
  93 ,
  94   wxCURSOR_CROSS_REVERSE,
  95   wxCURSOR_DOUBLE_ARROW,
  96   wxCURSOR_BASED_ARROW_UP,
  97   wxCURSOR_BASED_ARROW_DOWN
  98 */
  99
 100 }
 101
 102 wxCursor::wxCursor( const wxCursor &cursor )
 103 {
 104   Ref( cursor );
 105 }
 106
 107 wxCursor::wxCursor( const wxCursor *cursor )
 108 {
 109   UnRef();
 110   if (cursor) Ref( *cursor );
 111 }
 112
 113 wxCursor::~wxCursor(void)
 114 {
 115 }
 116
 117 wxCursor& wxCursor::operator = ( const wxCursor& cursor )
 118 {
 119   if (*this == cursor) return (*this);
 120   Ref( cursor );
 121   return *this;
 122 }
 123
 124 bool wxCursor::operator == ( const wxCursor& cursor )
 125 {
 126   return m_refData == cursor.m_refData;
 127 }
 128
 129 bool wxCursor::operator != ( const wxCursor& cursor )
 130 {
 131   return m_refData != cursor.m_refData;
 132 }
 133
 134 bool wxCursor::Ok(void) const
 135 {
 136   return (m_refData != NULL);
 137 }
 138
 139 GdkCursor *wxCursor::GetCursor(void) const
 140 {
 141   return M_CURSORDATA->m_cursor;
 142 }
 143
 144 //-----------------------------------------------------------------------------
 145 // busy cursor routines
 146 //-----------------------------------------------------------------------------
 147
 148 bool g_isBusy = FALSE;
 149
 150 void wxEndBusyCursor(void)
 151 {
 152   g_isBusy = FALSE;
 153 }
 154
 155 void wxBeginBusyCursor( wxCursor *WXUNUSED(cursor) )
 156 {
 157   g_isBusy = TRUE;
 158 }
 159
 160 bool wxIsBusy(void)
 161 {
 162   return g_isBusy;
 163 }
 164
 165 void wxSetCursor( const wxCursor& cursor )
 166 {
 167   extern wxCursor *g_globalCursor;
 168   if (g_globalCursor) (*g_globalCursor) = cursor;
 169
 170   if (cursor.Ok()) {}
 171 }
 172
 173