src/os2/cursor.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/os2/cursor.cpp
   3 // Purpose:     wxCursor class
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     10/13/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) David Webster
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifndef WX_PRECOMP
  16 #include <stdio.h>
  17 #include "wx/list.h"
  18 #include "wx/utils.h"
  19 #include "wx/app.h"
  20 #include "wx/cursor.h"
  21 #include "wx/icon.h"
  22 #endif
  23
  24 #include "wx/os2/private.h"
  25 #include "wx/os2/wxrsc.h"
  26 #include "wx/image.h"
  27
  28 #include "assert.h"
  29
  30 IMPLEMENT_DYNAMIC_CLASS(wxCursor, wxBitmap)
  31
  32 wxCursorRefData::wxCursorRefData(void)
  33 {
  34   m_nWidth = 32;
  35   m_nHeight = 32;
  36   m_hCursor = 0 ;
  37   m_bDestroyCursor = false;
  38 }
  39
  40 void wxCursorRefData::Free()
  41 {
  42     if (m_hCursor)
  43     {
  44         if (m_bDestroyCursor)
  45             ::WinDestroyPointer((HPOINTER)m_hCursor);
  46         m_hCursor = 0;
  47     }
  48 } // end of wxCursorRefData::Free
  49
  50 // Cursors
  51 wxCursor::wxCursor(void)
  52 {
  53 }
  54
  55 wxCursor::wxCursor(const char WXUNUSED(bits)[],
  56                    int WXUNUSED(width),
  57                    int WXUNUSED(height),
  58                    int WXUNUSED(hotSpotX),
  59                    int WXUNUSED(hotSpotY),
  60                    const char WXUNUSED(maskBits)[])
  61 {
  62 }
  63
  64 wxCursor::wxCursor(const wxImage& rImage)
  65 {
  66     wxImage  vImage32 = rImage.Scale(32,32);
  67     int      nWidth   = vImage32.GetWidth();
  68     int      nHeight  = vImage32.GetHeight();
  69
  70     //
  71     // Need a bitmap handle somehow
  72     //
  73     HBITMAP  hBitmap = wxBitmap(vImage32).GetHBITMAP();
  74     int      nHotSpotX = vImage32.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X);
  75     int      nHotSpotY = vImage32.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y);
  76
  77     if (nHotSpotX < 0 || nHotSpotX >= nWidth)
  78         nHotSpotX = 0;
  79     if (nHotSpotY < 0 || nHotSpotY >= nHeight)
  80         nHotSpotY = 0;
  81
  82
  83     wxCursorRefData* pRefData = new wxCursorRefData;
  84
  85     m_refData = pRefData;
  86     pRefData->m_hCursor = (WXHCURSOR) ::WinCreatePointer( HWND_DESKTOP
  87                                                          ,hBitmap
  88                                                          ,TRUE
  89                                                          ,nHotSpotY
  90                                                          ,nHotSpotX
  91                                                         );
  92
  93 } // end of wxCursor::wxCursor
  94
  95 wxCursor::wxCursor( const wxString& WXUNUSED(rsCursorFile),
  96                     long lFlags,
  97                     int WXUNUSED(nHotSpotX),
  98                     int WXUNUSED(nHotSpotY) )
  99 {
 100     wxCursorRefData* pRefData = new wxCursorRefData;
 101
 102     pRefData = new wxCursorRefData;
 103     m_refData = pRefData;
 104     pRefData->m_bDestroyCursor = false;
 105     if (lFlags == wxBITMAP_TYPE_CUR_RESOURCE)
 106     {
 107         pRefData->m_hCursor = (WXHCURSOR) ::WinLoadPointer( HWND_DESKTOP
 108                                                            ,0
 109                                                            ,(ULONG)lFlags // if OS/2 this should be the resource Id
 110                                                           );
 111     }
 112 } // end of wxCursor::wxCursor
 113
 114 // Cursors by stock number
 115 wxCursor::wxCursor(int nCursorType)
 116 {
 117     wxCursorRefData*                pRefData = new wxCursorRefData;
 118
 119     m_refData = pRefData;
 120     switch (nCursorType)
 121     {
 122         case wxCURSOR_ARROWWAIT:
 123             pRefData->m_hCursor = (WXHCURSOR) ::WinQuerySysPointer( HWND_DESKTOP
 124                                                                    ,(ULONG)SPTR_WAIT
 125                                                                    ,FALSE
 126                                                                   );
 127             break;
 128
 129         case wxCURSOR_WATCH:
 130         case wxCURSOR_WAIT:
 131             pRefData->m_hCursor = (WXHCURSOR) ::WinQuerySysPointer( HWND_DESKTOP
 132                                                                    ,(ULONG)SPTR_WAIT
 133                                                                    ,FALSE
 134                                                                   );
 135             break;
 136
 137         case wxCURSOR_IBEAM:
 138             pRefData->m_hCursor = (WXHCURSOR) ::WinQuerySysPointer( HWND_DESKTOP
 139                                                                    ,(ULONG)SPTR_TEXT
 140                                                                    ,FALSE
 141                                                                   );
 142             break;
 143
 144         case wxCURSOR_CROSS:
 145             pRefData->m_hCursor = (WXHCURSOR) ::WinQuerySysPointer( HWND_DESKTOP
 146                                                                    ,(ULONG)SPTR_MOVE
 147                                                                    ,FALSE
 148                                                                   );
 149             break;
 150
 151         case wxCURSOR_SIZENWSE:
 152             pRefData->m_hCursor = (WXHCURSOR) ::WinQuerySysPointer( HWND_DESKTOP
 153                                                                    ,(ULONG)SPTR_SIZENWSE
 154                                                                    ,FALSE
 155                                                                   );
 156             break;
 157
 158         case wxCURSOR_SIZENESW:
 159             pRefData->m_hCursor = (WXHCURSOR) ::WinQuerySysPointer( HWND_DESKTOP
 160                                                                    ,(ULONG)SPTR_SIZENESW
 161                                                                    ,FALSE
 162                                                                   );
 163             break;
 164
 165         case wxCURSOR_SIZEWE:
 166             pRefData->m_hCursor = (WXHCURSOR) ::WinQuerySysPointer( HWND_DESKTOP
 167                                                                    ,(ULONG)SPTR_SIZEWE
 168                                                                    ,FALSE
 169                                                                   );
 170             break;
 171
 172         case wxCURSOR_SIZENS:
 173             pRefData->m_hCursor = (WXHCURSOR) ::WinQuerySysPointer( HWND_DESKTOP
 174                                                                    ,(ULONG)SPTR_SIZENS
 175                                                                    ,FALSE
 176                                                                   );
 177             break;
 178
 179         case wxCURSOR_CHAR:
 180             pRefData->m_hCursor = (WXHCURSOR) ::WinQuerySysPointer( HWND_DESKTOP
 181                                                                    ,(ULONG)SPTR_ARROW
 182                                                                    ,FALSE
 183                                                                   );
 184             break;
 185
 186         case wxCURSOR_HAND:
 187             pRefData->m_hCursor = (WXHCURSOR) ::WinLoadPointer( HWND_DESKTOP
 188                                                                ,0
 189                                                                ,(ULONG)wxCURSOR_HAND
 190                                                               );
 191             break;
 192
 193         case wxCURSOR_BULLSEYE:
 194             pRefData->m_hCursor = (WXHCURSOR) ::WinLoadPointer( HWND_DESKTOP
 195                                                                ,0
 196                                                                ,(ULONG)wxCURSOR_BULLSEYE
 197                                                               );
 198             break;
 199
 200         case wxCURSOR_PENCIL:
 201             pRefData->m_hCursor = (WXHCURSOR) ::WinLoadPointer( HWND_DESKTOP
 202                                                                ,0
 203                                                                ,(ULONG)wxCURSOR_PENCIL
 204                                                               );
 205             break;
 206
 207         case wxCURSOR_MAGNIFIER:
 208             pRefData->m_hCursor = (WXHCURSOR) ::WinLoadPointer( HWND_DESKTOP
 209                                                                ,0
 210                                                                ,(ULONG)wxCURSOR_MAGNIFIER
 211                                                               );
 212             break;
 213
 214         case wxCURSOR_NO_ENTRY:
 215             pRefData->m_hCursor = (WXHCURSOR) ::WinQuerySysPointer( HWND_DESKTOP
 216                                                                    ,(ULONG)SPTR_ILLEGAL
 217                                                                    ,FALSE
 218                                                                   );
 219             break;
 220
 221         case wxCURSOR_LEFT_BUTTON:
 222             pRefData->m_hCursor = (WXHCURSOR) ::WinQuerySysPointer( HWND_DESKTOP
 223                                                                    ,(ULONG)SPTR_ARROW
 224                                                                    ,FALSE
 225                                                                   );
 226             break;
 227
 228         case wxCURSOR_RIGHT_BUTTON:
 229             pRefData->m_hCursor = (WXHCURSOR) ::WinQuerySysPointer( HWND_DESKTOP
 230                                                                    ,(ULONG)SPTR_ARROW
 231                                                                    ,FALSE
 232                                                                   );
 233             break;
 234
 235         case wxCURSOR_MIDDLE_BUTTON:
 236             pRefData->m_hCursor = (WXHCURSOR) ::WinQuerySysPointer( HWND_DESKTOP
 237                                                                    ,(ULONG)SPTR_ARROW
 238                                                                    ,FALSE
 239                                                                   );
 240             break;
 241
 242         case wxCURSOR_SIZING:
 243             pRefData->m_hCursor = (WXHCURSOR) ::WinQuerySysPointer( HWND_DESKTOP
 244                                                                    ,(ULONG)SPTR_SIZE
 245                                                                    ,FALSE
 246                                                                   );
 247             break;
 248
 249         case wxCURSOR_SPRAYCAN:
 250             pRefData->m_hCursor = (WXHCURSOR) ::WinLoadPointer( HWND_DESKTOP
 251                                                               ,0
 252                                                               ,(ULONG)WXCURSOR_ROLLER
 253                                                              );
 254             break;
 255
 256         case wxCURSOR_PAINT_BRUSH:
 257             pRefData->m_hCursor = (WXHCURSOR) ::WinLoadPointer( HWND_DESKTOP
 258                                                                ,0
 259                                                                ,(ULONG)WXCURSOR_PBRUSH
 260                                                               );
 261             break;
 262
 263         case wxCURSOR_POINT_LEFT:
 264             pRefData->m_hCursor = (WXHCURSOR) ::WinLoadPointer( HWND_DESKTOP
 265                                                                ,0
 266                                                                ,(ULONG)WXCURSOR_PLEFT
 267                                                               );
 268             break;
 269
 270         case wxCURSOR_POINT_RIGHT:
 271             pRefData->m_hCursor = (WXHCURSOR) ::WinLoadPointer( HWND_DESKTOP
 272                                                                ,0
 273                                                                ,(ULONG)WXCURSOR_PRIGHT
 274                                                               );
 275             break;
 276
 277         case wxCURSOR_QUESTION_ARROW:
 278             pRefData->m_hCursor = (WXHCURSOR) ::WinLoadPointer( HWND_DESKTOP
 279                                                                ,0
 280                                                                ,(ULONG)WXCURSOR_QARROW
 281                                                               );
 282             break;
 283
 284         case wxCURSOR_BLANK:
 285             pRefData->m_hCursor = (WXHCURSOR) ::WinLoadPointer( HWND_DESKTOP
 286                                                                ,0
 287                                                                ,(ULONG)WXCURSOR_BLANK
 288                                                               );
 289             break;
 290
 291         default:
 292         case wxCURSOR_ARROW:
 293             pRefData->m_hCursor = (WXHCURSOR) ::WinQuerySysPointer( HWND_DESKTOP
 294                                                                    ,(ULONG)SPTR_ARROW
 295                                                                    ,FALSE
 296                                                                   );
 297             break;
 298     }
 299     //
 300     // No need to destroy the stock cursors
 301     //
 302     ((wxCursorRefData *)m_refData)->m_bDestroyCursor = false;
 303 } // end of wxCursor::wxCursor
 304
 305 // Global cursor setting
 306 void wxSetCursor(const wxCursor& cursor)
 307 {
 308     extern wxCursor *g_globalCursor;
 309
 310     if ( cursor.Ok() && cursor.GetHCURSOR() )
 311     {
 312 //        ::SetCursor((HCURSOR) cursor.GetHCURSOR());
 313
 314         if ( g_globalCursor )
 315             (*g_globalCursor) = cursor;
 316     }
 317 }