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