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C/C++ Source or Header  |  1989-01-09  |  3.3 KB  |  94 lines
  1. /*-------------------------------------------------
  2.    RESOURCE.C -- Uses an Icon and Pointer Resource
  3.   -------------------------------------------------*/
  4.  
  5. #define INCL_WIN
  6. #define INCL_GPI
  7. #include <os2.h>
  8. #include "resource.h"
  9.  
  10. MRESULT EXPENTRY ClientWndProc (HWND, USHORT, MPARAM, MPARAM) ;
  11.  
  12. int main (void)
  13.      {
  14.      static CHAR  szClientClass [] = "Resource" ;
  15.      static ULONG flFrameFlags = FCF_TITLEBAR      | FCF_SYSMENU  |
  16.                                  FCF_SIZEBORDER    | FCF_MINMAX   |
  17.                                  FCF_SHELLPOSITION | FCF_TASKLIST |
  18.                                  FCF_ICON ;
  19.      HAB          hab ;
  20.      HMQ          hmq ;
  21.      HWND         hwndFrame, hwndClient ;
  22.      QMSG         qmsg ;
  23.  
  24.      hab = WinInitialize (0) ;
  25.      hmq = WinCreateMsgQueue (hab, 0) ;
  26.  
  27.      WinRegisterClass (hab, szClientClass, ClientWndProc, CS_SIZEREDRAW, 0) ;
  28.  
  29.      hwndFrame = WinCreateStdWindow (HWND_DESKTOP, WS_VISIBLE,
  30.                                      &flFrameFlags, szClientClass, NULL,
  31.                                      0L, NULL, ID_RESOURCE, &hwndClient) ;
  32.  
  33.      while (WinGetMsg (hab, &qmsg, NULL, 0, 0))
  34.           WinDispatchMsg (hab, &qmsg) ;
  35.  
  36.      WinDestroyWindow (hwndFrame) ;
  37.      WinDestroyMsgQueue (hmq) ;
  38.      WinTerminate (hab) ;
  39.      return 0 ;
  40.      }
  41.  
  42. MRESULT EXPENTRY ClientWndProc (HWND hwnd, USHORT msg, MPARAM mp1, MPARAM mp2)
  43.      {
  44.      static HPOINTER hIcon, hptr ;
  45.      static SHORT    cxClient, cyClient, cxIcon, cyIcon ;
  46.      HPS             hps ;
  47.      RECTL           rcl ;
  48.  
  49.      switch (msg)
  50.           {
  51.           case WM_CREATE:
  52.                hIcon = WinLoadPointer (HWND_DESKTOP, NULL, ID_RESOURCE) ;
  53.                hptr  = WinLoadPointer (HWND_DESKTOP, NULL, IDP_CIRCLE) ;
  54.  
  55.                cxIcon = (SHORT) WinQuerySysValue (HWND_DESKTOP, SV_CXICON) ;
  56.                cyIcon = (SHORT) WinQuerySysValue (HWND_DESKTOP, SV_CYICON) ;
  57.                return 0 ;
  58.  
  59.           case WM_SIZE:
  60.                cxClient = SHORT1FROMMP (mp2) ;
  61.                cyClient = SHORT2FROMMP (mp2) ;
  62.                return 0 ;
  63.  
  64.           case WM_MOUSEMOVE:
  65.                WinSetPointer (HWND_DESKTOP, hptr) ;
  66.                return 1 ;
  67.  
  68.           case WM_PAINT:
  69.                hps = WinBeginPaint (hwnd, NULL, NULL) ;
  70.  
  71.                WinQueryWindowRect (hwnd, &rcl) ;
  72.                WinFillRect (hps, &rcl, CLR_CYAN) ;
  73.  
  74.                WinDrawPointer (hps, 0, 0, hIcon, DP_NORMAL) ;
  75.                WinDrawPointer (hps, 0, cyClient - cyIcon, hIcon, DP_NORMAL) ;
  76.                WinDrawPointer (hps, cxClient - cyIcon, 0, hIcon, DP_NORMAL) ;
  77.                WinDrawPointer (hps, cxClient - cxIcon, cyClient - cyIcon,
  78.                                     hIcon, DP_NORMAL) ;
  79.  
  80.                WinDrawPointer (hps, cxClient / 3, cyClient / 2, hIcon,
  81.                                                        DP_HALFTONED) ;
  82.                WinDrawPointer (hps, 2 * cxClient / 3, cyClient / 2, hIcon,
  83.                                                        DP_INVERTED) ;
  84.                WinEndPaint (hps) ;
  85.                return 0 ;
  86.  
  87.           case WM_DESTROY:
  88.                WinDestroyPointer (hIcon) ;
  89.                WinDestroyPointer (hptr) ;
  90.                return 0 ;
  91.           }
  92.      return WinDefWindowProc (hwnd, msg, mp1, mp2) ;
  93.      }
  94.