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Annotation of pmsdk/samples/petzold/chap09/resource.c, revision 1.1.1.1

1.1       root        1: /*-------------------------------------------------
                      2:    RESOURCE.C -- Uses an Icon and Pointer Resource
                      3:   -------------------------------------------------*/
                      4: 
                      5: #define INCL_WIN
                      6: #define INCL_GPI
                      7: 
                      8: #include <os2.h>
                      9: #include <stddef.h>
                     10: #include "resource.h"
                     11: 
                     12: MRESULT EXPENTRY ClientWndProc (HWND, USHORT, MPARAM, MPARAM) ;
                     13: 
                     14: int main (void)
                     15:      {
                     16:      static CHAR szClientClass [] = "Resource" ;
                     17:      HAB         hab ;
                     18:      HMQ         hmq ;
                     19:      HWND        hwndFrame, hwndClient ;
                     20:      QMSG        qmsg ;
                     21:      ULONG       flFrameFlags = FCF_STANDARD & ~FCF_MENU ;
                     22:      ULONG       flFrameStyle = WS_VISIBLE | FS_ICON ;
                     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, flFrameStyle,
                     30:                                      &flFrameFlags, szClientClass,
                     31:                                      "Icon and Pointer Resources",
                     32:                                      0L, NULL, ID_RESOURCE, &hwndClient) ;
                     33: 
                     34:      while (WinGetMsg (hab, &qmsg, NULL, 0, 0))
                     35:           WinDispatchMsg (hab, &qmsg) ;
                     36: 
                     37:      WinDestroyWindow (hwndFrame) ;
                     38:      WinDestroyMsgQueue (hmq) ;
                     39:      WinTerminate (hab) ;
                     40: 
                     41:      return 0 ;
                     42:      }
                     43: 
                     44: MRESULT EXPENTRY ClientWndProc (HWND hwnd, USHORT msg, MPARAM mp1, MPARAM mp2)
                     45:      {
                     46:      static HPOINTER hIcon, hPtr ;
                     47:      static SHORT    cxClient, cyClient, xIcon, yIcon ;
                     48:      HPS             hps ;
                     49:      RECTL           rcl ;
                     50: 
                     51:      switch (msg)
                     52:           {
                     53:           case WM_CREATE:
                     54:                hIcon = WinLoadPointer (HWND_DESKTOP, NULL, ID_RESOURCE) ;
                     55:                hPtr  = WinLoadPointer (HWND_DESKTOP, NULL, IDP_CIRCLE) ;
                     56: 
                     57:                xIcon = (SHORT) WinQuerySysValue (HWND_DESKTOP, SV_CXICON) ;
                     58:                yIcon = (SHORT) WinQuerySysValue (HWND_DESKTOP, SV_CYICON) ;
                     59:                return 0 ;
                     60: 
                     61:           case WM_SIZE:
                     62:                cxClient = SHORT1FROMMP (mp2) ;
                     63:                cyClient = SHORT2FROMMP (mp2) ;
                     64:                return 0 ;
                     65: 
                     66:           case WM_MOUSEMOVE:
                     67:                WinSetPointer (HWND_DESKTOP, hPtr) ;
                     68:                return 1 ;
                     69: 
                     70:           case WM_PAINT:
                     71:                hps = WinBeginPaint (hwnd, NULL, NULL) ;
                     72: 
                     73:                WinQueryWindowRect (hwnd, &rcl) ;
                     74:                WinFillRect (hps, &rcl, CLR_CYAN) ;
                     75: 
                     76:                WinDrawPointer (hps, 0, 0, hIcon, DP_NORMAL) ;
                     77:                WinDrawPointer (hps, 0, cyClient - yIcon, hIcon, DP_NORMAL) ;
                     78:                WinDrawPointer (hps, cxClient - yIcon, 0, hIcon, DP_NORMAL) ;
                     79:                WinDrawPointer (hps, cxClient - xIcon, cyClient - yIcon, hIcon,
                     80:                                                        DP_NORMAL) ;
                     81: 
                     82:                WinDrawPointer (hps, cxClient / 3, cyClient / 2, hIcon,
                     83:                                                        DP_HALFTONED) ;
                     84:                WinDrawPointer (hps, 2 * cxClient / 3, cyClient / 2, hIcon,
                     85:                                                        DP_INVERTED) ;
                     86:                WinEndPaint (hps) ;
                     87:                return 0 ;
                     88: 
                     89:           case WM_DESTROY:
                     90:                WinDestroyPointer (hIcon) ;
                     91:                WinDestroyPointer (hPtr) ;
                     92:                return 0 ;
                     93: 
                     94:           default:
                     95:                return WinDefWindowProc (hwnd, msg, mp1, mp2) ;
                     96:           }
                     97:      return 0 ;
                     98:      }

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