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C/C++ Source or Header  |  1989-01-09  |  4.7 KB  |  130 lines
  1. /*-----------------------------------
  2.    COLORS.C -- GPI Foreground Colors
  3.   -----------------------------------*/
  4.  
  5. #define INCL_WIN
  6. #define INCL_GPI
  7. #include <os2.h>
  8. #include <string.h>
  9.  
  10. MRESULT EXPENTRY ClientWndProc (HWND, USHORT, MPARAM, MPARAM) ;
  11.  
  12. int main (void)
  13.      {
  14.      static CHAR  szClientClass [] = "Colors" ;
  15.      static ULONG flFrameFlags = FCF_TITLEBAR      | FCF_SYSMENU |
  16.                                  FCF_SIZEBORDER    | FCF_MINMAX  |
  17.                                  FCF_SHELLPOSITION | FCF_TASKLIST ;
  18.      HAB          hab ;
  19.      HMQ          hmq ;
  20.      HWND         hwndFrame, hwndClient ;
  21.      QMSG         qmsg ;
  22.  
  23.      hab = WinInitialize (0) ;
  24.      hmq = WinCreateMsgQueue (hab, 0) ;
  25.  
  26.      WinRegisterClass (hab, szClientClass, ClientWndProc, 0L, 0) ;
  27.  
  28.      hwndFrame = WinCreateStdWindow (HWND_DESKTOP, WS_VISIBLE,
  29.                                      &flFrameFlags, szClientClass, NULL,
  30.                                      0L, NULL, 0, &hwndClient) ;
  31.  
  32.      WinSendMsg (hwndFrame, WM_SETICON,
  33.                  WinQuerySysPointer (HWND_DESKTOP, SPTR_APPICON, FALSE),
  34.                  NULL) ;
  35.  
  36.      while (WinGetMsg (hab, &qmsg, NULL, 0, 0))
  37.           WinDispatchMsg (hab, &qmsg) ;
  38.  
  39.      WinDestroyWindow (hwndFrame) ;
  40.      WinDestroyMsgQueue (hmq) ;
  41.      WinTerminate (hab) ;
  42.      return 0 ;
  43.      }
  44.  
  45. MRESULT EXPENTRY ClientWndProc (HWND hwnd, USHORT msg, MPARAM mp1, MPARAM mp2)
  46.      {
  47.      static struct {
  48.                    LONG lColorIndex ;
  49.                    CHAR *szColorIndex ;
  50.                    }
  51.                    show [] = 
  52.                    {
  53.                    CLR_FALSE      , "CLR_FALSE"      , 
  54.                    CLR_TRUE       , "CLR_TRUE"       , 
  55.                    CLR_DEFAULT    , "CLR_DEFAULT"    , 
  56.                    CLR_WHITE      , "CLR_WHITE"      , 
  57.                    CLR_BLACK      , "CLR_BLACK"      , 
  58.                    CLR_BACKGROUND , "CLR_BACKGROUND" , 
  59.                    CLR_BLUE       , "CLR_BLUE"       , 
  60.                    CLR_RED        , "CLR_RED"        , 
  61.                    CLR_PINK       , "CLR_PINK"       , 
  62.                    CLR_GREEN      , "CLR_GREEN"      , 
  63.                    CLR_CYAN       , "CLR_CYAN"       , 
  64.                    CLR_YELLOW     , "CLR_YELLOW"     , 
  65.                    CLR_NEUTRAL    , "CLR_NEUTRAL"    , 
  66.                    CLR_DARKGRAY   , "CLR_DARKGRAY"   , 
  67.                    CLR_DARKBLUE   , "CLR_DARKBLUE"   ,
  68.                    CLR_DARKRED    , "CLR_DARKRED"    ,
  69.                    CLR_DARKPINK   , "CLR_DARKPINK"   ,
  70.                    CLR_DARKGREEN  , "CLR_DARKGREEN"  , 
  71.                    CLR_DARKCYAN   , "CLR_DARKCYAN"   , 
  72.                    CLR_BROWN      , "CLR_BROWN"      , 
  73.                    CLR_PALEGRAY   , "CLR_PALEGRAY"
  74.                    } ;
  75.      static SHORT  cxClient, cyClient, cxCaps, cyChar, cyDesc,
  76.                    sNumColors = sizeof show / sizeof show[0] ;
  77.      FONTMETRICS   fm ;
  78.      HPS           hps ;
  79.      POINTL        ptl ;
  80.      SHORT         sIndex ;
  81.  
  82.      switch (msg)
  83.           {
  84.           case WM_CREATE:
  85.                hps = WinGetPS (hwnd) ;
  86.                GpiQueryFontMetrics (hps, (LONG) sizeof fm, &fm) ;
  87.                cxCaps = (SHORT) fm.lEmInc ;
  88.                cyChar = (SHORT) fm.lMaxBaselineExt ;
  89.                cyDesc = (SHORT) fm.lMaxDescender ;
  90.                WinReleasePS (hps) ;
  91.                return 0 ;
  92.  
  93.           case WM_SIZE:
  94.                cxClient = SHORT1FROMMP (mp2) ;
  95.                cyClient = SHORT2FROMMP (mp2) ;
  96.                return 0 ;
  97.  
  98.           case WM_PAINT:
  99.                hps = WinBeginPaint (hwnd, NULL, NULL) ;
  100.                GpiErase (hps) ;
  101.  
  102.                for (sIndex = 0 ; sIndex < sNumColors ; sIndex ++)
  103.                     {
  104.                     ptl.x = (sIndex < 11 ? 1 : 33) * cxCaps ;
  105.                     ptl.y = cyClient - (sIndex % 11 * 5 + 4) * cyChar / 2
  106.                                                        + cyDesc ;
  107.  
  108.                     GpiCharStringAt (hps, &ptl,
  109.                           (LONG) strlen (show [sIndex].szColorIndex),
  110.                                show [sIndex].szColorIndex) ;
  111.  
  112.                     ptl.x = (sIndex < 11 ? 20 : 52) * cxCaps ;
  113.                        ptl.y -= cyDesc + cyChar / 2 ;
  114.                     GpiMove (hps, &ptl) ;
  115.  
  116.                     GpiSavePS (hps) ;
  117.                     GpiSetColor (hps, show [sIndex].lColorIndex) ;
  118.  
  119.                     ptl.x += 10 * cxCaps ;
  120.                     ptl.y += 2 * cyChar ;
  121.                     GpiBox (hps, DRO_FILL, &ptl, 0L, 0L) ;
  122.  
  123.                     GpiRestorePS (hps, -1L) ;
  124.                     }
  125.                WinEndPaint (hps) ;
  126.                return 0 ;
  127.           }
  128.      return WinDefWindowProc (hwnd, msg, mp1, mp2) ;
  129.      }
  130.