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- /*-----------------------------------------------
- MINMAX1.C -- Bitblt of Minimize-Maximize Menu
- -----------------------------------------------*/
-
- #define INCL_WIN
- #include <os2.h>
-
- MRESULT EXPENTRY ClientWndProc (HWND, USHORT, MPARAM, MPARAM) ;
-
- int main (void)
- {
- static CHAR szClientClass [] = "MinMax1" ;
- static ULONG flFrameFlags = FCF_TITLEBAR | FCF_SYSMENU |
- FCF_SIZEBORDER | FCF_MINMAX |
- FCF_SHELLPOSITION | FCF_TASKLIST ;
- HAB hab ;
- HMQ hmq ;
- HWND hwndFrame, hwndClient ;
- QMSG qmsg ;
-
- hab = WinInitialize (0) ;
- hmq = WinCreateMsgQueue (hab, 0) ;
-
- WinRegisterClass (hab, szClientClass, ClientWndProc, CS_SIZEREDRAW, 0) ;
-
- hwndFrame = WinCreateStdWindow (HWND_DESKTOP, WS_VISIBLE,
- &flFrameFlags, szClientClass, NULL,
- 0L, NULL, 0, &hwndClient) ;
-
- WinSendMsg (hwndFrame, WM_SETICON,
- WinQuerySysPointer (HWND_DESKTOP, SPTR_APPICON, FALSE),
- NULL) ;
-
- while (WinGetMsg (hab, &qmsg, NULL, 0, 0))
- WinDispatchMsg (hab, &qmsg) ;
-
- WinDestroyWindow (hwndFrame) ;
- WinDestroyMsgQueue (hmq) ;
- WinTerminate (hab) ;
- return 0 ;
- }
-
- MRESULT EXPENTRY ClientWndProc (HWND hwnd, USHORT msg, MPARAM mp1, MPARAM mp2)
- {
- static LONG cxMinMax, cyMinMax ;
- static SHORT cxClient, cyClient ;
- HPS hps ;
- POINTL aptl[3] ;
- LONG lRow, lCol ;
-
- switch (msg)
- {
- case WM_CREATE:
- cxMinMax = WinQuerySysValue (HWND_DESKTOP, SV_CXMINMAXBUTTON) ;
- cyMinMax = WinQuerySysValue (HWND_DESKTOP, SV_CYMINMAXBUTTON) ;
- return 0 ;
-
- case WM_SIZE:
- cxClient = SHORT1FROMMP (mp2) ;
- cyClient = SHORT2FROMMP (mp2) ;
- return 0 ;
-
- case WM_PAINT:
- hps = WinBeginPaint (hwnd, NULL, NULL) ;
-
- GpiErase (hps) ;
-
- for (lRow = 0 ; lRow <= cyClient / cyMinMax ; lRow++)
- for (lCol = 0 ; lCol <= cxClient / cxMinMax ; lCol++)
- {
- aptl[0].x = lCol * cxMinMax ; // target
- aptl[0].y = lRow * cyMinMax ; // lower left
-
- aptl[1].x = aptl[0].x + cxMinMax ; // target
- aptl[1].y = aptl[0].y + cyMinMax ; // upper right
-
- aptl[2].x = cxClient - cxMinMax ; // source
- aptl[2].y = cyClient ; // lower left
-
- GpiBitBlt (hps, hps, 3L, aptl, ROP_SRCCOPY, BBO_AND) ;
- }
- WinEndPaint (hps) ;
- return 0 ;
- }
- return WinDefWindowProc (hwnd, msg, mp1, mp2) ;
- }
-