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- /*-----------------------------------------
- AVIO1.C -- Advanced VIO Display of Text
- -----------------------------------------*/
-
- #define INCL_WIN
- #define INCL_VIO
- #define INCL_AVIO
- #include <os2.h>
- #include <string.h>
-
- #define VIDEOWIDTH 40
-
- MRESULT EXPENTRY ClientWndProc (HWND, USHORT, MPARAM, MPARAM) ;
-
- HAB hab ;
-
- int main (void)
- {
- static CHAR szClientClass [] = "Avio1" ;
- static ULONG flFrameFlags = FCF_TITLEBAR | FCF_SYSMENU |
- FCF_SIZEBORDER | FCF_MINMAX |
- FCF_SHELLPOSITION | FCF_TASKLIST ;
- 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 CHAR *aszAlice [] = {
- "Alice was beginning to get very tired of",
- "sitting by her sister on the bank and of",
- "having nothing to do: once or twice she",
- "had peeped into the book her sister was",
- "reading, but it had no pictures or ",
- "conversations in it, \"and what is the",
- "use of a book,\" thought Alice, \"without",
- "pictures or conversations?\""
- } ;
- static HPS hps ;
- static HVPS hvps ;
- static SHORT sNumLines = sizeof aszAlice / sizeof aszAlice[0] ;
- HDC hdc ;
- SHORT sRow ;
- SIZEL sizl ;
-
- switch (msg)
- {
- case WM_CREATE:
- hdc = WinOpenWindowDC (hwnd) ;
-
- sizl.cx = sizl.cy = 0 ;
- hps = GpiCreatePS (hab, hdc, &sizl, PU_PELS | GPIF_DEFAULT |
- GPIT_MICRO | GPIA_ASSOC) ;
-
- VioCreatePS (&hvps, sNumLines, VIDEOWIDTH, 0, 1, NULL) ;
- VioAssociate (hdc, hvps) ;
-
- for (sRow = 0 ; sRow < sNumLines ; sRow++)
- VioWrtCharStr (aszAlice[sRow],
- strlen (aszAlice[sRow]),
- sRow, 0, hvps) ;
- return 0 ;
-
- case WM_SIZE:
- WinDefAVioWindowProc (hwnd, msg, mp1, mp2) ;
- return 0 ;
-
- case WM_PAINT:
- WinBeginPaint (hwnd, hps, NULL) ;
- GpiErase (hps) ;
-
- VioShowBuf (0, 2 * sNumLines * VIDEOWIDTH, hvps) ;
-
- WinEndPaint (hps) ;
- return 0 ;
-
- case WM_DESTROY:
- VioAssociate (NULL, hvps) ;
- VioDestroyPS (hvps) ;
- GpiDestroyPS (hps) ;
- return 0 ;
- }
- return WinDefWindowProc (hwnd, msg, mp1, mp2) ;
- }
-