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/ Celestin Apprentice 4 / Apprentice-Release4.iso / Source Code / C / Snippets / Background ppat 1.0.1 / src / main.c < prev    next >
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Text File  |  1995-12-15  |  5.1 KB  |  208 lines  |  [TEXT/CWIE]
  2.  
  3. /* ----------------------------------------------------------------------
  4. InitToolBox
  5. ---------------------------------------------------------------------- */
  6. void InitToolBox()
  7. {
  8.     InitGraf(&qd.thePort);
  9.     InitFonts();
  10.     FlushEvents(everyEvent, 0);
  11.     InitWindows();
  12.     InitMenus();
  13.     TEInit();
  14.     InitDialogs(0L);
  15.     InitCursor();
  16. }
  17.  
  18.  
  19. /* ----------------------------------------------------------------------
  20. InitMenuBar
  21. ---------------------------------------------------------------------- */
  22. void InitMenuBar()
  23. {
  24.     Handle    myMenuBar;
  25.     
  26.     myMenuBar = GetNewMBar(MENU_BASE_ID);
  27.     if (myMenuBar == NIL)
  28.         SysBeep(1);
  29.     else
  30.         SetMenuBar(myMenuBar);
  31.     
  32.     gAppleMenu = GetMHandle(MENU_APPLE_ID);
  33.     if (gAppleMenu == NIL)
  34.         SysBeep(1);
  35.     else
  36.         AddResMenu(gAppleMenu,'DRVR');
  37.     
  38.     gFileMenu = GetMHandle(MENU_FILE_ID);
  39.     if (gFileMenu == NIL)
  40.         SysBeep(1);
  41.  
  42.     DrawMenuBar();
  43. }
  44.  
  45.  
  46. /* ----------------------------------------------------------------------
  47. MainLoop
  48. ---------------------------------------------------------------------- */
  49. void MainLoop()
  50. {
  51.     RgnHandle        cursorRgn;
  52.     Boolean            gotEvent;
  53.     WindowRecord    *myWinRecord;
  54.     Rect            myWinRect;
  55.     Str255             myTitle;
  56.     
  57.     gInBackground = false;
  58.     
  59.     cursorRgn = NewRgn();
  60.     
  61.     gWNEImplemented = (NGetTrapAddress(WNE_TRAP_NUM,ToolTrap) !=
  62.         NGetTrapAddress(UNIMPL_TRAP_NUM,ToolTrap));
  63.  
  64.     gPixPat = GetPixPat(SYSTEM_PPAT);
  65.  
  66.     myWinRect = qd.screenBits.bounds;
  67.     myWinRecord = NIL;
  68.     gTheWindow =
  69.         NewCWindow(myWinRecord,&myWinRect,"\p",FALSE,plainDBox,(WindowPtr)-1L,FALSE,0L);
  70.     
  71.     if (gTheWindow)
  72.     {
  73.         ShowWindow(gTheWindow);
  74.  
  75.         gDone = false;
  76.  
  77.         while (gDone == false)
  78.         {
  79.             if (gWNEImplemented)
  80.                 gotEvent = WaitNextEvent(everyEvent,&gTheEvent,MIN_SLEEP,cursorRgn);
  81.             else
  82.             {
  83.                 SystemTask();
  84.                 gotEvent = GetNextEvent(everyEvent,&gTheEvent);
  85.             }
  86.         
  87.             if (gotEvent)
  88.                 Do();
  89.         }
  90.     }
  91. }
  92.  
  93.  
  94. /* ----------------------------------------------------------------------
  95. Do
  96. ---------------------------------------------------------------------- */
  97. void Do()
  98. {
  99.     char    c;
  100.     
  101.     switch (gTheEvent.what)
  102.     {
  103.         case nullEvent:
  104.             break;
  105.         case mouseDown:
  106.             DoMouseDown();
  107.             break;
  108.         case keyDown:
  109.         case autoKey:
  110.             c = gTheEvent.message & charCodeMask;
  111.             if ((gTheEvent.modifiers & cmdKey) != 0)
  112.             {
  113.                 DoMenu(MenuKey(c));
  114.             }
  115.             break;
  116.         case activateEvt:
  117.             DoUpdate();
  118.             break;
  119.         case updateEvt:
  120.             DoUpdate();
  121.             break;
  122.         case app4Evt:
  123.             if ((gTheEvent.message & SUSPEND_RESUME_BIT) == RESUMING)
  124.                 gInBackground = (gTheEvent.message & 0x01) == 0;
  125.             break;
  126.     }
  127. }
  128.  
  129. /* ----------------------------------------------------------------------
  130. DoUpdate
  131. ---------------------------------------------------------------------- */
  132. void DoUpdate()
  133. {
  134.     GrafPtr            savedPort;
  135.     Rect            theRect;
  136.     
  137.     SetCursor(&qd.arrow);
  138.     GetPort(&savedPort);
  139.     SetPort(gTheWindow);
  140.     BeginUpdate(gTheWindow);
  141.         SetRect(&theRect,gTheWindow->portRect.left,
  142.             gTheWindow->portRect.top,
  143.             gTheWindow->portRect.right,
  144.             gTheWindow->portRect.bottom);
  145.         if (gPixPat != NIL)
  146.             FillCRect(&theRect,gPixPat);
  147.     EndUpdate(gTheWindow);
  148.     SetPort(savedPort);
  149. }
  150.  
  151. /* ----------------------------------------------------------------------
  152. DoMouseDown
  153. ---------------------------------------------------------------------- */
  154. void DoMouseDown()
  155. {
  156.     WindowPtr    window;
  157.     short int    thePart;
  158.     long int    menuChoice, windSize, newSize;
  159.     Boolean        doZoom, doGoAway;
  160.     Point        p;
  161.     
  162.     thePart = FindWindow(gTheEvent.where,&window);
  163.     switch (thePart)
  164.     {
  165.         case inMenuBar:
  166.             menuChoice = MenuSelect(gTheEvent.where);
  167.             DoMenu(menuChoice);
  168.             break;
  169.         case inSysWindow:
  170.             SystemClick(&gTheEvent,window);
  171.             break;
  172.         case inContent:
  173.             if (window != FrontWindow())
  174.                 SelectWindow(window);
  175.             break;
  176.         default:
  177.             break;
  178.     }
  179. }
  180.  
  181. /* ----------------------------------------------------------------------
  182. DoMenu
  183. ---------------------------------------------------------------------- */
  184. void DoMenu(menuChoice)
  185. long int menuChoice;
  186. {
  187.     int    theMenu;
  188.     int    theItem;
  189.     
  190.     if (menuChoice != 0)
  191.     {
  192.         theMenu = HiWord(menuChoice);
  193.         theItem = LoWord(menuChoice);
  194.         switch (theMenu)
  195.         {
  196.             case MENU_APPLE_ID:
  197.                 DoMenuApple(theItem);
  198.                 break;
  199.             case MENU_FILE_ID:
  200.                 DoMenuFile(theItem);
  201.                 break;
  202.             default:
  203.                 break;
  204.         }
  205.         HiliteMenu(0);
  206.     }
  207. }
  208.