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C/C++ Source or Header  |  1995-08-05  |  7.2 KB  |  335 lines  |  [TEXT/KAHL]
  1. //____________________________________________________________
  2. //    Generic.c
  3. //
  4. //    Copyright © Dan Parks Sydow, 1995
  5. //    From the book:
  6. //    "Graphics and Sound Programming Techniques for the Mac",
  7. //    M&T Books, 1995
  8.  
  9.  
  10. //____________________________________________________________
  11.  
  12. #include <Movies.h>
  13.   
  14. #include "Defines.h" 
  15. #include "DataTypes.h"
  16. #include "Globals.h"
  17. #include "Initialize.h"
  18. #include "WindRecordAccess.h"
  19. #include "MovieUtilities.h"
  20. #include "AppleMenu.h"
  21. #include "FileMenu.h"
  22. #include "EditMenu.h"
  23. #include "Generic.h"
  24.  
  25.  
  26. //____________________________________________________________
  27.  
  28. void  main( void )
  29. {
  30.    InitializeAllToolboxes();
  31.  
  32.    SetUpMenuBar();
  33.    
  34.    EventLoop();
  35. }
  36.  
  37.  
  38. //____________________________________________________________
  39.  
  40. void  EventLoop( void )
  41. { 
  42.    EventRecord  theEvent;      
  43.    Boolean      isControllerEvent;
  44.  
  45.    while ( gDone == false )
  46.    {      
  47.       WaitNextEvent( everyEvent, &theEvent, 0, nil );
  48.  
  49.       AdjustAllMenus();
  50.       
  51.       isControllerEvent = UpdateAllOpenMovies( theEvent );
  52.       
  53.       if ( isControllerEvent == false )
  54.       {
  55.          switch ( theEvent.what )
  56.          {
  57.             case activateEvt:
  58.                HandleActivateEvent( theEvent );
  59.                break;
  60.                   
  61.             case updateEvt:
  62.                HandleUpdateEvent( theEvent );
  63.                break;
  64.  
  65.             case keyDown:
  66.                HandleKeyDownEvent( theEvent );
  67.                break;
  68.             
  69.             case mouseDown:
  70.                HandleMouseDownEvent( theEvent );
  71.                break;
  72.          }
  73.       }
  74.    }
  75. }
  76.  
  77.  
  78. //____________________________________________________________
  79.  
  80. void  AdjustAllMenus( void )
  81. {
  82.    WindowPtr        theWindow;
  83.    MovieController  theController;
  84.    MenuHandle       theMenu;
  85.    
  86.    theWindow = FrontWindow();
  87.    
  88.    if ( theWindow == nil )
  89.    {
  90.       theMenu = GetMHandle( mFile );
  91.       DisableItem( theMenu, iClose );
  92.       DisableItem( theMenu, iSave );
  93.       DisableItem( theMenu, iSaveAs );
  94.  
  95.       theMenu = GetMHandle( mEdit );
  96.       DisableItem( theMenu, iUndo );
  97.       DisableItem( theMenu, iCut );
  98.       DisableItem( theMenu, iCopy );
  99.       DisableItem( theMenu, iPaste );
  100.       DisableItem( theMenu, iClear );
  101.       DisableItem( theMenu, iSelectAll );      
  102.    }
  103.    else
  104.    {
  105.       theMenu = GetMHandle( mFile );
  106.       EnableItem( theMenu, iClose );
  107.       EnableItem( theMenu, iSave );
  108.       EnableItem( theMenu, iSaveAs );
  109.  
  110.       theMenu = GetMenuHandle( mEdit );
  111.       if ( GetWindowType( theWindow ) == kMovieWindowType )
  112.       {
  113.          theController = GetWindowController( theWindow );
  114.          MCSetUpEditMenu( theController, 0, theMenu );
  115.          EnableItem( theMenu, iSelectAll );
  116.       }
  117.       else
  118.       {
  119.          EnableItem( theMenu, iUndo );
  120.          EnableItem( theMenu, iCut );
  121.          EnableItem( theMenu, iCopy );
  122.          EnableItem( theMenu, iPaste );
  123.          EnableItem( theMenu, iClear );
  124.          EnableItem( theMenu, iSelectAll );      
  125.       }   
  126.    }
  127. }
  128.  
  129.  
  130. //____________________________________________________________
  131.  
  132. void  HandleActivateEvent( EventRecord theEvent )
  133. {
  134.    WindowPtr        theWindow;
  135.    Boolean          isActivateEvent;
  136.    MovieController  theController;
  137.    
  138.    theWindow = (WindowPtr)theEvent.message;
  139.    SetPort( theWindow );
  140.    isActivateEvent = ( theEvent.modifiers & activeFlag ) != 0;
  141.  
  142.    if ( GetWindowType( theWindow ) == kMovieWindowType )
  143.    {
  144.       theController = GetWindowController( theWindow );
  145.       MCActivate( theController, theWindow, isActivateEvent );
  146.    }
  147. }
  148.  
  149.  
  150. //____________________________________________________________
  151.  
  152. void  HandleUpdateEvent( EventRecord theEvent )
  153. {
  154.    WindowPtr  theWindow;
  155.    
  156.    theWindow = (WindowPtr)theEvent.message;
  157.    BeginUpdate( theWindow );
  158.       EraseRect( &(theWindow->portRect) );
  159. //    update "nonQuickTime" windows here
  160.    EndUpdate( theWindow );
  161. }
  162.  
  163.  
  164. //____________________________________________________________
  165.  
  166. void  HandleKeyDownEvent( EventRecord theEvent )
  167. {
  168.    short  theChar; 
  169.    long   theMenuAndItem;
  170.    
  171.    theChar = theEvent.message & charCodeMask;
  172.    
  173.    if ( ( theEvent.modifiers & cmdKey ) != 0 )
  174.    {
  175.       if ( theEvent.what != autoKey ) 
  176.       {
  177.          theMenuAndItem = MenuKey( theChar );
  178.          HandleMenuChoice( theMenuAndItem );
  179.       }
  180.    }
  181. }
  182.  
  183.  
  184. //____________________________________________________________
  185.  
  186. void  HandleMouseDownEvent( EventRecord theEvent )
  187. {
  188.    WindowPtr  theWindow;
  189.    short      thePart;
  190.    long       theMenuAndItem;
  191.    
  192.    thePart = FindWindow( theEvent.where, &theWindow );
  193.  
  194.    switch ( thePart )
  195.    {
  196.       case inMenuBar:
  197.          theMenuAndItem = MenuSelect( theEvent.where );
  198.          HandleMenuChoice( theMenuAndItem );              
  199.          break;
  200.          
  201.       case inGoAway: 
  202.          if ( TrackGoAway( theWindow, theEvent.where ) )
  203.          {
  204.             if ( GetWindowType( theWindow ) != kMovieWindowType )
  205.             {
  206.                DisposeWindow( theWindow );   
  207.                --gWindowCount;
  208.             }
  209.             else
  210.                CloseMovieAndFile( theWindow );
  211.          }
  212.          break;
  213.  
  214.       case inDrag: 
  215.          DragWindow( theWindow, theEvent.where, &qd.screenBits.bounds );
  216.          break;
  217.  
  218.       case inContent:
  219.          SelectWindow( theWindow );
  220.          break;
  221.    }
  222. }
  223.  
  224.  
  225. //____________________________________________________________
  226.  
  227. void  HandleMenuChoice( long  theMenuAndItem ) 
  228. {
  229.    short  theMenu;
  230.    short  theMenuItem;
  231.     
  232.    if ( theMenuAndItem != 0 )
  233.    {
  234.       theMenu = HiWord( theMenuAndItem ); 
  235.       theMenuItem = LoWord( theMenuAndItem ); 
  236.  
  237.       switch ( theMenu )
  238.       {
  239.          case mApple:
  240.             HandleAppleChoice( theMenuItem );
  241.             break;
  242.                 
  243.          case mFile: 
  244.             HandleFileChoice( theMenuItem );
  245.             break;
  246.             
  247.          case mEdit: 
  248.             HandleEditChoice( theMenuItem );
  249.             break;
  250.       }
  251.       HiliteMenu(0);     
  252.    }
  253. }
  254.  
  255.  
  256. //____________________________________________________________
  257.  
  258. void  HandleAppleChoice( short theMenuItem )
  259. {
  260.    switch ( theMenuItem )
  261.    {
  262.       case iAbout:
  263.          HandleAppleMenuAboutItem();
  264.          break;
  265.          
  266.       default:
  267.          HandleAppleMenuDefaultItem( theMenuItem );
  268.          break;
  269.    }
  270. }
  271.  
  272.  
  273. //____________________________________________________________
  274.  
  275. void  HandleFileChoice( short theMenuItem )
  276. {
  277.    switch ( theMenuItem )
  278.    {
  279.       case iOpen:
  280.          HandleFileMenuOpenItem();
  281.          break;
  282.          
  283.       case iClose:
  284.          HandleFileMenuCloseItem();
  285.          break;
  286.  
  287.       case iSave:
  288.          HandleFileMenuSaveItem();
  289.          break;
  290.  
  291.       case iSaveAs:
  292.          HandleFileMenuSaveAsItem();
  293.          break;
  294.  
  295.       case iQuit:
  296.          HandleFileMenuQuitItem();
  297.          break;
  298.    }
  299. }
  300.  
  301.  
  302. //____________________________________________________________
  303.  
  304. void  HandleEditChoice( short theMenuItem )
  305. {
  306.    switch ( theMenuItem )
  307.    {
  308.       case iUndo:
  309.          HandleEditMenuUndoItem();
  310.          break;
  311.  
  312.       case iCut:
  313.          HandleEditMenuCutItem();
  314.          break;
  315.  
  316.       case iCopy:
  317.          HandleEditMenuCopyItem();
  318.          break;
  319.  
  320.       case iPaste:
  321.          HandleEditMenuPasteItem();
  322.          break;
  323.  
  324.       case iClear:
  325.          HandleEditMenuClearItem();
  326.          break;
  327.          
  328.       case iSelectAll:   
  329.          HandleEditMenuSelectAllItem();
  330.          break;
  331.    }
  332. }
  333.  
  334.  
  335.