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C/C++ Source or Header  |  1996-06-17  |  3.7 KB  |  142 lines
  1. /* Reaktion auf Buttons
  2.  
  3.    (geschrieben unter StormC V1.1)
  4.  
  5.    $VER:              1.0 (12.06.96)
  6.  
  7.    Autor:             Thomas Mittelsdorf
  8.  
  9.    © 1996 HAAGE & PARTNER Computer GmbH,  All Rights Reserved
  10.  
  11. */
  12.  
  13. #include    <stdio.h>
  14.  
  15. #include    <clib/alib_protos.h>
  16.  
  17. #include    <pragma/exec_lib.h>
  18. #include    <pragma/intuition_lib.h>
  19. #include    <pragma/utility_lib.h>
  20. #include    <pragma/wizard_lib.h>
  21.  
  22. #include    <libraries/wizard.h>
  23. #include    <intuition/gadgetclass.h>
  24. #include    <intuition/intuition.h>
  25.  
  26. #include    "reaction.h"
  27.  
  28. APTR    surface;
  29. struct Screen    *screen;
  30. struct NewWindow *newwin;
  31. struct Window    *window;
  32. struct WizardWindowHandle *winhandle;
  33. struct Gadget *gads[WINDOW_MAIN_GADGETS];
  34.  
  35. void main( void)
  36. {
  37.     BOOL Flag;
  38.  
  39.     struct IntuiMessage *msg;
  40.  
  41.  
  42.     // Erstmal die Oberflächenbeschreibung bereitstellen!
  43.     if ((surface=WZ_OpenSurface("reaction.wizard",0L,TAG_DONE)))
  44.     {
  45.  
  46.         // Natürlich brauchen wir auch einen Screen oder?
  47.         if ((screen=LockPubScreen(0L)))
  48.         {
  49.  
  50.             // Jetzt holen wir uns ein WindowHandle, mit dem unsere Objekte
  51.             // durch die wizard.library verwaltet werden.
  52.             if ((winhandle=WZ_AllocWindowHandle(screen,0L,surface,TAG_DONE)))
  53.             {
  54.  
  55.                 // Da ein WindowHandle nur Sinn macht, wenn auch die Objekte
  56.                 // darin vorkommen, legen wir diese Objekte jetzt an.
  57.                 if ((newwin=WZ_CreateWindowObj(winhandle,WINDOW_MAIN,WWH_GadgetArray,gads,
  58.                                                                                             WWH_GadgetArraySize,sizeof(gads),
  59.                                                                                             TAG_DONE)))
  60.                 {
  61.  
  62.                     // Nachdem das glatt ging, versuchen wir unser
  63.                     // Fenster zu öffnen. Dabei werden alle Objekte installiert.
  64.                     if ((window=WZ_OpenWindow(winhandle,newwin,WA_AutoAdjust,TRUE,
  65.                                                                             TAG_DONE)))
  66.                     {
  67.                         Flag=TRUE;    // Flag zum Beenden der nachfolgenden Schleife
  68.  
  69.                         do
  70.                         {
  71.                             // Da wir keine Rechenzeit verschwenden wollen, werden wir
  72.                             // das Program "schlafen" legen, bis eine Nachricht
  73.                             // eintifft. Für Profis gilt, das auch Wait() verwendet
  74.                             // werden kann.
  75.                             WaitPort(window->UserPort);
  76.  
  77.                             if ((msg=(struct IntuiMessage *)GetMsg(window->UserPort)))
  78.                             {
  79.                                 switch(msg->Class)
  80.                                 {
  81.                                     case IDCMP_CLOSEWINDOW:
  82.                                         {
  83.                                             Flag=FALSE;
  84.                                         }
  85.                                         break;
  86.  
  87.                                     case IDCMP_IDCMPUPDATE:
  88.                                         {
  89.                                             switch(GetTagData(GA_ID,0,(struct TagItem *)msg->IAddress))
  90.                                             {
  91.                                                 case MAIN_BUTTON_BEEP:
  92.                                                     {
  93.                                                         // Na wenn wir Beepen sollen, dann
  94.                                                         // tun wir das einfach oder ?
  95.  
  96.                                                         DisplayBeep(NULL);
  97.                                                     }
  98.                                                     break;
  99.  
  100.                                                 case MAIN_BUTTON_QUIT:
  101.                                                     {
  102.                                                         // Ready to End the program.
  103.  
  104.                                                         Flag=FALSE;
  105.                                                     }
  106.                                                     break;
  107.                                             }
  108.                                         }
  109.                                         break;
  110.                                 }
  111.  
  112.                                 // Da wir keine Speicherleichen dulden und
  113.                                 // das Nachrichtensystem nicht durcheinanden bringen
  114.                                 // wollen, teilen wir den Betriebssystem mit, das
  115.                                 // die Nachricht von uns nicht mehr benötigt wird.
  116.                                 ReplyMsg((struct Message *)msg);
  117.                             }
  118.                         }
  119.                         while (Flag);
  120.  
  121.                         // Fenster schließen
  122.                         WZ_CloseWindow(winhandle);
  123.                     }
  124.                 }
  125.  
  126.                 // In jedem Fall muß ein mit WZ_AllocWindowHandle() angelegter
  127.                 // WindowHandle auch wieder freigegeben werden. Übrigens
  128.                 // kann das Fenster hierbei noch offen sein. Probieren Sie es!
  129.                 WZ_FreeWindowHandle(winhandle);
  130.             }
  131.  
  132.             // PublicScreen-Benutzerzähler wieder um eins verringern
  133.             UnlockPubScreen(0L,screen);
  134.         }
  135.  
  136.         // Da wir keine Objekte von dieser Surface mehr besitzen und wir diese
  137.         // auch nicht mehr anlegen geben wir sie frei. Übrigens noch
  138.         // nicht freigegebene WindowHandles werden hierbei von der
  139.         // wizard.libarry entfernt (Fenster auch geschlossen).
  140.         WZ_CloseSurface(surface);
  141.     }
  142. }