rom/intuition/activategadget.c

   1 /*
   2     Copyright © 1995-2007, The AROS Development Team. All rights reserved.
   3     Copyright © 2001-2003, The MorphOS Development Team. All Rights Reserved.
   4     $Id$
   5 */
   6
   7 #include "intuition_intern.h"
   8 #include "inputhandler_actions.h"
   9 #include "inputhandler.h"
  10 #include "gadgets.h"
  11
  12 #include <proto/exec.h>
  13
  14 struct ActivateGadgetActionMsg
  15 {
  16     struct IntuiActionMsg    msg;
  17     struct Window           *window;
  18     struct Requester        *requester;
  19     struct Gadget           *gadget;
  20     BOOL                     success;
  21 };
  22
  23 #define DEBUG_ACTIVATEGADGET(x) ;
  24
  25 static VOID int_activategadget(struct ActivateGadgetActionMsg *msg,
  26                                struct IntuitionBase *IntuitionBase);
  27
  28 /*****************************************************************************
  29
  30     NAME */
  31 #include <proto/intuition.h>
  32
  33     AROS_LH3(BOOL, ActivateGadget,
  34
  35 /*  SYNOPSIS */
  36          AROS_LHA(struct Gadget *   , gadget, A0),
  37          AROS_LHA(struct Window *   , window, A1),
  38          AROS_LHA(struct Requester *, requester, A2),
  39
  40 /*  LOCATION */
  41          struct IntuitionBase *, IntuitionBase, 77, Intuition)
  42
  43 /*  FUNCTION
  44     Activates the specified gadget.
  45
  46     INPUTS
  47     gadget - The gadget to activate
  48     window - The window which contains the gadget
  49     requester - The requester which contains the gadget or
  50         NULL if it is not a requester gadget
  51
  52     RESULT
  53
  54     NOTES
  55
  56     EXAMPLE
  57
  58     BUGS
  59
  60     SEE ALSO
  61
  62     INTERNALS
  63
  64     HISTORY
  65
  66 *****************************************************************************/
  67 {
  68     AROS_LIBFUNC_INIT
  69
  70     BOOL success = FALSE;
  71
  72     DEBUG_ACTIVATEGADGET(dprintf("ActivateGadget: Gadget 0x%lx Window 0x%lx Req 0x%lx\n",
  73                                  gadget, window, requester));
  74
  75     if (gadget && (window || requester))
  76     {
  77         if (1)
  78         {
  79             if ((((gadget->GadgetType & GTYP_GTYPEMASK) == GTYP_CUSTOMGADGET) && (!(gadget->Activation & GACT_ACTIVEGADGET))) ||
  80                 ((gadget->GadgetType & GTYP_GTYPEMASK) == GTYP_STRGADGET))
  81             {
  82                 struct ActivateGadgetActionMsg msg;
  83
  84                 msg.window    = window;
  85                 msg.requester = requester;
  86                 msg.gadget    = gadget;
  87
  88                 DEBUG_ACTIVATEGADGET(dprintf("ActivateGadget: send gadget activation msg\n"));
  89
  90                 DoSyncAction((APTR)int_activategadget, &msg.msg, IntuitionBase);
  91
  92                 success = msg.success;
  93             }
  94             else
  95             {
  96                 DEBUG_ACTIVATEGADGET(dprintf("ActivateGadget: no Custom/Stringgadget\n"));
  97             }
  98
  99         } /* if (!(gadget->Activation & GACT_ACTIVEGADGET)) */
 100         else
 101         {
 102             DEBUG_ACTIVATEGADGET(dprintf("ActivateGadget: Gadget Activation bit already set\n"));
 103             success = TRUE;
 104         }
 105
 106     } /* if (gadget && (window || requester)) */
 107     else
 108     {
 109         DEBUG_ACTIVATEGADGET(dprintf("ActivateGadget: No Gadget/Window/Requester\n"));
 110     }
 111     DEBUG_ACTIVATEGADGET(dprintf("ActivateGadget: Success %d\n",
 112                                  success));
 113
 114     return success;
 115
 116     AROS_LIBFUNC_EXIT
 117
 118 } /* ActivateGadget */
 119
 120
 121 static VOID int_activategadget(struct ActivateGadgetActionMsg *msg,
 122                                struct IntuitionBase *IntuitionBase)
 123 {
 124     struct IIHData   *iihdata = (struct IIHData *)GetPrivIBase(IntuitionBase)->InputHandler->is_Data;
 125     struct Window    *window = msg->window;
 126     struct Requester *req = msg->requester;
 127     struct Gadget    *gadget = msg->gadget;
 128
 129     DEBUG_ACTIVATEGADGET(dprintf("int_ActivateGadget: Gadget 0x%lx Window 0x%lx Req 0x%lx\n",
 130                          gadget,
 131                          window,
 132                          req));
 133
 134     msg->success = FALSE;
 135
 136     /* Activate gadget only if no other gadget is
 137        actually active and the gadget to be
 138        activated is in the actual active window
 139        and the gadget is not disabled */
 140
 141     DEBUG_ACTIVATEGADGET(dprintf("int_ActivateGadget: activeGadget 0x%lx\n",
 142                     iihdata->ActiveGadget));
 143
 144     if ((iihdata->ActiveGadget == NULL) &&
 145         (IntuitionBase->ActiveWindow == window) &&
 146         ((gadget->Flags & GFLG_DISABLED) == 0))
 147     {
 148         msg->success = (DoActivateGadget(window, req, gadget, IntuitionBase) != NULL);
 149     }
 150 }