rom/intuition/activategadget.c

   1 /*
   2     Copyright © 1995-2013, 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 *****************************************************************************/
  65 {
  66     AROS_LIBFUNC_INIT
  67
  68     BOOL success = FALSE;
  69
  70     DEBUG_ACTIVATEGADGET(dprintf("ActivateGadget: Gadget 0x%lx Window 0x%lx Req 0x%lx\n",
  71                                  gadget, window, requester));
  72
  73     if (gadget && (window || requester))
  74     {
  75         if (1)
  76         {
  77             if ((((gadget->GadgetType & GTYP_GTYPEMASK) == GTYP_CUSTOMGADGET) && (!(gadget->Activation & GACT_ACTIVEGADGET))) ||
  78                 ((gadget->GadgetType & GTYP_GTYPEMASK) == GTYP_STRGADGET))
  79             {
  80                 struct ActivateGadgetActionMsg msg;
  81
  82                 msg.window    = window;
  83                 msg.requester = requester;
  84                 msg.gadget    = gadget;
  85
  86                 DEBUG_ACTIVATEGADGET(dprintf("ActivateGadget: send gadget activation msg\n"));
  87
  88                 DoSyncAction((APTR)int_activategadget, &msg.msg, IntuitionBase);
  89
  90                 success = msg.success;
  91             }
  92             else
  93             {
  94                 DEBUG_ACTIVATEGADGET(dprintf("ActivateGadget: no Custom/Stringgadget\n"));
  95             }
  96
  97         } /* if (!(gadget->Activation & GACT_ACTIVEGADGET)) */
  98         else
  99         {
 100             DEBUG_ACTIVATEGADGET(dprintf("ActivateGadget: Gadget Activation bit already set\n"));
 101             success = TRUE;
 102         }
 103
 104     } /* if (gadget && (window || requester)) */
 105     else
 106     {
 107         DEBUG_ACTIVATEGADGET(dprintf("ActivateGadget: No Gadget/Window/Requester\n"));
 108     }
 109     DEBUG_ACTIVATEGADGET(dprintf("ActivateGadget: Success %d\n",
 110                                  success));
 111
 112     return success;
 113
 114     AROS_LIBFUNC_EXIT
 115
 116 } /* ActivateGadget */
 117
 118
 119 static VOID int_activategadget(struct ActivateGadgetActionMsg *msg,
 120                                struct IntuitionBase *IntuitionBase)
 121 {
 122     struct IIHData   *iihdata = (struct IIHData *)GetPrivIBase(IntuitionBase)->InputHandler->is_Data;
 123     struct Window    *window = msg->window;
 124     struct Requester *req = msg->requester;
 125     struct Gadget    *gadget = msg->gadget;
 126
 127     DEBUG_ACTIVATEGADGET(dprintf("int_ActivateGadget: Gadget 0x%lx Window 0x%lx Req 0x%lx\n",
 128                          gadget,
 129                          window,
 130                          req));
 131
 132     msg->success = FALSE;
 133
 134     /* Activate gadget only if no other gadget is
 135        actually active and the gadget to be
 136        activated is in the actual active window
 137        and the gadget is not disabled */
 138
 139     DEBUG_ACTIVATEGADGET(dprintf("int_ActivateGadget: activeGadget 0x%lx\n",
 140                     iihdata->ActiveGadget));
 141
 142     if ((iihdata->ActiveGadget == NULL) &&
 143         (IntuitionBase->ActiveWindow == window) &&
 144         ((gadget->Flags & GFLG_DISABLED) == 0))
 145     {
 146         msg->success = (DoActivateGadget(window, req, gadget, IntuitionBase) != NULL);
 147     }
 148 }