workbench/classes/zune/nlist/nlist_mcc/NList_img.c

   1 /***************************************************************************
   2
   3  NList.mcc - New List MUI Custom Class
   4  Registered MUI class, Serial Number: 1d51 0x9d510030 to 0x9d5100A0
   5                                            0x9d5100C0 to 0x9d5100FF
   6
   7  Copyright (C) 1996-2001 by Gilles Masson
   8  Copyright (C) 2001-2014 NList Open Source Team
   9
  10  This library is free software; you can redistribute it and/or
  11  modify it under the terms of the GNU Lesser General Public
  12  License as published by the Free Software Foundation; either
  13  version 2.1 of the License, or (at your option) any later version.
  14
  15  This library is distributed in the hope that it will be useful,
  16  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  Lesser General Public License for more details.
  19
  20  NList classes Support Site:  http://www.sf.net/projects/nlist-classes
  21
  22  $Id$
  23
  24 ***************************************************************************/
  25
  26 #include <clib/alib_protos.h>
  27 #include <proto/muimaster.h>
  28 #include <proto/utility.h>
  29 #include <proto/intuition.h>
  30
  31 #include "private.h"
  32
  33 #include "NList_img.h"
  34
  35 struct MUI_CustomClass *NLI_Class = NULL;
  36
  37 static IPTR mNLI_Draw(struct IClass *cl,Object *obj,struct MUIP_Draw *msg)
  38 {
  39   struct NLIData *data = INST_DATA(cl,obj);
  40   if (data->DoDraw)
  41     DoSuperMethodA(cl,obj,(Msg) msg);
  42
  43   return(0);
  44 }
  45
  46
  47 static IPTR mNLI_New(struct IClass *cl,Object *obj,struct opSet *msg)
  48 {
  49   struct NLIData *data;
  50
  51   if (!(obj = (Object *)DoSuperMethodA(cl,obj,(Msg) msg)))
  52     return(0);
  53
  54   data = INST_DATA(cl,obj);
  55   data->DoDraw = FALSE;
  56
  57   return((IPTR) obj);
  58 }
  59
  60
  61 static IPTR mNLI_Set(struct IClass *cl,Object *obj,Msg msg)
  62 {
  63   struct NLIData *data = INST_DATA(cl,obj);
  64   struct TagItem *tags,*tag;
  65
  66   for(tags=((struct opSet *)msg)->ops_AttrList;(tag=(struct TagItem *) NextTagItem((APTR)&tags));)
  67   {
  68     switch (tag->ti_Tag)
  69     {
  70       case MUIA_Image_Spec:
  71         tag->ti_Tag = TAG_IGNORE;
  72         data->DoDraw = TRUE;
  73         MUI_Redraw(obj,MADF_DRAWOBJECT);
  74         data->DoDraw = FALSE;
  75         break;
  76       case MUIA_FillArea:
  77       case MUIA_Font:
  78       case MUIA_Background:
  79         tag->ti_Tag = TAG_IGNORE;
  80         break;
  81     }
  82   }
  83   return (DoSuperMethodA(cl,obj,msg));
  84 }
  85
  86 DISPATCHER(NLI_Dispatcher)
  87 {
  88   switch (msg->MethodID)
  89   {
  90     case OM_NEW           : return (  mNLI_New(cl,obj,(APTR)msg));
  91     case MUIM_HandleInput : return (0);
  92     case OM_SET           : return (  mNLI_Set(cl,obj,(APTR)msg));
  93     case MUIM_Draw        : return ( mNLI_Draw(cl,obj,(APTR)msg));
  94   }
  95   return(DoSuperMethodA(cl,obj,msg));
  96 }
  97
  98 struct MUI_CustomClass *NLI_Create(void)
  99 {
 100   NLI_Class = MUI_CreateCustomClass(NULL, (STRPTR)MUIC_Image, NULL, sizeof(struct NLIData), ENTRY(NLI_Dispatcher));
 101   return (NLI_Class);
 102 }
 103
 104
 105 void NLI_Delete(void)
 106 {
 107   if (NLI_Class)
 108     MUI_DeleteCustomClass(NLI_Class);
 109   NLI_Class = NULL;
 110 }
 111