workbench/classes/zune/iconimage/iconimage.c

   1 /*
   2     Copyright © 2003-2004, The AROS Development Team. All rights reserved.
   3     This file is part of the IconImage class, which is distributed under
   4     the terms of version 2.1 of the GNU Lesser General Public License.
   5
   6     $Id$
   7 */
   8
   9 #define MUIMASTER_YES_INLINE_STDARG
  10
  11 #include <workbench/workbench.h>
  12 #include <workbench/icon.h>
  13 #include <utility/tagitem.h>
  14 #include <libraries/mui.h>
  15 #include <dos/dos.h>
  16
  17 #include <proto/muimaster.h>
  18 #include <proto/intuition.h>
  19 #include <proto/utility.h>
  20 #include <proto/locale.h>
  21 #include <proto/dos.h>
  22 #include <proto/icon.h>
  23
  24 #include <string.h>
  25
  26 #include "iconimage.h"
  27 #include "iconimage_private.h"
  28
  29
  30 /*** Methods ****************************************************************/
  31 Object *IconImage__OM_NEW
  32 (
  33     Class *CLASS, Object *self, struct opSet *message
  34 )
  35 {
  36     struct IconImage_DATA *data       = NULL;
  37     struct TagItem        *tag        = NULL, *tstate = message->ops_AttrList;
  38     struct DiskObject     *diskObject = NULL;
  39     CONST_STRPTR           file       = NULL;
  40
  41     while ((tag = NextTagItem(&tstate)) != NULL)
  42     {
  43         switch (tag->ti_Tag)
  44         {
  45             case MUIA_IconImage_DiskObject:
  46                 diskObject = (struct DiskObject *) tag->ti_Data;
  47                 break;
  48
  49             case MUIA_IconImage_File:
  50                 file = (CONST_STRPTR) tag->ti_Data;
  51                 break;
  52         }
  53     }
  54
  55     if (diskObject == NULL && file == NULL) goto error; /* Must specify one */
  56     if (diskObject != NULL && file != NULL) goto error; /* Cannot specify both */
  57
  58     if (diskObject == NULL && file != NULL)
  59     {
  60         diskObject = GetDiskObjectNew(file);
  61         if (diskObject == NULL) goto error;
  62     }
  63
  64     self = (Object *) DoSuperNewTags
  65     (
  66         CLASS, self, NULL,
  67
  68         MUIA_FillArea,        FALSE,
  69         TAG_MORE,      (IPTR) message->ops_AttrList
  70     );
  71
  72     if (self == NULL) goto error;
  73
  74     data = INST_DATA(CLASS, self);
  75     data->iid_DiskObject = diskObject;
  76
  77     return self;
  78
  79 error:
  80     return NULL;
  81 }
  82
  83 IPTR IconImage__MUIM_Draw
  84 (
  85     Class *CLASS, Object *self, struct MUIP_Draw *message
  86 )
  87 {
  88     struct IconImage_DATA *data = INST_DATA(CLASS, self);
  89     IPTR                   rc   = DoSuperMethodA(CLASS, self, (Msg) message);
  90     IPTR                   selected;
  91
  92     DoMethod
  93     (
  94         self, MUIM_DrawParentBackground,
  95         _mleft(self), _mtop(self), _mwidth(self), _mheight(self), 0, 0, 0
  96     );
  97
  98     get(self, MUIA_Selected, &selected);
  99
 100     DrawIconState
 101     (
 102         _rp(self), data->iid_DiskObject, NULL,
 103         _mleft(self), _mtop(self), selected ? IDS_SELECTED : IDS_NORMAL,
 104
 105         ICONDRAWA_Frameless,       TRUE,
 106         ICONDRAWA_Borderless,      TRUE,
 107         ICONDRAWA_EraseBackground, FALSE,
 108         TAG_DONE
 109     );
 110
 111     return rc;
 112 }
 113
 114 IPTR IconImage__MUIM_AskMinMax
 115 (
 116     Class *CLASS, Object *self, struct MUIP_AskMinMax *message
 117 )
 118 {
 119     struct IconImage_DATA *data = INST_DATA(CLASS, self);
 120     IPTR                   rc   = DoSuperMethodA(CLASS, self, (Msg) message);
 121     struct Rectangle       size;
 122
 123     memset(&size, 0, sizeof(struct Rectangle));
 124
 125     if
 126     (
 127         GetIconRectangle
 128         (
 129             _rp(self), data->iid_DiskObject, NULL, &size,
 130
 131             ICONDRAWA_Borderless, TRUE,
 132             TAG_DONE
 133         )
 134     )
 135     {
 136         WORD w = size.MaxX - size.MinX + 1;
 137         WORD h = size.MaxY - size.MinY + 1;
 138
 139         message->MinMaxInfo->MinWidth  += w;
 140         message->MinMaxInfo->MaxWidth  += w;
 141         message->MinMaxInfo->DefWidth  += w;
 142         message->MinMaxInfo->MinHeight += h;
 143         message->MinMaxInfo->MaxHeight += h;
 144         message->MinMaxInfo->DefHeight += h;
 145     }
 146
 147     return rc;
 148 }