workbench/devs/diskimage/zune_gui/images.c

   1 /* Copyright 2007-2012 Fredrik Wikstrom. All rights reserved.
   2 **
   3 ** Redistribution and use in source and binary forms, with or without
   4 ** modification, are permitted provided that the following conditions
   5 ** are met:
   6 **
   7 ** 1. Redistributions of source code must retain the above copyright
   8 **    notice, this list of conditions and the following disclaimer.
   9 **
  10 ** 2. Redistributions in binary form must reproduce the above copyright
  11 **    notice, this list of conditions and the following disclaimer in the
  12 **    documentation and/or other materials provided with the distribution.
  13 **
  14 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
  15 ** AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16 ** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17 ** ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  18 ** LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  19 ** CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  20 ** SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  21 ** INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  22 ** CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  23 ** ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  24 ** POSSIBILITY OF SUCH DAMAGE.
  25 */
  26
  27 #include "diskimagegui.h"
  28 #include <proto/dos.h>
  29 #include <proto/muimaster.h>
  30
  31 static BPTR FileExists (CONST_STRPTR dir, CONST_STRPTR file, STRPTR path, int32 path_size) {
  32         BPTR fh;
  33         Strlcpy(path, dir, path_size);
  34         AddPart(path, file, path_size);
  35         fh = Open(path, MODE_OLDFILE);
  36         if (fh) Close(fh);
  37         return fh;
  38 }
  39
  40 BOOL FindImage (CONST_STRPTR image, STRPTR path, int32 path_size) {
  41         return FileExists("PROGDIR:", image, path, path_size)
  42                 || FileExists("PROGDIR:Images/digfx", image, path, path_size)
  43             || FileExists("IMAGES:digfx", image, path, path_size);
  44 }
  45
  46 Object *LoadImage (CONST_STRPTR image, STRPTR image_path, const struct TagItem *tags) {
  47         if (!FindImage(image, image_path, IMG_PATH_LEN)) {
  48                 return NULL;
  49         }
  50         return DtpicObject,
  51                 MUIA_Dtpic_Name,                image_path,
  52                 tags ? TAG_MORE : TAG_END,      tags,
  53         End;
  54 }
  55
  56 Object *MakeImageButton (CONST_STRPTR image, CONST_STRPTR help, BOOL disabled, STRPTR image_path) {
  57         Object *button;
  58         struct TagItem tags[] = {
  59                 { MUIA_Frame,     MUIV_Frame_ImageButton   },
  60                 { MUIA_InputMode, MUIV_InputMode_RelVerify },
  61                 { MUIA_ShortHelp, (IPTR)help               },
  62                 { MUIA_Disabled,  disabled                 },
  63                 { TAG_END,        0                        }
  64         };
  65         button = LoadImage(image, image_path, tags);
  66         if (!button) {
  67                 ImageNotFoundRequester(image);
  68         }
  69         return button;
  70 }