workbench/libs/muimaster/clipboard.c

   1 /*
   2     Copyright © 1999, David Le Corfec.
   3     Copyright © 2002, The AROS Development Team.
   4     All rights reserved.
   5
   6     $Id$
   7 */
   8
   9 #include <ctype.h>
  10 #include <stdlib.h>
  11 #include <string.h>
  12 #include <stdio.h>
  13
  14 #include <exec/types.h>
  15 #include <exec/memory.h>
  16
  17 #include <clib/alib_protos.h>
  18 #include <libraries/iffparse.h>
  19 #include <datatypes/textclass.h>
  20 #include <proto/exec.h>
  21 #include <proto/iffparse.h>
  22 #include <proto/utility.h>
  23
  24 #include "mui.h"
  25 #include "clipboard.h"
  26 #include "support.h"
  27
  28 #include "muimaster_intern.h"
  29
  30 //#define MYDEBUG 1
  31 #include "debug.h"
  32
  33 extern struct Library *MUIMasterBase;
  34
  35 void clipboard_write_text(STRPTR text, LONG textlen)
  36 {
  37     struct IFFHandle *iff;
  38
  39     if ((iff = AllocIFF()))
  40     {
  41         if ((iff->iff_Stream = (IPTR) OpenClipboard(0)))
  42         {
  43             InitIFFasClip(iff);
  44             if (!OpenIFF(iff, IFFF_WRITE))
  45             {
  46                 if (!PushChunk(iff, ID_FTXT, ID_FORM, IFFSIZE_UNKNOWN))
  47                 {
  48                     if (!PushChunk(iff, ID_FTXT, ID_CHRS, IFFSIZE_UNKNOWN))
  49                     {
  50                         WriteChunkBytes(iff, text, textlen);
  51
  52                         PopChunk(iff);
  53
  54                     }
  55                     PopChunk(iff);
  56                 }
  57                 CloseIFF(iff);
  58             }
  59             CloseClipboard((struct ClipboardHandle *)iff->iff_Stream);
  60         }
  61         FreeIFF(iff);
  62     }
  63 }
  64
  65 STRPTR clipboard_read_text(void)
  66 {
  67     struct IFFHandle *iff;
  68     struct ContextNode *cn;
  69     STRPTR retval = 0;
  70
  71     if ((iff = AllocIFF()))
  72     {
  73         if ((iff->iff_Stream = (IPTR) OpenClipboard(0)))
  74         {
  75             InitIFFasClip(iff);
  76
  77             if (!OpenIFF(iff, IFFF_READ))
  78             {
  79                 if (!(StopChunk(iff, ID_FTXT, ID_CHRS)))
  80                 {
  81                     if (!ParseIFF(iff, IFFPARSE_SCAN))
  82                     {
  83                         cn = CurrentChunk(iff);
  84
  85                         if ((cn->cn_Type == ID_FTXT)
  86                             && (cn->cn_ID == ID_CHRS) && (cn->cn_Size > 0))
  87                         {
  88                             if ((retval = mui_alloc(cn->cn_Size + 1)))
  89                             {
  90                                 ReadChunkBytes(iff, retval, cn->cn_Size);
  91
  92                                 retval[cn->cn_Size] = '\0';
  93                             }
  94                         }
  95                     }
  96                 }
  97                 CloseIFF(iff);
  98             }
  99             CloseClipboard((struct ClipboardHandle *)iff->iff_Stream);
 100
 101         }
 102         FreeIFF(iff);
 103     }
 104
 105     return retval;
 106 }
 107
 108 void clipboard_free_text(STRPTR text)
 109 {
 110     mui_free(text);
 111 }