src/selcodepage.c

   1 #include <config.h>
   2
   3 #ifdef HAVE_CHARSET
   4 #include <stdlib.h>
   5 #include <stdio.h>
   6
   7 #include "global.h"
   8 #include "dlg.h"
   9 #include "dialog.h"
  10 #include "widget.h"
  11 #include "wtools.h"
  12 #include "charsets.h"
  13 #include "selcodepage.h"
  14 #include "main.h"
  15
  16 #define ENTRY_LEN 35
  17
  18 /* Numbers of (file I/O) and (input/display) codepages. -1 if not selected */
  19 int source_codepage = -1;
  20 int display_codepage = -1;
  21
  22 static unsigned char get_hotkey( int n )
  23 {
  24     return (n <= 9) ? '0' + n : 'a' + n - 10;
  25 }
  26
  27 int select_charset( int current_charset, int seldisplay )
  28 {
  29     int i, menu_lines = n_codepages + 1;
  30
  31     /* Create listbox */
  32     Listbox* listbox =
  33         create_listbox_window ( ENTRY_LEN + 2, menu_lines,
  34                                 _(" Choose input codepage "),
  35                                 "[Codepages Translation]");
  36
  37     if (!seldisplay)
  38         LISTBOX_APPEND_TEXT( listbox, '-', _("-  < No translation >"), NULL );
  39
  40     /* insert all the items found */
  41     for (i = 0; i < n_codepages; i++) {
  42         struct codepage_desc cpdesc = codepages[i];
  43         char buffer[255];
  44         sprintf( buffer, "%c  %s", get_hotkey(i), cpdesc.name );
  45         LISTBOX_APPEND_TEXT( listbox, get_hotkey(i), buffer, NULL );
  46     }
  47     if (seldisplay) {
  48         char buffer[255];
  49         sprintf( buffer, "%c  %s", get_hotkey(n_codepages), _("Other 8 bit"));
  50         LISTBOX_APPEND_TEXT( listbox, get_hotkey(n_codepages), buffer, NULL );
  51     }
  52
  53     /* Select the default entry */
  54     i = (seldisplay)
  55         ?
  56         ( (current_charset < 0) ? n_codepages : current_charset )
  57         :
  58         ( current_charset + 1 );
  59
  60     listbox_select_by_number( listbox->list, i );
  61
  62     i = run_listbox( listbox );
  63
  64     return (seldisplay) ? ( (i >= n_codepages) ? -1 : i )
  65                         : ( i - 1 );
  66 }
  67
  68 /* Helper functions for codepages support */
  69
  70
  71 int do_select_codepage(void)
  72 {
  73 #ifndef HAVE_ICONV
  74
  75     message( 1, _(" Warning "),
  76             _("Midnight Commander was compiled without iconv support,\n"
  77              "so charsets recoding feature is not available!" ));
  78     return -1;
  79
  80 #else
  81
  82     char *errmsg;
  83
  84     if (display_codepage > 0) {
  85         source_codepage = select_charset( source_codepage, 0 );
  86         errmsg = init_translation_table( source_codepage, display_codepage );
  87         if (errmsg) {
  88             message( 1, MSG_ERROR, "%s", errmsg );
  89             return -1;
  90         }
  91     } else {
  92         message( 1, _(" Warning "),
  93                _("To use this feature select your codepage in\n"
  94                  "Setup / Display Bits dialog!\n"
  95                  "Do not forget to save options." ));
  96         return -1;
  97     }
  98     return 0;
  99
 100 #endif /* HAVE_ICONV */
 101 }
 102
 103 #endif /* HAVE_CHARSET */