edit/editoptions.c

   1 /* editor options dialog box
   2
   3    Copyright (C) 1996, 1997, 1998, 2001, 2002, 2003, 2004, 2005, 2007
   4    Free Software Foundation, Inc.
   5
   6    Authors: 1996, 1997 Paul Sheer
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  21    02110-1301, USA.
  22 */
  23
  24 /** \file
  25  *  \brief Source: editor options dialog box
  26  *  \author Paul Sheer
  27  *  \date 1996, 1997
  28  */
  29
  30 #include <config.h>
  31
  32 #include <stdlib.h> /* atoi(), NULL */
  33
  34 #include "../src/global.h"
  35
  36 #include "edit-impl.h"
  37 #include "../src/dialog.h"      /* B_CANCEL */
  38 #include "../src/wtools.h"      /* QuickDialog */
  39
  40 #define OPT_DLG_H 21
  41 #define OPT_DLG_W 72
  42
  43 static const char *key_emu_str[] =
  44 {
  45     N_("Intuitive"),
  46     N_("Emacs"),
  47     N_("User-defined"),
  48     NULL
  49 };
  50
  51 static const char *wrap_str[] =
  52 {
  53     N_("None"),
  54     N_("Dynamic paragraphing"),
  55     N_("Type writer wrap"),
  56     NULL
  57 };
  58
  59 static void
  60 i18n_translate_array (const char *array[])
  61 {
  62     while (*array != NULL) {
  63         *array = _(*array);
  64         array++;
  65     }
  66 }
  67
  68 void
  69 edit_options_dialog (void)
  70 {
  71     char wrap_length[16], tab_spacing[16], *p, *q;
  72     int wrap_mode = 0;
  73     int old_syntax_hl;
  74     int tedit_key_emulation = edit_key_emulation;
  75
  76     QuickWidget quick_widgets[] =
  77     {
  78         /*  0 */ QUICK_BUTTON (6, 10, OPT_DLG_H - 3, OPT_DLG_H, N_("&Cancel"), B_CANCEL, NULL),
  79         /*  1 */ QUICK_BUTTON (2, 10, OPT_DLG_H - 3, OPT_DLG_H, N_("&OK"),     B_ENTER,  NULL),
  80         /*  2 */ QUICK_LABEL (OPT_DLG_W / 2, OPT_DLG_W, OPT_DLG_H - 6, OPT_DLG_H, N_("Word wrap line length: ")),
  81         /*  3 */ QUICK_INPUT (OPT_DLG_W / 2 + 24, OPT_DLG_W, OPT_DLG_H - 6, OPT_DLG_H,
  82                                 wrap_length, OPT_DLG_W / 2 - 4 - 24, 0, "edit-word-wrap", &p),
  83         /*  4 */ QUICK_LABEL (OPT_DLG_W / 2, OPT_DLG_W, OPT_DLG_H - 7, OPT_DLG_H, N_("Tab spacing: ")),
  84         /*  5 */ QUICK_INPUT (OPT_DLG_W / 2 + 24, OPT_DLG_W, OPT_DLG_H - 7, OPT_DLG_H,
  85                                 tab_spacing, OPT_DLG_W / 2 - 4 - 24, 0, "edit-tab-spacing", &q),
  86         /*  6 */ QUICK_CHECKBOX (OPT_DLG_W / 2 + 1, OPT_DLG_W, OPT_DLG_H - 8, OPT_DLG_H,
  87                                 N_("Cursor beyond end of line"), &option_cursor_beyond_eol),
  88         /*  7 */ QUICK_CHECKBOX (OPT_DLG_W / 2 + 1, OPT_DLG_W, OPT_DLG_H -  9, OPT_DLG_H,
  89                                 N_("Pers&istent selection"), &option_persistent_selections),
  90         /*  8 */ QUICK_CHECKBOX (OPT_DLG_W / 2 + 1, OPT_DLG_W, OPT_DLG_H - 10, OPT_DLG_H,
  91                                 N_("Synta&x highlighting"), &option_syntax_highlighting),
  92         /*  9 */ QUICK_CHECKBOX (OPT_DLG_W / 2 + 1, OPT_DLG_W, OPT_DLG_H - 11, OPT_DLG_H,
  93                                 N_("Visible tabs"), &visible_tabs),
  94         /* 10 */ QUICK_CHECKBOX (OPT_DLG_W / 2 + 1, OPT_DLG_W, OPT_DLG_H - 12, OPT_DLG_H,
  95                                 N_("Visible trailing spaces"), &visible_tws),
  96         /* 11 */ QUICK_CHECKBOX (OPT_DLG_W / 2 + 1, OPT_DLG_W, OPT_DLG_H - 13, OPT_DLG_H,
  97                                 N_("Save file &position"), &option_save_position),
  98         /* 12 */ QUICK_CHECKBOX (OPT_DLG_W / 2 + 1, OPT_DLG_W, OPT_DLG_H - 14, OPT_DLG_H,
  99                                 N_("Confir&m before saving"), &edit_confirm_save),
 100         /* 13 */ QUICK_CHECKBOX (OPT_DLG_W / 2 + 1, OPT_DLG_W, OPT_DLG_H - 15, OPT_DLG_H,
 101                                 N_("Fill tabs with &spaces"), &option_fill_tabs_with_spaces),
 102         /* 14 */ QUICK_CHECKBOX (OPT_DLG_W / 2 + 1, OPT_DLG_W, OPT_DLG_H - 16, OPT_DLG_H,
 103                                 N_("&Return does autoindent"), &option_return_does_auto_indent),
 104         /* 15 */ QUICK_CHECKBOX (OPT_DLG_W / 2 + 1, OPT_DLG_W, OPT_DLG_H - 17, OPT_DLG_H,
 105                                 N_("&Backspace through tabs"), &option_backspace_through_tabs),
 106         /* 16 */ QUICK_CHECKBOX (OPT_DLG_W / 2 + 1, OPT_DLG_W, OPT_DLG_H - 18, OPT_DLG_H,
 107                                  N_("&Fake half tabs"), &option_fake_half_tabs),
 108         /* 17 */ QUICK_RADIO (5, OPT_DLG_W, OPT_DLG_H - 11, OPT_DLG_H, 3, wrap_str, &wrap_mode),
 109         /* 18 */ QUICK_LABEL (4, OPT_DLG_W, OPT_DLG_H - 12, OPT_DLG_H, N_("Wrap mode")),
 110         /* 19 */ QUICK_RADIO (5, OPT_DLG_W, OPT_DLG_H - 17, OPT_DLG_H, 3, key_emu_str, &tedit_key_emulation),
 111         /* 10 */ QUICK_LABEL (4, OPT_DLG_W, OPT_DLG_H - 18, OPT_DLG_H, N_("Key emulation")),
 112         QUICK_END
 113     };
 114
 115     QuickDialog Quick_options =
 116     {
 117          OPT_DLG_W, OPT_DLG_H, -1, -1, N_(" Editor options "),
 118         "[Editor options]", quick_widgets, FALSE
 119      };
 120
 121 #ifdef ENABLE_NLS
 122     static gboolean i18n_flag = FALSE;
 123
 124     if (!i18n_flag) {
 125         i18n_translate_array (key_emu_str);
 126         i18n_translate_array (wrap_str);
 127         i18n_flag = TRUE;
 128     }
 129 #endif
 130
 131     g_snprintf (wrap_length, sizeof (wrap_length), "%d",
 132                 option_word_wrap_line_length);
 133     g_snprintf (tab_spacing, sizeof (tab_spacing), "%d",
 134                 option_tab_spacing);
 135
 136     if (option_auto_para_formatting)
 137         wrap_mode = 1;
 138     else if (option_typewriter_wrap)
 139         wrap_mode = 2;
 140     else
 141         wrap_mode = 0;
 142
 143     if (quick_dialog (&Quick_options) == B_CANCEL)
 144         return;
 145
 146     old_syntax_hl = option_syntax_highlighting;
 147
 148     if (p) {
 149         option_word_wrap_line_length = atoi (p);
 150         g_free (p);
 151     }
 152     if (q) {
 153         option_tab_spacing = atoi (q);
 154         if (option_tab_spacing <= 0)
 155             option_tab_spacing = 8;
 156         g_free (q);
 157     }
 158
 159     if (wrap_mode == 1) {
 160         option_auto_para_formatting = 1;
 161         option_typewriter_wrap = 0;
 162     } else if (wrap_mode == 2) {
 163         option_auto_para_formatting = 0;
 164         option_typewriter_wrap = 1;
 165     } else {
 166         option_auto_para_formatting = 0;
 167         option_typewriter_wrap = 0;
 168     }
 169
 170     /* Reload menu if key emulation has changed */
 171     if (edit_key_emulation != tedit_key_emulation) {
 172         edit_key_emulation = tedit_key_emulation;
 173         edit_reload_menu ();
 174     }
 175
 176     /* Load or unload syntax rules if the option has changed */
 177     if (option_syntax_highlighting != old_syntax_hl)
 178         edit_load_syntax (wedit, NULL, option_syntax_type);
 179 }