src/editor/editoptions.c

   1 /*
   2    Editor options dialog box
   3
   4    Copyright (C) 1996, 1997, 1998, 2001, 2002, 2003, 2004, 2005, 2007, 2011,
   5    2012
   6    The Free Software Foundation, Inc.
   7
   8    Written by:
   9    Paul Sheer, 1996, 1997
  10    Andrew Borodin <aborodin@vmail.ru> 2012
  11
  12    This file is part of the Midnight Commander.
  13
  14    The Midnight Commander is free software: you can redistribute it
  15    and/or modify it under the terms of the GNU General Public License as
  16    published by the Free Software Foundation, either version 3 of the License,
  17    or (at your option) any later version.
  18
  19    The Midnight Commander is distributed in the hope that it will be useful,
  20    but WITHOUT ANY WARRANTY; without even the implied warranty of
  21    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22    GNU General Public License for more details.
  23
  24    You should have received a copy of the GNU General Public License
  25    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  26  */
  27
  28 /** \file
  29  *  \brief Source: editor options dialog box
  30  *  \author Paul Sheer
  31  *  \date 1996, 1997
  32  */
  33
  34 #include <config.h>
  35
  36 #include <stdlib.h>             /* atoi(), NULL */
  37
  38 #include "lib/global.h"
  39 #include "lib/widget.h"
  40
  41 #include "editwidget.h"
  42 #include "edit-impl.h"
  43 #include "src/setup.h"          /* option_tab_spacing */
  44
  45 /*** global variables ****************************************************************************/
  46
  47 /*** file scope macro definitions ****************************************************************/
  48
  49 #define OPT_DLG_H 17
  50 #define OPT_DLG_W 74
  51
  52 /*** file scope type declarations ****************************************************************/
  53
  54 /*** file scope variables ************************************************************************/
  55
  56 static const char *wrap_str[] = {
  57     N_("None"),
  58     N_("Dynamic paragraphing"),
  59     N_("Type writer wrap"),
  60     NULL
  61 };
  62
  63 /*** file scope functions ************************************************************************/
  64 /* --------------------------------------------------------------------------------------------- */
  65
  66 #ifdef ENABLE_NLS
  67 static void
  68 i18n_translate_array (const char *array[])
  69 {
  70     while (*array != NULL)
  71     {
  72         *array = _(*array);
  73         array++;
  74     }
  75 }
  76 #endif /* ENABLE_NLS */
  77 /* --------------------------------------------------------------------------------------------- */
  78 /**
  79  * Callback for the iteration of objects in the 'editors' array.
  80  * Tear down 'over_col' property in all editors.
  81  *
  82  * @param data      probably WEdit object
  83  * @param user_data unused
  84  */
  85
  86 static void
  87 edit_reset_over_col (void *data, void *user_data)
  88 {
  89     (void) user_data;
  90
  91     if (edit_widget_is_editor ((const Widget *) data))
  92         ((WEdit *) data)->over_col = 0;
  93 }
  94
  95 /* --------------------------------------------------------------------------------------------- */
  96 /**
  97  * Callback for the iteration of objects in the 'editors' array.
  98  * Reload syntax lighlighting in all editors.
  99  *
 100  * @param data      probably WEdit object
 101  * @param user_data unused
 102  */
 103
 104 static void
 105 edit_reload_syntax (void *data, void *user_data)
 106 {
 107     (void) user_data;
 108
 109     if (edit_widget_is_editor (WIDGET (data)))
 110     {
 111         WEdit *edit = (WEdit *) data;
 112         edit_load_syntax (edit, NULL, edit->syntax_type);
 113     }
 114 }
 115
 116 /* --------------------------------------------------------------------------------------------- */
 117 /*** public functions ****************************************************************************/
 118 /* --------------------------------------------------------------------------------------------- */
 119
 120 void
 121 edit_options_dialog (Dlg_head * h)
 122 {
 123     char wrap_length[16], tab_spacing[16], *p, *q;
 124     int wrap_mode = 0;
 125     int old_syntax_hl;
 126
 127     QuickWidget quick_widgets[] = {
 128         /*  0 */ QUICK_BUTTON (6, 10, OPT_DLG_H - 3, OPT_DLG_H, N_("&Cancel"), B_CANCEL, NULL),
 129         /*  1 */ QUICK_BUTTON (2, 10, OPT_DLG_H - 3, OPT_DLG_H, N_("&OK"), B_ENTER, NULL),
 130         /*  2 */ QUICK_LABEL (OPT_DLG_W / 2 + 1, OPT_DLG_W, 12, OPT_DLG_H,
 131                               N_("Word wrap line length:")),
 132         /*  3 */ QUICK_INPUT (OPT_DLG_W / 2 + 25, OPT_DLG_W, 12, OPT_DLG_H,
 133                               wrap_length, OPT_DLG_W / 2 - 4 - 24, 0, "edit-word-wrap", &p),
 134         /*  4 */ QUICK_CHECKBOX (OPT_DLG_W / 2 + 1, OPT_DLG_W, 11, OPT_DLG_H,
 135                                  N_("&Group undo"), &option_group_undo),
 136         /*  5 */ QUICK_CHECKBOX (OPT_DLG_W / 2 + 1, OPT_DLG_W, 10, OPT_DLG_H,
 137                                  N_("Cursor beyond end of line"), &option_cursor_beyond_eol),
 138         /*  6 */ QUICK_CHECKBOX (OPT_DLG_W / 2 + 1, OPT_DLG_W, 9, OPT_DLG_H,
 139                                  N_("Pers&istent selection"), &option_persistent_selections),
 140         /*  7 */ QUICK_CHECKBOX (OPT_DLG_W / 2 + 1, OPT_DLG_W, 8, OPT_DLG_H,
 141                                  N_("Synta&x highlighting"), &option_syntax_highlighting),
 142         /*  8 */ QUICK_CHECKBOX (OPT_DLG_W / 2 + 1, OPT_DLG_W, 7, OPT_DLG_H,
 143                                  N_("Visible tabs"), &visible_tabs),
 144         /*  9 */ QUICK_CHECKBOX (OPT_DLG_W / 2 + 1, OPT_DLG_W, 6, OPT_DLG_H,
 145                                  N_("Visible trailing spaces"), &visible_tws),
 146         /* 10 */ QUICK_CHECKBOX (OPT_DLG_W / 2 + 1, OPT_DLG_W, 5, OPT_DLG_H,
 147                                  N_("Save file &position"), &option_save_position),
 148         /* 11 */ QUICK_CHECKBOX (OPT_DLG_W / 2 + 1, OPT_DLG_W, 4, OPT_DLG_H,
 149                                  N_("Confir&m before saving"), &edit_confirm_save),
 150         /* 12 */ QUICK_CHECKBOX (OPT_DLG_W / 2 + 1, OPT_DLG_W, 3, OPT_DLG_H,
 151                                  N_("&Return does autoindent"), &option_return_does_auto_indent),
 152         /* 13 */ QUICK_LABEL (3, OPT_DLG_W, 11, OPT_DLG_H, N_("Tab spacing:")),
 153         /* 14 */ QUICK_INPUT (3 + 24, OPT_DLG_W, 11, OPT_DLG_H,
 154                               tab_spacing, OPT_DLG_W / 2 - 4 - 24, 0, "edit-tab-spacing", &q),
 155         /* 15 */ QUICK_CHECKBOX (3, OPT_DLG_W, 10, OPT_DLG_H,
 156                                  N_("Fill tabs with &spaces"), &option_fill_tabs_with_spaces),
 157         /* 16 */ QUICK_CHECKBOX (3, OPT_DLG_W, 9, OPT_DLG_H,
 158                                  N_("&Backspace through tabs"), &option_backspace_through_tabs),
 159         /* 17 */ QUICK_CHECKBOX (3, OPT_DLG_W, 8, OPT_DLG_H,
 160                                  N_("&Fake half tabs"), &option_fake_half_tabs),
 161         /* 18 */ QUICK_RADIO (4, OPT_DLG_W, 4, OPT_DLG_H, 3, wrap_str, &wrap_mode),
 162         /* 19 */ QUICK_LABEL (3, OPT_DLG_W, 3, OPT_DLG_H, N_("Wrap mode")),
 163         QUICK_END
 164     };
 165
 166     QuickDialog Quick_options = {
 167         OPT_DLG_W, OPT_DLG_H, -1, -1, N_("Editor options"),
 168         "[Editor options]", quick_widgets, NULL, NULL, FALSE
 169     };
 170
 171 #ifdef ENABLE_NLS
 172     static gboolean i18n_flag = FALSE;
 173
 174     if (!i18n_flag)
 175     {
 176         i18n_translate_array (wrap_str);
 177         i18n_flag = TRUE;
 178     }
 179 #endif /* ENABLE_NLS */
 180
 181     g_snprintf (wrap_length, sizeof (wrap_length), "%d", option_word_wrap_line_length);
 182     g_snprintf (tab_spacing, sizeof (tab_spacing), "%d", option_tab_spacing);
 183
 184     if (option_auto_para_formatting)
 185         wrap_mode = 1;
 186     else if (option_typewriter_wrap)
 187         wrap_mode = 2;
 188     else
 189         wrap_mode = 0;
 190
 191     if (quick_dialog (&Quick_options) == B_CANCEL)
 192         return;
 193
 194     old_syntax_hl = option_syntax_highlighting;
 195
 196     if (!option_cursor_beyond_eol)
 197         g_list_foreach (h->widgets, edit_reset_over_col, NULL);
 198
 199     if (p != NULL)
 200     {
 201         option_word_wrap_line_length = atoi (p);
 202         if (option_word_wrap_line_length <= 0)
 203             option_word_wrap_line_length = DEFAULT_WRAP_LINE_LENGTH;
 204         g_free (p);
 205     }
 206
 207     if (q != NULL)
 208     {
 209         option_tab_spacing = atoi (q);
 210         if (option_tab_spacing <= 0)
 211             option_tab_spacing = DEFAULT_TAB_SPACING;
 212         g_free (q);
 213     }
 214
 215     if (wrap_mode == 1)
 216     {
 217         option_auto_para_formatting = 1;
 218         option_typewriter_wrap = 0;
 219     }
 220     else if (wrap_mode == 2)
 221     {
 222         option_auto_para_formatting = 0;
 223         option_typewriter_wrap = 1;
 224     }
 225     else
 226     {
 227         option_auto_para_formatting = 0;
 228         option_typewriter_wrap = 0;
 229     }
 230
 231     /* Load or unload syntax rules if the option has changed */
 232     if (option_syntax_highlighting != old_syntax_hl)
 233         g_list_foreach (h->widgets, edit_reload_syntax, NULL);
 234 }
 235
 236 /* --------------------------------------------------------------------------------------------- */