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 /*** file scope type declarations ****************************************************************/
  50
  51 /*** file scope variables ************************************************************************/
  52
  53 static const char *wrap_str[] = {
  54     N_("&None"),
  55     N_("&Dynamic paragraphing"),
  56     N_("Type &writer wrap"),
  57     NULL
  58 };
  59
  60 /*** file scope functions ************************************************************************/
  61 /* --------------------------------------------------------------------------------------------- */
  62
  63 #ifdef ENABLE_NLS
  64 static void
  65 i18n_translate_array (const char *array[])
  66 {
  67     while (*array != NULL)
  68     {
  69         *array = _(*array);
  70         array++;
  71     }
  72 }
  73 #endif /* ENABLE_NLS */
  74 /* --------------------------------------------------------------------------------------------- */
  75 /**
  76  * Callback for the iteration of objects in the 'editors' array.
  77  * Tear down 'over_col' property in all editors.
  78  *
  79  * @param data      probably WEdit object
  80  * @param user_data unused
  81  */
  82
  83 static void
  84 edit_reset_over_col (void *data, void *user_data)
  85 {
  86     (void) user_data;
  87
  88     if (edit_widget_is_editor ((const Widget *) data))
  89         ((WEdit *) data)->over_col = 0;
  90 }
  91
  92 /* --------------------------------------------------------------------------------------------- */
  93 /**
  94  * Callback for the iteration of objects in the 'editors' array.
  95  * Reload syntax lighlighting in all editors.
  96  *
  97  * @param data      probably WEdit object
  98  * @param user_data unused
  99  */
 100
 101 static void
 102 edit_reload_syntax (void *data, void *user_data)
 103 {
 104     (void) user_data;
 105
 106     if (edit_widget_is_editor (WIDGET (data)))
 107     {
 108         WEdit *edit = (WEdit *) data;
 109         edit_load_syntax (edit, NULL, edit->syntax_type);
 110     }
 111 }
 112
 113 /* --------------------------------------------------------------------------------------------- */
 114 /*** public functions ****************************************************************************/
 115 /* --------------------------------------------------------------------------------------------- */
 116
 117 void
 118 edit_options_dialog (WDialog * h)
 119 {
 120     char wrap_length[16], tab_spacing[16];
 121     char *p, *q;
 122     int wrap_mode = 0;
 123     int old_syntax_hl;
 124
 125 #ifdef ENABLE_NLS
 126     static gboolean i18n_flag = FALSE;
 127
 128     if (!i18n_flag)
 129     {
 130         i18n_translate_array (wrap_str);
 131         i18n_flag = TRUE;
 132     }
 133 #endif /* ENABLE_NLS */
 134
 135     g_snprintf (wrap_length, sizeof (wrap_length), "%d", option_word_wrap_line_length);
 136     g_snprintf (tab_spacing, sizeof (tab_spacing), "%d", option_tab_spacing);
 137
 138     if (option_auto_para_formatting)
 139         wrap_mode = 1;
 140     else if (option_typewriter_wrap)
 141         wrap_mode = 2;
 142     else
 143         wrap_mode = 0;
 144
 145     {
 146         quick_widget_t quick_widgets[] = {
 147             /* *INDENT-OFF* */
 148             QUICK_START_COLUMNS,
 149                 QUICK_START_GROUPBOX (N_("Wrap mode")),
 150                     QUICK_RADIO (3, wrap_str, &wrap_mode, NULL),
 151                 QUICK_STOP_GROUPBOX,
 152                 QUICK_SEPARATOR (FALSE),
 153                 QUICK_START_GROUPBOX (N_("Tabulation")),
 154                     QUICK_CHECKBOX (N_("&Fake half tabs"), &option_fake_half_tabs, NULL),
 155                     QUICK_CHECKBOX (N_("&Backspace through tabs"), &option_backspace_through_tabs,
 156                                     NULL),
 157                     QUICK_CHECKBOX (N_("Fill tabs with &spaces"), &option_fill_tabs_with_spaces,
 158                                     NULL),
 159                     QUICK_LABELED_INPUT (N_("Tab spacing:"), input_label_left, tab_spacing, 0,
 160                                           "edit-tab-spacing", &q, NULL),
 161                 QUICK_STOP_GROUPBOX,
 162             QUICK_NEXT_COLUMN,
 163                 QUICK_START_GROUPBOX (N_("Other options")),
 164                     QUICK_CHECKBOX (N_("&Return does autoindent"), &option_return_does_auto_indent,
 165                                     NULL),
 166                     QUICK_CHECKBOX (N_("Confir&m before saving"), &edit_confirm_save, NULL),
 167                     QUICK_CHECKBOX (N_("Save file &position"), &option_save_position, NULL),
 168                     QUICK_CHECKBOX (N_("&Visible trailing spaces"), &visible_tws, NULL),
 169                     QUICK_CHECKBOX (N_("Visible &tabs"), &visible_tabs, NULL),
 170                     QUICK_CHECKBOX (N_("Synta&x highlighting"), &option_syntax_highlighting, NULL),
 171                     QUICK_CHECKBOX (N_("Pers&istent selection"), &option_persistent_selections,
 172                                      NULL),
 173                     QUICK_CHECKBOX (N_("Cursor be&yond end of line"), &option_cursor_beyond_eol,
 174                                      NULL),
 175                     QUICK_CHECKBOX (N_("&Group undo"), &option_group_undo, NULL),
 176                     QUICK_LABELED_INPUT (N_("Word wrap line length:"), input_label_left,
 177                                          wrap_length, 0, "edit-word-wrap", &p, NULL),
 178                 QUICK_STOP_GROUPBOX,
 179             QUICK_STOP_COLUMNS,
 180             QUICK_BUTTONS_OK_CANCEL,
 181             QUICK_END
 182             /* *INDENT-ON* */
 183         };
 184
 185         quick_dialog_t qdlg = {
 186             -1, -1, 74,
 187             N_("Editor options"), "[Editor options]",
 188             quick_widgets, NULL, NULL
 189         };
 190
 191         if (quick_dialog (&qdlg) == B_CANCEL)
 192             return;
 193     }
 194
 195     old_syntax_hl = option_syntax_highlighting;
 196
 197     if (!option_cursor_beyond_eol)
 198         g_list_foreach (h->widgets, edit_reset_over_col, NULL);
 199
 200     if (p != NULL)
 201     {
 202         option_word_wrap_line_length = atoi (p);
 203         if (option_word_wrap_line_length <= 0)
 204             option_word_wrap_line_length = DEFAULT_WRAP_LINE_LENGTH;
 205         g_free (p);
 206     }
 207
 208     if (q != NULL)
 209     {
 210         option_tab_spacing = atoi (q);
 211         if (option_tab_spacing <= 0)
 212             option_tab_spacing = DEFAULT_TAB_SPACING;
 213         g_free (q);
 214     }
 215
 216     if (wrap_mode == 1)
 217     {
 218         option_auto_para_formatting = 1;
 219         option_typewriter_wrap = 0;
 220     }
 221     else if (wrap_mode == 2)
 222     {
 223         option_auto_para_formatting = 0;
 224         option_typewriter_wrap = 1;
 225     }
 226     else
 227     {
 228         option_auto_para_formatting = 0;
 229         option_typewriter_wrap = 0;
 230     }
 231
 232     /* Load or unload syntax rules if the option has changed */
 233     if (option_syntax_highlighting != old_syntax_hl)
 234         g_list_foreach (h->widgets, edit_reload_syntax, NULL);
 235 }
 236
 237 /* --------------------------------------------------------------------------------------------- */