src/frontends/xforms/FormPreferences.C

   1 /* FormPreferences.C
   2  * FormPreferences Interface Class Implementation
   3  */
   4
   5 #include <config.h>
   6
   7 #include FORMS_H_LOCATION
   8
   9 #ifdef __GNUG_
  10 #pragma implementation
  11 #endif
  12
  13 #include "FormPreferences.h"
  14 #include "form_preferences.h"
  15 #include "input_validators.h"
  16 #include "LyXView.h"
  17 #include "lyxfunc.h"
  18 #include "Dialogs.h"
  19 #include "lyxrc.h"
  20 #include "debug.h"
  21 #include "support/FileInfo.h"
  22 #include "support/filetools.h"
  23 #include "lyx_gui_misc.h"
  24
  25 #ifdef SIGC_CXX_NAMESPACES
  26 using SigC::slot;
  27 #endif
  28
  29
  30 FormPreferences::FormPreferences(LyXView * lv, Dialogs * d)
  31         : FormBase(lv, d, BUFFER_INDEPENDENT, _("Preferences"), new PreferencesPolicy),
  32           dialog_(0), bind_(0), misc_(0), screen_fonts_(0), interface_fonts_(0),
  33           printer_(0), paths_(0), minw_(0), minh_(0)
  34 {
  35         // let the dialog be shown
  36         // This is a permanent connection so we won't bother
  37         // storing a copy because we won't be disconnecting.
  38         d->showPreferences.connect(slot(this, &FormPreferences::show));
  39 }
  40
  41
  42 FormPreferences::~FormPreferences()
  43 {
  44         delete dialog_;
  45         delete bind_;
  46         delete misc_;
  47         delete screen_fonts_;
  48         delete interface_fonts_;
  49         delete printer_;
  50         delete paths_;
  51 }
  52
  53
  54 void FormPreferences::build()
  55 {
  56         dialog_ = build_preferences();
  57
  58         // manage the restore, save, apply and cancel/close buttons
  59         bc_.setOK(dialog_->button_ok);
  60         bc_.setApply(dialog_->button_apply);
  61         bc_.setCancel(dialog_->button_cancel);
  62         bc_.setUndoAll(dialog_->button_restore);
  63         bc_.refresh();
  64
  65         // Workaround dumb xforms sizing bug
  66         minw_ = dialog_->form->w;
  67         minh_ = dialog_->form->h;
  68
  69         bind_ = build_bind();
  70         screen_fonts_ = build_screen_fonts();
  71         interface_fonts_ = build_interface_fonts();
  72         misc_ = build_misc();
  73         printer_ = build_printer();
  74         paths_ = build_paths();
  75
  76         // setup the input returns
  77         // Bind tab
  78         fl_set_input_return(bind_->input_bind, FL_RETURN_CHANGED);
  79         // Misc tab
  80         fl_set_counter_return(misc_->counter_autosave, FL_RETURN_CHANGED);
  81         fl_set_counter_return(misc_->counter_line_len, FL_RETURN_CHANGED);
  82         // Screen fonts
  83         fl_set_input_return(screen_fonts_->input_roman, FL_RETURN_CHANGED);
  84         fl_set_input_return(screen_fonts_->input_sans, FL_RETURN_CHANGED);
  85         fl_set_input_return(screen_fonts_->input_typewriter,
  86                             FL_RETURN_CHANGED);
  87         fl_set_input_return(screen_fonts_->input_screen_encoding,
  88                             FL_RETURN_CHANGED);
  89         fl_set_counter_return(screen_fonts_->counter_zoom, FL_RETURN_CHANGED);
  90         fl_set_input_return(screen_fonts_->input_tiny, FL_RETURN_CHANGED);
  91         fl_set_input_return(screen_fonts_->input_script, FL_RETURN_CHANGED);
  92         fl_set_input_return(screen_fonts_->input_footnote, FL_RETURN_CHANGED);
  93         fl_set_input_return(screen_fonts_->input_small, FL_RETURN_CHANGED);
  94         fl_set_input_return(screen_fonts_->input_normal, FL_RETURN_CHANGED);
  95         fl_set_input_return(screen_fonts_->input_large, FL_RETURN_CHANGED);
  96         fl_set_input_return(screen_fonts_->input_larger, FL_RETURN_CHANGED);
  97         fl_set_input_return(screen_fonts_->input_largest, FL_RETURN_CHANGED);
  98         fl_set_input_return(screen_fonts_->input_huge, FL_RETURN_CHANGED);
  99         fl_set_input_return(screen_fonts_->input_huger, FL_RETURN_CHANGED);
 100         // interface fonts
 101         fl_set_input_return(interface_fonts_->input_popup_font,
 102                             FL_RETURN_CHANGED);
 103         fl_set_input_return(interface_fonts_->input_menu_font,
 104                             FL_RETURN_CHANGED);
 105         fl_set_input_return(interface_fonts_->input_popup_encoding,
 106                             FL_RETURN_CHANGED);
 107         // printer
 108         fl_set_input_return(printer_->input_command, FL_RETURN_CHANGED);
 109         fl_set_input_return(printer_->input_page_range, FL_RETURN_CHANGED);
 110         fl_set_input_return(printer_->input_copies, FL_RETURN_CHANGED);
 111         fl_set_input_return(printer_->input_reverse, FL_RETURN_CHANGED);
 112         fl_set_input_return(printer_->input_to_printer, FL_RETURN_CHANGED);
 113         fl_set_input_return(printer_->input_file_extension, FL_RETURN_CHANGED);
 114         fl_set_input_return(printer_->input_spool_command, FL_RETURN_CHANGED);
 115         fl_set_input_return(printer_->input_paper_type, FL_RETURN_CHANGED);
 116         fl_set_input_return(printer_->input_even_pages, FL_RETURN_CHANGED);
 117         fl_set_input_return(printer_->input_odd_pages, FL_RETURN_CHANGED);
 118         fl_set_input_return(printer_->input_collated, FL_RETURN_CHANGED);
 119         fl_set_input_return(printer_->input_landscape, FL_RETURN_CHANGED);
 120         fl_set_input_return(printer_->input_to_file, FL_RETURN_CHANGED);
 121         fl_set_input_return(printer_->input_extra_options, FL_RETURN_CHANGED);
 122         fl_set_input_return(printer_->input_spool_prefix, FL_RETURN_CHANGED);
 123         fl_set_input_return(printer_->input_paper_size, FL_RETURN_CHANGED);
 124         fl_set_input_return(printer_->input_name, FL_RETURN_CHANGED);
 125         // paths
 126         fl_set_input_return(paths_->input_default_path, FL_RETURN_CHANGED);
 127         fl_set_input_return(paths_->input_template_path, FL_RETURN_CHANGED);
 128         fl_set_input_return(paths_->input_temp_dir, FL_RETURN_CHANGED);
 129         fl_set_input_return(paths_->input_lastfiles, FL_RETURN_CHANGED);
 130         fl_set_input_return(paths_->input_backup_path, FL_RETURN_CHANGED);
 131         fl_set_counter_return(paths_->counter_lastfiles, FL_RETURN_CHANGED);
 132
 133         // Now add them to the tabfolder
 134         fl_addto_tabfolder(dialog_->tabfolder_prefs,
 135                            _("Bindings"),
 136                            bind_->form);
 137         fl_addto_tabfolder(dialog_->tabfolder_prefs,
 138                            _("Screen Fonts"),
 139                            screen_fonts_->form);
 140         fl_addto_tabfolder(dialog_->tabfolder_prefs,
 141                            _("Interface Fonts"),
 142                            interface_fonts_->form);
 143         fl_addto_tabfolder(dialog_->tabfolder_prefs,
 144                            _("Miscellaneous"),
 145                            misc_->form);
 146         fl_addto_tabfolder(dialog_->tabfolder_prefs,
 147                            _("Printer"),
 148                            printer_->form);
 149         fl_addto_tabfolder(dialog_->tabfolder_prefs,
 150                            _("Paths"),
 151                            paths_->form);
 152
 153         // deactivate the various browse buttons because they
 154         // currently aren't implemented
 155         fl_deactivate_object(bind_->button_bind_file_browse);
 156         fl_deactivate_object(paths_->button_document_browse);
 157         fl_deactivate_object(paths_->button_template_browse);
 158         fl_deactivate_object(paths_->button_temp_dir_browse);
 159         fl_deactivate_object(paths_->button_lastfiles_browse);
 160         fl_deactivate_object(paths_->button_backup_path_browse);
 161         fl_set_object_lcol(bind_->button_bind_file_browse, FL_INACTIVE);
 162         fl_set_object_lcol(paths_->button_document_browse, FL_INACTIVE);
 163         fl_set_object_lcol(paths_->button_template_browse, FL_INACTIVE);
 164         fl_set_object_lcol(paths_->button_temp_dir_browse, FL_INACTIVE);
 165         fl_set_object_lcol(paths_->button_lastfiles_browse, FL_INACTIVE);
 166         fl_set_object_lcol(paths_->button_backup_path_browse, FL_INACTIVE);
 167 }
 168
 169
 170 FL_FORM * const FormPreferences::form() const
 171 {
 172         if (dialog_) return dialog_->form;
 173         return 0;
 174 }
 175
 176
 177 void FormPreferences::connect()
 178 {
 179         FormBase::connect();
 180         fl_set_form_minsize(dialog_->form,
 181                             minw_,
 182                             minh_);
 183 }
 184
 185
 186 void FormPreferences::apply()
 187 {
 188         // set the new lyxrc entries
 189         // many of these need to trigger other functions when the assignment
 190         // is made.  For example, screen zoom and font types.  These could be
 191         // handled either by signals/slots in lyxrc or just directly call the
 192         // associated functions here.
 193         // There are other problems with this scheme.  We really should check
 194         // what we copy to make sure that it really is necessary to do things
 195         // like update the screen fonts because that flushes the textcache
 196         // and other stuff which may cost us a lot on slower/high-load machines.
 197
 198         // Bind tab
 199         lyxrc.bind_file = fl_get_input(bind_->input_bind);
 200         // Misc tab
 201         lyxrc.show_banner = fl_get_button(misc_->check_banner);
 202         lyxrc.auto_region_delete = fl_get_button(misc_->
 203                                                  check_auto_region_delete);
 204         lyxrc.exit_confirmation = fl_get_button(misc_->check_exit_confirm);
 205         lyxrc.display_shortcuts =
 206                 fl_get_button(misc_->check_display_shortcuts);
 207         lyxrc.autosave = static_cast<unsigned int>
 208                 (fl_get_counter_value(misc_->counter_autosave));
 209         lyxrc.ascii_linelen = static_cast<unsigned int>
 210                 (fl_get_counter_value(misc_->counter_line_len));
 211         // Interface fonts
 212         lyxrc.popup_font_name =
 213                 fl_get_input(interface_fonts_->input_popup_font);
 214         lyxrc.menu_font_name = fl_get_input(interface_fonts_->input_menu_font);
 215         lyxrc.font_norm_menu =
 216                 fl_get_input(interface_fonts_->input_popup_encoding);
 217         // Screen fonts
 218         if (lyxrc.roman_font_name !=
 219             fl_get_input(screen_fonts_->input_roman) ||
 220             lyxrc.sans_font_name !=
 221             fl_get_input(screen_fonts_->input_sans) ||
 222             lyxrc.typewriter_font_name !=
 223             fl_get_input(screen_fonts_->input_typewriter) ||
 224             lyxrc.font_norm !=
 225             fl_get_input(screen_fonts_->input_screen_encoding) ||
 226             lyxrc.use_scalable_fonts !=
 227             fl_get_button(screen_fonts_->check_scalable) ||
 228             lyxrc.zoom != static_cast<unsigned int>
 229             (fl_get_counter_value(screen_fonts_->counter_zoom)) ||
 230             lyxrc.font_sizes[LyXFont::SIZE_TINY] !=
 231             strToDbl(fl_get_input(screen_fonts_->input_tiny)) ||
 232             lyxrc.font_sizes[LyXFont::SIZE_SCRIPT] !=
 233             strToDbl(fl_get_input(screen_fonts_->input_script)) ||
 234             lyxrc.font_sizes[LyXFont::SIZE_FOOTNOTE] !=
 235             strToDbl(fl_get_input(screen_fonts_->input_footnote)) ||
 236             lyxrc.font_sizes[LyXFont::SIZE_SMALL] !=
 237             strToDbl(fl_get_input(screen_fonts_->input_small)) ||
 238             lyxrc.font_sizes[LyXFont::SIZE_NORMAL] !=
 239             strToDbl(fl_get_input(screen_fonts_->input_normal)) ||
 240             lyxrc.font_sizes[LyXFont::SIZE_LARGE] !=
 241             strToDbl(fl_get_input(screen_fonts_->input_large)) ||
 242             lyxrc.font_sizes[LyXFont::SIZE_LARGER] !=
 243             strToDbl(fl_get_input(screen_fonts_->input_larger)) ||
 244             lyxrc.font_sizes[LyXFont::SIZE_LARGEST] !=
 245             strToDbl(fl_get_input(screen_fonts_->input_largest)) ||
 246             lyxrc.font_sizes[LyXFont::SIZE_HUGE] !=
 247             strToDbl(fl_get_input(screen_fonts_->input_huge)) ||
 248             lyxrc.font_sizes[LyXFont::SIZE_HUGER] !=
 249             strToDbl(fl_get_input(screen_fonts_->input_huger))) {
 250                 // Something has changed so copy all of them and then force
 251                 // an update of the screen fonts (ie. redraw every buffer)
 252                 lyxrc.roman_font_name = fl_get_input(screen_fonts_->input_roman);
 253                 lyxrc.sans_font_name = fl_get_input(screen_fonts_->input_sans);
 254                 lyxrc.typewriter_font_name = fl_get_input(screen_fonts_->
 255                                                           input_typewriter);
 256                 lyxrc.font_norm = fl_get_input(screen_fonts_->
 257                                                input_screen_encoding);
 258                 lyxrc.use_scalable_fonts =
 259                         fl_get_button(screen_fonts_->check_scalable);
 260                 lyxrc.zoom = static_cast<unsigned int>
 261                         (fl_get_counter_value(screen_fonts_->counter_zoom));
 262                 lyxrc.font_sizes[LyXFont::SIZE_TINY] =
 263                         strToDbl(fl_get_input(screen_fonts_->input_tiny));
 264                 lyxrc.font_sizes[LyXFont::SIZE_SCRIPT] =
 265                         strToDbl(fl_get_input(screen_fonts_->input_script));
 266                 lyxrc.font_sizes[LyXFont::SIZE_FOOTNOTE] =
 267                         strToDbl(fl_get_input(screen_fonts_->input_footnote));
 268                 lyxrc.font_sizes[LyXFont::SIZE_SMALL] =
 269                         strToDbl(fl_get_input(screen_fonts_->input_small));
 270                 lyxrc.font_sizes[LyXFont::SIZE_NORMAL] =
 271                         strToDbl(fl_get_input(screen_fonts_->input_normal));
 272                 lyxrc.font_sizes[LyXFont::SIZE_LARGE] =
 273                         strToDbl(fl_get_input(screen_fonts_->input_large));
 274                 lyxrc.font_sizes[LyXFont::SIZE_LARGER] =
 275                 strToDbl(fl_get_input(screen_fonts_->input_larger));
 276                 lyxrc.font_sizes[LyXFont::SIZE_LARGEST] =
 277                         strToDbl(fl_get_input(screen_fonts_->input_largest));
 278                 lyxrc.font_sizes[LyXFont::SIZE_HUGE] =
 279                         strToDbl(fl_get_input(screen_fonts_->input_huge));
 280                 lyxrc.font_sizes[LyXFont::SIZE_HUGER] =
 281                         strToDbl(fl_get_input(screen_fonts_->input_huger));
 282                 // Now update the buffers
 283                 // Can anything below here affect the redraw process?
 284                 lv_->getLyXFunc()->Dispatch(LFUN_SCREEN_FONT_UPDATE);
 285         }
 286         // printer
 287         lyxrc.print_adapt_output = fl_get_button(printer_->check_adapt_output);
 288         lyxrc.print_command = fl_get_input(printer_->input_command);
 289         lyxrc.print_pagerange_flag = fl_get_input(printer_->input_page_range);
 290         lyxrc.print_copies_flag = fl_get_input(printer_->input_copies);
 291         lyxrc.print_reverse_flag = fl_get_input(printer_->input_reverse);
 292         lyxrc.print_to_printer = fl_get_input(printer_->input_to_printer);
 293         lyxrc.print_file_extension =
 294                 fl_get_input(printer_->input_file_extension);
 295         lyxrc.print_spool_command =
 296                 fl_get_input(printer_->input_spool_command);
 297         lyxrc.print_paper_flag = fl_get_input(printer_->input_paper_type);
 298         lyxrc.print_evenpage_flag = fl_get_input(printer_->input_even_pages);
 299         lyxrc.print_oddpage_flag = fl_get_input(printer_->input_odd_pages);
 300         lyxrc.print_collcopies_flag = fl_get_input(printer_->input_collated);
 301         lyxrc.print_landscape_flag = fl_get_input(printer_->input_landscape);
 302         lyxrc.print_to_file = fl_get_input(printer_->input_to_file);
 303         lyxrc.print_extra_options =
 304                 fl_get_input(printer_->input_extra_options);
 305         lyxrc.print_spool_printerprefix =
 306                 fl_get_input(printer_->input_spool_prefix);
 307         lyxrc.print_paper_dimension_flag =
 308                 fl_get_input(printer_->input_paper_size);
 309         lyxrc.printer = fl_get_input(printer_->input_name);
 310         // paths
 311         lyxrc.document_path = fl_get_input(paths_->input_default_path);
 312         lyxrc.template_path = fl_get_input(paths_->input_template_path);
 313         lyxrc.tempdir_path = fl_get_input(paths_->input_temp_dir);
 314         lyxrc.lastfiles = fl_get_input(paths_->input_lastfiles);
 315         lyxrc.backupdir_path = fl_get_input(paths_->input_backup_path);
 316         lyxrc.use_tempdir = fl_get_button(paths_->check_use_temp_dir);
 317         lyxrc.check_lastfiles = fl_get_button(paths_->check_last_files);
 318         lyxrc.make_backup = fl_get_button(paths_->check_make_backups);
 319         lyxrc.num_lastfiles = static_cast<unsigned int>
 320                 (fl_get_counter_value(paths_->counter_lastfiles));
 321 }
 322
 323
 324 void FormPreferences::update()
 325 {
 326         if (dialog_) {
 327                 // read lyxrc entries
 328                 // Bind tab
 329                 fl_set_input(bind_->input_bind, lyxrc.bind_file.c_str());
 330                 // Misc tab
 331                 fl_set_button(misc_->check_banner,
 332                               lyxrc.show_banner);
 333                 fl_set_button(misc_->check_auto_region_delete,
 334                               lyxrc.auto_region_delete);
 335                 fl_set_button(misc_->check_exit_confirm,
 336                               lyxrc.exit_confirmation);
 337                 fl_set_button(misc_->check_display_shortcuts,
 338                               lyxrc.display_shortcuts);
 339                 fl_set_counter_value(misc_->counter_autosave,
 340                                      lyxrc.autosave);
 341                 fl_set_counter_value(misc_->counter_line_len,
 342                                      lyxrc.ascii_linelen);
 343                 // Screen fonts
 344                 fl_set_input(screen_fonts_->input_roman,
 345                              lyxrc.roman_font_name.c_str());
 346                 fl_set_input(screen_fonts_->input_sans,
 347                              lyxrc.sans_font_name.c_str());
 348                 fl_set_input(screen_fonts_->input_typewriter,
 349                              lyxrc.typewriter_font_name.c_str());
 350                 fl_set_input(screen_fonts_->input_screen_encoding,
 351                              lyxrc.font_norm.c_str());
 352                 fl_set_button(screen_fonts_->check_scalable,
 353                              lyxrc.use_scalable_fonts);
 354                 fl_set_counter_value(screen_fonts_->counter_zoom,
 355                              lyxrc.zoom);
 356                 fl_set_input(screen_fonts_->input_tiny,
 357                              tostr(lyxrc.font_sizes[LyXFont::SIZE_TINY]).c_str());
 358                 fl_set_input(screen_fonts_->input_script,
 359                              tostr(lyxrc.font_sizes[LyXFont::SIZE_SCRIPT]).c_str());
 360                 fl_set_input(screen_fonts_->input_footnote,
 361                              tostr(lyxrc.font_sizes[LyXFont::SIZE_FOOTNOTE]).c_str());
 362                 fl_set_input(screen_fonts_->input_small,
 363                              tostr(lyxrc.font_sizes[LyXFont::SIZE_SMALL]).c_str());
 364                 fl_set_input(screen_fonts_->input_normal,
 365                              tostr(lyxrc.font_sizes[LyXFont::SIZE_NORMAL]).c_str());
 366                 fl_set_input(screen_fonts_->input_large,
 367                              tostr(lyxrc.font_sizes[LyXFont::SIZE_LARGE]).c_str());
 368                 fl_set_input(screen_fonts_->input_larger,
 369                              tostr(lyxrc.font_sizes[LyXFont::SIZE_LARGER]).c_str());
 370                 fl_set_input(screen_fonts_->input_largest,
 371                              tostr(lyxrc.font_sizes[LyXFont::SIZE_LARGEST]).c_str());
 372                 fl_set_input(screen_fonts_->input_huge,
 373                              tostr(lyxrc.font_sizes[LyXFont::SIZE_HUGE]).c_str());
 374                 fl_set_input(screen_fonts_->input_huger,
 375                              tostr(lyxrc.font_sizes[LyXFont::SIZE_HUGER]).c_str());
 376                 // interface fonts
 377                 fl_set_input(interface_fonts_->input_popup_font,
 378                              lyxrc.popup_font_name.c_str());
 379                 fl_set_input(interface_fonts_->input_menu_font,
 380                              lyxrc.menu_font_name.c_str());
 381                 fl_set_input(interface_fonts_->input_popup_encoding,
 382                              lyxrc.font_norm_menu.c_str());
 383                 // printer
 384                 fl_set_button(printer_->check_adapt_output,
 385                               lyxrc.print_adapt_output);
 386                 fl_set_input(printer_->input_command,
 387                              lyxrc.print_command.c_str());
 388                 fl_set_input(printer_->input_page_range,
 389                              lyxrc.print_pagerange_flag.c_str());
 390                 fl_set_input(printer_->input_copies,
 391                              lyxrc.print_copies_flag.c_str());
 392                 fl_set_input(printer_->input_reverse,
 393                               lyxrc.print_reverse_flag.c_str());
 394                 fl_set_input(printer_->input_to_printer,
 395                              lyxrc.print_to_printer.c_str());
 396                 fl_set_input(printer_->input_file_extension,
 397                              lyxrc.print_file_extension.c_str());
 398                 fl_set_input(printer_->input_spool_command,
 399                              lyxrc.print_spool_command.c_str());
 400                 fl_set_input(printer_->input_paper_type,
 401                              lyxrc.print_paper_flag.c_str());
 402                 fl_set_input(printer_->input_even_pages,
 403                              lyxrc.print_evenpage_flag.c_str());
 404                 fl_set_input(printer_->input_odd_pages,
 405                              lyxrc.print_oddpage_flag.c_str());
 406                 fl_set_input(printer_->input_collated,
 407                              lyxrc.print_collcopies_flag.c_str());
 408                 fl_set_input(printer_->input_landscape,
 409                              lyxrc.print_landscape_flag.c_str());
 410                 fl_set_input(printer_->input_to_file,
 411                              lyxrc.print_to_file.c_str());
 412                 fl_set_input(printer_->input_extra_options,
 413                              lyxrc.print_extra_options.c_str());
 414                 fl_set_input(printer_->input_spool_prefix,
 415                              lyxrc.print_spool_printerprefix.c_str());
 416                 fl_set_input(printer_->input_paper_size,
 417                              lyxrc.print_paper_dimension_flag.c_str());
 418                 fl_set_input(printer_->input_name,
 419                              lyxrc.printer.c_str());
 420                 // paths
 421                 fl_set_input(paths_->input_default_path,
 422                              lyxrc.document_path.c_str());
 423                 fl_set_input(paths_->input_template_path,
 424                              lyxrc.template_path.c_str());
 425                 fl_set_input(paths_->input_temp_dir,
 426                              lyxrc.tempdir_path.c_str());
 427                 fl_set_input(paths_->input_lastfiles,
 428                              lyxrc.lastfiles.c_str());
 429                 fl_set_input(paths_->input_backup_path,
 430                              lyxrc.backupdir_path.c_str());
 431                 fl_set_button(paths_->check_use_temp_dir,
 432                               lyxrc.use_tempdir);
 433                 fl_set_button(paths_->check_last_files,
 434                               lyxrc.check_lastfiles);
 435                 fl_set_button(paths_->check_make_backups,
 436                               lyxrc.make_backup);
 437                 fl_set_counter_value(paths_->counter_lastfiles,
 438                                      lyxrc.num_lastfiles);
 439         }
 440 }
 441
 442
 443 bool FormPreferences::input(long)
 444 {
 445         bool activate = true;
 446         //
 447         // whatever checks you need to ensure the user hasn't entered
 448         // some totally ridiculous value somewhere.  Change activate to suit.
 449         //
 450         // Examples:
 451         //  paths -- all dirs in the path should exist, be writable & absolute
 452         if (!AbsolutePath(fl_get_input(paths_->input_default_path))
 453             || 1 != IsDirWriteable(fl_get_input(paths_->input_default_path))
 454             || !AbsolutePath(fl_get_input(paths_->input_template_path))
 455             || 1 != IsDirWriteable(fl_get_input(paths_->input_template_path))
 456             // lastfiles: exists && writeable || non-existent && isn't a dir
 457             // NOTE: assumes IsFileWriteable == -1 means non-existent hence
 458             //       the extra check to see if its a directory
 459             || !AbsolutePath(fl_get_input(paths_->input_lastfiles))
 460             || 1 != IsDirWriteable(OnlyPath(fl_get_input(paths_->
 461                                                          input_lastfiles)))
 462             || 0 == IsFileWriteable(OnlyPath(fl_get_input(paths_->
 463                                                           input_lastfiles)))
 464             || FileInfo(fl_get_input(paths_->input_lastfiles)).isDir()
 465             // tmpdir: only check if we are using it
 466             || (fl_get_button(paths_->check_use_temp_dir)
 467                 && (1 != IsDirWriteable(fl_get_input(paths_->input_temp_dir))
 468                     || !AbsolutePath(fl_get_input(paths_->input_temp_dir))))
 469             // backupdir: can safely be left empty
 470             || (fl_get_button(paths_->check_make_backups)
 471                 && (!string(fl_get_input(paths_->input_backup_path)).empty()
 472                     && (1 != IsDirWriteable(fl_get_input(paths_->
 473                                                         input_backup_path))
 474                         || !AbsolutePath(fl_get_input(paths_->
 475                                                       input_backup_path)))))) {
 476                 activate = false;
 477                 lyxerr[Debug::GUI] << "Preferences: Path is wrong\n";
 478         }
 479
 480         //  fontsizes -- tiny < script < footnote etc.
 481         if (0.0 >= strToDbl(fl_get_input(screen_fonts_->input_tiny))
 482             || 0.0 >= strToDbl(fl_get_input(screen_fonts_->input_script))
 483             || 0.0 >= strToDbl(fl_get_input(screen_fonts_->input_footnote))
 484             || 0.0 >= strToDbl(fl_get_input(screen_fonts_->input_small))
 485             || 0.0 >= strToDbl(fl_get_input(screen_fonts_->input_normal))
 486             || 0.0 >= strToDbl(fl_get_input(screen_fonts_->input_large))
 487             || 0.0 >= strToDbl(fl_get_input(screen_fonts_->input_larger))
 488             || 0.0 >= strToDbl(fl_get_input(screen_fonts_->input_largest))
 489             || 0.0 >= strToDbl(fl_get_input(screen_fonts_->input_huge))
 490             || 0.0 >= strToDbl(fl_get_input(screen_fonts_->input_huger))) {
 491                 // make sure they all have positive entries
 492                 // Also note that an empty entry is returned as 0.0 by strToDbl
 493                 activate = false;
 494                 lyxerr[Debug::GUI] << "Preferences: Sizes are wrong\n";
 495         } else if (strToDbl(fl_get_input(screen_fonts_->input_tiny)) >
 496                    strToDbl(fl_get_input(screen_fonts_->input_script)) ||
 497                    strToDbl(fl_get_input(screen_fonts_->input_script)) >
 498                    strToDbl(fl_get_input(screen_fonts_->input_footnote)) ||
 499                    strToDbl(fl_get_input(screen_fonts_->input_footnote)) >
 500                    strToDbl(fl_get_input(screen_fonts_->input_small)) ||
 501                    strToDbl(fl_get_input(screen_fonts_->input_small)) >
 502                    strToDbl(fl_get_input(screen_fonts_->input_normal)) ||
 503                    strToDbl(fl_get_input(screen_fonts_->input_normal)) >
 504                    strToDbl(fl_get_input(screen_fonts_->input_large)) ||
 505                    strToDbl(fl_get_input(screen_fonts_->input_large)) >
 506                    strToDbl(fl_get_input(screen_fonts_->input_larger)) ||
 507                    strToDbl(fl_get_input(screen_fonts_->input_larger)) >
 508                    strToDbl(fl_get_input(screen_fonts_->input_largest)) ||
 509                    strToDbl(fl_get_input(screen_fonts_->input_largest)) >
 510                    strToDbl(fl_get_input(screen_fonts_->input_huge)) ||
 511                    strToDbl(fl_get_input(screen_fonts_->input_huge)) >
 512                    strToDbl(fl_get_input(screen_fonts_->input_huger))) {
 513                 activate = false;
 514                 lyxerr[Debug::GUI] << "Preferences: Sizes are wrong\n";
 515         }
 516
 517         return activate;
 518 }
 519
 520
 521 void FormPreferences::ok()
 522 {
 523         FormBase::ok();
 524         lv_->getLyXFunc()->Dispatch(LFUN_SAVEPREFERENCES);
 525 }
 526
 527
 528 void FormPreferences::restore()
 529 {
 530         update();
 531 // if I add an error message line to the dialog it'll have to be controlled
 532 // within input().  I don't need it yet so I'll leave it commented out.
 533 //      bc_.valid(input(0));
 534 }