src/frontends/xforms/Menubar_pimpl.C

   1 /* This file is part of
   2 * ======================================================
   3 *
   4 *           LyX, The Document Processor
   5 *
   6 *           Copyright (C) 1999 The LyX Team.
   7 *
   8 *======================================================*/
   9
  10 #ifdef __GNUG__
  11 #pragma implementation
  12 #endif
  13
  14 #include <config.h>
  15
  16 #include <algorithm>
  17 #include <cctype>
  18 #include "support/lstrings.h"
  19 #include "support/filetools.h"
  20 #include "support/LAssert.h"
  21 #include "debug.h"
  22 #include "LyXAction.h"
  23 #include "lyxfunc.h"
  24 #include "kbmap.h"
  25 #include "bufferlist.h"
  26 #include "lastfiles.h"
  27 #include "LyXView.h"
  28 #include "MenuBackend.h"
  29 #include "Menubar_pimpl.h"
  30 #include "exporter.h"
  31
  32 using std::pair;
  33 using std::endl;
  34 using std::vector;
  35 using std::max;
  36 using std::min;
  37
  38 typedef vector<int>::size_type size_type;
  39
  40 extern kb_keymap * toplevel_keymap;
  41 extern LyXAction lyxaction;
  42 extern BufferList bufferlist;
  43 extern LastFiles * lastfiles;
  44
  45 // Some constants
  46 const int MENU_LABEL_SIZE = FL_NORMAL_SIZE;
  47 const int mheight = 30;
  48 const int mbheight= 22;
  49 // where to place the menubar?
  50 const int yloc = (mheight - mbheight)/2; //air + bw;
  51 const int mbadd = 20; // menu button add (to width)
  52 // Some space between buttons on the menubar
  53 const int air = 2;
  54 char const * menu_tabstop = "aa";
  55 char const * default_tabstop = "aaaaaaaa";
  56
  57 //Defined later, used in makeMenubar().
  58 extern "C"
  59 void C_Menubar_Pimpl_MenuCallback(FL_OBJECT * ob, long button);
  60
  61 // This is used a few times below.
  62 inline
  63 int string_width(string const & str)
  64 {
  65         return fl_get_string_widthTAB(FL_NORMAL_STYLE, MENU_LABEL_SIZE,
  66                                       str.c_str(), str.length());
  67 }
  68
  69
  70 Menubar::Pimpl::Pimpl(LyXView * view, MenuBackend const & mb)
  71         : owner_(view), menubackend_(&mb), current_group_(0)
  72 {
  73         for(MenuBackend::const_iterator menu = menubackend_->begin();
  74             menu != menubackend_->end() ; ++menu) {
  75                 if (menu->menubar()) {
  76                         FL_OBJECT * group = fl_bgn_group();
  77                         makeMenubar(*menu);
  78                         fl_end_group();
  79                         fl_hide_object(group);
  80                         lyxerr[Debug::GUI]
  81                                 << "Menubar::Pimpl::Pimpl: "
  82                                 << "creating and hiding group " << group
  83                                 << " for menubar " << menu->name() << endl;
  84                         menubarmap_[menu->name()] = group;
  85                 }
  86         }
  87 }
  88
  89
  90 Menubar::Pimpl::~Pimpl()
  91 {
  92         // Should we do something here?
  93 }
  94
  95
  96 void Menubar::Pimpl::makeMenubar(Menu const &menu)
  97 {
  98         FL_FORM * form = owner_->getForm();
  99         int moffset = 0;
 100
 101         // Create menu frame if there is non yet.
 102         FL_OBJECT * frame = fl_add_frame(FL_UP_FRAME, 0, 0,
 103                                          form->w, mheight, "");
 104         fl_set_object_resize(frame, FL_RESIZE_ALL);
 105         fl_set_object_gravity(frame, NorthWestGravity,
 106                               NorthEastGravity);
 107
 108         for (Menu::const_iterator i = menu.begin();
 109              i != menu.end(); ++i) {
 110                 FL_OBJECT * obj;
 111                 if (i->kind() != MenuItem::Submenu) {
 112                         lyxerr << "ERROR: Menubar::Pimpl::createMenubar:"
 113                                 " only submenus can appear in a menubar";
 114                         break;
 115                 }
 116                 string label = i->label();
 117                 string shortcut = '#' + i->shortcut();
 118                 int width = string_width(label);
 119                 obj = fl_add_button(FL_TOUCH_BUTTON,
 120                                     air + moffset, yloc,
 121                                     width + mbadd,
 122                                     mbheight,
 123                                     label.c_str());
 124                 fl_set_object_boxtype(obj, FL_FLAT_BOX);
 125                 fl_set_object_color(obj, FL_MCOL, FL_MCOL);
 126                 fl_set_object_lsize(obj, MENU_LABEL_SIZE);
 127                 fl_set_object_lstyle(obj, FL_NORMAL_STYLE);
 128                 fl_set_object_resize(obj, FL_RESIZE_ALL);
 129                 fl_set_object_gravity(obj, NorthWestGravity,
 130                                       NorthWestGravity);
 131                 moffset += obj->w + air;
 132                 fl_set_object_shortcut(obj, shortcut.c_str(), 1);
 133                 fl_set_object_callback(obj, C_Menubar_Pimpl_MenuCallback, 1);
 134
 135                 ItemInfo * iteminfo = new ItemInfo(this,
 136                                                    new MenuItem(*i), obj);
 137                 buttonlist_.push_back(iteminfo);
 138                 obj->u_vdata = iteminfo;
 139         }
 140
 141 }
 142
 143 void Menubar::Pimpl::set(string const & menu_name)
 144 {
 145         lyxerr[Debug::GUI] << "Entering Menubar::Pimpl::set "
 146                            << "for menu `" << menu_name << "'" << endl;
 147
 148         if (menu_name != current_menu_name_) {
 149                 MenubarMap::iterator mbit = menubarmap_.find(menu_name);
 150
 151                 if (mbit == menubarmap_.end()) {
 152                         lyxerr << "ERROR:set: Unknown menu `" << menu_name
 153                                << "'" << endl;
 154                         return;
 155                 }
 156
 157                 if (current_group_) {
 158                         lyxerr[Debug::GUI] << "  hiding group "
 159                                            << current_group_ << endl;
 160                         fl_hide_object(current_group_);
 161                 }
 162
 163                 lyxerr[Debug::GUI] << "  showing group "
 164                                    << mbit->second << endl;
 165                 fl_show_object(mbit->second);
 166                 current_menu_name_ = menu_name;
 167                 current_group_ = mbit->second;
 168                 lyxerr[Debug::GUI] << "Menubar::Pimpl::set: Menubar set."
 169                                    << endl;
 170         }
 171         else
 172                 lyxerr [Debug::GUI] << "Menubar::Pimpl::set: Nothing to do."
 173                                     << endl;
 174 }
 175
 176 void Menubar::Pimpl::openByName(string const & name)
 177 {
 178         for(ButtonList::const_iterator cit = buttonlist_.begin();
 179             cit != buttonlist_.end(); ++cit) {
 180                 if ((*cit)->item_->submenu() == name) {
 181                         MenuCallback((*cit)->obj_, 1);
 182                         return;
 183                 }
 184         }
 185         lyxerr << "Menubar::Pimpl::openByName: menu "
 186                << name << " not found" << endl;
 187 }
 188
 189
 190 void Menubar::Pimpl::add_lastfiles(int menu, string const & extra_label)
 191 {
 192         int ii = 1;
 193         for (LastFiles::const_iterator cit = lastfiles->begin();
 194              cit != lastfiles->end() && ii < 10; ++cit, ++ii) {
 195
 196                 int action =
 197                         lyxaction.getPseudoAction(LFUN_FILE_OPEN, (*cit));
 198                 string label = tostr(ii) + ". "
 199                         + MakeDisplayPath((*cit),30)
 200                         + "%x" + tostr(action) + "%h";
 201                 if ((cit + 1) == lastfiles->end())
 202                         label += extra_label;
 203                 string shortcut = tostr(ii) + "#" + tostr(ii);
 204                 lyxerr[Debug::GUI] << "shortcut is " << shortcut <<
 205                         endl;
 206
 207                 fl_addtopup(menu, label.c_str(), shortcut.c_str());
 208         }
 209
 210 }
 211
 212 void Menubar::Pimpl::add_documents(int menu, string const & extra_label)
 213 {
 214         vector<string> names = bufferlist.getFileNames();
 215
 216         if (names.empty()) {
 217                 fl_addtopup(menu,_("No Documents Open!%i"));
 218                 return;
 219         }
 220
 221         for (vector<string>::const_iterator cit = names.begin();
 222              cit != names.end() ; ++cit) {
 223                 int action =
 224                         lyxaction.getPseudoAction(LFUN_SWITCHBUFFER, *cit);
 225                 string label = MakeDisplayPath(*cit, 30)
 226                         + "%x" + tostr(action);
 227                 if ((cit + 1) == names.end())
 228                         label += extra_label;
 229
 230                 fl_addtopup(menu, label.c_str());
 231         }
 232
 233 }
 234
 235
 236 string limit_string_length(string const & str)
 237 {
 238         string::size_type const max_item_length = 45;
 239
 240         if (str.size() > max_item_length)
 241                 return str.substr(0, max_item_length-3) + "...";
 242         else
 243                 return str;
 244 }
 245
 246 size_type const max_number_of_menus = 32;
 247 size_type const max_number_of_items = 25;
 248
 249 void add_toc2(int menu, string const & extra_label,
 250               vector<int> & smn, Window win,
 251               vector<Buffer::TocItem> const & toc_list,
 252               size_type from, size_type to, int depth)
 253 {
 254         if (to - from <= max_number_of_items) {
 255                 for (size_type i = from; i < to; ++i) {
 256                         int action = lyxaction.
 257                                 getPseudoAction(LFUN_GOTO_PARAGRAPH,
 258                                                 tostr(toc_list[i].par->id()));
 259                         string label(4 * max(0, toc_list[i].depth - depth),' ');
 260                         label += toc_list[i].str;
 261                         label = limit_string_length(label);
 262                         label += "%x" + tostr(action);
 263                         if (i == to - 1 && depth == 0)
 264                                 label += extra_label;
 265                         fl_addtopup(menu, label.c_str());
 266                 }
 267         } else {
 268                 size_type pos = from;
 269                 size_type count = 0;
 270                 while (pos < to) {
 271                         ++count;
 272                         if (count > max_number_of_items) {
 273                                 fl_addtopup(menu, ". . .%d");
 274                                 break;
 275                         }
 276                         size_type new_pos = pos+1;
 277                         while (new_pos < to &&
 278                                toc_list[new_pos].depth > depth)
 279                                 ++new_pos;
 280
 281                         int action = lyxaction.
 282                                 getPseudoAction(LFUN_GOTO_PARAGRAPH,
 283                                                 tostr(toc_list[pos].par->id()));
 284                         string label(4 * max(0, toc_list[pos].depth - depth), ' ');
 285                         label += toc_list[pos].str;
 286                         label = limit_string_length(label);
 287                         if (new_pos == to && depth == 0)
 288                                 label += extra_label;
 289
 290                         if (new_pos == pos + 1) {
 291                                 label += "%x" + tostr(action);
 292                                 fl_addtopup(menu, label.c_str());
 293                         } else if (smn.size() < max_number_of_menus) {
 294                                 int menu2 = fl_newpup(win);
 295                                 smn.push_back(menu2);
 296                                 add_toc2(menu2, extra_label, smn, win,
 297                                          toc_list, pos, new_pos, depth+1);
 298                                 label += "%m";
 299                                 fl_addtopup(menu, label.c_str(), menu2);
 300                         } else {
 301                                 label += "%d";
 302                                 fl_addtopup(menu, label.c_str());
 303                         }
 304                         pos = new_pos;
 305                 }
 306         }
 307 }
 308
 309 void Menubar::Pimpl::add_toc(int menu, string const & extra_label,
 310                              vector<int> & smn, Window win)
 311 {
 312         //xgettext:no-c-format
 313         static char const * MenuNames[3] = { N_("List of Figures%m"),
 314         //xgettext:no-c-format
 315                                              N_("List of Tables%m"),
 316         //xgettext:no-c-format
 317                                              N_("List of Algorithms%m") };
 318
 319         vector<vector<Buffer::TocItem> > toc_list =
 320                 owner_->buffer()->getTocList();
 321
 322         // Handle LOF/LOT/LOA
 323         int max_nonempty = 0;
 324         for (int i = 1; i <= 3; ++i)
 325                 if (!toc_list[i].empty())
 326                         max_nonempty = i;
 327
 328         for (int j = 1; j <= 3; ++j)
 329                 if (!toc_list[j].empty()) {
 330                         int menu2 = fl_newpup(win);
 331                         smn.push_back(menu2);
 332                         for (size_type i = 0; i < toc_list[j].size(); ++i) {
 333                                 if (i > max_number_of_items) {
 334                                         fl_addtopup(menu2, ". . .%d");
 335                                         break;
 336                                 }
 337                                 int action = lyxaction.
 338                                         getPseudoAction(LFUN_GOTO_PARAGRAPH,
 339                                                         tostr(toc_list[j][i].par->id()));
 340                                 string label =
 341                                         limit_string_length(toc_list[j][i].str);
 342                                 label += "%x" + tostr(action);
 343                                 fl_addtopup(menu2, label.c_str());
 344                         }
 345                         if (j == max_nonempty) {
 346                                 string label = _(MenuNames[j-1]);
 347                                 label += "%l";
 348                                 fl_addtopup(menu, label.c_str(), menu2);
 349                         } else
 350                                 fl_addtopup(menu, _(MenuNames[j-1]), menu2);
 351                 }
 352
 353         // Handle normal TOC
 354         if (max_nonempty == 0 && toc_list[0].empty()) {
 355                 fl_addtopup(menu,_("No Table of Contents%i"));
 356                 return;
 357         }
 358
 359         add_toc2(menu, extra_label, smn, win,
 360                  toc_list[0], 0, toc_list[0].size(), 0);
 361
 362 }
 363
 364 void add_references2(int menu, vector<int> & smn, Window win,
 365                      vector<string> const & label_list, string const & type)
 366 {
 367         size_type const max_number_of_items = 25;
 368         size_type const max_number_of_items2 = 20;
 369         string::size_type const max_item_length = 40;
 370         string::size_type const max_item_length2 = 20;
 371
 372         if (label_list.size() <= max_number_of_items)
 373                 for (size_type i = 0; i < label_list.size(); ++i) {
 374                         int action = (type == "goto")
 375                                 ? lyxaction.getPseudoAction(LFUN_REF_GOTO,
 376                                                             label_list[i])
 377                                 : lyxaction.getPseudoAction(LFUN_REF_INSERT,
 378                                                             type + "|++||++|"
 379                                                             + label_list[i]);
 380                         string label = label_list[i];
 381                         if (label.size() > max_item_length)
 382                                 label = label.substr(0, max_item_length-1) + "$";
 383                         label += "%x" + tostr(action);
 384                         fl_addtopup(menu, label.c_str());
 385                 }
 386         else {
 387                 size_type count = 0;
 388                 for (size_type i = 0; i < label_list.size();
 389                      i += max_number_of_items2) {
 390                         ++count;
 391                         if (count > max_number_of_items) {
 392                                 fl_addtopup(menu, ". . .%d");
 393                                 break;
 394                         }
 395                         size_type j = min(label_list.size(),
 396                                           i+max_number_of_items2);
 397
 398                         string label;
 399                         label += (label_list[i].size() > max_item_length2)
 400                                 ? label_list[i].substr(0, max_item_length2-1) + "$"
 401                                 : label_list[i];
 402                         label += "..";
 403                         label += (label_list[j-1].size() > max_item_length2)
 404                                 ? label_list[j-1].substr(0, max_item_length2-1) + "$"
 405                                 : label += label_list[j-1];
 406
 407                         if (smn.size() < max_number_of_menus) {
 408                                 int menu2 = fl_newpup(win);
 409                                 smn.push_back(menu2);
 410                                 for (size_type k = i;  k < j; ++k) {
 411                                         int action = (type == "goto")
 412                                                 ? lyxaction.getPseudoAction(LFUN_REF_GOTO,
 413                                                                             label_list[k])
 414                                                 : lyxaction.getPseudoAction(LFUN_REF_INSERT,
 415                                                                             type + "|++||++|"
 416                                                                             + label_list[k]);
 417                                         string label2 = label_list[k];
 418                                         if (label2.size() > max_item_length)
 419                                                 label2 = label2.substr(0, max_item_length-1) + "$";
 420                                         label2 += "%x" + tostr(action);
 421                                         fl_addtopup(menu2, label2.c_str());
 422                                 }
 423                                 label += "%m";
 424                                 fl_addtopup(menu, label.c_str(), menu2);
 425                         } else {
 426                                 label += "%d";
 427                                 fl_addtopup(menu, label.c_str());
 428                         }
 429                 }
 430         }
 431 }
 432
 433
 434 void Menubar::Pimpl::add_references(int menu, string const & extra_label,
 435                                     vector<int> & smn, Window win)
 436 {
 437         //xgettext:no-c-format
 438         static char const * MenuNames[6] = { N_("Insert Reference%m"),
 439         //xgettext:no-c-format
 440                                              N_("Insert Page Number%m"),
 441         //xgettext:no-c-format
 442                                              N_("Insert vref%m"),
 443         //xgettext:no-c-format
 444                                              N_("Insert vpageref%m"),
 445         //xgettext:no-c-format
 446                                              N_("Insert Pretty Ref%m"),
 447         //xgettext:no-c-format
 448                                              N_("Goto Reference%m") };
 449
 450         int const EMPTY = 1;
 451         int const SGML = 2;
 452         int const READONLY = 4;
 453
 454         static int MenuFlags[6] = {
 455                 EMPTY | READONLY,
 456                 EMPTY | READONLY,
 457                 EMPTY | READONLY | SGML,
 458                 EMPTY | READONLY | SGML,
 459                 EMPTY | READONLY | SGML,
 460                 EMPTY };
 461
 462         static string const MenuTypes[6] = {
 463                 "ref", "pageref", "vref", "vpageref", "prettyref", "goto" };
 464
 465         vector<string> label_list = owner_->buffer()->getLabelList();
 466
 467         int flag = 0;
 468         if (label_list.empty())
 469                 flag += EMPTY;
 470         if (owner_->buffer()->isSGML())
 471                 flag += SGML;
 472         if (owner_->buffer()->isReadonly())
 473                 flag += READONLY;
 474
 475         int max_nonempty = -1;
 476         for (int i = 0; i < 6; ++i)
 477                 if ((MenuFlags[i] & flag) == 0)
 478                         max_nonempty = i;
 479
 480         for (int i = 0; i < 6; ++i) {
 481                 if ((MenuFlags[i] & flag) == 0) {
 482                         string label = _(MenuNames[i]);
 483                         if (i == max_nonempty)
 484                                 label += extra_label;
 485                         if (smn.size() < max_number_of_menus) {
 486                                 int menu2 = fl_newpup(win);
 487                                 smn.push_back(menu2);
 488                                 add_references2(menu2, smn, win, label_list,
 489                                                 MenuTypes[i]);
 490                                 fl_addtopup(menu, label.c_str(), menu2);
 491                         } else {
 492                                 label += "%d";
 493                                 fl_addtopup(menu, label.c_str());
 494                         }
 495                 }
 496         }
 497 }
 498
 499
 500 void Menubar::Pimpl::add_formats(int menu, string const & extra_label,
 501                                  kb_action action, bool viewable)
 502 {
 503         vector<pair<string,string> > names =
 504                 viewable
 505                 ? Exporter::GetViewableFormats(owner_->buffer())
 506                 : Exporter::GetExportableFormats(owner_->buffer());
 507
 508         for (vector<pair<string,string> >::const_iterator cit = names.begin();
 509              cit != names.end() ; ++cit) {
 510                 int action2 =
 511                         lyxaction.getPseudoAction(action, (*cit).first);
 512                 string label = (*cit).second
 513                         + "%x" + tostr(action2);
 514                 if ((cit + 1) == names.end())
 515                         label += extra_label;
 516
 517                 fl_addtopup(menu, label.c_str());
 518         }
 519 }
 520
 521
 522 int Menubar::Pimpl::create_submenu(Window win, LyXView * view,
 523                                    string const & menu_name,
 524                                    vector<int> & smn)
 525 {
 526         if (!menubackend_->hasMenu(menu_name)){
 527                 lyxerr << "ERROR:create_submenu: Unknown menu `"
 528                        << menu_name << "'" << endl;
 529                 return -1;
 530         }
 531         Menu md = menubackend_->getMenu(menu_name);
 532
 533         int menu = fl_newpup(win);
 534         fl_setpup_softedge(menu, true);
 535         fl_setpup_bw(menu, -1);
 536         lyxerr[Debug::GUI] << "Adding menu " << menu
 537                            << " in deletion list" << endl;
 538         smn.push_back(menu);
 539
 540         // Compute the size of the largest label (because xforms is
 541         // not able to support shortcuts correctly...)
 542         int max_width = 0;
 543         string widest_label;
 544         Menu::const_iterator end = md.end();
 545         for (Menu::const_iterator i = md.begin(); i != end; ++i) {
 546                 MenuItem const & item = (*i);
 547                 if (item.kind() == MenuItem::Command) {
 548                         string label = item.label() + '\t';
 549                         int width = string_width(label);
 550                         if (width > max_width) {
 551                                 max_width = width;
 552                                 widest_label = label;
 553                         }
 554                 }
 555         }
 556         lyxerr[Debug::GUI] << "max_width=" << max_width
 557                            << ", widest_label=`" << widest_label
 558                            << "'" << endl;
 559
 560         // Compute where to put separators
 561         vector<string> extra_labels(md.size());
 562         vector<string>::iterator it = extra_labels.begin();
 563         vector<string>::iterator last = it;
 564         for (Menu::const_iterator i = md.begin(); i != end; ++i, ++it)
 565                 if (i->kind() == MenuItem::Separator)
 566                         *last = "%l";
 567                 else if (!i->optional() ||
 568                          !(view->getLyXFunc()->getStatus(i->action()) & LyXFunc::Disabled))
 569                         last = it;
 570
 571         it = extra_labels.begin();
 572         for (Menu::const_iterator i = md.begin(); i != end; ++i, ++it) {
 573                 MenuItem const & item = (*i);
 574                 string & extra_label = *it;
 575
 576                 switch(item.kind()) {
 577                 case MenuItem::Command: {
 578                         LyXFunc::func_status flag =
 579                                 view->getLyXFunc()->getStatus(item.action());
 580
 581                         // handle optional entries.
 582                         if (item.optional() && (flag & LyXFunc::Disabled)) {
 583                                 lyxerr[Debug::GUI]
 584                                         << "Skipping optional item "
 585                                         << item.label() << endl;
 586                                 break;
 587                         }
 588
 589                         // Get the keys bound to this action, but keep only the
 590                         // first one later
 591                         string accel = toplevel_keymap->findbinding(item.action());
 592                         // Build the menu label from all the info
 593                         string label = item.label();
 594
 595                         if (!accel.empty()) {
 596                                 // Try to be clever and add  just enough
 597                                 // tabs to align shortcuts.
 598                                 do
 599                                         label += '\t';
 600                                 while (string_width(label) < max_width);
 601                                 label += accel.substr(1,accel.find(']') - 1);
 602                         }
 603                         label += "%x" + tostr(item.action()) + extra_label;
 604
 605                         // Modify the entry using the function status
 606                         string pupmode;
 607                         if (flag & (LyXFunc::Disabled | LyXFunc::Unknown))
 608                                 pupmode += "%i";
 609                         if (flag & LyXFunc::ToggleOn)
 610                                 pupmode += "%B";
 611                         if (flag & LyXFunc::ToggleOff)
 612                                 pupmode += "%b";
 613                         label += pupmode;
 614
 615                         // Finally the menu shortcut
 616                         string shortcut = item.shortcut();
 617
 618                         if (!shortcut.empty()) {
 619                                 shortcut += lowercase(shortcut[0]);
 620                                 label += "%h";
 621                                 fl_addtopup(menu, label.c_str(),
 622                                             shortcut.c_str());
 623                         } else
 624                                 fl_addtopup(menu, label.c_str());
 625
 626                         lyxerr[Debug::GUI] << "Command: \""
 627                                            << lyxaction.getActionName(item.action())
 628                                            << "\", Binding " << accel
 629                                            << ", shortcut " << shortcut
 630                                            << endl;
 631
 632
 633                         break;
 634                 }
 635
 636                 case MenuItem::Submenu: {
 637                         int submenu = create_submenu(win, view,
 638                                                      item.submenu(), smn);
 639                         if (submenu == -1)
 640                                 return -1;
 641                         string label = item.label();
 642                         label += extra_label + "%m";
 643                         string shortcut = item.shortcut();
 644                         if (!shortcut.empty()) {
 645                                 shortcut += lowercase(shortcut[0]);
 646                                 fl_addtopup(menu, (label + "%h").c_str(),
 647                                             submenu, shortcut.c_str());
 648                         }
 649                         else {
 650                                 fl_addtopup(menu, label.c_str(), submenu);
 651                         }
 652                         break;
 653                 }
 654
 655                 case MenuItem::Separator:
 656                         // already done, and if it was the first one,
 657                         // we just ignore it.
 658                         break;
 659
 660                 case MenuItem::Documents:
 661                         add_documents(menu, extra_label);
 662                         break;
 663
 664                 case MenuItem::Lastfiles:
 665                         add_lastfiles(menu, extra_label);
 666                         break;
 667
 668                 case MenuItem::Toc:
 669                         add_toc(menu, extra_label, smn, win);
 670                         break;
 671
 672                 case MenuItem::References:
 673                         add_references(menu, extra_label, smn, win);
 674                         break;
 675
 676                 case MenuItem::ViewFormats:
 677                         add_formats(menu, extra_label, LFUN_PREVIEW, true);
 678                         break;
 679
 680                 case MenuItem::UpdateFormats:
 681                         add_formats(menu, extra_label, LFUN_UPDATE, true);
 682                         break;
 683
 684                 case MenuItem::ExportFormats:
 685                         add_formats(menu, extra_label, LFUN_EXPORT, false);
 686                         break;
 687
 688                 }
 689         }
 690         return menu;
 691 }
 692
 693 extern "C"
 694 void C_Menubar_Pimpl_MenuCallback(FL_OBJECT * ob, long button)
 695 {
 696         Menubar::Pimpl::MenuCallback(ob, button);
 697 }
 698
 699
 700 void Menubar::Pimpl::MenuCallback(FL_OBJECT * ob, long button)
 701 {
 702         ItemInfo * iteminfo = static_cast<ItemInfo *>(ob->u_vdata);
 703 //      lyxerr << "MenuCallback: ItemInfo address=" << iteminfo
 704 //             << "Val=(pimpl_=" << iteminfo->pimpl_
 705 //             << ", item_=" << iteminfo->item_
 706 //             << ", obj_=" << iteminfo->obj_ << ")" <<endl;
 707
 708         LyXView * view = iteminfo->pimpl_->owner_;
 709         MenuItem const * item = iteminfo->item_;
 710
 711         if (button == 1) {
 712                 // set the pseudo menu-button
 713                 fl_set_object_boxtype(ob, FL_DOWN_BOX);
 714                 fl_set_button(ob, 0);
 715                 fl_redraw_object(ob);
 716         }
 717
 718         // Paranoia check
 719         Assert(item->kind() == MenuItem::Submenu);
 720
 721         // set tabstop length
 722         fl_set_tabstop(menu_tabstop);
 723         vector<int> submenus;
 724         int menu = iteminfo->pimpl_->
 725                 create_submenu(FL_ObjWin(ob), view,
 726                                item->submenu(), submenus);
 727         if (menu != -1) {
 728                 // place popup
 729                 fl_setpup_position(view->getForm()->x + ob->x,
 730                                    view->getForm()->y + ob->y + ob->h + 10);
 731                 int choice = fl_dopup(menu);
 732
 733                 if (button == 1) {
 734                                 // set the pseudo menu-button back
 735                         fl_set_object_boxtype(ob, FL_FLAT_BOX);
 736                         fl_redraw_object(ob);
 737                 }
 738
 739                 if (choice >= 1) {
 740                         view->getLyXFunc()->Dispatch(choice);
 741                 }
 742         }
 743         else
 744                 lyxerr << "Error in MenuCallback" << endl;
 745
 746         std::for_each(submenus.begin(), submenus.end(), fl_freepup);
 747         // restore tabstop length
 748         fl_set_tabstop(default_tabstop);
 749
 750 }