src/frontends/gnome/Menubar_pimpl.C

   1 // -*- C++ -*-
   2 /* This file is part of
   3  * ======================================================
   4  *
   5  *           LyX, The Document Processor
   6  *
   7  *          Copyright 2000 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 #ifdef __GNUG__
  12 #pragma implementation
  13 #endif
  14
  15 #include <config.h>
  16
  17 #include <algorithm>
  18 #include <cctype>
  19 #include "support/lstrings.h"
  20 #include "support/filetools.h"
  21 #include "support/StrPool.h"
  22 #include "support/LAssert.h"
  23 #include "debug.h"
  24 #include "LyXAction.h"
  25 #include "lyxfunc.h"
  26 #include "kbmap.h"
  27 #include "bufferlist.h"
  28 #include "lastfiles.h"
  29 #include "LyXView.h"
  30 #include "MenuBackend.h"
  31 #include "Menubar_pimpl.h"
  32 #include "lyxtext.h"
  33 #include "exporter.h"
  34
  35 #include "mainapp.h"
  36
  37 #include <gtk--/menu.h>
  38
  39 using SigC::slot;
  40 using SigC::bind;
  41
  42 using std::endl;
  43
  44 // temporary solution for LyXView
  45 extern GLyxAppWin * mainAppWin;
  46
  47 // Some constants
  48 extern kb_keymap * toplevel_keymap;
  49 extern LyXAction lyxaction;
  50 extern BufferList bufferlist;
  51 extern LastFiles * lastfiles;
  52
  53
  54
  55 Menubar::Pimpl::Pimpl(LyXView * view, MenuBackend const & mb)
  56   : owner_(view), menubackend_(&mb), ignore_action_(false)
  57 {
  58
  59 }
  60
  61 Menubar::Pimpl::~Pimpl()
  62 {
  63   if (utoc_.connected()) utoc_.disconnect();
  64 }
  65
  66 void Menubar::Pimpl::set(string const & menu_name)
  67 {
  68   // if (current_menu_name_ != menu_name)  // disabled until Lastfiles and Documents are added dynamically to menu
  69     {
  70       current_menu_name_ = menu_name;
  71
  72       // clean up the lists
  73       toc_.clear();
  74       if (utoc_.connected()) utoc_.disconnect();
  75
  76       // compose new menu
  77       vector<Gnome::UI::Info> menus;
  78       composeUIInfo(current_menu_name_, menus, "");
  79
  80       // set menu
  81       Menu_ = menus;
  82       mainAppWin->set_menu(Menu_);
  83
  84       // connect all menu items to correspoding action
  85       wid_act_.clear();
  86       ignore_action_ = true;
  87       connectWidgetToAction(Menu_.gtkobj());
  88       ignore_action_ = false;
  89
  90       // update state of the items
  91       update();
  92       updateAllLists();
  93     }
  94 }
  95
  96 void Menubar::Pimpl::updateAllLists()
  97 {
  98   // update lists
  99   if (toc_.size() > 0)
 100     {
 101       vector<Buffer::TocItem> toclist = (owner_->view()->buffer()->getTocList())[Buffer::TOC_TOC];
 102       updateList(&toclist, &toc_);
 103     }
 104 }
 105
 106 int const max_number_of_items = 25;
 107 void Menubar::Pimpl::updateList(vector<Buffer::TocItem> * toclist, vector<ListsHolder> * pgui)
 108 {
 109   vector<ListsHolder> & gui = *pgui;
 110   int szGui = gui.size();
 111   int i;
 112   for (i=0; i < szGui; ++i)
 113     {
 114       int oldsz = gui[i].lst.size();
 115       vector<Gnome::UI::Info> menu;
 116       string label;
 117
 118       menu.push_back(Gnome::UI::Item(Gnome::UI::Icon(GNOME_STOCK_MENU_REFRESH),
 119                                      N_("Refresh"), slot(this, &Menubar::Pimpl::updateAllLists)));
 120
 121       if (toclist->size() > max_number_of_items)
 122         composeTocUIInfo(menu, *toclist, toclist->begin(), 0);
 123       else
 124         {
 125           vector<Buffer::TocItem>::const_iterator end = toclist->end();
 126           for (vector<Buffer::TocItem>::const_iterator it = toclist->begin();
 127                it != end; ++it)
 128
 129             {
 130               label = string(4*(*it).depth,' ')+(*it).str;
 131
 132               menu.push_back(Gnome::UI::Item(label,
 133                                              bind<Buffer::TocItem>(slot(this, &Menubar::Pimpl::callbackToc), (*it)),
 134                                              label));
 135             }
 136         }
 137
 138       gui[i].lst = menu;
 139       mainAppWin->update_menu(gui[i].path, oldsz, gui[i].lst);
 140     }
 141 }
 142
 143 vector<Buffer::TocItem>::const_iterator
 144 Menubar::Pimpl::composeTocUIInfo(vector<Gnome::UI::Info> & menu,
 145                                  vector<Buffer::TocItem> const & toclist,
 146                                  vector<Buffer::TocItem>::const_iterator begin,
 147                                  int mylevel)
 148 {
 149   string label = N_("<No Name>");
 150
 151   vector<Buffer::TocItem>::const_iterator end = toclist.end();
 152   vector<Buffer::TocItem>::const_iterator it;
 153   for (it = begin; it != end && (*it).depth >= mylevel; ++it)
 154     {
 155       if ( (*it).depth == mylevel &&
 156            (it+1 == end || (*(it+1)).depth <= mylevel) )
 157         {
 158           label = (*it).str;
 159           menu.push_back(Gnome::UI::Item(label,
 160                                        bind<Buffer::TocItem>(slot(this, &Menubar::Pimpl::callbackToc), (*it)),
 161                                          label));
 162         }
 163       else
 164         {
 165           vector<Gnome::UI::Info> submenu;
 166           if ( (*it).depth == mylevel )
 167             {
 168               label = (*it).str;
 169               submenu.push_back(Gnome::UI::Item(label,
 170                                                 bind<Buffer::TocItem>(slot(this, &Menubar::Pimpl::callbackToc), (*it)),
 171                                                 label));
 172               ++it;
 173             }
 174           it = composeTocUIInfo(submenu, toclist, it, mylevel+1);
 175           menu.push_back(Gnome::UI::Menu(label,submenu,label));
 176         }
 177     }
 178   --it;
 179   return it;
 180 }
 181
 182 void Menubar::Pimpl::callback(int action)
 183 {
 184   // Dispatch action OR record action to local variable (see connectWidgetToAction)
 185   if (!ignore_action_) {
 186       Pimpl::update();
 187       owner_->getLyXFunc()->Dispatch(action);
 188   } else
 189       action_ = action;
 190 }
 191
 192 void Menubar::Pimpl::callbackToc(Buffer::TocItem tg)
 193 {
 194   if (!owner_->view()->available()) return;
 195
 196   owner_->view()->beforeChange();
 197   owner_->view()->text->SetCursor( owner_->view(), tg.par, 0 );
 198   owner_->view()->text->sel_cursor = owner_->view()->text->cursor;
 199   owner_->view()->update(BufferView::SELECT|BufferView::FITCUR);
 200 }
 201
 202 void Menubar::Pimpl::composeUIInfo(string const & menu_name, vector<Gnome::UI::Info> & Menus, string rootpath)
 203 {
 204   string path = rootpath;
 205
 206   if (!menubackend_->hasMenu(menu_name))
 207     {
 208       cout << "ERROR:composeUIInfo: Unknown menu `" << menu_name
 209            << "'" << endl;
 210       return;
 211     }
 212
 213   Menu menu = menubackend_->getMenu(menu_name);
 214
 215   for (Menu::const_iterator i = menu.begin(); i != menu.end(); ++i)
 216     {
 217       MenuItem item = (*i);
 218       switch(item.kind()) {
 219
 220       case MenuItem::Command: {
 221         string label = item.label();
 222
 223         path = rootpath + label;
 224
 225         if (label.find(item.shortcut()) != string::npos)
 226           label.insert(label.find(item.shortcut()), "_");
 227
 228         LyXFunc::func_status flag = owner_->getLyXFunc()->getStatus(item.action());
 229
 230         Gnome::UI::Info gitem;
 231         SigC::Slot0<void> cback = bind<int>(slot(this, &Menubar::Pimpl::callback),item.action());
 232
 233         {
 234           using namespace Gnome::MenuItems;
 235           int ac = item.action();
 236           kb_action action;
 237           string argument;
 238           if (lyxaction.isPseudoAction(ac))
 239             action = lyxaction.retrieveActionArg(ac, argument);
 240           else
 241             action = static_cast<kb_action>(ac);
 242
 243           switch(action) {
 244           case LFUN_MENUOPEN:
 245             gitem = Open(cback);
 246             break;
 247           case LFUN_QUIT:
 248             gitem = Exit(cback);
 249             break;
 250           case LFUN_CLOSEBUFFER:
 251             gitem = Close(cback);
 252             break;
 253           case LFUN_MENUWRITE:
 254             gitem = Save(cback);
 255             break;
 256           case LFUN_MENUWRITEAS:
 257             gitem = SaveAs(cback);
 258             break;
 259           case LFUN_BUFFER_PRINT:
 260             gitem = Print(cback);
 261             break;
 262           case LFUN_CUT:
 263             gitem = Cut(cback);
 264             break;
 265           case LFUN_COPY:
 266             gitem = Copy(cback);
 267             break;
 268           case LFUN_PASTE:
 269             gitem = Paste(cback);
 270             break;
 271           case LFUN_UNDO:
 272             gitem = Gnome::MenuItems::Undo(cback); // confused with class Undo
 273             break;
 274           case LFUN_REDO:
 275             gitem = Redo(cback);
 276             break;
 277           case LFUN_DIALOG_PREFERENCES:
 278             gitem = Preferences(cback);
 279             break;
 280           case LFUN_MENUNEW:
 281             gitem = Gnome::UI::Item(Gnome::UI::Icon(GNOME_STOCK_MENU_NEW),
 282                                     label, cback, lyxaction.helpText(item.action()));
 283             break;
 284           case LFUN_MENUNEWTMPLT:
 285             gitem = Gnome::UI::Item(Gnome::UI::Icon(GNOME_STOCK_MENU_NEW),
 286                                     label, cback, lyxaction.helpText(item.action()));
 287             break;
 288           case LFUN_MENUSEARCH:
 289             gitem = Gnome::UI::Item(Gnome::UI::Icon(GNOME_STOCK_MENU_SRCHRPL),
 290                                     label, cback, lyxaction.helpText(item.action()));
 291             break;
 292           case LFUN_SPELLCHECK:
 293             gitem = Gnome::UI::Item(Gnome::UI::Icon(GNOME_STOCK_MENU_SPELLCHECK),
 294                                     label, cback, lyxaction.helpText(item.action()));
 295             break;
 296           default:
 297             gitem = Gnome::UI::Item(label, cback, lyxaction.helpText(item.action()));
 298             break;
 299           }
 300         }
 301
 302         // first handle optional entries.
 303         if (item.optional() && (flag & LyXFunc::Disabled)) {
 304             lyxerr[Debug::GUI]
 305                 << "Skipping optional item " << item.label() << endl;
 306             break;
 307         }
 308         if ((flag & LyXFunc::ToggleOn) || (flag & LyXFunc::ToggleOff))
 309           gitem = Gnome::UI::ToggleItem(label, cback, lyxaction.helpText(item.action()));
 310
 311         Menus.push_back(gitem);
 312         break;
 313       }
 314
 315       case MenuItem::Submenu: {
 316         vector<Gnome::UI::Info> submenu;
 317         string label = item.label();
 318
 319         path = rootpath + label;
 320
 321         if (label.find(item.shortcut()) != string::npos)
 322           label.insert(label.find(item.shortcut()), "_");
 323         composeUIInfo(item.submenu(), submenu, path + "/");
 324         Menus.push_back(Gnome::UI::Menu(label,submenu,label));
 325         break;
 326       }
 327
 328       case MenuItem::Separator: {
 329
 330         path = rootpath + "<Separator>";
 331
 332         Menus.push_back(Gnome::UI::Separator());
 333         break;
 334       }
 335
 336       case MenuItem::Lastfiles: {
 337         int ii = 1;
 338         for (LastFiles::const_iterator cit = lastfiles->begin();
 339              cit != lastfiles->end() && ii < 10; ++cit, ++ii)
 340           {
 341             int action = lyxaction.getPseudoAction(LFUN_FILE_OPEN, (*cit));
 342             string label = tostr(ii) + ". " + MakeDisplayPath((*cit),30);
 343
 344             path = rootpath + label;
 345             label = "_" + label;
 346
 347             Menus.push_back(Gnome::UI::Item(label,
 348                                             bind<int>(slot(this, &Menubar::Pimpl::callback), action),
 349                                             label));
 350           }
 351         break;
 352       }
 353
 354       case MenuItem::Documents: {
 355         std::vector<string> names = bufferlist.getFileNames();
 356
 357         for (std::vector<string>::const_iterator cit = names.begin();
 358              cit != names.end() ; ++cit)
 359           {
 360             int action = lyxaction.getPseudoAction(LFUN_SWITCHBUFFER, *cit);
 361             string label = MakeDisplayPath(*cit, 30);
 362
 363             path = rootpath + label;
 364
 365             Menus.push_back(Gnome::UI::Item(label,
 366                                             bind<int>(slot(this, &Menubar::Pimpl::callback), action),
 367                                             label));
 368
 369           }
 370         break;
 371       }
 372
 373       case MenuItem::Toc: {
 374         ListsHolder t;
 375         t.path = path;
 376         toc_.push_back(t);
 377         break;
 378       }
 379
 380       case MenuItem::ViewFormats: {
 381         add_formats(Menus, LFUN_PREVIEW, true);
 382         break;
 383       }
 384
 385       case MenuItem::UpdateFormats: {
 386         add_formats(Menus, LFUN_UPDATE, true);
 387         break;
 388       }
 389
 390       case MenuItem::ExportFormats: {
 391         add_formats(Menus, LFUN_EXPORT, false);
 392         break;
 393       }
 394       }
 395     }
 396 }
 397
 398 void Menubar::Pimpl::add_formats(vector<Gnome::UI::Info> & Menus, kb_action action, bool viewable)
 399 {
 400   vector<pair<string,string> > names =
 401     viewable
 402     ? Exporter::GetViewableFormats(owner_->buffer())
 403     : Exporter::GetExportableFormats(owner_->buffer());
 404
 405   for (vector<pair<string,string> >::const_iterator cit = names.begin();
 406        cit != names.end() ; ++cit) {
 407     int action2 = lyxaction.getPseudoAction(action, (*cit).first);
 408     string label = (*cit).second;
 409
 410     Menus.push_back(Gnome::UI::Item(label,
 411                                     bind<int>(slot(this, &Menubar::Pimpl::callback), action2),
 412                                     label));
 413   }
 414 }
 415
 416 void Menubar::Pimpl::connectWidgetToAction(GnomeUIInfo * guinfo)
 417 {
 418   for (; guinfo->type !=  GnomeUIInfoType(GNOME_APP_UI_ENDOFINFO); ++guinfo)
 419     {
 420       if ( ( guinfo->type == GnomeUIInfoType(GNOME_APP_UI_ITEM) ||
 421              guinfo->type == GnomeUIInfoType(GNOME_APP_UI_TOGGLEITEM) ) &&
 422            guinfo->moreinfo != NULL )
 423         {
 424           (*((void(*)(void *, void *))(guinfo->moreinfo)))(NULL, guinfo->user_data);
 425           wid_act_.push_back( GtkWidgetToAction( guinfo->widget, action_ ) );
 426         }
 427       else if ( guinfo->type == GnomeUIInfoType(GNOME_APP_UI_SUBTREE) ||
 428                 guinfo->type == GnomeUIInfoType(GNOME_APP_UI_RADIOITEMS) )
 429         {
 430           connectWidgetToAction(  (GnomeUIInfo *)(guinfo->moreinfo) );
 431         }
 432     }
 433 }
 434
 435 void Menubar::Pimpl::update()
 436 {
 437   vector<GtkWidgetToAction>::const_iterator end=wid_act_.end();
 438   for (vector<GtkWidgetToAction>::const_iterator i = wid_act_.begin(); i != end; ++i)
 439     {
 440       GtkWidgetToAction wa = (*i);
 441       LyXFunc::func_status flag = owner_->getLyXFunc()->getStatus(wa.action_);
 442
 443       if ( flag & (LyXFunc::Disabled | LyXFunc::Unknown) ) gtk_widget_set_sensitive(wa.widget_, false);
 444       else gtk_widget_set_sensitive(wa.widget_, true);
 445
 446       if ( flag & LyXFunc::ToggleOn )
 447         {
 448           ignore_action_=true;
 449           gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(wa.widget_), true);
 450           ignore_action_=false;
 451         }
 452
 453       if ( flag & LyXFunc::ToggleOff )
 454         {
 455           ignore_action_=true;
 456           gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(wa.widget_), false);
 457           ignore_action_=false;
 458         }
 459     }
 460 }
 461
 462 void Menubar::Pimpl::openByName(string const &)
 463 {
 464 //    Pimpl::update();
 465 }