src/frontends/LyXView.cpp

   1 /**
   2  * \file LyXView.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Lars Gullik Bjønnes
   7  * \author John Levon
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 #include <config.h>
  13
  14 #include "LyXView.h"
  15 #include "Dialogs.h"
  16 #include "Timeout.h"
  17 #include "Toolbars.h"
  18 #include "Menubar.h"
  19 #include "WorkArea.h"
  20 #include "Gui.h"
  21
  22 #include "Buffer.h"
  23 //FIXME Bug 3701
  24 //#include "BufferList.h"
  25 #include "BufferParams.h"
  26 #include "BufferView.h"
  27 #include "bufferview_funcs.h"
  28 #include "Cursor.h"
  29 #include "debug.h"
  30 #include "ErrorList.h"
  31 #include "FuncRequest.h"
  32 #include "gettext.h"
  33 #include "Intl.h"
  34 #include "callback.h"
  35 #include "LyXFunc.h"
  36 #include "LyXRC.h"
  37 #include "Text.h"
  38 #include "MenuBackend.h"
  39 #include "Paragraph.h"
  40
  41 #include "controllers/ControlCommandBuffer.h"
  42
  43 #include "support/lstrings.h"
  44 #include "support/filetools.h" // OnlyFilename()
  45
  46 #include <boost/bind.hpp>
  47
  48
  49 namespace lyx {
  50
  51 #ifdef HAVE_SYS_TIME_H
  52 # include <sys/time.h>
  53 #endif
  54 #ifdef HAVE_UNISTD_H
  55 # include <unistd.h>
  56 #endif
  57
  58 using frontend::WorkArea;
  59
  60 using support::bformat;
  61 using support::FileName;
  62 using support::makeDisplayPath;
  63 using support::onlyFilename;
  64
  65 using std::endl;
  66 using std::string;
  67
  68 using lyx::frontend::ControlCommandBuffer;
  69
  70 string current_layout;
  71
  72
  73 LyXView::LyXView(int id)
  74         : work_area_(0),
  75           toolbars_(new Toolbars(*this)),
  76           autosave_timeout_(new Timeout(5000)),
  77           dialogs_(new Dialogs(*this)),
  78           controlcommand_(new ControlCommandBuffer(*this)), id_(id)
  79 {
  80         // Start autosave timer
  81         if (lyxrc.autosave) {
  82                 autosave_timeout_->timeout.connect(boost::bind(&LyXView::autoSave, this));
  83                 autosave_timeout_->setTimeout(lyxrc.autosave * 1000);
  84                 autosave_timeout_->start();
  85         }
  86 }
  87
  88
  89 LyXView::~LyXView()
  90 {
  91         disconnectBuffer();
  92 }
  93
  94
  95 // FIXME, there's only one WorkArea per LyXView possible for now.
  96 void LyXView::setWorkArea(WorkArea * work_area)
  97 {
  98         BOOST_ASSERT(work_area);
  99         work_area_ = work_area;
 100         work_area_ids_.clear();
 101         work_area_ids_.push_back(work_area_->id());
 102 }
 103
 104
 105 // FIXME, there's only one WorkArea per LyXView possible for now.
 106 WorkArea const * LyXView::currentWorkArea() const
 107 {
 108         return work_area_;
 109 }
 110
 111
 112 // FIXME, there's only one WorkArea per LyXView possible for now.
 113 WorkArea * LyXView::currentWorkArea()
 114 {
 115         return work_area_;
 116 }
 117
 118
 119 Buffer * LyXView::buffer() const
 120 {
 121         BOOST_ASSERT(work_area_);
 122         return work_area_->bufferView().buffer();
 123 }
 124
 125
 126 void LyXView::setBuffer(Buffer * b)
 127 {
 128         busy(true);
 129
 130         BOOST_ASSERT(work_area_);
 131         if (work_area_->bufferView().buffer())
 132                 disconnectBuffer();
 133
 134         //FIXME Bug 3701
 135         if (!b) // && theBufferList().empty()
 136                 getDialogs().hideBufferDependent();
 137
 138         work_area_->bufferView().setBuffer(b);
 139         // Make sure the TOC is updated before anything else.
 140         updateToc();
 141
 142         if (work_area_->bufferView().buffer()) {
 143                 // Buffer-dependent dialogs should be updated or
 144                 // hidden. This should go here because some dialogs (eg ToC)
 145                 // require bv_->text.
 146                 getDialogs().updateBufferDependent(true);
 147                 connectBuffer(*work_area_->bufferView().buffer());
 148         }
 149
 150         if (quitting)
 151                 return;
 152
 153         updateMenubar();
 154         updateToolbars();
 155         updateLayoutChoice();
 156         updateWindowTitle();
 157         updateStatusBar();
 158         updateTab();
 159         busy(false);
 160         work_area_->redraw();
 161 }
 162
 163
 164 bool LyXView::loadLyXFile(FileName const & filename, bool tolastfiles)
 165 {
 166         busy(true);
 167
 168         BOOST_ASSERT(work_area_);
 169         bool const hadBuffer = work_area_->bufferView().buffer();
 170         if (hadBuffer)
 171                 disconnectBuffer();
 172
 173         bool const loaded =
 174                 work_area_->bufferView().loadLyXFile(filename, tolastfiles);
 175
 176         updateToc();
 177         updateMenubar();
 178         updateToolbars();
 179         updateLayoutChoice();
 180         updateWindowTitle();
 181         updateTab();
 182         if (loaded) {
 183                 connectBuffer(*work_area_->bufferView().buffer());
 184                 showErrorList("Parse");
 185         } else if (hadBuffer)
 186                 //Need to reconnect the buffer if the load failed
 187                 connectBuffer(*work_area_->bufferView().buffer());
 188         updateStatusBar();
 189         busy(false);
 190         work_area_->redraw();
 191         return loaded;
 192 }
 193
 194
 195 void LyXView::connectBuffer(Buffer & buf)
 196 {
 197         if (errorsConnection_.connected())
 198                 disconnectBuffer();
 199
 200         BOOST_ASSERT(work_area_);
 201         bufferChangedConnection_ =
 202                 buf.changed.connect(
 203                         boost::bind(&WorkArea::redraw, work_area_));
 204
 205         bufferStructureChangedConnection_ =
 206                 buf.getMasterBuffer()->structureChanged.connect(
 207                         boost::bind(&LyXView::updateToc, this));
 208
 209         errorsConnection_ =
 210                 buf.errors.connect(
 211                         boost::bind(&LyXView::showErrorList, this, _1));
 212
 213         messageConnection_ =
 214                 buf.message.connect(
 215                         boost::bind(&LyXView::message, this, _1));
 216
 217         busyConnection_ =
 218                 buf.busy.connect(
 219                         boost::bind(&LyXView::busy, this, _1));
 220
 221         titleConnection_ =
 222                 buf.updateTitles.connect(
 223                         boost::bind(&LyXView::updateWindowTitle, this));
 224
 225         timerConnection_ =
 226                 buf.resetAutosaveTimers.connect(
 227                         boost::bind(&LyXView::resetAutosaveTimer, this));
 228
 229         readonlyConnection_ =
 230                 buf.readonly.connect(
 231                         boost::bind(&LyXView::showReadonly, this, _1));
 232
 233         closingConnection_ =
 234                 buf.closing.connect(
 235                         boost::bind(&LyXView::setBuffer, this, (Buffer *)0));
 236 }
 237
 238
 239 void LyXView::disconnectBuffer()
 240 {
 241         errorsConnection_.disconnect();
 242         bufferChangedConnection_.disconnect();
 243         bufferStructureChangedConnection_.disconnect();
 244         messageConnection_.disconnect();
 245         busyConnection_.disconnect();
 246         titleConnection_.disconnect();
 247         timerConnection_.disconnect();
 248         readonlyConnection_.disconnect();
 249         closingConnection_.disconnect();
 250         layout_changed_connection_.disconnect();
 251 }
 252
 253
 254 void LyXView::connectBufferView(BufferView & bv)
 255 {
 256         show_dialog_connection_ = bv.showDialog.connect(
 257                         boost::bind(&LyXView::showDialog, this, _1));
 258         show_dialog_with_data_connection_ = bv.showDialogWithData.connect(
 259                         boost::bind(&LyXView::showDialogWithData, this, _1, _2));
 260         show_inset_dialog_connection_ = bv.showInsetDialog.connect(
 261                         boost::bind(&LyXView::showInsetDialog, this, _1, _2, _3));
 262         update_dialog_connection_ = bv.updateDialog.connect(
 263                         boost::bind(&LyXView::updateDialog, this, _1, _2));
 264         layout_changed_connection_ = bv.layoutChanged.connect(
 265                         boost::bind(&Toolbars::setLayout, toolbars_.get(), _1));
 266 }
 267
 268
 269 void LyXView::disconnectBufferView()
 270 {
 271         show_dialog_connection_.disconnect();
 272         show_dialog_with_data_connection_.disconnect();
 273         show_inset_dialog_connection_.disconnect();
 274         update_dialog_connection_.disconnect();
 275 }
 276
 277
 278 void LyXView::showErrorList(string const & error_type)
 279 {
 280         ErrorList & el = buffer()->errorList(error_type);
 281         if (!el.empty()) {
 282                 getDialogs().show("errorlist", error_type);
 283         }
 284 }
 285
 286
 287 void LyXView::showDialog(string const & name)
 288 {
 289         getDialogs().show(name);
 290 }
 291
 292
 293 void LyXView::showDialogWithData(string const & name, string const & data)
 294 {
 295         getDialogs().show(name, data);
 296 }
 297
 298
 299 void LyXView::showInsetDialog(string const & name, string const & data,
 300                 Inset * inset)
 301 {
 302         getDialogs().show(name, data, inset);
 303 }
 304
 305
 306 void LyXView::updateDialog(string const & name, string const & data)
 307 {
 308         if (getDialogs().visible(name))
 309                 getDialogs().update(name, data);
 310 }
 311
 312
 313 void LyXView::showReadonly(bool)
 314 {
 315         updateWindowTitle();
 316         getDialogs().updateBufferDependent(false);
 317 }
 318
 319
 320 BufferView * LyXView::view() const
 321 {
 322         BOOST_ASSERT(work_area_);
 323         return &work_area_->bufferView();
 324 }
 325
 326
 327 void LyXView::updateToc()
 328 {
 329         updateDialog("toc", "");
 330 }
 331
 332
 333 void LyXView::updateToolbars()
 334 {
 335         BOOST_ASSERT(work_area_);
 336         bool const math =
 337                 work_area_->bufferView().cursor().inMathed();
 338         bool const table =
 339                 lyx::getStatus(FuncRequest(LFUN_LAYOUT_TABULAR)).enabled();
 340         bool const review =
 341                 lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).enabled() &&
 342                 lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).onoff(true);
 343
 344         toolbars_->update(math, table, review);
 345         // update redaonly status of open dialogs. This could also be in
 346         // updateMenubar(), but since updateToolbars() and updateMenubar()
 347         // are always called together it is only here.
 348         getDialogs().checkStatus();
 349 }
 350
 351
 352 ToolbarInfo::Flags LyXView::getToolbarState(string const & name)
 353 {
 354         return toolbars_->getToolbarState(name);
 355 }
 356
 357
 358 void LyXView::toggleToolbarState(string const & name)
 359 {
 360         // it is possible to get current toolbar status like this,...
 361         // but I decide to obey the order of ToolbarBackend::flags
 362         // and disregard real toolbar status.
 363         // toolbars_->saveToolbarInfo();
 364         //
 365         // toggle state on/off/auto
 366         toolbars_->toggleToolbarState(name);
 367         // update toolbar
 368         updateToolbars();
 369 }
 370
 371
 372 void LyXView::updateMenubar()
 373 {
 374         menubar_->update();
 375 }
 376
 377
 378 void LyXView::autoSave()
 379 {
 380         LYXERR(Debug::INFO) << "Running autoSave()" << endl;
 381
 382         if (view()->buffer())
 383                 lyx::autoSave(view());
 384 }
 385
 386
 387 void LyXView::resetAutosaveTimer()
 388 {
 389         if (lyxrc.autosave)
 390                 autosave_timeout_->restart();
 391 }
 392
 393
 394 void LyXView::updateLayoutChoice()
 395 {
 396         // Don't show any layouts without a buffer
 397         if (!view()->buffer()) {
 398                 toolbars_->clearLayoutList();
 399                 return;
 400         }
 401
 402         // Update the layout display
 403         if (toolbars_->updateLayoutList(buffer()->params().textclass)) {
 404                 current_layout = buffer()->params().getTextClass().defaultLayoutName();
 405         }
 406
 407         BOOST_ASSERT(work_area_);
 408         if (work_area_->bufferView().cursor().inMathed())
 409                 return;
 410
 411         string const & layout =
 412                 work_area_->bufferView().cursor().paragraph().layout()->name();
 413
 414         if (layout != current_layout) {
 415                 toolbars_->setLayout(layout);
 416                 current_layout = layout;
 417         }
 418 }
 419
 420
 421 void LyXView::updateWindowTitle()
 422 {
 423         docstring maximize_title = lyx::from_ascii("LyX");
 424         docstring minimize_title = lyx::from_ascii("LyX");
 425
 426         if (view()->buffer()) {
 427                 string const cur_title = buffer()->fileName();
 428                 if (!cur_title.empty()) {
 429                         maximize_title += ": " + makeDisplayPath(cur_title, 30);
 430                         minimize_title = lyx::from_utf8(onlyFilename(cur_title));
 431                         if (!buffer()->isClean()) {
 432                                 maximize_title += _(" (changed)");
 433                                 minimize_title += lyx::char_type('*');
 434                         }
 435                         if (buffer()->isReadonly())
 436                                 maximize_title += _(" (read only)");
 437                 }
 438         }
 439
 440         setWindowTitle(maximize_title, minimize_title);
 441         updateTab();
 442 }
 443
 444
 445 void LyXView::dispatch(FuncRequest const & cmd)
 446 {
 447         theLyXFunc().setLyXView(this);
 448         lyx::dispatch(cmd);
 449 }
 450
 451
 452 Buffer const * const LyXView::updateInset(Inset const * inset) const
 453 {
 454         Buffer const * buffer_ptr = 0;
 455         if (inset) {
 456                 BOOST_ASSERT(work_area_);
 457                 work_area_->scheduleRedraw();
 458
 459                 buffer_ptr = work_area_->bufferView().buffer();
 460         }
 461         return buffer_ptr;
 462 }
 463
 464
 465 } // namespace lyx