src/frontends/LyXView.C

   1 /**
   2  * \file LyXView.C
   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
  21 #include "buffer.h"
  22 #include "bufferparams.h"
  23 #include "BufferView.h"
  24 #include "bufferview_funcs.h"
  25 #include "cursor.h"
  26 #include "debug.h"
  27 #include "errorlist.h"
  28 #include "funcrequest.h"
  29 #include "gettext.h"
  30 #include "intl.h"
  31 #include "lyx_cb.h"
  32 #include "lyxfunc.h"
  33 #include "lyxrc.h"
  34 #include "lyxtext.h"
  35 #include "MenuBackend.h"
  36 #include "paragraph.h"
  37
  38 #include "controllers/ControlCommandBuffer.h"
  39
  40 #include "support/lstrings.h"
  41 #include "support/filetools.h" // OnlyFilename()
  42
  43 #include <boost/bind.hpp>
  44
  45
  46 namespace lyx {
  47
  48 #ifdef HAVE_SYS_TIME_H
  49 # include <sys/time.h>
  50 #endif
  51 #ifdef HAVE_UNISTD_H
  52 # include <unistd.h>
  53 #endif
  54
  55 using lyx::frontend::WorkArea;
  56
  57 using lyx::docstring;
  58 using lyx::support::bformat;
  59 using lyx::support::makeDisplayPath;
  60 using lyx::support::onlyFilename;
  61
  62 using std::endl;
  63 using std::string;
  64
  65 using lyx::frontend::ControlCommandBuffer;
  66
  67 string current_layout;
  68
  69
  70 LyXView::LyXView(int id)
  71         : work_area_(0),
  72           toolbars_(new Toolbars(*this)),
  73           autosave_timeout_(new Timeout(5000)),
  74           dialogs_(new Dialogs(*this)),
  75           controlcommand_(new ControlCommandBuffer(*this)), id_(id)
  76 {
  77         // Start autosave timer
  78         if (lyxrc.autosave) {
  79                 autosave_timeout_->timeout.connect(boost::bind(&LyXView::autoSave, this));
  80                 autosave_timeout_->setTimeout(lyxrc.autosave * 1000);
  81                 autosave_timeout_->start();
  82         }
  83 }
  84
  85
  86 LyXView::~LyXView()
  87 {
  88 }
  89
  90
  91 // FIXME, there's only one WorkArea per LyXView possible for now.
  92 void LyXView::setWorkArea(WorkArea * work_area)
  93 {
  94         work_area_ = work_area;
  95         work_area_ids_.clear();
  96         work_area_ids_.push_back(work_area_->id());
  97 }
  98
  99
 100 Buffer * LyXView::buffer() const
 101 {
 102         return work_area_->bufferView().buffer();
 103 }
 104
 105
 106 void LyXView::setBuffer(Buffer * b)
 107 {
 108         busy(true);
 109
 110         if (work_area_->bufferView().buffer())
 111                 disconnectBuffer();
 112
 113         if (!b)
 114                 getDialogs().hideBufferDependent();
 115
 116         work_area_->bufferView().setBuffer(b);
 117
 118         if (work_area_->bufferView().buffer()) {
 119                 // Buffer-dependent dialogs should be updated or
 120                 // hidden. This should go here because some dialogs (eg ToC)
 121                 // require bv_->text.
 122                 getDialogs().updateBufferDependent(true);
 123                 connectBuffer(*work_area_->bufferView().buffer());
 124         }
 125
 126         if (quitting)
 127                 return;
 128
 129         updateMenubar();
 130         updateToolbars();
 131         updateLayoutChoice();
 132         updateWindowTitle();
 133         updateStatusBar();
 134         busy(false);
 135         work_area_->redraw();
 136 }
 137
 138
 139 bool LyXView::loadLyXFile(string const & filename, bool tolastfiles)
 140 {
 141         busy(true);
 142
 143         if (work_area_->bufferView().buffer())
 144                 disconnectBuffer();
 145
 146         bool loaded = work_area_->bufferView().loadLyXFile(filename, tolastfiles);
 147
 148         updateMenubar();
 149         updateToolbars();
 150         updateLayoutChoice();
 151         updateWindowTitle();
 152         if (loaded) {
 153                 connectBuffer(*work_area_->bufferView().buffer());
 154                 showErrorList("Parse");
 155         }
 156         updateStatusBar();
 157         busy(false);
 158         work_area_->redraw();
 159         return loaded;
 160 }
 161
 162
 163 void LyXView::connectBuffer(Buffer & buf)
 164 {
 165         if (errorsConnection_.connected())
 166                 disconnectBuffer();
 167
 168         bufferChangedConnection_ =
 169                 buf.changed.connect(
 170                         boost::bind(&WorkArea::redraw, work_area_));
 171
 172         errorsConnection_ =
 173                 buf.errors.connect(
 174                         boost::bind(&LyXView::showErrorList, this, _1));
 175
 176         messageConnection_ =
 177                 buf.message.connect(
 178                         boost::bind(&LyXView::message, this, _1));
 179
 180         busyConnection_ =
 181                 buf.busy.connect(
 182                         boost::bind(&LyXView::busy, this, _1));
 183
 184         titleConnection_ =
 185                 buf.updateTitles.connect(
 186                         boost::bind(&LyXView::updateWindowTitle, this));
 187
 188         timerConnection_ =
 189                 buf.resetAutosaveTimers.connect(
 190                         boost::bind(&LyXView::resetAutosaveTimer, this));
 191
 192         readonlyConnection_ =
 193                 buf.readonly.connect(
 194                         boost::bind(&LyXView::showReadonly, this, _1));
 195
 196         closingConnection_ =
 197                 buf.closing.connect(
 198                         boost::bind(&LyXView::setBuffer, this, (Buffer *)0));
 199 }
 200
 201
 202 void LyXView::disconnectBuffer()
 203 {
 204         errorsConnection_.disconnect();
 205         bufferChangedConnection_.disconnect();
 206         messageConnection_.disconnect();
 207         busyConnection_.disconnect();
 208         titleConnection_.disconnect();
 209         timerConnection_.disconnect();
 210         readonlyConnection_.disconnect();
 211         closingConnection_.disconnect();
 212         layout_changed_connection_.disconnect();
 213 }
 214
 215
 216 void LyXView::connectBufferView(BufferView & bv)
 217 {
 218         show_dialog_connection_ = bv.showDialog.connect(
 219                         boost::bind(&LyXView::showDialog, this, _1));
 220         show_dialog_with_data_connection_ = bv.showDialogWithData.connect(
 221                         boost::bind(&LyXView::showDialogWithData, this, _1, _2));
 222         show_inset_dialog_connection_ = bv.showInsetDialog.connect(
 223                         boost::bind(&LyXView::showInsetDialog, this, _1, _2, _3));
 224         update_dialog_connection_ = bv.updateDialog.connect(
 225                         boost::bind(&LyXView::updateDialog, this, _1, _2));
 226         layout_changed_connection_ = bv.layoutChanged.connect(
 227                         boost::bind(&Toolbars::setLayout, toolbars_.get(), _1));
 228 }
 229
 230
 231 void LyXView::disconnectBufferView()
 232 {
 233         show_dialog_connection_.disconnect();
 234         show_dialog_with_data_connection_.disconnect();
 235         show_inset_dialog_connection_.disconnect();
 236         update_dialog_connection_.disconnect();
 237 }
 238
 239
 240 void LyXView::showErrorList(string const & error_type)
 241 {
 242         ErrorList & el = buffer()->errorList(error_type);
 243         if (!el.empty()) {
 244                 getDialogs().show("errorlist", error_type);
 245         }
 246 }
 247
 248
 249 void LyXView::showDialog(string const & name)
 250 {
 251         getDialogs().show(name);
 252 }
 253
 254
 255 void LyXView::showDialogWithData(string const & name, string const & data)
 256 {
 257         getDialogs().show(name, data);
 258 }
 259
 260
 261 void LyXView::showInsetDialog(string const & name, string const & data,
 262                 InsetBase * inset)
 263 {
 264         getDialogs().show(name, data, inset);
 265 }
 266
 267
 268 void LyXView::updateDialog(string const & name, string const & data)
 269 {
 270         if (getDialogs().visible(name))
 271                 getDialogs().update(name, data);
 272 }
 273
 274
 275 void LyXView::showReadonly(bool)
 276 {
 277         updateWindowTitle();
 278         getDialogs().updateBufferDependent(false);
 279 }
 280
 281
 282 BufferView * LyXView::view() const
 283 {
 284         return &work_area_->bufferView();
 285 }
 286
 287
 288 void LyXView::updateToolbars()
 289 {
 290         bool const math =
 291                 work_area_->bufferView().cursor().inMathed();
 292         bool const table =
 293                 lyx::getStatus(FuncRequest(LFUN_LAYOUT_TABULAR)).enabled();
 294         bool const review =
 295                 lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).enabled() &&
 296                 lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).onoff(true);
 297
 298         toolbars_->update(math, table, review);
 299         // update redaonly status of open dialogs. This could also be in
 300         // updateMenubar(), but since updateToolbars() and updateMenubar()
 301         // are always called together it is only here.
 302         getDialogs().checkStatus();
 303 }
 304
 305
 306 void LyXView::updateMenubar()
 307 {
 308         menubar_->update();
 309 }
 310
 311
 312 void LyXView::autoSave()
 313 {
 314         lyxerr[Debug::INFO] << "Running autoSave()" << endl;
 315
 316         if (view()->buffer())
 317                 lyx::autoSave(view());
 318 }
 319
 320
 321 void LyXView::resetAutosaveTimer()
 322 {
 323         if (lyxrc.autosave)
 324                 autosave_timeout_->restart();
 325 }
 326
 327
 328 void LyXView::updateLayoutChoice()
 329 {
 330         // Don't show any layouts without a buffer
 331         if (!view()->buffer()) {
 332                 toolbars_->clearLayoutList();
 333                 return;
 334         }
 335
 336         // Update the layout display
 337         if (toolbars_->updateLayoutList(buffer()->params().textclass)) {
 338                 current_layout = buffer()->params().getLyXTextClass().defaultLayoutName();
 339         }
 340
 341         if (work_area_->bufferView().cursor().inMathed())
 342                 return;
 343
 344         string const & layout =
 345                 work_area_->bufferView().cursor().paragraph().layout()->name();
 346
 347         if (layout != current_layout) {
 348                 toolbars_->setLayout(layout);
 349                 current_layout = layout;
 350         }
 351 }
 352
 353
 354 void LyXView::updateWindowTitle()
 355 {
 356         static docstring last_title = lyx::from_ascii("LyX");
 357         docstring maximize_title = lyx::from_ascii("LyX");
 358         docstring minimize_title = lyx::from_ascii("LyX");
 359
 360         if (view()->buffer()) {
 361                 string const cur_title = buffer()->fileName();
 362                 if (!cur_title.empty()) {
 363                         maximize_title += ": " + makeDisplayPath(cur_title, 30);
 364                         minimize_title = lyx::from_utf8(onlyFilename(cur_title));
 365                         if (!buffer()->isClean()) {
 366                                 maximize_title += _(" (changed)");
 367                                 minimize_title += lyx::char_type('*');
 368                         }
 369                         if (buffer()->isReadonly())
 370                                 maximize_title += _(" (read only)");
 371                 }
 372         }
 373
 374         if (maximize_title != last_title) {
 375                 setWindowTitle(maximize_title, minimize_title);
 376                 last_title = maximize_title;
 377         }
 378 }
 379
 380
 381 void LyXView::dispatch(FuncRequest const & cmd)
 382 {
 383         if (cmd.action == LFUN_WINDOW_CLOSE) {
 384                 close();
 385                 closed(id_);
 386                 return;
 387         }
 388
 389         theLyXFunc().setLyXView(this);
 390         lyx::dispatch(cmd);
 391 }
 392
 393
 394 Buffer const * const LyXView::updateInset(InsetBase const * inset) const
 395 {
 396         Buffer const * buffer_ptr = 0;
 397         if (inset) {
 398                 buffer_ptr = work_area_->bufferView().buffer();
 399                 // No FitCursor:
 400                 work_area_->bufferView().update(Update::Force);
 401         }
 402         return buffer_ptr;
 403 }
 404
 405
 406 } // namespace lyx