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         : id_(id), work_area_(0),
  72           toolbars_(new Toolbars(*this)),
  73           autosave_timeout_(new Timeout(5000)),
  74           dialogs_(new Dialogs(*this)),
  75           controlcommand_(new ControlCommandBuffer(*this))
  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         if (work_area_->bufferView().buffer())
 109                 disconnectBuffer();
 110
 111         if (!b)
 112                 getDialogs().hideBufferDependent();
 113
 114         work_area_->bufferView().setBuffer(b);
 115
 116         if (work_area_->bufferView().buffer()) {
 117                 // Buffer-dependent dialogs should be updated or
 118                 // hidden. This should go here because some dialogs (eg ToC)
 119                 // require bv_->text.
 120                 getDialogs().updateBufferDependent(true);
 121                 connectBuffer(*work_area_->bufferView().buffer());
 122         }
 123
 124         updateMenubar();
 125         updateToolbars();
 126         updateLayoutChoice();
 127         updateWindowTitle();
 128         updateStatusBar();
 129         work_area_->redraw();
 130 }
 131
 132
 133 bool LyXView::loadLyXFile(string const & filename, bool tolastfiles)
 134 {
 135         if (work_area_->bufferView().buffer())
 136                 disconnectBuffer();
 137
 138         bool loaded = work_area_->bufferView().loadLyXFile(filename, tolastfiles);
 139
 140         updateMenubar();
 141         updateToolbars();
 142         updateLayoutChoice();
 143         updateWindowTitle();
 144         if (loaded) {
 145                 connectBuffer(*work_area_->bufferView().buffer());
 146                 showErrorList("Parse");
 147         }
 148         updateStatusBar();
 149         work_area_->redraw();
 150         return loaded;
 151 }
 152
 153
 154 void LyXView::connectBuffer(Buffer & buf)
 155 {
 156         if (errorsConnection_.connected())
 157                 disconnectBuffer();
 158
 159         bufferChangedConnection_ =
 160                 buf.changed.connect(
 161                         boost::bind(&WorkArea::redraw, work_area_));
 162
 163         errorsConnection_ =
 164                 buf.errors.connect(
 165                         boost::bind(&LyXView::showErrorList, this, _1));
 166
 167         messageConnection_ =
 168                 buf.message.connect(
 169                         boost::bind(&LyXView::message, this, _1));
 170
 171         busyConnection_ =
 172                 buf.busy.connect(
 173                         boost::bind(&LyXView::busy, this, _1));
 174
 175         titleConnection_ =
 176                 buf.updateTitles.connect(
 177                         boost::bind(&LyXView::updateWindowTitle, this));
 178
 179         timerConnection_ =
 180                 buf.resetAutosaveTimers.connect(
 181                         boost::bind(&LyXView::resetAutosaveTimer, this));
 182
 183         readonlyConnection_ =
 184                 buf.readonly.connect(
 185                         boost::bind(&LyXView::showReadonly, this, _1));
 186
 187         closingConnection_ =
 188                 buf.closing.connect(
 189                         boost::bind(&LyXView::setBuffer, this, (Buffer *)0));
 190 }
 191
 192
 193 void LyXView::disconnectBuffer()
 194 {
 195         errorsConnection_.disconnect();
 196         bufferChangedConnection_.disconnect();
 197         messageConnection_.disconnect();
 198         busyConnection_.disconnect();
 199         titleConnection_.disconnect();
 200         timerConnection_.disconnect();
 201         readonlyConnection_.disconnect();
 202         closingConnection_.disconnect();
 203         layout_changed_connection_.disconnect();
 204 }
 205
 206
 207 void LyXView::connectBufferView(BufferView & bv)
 208 {
 209         show_dialog_connection_ = bv.showDialog.connect(
 210                         boost::bind(&LyXView::showDialog, this, _1));
 211         show_dialog_with_data_connection_ = bv.showDialogWithData.connect(
 212                         boost::bind(&LyXView::showDialogWithData, this, _1, _2));
 213         show_inset_dialog_connection_ = bv.showInsetDialog.connect(
 214                         boost::bind(&LyXView::showInsetDialog, this, _1, _2, _3));
 215         update_dialog_connection_ = bv.updateDialog.connect(
 216                         boost::bind(&LyXView::updateDialog, this, _1, _2));
 217         layout_changed_connection_ = bv.layoutChanged.connect(
 218                         boost::bind(&Toolbars::setLayout, toolbars_.get(), _1));
 219 }
 220
 221
 222 void LyXView::disconnectBufferView()
 223 {
 224         show_dialog_connection_.disconnect();
 225         show_dialog_with_data_connection_.disconnect();
 226         show_inset_dialog_connection_.disconnect();
 227         update_dialog_connection_.disconnect();
 228 }
 229
 230
 231 void LyXView::showErrorList(string const & error_type)
 232 {
 233         ErrorList & el = buffer()->errorList(error_type);
 234         if (!el.empty()) {
 235                 getDialogs().show("errorlist", error_type);
 236         }
 237 }
 238
 239
 240 void LyXView::showDialog(string const & name)
 241 {
 242         getDialogs().show(name);
 243 }
 244
 245
 246 void LyXView::showDialogWithData(string const & name, string const & data)
 247 {
 248         getDialogs().show(name, data);
 249 }
 250
 251
 252 void LyXView::showInsetDialog(string const & name, string const & data,
 253                 InsetBase * inset)
 254 {
 255         getDialogs().show(name, data, inset);
 256 }
 257
 258
 259 void LyXView::updateDialog(string const & name, string const & data)
 260 {
 261         if (getDialogs().visible(name))
 262                 getDialogs().update(name, data);
 263 }
 264
 265
 266 void LyXView::showReadonly(bool)
 267 {
 268         updateWindowTitle();
 269         getDialogs().updateBufferDependent(false);
 270 }
 271
 272
 273 BufferView * LyXView::view() const
 274 {
 275         return &work_area_->bufferView();
 276 }
 277
 278
 279 void LyXView::updateToolbars()
 280 {
 281         bool const math = work_area_->bufferView().cursor().inMathed();
 282         bool const table =
 283                 lyx::getStatus(FuncRequest(LFUN_LAYOUT_TABULAR)).enabled();
 284         toolbars_->update(math, table);
 285         // update redaonly status of open dialogs. This could also be in
 286         // updateMenubar(), but since updateToolbars() and updateMenubar()
 287         // are always called together it is only here.
 288         getDialogs().checkStatus();
 289 }
 290
 291
 292 void LyXView::updateMenubar()
 293 {
 294         menubar_->update();
 295 }
 296
 297
 298 void LyXView::autoSave()
 299 {
 300         lyxerr[Debug::INFO] << "Running autoSave()" << endl;
 301
 302         if (view()->buffer())
 303                 lyx::autoSave(view());
 304 }
 305
 306
 307 void LyXView::resetAutosaveTimer()
 308 {
 309         if (lyxrc.autosave)
 310                 autosave_timeout_->restart();
 311 }
 312
 313
 314 void LyXView::updateLayoutChoice()
 315 {
 316         // Don't show any layouts without a buffer
 317         if (!view()->buffer()) {
 318                 toolbars_->clearLayoutList();
 319                 return;
 320         }
 321
 322         // Update the layout display
 323         if (toolbars_->updateLayoutList(buffer()->params().textclass)) {
 324                 current_layout = buffer()->params().getLyXTextClass().defaultLayoutName();
 325         }
 326
 327         if (work_area_->bufferView().cursor().inMathed())
 328                 return;
 329
 330         string const & layout =
 331                 work_area_->bufferView().cursor().paragraph().layout()->name();
 332
 333         if (layout != current_layout) {
 334                 toolbars_->setLayout(layout);
 335                 current_layout = layout;
 336         }
 337 }
 338
 339
 340 void LyXView::updateWindowTitle()
 341 {
 342         static docstring last_title = lyx::from_ascii("LyX");
 343         docstring maximize_title = lyx::from_ascii("LyX");
 344         docstring minimize_title = lyx::from_ascii("LyX");
 345
 346         if (view()->buffer()) {
 347                 string const cur_title = buffer()->fileName();
 348                 if (!cur_title.empty()) {
 349                         maximize_title += ": " + makeDisplayPath(cur_title, 30);
 350                         minimize_title = lyx::from_utf8(onlyFilename(cur_title));
 351                         if (!buffer()->isClean()) {
 352                                 maximize_title += _(" (changed)");
 353                                 minimize_title += lyx::char_type('*');
 354                         }
 355                         if (buffer()->isReadonly())
 356                                 maximize_title += _(" (read only)");
 357                 }
 358         }
 359
 360         if (maximize_title != last_title) {
 361                 setWindowTitle(maximize_title, minimize_title);
 362                 last_title = maximize_title;
 363         }
 364 }
 365
 366
 367 void LyXView::dispatch(FuncRequest const & cmd)
 368 {
 369         if (cmd.action == LFUN_WINDOW_CLOSE) {
 370                 close();
 371                 closed(id_);
 372                 return;
 373         }
 374
 375         theLyXFunc().setLyXView(this);
 376         lyx::dispatch(cmd);
 377 }
 378
 379
 380 Buffer const * const LyXView::updateInset(InsetBase const * inset) const
 381 {
 382         Buffer const * buffer_ptr = 0;
 383         if (inset) {
 384                 buffer_ptr = work_area_->bufferView().buffer();
 385                 // No FitCursor:
 386                 work_area_->bufferView().update(Update::Force);
 387         }
 388         return buffer_ptr;
 389 }
 390
 391
 392 } // namespace lyx