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()
  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))
  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 void LyXView::setWorkArea(WorkArea * work_area)
  92 {
  93         work_area_ = work_area;
  94 }
  95
  96
  97 void LyXView::redrawWorkArea()
  98 {
  99         work_area_->redraw();
 100         updateStatusBar();
 101 }
 102
 103
 104 WorkArea * LyXView::workArea()
 105 {
 106         return work_area_;
 107 }
 108
 109
 110 Buffer * LyXView::buffer() const
 111 {
 112         return work_area_->bufferView().buffer();
 113 }
 114
 115
 116 void LyXView::setBuffer(Buffer * b)
 117 {
 118         if (work_area_->bufferView().buffer())
 119                 disconnectBuffer();
 120
 121         if (!b)
 122                 getDialogs().hideBufferDependent();
 123
 124         work_area_->bufferView().setBuffer(b);
 125
 126         if (work_area_->bufferView().buffer()) {
 127                 // Buffer-dependent dialogs should be updated or
 128                 // hidden. This should go here because some dialogs (eg ToC)
 129                 // require bv_->text.
 130                 getDialogs().updateBufferDependent(true);
 131                 connectBuffer(*work_area_->bufferView().buffer());
 132         }
 133
 134         updateMenubar();
 135         updateToolbars();
 136         updateLayoutChoice();
 137         updateWindowTitle();
 138         redrawWorkArea();
 139 }
 140
 141
 142 bool LyXView::loadLyXFile(string const & filename, bool tolastfiles)
 143 {
 144         if (work_area_->bufferView().buffer())
 145                 disconnectBuffer();
 146
 147         bool loaded = work_area_->bufferView().loadLyXFile(filename, tolastfiles);
 148
 149         updateMenubar();
 150         updateToolbars();
 151         updateLayoutChoice();
 152         updateWindowTitle();
 153         if (loaded) {
 154                 connectBuffer(*work_area_->bufferView().buffer());
 155                 showErrorList("Parse");
 156         }
 157         redrawWorkArea();
 158         return loaded;
 159 }
 160
 161
 162 void LyXView::connectBuffer(Buffer & buf)
 163 {
 164         if (errorsConnection_.connected())
 165                 disconnectBuffer();
 166
 167         errorsConnection_ =
 168                 buf.errors.connect(
 169                         boost::bind(&LyXView::showErrorList, this, _1));
 170
 171         messageConnection_ =
 172                 buf.message.connect(
 173                         boost::bind(&LyXView::message, this, _1));
 174
 175         busyConnection_ =
 176                 buf.busy.connect(
 177                         boost::bind(&LyXView::busy, this, _1));
 178
 179         titleConnection_ =
 180                 buf.updateTitles.connect(
 181                         boost::bind(&LyXView::updateWindowTitle, this));
 182
 183         timerConnection_ =
 184                 buf.resetAutosaveTimers.connect(
 185                         boost::bind(&LyXView::resetAutosaveTimer, this));
 186
 187         readonlyConnection_ =
 188                 buf.readonly.connect(
 189                         boost::bind(&LyXView::showReadonly, this, _1));
 190
 191         closingConnection_ =
 192                 buf.closing.connect(
 193                         boost::bind(&LyXView::setBuffer, this, (Buffer *)0));
 194 }
 195
 196
 197 void LyXView::disconnectBuffer()
 198 {
 199         messageConnection_.disconnect();
 200         busyConnection_.disconnect();
 201         titleConnection_.disconnect();
 202         timerConnection_.disconnect();
 203         readonlyConnection_.disconnect();
 204         closingConnection_.disconnect();
 205         layout_changed_connection_.disconnect();
 206 }
 207
 208
 209 void LyXView::connectBufferView(BufferView & bv)
 210 {
 211         show_dialog_connection_ = bv.showDialog.connect(
 212                         boost::bind(&LyXView::showDialog, this, _1));
 213         show_dialog_with_data_connection_ = bv.showDialogWithData.connect(
 214                         boost::bind(&LyXView::showDialogWithData, this, _1, _2));
 215         show_inset_dialog_connection_ = bv.showInsetDialog.connect(
 216                         boost::bind(&LyXView::showInsetDialog, this, _1, _2, _3));
 217         update_dialog_connection_ = bv.updateDialog.connect(
 218                         boost::bind(&LyXView::updateDialog, this, _1, _2));
 219         layout_changed_connection_ = bv.layoutChanged.connect(
 220                         boost::bind(&Toolbars::setLayout, toolbars_.get(), _1));
 221 }
 222
 223
 224 void LyXView::disconnectBufferView()
 225 {
 226         show_dialog_connection_.disconnect();
 227         show_dialog_with_data_connection_.disconnect();
 228         show_inset_dialog_connection_.disconnect();
 229         update_dialog_connection_.disconnect();
 230 }
 231
 232
 233 void LyXView::showErrorList(string const & error_type)
 234 {
 235         ErrorList & el = buffer()->errorList(error_type);
 236         if (!el.empty()) {
 237                 getDialogs().show("errorlist", error_type);
 238         }
 239 }
 240
 241
 242 void LyXView::showDialog(string const & name)
 243 {
 244         getDialogs().show(name);
 245 }
 246
 247
 248 void LyXView::showDialogWithData(string const & name, string const & data)
 249 {
 250         getDialogs().show(name, data);
 251 }
 252
 253
 254 void LyXView::showInsetDialog(string const & name, string const & data,
 255                 InsetBase * inset)
 256 {
 257         getDialogs().show(name, data, inset);
 258 }
 259
 260
 261 void LyXView::updateDialog(string const & name, string const & data)
 262 {
 263         if (getDialogs().visible(name))
 264                 getDialogs().update(name, data);
 265 }
 266
 267
 268 void LyXView::showReadonly(bool)
 269 {
 270         updateWindowTitle();
 271         getDialogs().updateBufferDependent(false);
 272 }
 273
 274
 275 BufferView * LyXView::view() const
 276 {
 277         return &work_area_->bufferView();
 278 }
 279
 280
 281 void LyXView::updateToolbars()
 282 {
 283         bool const math = work_area_->bufferView().cursor().inMathed();
 284         bool const table =
 285                 lyx::getStatus(FuncRequest(LFUN_LAYOUT_TABULAR)).enabled();
 286         toolbars_->update(math, table);
 287         // update redaonly status of open dialogs. This could also be in
 288         // updateMenubar(), but since updateToolbars() and updateMenubar()
 289         // are always called together it is only here.
 290         getDialogs().checkStatus();
 291 }
 292
 293
 294 void LyXView::updateMenubar()
 295 {
 296         menubar_->update();
 297 }
 298
 299
 300 void LyXView::autoSave()
 301 {
 302         lyxerr[Debug::INFO] << "Running autoSave()" << endl;
 303
 304         if (view()->buffer())
 305                 lyx::autoSave(view());
 306 }
 307
 308
 309 void LyXView::resetAutosaveTimer()
 310 {
 311         if (lyxrc.autosave)
 312                 autosave_timeout_->restart();
 313 }
 314
 315
 316 void LyXView::updateLayoutChoice()
 317 {
 318         // Don't show any layouts without a buffer
 319         if (!view()->buffer()) {
 320                 toolbars_->clearLayoutList();
 321                 return;
 322         }
 323
 324         // Update the layout display
 325         if (toolbars_->updateLayoutList(buffer()->params().textclass)) {
 326                 current_layout = buffer()->params().getLyXTextClass().defaultLayoutName();
 327         }
 328
 329         if (work_area_->bufferView().cursor().inMathed())
 330                 return;
 331
 332         string const & layout =
 333                 work_area_->bufferView().cursor().paragraph().layout()->name();
 334
 335         if (layout != current_layout) {
 336                 toolbars_->setLayout(layout);
 337                 current_layout = layout;
 338         }
 339 }
 340
 341
 342 void LyXView::updateWindowTitle()
 343 {
 344         static docstring last_title = lyx::from_ascii("LyX");
 345         docstring maximize_title = lyx::from_ascii("LyX");
 346         docstring minimize_title = lyx::from_ascii("LyX");
 347
 348         if (view()->buffer()) {
 349                 string const cur_title = buffer()->fileName();
 350                 if (!cur_title.empty()) {
 351                         maximize_title += ": " + makeDisplayPath(cur_title, 30);
 352                         minimize_title = lyx::from_utf8(onlyFilename(cur_title));
 353                         if (!buffer()->isClean()) {
 354                                 maximize_title += _(" (changed)");
 355                                 minimize_title += lyx::char_type('*');
 356                         }
 357                         if (buffer()->isReadonly())
 358                                 maximize_title += _(" (read only)");
 359                 }
 360         }
 361
 362         if (maximize_title != last_title) {
 363                 setWindowTitle(maximize_title, minimize_title);
 364                 last_title = maximize_title;
 365         }
 366 }
 367
 368
 369 void LyXView::dispatch(FuncRequest const & cmd)
 370 {
 371         theLyXFunc().setLyXView(this);
 372         lyx::dispatch(cmd);
 373 }
 374
 375
 376 Buffer const * const LyXView::updateInset(InsetBase const * inset) const
 377 {
 378         Buffer const * buffer_ptr = 0;
 379         if (inset) {
 380                 buffer_ptr = work_area_->bufferView().buffer();
 381                 // No FitCursor:
 382                 work_area_->bufferView().update(Update::Force);
 383         }
 384         return buffer_ptr;
 385 }
 386
 387
 388 } // namespace lyx