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         if (quitting)
 125                 return;
 126
 127         updateMenubar();
 128         updateToolbars();
 129         updateLayoutChoice();
 130         updateWindowTitle();
 131         updateStatusBar();
 132         work_area_->redraw();
 133 }
 134
 135
 136 bool LyXView::loadLyXFile(string const & filename, bool tolastfiles)
 137 {
 138         if (work_area_->bufferView().buffer())
 139                 disconnectBuffer();
 140
 141         bool loaded = work_area_->bufferView().loadLyXFile(filename, tolastfiles);
 142
 143         updateMenubar();
 144         updateToolbars();
 145         updateLayoutChoice();
 146         updateWindowTitle();
 147         if (loaded) {
 148                 connectBuffer(*work_area_->bufferView().buffer());
 149                 showErrorList("Parse");
 150         }
 151         updateStatusBar();
 152         work_area_->redraw();
 153         return loaded;
 154 }
 155
 156
 157 void LyXView::connectBuffer(Buffer & buf)
 158 {
 159         if (errorsConnection_.connected())
 160                 disconnectBuffer();
 161
 162         bufferChangedConnection_ =
 163                 buf.changed.connect(
 164                         boost::bind(&WorkArea::redraw, work_area_));
 165
 166         errorsConnection_ =
 167                 buf.errors.connect(
 168                         boost::bind(&LyXView::showErrorList, this, _1));
 169
 170         messageConnection_ =
 171                 buf.message.connect(
 172                         boost::bind(&LyXView::message, this, _1));
 173
 174         busyConnection_ =
 175                 buf.busy.connect(
 176                         boost::bind(&LyXView::busy, this, _1));
 177
 178         titleConnection_ =
 179                 buf.updateTitles.connect(
 180                         boost::bind(&LyXView::updateWindowTitle, this));
 181
 182         timerConnection_ =
 183                 buf.resetAutosaveTimers.connect(
 184                         boost::bind(&LyXView::resetAutosaveTimer, this));
 185
 186         readonlyConnection_ =
 187                 buf.readonly.connect(
 188                         boost::bind(&LyXView::showReadonly, this, _1));
 189
 190         closingConnection_ =
 191                 buf.closing.connect(
 192                         boost::bind(&LyXView::setBuffer, this, (Buffer *)0));
 193 }
 194
 195
 196 void LyXView::disconnectBuffer()
 197 {
 198         errorsConnection_.disconnect();
 199         bufferChangedConnection_.disconnect();
 200         messageConnection_.disconnect();
 201         busyConnection_.disconnect();
 202         titleConnection_.disconnect();
 203         timerConnection_.disconnect();
 204         readonlyConnection_.disconnect();
 205         closingConnection_.disconnect();
 206         layout_changed_connection_.disconnect();
 207 }
 208
 209
 210 void LyXView::connectBufferView(BufferView & bv)
 211 {
 212         show_dialog_connection_ = bv.showDialog.connect(
 213                         boost::bind(&LyXView::showDialog, this, _1));
 214         show_dialog_with_data_connection_ = bv.showDialogWithData.connect(
 215                         boost::bind(&LyXView::showDialogWithData, this, _1, _2));
 216         show_inset_dialog_connection_ = bv.showInsetDialog.connect(
 217                         boost::bind(&LyXView::showInsetDialog, this, _1, _2, _3));
 218         update_dialog_connection_ = bv.updateDialog.connect(
 219                         boost::bind(&LyXView::updateDialog, this, _1, _2));
 220         layout_changed_connection_ = bv.layoutChanged.connect(
 221                         boost::bind(&Toolbars::setLayout, toolbars_.get(), _1));
 222 }
 223
 224
 225 void LyXView::disconnectBufferView()
 226 {
 227         show_dialog_connection_.disconnect();
 228         show_dialog_with_data_connection_.disconnect();
 229         show_inset_dialog_connection_.disconnect();
 230         update_dialog_connection_.disconnect();
 231 }
 232
 233
 234 void LyXView::showErrorList(string const & error_type)
 235 {
 236         ErrorList & el = buffer()->errorList(error_type);
 237         if (!el.empty()) {
 238                 getDialogs().show("errorlist", error_type);
 239         }
 240 }
 241
 242
 243 void LyXView::showDialog(string const & name)
 244 {
 245         getDialogs().show(name);
 246 }
 247
 248
 249 void LyXView::showDialogWithData(string const & name, string const & data)
 250 {
 251         getDialogs().show(name, data);
 252 }
 253
 254
 255 void LyXView::showInsetDialog(string const & name, string const & data,
 256                 InsetBase * inset)
 257 {
 258         getDialogs().show(name, data, inset);
 259 }
 260
 261
 262 void LyXView::updateDialog(string const & name, string const & data)
 263 {
 264         if (getDialogs().visible(name))
 265                 getDialogs().update(name, data);
 266 }
 267
 268
 269 void LyXView::showReadonly(bool)
 270 {
 271         updateWindowTitle();
 272         getDialogs().updateBufferDependent(false);
 273 }
 274
 275
 276 BufferView * LyXView::view() const
 277 {
 278         return &work_area_->bufferView();
 279 }
 280
 281
 282 void LyXView::updateToolbars()
 283 {
 284         bool const math = work_area_->bufferView().cursor().inMathed();
 285         bool const table =
 286                 lyx::getStatus(FuncRequest(LFUN_LAYOUT_TABULAR)).enabled();
 287         toolbars_->update(math, table);
 288         // update redaonly status of open dialogs. This could also be in
 289         // updateMenubar(), but since updateToolbars() and updateMenubar()
 290         // are always called together it is only here.
 291         getDialogs().checkStatus();
 292 }
 293
 294
 295 void LyXView::updateMenubar()
 296 {
 297         menubar_->update();
 298 }
 299
 300
 301 void LyXView::autoSave()
 302 {
 303         lyxerr[Debug::INFO] << "Running autoSave()" << endl;
 304
 305         if (view()->buffer())
 306                 lyx::autoSave(view());
 307 }
 308
 309
 310 void LyXView::resetAutosaveTimer()
 311 {
 312         if (lyxrc.autosave)
 313                 autosave_timeout_->restart();
 314 }
 315
 316
 317 void LyXView::updateLayoutChoice()
 318 {
 319         // Don't show any layouts without a buffer
 320         if (!view()->buffer()) {
 321                 toolbars_->clearLayoutList();
 322                 return;
 323         }
 324
 325         // Update the layout display
 326         if (toolbars_->updateLayoutList(buffer()->params().textclass)) {
 327                 current_layout = buffer()->params().getLyXTextClass().defaultLayoutName();
 328         }
 329
 330         if (work_area_->bufferView().cursor().inMathed())
 331                 return;
 332
 333         string const & layout =
 334                 work_area_->bufferView().cursor().paragraph().layout()->name();
 335
 336         if (layout != current_layout) {
 337                 toolbars_->setLayout(layout);
 338                 current_layout = layout;
 339         }
 340 }
 341
 342
 343 void LyXView::updateWindowTitle()
 344 {
 345         static docstring last_title = lyx::from_ascii("LyX");
 346         docstring maximize_title = lyx::from_ascii("LyX");
 347         docstring minimize_title = lyx::from_ascii("LyX");
 348
 349         if (view()->buffer()) {
 350                 string const cur_title = buffer()->fileName();
 351                 if (!cur_title.empty()) {
 352                         maximize_title += ": " + makeDisplayPath(cur_title, 30);
 353                         minimize_title = lyx::from_utf8(onlyFilename(cur_title));
 354                         if (!buffer()->isClean()) {
 355                                 maximize_title += _(" (changed)");
 356                                 minimize_title += lyx::char_type('*');
 357                         }
 358                         if (buffer()->isReadonly())
 359                                 maximize_title += _(" (read only)");
 360                 }
 361         }
 362
 363         if (maximize_title != last_title) {
 364                 setWindowTitle(maximize_title, minimize_title);
 365                 last_title = maximize_title;
 366         }
 367 }
 368
 369
 370 void LyXView::dispatch(FuncRequest const & cmd)
 371 {
 372         if (cmd.action == LFUN_WINDOW_CLOSE) {
 373                 close();
 374                 closed(id_);
 375                 return;
 376         }
 377
 378         theLyXFunc().setLyXView(this);
 379         lyx::dispatch(cmd);
 380 }
 381
 382
 383 Buffer const * const LyXView::updateInset(InsetBase const * inset) const
 384 {
 385         Buffer const * buffer_ptr = 0;
 386         if (inset) {
 387                 buffer_ptr = work_area_->bufferView().buffer();
 388                 // No FitCursor:
 389                 work_area_->bufferView().update(Update::Force);
 390         }
 391         return buffer_ptr;
 392 }
 393
 394
 395 } // namespace lyx