src/frontends/qt4/GuiView.C

   1 /**
   2  * \file GuiView.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  * \author Abdelrazak Younes
   9  *
  10  * Full author contact details are available in file CREDITS.
  11  */
  12
  13 #include <config.h>
  14
  15 #include "GuiView.h"
  16
  17 #include "GuiImplementation.h"
  18 #include "GuiWorkArea.h"
  19 #include "QLMenubar.h"
  20 #include "QLToolbar.h"
  21 #include "QCommandBuffer.h"
  22 #include "qt_helpers.h"
  23
  24 #include "frontends/Application.h"
  25 #include "frontends/Gui.h"
  26 #include "frontends/WorkArea.h"
  27
  28 #include "support/filetools.h"
  29 #include "support/convert.h"
  30 #include "support/lstrings.h"
  31
  32 #include "BufferView.h"
  33 #include "bufferlist.h"
  34 #include "debug.h"
  35 #include "funcrequest.h"
  36 #include "lyx_cb.h"
  37 #include "lyxrc.h"
  38 #include "lyx_main.h"
  39 #include "session.h"
  40 #include "lyxfunc.h"
  41 #include "MenuBackend.h"
  42 #include "buffer.h"
  43 #include "bufferlist.h"
  44
  45 #include <QAction>
  46 #include <QApplication>
  47 #include <QCloseEvent>
  48 #include <QPixmap>
  49 #include <QStatusBar>
  50 #include <QToolBar>
  51 #include <QTabBar>
  52 #include <QDesktopWidget>
  53
  54 #include <boost/bind.hpp>
  55
  56 using std::endl;
  57 using std::string;
  58 using std::vector;
  59
  60 using lyx::support::onlyFilename;
  61
  62 namespace lyx {
  63
  64 using support::subst;
  65 using support::libFileSearch;
  66
  67 namespace frontend {
  68
  69 namespace {
  70
  71 int const statusbar_timer_value = 3000;
  72
  73 } // namespace anon
  74
  75
  76 class WidgetWithTabBar : public QWidget
  77 {
  78 public:
  79         QTabBar* tabbar;
  80         WidgetWithTabBar(QWidget* w)
  81         {
  82                 tabbar = new QTabBar;
  83                 QVBoxLayout* l = new QVBoxLayout;
  84                 l->addWidget(tabbar);
  85                 l->addWidget(w);
  86                 l->setMargin(0);
  87                 setLayout(l);
  88         }
  89 };
  90
  91 struct GuiView::GuiViewPrivate
  92 {
  93         typedef std::map<int, FuncRequest> FuncMap;
  94         typedef std::pair<int, FuncRequest> FuncMapPair;
  95         typedef std::map<string, QString> NameMap;
  96         typedef std::pair<string, QString> NameMapPair;
  97
  98         FuncMap funcmap;
  99         NameMap namemap;
 100         WidgetWithTabBar* wt;
 101
 102         GuiViewPrivate()
 103         {}
 104 };
 105
 106 GuiView::GuiView(int id)
 107         : QMainWindow(), LyXView(id), commandbuffer_(0), d(*new GuiViewPrivate)
 108 {
 109         setAttribute(Qt::WA_DeleteOnClose, true);
 110         setAttribute(Qt::WA_QuitOnClose, true);
 111
 112 //      setToolButtonStyle(Qt::ToolButtonIconOnly);
 113 //      setIconSize(QSize(12,12));
 114
 115 //      bufferview_.reset(new BufferView(this, width, height));
 116
 117 #ifndef Q_WS_MACX
 118         //  assign an icon to main form. We do not do it under Qt/Mac,
 119         //  since the icon is provided in the application bundle.
 120         string const iconname = libFileSearch("images", "lyx", "xpm");
 121         if (!iconname.empty())
 122                 setWindowIcon(QPixmap(toqstr(iconname)));
 123 #endif
 124 }
 125
 126
 127 GuiView::~GuiView()
 128 {
 129         delete &d;
 130 }
 131
 132
 133 void GuiView::close()
 134 {
 135         QMainWindow::close();
 136 }
 137
 138
 139 void GuiView::init()
 140 {
 141         menubar_.reset(new QLMenubar(this, menubackend));
 142         QObject::connect(menuBar(), SIGNAL(triggered(QAction *)),
 143                 this, SLOT(updateMenu(QAction *)));
 144
 145         getToolbars().init();
 146
 147         statusBar()->setSizeGripEnabled(false);
 148
 149         QObject::connect(&statusbar_timer_, SIGNAL(timeout()),
 150                 this, SLOT(update_view_state_qt()));
 151
 152         // make sure the buttons are disabled if needed
 153         updateToolbars();
 154         updateLayoutChoice();
 155         updateMenubar();
 156 }
 157
 158
 159 void GuiView::saveGeometry()
 160 {
 161         // FIXME:
 162         // change the ifdef to 'geometry = normalGeometry();' only
 163         // when Trolltech has fixed the broken normalGeometry on X11:
 164         // http://www.trolltech.com/developer/task-tracker/index_html?id=119684+&method=entry
 165         // Then also the moveEvent, resizeEvent, and the
 166         // code for floatingGeometry_ can be removed;
 167         // adjust GuiView::setGeometry()
 168 #ifdef Q_OS_WIN32
 169         QRect geometry = normalGeometry();
 170 #else
 171         updateFloatingGeometry();
 172         QRect geometry = floatingGeometry_;
 173 #endif
 174
 175         // save windows size and position
 176         Session & session = LyX::ref().session();
 177         session.sessionInfo().save("WindowWidth", convert<string>(geometry.width()));
 178         session.sessionInfo().save("WindowHeight", convert<string>(geometry.height()));
 179         session.sessionInfo().save("WindowIsMaximized", (isMaximized() ? "yes" : "no"));
 180         if (lyxrc.geometry_xysaved) {
 181                 session.sessionInfo().save("WindowPosX", convert<string>(geometry.x()));
 182                 session.sessionInfo().save("WindowPosY", convert<string>(geometry.y()));
 183         }
 184 }
 185
 186 void GuiView::setGeometry(unsigned int width,
 187                                                                   unsigned int height,
 188                                                                   int posx, int posy,
 189                                                                   bool maximize)
 190 {
 191         // only true when the -geometry option was NOT used
 192         if (width != 0 && height != 0) {
 193                 if (posx != -1 && posy != -1) {
 194                         // if there are ever startup positioning problems
 195                         // on a virtual desktop then check the 6 lines below
 196                         // http://doc.trolltech.com/4.2/qdesktopwidget.html
 197                         QDesktopWidget& dw = *qApp->desktop();
 198                         QRect desk = dw.availableGeometry(dw.primaryScreen());
 199                         (posx >= desk.width() ? posx = 50 : true);
 200                         (posy >= desk.height()? posy = 50 : true);
 201 #ifdef Q_WS_WIN
 202                         // FIXME: use only setGeoemtry when Trolltech has
 203                         // fixed the qt4/X11 bug
 204                         QMainWindow::setGeometry(posx, posy,width, height);
 205 #else
 206                         resize(width, height);
 207                         move(posx, posy);
 208 #endif
 209                 } else {
 210                         resize(width, height);
 211                 }
 212
 213                 if (maximize)
 214                         setWindowState(Qt::WindowMaximized);
 215         }
 216
 217         show();
 218 }
 219
 220
 221 void GuiView::updateMenu(QAction * /*action*/)
 222 {
 223         menubar_->update();
 224 }
 225
 226
 227 void GuiView::setWindowTitle(docstring const & t, docstring const & it)
 228 {
 229         QMainWindow::setWindowTitle(toqstr(t));
 230         QMainWindow::setWindowIconText(toqstr(it));
 231 }
 232
 233
 234 void GuiView::addCommandBuffer(QToolBar * toolbar)
 235 {
 236         commandbuffer_ = new QCommandBuffer(this, *controlcommand_);
 237         focus_command_buffer.connect(boost::bind(&GuiView::focus_command_widget, this));
 238         toolbar->addWidget(commandbuffer_);
 239 }
 240
 241
 242 void GuiView::message(docstring const & str)
 243 {
 244         statusBar()->showMessage(toqstr(str));
 245         statusbar_timer_.stop();
 246         statusbar_timer_.start(statusbar_timer_value);
 247 }
 248
 249
 250 void GuiView::clearMessage()
 251 {
 252         update_view_state_qt();
 253 }
 254
 255
 256 void GuiView::focus_command_widget()
 257 {
 258         if (commandbuffer_)
 259                 commandbuffer_->focus_command();
 260 }
 261
 262
 263 void GuiView::update_view_state_qt()
 264 {
 265         statusBar()->showMessage(toqstr(theLyXFunc().viewStatusMessage()));
 266         statusbar_timer_.stop();
 267 }
 268
 269 void GuiView::initTab(QWidget* workarea)
 270 {
 271         d.wt = new WidgetWithTabBar(workarea);
 272         setCentralWidget(d.wt);
 273         QObject::connect(d.wt->tabbar, SIGNAL(currentChanged(int)),
 274                         this, SLOT(currentTabChanged(int)));
 275 }
 276
 277 void GuiView::updateTab()
 278 {
 279         QTabBar& tb = *d.wt->tabbar;
 280
 281         // update when all  is done
 282         tb.blockSignals(true);
 283
 284         typedef std::vector<string> Strings;
 285         Strings const names = theBufferList().getFileNames();
 286         size_t n_size = names.size();
 287
 288         Strings addtab;
 289         // show tabs only when there is more
 290         // than one file opened
 291         if (n_size > 1)
 292         {
 293                 for (size_t i = 0; i != n_size; i++)
 294                         if (d.namemap.find(names[i]) == d.namemap.end())
 295                                 addtab.push_back(names.at(i));
 296         }
 297
 298         for(size_t i = 0; i<addtab.size(); i++)
 299         {
 300                 QString tab_name = lyx::toqstr(onlyFilename(addtab.at(i)));
 301                 d.namemap.insert(GuiViewPrivate::NameMapPair(addtab.at(i), tab_name));
 302                 tb.addTab(tab_name);
 303         }
 304
 305         // check if all names showed by the tabs
 306         // are also in the current bufferlist
 307         Strings removetab;
 308         bool notall = true;
 309         if (n_size < 2)
 310                 notall = false;
 311         std::map<string, QString>::iterator tabit = d.namemap.begin();
 312         for (;tabit != d.namemap.end(); ++tabit)
 313         {
 314                 bool found = false;
 315                 for (size_t i = 0; i != n_size; i++)
 316                         if (tabit->first == names.at(i) && notall)
 317                                 found = true;
 318                 if (!found)
 319                         removetab.push_back(tabit->first);
 320         }
 321
 322
 323         // remove tabs
 324         for(size_t i = 0; i<removetab.size(); i++)
 325         {
 326                 if (d.namemap.find(removetab.at(i)) != d.namemap.end())
 327                 {
 328                         tabit = d.namemap.find(removetab.at(i));
 329                         for (int i = 0; i < tb.count(); i++)
 330                                 if (tb.tabText(i) == tabit->second)
 331                                 {
 332                                         tb.removeTab(i);
 333                                         break;
 334                                 }
 335                         d.namemap.erase(tabit);
 336                 }
 337         }
 338
 339         // rebuild func map
 340         if (removetab.size() > 0 || addtab.size() > 0)
 341         {
 342                 d.funcmap.clear();
 343                 tabit = d.namemap.begin();
 344                 for (;tabit != d.namemap.end(); ++tabit)
 345                 {
 346                         QTabBar& tb = *d.wt->tabbar;
 347                         for (int i = 0; i < tb.count(); i++)
 348                         {
 349                                 if (tb.tabText(i) == tabit->second)
 350                                 {
 351                                         FuncRequest func(LFUN_BUFFER_SWITCH, tabit->first);
 352                                         d.funcmap.insert(GuiViewPrivate::FuncMapPair(i, func));
 353                                         break;
 354                                 }
 355                         }
 356                 }
 357         }
 358
 359         // set current tab
 360         if (view()->buffer())
 361         {
 362                 string cur_title = view()->buffer()->fileName();
 363                 if (d.namemap.find(cur_title) != d.namemap.end())
 364                 {
 365                         QString tabname = d.namemap.find(cur_title)->second;
 366                         for (int i = 0; i < tb.count(); i++)
 367                                 if (tb.tabText(i) == tabname)
 368                                 {
 369                                         tb.setCurrentIndex(i);
 370                                         break;
 371                                 }
 372                 }
 373         }
 374
 375         tb.blockSignals(false);
 376         d.wt->update();
 377 }
 378
 379 void GuiView::currentTabChanged (int index)
 380 {
 381         std::map<int, FuncRequest>::const_iterator it = d.funcmap.find(index);
 382         if (it != d.funcmap.end())
 383                 activated(it->second);
 384 }
 385
 386
 387 void GuiView::updateStatusBar()
 388 {
 389         // let the user see the explicit message
 390         if (statusbar_timer_.isActive())
 391                 return;
 392
 393         statusBar()->showMessage(toqstr(theLyXFunc().viewStatusMessage()));
 394 }
 395
 396
 397 void GuiView::activated(FuncRequest const & func)
 398 {
 399         dispatch(func);
 400 }
 401
 402
 403 bool GuiView::hasFocus() const
 404 {
 405         return qApp->activeWindow() == this;
 406 }
 407
 408
 409 void  GuiView::updateFloatingGeometry()
 410 {
 411         if (!isMaximized())
 412                 floatingGeometry_ = QRect(x(), y(), width(), height());
 413 }
 414
 415
 416 void GuiView::resizeEvent(QResizeEvent *)
 417 {
 418         updateFloatingGeometry();
 419 }
 420
 421
 422 void GuiView::moveEvent(QMoveEvent *)
 423 {
 424         updateFloatingGeometry();
 425 }
 426
 427
 428 void GuiView::closeEvent(QCloseEvent * close_event)
 429 {
 430         GuiImplementation & gui
 431                 = static_cast<GuiImplementation &>(theApp->gui());
 432
 433         vector<int> const & view_ids = gui.viewIds();
 434
 435         if (view_ids.size() == 1 && !theBufferList().quitWriteAll()) {
 436                 close_event->ignore();
 437                 return;
 438         }
 439
 440         saveGeometry();
 441         gui.unregisterView(this);
 442 }
 443
 444
 445 void GuiView::show()
 446 {
 447         QMainWindow::setWindowTitle(qt_("LyX"));
 448         QMainWindow::show();
 449         updateFloatingGeometry();
 450 }
 451
 452
 453 void GuiView::busy(bool yes)
 454 {
 455         static_cast<GuiWorkArea *>(work_area_)->setUpdatesEnabled(!yes);
 456
 457         if (yes) {
 458                 work_area_->stopBlinkingCursor();
 459                 QApplication::setOverrideCursor(Qt::WaitCursor);
 460         }
 461         else {
 462                 work_area_->startBlinkingCursor();
 463                 QApplication::restoreOverrideCursor();
 464         }
 465 }
 466
 467
 468 Toolbars::ToolbarPtr GuiView::makeToolbar(ToolbarBackend::Toolbar const & tbb)
 469 {
 470         QLToolbar * Tb = new QLToolbar(tbb, *this);
 471         static QLToolbar * lastTb = 0;
 472
 473         if (tbb.flags & ToolbarBackend::TOP) {
 474                         addToolBar(Qt::TopToolBarArea, Tb);
 475                         addToolBarBreak(Qt::TopToolBarArea);
 476         }
 477         if (tbb.flags & ToolbarBackend::BOTTOM) {
 478                 addToolBar(Qt::BottomToolBarArea, Tb);
 479                 /*
 480                 // Qt bug. Doesn't work because the
 481                 // toolbar will evtl. be hidden.
 482                 if (lastTb)
 483                         insertToolBarBreak(lastTb);
 484                 lastTb = Tb;
 485                 */
 486         }
 487         if (tbb.flags & ToolbarBackend::LEFT) {
 488                 addToolBar(Qt::LeftToolBarArea, Tb);
 489         }
 490         if (tbb.flags & ToolbarBackend::RIGHT) {
 491                 addToolBar(Qt::RightToolBarArea, Tb);
 492         }
 493
 494         return Toolbars::ToolbarPtr(Tb);
 495 }
 496
 497 } // namespace frontend
 498 } // namespace lyx
 499
 500 #include "GuiView_moc.cpp"