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 #include <QVBoxLayout>
  54
  55 #include <boost/bind.hpp>
  56
  57 using std::endl;
  58 using std::string;
  59 using std::vector;
  60
  61 using lyx::support::onlyFilename;
  62
  63 namespace lyx {
  64
  65 using support::subst;
  66 using support::libFileSearch;
  67
  68 namespace frontend {
  69
  70 namespace {
  71
  72 int const statusbar_timer_value = 3000;
  73
  74 } // namespace anon
  75
  76
  77 class WidgetWithTabBar : public QWidget
  78 {
  79 public:
  80         QTabBar* tabbar;
  81         WidgetWithTabBar(QWidget* w)
  82         {
  83                 tabbar = new QTabBar;
  84                 QVBoxLayout* l = new QVBoxLayout;
  85                 l->addWidget(tabbar);
  86                 l->addWidget(w);
  87                 l->setMargin(0);
  88                 setLayout(l);
  89         }
  90 };
  91
  92 struct GuiView::GuiViewPrivate
  93 {
  94         typedef std::map<int, FuncRequest> FuncMap;
  95         typedef std::pair<int, FuncRequest> FuncMapPair;
  96         typedef std::map<string, QString> NameMap;
  97         typedef std::pair<string, QString> NameMapPair;
  98
  99         FuncMap funcmap;
 100         NameMap namemap;
 101         WidgetWithTabBar* wt;
 102
 103         GuiViewPrivate()
 104         {}
 105 };
 106
 107 GuiView::GuiView(int id)
 108         : QMainWindow(), LyXView(id), commandbuffer_(0), d(*new GuiViewPrivate)
 109 {
 110         setAttribute(Qt::WA_DeleteOnClose, true);
 111         setAttribute(Qt::WA_QuitOnClose, true);
 112
 113 //      setToolButtonStyle(Qt::ToolButtonIconOnly);
 114 //      setIconSize(QSize(12,12));
 115
 116 //      bufferview_.reset(new BufferView(this, width, height));
 117
 118 #ifndef Q_WS_MACX
 119         //  assign an icon to main form. We do not do it under Qt/Mac,
 120         //  since the icon is provided in the application bundle.
 121         string const iconname = libFileSearch("images", "lyx", "xpm");
 122         if (!iconname.empty())
 123                 setWindowIcon(QPixmap(toqstr(iconname)));
 124 #endif
 125 }
 126
 127
 128 GuiView::~GuiView()
 129 {
 130         delete &d;
 131 }
 132
 133
 134 void GuiView::close()
 135 {
 136         QMainWindow::close();
 137 }
 138
 139
 140 void GuiView::init()
 141 {
 142         menubar_.reset(new QLMenubar(this, menubackend));
 143         QObject::connect(menuBar(), SIGNAL(triggered(QAction *)),
 144                 this, SLOT(updateMenu(QAction *)));
 145
 146         getToolbars().init();
 147
 148         statusBar()->setSizeGripEnabled(false);
 149
 150         QObject::connect(&statusbar_timer_, SIGNAL(timeout()),
 151                 this, SLOT(update_view_state_qt()));
 152
 153         if (!work_area_->bufferView().buffer() && !theBufferList().empty())
 154                 setBuffer(theBufferList().first());
 155
 156         // make sure the buttons are disabled if needed
 157         updateToolbars();
 158         updateLayoutChoice();
 159         updateMenubar();
 160 }
 161
 162
 163 void GuiView::saveGeometry()
 164 {
 165         // FIXME:
 166         // change the ifdef to 'geometry = normalGeometry();' only
 167         // when Trolltech has fixed the broken normalGeometry on X11:
 168         // http://www.trolltech.com/developer/task-tracker/index_html?id=119684+&method=entry
 169         // Then also the moveEvent, resizeEvent, and the
 170         // code for floatingGeometry_ can be removed;
 171         // adjust GuiView::setGeometry()
 172 #ifdef Q_OS_WIN32
 173         QRect geometry = normalGeometry();
 174 #else
 175         updateFloatingGeometry();
 176         QRect geometry = floatingGeometry_;
 177 #endif
 178
 179         // save windows size and position
 180         Session & session = LyX::ref().session();
 181         session.sessionInfo().save("WindowWidth", convert<string>(geometry.width()));
 182         session.sessionInfo().save("WindowHeight", convert<string>(geometry.height()));
 183         session.sessionInfo().save("WindowIsMaximized", (isMaximized() ? "yes" : "no"));
 184         if (lyxrc.geometry_xysaved) {
 185                 session.sessionInfo().save("WindowPosX", convert<string>(geometry.x()));
 186                 session.sessionInfo().save("WindowPosY", convert<string>(geometry.y()));
 187         }
 188         getToolbars().saveToolbarInfo();
 189 }
 190
 191 void GuiView::setGeometry(unsigned int width,
 192                                                                   unsigned int height,
 193                                                                   int posx, int posy,
 194                                                                   bool maximize)
 195 {
 196         // only true when the -geometry option was NOT used
 197         if (width != 0 && height != 0) {
 198                 if (posx != -1 && posy != -1) {
 199                         // if there are ever startup positioning problems
 200                         // on a virtual desktop then check the 6 lines below
 201                         // http://doc.trolltech.com/4.2/qdesktopwidget.html
 202                         QDesktopWidget& dw = *qApp->desktop();
 203                         QRect desk = dw.availableGeometry(dw.primaryScreen());
 204                         (posx >= desk.width() ? posx = 50 : true);
 205                         (posy >= desk.height()? posy = 50 : true);
 206 #ifdef Q_WS_WIN
 207                         // FIXME: use only setGeoemtry when Trolltech has
 208                         // fixed the qt4/X11 bug
 209                         QMainWindow::setGeometry(posx, posy,width, height);
 210 #else
 211                         resize(width, height);
 212                         move(posx, posy);
 213 #endif
 214                 } else {
 215                         resize(width, height);
 216                 }
 217
 218                 if (maximize)
 219                         setWindowState(Qt::WindowMaximized);
 220         }
 221
 222         show();
 223 }
 224
 225
 226 void GuiView::updateMenu(QAction * /*action*/)
 227 {
 228         menubar_->update();
 229 }
 230
 231
 232 void GuiView::setWindowTitle(docstring const & t, docstring const & it)
 233 {
 234         QMainWindow::setWindowTitle(toqstr(t));
 235         QMainWindow::setWindowIconText(toqstr(it));
 236 }
 237
 238
 239 void GuiView::addCommandBuffer(QToolBar * toolbar)
 240 {
 241         commandbuffer_ = new QCommandBuffer(this, *controlcommand_);
 242         focus_command_buffer.connect(boost::bind(&GuiView::focus_command_widget, this));
 243         toolbar->addWidget(commandbuffer_);
 244 }
 245
 246
 247 void GuiView::message(docstring const & str)
 248 {
 249         statusBar()->showMessage(toqstr(str));
 250         statusbar_timer_.stop();
 251         statusbar_timer_.start(statusbar_timer_value);
 252 }
 253
 254
 255 void GuiView::clearMessage()
 256 {
 257         update_view_state_qt();
 258 }
 259
 260
 261 void GuiView::focus_command_widget()
 262 {
 263         if (commandbuffer_)
 264                 commandbuffer_->focus_command();
 265 }
 266
 267
 268 void GuiView::update_view_state_qt()
 269 {
 270         statusBar()->showMessage(toqstr(theLyXFunc().viewStatusMessage()));
 271         statusbar_timer_.stop();
 272 }
 273
 274 void GuiView::initTab(QWidget* workarea)
 275 {
 276         d.wt = new WidgetWithTabBar(workarea);
 277         setCentralWidget(d.wt);
 278         QObject::connect(d.wt->tabbar, SIGNAL(currentChanged(int)),
 279                         this, SLOT(currentTabChanged(int)));
 280 }
 281
 282 void GuiView::updateTab()
 283 {
 284         QTabBar& tb = *d.wt->tabbar;
 285
 286         // update when all  is done
 287         tb.blockSignals(true);
 288
 289         typedef std::vector<string> Strings;
 290         Strings const names = theBufferList().getFileNames();
 291         size_t n_size = names.size();
 292
 293         Strings addtab;
 294         // show tabs only when there is more
 295         // than one file opened
 296         if (n_size > 1)
 297         {
 298                 for (size_t i = 0; i != n_size; i++)
 299                         if (d.namemap.find(names[i]) == d.namemap.end())
 300                                 addtab.push_back(names.at(i));
 301         }
 302
 303         for(size_t i = 0; i<addtab.size(); i++)
 304         {
 305                 QString tab_name = lyx::toqstr(onlyFilename(addtab.at(i)));
 306                 d.namemap.insert(GuiViewPrivate::NameMapPair(addtab.at(i), tab_name));
 307                 tb.addTab(tab_name);
 308         }
 309
 310         // check if all names showed by the tabs
 311         // are also in the current bufferlist
 312         Strings removetab;
 313         bool notall = true;
 314         if (n_size < 2)
 315                 notall = false;
 316         std::map<string, QString>::iterator tabit = d.namemap.begin();
 317         for (;tabit != d.namemap.end(); ++tabit)
 318         {
 319                 bool found = false;
 320                 for (size_t i = 0; i != n_size; i++)
 321                         if (tabit->first == names.at(i) && notall)
 322                                 found = true;
 323                 if (!found)
 324                         removetab.push_back(tabit->first);
 325         }
 326
 327
 328         // remove tabs
 329         for(size_t i = 0; i<removetab.size(); i++)
 330         {
 331                 if (d.namemap.find(removetab.at(i)) != d.namemap.end())
 332                 {
 333                         tabit = d.namemap.find(removetab.at(i));
 334                         for (int i = 0; i < tb.count(); i++)
 335                                 if (tb.tabText(i) == tabit->second)
 336                                 {
 337                                         tb.removeTab(i);
 338                                         break;
 339                                 }
 340                         d.namemap.erase(tabit);
 341                 }
 342         }
 343
 344         // rebuild func map
 345         if (removetab.size() > 0 || addtab.size() > 0)
 346         {
 347                 d.funcmap.clear();
 348                 tabit = d.namemap.begin();
 349                 for (;tabit != d.namemap.end(); ++tabit)
 350                 {
 351                         QTabBar& tb = *d.wt->tabbar;
 352                         for (int i = 0; i < tb.count(); i++)
 353                         {
 354                                 if (tb.tabText(i) == tabit->second)
 355                                 {
 356                                         FuncRequest func(LFUN_BUFFER_SWITCH, tabit->first);
 357                                         d.funcmap.insert(GuiViewPrivate::FuncMapPair(i, func));
 358                                         break;
 359                                 }
 360                         }
 361                 }
 362         }
 363
 364         // set current tab
 365         if (view()->buffer())
 366         {
 367                 string cur_title = view()->buffer()->fileName();
 368                 if (d.namemap.find(cur_title) != d.namemap.end())
 369                 {
 370                         QString tabname = d.namemap.find(cur_title)->second;
 371                         for (int i = 0; i < tb.count(); i++)
 372                                 if (tb.tabText(i) == tabname)
 373                                 {
 374                                         tb.setCurrentIndex(i);
 375                                         break;
 376                                 }
 377                 }
 378         }
 379
 380         tb.blockSignals(false);
 381         d.wt->update();
 382 }
 383
 384 void GuiView::currentTabChanged (int index)
 385 {
 386         std::map<int, FuncRequest>::const_iterator it = d.funcmap.find(index);
 387         if (it != d.funcmap.end())
 388                 activated(it->second);
 389 }
 390
 391
 392 void GuiView::updateStatusBar()
 393 {
 394         // let the user see the explicit message
 395         if (statusbar_timer_.isActive())
 396                 return;
 397
 398         statusBar()->showMessage(toqstr(theLyXFunc().viewStatusMessage()));
 399 }
 400
 401
 402 void GuiView::activated(FuncRequest const & func)
 403 {
 404         dispatch(func);
 405 }
 406
 407
 408 bool GuiView::hasFocus() const
 409 {
 410         return qApp->activeWindow() == this;
 411 }
 412
 413
 414 void  GuiView::updateFloatingGeometry()
 415 {
 416         if (!isMaximized())
 417                 floatingGeometry_ = QRect(x(), y(), width(), height());
 418 }
 419
 420
 421 void GuiView::resizeEvent(QResizeEvent *)
 422 {
 423         updateFloatingGeometry();
 424 }
 425
 426
 427 void GuiView::moveEvent(QMoveEvent *)
 428 {
 429         updateFloatingGeometry();
 430 }
 431
 432
 433 void GuiView::closeEvent(QCloseEvent * close_event)
 434 {
 435         GuiImplementation & gui
 436                 = static_cast<GuiImplementation &>(theApp->gui());
 437
 438         vector<int> const & view_ids = gui.viewIds();
 439
 440         if (view_ids.size() == 1 && !theBufferList().quitWriteAll()) {
 441                 close_event->ignore();
 442                 return;
 443         }
 444
 445         saveGeometry();
 446         gui.unregisterView(this);
 447 }
 448
 449
 450 void GuiView::show()
 451 {
 452         QMainWindow::setWindowTitle(qt_("LyX"));
 453         QMainWindow::show();
 454         updateFloatingGeometry();
 455 }
 456
 457
 458 void GuiView::busy(bool yes)
 459 {
 460         static_cast<GuiWorkArea *>(work_area_)->setUpdatesEnabled(!yes);
 461
 462         if (yes) {
 463                 work_area_->stopBlinkingCursor();
 464                 QApplication::setOverrideCursor(Qt::WaitCursor);
 465         }
 466         else {
 467                 work_area_->startBlinkingCursor();
 468                 QApplication::restoreOverrideCursor();
 469         }
 470 }
 471
 472
 473 Toolbars::ToolbarPtr GuiView::makeToolbar(ToolbarBackend::Toolbar const & tbb)
 474 {
 475         QLToolbar * Tb = new QLToolbar(tbb, *this);
 476         //static QLToolbar * lastTb = 0;
 477
 478         if (tbb.flags & ToolbarBackend::TOP) {
 479                         addToolBar(Qt::TopToolBarArea, Tb);
 480                         addToolBarBreak(Qt::TopToolBarArea);
 481         }
 482         if (tbb.flags & ToolbarBackend::BOTTOM) {
 483                 addToolBar(Qt::BottomToolBarArea, Tb);
 484                 /*
 485                 // Qt bug:
 486                 // http://www.trolltech.com/developer/task-tracker/index_html?id=137015&method=entry
 487                 // Doesn't work because the toolbar will evtl. be hidden.
 488                 if (lastTb)
 489                         insertToolBarBreak(lastTb);
 490                 lastTb = Tb;
 491                 */
 492         }
 493         if (tbb.flags & ToolbarBackend::LEFT) {
 494                 addToolBar(Qt::LeftToolBarArea, Tb);
 495         }
 496         if (tbb.flags & ToolbarBackend::RIGHT) {
 497                 addToolBar(Qt::RightToolBarArea, Tb);
 498         }
 499
 500         return Toolbars::ToolbarPtr(Tb);
 501 }
 502
 503 } // namespace frontend
 504 } // namespace lyx
 505
 506 #include "GuiView_moc.cpp"