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