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
  43 #include <QAction>
  44 #include <QApplication>
  45 #include <QCloseEvent>
  46 #include <QPixmap>
  47 #include <QStatusBar>
  48 #include <QToolBar>
  49
  50 #include <boost/bind.hpp>
  51
  52 using std::endl;
  53 using std::string;
  54 using std::vector;
  55
  56 namespace lyx {
  57
  58 using support::subst;
  59 using support::libFileSearch;
  60
  61 namespace frontend {
  62
  63 namespace {
  64
  65 int const statusbar_timer_value = 3000;
  66
  67 } // namespace anon
  68
  69
  70 GuiView::GuiView(int id)
  71         : QMainWindow(), LyXView(id), commandbuffer_(0)
  72 {
  73         setAttribute(Qt::WA_DeleteOnClose, true);
  74         setAttribute(Qt::WA_QuitOnClose, true);
  75
  76 //      setToolButtonStyle(Qt::ToolButtonIconOnly);
  77 //      setIconSize(QSize(12,12));
  78
  79 //      bufferview_.reset(new BufferView(this, width, height));
  80
  81 #ifndef Q_WS_MACX
  82         //  assign an icon to main form. We do not do it under Qt/Mac,
  83         //  since the icon is provided in the application bundle.
  84         string const iconname = libFileSearch("images", "lyx", "xpm");
  85         if (!iconname.empty())
  86                 setWindowIcon(QPixmap(toqstr(iconname)));
  87 #endif
  88 }
  89
  90
  91 GuiView::~GuiView()
  92 {
  93 }
  94
  95
  96 void GuiView::close()
  97 {
  98         QMainWindow::close();
  99 }
 100
 101
 102 void GuiView::init()
 103 {
 104         menubar_.reset(new QLMenubar(this, menubackend));
 105         QObject::connect(menuBar(), SIGNAL(triggered(QAction *)),
 106                 this, SLOT(updateMenu(QAction *)));
 107
 108         getToolbars().init();
 109
 110         statusBar()->setSizeGripEnabled(false);
 111
 112         QObject::connect(&statusbar_timer_, SIGNAL(timeout()),
 113                 this, SLOT(update_view_state_qt()));
 114
 115         // make sure the buttons are disabled if needed
 116         updateToolbars();
 117         updateLayoutChoice();
 118         updateMenubar();
 119 }
 120
 121
 122 void GuiView::saveGeometry()
 123 {
 124         // FIXME:
 125         // change the ifdef to 'geometry = normalGeometry();' only
 126         // when Trolltech has fixed the broken normalGeometry on X11:
 127         // http://www.trolltech.com/developer/task-tracker/index_html?id=119684+&method=entry
 128         // Then also the moveEvent, resizeEvent, and the
 129         // code for floatingGeometry_ can be removed;
 130         // adjust GuiView::setGeometry()
 131 #ifdef Q_OS_WIN32
 132         QRect geometry = normalGeometry();
 133 #else
 134         updateFloatingGeometry();
 135         QRect geometry = floatingGeometry_;
 136 #endif
 137
 138         // save windows size and position
 139         Session & session = LyX::ref().session();
 140         session.saveSessionInfo("WindowWidth", convert<string>(geometry.width()));
 141         session.saveSessionInfo("WindowHeight", convert<string>(geometry.height()));
 142         session.saveSessionInfo("WindowIsMaximized", (isMaximized() ? "yes" : "no"));
 143         if (lyxrc.geometry_xysaved) {
 144                 session.saveSessionInfo("WindowPosX", convert<string>(geometry.x()));
 145                 session.saveSessionInfo("WindowPosY", convert<string>(geometry.y()));
 146         }
 147 }
 148
 149 void GuiView::setGeometry(unsigned int width,
 150                                                                   unsigned int height,
 151                                                                   int posx, int posy,
 152                                                                   bool maximize)
 153 {
 154         // only true when the -geometry option was NOT used
 155         if (width != 0 && height != 0) {
 156                 if (posx != -1 && posy != -1) {
 157                         // if there are ever startup positioning problems
 158                         // on a virtual desktop then check the 6 lines below
 159                         // http://doc.trolltech.com/4.2/qdesktopwidget.html
 160                         QDesktopWidget& dw = *qApp->desktop();
 161                         QRect desk = dw.availableGeometry(dw.primaryScreen());
 162                         if (posx >= desk.width())
 163                                    posx = 0.1 * desk.width();
 164                         if (posy >= desk.height())
 165                                    posy = 0.1 * desk.height();
 166 #ifdef Q_WS_WIN
 167                         // FIXME: use only setGeoemtry when Trolltech has
 168                         // fixed the qt4/X11 bug
 169                         QMainWindow::setGeometry(posx, posy,width, height);
 170 #else
 171                         resize(width, height);
 172                         move(posx, posy);
 173 #endif
 174                 } else {
 175                         resize(width, height);
 176                 }
 177
 178                 if (maximize)
 179                         setWindowState(Qt::WindowMaximized);
 180         }
 181
 182         show();
 183 }
 184
 185
 186 void GuiView::updateMenu(QAction * /*action*/)
 187 {
 188         menubar_->update();
 189 }
 190
 191
 192 void GuiView::setWindowTitle(docstring const & t, docstring const & it)
 193 {
 194         QMainWindow::setWindowTitle(toqstr(t));
 195         QMainWindow::setWindowIconText(toqstr(it));
 196 }
 197
 198
 199 void GuiView::addCommandBuffer(QToolBar * toolbar)
 200 {
 201         commandbuffer_ = new QCommandBuffer(this, *controlcommand_);
 202         focus_command_buffer.connect(boost::bind(&GuiView::focus_command_widget, this));
 203         toolbar->addWidget(commandbuffer_);
 204 }
 205
 206
 207 void GuiView::message(docstring const & str)
 208 {
 209         statusBar()->showMessage(toqstr(str));
 210         statusbar_timer_.stop();
 211         statusbar_timer_.start(statusbar_timer_value);
 212 }
 213
 214
 215 void GuiView::clearMessage()
 216 {
 217         update_view_state_qt();
 218 }
 219
 220
 221 void GuiView::focus_command_widget()
 222 {
 223         if (commandbuffer_)
 224                 commandbuffer_->focus_command();
 225 }
 226
 227
 228 void GuiView::update_view_state_qt()
 229 {
 230         statusBar()->showMessage(toqstr(theLyXFunc().viewStatusMessage()));
 231         statusbar_timer_.stop();
 232 }
 233
 234
 235 void GuiView::updateStatusBar()
 236 {
 237         // let the user see the explicit message
 238         if (statusbar_timer_.isActive())
 239                 return;
 240
 241         statusBar()->showMessage(toqstr(theLyXFunc().viewStatusMessage()));
 242 }
 243
 244
 245 void GuiView::activated(FuncRequest const & func)
 246 {
 247         dispatch(func);
 248 }
 249
 250
 251 bool GuiView::hasFocus() const
 252 {
 253         return qApp->activeWindow() == this;
 254 }
 255
 256
 257 void  GuiView::updateFloatingGeometry()
 258 {
 259         if (!isMaximized())
 260                 floatingGeometry_ = QRect(x(), y(), width(), height());
 261 }
 262
 263
 264 void GuiView::resizeEvent(QResizeEvent *)
 265 {
 266         updateFloatingGeometry();
 267 }
 268
 269
 270 void GuiView::moveEvent(QMoveEvent *)
 271 {
 272         updateFloatingGeometry();
 273 }
 274
 275
 276 void GuiView::closeEvent(QCloseEvent * close_event)
 277 {
 278         GuiImplementation & gui
 279                 = static_cast<GuiImplementation &>(theApp->gui());
 280
 281         vector<int> const & view_ids = gui.viewIds();
 282
 283         if (view_ids.size() == 1 && !theBufferList().quitWriteAll()) {
 284                 close_event->ignore();
 285                 return;
 286         }
 287
 288         saveGeometry();
 289         gui.unregisterView(this);
 290 }
 291
 292
 293 void GuiView::show()
 294 {
 295         QMainWindow::setWindowTitle(qt_("LyX"));
 296         QMainWindow::show();
 297         updateFloatingGeometry();
 298 }
 299
 300
 301 void GuiView::busy(bool yes)
 302 {
 303         static_cast<GuiWorkArea *>(work_area_)->setUpdatesEnabled(!yes);
 304
 305         if (yes) {
 306                 work_area_->stopBlinkingCursor();
 307                 QApplication::setOverrideCursor(Qt::WaitCursor);
 308         }
 309         else {
 310                 work_area_->startBlinkingCursor();
 311                 QApplication::restoreOverrideCursor();
 312         }
 313 }
 314
 315
 316 Toolbars::ToolbarPtr GuiView::makeToolbar(ToolbarBackend::Toolbar const & tbb)
 317 {
 318         QLToolbar * Tb = new QLToolbar(tbb, *this);
 319         static QLToolbar * lastTb = 0;
 320
 321         if (tbb.flags & ToolbarBackend::TOP) {
 322                         addToolBar(Qt::TopToolBarArea, Tb);
 323                         addToolBarBreak(Qt::TopToolBarArea);
 324         }
 325         if (tbb.flags & ToolbarBackend::BOTTOM) {
 326                 addToolBar(Qt::BottomToolBarArea, Tb);
 327                 if (lastTb)
 328                         insertToolBarBreak(lastTb);
 329                 lastTb = Tb;
 330         }
 331         if (tbb.flags & ToolbarBackend::LEFT) {
 332                 addToolBar(Qt::LeftToolBarArea, Tb);
 333         }
 334         if (tbb.flags & ToolbarBackend::RIGHT) {
 335                 addToolBar(Qt::RightToolBarArea, Tb);
 336         }
 337
 338         return Toolbars::ToolbarPtr(Tb);
 339 }
 340
 341 } // namespace frontend
 342 } // namespace lyx
 343
 344 #include "GuiView_moc.cpp"