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