]> git.lyx.org Git - lyx.git/blob - src/frontends/qt4/GuiView.cpp
Fix the warning about the unused msg parameter
[lyx.git] / src / frontends / qt4 / GuiView.cpp
1 /**
2  * \file GuiView.cpp
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  * \author Peter Kümmel
10  *
11  * Full author contact details are available in file CREDITS.
12  */
13
14 #include <config.h>
15
16 #include "GuiView.h"
17
18 #include "Dialog.h"
19 #include "DispatchResult.h"
20 #include "FileDialog.h"
21 #include "FontLoader.h"
22 #include "GuiApplication.h"
23 #include "GuiCommandBuffer.h"
24 #include "GuiCompleter.h"
25 #include "GuiKeySymbol.h"
26 #include "GuiToc.h"
27 #include "GuiToolbar.h"
28 #include "GuiWorkArea.h"
29 #include "GuiProgress.h"
30 #include "LayoutBox.h"
31 #include "Menus.h"
32 #include "TocModel.h"
33
34 #include "qt_helpers.h"
35
36 #include "frontends/alert.h"
37
38 #include "buffer_funcs.h"
39 #include "Buffer.h"
40 #include "BufferList.h"
41 #include "BufferParams.h"
42 #include "BufferView.h"
43 #include "Compare.h"
44 #include "Converter.h"
45 #include "Cursor.h"
46 #include "CutAndPaste.h"
47 #include "Encoding.h"
48 #include "ErrorList.h"
49 #include "Format.h"
50 #include "FuncStatus.h"
51 #include "FuncRequest.h"
52 #include "Intl.h"
53 #include "Layout.h"
54 #include "Lexer.h"
55 #include "LyXAction.h"
56 #include "LyX.h"
57 #include "LyXRC.h"
58 #include "LyXVC.h"
59 #include "Paragraph.h"
60 #include "SpellChecker.h"
61 #include "TexRow.h"
62 #include "TextClass.h"
63 #include "Text.h"
64 #include "Toolbars.h"
65 #include "version.h"
66
67 #include "support/convert.h"
68 #include "support/debug.h"
69 #include "support/ExceptionMessage.h"
70 #include "support/FileName.h"
71 #include "support/filetools.h"
72 #include "support/gettext.h"
73 #include "support/filetools.h"
74 #include "support/ForkedCalls.h"
75 #include "support/lassert.h"
76 #include "support/lstrings.h"
77 #include "support/os.h"
78 #include "support/Package.h"
79 #include "support/Path.h"
80 #include "support/Systemcall.h"
81 #include "support/Timeout.h"
82 #include "support/ProgressInterface.h"
83
84 #include <QAction>
85 #include <QApplication>
86 #include <QCloseEvent>
87 #include <QDebug>
88 #include <QDesktopWidget>
89 #include <QDragEnterEvent>
90 #include <QDropEvent>
91 #include <QLabel>
92 #include <QList>
93 #include <QMenu>
94 #include <QMenuBar>
95 #include <QMovie>
96 #include <QPainter>
97 #include <QPixmap>
98 #include <QPixmapCache>
99 #include <QPoint>
100 #include <QPushButton>
101 #include <QSettings>
102 #include <QShowEvent>
103 #include <QSplitter>
104 #include <QStackedWidget>
105 #include <QStatusBar>
106 #include <QTime>
107 #include <QTimer>
108 #include <QToolBar>
109 #include <QUrl>
110 #include <QScrollBar>
111
112
113
114 #define EXPORT_in_THREAD 1
115
116 // QtConcurrent was introduced in Qt 4.4
117 #if (QT_VERSION >= 0x040400)
118 #include <QFuture>
119 #include <QFutureWatcher>
120 #include <QtConcurrentRun>
121 #endif
122
123 #include "support/bind.h"
124
125 #include <sstream>
126
127 #ifdef HAVE_SYS_TIME_H
128 # include <sys/time.h>
129 #endif
130 #ifdef HAVE_UNISTD_H
131 # include <unistd.h>
132 #endif
133
134
135 using namespace std;
136 using namespace lyx::support;
137
138 namespace lyx {
139
140 using support::addExtension;
141 using support::changeExtension;
142 using support::removeExtension;
143
144 namespace frontend {
145
146 namespace {
147
148 class BackgroundWidget : public QWidget
149 {
150 public:
151         BackgroundWidget()
152         {
153                 LYXERR(Debug::GUI, "show banner: " << lyxrc.show_banner);
154                 if (!lyxrc.show_banner)
155                         return;
156                 /// The text to be written on top of the pixmap
157                 QString const text = lyx_version ?
158                         qt_("version ") + lyx_version : qt_("unknown version");
159                 splash_ = getPixmap("images/", "banner", "png");
160
161                 QPainter pain(&splash_);
162                 pain.setPen(QColor(0, 0, 0));
163                 QFont font;
164                 // The font used to display the version info
165                 font.setStyleHint(QFont::SansSerif);
166                 font.setWeight(QFont::Bold);
167                 font.setPointSize(int(toqstr(lyxrc.font_sizes[FONT_SIZE_LARGE]).toDouble()));
168                 pain.setFont(font);
169                 pain.drawText(190, 225, text);
170                 setFocusPolicy(Qt::StrongFocus);
171         }
172
173         void paintEvent(QPaintEvent *)
174         {
175                 int x = (width() - splash_.width()) / 2;
176                 int y = (height() - splash_.height()) / 2;
177                 QPainter pain(this);
178                 pain.drawPixmap(x, y, splash_);
179         }
180
181         void keyPressEvent(QKeyEvent * ev)
182         {
183                 KeySymbol sym;
184                 setKeySymbol(&sym, ev);
185                 if (sym.isOK()) {
186                         guiApp->processKeySym(sym, q_key_state(ev->modifiers()));
187                         ev->accept();
188                 } else {
189                         ev->ignore();
190                 }
191         }
192
193 private:
194         QPixmap splash_;
195 };
196
197
198 /// Toolbar store providing access to individual toolbars by name.
199 typedef map<string, GuiToolbar *> ToolbarMap;
200
201 typedef shared_ptr<Dialog> DialogPtr;
202
203 } // namespace anon
204
205
206 struct GuiView::GuiViewPrivate
207 {
208         GuiViewPrivate(GuiView * gv)
209                 : gv_(gv), current_work_area_(0), current_main_work_area_(0),
210                 layout_(0), autosave_timeout_(5000),
211                 in_show_(false)
212         {
213                 // hardcode here the platform specific icon size
214                 smallIconSize = 16;  // scaling problems
215                 normalIconSize = 20; // ok, default if iconsize.png is missing
216                 bigIconSize = 26;       // better for some math icons
217
218                 // if it exists, use width of iconsize.png as normal size
219                 QString const dir = toqstr(addPath("images", lyxrc.icon_set));
220                 FileName const fn = lyx::libFileSearch(dir, "iconsize.png");
221                 if (!fn.empty()) {
222                         QImage image(toqstr(fn.absFileName()));
223                         if (image.width() < int(smallIconSize))
224                                 normalIconSize = smallIconSize;
225                         else if (image.width() > int(bigIconSize))
226                                 normalIconSize = bigIconSize;
227                         else
228                                 normalIconSize = image.width();
229                 }
230
231                 splitter_ = new QSplitter;
232                 bg_widget_ = new BackgroundWidget;
233                 stack_widget_ = new QStackedWidget;
234                 stack_widget_->addWidget(bg_widget_);
235                 stack_widget_->addWidget(splitter_);
236                 setBackground();
237
238                 // TODO cleanup, remove the singleton, handle multiple Windows?
239                 progress_ = ProgressInterface::instance();
240                 if (!dynamic_cast<GuiProgress*>(progress_)) {
241                         progress_ = new GuiProgress();  // TODO who deletes it
242                         ProgressInterface::setInstance(progress_);
243                 }
244                 QObject::connect(
245                                 dynamic_cast<GuiProgress*>(progress_),
246                                 SIGNAL(updateStatusBarMessage(QString const&)),
247                                 gv, SLOT(updateStatusBarMessage(QString const&)));
248                 QObject::connect(
249                                 dynamic_cast<GuiProgress*>(progress_),
250                                 SIGNAL(clearMessageText()),
251                                 gv, SLOT(clearMessageText()));
252         }
253
254         ~GuiViewPrivate()
255         {
256                 delete splitter_;
257                 delete bg_widget_;
258                 delete stack_widget_;
259         }
260
261         QMenu * toolBarPopup(GuiView * parent)
262         {
263                 // FIXME: translation
264                 QMenu * menu = new QMenu(parent);
265                 QActionGroup * iconSizeGroup = new QActionGroup(parent);
266
267                 QAction * smallIcons = new QAction(iconSizeGroup);
268                 smallIcons->setText(qt_("Small-sized icons"));
269                 smallIcons->setCheckable(true);
270                 QObject::connect(smallIcons, SIGNAL(triggered()),
271                         parent, SLOT(smallSizedIcons()));
272                 menu->addAction(smallIcons);
273
274                 QAction * normalIcons = new QAction(iconSizeGroup);
275                 normalIcons->setText(qt_("Normal-sized icons"));
276                 normalIcons->setCheckable(true);
277                 QObject::connect(normalIcons, SIGNAL(triggered()),
278                         parent, SLOT(normalSizedIcons()));
279                 menu->addAction(normalIcons);
280
281                 QAction * bigIcons = new QAction(iconSizeGroup);
282                 bigIcons->setText(qt_("Big-sized icons"));
283                 bigIcons->setCheckable(true);
284                 QObject::connect(bigIcons, SIGNAL(triggered()),
285                         parent, SLOT(bigSizedIcons()));
286                 menu->addAction(bigIcons);
287
288                 unsigned int cur = parent->iconSize().width();
289                 if ( cur == parent->d.smallIconSize)
290                         smallIcons->setChecked(true);
291                 else if (cur == parent->d.normalIconSize)
292                         normalIcons->setChecked(true);
293                 else if (cur == parent->d.bigIconSize)
294                         bigIcons->setChecked(true);
295
296                 return menu;
297         }
298
299         void setBackground()
300         {
301                 stack_widget_->setCurrentWidget(bg_widget_);
302                 bg_widget_->setUpdatesEnabled(true);
303                 bg_widget_->setFocus();
304         }
305
306         int tabWorkAreaCount()
307         {
308                 return splitter_->count();
309         }
310
311         TabWorkArea * tabWorkArea(int i)
312         {
313                 return dynamic_cast<TabWorkArea *>(splitter_->widget(i));
314         }
315
316         TabWorkArea * currentTabWorkArea()
317         {
318                 int areas = tabWorkAreaCount();
319                 if (areas == 1)
320                         // The first TabWorkArea is always the first one, if any.
321                         return tabWorkArea(0);
322
323                 for (int i = 0; i != areas;  ++i) {
324                         TabWorkArea * twa = tabWorkArea(i);
325                         if (current_main_work_area_ == twa->currentWorkArea())
326                                 return twa;
327                 }
328
329                 // None has the focus so we just take the first one.
330                 return tabWorkArea(0);
331         }
332
333 #if (QT_VERSION >= 0x040400)
334         void setPreviewFuture(QFuture<Buffer::ExportStatus> const & f)
335         {
336                 if (processing_thread_watcher_.isRunning()) {
337                         // we prefer to cancel this preview in order to keep a snappy
338                         // interface.
339                         return;
340                 }
341                 processing_thread_watcher_.setFuture(f);
342         }
343 #endif
344
345 public:
346         GuiView * gv_;
347         GuiWorkArea * current_work_area_;
348         GuiWorkArea * current_main_work_area_;
349         QSplitter * splitter_;
350         QStackedWidget * stack_widget_;
351         BackgroundWidget * bg_widget_;
352         /// view's toolbars
353         ToolbarMap toolbars_;
354         ProgressInterface* progress_;
355         /// The main layout box.
356         /**
357          * \warning Don't Delete! The layout box is actually owned by
358          * whichever toolbar contains it. All the GuiView class needs is a
359          * means of accessing it.
360          *
361          * FIXME: replace that with a proper model so that we are not limited
362          * to only one dialog.
363          */
364         LayoutBox * layout_;
365
366         ///
367         map<string, DialogPtr> dialogs_;
368
369         unsigned int smallIconSize;
370         unsigned int normalIconSize;
371         unsigned int bigIconSize;
372         ///
373         QTimer statusbar_timer_;
374         /// auto-saving of buffers
375         Timeout autosave_timeout_;
376         /// flag against a race condition due to multiclicks, see bug #1119
377         bool in_show_;
378
379         ///
380         TocModels toc_models_;
381
382 #if (QT_VERSION >= 0x040400)
383         ///
384         QFutureWatcher<docstring> autosave_watcher_;
385         QFutureWatcher<Buffer::ExportStatus> processing_thread_watcher_;
386         ///
387         string last_export_format;
388         string processing_format;
389 #else
390         struct DummyWatcher { bool isRunning(){return false;} };
391         DummyWatcher processing_thread_watcher_;
392 #endif
393
394         static QSet<Buffer const *> busyBuffers;
395         static Buffer::ExportStatus previewAndDestroy(Buffer const * orig, Buffer * buffer, string const & format);
396         static Buffer::ExportStatus exportAndDestroy(Buffer const * orig, Buffer * buffer, string const & format);
397         static Buffer::ExportStatus compileAndDestroy(Buffer const * orig, Buffer * buffer, string const & format);
398         static docstring autosaveAndDestroy(Buffer const * orig, Buffer * buffer);
399
400         template<class T>
401         static Buffer::ExportStatus runAndDestroy(const T& func, Buffer const * orig, Buffer * buffer, string const & format);
402
403         // TODO syncFunc/previewFunc: use bind
404         bool asyncBufferProcessing(string const & argument,
405                                    Buffer const * used_buffer,
406                                    docstring const & msg,
407                                    Buffer::ExportStatus (*asyncFunc)(Buffer const *, Buffer *, string const &),
408                                    Buffer::ExportStatus (Buffer::*syncFunc)(string const &, bool) const,
409                                    Buffer::ExportStatus (Buffer::*previewFunc)(string const &) const);
410
411         QVector<GuiWorkArea*> guiWorkAreas();
412 };
413
414 QSet<Buffer const *> GuiView::GuiViewPrivate::busyBuffers;
415
416
417 GuiView::GuiView(int id)
418         : d(*new GuiViewPrivate(this)), id_(id), closing_(false), busy_(0)
419 {
420         // GuiToolbars *must* be initialised before the menu bar.
421         normalSizedIcons(); // at least on Mac the default is 32 otherwise, which is huge
422         constructToolbars();
423
424         // set ourself as the current view. This is needed for the menu bar
425         // filling, at least for the static special menu item on Mac. Otherwise
426         // they are greyed out.
427         guiApp->setCurrentView(this);
428
429         // Fill up the menu bar.
430         guiApp->menus().fillMenuBar(menuBar(), this, true);
431
432         setCentralWidget(d.stack_widget_);
433
434         // Start autosave timer
435         if (lyxrc.autosave) {
436                 d.autosave_timeout_.timeout.connect(bind(&GuiView::autoSave, this));
437                 d.autosave_timeout_.setTimeout(lyxrc.autosave * 1000);
438                 d.autosave_timeout_.start();
439         }
440         connect(&d.statusbar_timer_, SIGNAL(timeout()),
441                 this, SLOT(clearMessage()));
442
443         // We don't want to keep the window in memory if it is closed.
444         setAttribute(Qt::WA_DeleteOnClose, true);
445
446 #if (!defined(Q_WS_WIN) && !defined(Q_WS_MACX))
447         // assign an icon to main form. We do not do it under Qt/Win or Qt/Mac,
448         // since the icon is provided in the application bundle.
449         setWindowIcon(getPixmap("images/", "lyx", "png"));
450 #endif
451
452 #if (QT_VERSION >= 0x040300)
453         // use tabbed dock area for multiple docks
454         // (such as "source" and "messages")
455         setDockOptions(QMainWindow::ForceTabbedDocks);
456 #endif
457
458         // For Drag&Drop.
459         setAcceptDrops(true);
460
461 #if (QT_VERSION >= 0x040400)
462
463         // add busy indicator to statusbar
464         QLabel * busylabel = new QLabel(statusBar());
465         statusBar()->addPermanentWidget(busylabel);
466         QString fn = toqstr(lyx::libFileSearch("images", "busy.gif").absFileName());
467         QMovie * busyanim = new QMovie(fn, QByteArray(), busylabel);
468         busylabel->setMovie(busyanim);
469         busyanim->start();
470         busylabel->hide();
471
472         connect(&d.processing_thread_watcher_, SIGNAL(started()), 
473                 busylabel, SLOT(show()));
474         connect(&d.processing_thread_watcher_, SIGNAL(finished()), 
475                 busylabel, SLOT(hide()));
476
477         statusBar()->setSizeGripEnabled(true);
478         updateStatusBar();
479
480         connect(&d.autosave_watcher_, SIGNAL(finished()), this,
481                 SLOT(autoSaveThreadFinished()));
482
483         connect(&d.processing_thread_watcher_, SIGNAL(started()), this,
484                 SLOT(processingThreadStarted()));
485         connect(&d.processing_thread_watcher_, SIGNAL(finished()), this,
486                 SLOT(processingThreadFinished()));
487
488 #endif
489
490         connect(this, SIGNAL(triggerShowDialog(QString const &, QString const &, Inset *)),
491                 SLOT(doShowDialog(QString const &, QString const &, Inset *)));
492
493         // Forbid too small unresizable window because it can happen
494         // with some window manager under X11.
495         setMinimumSize(300, 200);
496
497         if (lyxrc.allow_geometry_session) {
498                 // Now take care of session management.
499                 if (restoreLayout())
500                         return;
501         }
502
503         // no session handling, default to a sane size.
504         setGeometry(50, 50, 690, 510);
505         initToolbars();
506
507         // clear session data if any.
508         QSettings settings;
509         settings.remove("views");
510 }
511
512
513 GuiView::~GuiView()
514 {
515         delete &d;
516 }
517
518
519 QVector<GuiWorkArea*> GuiView::GuiViewPrivate::guiWorkAreas()
520 {
521         QVector<GuiWorkArea*> areas;
522         for (int i = 0; i < tabWorkAreaCount(); i++) {
523                 TabWorkArea* ta = tabWorkArea(i);
524                 for (int u = 0; u < ta->count(); u++) {
525                         areas << ta->workArea(u);
526                 }
527         }
528         return areas;
529 }
530
531 static void handleExportStatus(GuiView * view, Buffer::ExportStatus status,
532         string const & format)
533 {
534         docstring msg;
535         switch (status) {
536         case Buffer::ExportSuccess:
537                 msg = _("Successful export to format: %1$s");
538                 break;
539         case Buffer::ExportError:
540         case Buffer::ExportNoPathToFormat:
541         case Buffer::ExportTexPathHasSpaces:
542         case Buffer::ExportConverterError:
543                 msg = _("Error while exporting format: %1$s");
544                 break;
545         case Buffer::PreviewSuccess:
546                 msg = _("Successful preview of format: %1$s");
547                 break;
548         case Buffer::PreviewError:
549                 msg = _("Error while previewing format: %1$s");
550                 break;
551         }
552         view->message(bformat(msg, from_utf8(format)));
553 }
554
555
556 #if QT_VERSION >= 0x040400
557
558 void GuiView::processingThreadStarted()
559 {
560 }
561
562
563 void GuiView::processingThreadFinished(bool show_errors)
564 {
565         QFutureWatcher<Buffer::ExportStatus> const * watcher =
566                 static_cast<QFutureWatcher<Buffer::ExportStatus> const *>(sender());
567
568         Buffer::ExportStatus const status = watcher->result();
569         handleExportStatus(this, status, d.processing_format);
570         
571         updateToolbars();
572         if (show_errors) {
573                 BufferView const * const bv = currentBufferView();
574                 if (bv && !bv->buffer().errorList("Export").empty()) {
575                         errors("Export");
576                         return;
577                 }
578                 errors(d.last_export_format);
579         }
580 }
581
582
583 void GuiView::processingThreadFinished()
584 {
585         processingThreadFinished(true);
586 }
587
588
589 void GuiView::autoSaveThreadFinished()
590 {
591         processingThreadFinished(false);
592 }
593
594 #else
595
596
597 void GuiView::processingThreadStarted()
598 {
599 }
600
601
602 void GuiView::processingThreadFinished(bool)
603 {
604 }
605
606
607 void GuiView::processingThreadFinished()
608 {
609 }
610
611
612 void GuiView::autoSaveThreadFinished()
613 {
614 }
615 #endif
616
617
618 void GuiView::saveLayout() const
619 {
620         QSettings settings;
621         settings.beginGroup("views");
622         settings.beginGroup(QString::number(id_));
623 #ifdef Q_WS_X11
624         settings.setValue("pos", pos());
625         settings.setValue("size", size());
626 #else
627         settings.setValue("geometry", saveGeometry());
628 #endif
629         settings.setValue("layout", saveState(0));
630         settings.setValue("icon_size", iconSize());
631 }
632
633
634 void GuiView::saveUISettings() const
635 {
636         // Save the toolbar private states
637         ToolbarMap::iterator end = d.toolbars_.end();
638         for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
639                 it->second->saveSession();
640         // Now take care of all other dialogs
641         map<string, DialogPtr>::const_iterator it = d.dialogs_.begin();
642         for (; it!= d.dialogs_.end(); ++it)
643                 it->second->saveSession();
644 }
645
646
647 bool GuiView::restoreLayout()
648 {
649         QSettings settings;
650         settings.beginGroup("views");
651         settings.beginGroup(QString::number(id_));
652         QString const icon_key = "icon_size";
653         if (!settings.contains(icon_key))
654                 return false;
655
656         //code below is skipped when when ~/.config/LyX is (re)created
657         QSize icon_size = settings.value(icon_key).toSize();
658         // Check whether session size changed.
659         if (icon_size.width() != int(d.smallIconSize) &&
660             icon_size.width() != int(d.normalIconSize) &&
661             icon_size.width() != int(d.bigIconSize)) {
662                 icon_size.setWidth(d.normalIconSize);
663                 icon_size.setHeight(d.normalIconSize);
664         }
665         setIconSize(icon_size);
666
667 #ifdef Q_WS_X11
668         QPoint pos = settings.value("pos", QPoint(50, 50)).toPoint();
669         QSize size = settings.value("size", QSize(690, 510)).toSize();
670         resize(size);
671         move(pos);
672 #else
673         // Work-around for bug #6034: the window ends up in an undetermined
674         // state when trying to restore a maximized window when it is
675         // already maximized.
676         if (!(windowState() & Qt::WindowMaximized))
677                 if (!restoreGeometry(settings.value("geometry").toByteArray()))
678                         setGeometry(50, 50, 690, 510);
679 #endif
680         // Make sure layout is correctly oriented.
681         setLayoutDirection(qApp->layoutDirection());
682
683         // Allow the toc and view-source dock widget to be restored if needed.
684         Dialog * dialog;
685         if ((dialog = findOrBuild("toc", true)))
686                 // see bug 5082. At least setup title and enabled state.
687                 // Visibility will be adjusted by restoreState below.
688                 dialog->prepareView();
689         if ((dialog = findOrBuild("view-source", true)))
690                 dialog->prepareView();
691         if ((dialog = findOrBuild("progress", true)))
692                 dialog->prepareView();
693         if ((dialog = findOrBuild("findreplaceadv", true)))
694                 dialog->prepareView();
695
696         if (!restoreState(settings.value("layout").toByteArray(), 0))
697                 initToolbars();
698         updateDialogs();
699         return true;
700 }
701
702
703 GuiToolbar * GuiView::toolbar(string const & name)
704 {
705         ToolbarMap::iterator it = d.toolbars_.find(name);
706         if (it != d.toolbars_.end())
707                 return it->second;
708
709         LYXERR(Debug::GUI, "Toolbar::display: no toolbar named " << name);
710         return 0;
711 }
712
713
714 void GuiView::constructToolbars()
715 {
716         ToolbarMap::iterator it = d.toolbars_.begin();
717         for (; it != d.toolbars_.end(); ++it)
718                 delete it->second;
719         d.toolbars_.clear();
720
721         // I don't like doing this here, but the standard toolbar
722         // destroys this object when it's destroyed itself (vfr)
723         d.layout_ = new LayoutBox(*this);
724         d.stack_widget_->addWidget(d.layout_);
725         d.layout_->move(0,0);
726
727         // extracts the toolbars from the backend
728         Toolbars::Infos::iterator cit = guiApp->toolbars().begin();
729         Toolbars::Infos::iterator end = guiApp->toolbars().end();
730         for (; cit != end; ++cit)
731                 d.toolbars_[cit->name] =  new GuiToolbar(*cit, *this);
732 }
733
734
735 void GuiView::initToolbars()
736 {
737         // extracts the toolbars from the backend
738         Toolbars::Infos::iterator cit = guiApp->toolbars().begin();
739         Toolbars::Infos::iterator end = guiApp->toolbars().end();
740         for (; cit != end; ++cit) {
741                 GuiToolbar * tb = toolbar(cit->name);
742                 if (!tb)
743                         continue;
744                 int const visibility = guiApp->toolbars().defaultVisibility(cit->name);
745                 bool newline = !(visibility & Toolbars::SAMEROW);
746                 tb->setVisible(false);
747                 tb->setVisibility(visibility);
748
749                 if (visibility & Toolbars::TOP) {
750                         if (newline)
751                                 addToolBarBreak(Qt::TopToolBarArea);
752                         addToolBar(Qt::TopToolBarArea, tb);
753                 }
754
755                 if (visibility & Toolbars::BOTTOM) {
756                         // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
757 #if (QT_VERSION >= 0x040202)
758                         if (newline)
759                                 addToolBarBreak(Qt::BottomToolBarArea);
760 #endif
761                         addToolBar(Qt::BottomToolBarArea, tb);
762                 }
763
764                 if (visibility & Toolbars::LEFT) {
765                         // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
766 #if (QT_VERSION >= 0x040202)
767                         if (newline)
768                                 addToolBarBreak(Qt::LeftToolBarArea);
769 #endif
770                         addToolBar(Qt::LeftToolBarArea, tb);
771                 }
772
773                 if (visibility & Toolbars::RIGHT) {
774                         // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
775 #if (QT_VERSION >= 0x040202)
776                         if (newline)
777                                 addToolBarBreak(Qt::RightToolBarArea);
778 #endif
779                         addToolBar(Qt::RightToolBarArea, tb);
780                 }
781
782                 if (visibility & Toolbars::ON)
783                         tb->setVisible(true);
784         }
785 }
786
787
788 TocModels & GuiView::tocModels()
789 {
790         return d.toc_models_;
791 }
792
793
794 void GuiView::setFocus()
795 {
796         LYXERR(Debug::DEBUG, "GuiView::setFocus()" << this);
797         QMainWindow::setFocus();
798 }
799
800
801 void GuiView::focusInEvent(QFocusEvent * e)
802 {
803         LYXERR(Debug::DEBUG, "GuiView::focusInEvent()" << this);
804         QMainWindow::focusInEvent(e);
805         // Make sure guiApp points to the correct view.
806         guiApp->setCurrentView(this);
807         if (currentWorkArea())
808                 currentWorkArea()->setFocus();
809         else if (currentMainWorkArea())
810                 currentMainWorkArea()->setFocus();
811         else
812                 d.bg_widget_->setFocus();
813 }
814
815
816 QMenu * GuiView::createPopupMenu()
817 {
818         return d.toolBarPopup(this);
819 }
820
821
822 void GuiView::showEvent(QShowEvent * e)
823 {
824         LYXERR(Debug::GUI, "Passed Geometry "
825                 << size().height() << "x" << size().width()
826                 << "+" << pos().x() << "+" << pos().y());
827
828         if (d.splitter_->count() == 0)
829                 // No work area, switch to the background widget.
830                 d.setBackground();
831
832         updateToolbars();
833         QMainWindow::showEvent(e);
834 }
835
836
837 bool GuiView::closeScheduled()
838 {
839         closing_ = true;
840         return close();
841 }
842
843
844 /** Destroy only all tabbed WorkAreas. Destruction of other WorkAreas
845  ** is responsibility of the container (e.g., dialog)
846  **/
847 void GuiView::closeEvent(QCloseEvent * close_event)
848 {
849         LYXERR(Debug::DEBUG, "GuiView::closeEvent()");
850
851         if (!GuiViewPrivate::busyBuffers.isEmpty()) {
852                 Alert::warning(_("Exit LyX"), 
853                         _("LyX could not be closed because documents are being processed by LyX."));
854                 close_event->setAccepted(false);
855                 return;
856         }
857
858         // If the user pressed the x (so we didn't call closeView
859         // programmatically), we want to clear all existing entries.
860         if (!closing_)
861                 theSession().lastOpened().clear();
862         closing_ = true;
863
864         writeSession();
865
866         // it can happen that this event arrives without selecting the view,
867         // e.g. when clicking the close button on a background window.
868         setFocus();
869         if (!closeWorkAreaAll()) {
870                 closing_ = false;
871                 close_event->ignore();
872                 return;
873         }
874
875         // Make sure that nothing will use this to be closed View.
876         guiApp->unregisterView(this);
877
878         if (isFullScreen()) {
879                 // Switch off fullscreen before closing.
880                 toggleFullScreen();
881                 updateDialogs();
882         }
883
884         // Make sure the timer time out will not trigger a statusbar update.
885         d.statusbar_timer_.stop();
886
887         // Saving fullscreen requires additional tweaks in the toolbar code.
888         // It wouldn't also work under linux natively.
889         if (lyxrc.allow_geometry_session) {
890                 saveLayout();
891                 saveUISettings();
892         }
893
894         close_event->accept();
895 }
896
897
898 void GuiView::dragEnterEvent(QDragEnterEvent * event)
899 {
900         if (event->mimeData()->hasUrls())
901                 event->accept();
902         /// \todo Ask lyx-devel is this is enough:
903         /// if (event->mimeData()->hasFormat("text/plain"))
904         ///     event->acceptProposedAction();
905 }
906
907
908 void GuiView::dropEvent(QDropEvent * event)
909 {
910         QList<QUrl> files = event->mimeData()->urls();
911         if (files.isEmpty())
912                 return;
913
914         LYXERR(Debug::GUI, "GuiView::dropEvent: got URLs!");
915         for (int i = 0; i != files.size(); ++i) {
916                 string const file = os::internal_path(fromqstr(
917                         files.at(i).toLocalFile()));
918                 if (file.empty())
919                         continue;
920
921                 string const ext = support::getExtension(file);
922                 vector<const Format *> found_formats;
923
924                 // Find all formats that have the correct extension.
925                 vector<const Format *> const & import_formats
926                         = theConverters().importableFormats();
927                 vector<const Format *>::const_iterator it = import_formats.begin();
928                 for (; it != import_formats.end(); ++it)
929                         if ((*it)->hasExtension(ext))
930                                 found_formats.push_back(*it);
931
932                 FuncRequest cmd;
933                 if (found_formats.size() >= 1) {
934                         if (found_formats.size() > 1) {
935                                 //FIXME: show a dialog to choose the correct importable format
936                                 LYXERR(Debug::FILES,
937                                         "Multiple importable formats found, selecting first");
938                         }
939                         string const arg = found_formats[0]->name() + " " + file;
940                         cmd = FuncRequest(LFUN_BUFFER_IMPORT, arg);
941                 }
942                 else {
943                         //FIXME: do we have to explicitly check whether it's a lyx file?
944                         LYXERR(Debug::FILES,
945                                 "No formats found, trying to open it as a lyx file");
946                         cmd = FuncRequest(LFUN_FILE_OPEN, file);
947                 }
948                 // add the functions to the queue
949                 guiApp->addToFuncRequestQueue(cmd);
950                 event->accept();
951         }
952         // now process the collected functions. We perform the events
953         // asynchronously. This prevents potential problems in case the
954         // BufferView is closed within an event.
955         guiApp->processFuncRequestQueueAsync();
956 }
957
958
959 void GuiView::message(docstring const & str)
960 {
961         if (ForkedProcess::iAmAChild())
962                 return;
963
964         // call is moved to GUI-thread by GuiProgress
965         d.progress_->appendMessage(toqstr(str));
966 }
967
968
969 void GuiView::clearMessageText()
970 {
971         message(docstring());
972 }
973
974
975 void GuiView::updateStatusBarMessage(QString const & str)
976 {
977         statusBar()->showMessage(str);
978         d.statusbar_timer_.stop();
979         d.statusbar_timer_.start(3000);
980 }
981
982
983 void GuiView::smallSizedIcons()
984 {
985         setIconSize(QSize(d.smallIconSize, d.smallIconSize));
986 }
987
988
989 void GuiView::normalSizedIcons()
990 {
991         setIconSize(QSize(d.normalIconSize, d.normalIconSize));
992 }
993
994
995 void GuiView::bigSizedIcons()
996 {
997         setIconSize(QSize(d.bigIconSize, d.bigIconSize));
998 }
999
1000
1001 void GuiView::clearMessage()
1002 {
1003         // FIXME: This code was introduced in r19643 to fix bug #4123. However,
1004         // the hasFocus function mostly returns false, even if the focus is on
1005         // a workarea in this view.
1006         //if (!hasFocus())
1007         //      return;
1008         showMessage();
1009         d.statusbar_timer_.stop();
1010 }
1011
1012
1013 void GuiView::updateWindowTitle(GuiWorkArea * wa)
1014 {
1015         if (wa != d.current_work_area_
1016                 || wa->bufferView().buffer().isInternal())
1017                 return;
1018         setWindowTitle(qt_("LyX: ") + wa->windowTitle());
1019         setWindowIconText(wa->windowIconText());
1020 }
1021
1022
1023 void GuiView::on_currentWorkAreaChanged(GuiWorkArea * wa)
1024 {
1025         QObject::disconnect(d.current_work_area_, SIGNAL(busy(bool)),
1026                 this, SLOT(setBusy(bool)));
1027         disconnectBuffer();
1028         disconnectBufferView();
1029         connectBufferView(wa->bufferView());
1030         connectBuffer(wa->bufferView().buffer());
1031         d.current_work_area_ = wa;
1032         QObject::connect(wa, SIGNAL(titleChanged(GuiWorkArea *)),
1033                 this, SLOT(updateWindowTitle(GuiWorkArea *)));
1034         QObject::connect(wa, SIGNAL(busy(bool)), this, SLOT(setBusy(bool)));
1035         updateWindowTitle(wa);
1036
1037         structureChanged();
1038
1039         // The document settings needs to be reinitialised.
1040         updateDialog("document", "");
1041
1042         // Buffer-dependent dialogs must be updated. This is done here because
1043         // some dialogs require buffer()->text.
1044         updateDialogs();
1045 }
1046
1047
1048 void GuiView::on_lastWorkAreaRemoved()
1049 {
1050         if (closing_)
1051                 // We already are in a close event. Nothing more to do.
1052                 return;
1053
1054         if (d.splitter_->count() > 1)
1055                 // We have a splitter so don't close anything.
1056                 return;
1057
1058         // Reset and updates the dialogs.
1059         d.toc_models_.reset(0);
1060         updateDialog("document", "");
1061         updateDialogs();
1062
1063         resetWindowTitleAndIconText();
1064         updateStatusBar();
1065
1066         if (lyxrc.open_buffers_in_tabs)
1067                 // Nothing more to do, the window should stay open.
1068                 return;
1069
1070         if (guiApp->viewIds().size() > 1) {
1071                 close();
1072                 return;
1073         }
1074
1075 #ifdef Q_WS_MACX
1076         // On Mac we also close the last window because the application stay
1077         // resident in memory. On other platforms we don't close the last
1078         // window because this would quit the application.
1079         close();
1080 #endif
1081 }
1082
1083
1084 void GuiView::updateStatusBar()
1085 {
1086         // let the user see the explicit message
1087         if (d.statusbar_timer_.isActive())
1088                 return;
1089
1090         showMessage();
1091 }
1092
1093
1094 void GuiView::showMessage()
1095 {
1096         QString msg = toqstr(theGuiApp()->viewStatusMessage());
1097         if (msg.isEmpty()) {
1098                 BufferView const * bv = currentBufferView();
1099                 if (bv)
1100                         msg = toqstr(bv->cursor().currentState());
1101                 else
1102                         msg = qt_("Welcome to LyX!");
1103         }
1104         statusBar()->showMessage(msg);
1105 }
1106
1107
1108 bool GuiView::event(QEvent * e)
1109 {
1110         switch (e->type())
1111         {
1112         // Useful debug code:
1113         //case QEvent::ActivationChange:
1114         //case QEvent::WindowDeactivate:
1115         //case QEvent::Paint:
1116         //case QEvent::Enter:
1117         //case QEvent::Leave:
1118         //case QEvent::HoverEnter:
1119         //case QEvent::HoverLeave:
1120         //case QEvent::HoverMove:
1121         //case QEvent::StatusTip:
1122         //case QEvent::DragEnter:
1123         //case QEvent::DragLeave:
1124         //case QEvent::Drop:
1125         //      break;
1126
1127         case QEvent::WindowActivate: {
1128                 GuiView * old_view = guiApp->currentView();
1129                 if (this == old_view) {
1130                         setFocus();
1131                         return QMainWindow::event(e);
1132                 }
1133                 if (old_view && old_view->currentBufferView()) {
1134                         // save current selection to the selection buffer to allow
1135                         // middle-button paste in this window.
1136                         cap::saveSelection(old_view->currentBufferView()->cursor());
1137                 }
1138                 guiApp->setCurrentView(this);
1139                 if (d.current_work_area_) {
1140                         BufferView & bv = d.current_work_area_->bufferView();
1141                         connectBufferView(bv);
1142                         connectBuffer(bv.buffer());
1143                         // The document structure, name and dialogs might have
1144                         // changed in another view.
1145                         structureChanged();
1146                         // The document settings needs to be reinitialised.
1147                         updateDialog("document", "");
1148                         updateDialogs();
1149                 } else {
1150                         resetWindowTitleAndIconText();
1151                 }
1152                 setFocus();
1153                 return QMainWindow::event(e);
1154         }
1155
1156         case QEvent::ShortcutOverride: {
1157
1158 // See bug 4888
1159 #if (!defined Q_WS_X11) || (QT_VERSION >= 0x040500)
1160                 if (isFullScreen() && menuBar()->isHidden()) {
1161                         QKeyEvent * ke = static_cast<QKeyEvent*>(e);
1162                         // FIXME: we should also try to detect special LyX shortcut such as
1163                         // Alt-P and Alt-M. Right now there is a hack in
1164                         // GuiWorkArea::processKeySym() that hides again the menubar for
1165                         // those cases.
1166                         if (ke->modifiers() & Qt::AltModifier && ke->key() != Qt::Key_Alt) {
1167                                 menuBar()->show();
1168                                 return QMainWindow::event(e);
1169                         }
1170                 }
1171 #endif
1172                 return QMainWindow::event(e);
1173         }
1174
1175         default:
1176                 return QMainWindow::event(e);
1177         }
1178 }
1179
1180 void GuiView::resetWindowTitleAndIconText()
1181 {
1182         setWindowTitle(qt_("LyX"));
1183         setWindowIconText(qt_("LyX"));
1184 }
1185
1186 bool GuiView::focusNextPrevChild(bool /*next*/)
1187 {
1188         setFocus();
1189         return true;
1190 }
1191
1192
1193 bool GuiView::busy() const
1194 {
1195         return busy_ > 0;
1196 }
1197
1198
1199 void GuiView::setBusy(bool busy)
1200 {
1201         bool const busy_before = busy_ > 0;
1202         busy ? ++busy_ : --busy_;
1203         if ((busy_ > 0) == busy_before)
1204                 // busy state didn't change
1205                 return;
1206
1207         if (busy) {
1208                 QApplication::setOverrideCursor(Qt::WaitCursor);
1209                 return;
1210         }
1211         QApplication::restoreOverrideCursor();
1212         updateLayoutList();     
1213 }
1214
1215
1216 GuiWorkArea * GuiView::workArea(int index)
1217 {
1218         if (TabWorkArea * twa = d.currentTabWorkArea())
1219                 if (index < twa->count())
1220                         return dynamic_cast<GuiWorkArea *>(twa->widget(index));
1221         return 0;
1222 }
1223
1224
1225 GuiWorkArea * GuiView::workArea(Buffer & buffer)
1226 {
1227         if (currentWorkArea()
1228                 && &currentWorkArea()->bufferView().buffer() == &buffer)
1229                 return (GuiWorkArea *) currentWorkArea();
1230         if (TabWorkArea * twa = d.currentTabWorkArea())
1231                 return twa->workArea(buffer);
1232         return 0;
1233 }
1234
1235
1236 GuiWorkArea * GuiView::addWorkArea(Buffer & buffer)
1237 {
1238         // Automatically create a TabWorkArea if there are none yet.
1239         TabWorkArea * tab_widget = d.splitter_->count()
1240                 ? d.currentTabWorkArea() : addTabWorkArea();
1241         return tab_widget->addWorkArea(buffer, *this);
1242 }
1243
1244
1245 TabWorkArea * GuiView::addTabWorkArea()
1246 {
1247         TabWorkArea * twa = new TabWorkArea;
1248         QObject::connect(twa, SIGNAL(currentWorkAreaChanged(GuiWorkArea *)),
1249                 this, SLOT(on_currentWorkAreaChanged(GuiWorkArea *)));
1250         QObject::connect(twa, SIGNAL(lastWorkAreaRemoved()),
1251                          this, SLOT(on_lastWorkAreaRemoved()));
1252
1253         d.splitter_->addWidget(twa);
1254         d.stack_widget_->setCurrentWidget(d.splitter_);
1255         return twa;
1256 }
1257
1258
1259 GuiWorkArea const * GuiView::currentWorkArea() const
1260 {
1261         return d.current_work_area_;
1262 }
1263
1264
1265 GuiWorkArea * GuiView::currentWorkArea()
1266 {
1267         return d.current_work_area_;
1268 }
1269
1270
1271 GuiWorkArea const * GuiView::currentMainWorkArea() const
1272 {
1273         if (!d.currentTabWorkArea())
1274                 return 0;
1275         return d.currentTabWorkArea()->currentWorkArea();
1276 }
1277
1278
1279 GuiWorkArea * GuiView::currentMainWorkArea()
1280 {
1281         if (!d.currentTabWorkArea())
1282                 return 0;
1283         return d.currentTabWorkArea()->currentWorkArea();
1284 }
1285
1286
1287 void GuiView::setCurrentWorkArea(GuiWorkArea * wa)
1288 {
1289         LYXERR(Debug::DEBUG, "Setting current wa: " << wa << endl);
1290         if (!wa) {
1291                 d.current_work_area_ = 0;
1292                 d.setBackground();
1293                 return;
1294         }
1295
1296         // FIXME: I've no clue why this is here and why it accesses
1297         //  theGuiApp()->currentView, which might be 0 (bug 6464).
1298         //  See also 27525 (vfr).
1299         if (theGuiApp()->currentView() == this
1300                   && theGuiApp()->currentView()->currentWorkArea() == wa)
1301                 return;
1302
1303         if (currentBufferView())
1304                 cap::saveSelection(currentBufferView()->cursor());
1305
1306         theGuiApp()->setCurrentView(this);
1307         d.current_work_area_ = wa;
1308         
1309         // We need to reset this now, because it will need to be
1310         // right if the tabWorkArea gets reset in the for loop. We
1311         // will change it back if we aren't in that case.
1312         GuiWorkArea * const old_cmwa = d.current_main_work_area_;
1313         d.current_main_work_area_ = wa;
1314
1315         for (int i = 0; i != d.splitter_->count(); ++i) {
1316                 if (d.tabWorkArea(i)->setCurrentWorkArea(wa)) {
1317                         LYXERR(Debug::DEBUG, "Current wa: " << currentWorkArea() 
1318                                 << ", Current main wa: " << currentMainWorkArea());
1319                         return;
1320                 }
1321         }
1322         
1323         d.current_main_work_area_ = old_cmwa;
1324         
1325         LYXERR(Debug::DEBUG, "This is not a tabbed wa");
1326         on_currentWorkAreaChanged(wa);
1327         BufferView & bv = wa->bufferView();
1328         bv.cursor().fixIfBroken();
1329         bv.updateMetrics();
1330         wa->setUpdatesEnabled(true);
1331         LYXERR(Debug::DEBUG, "Current wa: " << currentWorkArea() << ", Current main wa: " << currentMainWorkArea());
1332 }
1333
1334
1335 void GuiView::removeWorkArea(GuiWorkArea * wa)
1336 {
1337         LASSERT(wa, return);
1338         if (wa == d.current_work_area_) {
1339                 disconnectBuffer();
1340                 disconnectBufferView();
1341                 d.current_work_area_ = 0;
1342                 d.current_main_work_area_ = 0;
1343         }
1344
1345         bool found_twa = false;
1346         for (int i = 0; i != d.splitter_->count(); ++i) {
1347                 TabWorkArea * twa = d.tabWorkArea(i);
1348                 if (twa->removeWorkArea(wa)) {
1349                         // Found in this tab group, and deleted the GuiWorkArea.
1350                         found_twa = true;
1351                         if (twa->count() != 0) {
1352                                 if (d.current_work_area_ == 0)
1353                                         // This means that we are closing the current GuiWorkArea, so
1354                                         // switch to the next GuiWorkArea in the found TabWorkArea.
1355                                         setCurrentWorkArea(twa->currentWorkArea());
1356                         } else {
1357                                 // No more WorkAreas in this tab group, so delete it.
1358                                 delete twa;
1359                         }
1360                         break;
1361                 }
1362         }
1363
1364         // It is not a tabbed work area (i.e., the search work area), so it
1365         // should be deleted by other means.
1366         LASSERT(found_twa, /* */);
1367
1368         if (d.current_work_area_ == 0) {
1369                 if (d.splitter_->count() != 0) {
1370                         TabWorkArea * twa = d.currentTabWorkArea();
1371                         setCurrentWorkArea(twa->currentWorkArea());
1372                 } else {
1373                         // No more work areas, switch to the background widget.
1374                         setCurrentWorkArea(0);
1375                 }
1376         }
1377 }
1378
1379
1380 LayoutBox * GuiView::getLayoutDialog() const
1381 {
1382         return d.layout_;
1383 }
1384
1385
1386 void GuiView::updateLayoutList()
1387 {
1388         if (d.layout_)
1389                 d.layout_->updateContents(false);
1390 }
1391
1392
1393 void GuiView::updateToolbars()
1394 {
1395         ToolbarMap::iterator end = d.toolbars_.end();
1396         if (d.current_work_area_) {
1397                 bool const math =
1398                         d.current_work_area_->bufferView().cursor().inMathed()
1399                         && !d.current_work_area_->bufferView().cursor().inRegexped();
1400                 bool const table =
1401                         lyx::getStatus(FuncRequest(LFUN_LAYOUT_TABULAR)).enabled();
1402                 bool const review =
1403                         lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).enabled() &&
1404                         lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).onOff(true);
1405                 bool const mathmacrotemplate =
1406                         lyx::getStatus(FuncRequest(LFUN_IN_MATHMACROTEMPLATE)).enabled();
1407
1408                 for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
1409                         it->second->update(math, table, review, mathmacrotemplate);
1410         } else
1411                 for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
1412                         it->second->update(false, false, false, false);
1413 }
1414
1415
1416 void GuiView::setBuffer(Buffer * newBuffer)
1417 {
1418         LYXERR(Debug::DEBUG, "Setting buffer: " << newBuffer << endl);
1419         LASSERT(newBuffer, return);
1420         
1421         GuiWorkArea * wa = workArea(*newBuffer);
1422         if (wa == 0) {
1423                 setBusy(true);
1424                 newBuffer->masterBuffer()->updateBuffer();
1425                 setBusy(false);
1426                 wa = addWorkArea(*newBuffer);
1427                 // scroll to the position when the BufferView was last closed
1428                 if (lyxrc.use_lastfilepos) {
1429                         LastFilePosSection::FilePos filepos =
1430                                 theSession().lastFilePos().load(newBuffer->fileName());
1431                         wa->bufferView().moveToPosition(filepos.pit, filepos.pos, 0, 0);
1432                 }
1433         } else {
1434                 //Disconnect the old buffer...there's no new one.
1435                 disconnectBuffer();
1436         }
1437         connectBuffer(*newBuffer);
1438         connectBufferView(wa->bufferView());
1439         setCurrentWorkArea(wa);
1440 }
1441
1442
1443 void GuiView::connectBuffer(Buffer & buf)
1444 {
1445         buf.setGuiDelegate(this);
1446 }
1447
1448
1449 void GuiView::disconnectBuffer()
1450 {
1451         if (d.current_work_area_)
1452                 d.current_work_area_->bufferView().buffer().setGuiDelegate(0);
1453 }
1454
1455
1456 void GuiView::connectBufferView(BufferView & bv)
1457 {
1458         bv.setGuiDelegate(this);
1459 }
1460
1461
1462 void GuiView::disconnectBufferView()
1463 {
1464         if (d.current_work_area_)
1465                 d.current_work_area_->bufferView().setGuiDelegate(0);
1466 }
1467
1468
1469 void GuiView::errors(string const & error_type, bool from_master)
1470 {
1471         BufferView const * const bv = currentBufferView();
1472         if (!bv)
1473                 return;
1474
1475 #if EXPORT_in_THREAD && (QT_VERSION >= 0x040400)
1476         // We are called with from_master == false by default, so we
1477         // have to figure out whether that is the case or not.
1478         ErrorList & el = bv->buffer().errorList(error_type);
1479         if (el.empty()) {
1480             el = bv->buffer().masterBuffer()->errorList(error_type);
1481             from_master = true;
1482         }
1483 #else
1484         ErrorList const & el = from_master ?
1485                 bv->buffer().masterBuffer()->errorList(error_type) :
1486                 bv->buffer().errorList(error_type);
1487 #endif
1488
1489         if (el.empty())
1490                 return;
1491
1492         string data = error_type;
1493         if (from_master)
1494                 data = "from_master|" + error_type;
1495         showDialog("errorlist", data);
1496 }
1497
1498
1499 void GuiView::updateTocItem(string const & type, DocIterator const & dit)
1500 {
1501         d.toc_models_.updateItem(toqstr(type), dit);
1502 }
1503
1504
1505 void GuiView::structureChanged()
1506 {
1507         d.toc_models_.reset(documentBufferView());
1508         // Navigator needs more than a simple update in this case. It needs to be
1509         // rebuilt.
1510         updateDialog("toc", "");
1511 }
1512
1513
1514 void GuiView::updateDialog(string const & name, string const & data)
1515 {
1516         if (!isDialogVisible(name))
1517                 return;
1518
1519         map<string, DialogPtr>::const_iterator it = d.dialogs_.find(name);
1520         if (it == d.dialogs_.end())
1521                 return;
1522
1523         Dialog * const dialog = it->second.get();
1524         if (dialog->isVisibleView())
1525                 dialog->initialiseParams(data);
1526 }
1527
1528
1529 BufferView * GuiView::documentBufferView()
1530 {
1531         return currentMainWorkArea()
1532                 ? &currentMainWorkArea()->bufferView()
1533                 : 0;
1534 }
1535
1536
1537 BufferView const * GuiView::documentBufferView() const
1538 {
1539         return currentMainWorkArea()
1540                 ? &currentMainWorkArea()->bufferView()
1541                 : 0;
1542 }
1543
1544
1545 BufferView * GuiView::currentBufferView()
1546 {
1547         return d.current_work_area_ ? &d.current_work_area_->bufferView() : 0;
1548 }
1549
1550
1551 BufferView const * GuiView::currentBufferView() const
1552 {
1553         return d.current_work_area_ ? &d.current_work_area_->bufferView() : 0;
1554 }
1555
1556
1557 #if (QT_VERSION >= 0x040400)
1558 docstring GuiView::GuiViewPrivate::autosaveAndDestroy(
1559         Buffer const * orig, Buffer * buffer)
1560 {
1561         bool const success = buffer->autoSave();
1562         delete buffer;
1563         busyBuffers.remove(orig);
1564         return success
1565                 ? _("Automatic save done.")
1566                 : _("Automatic save failed!");
1567 }
1568 #endif
1569
1570
1571 void GuiView::autoSave()
1572 {
1573         LYXERR(Debug::INFO, "Running autoSave()");
1574
1575         Buffer * buffer = documentBufferView()
1576                 ? &documentBufferView()->buffer() : 0;
1577         if (!buffer) {
1578                 resetAutosaveTimers();
1579                 return;
1580         }
1581
1582 #if (QT_VERSION >= 0x040400)
1583         GuiViewPrivate::busyBuffers.insert(buffer);
1584         QFuture<docstring> f = QtConcurrent::run(GuiViewPrivate::autosaveAndDestroy,
1585                 buffer, buffer->clone());
1586         d.autosave_watcher_.setFuture(f);
1587 #else
1588         buffer->autoSave();
1589 #endif
1590         resetAutosaveTimers();
1591 }
1592
1593
1594 void GuiView::resetAutosaveTimers()
1595 {
1596         if (lyxrc.autosave)
1597                 d.autosave_timeout_.restart();
1598 }
1599
1600
1601 bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
1602 {
1603         bool enable = true;
1604         Buffer * buf = currentBufferView()
1605                 ? &currentBufferView()->buffer() : 0;
1606         Buffer * doc_buffer = documentBufferView()
1607                 ? &(documentBufferView()->buffer()) : 0;
1608
1609         // Check whether we need a buffer
1610         if (!lyxaction.funcHasFlag(cmd.action(), LyXAction::NoBuffer) && !buf) {
1611                 // no, exit directly
1612                 flag.message(from_utf8(N_("Command not allowed with"
1613                                         "out any document open")));
1614                 flag.setEnabled(false);
1615                 return true;
1616         }
1617
1618         if (cmd.origin() == FuncRequest::TOC) {
1619                 GuiToc * toc = static_cast<GuiToc*>(findOrBuild("toc", false));
1620                 if (!toc || !toc->getStatus(documentBufferView()->cursor(), cmd, flag))
1621                         flag.setEnabled(false);
1622                 return true;
1623         }
1624
1625         switch(cmd.action()) {
1626         case LFUN_BUFFER_IMPORT:
1627                 break;
1628
1629         case LFUN_MASTER_BUFFER_UPDATE:
1630         case LFUN_MASTER_BUFFER_VIEW:
1631                 enable = doc_buffer && doc_buffer->parent() != 0
1632                         && !d.processing_thread_watcher_.isRunning();
1633                 break;
1634
1635         case LFUN_BUFFER_UPDATE:
1636         case LFUN_BUFFER_VIEW: {
1637                 if (!doc_buffer || d.processing_thread_watcher_.isRunning()) {
1638                         enable = false;
1639                         break;
1640                 }
1641                 string format = to_utf8(cmd.argument());
1642                 if (cmd.argument().empty())
1643                         format = doc_buffer->params().getDefaultOutputFormat();
1644                 enable = doc_buffer->params().isExportableFormat(format);
1645                 break;
1646         }
1647
1648         case LFUN_BUFFER_RELOAD:
1649                 enable = doc_buffer && !doc_buffer->isUnnamed()
1650                         && doc_buffer->fileName().exists()
1651                         && (!doc_buffer->isClean()
1652                            || doc_buffer->isExternallyModified(Buffer::timestamp_method));
1653                 break;
1654
1655         case LFUN_BUFFER_CHILD_OPEN:
1656                 enable = doc_buffer;
1657                 break;
1658
1659         case LFUN_BUFFER_WRITE:
1660                 enable = doc_buffer && (doc_buffer->isUnnamed() || !doc_buffer->isClean());
1661                 break;
1662
1663         //FIXME: This LFUN should be moved to GuiApplication.
1664         case LFUN_BUFFER_WRITE_ALL: {
1665                 // We enable the command only if there are some modified buffers
1666                 Buffer * first = theBufferList().first();
1667                 enable = false;
1668                 if (!first)
1669                         break;
1670                 Buffer * b = first;
1671                 // We cannot use a for loop as the buffer list is a cycle.
1672                 do {
1673                         if (!b->isClean()) {
1674                                 enable = true;
1675                                 break;
1676                         }
1677                         b = theBufferList().next(b);
1678                 } while (b != first);
1679                 break;
1680         }
1681
1682         case LFUN_BUFFER_WRITE_AS:
1683         case LFUN_BUFFER_EXPORT_AS:
1684                 enable = doc_buffer;
1685                 break;
1686
1687         case LFUN_BUFFER_CLOSE:
1688                 enable = doc_buffer;
1689                 break;
1690
1691         case LFUN_BUFFER_CLOSE_ALL:
1692                 enable = theBufferList().last() != theBufferList().first();
1693                 break;
1694
1695         case LFUN_SPLIT_VIEW:
1696                 if (cmd.getArg(0) == "vertical")
1697                         enable = doc_buffer && (d.splitter_->count() == 1 ||
1698                                          d.splitter_->orientation() == Qt::Vertical);
1699                 else
1700                         enable = doc_buffer && (d.splitter_->count() == 1 ||
1701                                          d.splitter_->orientation() == Qt::Horizontal);
1702                 break;
1703
1704         case LFUN_CLOSE_TAB_GROUP:
1705                 enable = d.currentTabWorkArea();
1706                 break;
1707
1708         case LFUN_TOOLBAR_TOGGLE: {
1709                 string const name = cmd.getArg(0);
1710                 if (GuiToolbar * t = toolbar(name))
1711                         flag.setOnOff(t->isVisible());
1712                 else {
1713                         enable = false;
1714                         docstring const msg =
1715                                 bformat(_("Unknown toolbar \"%1$s\""), from_utf8(name));
1716                         flag.message(msg);
1717                 }
1718                 break;
1719         }
1720
1721         case LFUN_DROP_LAYOUTS_CHOICE:
1722                 enable = buf;
1723                 break;
1724
1725         case LFUN_UI_TOGGLE:
1726                 flag.setOnOff(isFullScreen());
1727                 break;
1728
1729         case LFUN_DIALOG_DISCONNECT_INSET:
1730                 break;
1731
1732         case LFUN_DIALOG_HIDE:
1733                 // FIXME: should we check if the dialog is shown?
1734                 break;
1735
1736         case LFUN_DIALOG_TOGGLE:
1737                 flag.setOnOff(isDialogVisible(cmd.getArg(0)));
1738                 // fall through to set "enable"
1739         case LFUN_DIALOG_SHOW: {
1740                 string const name = cmd.getArg(0);
1741                 if (!doc_buffer)
1742                         enable = name == "aboutlyx"
1743                                 || name == "file" //FIXME: should be removed.
1744                                 || name == "prefs"
1745                                 || name == "texinfo"
1746                                 || name == "progress"
1747                                 || name == "compare";
1748                 else if (name == "print")
1749                         enable = doc_buffer->params().isExportable("dvi")
1750                                 && lyxrc.print_command != "none";
1751                 else if (name == "character" || name == "symbols") {
1752                         if (!buf || buf->isReadonly())
1753                                 enable = false;
1754                         else {
1755                                 Cursor const & cur = currentBufferView()->cursor();
1756                                 enable = !(cur.inTexted() && cur.paragraph().isPassThru());
1757                         }
1758                 }
1759                 else if (name == "latexlog")
1760                         enable = FileName(doc_buffer->logName()).isReadableFile();
1761                 else if (name == "spellchecker")
1762                         enable = theSpellChecker() && !doc_buffer->isReadonly();
1763                 else if (name == "vclog")
1764                         enable = doc_buffer->lyxvc().inUse();
1765                 break;
1766         }
1767
1768         case LFUN_DIALOG_UPDATE: {
1769                 string const name = cmd.getArg(0);
1770                 if (!buf)
1771                         enable = name == "prefs";
1772                 break;
1773         }
1774
1775         case LFUN_COMMAND_EXECUTE:
1776         case LFUN_MESSAGE:
1777         case LFUN_MENU_OPEN:
1778                 // Nothing to check.
1779                 break;
1780
1781         case LFUN_COMPLETION_INLINE:
1782                 if (!d.current_work_area_
1783                         || !d.current_work_area_->completer().inlinePossible(
1784                         currentBufferView()->cursor()))
1785                         enable = false;
1786                 break;
1787
1788         case LFUN_COMPLETION_POPUP:
1789                 if (!d.current_work_area_
1790                         || !d.current_work_area_->completer().popupPossible(
1791                         currentBufferView()->cursor()))
1792                         enable = false;
1793                 break;
1794
1795         case LFUN_COMPLETION_COMPLETE:
1796                 if (!d.current_work_area_
1797                         || !d.current_work_area_->completer().inlinePossible(
1798                         currentBufferView()->cursor()))
1799                         enable = false;
1800                 break;
1801
1802         case LFUN_COMPLETION_ACCEPT:
1803                 if (!d.current_work_area_
1804                         || (!d.current_work_area_->completer().popupVisible()
1805                         && !d.current_work_area_->completer().inlineVisible()
1806                         && !d.current_work_area_->completer().completionAvailable()))
1807                         enable = false;
1808                 break;
1809
1810         case LFUN_COMPLETION_CANCEL:
1811                 if (!d.current_work_area_
1812                         || (!d.current_work_area_->completer().popupVisible()
1813                         && !d.current_work_area_->completer().inlineVisible()))
1814                         enable = false;
1815                 break;
1816
1817         case LFUN_BUFFER_ZOOM_OUT:
1818                 enable = doc_buffer && lyxrc.zoom > 10;
1819                 break;
1820
1821         case LFUN_BUFFER_ZOOM_IN:
1822                 enable = doc_buffer;
1823                 break;
1824
1825         case LFUN_BUFFER_NEXT:
1826         case LFUN_BUFFER_PREVIOUS:
1827                 // FIXME: should we check is there is an previous or next buffer?
1828                 break;
1829         case LFUN_BUFFER_SWITCH:
1830                 // toggle on the current buffer, but do not toggle off
1831                 // the other ones (is that a good idea?)
1832                 if (doc_buffer
1833                         && to_utf8(cmd.argument()) == doc_buffer->absFileName())
1834                         flag.setOnOff(true);
1835                 break;
1836
1837         case LFUN_VC_REGISTER:
1838                 enable = doc_buffer && !doc_buffer->lyxvc().inUse();
1839                 break;
1840         case LFUN_VC_CHECK_IN:
1841                 enable = doc_buffer && doc_buffer->lyxvc().checkInEnabled();
1842                 break;
1843         case LFUN_VC_CHECK_OUT:
1844                 enable = doc_buffer && doc_buffer->lyxvc().checkOutEnabled();
1845                 break;
1846         case LFUN_VC_LOCKING_TOGGLE:
1847                 enable = doc_buffer && !doc_buffer->isReadonly()
1848                         && doc_buffer->lyxvc().lockingToggleEnabled();
1849                 flag.setOnOff(enable && doc_buffer->lyxvc().locking());
1850                 break;
1851         case LFUN_VC_REVERT:
1852                 enable = doc_buffer && doc_buffer->lyxvc().inUse() && !doc_buffer->isReadonly();
1853                 break;
1854         case LFUN_VC_UNDO_LAST:
1855                 enable = doc_buffer && doc_buffer->lyxvc().undoLastEnabled();
1856                 break;
1857         case LFUN_VC_REPO_UPDATE:
1858                 enable = doc_buffer && doc_buffer->lyxvc().repoUpdateEnabled();
1859                 break;
1860         case LFUN_VC_COMMAND: {
1861                 if (cmd.argument().empty())
1862                         enable = false;
1863                 if (!doc_buffer && contains(cmd.getArg(0), 'D'))
1864                         enable = false;
1865                 break;
1866         }
1867         case LFUN_VC_COMPARE:
1868                 enable = doc_buffer && doc_buffer->lyxvc().prepareFileRevisionEnabled();
1869                 break;
1870
1871         case LFUN_SERVER_GOTO_FILE_ROW:
1872                 break;
1873         case LFUN_FORWARD_SEARCH:
1874                 enable = !(lyxrc.forward_search_dvi.empty() && lyxrc.forward_search_pdf.empty());
1875                 break;
1876
1877         default:
1878                 return false;
1879         }
1880
1881         if (!enable)
1882                 flag.setEnabled(false);
1883
1884         return true;
1885 }
1886
1887
1888 static FileName selectTemplateFile()
1889 {
1890         FileDialog dlg(qt_("Select template file"));
1891         dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1892         dlg.setButton2(qt_("Templates|#T#t"), toqstr(lyxrc.template_path));
1893
1894         FileDialog::Result result = dlg.open(toqstr(lyxrc.template_path),
1895                                  QStringList(qt_("LyX Documents (*.lyx)")));
1896
1897         if (result.first == FileDialog::Later)
1898                 return FileName();
1899         if (result.second.isEmpty())
1900                 return FileName();
1901         return FileName(fromqstr(result.second));
1902 }
1903
1904
1905 Buffer * GuiView::loadDocument(FileName const & filename, bool tolastfiles)
1906 {
1907         setBusy(true);
1908
1909         Buffer * newBuffer = 0;
1910         try {
1911                 newBuffer = checkAndLoadLyXFile(filename);
1912         } catch (ExceptionMessage const & e) {
1913                 setBusy(false);
1914                 throw(e);
1915         }
1916         setBusy(false);
1917
1918         if (!newBuffer) {
1919                 message(_("Document not loaded."));
1920                 return 0;
1921         }
1922
1923         setBuffer(newBuffer);
1924         newBuffer->errors("Parse");
1925
1926         if (tolastfiles)
1927                 theSession().lastFiles().add(filename);
1928
1929         return newBuffer;
1930 }
1931
1932
1933 void GuiView::openDocument(string const & fname)
1934 {
1935         string initpath = lyxrc.document_path;
1936
1937         if (documentBufferView()) {
1938                 string const trypath = documentBufferView()->buffer().filePath();
1939                 // If directory is writeable, use this as default.
1940                 if (FileName(trypath).isDirWritable())
1941                         initpath = trypath;
1942         }
1943
1944         string filename;
1945
1946         if (fname.empty()) {
1947                 FileDialog dlg(qt_("Select document to open"), LFUN_FILE_OPEN);
1948                 dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1949                 dlg.setButton2(qt_("Examples|#E#e"),
1950                                 toqstr(addPath(package().system_support().absFileName(), "examples")));
1951
1952                 QStringList filter(qt_("LyX Documents (*.lyx)"));
1953                 filter << qt_("LyX-1.3.x Documents (*.lyx13)")
1954                         << qt_("LyX-1.4.x Documents (*.lyx14)")
1955                         << qt_("LyX-1.5.x Documents (*.lyx15)")
1956                         << qt_("LyX-1.6.x Documents (*.lyx16)");
1957                 FileDialog::Result result =
1958                         dlg.open(toqstr(initpath), filter);
1959
1960                 if (result.first == FileDialog::Later)
1961                         return;
1962
1963                 filename = fromqstr(result.second);
1964
1965                 // check selected filename
1966                 if (filename.empty()) {
1967                         message(_("Canceled."));
1968                         return;
1969                 }
1970         } else
1971                 filename = fname;
1972
1973         // get absolute path of file and add ".lyx" to the filename if
1974         // necessary.
1975         FileName const fullname =
1976                         fileSearch(string(), filename, "lyx", support::may_not_exist);
1977         if (!fullname.empty())
1978                 filename = fullname.absFileName();
1979
1980         if (!fullname.onlyPath().isDirectory()) {
1981                 Alert::warning(_("Invalid filename"),
1982                                 bformat(_("The directory in the given path\n%1$s\ndoes not exist."),
1983                                 from_utf8(fullname.absFileName())));
1984                 return;
1985         }
1986
1987         // if the file doesn't exist and isn't already open (bug 6645),
1988         // let the user create one
1989         if (!fullname.exists() && !theBufferList().exists(fullname)) {
1990                 // the user specifically chose this name. Believe him.
1991                 Buffer * const b = newFile(filename, string(), true);
1992                 if (b)
1993                         setBuffer(b);
1994                 return;
1995         }
1996
1997         docstring const disp_fn = makeDisplayPath(filename);
1998         message(bformat(_("Opening document %1$s..."), disp_fn));
1999
2000         docstring str2;
2001         Buffer * buf = loadDocument(fullname);
2002         if (buf) {
2003                 str2 = bformat(_("Document %1$s opened."), disp_fn);
2004                 if (buf->lyxvc().inUse())
2005                         str2 += " " + from_utf8(buf->lyxvc().versionString()) +
2006                                 " " + _("Version control detected.");
2007         } else {
2008                 str2 = bformat(_("Could not open document %1$s"), disp_fn);
2009         }
2010         message(str2);
2011 }
2012
2013 // FIXME: clean that
2014 static bool import(GuiView * lv, FileName const & filename,
2015         string const & format, ErrorList & errorList)
2016 {
2017         FileName const lyxfile(support::changeExtension(filename.absFileName(), ".lyx"));
2018
2019         string loader_format;
2020         vector<string> loaders = theConverters().loaders();
2021         if (find(loaders.begin(), loaders.end(), format) == loaders.end()) {
2022                 for (vector<string>::const_iterator it = loaders.begin();
2023                          it != loaders.end(); ++it) {
2024                         if (!theConverters().isReachable(format, *it))
2025                                 continue;
2026
2027                         string const tofile =
2028                                 support::changeExtension(filename.absFileName(),
2029                                 formats.extension(*it));
2030                         if (!theConverters().convert(0, filename, FileName(tofile),
2031                                 filename, format, *it, errorList))
2032                                 return false;
2033                         loader_format = *it;
2034                         break;
2035                 }
2036                 if (loader_format.empty()) {
2037                         frontend::Alert::error(_("Couldn't import file"),
2038                                          bformat(_("No information for importing the format %1$s."),
2039                                          formats.prettyName(format)));
2040                         return false;
2041                 }
2042         } else
2043                 loader_format = format;
2044
2045         if (loader_format == "lyx") {
2046                 Buffer * buf = lv->loadDocument(lyxfile);
2047                 if (!buf)
2048                         return false;
2049         } else {
2050                 Buffer * const b = newFile(lyxfile.absFileName(), string(), true);
2051                 if (!b)
2052                         return false;
2053                 lv->setBuffer(b);
2054                 bool as_paragraphs = loader_format == "textparagraph";
2055                 string filename2 = (loader_format == format) ? filename.absFileName()
2056                         : support::changeExtension(filename.absFileName(),
2057                                           formats.extension(loader_format));
2058                 lv->currentBufferView()->insertPlaintextFile(FileName(filename2),
2059                         as_paragraphs);
2060                 guiApp->setCurrentView(lv);
2061                 lyx::dispatch(FuncRequest(LFUN_MARK_OFF));
2062         }
2063
2064         return true;
2065 }
2066
2067
2068 void GuiView::importDocument(string const & argument)
2069 {
2070         string format;
2071         string filename = split(argument, format, ' ');
2072
2073         LYXERR(Debug::INFO, format << " file: " << filename);
2074
2075         // need user interaction
2076         if (filename.empty()) {
2077                 string initpath = lyxrc.document_path;
2078                 if (documentBufferView()) {
2079                         string const trypath = documentBufferView()->buffer().filePath();
2080                         // If directory is writeable, use this as default.
2081                         if (FileName(trypath).isDirWritable())
2082                                 initpath = trypath;
2083                 }
2084
2085                 docstring const text = bformat(_("Select %1$s file to import"),
2086                         formats.prettyName(format));
2087
2088                 FileDialog dlg(toqstr(text), LFUN_BUFFER_IMPORT);
2089                 dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
2090                 dlg.setButton2(qt_("Examples|#E#e"),
2091                         toqstr(addPath(package().system_support().absFileName(), "examples")));
2092
2093                 docstring filter = formats.prettyName(format);
2094                 filter += " (*.{";
2095                 // FIXME UNICODE
2096                 filter += from_utf8(formats.extensions(format));
2097                 filter += "})";
2098
2099                 FileDialog::Result result =
2100                         dlg.open(toqstr(initpath), fileFilters(toqstr(filter)));
2101
2102                 if (result.first == FileDialog::Later)
2103                         return;
2104
2105                 filename = fromqstr(result.second);
2106
2107                 // check selected filename
2108                 if (filename.empty())
2109                         message(_("Canceled."));
2110         }
2111
2112         if (filename.empty())
2113                 return;
2114
2115         // get absolute path of file
2116         FileName const fullname(support::makeAbsPath(filename));
2117
2118         FileName const lyxfile(support::changeExtension(fullname.absFileName(), ".lyx"));
2119
2120         // Check if the document already is open
2121         Buffer * buf = theBufferList().getBuffer(lyxfile);
2122         if (buf) {
2123                 setBuffer(buf);
2124                 if (!closeBuffer()) {
2125                         message(_("Canceled."));
2126                         return;
2127                 }
2128         }
2129
2130         docstring const displaypath = makeDisplayPath(lyxfile.absFileName(), 30);
2131
2132         // if the file exists already, and we didn't do
2133         // -i lyx thefile.lyx, warn
2134         if (lyxfile.exists() && fullname != lyxfile) {
2135
2136                 docstring text = bformat(_("The document %1$s already exists.\n\n"
2137                         "Do you want to overwrite that document?"), displaypath);
2138                 int const ret = Alert::prompt(_("Overwrite document?"),
2139                         text, 0, 1, _("&Overwrite"), _("&Cancel"));
2140
2141                 if (ret == 1) {
2142                         message(_("Canceled."));
2143                         return;
2144                 }
2145         }
2146
2147         message(bformat(_("Importing %1$s..."), displaypath));
2148         ErrorList errorList;
2149         if (import(this, fullname, format, errorList))
2150                 message(_("imported."));
2151         else
2152                 message(_("file not imported!"));
2153
2154         // FIXME (Abdel 12/08/06): Is there a need to display the error list here?
2155 }
2156
2157
2158 void GuiView::newDocument(string const & filename, bool from_template)
2159 {
2160         FileName initpath(lyxrc.document_path);
2161         if (documentBufferView()) {
2162                 FileName const trypath(documentBufferView()->buffer().filePath());
2163                 // If directory is writeable, use this as default.
2164                 if (trypath.isDirWritable())
2165                         initpath = trypath;
2166         }
2167
2168         string templatefile;
2169         if (from_template) {
2170                 templatefile = selectTemplateFile().absFileName();
2171                 if (templatefile.empty())
2172                         return;
2173         }
2174
2175         Buffer * b;
2176         if (filename.empty())
2177                 b = newUnnamedFile(initpath, to_utf8(_("newfile")), templatefile);
2178         else
2179                 b = newFile(filename, templatefile, true);
2180
2181         if (b)
2182                 setBuffer(b);
2183
2184         // If no new document could be created, it is unsure
2185         // whether there is a valid BufferView.
2186         if (currentBufferView())
2187                 // Ensure the cursor is correctly positioned on screen.
2188                 currentBufferView()->showCursor();
2189 }
2190
2191
2192 void GuiView::insertLyXFile(docstring const & fname)
2193 {
2194         BufferView * bv = documentBufferView();
2195         if (!bv)
2196                 return;
2197
2198         // FIXME UNICODE
2199         FileName filename(to_utf8(fname));
2200         if (filename.empty()) {
2201                 // Launch a file browser
2202                 // FIXME UNICODE
2203                 string initpath = lyxrc.document_path;
2204                 string const trypath = bv->buffer().filePath();
2205                 // If directory is writeable, use this as default.
2206                 if (FileName(trypath).isDirWritable())
2207                         initpath = trypath;
2208
2209                 // FIXME UNICODE
2210                 FileDialog dlg(qt_("Select LyX document to insert"), LFUN_FILE_INSERT);
2211                 dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
2212                 dlg.setButton2(qt_("Examples|#E#e"),
2213                         toqstr(addPath(package().system_support().absFileName(),
2214                         "examples")));
2215
2216                 FileDialog::Result result = dlg.open(toqstr(initpath),
2217                                          QStringList(qt_("LyX Documents (*.lyx)")));
2218
2219                 if (result.first == FileDialog::Later)
2220                         return;
2221
2222                 // FIXME UNICODE
2223                 filename.set(fromqstr(result.second));
2224
2225                 // check selected filename
2226                 if (filename.empty()) {
2227                         // emit message signal.
2228                         message(_("Canceled."));
2229                         return;
2230                 }
2231         }
2232
2233         bv->insertLyXFile(filename);
2234         bv->buffer().errors("Parse");
2235 }
2236
2237
2238 void GuiView::insertPlaintextFile(docstring const & fname,
2239         bool asParagraph)
2240 {
2241         BufferView * bv = documentBufferView();
2242         if (!bv)
2243                 return;
2244
2245         if (!fname.empty() && !FileName::isAbsolute(to_utf8(fname))) {
2246                 message(_("Absolute filename expected."));
2247                 return;
2248         }
2249
2250         // FIXME UNICODE
2251         FileName filename(to_utf8(fname));
2252
2253         if (!filename.empty()) {
2254                 bv->insertPlaintextFile(filename, asParagraph);
2255                 return;
2256         }
2257
2258         FileDialog dlg(qt_("Select file to insert"), (asParagraph ?
2259                 LFUN_FILE_INSERT_PLAINTEXT_PARA : LFUN_FILE_INSERT_PLAINTEXT));
2260
2261         FileDialog::Result result = dlg.open(toqstr(bv->buffer().filePath()),
2262                 QStringList(qt_("All Files (*)")));
2263
2264         if (result.first == FileDialog::Later)
2265                 return;
2266
2267         // FIXME UNICODE
2268         filename.set(fromqstr(result.second));
2269
2270         // check selected filename
2271         if (filename.empty()) {
2272                 // emit message signal.
2273                 message(_("Canceled."));
2274                 return;
2275         }
2276
2277         bv->insertPlaintextFile(filename, asParagraph);
2278 }
2279
2280
2281 bool GuiView::renameBuffer(Buffer & b, docstring const & newname)
2282 {
2283         FileName fname = b.fileName();
2284         FileName const oldname = fname;
2285
2286         if (!newname.empty()) {
2287                 // FIXME UNICODE
2288                 fname = support::makeAbsPath(to_utf8(newname), oldname.onlyPath().absFileName());
2289         } else {
2290                 // Switch to this Buffer.
2291                 setBuffer(&b);
2292
2293                 // No argument? Ask user through dialog.
2294                 // FIXME UNICODE
2295                 FileDialog dlg(qt_("Choose a filename to save document as"),
2296                                    LFUN_BUFFER_WRITE_AS);
2297                 dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
2298                 dlg.setButton2(qt_("Templates|#T#t"), toqstr(lyxrc.template_path));
2299
2300                 if (!isLyXFileName(fname.absFileName()))
2301                         fname.changeExtension(".lyx");
2302
2303                 FileDialog::Result result =
2304                         dlg.save(toqstr(fname.onlyPath().absFileName()),
2305                                    QStringList(qt_("LyX Documents (*.lyx)")),
2306                                          toqstr(fname.onlyFileName()));
2307
2308                 if (result.first == FileDialog::Later)
2309                         return false;
2310
2311                 fname.set(fromqstr(result.second));
2312
2313                 if (fname.empty())
2314                         return false;
2315
2316                 if (!isLyXFileName(fname.absFileName()))
2317                         fname.changeExtension(".lyx");
2318         }
2319
2320         // fname is now the new Buffer location.
2321         if (FileName(fname).exists()) {
2322                 docstring const file = makeDisplayPath(fname.absFileName(), 30);
2323                 docstring text = bformat(_("The document %1$s already "
2324                                            "exists.\n\nDo you want to "
2325                                            "overwrite that document?"),
2326                                          file);
2327                 int const ret = Alert::prompt(_("Overwrite document?"),
2328                         text, 0, 2, _("&Overwrite"), _("&Rename"), _("&Cancel"));
2329                 switch (ret) {
2330                 case 0: break;
2331                 case 1: return renameBuffer(b, docstring());
2332                 case 2: return false;
2333                 }
2334         }
2335
2336         return saveBuffer(b, fname);
2337 }
2338
2339
2340 struct PrettyNameComparator
2341 {
2342         bool operator()(Format const *first, Format const *second) const {
2343                 return compare_ascii_no_case(first->prettyname(), second->prettyname()) <= 0;
2344         }
2345 };
2346
2347
2348 bool GuiView::exportBufferAs(Buffer & b)
2349 {
2350         FileName fname = b.fileName();
2351
2352         FileDialog dlg(qt_("Choose a filename to export the document as"));
2353         dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
2354
2355         QStringList types;
2356         types << "Any supported format (*.*)";
2357         Formats::const_iterator it = formats.begin();
2358         vector<Format const *> export_formats;
2359         for (; it != formats.end(); ++it)
2360                 if (it->documentFormat() && it->inExportMenu())
2361                         export_formats.push_back(&(*it));
2362         PrettyNameComparator cmp;
2363         sort(export_formats.begin(), export_formats.end(), cmp);
2364         vector<Format const *>::const_iterator fit = export_formats.begin();
2365         for (; fit != export_formats.end(); ++fit)
2366                 types << toqstr((*fit)->prettyname() + " (*." + (*fit)->extension() + ")");
2367         QString filter;
2368         FileDialog::Result result =
2369                 dlg.save(toqstr(fname.onlyPath().absFileName()),
2370                          types,
2371                          toqstr(fname.onlyFileName()),
2372                          &filter);
2373         if (result.first != FileDialog::Chosen)
2374                 return false;
2375
2376         string s = fromqstr(filter);
2377         size_t pos = s.find(" (*.");
2378         LASSERT(pos != string::npos, /**/);
2379         string fmt_prettyname = s.substr(0, pos);
2380         string fmt_name;
2381         fname.set(fromqstr(result.second));
2382         if (fmt_prettyname == "Any supported format")
2383                 fmt_name = formats.getFormatFromExtension(fname.extension());
2384         else
2385                 fmt_name = formats.getFormatFromPrettyName(fmt_prettyname);
2386         LYXERR(Debug::FILES, "fmt_prettyname=" << fmt_prettyname
2387                << ", fmt_name=" << fmt_name << ", fname=" << fname.absFileName());
2388
2389         if (fmt_name.empty() || fname.empty())
2390                 return false;
2391
2392         // fname is now the new Buffer location.
2393         if (FileName(fname).exists()) {
2394                 docstring const file = makeDisplayPath(fname.absFileName(), 30);
2395                 docstring text = bformat(_("The document %1$s already "
2396                                            "exists.\n\nDo you want to "
2397                                            "overwrite that document?"),
2398                                          file);
2399                 int const ret = Alert::prompt(_("Overwrite document?"),
2400                         text, 0, 2, _("&Overwrite"), _("&Rename"), _("&Cancel"));
2401                 switch (ret) {
2402                 case 0: break;
2403                 case 1: return exportBufferAs(b);
2404                 case 2: return false;
2405                 }
2406         }
2407
2408         FuncRequest cmd(LFUN_BUFFER_EXPORT, fmt_name + " " + fname.absFileName());
2409         DispatchResult dr;
2410         dispatch(cmd, dr);
2411         return dr.dispatched();
2412 }
2413
2414
2415 bool GuiView::saveBuffer(Buffer & b) {
2416         return saveBuffer(b, FileName());
2417 }
2418
2419
2420 bool GuiView::saveBuffer(Buffer & b, FileName const & fn)
2421 {
2422         if (workArea(b) && workArea(b)->inDialogMode())
2423                 return true;
2424
2425         if (fn.empty() && b.isUnnamed())
2426                         return renameBuffer(b, docstring());
2427
2428         bool success;
2429         if (fn.empty())
2430                 success = b.save();
2431         else
2432                 success = b.saveAs(fn);
2433         
2434         if (success) {
2435                 theSession().lastFiles().add(b.fileName());
2436                 return true;
2437         }
2438
2439         // Switch to this Buffer.
2440         setBuffer(&b);
2441
2442         // FIXME: we don't tell the user *WHY* the save failed !!
2443         docstring const file = makeDisplayPath(b.absFileName(), 30);
2444         docstring text = bformat(_("The document %1$s could not be saved.\n\n"
2445                                    "Do you want to rename the document and "
2446                                    "try again?"), file);
2447         int const ret = Alert::prompt(_("Rename and save?"),
2448                 text, 0, 2, _("&Rename"), _("&Retry"), _("&Cancel"));
2449         switch (ret) {
2450         case 0:
2451                 if (!renameBuffer(b, docstring()))
2452                         return false;
2453                 break;
2454         case 1:
2455                 break;
2456         case 2:
2457                 return false;
2458         }
2459
2460         return saveBuffer(b);
2461 }
2462
2463
2464 bool GuiView::hideWorkArea(GuiWorkArea * wa)
2465 {
2466         return closeWorkArea(wa, false);
2467 }
2468
2469
2470 bool GuiView::closeWorkArea(GuiWorkArea * wa)
2471 {
2472         Buffer & buf = wa->bufferView().buffer();
2473         return closeWorkArea(wa, !buf.parent());
2474 }
2475
2476
2477 bool GuiView::closeBuffer()
2478 {
2479         GuiWorkArea * wa = currentMainWorkArea();
2480         setCurrentWorkArea(wa);
2481         Buffer & buf = wa->bufferView().buffer();
2482         return wa && closeWorkArea(wa, !buf.parent());
2483 }
2484
2485
2486 void GuiView::writeSession() const {
2487         GuiWorkArea const * active_wa = currentMainWorkArea();
2488         for (int i = 0; i < d.splitter_->count(); ++i) {
2489                 TabWorkArea * twa = d.tabWorkArea(i);
2490                 for (int j = 0; j < twa->count(); ++j) {
2491                         GuiWorkArea * wa = static_cast<GuiWorkArea *>(twa->widget(j));
2492                         Buffer & buf = wa->bufferView().buffer();
2493                         theSession().lastOpened().add(buf.fileName(), wa == active_wa);
2494                 }
2495         }
2496 }
2497
2498
2499 bool GuiView::closeBufferAll()
2500 {
2501         // Close the workareas in all other views
2502         QList<int> const ids = guiApp->viewIds();
2503         for (int i = 0; i != ids.size(); ++i) {
2504                 if (id_ != ids[i] && !guiApp->view(ids[i]).closeWorkAreaAll())
2505                         return false;
2506         }
2507
2508         // Close our own workareas
2509         if (!closeWorkAreaAll())
2510                 return false;
2511
2512         // Now close the hidden buffers. We prevent hidden buffers from being
2513         // dirty, so we can just close them.
2514         theBufferList().closeAll();
2515         return true;
2516 }
2517
2518
2519 bool GuiView::closeWorkAreaAll()
2520 {
2521         setCurrentWorkArea(currentMainWorkArea());
2522
2523         // We might be in a situation that there is still a tabWorkArea, but
2524         // there are no tabs anymore. This can happen when we get here after a
2525         // TabWorkArea::lastWorkAreaRemoved() signal. Therefore we count how
2526         // many TabWorkArea's have no documents anymore.
2527         int empty_twa = 0;
2528
2529         // We have to call count() each time, because it can happen that
2530         // more than one splitter will disappear in one iteration (bug 5998).
2531         for (; d.splitter_->count() > empty_twa; ) {
2532                 TabWorkArea * twa = d.tabWorkArea(empty_twa);
2533
2534                 if (twa->count() == 0)
2535                         ++empty_twa;
2536                 else {
2537                         setCurrentWorkArea(twa->currentWorkArea());
2538                         if (!closeTabWorkArea(twa))
2539                                 return false;
2540                 }
2541         }
2542         return true;
2543 }
2544
2545
2546 bool GuiView::closeWorkArea(GuiWorkArea * wa, bool close_buffer)
2547 {
2548         if (!wa)
2549                 return false;
2550
2551         Buffer & buf = wa->bufferView().buffer();
2552
2553         if (close_buffer && GuiViewPrivate::busyBuffers.contains(&buf)) {
2554                 Alert::warning(_("Close document"), 
2555                         _("Document could not be closed because it is being processed by LyX."));
2556                 return false;
2557         }
2558
2559         if (close_buffer)
2560                 return closeBuffer(buf);
2561         else {
2562                 if (!inMultiTabs(wa))
2563                         if (!saveBufferIfNeeded(buf, true))
2564                                 return false;
2565                 removeWorkArea(wa);
2566                 return true;
2567         }
2568 }
2569
2570
2571 bool GuiView::closeBuffer(Buffer & buf)
2572 {
2573         // If we are in a close_event all children will be closed in some time,
2574         // so no need to do it here. This will ensure that the children end up
2575         // in the session file in the correct order. If we close the master
2576         // buffer, we can close or release the child buffers here too.
2577         bool success = true;
2578         if (!closing_) {
2579                 ListOfBuffers clist = buf.getChildren();
2580                 ListOfBuffers::const_iterator it = clist.begin();
2581                 ListOfBuffers::const_iterator const bend = clist.end();
2582                 for (; it != bend; ++it) {
2583                         // If a child is dirty, do not close
2584                         // without user intervention
2585                         //FIXME: should we look in other tabworkareas?
2586                         Buffer * child_buf = *it;
2587                         GuiWorkArea * child_wa = workArea(*child_buf);
2588                         if (child_wa) {
2589                                 if (!closeWorkArea(child_wa, true)) {
2590                                         success = false;
2591                                         break;
2592                                 }
2593                         } else
2594                                 theBufferList().releaseChild(&buf, child_buf);
2595                 }
2596         }
2597         if (success) {
2598                 // goto bookmark to update bookmark pit.
2599                 //FIXME: we should update only the bookmarks related to this buffer!
2600                 LYXERR(Debug::DEBUG, "GuiView::closeBuffer()");
2601                 for (size_t i = 0; i < theSession().bookmarks().size(); ++i)
2602                         guiApp->gotoBookmark(i+1, false, false);
2603
2604                 if (saveBufferIfNeeded(buf, false)) {
2605                         buf.removeAutosaveFile();
2606                         theBufferList().release(&buf);
2607                         return true;
2608                 }
2609         }
2610         // open all children again to avoid a crash because of dangling
2611         // pointers (bug 6603)
2612         buf.updateBuffer();
2613         return false;
2614 }
2615
2616
2617 bool GuiView::closeTabWorkArea(TabWorkArea * twa)
2618 {
2619         while (twa == d.currentTabWorkArea()) {
2620                 twa->setCurrentIndex(twa->count()-1);
2621
2622                 GuiWorkArea * wa = twa->currentWorkArea();
2623                 Buffer & b = wa->bufferView().buffer();
2624
2625                 // We only want to close the buffer if the same buffer is not visible
2626                 // in another view, and if this is not a child and if we are closing
2627                 // a view (not a tabgroup).
2628                 bool const close_buffer =
2629                         !inOtherView(b) && !b.parent() && closing_;
2630
2631                 if (!closeWorkArea(wa, close_buffer))
2632                         return false;
2633         }
2634         return true;
2635 }
2636
2637
2638 bool GuiView::saveBufferIfNeeded(Buffer & buf, bool hiding)
2639 {
2640         if (buf.isClean() || buf.paragraphs().empty())
2641                 return true;
2642
2643         // Switch to this Buffer.
2644         setBuffer(&buf);
2645
2646         docstring file;
2647         // FIXME: Unicode?
2648         if (buf.isUnnamed())
2649                 file = from_utf8(buf.fileName().onlyFileName());
2650         else
2651                 file = buf.fileName().displayName(30);
2652
2653         // Bring this window to top before asking questions.
2654         raise();
2655         activateWindow();
2656
2657         int ret;
2658         if (hiding && buf.isUnnamed()) {
2659                 docstring const text = bformat(_("The document %1$s has not been "
2660                                                  "saved yet.\n\nDo you want to save "
2661                                                  "the document?"), file);
2662                 ret = Alert::prompt(_("Save new document?"),
2663                         text, 0, 1, _("&Save"), _("&Cancel"));
2664                 if (ret == 1)
2665                         ++ret;
2666         } else {
2667                 docstring const text = bformat(_("The document %1$s has unsaved changes."
2668                         "\n\nDo you want to save the document or discard the changes?"), file);
2669                 ret = Alert::prompt(_("Save changed document?"),
2670                         text, 0, 2, _("&Save"), _("&Discard"), _("&Cancel"));
2671         }
2672
2673         switch (ret) {
2674         case 0:
2675                 if (!saveBuffer(buf))
2676                         return false;
2677                 break;
2678         case 1:
2679                 // If we crash after this we could have no autosave file
2680                 // but I guess this is really improbable (Jug).
2681                 // Sometimes improbable things happen:
2682                 // - see bug http://www.lyx.org/trac/ticket/6587 (ps)
2683                 // buf.removeAutosaveFile();
2684                 if (hiding)
2685                         // revert all changes
2686                         reloadBuffer(buf);
2687                 buf.markClean();
2688                 break;
2689         case 2:
2690                 return false;
2691         }
2692         return true;
2693 }
2694
2695
2696 bool GuiView::inMultiTabs(GuiWorkArea * wa)
2697 {
2698         Buffer & buf = wa->bufferView().buffer();
2699
2700         for (int i = 0; i != d.splitter_->count(); ++i) {
2701                 GuiWorkArea * wa_ = d.tabWorkArea(i)->workArea(buf);
2702                 if (wa_ && wa_ != wa)
2703                         return true;
2704         }
2705         return inOtherView(buf);
2706 }
2707
2708
2709 bool GuiView::inOtherView(Buffer & buf)
2710 {
2711         QList<int> const ids = guiApp->viewIds();
2712
2713         for (int i = 0; i != ids.size(); ++i) {
2714                 if (id_ == ids[i])
2715                         continue;
2716
2717                 if (guiApp->view(ids[i]).workArea(buf))
2718                         return true;
2719         }
2720         return false;
2721 }
2722
2723
2724 void GuiView::gotoNextOrPreviousBuffer(NextOrPrevious np)
2725 {
2726         if (!documentBufferView())
2727                 return;
2728         
2729         if (TabWorkArea * twa = d.currentTabWorkArea()) {
2730                 Buffer * const curbuf = &documentBufferView()->buffer();
2731                 int nwa = twa->count();
2732                 for (int i = 0; i < nwa; ++i) {
2733                         if (&workArea(i)->bufferView().buffer() == curbuf) {
2734                                 int next_index;
2735                                 if (np == NEXTBUFFER)
2736                                         next_index = (i == nwa - 1 ? 0 : i + 1);
2737                                 else
2738                                         next_index = (i == 0 ? nwa - 1 : i - 1);
2739                                 setBuffer(&workArea(next_index)->bufferView().buffer());
2740                                 break;
2741                         }
2742                 }
2743         }
2744 }
2745
2746
2747 /// make sure the document is saved
2748 static bool ensureBufferClean(Buffer * buffer)
2749 {
2750         LASSERT(buffer, return false);
2751         if (buffer->isClean() && !buffer->isUnnamed())
2752                 return true;
2753
2754         docstring const file = buffer->fileName().displayName(30);
2755         docstring title;
2756         docstring text;
2757         if (!buffer->isUnnamed()) {
2758                 text = bformat(_("The document %1$s has unsaved "
2759                                                  "changes.\n\nDo you want to save "
2760                                                  "the document?"), file);
2761                 title = _("Save changed document?");
2762
2763         } else {
2764                 text = bformat(_("The document %1$s has not been "
2765                                                  "saved yet.\n\nDo you want to save "
2766                                                  "the document?"), file);
2767                 title = _("Save new document?");
2768         }
2769         int const ret = Alert::prompt(title, text, 0, 1, _("&Save"), _("&Cancel"));
2770
2771         if (ret == 0)
2772                 dispatch(FuncRequest(LFUN_BUFFER_WRITE));
2773
2774         return buffer->isClean() && !buffer->isUnnamed();
2775 }
2776
2777
2778 bool GuiView::reloadBuffer(Buffer & buf)
2779 {
2780         Buffer::ReadStatus status = buf.reload();
2781         return status == Buffer::ReadSuccess;
2782 }
2783
2784
2785 void GuiView::checkExternallyModifiedBuffers()
2786 {
2787         BufferList::iterator bit = theBufferList().begin();
2788         BufferList::iterator const bend = theBufferList().end();
2789         for (; bit != bend; ++bit) {
2790                 Buffer * buf = *bit;
2791                 if (buf->fileName().exists()
2792                         && buf->isExternallyModified(Buffer::checksum_method)) {
2793                         docstring text = bformat(_("Document \n%1$s\n has been externally modified."
2794                                         " Reload now? Any local changes will be lost."),
2795                                         from_utf8(buf->absFileName()));
2796                         int const ret = Alert::prompt(_("Reload externally changed document?"),
2797                                                 text, 0, 1, _("&Reload"), _("&Cancel"));
2798                         if (!ret)
2799                                 reloadBuffer(*buf);
2800                 }
2801         }
2802 }
2803
2804
2805 void GuiView::dispatchVC(FuncRequest const & cmd, DispatchResult & dr)
2806 {
2807         Buffer * buffer = documentBufferView()
2808                 ? &(documentBufferView()->buffer()) : 0;
2809
2810         switch (cmd.action()) {
2811         case LFUN_VC_REGISTER:
2812                 if (!buffer || !ensureBufferClean(buffer))
2813                         break;
2814                 if (!buffer->lyxvc().inUse()) {
2815                         if (buffer->lyxvc().registrer()) {
2816                                 reloadBuffer(*buffer);
2817                                 dr.suppressMessageUpdate();
2818                         }
2819                 }
2820                 break;
2821
2822         case LFUN_VC_CHECK_IN:
2823                 if (!buffer || !ensureBufferClean(buffer))
2824                         break;
2825                 if (buffer->lyxvc().inUse() && !buffer->isReadonly()) {
2826                         dr.setMessage(buffer->lyxvc().checkIn());
2827                         if (!dr.message().empty())
2828                                 reloadBuffer(*buffer);
2829                 }
2830                 break;
2831
2832         case LFUN_VC_CHECK_OUT:
2833                 if (!buffer || !ensureBufferClean(buffer))
2834                         break;
2835                 if (buffer->lyxvc().inUse()) {
2836                         dr.setMessage(buffer->lyxvc().checkOut());
2837                         reloadBuffer(*buffer);
2838                 }
2839                 break;
2840
2841         case LFUN_VC_LOCKING_TOGGLE:
2842                 LASSERT(buffer, return);
2843                 if (!ensureBufferClean(buffer) || buffer->isReadonly())
2844                         break;
2845                 if (buffer->lyxvc().inUse()) {
2846                         string res = buffer->lyxvc().lockingToggle();
2847                         if (res.empty()) {
2848                                 frontend::Alert::error(_("Revision control error."),
2849                                 _("Error when setting the locking property."));
2850                         } else {
2851                                 dr.setMessage(res);
2852                                 reloadBuffer(*buffer);
2853                         }
2854                 }
2855                 break;
2856
2857         case LFUN_VC_REVERT:
2858                 LASSERT(buffer, return);
2859                 if (buffer->lyxvc().revert()) {
2860                         reloadBuffer(*buffer);
2861                         dr.suppressMessageUpdate();
2862                 }
2863                 break;
2864
2865         case LFUN_VC_UNDO_LAST:
2866                 LASSERT(buffer, return);
2867                 buffer->lyxvc().undoLast();
2868                 reloadBuffer(*buffer);
2869                 dr.suppressMessageUpdate();
2870                 break;
2871
2872         case LFUN_VC_REPO_UPDATE:
2873                 LASSERT(buffer, return);
2874                 if (ensureBufferClean(buffer)) {
2875                         dr.setMessage(buffer->lyxvc().repoUpdate());
2876                         checkExternallyModifiedBuffers();
2877                 }
2878                 break;
2879
2880         case LFUN_VC_COMMAND: {
2881                 string flag = cmd.getArg(0);
2882                 if (buffer && contains(flag, 'R') && !ensureBufferClean(buffer))
2883                         break;
2884                 docstring message;
2885                 if (contains(flag, 'M')) {
2886                         if (!Alert::askForText(message, _("LyX VC: Log Message")))
2887                                 break;
2888                 }
2889                 string path = cmd.getArg(1);
2890                 if (contains(path, "$$p") && buffer)
2891                         path = subst(path, "$$p", buffer->filePath());
2892                 LYXERR(Debug::LYXVC, "Directory: " << path);
2893                 FileName pp(path);
2894                 if (!pp.isReadableDirectory()) {
2895                         lyxerr << _("Directory is not accessible.") << endl;
2896                         break;
2897                 }
2898                 support::PathChanger p(pp);
2899
2900                 string command = cmd.getArg(2);
2901                 if (command.empty())
2902                         break;
2903                 if (buffer) {
2904                         command = subst(command, "$$i", buffer->absFileName());
2905                         command = subst(command, "$$p", buffer->filePath());
2906                 }
2907                 command = subst(command, "$$m", to_utf8(message));
2908                 LYXERR(Debug::LYXVC, "Command: " << command);
2909                 Systemcall one;
2910                 one.startscript(Systemcall::Wait, command);
2911
2912                 if (!buffer)
2913                         break;
2914                 if (contains(flag, 'I'))
2915                         buffer->markDirty();
2916                 if (contains(flag, 'R'))
2917                         reloadBuffer(*buffer);
2918
2919                 break;
2920                 }
2921
2922         case LFUN_VC_COMPARE: {
2923
2924                 if (cmd.argument().empty()) {
2925                         lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, "comparehistory"));
2926                         break;
2927                 }
2928
2929                 string rev1 = cmd.getArg(0);
2930                 string f1, f2;
2931
2932                 // f1
2933                 if (!buffer->lyxvc().prepareFileRevision(rev1, f1))
2934                         break;
2935
2936                 if (isStrInt(rev1) && convert<int>(rev1) <= 0) {
2937                         f2 = buffer->absFileName();
2938                 } else {
2939                         string rev2 = cmd.getArg(1);
2940                         if (rev2.empty())
2941                                 break;
2942                         // f2
2943                         if (!buffer->lyxvc().prepareFileRevision(rev2, f2))
2944                                 break;
2945                 }
2946
2947                 LYXERR(Debug::LYXVC, "Launching comparison for fetched revisions:\n" <<
2948                                         f1 << "\n"  << f2 << "\n" );
2949                 string par = "compare run " + quoteName(f1) + " " + quoteName(f2);
2950                 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, par));
2951                 break;
2952         }
2953
2954         default:
2955                 break;
2956         }
2957 }
2958
2959
2960 void GuiView::openChildDocument(string const & fname)
2961 {
2962         LASSERT(documentBufferView(), return);
2963         Buffer & buffer = documentBufferView()->buffer();
2964         FileName const filename = support::makeAbsPath(fname, buffer.filePath());
2965         documentBufferView()->saveBookmark(false);
2966         Buffer * child = 0;
2967         if (theBufferList().exists(filename)) {
2968                 child = theBufferList().getBuffer(filename);
2969                 setBuffer(child);
2970         } else {
2971                 message(bformat(_("Opening child document %1$s..."),
2972                         makeDisplayPath(filename.absFileName())));
2973                 child = loadDocument(filename, false);
2974         }
2975         // Set the parent name of the child document.
2976         // This makes insertion of citations and references in the child work,
2977         // when the target is in the parent or another child document.
2978         if (child)
2979                 child->setParent(&buffer);
2980 }
2981
2982
2983 bool GuiView::goToFileRow(string const & argument)
2984 {
2985         string file_name;
2986         int row;
2987         size_t i = argument.find_last_of(' ');
2988         if (i != string::npos) {
2989                 file_name = os::internal_path(trim(argument.substr(0, i)));
2990                 istringstream is(argument.substr(i + 1));
2991                 is >> row;
2992                 if (is.fail())
2993                         i = string::npos;
2994         }
2995         if (i == string::npos) {
2996                 LYXERR0("Wrong argument: " << argument);
2997                 return false;
2998         }
2999         Buffer * buf = 0;
3000         string const abstmp = package().temp_dir().absFileName();
3001         string const realtmp = package().temp_dir().realPath();
3002         // We have to use os::path_prefix_is() here, instead of
3003         // simply prefixIs(), because the file name comes from
3004         // an external application and may need case adjustment.
3005         if (os::path_prefix_is(file_name, abstmp, os::CASE_ADJUSTED)
3006                 || os::path_prefix_is(file_name, realtmp, os::CASE_ADJUSTED)) {
3007                 // Needed by inverse dvi search. If it is a file
3008                 // in tmpdir, call the apropriated function.
3009                 // If tmpdir is a symlink, we may have the real
3010                 // path passed back, so we correct for that.
3011                 if (!prefixIs(file_name, abstmp))
3012                         file_name = subst(file_name, realtmp, abstmp);
3013                 buf = theBufferList().getBufferFromTmp(file_name);
3014         } else {
3015                 // Must replace extension of the file to be .lyx
3016                 // and get full path
3017                 FileName const s = fileSearch(string(),
3018                                                   support::changeExtension(file_name, ".lyx"), "lyx");
3019                 // Either change buffer or load the file
3020                 if (theBufferList().exists(s))
3021                         buf = theBufferList().getBuffer(s);
3022                 else if (s.exists()) {
3023                         buf = loadDocument(s);
3024                         if (!buf)
3025                                 return false;
3026                 } else {
3027                         message(bformat(
3028                                         _("File does not exist: %1$s"),
3029                                         makeDisplayPath(file_name)));
3030                         return false;
3031                 }
3032         }
3033         if (!buf) {
3034                 message(bformat(
3035                         _("No buffer for file: %1$s."),
3036                         makeDisplayPath(file_name))
3037                 );
3038                 return false;
3039         }
3040         setBuffer(buf);
3041         documentBufferView()->setCursorFromRow(row);
3042         return true;
3043 }
3044
3045
3046 #if (QT_VERSION >= 0x040400)
3047 template<class T>
3048 Buffer::ExportStatus GuiView::GuiViewPrivate::runAndDestroy(const T& func, Buffer const * orig, Buffer * buffer, string const & format)
3049 {
3050         Buffer::ExportStatus const status = func(format);
3051
3052         // the cloning operation will have produced a clone of the entire set of
3053         // documents, starting from the master. so we must delete those.
3054         Buffer * mbuf = const_cast<Buffer *>(buffer->masterBuffer());
3055         delete mbuf;
3056         busyBuffers.remove(orig);
3057         return status;
3058 }
3059
3060
3061 Buffer::ExportStatus GuiView::GuiViewPrivate::compileAndDestroy(Buffer const * orig, Buffer * buffer, string const & format)
3062 {
3063         Buffer::ExportStatus (Buffer::* mem_func)(std::string const &, bool) const = &Buffer::doExport;
3064         return runAndDestroy(bind(mem_func, buffer, _1, true), orig, buffer, format);
3065 }
3066
3067
3068 Buffer::ExportStatus GuiView::GuiViewPrivate::exportAndDestroy(Buffer const * orig, Buffer * buffer, string const & format)
3069 {
3070         Buffer::ExportStatus (Buffer::* mem_func)(std::string const &, bool) const = &Buffer::doExport;
3071         return runAndDestroy(bind(mem_func, buffer, _1, false), orig, buffer, format);
3072 }
3073
3074
3075 Buffer::ExportStatus GuiView::GuiViewPrivate::previewAndDestroy(Buffer const * orig, Buffer * buffer, string const & format)
3076 {
3077         Buffer::ExportStatus (Buffer::* mem_func)(std::string const &) const = &Buffer::preview;
3078         return runAndDestroy(bind(mem_func, buffer, _1), orig, buffer, format);
3079 }
3080
3081 #else
3082
3083 // not used, but the linker needs them
3084
3085 Buffer::ExportStatus GuiView::GuiViewPrivate::compileAndDestroy(
3086                 Buffer const *, Buffer *, string const &)
3087 {
3088         return Buffer::ExportSuccess;
3089 }
3090
3091
3092 Buffer::ExportStatus GuiView::GuiViewPrivate::exportAndDestroy(
3093                 Buffer const *, Buffer *, string const &)
3094 {
3095         return Buffer::ExportSuccess;
3096 }
3097
3098
3099 Buffer::ExportStatus GuiView::GuiViewPrivate::previewAndDestroy(
3100                 Buffer const *, Buffer *, string const &)
3101 {
3102         return Buffer::ExportSuccess;
3103 }
3104
3105 #endif
3106
3107
3108 bool GuiView::GuiViewPrivate::asyncBufferProcessing(
3109                            string const & argument,
3110                            Buffer const * used_buffer,
3111                            docstring const & msg,
3112                            Buffer::ExportStatus (*asyncFunc)(Buffer const *, Buffer *, string const &),
3113                            Buffer::ExportStatus (Buffer::*syncFunc)(string const &, bool) const,
3114                            Buffer::ExportStatus (Buffer::*previewFunc)(string const &) const)
3115 {
3116         if (!used_buffer)
3117                 return false;
3118
3119         string format = argument;
3120         if (format.empty())
3121                 format = used_buffer->params().getDefaultOutputFormat();
3122         processing_format = format;
3123 #if EXPORT_in_THREAD && (QT_VERSION >= 0x040400)
3124         if (!msg.empty()) {
3125                 progress_->clearMessages();
3126                 gv_->message(msg);
3127         }
3128         GuiViewPrivate::busyBuffers.insert(used_buffer);
3129         QFuture<Buffer::ExportStatus> f = QtConcurrent::run(
3130                                 asyncFunc,
3131                                 used_buffer,
3132                                 used_buffer->clone(),
3133                                 format);
3134         setPreviewFuture(f);
3135         last_export_format = used_buffer->params().bufferFormat();
3136         (void) syncFunc;
3137         (void) previewFunc;
3138         // We are asynchronous, so we don't know here anything about the success
3139         return true;
3140 #else
3141         Buffer::ExportStatus status;
3142         if (syncFunc) {
3143                 // TODO check here if it breaks exporting with Qt < 4.4
3144                 status = (used_buffer->*syncFunc)(format, true);
3145         } else if (previewFunc) {
3146                 status = (used_buffer->*previewFunc)(format); 
3147         } else
3148                 return false;
3149         handleExportStatus(gv_, status, format);
3150         (void) asyncFunc;
3151         return (status == Buffer::ExportSuccess 
3152                         || status == Buffer::PreviewSuccess);
3153 #endif
3154 }
3155
3156 void GuiView::dispatchToBufferView(FuncRequest const & cmd, DispatchResult & dr)
3157 {
3158         BufferView * bv = currentBufferView();
3159         LASSERT(bv, /**/);
3160
3161         // Let the current BufferView dispatch its own actions.
3162         bv->dispatch(cmd, dr);
3163         if (dr.dispatched())
3164                 return;
3165
3166         // Try with the document BufferView dispatch if any.
3167         BufferView * doc_bv = documentBufferView();
3168         if (doc_bv && doc_bv != bv) {
3169                 doc_bv->dispatch(cmd, dr);
3170                 if (dr.dispatched())
3171                         return;
3172         }
3173
3174         // Then let the current Cursor dispatch its own actions.
3175         bv->cursor().dispatch(cmd);
3176
3177         // update completion. We do it here and not in
3178         // processKeySym to avoid another redraw just for a
3179         // changed inline completion
3180         if (cmd.origin() == FuncRequest::KEYBOARD) {
3181                 if (cmd.action() == LFUN_SELF_INSERT
3182                         || (cmd.action() == LFUN_ERT_INSERT && bv->cursor().inMathed()))
3183                         updateCompletion(bv->cursor(), true, true);
3184                 else if (cmd.action() == LFUN_CHAR_DELETE_BACKWARD)
3185                         updateCompletion(bv->cursor(), false, true);
3186                 else
3187                         updateCompletion(bv->cursor(), false, false);
3188         }
3189
3190         dr = bv->cursor().result();
3191 }
3192
3193
3194 void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
3195 {
3196         BufferView * bv = currentBufferView();
3197         // By default we won't need any update.
3198         dr.screenUpdate(Update::None);
3199         // assume cmd will be dispatched
3200         dr.dispatched(true);
3201
3202         Buffer * doc_buffer = documentBufferView()
3203                 ? &(documentBufferView()->buffer()) : 0;
3204
3205         if (cmd.origin() == FuncRequest::TOC) {
3206                 GuiToc * toc = static_cast<GuiToc*>(findOrBuild("toc", false));
3207                 // FIXME: do we need to pass a DispatchResult object here?
3208                 toc->doDispatch(bv->cursor(), cmd);
3209                 return;
3210         }
3211
3212         string const argument = to_utf8(cmd.argument());
3213
3214         switch(cmd.action()) {
3215                 case LFUN_BUFFER_CHILD_OPEN:
3216                         openChildDocument(to_utf8(cmd.argument()));
3217                         break;
3218
3219                 case LFUN_BUFFER_IMPORT:
3220                         importDocument(to_utf8(cmd.argument()));
3221                         break;
3222
3223                 case LFUN_BUFFER_EXPORT: {
3224                         if (!doc_buffer)
3225                                 break;
3226                         // GCC only sees strfwd.h when building merged
3227                         if (::lyx::operator==(cmd.argument(), "custom")) {
3228                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW, "sendto"), dr);
3229                                 break;
3230                         }
3231 #if QT_VERSION < 0x040400
3232                         if (!doc_buffer->doExport(argument, false)) {
3233                                 dr.setError(true);
3234                                 dr.setMessage(bformat(_("Error exporting to format: %1$s"),
3235                                         cmd.argument()));
3236                         }
3237 #else
3238                         /* TODO/Review: Is it a problem to also export the children?
3239                                         See the update_unincluded flag */
3240                         d.asyncBufferProcessing(argument,
3241                                                 doc_buffer,
3242                                                 _("Exporting ..."),
3243                                                 &GuiViewPrivate::exportAndDestroy,
3244                                                 &Buffer::doExport,
3245                                                 0);
3246                         // TODO Inform user about success
3247 #endif
3248                         break;
3249                 }
3250
3251                 case LFUN_BUFFER_EXPORT_AS:
3252                         LASSERT(doc_buffer, break);
3253                         exportBufferAs(*doc_buffer);
3254                         break;
3255
3256                 case LFUN_BUFFER_UPDATE: {
3257                         d.asyncBufferProcessing(argument,
3258                                                 doc_buffer,
3259                                                 _("Exporting ..."),
3260                                                 &GuiViewPrivate::compileAndDestroy,
3261                                                 &Buffer::doExport,
3262                                                 0);
3263                         break;
3264                 }
3265                 case LFUN_BUFFER_VIEW: {
3266                         d.asyncBufferProcessing(argument,
3267                                                 doc_buffer,
3268                                                 _("Previewing ..."),
3269                                                 &GuiViewPrivate::previewAndDestroy,
3270                                                 0,
3271                                                 &Buffer::preview);
3272                         break;
3273                 }
3274                 case LFUN_MASTER_BUFFER_UPDATE: {
3275                         d.asyncBufferProcessing(argument,
3276                                                 (doc_buffer ? doc_buffer->masterBuffer() : 0),
3277                                                 docstring(),
3278                                                 &GuiViewPrivate::compileAndDestroy,
3279                                                 &Buffer::doExport,
3280                                                 0);
3281                         break;
3282                 }
3283                 case LFUN_MASTER_BUFFER_VIEW: {
3284                         d.asyncBufferProcessing(argument,
3285                                                 (doc_buffer ? doc_buffer->masterBuffer() : 0),
3286                                                 docstring(),
3287                                                 &GuiViewPrivate::previewAndDestroy,
3288                                                 0, &Buffer::preview);
3289                         break;
3290                 }
3291                 case LFUN_BUFFER_SWITCH: {
3292                         string const file_name = to_utf8(cmd.argument());
3293                         if (!FileName::isAbsolute(file_name)) {
3294                                 dr.setError(true);
3295                                 dr.setMessage(_("Absolute filename expected."));
3296                                 break;
3297                         }
3298
3299                         Buffer * buffer = theBufferList().getBuffer(FileName(file_name));
3300                         if (!buffer) {
3301                                 dr.setError(true);
3302                                 dr.setMessage(_("Document not loaded"));
3303                                 break;
3304                         }
3305
3306                         // Do we open or switch to the buffer in this view ?
3307                         if (workArea(*buffer)
3308                                   || lyxrc.open_buffers_in_tabs || !documentBufferView()) {
3309                                 setBuffer(buffer);
3310                                 break;
3311                         }
3312
3313                         // Look for the buffer in other views
3314                         QList<int> const ids = guiApp->viewIds();
3315                         int i = 0;
3316                         for (; i != ids.size(); ++i) {
3317                                 GuiView & gv = guiApp->view(ids[i]);
3318                                 if (gv.workArea(*buffer)) {
3319                                         gv.activateWindow();
3320                                         gv.setBuffer(buffer);
3321                                         break;
3322                                 }
3323                         }
3324
3325                         // If necessary, open a new window as a last resort
3326                         if (i == ids.size()) {
3327                                 lyx::dispatch(FuncRequest(LFUN_WINDOW_NEW));
3328                                 lyx::dispatch(cmd);
3329                         }
3330                         break;
3331                 }
3332
3333                 case LFUN_BUFFER_NEXT:
3334                         gotoNextOrPreviousBuffer(NEXTBUFFER);
3335                         break;
3336
3337                 case LFUN_BUFFER_PREVIOUS:
3338                         gotoNextOrPreviousBuffer(PREVBUFFER);
3339                         break;
3340
3341                 case LFUN_COMMAND_EXECUTE: {
3342                         bool const show_it = cmd.argument() != "off";
3343                         // FIXME: this is a hack, "minibuffer" should not be
3344                         // hardcoded.
3345                         if (GuiToolbar * t = toolbar("minibuffer")) {
3346                                 t->setVisible(show_it);
3347                                 if (show_it && t->commandBuffer())
3348                                         t->commandBuffer()->setFocus();
3349                         }
3350                         break;
3351                 }
3352                 case LFUN_DROP_LAYOUTS_CHOICE:
3353                         d.layout_->showPopup();
3354                         break;
3355
3356                 case LFUN_MENU_OPEN:
3357                         if (QMenu * menu = guiApp->menus().menu(toqstr(cmd.argument()), *this))
3358                                 menu->exec(QCursor::pos());
3359                         break;
3360
3361                 case LFUN_FILE_INSERT:
3362                         insertLyXFile(cmd.argument());
3363                         break;
3364
3365                 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
3366                         insertPlaintextFile(cmd.argument(), true);
3367                         break;
3368
3369                 case LFUN_FILE_INSERT_PLAINTEXT:
3370                         insertPlaintextFile(cmd.argument(), false);
3371                         break;
3372
3373                 case LFUN_BUFFER_RELOAD: {
3374                         LASSERT(doc_buffer, break);
3375
3376                         int ret = 0;
3377                         if (!doc_buffer->isClean()) {
3378                                 docstring const file =
3379                                         makeDisplayPath(doc_buffer->absFileName(), 20);
3380                                 docstring text = bformat(_("Any changes will be lost. "
3381                                         "Are you sure you want to revert to the saved version "
3382                                         "of the document %1$s?"), file);
3383                                 ret = Alert::prompt(_("Revert to saved document?"),
3384                                         text, 1, 1, _("&Revert"), _("&Cancel"));
3385                         }
3386
3387                         if (ret == 0) {
3388                                 doc_buffer->markClean();
3389                                 reloadBuffer(*doc_buffer);
3390                                 dr.forceBufferUpdate();
3391                         }
3392                         break;
3393                 }
3394
3395                 case LFUN_BUFFER_WRITE:
3396                         LASSERT(doc_buffer, break);
3397                         saveBuffer(*doc_buffer);
3398                         break;
3399
3400                 case LFUN_BUFFER_WRITE_AS:
3401                         LASSERT(doc_buffer, break);
3402                         renameBuffer(*doc_buffer, cmd.argument());
3403                         break;
3404
3405                 case LFUN_BUFFER_WRITE_ALL: {
3406                         Buffer * first = theBufferList().first();
3407                         if (!first)
3408                                 break;
3409                         message(_("Saving all documents..."));
3410                         // We cannot use a for loop as the buffer list cycles.
3411                         Buffer * b = first;
3412                         do {
3413                                 if (!b->isClean()) {
3414                                         saveBuffer(*b);
3415                                         LYXERR(Debug::ACTION, "Saved " << b->absFileName());
3416                                 }
3417                                 b = theBufferList().next(b);
3418                         } while (b != first);
3419                         dr.setMessage(_("All documents saved."));
3420                         break;
3421                 }
3422
3423                 case LFUN_BUFFER_CLOSE:
3424                         closeBuffer();
3425                         break;
3426
3427                 case LFUN_BUFFER_CLOSE_ALL:
3428                         closeBufferAll();
3429                         break;
3430
3431                 case LFUN_TOOLBAR_TOGGLE: {
3432                         string const name = cmd.getArg(0);
3433                         if (GuiToolbar * t = toolbar(name))
3434                                 t->toggle();
3435                         break;
3436                 }
3437
3438                 case LFUN_DIALOG_UPDATE: {
3439                         string const name = to_utf8(cmd.argument());
3440                         if (name == "prefs" || name == "document")
3441                                 updateDialog(name, string());
3442                         else if (name == "paragraph")
3443                                 lyx::dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
3444                         else if (currentBufferView()) {
3445                                 Inset * inset = currentBufferView()->editedInset(name);
3446                                 // Can only update a dialog connected to an existing inset
3447                                 if (inset) {
3448                                         // FIXME: get rid of this indirection; GuiView ask the inset
3449                                         // if he is kind enough to update itself...
3450                                         FuncRequest fr(LFUN_INSET_DIALOG_UPDATE, cmd.argument());
3451                                         //FIXME: pass DispatchResult here?
3452                                         inset->dispatch(currentBufferView()->cursor(), fr);
3453                                 }
3454                         }
3455                         break;
3456                 }
3457
3458                 case LFUN_DIALOG_TOGGLE: {
3459                         FuncCode const func_code = isDialogVisible(cmd.getArg(0))
3460                                 ? LFUN_DIALOG_HIDE : LFUN_DIALOG_SHOW;
3461                         dispatch(FuncRequest(func_code, cmd.argument()), dr);
3462                         break;
3463                 }
3464
3465                 case LFUN_DIALOG_DISCONNECT_INSET:
3466                         disconnectDialog(to_utf8(cmd.argument()));
3467                         break;
3468
3469                 case LFUN_DIALOG_HIDE: {
3470                         guiApp->hideDialogs(to_utf8(cmd.argument()), 0);
3471                         break;
3472                 }
3473
3474                 case LFUN_DIALOG_SHOW: {
3475                         string const name = cmd.getArg(0);
3476                         string data = trim(to_utf8(cmd.argument()).substr(name.size()));
3477
3478                         if (name == "character") {
3479                                 data = freefont2string();
3480                                 if (!data.empty())
3481                                         showDialog("character", data);
3482                         } else if (name == "latexlog") {
3483                                 Buffer::LogType type;
3484                                 string const logfile = doc_buffer->logName(&type);
3485                                 switch (type) {
3486                                 case Buffer::latexlog:
3487                                         data = "latex ";
3488                                         break;
3489                                 case Buffer::buildlog:
3490                                         data = "literate ";
3491                                         break;
3492                                 }
3493                                 data += Lexer::quoteString(logfile);
3494                                 showDialog("log", data);
3495                         } else if (name == "vclog") {
3496                                 string const data = "vc " +
3497                                         Lexer::quoteString(doc_buffer->lyxvc().getLogFile());
3498                                 showDialog("log", data);
3499                         } else if (name == "symbols") {
3500                                 data = bv->cursor().getEncoding()->name();
3501                                 if (!data.empty())
3502                                         showDialog("symbols", data);
3503                         // bug 5274
3504                         } else if (name == "prefs" && isFullScreen()) {
3505                                 lfunUiToggle("fullscreen");
3506                                 showDialog("prefs", data);
3507                         } else
3508                                 showDialog(name, data);
3509                         break;
3510                 }
3511
3512                 case LFUN_MESSAGE:
3513                         dr.setMessage(cmd.argument());
3514                         break;
3515
3516                 case LFUN_UI_TOGGLE: {
3517                         string arg = cmd.getArg(0);
3518                         if (!lfunUiToggle(arg)) {
3519                                 docstring const msg = "ui-toggle " + _("%1$s unknown command!");
3520                                 dr.setMessage(bformat(msg, from_utf8(arg)));
3521                         }
3522                         // Make sure the keyboard focus stays in the work area.
3523                         setFocus();
3524                         break;
3525                 }
3526
3527                 case LFUN_SPLIT_VIEW: {
3528                         LASSERT(doc_buffer, break);
3529                         string const orientation = cmd.getArg(0);
3530                         d.splitter_->setOrientation(orientation == "vertical"
3531                                 ? Qt::Vertical : Qt::Horizontal);
3532                         TabWorkArea * twa = addTabWorkArea();
3533                         GuiWorkArea * wa = twa->addWorkArea(*doc_buffer, *this);
3534                         setCurrentWorkArea(wa);
3535                         break;
3536                 }
3537                 case LFUN_CLOSE_TAB_GROUP:
3538                         if (TabWorkArea * twa = d.currentTabWorkArea()) {
3539                                 closeTabWorkArea(twa);
3540                                 d.current_work_area_ = 0;
3541                                 twa = d.currentTabWorkArea();
3542                                 // Switch to the next GuiWorkArea in the found TabWorkArea.
3543                                 if (twa) {
3544                                         // Make sure the work area is up to date.
3545                                         setCurrentWorkArea(twa->currentWorkArea());
3546                                 } else {
3547                                         setCurrentWorkArea(0);
3548                                 }
3549                         }
3550                         break;
3551
3552                 case LFUN_COMPLETION_INLINE:
3553                         if (d.current_work_area_)
3554                                 d.current_work_area_->completer().showInline();
3555                         break;
3556
3557                 case LFUN_COMPLETION_POPUP:
3558                         if (d.current_work_area_)
3559                                 d.current_work_area_->completer().showPopup();
3560                         break;
3561
3562
3563                 case LFUN_COMPLETION_COMPLETE:
3564                         if (d.current_work_area_)
3565                                 d.current_work_area_->completer().tab();
3566                         break;
3567
3568                 case LFUN_COMPLETION_CANCEL:
3569                         if (d.current_work_area_) {
3570                                 if (d.current_work_area_->completer().popupVisible())
3571                                         d.current_work_area_->completer().hidePopup();
3572                                 else
3573                                         d.current_work_area_->completer().hideInline();
3574                         }
3575                         break;
3576
3577                 case LFUN_COMPLETION_ACCEPT:
3578                         if (d.current_work_area_)
3579                                 d.current_work_area_->completer().activate();
3580                         break;
3581
3582                 case LFUN_BUFFER_ZOOM_IN:
3583                 case LFUN_BUFFER_ZOOM_OUT:
3584                         if (cmd.argument().empty()) {
3585                                 if (cmd.action() == LFUN_BUFFER_ZOOM_IN)
3586                                         lyxrc.zoom += 20;
3587                                 else
3588                                         lyxrc.zoom -= 20;
3589                         } else
3590                                 lyxrc.zoom += convert<int>(cmd.argument());
3591
3592                         if (lyxrc.zoom < 10)
3593                                 lyxrc.zoom = 10;
3594
3595                         // The global QPixmapCache is used in GuiPainter to cache text
3596                         // painting so we must reset it.
3597                         QPixmapCache::clear();
3598                         guiApp->fontLoader().update();
3599                         lyx::dispatch(FuncRequest(LFUN_SCREEN_FONT_UPDATE));
3600                         break;
3601
3602                 case LFUN_VC_REGISTER:
3603                 case LFUN_VC_CHECK_IN:
3604                 case LFUN_VC_CHECK_OUT:
3605                 case LFUN_VC_REPO_UPDATE:
3606                 case LFUN_VC_LOCKING_TOGGLE:
3607                 case LFUN_VC_REVERT:
3608                 case LFUN_VC_UNDO_LAST:
3609                 case LFUN_VC_COMMAND:
3610                 case LFUN_VC_COMPARE:
3611                         dispatchVC(cmd, dr);
3612                         break;
3613
3614                 case LFUN_SERVER_GOTO_FILE_ROW:
3615                         goToFileRow(to_utf8(cmd.argument()));
3616                         break;
3617
3618                 case LFUN_FORWARD_SEARCH: {
3619                         Buffer const * doc_master = doc_buffer->masterBuffer();
3620                         FileName const path(doc_master->temppath());
3621                         string const texname = doc_master->isChild(doc_buffer)
3622                                 ? DocFileName(changeExtension(
3623                                         doc_buffer->absFileName(),
3624                                                 "tex")).mangledFileName()
3625                                 : doc_buffer->latexName();
3626                         string const mastername =
3627                                 removeExtension(doc_master->latexName());
3628                         FileName const dviname(addName(path.absFileName(),
3629                                         addExtension(mastername, "dvi")));
3630                         FileName const pdfname(addName(path.absFileName(),
3631                                         addExtension(mastername, "pdf")));
3632                         bool const have_dvi = dviname.exists();
3633                         bool const have_pdf = pdfname.exists();
3634                         if (!have_dvi && !have_pdf) {
3635                                 dr.setMessage(_("Please, preview the document first."));
3636                                 break;
3637                         }
3638                         string outname = dviname.onlyFileName();
3639                         string command = lyxrc.forward_search_dvi;
3640                         if (!have_dvi || (have_pdf &&
3641                             pdfname.lastModified() > dviname.lastModified())) {
3642                                 outname = pdfname.onlyFileName();
3643                                 command = lyxrc.forward_search_pdf;
3644                         }
3645
3646                         int row = doc_buffer->texrow().getRowFromIdPos(bv->cursor().paragraph().id(), bv->cursor().pos());
3647                         LYXERR(Debug::ACTION, "Forward search: row:" << row
3648                                 << " id:" << bv->cursor().paragraph().id());
3649                         if (!row || command.empty()) {
3650                                 dr.setMessage(_("Couldn't proceed."));
3651                                 break;
3652                         }
3653                         string texrow = convert<string>(row);
3654
3655                         command = subst(command, "$$n", texrow);
3656                         command = subst(command, "$$t", texname);
3657                         command = subst(command, "$$o", outname);
3658
3659                         PathChanger p(path);
3660                         Systemcall one;
3661                         one.startscript(Systemcall::DontWait, command);
3662                         break;
3663                 }
3664                 default:
3665                         // The LFUN must be for one of BufferView, Buffer or Cursor;
3666                         // let's try that:
3667                         dispatchToBufferView(cmd, dr);
3668                         break;
3669         }
3670
3671         // Part of automatic menu appearance feature.
3672         if (isFullScreen()) {
3673                 if (menuBar()->isVisible() && lyxrc.full_screen_menubar)
3674                         menuBar()->hide();
3675                 if (statusBar()->isVisible())
3676                         statusBar()->hide();
3677         }
3678 }
3679
3680
3681 bool GuiView::lfunUiToggle(string const & ui_component)
3682 {
3683         if (ui_component == "scrollbar") {
3684                 // hide() is of no help
3685                 if (d.current_work_area_->verticalScrollBarPolicy() ==
3686                         Qt::ScrollBarAlwaysOff)
3687
3688                         d.current_work_area_->setVerticalScrollBarPolicy(
3689                                 Qt::ScrollBarAsNeeded);
3690                 else
3691                         d.current_work_area_->setVerticalScrollBarPolicy(
3692                                 Qt::ScrollBarAlwaysOff);
3693         } else if (ui_component == "statusbar") {
3694                 statusBar()->setVisible(!statusBar()->isVisible());
3695         } else if (ui_component == "menubar") {
3696                 menuBar()->setVisible(!menuBar()->isVisible());
3697         } else
3698 #if QT_VERSION >= 0x040300
3699         if (ui_component == "frame") {
3700                 int l, t, r, b;
3701                 getContentsMargins(&l, &t, &r, &b);
3702                 //are the frames in default state?
3703                 d.current_work_area_->setFrameStyle(QFrame::NoFrame);
3704                 if (l == 0) {
3705                         setContentsMargins(-2, -2, -2, -2);
3706                 } else {
3707                         setContentsMargins(0, 0, 0, 0);
3708                 }
3709         } else
3710 #endif
3711         if (ui_component == "fullscreen") {
3712                 toggleFullScreen();
3713         } else
3714                 return false;
3715         return true;
3716 }
3717
3718
3719 void GuiView::toggleFullScreen()
3720 {
3721         if (isFullScreen()) {
3722                 for (int i = 0; i != d.splitter_->count(); ++i)
3723                         d.tabWorkArea(i)->setFullScreen(false);
3724 #if QT_VERSION >= 0x040300
3725                 setContentsMargins(0, 0, 0, 0);
3726 #endif
3727                 setWindowState(windowState() ^ Qt::WindowFullScreen);
3728                 restoreLayout();
3729                 menuBar()->show();
3730                 statusBar()->show();
3731         } else {
3732                 // bug 5274
3733                 hideDialogs("prefs", 0);
3734                 for (int i = 0; i != d.splitter_->count(); ++i)
3735                         d.tabWorkArea(i)->setFullScreen(true);
3736 #if QT_VERSION >= 0x040300
3737                 setContentsMargins(-2, -2, -2, -2);
3738 #endif
3739                 saveLayout();
3740                 setWindowState(windowState() ^ Qt::WindowFullScreen);
3741                 statusBar()->hide();
3742                 if (lyxrc.full_screen_menubar)
3743                         menuBar()->hide();
3744                 if (lyxrc.full_screen_toolbars) {
3745                         ToolbarMap::iterator end = d.toolbars_.end();
3746                         for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
3747                                 it->second->hide();
3748                 }
3749         }
3750
3751         // give dialogs like the TOC a chance to adapt
3752         updateDialogs();
3753 }
3754
3755
3756 Buffer const * GuiView::updateInset(Inset const * inset)
3757 {
3758         if (!inset)
3759                 return 0;
3760
3761         Buffer const * inset_buffer = &(inset->buffer());
3762
3763         for (int i = 0; i != d.splitter_->count(); ++i) {
3764                 GuiWorkArea * wa = d.tabWorkArea(i)->currentWorkArea();
3765                 if (!wa)
3766                         continue;
3767                 Buffer const * buffer = &(wa->bufferView().buffer());
3768                 if (inset_buffer == buffer)
3769                         wa->scheduleRedraw();
3770         }
3771         return inset_buffer;
3772 }
3773
3774
3775 void GuiView::restartCursor()
3776 {
3777         /* When we move around, or type, it's nice to be able to see
3778          * the cursor immediately after the keypress.
3779          */
3780         if (d.current_work_area_)
3781                 d.current_work_area_->startBlinkingCursor();
3782
3783         // Take this occasion to update the other GUI elements.
3784         updateDialogs();
3785         updateStatusBar();
3786 }
3787
3788
3789 void GuiView::updateCompletion(Cursor & cur, bool start, bool keep)
3790 {
3791         if (d.current_work_area_)
3792                 d.current_work_area_->completer().updateVisibility(cur, start, keep);
3793 }
3794
3795 namespace {
3796
3797 // This list should be kept in sync with the list of insets in
3798 // src/insets/Inset.cpp.  I.e., if a dialog goes with an inset, the
3799 // dialog should have the same name as the inset.
3800 // Changes should be also recorded in LFUN_DIALOG_SHOW doxygen
3801 // docs in LyXAction.cpp.
3802
3803 char const * const dialognames[] = {
3804
3805 "aboutlyx", "bibitem", "bibtex", "box", "branch", "changes", "character",
3806 "citation", "compare", "comparehistory", "document", "errorlist", "ert",
3807 "external", "file", "findreplace", "findreplaceadv", "float", "graphics",
3808 "href", "include", "index", "index_print", "info", "listings", "label", "line",
3809 "log", "mathdelimiter", "mathmatrix", "mathspace", "nomenclature",
3810 "nomencl_print", "note", "paragraph", "phantom", "prefs", "print", "ref",
3811 "sendto", "space", "spellchecker", "symbols", "tabular", "tabularcreate",
3812 "thesaurus", "texinfo", "toc", "view-source", "vspace", "wrap", "progress"};
3813
3814 char const * const * const end_dialognames =
3815         dialognames + (sizeof(dialognames) / sizeof(char *));
3816
3817 class cmpCStr {
3818 public:
3819         cmpCStr(char const * name) : name_(name) {}
3820         bool operator()(char const * other) {
3821                 return strcmp(other, name_) == 0;
3822         }
3823 private:
3824         char const * name_;
3825 };
3826
3827
3828 bool isValidName(string const & name)
3829 {
3830         return find_if(dialognames, end_dialognames,
3831                                 cmpCStr(name.c_str())) != end_dialognames;
3832 }
3833
3834 } // namespace anon
3835
3836
3837 void GuiView::resetDialogs()
3838 {
3839         // Make sure that no LFUN uses any GuiView.
3840         guiApp->setCurrentView(0);
3841         saveLayout();
3842         saveUISettings();
3843         menuBar()->clear();
3844         constructToolbars();
3845         guiApp->menus().fillMenuBar(menuBar(), this, false);
3846         d.layout_->updateContents(true);
3847         // Now update controls with current buffer.
3848         guiApp->setCurrentView(this);
3849         restoreLayout();
3850         restartCursor();
3851 }
3852
3853
3854 Dialog * GuiView::findOrBuild(string const & name, bool hide_it)
3855 {
3856         if (!isValidName(name))
3857                 return 0;
3858
3859         map<string, DialogPtr>::iterator it = d.dialogs_.find(name);
3860
3861         if (it != d.dialogs_.end()) {
3862                 if (hide_it)
3863                         it->second->hideView();
3864                 return it->second.get();
3865         }
3866
3867         Dialog * dialog = build(name);
3868         d.dialogs_[name].reset(dialog);
3869         if (lyxrc.allow_geometry_session)
3870                 dialog->restoreSession();
3871         if (hide_it)
3872                 dialog->hideView();
3873         return dialog;
3874 }
3875
3876
3877 void GuiView::showDialog(string const & name, string const & data,
3878         Inset * inset)
3879 {
3880         triggerShowDialog(toqstr(name), toqstr(data), inset);
3881 }
3882
3883
3884 void GuiView::doShowDialog(QString const & qname, QString const & qdata,
3885         Inset * inset)
3886 {
3887         if (d.in_show_)
3888                 return;
3889
3890         const string name = fromqstr(qname);
3891         const string data = fromqstr(qdata);
3892
3893         d.in_show_ = true;
3894         try {
3895                 Dialog * dialog = findOrBuild(name, false);
3896                 if (dialog) {
3897                         bool const visible = dialog->isVisibleView();
3898                         dialog->showData(data);
3899                         if (inset && currentBufferView())
3900                                 currentBufferView()->editInset(name, inset);
3901                         // We only set the focus to the new dialog if it was not yet
3902                         // visible in order not to change the existing previous behaviour
3903                         if (visible) {
3904                                 // activateWindow is needed for floating dockviews
3905                                 dialog->asQWidget()->raise();
3906                                 dialog->asQWidget()->activateWindow();
3907                                 dialog->asQWidget()->setFocus();
3908                         }
3909                 }
3910         }
3911         catch (ExceptionMessage const & ex) {
3912                 d.in_show_ = false;
3913                 throw ex;
3914         }
3915         d.in_show_ = false;
3916 }
3917
3918
3919 bool GuiView::isDialogVisible(string const & name) const
3920 {
3921         map<string, DialogPtr>::const_iterator it = d.dialogs_.find(name);
3922         if (it == d.dialogs_.end())
3923                 return false;
3924         return it->second.get()->isVisibleView() && !it->second.get()->isClosing();
3925 }
3926
3927
3928 void GuiView::hideDialog(string const & name, Inset * inset)
3929 {
3930         map<string, DialogPtr>::const_iterator it = d.dialogs_.find(name);
3931         if (it == d.dialogs_.end())
3932                 return;
3933
3934         if (inset) {
3935                 if (!currentBufferView())
3936                         return;
3937                 if (inset != currentBufferView()->editedInset(name))
3938                         return;
3939         }
3940
3941         Dialog * const dialog = it->second.get();
3942         if (dialog->isVisibleView())
3943                 dialog->hideView();
3944         if (currentBufferView())
3945                 currentBufferView()->editInset(name, 0);
3946 }
3947
3948
3949 void GuiView::disconnectDialog(string const & name)
3950 {
3951         if (!isValidName(name))
3952                 return;
3953         if (currentBufferView())
3954                 currentBufferView()->editInset(name, 0);
3955 }
3956
3957
3958 void GuiView::hideAll() const
3959 {
3960         map<string, DialogPtr>::const_iterator it  = d.dialogs_.begin();
3961         map<string, DialogPtr>::const_iterator end = d.dialogs_.end();
3962
3963         for(; it != end; ++it)
3964                 it->second->hideView();
3965 }
3966
3967
3968 void GuiView::updateDialogs()
3969 {
3970         map<string, DialogPtr>::const_iterator it  = d.dialogs_.begin();
3971         map<string, DialogPtr>::const_iterator end = d.dialogs_.end();
3972
3973         for(; it != end; ++it) {
3974                 Dialog * dialog = it->second.get();
3975                 if (dialog) {
3976                         if (dialog->needBufferOpen() && !documentBufferView())
3977                                 hideDialog(fromqstr(dialog->name()), 0);
3978                         else if (dialog->isVisibleView())
3979                                 dialog->checkStatus();
3980                 }
3981         }
3982         updateToolbars();
3983         updateLayoutList();
3984 }
3985
3986 Dialog * createDialog(GuiView & lv, string const & name);
3987
3988 // will be replaced by a proper factory...
3989 Dialog * createGuiAbout(GuiView & lv);
3990 Dialog * createGuiBibtex(GuiView & lv);
3991 Dialog * createGuiChanges(GuiView & lv);
3992 Dialog * createGuiCharacter(GuiView & lv);
3993 Dialog * createGuiCitation(GuiView & lv);
3994 Dialog * createGuiCompare(GuiView & lv);
3995 Dialog * createGuiCompareHistory(GuiView & lv);
3996 Dialog * createGuiDelimiter(GuiView & lv);
3997 Dialog * createGuiDocument(GuiView & lv);
3998 Dialog * createGuiErrorList(GuiView & lv);
3999 Dialog * createGuiExternal(GuiView & lv);
4000 Dialog * createGuiGraphics(GuiView & lv);
4001 Dialog * createGuiInclude(GuiView & lv);
4002 Dialog * createGuiIndex(GuiView & lv);
4003 Dialog * createGuiListings(GuiView & lv);
4004 Dialog * createGuiLog(GuiView & lv);
4005 Dialog * createGuiMathMatrix(GuiView & lv);
4006 Dialog * createGuiNote(GuiView & lv);
4007 Dialog * createGuiParagraph(GuiView & lv);
4008 Dialog * createGuiPhantom(GuiView & lv);
4009 Dialog * createGuiPreferences(GuiView & lv);
4010 Dialog * createGuiPrint(GuiView & lv);
4011 Dialog * createGuiPrintindex(GuiView & lv);
4012 Dialog * createGuiRef(GuiView & lv);
4013 Dialog * createGuiSearch(GuiView & lv);
4014 Dialog * createGuiSearchAdv(GuiView & lv);
4015 Dialog * createGuiSendTo(GuiView & lv);
4016 Dialog * createGuiShowFile(GuiView & lv);
4017 Dialog * createGuiSpellchecker(GuiView & lv);
4018 Dialog * createGuiSymbols(GuiView & lv);
4019 Dialog * createGuiTabularCreate(GuiView & lv);
4020 Dialog * createGuiTexInfo(GuiView & lv);
4021 Dialog * createGuiToc(GuiView & lv);
4022 Dialog * createGuiThesaurus(GuiView & lv);
4023 Dialog * createGuiViewSource(GuiView & lv);
4024 Dialog * createGuiWrap(GuiView & lv);
4025 Dialog * createGuiProgressView(GuiView & lv);
4026
4027
4028
4029 Dialog * GuiView::build(string const & name)
4030 {
4031         LASSERT(isValidName(name), return 0);
4032
4033         Dialog * dialog = createDialog(*this, name);
4034         if (dialog)
4035                 return dialog;
4036
4037         if (name == "aboutlyx")
4038                 return createGuiAbout(*this);
4039         if (name == "bibtex")
4040                 return createGuiBibtex(*this);
4041         if (name == "changes")
4042                 return createGuiChanges(*this);
4043         if (name == "character")
4044                 return createGuiCharacter(*this);
4045         if (name == "citation")
4046                 return createGuiCitation(*this);
4047         if (name == "compare")
4048                 return createGuiCompare(*this);
4049         if (name == "comparehistory")
4050                 return createGuiCompareHistory(*this);
4051         if (name == "document")
4052                 return createGuiDocument(*this);
4053         if (name == "errorlist")
4054                 return createGuiErrorList(*this);
4055         if (name == "external")
4056                 return createGuiExternal(*this);
4057         if (name == "file")
4058                 return createGuiShowFile(*this);
4059         if (name == "findreplace")
4060                 return createGuiSearch(*this);
4061         if (name == "findreplaceadv")
4062                 return createGuiSearchAdv(*this);
4063         if (name == "graphics")
4064                 return createGuiGraphics(*this);
4065         if (name == "include")
4066                 return createGuiInclude(*this);
4067         if (name == "index")
4068                 return createGuiIndex(*this);
4069         if (name == "index_print")
4070                 return createGuiPrintindex(*this);
4071         if (name == "listings")
4072                 return createGuiListings(*this);
4073         if (name == "log")
4074                 return createGuiLog(*this);
4075         if (name == "mathdelimiter")
4076                 return createGuiDelimiter(*this);
4077         if (name == "mathmatrix")
4078                 return createGuiMathMatrix(*this);
4079         if (name == "note")
4080                 return createGuiNote(*this);
4081         if (name == "paragraph")
4082                 return createGuiParagraph(*this);
4083         if (name == "phantom")
4084                 return createGuiPhantom(*this);
4085         if (name == "prefs")
4086                 return createGuiPreferences(*this);
4087         if (name == "print")
4088                 return createGuiPrint(*this);
4089         if (name == "ref")
4090                 return createGuiRef(*this);
4091         if (name == "sendto")
4092                 return createGuiSendTo(*this);
4093         if (name == "spellchecker")
4094                 return createGuiSpellchecker(*this);
4095         if (name == "symbols")
4096                 return createGuiSymbols(*this);
4097         if (name == "tabularcreate")
4098                 return createGuiTabularCreate(*this);
4099         if (name == "texinfo")
4100                 return createGuiTexInfo(*this);
4101         if (name == "thesaurus")
4102                 return createGuiThesaurus(*this);
4103         if (name == "toc")
4104                 return createGuiToc(*this);
4105         if (name == "view-source")
4106                 return createGuiViewSource(*this);
4107         if (name == "wrap")
4108                 return createGuiWrap(*this);
4109         if (name == "progress")
4110                 return createGuiProgressView(*this);
4111
4112         return 0;
4113 }
4114
4115
4116 } // namespace frontend
4117 } // namespace lyx
4118
4119 #include "moc_GuiView.cpp"