4 * This file is part of LyX, the document processor.
5 * Licence details can be found in the file COPYING.
7 * \author Lars Gullik Bjornes
9 * \author Abdelrazak Younes
10 * \author Peter Kümmel
12 * Full author contact details are available in file CREDITS.
18 #include "frontends/Delegates.h"
20 #include "support/strfwd.h"
22 #include <QMainWindow>
25 class QDragEnterEvent;
33 namespace support { class FileName; }
54 * GuiView - Qt4 main LyX window
56 * This class represents the main LyX window and provides
57 * accessor functions to its content.
59 * Note: a QObject emits a destroyed(QObject *) Qt signal when it
60 * is deleted. This might be useful for closing other dialogs
61 * depending on a given GuiView.
63 class GuiView : public QMainWindow, public GuiBufferViewDelegate,
64 public GuiBufferDelegate
69 /// create a main window of the given dimensions
74 int id() const { return id_; }
81 /// \name Generic accessor functions
83 /// The current BufferView refers to the BufferView that has the focus,
84 /// including for example the one that is created when you use the
85 /// advanced search and replace pane.
86 /// \return the currently selected buffer view.
87 BufferView * currentBufferView();
88 BufferView const * currentBufferView() const;
90 /// The document BufferView always refers to the view's main document
91 /// BufferView. So, even if the BufferView in e.g., the advanced
92 /// search and replace pane has the focus.
93 /// \return the current document buffer view.
94 BufferView * documentBufferView();
95 BufferView const * documentBufferView() const;
97 void newDocument(std::string const & filename,
100 /// display a message in the view
101 /// could be called from any thread
102 void message(docstring const &);
104 bool getStatus(FuncRequest const & cmd, FuncStatus & flag);
105 /// dispatch command.
106 /// \return true if the \c FuncRequest has been dispatched.
107 void dispatch(FuncRequest const & cmd, DispatchResult & dr);
109 void restartCursor();
110 /// Update the completion popup and the inline completion state.
111 /// If \c start is true, then a new completion might be started.
112 /// If \c keep is true, an active completion will be kept active
113 /// even though the cursor moved. The update flags of \c cur might
115 void updateCompletion(Cursor & cur, bool start, bool keep);
121 void focusInEvent(QFocusEvent * e);
122 /// set a buffer to the current workarea.
123 void setBuffer(Buffer * b); ///< \c Buffer to set.
125 /// load a document into the current workarea.
126 Buffer * loadDocument(
127 support::FileName const & name, ///< File to load.
128 bool tolastfiles = true ///< append to the "Open recent" menu?
131 /// add toolbar, if newline==true, add a toolbar break before the toolbar
132 GuiToolbar * makeToolbar(ToolbarInfo const & tbinfo, bool newline);
133 void updateStatusBar();
135 /// updates the possible layouts selectable
136 void updateLayoutList();
137 void updateToolbars();
138 QMenu * createPopupMenu();
141 LayoutBox * getLayoutDialog() const;
143 /// hides the workarea and makes sure it is clean
144 bool hideWorkArea(GuiWorkArea * wa);
145 /// closes the workarea
146 bool closeWorkArea(GuiWorkArea * wa);
147 /// closes the buffer
148 bool closeBuffer(Buffer & buf);
150 void openDocument(std::string const & filename);
152 void importDocument(std::string const &);
154 /// \name GuiBufferDelegate.
156 void resetAutosaveTimers();
157 void errors(std::string const &, bool from_master = false);
158 void structureChanged();
159 void updateTocItem(std::string const &, DocIterator const &);
163 TocModels & tocModels();
165 /// called on timeout
168 /// check for external change of any opened buffer, mainly for svn usage
169 void checkExternallyModifiedBuffers();
171 /** redraw \c inset in all the BufferViews in which it is currently
172 * visible. If successful return a pointer to the owning Buffer.
174 Buffer const * updateInset(Inset const *);
176 /// \return the \c Workarea associated to \p Buffer
177 /// \retval 0 if no \c WorkArea is found.
178 GuiWorkArea * workArea(Buffer & buffer);
180 /// Add a \c WorkArea
181 /// \return the \c Workarea associated to \p Buffer
182 /// \retval 0 if no \c WorkArea is found.
183 GuiWorkArea * addWorkArea(Buffer & buffer);
184 /// \param work_area The current \c WorkArea, or \c NULL
185 void setCurrentWorkArea(GuiWorkArea * work_area);
187 void removeWorkArea(GuiWorkArea * work_area);
188 /// return the current WorkArea (the one that has the focus).
189 GuiWorkArea const * currentWorkArea() const;
190 /// return the current WorkArea (the one that has the focus).
191 GuiWorkArea * currentWorkArea();
193 /// return the current document WorkArea (it may not have the focus).
194 GuiWorkArea const * currentMainWorkArea() const;
195 /// return the current document WorkArea (it may not have the focus).
196 GuiWorkArea * currentMainWorkArea();
200 void triggerShowDialog(QString const & qname, QString const & qdata, Inset * inset);
204 /// clear any temporary message and replace with current status.
209 void updateWindowTitle(GuiWorkArea * wa);
211 void resetWindowTitleAndIconText();
214 void on_currentWorkAreaChanged(GuiWorkArea *);
216 void on_lastWorkAreaRemoved();
218 /// slots to change the icon size
219 void smallSizedIcons();
220 void normalSizedIcons();
221 void bigSizedIcons();
223 /// For completion of autosave or exporrt threads.
224 void threadFinished();
226 /// must be called in GUI thread
227 void doShowDialog(QString const & qname, QString const & qdata,
230 /// must be called from GUI thread
231 void updateStatusBarMessage(QString const & str);
232 void clearMessageText();
235 /// Open given child document in current buffer directory.
236 void openChildDocument(std::string const & filename);
237 /// Close current document buffer.
239 /// Close all document buffers.
240 bool closeBufferAll();
242 TabWorkArea * addTabWorkArea();
244 /// connect to signals in the given BufferView
245 void connectBufferView(BufferView & bv);
246 /// disconnect from signals in the given BufferView
247 void disconnectBufferView();
248 /// connect to signals in the given buffer
249 void connectBuffer(Buffer & buf);
250 /// disconnect from signals in the given buffer
251 void disconnectBuffer();
253 void dragEnterEvent(QDragEnterEvent * ev);
255 void dropEvent(QDropEvent * ev);
256 /// make sure we quit cleanly
257 void closeEvent(QCloseEvent * e);
259 void showEvent(QShowEvent *);
261 /// in order to catch Tab key press.
262 bool event(QEvent * e);
263 bool focusNextPrevChild(bool);
266 bool goToFileRow(std::string const & argument);
269 struct GuiViewPrivate;
274 /// dialogs for this view
280 /// Hide all visible dialogs
281 void hideAll() const;
283 /// Update all visible dialogs.
285 * Check the status of all visible dialogs and disable or reenable
286 * them as appropriate.
288 * Disabling is needed for example when a dialog is open and the
289 * cursor moves to a position where the corresponding inset is not
292 void updateDialogs();
294 /** Show dialog could be called from arbitrary threads.
295 \param name == "bibtex", "citation" etc; an identifier used to
296 launch a particular dialog.
297 \param data is a string representation of the Inset contents.
298 It is often little more than the output from Inset::write.
299 It is passed to, and parsed by, the frontend dialog.
300 Several of these dialogs do not need any data,
301 so it defaults to string().
302 \param inset ownership is _not_ passed to the frontend dialog.
303 It is stored internally and used by the kernel to ascertain
304 what to do with the FuncRequest dispatched from the frontend
305 dialog on 'Apply'; should it be used to create a new inset at
306 the current cursor position or modify an existing, 'open' inset?
308 void showDialog(std::string const & name,
309 std::string const & data, Inset * inset = 0);
311 /** \param name == "citation", "bibtex" etc; an identifier used
312 to reset the contents of a particular dialog with \param data.
313 See the comments to 'show', above.
315 void updateDialog(std::string const & name, std::string const & data);
317 /** All Dialogs of the given \param name will be closed if they are
318 connected to the given \param inset.
320 void hideDialog(std::string const & name, Inset * inset);
322 void disconnectDialog(std::string const & name);
326 void saveLayout() const;
328 bool restoreLayout();
330 GuiToolbar * toolbar(std::string const & name);
332 void constructToolbars();
336 bool lfunUiToggle(std::string const & ui_component);
338 void toggleFullScreen();
340 void insertLyXFile(docstring const & fname);
342 void insertPlaintextFile(docstring const & fname,
345 /// Save a buffer as a new file.
347 Write a buffer to a new file name and rename the buffer
348 according to the new file name.
350 This function is e.g. used by menu callbacks and
351 LFUN_BUFFER_WRITE_AS.
353 If 'newname' is empty, the user is asked via a
354 dialog for the buffer's new name and location.
356 If 'newname' is non-empty and has an absolute path, that is used.
357 Otherwise the base directory of the buffer is used as the base
358 for any relative path in 'newname'.
360 bool renameBuffer(Buffer & b, docstring const & newname);
362 bool saveBuffer(Buffer & b);
363 /// closes a workarea, if close_buffer is true the buffer will
364 /// also be released, otherwise the buffer will be hidden.
365 bool closeWorkArea(GuiWorkArea * wa, bool close_buffer);
366 /// closes the tabworkarea and all tabs. If we are in a close event,
367 /// all buffers will be closed, otherwise they will be hidden.
368 bool closeTabWorkArea(TabWorkArea * twa);
369 /// gives the user the possibility to save his work
370 /// or to discard the changes. If hiding is true, the
371 /// document will be reloaded.
372 bool saveBufferIfNeeded(Buffer & buf, bool hiding);
373 /// closes all workareas
374 bool closeWorkAreaAll();
375 /// write all open workareas into the session file
376 void writeSession() const;
377 /// is the buffer in this workarea also shown in another tab ?
378 /// This tab can either be in the same view or in another one.
379 bool inMultiTabs(GuiWorkArea * wa);
380 /// is the buffer in this workarea also shown in another view ?
381 bool inMultiViews(GuiWorkArea * wa);
383 enum NextOrPrevious {
388 void gotoNextOrPreviousBuffer(NextOrPrevious np);
390 /// Is the dialog currently visible?
391 bool isDialogVisible(std::string const & name) const;
393 Dialog * findOrBuild(std::string const & name, bool hide_it);
395 Dialog * build(std::string const & name);
399 void dispatchVC(FuncRequest const & cmd);
406 /// flag to avoid two concurrent close events.
408 /// if the view is busy the cursor shouldn't blink for instance.
412 } // namespace frontend