2 * \file GuiApplication.h
3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
8 * \author Abdelrazak Younes
10 * Full author contact details are available in file CREDITS.
13 #ifndef GUIAPPLICATION_H
14 #define GUIAPPLICATION_H
16 #include "frontends/Application.h"
18 #include <QApplication>
21 class QAbstractItemModel;
23 class QSessionManager;
43 /// The Qt main application class
45 There should be only one instance of this class. No Qt object
46 initialisation should be done before the instantiation of this class.
48 class GuiApplication : public QApplication, public Application
53 GuiApplication(int & argc, char ** argv);
56 /// \name Methods inherited from Application class
58 void dispatch(FuncRequest const &);
59 void dispatch(FuncRequest const &, DispatchResult & dr);
60 FuncStatus getStatus(FuncRequest const & cmd) const;
61 void restoreGuiSession();
62 Buffer const * updateInset(Inset const * inset) const;
64 void exit(int status);
65 bool event(QEvent * e);
66 bool getRgbColor(ColorCode col, RGBColor & rgbcol);
67 std::string const hexName(ColorCode col);
68 void registerSocketCallback(int fd, SocketCallback func);
69 void unregisterSocketCallback(int fd);
70 bool searchMenu(FuncRequest const & func, docstring_list & names) const;
71 void handleKeyFunc(FuncCode action);
75 bool getStatus(FuncRequest const & cmd, FuncStatus & status) const;
77 void hideDialogs(std::string const & name, Inset * inset) const;
82 Clipboard & clipboard();
84 Selection & selection();
86 FontLoader & fontLoader();
89 Toolbars const & toolbars() const;
91 Toolbars & toolbars();
93 Menus const & menus() const;
97 /// \name Methods inherited from QApplication class
99 bool notify(QObject * receiver, QEvent * event);
100 void commitData(QSessionManager & sm);
102 bool x11EventFilter(XEvent * ev);
106 /// Create the main window with given geometry settings.
107 /// \param geometry_arg: only for Windows platform.
108 /// \param optional id identifier.
109 void createView(QString const & geometry_arg = QString(),
110 bool autoShow = true, int id = 0);
111 /// FIXME: this method and the one above are quite ugly.
112 void createView(int id);
114 GuiView const * currentView() const { return current_view_; }
116 GuiView * currentView() { return current_view_; }
118 void setCurrentView(GuiView * view) { current_view_ = view; }
120 QList<int> viewIds() const;
122 /// Clear all session information.
126 ColorCache & colorCache();
128 QAbstractItemModel * languageModel();
130 /// return a suitable serif font name.
131 QString const romanFontName();
133 /// return a suitable sans serif font name.
134 QString const sansFontName();
136 /// return a suitable monospaced font name.
137 QString const typewriterFontName();
139 void unregisterView(GuiView * gv);
141 GuiView & view(int id) const;
143 /// Current ratio between physical pixels and device-independent pixels
144 double pixelRatio() const;
146 void processKeySym(KeySymbol const & key, KeyModifier state);
147 /// return the status bar state string
148 docstring viewStatusMessage();
150 /// \name Methods to process FuncRequests
152 /// process the func request
153 void processFuncRequest(FuncRequest const &);
154 /// add a func request to the queue and process it asynchronously
155 /// \note As a side-effect this will also process the
156 /// func requests that were added to the queue before.
157 void processFuncRequestAsync(FuncRequest const &);
158 /// process the func requests in the queue
159 void processFuncRequestQueue();
160 /// process the func requests in the queue asynchronously
161 void processFuncRequestQueueAsync();
162 /// add a func request to the queue for later processing
163 void addToFuncRequestQueue(FuncRequest const &);
167 /// openFile: whether or not open a file if the file is not opened
168 /// switchToBuffer: whether or not switch to buffer if the buffer is
169 /// not the current buffer
170 void gotoBookmark(unsigned int idx, bool openFile, bool switchToBuffer);
172 /// Start a long operation with some cancel possibility (button or ESC)
173 void startLongOperation();
174 /// This needs to be periodically called to avoid freezing the GUI
175 bool longOperationCancelled();
176 /// Stop the long operation mode (i.e., release the GUI)
177 void stopLongOperation();
178 /// A started long operation is still in progress ?
179 bool longOperationStarted();
182 void execBatchCommands();
184 void socketDataReceived(int fd);
185 /// events to be triggered by Private::general_timer_ should go here
186 void handleRegularEvents();
188 void onLastWindowClosed();
190 void slotProcessFuncRequestQueue() { processFuncRequestQueue(); }
194 void validateCurrentView();
196 void updateCurrentView(FuncRequest const & cmd, DispatchResult & dr);
198 bool closeAllViews();
199 /// read the given ui (menu/toolbar) file
200 bool readUIFile(QString const & name, bool include = false);
208 ReturnValues readUIFile(support::FileName);
210 void setGuiLanguage();
212 void reconfigure(std::string const & option);
214 /// This GuiView is the one receiving Clipboard and Selection
216 GuiView * current_view_;
223 extern GuiApplication * guiApp;
225 /// \return the icon file name for the given action.
226 QString iconName(FuncRequest const & f, bool unknown);
228 /// \return the pixmap for the given path, name and extension.
229 QPixmap getPixmap(QString const & path, QString const & name, QString const & ext);
231 /// \return an icon for the given action.
232 QIcon getIcon(FuncRequest const & f, bool unknown);
235 GuiApplication * theGuiApp();
237 } // namespace frontend
240 #endif // GUIAPPLICATION_H