xref: /glogg/src/mainwindow.h (revision 8a9275b26714800d21fa339fb91ae3a831202cf5)
1 /*
2  * Copyright (C) 2009, 2010, 2011, 2013, 2014 Nicolas Bonnefon and other contributors
3  *
4  * This file is part of glogg.
5  *
6  * glogg is free software: you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation, either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * glogg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with glogg.  If not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #ifndef MAINWINDOW_H
21 #define MAINWINDOW_H
22 
23 #include <memory>
24 #include <QMainWindow>
25 
26 #include "session.h"
27 #include "crawlerwidget.h"
28 #include "infoline.h"
29 #include "signalmux.h"
30 #include "tabbedcrawlerwidget.h"
31 #include "quickfindwidget.h"
32 #include "quickfindmux.h"
33 
34 class QAction;
35 class Session;
36 class RecentFiles;
37 class MenuActionToolTipBehavior;
38 class ExternalCommunicator;
39 
40 // Main window of the application, creates menus, toolbar and
41 // the CrawlerWidget
42 class MainWindow : public QMainWindow
43 {
44     Q_OBJECT
45 
46   public:
47     // Constructor
48     // The ownership of the session is transferred to us
49     MainWindow( std::unique_ptr<Session> session,
50             std::shared_ptr<ExternalCommunicator> external_communicator );
51 
52     // Re-load the files from the previous session
53     void reloadSession();
54     // Loads the initial file (parameter passed or from config file)
55     void loadInitialFile( QString fileName );
56     // Starts the lower priority activities the MW controls such as
57     // version checking etc...
58     void startBackgroundTasks();
59 
60   protected:
61     void closeEvent( QCloseEvent* event );
62     // Drag and drop support
63     void dragEnterEvent( QDragEnterEvent* event );
64     void dropEvent( QDropEvent* event );
65     void keyPressEvent( QKeyEvent* keyEvent );
66 
67   private slots:
68     void open();
69     void openRecentFile();
70     void selectAll();
71     void copy();
72     void find();
73     void filters();
74     void options();
75     void about();
76     void aboutQt();
77 
78     // Change the view settings
79     void toggleOverviewVisibility( bool isVisible );
80     void toggleMainLineNumbersVisibility( bool isVisible );
81     void toggleFilteredLineNumbersVisibility( bool isVisible );
82 
83     // Disable the follow mode checkbox and send the followSet signal down
84     void disableFollow();
85 
86     // Update the line number displayed in the status bar.
87     // Must be passed as the internal (starts at 0) line number.
88     void lineNumberHandler( int line );
89 
90     // Instructs the widget to update the loading progress gauge
91     void updateLoadingProgress( int progress );
92     // Instructs the widget to display the 'normal' status bar,
93     // without the progress gauge and with file info
94     // or an error recovery when loading is finished
95     void handleLoadingFinished( LoadingStatus status );
96 
97     // Close the tab with the passed index
98     void closeTab( int index );
99     // Setup the tab with current index for view
100     void currentTabChanged( int index );
101 
102     // Instructs the widget to change the pattern in the QuickFind widget
103     // and confirm it.
104     void changeQFPattern( const QString& newPattern );
105 
106     // Load a file in a new tab (non-interactive)
107     // (for use from e.g. IPC)
108     void loadFileNonInteractive( const QString& file_name );
109 
110   signals:
111     // Is emitted when new settings must be used
112     void optionsChanged();
113     // Is emitted when the 'follow' option is enabled/disabled
114     void followSet( bool checked );
115     // Is emitted before the QuickFind box is activated,
116     // to allow crawlers to get search in the right view.
117     void enteringQuickFind();
118     // Emitted when the quickfind bar is closed.
119     void exitingQuickFind();
120 
121   private:
122     void createActions();
123     void createMenus();
124     void createContextMenu();
125     void createToolBars();
126     void createStatusBar();
127     void createRecentFileToolTipTimer();
128     void readSettings();
129     void writeSettings();
130     bool loadFile( const QString& fileName );
131     void updateTitleBar( const QString& file_name );
132     void updateRecentFileActions();
133     QString strippedName( const QString& fullFileName ) const;
134     CrawlerWidget* currentCrawlerWidget() const;
135     void displayQuickFindBar( QuickFindMux::QFDirection direction );
136 
137     std::unique_ptr<Session> session_;
138     std::shared_ptr<ExternalCommunicator> externalCommunicator_;
139     std::shared_ptr<RecentFiles> recentFiles_;
140     QString loadingFileName;
141 
142     enum { MaxRecentFiles = 5 };
143     QAction *recentFileActions[MaxRecentFiles];
144     MenuActionToolTipBehavior *recentFileActionBehaviors[MaxRecentFiles];
145     QAction *separatorAction;
146 
147     QMenu *fileMenu;
148     QMenu *editMenu;
149     QMenu *viewMenu;
150     QMenu *toolsMenu;
151     QMenu *helpMenu;
152 
153     InfoLine *infoLine;
154     QLabel* lineNbField;
155     QToolBar *toolBar;
156 
157     QAction *openAction;
158     QAction *exitAction;
159     QAction *copyAction;
160     QAction *selectAllAction;
161     QAction *findAction;
162     QAction *overviewVisibleAction;
163     QAction *lineNumbersVisibleInMainAction;
164     QAction *lineNumbersVisibleInFilteredAction;
165     QAction *followAction;
166     QAction *reloadAction;
167     QAction *stopAction;
168     QAction *filtersAction;
169     QAction *optionsAction;
170     QAction *aboutAction;
171     QAction *aboutQtAction;
172 
173     QIcon mainIcon_;
174 
175     // Multiplex signals to any of the CrawlerWidgets
176     SignalMux signalMux_;
177 
178     // QuickFind widget
179     QuickFindWidget quickFindWidget_;
180 
181     // Multiplex signals to/from the QuickFindWidget
182     QuickFindMux quickFindMux_;
183 
184     // The main widget
185     TabbedCrawlerWidget mainTabWidget_;
186 };
187 
188 #endif
189