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Fix #849 by making sure no references to the DecodeTrace instance remain
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1 /*
2  * This file is part of the PulseView project.
3  *
4  * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
5  *
6  * This program 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 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program 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 this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
19  */
20
21 #ifndef PULSEVIEW_PV_MAINWINDOW_HPP
22 #define PULSEVIEW_PV_MAINWINDOW_HPP
23
24 #include <list>
25 #include <map>
26 #include <memory>
27
28 #include <QMainWindow>
29 #include <QSignalMapper>
30 #include <QToolButton>
31 #include <QTabWidget>
32
33 #include "session.hpp"
34 #include "views/viewbase.hpp"
35
36 struct srd_decoder;
37
38 class QVBoxLayout;
39
40 namespace pv {
41
42 class DeviceManager;
43
44 namespace toolbars {
45 class ContextBar;
46 class MainBar;
47 }
48
49 namespace view {
50 class View;
51 }
52
53 namespace widgets {
54 #ifdef ENABLE_DECODE
55 class DecoderMenu;
56 #endif
57 }
58
59 class MainWindow : public QMainWindow
60 {
61         Q_OBJECT
62
63 private:
64         static const QString WindowTitle;
65
66 public:
67         explicit MainWindow(DeviceManager &device_manager,
68                 std::string open_file_name = std::string(),
69                 std::string open_file_format = std::string(),
70                 QWidget *parent = 0);
71
72         ~MainWindow();
73
74         QAction* action_view_sticky_scrolling() const;
75         QAction* action_view_coloured_bg() const;
76         QAction* action_about() const;
77
78         std::shared_ptr<views::ViewBase> get_active_view() const;
79
80         std::shared_ptr<views::ViewBase> add_view(const QString &title,
81                 views::ViewType type, Session &session);
82
83         std::shared_ptr<Session> add_session();
84
85         void remove_session(std::shared_ptr<Session> session);
86
87 private:
88         void setup_ui();
89
90         void save_ui_settings();
91
92         void restore_ui_settings();
93
94         std::shared_ptr<Session> get_tab_session(int index) const;
95
96         void closeEvent(QCloseEvent *event);
97
98         virtual QMenu* createPopupMenu();
99
100         virtual bool restoreState(const QByteArray &state, int version = 0);
101
102         void session_error(const QString text, const QString info_text);
103
104 private Q_SLOTS:
105         void show_session_error(const QString text, const QString info_text);
106
107         void on_add_view(const QString &title, views::ViewType type,
108                 Session *session);
109
110         void on_focus_changed();
111         void on_focused_session_changed(std::shared_ptr<Session> session);
112
113         void on_new_session_clicked();
114         void on_run_stop_clicked();
115
116         void on_session_name_changed();
117         void on_capture_state_changed(QObject *obj);
118
119         void on_new_view(Session *session);
120         void on_view_close_clicked();
121
122         void on_tab_changed(int index);
123         void on_tab_close_requested(int index);
124
125         void on_actionViewStickyScrolling_triggered();
126
127         void on_actionViewColouredBg_triggered();
128
129         void on_actionAbout_triggered();
130
131 private:
132         DeviceManager &device_manager_;
133
134         std::list< std::shared_ptr<Session> > sessions_;
135         std::shared_ptr<Session> last_focused_session_;
136
137         std::map< QDockWidget*, std::shared_ptr<views::ViewBase> > view_docks_;
138
139         std::map< std::shared_ptr<Session>, QMainWindow*> session_windows_;
140
141         QWidget *static_tab_widget_;
142         QToolButton *new_session_button_, *run_stop_button_, *settings_button_;
143         QTabWidget session_selector_;
144         QSignalMapper session_state_mapper_;
145
146         QAction *const action_view_sticky_scrolling_;
147         QAction *const action_view_coloured_bg_;
148         QAction *const action_about_;
149
150         QIcon icon_red_;
151         QIcon icon_green_;
152         QIcon icon_grey_;
153 };
154
155 } // namespace pv
156
157 #endif // PULSEVIEW_PV_MAINWINDOW_HPP