View: Limit header pane width
[pulseview.git] / pv / toolbars / mainbar.hpp
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, see <http://www.gnu.org/licenses/>.
18  */
19
20 #ifndef PULSEVIEW_PV_TOOLBARS_MAINBAR_HPP
21 #define PULSEVIEW_PV_TOOLBARS_MAINBAR_HPP
22
23 #include <cstdint>
24 #include <list>
25 #include <memory>
26
27 #include <glibmm/variant.h>
28
29 #include <QComboBox>
30 #include <QDoubleSpinBox>
31 #include <QMenu>
32 #include <QToolBar>
33 #include <QToolButton>
34
35 #include <pv/session.hpp>
36 #include <pv/views/trace/standardbar.hpp>
37 #include <pv/widgets/devicetoolbutton.hpp>
38 #include <pv/widgets/popuptoolbutton.hpp>
39 #include <pv/widgets/sweeptimingwidget.hpp>
40
41 using std::shared_ptr;
42
43 namespace sigrok {
44 class Device;
45 class InputFormat;
46 class OutputFormat;
47 }
48
49 Q_DECLARE_METATYPE(shared_ptr<sigrok::Device>)
50
51 class QAction;
52
53 namespace pv {
54
55 class MainWindow;
56 class Session;
57
58 namespace views {
59 namespace TraceView {
60 class View;
61 }
62 }
63
64 namespace toolbars {
65
66 class MainBar : public pv::views::trace::StandardBar
67 {
68         Q_OBJECT
69
70 private:
71         static const uint64_t MinSampleCount;
72         static const uint64_t MaxSampleCount;
73         static const uint64_t DefaultSampleCount;
74
75         /**
76          * Name of the setting used to remember the directory
77          * containing the last file that was opened.
78          */
79         static const char *SettingOpenDirectory;
80
81         /**
82          * Name of the setting used to remember the directory
83          * containing the last file that was saved.
84          */
85         static const char *SettingSaveDirectory;
86
87 public:
88         MainBar(Session &session, QWidget *parent,
89                 pv::views::TraceView::View *view);
90
91         void update_device_list();
92
93         void set_capture_state(pv::Session::capture_state state);
94
95         void reset_device_selector();
96
97         QAction* action_new_view() const;
98         QAction* action_open() const;
99         QAction* action_save_as() const;
100         QAction* action_save_selection_as() const;
101         QAction* action_connect() const;
102
103         void session_error(const QString text, const QString info_text);
104
105 private:
106         void run_stop();
107
108         void select_init_device();
109
110         void save_selection_to_file();
111
112         void update_sample_rate_selector();
113         void update_sample_rate_selector_value();
114         void update_sample_count_selector();
115         void update_device_config_widgets();
116         void commit_sample_rate();
117         void commit_sample_count();
118
119         QAction *const action_new_view_;
120         QAction *const action_open_;
121         QAction *const action_save_as_;
122         QAction *const action_save_selection_as_;
123         QAction *const action_connect_;
124
125 private Q_SLOTS:
126         void show_session_error(const QString text, const QString info_text);
127
128         void add_decoder(srd_decoder *decoder);
129
130         void export_file(shared_ptr<sigrok::OutputFormat> format,
131                 bool selection_only = false);
132         void import_file(shared_ptr<sigrok::InputFormat> format);
133
134         void on_device_selected();
135         void on_device_changed();
136         void on_capture_state_changed(int state);
137         void on_sample_count_changed();
138         void on_sample_rate_changed();
139
140         void on_config_changed();
141
142         void on_actionNewView_triggered();
143
144         void on_actionOpen_triggered();
145         void on_actionSaveAs_triggered();
146         void on_actionSaveSelectionAs_triggered();
147
148         void on_actionConnect_triggered();
149
150 protected:
151         void add_toolbar_widgets();
152
153         bool eventFilter(QObject *watched, QEvent *event);
154
155 Q_SIGNALS:
156         void new_view(Session *session);
157
158 private:
159         QToolButton *open_button_, *save_button_;
160
161         pv::widgets::DeviceToolButton device_selector_;
162
163         pv::widgets::PopupToolButton configure_button_;
164         QAction *configure_button_action_;
165
166         pv::widgets::PopupToolButton channels_button_;
167         QAction *channels_button_action_;
168
169         pv::widgets::SweepTimingWidget sample_count_;
170         pv::widgets::SweepTimingWidget sample_rate_;
171         bool updating_sample_rate_;
172         bool updating_sample_count_;
173
174         bool sample_count_supported_;
175
176 #ifdef ENABLE_DECODE
177         QToolButton *add_decoder_button_;
178         QMenu *const menu_decoders_add_;
179 #endif
180 };
181
182 } // namespace toolbars
183 } // namespace pv
184
185 #endif // PULSEVIEW_PV_TOOLBARS_MAINBAR_HPP