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Added UI error handling for file loading and capturing
[pulseview.git] / pv / mainwindow.cpp
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 #include <sigrokdecode.h>
22
23 #include <boost/bind.hpp>
24
25 #include <QAction>
26 #include <QApplication>
27 #include <QButtonGroup>
28 #include <QFileDialog>
29 #include <QMessageBox>
30 #include <QMenu>
31 #include <QMenuBar>
32 #include <QStatusBar>
33 #include <QVBoxLayout>
34 #include <QWidget>
35
36 #include "mainwindow.h"
37 #include "samplingbar.h"
38 #include "dialogs/about.h"
39 #include "dialogs/connect.h"
40 #include "view/view.h"
41
42 /* __STDC_FORMAT_MACROS is required for PRIu64 and friends (in C++). */
43 #define __STDC_FORMAT_MACROS
44 #include <inttypes.h>
45 #include <stdint.h>
46 #include <stdarg.h>
47 #include <glib.h>
48 #include <libsigrok/libsigrok.h>
49
50
51 namespace pv {
52
53 MainWindow::MainWindow(const char *open_file_name,
54         QWidget *parent) :
55         QMainWindow(parent)
56 {
57         setup_ui();
58         if (open_file_name) {
59                 const QString s(QString::fromUtf8(open_file_name));
60                 QMetaObject::invokeMethod(this, "load_file",
61                         Qt::QueuedConnection,
62                         Q_ARG(QString, s));
63         }
64 }
65
66 void MainWindow::setup_ui()
67 {
68         setObjectName(QString::fromUtf8("MainWindow"));
69
70         resize(1024, 768);
71
72         // Set the window icon
73         QIcon icon;
74         icon.addFile(QString::fromUtf8(":/icons/sigrok-logo-notext.png"),
75                 QSize(), QIcon::Normal, QIcon::Off);
76         setWindowIcon(icon);
77
78         // Setup the central widget
79         _central_widget = new QWidget(this);
80         _vertical_layout = new QVBoxLayout(_central_widget);
81         _vertical_layout->setSpacing(6);
82         _vertical_layout->setContentsMargins(0, 0, 0, 0);
83         setCentralWidget(_central_widget);
84
85         _view = new pv::view::View(_session, this);
86         _vertical_layout->addWidget(_view);
87
88         // Setup the menu bar
89         _menu_bar = new QMenuBar(this);
90         _menu_bar->setGeometry(QRect(0, 0, 400, 25));
91
92         // File Menu
93         _menu_file = new QMenu(_menu_bar);
94         _menu_file->setTitle(QApplication::translate(
95                 "MainWindow", "&File", 0, QApplication::UnicodeUTF8));
96
97         _action_open = new QAction(this);
98         _action_open->setText(QApplication::translate(
99                 "MainWindow", "&Open...", 0, QApplication::UnicodeUTF8));
100         _action_open->setIcon(QIcon::fromTheme("document-open",
101                 QIcon(":/icons/document-open.png")));
102         _action_open->setObjectName(QString::fromUtf8("actionOpen"));
103         _menu_file->addAction(_action_open);
104
105         _menu_file->addSeparator();
106
107         _action_connect = new QAction(this);
108         _action_connect->setText(QApplication::translate(
109                 "MainWindow", "&Connect to Device...", 0,
110                 QApplication::UnicodeUTF8));
111         _action_connect->setObjectName(QString::fromUtf8("actionConnect"));
112         _menu_file->addAction(_action_connect);
113
114         _menu_file->addSeparator();
115
116         _action_quit = new QAction(this);
117         _action_quit->setText(QApplication::translate(
118                 "MainWindow", "&Quit", 0, QApplication::UnicodeUTF8));
119         _action_quit->setIcon(QIcon::fromTheme("application-exit",
120                 QIcon(":/icons/application-exit.png")));
121         _action_quit->setObjectName(QString::fromUtf8("actionQuit"));
122         _menu_file->addAction(_action_quit);
123
124         // View Menu
125         _menu_view = new QMenu(_menu_bar);
126         _menu_view->setTitle(QApplication::translate(
127                 "MainWindow", "&View", 0, QApplication::UnicodeUTF8));
128
129         _action_view_zoom_in = new QAction(this);
130         _action_view_zoom_in->setText(QApplication::translate(
131                 "MainWindow", "Zoom &In", 0, QApplication::UnicodeUTF8));
132         _action_view_zoom_in->setIcon(QIcon::fromTheme("zoom-in",
133                 QIcon(":/icons/zoom-in.png")));
134         _action_view_zoom_in->setObjectName(
135                 QString::fromUtf8("actionViewZoomIn"));
136         _menu_view->addAction(_action_view_zoom_in);
137
138         _action_view_zoom_out = new QAction(this);
139         _action_view_zoom_out->setText(QApplication::translate(
140                 "MainWindow", "Zoom &Out", 0, QApplication::UnicodeUTF8));
141         _action_view_zoom_out->setIcon(QIcon::fromTheme("zoom-out",
142                 QIcon(":/icons/zoom-out.png")));
143         _action_view_zoom_out->setObjectName(
144                 QString::fromUtf8("actionViewZoomOut"));
145         _menu_view->addAction(_action_view_zoom_out);
146
147         _menu_view->addSeparator();
148
149         _action_view_show_cursors = new QAction(this);
150         _action_view_show_cursors->setCheckable(true);
151         _action_view_show_cursors->setChecked(_view->cursors_shown());
152         _action_view_show_cursors->setObjectName(
153                 QString::fromUtf8("actionViewShowCursors"));
154         _action_view_show_cursors->setText(QApplication::translate(
155                 "MainWindow", "Show &Cursors", 0, QApplication::UnicodeUTF8));
156         _menu_view->addAction(_action_view_show_cursors);
157
158         // Help Menu
159         _menu_help = new QMenu(_menu_bar);
160         _menu_help->setTitle(QApplication::translate(
161                 "MainWindow", "&Help", 0, QApplication::UnicodeUTF8));
162
163         _action_about = new QAction(this);
164         _action_about->setObjectName(QString::fromUtf8("actionAbout"));
165         _action_about->setText(QApplication::translate(
166                 "MainWindow", "&About...", 0, QApplication::UnicodeUTF8));
167         _menu_help->addAction(_action_about);
168
169         _menu_bar->addAction(_menu_file->menuAction());
170         _menu_bar->addAction(_menu_view->menuAction());
171         _menu_bar->addAction(_menu_help->menuAction());
172
173         setMenuBar(_menu_bar);
174         QMetaObject::connectSlotsByName(this);
175
176         // Setup the toolbars
177         _toolbar = new QToolBar(this);
178         _toolbar->addAction(_action_open);
179         _toolbar->addSeparator();
180         _toolbar->addAction(_action_view_zoom_in);
181         _toolbar->addAction(_action_view_zoom_out);
182         addToolBar(_toolbar);
183
184         _sampling_bar = new SamplingBar(this);
185         scan_devices();
186         connect(_sampling_bar, SIGNAL(run_stop()), this,
187                 SLOT(run_stop()));
188         addToolBar(_sampling_bar);
189
190         setWindowTitle(QApplication::translate("MainWindow", "PulseView", 0,
191                 QApplication::UnicodeUTF8));
192
193         // Setup _session events
194         connect(&_session, SIGNAL(capture_state_changed(int)), this,
195                 SLOT(capture_state_changed(int)));
196
197 }
198
199 void MainWindow::scan_devices()
200 {
201         _devices.clear();
202
203         /* Scan all drivers for all devices. */
204         struct sr_dev_driver **const drivers = sr_driver_list();
205         for (struct sr_dev_driver **driver = drivers; *driver; driver++) {
206                 GSList *const devices = sr_driver_scan(*driver, NULL);
207                 for (GSList *l = devices; l; l = l->next)
208                         _devices.push_back((sr_dev_inst*)l->data);
209                 g_slist_free(devices);
210         }
211
212         assert(_sampling_bar);
213         _sampling_bar->set_device_list(_devices);
214 }
215
216 void MainWindow::session_error(
217         const QString text, const QString info_text)
218 {
219         QMetaObject::invokeMethod(this, "show_session_error",
220                 Qt::QueuedConnection, Q_ARG(QString, text),
221                 Q_ARG(QString, info_text));
222 }
223
224 void MainWindow::load_file(QString file_name)
225 {
226         const QString errorMessage(
227                 QString("Failed to load file %1").arg(file_name));
228         const QString infoMessage;
229         _session.load_file(file_name.toStdString(),
230                 boost::bind(&MainWindow::session_error, this,
231                         errorMessage, infoMessage));
232 }
233
234 void MainWindow::show_session_error(
235         const QString text, const QString info_text)
236 {
237         QMessageBox msg(this);
238         msg.setText(text);
239         msg.setInformativeText(info_text);
240         msg.setStandardButtons(QMessageBox::Ok);
241         msg.setIcon(QMessageBox::Warning);
242         msg.exec();
243 }
244
245 void MainWindow::on_actionOpen_triggered()
246 {
247         const QString file_name = QFileDialog::getOpenFileName(
248                 this, tr("Open File"), "",
249                 tr("Sigrok Sessions (*.sr)"));
250         load_file(file_name);
251 }
252
253 void MainWindow::on_actionConnect_triggered()
254 {
255         dialogs::Connect dlg(this);
256         if (!dlg.exec())
257                 return;
258
259         struct sr_dev_inst *const sdi = dlg.get_selected_device();
260         if (sdi) {
261                 assert(_sampling_bar);
262
263                 _devices.push_back(sdi);
264                 _sampling_bar->set_device_list(_devices);
265                 _sampling_bar->set_selected_device(sdi);
266         }
267 }
268
269 void MainWindow::on_actionQuit_triggered()
270 {
271         close();
272 }
273
274 void MainWindow::on_actionViewZoomIn_triggered()
275 {
276         _view->zoom(1);
277 }
278
279 void MainWindow::on_actionViewZoomOut_triggered()
280 {
281         _view->zoom(-1);
282 }
283
284 void MainWindow::on_actionViewShowCursors_triggered()
285 {
286         assert(_view);
287         _view->show_cursors(_action_view_show_cursors->isChecked());
288 }
289
290 void MainWindow::on_actionAbout_triggered()
291 {
292         dialogs::About dlg(this);
293         dlg.exec();
294 }
295
296 void MainWindow::run_stop()
297 {
298         switch(_session.get_capture_state()) {
299         case SigSession::Stopped:
300                 _session.start_capture(
301                         _sampling_bar->get_selected_device(),
302                         _sampling_bar->get_record_length(),
303                         boost::bind(&MainWindow::session_error, this,
304                                 QString("Capture failed"), _1));
305                 break;
306
307         case SigSession::Running:
308                 _session.stop_capture();
309                 break;
310         }
311 }
312
313 void MainWindow::capture_state_changed(int state)
314 {
315         _sampling_bar->set_sampling(state != SigSession::Stopped);
316 }
317
318 } // namespace pv