Used a std::atomic for StoreSession::_units_stores and _unit_count
[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 #ifdef ENABLE_DECODE
22 #include <libsigrokdecode/libsigrokdecode.h>
23 #endif
24
25 #include <boost/bind.hpp>
26
27 #include <algorithm>
28 #include <iterator>
29
30 #include <QAction>
31 #include <QApplication>
32 #include <QButtonGroup>
33 #include <QFileDialog>
34 #include <QMessageBox>
35 #include <QMenu>
36 #include <QMenuBar>
37 #include <QStatusBar>
38 #include <QVBoxLayout>
39 #include <QWidget>
40
41 #include "mainwindow.h"
42
43 #include "devicemanager.h"
44 #include "device/device.h"
45 #include "dialogs/about.h"
46 #include "dialogs/connect.h"
47 #include "dialogs/storeprogress.h"
48 #include "toolbars/samplingbar.h"
49 #include "view/logicsignal.h"
50 #include "view/view.h"
51 #ifdef ENABLE_DECODE
52 #include "widgets/decodermenu.h"
53 #endif
54
55 /* __STDC_FORMAT_MACROS is required for PRIu64 and friends (in C++). */
56 #define __STDC_FORMAT_MACROS
57 #include <inttypes.h>
58 #include <stdint.h>
59 #include <stdarg.h>
60 #include <glib.h>
61 #include <libsigrok/libsigrok.h>
62
63 using std::list;
64 using std::shared_ptr;
65
66 namespace pv {
67
68 namespace view {
69 class SelectableItem;
70 }
71
72 MainWindow::MainWindow(DeviceManager &device_manager,
73         const char *open_file_name,
74         QWidget *parent) :
75         QMainWindow(parent),
76         _device_manager(device_manager),
77         _session(device_manager)
78 {
79         setup_ui();
80         if (open_file_name) {
81                 const QString s(QString::fromUtf8(open_file_name));
82                 QMetaObject::invokeMethod(this, "load_file",
83                         Qt::QueuedConnection,
84                         Q_ARG(QString, s));
85         }
86 }
87
88 void MainWindow::setup_ui()
89 {
90         setObjectName(QString::fromUtf8("MainWindow"));
91
92         resize(1024, 768);
93
94         // Set the window icon
95         QIcon icon;
96         icon.addFile(QString::fromUtf8(":/icons/sigrok-logo-notext.png"),
97                 QSize(), QIcon::Normal, QIcon::Off);
98         setWindowIcon(icon);
99
100         // Setup the central widget
101         _central_widget = new QWidget(this);
102         _vertical_layout = new QVBoxLayout(_central_widget);
103         _vertical_layout->setSpacing(6);
104         _vertical_layout->setContentsMargins(0, 0, 0, 0);
105         setCentralWidget(_central_widget);
106
107         _view = new pv::view::View(_session, this);
108
109         _vertical_layout->addWidget(_view);
110
111         // Setup the menu bar
112         QMenuBar *const menu_bar = new QMenuBar(this);
113         menu_bar->setGeometry(QRect(0, 0, 400, 25));
114
115         // File Menu
116         QMenu *const menu_file = new QMenu;
117         menu_file->setTitle(QApplication::translate(
118                 "MainWindow", "&File", 0, QApplication::UnicodeUTF8));
119
120         QAction *const action_open = new QAction(this);
121         action_open->setText(QApplication::translate(
122                 "MainWindow", "&Open...", 0, QApplication::UnicodeUTF8));
123         action_open->setIcon(QIcon::fromTheme("document-open",
124                 QIcon(":/icons/document-open.png")));
125         action_open->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_O));
126         action_open->setObjectName(QString::fromUtf8("actionOpen"));
127         menu_file->addAction(action_open);
128
129         QAction *const action_save_as = new QAction(this);
130         action_save_as->setText(QApplication::translate(
131                 "MainWindow", "&Save As...", 0, QApplication::UnicodeUTF8));
132         action_save_as->setIcon(QIcon::fromTheme("document-save-as",
133                 QIcon(":/icons/document-save-as.png")));
134         action_save_as->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_S));
135         action_save_as->setObjectName(QString::fromUtf8("actionSaveAs"));
136         menu_file->addAction(action_save_as);
137
138         menu_file->addSeparator();
139
140         QAction *const action_connect = new QAction(this);
141         action_connect->setText(QApplication::translate(
142                 "MainWindow", "&Connect to Device...", 0,
143                 QApplication::UnicodeUTF8));
144         action_connect->setObjectName(QString::fromUtf8("actionConnect"));
145         menu_file->addAction(action_connect);
146
147         menu_file->addSeparator();
148
149         QAction *action_quit = new QAction(this);
150         action_quit->setText(QApplication::translate(
151                 "MainWindow", "&Quit", 0, QApplication::UnicodeUTF8));
152         action_quit->setIcon(QIcon::fromTheme("application-exit",
153                 QIcon(":/icons/application-exit.png")));
154         action_quit->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
155         action_quit->setObjectName(QString::fromUtf8("actionQuit"));
156         menu_file->addAction(action_quit);
157
158         // View Menu
159         QMenu *menu_view = new QMenu;
160         menu_view->setTitle(QApplication::translate(
161                 "MainWindow", "&View", 0, QApplication::UnicodeUTF8));
162
163         QAction *const action_view_zoom_in = new QAction(this);
164         action_view_zoom_in->setText(QApplication::translate(
165                 "MainWindow", "Zoom &In", 0, QApplication::UnicodeUTF8));
166         action_view_zoom_in->setIcon(QIcon::fromTheme("zoom-in",
167                 QIcon(":/icons/zoom-in.png")));
168         // simply using Qt::Key_Plus shows no + in the menu
169         action_view_zoom_in->setShortcut(QKeySequence::ZoomIn);
170         action_view_zoom_in->setObjectName(
171                 QString::fromUtf8("actionViewZoomIn"));
172         menu_view->addAction(action_view_zoom_in);
173
174         QAction *const action_view_zoom_out = new QAction(this);
175         action_view_zoom_out->setText(QApplication::translate(
176                 "MainWindow", "Zoom &Out", 0, QApplication::UnicodeUTF8));
177         action_view_zoom_out->setIcon(QIcon::fromTheme("zoom-out",
178                 QIcon(":/icons/zoom-out.png")));
179         action_view_zoom_out->setShortcut(QKeySequence::ZoomOut);
180         action_view_zoom_out->setObjectName(
181                 QString::fromUtf8("actionViewZoomOut"));
182         menu_view->addAction(action_view_zoom_out);
183
184         QAction *const action_view_zoom_fit = new QAction(this);
185         action_view_zoom_fit->setText(QApplication::translate(
186                 "MainWindow", "Zoom to &Fit", 0, QApplication::UnicodeUTF8));
187         action_view_zoom_fit->setIcon(QIcon::fromTheme("zoom-fit",
188                 QIcon(":/icons/zoom-fit.png")));
189         action_view_zoom_fit->setShortcut(QKeySequence(Qt::Key_F));
190         action_view_zoom_fit->setObjectName(
191                 QString::fromUtf8("actionViewZoomFit"));
192         menu_view->addAction(action_view_zoom_fit);
193
194         QAction *const action_view_zoom_one_to_one = new QAction(this);
195         action_view_zoom_one_to_one->setText(QApplication::translate(
196                 "MainWindow", "Zoom to &One-to-One", 0,
197                         QApplication::UnicodeUTF8));
198         action_view_zoom_one_to_one->setIcon(QIcon::fromTheme("zoom-original",
199                 QIcon(":/icons/zoom-original.png")));
200         action_view_zoom_one_to_one->setShortcut(QKeySequence(Qt::Key_O));
201         action_view_zoom_one_to_one->setObjectName(
202                 QString::fromUtf8("actionViewZoomOneToOne"));
203         menu_view->addAction(action_view_zoom_one_to_one);
204
205         menu_view->addSeparator();
206
207         QAction *action_view_show_cursors = new QAction(this);
208         action_view_show_cursors->setCheckable(true);
209         action_view_show_cursors->setChecked(_view->cursors_shown());
210         action_view_show_cursors->setShortcut(QKeySequence(Qt::Key_C));
211         action_view_show_cursors->setObjectName(
212                 QString::fromUtf8("actionViewShowCursors"));
213         action_view_show_cursors->setText(QApplication::translate(
214                 "MainWindow", "Show &Cursors", 0, QApplication::UnicodeUTF8));
215         menu_view->addAction(action_view_show_cursors);
216
217         // Decoders Menu
218 #ifdef ENABLE_DECODE
219         QMenu *const menu_decoders = new QMenu;
220         menu_decoders->setTitle(QApplication::translate(
221                 "MainWindow", "&Decoders", 0, QApplication::UnicodeUTF8));
222
223         pv::widgets::DecoderMenu *const menu_decoders_add =
224                 new pv::widgets::DecoderMenu(menu_decoders, true);
225         menu_decoders_add->setTitle(QApplication::translate(
226                 "MainWindow", "&Add", 0, QApplication::UnicodeUTF8));
227         connect(menu_decoders_add, SIGNAL(decoder_selected(srd_decoder*)),
228                 this, SLOT(add_decoder(srd_decoder*)));
229
230         menu_decoders->addMenu(menu_decoders_add);
231 #endif
232
233         // Help Menu
234         QMenu *const menu_help = new QMenu;
235         menu_help->setTitle(QApplication::translate(
236                 "MainWindow", "&Help", 0, QApplication::UnicodeUTF8));
237
238         QAction *const action_about = new QAction(this);
239         action_about->setObjectName(QString::fromUtf8("actionAbout"));
240         action_about->setText(QApplication::translate(
241                 "MainWindow", "&About...", 0, QApplication::UnicodeUTF8));
242         menu_help->addAction(action_about);
243
244         menu_bar->addAction(menu_file->menuAction());
245         menu_bar->addAction(menu_view->menuAction());
246 #ifdef ENABLE_DECODE
247         menu_bar->addAction(menu_decoders->menuAction());
248 #endif
249         menu_bar->addAction(menu_help->menuAction());
250
251         setMenuBar(menu_bar);
252         QMetaObject::connectSlotsByName(this);
253
254         // Setup the toolbar
255         QToolBar *const toolbar = new QToolBar(tr("Main Toolbar"), this);
256         toolbar->addAction(action_open);
257         toolbar->addAction(action_save_as);
258         toolbar->addSeparator();
259         toolbar->addAction(action_view_zoom_in);
260         toolbar->addAction(action_view_zoom_out);
261         toolbar->addAction(action_view_zoom_fit);
262         toolbar->addAction(action_view_zoom_one_to_one);
263         addToolBar(toolbar);
264
265         // Setup the sampling bar
266         _sampling_bar = new toolbars::SamplingBar(_session, this);
267
268         // Populate the device list and select the initially selected device
269         update_device_list();
270
271         connect(_sampling_bar, SIGNAL(run_stop()), this,
272                 SLOT(run_stop()));
273         addToolBar(_sampling_bar);
274
275         // Set the title
276         setWindowTitle(QApplication::translate("MainWindow", "PulseView", 0,
277                 QApplication::UnicodeUTF8));
278
279         // Setup _session events
280         connect(&_session, SIGNAL(capture_state_changed(int)), this,
281                 SLOT(capture_state_changed(int)));
282
283 }
284
285 void MainWindow::session_error(
286         const QString text, const QString info_text)
287 {
288         QMetaObject::invokeMethod(this, "show_session_error",
289                 Qt::QueuedConnection, Q_ARG(QString, text),
290                 Q_ARG(QString, info_text));
291 }
292
293 void MainWindow::update_device_list()
294 {
295         assert(_sampling_bar);
296
297         shared_ptr<pv::device::DevInst> selected_device = _session.get_device();
298         list< shared_ptr<device::DevInst> > devices;
299         std::copy(_device_manager.devices().begin(),
300                 _device_manager.devices().end(), std::back_inserter(devices));
301
302         if (std::find(devices.begin(), devices.end(), selected_device) ==
303                 devices.end())
304                 devices.push_back(selected_device);
305         assert(selected_device);
306
307         _sampling_bar->set_device_list(devices, selected_device);
308 }
309
310 void MainWindow::load_file(QString file_name)
311 {
312         const QString errorMessage(
313                 QString("Failed to load file %1").arg(file_name));
314         const QString infoMessage;
315
316         try {
317                 _session.set_file(file_name.toStdString());
318         } catch(QString e) {
319                 show_session_error(tr("Failed to load ") + file_name, e);
320                 _session.set_default_device();
321                 update_device_list();
322                 return;
323         }
324
325         update_device_list();
326
327         _session.start_capture(boost::bind(&MainWindow::session_error, this,
328                 errorMessage, infoMessage));
329 }
330
331 void MainWindow::show_session_error(
332         const QString text, const QString info_text)
333 {
334         QMessageBox msg(this);
335         msg.setText(text);
336         msg.setInformativeText(info_text);
337         msg.setStandardButtons(QMessageBox::Ok);
338         msg.setIcon(QMessageBox::Warning);
339         msg.exec();
340 }
341
342 void MainWindow::on_actionOpen_triggered()
343 {
344         // Show the dialog
345         const QString file_name = QFileDialog::getOpenFileName(
346                 this, tr("Open File"), "", tr(
347                         "Sigrok Sessions (*.sr);;"
348                         "All Files (*.*)"));
349         if (!file_name.isEmpty())
350                 load_file(file_name);
351 }
352
353 void MainWindow::on_actionSaveAs_triggered()
354 {
355         using pv::dialogs::StoreProgress;
356
357         // Stop any currently running capture session
358         _session.stop_capture();
359
360         // Show the dialog
361         const QString file_name = QFileDialog::getSaveFileName(
362                 this, tr("Save File"), "", tr("Sigrok Sessions (*.sr)"));
363
364         if (file_name.isEmpty())
365                 return;
366
367         StoreProgress *dlg = new StoreProgress(file_name, _session, this);
368         dlg->run();
369 }
370
371 void MainWindow::on_actionConnect_triggered()
372 {
373         // Stop any currently running capture session
374         _session.stop_capture();
375
376         dialogs::Connect dlg(this, _device_manager);
377
378         // If the user selected a device, select it in the device list. Select the
379         // current device otherwise.
380         if (dlg.exec())
381                 _session.set_device(dlg.get_selected_device());
382
383         update_device_list();
384 }
385
386 void MainWindow::on_actionQuit_triggered()
387 {
388         close();
389 }
390
391 void MainWindow::on_actionViewZoomIn_triggered()
392 {
393         _view->zoom(1);
394 }
395
396 void MainWindow::on_actionViewZoomOut_triggered()
397 {
398         _view->zoom(-1);
399 }
400
401 void MainWindow::on_actionViewZoomFit_triggered()
402 {
403         _view->zoom_fit();
404 }
405
406 void MainWindow::on_actionViewZoomOneToOne_triggered()
407 {
408         _view->zoom_one_to_one();
409 }
410
411 void MainWindow::on_actionViewShowCursors_triggered()
412 {
413         assert(_view);
414
415         const bool show = !_view->cursors_shown();
416         if(show)
417                 _view->centre_cursors();
418
419         _view->show_cursors(show);
420 }
421
422 void MainWindow::on_actionAbout_triggered()
423 {
424         dialogs::About dlg(this);
425         dlg.exec();
426 }
427
428 void MainWindow::add_decoder(srd_decoder *decoder)
429 {
430 #ifdef ENABLE_DECODE
431         assert(decoder);
432         _session.add_decoder(decoder);
433 #else
434         (void)decoder;
435 #endif
436 }
437
438 void MainWindow::run_stop()
439 {
440         switch(_session.get_capture_state()) {
441         case SigSession::Stopped:
442                 _session.start_capture(
443                                 boost::bind(&MainWindow::session_error, this,
444                                 QString("Capture failed"), _1));
445                 break;
446
447         case SigSession::AwaitingTrigger:
448         case SigSession::Running:
449                 _session.stop_capture();
450                 break;
451         }
452 }
453
454 void MainWindow::capture_state_changed(int state)
455 {
456         _sampling_bar->set_capture_state((pv::SigSession::capture_state)state);
457 }
458
459 } // namespace pv