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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, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #ifdef ENABLE_DECODE | |
21 | #include <libsigrokdecode/libsigrokdecode.h> | |
22 | #endif | |
23 | ||
24 | #include <cassert> | |
25 | #include <algorithm> | |
26 | #include <iterator> | |
27 | #include <cstdint> | |
28 | #include <cstdarg> | |
29 | ||
30 | #include <QAction> | |
31 | #include <QApplication> | |
32 | #include <QCloseEvent> | |
33 | #include <QDockWidget> | |
34 | #include <QHBoxLayout> | |
35 | #include <QMessageBox> | |
36 | #include <QSettings> | |
37 | #include <QWidget> | |
38 | #include <QShortcut> | |
39 | ||
40 | #include "mainwindow.hpp" | |
41 | ||
42 | #include "devicemanager.hpp" | |
43 | #include "globalsettings.hpp" | |
44 | #include "util.hpp" | |
45 | #include "devices/hardwaredevice.hpp" | |
46 | #include "dialogs/settings.hpp" | |
47 | #include "toolbars/mainbar.hpp" | |
48 | #include "view/view.hpp" | |
49 | #include "views/trace/standardbar.hpp" | |
50 | ||
51 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
52 | ||
53 | using std::bind; | |
54 | using std::dynamic_pointer_cast; | |
55 | using std::make_shared; | |
56 | using std::map; | |
57 | using std::placeholders::_1; | |
58 | using std::shared_ptr; | |
59 | using std::string; | |
60 | ||
61 | namespace pv { | |
62 | ||
63 | namespace view { | |
64 | class ViewItem; | |
65 | } | |
66 | ||
67 | using toolbars::MainBar; | |
68 | ||
69 | const QString MainWindow::WindowTitle = tr("PulseView"); | |
70 | ||
71 | MainWindow::MainWindow(DeviceManager &device_manager, | |
72 | string open_file_name, string open_file_format, | |
73 | QWidget *parent) : | |
74 | QMainWindow(parent), | |
75 | device_manager_(device_manager), | |
76 | session_selector_(this), | |
77 | session_state_mapper_(this), | |
78 | icon_red_(":/icons/status-red.svg"), | |
79 | icon_green_(":/icons/status-green.svg"), | |
80 | icon_grey_(":/icons/status-grey.svg") | |
81 | { | |
82 | qRegisterMetaType<util::Timestamp>("util::Timestamp"); | |
83 | qRegisterMetaType<uint64_t>("uint64_t"); | |
84 | ||
85 | GlobalSettings::register_change_handler(GlobalSettings::Key_View_ColouredBG, | |
86 | bind(&MainWindow::on_settingViewColouredBg_changed, this, _1)); | |
87 | ||
88 | GlobalSettings::register_change_handler(GlobalSettings::Key_View_ShowSamplingPoints, | |
89 | bind(&MainWindow::on_settingViewShowSamplingPoints_changed, this, _1)); | |
90 | ||
91 | setup_ui(); | |
92 | restore_ui_settings(); | |
93 | ||
94 | if (!open_file_name.empty()) { | |
95 | shared_ptr<Session> session = add_session(); | |
96 | session->load_init_file(open_file_name, open_file_format); | |
97 | } | |
98 | ||
99 | // Add empty default session if there aren't any sessions | |
100 | if (sessions_.size() == 0) { | |
101 | shared_ptr<Session> session = add_session(); | |
102 | ||
103 | map<string, string> dev_info; | |
104 | shared_ptr<devices::HardwareDevice> other_device, demo_device; | |
105 | ||
106 | // Use any available device that's not demo | |
107 | for (shared_ptr<devices::HardwareDevice> dev : device_manager_.devices()) { | |
108 | if (dev->hardware_device()->driver()->name() == "demo") { | |
109 | demo_device = dev; | |
110 | } else { | |
111 | other_device = dev; | |
112 | } | |
113 | } | |
114 | ||
115 | // ...and if there isn't any, just use demo then | |
116 | session->select_device(other_device ? other_device : demo_device); | |
117 | } | |
118 | } | |
119 | ||
120 | MainWindow::~MainWindow() | |
121 | { | |
122 | while (!sessions_.empty()) | |
123 | remove_session(sessions_.front()); | |
124 | } | |
125 | ||
126 | shared_ptr<views::ViewBase> MainWindow::get_active_view() const | |
127 | { | |
128 | // If there's only one view, use it... | |
129 | if (view_docks_.size() == 1) | |
130 | return view_docks_.begin()->second; | |
131 | ||
132 | // ...otherwise find the dock widget the widget with focus is contained in | |
133 | QObject *w = QApplication::focusWidget(); | |
134 | QDockWidget *dock = nullptr; | |
135 | ||
136 | while (w) { | |
137 | dock = qobject_cast<QDockWidget*>(w); | |
138 | if (dock) | |
139 | break; | |
140 | w = w->parent(); | |
141 | } | |
142 | ||
143 | // Get the view contained in the dock widget | |
144 | for (auto entry : view_docks_) | |
145 | if (entry.first == dock) | |
146 | return entry.second; | |
147 | ||
148 | return nullptr; | |
149 | } | |
150 | ||
151 | shared_ptr<views::ViewBase> MainWindow::add_view(const QString &title, | |
152 | views::ViewType type, Session &session) | |
153 | { | |
154 | GlobalSettings settings; | |
155 | shared_ptr<views::ViewBase> v; | |
156 | ||
157 | QMainWindow *main_window = nullptr; | |
158 | for (auto entry : session_windows_) | |
159 | if (entry.first.get() == &session) | |
160 | main_window = entry.second; | |
161 | ||
162 | assert(main_window); | |
163 | ||
164 | shared_ptr<MainBar> main_bar = session.main_bar(); | |
165 | ||
166 | QDockWidget* dock = new QDockWidget(title, main_window); | |
167 | dock->setObjectName(title); | |
168 | main_window->addDockWidget(Qt::TopDockWidgetArea, dock); | |
169 | ||
170 | // Insert a QMainWindow into the dock widget to allow for a tool bar | |
171 | QMainWindow *dock_main = new QMainWindow(dock); | |
172 | dock_main->setWindowFlags(Qt::Widget); // Remove Qt::Window flag | |
173 | ||
174 | if (type == views::ViewTypeTrace) | |
175 | // This view will be the main view if there's no main bar yet | |
176 | v = make_shared<views::TraceView::View>(session, | |
177 | (main_bar ? false : true), dock_main); | |
178 | ||
179 | if (!v) | |
180 | return nullptr; | |
181 | ||
182 | view_docks_[dock] = v; | |
183 | session.register_view(v); | |
184 | ||
185 | dock_main->setCentralWidget(v.get()); | |
186 | dock->setWidget(dock_main); | |
187 | ||
188 | dock->setFeatures(QDockWidget::DockWidgetMovable | | |
189 | QDockWidget::DockWidgetFloatable | QDockWidget::DockWidgetClosable); | |
190 | ||
191 | QAbstractButton *close_btn = | |
192 | dock->findChildren<QAbstractButton*> | |
193 | ("qt_dockwidget_closebutton").front(); | |
194 | ||
195 | connect(close_btn, SIGNAL(clicked(bool)), | |
196 | this, SLOT(on_view_close_clicked())); | |
197 | ||
198 | connect(&session, SIGNAL(trigger_event(util::Timestamp)), | |
199 | qobject_cast<views::ViewBase*>(v.get()), | |
200 | SLOT(trigger_event(util::Timestamp))); | |
201 | ||
202 | if (type == views::ViewTypeTrace) { | |
203 | views::TraceView::View *tv = | |
204 | qobject_cast<views::TraceView::View*>(v.get()); | |
205 | ||
206 | tv->enable_coloured_bg(settings.value(GlobalSettings::Key_View_ColouredBG).toBool()); | |
207 | tv->enable_show_sampling_points(settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool()); | |
208 | ||
209 | if (!main_bar) { | |
210 | /* Initial view, create the main bar */ | |
211 | main_bar = make_shared<MainBar>(session, this, tv); | |
212 | dock_main->addToolBar(main_bar.get()); | |
213 | session.set_main_bar(main_bar); | |
214 | ||
215 | connect(main_bar.get(), SIGNAL(new_view(Session*)), | |
216 | this, SLOT(on_new_view(Session*))); | |
217 | ||
218 | main_bar->action_view_show_cursors()->setChecked(tv->cursors_shown()); | |
219 | ||
220 | /* For the main view we need to prevent the dock widget from | |
221 | * closing itself when its close button is clicked. This is | |
222 | * so we can confirm with the user first. Regular views don't | |
223 | * need this */ | |
224 | close_btn->disconnect(SIGNAL(clicked()), dock, SLOT(close())); | |
225 | } else { | |
226 | /* Additional view, create a standard bar */ | |
227 | pv::views::trace::StandardBar *standard_bar = | |
228 | new pv::views::trace::StandardBar(session, this, tv); | |
229 | dock_main->addToolBar(standard_bar); | |
230 | ||
231 | standard_bar->action_view_show_cursors()->setChecked(tv->cursors_shown()); | |
232 | } | |
233 | } | |
234 | ||
235 | return v; | |
236 | } | |
237 | ||
238 | void MainWindow::remove_view(shared_ptr<views::ViewBase> view) | |
239 | { | |
240 | for (shared_ptr<Session> session : sessions_) { | |
241 | if (!session->has_view(view)) | |
242 | continue; | |
243 | ||
244 | // Find the dock the view is contained in and remove it | |
245 | for (auto entry : view_docks_) | |
246 | if (entry.second == view) { | |
247 | // Remove the view from the session | |
248 | session->deregister_view(view); | |
249 | ||
250 | // Remove the view from its parent; otherwise, Qt will | |
251 | // call deleteLater() on it, which causes a double free | |
252 | // since the shared_ptr in view_docks_ doesn't know | |
253 | // that Qt keeps a pointer to the view around | |
254 | view->setParent(nullptr); | |
255 | ||
256 | // Delete the view's dock widget and all widgets inside it | |
257 | entry.first->deleteLater(); | |
258 | ||
259 | // Remove the dock widget from the list and stop iterating | |
260 | view_docks_.erase(entry.first); | |
261 | break; | |
262 | } | |
263 | } | |
264 | } | |
265 | ||
266 | shared_ptr<Session> MainWindow::add_session() | |
267 | { | |
268 | static int last_session_id = 1; | |
269 | QString name = tr("Session %1").arg(last_session_id++); | |
270 | ||
271 | shared_ptr<Session> session = make_shared<Session>(device_manager_, name); | |
272 | ||
273 | connect(session.get(), SIGNAL(add_view(const QString&, views::ViewType, Session*)), | |
274 | this, SLOT(on_add_view(const QString&, views::ViewType, Session*))); | |
275 | connect(session.get(), SIGNAL(name_changed()), | |
276 | this, SLOT(on_session_name_changed())); | |
277 | session_state_mapper_.setMapping(session.get(), session.get()); | |
278 | connect(session.get(), SIGNAL(capture_state_changed(int)), | |
279 | &session_state_mapper_, SLOT(map())); | |
280 | ||
281 | sessions_.push_back(session); | |
282 | ||
283 | QMainWindow *window = new QMainWindow(); | |
284 | window->setWindowFlags(Qt::Widget); // Remove Qt::Window flag | |
285 | session_windows_[session] = window; | |
286 | ||
287 | int index = session_selector_.addTab(window, name); | |
288 | session_selector_.setCurrentIndex(index); | |
289 | last_focused_session_ = session; | |
290 | ||
291 | window->setDockNestingEnabled(true); | |
292 | ||
293 | shared_ptr<views::ViewBase> main_view = | |
294 | add_view(name, views::ViewTypeTrace, *session); | |
295 | ||
296 | return session; | |
297 | } | |
298 | ||
299 | void MainWindow::remove_session(shared_ptr<Session> session) | |
300 | { | |
301 | int h = new_session_button_->height(); | |
302 | ||
303 | for (shared_ptr<views::ViewBase> view : session->views()) | |
304 | remove_view(view); | |
305 | ||
306 | QMainWindow *window = session_windows_.at(session); | |
307 | session_selector_.removeTab(session_selector_.indexOf(window)); | |
308 | ||
309 | session_windows_.erase(session); | |
310 | ||
311 | if (last_focused_session_ == session) | |
312 | last_focused_session_.reset(); | |
313 | ||
314 | sessions_.remove_if([&](shared_ptr<Session> s) { | |
315 | return s == session; }); | |
316 | ||
317 | if (sessions_.empty()) { | |
318 | // When there are no more tabs, the height of the QTabWidget | |
319 | // drops to zero. We must prevent this to keep the static | |
320 | // widgets visible | |
321 | for (QWidget *w : static_tab_widget_->findChildren<QWidget*>()) | |
322 | w->setMinimumHeight(h); | |
323 | ||
324 | int margin = static_tab_widget_->layout()->contentsMargins().bottom(); | |
325 | static_tab_widget_->setMinimumHeight(h + 2 * margin); | |
326 | session_selector_.setMinimumHeight(h + 2 * margin); | |
327 | ||
328 | // Update the window title if there is no view left to | |
329 | // generate focus change events | |
330 | setWindowTitle(WindowTitle); | |
331 | } | |
332 | } | |
333 | ||
334 | void MainWindow::setup_ui() | |
335 | { | |
336 | setObjectName(QString::fromUtf8("MainWindow")); | |
337 | ||
338 | setCentralWidget(&session_selector_); | |
339 | ||
340 | // Set the window icon | |
341 | QIcon icon; | |
342 | icon.addFile(QString(":/icons/sigrok-logo-notext.png")); | |
343 | setWindowIcon(icon); | |
344 | ||
345 | view_sticky_scrolling_shortcut_ = new QShortcut(QKeySequence(Qt::Key_S), this, SLOT(on_view_sticky_scrolling_shortcut())); | |
346 | view_sticky_scrolling_shortcut_->setAutoRepeat(false); | |
347 | ||
348 | view_show_sampling_points_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Period), this, SLOT(on_view_show_sampling_points_shortcut())); | |
349 | view_show_sampling_points_shortcut_->setAutoRepeat(false); | |
350 | ||
351 | view_coloured_bg_shortcut_ = new QShortcut(QKeySequence(Qt::Key_B), this, SLOT(on_view_coloured_bg_shortcut())); | |
352 | view_coloured_bg_shortcut_->setAutoRepeat(false); | |
353 | ||
354 | // Set up the tab area | |
355 | new_session_button_ = new QToolButton(); | |
356 | new_session_button_->setIcon(QIcon::fromTheme("document-new", | |
357 | QIcon(":/icons/document-new.png"))); | |
358 | new_session_button_->setToolTip(tr("Create New Session")); | |
359 | new_session_button_->setAutoRaise(true); | |
360 | ||
361 | run_stop_button_ = new QToolButton(); | |
362 | run_stop_button_->setAutoRaise(true); | |
363 | run_stop_button_->setToolButtonStyle(Qt::ToolButtonTextBesideIcon); | |
364 | run_stop_button_->setToolTip(tr("Start/Stop Acquisition")); | |
365 | ||
366 | run_stop_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Space), run_stop_button_, SLOT(click())); | |
367 | run_stop_shortcut_->setAutoRepeat(false); | |
368 | ||
369 | settings_button_ = new QToolButton(); | |
370 | settings_button_->setIcon(QIcon::fromTheme("configure", | |
371 | QIcon(":/icons/configure.png"))); | |
372 | settings_button_->setToolTip(tr("Settings")); | |
373 | settings_button_->setAutoRaise(true); | |
374 | ||
375 | QFrame *separator1 = new QFrame(); | |
376 | separator1->setFrameStyle(QFrame::VLine | QFrame::Raised); | |
377 | QFrame *separator2 = new QFrame(); | |
378 | separator2->setFrameStyle(QFrame::VLine | QFrame::Raised); | |
379 | ||
380 | QHBoxLayout* layout = new QHBoxLayout(); | |
381 | layout->setContentsMargins(2, 2, 2, 2); | |
382 | layout->addWidget(new_session_button_); | |
383 | layout->addWidget(separator1); | |
384 | layout->addWidget(run_stop_button_); | |
385 | layout->addWidget(separator2); | |
386 | layout->addWidget(settings_button_); | |
387 | ||
388 | static_tab_widget_ = new QWidget(); | |
389 | static_tab_widget_->setLayout(layout); | |
390 | ||
391 | session_selector_.setCornerWidget(static_tab_widget_, Qt::TopLeftCorner); | |
392 | session_selector_.setTabsClosable(true); | |
393 | ||
394 | close_application_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q), this, SLOT(close())); | |
395 | close_application_shortcut_->setAutoRepeat(false); | |
396 | ||
397 | close_current_tab_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_W), this, SLOT(on_close_current_tab())); | |
398 | ||
399 | connect(new_session_button_, SIGNAL(clicked(bool)), | |
400 | this, SLOT(on_new_session_clicked())); | |
401 | connect(run_stop_button_, SIGNAL(clicked(bool)), | |
402 | this, SLOT(on_run_stop_clicked())); | |
403 | connect(&session_state_mapper_, SIGNAL(mapped(QObject*)), | |
404 | this, SLOT(on_capture_state_changed(QObject*))); | |
405 | connect(settings_button_, SIGNAL(clicked(bool)), | |
406 | this, SLOT(on_settings_clicked())); | |
407 | ||
408 | connect(&session_selector_, SIGNAL(tabCloseRequested(int)), | |
409 | this, SLOT(on_tab_close_requested(int))); | |
410 | connect(&session_selector_, SIGNAL(currentChanged(int)), | |
411 | this, SLOT(on_tab_changed(int))); | |
412 | ||
413 | ||
414 | connect(static_cast<QApplication *>(QCoreApplication::instance()), | |
415 | SIGNAL(focusChanged(QWidget*, QWidget*)), | |
416 | this, SLOT(on_focus_changed())); | |
417 | } | |
418 | ||
419 | void MainWindow::save_ui_settings() | |
420 | { | |
421 | QSettings settings; | |
422 | int id = 0; | |
423 | ||
424 | settings.beginGroup("MainWindow"); | |
425 | settings.setValue("state", saveState()); | |
426 | settings.setValue("geometry", saveGeometry()); | |
427 | settings.endGroup(); | |
428 | ||
429 | for (shared_ptr<Session> session : sessions_) { | |
430 | // Ignore sessions using the demo device or no device at all | |
431 | if (session->device()) { | |
432 | shared_ptr<devices::HardwareDevice> device = | |
433 | dynamic_pointer_cast< devices::HardwareDevice > | |
434 | (session->device()); | |
435 | ||
436 | if (device && | |
437 | device->hardware_device()->driver()->name() == "demo") | |
438 | continue; | |
439 | ||
440 | settings.beginGroup("Session" + QString::number(id++)); | |
441 | settings.remove(""); // Remove all keys in this group | |
442 | session->save_settings(settings); | |
443 | settings.endGroup(); | |
444 | } | |
445 | } | |
446 | ||
447 | settings.setValue("sessions", id); | |
448 | } | |
449 | ||
450 | void MainWindow::restore_ui_settings() | |
451 | { | |
452 | QSettings settings; | |
453 | int i, session_count; | |
454 | ||
455 | settings.beginGroup("MainWindow"); | |
456 | ||
457 | if (settings.contains("geometry")) { | |
458 | restoreGeometry(settings.value("geometry").toByteArray()); | |
459 | restoreState(settings.value("state").toByteArray()); | |
460 | } else | |
461 | resize(1000, 720); | |
462 | ||
463 | settings.endGroup(); | |
464 | ||
465 | session_count = settings.value("sessions", 0).toInt(); | |
466 | ||
467 | for (i = 0; i < session_count; i++) { | |
468 | settings.beginGroup("Session" + QString::number(i)); | |
469 | shared_ptr<Session> session = add_session(); | |
470 | session->restore_settings(settings); | |
471 | settings.endGroup(); | |
472 | } | |
473 | } | |
474 | ||
475 | shared_ptr<Session> MainWindow::get_tab_session(int index) const | |
476 | { | |
477 | // Find the session that belongs to the tab's main window | |
478 | for (auto entry : session_windows_) | |
479 | if (entry.second == session_selector_.widget(index)) | |
480 | return entry.first; | |
481 | ||
482 | return nullptr; | |
483 | } | |
484 | ||
485 | void MainWindow::closeEvent(QCloseEvent *event) | |
486 | { | |
487 | bool data_saved = true; | |
488 | ||
489 | for (auto entry : session_windows_) | |
490 | if (!entry.first->data_saved()) | |
491 | data_saved = false; | |
492 | ||
493 | if (!data_saved && (QMessageBox::question(this, tr("Confirmation"), | |
494 | tr("There is unsaved data. Close anyway?"), | |
495 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::No)) { | |
496 | event->ignore(); | |
497 | } else { | |
498 | save_ui_settings(); | |
499 | event->accept(); | |
500 | } | |
501 | } | |
502 | ||
503 | QMenu* MainWindow::createPopupMenu() | |
504 | { | |
505 | return nullptr; | |
506 | } | |
507 | ||
508 | bool MainWindow::restoreState(const QByteArray &state, int version) | |
509 | { | |
510 | (void)state; | |
511 | (void)version; | |
512 | ||
513 | // Do nothing. We don't want Qt to handle this, or else it | |
514 | // will try to restore all the dock widgets and create havoc. | |
515 | ||
516 | return false; | |
517 | } | |
518 | ||
519 | void MainWindow::session_error(const QString text, const QString info_text) | |
520 | { | |
521 | QMetaObject::invokeMethod(this, "show_session_error", | |
522 | Qt::QueuedConnection, Q_ARG(QString, text), | |
523 | Q_ARG(QString, info_text)); | |
524 | } | |
525 | ||
526 | void MainWindow::show_session_error(const QString text, const QString info_text) | |
527 | { | |
528 | QMessageBox msg(this); | |
529 | msg.setText(text); | |
530 | msg.setInformativeText(info_text); | |
531 | msg.setStandardButtons(QMessageBox::Ok); | |
532 | msg.setIcon(QMessageBox::Warning); | |
533 | msg.exec(); | |
534 | } | |
535 | ||
536 | void MainWindow::on_add_view(const QString &title, views::ViewType type, | |
537 | Session *session) | |
538 | { | |
539 | // We get a pointer and need a reference | |
540 | for (shared_ptr<Session> s : sessions_) | |
541 | if (s.get() == session) | |
542 | add_view(title, type, *s); | |
543 | } | |
544 | ||
545 | void MainWindow::on_focus_changed() | |
546 | { | |
547 | shared_ptr<views::ViewBase> view = get_active_view(); | |
548 | ||
549 | if (view) { | |
550 | for (shared_ptr<Session> session : sessions_) { | |
551 | if (session->has_view(view)) { | |
552 | if (session != last_focused_session_) { | |
553 | // Activate correct tab if necessary | |
554 | shared_ptr<Session> tab_session = get_tab_session( | |
555 | session_selector_.currentIndex()); | |
556 | if (tab_session != session) | |
557 | session_selector_.setCurrentWidget( | |
558 | session_windows_.at(session)); | |
559 | ||
560 | on_focused_session_changed(session); | |
561 | } | |
562 | ||
563 | break; | |
564 | } | |
565 | } | |
566 | } | |
567 | ||
568 | if (sessions_.empty()) | |
569 | setWindowTitle(WindowTitle); | |
570 | } | |
571 | ||
572 | void MainWindow::on_focused_session_changed(shared_ptr<Session> session) | |
573 | { | |
574 | last_focused_session_ = session; | |
575 | ||
576 | setWindowTitle(session->name() + " - " + WindowTitle); | |
577 | ||
578 | // Update the state of the run/stop button, too | |
579 | on_capture_state_changed(session.get()); | |
580 | } | |
581 | ||
582 | void MainWindow::on_new_session_clicked() | |
583 | { | |
584 | add_session(); | |
585 | } | |
586 | ||
587 | void MainWindow::on_run_stop_clicked() | |
588 | { | |
589 | shared_ptr<Session> session = last_focused_session_; | |
590 | ||
591 | if (!session) | |
592 | return; | |
593 | ||
594 | switch (session->get_capture_state()) { | |
595 | case Session::Stopped: | |
596 | session->start_capture([&](QString message) { | |
597 | session_error("Capture failed", message); }); | |
598 | break; | |
599 | case Session::AwaitingTrigger: | |
600 | case Session::Running: | |
601 | session->stop_capture(); | |
602 | break; | |
603 | } | |
604 | } | |
605 | ||
606 | void MainWindow::on_settings_clicked() | |
607 | { | |
608 | dialogs::Settings dlg(device_manager_); | |
609 | dlg.exec(); | |
610 | } | |
611 | ||
612 | void MainWindow::on_session_name_changed() | |
613 | { | |
614 | // Update the corresponding dock widget's name(s) | |
615 | Session *session = qobject_cast<Session*>(QObject::sender()); | |
616 | assert(session); | |
617 | ||
618 | for (shared_ptr<views::ViewBase> view : session->views()) { | |
619 | // Get the dock that contains the view | |
620 | for (auto entry : view_docks_) | |
621 | if (entry.second == view) { | |
622 | entry.first->setObjectName(session->name()); | |
623 | entry.first->setWindowTitle(session->name()); | |
624 | } | |
625 | } | |
626 | ||
627 | // Update the tab widget by finding the main window and the tab from that | |
628 | for (auto entry : session_windows_) | |
629 | if (entry.first.get() == session) { | |
630 | QMainWindow *window = entry.second; | |
631 | const int index = session_selector_.indexOf(window); | |
632 | session_selector_.setTabText(index, session->name()); | |
633 | } | |
634 | ||
635 | // Refresh window title if the affected session has focus | |
636 | if (session == last_focused_session_.get()) | |
637 | setWindowTitle(session->name() + " - " + WindowTitle); | |
638 | } | |
639 | ||
640 | void MainWindow::on_capture_state_changed(QObject *obj) | |
641 | { | |
642 | Session *caller = qobject_cast<Session*>(obj); | |
643 | ||
644 | // Ignore if caller is not the currently focused session | |
645 | // unless there is only one session | |
646 | if ((sessions_.size() > 1) && (caller != last_focused_session_.get())) | |
647 | return; | |
648 | ||
649 | int state = caller->get_capture_state(); | |
650 | ||
651 | const QIcon *icons[] = {&icon_grey_, &icon_red_, &icon_green_}; | |
652 | run_stop_button_->setIcon(*icons[state]); | |
653 | run_stop_button_->setText((state == pv::Session::Stopped) ? | |
654 | tr("Run") : tr("Stop")); | |
655 | } | |
656 | ||
657 | void MainWindow::on_new_view(Session *session) | |
658 | { | |
659 | // We get a pointer and need a reference | |
660 | for (shared_ptr<Session> s : sessions_) | |
661 | if (s.get() == session) | |
662 | add_view(session->name(), views::ViewTypeTrace, *s); | |
663 | } | |
664 | ||
665 | void MainWindow::on_view_close_clicked() | |
666 | { | |
667 | // Find the dock widget that contains the close button that was clicked | |
668 | QObject *w = QObject::sender(); | |
669 | QDockWidget *dock = nullptr; | |
670 | ||
671 | while (w) { | |
672 | dock = qobject_cast<QDockWidget*>(w); | |
673 | if (dock) | |
674 | break; | |
675 | w = w->parent(); | |
676 | } | |
677 | ||
678 | // Get the view contained in the dock widget | |
679 | shared_ptr<views::ViewBase> view; | |
680 | ||
681 | for (auto entry : view_docks_) | |
682 | if (entry.first == dock) | |
683 | view = entry.second; | |
684 | ||
685 | // Deregister the view | |
686 | for (shared_ptr<Session> session : sessions_) { | |
687 | if (!session->has_view(view)) | |
688 | continue; | |
689 | ||
690 | // Also destroy the entire session if its main view is closing... | |
691 | if (view == session->main_view()) { | |
692 | // ...but only if data is saved or the user confirms closing | |
693 | if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"), | |
694 | tr("This session contains unsaved data. Close it anyway?"), | |
695 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes)) | |
696 | remove_session(session); | |
697 | break; | |
698 | } else | |
699 | // All other views can be closed at any time as no data will be lost | |
700 | remove_view(view); | |
701 | } | |
702 | } | |
703 | ||
704 | void MainWindow::on_tab_changed(int index) | |
705 | { | |
706 | shared_ptr<Session> session = get_tab_session(index); | |
707 | ||
708 | if (session) | |
709 | on_focused_session_changed(session); | |
710 | } | |
711 | ||
712 | void MainWindow::on_tab_close_requested(int index) | |
713 | { | |
714 | shared_ptr<Session> session = get_tab_session(index); | |
715 | ||
716 | assert(session); | |
717 | ||
718 | if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"), | |
719 | tr("This session contains unsaved data. Close it anyway?"), | |
720 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes)) | |
721 | remove_session(session); | |
722 | } | |
723 | ||
724 | void MainWindow::on_view_coloured_bg_shortcut() | |
725 | { | |
726 | GlobalSettings settings; | |
727 | ||
728 | bool state = settings.value(GlobalSettings::Key_View_ColouredBG).toBool(); | |
729 | settings.setValue(GlobalSettings::Key_View_ColouredBG, !state); | |
730 | } | |
731 | ||
732 | void MainWindow::on_view_sticky_scrolling_shortcut() | |
733 | { | |
734 | GlobalSettings settings; | |
735 | ||
736 | bool state = settings.value(GlobalSettings::Key_View_StickyScrolling).toBool(); | |
737 | settings.setValue(GlobalSettings::Key_View_StickyScrolling, !state); | |
738 | } | |
739 | ||
740 | void MainWindow::on_view_show_sampling_points_shortcut() | |
741 | { | |
742 | GlobalSettings settings; | |
743 | ||
744 | bool state = settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool(); | |
745 | settings.setValue(GlobalSettings::Key_View_ShowSamplingPoints, !state); | |
746 | } | |
747 | ||
748 | void MainWindow::on_settingViewColouredBg_changed(const QVariant new_value) | |
749 | { | |
750 | bool state = new_value.toBool(); | |
751 | ||
752 | for (auto entry : view_docks_) { | |
753 | shared_ptr<views::ViewBase> viewbase = entry.second; | |
754 | ||
755 | // Only trace views have this setting | |
756 | views::TraceView::View* view = | |
757 | qobject_cast<views::TraceView::View*>(viewbase.get()); | |
758 | if (view) | |
759 | view->enable_coloured_bg(state); | |
760 | } | |
761 | } | |
762 | ||
763 | void MainWindow::on_settingViewShowSamplingPoints_changed(const QVariant new_value) | |
764 | { | |
765 | bool state = new_value.toBool(); | |
766 | ||
767 | for (auto entry : view_docks_) { | |
768 | shared_ptr<views::ViewBase> viewbase = entry.second; | |
769 | ||
770 | // Only trace views have this setting | |
771 | views::TraceView::View* view = | |
772 | qobject_cast<views::TraceView::View*>(viewbase.get()); | |
773 | if (view) | |
774 | view->enable_show_sampling_points(state); | |
775 | } | |
776 | } | |
777 | ||
778 | void MainWindow::on_close_current_tab() | |
779 | { | |
780 | int tab = session_selector_.currentIndex(); | |
781 | ||
782 | on_tab_close_requested(tab); | |
783 | } | |
784 | ||
785 | } // namespace pv |