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