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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 <algorithm> | |
25 | #include <cassert> | |
26 | #include <cstdarg> | |
27 | #include <cstdint> | |
28 | #include <iterator> | |
29 | ||
30 | #include <QAction> | |
31 | #include <QApplication> | |
32 | #include <QCloseEvent> | |
33 | #include <QDockWidget> | |
34 | #include <QHBoxLayout> | |
35 | #include <QMessageBox> | |
36 | #include <QSettings> | |
37 | #include <QShortcut> | |
38 | #include <QWidget> | |
39 | ||
40 | #include "mainwindow.hpp" | |
41 | ||
42 | #include "devicemanager.hpp" | |
43 | #include "devices/hardwaredevice.hpp" | |
44 | #include "dialogs/settings.hpp" | |
45 | #include "globalsettings.hpp" | |
46 | #include "toolbars/mainbar.hpp" | |
47 | #include "util.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 | GlobalSettings::register_change_handler(GlobalSettings::Key_View_ShowAnalogMinorGrid, | |
92 | bind(&MainWindow::on_settingViewShowAnalogMinorGrid_changed, this, _1)); | |
93 | ||
94 | setup_ui(); | |
95 | restore_ui_settings(); | |
96 | ||
97 | if (!open_file_name.empty()) { | |
98 | shared_ptr<Session> session = add_session(); | |
99 | session->load_init_file(open_file_name, open_file_format); | |
100 | } | |
101 | ||
102 | // Add empty default session if there aren't any sessions | |
103 | if (sessions_.size() == 0) { | |
104 | shared_ptr<Session> session = add_session(); | |
105 | ||
106 | map<string, string> dev_info; | |
107 | shared_ptr<devices::HardwareDevice> other_device, demo_device; | |
108 | ||
109 | // Use any available device that's not demo | |
110 | for (shared_ptr<devices::HardwareDevice> dev : device_manager_.devices()) { | |
111 | if (dev->hardware_device()->driver()->name() == "demo") { | |
112 | demo_device = dev; | |
113 | } else { | |
114 | other_device = dev; | |
115 | } | |
116 | } | |
117 | ||
118 | // ...and if there isn't any, just use demo then | |
119 | session->select_device(other_device ? other_device : demo_device); | |
120 | } | |
121 | } | |
122 | ||
123 | MainWindow::~MainWindow() | |
124 | { | |
125 | while (!sessions_.empty()) | |
126 | remove_session(sessions_.front()); | |
127 | } | |
128 | ||
129 | shared_ptr<views::ViewBase> MainWindow::get_active_view() const | |
130 | { | |
131 | // If there's only one view, use it... | |
132 | if (view_docks_.size() == 1) | |
133 | return view_docks_.begin()->second; | |
134 | ||
135 | // ...otherwise find the dock widget the widget with focus is contained in | |
136 | QObject *w = QApplication::focusWidget(); | |
137 | QDockWidget *dock = nullptr; | |
138 | ||
139 | while (w) { | |
140 | dock = qobject_cast<QDockWidget*>(w); | |
141 | if (dock) | |
142 | break; | |
143 | w = w->parent(); | |
144 | } | |
145 | ||
146 | // Get the view contained in the dock widget | |
147 | for (auto entry : view_docks_) | |
148 | if (entry.first == dock) | |
149 | return entry.second; | |
150 | ||
151 | return nullptr; | |
152 | } | |
153 | ||
154 | shared_ptr<views::ViewBase> MainWindow::add_view(const QString &title, | |
155 | views::ViewType type, Session &session) | |
156 | { | |
157 | GlobalSettings settings; | |
158 | shared_ptr<views::ViewBase> v; | |
159 | ||
160 | QMainWindow *main_window = nullptr; | |
161 | for (auto entry : session_windows_) | |
162 | if (entry.first.get() == &session) | |
163 | main_window = entry.second; | |
164 | ||
165 | assert(main_window); | |
166 | ||
167 | shared_ptr<MainBar> main_bar = session.main_bar(); | |
168 | ||
169 | QDockWidget* dock = new QDockWidget(title, main_window); | |
170 | dock->setObjectName(title); | |
171 | main_window->addDockWidget(Qt::TopDockWidgetArea, dock); | |
172 | ||
173 | // Insert a QMainWindow into the dock widget to allow for a tool bar | |
174 | QMainWindow *dock_main = new QMainWindow(dock); | |
175 | dock_main->setWindowFlags(Qt::Widget); // Remove Qt::Window flag | |
176 | ||
177 | if (type == views::ViewTypeTrace) | |
178 | // This view will be the main view if there's no main bar yet | |
179 | v = make_shared<views::TraceView::View>(session, | |
180 | (main_bar ? false : true), dock_main); | |
181 | ||
182 | if (!v) | |
183 | return nullptr; | |
184 | ||
185 | view_docks_[dock] = v; | |
186 | session.register_view(v); | |
187 | ||
188 | dock_main->setCentralWidget(v.get()); | |
189 | dock->setWidget(dock_main); | |
190 | ||
191 | dock->setFeatures(QDockWidget::DockWidgetMovable | | |
192 | QDockWidget::DockWidgetFloatable | QDockWidget::DockWidgetClosable); | |
193 | ||
194 | QAbstractButton *close_btn = | |
195 | dock->findChildren<QAbstractButton*> | |
196 | ("qt_dockwidget_closebutton").front(); | |
197 | ||
198 | connect(close_btn, SIGNAL(clicked(bool)), | |
199 | this, SLOT(on_view_close_clicked())); | |
200 | ||
201 | connect(&session, SIGNAL(trigger_event(util::Timestamp)), | |
202 | qobject_cast<views::ViewBase*>(v.get()), | |
203 | SLOT(trigger_event(util::Timestamp))); | |
204 | ||
205 | if (type == views::ViewTypeTrace) { | |
206 | views::TraceView::View *tv = | |
207 | qobject_cast<views::TraceView::View*>(v.get()); | |
208 | ||
209 | tv->enable_coloured_bg(settings.value(GlobalSettings::Key_View_ColouredBG).toBool()); | |
210 | tv->enable_show_sampling_points(settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool()); | |
211 | tv->enable_show_analog_minor_grid(settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool()); | |
212 | ||
213 | if (!main_bar) { | |
214 | /* Initial view, create the main bar */ | |
215 | main_bar = make_shared<MainBar>(session, this, tv); | |
216 | dock_main->addToolBar(main_bar.get()); | |
217 | session.set_main_bar(main_bar); | |
218 | ||
219 | connect(main_bar.get(), SIGNAL(new_view(Session*)), | |
220 | this, SLOT(on_new_view(Session*))); | |
221 | ||
222 | main_bar->action_view_show_cursors()->setChecked(tv->cursors_shown()); | |
223 | ||
224 | /* For the main view we need to prevent the dock widget from | |
225 | * closing itself when its close button is clicked. This is | |
226 | * so we can confirm with the user first. Regular views don't | |
227 | * need this */ | |
228 | close_btn->disconnect(SIGNAL(clicked()), dock, SLOT(close())); | |
229 | } else { | |
230 | /* Additional view, create a standard bar */ | |
231 | pv::views::trace::StandardBar *standard_bar = | |
232 | new pv::views::trace::StandardBar(session, this, tv); | |
233 | dock_main->addToolBar(standard_bar); | |
234 | ||
235 | standard_bar->action_view_show_cursors()->setChecked(tv->cursors_shown()); | |
236 | } | |
237 | } | |
238 | ||
239 | return v; | |
240 | } | |
241 | ||
242 | void MainWindow::remove_view(shared_ptr<views::ViewBase> view) | |
243 | { | |
244 | for (shared_ptr<Session> session : sessions_) { | |
245 | if (!session->has_view(view)) | |
246 | continue; | |
247 | ||
248 | // Find the dock the view is contained in and remove it | |
249 | for (auto entry : view_docks_) | |
250 | if (entry.second == view) { | |
251 | // Remove the view from the session | |
252 | session->deregister_view(view); | |
253 | ||
254 | // Remove the view from its parent; otherwise, Qt will | |
255 | // call deleteLater() on it, which causes a double free | |
256 | // since the shared_ptr in view_docks_ doesn't know | |
257 | // that Qt keeps a pointer to the view around | |
258 | view->setParent(nullptr); | |
259 | ||
260 | // Delete the view's dock widget and all widgets inside it | |
261 | entry.first->deleteLater(); | |
262 | ||
263 | // Remove the dock widget from the list and stop iterating | |
264 | view_docks_.erase(entry.first); | |
265 | break; | |
266 | } | |
267 | } | |
268 | } | |
269 | ||
270 | shared_ptr<Session> MainWindow::add_session() | |
271 | { | |
272 | static int last_session_id = 1; | |
273 | QString name = tr("Session %1").arg(last_session_id++); | |
274 | ||
275 | shared_ptr<Session> session = make_shared<Session>(device_manager_, name); | |
276 | ||
277 | connect(session.get(), SIGNAL(add_view(const QString&, views::ViewType, Session*)), | |
278 | this, SLOT(on_add_view(const QString&, views::ViewType, Session*))); | |
279 | connect(session.get(), SIGNAL(name_changed()), | |
280 | this, SLOT(on_session_name_changed())); | |
281 | session_state_mapper_.setMapping(session.get(), session.get()); | |
282 | connect(session.get(), SIGNAL(capture_state_changed(int)), | |
283 | &session_state_mapper_, SLOT(map())); | |
284 | ||
285 | sessions_.push_back(session); | |
286 | ||
287 | QMainWindow *window = new QMainWindow(); | |
288 | window->setWindowFlags(Qt::Widget); // Remove Qt::Window flag | |
289 | session_windows_[session] = window; | |
290 | ||
291 | int index = session_selector_.addTab(window, name); | |
292 | session_selector_.setCurrentIndex(index); | |
293 | last_focused_session_ = session; | |
294 | ||
295 | window->setDockNestingEnabled(true); | |
296 | ||
297 | shared_ptr<views::ViewBase> main_view = | |
298 | add_view(name, views::ViewTypeTrace, *session); | |
299 | ||
300 | return session; | |
301 | } | |
302 | ||
303 | void MainWindow::remove_session(shared_ptr<Session> session) | |
304 | { | |
305 | int h = new_session_button_->height(); | |
306 | ||
307 | for (shared_ptr<views::ViewBase> view : session->views()) | |
308 | remove_view(view); | |
309 | ||
310 | QMainWindow *window = session_windows_.at(session); | |
311 | session_selector_.removeTab(session_selector_.indexOf(window)); | |
312 | ||
313 | session_windows_.erase(session); | |
314 | ||
315 | if (last_focused_session_ == session) | |
316 | last_focused_session_.reset(); | |
317 | ||
318 | sessions_.remove_if([&](shared_ptr<Session> s) { | |
319 | return s == session; }); | |
320 | ||
321 | if (sessions_.empty()) { | |
322 | // When there are no more tabs, the height of the QTabWidget | |
323 | // drops to zero. We must prevent this to keep the static | |
324 | // widgets visible | |
325 | for (QWidget *w : static_tab_widget_->findChildren<QWidget*>()) | |
326 | w->setMinimumHeight(h); | |
327 | ||
328 | int margin = static_tab_widget_->layout()->contentsMargins().bottom(); | |
329 | static_tab_widget_->setMinimumHeight(h + 2 * margin); | |
330 | session_selector_.setMinimumHeight(h + 2 * margin); | |
331 | ||
332 | // Update the window title if there is no view left to | |
333 | // generate focus change events | |
334 | setWindowTitle(WindowTitle); | |
335 | } | |
336 | } | |
337 | ||
338 | void MainWindow::setup_ui() | |
339 | { | |
340 | setObjectName(QString::fromUtf8("MainWindow")); | |
341 | ||
342 | setCentralWidget(&session_selector_); | |
343 | ||
344 | // Set the window icon | |
345 | QIcon icon; | |
346 | icon.addFile(QString(":/icons/sigrok-logo-notext.png")); | |
347 | setWindowIcon(icon); | |
348 | ||
349 | view_sticky_scrolling_shortcut_ = new QShortcut(QKeySequence(Qt::Key_S), this, SLOT(on_view_sticky_scrolling_shortcut())); | |
350 | view_sticky_scrolling_shortcut_->setAutoRepeat(false); | |
351 | ||
352 | view_show_sampling_points_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Period), this, SLOT(on_view_show_sampling_points_shortcut())); | |
353 | view_show_sampling_points_shortcut_->setAutoRepeat(false); | |
354 | ||
355 | view_show_analog_minor_grid_shortcut_ = new QShortcut(QKeySequence(Qt::Key_G), this, SLOT(on_view_show_analog_minor_grid_shortcut())); | |
356 | view_show_analog_minor_grid_shortcut_->setAutoRepeat(false); | |
357 | ||
358 | view_coloured_bg_shortcut_ = new QShortcut(QKeySequence(Qt::Key_B), this, SLOT(on_view_coloured_bg_shortcut())); | |
359 | view_coloured_bg_shortcut_->setAutoRepeat(false); | |
360 | ||
361 | // Set up the tab area | |
362 | new_session_button_ = new QToolButton(); | |
363 | new_session_button_->setIcon(QIcon::fromTheme("document-new", | |
364 | QIcon(":/icons/document-new.png"))); | |
365 | new_session_button_->setToolTip(tr("Create New Session")); | |
366 | new_session_button_->setAutoRaise(true); | |
367 | ||
368 | run_stop_button_ = new QToolButton(); | |
369 | run_stop_button_->setAutoRaise(true); | |
370 | run_stop_button_->setToolButtonStyle(Qt::ToolButtonTextBesideIcon); | |
371 | run_stop_button_->setToolTip(tr("Start/Stop Acquisition")); | |
372 | ||
373 | run_stop_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Space), run_stop_button_, SLOT(click())); | |
374 | run_stop_shortcut_->setAutoRepeat(false); | |
375 | ||
376 | settings_button_ = new QToolButton(); | |
377 | settings_button_->setIcon(QIcon::fromTheme("preferences-system", | |
378 | QIcon(":/icons/preferences-system.png"))); | |
379 | settings_button_->setToolTip(tr("Settings")); | |
380 | settings_button_->setAutoRaise(true); | |
381 | ||
382 | QFrame *separator1 = new QFrame(); | |
383 | separator1->setFrameStyle(QFrame::VLine | QFrame::Raised); | |
384 | QFrame *separator2 = new QFrame(); | |
385 | separator2->setFrameStyle(QFrame::VLine | QFrame::Raised); | |
386 | ||
387 | QHBoxLayout* layout = new QHBoxLayout(); | |
388 | layout->setContentsMargins(2, 2, 2, 2); | |
389 | layout->addWidget(new_session_button_); | |
390 | layout->addWidget(separator1); | |
391 | layout->addWidget(run_stop_button_); | |
392 | layout->addWidget(separator2); | |
393 | layout->addWidget(settings_button_); | |
394 | ||
395 | static_tab_widget_ = new QWidget(); | |
396 | static_tab_widget_->setLayout(layout); | |
397 | ||
398 | session_selector_.setCornerWidget(static_tab_widget_, Qt::TopLeftCorner); | |
399 | session_selector_.setTabsClosable(true); | |
400 | ||
401 | close_application_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q), this, SLOT(close())); | |
402 | close_application_shortcut_->setAutoRepeat(false); | |
403 | ||
404 | close_current_tab_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_W), this, SLOT(on_close_current_tab())); | |
405 | ||
406 | connect(new_session_button_, SIGNAL(clicked(bool)), | |
407 | this, SLOT(on_new_session_clicked())); | |
408 | connect(run_stop_button_, SIGNAL(clicked(bool)), | |
409 | this, SLOT(on_run_stop_clicked())); | |
410 | connect(&session_state_mapper_, SIGNAL(mapped(QObject*)), | |
411 | this, SLOT(on_capture_state_changed(QObject*))); | |
412 | connect(settings_button_, SIGNAL(clicked(bool)), | |
413 | this, SLOT(on_settings_clicked())); | |
414 | ||
415 | connect(&session_selector_, SIGNAL(tabCloseRequested(int)), | |
416 | this, SLOT(on_tab_close_requested(int))); | |
417 | connect(&session_selector_, SIGNAL(currentChanged(int)), | |
418 | this, SLOT(on_tab_changed(int))); | |
419 | ||
420 | ||
421 | connect(static_cast<QApplication *>(QCoreApplication::instance()), | |
422 | SIGNAL(focusChanged(QWidget*, QWidget*)), | |
423 | this, SLOT(on_focus_changed())); | |
424 | } | |
425 | ||
426 | void MainWindow::save_ui_settings() | |
427 | { | |
428 | QSettings settings; | |
429 | int id = 0; | |
430 | ||
431 | settings.beginGroup("MainWindow"); | |
432 | settings.setValue("state", saveState()); | |
433 | settings.setValue("geometry", saveGeometry()); | |
434 | settings.endGroup(); | |
435 | ||
436 | for (shared_ptr<Session> session : sessions_) { | |
437 | // Ignore sessions using the demo device or no device at all | |
438 | if (session->device()) { | |
439 | shared_ptr<devices::HardwareDevice> device = | |
440 | dynamic_pointer_cast< devices::HardwareDevice > | |
441 | (session->device()); | |
442 | ||
443 | if (device && | |
444 | device->hardware_device()->driver()->name() == "demo") | |
445 | continue; | |
446 | ||
447 | settings.beginGroup("Session" + QString::number(id++)); | |
448 | settings.remove(""); // Remove all keys in this group | |
449 | session->save_settings(settings); | |
450 | settings.endGroup(); | |
451 | } | |
452 | } | |
453 | ||
454 | settings.setValue("sessions", id); | |
455 | } | |
456 | ||
457 | void MainWindow::restore_ui_settings() | |
458 | { | |
459 | QSettings settings; | |
460 | int i, session_count; | |
461 | ||
462 | settings.beginGroup("MainWindow"); | |
463 | ||
464 | if (settings.contains("geometry")) { | |
465 | restoreGeometry(settings.value("geometry").toByteArray()); | |
466 | restoreState(settings.value("state").toByteArray()); | |
467 | } else | |
468 | resize(1000, 720); | |
469 | ||
470 | settings.endGroup(); | |
471 | ||
472 | session_count = settings.value("sessions", 0).toInt(); | |
473 | ||
474 | for (i = 0; i < session_count; i++) { | |
475 | settings.beginGroup("Session" + QString::number(i)); | |
476 | shared_ptr<Session> session = add_session(); | |
477 | session->restore_settings(settings); | |
478 | settings.endGroup(); | |
479 | } | |
480 | } | |
481 | ||
482 | shared_ptr<Session> MainWindow::get_tab_session(int index) const | |
483 | { | |
484 | // Find the session that belongs to the tab's main window | |
485 | for (auto entry : session_windows_) | |
486 | if (entry.second == session_selector_.widget(index)) | |
487 | return entry.first; | |
488 | ||
489 | return nullptr; | |
490 | } | |
491 | ||
492 | void MainWindow::closeEvent(QCloseEvent *event) | |
493 | { | |
494 | bool data_saved = true; | |
495 | ||
496 | for (auto entry : session_windows_) | |
497 | if (!entry.first->data_saved()) | |
498 | data_saved = false; | |
499 | ||
500 | if (!data_saved && (QMessageBox::question(this, tr("Confirmation"), | |
501 | tr("There is unsaved data. Close anyway?"), | |
502 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::No)) { | |
503 | event->ignore(); | |
504 | } else { | |
505 | save_ui_settings(); | |
506 | event->accept(); | |
507 | } | |
508 | } | |
509 | ||
510 | QMenu* MainWindow::createPopupMenu() | |
511 | { | |
512 | return nullptr; | |
513 | } | |
514 | ||
515 | bool MainWindow::restoreState(const QByteArray &state, int version) | |
516 | { | |
517 | (void)state; | |
518 | (void)version; | |
519 | ||
520 | // Do nothing. We don't want Qt to handle this, or else it | |
521 | // will try to restore all the dock widgets and create havoc. | |
522 | ||
523 | return false; | |
524 | } | |
525 | ||
526 | void MainWindow::session_error(const QString text, const QString info_text) | |
527 | { | |
528 | QMetaObject::invokeMethod(this, "show_session_error", | |
529 | Qt::QueuedConnection, Q_ARG(QString, text), | |
530 | Q_ARG(QString, info_text)); | |
531 | } | |
532 | ||
533 | void MainWindow::show_session_error(const QString text, const QString info_text) | |
534 | { | |
535 | QMessageBox msg(this); | |
536 | msg.setText(text); | |
537 | msg.setInformativeText(info_text); | |
538 | msg.setStandardButtons(QMessageBox::Ok); | |
539 | msg.setIcon(QMessageBox::Warning); | |
540 | msg.exec(); | |
541 | } | |
542 | ||
543 | void MainWindow::on_add_view(const QString &title, views::ViewType type, | |
544 | Session *session) | |
545 | { | |
546 | // We get a pointer and need a reference | |
547 | for (shared_ptr<Session> s : sessions_) | |
548 | if (s.get() == session) | |
549 | add_view(title, type, *s); | |
550 | } | |
551 | ||
552 | void MainWindow::on_focus_changed() | |
553 | { | |
554 | shared_ptr<views::ViewBase> view = get_active_view(); | |
555 | ||
556 | if (view) { | |
557 | for (shared_ptr<Session> session : sessions_) { | |
558 | if (session->has_view(view)) { | |
559 | if (session != last_focused_session_) { | |
560 | // Activate correct tab if necessary | |
561 | shared_ptr<Session> tab_session = get_tab_session( | |
562 | session_selector_.currentIndex()); | |
563 | if (tab_session != session) | |
564 | session_selector_.setCurrentWidget( | |
565 | session_windows_.at(session)); | |
566 | ||
567 | on_focused_session_changed(session); | |
568 | } | |
569 | ||
570 | break; | |
571 | } | |
572 | } | |
573 | } | |
574 | ||
575 | if (sessions_.empty()) | |
576 | setWindowTitle(WindowTitle); | |
577 | } | |
578 | ||
579 | void MainWindow::on_focused_session_changed(shared_ptr<Session> session) | |
580 | { | |
581 | last_focused_session_ = session; | |
582 | ||
583 | setWindowTitle(session->name() + " - " + WindowTitle); | |
584 | ||
585 | // Update the state of the run/stop button, too | |
586 | on_capture_state_changed(session.get()); | |
587 | } | |
588 | ||
589 | void MainWindow::on_new_session_clicked() | |
590 | { | |
591 | add_session(); | |
592 | } | |
593 | ||
594 | void MainWindow::on_run_stop_clicked() | |
595 | { | |
596 | shared_ptr<Session> session = last_focused_session_; | |
597 | ||
598 | if (!session) | |
599 | return; | |
600 | ||
601 | switch (session->get_capture_state()) { | |
602 | case Session::Stopped: | |
603 | session->start_capture([&](QString message) { | |
604 | session_error("Capture failed", message); }); | |
605 | break; | |
606 | case Session::AwaitingTrigger: | |
607 | case Session::Running: | |
608 | session->stop_capture(); | |
609 | break; | |
610 | } | |
611 | } | |
612 | ||
613 | void MainWindow::on_settings_clicked() | |
614 | { | |
615 | dialogs::Settings dlg(device_manager_); | |
616 | dlg.exec(); | |
617 | } | |
618 | ||
619 | void MainWindow::on_session_name_changed() | |
620 | { | |
621 | // Update the corresponding dock widget's name(s) | |
622 | Session *session = qobject_cast<Session*>(QObject::sender()); | |
623 | assert(session); | |
624 | ||
625 | for (shared_ptr<views::ViewBase> view : session->views()) { | |
626 | // Get the dock that contains the view | |
627 | for (auto entry : view_docks_) | |
628 | if (entry.second == view) { | |
629 | entry.first->setObjectName(session->name()); | |
630 | entry.first->setWindowTitle(session->name()); | |
631 | } | |
632 | } | |
633 | ||
634 | // Update the tab widget by finding the main window and the tab from that | |
635 | for (auto entry : session_windows_) | |
636 | if (entry.first.get() == session) { | |
637 | QMainWindow *window = entry.second; | |
638 | const int index = session_selector_.indexOf(window); | |
639 | session_selector_.setTabText(index, session->name()); | |
640 | } | |
641 | ||
642 | // Refresh window title if the affected session has focus | |
643 | if (session == last_focused_session_.get()) | |
644 | setWindowTitle(session->name() + " - " + WindowTitle); | |
645 | } | |
646 | ||
647 | void MainWindow::on_capture_state_changed(QObject *obj) | |
648 | { | |
649 | Session *caller = qobject_cast<Session*>(obj); | |
650 | ||
651 | // Ignore if caller is not the currently focused session | |
652 | // unless there is only one session | |
653 | if ((sessions_.size() > 1) && (caller != last_focused_session_.get())) | |
654 | return; | |
655 | ||
656 | int state = caller->get_capture_state(); | |
657 | ||
658 | const QIcon *icons[] = {&icon_grey_, &icon_red_, &icon_green_}; | |
659 | run_stop_button_->setIcon(*icons[state]); | |
660 | run_stop_button_->setText((state == pv::Session::Stopped) ? | |
661 | tr("Run") : tr("Stop")); | |
662 | } | |
663 | ||
664 | void MainWindow::on_new_view(Session *session) | |
665 | { | |
666 | // We get a pointer and need a reference | |
667 | for (shared_ptr<Session> s : sessions_) | |
668 | if (s.get() == session) | |
669 | add_view(session->name(), views::ViewTypeTrace, *s); | |
670 | } | |
671 | ||
672 | void MainWindow::on_view_close_clicked() | |
673 | { | |
674 | // Find the dock widget that contains the close button that was clicked | |
675 | QObject *w = QObject::sender(); | |
676 | QDockWidget *dock = nullptr; | |
677 | ||
678 | while (w) { | |
679 | dock = qobject_cast<QDockWidget*>(w); | |
680 | if (dock) | |
681 | break; | |
682 | w = w->parent(); | |
683 | } | |
684 | ||
685 | // Get the view contained in the dock widget | |
686 | shared_ptr<views::ViewBase> view; | |
687 | ||
688 | for (auto entry : view_docks_) | |
689 | if (entry.first == dock) | |
690 | view = entry.second; | |
691 | ||
692 | // Deregister the view | |
693 | for (shared_ptr<Session> session : sessions_) { | |
694 | if (!session->has_view(view)) | |
695 | continue; | |
696 | ||
697 | // Also destroy the entire session if its main view is closing... | |
698 | if (view == session->main_view()) { | |
699 | // ...but only if data is saved or the user confirms closing | |
700 | if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"), | |
701 | tr("This session contains unsaved data. Close it anyway?"), | |
702 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes)) | |
703 | remove_session(session); | |
704 | break; | |
705 | } else | |
706 | // All other views can be closed at any time as no data will be lost | |
707 | remove_view(view); | |
708 | } | |
709 | } | |
710 | ||
711 | void MainWindow::on_tab_changed(int index) | |
712 | { | |
713 | shared_ptr<Session> session = get_tab_session(index); | |
714 | ||
715 | if (session) | |
716 | on_focused_session_changed(session); | |
717 | } | |
718 | ||
719 | void MainWindow::on_tab_close_requested(int index) | |
720 | { | |
721 | shared_ptr<Session> session = get_tab_session(index); | |
722 | ||
723 | assert(session); | |
724 | ||
725 | if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"), | |
726 | tr("This session contains unsaved data. Close it anyway?"), | |
727 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes)) | |
728 | remove_session(session); | |
729 | } | |
730 | ||
731 | void MainWindow::on_view_coloured_bg_shortcut() | |
732 | { | |
733 | GlobalSettings settings; | |
734 | ||
735 | bool state = settings.value(GlobalSettings::Key_View_ColouredBG).toBool(); | |
736 | settings.setValue(GlobalSettings::Key_View_ColouredBG, !state); | |
737 | } | |
738 | ||
739 | void MainWindow::on_view_sticky_scrolling_shortcut() | |
740 | { | |
741 | GlobalSettings settings; | |
742 | ||
743 | bool state = settings.value(GlobalSettings::Key_View_StickyScrolling).toBool(); | |
744 | settings.setValue(GlobalSettings::Key_View_StickyScrolling, !state); | |
745 | } | |
746 | ||
747 | void MainWindow::on_view_show_sampling_points_shortcut() | |
748 | { | |
749 | GlobalSettings settings; | |
750 | ||
751 | bool state = settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool(); | |
752 | settings.setValue(GlobalSettings::Key_View_ShowSamplingPoints, !state); | |
753 | } | |
754 | ||
755 | void MainWindow::on_view_show_analog_minor_grid_shortcut() | |
756 | { | |
757 | GlobalSettings settings; | |
758 | ||
759 | bool state = settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool(); | |
760 | settings.setValue(GlobalSettings::Key_View_ShowAnalogMinorGrid, !state); | |
761 | } | |
762 | ||
763 | void MainWindow::on_settingViewColouredBg_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_coloured_bg(state); | |
775 | } | |
776 | } | |
777 | ||
778 | void MainWindow::on_settingViewShowSamplingPoints_changed(const QVariant new_value) | |
779 | { | |
780 | bool state = new_value.toBool(); | |
781 | ||
782 | for (auto entry : view_docks_) { | |
783 | shared_ptr<views::ViewBase> viewbase = entry.second; | |
784 | ||
785 | // Only trace views have this setting | |
786 | views::TraceView::View* view = | |
787 | qobject_cast<views::TraceView::View*>(viewbase.get()); | |
788 | if (view) | |
789 | view->enable_show_sampling_points(state); | |
790 | } | |
791 | } | |
792 | ||
793 | void MainWindow::on_settingViewShowAnalogMinorGrid_changed(const QVariant new_value) | |
794 | { | |
795 | bool state = new_value.toBool(); | |
796 | ||
797 | for (auto entry : view_docks_) { | |
798 | shared_ptr<views::ViewBase> viewbase = entry.second; | |
799 | ||
800 | // Only trace views have this setting | |
801 | views::TraceView::View* view = | |
802 | qobject_cast<views::TraceView::View*>(viewbase.get()); | |
803 | if (view) | |
804 | view->enable_show_analog_minor_grid(state); | |
805 | } | |
806 | } | |
807 | ||
808 | void MainWindow::on_close_current_tab() | |
809 | { | |
810 | int tab = session_selector_.currentIndex(); | |
811 | ||
812 | on_tab_close_requested(tab); | |
813 | } | |
814 | ||
815 | } // namespace pv |