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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 | bool restore_sessions, 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(restore_sessions); | |
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->setContextMenuPolicy(Qt::PreventContextMenu); | |
192 | dock->setFeatures(QDockWidget::DockWidgetMovable | | |
193 | QDockWidget::DockWidgetFloatable | QDockWidget::DockWidgetClosable); | |
194 | ||
195 | QAbstractButton *close_btn = | |
196 | dock->findChildren<QAbstractButton*> | |
197 | ("qt_dockwidget_closebutton").front(); | |
198 | ||
199 | connect(close_btn, SIGNAL(clicked(bool)), | |
200 | this, SLOT(on_view_close_clicked())); | |
201 | ||
202 | connect(&session, SIGNAL(trigger_event(util::Timestamp)), | |
203 | qobject_cast<views::ViewBase*>(v.get()), | |
204 | SLOT(trigger_event(util::Timestamp))); | |
205 | ||
206 | if (type == views::ViewTypeTrace) { | |
207 | views::TraceView::View *tv = | |
208 | qobject_cast<views::TraceView::View*>(v.get()); | |
209 | ||
210 | tv->enable_coloured_bg(settings.value(GlobalSettings::Key_View_ColouredBG).toBool()); | |
211 | tv->enable_show_sampling_points(settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool()); | |
212 | tv->enable_show_analog_minor_grid(settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool()); | |
213 | ||
214 | if (!main_bar) { | |
215 | /* Initial view, create the main bar */ | |
216 | main_bar = make_shared<MainBar>(session, this, tv); | |
217 | dock_main->addToolBar(main_bar.get()); | |
218 | session.set_main_bar(main_bar); | |
219 | ||
220 | connect(main_bar.get(), SIGNAL(new_view(Session*)), | |
221 | this, SLOT(on_new_view(Session*))); | |
222 | ||
223 | main_bar->action_view_show_cursors()->setChecked(tv->cursors_shown()); | |
224 | ||
225 | /* For the main view we need to prevent the dock widget from | |
226 | * closing itself when its close button is clicked. This is | |
227 | * so we can confirm with the user first. Regular views don't | |
228 | * need this */ | |
229 | close_btn->disconnect(SIGNAL(clicked()), dock, SLOT(close())); | |
230 | } else { | |
231 | /* Additional view, create a standard bar */ | |
232 | pv::views::trace::StandardBar *standard_bar = | |
233 | new pv::views::trace::StandardBar(session, this, tv); | |
234 | dock_main->addToolBar(standard_bar); | |
235 | ||
236 | standard_bar->action_view_show_cursors()->setChecked(tv->cursors_shown()); | |
237 | } | |
238 | } | |
239 | ||
240 | return v; | |
241 | } | |
242 | ||
243 | void MainWindow::remove_view(shared_ptr<views::ViewBase> view) | |
244 | { | |
245 | for (shared_ptr<Session> session : sessions_) { | |
246 | if (!session->has_view(view)) | |
247 | continue; | |
248 | ||
249 | // Find the dock the view is contained in and remove it | |
250 | for (auto entry : view_docks_) | |
251 | if (entry.second == view) { | |
252 | // Remove the view from the session | |
253 | session->deregister_view(view); | |
254 | ||
255 | // Remove the view from its parent; otherwise, Qt will | |
256 | // call deleteLater() on it, which causes a double free | |
257 | // since the shared_ptr in view_docks_ doesn't know | |
258 | // that Qt keeps a pointer to the view around | |
259 | view->setParent(nullptr); | |
260 | ||
261 | // Delete the view's dock widget and all widgets inside it | |
262 | entry.first->deleteLater(); | |
263 | ||
264 | // Remove the dock widget from the list and stop iterating | |
265 | view_docks_.erase(entry.first); | |
266 | break; | |
267 | } | |
268 | } | |
269 | } | |
270 | ||
271 | shared_ptr<Session> MainWindow::add_session() | |
272 | { | |
273 | static int last_session_id = 1; | |
274 | QString name = tr("Session %1").arg(last_session_id++); | |
275 | ||
276 | shared_ptr<Session> session = make_shared<Session>(device_manager_, name); | |
277 | ||
278 | connect(session.get(), SIGNAL(add_view(const QString&, views::ViewType, Session*)), | |
279 | this, SLOT(on_add_view(const QString&, views::ViewType, Session*))); | |
280 | connect(session.get(), SIGNAL(name_changed()), | |
281 | this, SLOT(on_session_name_changed())); | |
282 | session_state_mapper_.setMapping(session.get(), session.get()); | |
283 | connect(session.get(), SIGNAL(capture_state_changed(int)), | |
284 | &session_state_mapper_, SLOT(map())); | |
285 | ||
286 | sessions_.push_back(session); | |
287 | ||
288 | QMainWindow *window = new QMainWindow(); | |
289 | window->setWindowFlags(Qt::Widget); // Remove Qt::Window flag | |
290 | session_windows_[session] = window; | |
291 | ||
292 | int index = session_selector_.addTab(window, name); | |
293 | session_selector_.setCurrentIndex(index); | |
294 | last_focused_session_ = session; | |
295 | ||
296 | window->setDockNestingEnabled(true); | |
297 | ||
298 | shared_ptr<views::ViewBase> main_view = | |
299 | add_view(name, views::ViewTypeTrace, *session); | |
300 | ||
301 | return session; | |
302 | } | |
303 | ||
304 | void MainWindow::remove_session(shared_ptr<Session> session) | |
305 | { | |
306 | // Determine the height of the button before it collapses | |
307 | int h = new_session_button_->height(); | |
308 | ||
309 | // Stop capture while the session still exists so that the UI can be | |
310 | // updated in case we're currently running. If so, this will schedule a | |
311 | // call to our on_capture_state_changed() slot for the next run of the | |
312 | // event loop. We need to have this executed immediately or else it will | |
313 | // be dismissed since the session object will be deleted by the time we | |
314 | // leave this method and the event loop gets a chance to run again. | |
315 | session->stop_capture(); | |
316 | QApplication::processEvents(); | |
317 | ||
318 | for (shared_ptr<views::ViewBase> view : session->views()) | |
319 | remove_view(view); | |
320 | ||
321 | QMainWindow *window = session_windows_.at(session); | |
322 | session_selector_.removeTab(session_selector_.indexOf(window)); | |
323 | ||
324 | session_windows_.erase(session); | |
325 | ||
326 | if (last_focused_session_ == session) | |
327 | last_focused_session_.reset(); | |
328 | ||
329 | // Remove the session from our list of sessions (which also destroys it) | |
330 | sessions_.remove_if([&](shared_ptr<Session> s) { | |
331 | return s == session; }); | |
332 | ||
333 | if (sessions_.empty()) { | |
334 | // When there are no more tabs, the height of the QTabWidget | |
335 | // drops to zero. We must prevent this to keep the static | |
336 | // widgets visible | |
337 | for (QWidget *w : static_tab_widget_->findChildren<QWidget*>()) | |
338 | w->setMinimumHeight(h); | |
339 | ||
340 | int margin = static_tab_widget_->layout()->contentsMargins().bottom(); | |
341 | static_tab_widget_->setMinimumHeight(h + 2 * margin); | |
342 | session_selector_.setMinimumHeight(h + 2 * margin); | |
343 | ||
344 | // Update the window title if there is no view left to | |
345 | // generate focus change events | |
346 | setWindowTitle(WindowTitle); | |
347 | } | |
348 | } | |
349 | ||
350 | void MainWindow::setup_ui() | |
351 | { | |
352 | setObjectName(QString::fromUtf8("MainWindow")); | |
353 | ||
354 | setCentralWidget(&session_selector_); | |
355 | ||
356 | // Set the window icon | |
357 | QIcon icon; | |
358 | icon.addFile(QString(":/icons/sigrok-logo-notext.png")); | |
359 | setWindowIcon(icon); | |
360 | ||
361 | view_sticky_scrolling_shortcut_ = new QShortcut(QKeySequence(Qt::Key_S), this, SLOT(on_view_sticky_scrolling_shortcut())); | |
362 | view_sticky_scrolling_shortcut_->setAutoRepeat(false); | |
363 | ||
364 | view_show_sampling_points_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Period), this, SLOT(on_view_show_sampling_points_shortcut())); | |
365 | view_show_sampling_points_shortcut_->setAutoRepeat(false); | |
366 | ||
367 | view_show_analog_minor_grid_shortcut_ = new QShortcut(QKeySequence(Qt::Key_G), this, SLOT(on_view_show_analog_minor_grid_shortcut())); | |
368 | view_show_analog_minor_grid_shortcut_->setAutoRepeat(false); | |
369 | ||
370 | view_coloured_bg_shortcut_ = new QShortcut(QKeySequence(Qt::Key_B), this, SLOT(on_view_coloured_bg_shortcut())); | |
371 | view_coloured_bg_shortcut_->setAutoRepeat(false); | |
372 | ||
373 | // Set up the tab area | |
374 | new_session_button_ = new QToolButton(); | |
375 | new_session_button_->setIcon(QIcon::fromTheme("document-new", | |
376 | QIcon(":/icons/document-new.png"))); | |
377 | new_session_button_->setToolTip(tr("Create New Session")); | |
378 | new_session_button_->setAutoRaise(true); | |
379 | ||
380 | run_stop_button_ = new QToolButton(); | |
381 | run_stop_button_->setAutoRaise(true); | |
382 | run_stop_button_->setToolButtonStyle(Qt::ToolButtonTextBesideIcon); | |
383 | run_stop_button_->setToolTip(tr("Start/Stop Acquisition")); | |
384 | ||
385 | run_stop_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Space), run_stop_button_, SLOT(click())); | |
386 | run_stop_shortcut_->setAutoRepeat(false); | |
387 | ||
388 | settings_button_ = new QToolButton(); | |
389 | settings_button_->setIcon(QIcon::fromTheme("preferences-system", | |
390 | QIcon(":/icons/preferences-system.png"))); | |
391 | settings_button_->setToolTip(tr("Settings")); | |
392 | settings_button_->setAutoRaise(true); | |
393 | ||
394 | QFrame *separator1 = new QFrame(); | |
395 | separator1->setFrameStyle(QFrame::VLine | QFrame::Raised); | |
396 | QFrame *separator2 = new QFrame(); | |
397 | separator2->setFrameStyle(QFrame::VLine | QFrame::Raised); | |
398 | ||
399 | QHBoxLayout* layout = new QHBoxLayout(); | |
400 | layout->setContentsMargins(2, 2, 2, 2); | |
401 | layout->addWidget(new_session_button_); | |
402 | layout->addWidget(separator1); | |
403 | layout->addWidget(run_stop_button_); | |
404 | layout->addWidget(separator2); | |
405 | layout->addWidget(settings_button_); | |
406 | ||
407 | static_tab_widget_ = new QWidget(); | |
408 | static_tab_widget_->setLayout(layout); | |
409 | ||
410 | session_selector_.setCornerWidget(static_tab_widget_, Qt::TopLeftCorner); | |
411 | session_selector_.setTabsClosable(true); | |
412 | ||
413 | close_application_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q), this, SLOT(close())); | |
414 | close_application_shortcut_->setAutoRepeat(false); | |
415 | ||
416 | close_current_tab_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_W), this, SLOT(on_close_current_tab())); | |
417 | ||
418 | connect(new_session_button_, SIGNAL(clicked(bool)), | |
419 | this, SLOT(on_new_session_clicked())); | |
420 | connect(run_stop_button_, SIGNAL(clicked(bool)), | |
421 | this, SLOT(on_run_stop_clicked())); | |
422 | connect(&session_state_mapper_, SIGNAL(mapped(QObject*)), | |
423 | this, SLOT(on_capture_state_changed(QObject*))); | |
424 | connect(settings_button_, SIGNAL(clicked(bool)), | |
425 | this, SLOT(on_settings_clicked())); | |
426 | ||
427 | connect(&session_selector_, SIGNAL(tabCloseRequested(int)), | |
428 | this, SLOT(on_tab_close_requested(int))); | |
429 | connect(&session_selector_, SIGNAL(currentChanged(int)), | |
430 | this, SLOT(on_tab_changed(int))); | |
431 | ||
432 | ||
433 | connect(static_cast<QApplication *>(QCoreApplication::instance()), | |
434 | SIGNAL(focusChanged(QWidget*, QWidget*)), | |
435 | this, SLOT(on_focus_changed())); | |
436 | } | |
437 | ||
438 | void MainWindow::save_ui_settings() | |
439 | { | |
440 | QSettings settings; | |
441 | int id = 0; | |
442 | ||
443 | settings.beginGroup("MainWindow"); | |
444 | settings.setValue("state", saveState()); | |
445 | settings.setValue("geometry", saveGeometry()); | |
446 | settings.endGroup(); | |
447 | ||
448 | for (shared_ptr<Session> session : sessions_) { | |
449 | // Ignore sessions using the demo device or no device at all | |
450 | if (session->device()) { | |
451 | shared_ptr<devices::HardwareDevice> device = | |
452 | dynamic_pointer_cast< devices::HardwareDevice > | |
453 | (session->device()); | |
454 | ||
455 | if (device && | |
456 | device->hardware_device()->driver()->name() == "demo") | |
457 | continue; | |
458 | ||
459 | settings.beginGroup("Session" + QString::number(id++)); | |
460 | settings.remove(""); // Remove all keys in this group | |
461 | session->save_settings(settings); | |
462 | settings.endGroup(); | |
463 | } | |
464 | } | |
465 | ||
466 | settings.setValue("sessions", id); | |
467 | } | |
468 | ||
469 | void MainWindow::restore_ui_settings(bool restore_sessions) | |
470 | { | |
471 | QSettings settings; | |
472 | ||
473 | settings.beginGroup("MainWindow"); | |
474 | ||
475 | if (settings.contains("geometry")) { | |
476 | restoreGeometry(settings.value("geometry").toByteArray()); | |
477 | restoreState(settings.value("state").toByteArray()); | |
478 | } else | |
479 | resize(1000, 720); | |
480 | ||
481 | settings.endGroup(); | |
482 | ||
483 | if (restore_sessions) { | |
484 | int i, session_count; | |
485 | ||
486 | session_count = settings.value("sessions", 0).toInt(); | |
487 | ||
488 | for (i = 0; i < session_count; i++) { | |
489 | settings.beginGroup("Session" + QString::number(i)); | |
490 | shared_ptr<Session> session = add_session(); | |
491 | session->restore_settings(settings); | |
492 | settings.endGroup(); | |
493 | } | |
494 | } | |
495 | } | |
496 | ||
497 | shared_ptr<Session> MainWindow::get_tab_session(int index) const | |
498 | { | |
499 | // Find the session that belongs to the tab's main window | |
500 | for (auto entry : session_windows_) | |
501 | if (entry.second == session_selector_.widget(index)) | |
502 | return entry.first; | |
503 | ||
504 | return nullptr; | |
505 | } | |
506 | ||
507 | void MainWindow::closeEvent(QCloseEvent *event) | |
508 | { | |
509 | bool data_saved = true; | |
510 | ||
511 | for (auto entry : session_windows_) | |
512 | if (!entry.first->data_saved()) | |
513 | data_saved = false; | |
514 | ||
515 | if (!data_saved && (QMessageBox::question(this, tr("Confirmation"), | |
516 | tr("There is unsaved data. Close anyway?"), | |
517 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::No)) { | |
518 | event->ignore(); | |
519 | } else { | |
520 | save_ui_settings(); | |
521 | event->accept(); | |
522 | } | |
523 | } | |
524 | ||
525 | QMenu* MainWindow::createPopupMenu() | |
526 | { | |
527 | return nullptr; | |
528 | } | |
529 | ||
530 | bool MainWindow::restoreState(const QByteArray &state, int version) | |
531 | { | |
532 | (void)state; | |
533 | (void)version; | |
534 | ||
535 | // Do nothing. We don't want Qt to handle this, or else it | |
536 | // will try to restore all the dock widgets and create havoc. | |
537 | ||
538 | return false; | |
539 | } | |
540 | ||
541 | void MainWindow::session_error(const QString text, const QString info_text) | |
542 | { | |
543 | QMetaObject::invokeMethod(this, "show_session_error", | |
544 | Qt::QueuedConnection, Q_ARG(QString, text), | |
545 | Q_ARG(QString, info_text)); | |
546 | } | |
547 | ||
548 | void MainWindow::show_session_error(const QString text, const QString info_text) | |
549 | { | |
550 | QMessageBox msg(this); | |
551 | msg.setText(text); | |
552 | msg.setInformativeText(info_text); | |
553 | msg.setStandardButtons(QMessageBox::Ok); | |
554 | msg.setIcon(QMessageBox::Warning); | |
555 | msg.exec(); | |
556 | } | |
557 | ||
558 | void MainWindow::on_add_view(const QString &title, views::ViewType type, | |
559 | Session *session) | |
560 | { | |
561 | // We get a pointer and need a reference | |
562 | for (shared_ptr<Session> s : sessions_) | |
563 | if (s.get() == session) | |
564 | add_view(title, type, *s); | |
565 | } | |
566 | ||
567 | void MainWindow::on_focus_changed() | |
568 | { | |
569 | shared_ptr<views::ViewBase> view = get_active_view(); | |
570 | ||
571 | if (view) { | |
572 | for (shared_ptr<Session> session : sessions_) { | |
573 | if (session->has_view(view)) { | |
574 | if (session != last_focused_session_) { | |
575 | // Activate correct tab if necessary | |
576 | shared_ptr<Session> tab_session = get_tab_session( | |
577 | session_selector_.currentIndex()); | |
578 | if (tab_session != session) | |
579 | session_selector_.setCurrentWidget( | |
580 | session_windows_.at(session)); | |
581 | ||
582 | on_focused_session_changed(session); | |
583 | } | |
584 | ||
585 | break; | |
586 | } | |
587 | } | |
588 | } | |
589 | ||
590 | if (sessions_.empty()) | |
591 | setWindowTitle(WindowTitle); | |
592 | } | |
593 | ||
594 | void MainWindow::on_focused_session_changed(shared_ptr<Session> session) | |
595 | { | |
596 | last_focused_session_ = session; | |
597 | ||
598 | setWindowTitle(session->name() + " - " + WindowTitle); | |
599 | ||
600 | // Update the state of the run/stop button, too | |
601 | on_capture_state_changed(session.get()); | |
602 | } | |
603 | ||
604 | void MainWindow::on_new_session_clicked() | |
605 | { | |
606 | add_session(); | |
607 | } | |
608 | ||
609 | void MainWindow::on_run_stop_clicked() | |
610 | { | |
611 | shared_ptr<Session> session = last_focused_session_; | |
612 | ||
613 | if (!session) | |
614 | return; | |
615 | ||
616 | switch (session->get_capture_state()) { | |
617 | case Session::Stopped: | |
618 | session->start_capture([&](QString message) { | |
619 | session_error("Capture failed", message); }); | |
620 | break; | |
621 | case Session::AwaitingTrigger: | |
622 | case Session::Running: | |
623 | session->stop_capture(); | |
624 | break; | |
625 | } | |
626 | } | |
627 | ||
628 | void MainWindow::on_settings_clicked() | |
629 | { | |
630 | dialogs::Settings dlg(device_manager_); | |
631 | dlg.exec(); | |
632 | } | |
633 | ||
634 | void MainWindow::on_session_name_changed() | |
635 | { | |
636 | // Update the corresponding dock widget's name(s) | |
637 | Session *session = qobject_cast<Session*>(QObject::sender()); | |
638 | assert(session); | |
639 | ||
640 | for (shared_ptr<views::ViewBase> view : session->views()) { | |
641 | // Get the dock that contains the view | |
642 | for (auto entry : view_docks_) | |
643 | if (entry.second == view) { | |
644 | entry.first->setObjectName(session->name()); | |
645 | entry.first->setWindowTitle(session->name()); | |
646 | } | |
647 | } | |
648 | ||
649 | // Update the tab widget by finding the main window and the tab from that | |
650 | for (auto entry : session_windows_) | |
651 | if (entry.first.get() == session) { | |
652 | QMainWindow *window = entry.second; | |
653 | const int index = session_selector_.indexOf(window); | |
654 | session_selector_.setTabText(index, session->name()); | |
655 | } | |
656 | ||
657 | // Refresh window title if the affected session has focus | |
658 | if (session == last_focused_session_.get()) | |
659 | setWindowTitle(session->name() + " - " + WindowTitle); | |
660 | } | |
661 | ||
662 | void MainWindow::on_capture_state_changed(QObject *obj) | |
663 | { | |
664 | Session *caller = qobject_cast<Session*>(obj); | |
665 | ||
666 | // Ignore if caller is not the currently focused session | |
667 | // unless there is only one session | |
668 | if ((sessions_.size() > 1) && (caller != last_focused_session_.get())) | |
669 | return; | |
670 | ||
671 | int state = caller->get_capture_state(); | |
672 | ||
673 | const QIcon *icons[] = {&icon_grey_, &icon_red_, &icon_green_}; | |
674 | run_stop_button_->setIcon(*icons[state]); | |
675 | run_stop_button_->setText((state == pv::Session::Stopped) ? | |
676 | tr("Run") : tr("Stop")); | |
677 | } | |
678 | ||
679 | void MainWindow::on_new_view(Session *session) | |
680 | { | |
681 | // We get a pointer and need a reference | |
682 | for (shared_ptr<Session> s : sessions_) | |
683 | if (s.get() == session) | |
684 | add_view(session->name(), views::ViewTypeTrace, *s); | |
685 | } | |
686 | ||
687 | void MainWindow::on_view_close_clicked() | |
688 | { | |
689 | // Find the dock widget that contains the close button that was clicked | |
690 | QObject *w = QObject::sender(); | |
691 | QDockWidget *dock = nullptr; | |
692 | ||
693 | while (w) { | |
694 | dock = qobject_cast<QDockWidget*>(w); | |
695 | if (dock) | |
696 | break; | |
697 | w = w->parent(); | |
698 | } | |
699 | ||
700 | // Get the view contained in the dock widget | |
701 | shared_ptr<views::ViewBase> view; | |
702 | ||
703 | for (auto entry : view_docks_) | |
704 | if (entry.first == dock) | |
705 | view = entry.second; | |
706 | ||
707 | // Deregister the view | |
708 | for (shared_ptr<Session> session : sessions_) { | |
709 | if (!session->has_view(view)) | |
710 | continue; | |
711 | ||
712 | // Also destroy the entire session if its main view is closing... | |
713 | if (view == session->main_view()) { | |
714 | // ...but only if data is saved or the user confirms closing | |
715 | if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"), | |
716 | tr("This session contains unsaved data. Close it anyway?"), | |
717 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes)) | |
718 | remove_session(session); | |
719 | break; | |
720 | } else | |
721 | // All other views can be closed at any time as no data will be lost | |
722 | remove_view(view); | |
723 | } | |
724 | } | |
725 | ||
726 | void MainWindow::on_tab_changed(int index) | |
727 | { | |
728 | shared_ptr<Session> session = get_tab_session(index); | |
729 | ||
730 | if (session) | |
731 | on_focused_session_changed(session); | |
732 | } | |
733 | ||
734 | void MainWindow::on_tab_close_requested(int index) | |
735 | { | |
736 | shared_ptr<Session> session = get_tab_session(index); | |
737 | ||
738 | if (!session) | |
739 | return; | |
740 | ||
741 | if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"), | |
742 | tr("This session contains unsaved data. Close it anyway?"), | |
743 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes)) | |
744 | remove_session(session); | |
745 | } | |
746 | ||
747 | void MainWindow::on_view_coloured_bg_shortcut() | |
748 | { | |
749 | GlobalSettings settings; | |
750 | ||
751 | bool state = settings.value(GlobalSettings::Key_View_ColouredBG).toBool(); | |
752 | settings.setValue(GlobalSettings::Key_View_ColouredBG, !state); | |
753 | } | |
754 | ||
755 | void MainWindow::on_view_sticky_scrolling_shortcut() | |
756 | { | |
757 | GlobalSettings settings; | |
758 | ||
759 | bool state = settings.value(GlobalSettings::Key_View_StickyScrolling).toBool(); | |
760 | settings.setValue(GlobalSettings::Key_View_StickyScrolling, !state); | |
761 | } | |
762 | ||
763 | void MainWindow::on_view_show_sampling_points_shortcut() | |
764 | { | |
765 | GlobalSettings settings; | |
766 | ||
767 | bool state = settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool(); | |
768 | settings.setValue(GlobalSettings::Key_View_ShowSamplingPoints, !state); | |
769 | } | |
770 | ||
771 | void MainWindow::on_view_show_analog_minor_grid_shortcut() | |
772 | { | |
773 | GlobalSettings settings; | |
774 | ||
775 | bool state = settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool(); | |
776 | settings.setValue(GlobalSettings::Key_View_ShowAnalogMinorGrid, !state); | |
777 | } | |
778 | ||
779 | void MainWindow::on_settingViewColouredBg_changed(const QVariant new_value) | |
780 | { | |
781 | bool state = new_value.toBool(); | |
782 | ||
783 | for (auto entry : view_docks_) { | |
784 | shared_ptr<views::ViewBase> viewbase = entry.second; | |
785 | ||
786 | // Only trace views have this setting | |
787 | views::TraceView::View* view = | |
788 | qobject_cast<views::TraceView::View*>(viewbase.get()); | |
789 | if (view) | |
790 | view->enable_coloured_bg(state); | |
791 | } | |
792 | } | |
793 | ||
794 | void MainWindow::on_settingViewShowSamplingPoints_changed(const QVariant new_value) | |
795 | { | |
796 | bool state = new_value.toBool(); | |
797 | ||
798 | for (auto entry : view_docks_) { | |
799 | shared_ptr<views::ViewBase> viewbase = entry.second; | |
800 | ||
801 | // Only trace views have this setting | |
802 | views::TraceView::View* view = | |
803 | qobject_cast<views::TraceView::View*>(viewbase.get()); | |
804 | if (view) | |
805 | view->enable_show_sampling_points(state); | |
806 | } | |
807 | } | |
808 | ||
809 | void MainWindow::on_settingViewShowAnalogMinorGrid_changed(const QVariant new_value) | |
810 | { | |
811 | bool state = new_value.toBool(); | |
812 | ||
813 | for (auto entry : view_docks_) { | |
814 | shared_ptr<views::ViewBase> viewbase = entry.second; | |
815 | ||
816 | // Only trace views have this setting | |
817 | views::TraceView::View* view = | |
818 | qobject_cast<views::TraceView::View*>(viewbase.get()); | |
819 | if (view) | |
820 | view->enable_show_analog_minor_grid(state); | |
821 | } | |
822 | } | |
823 | ||
824 | void MainWindow::on_close_current_tab() | |
825 | { | |
826 | int tab = session_selector_.currentIndex(); | |
827 | ||
828 | on_tab_close_requested(tab); | |
829 | } | |
830 | ||
831 | } // namespace pv |