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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 <QDebug> | |
34 | #include <QDockWidget> | |
35 | #include <QHBoxLayout> | |
36 | #include <QMessageBox> | |
37 | #include <QSettings> | |
38 | #include <QShortcut> | |
39 | #include <QWidget> | |
40 | ||
41 | #include "mainwindow.hpp" | |
42 | ||
43 | #include "devicemanager.hpp" | |
44 | #include "devices/hardwaredevice.hpp" | |
45 | #include "dialogs/settings.hpp" | |
46 | #include "globalsettings.hpp" | |
47 | #include "toolbars/mainbar.hpp" | |
48 | #include "util.hpp" | |
49 | #include "views/trace/view.hpp" | |
50 | #include "views/trace/standardbar.hpp" | |
51 | ||
52 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
53 | ||
54 | using std::dynamic_pointer_cast; | |
55 | using std::make_shared; | |
56 | using std::shared_ptr; | |
57 | using std::string; | |
58 | ||
59 | namespace pv { | |
60 | ||
61 | namespace view { | |
62 | class ViewItem; | |
63 | } | |
64 | ||
65 | using toolbars::MainBar; | |
66 | ||
67 | const QString MainWindow::WindowTitle = tr("PulseView"); | |
68 | ||
69 | MainWindow::MainWindow(DeviceManager &device_manager, QWidget *parent) : | |
70 | QMainWindow(parent), | |
71 | device_manager_(device_manager), | |
72 | session_selector_(this), | |
73 | session_state_mapper_(this), | |
74 | icon_red_(":/icons/status-red.svg"), | |
75 | icon_green_(":/icons/status-green.svg"), | |
76 | icon_grey_(":/icons/status-grey.svg") | |
77 | { | |
78 | qRegisterMetaType<util::Timestamp>("util::Timestamp"); | |
79 | qRegisterMetaType<uint64_t>("uint64_t"); | |
80 | ||
81 | GlobalSettings::add_change_handler(this); | |
82 | ||
83 | setup_ui(); | |
84 | restore_ui_settings(); | |
85 | } | |
86 | ||
87 | MainWindow::~MainWindow() | |
88 | { | |
89 | GlobalSettings::remove_change_handler(this); | |
90 | ||
91 | while (!sessions_.empty()) | |
92 | remove_session(sessions_.front()); | |
93 | } | |
94 | ||
95 | void MainWindow::show_session_error(const QString text, const QString info_text) | |
96 | { | |
97 | qDebug().noquote() << "Notifying user of session error:" << info_text; | |
98 | ||
99 | QMessageBox msg; | |
100 | msg.setText(text); | |
101 | msg.setInformativeText(info_text); | |
102 | msg.setStandardButtons(QMessageBox::Ok); | |
103 | msg.setIcon(QMessageBox::Warning); | |
104 | msg.exec(); | |
105 | } | |
106 | ||
107 | shared_ptr<views::ViewBase> MainWindow::get_active_view() const | |
108 | { | |
109 | // If there's only one view, use it... | |
110 | if (view_docks_.size() == 1) | |
111 | return view_docks_.begin()->second; | |
112 | ||
113 | // ...otherwise find the dock widget the widget with focus is contained in | |
114 | QObject *w = QApplication::focusWidget(); | |
115 | QDockWidget *dock = nullptr; | |
116 | ||
117 | while (w) { | |
118 | dock = qobject_cast<QDockWidget*>(w); | |
119 | if (dock) | |
120 | break; | |
121 | w = w->parent(); | |
122 | } | |
123 | ||
124 | // Get the view contained in the dock widget | |
125 | for (auto entry : view_docks_) | |
126 | if (entry.first == dock) | |
127 | return entry.second; | |
128 | ||
129 | return nullptr; | |
130 | } | |
131 | ||
132 | shared_ptr<views::ViewBase> MainWindow::add_view(const QString &title, | |
133 | views::ViewType type, Session &session) | |
134 | { | |
135 | GlobalSettings settings; | |
136 | shared_ptr<views::ViewBase> v; | |
137 | ||
138 | QMainWindow *main_window = nullptr; | |
139 | for (auto entry : session_windows_) | |
140 | if (entry.first.get() == &session) | |
141 | main_window = entry.second; | |
142 | ||
143 | assert(main_window); | |
144 | ||
145 | shared_ptr<MainBar> main_bar = session.main_bar(); | |
146 | ||
147 | QDockWidget* dock = new QDockWidget(title, main_window); | |
148 | dock->setObjectName(title); | |
149 | main_window->addDockWidget(Qt::TopDockWidgetArea, dock); | |
150 | ||
151 | // Insert a QMainWindow into the dock widget to allow for a tool bar | |
152 | QMainWindow *dock_main = new QMainWindow(dock); | |
153 | dock_main->setWindowFlags(Qt::Widget); // Remove Qt::Window flag | |
154 | ||
155 | if (type == views::ViewTypeTrace) | |
156 | // This view will be the main view if there's no main bar yet | |
157 | v = make_shared<views::trace::View>(session, | |
158 | (main_bar ? false : true), dock_main); | |
159 | ||
160 | if (!v) | |
161 | return nullptr; | |
162 | ||
163 | view_docks_[dock] = v; | |
164 | session.register_view(v); | |
165 | ||
166 | dock_main->setCentralWidget(v.get()); | |
167 | dock->setWidget(dock_main); | |
168 | ||
169 | dock->setContextMenuPolicy(Qt::PreventContextMenu); | |
170 | dock->setFeatures(QDockWidget::DockWidgetMovable | | |
171 | QDockWidget::DockWidgetFloatable | QDockWidget::DockWidgetClosable); | |
172 | ||
173 | QAbstractButton *close_btn = | |
174 | dock->findChildren<QAbstractButton*> | |
175 | ("qt_dockwidget_closebutton").front(); | |
176 | ||
177 | connect(close_btn, SIGNAL(clicked(bool)), | |
178 | this, SLOT(on_view_close_clicked())); | |
179 | ||
180 | connect(&session, SIGNAL(trigger_event(int, util::Timestamp)), | |
181 | qobject_cast<views::ViewBase*>(v.get()), | |
182 | SLOT(trigger_event(int, util::Timestamp))); | |
183 | ||
184 | if (type == views::ViewTypeTrace) { | |
185 | views::trace::View *tv = | |
186 | qobject_cast<views::trace::View*>(v.get()); | |
187 | ||
188 | tv->enable_colored_bg(settings.value(GlobalSettings::Key_View_ColoredBG).toBool()); | |
189 | tv->enable_show_sampling_points(settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool()); | |
190 | tv->enable_show_analog_minor_grid(settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool()); | |
191 | ||
192 | if (!main_bar) { | |
193 | /* Initial view, create the main bar */ | |
194 | main_bar = make_shared<MainBar>(session, this, tv); | |
195 | dock_main->addToolBar(main_bar.get()); | |
196 | session.set_main_bar(main_bar); | |
197 | ||
198 | connect(main_bar.get(), SIGNAL(new_view(Session*)), | |
199 | this, SLOT(on_new_view(Session*))); | |
200 | ||
201 | main_bar->action_view_show_cursors()->setChecked(tv->cursors_shown()); | |
202 | ||
203 | /* For the main view we need to prevent the dock widget from | |
204 | * closing itself when its close button is clicked. This is | |
205 | * so we can confirm with the user first. Regular views don't | |
206 | * need this */ | |
207 | close_btn->disconnect(SIGNAL(clicked()), dock, SLOT(close())); | |
208 | } else { | |
209 | /* Additional view, create a standard bar */ | |
210 | pv::views::trace::StandardBar *standard_bar = | |
211 | new pv::views::trace::StandardBar(session, this, tv); | |
212 | dock_main->addToolBar(standard_bar); | |
213 | ||
214 | standard_bar->action_view_show_cursors()->setChecked(tv->cursors_shown()); | |
215 | } | |
216 | } | |
217 | ||
218 | return v; | |
219 | } | |
220 | ||
221 | void MainWindow::remove_view(shared_ptr<views::ViewBase> view) | |
222 | { | |
223 | for (shared_ptr<Session> session : sessions_) { | |
224 | if (!session->has_view(view)) | |
225 | continue; | |
226 | ||
227 | // Find the dock the view is contained in and remove it | |
228 | for (auto entry : view_docks_) | |
229 | if (entry.second == view) { | |
230 | // Remove the view from the session | |
231 | session->deregister_view(view); | |
232 | ||
233 | // Remove the view from its parent; otherwise, Qt will | |
234 | // call deleteLater() on it, which causes a double free | |
235 | // since the shared_ptr in view_docks_ doesn't know | |
236 | // that Qt keeps a pointer to the view around | |
237 | view->setParent(nullptr); | |
238 | ||
239 | // Delete the view's dock widget and all widgets inside it | |
240 | entry.first->deleteLater(); | |
241 | ||
242 | // Remove the dock widget from the list and stop iterating | |
243 | view_docks_.erase(entry.first); | |
244 | break; | |
245 | } | |
246 | } | |
247 | } | |
248 | ||
249 | shared_ptr<Session> MainWindow::add_session() | |
250 | { | |
251 | static int last_session_id = 1; | |
252 | QString name = tr("Session %1").arg(last_session_id++); | |
253 | ||
254 | shared_ptr<Session> session = make_shared<Session>(device_manager_, name); | |
255 | ||
256 | connect(session.get(), SIGNAL(add_view(const QString&, views::ViewType, Session*)), | |
257 | this, SLOT(on_add_view(const QString&, views::ViewType, Session*))); | |
258 | connect(session.get(), SIGNAL(name_changed()), | |
259 | this, SLOT(on_session_name_changed())); | |
260 | session_state_mapper_.setMapping(session.get(), session.get()); | |
261 | connect(session.get(), SIGNAL(capture_state_changed(int)), | |
262 | &session_state_mapper_, SLOT(map())); | |
263 | ||
264 | sessions_.push_back(session); | |
265 | ||
266 | QMainWindow *window = new QMainWindow(); | |
267 | window->setWindowFlags(Qt::Widget); // Remove Qt::Window flag | |
268 | session_windows_[session] = window; | |
269 | ||
270 | int index = session_selector_.addTab(window, name); | |
271 | session_selector_.setCurrentIndex(index); | |
272 | last_focused_session_ = session; | |
273 | ||
274 | window->setDockNestingEnabled(true); | |
275 | ||
276 | shared_ptr<views::ViewBase> main_view = | |
277 | add_view(name, views::ViewTypeTrace, *session); | |
278 | ||
279 | return session; | |
280 | } | |
281 | ||
282 | void MainWindow::remove_session(shared_ptr<Session> session) | |
283 | { | |
284 | // Determine the height of the button before it collapses | |
285 | int h = new_session_button_->height(); | |
286 | ||
287 | // Stop capture while the session still exists so that the UI can be | |
288 | // updated in case we're currently running. If so, this will schedule a | |
289 | // call to our on_capture_state_changed() slot for the next run of the | |
290 | // event loop. We need to have this executed immediately or else it will | |
291 | // be dismissed since the session object will be deleted by the time we | |
292 | // leave this method and the event loop gets a chance to run again. | |
293 | session->stop_capture(); | |
294 | QApplication::processEvents(); | |
295 | ||
296 | for (shared_ptr<views::ViewBase> view : session->views()) | |
297 | remove_view(view); | |
298 | ||
299 | QMainWindow *window = session_windows_.at(session); | |
300 | session_selector_.removeTab(session_selector_.indexOf(window)); | |
301 | ||
302 | session_windows_.erase(session); | |
303 | ||
304 | if (last_focused_session_ == session) | |
305 | last_focused_session_.reset(); | |
306 | ||
307 | // Remove the session from our list of sessions (which also destroys it) | |
308 | sessions_.remove_if([&](shared_ptr<Session> s) { | |
309 | return s == session; }); | |
310 | ||
311 | if (sessions_.empty()) { | |
312 | // When there are no more tabs, the height of the QTabWidget | |
313 | // drops to zero. We must prevent this to keep the static | |
314 | // widgets visible | |
315 | for (QWidget *w : static_tab_widget_->findChildren<QWidget*>()) | |
316 | w->setMinimumHeight(h); | |
317 | ||
318 | int margin = static_tab_widget_->layout()->contentsMargins().bottom(); | |
319 | static_tab_widget_->setMinimumHeight(h + 2 * margin); | |
320 | session_selector_.setMinimumHeight(h + 2 * margin); | |
321 | ||
322 | // Update the window title if there is no view left to | |
323 | // generate focus change events | |
324 | setWindowTitle(WindowTitle); | |
325 | } | |
326 | } | |
327 | ||
328 | void MainWindow::add_session_with_file(string open_file_name, | |
329 | string open_file_format) | |
330 | { | |
331 | shared_ptr<Session> session = add_session(); | |
332 | session->load_init_file(open_file_name, open_file_format); | |
333 | } | |
334 | ||
335 | void MainWindow::add_default_session() | |
336 | { | |
337 | // Only add the default session if there would be no session otherwise | |
338 | if (sessions_.size() > 0) | |
339 | return; | |
340 | ||
341 | shared_ptr<Session> session = add_session(); | |
342 | ||
343 | // Check the list of available devices. Prefer the one that was | |
344 | // found with user supplied scan specs (if applicable). Then try | |
345 | // one of the auto detected devices that are not the demo device. | |
346 | // Pick demo in the absence of "genuine" hardware devices. | |
347 | shared_ptr<devices::HardwareDevice> user_device, other_device, demo_device; | |
348 | for (shared_ptr<devices::HardwareDevice> dev : device_manager_.devices()) { | |
349 | if (dev == device_manager_.user_spec_device()) { | |
350 | user_device = dev; | |
351 | } else if (dev->hardware_device()->driver()->name() == "demo") { | |
352 | demo_device = dev; | |
353 | } else { | |
354 | other_device = dev; | |
355 | } | |
356 | } | |
357 | if (user_device) | |
358 | session->select_device(user_device); | |
359 | else if (other_device) | |
360 | session->select_device(other_device); | |
361 | else | |
362 | session->select_device(demo_device); | |
363 | } | |
364 | ||
365 | void MainWindow::save_sessions() | |
366 | { | |
367 | QSettings settings; | |
368 | int id = 0; | |
369 | ||
370 | for (shared_ptr<Session> session : sessions_) { | |
371 | // Ignore sessions using the demo device or no device at all | |
372 | if (session->device()) { | |
373 | shared_ptr<devices::HardwareDevice> device = | |
374 | dynamic_pointer_cast< devices::HardwareDevice > | |
375 | (session->device()); | |
376 | ||
377 | if (device && | |
378 | device->hardware_device()->driver()->name() == "demo") | |
379 | continue; | |
380 | ||
381 | settings.beginGroup("Session" + QString::number(id++)); | |
382 | settings.remove(""); // Remove all keys in this group | |
383 | session->save_settings(settings); | |
384 | settings.endGroup(); | |
385 | } | |
386 | } | |
387 | ||
388 | settings.setValue("sessions", id); | |
389 | } | |
390 | ||
391 | void MainWindow::restore_sessions() | |
392 | { | |
393 | QSettings settings; | |
394 | int i, session_count; | |
395 | ||
396 | session_count = settings.value("sessions", 0).toInt(); | |
397 | ||
398 | for (i = 0; i < session_count; i++) { | |
399 | settings.beginGroup("Session" + QString::number(i)); | |
400 | shared_ptr<Session> session = add_session(); | |
401 | session->restore_settings(settings); | |
402 | settings.endGroup(); | |
403 | } | |
404 | } | |
405 | ||
406 | void MainWindow::on_setting_changed(const QString &key, const QVariant &value) | |
407 | { | |
408 | if (key == GlobalSettings::Key_View_ColoredBG) | |
409 | on_settingViewColoredBg_changed(value); | |
410 | ||
411 | if (key == GlobalSettings::Key_View_ShowSamplingPoints) | |
412 | on_settingViewShowSamplingPoints_changed(value); | |
413 | ||
414 | if (key == GlobalSettings::Key_View_ShowAnalogMinorGrid) | |
415 | on_settingViewShowAnalogMinorGrid_changed(value); | |
416 | } | |
417 | ||
418 | void MainWindow::setup_ui() | |
419 | { | |
420 | setObjectName(QString::fromUtf8("MainWindow")); | |
421 | ||
422 | setCentralWidget(&session_selector_); | |
423 | ||
424 | // Set the window icon | |
425 | QIcon icon; | |
426 | icon.addFile(QString(":/icons/pulseview.png")); | |
427 | setWindowIcon(icon); | |
428 | ||
429 | view_sticky_scrolling_shortcut_ = new QShortcut(QKeySequence(Qt::Key_S), this, SLOT(on_view_sticky_scrolling_shortcut())); | |
430 | view_sticky_scrolling_shortcut_->setAutoRepeat(false); | |
431 | ||
432 | view_show_sampling_points_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Period), this, SLOT(on_view_show_sampling_points_shortcut())); | |
433 | view_show_sampling_points_shortcut_->setAutoRepeat(false); | |
434 | ||
435 | view_show_analog_minor_grid_shortcut_ = new QShortcut(QKeySequence(Qt::Key_G), this, SLOT(on_view_show_analog_minor_grid_shortcut())); | |
436 | view_show_analog_minor_grid_shortcut_->setAutoRepeat(false); | |
437 | ||
438 | view_colored_bg_shortcut_ = new QShortcut(QKeySequence(Qt::Key_B), this, SLOT(on_view_colored_bg_shortcut())); | |
439 | view_colored_bg_shortcut_->setAutoRepeat(false); | |
440 | ||
441 | // Set up the tab area | |
442 | new_session_button_ = new QToolButton(); | |
443 | new_session_button_->setIcon(QIcon::fromTheme("document-new", | |
444 | QIcon(":/icons/document-new.png"))); | |
445 | new_session_button_->setToolTip(tr("Create New Session")); | |
446 | new_session_button_->setAutoRaise(true); | |
447 | ||
448 | run_stop_button_ = new QToolButton(); | |
449 | run_stop_button_->setAutoRaise(true); | |
450 | run_stop_button_->setToolButtonStyle(Qt::ToolButtonTextBesideIcon); | |
451 | run_stop_button_->setToolTip(tr("Start/Stop Acquisition")); | |
452 | ||
453 | run_stop_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Space), run_stop_button_, SLOT(click())); | |
454 | run_stop_shortcut_->setAutoRepeat(false); | |
455 | ||
456 | settings_button_ = new QToolButton(); | |
457 | settings_button_->setIcon(QIcon::fromTheme("preferences-system", | |
458 | QIcon(":/icons/preferences-system.png"))); | |
459 | settings_button_->setToolTip(tr("Settings")); | |
460 | settings_button_->setAutoRaise(true); | |
461 | ||
462 | QFrame *separator1 = new QFrame(); | |
463 | separator1->setFrameStyle(QFrame::VLine | QFrame::Raised); | |
464 | QFrame *separator2 = new QFrame(); | |
465 | separator2->setFrameStyle(QFrame::VLine | QFrame::Raised); | |
466 | ||
467 | QHBoxLayout* layout = new QHBoxLayout(); | |
468 | layout->setContentsMargins(2, 2, 2, 2); | |
469 | layout->addWidget(new_session_button_); | |
470 | layout->addWidget(separator1); | |
471 | layout->addWidget(run_stop_button_); | |
472 | layout->addWidget(separator2); | |
473 | layout->addWidget(settings_button_); | |
474 | ||
475 | static_tab_widget_ = new QWidget(); | |
476 | static_tab_widget_->setLayout(layout); | |
477 | ||
478 | session_selector_.setCornerWidget(static_tab_widget_, Qt::TopLeftCorner); | |
479 | session_selector_.setTabsClosable(true); | |
480 | ||
481 | close_application_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q), this, SLOT(close())); | |
482 | close_application_shortcut_->setAutoRepeat(false); | |
483 | ||
484 | close_current_tab_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_W), this, SLOT(on_close_current_tab())); | |
485 | ||
486 | connect(new_session_button_, SIGNAL(clicked(bool)), | |
487 | this, SLOT(on_new_session_clicked())); | |
488 | connect(run_stop_button_, SIGNAL(clicked(bool)), | |
489 | this, SLOT(on_run_stop_clicked())); | |
490 | connect(&session_state_mapper_, SIGNAL(mapped(QObject*)), | |
491 | this, SLOT(on_capture_state_changed(QObject*))); | |
492 | connect(settings_button_, SIGNAL(clicked(bool)), | |
493 | this, SLOT(on_settings_clicked())); | |
494 | ||
495 | connect(&session_selector_, SIGNAL(tabCloseRequested(int)), | |
496 | this, SLOT(on_tab_close_requested(int))); | |
497 | connect(&session_selector_, SIGNAL(currentChanged(int)), | |
498 | this, SLOT(on_tab_changed(int))); | |
499 | ||
500 | ||
501 | connect(static_cast<QApplication *>(QCoreApplication::instance()), | |
502 | SIGNAL(focusChanged(QWidget*, QWidget*)), | |
503 | this, SLOT(on_focus_changed())); | |
504 | } | |
505 | ||
506 | void MainWindow::save_ui_settings() | |
507 | { | |
508 | QSettings settings; | |
509 | ||
510 | settings.beginGroup("MainWindow"); | |
511 | settings.setValue("state", saveState()); | |
512 | settings.setValue("geometry", saveGeometry()); | |
513 | settings.endGroup(); | |
514 | } | |
515 | ||
516 | void MainWindow::restore_ui_settings() | |
517 | { | |
518 | QSettings settings; | |
519 | ||
520 | settings.beginGroup("MainWindow"); | |
521 | ||
522 | if (settings.contains("geometry")) { | |
523 | restoreGeometry(settings.value("geometry").toByteArray()); | |
524 | restoreState(settings.value("state").toByteArray()); | |
525 | } else | |
526 | resize(1000, 720); | |
527 | ||
528 | settings.endGroup(); | |
529 | } | |
530 | ||
531 | shared_ptr<Session> MainWindow::get_tab_session(int index) const | |
532 | { | |
533 | // Find the session that belongs to the tab's main window | |
534 | for (auto entry : session_windows_) | |
535 | if (entry.second == session_selector_.widget(index)) | |
536 | return entry.first; | |
537 | ||
538 | return nullptr; | |
539 | } | |
540 | ||
541 | void MainWindow::closeEvent(QCloseEvent *event) | |
542 | { | |
543 | bool data_saved = true; | |
544 | ||
545 | for (auto entry : session_windows_) | |
546 | if (!entry.first->data_saved()) | |
547 | data_saved = false; | |
548 | ||
549 | if (!data_saved && (QMessageBox::question(this, tr("Confirmation"), | |
550 | tr("There is unsaved data. Close anyway?"), | |
551 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::No)) { | |
552 | event->ignore(); | |
553 | } else { | |
554 | save_ui_settings(); | |
555 | save_sessions(); | |
556 | event->accept(); | |
557 | } | |
558 | } | |
559 | ||
560 | QMenu* MainWindow::createPopupMenu() | |
561 | { | |
562 | return nullptr; | |
563 | } | |
564 | ||
565 | bool MainWindow::restoreState(const QByteArray &state, int version) | |
566 | { | |
567 | (void)state; | |
568 | (void)version; | |
569 | ||
570 | // Do nothing. We don't want Qt to handle this, or else it | |
571 | // will try to restore all the dock widgets and create havoc. | |
572 | ||
573 | return false; | |
574 | } | |
575 | ||
576 | void MainWindow::on_add_view(const QString &title, views::ViewType type, | |
577 | Session *session) | |
578 | { | |
579 | // We get a pointer and need a reference | |
580 | for (shared_ptr<Session> s : sessions_) | |
581 | if (s.get() == session) | |
582 | add_view(title, type, *s); | |
583 | } | |
584 | ||
585 | void MainWindow::on_focus_changed() | |
586 | { | |
587 | shared_ptr<views::ViewBase> view = get_active_view(); | |
588 | ||
589 | if (view) { | |
590 | for (shared_ptr<Session> session : sessions_) { | |
591 | if (session->has_view(view)) { | |
592 | if (session != last_focused_session_) { | |
593 | // Activate correct tab if necessary | |
594 | shared_ptr<Session> tab_session = get_tab_session( | |
595 | session_selector_.currentIndex()); | |
596 | if (tab_session != session) | |
597 | session_selector_.setCurrentWidget( | |
598 | session_windows_.at(session)); | |
599 | ||
600 | on_focused_session_changed(session); | |
601 | } | |
602 | ||
603 | break; | |
604 | } | |
605 | } | |
606 | } | |
607 | ||
608 | if (sessions_.empty()) | |
609 | setWindowTitle(WindowTitle); | |
610 | } | |
611 | ||
612 | void MainWindow::on_focused_session_changed(shared_ptr<Session> session) | |
613 | { | |
614 | last_focused_session_ = session; | |
615 | ||
616 | setWindowTitle(session->name() + " - " + WindowTitle); | |
617 | ||
618 | // Update the state of the run/stop button, too | |
619 | on_capture_state_changed(session.get()); | |
620 | } | |
621 | ||
622 | void MainWindow::on_new_session_clicked() | |
623 | { | |
624 | add_session(); | |
625 | } | |
626 | ||
627 | void MainWindow::on_run_stop_clicked() | |
628 | { | |
629 | shared_ptr<Session> session = last_focused_session_; | |
630 | ||
631 | if (!session) | |
632 | return; | |
633 | ||
634 | switch (session->get_capture_state()) { | |
635 | case Session::Stopped: | |
636 | session->start_capture([&](QString message) { | |
637 | show_session_error("Capture failed", message); }); | |
638 | break; | |
639 | case Session::AwaitingTrigger: | |
640 | case Session::Running: | |
641 | session->stop_capture(); | |
642 | break; | |
643 | } | |
644 | } | |
645 | ||
646 | void MainWindow::on_settings_clicked() | |
647 | { | |
648 | dialogs::Settings dlg(device_manager_); | |
649 | dlg.exec(); | |
650 | } | |
651 | ||
652 | void MainWindow::on_session_name_changed() | |
653 | { | |
654 | // Update the corresponding dock widget's name(s) | |
655 | Session *session = qobject_cast<Session*>(QObject::sender()); | |
656 | assert(session); | |
657 | ||
658 | for (shared_ptr<views::ViewBase> view : session->views()) { | |
659 | // Get the dock that contains the view | |
660 | for (auto entry : view_docks_) | |
661 | if (entry.second == view) { | |
662 | entry.first->setObjectName(session->name()); | |
663 | entry.first->setWindowTitle(session->name()); | |
664 | } | |
665 | } | |
666 | ||
667 | // Update the tab widget by finding the main window and the tab from that | |
668 | for (auto entry : session_windows_) | |
669 | if (entry.first.get() == session) { | |
670 | QMainWindow *window = entry.second; | |
671 | const int index = session_selector_.indexOf(window); | |
672 | session_selector_.setTabText(index, session->name()); | |
673 | } | |
674 | ||
675 | // Refresh window title if the affected session has focus | |
676 | if (session == last_focused_session_.get()) | |
677 | setWindowTitle(session->name() + " - " + WindowTitle); | |
678 | } | |
679 | ||
680 | void MainWindow::on_capture_state_changed(QObject *obj) | |
681 | { | |
682 | Session *caller = qobject_cast<Session*>(obj); | |
683 | ||
684 | // Ignore if caller is not the currently focused session | |
685 | // unless there is only one session | |
686 | if ((sessions_.size() > 1) && (caller != last_focused_session_.get())) | |
687 | return; | |
688 | ||
689 | int state = caller->get_capture_state(); | |
690 | ||
691 | const QIcon *icons[] = {&icon_grey_, &icon_red_, &icon_green_}; | |
692 | run_stop_button_->setIcon(*icons[state]); | |
693 | run_stop_button_->setText((state == pv::Session::Stopped) ? | |
694 | tr("Run") : tr("Stop")); | |
695 | } | |
696 | ||
697 | void MainWindow::on_new_view(Session *session) | |
698 | { | |
699 | // We get a pointer and need a reference | |
700 | for (shared_ptr<Session> s : sessions_) | |
701 | if (s.get() == session) | |
702 | add_view(session->name(), views::ViewTypeTrace, *s); | |
703 | } | |
704 | ||
705 | void MainWindow::on_view_close_clicked() | |
706 | { | |
707 | // Find the dock widget that contains the close button that was clicked | |
708 | QObject *w = QObject::sender(); | |
709 | QDockWidget *dock = nullptr; | |
710 | ||
711 | while (w) { | |
712 | dock = qobject_cast<QDockWidget*>(w); | |
713 | if (dock) | |
714 | break; | |
715 | w = w->parent(); | |
716 | } | |
717 | ||
718 | // Get the view contained in the dock widget | |
719 | shared_ptr<views::ViewBase> view; | |
720 | ||
721 | for (auto entry : view_docks_) | |
722 | if (entry.first == dock) | |
723 | view = entry.second; | |
724 | ||
725 | // Deregister the view | |
726 | for (shared_ptr<Session> session : sessions_) { | |
727 | if (!session->has_view(view)) | |
728 | continue; | |
729 | ||
730 | // Also destroy the entire session if its main view is closing... | |
731 | if (view == session->main_view()) { | |
732 | // ...but only if data is saved or the user confirms closing | |
733 | if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"), | |
734 | tr("This session contains unsaved data. Close it anyway?"), | |
735 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes)) | |
736 | remove_session(session); | |
737 | break; | |
738 | } else | |
739 | // All other views can be closed at any time as no data will be lost | |
740 | remove_view(view); | |
741 | } | |
742 | } | |
743 | ||
744 | void MainWindow::on_tab_changed(int index) | |
745 | { | |
746 | shared_ptr<Session> session = get_tab_session(index); | |
747 | ||
748 | if (session) | |
749 | on_focused_session_changed(session); | |
750 | } | |
751 | ||
752 | void MainWindow::on_tab_close_requested(int index) | |
753 | { | |
754 | shared_ptr<Session> session = get_tab_session(index); | |
755 | ||
756 | if (!session) | |
757 | return; | |
758 | ||
759 | if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"), | |
760 | tr("This session contains unsaved data. Close it anyway?"), | |
761 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes)) | |
762 | remove_session(session); | |
763 | } | |
764 | ||
765 | void MainWindow::on_view_colored_bg_shortcut() | |
766 | { | |
767 | GlobalSettings settings; | |
768 | ||
769 | bool state = settings.value(GlobalSettings::Key_View_ColoredBG).toBool(); | |
770 | settings.setValue(GlobalSettings::Key_View_ColoredBG, !state); | |
771 | } | |
772 | ||
773 | void MainWindow::on_view_sticky_scrolling_shortcut() | |
774 | { | |
775 | GlobalSettings settings; | |
776 | ||
777 | bool state = settings.value(GlobalSettings::Key_View_StickyScrolling).toBool(); | |
778 | settings.setValue(GlobalSettings::Key_View_StickyScrolling, !state); | |
779 | } | |
780 | ||
781 | void MainWindow::on_view_show_sampling_points_shortcut() | |
782 | { | |
783 | GlobalSettings settings; | |
784 | ||
785 | bool state = settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool(); | |
786 | settings.setValue(GlobalSettings::Key_View_ShowSamplingPoints, !state); | |
787 | } | |
788 | ||
789 | void MainWindow::on_view_show_analog_minor_grid_shortcut() | |
790 | { | |
791 | GlobalSettings settings; | |
792 | ||
793 | bool state = settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool(); | |
794 | settings.setValue(GlobalSettings::Key_View_ShowAnalogMinorGrid, !state); | |
795 | } | |
796 | ||
797 | void MainWindow::on_settingViewColoredBg_changed(const QVariant new_value) | |
798 | { | |
799 | bool state = new_value.toBool(); | |
800 | ||
801 | for (auto entry : view_docks_) { | |
802 | shared_ptr<views::ViewBase> viewbase = entry.second; | |
803 | ||
804 | // Only trace views have this setting | |
805 | views::trace::View* view = | |
806 | qobject_cast<views::trace::View*>(viewbase.get()); | |
807 | if (view) | |
808 | view->enable_colored_bg(state); | |
809 | } | |
810 | } | |
811 | ||
812 | void MainWindow::on_settingViewShowSamplingPoints_changed(const QVariant new_value) | |
813 | { | |
814 | bool state = new_value.toBool(); | |
815 | ||
816 | for (auto entry : view_docks_) { | |
817 | shared_ptr<views::ViewBase> viewbase = entry.second; | |
818 | ||
819 | // Only trace views have this setting | |
820 | views::trace::View* view = | |
821 | qobject_cast<views::trace::View*>(viewbase.get()); | |
822 | if (view) | |
823 | view->enable_show_sampling_points(state); | |
824 | } | |
825 | } | |
826 | ||
827 | void MainWindow::on_settingViewShowAnalogMinorGrid_changed(const QVariant new_value) | |
828 | { | |
829 | bool state = new_value.toBool(); | |
830 | ||
831 | for (auto entry : view_docks_) { | |
832 | shared_ptr<views::ViewBase> viewbase = entry.second; | |
833 | ||
834 | // Only trace views have this setting | |
835 | views::trace::View* view = | |
836 | qobject_cast<views::trace::View*>(viewbase.get()); | |
837 | if (view) | |
838 | view->enable_show_analog_minor_grid(state); | |
839 | } | |
840 | } | |
841 | ||
842 | void MainWindow::on_close_current_tab() | |
843 | { | |
844 | int tab = session_selector_.currentIndex(); | |
845 | ||
846 | on_tab_close_requested(tab); | |
847 | } | |
848 | ||
849 | } // namespace pv |