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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 "views/trace/view.hpp" | |
49 | #include "views/trace/standardbar.hpp" | |
50 | ||
51 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
52 | ||
53 | using std::dynamic_pointer_cast; | |
54 | using std::make_shared; | |
55 | using std::shared_ptr; | |
56 | using std::string; | |
57 | ||
58 | namespace pv { | |
59 | ||
60 | namespace view { | |
61 | class ViewItem; | |
62 | } | |
63 | ||
64 | using toolbars::MainBar; | |
65 | ||
66 | const QString MainWindow::WindowTitle = tr("PulseView"); | |
67 | ||
68 | MainWindow::MainWindow(DeviceManager &device_manager, QWidget *parent) : | |
69 | QMainWindow(parent), | |
70 | device_manager_(device_manager), | |
71 | session_selector_(this), | |
72 | session_state_mapper_(this), | |
73 | icon_red_(":/icons/status-red.svg"), | |
74 | icon_green_(":/icons/status-green.svg"), | |
75 | icon_grey_(":/icons/status-grey.svg") | |
76 | { | |
77 | qRegisterMetaType<util::Timestamp>("util::Timestamp"); | |
78 | qRegisterMetaType<uint64_t>("uint64_t"); | |
79 | ||
80 | GlobalSettings::add_change_handler(this); | |
81 | ||
82 | GlobalSettings settings; | |
83 | settings.set_defaults_where_needed(); | |
84 | ||
85 | setup_ui(); | |
86 | restore_ui_settings(); | |
87 | } | |
88 | ||
89 | MainWindow::~MainWindow() | |
90 | { | |
91 | GlobalSettings::remove_change_handler(this); | |
92 | ||
93 | while (!sessions_.empty()) | |
94 | remove_session(sessions_.front()); | |
95 | } | |
96 | ||
97 | shared_ptr<views::ViewBase> MainWindow::get_active_view() const | |
98 | { | |
99 | // If there's only one view, use it... | |
100 | if (view_docks_.size() == 1) | |
101 | return view_docks_.begin()->second; | |
102 | ||
103 | // ...otherwise find the dock widget the widget with focus is contained in | |
104 | QObject *w = QApplication::focusWidget(); | |
105 | QDockWidget *dock = nullptr; | |
106 | ||
107 | while (w) { | |
108 | dock = qobject_cast<QDockWidget*>(w); | |
109 | if (dock) | |
110 | break; | |
111 | w = w->parent(); | |
112 | } | |
113 | ||
114 | // Get the view contained in the dock widget | |
115 | for (auto entry : view_docks_) | |
116 | if (entry.first == dock) | |
117 | return entry.second; | |
118 | ||
119 | return nullptr; | |
120 | } | |
121 | ||
122 | shared_ptr<views::ViewBase> MainWindow::add_view(const QString &title, | |
123 | views::ViewType type, Session &session) | |
124 | { | |
125 | GlobalSettings settings; | |
126 | shared_ptr<views::ViewBase> v; | |
127 | ||
128 | QMainWindow *main_window = nullptr; | |
129 | for (auto entry : session_windows_) | |
130 | if (entry.first.get() == &session) | |
131 | main_window = entry.second; | |
132 | ||
133 | assert(main_window); | |
134 | ||
135 | shared_ptr<MainBar> main_bar = session.main_bar(); | |
136 | ||
137 | QDockWidget* dock = new QDockWidget(title, main_window); | |
138 | dock->setObjectName(title); | |
139 | main_window->addDockWidget(Qt::TopDockWidgetArea, dock); | |
140 | ||
141 | // Insert a QMainWindow into the dock widget to allow for a tool bar | |
142 | QMainWindow *dock_main = new QMainWindow(dock); | |
143 | dock_main->setWindowFlags(Qt::Widget); // Remove Qt::Window flag | |
144 | ||
145 | if (type == views::ViewTypeTrace) | |
146 | // This view will be the main view if there's no main bar yet | |
147 | v = make_shared<views::trace::View>(session, | |
148 | (main_bar ? false : true), dock_main); | |
149 | ||
150 | if (!v) | |
151 | return nullptr; | |
152 | ||
153 | view_docks_[dock] = v; | |
154 | session.register_view(v); | |
155 | ||
156 | dock_main->setCentralWidget(v.get()); | |
157 | dock->setWidget(dock_main); | |
158 | ||
159 | dock->setContextMenuPolicy(Qt::PreventContextMenu); | |
160 | dock->setFeatures(QDockWidget::DockWidgetMovable | | |
161 | QDockWidget::DockWidgetFloatable | QDockWidget::DockWidgetClosable); | |
162 | ||
163 | QAbstractButton *close_btn = | |
164 | dock->findChildren<QAbstractButton*> | |
165 | ("qt_dockwidget_closebutton").front(); | |
166 | ||
167 | connect(close_btn, SIGNAL(clicked(bool)), | |
168 | this, SLOT(on_view_close_clicked())); | |
169 | ||
170 | connect(&session, SIGNAL(trigger_event(int, util::Timestamp)), | |
171 | qobject_cast<views::ViewBase*>(v.get()), | |
172 | SLOT(trigger_event(int, util::Timestamp))); | |
173 | ||
174 | if (type == views::ViewTypeTrace) { | |
175 | views::trace::View *tv = | |
176 | qobject_cast<views::trace::View*>(v.get()); | |
177 | ||
178 | tv->enable_coloured_bg(settings.value(GlobalSettings::Key_View_ColouredBG).toBool()); | |
179 | tv->enable_show_sampling_points(settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool()); | |
180 | tv->enable_show_analog_minor_grid(settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool()); | |
181 | ||
182 | if (!main_bar) { | |
183 | /* Initial view, create the main bar */ | |
184 | main_bar = make_shared<MainBar>(session, this, tv); | |
185 | dock_main->addToolBar(main_bar.get()); | |
186 | session.set_main_bar(main_bar); | |
187 | ||
188 | connect(main_bar.get(), SIGNAL(new_view(Session*)), | |
189 | this, SLOT(on_new_view(Session*))); | |
190 | ||
191 | main_bar->action_view_show_cursors()->setChecked(tv->cursors_shown()); | |
192 | ||
193 | /* For the main view we need to prevent the dock widget from | |
194 | * closing itself when its close button is clicked. This is | |
195 | * so we can confirm with the user first. Regular views don't | |
196 | * need this */ | |
197 | close_btn->disconnect(SIGNAL(clicked()), dock, SLOT(close())); | |
198 | } else { | |
199 | /* Additional view, create a standard bar */ | |
200 | pv::views::trace::StandardBar *standard_bar = | |
201 | new pv::views::trace::StandardBar(session, this, tv); | |
202 | dock_main->addToolBar(standard_bar); | |
203 | ||
204 | standard_bar->action_view_show_cursors()->setChecked(tv->cursors_shown()); | |
205 | } | |
206 | } | |
207 | ||
208 | return v; | |
209 | } | |
210 | ||
211 | void MainWindow::remove_view(shared_ptr<views::ViewBase> view) | |
212 | { | |
213 | for (shared_ptr<Session> session : sessions_) { | |
214 | if (!session->has_view(view)) | |
215 | continue; | |
216 | ||
217 | // Find the dock the view is contained in and remove it | |
218 | for (auto entry : view_docks_) | |
219 | if (entry.second == view) { | |
220 | // Remove the view from the session | |
221 | session->deregister_view(view); | |
222 | ||
223 | // Remove the view from its parent; otherwise, Qt will | |
224 | // call deleteLater() on it, which causes a double free | |
225 | // since the shared_ptr in view_docks_ doesn't know | |
226 | // that Qt keeps a pointer to the view around | |
227 | view->setParent(nullptr); | |
228 | ||
229 | // Delete the view's dock widget and all widgets inside it | |
230 | entry.first->deleteLater(); | |
231 | ||
232 | // Remove the dock widget from the list and stop iterating | |
233 | view_docks_.erase(entry.first); | |
234 | break; | |
235 | } | |
236 | } | |
237 | } | |
238 | ||
239 | shared_ptr<Session> MainWindow::add_session() | |
240 | { | |
241 | static int last_session_id = 1; | |
242 | QString name = tr("Session %1").arg(last_session_id++); | |
243 | ||
244 | shared_ptr<Session> session = make_shared<Session>(device_manager_, name); | |
245 | ||
246 | connect(session.get(), SIGNAL(add_view(const QString&, views::ViewType, Session*)), | |
247 | this, SLOT(on_add_view(const QString&, views::ViewType, Session*))); | |
248 | connect(session.get(), SIGNAL(name_changed()), | |
249 | this, SLOT(on_session_name_changed())); | |
250 | session_state_mapper_.setMapping(session.get(), session.get()); | |
251 | connect(session.get(), SIGNAL(capture_state_changed(int)), | |
252 | &session_state_mapper_, SLOT(map())); | |
253 | ||
254 | sessions_.push_back(session); | |
255 | ||
256 | QMainWindow *window = new QMainWindow(); | |
257 | window->setWindowFlags(Qt::Widget); // Remove Qt::Window flag | |
258 | session_windows_[session] = window; | |
259 | ||
260 | int index = session_selector_.addTab(window, name); | |
261 | session_selector_.setCurrentIndex(index); | |
262 | last_focused_session_ = session; | |
263 | ||
264 | window->setDockNestingEnabled(true); | |
265 | ||
266 | shared_ptr<views::ViewBase> main_view = | |
267 | add_view(name, views::ViewTypeTrace, *session); | |
268 | ||
269 | return session; | |
270 | } | |
271 | ||
272 | void MainWindow::remove_session(shared_ptr<Session> session) | |
273 | { | |
274 | // Determine the height of the button before it collapses | |
275 | int h = new_session_button_->height(); | |
276 | ||
277 | // Stop capture while the session still exists so that the UI can be | |
278 | // updated in case we're currently running. If so, this will schedule a | |
279 | // call to our on_capture_state_changed() slot for the next run of the | |
280 | // event loop. We need to have this executed immediately or else it will | |
281 | // be dismissed since the session object will be deleted by the time we | |
282 | // leave this method and the event loop gets a chance to run again. | |
283 | session->stop_capture(); | |
284 | QApplication::processEvents(); | |
285 | ||
286 | for (shared_ptr<views::ViewBase> view : session->views()) | |
287 | remove_view(view); | |
288 | ||
289 | QMainWindow *window = session_windows_.at(session); | |
290 | session_selector_.removeTab(session_selector_.indexOf(window)); | |
291 | ||
292 | session_windows_.erase(session); | |
293 | ||
294 | if (last_focused_session_ == session) | |
295 | last_focused_session_.reset(); | |
296 | ||
297 | // Remove the session from our list of sessions (which also destroys it) | |
298 | sessions_.remove_if([&](shared_ptr<Session> s) { | |
299 | return s == session; }); | |
300 | ||
301 | if (sessions_.empty()) { | |
302 | // When there are no more tabs, the height of the QTabWidget | |
303 | // drops to zero. We must prevent this to keep the static | |
304 | // widgets visible | |
305 | for (QWidget *w : static_tab_widget_->findChildren<QWidget*>()) | |
306 | w->setMinimumHeight(h); | |
307 | ||
308 | int margin = static_tab_widget_->layout()->contentsMargins().bottom(); | |
309 | static_tab_widget_->setMinimumHeight(h + 2 * margin); | |
310 | session_selector_.setMinimumHeight(h + 2 * margin); | |
311 | ||
312 | // Update the window title if there is no view left to | |
313 | // generate focus change events | |
314 | setWindowTitle(WindowTitle); | |
315 | } | |
316 | } | |
317 | ||
318 | void MainWindow::add_session_with_file(string open_file_name, | |
319 | string open_file_format) | |
320 | { | |
321 | shared_ptr<Session> session = add_session(); | |
322 | session->load_init_file(open_file_name, open_file_format); | |
323 | } | |
324 | ||
325 | void MainWindow::add_default_session() | |
326 | { | |
327 | // Only add the default session if there would be no session otherwise | |
328 | if (sessions_.size() > 0) | |
329 | return; | |
330 | ||
331 | shared_ptr<Session> session = add_session(); | |
332 | ||
333 | // Check the list of available devices. Prefer the one that was | |
334 | // found with user supplied scan specs (if applicable). Then try | |
335 | // one of the auto detected devices that are not the demo device. | |
336 | // Pick demo in the absence of "genuine" hardware devices. | |
337 | shared_ptr<devices::HardwareDevice> user_device, other_device, demo_device; | |
338 | for (shared_ptr<devices::HardwareDevice> dev : device_manager_.devices()) { | |
339 | if (dev == device_manager_.user_spec_device()) { | |
340 | user_device = dev; | |
341 | } else if (dev->hardware_device()->driver()->name() == "demo") { | |
342 | demo_device = dev; | |
343 | } else { | |
344 | other_device = dev; | |
345 | } | |
346 | } | |
347 | if (user_device) | |
348 | session->select_device(user_device); | |
349 | else if (other_device) | |
350 | session->select_device(other_device); | |
351 | else | |
352 | session->select_device(demo_device); | |
353 | } | |
354 | ||
355 | void MainWindow::save_sessions() | |
356 | { | |
357 | QSettings settings; | |
358 | int id = 0; | |
359 | ||
360 | for (shared_ptr<Session> session : sessions_) { | |
361 | // Ignore sessions using the demo device or no device at all | |
362 | if (session->device()) { | |
363 | shared_ptr<devices::HardwareDevice> device = | |
364 | dynamic_pointer_cast< devices::HardwareDevice > | |
365 | (session->device()); | |
366 | ||
367 | if (device && | |
368 | device->hardware_device()->driver()->name() == "demo") | |
369 | continue; | |
370 | ||
371 | settings.beginGroup("Session" + QString::number(id++)); | |
372 | settings.remove(""); // Remove all keys in this group | |
373 | session->save_settings(settings); | |
374 | settings.endGroup(); | |
375 | } | |
376 | } | |
377 | ||
378 | settings.setValue("sessions", id); | |
379 | } | |
380 | ||
381 | void MainWindow::restore_sessions() | |
382 | { | |
383 | QSettings settings; | |
384 | int i, session_count; | |
385 | ||
386 | session_count = settings.value("sessions", 0).toInt(); | |
387 | ||
388 | for (i = 0; i < session_count; i++) { | |
389 | settings.beginGroup("Session" + QString::number(i)); | |
390 | shared_ptr<Session> session = add_session(); | |
391 | session->restore_settings(settings); | |
392 | settings.endGroup(); | |
393 | } | |
394 | } | |
395 | ||
396 | void MainWindow::on_setting_changed(const QString &key, const QVariant &value) | |
397 | { | |
398 | if (key == GlobalSettings::Key_View_ColouredBG) | |
399 | on_settingViewColouredBg_changed(value); | |
400 | ||
401 | if (key == GlobalSettings::Key_View_ShowSamplingPoints) | |
402 | on_settingViewShowSamplingPoints_changed(value); | |
403 | ||
404 | if (key == GlobalSettings::Key_View_ShowAnalogMinorGrid) | |
405 | on_settingViewShowAnalogMinorGrid_changed(value); | |
406 | } | |
407 | ||
408 | void MainWindow::setup_ui() | |
409 | { | |
410 | setObjectName(QString::fromUtf8("MainWindow")); | |
411 | ||
412 | setCentralWidget(&session_selector_); | |
413 | ||
414 | // Set the window icon | |
415 | QIcon icon; | |
416 | icon.addFile(QString(":/icons/pulseview.png")); | |
417 | setWindowIcon(icon); | |
418 | ||
419 | view_sticky_scrolling_shortcut_ = new QShortcut(QKeySequence(Qt::Key_S), this, SLOT(on_view_sticky_scrolling_shortcut())); | |
420 | view_sticky_scrolling_shortcut_->setAutoRepeat(false); | |
421 | ||
422 | view_show_sampling_points_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Period), this, SLOT(on_view_show_sampling_points_shortcut())); | |
423 | view_show_sampling_points_shortcut_->setAutoRepeat(false); | |
424 | ||
425 | view_show_analog_minor_grid_shortcut_ = new QShortcut(QKeySequence(Qt::Key_G), this, SLOT(on_view_show_analog_minor_grid_shortcut())); | |
426 | view_show_analog_minor_grid_shortcut_->setAutoRepeat(false); | |
427 | ||
428 | view_coloured_bg_shortcut_ = new QShortcut(QKeySequence(Qt::Key_B), this, SLOT(on_view_coloured_bg_shortcut())); | |
429 | view_coloured_bg_shortcut_->setAutoRepeat(false); | |
430 | ||
431 | // Set up the tab area | |
432 | new_session_button_ = new QToolButton(); | |
433 | new_session_button_->setIcon(QIcon::fromTheme("document-new", | |
434 | QIcon(":/icons/document-new.png"))); | |
435 | new_session_button_->setToolTip(tr("Create New Session")); | |
436 | new_session_button_->setAutoRaise(true); | |
437 | ||
438 | run_stop_button_ = new QToolButton(); | |
439 | run_stop_button_->setAutoRaise(true); | |
440 | run_stop_button_->setToolButtonStyle(Qt::ToolButtonTextBesideIcon); | |
441 | run_stop_button_->setToolTip(tr("Start/Stop Acquisition")); | |
442 | ||
443 | run_stop_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Space), run_stop_button_, SLOT(click())); | |
444 | run_stop_shortcut_->setAutoRepeat(false); | |
445 | ||
446 | settings_button_ = new QToolButton(); | |
447 | settings_button_->setIcon(QIcon::fromTheme("preferences-system", | |
448 | QIcon(":/icons/preferences-system.png"))); | |
449 | settings_button_->setToolTip(tr("Settings")); | |
450 | settings_button_->setAutoRaise(true); | |
451 | ||
452 | QFrame *separator1 = new QFrame(); | |
453 | separator1->setFrameStyle(QFrame::VLine | QFrame::Raised); | |
454 | QFrame *separator2 = new QFrame(); | |
455 | separator2->setFrameStyle(QFrame::VLine | QFrame::Raised); | |
456 | ||
457 | QHBoxLayout* layout = new QHBoxLayout(); | |
458 | layout->setContentsMargins(2, 2, 2, 2); | |
459 | layout->addWidget(new_session_button_); | |
460 | layout->addWidget(separator1); | |
461 | layout->addWidget(run_stop_button_); | |
462 | layout->addWidget(separator2); | |
463 | layout->addWidget(settings_button_); | |
464 | ||
465 | static_tab_widget_ = new QWidget(); | |
466 | static_tab_widget_->setLayout(layout); | |
467 | ||
468 | session_selector_.setCornerWidget(static_tab_widget_, Qt::TopLeftCorner); | |
469 | session_selector_.setTabsClosable(true); | |
470 | ||
471 | close_application_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q), this, SLOT(close())); | |
472 | close_application_shortcut_->setAutoRepeat(false); | |
473 | ||
474 | close_current_tab_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_W), this, SLOT(on_close_current_tab())); | |
475 | ||
476 | connect(new_session_button_, SIGNAL(clicked(bool)), | |
477 | this, SLOT(on_new_session_clicked())); | |
478 | connect(run_stop_button_, SIGNAL(clicked(bool)), | |
479 | this, SLOT(on_run_stop_clicked())); | |
480 | connect(&session_state_mapper_, SIGNAL(mapped(QObject*)), | |
481 | this, SLOT(on_capture_state_changed(QObject*))); | |
482 | connect(settings_button_, SIGNAL(clicked(bool)), | |
483 | this, SLOT(on_settings_clicked())); | |
484 | ||
485 | connect(&session_selector_, SIGNAL(tabCloseRequested(int)), | |
486 | this, SLOT(on_tab_close_requested(int))); | |
487 | connect(&session_selector_, SIGNAL(currentChanged(int)), | |
488 | this, SLOT(on_tab_changed(int))); | |
489 | ||
490 | ||
491 | connect(static_cast<QApplication *>(QCoreApplication::instance()), | |
492 | SIGNAL(focusChanged(QWidget*, QWidget*)), | |
493 | this, SLOT(on_focus_changed())); | |
494 | } | |
495 | ||
496 | void MainWindow::save_ui_settings() | |
497 | { | |
498 | QSettings settings; | |
499 | ||
500 | settings.beginGroup("MainWindow"); | |
501 | settings.setValue("state", saveState()); | |
502 | settings.setValue("geometry", saveGeometry()); | |
503 | settings.endGroup(); | |
504 | } | |
505 | ||
506 | void MainWindow::restore_ui_settings() | |
507 | { | |
508 | QSettings settings; | |
509 | ||
510 | settings.beginGroup("MainWindow"); | |
511 | ||
512 | if (settings.contains("geometry")) { | |
513 | restoreGeometry(settings.value("geometry").toByteArray()); | |
514 | restoreState(settings.value("state").toByteArray()); | |
515 | } else | |
516 | resize(1000, 720); | |
517 | ||
518 | settings.endGroup(); | |
519 | } | |
520 | ||
521 | shared_ptr<Session> MainWindow::get_tab_session(int index) const | |
522 | { | |
523 | // Find the session that belongs to the tab's main window | |
524 | for (auto entry : session_windows_) | |
525 | if (entry.second == session_selector_.widget(index)) | |
526 | return entry.first; | |
527 | ||
528 | return nullptr; | |
529 | } | |
530 | ||
531 | void MainWindow::closeEvent(QCloseEvent *event) | |
532 | { | |
533 | bool data_saved = true; | |
534 | ||
535 | for (auto entry : session_windows_) | |
536 | if (!entry.first->data_saved()) | |
537 | data_saved = false; | |
538 | ||
539 | if (!data_saved && (QMessageBox::question(this, tr("Confirmation"), | |
540 | tr("There is unsaved data. Close anyway?"), | |
541 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::No)) { | |
542 | event->ignore(); | |
543 | } else { | |
544 | save_ui_settings(); | |
545 | save_sessions(); | |
546 | event->accept(); | |
547 | } | |
548 | } | |
549 | ||
550 | QMenu* MainWindow::createPopupMenu() | |
551 | { | |
552 | return nullptr; | |
553 | } | |
554 | ||
555 | bool MainWindow::restoreState(const QByteArray &state, int version) | |
556 | { | |
557 | (void)state; | |
558 | (void)version; | |
559 | ||
560 | // Do nothing. We don't want Qt to handle this, or else it | |
561 | // will try to restore all the dock widgets and create havoc. | |
562 | ||
563 | return false; | |
564 | } | |
565 | ||
566 | void MainWindow::session_error(const QString text, const QString info_text) | |
567 | { | |
568 | QMetaObject::invokeMethod(this, "show_session_error", | |
569 | Qt::QueuedConnection, Q_ARG(QString, text), | |
570 | Q_ARG(QString, info_text)); | |
571 | } | |
572 | ||
573 | void MainWindow::show_session_error(const QString text, const QString info_text) | |
574 | { | |
575 | QMessageBox msg(this); | |
576 | msg.setText(text); | |
577 | msg.setInformativeText(info_text); | |
578 | msg.setStandardButtons(QMessageBox::Ok); | |
579 | msg.setIcon(QMessageBox::Warning); | |
580 | msg.exec(); | |
581 | } | |
582 | ||
583 | void MainWindow::on_add_view(const QString &title, views::ViewType type, | |
584 | Session *session) | |
585 | { | |
586 | // We get a pointer and need a reference | |
587 | for (shared_ptr<Session> s : sessions_) | |
588 | if (s.get() == session) | |
589 | add_view(title, type, *s); | |
590 | } | |
591 | ||
592 | void MainWindow::on_focus_changed() | |
593 | { | |
594 | shared_ptr<views::ViewBase> view = get_active_view(); | |
595 | ||
596 | if (view) { | |
597 | for (shared_ptr<Session> session : sessions_) { | |
598 | if (session->has_view(view)) { | |
599 | if (session != last_focused_session_) { | |
600 | // Activate correct tab if necessary | |
601 | shared_ptr<Session> tab_session = get_tab_session( | |
602 | session_selector_.currentIndex()); | |
603 | if (tab_session != session) | |
604 | session_selector_.setCurrentWidget( | |
605 | session_windows_.at(session)); | |
606 | ||
607 | on_focused_session_changed(session); | |
608 | } | |
609 | ||
610 | break; | |
611 | } | |
612 | } | |
613 | } | |
614 | ||
615 | if (sessions_.empty()) | |
616 | setWindowTitle(WindowTitle); | |
617 | } | |
618 | ||
619 | void MainWindow::on_focused_session_changed(shared_ptr<Session> session) | |
620 | { | |
621 | last_focused_session_ = session; | |
622 | ||
623 | setWindowTitle(session->name() + " - " + WindowTitle); | |
624 | ||
625 | // Update the state of the run/stop button, too | |
626 | on_capture_state_changed(session.get()); | |
627 | } | |
628 | ||
629 | void MainWindow::on_new_session_clicked() | |
630 | { | |
631 | add_session(); | |
632 | } | |
633 | ||
634 | void MainWindow::on_run_stop_clicked() | |
635 | { | |
636 | shared_ptr<Session> session = last_focused_session_; | |
637 | ||
638 | if (!session) | |
639 | return; | |
640 | ||
641 | switch (session->get_capture_state()) { | |
642 | case Session::Stopped: | |
643 | session->start_capture([&](QString message) { | |
644 | session_error("Capture failed", message); }); | |
645 | break; | |
646 | case Session::AwaitingTrigger: | |
647 | case Session::Running: | |
648 | session->stop_capture(); | |
649 | break; | |
650 | } | |
651 | } | |
652 | ||
653 | void MainWindow::on_settings_clicked() | |
654 | { | |
655 | dialogs::Settings dlg(device_manager_); | |
656 | dlg.exec(); | |
657 | } | |
658 | ||
659 | void MainWindow::on_session_name_changed() | |
660 | { | |
661 | // Update the corresponding dock widget's name(s) | |
662 | Session *session = qobject_cast<Session*>(QObject::sender()); | |
663 | assert(session); | |
664 | ||
665 | for (shared_ptr<views::ViewBase> view : session->views()) { | |
666 | // Get the dock that contains the view | |
667 | for (auto entry : view_docks_) | |
668 | if (entry.second == view) { | |
669 | entry.first->setObjectName(session->name()); | |
670 | entry.first->setWindowTitle(session->name()); | |
671 | } | |
672 | } | |
673 | ||
674 | // Update the tab widget by finding the main window and the tab from that | |
675 | for (auto entry : session_windows_) | |
676 | if (entry.first.get() == session) { | |
677 | QMainWindow *window = entry.second; | |
678 | const int index = session_selector_.indexOf(window); | |
679 | session_selector_.setTabText(index, session->name()); | |
680 | } | |
681 | ||
682 | // Refresh window title if the affected session has focus | |
683 | if (session == last_focused_session_.get()) | |
684 | setWindowTitle(session->name() + " - " + WindowTitle); | |
685 | } | |
686 | ||
687 | void MainWindow::on_capture_state_changed(QObject *obj) | |
688 | { | |
689 | Session *caller = qobject_cast<Session*>(obj); | |
690 | ||
691 | // Ignore if caller is not the currently focused session | |
692 | // unless there is only one session | |
693 | if ((sessions_.size() > 1) && (caller != last_focused_session_.get())) | |
694 | return; | |
695 | ||
696 | int state = caller->get_capture_state(); | |
697 | ||
698 | const QIcon *icons[] = {&icon_grey_, &icon_red_, &icon_green_}; | |
699 | run_stop_button_->setIcon(*icons[state]); | |
700 | run_stop_button_->setText((state == pv::Session::Stopped) ? | |
701 | tr("Run") : tr("Stop")); | |
702 | } | |
703 | ||
704 | void MainWindow::on_new_view(Session *session) | |
705 | { | |
706 | // We get a pointer and need a reference | |
707 | for (shared_ptr<Session> s : sessions_) | |
708 | if (s.get() == session) | |
709 | add_view(session->name(), views::ViewTypeTrace, *s); | |
710 | } | |
711 | ||
712 | void MainWindow::on_view_close_clicked() | |
713 | { | |
714 | // Find the dock widget that contains the close button that was clicked | |
715 | QObject *w = QObject::sender(); | |
716 | QDockWidget *dock = nullptr; | |
717 | ||
718 | while (w) { | |
719 | dock = qobject_cast<QDockWidget*>(w); | |
720 | if (dock) | |
721 | break; | |
722 | w = w->parent(); | |
723 | } | |
724 | ||
725 | // Get the view contained in the dock widget | |
726 | shared_ptr<views::ViewBase> view; | |
727 | ||
728 | for (auto entry : view_docks_) | |
729 | if (entry.first == dock) | |
730 | view = entry.second; | |
731 | ||
732 | // Deregister the view | |
733 | for (shared_ptr<Session> session : sessions_) { | |
734 | if (!session->has_view(view)) | |
735 | continue; | |
736 | ||
737 | // Also destroy the entire session if its main view is closing... | |
738 | if (view == session->main_view()) { | |
739 | // ...but only if data is saved or the user confirms closing | |
740 | if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"), | |
741 | tr("This session contains unsaved data. Close it anyway?"), | |
742 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes)) | |
743 | remove_session(session); | |
744 | break; | |
745 | } else | |
746 | // All other views can be closed at any time as no data will be lost | |
747 | remove_view(view); | |
748 | } | |
749 | } | |
750 | ||
751 | void MainWindow::on_tab_changed(int index) | |
752 | { | |
753 | shared_ptr<Session> session = get_tab_session(index); | |
754 | ||
755 | if (session) | |
756 | on_focused_session_changed(session); | |
757 | } | |
758 | ||
759 | void MainWindow::on_tab_close_requested(int index) | |
760 | { | |
761 | shared_ptr<Session> session = get_tab_session(index); | |
762 | ||
763 | if (!session) | |
764 | return; | |
765 | ||
766 | if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"), | |
767 | tr("This session contains unsaved data. Close it anyway?"), | |
768 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes)) | |
769 | remove_session(session); | |
770 | } | |
771 | ||
772 | void MainWindow::on_view_coloured_bg_shortcut() | |
773 | { | |
774 | GlobalSettings settings; | |
775 | ||
776 | bool state = settings.value(GlobalSettings::Key_View_ColouredBG).toBool(); | |
777 | settings.setValue(GlobalSettings::Key_View_ColouredBG, !state); | |
778 | } | |
779 | ||
780 | void MainWindow::on_view_sticky_scrolling_shortcut() | |
781 | { | |
782 | GlobalSettings settings; | |
783 | ||
784 | bool state = settings.value(GlobalSettings::Key_View_StickyScrolling).toBool(); | |
785 | settings.setValue(GlobalSettings::Key_View_StickyScrolling, !state); | |
786 | } | |
787 | ||
788 | void MainWindow::on_view_show_sampling_points_shortcut() | |
789 | { | |
790 | GlobalSettings settings; | |
791 | ||
792 | bool state = settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool(); | |
793 | settings.setValue(GlobalSettings::Key_View_ShowSamplingPoints, !state); | |
794 | } | |
795 | ||
796 | void MainWindow::on_view_show_analog_minor_grid_shortcut() | |
797 | { | |
798 | GlobalSettings settings; | |
799 | ||
800 | bool state = settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool(); | |
801 | settings.setValue(GlobalSettings::Key_View_ShowAnalogMinorGrid, !state); | |
802 | } | |
803 | ||
804 | void MainWindow::on_settingViewColouredBg_changed(const QVariant new_value) | |
805 | { | |
806 | bool state = new_value.toBool(); | |
807 | ||
808 | for (auto entry : view_docks_) { | |
809 | shared_ptr<views::ViewBase> viewbase = entry.second; | |
810 | ||
811 | // Only trace views have this setting | |
812 | views::trace::View* view = | |
813 | qobject_cast<views::trace::View*>(viewbase.get()); | |
814 | if (view) | |
815 | view->enable_coloured_bg(state); | |
816 | } | |
817 | } | |
818 | ||
819 | void MainWindow::on_settingViewShowSamplingPoints_changed(const QVariant new_value) | |
820 | { | |
821 | bool state = new_value.toBool(); | |
822 | ||
823 | for (auto entry : view_docks_) { | |
824 | shared_ptr<views::ViewBase> viewbase = entry.second; | |
825 | ||
826 | // Only trace views have this setting | |
827 | views::trace::View* view = | |
828 | qobject_cast<views::trace::View*>(viewbase.get()); | |
829 | if (view) | |
830 | view->enable_show_sampling_points(state); | |
831 | } | |
832 | } | |
833 | ||
834 | void MainWindow::on_settingViewShowAnalogMinorGrid_changed(const QVariant new_value) | |
835 | { | |
836 | bool state = new_value.toBool(); | |
837 | ||
838 | for (auto entry : view_docks_) { | |
839 | shared_ptr<views::ViewBase> viewbase = entry.second; | |
840 | ||
841 | // Only trace views have this setting | |
842 | views::trace::View* view = | |
843 | qobject_cast<views::trace::View*>(viewbase.get()); | |
844 | if (view) | |
845 | view->enable_show_analog_minor_grid(state); | |
846 | } | |
847 | } | |
848 | ||
849 | void MainWindow::on_close_current_tab() | |
850 | { | |
851 | int tab = session_selector_.currentIndex(); | |
852 | ||
853 | on_tab_close_requested(tab); | |
854 | } | |
855 | ||
856 | } // namespace pv |