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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::bind; | |
54 | using std::dynamic_pointer_cast; | |
55 | using std::make_shared; | |
56 | using std::placeholders::_1; | |
57 | using std::shared_ptr; | |
58 | using std::string; | |
59 | ||
60 | namespace pv { | |
61 | ||
62 | namespace view { | |
63 | class ViewItem; | |
64 | } | |
65 | ||
66 | using toolbars::MainBar; | |
67 | ||
68 | const QString MainWindow::WindowTitle = tr("PulseView"); | |
69 | ||
70 | MainWindow::MainWindow(DeviceManager &device_manager, QWidget *parent) : | |
71 | QMainWindow(parent), | |
72 | device_manager_(device_manager), | |
73 | session_selector_(this), | |
74 | session_state_mapper_(this), | |
75 | icon_red_(":/icons/status-red.svg"), | |
76 | icon_green_(":/icons/status-green.svg"), | |
77 | icon_grey_(":/icons/status-grey.svg") | |
78 | { | |
79 | qRegisterMetaType<util::Timestamp>("util::Timestamp"); | |
80 | qRegisterMetaType<uint64_t>("uint64_t"); | |
81 | ||
82 | GlobalSettings::add_change_handler(this); | |
83 | ||
84 | GlobalSettings settings; | |
85 | settings.set_defaults_where_needed(); | |
86 | ||
87 | setup_ui(); | |
88 | restore_ui_settings(); | |
89 | } | |
90 | ||
91 | MainWindow::~MainWindow() | |
92 | { | |
93 | GlobalSettings::remove_change_handler(this); | |
94 | ||
95 | while (!sessions_.empty()) | |
96 | remove_session(sessions_.front()); | |
97 | } | |
98 | ||
99 | shared_ptr<views::ViewBase> MainWindow::get_active_view() const | |
100 | { | |
101 | // If there's only one view, use it... | |
102 | if (view_docks_.size() == 1) | |
103 | return view_docks_.begin()->second; | |
104 | ||
105 | // ...otherwise find the dock widget the widget with focus is contained in | |
106 | QObject *w = QApplication::focusWidget(); | |
107 | QDockWidget *dock = nullptr; | |
108 | ||
109 | while (w) { | |
110 | dock = qobject_cast<QDockWidget*>(w); | |
111 | if (dock) | |
112 | break; | |
113 | w = w->parent(); | |
114 | } | |
115 | ||
116 | // Get the view contained in the dock widget | |
117 | for (auto entry : view_docks_) | |
118 | if (entry.first == dock) | |
119 | return entry.second; | |
120 | ||
121 | return nullptr; | |
122 | } | |
123 | ||
124 | shared_ptr<views::ViewBase> MainWindow::add_view(const QString &title, | |
125 | views::ViewType type, Session &session) | |
126 | { | |
127 | GlobalSettings settings; | |
128 | shared_ptr<views::ViewBase> v; | |
129 | ||
130 | QMainWindow *main_window = nullptr; | |
131 | for (auto entry : session_windows_) | |
132 | if (entry.first.get() == &session) | |
133 | main_window = entry.second; | |
134 | ||
135 | assert(main_window); | |
136 | ||
137 | shared_ptr<MainBar> main_bar = session.main_bar(); | |
138 | ||
139 | QDockWidget* dock = new QDockWidget(title, main_window); | |
140 | dock->setObjectName(title); | |
141 | main_window->addDockWidget(Qt::TopDockWidgetArea, dock); | |
142 | ||
143 | // Insert a QMainWindow into the dock widget to allow for a tool bar | |
144 | QMainWindow *dock_main = new QMainWindow(dock); | |
145 | dock_main->setWindowFlags(Qt::Widget); // Remove Qt::Window flag | |
146 | ||
147 | if (type == views::ViewTypeTrace) | |
148 | // This view will be the main view if there's no main bar yet | |
149 | v = make_shared<views::trace::View>(session, | |
150 | (main_bar ? false : true), dock_main); | |
151 | ||
152 | if (!v) | |
153 | return nullptr; | |
154 | ||
155 | view_docks_[dock] = v; | |
156 | session.register_view(v); | |
157 | ||
158 | dock_main->setCentralWidget(v.get()); | |
159 | dock->setWidget(dock_main); | |
160 | ||
161 | dock->setContextMenuPolicy(Qt::PreventContextMenu); | |
162 | dock->setFeatures(QDockWidget::DockWidgetMovable | | |
163 | QDockWidget::DockWidgetFloatable | QDockWidget::DockWidgetClosable); | |
164 | ||
165 | QAbstractButton *close_btn = | |
166 | dock->findChildren<QAbstractButton*> | |
167 | ("qt_dockwidget_closebutton").front(); | |
168 | ||
169 | connect(close_btn, SIGNAL(clicked(bool)), | |
170 | this, SLOT(on_view_close_clicked())); | |
171 | ||
172 | connect(&session, SIGNAL(trigger_event(int, util::Timestamp)), | |
173 | qobject_cast<views::ViewBase*>(v.get()), | |
174 | SLOT(trigger_event(int, util::Timestamp))); | |
175 | ||
176 | if (type == views::ViewTypeTrace) { | |
177 | views::trace::View *tv = | |
178 | qobject_cast<views::trace::View*>(v.get()); | |
179 | ||
180 | tv->enable_coloured_bg(settings.value(GlobalSettings::Key_View_ColouredBG).toBool()); | |
181 | tv->enable_show_sampling_points(settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool()); | |
182 | tv->enable_show_analog_minor_grid(settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool()); | |
183 | ||
184 | if (!main_bar) { | |
185 | /* Initial view, create the main bar */ | |
186 | main_bar = make_shared<MainBar>(session, this, tv); | |
187 | dock_main->addToolBar(main_bar.get()); | |
188 | session.set_main_bar(main_bar); | |
189 | ||
190 | connect(main_bar.get(), SIGNAL(new_view(Session*)), | |
191 | this, SLOT(on_new_view(Session*))); | |
192 | ||
193 | main_bar->action_view_show_cursors()->setChecked(tv->cursors_shown()); | |
194 | ||
195 | /* For the main view we need to prevent the dock widget from | |
196 | * closing itself when its close button is clicked. This is | |
197 | * so we can confirm with the user first. Regular views don't | |
198 | * need this */ | |
199 | close_btn->disconnect(SIGNAL(clicked()), dock, SLOT(close())); | |
200 | } else { | |
201 | /* Additional view, create a standard bar */ | |
202 | pv::views::trace::StandardBar *standard_bar = | |
203 | new pv::views::trace::StandardBar(session, this, tv); | |
204 | dock_main->addToolBar(standard_bar); | |
205 | ||
206 | standard_bar->action_view_show_cursors()->setChecked(tv->cursors_shown()); | |
207 | } | |
208 | } | |
209 | ||
210 | return v; | |
211 | } | |
212 | ||
213 | void MainWindow::remove_view(shared_ptr<views::ViewBase> view) | |
214 | { | |
215 | for (shared_ptr<Session> session : sessions_) { | |
216 | if (!session->has_view(view)) | |
217 | continue; | |
218 | ||
219 | // Find the dock the view is contained in and remove it | |
220 | for (auto entry : view_docks_) | |
221 | if (entry.second == view) { | |
222 | // Remove the view from the session | |
223 | session->deregister_view(view); | |
224 | ||
225 | // Remove the view from its parent; otherwise, Qt will | |
226 | // call deleteLater() on it, which causes a double free | |
227 | // since the shared_ptr in view_docks_ doesn't know | |
228 | // that Qt keeps a pointer to the view around | |
229 | view->setParent(nullptr); | |
230 | ||
231 | // Delete the view's dock widget and all widgets inside it | |
232 | entry.first->deleteLater(); | |
233 | ||
234 | // Remove the dock widget from the list and stop iterating | |
235 | view_docks_.erase(entry.first); | |
236 | break; | |
237 | } | |
238 | } | |
239 | } | |
240 | ||
241 | shared_ptr<Session> MainWindow::add_session() | |
242 | { | |
243 | static int last_session_id = 1; | |
244 | QString name = tr("Session %1").arg(last_session_id++); | |
245 | ||
246 | shared_ptr<Session> session = make_shared<Session>(device_manager_, name); | |
247 | ||
248 | connect(session.get(), SIGNAL(add_view(const QString&, views::ViewType, Session*)), | |
249 | this, SLOT(on_add_view(const QString&, views::ViewType, Session*))); | |
250 | connect(session.get(), SIGNAL(name_changed()), | |
251 | this, SLOT(on_session_name_changed())); | |
252 | session_state_mapper_.setMapping(session.get(), session.get()); | |
253 | connect(session.get(), SIGNAL(capture_state_changed(int)), | |
254 | &session_state_mapper_, SLOT(map())); | |
255 | ||
256 | sessions_.push_back(session); | |
257 | ||
258 | QMainWindow *window = new QMainWindow(); | |
259 | window->setWindowFlags(Qt::Widget); // Remove Qt::Window flag | |
260 | session_windows_[session] = window; | |
261 | ||
262 | int index = session_selector_.addTab(window, name); | |
263 | session_selector_.setCurrentIndex(index); | |
264 | last_focused_session_ = session; | |
265 | ||
266 | window->setDockNestingEnabled(true); | |
267 | ||
268 | shared_ptr<views::ViewBase> main_view = | |
269 | add_view(name, views::ViewTypeTrace, *session); | |
270 | ||
271 | return session; | |
272 | } | |
273 | ||
274 | void MainWindow::remove_session(shared_ptr<Session> session) | |
275 | { | |
276 | // Determine the height of the button before it collapses | |
277 | int h = new_session_button_->height(); | |
278 | ||
279 | // Stop capture while the session still exists so that the UI can be | |
280 | // updated in case we're currently running. If so, this will schedule a | |
281 | // call to our on_capture_state_changed() slot for the next run of the | |
282 | // event loop. We need to have this executed immediately or else it will | |
283 | // be dismissed since the session object will be deleted by the time we | |
284 | // leave this method and the event loop gets a chance to run again. | |
285 | session->stop_capture(); | |
286 | QApplication::processEvents(); | |
287 | ||
288 | for (shared_ptr<views::ViewBase> view : session->views()) | |
289 | remove_view(view); | |
290 | ||
291 | QMainWindow *window = session_windows_.at(session); | |
292 | session_selector_.removeTab(session_selector_.indexOf(window)); | |
293 | ||
294 | session_windows_.erase(session); | |
295 | ||
296 | if (last_focused_session_ == session) | |
297 | last_focused_session_.reset(); | |
298 | ||
299 | // Remove the session from our list of sessions (which also destroys it) | |
300 | sessions_.remove_if([&](shared_ptr<Session> s) { | |
301 | return s == session; }); | |
302 | ||
303 | if (sessions_.empty()) { | |
304 | // When there are no more tabs, the height of the QTabWidget | |
305 | // drops to zero. We must prevent this to keep the static | |
306 | // widgets visible | |
307 | for (QWidget *w : static_tab_widget_->findChildren<QWidget*>()) | |
308 | w->setMinimumHeight(h); | |
309 | ||
310 | int margin = static_tab_widget_->layout()->contentsMargins().bottom(); | |
311 | static_tab_widget_->setMinimumHeight(h + 2 * margin); | |
312 | session_selector_.setMinimumHeight(h + 2 * margin); | |
313 | ||
314 | // Update the window title if there is no view left to | |
315 | // generate focus change events | |
316 | setWindowTitle(WindowTitle); | |
317 | } | |
318 | } | |
319 | ||
320 | void MainWindow::add_session_with_file(string open_file_name, | |
321 | string open_file_format) | |
322 | { | |
323 | shared_ptr<Session> session = add_session(); | |
324 | session->load_init_file(open_file_name, open_file_format); | |
325 | } | |
326 | ||
327 | void MainWindow::add_default_session() | |
328 | { | |
329 | // Only add the default session if there would be no session otherwise | |
330 | if (sessions_.size() > 0) | |
331 | return; | |
332 | ||
333 | shared_ptr<Session> session = add_session(); | |
334 | ||
335 | // Check the list of available devices. Prefer the one that was | |
336 | // found with user supplied scan specs (if applicable). Then try | |
337 | // one of the auto detected devices that are not the demo device. | |
338 | // Pick demo in the absence of "genuine" hardware devices. | |
339 | shared_ptr<devices::HardwareDevice> user_device, other_device, demo_device; | |
340 | for (shared_ptr<devices::HardwareDevice> dev : device_manager_.devices()) { | |
341 | if (dev == device_manager_.user_spec_device()) { | |
342 | user_device = dev; | |
343 | } else if (dev->hardware_device()->driver()->name() == "demo") { | |
344 | demo_device = dev; | |
345 | } else { | |
346 | other_device = dev; | |
347 | } | |
348 | } | |
349 | if (user_device) | |
350 | session->select_device(user_device); | |
351 | else if (other_device) | |
352 | session->select_device(other_device); | |
353 | else | |
354 | session->select_device(demo_device); | |
355 | } | |
356 | ||
357 | void MainWindow::save_sessions() | |
358 | { | |
359 | QSettings settings; | |
360 | int id = 0; | |
361 | ||
362 | for (shared_ptr<Session> session : sessions_) { | |
363 | // Ignore sessions using the demo device or no device at all | |
364 | if (session->device()) { | |
365 | shared_ptr<devices::HardwareDevice> device = | |
366 | dynamic_pointer_cast< devices::HardwareDevice > | |
367 | (session->device()); | |
368 | ||
369 | if (device && | |
370 | device->hardware_device()->driver()->name() == "demo") | |
371 | continue; | |
372 | ||
373 | settings.beginGroup("Session" + QString::number(id++)); | |
374 | settings.remove(""); // Remove all keys in this group | |
375 | session->save_settings(settings); | |
376 | settings.endGroup(); | |
377 | } | |
378 | } | |
379 | ||
380 | settings.setValue("sessions", id); | |
381 | } | |
382 | ||
383 | void MainWindow::restore_sessions() | |
384 | { | |
385 | QSettings settings; | |
386 | int i, session_count; | |
387 | ||
388 | session_count = settings.value("sessions", 0).toInt(); | |
389 | ||
390 | for (i = 0; i < session_count; i++) { | |
391 | settings.beginGroup("Session" + QString::number(i)); | |
392 | shared_ptr<Session> session = add_session(); | |
393 | session->restore_settings(settings); | |
394 | settings.endGroup(); | |
395 | } | |
396 | } | |
397 | ||
398 | void MainWindow::on_setting_changed(const QString &key, const QVariant &value) | |
399 | { | |
400 | if (key == GlobalSettings::Key_View_ColouredBG) | |
401 | on_settingViewColouredBg_changed(value); | |
402 | ||
403 | if (key == GlobalSettings::Key_View_ShowSamplingPoints) | |
404 | on_settingViewShowSamplingPoints_changed(value); | |
405 | ||
406 | if (key == GlobalSettings::Key_View_ShowAnalogMinorGrid) | |
407 | on_settingViewShowAnalogMinorGrid_changed(value); | |
408 | } | |
409 | ||
410 | void MainWindow::setup_ui() | |
411 | { | |
412 | setObjectName(QString::fromUtf8("MainWindow")); | |
413 | ||
414 | setCentralWidget(&session_selector_); | |
415 | ||
416 | // Set the window icon | |
417 | QIcon icon; | |
418 | icon.addFile(QString(":/icons/pulseview.png")); | |
419 | setWindowIcon(icon); | |
420 | ||
421 | view_sticky_scrolling_shortcut_ = new QShortcut(QKeySequence(Qt::Key_S), this, SLOT(on_view_sticky_scrolling_shortcut())); | |
422 | view_sticky_scrolling_shortcut_->setAutoRepeat(false); | |
423 | ||
424 | view_show_sampling_points_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Period), this, SLOT(on_view_show_sampling_points_shortcut())); | |
425 | view_show_sampling_points_shortcut_->setAutoRepeat(false); | |
426 | ||
427 | view_show_analog_minor_grid_shortcut_ = new QShortcut(QKeySequence(Qt::Key_G), this, SLOT(on_view_show_analog_minor_grid_shortcut())); | |
428 | view_show_analog_minor_grid_shortcut_->setAutoRepeat(false); | |
429 | ||
430 | view_coloured_bg_shortcut_ = new QShortcut(QKeySequence(Qt::Key_B), this, SLOT(on_view_coloured_bg_shortcut())); | |
431 | view_coloured_bg_shortcut_->setAutoRepeat(false); | |
432 | ||
433 | // Set up the tab area | |
434 | new_session_button_ = new QToolButton(); | |
435 | new_session_button_->setIcon(QIcon::fromTheme("document-new", | |
436 | QIcon(":/icons/document-new.png"))); | |
437 | new_session_button_->setToolTip(tr("Create New Session")); | |
438 | new_session_button_->setAutoRaise(true); | |
439 | ||
440 | run_stop_button_ = new QToolButton(); | |
441 | run_stop_button_->setAutoRaise(true); | |
442 | run_stop_button_->setToolButtonStyle(Qt::ToolButtonTextBesideIcon); | |
443 | run_stop_button_->setToolTip(tr("Start/Stop Acquisition")); | |
444 | ||
445 | run_stop_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Space), run_stop_button_, SLOT(click())); | |
446 | run_stop_shortcut_->setAutoRepeat(false); | |
447 | ||
448 | settings_button_ = new QToolButton(); | |
449 | settings_button_->setIcon(QIcon::fromTheme("preferences-system", | |
450 | QIcon(":/icons/preferences-system.png"))); | |
451 | settings_button_->setToolTip(tr("Settings")); | |
452 | settings_button_->setAutoRaise(true); | |
453 | ||
454 | QFrame *separator1 = new QFrame(); | |
455 | separator1->setFrameStyle(QFrame::VLine | QFrame::Raised); | |
456 | QFrame *separator2 = new QFrame(); | |
457 | separator2->setFrameStyle(QFrame::VLine | QFrame::Raised); | |
458 | ||
459 | QHBoxLayout* layout = new QHBoxLayout(); | |
460 | layout->setContentsMargins(2, 2, 2, 2); | |
461 | layout->addWidget(new_session_button_); | |
462 | layout->addWidget(separator1); | |
463 | layout->addWidget(run_stop_button_); | |
464 | layout->addWidget(separator2); | |
465 | layout->addWidget(settings_button_); | |
466 | ||
467 | static_tab_widget_ = new QWidget(); | |
468 | static_tab_widget_->setLayout(layout); | |
469 | ||
470 | session_selector_.setCornerWidget(static_tab_widget_, Qt::TopLeftCorner); | |
471 | session_selector_.setTabsClosable(true); | |
472 | ||
473 | close_application_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q), this, SLOT(close())); | |
474 | close_application_shortcut_->setAutoRepeat(false); | |
475 | ||
476 | close_current_tab_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_W), this, SLOT(on_close_current_tab())); | |
477 | ||
478 | connect(new_session_button_, SIGNAL(clicked(bool)), | |
479 | this, SLOT(on_new_session_clicked())); | |
480 | connect(run_stop_button_, SIGNAL(clicked(bool)), | |
481 | this, SLOT(on_run_stop_clicked())); | |
482 | connect(&session_state_mapper_, SIGNAL(mapped(QObject*)), | |
483 | this, SLOT(on_capture_state_changed(QObject*))); | |
484 | connect(settings_button_, SIGNAL(clicked(bool)), | |
485 | this, SLOT(on_settings_clicked())); | |
486 | ||
487 | connect(&session_selector_, SIGNAL(tabCloseRequested(int)), | |
488 | this, SLOT(on_tab_close_requested(int))); | |
489 | connect(&session_selector_, SIGNAL(currentChanged(int)), | |
490 | this, SLOT(on_tab_changed(int))); | |
491 | ||
492 | ||
493 | connect(static_cast<QApplication *>(QCoreApplication::instance()), | |
494 | SIGNAL(focusChanged(QWidget*, QWidget*)), | |
495 | this, SLOT(on_focus_changed())); | |
496 | } | |
497 | ||
498 | void MainWindow::save_ui_settings() | |
499 | { | |
500 | QSettings settings; | |
501 | ||
502 | settings.beginGroup("MainWindow"); | |
503 | settings.setValue("state", saveState()); | |
504 | settings.setValue("geometry", saveGeometry()); | |
505 | settings.endGroup(); | |
506 | } | |
507 | ||
508 | void MainWindow::restore_ui_settings() | |
509 | { | |
510 | QSettings settings; | |
511 | ||
512 | settings.beginGroup("MainWindow"); | |
513 | ||
514 | if (settings.contains("geometry")) { | |
515 | restoreGeometry(settings.value("geometry").toByteArray()); | |
516 | restoreState(settings.value("state").toByteArray()); | |
517 | } else | |
518 | resize(1000, 720); | |
519 | ||
520 | settings.endGroup(); | |
521 | } | |
522 | ||
523 | shared_ptr<Session> MainWindow::get_tab_session(int index) const | |
524 | { | |
525 | // Find the session that belongs to the tab's main window | |
526 | for (auto entry : session_windows_) | |
527 | if (entry.second == session_selector_.widget(index)) | |
528 | return entry.first; | |
529 | ||
530 | return nullptr; | |
531 | } | |
532 | ||
533 | void MainWindow::closeEvent(QCloseEvent *event) | |
534 | { | |
535 | bool data_saved = true; | |
536 | ||
537 | for (auto entry : session_windows_) | |
538 | if (!entry.first->data_saved()) | |
539 | data_saved = false; | |
540 | ||
541 | if (!data_saved && (QMessageBox::question(this, tr("Confirmation"), | |
542 | tr("There is unsaved data. Close anyway?"), | |
543 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::No)) { | |
544 | event->ignore(); | |
545 | } else { | |
546 | save_ui_settings(); | |
547 | save_sessions(); | |
548 | event->accept(); | |
549 | } | |
550 | } | |
551 | ||
552 | QMenu* MainWindow::createPopupMenu() | |
553 | { | |
554 | return nullptr; | |
555 | } | |
556 | ||
557 | bool MainWindow::restoreState(const QByteArray &state, int version) | |
558 | { | |
559 | (void)state; | |
560 | (void)version; | |
561 | ||
562 | // Do nothing. We don't want Qt to handle this, or else it | |
563 | // will try to restore all the dock widgets and create havoc. | |
564 | ||
565 | return false; | |
566 | } | |
567 | ||
568 | void MainWindow::session_error(const QString text, const QString info_text) | |
569 | { | |
570 | QMetaObject::invokeMethod(this, "show_session_error", | |
571 | Qt::QueuedConnection, Q_ARG(QString, text), | |
572 | Q_ARG(QString, info_text)); | |
573 | } | |
574 | ||
575 | void MainWindow::show_session_error(const QString text, const QString info_text) | |
576 | { | |
577 | QMessageBox msg(this); | |
578 | msg.setText(text); | |
579 | msg.setInformativeText(info_text); | |
580 | msg.setStandardButtons(QMessageBox::Ok); | |
581 | msg.setIcon(QMessageBox::Warning); | |
582 | msg.exec(); | |
583 | } | |
584 | ||
585 | void MainWindow::on_add_view(const QString &title, views::ViewType type, | |
586 | Session *session) | |
587 | { | |
588 | // We get a pointer and need a reference | |
589 | for (shared_ptr<Session> s : sessions_) | |
590 | if (s.get() == session) | |
591 | add_view(title, type, *s); | |
592 | } | |
593 | ||
594 | void MainWindow::on_focus_changed() | |
595 | { | |
596 | shared_ptr<views::ViewBase> view = get_active_view(); | |
597 | ||
598 | if (view) { | |
599 | for (shared_ptr<Session> session : sessions_) { | |
600 | if (session->has_view(view)) { | |
601 | if (session != last_focused_session_) { | |
602 | // Activate correct tab if necessary | |
603 | shared_ptr<Session> tab_session = get_tab_session( | |
604 | session_selector_.currentIndex()); | |
605 | if (tab_session != session) | |
606 | session_selector_.setCurrentWidget( | |
607 | session_windows_.at(session)); | |
608 | ||
609 | on_focused_session_changed(session); | |
610 | } | |
611 | ||
612 | break; | |
613 | } | |
614 | } | |
615 | } | |
616 | ||
617 | if (sessions_.empty()) | |
618 | setWindowTitle(WindowTitle); | |
619 | } | |
620 | ||
621 | void MainWindow::on_focused_session_changed(shared_ptr<Session> session) | |
622 | { | |
623 | last_focused_session_ = session; | |
624 | ||
625 | setWindowTitle(session->name() + " - " + WindowTitle); | |
626 | ||
627 | // Update the state of the run/stop button, too | |
628 | on_capture_state_changed(session.get()); | |
629 | } | |
630 | ||
631 | void MainWindow::on_new_session_clicked() | |
632 | { | |
633 | add_session(); | |
634 | } | |
635 | ||
636 | void MainWindow::on_run_stop_clicked() | |
637 | { | |
638 | shared_ptr<Session> session = last_focused_session_; | |
639 | ||
640 | if (!session) | |
641 | return; | |
642 | ||
643 | switch (session->get_capture_state()) { | |
644 | case Session::Stopped: | |
645 | session->start_capture([&](QString message) { | |
646 | session_error("Capture failed", message); }); | |
647 | break; | |
648 | case Session::AwaitingTrigger: | |
649 | case Session::Running: | |
650 | session->stop_capture(); | |
651 | break; | |
652 | } | |
653 | } | |
654 | ||
655 | void MainWindow::on_settings_clicked() | |
656 | { | |
657 | dialogs::Settings dlg(device_manager_); | |
658 | dlg.exec(); | |
659 | } | |
660 | ||
661 | void MainWindow::on_session_name_changed() | |
662 | { | |
663 | // Update the corresponding dock widget's name(s) | |
664 | Session *session = qobject_cast<Session*>(QObject::sender()); | |
665 | assert(session); | |
666 | ||
667 | for (shared_ptr<views::ViewBase> view : session->views()) { | |
668 | // Get the dock that contains the view | |
669 | for (auto entry : view_docks_) | |
670 | if (entry.second == view) { | |
671 | entry.first->setObjectName(session->name()); | |
672 | entry.first->setWindowTitle(session->name()); | |
673 | } | |
674 | } | |
675 | ||
676 | // Update the tab widget by finding the main window and the tab from that | |
677 | for (auto entry : session_windows_) | |
678 | if (entry.first.get() == session) { | |
679 | QMainWindow *window = entry.second; | |
680 | const int index = session_selector_.indexOf(window); | |
681 | session_selector_.setTabText(index, session->name()); | |
682 | } | |
683 | ||
684 | // Refresh window title if the affected session has focus | |
685 | if (session == last_focused_session_.get()) | |
686 | setWindowTitle(session->name() + " - " + WindowTitle); | |
687 | } | |
688 | ||
689 | void MainWindow::on_capture_state_changed(QObject *obj) | |
690 | { | |
691 | Session *caller = qobject_cast<Session*>(obj); | |
692 | ||
693 | // Ignore if caller is not the currently focused session | |
694 | // unless there is only one session | |
695 | if ((sessions_.size() > 1) && (caller != last_focused_session_.get())) | |
696 | return; | |
697 | ||
698 | int state = caller->get_capture_state(); | |
699 | ||
700 | const QIcon *icons[] = {&icon_grey_, &icon_red_, &icon_green_}; | |
701 | run_stop_button_->setIcon(*icons[state]); | |
702 | run_stop_button_->setText((state == pv::Session::Stopped) ? | |
703 | tr("Run") : tr("Stop")); | |
704 | } | |
705 | ||
706 | void MainWindow::on_new_view(Session *session) | |
707 | { | |
708 | // We get a pointer and need a reference | |
709 | for (shared_ptr<Session> s : sessions_) | |
710 | if (s.get() == session) | |
711 | add_view(session->name(), views::ViewTypeTrace, *s); | |
712 | } | |
713 | ||
714 | void MainWindow::on_view_close_clicked() | |
715 | { | |
716 | // Find the dock widget that contains the close button that was clicked | |
717 | QObject *w = QObject::sender(); | |
718 | QDockWidget *dock = nullptr; | |
719 | ||
720 | while (w) { | |
721 | dock = qobject_cast<QDockWidget*>(w); | |
722 | if (dock) | |
723 | break; | |
724 | w = w->parent(); | |
725 | } | |
726 | ||
727 | // Get the view contained in the dock widget | |
728 | shared_ptr<views::ViewBase> view; | |
729 | ||
730 | for (auto entry : view_docks_) | |
731 | if (entry.first == dock) | |
732 | view = entry.second; | |
733 | ||
734 | // Deregister the view | |
735 | for (shared_ptr<Session> session : sessions_) { | |
736 | if (!session->has_view(view)) | |
737 | continue; | |
738 | ||
739 | // Also destroy the entire session if its main view is closing... | |
740 | if (view == session->main_view()) { | |
741 | // ...but only if data is saved or the user confirms closing | |
742 | if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"), | |
743 | tr("This session contains unsaved data. Close it anyway?"), | |
744 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes)) | |
745 | remove_session(session); | |
746 | break; | |
747 | } else | |
748 | // All other views can be closed at any time as no data will be lost | |
749 | remove_view(view); | |
750 | } | |
751 | } | |
752 | ||
753 | void MainWindow::on_tab_changed(int index) | |
754 | { | |
755 | shared_ptr<Session> session = get_tab_session(index); | |
756 | ||
757 | if (session) | |
758 | on_focused_session_changed(session); | |
759 | } | |
760 | ||
761 | void MainWindow::on_tab_close_requested(int index) | |
762 | { | |
763 | shared_ptr<Session> session = get_tab_session(index); | |
764 | ||
765 | if (!session) | |
766 | return; | |
767 | ||
768 | if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"), | |
769 | tr("This session contains unsaved data. Close it anyway?"), | |
770 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes)) | |
771 | remove_session(session); | |
772 | } | |
773 | ||
774 | void MainWindow::on_view_coloured_bg_shortcut() | |
775 | { | |
776 | GlobalSettings settings; | |
777 | ||
778 | bool state = settings.value(GlobalSettings::Key_View_ColouredBG).toBool(); | |
779 | settings.setValue(GlobalSettings::Key_View_ColouredBG, !state); | |
780 | } | |
781 | ||
782 | void MainWindow::on_view_sticky_scrolling_shortcut() | |
783 | { | |
784 | GlobalSettings settings; | |
785 | ||
786 | bool state = settings.value(GlobalSettings::Key_View_StickyScrolling).toBool(); | |
787 | settings.setValue(GlobalSettings::Key_View_StickyScrolling, !state); | |
788 | } | |
789 | ||
790 | void MainWindow::on_view_show_sampling_points_shortcut() | |
791 | { | |
792 | GlobalSettings settings; | |
793 | ||
794 | bool state = settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool(); | |
795 | settings.setValue(GlobalSettings::Key_View_ShowSamplingPoints, !state); | |
796 | } | |
797 | ||
798 | void MainWindow::on_view_show_analog_minor_grid_shortcut() | |
799 | { | |
800 | GlobalSettings settings; | |
801 | ||
802 | bool state = settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool(); | |
803 | settings.setValue(GlobalSettings::Key_View_ShowAnalogMinorGrid, !state); | |
804 | } | |
805 | ||
806 | void MainWindow::on_settingViewColouredBg_changed(const QVariant new_value) | |
807 | { | |
808 | bool state = new_value.toBool(); | |
809 | ||
810 | for (auto entry : view_docks_) { | |
811 | shared_ptr<views::ViewBase> viewbase = entry.second; | |
812 | ||
813 | // Only trace views have this setting | |
814 | views::trace::View* view = | |
815 | qobject_cast<views::trace::View*>(viewbase.get()); | |
816 | if (view) | |
817 | view->enable_coloured_bg(state); | |
818 | } | |
819 | } | |
820 | ||
821 | void MainWindow::on_settingViewShowSamplingPoints_changed(const QVariant new_value) | |
822 | { | |
823 | bool state = new_value.toBool(); | |
824 | ||
825 | for (auto entry : view_docks_) { | |
826 | shared_ptr<views::ViewBase> viewbase = entry.second; | |
827 | ||
828 | // Only trace views have this setting | |
829 | views::trace::View* view = | |
830 | qobject_cast<views::trace::View*>(viewbase.get()); | |
831 | if (view) | |
832 | view->enable_show_sampling_points(state); | |
833 | } | |
834 | } | |
835 | ||
836 | void MainWindow::on_settingViewShowAnalogMinorGrid_changed(const QVariant new_value) | |
837 | { | |
838 | bool state = new_value.toBool(); | |
839 | ||
840 | for (auto entry : view_docks_) { | |
841 | shared_ptr<views::ViewBase> viewbase = entry.second; | |
842 | ||
843 | // Only trace views have this setting | |
844 | views::trace::View* view = | |
845 | qobject_cast<views::trace::View*>(viewbase.get()); | |
846 | if (view) | |
847 | view->enable_show_analog_minor_grid(state); | |
848 | } | |
849 | } | |
850 | ||
851 | void MainWindow::on_close_current_tab() | |
852 | { | |
853 | int tab = session_selector_.currentIndex(); | |
854 | ||
855 | on_tab_close_requested(tab); | |
856 | } | |
857 | ||
858 | } // namespace pv |