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