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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, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #include <cassert> | |
22 | ||
23 | #ifdef ENABLE_DECODE | |
24 | #include <libsigrokdecode/libsigrokdecode.h> | |
25 | #endif | |
26 | ||
27 | #include <algorithm> | |
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 <QWidget> | |
38 | ||
39 | #include "mainwindow.hpp" | |
40 | ||
41 | #include "devicemanager.hpp" | |
42 | #include "util.hpp" | |
43 | #include "devices/hardwaredevice.hpp" | |
44 | #include "dialogs/about.hpp" | |
45 | #include "toolbars/mainbar.hpp" | |
46 | #include "view/view.hpp" | |
47 | #include "views/trace/standardbar.hpp" | |
48 | ||
49 | #include <stdint.h> | |
50 | #include <stdarg.h> | |
51 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
52 | ||
53 | using std::dynamic_pointer_cast; | |
54 | using std::list; | |
55 | using std::make_shared; | |
56 | using std::map; | |
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, | |
71 | string open_file_name, string open_file_format, | |
72 | QWidget *parent) : | |
73 | QMainWindow(parent), | |
74 | device_manager_(device_manager), | |
75 | session_selector_(this), | |
76 | session_state_mapper_(this), | |
77 | action_view_sticky_scrolling_(new QAction(this)), | |
78 | action_view_coloured_bg_(new QAction(this)), | |
79 | action_about_(new QAction(this)), | |
80 | icon_red_(":/icons/status-red.svg"), | |
81 | icon_green_(":/icons/status-green.svg"), | |
82 | icon_grey_(":/icons/status-grey.svg") | |
83 | { | |
84 | qRegisterMetaType<util::Timestamp>("util::Timestamp"); | |
85 | ||
86 | setup_ui(); | |
87 | restore_ui_settings(); | |
88 | ||
89 | if (!open_file_name.empty()) { | |
90 | shared_ptr<Session> session = add_session(); | |
91 | session->load_init_file(open_file_name, open_file_format); | |
92 | } | |
93 | ||
94 | // Add empty default session if there aren't any sessions | |
95 | if (sessions_.size() == 0) { | |
96 | shared_ptr<Session> session = add_session(); | |
97 | ||
98 | map<string, string> dev_info; | |
99 | shared_ptr<devices::HardwareDevice> other_device, demo_device; | |
100 | ||
101 | // Use any available device that's not demo | |
102 | for (shared_ptr<devices::HardwareDevice> dev : device_manager_.devices()) { | |
103 | if (dev->hardware_device()->driver()->name() == "demo") { | |
104 | demo_device = dev; | |
105 | } else { | |
106 | other_device = dev; | |
107 | } | |
108 | } | |
109 | ||
110 | // ...and if there isn't any, just use demo then | |
111 | session->select_device(other_device ? other_device : demo_device); | |
112 | } | |
113 | } | |
114 | ||
115 | MainWindow::~MainWindow() | |
116 | { | |
117 | while (!sessions_.empty()) | |
118 | remove_session(sessions_.front()); | |
119 | } | |
120 | ||
121 | QAction* MainWindow::action_view_sticky_scrolling() const | |
122 | { | |
123 | return action_view_sticky_scrolling_; | |
124 | } | |
125 | ||
126 | QAction* MainWindow::action_view_coloured_bg() const | |
127 | { | |
128 | return action_view_coloured_bg_; | |
129 | } | |
130 | ||
131 | QAction* MainWindow::action_about() const | |
132 | { | |
133 | return action_about_; | |
134 | } | |
135 | ||
136 | shared_ptr<views::ViewBase> MainWindow::get_active_view() const | |
137 | { | |
138 | // If there's only one view, use it... | |
139 | if (view_docks_.size() == 1) | |
140 | return view_docks_.begin()->second; | |
141 | ||
142 | // ...otherwise find the dock widget the widget with focus is contained in | |
143 | QObject *w = QApplication::focusWidget(); | |
144 | QDockWidget *dock = 0; | |
145 | ||
146 | while (w) { | |
147 | dock = qobject_cast<QDockWidget*>(w); | |
148 | if (dock) | |
149 | break; | |
150 | w = w->parent(); | |
151 | } | |
152 | ||
153 | // Get the view contained in the dock widget | |
154 | for (auto entry : view_docks_) | |
155 | if (entry.first == dock) | |
156 | return entry.second; | |
157 | ||
158 | return nullptr; | |
159 | } | |
160 | ||
161 | shared_ptr<views::ViewBase> MainWindow::add_view(const QString &title, | |
162 | views::ViewType type, Session &session) | |
163 | { | |
164 | QMainWindow *main_window = nullptr; | |
165 | for (auto entry : session_windows_) | |
166 | if (entry.first.get() == &session) | |
167 | main_window = entry.second; | |
168 | ||
169 | assert(main_window); | |
170 | ||
171 | if (type == views::ViewTypeTrace) { | |
172 | QDockWidget* dock = new QDockWidget(title, main_window); | |
173 | dock->setObjectName(title); | |
174 | main_window->addDockWidget(Qt::TopDockWidgetArea, dock); | |
175 | ||
176 | // Insert a QMainWindow into the dock widget to allow for a tool bar | |
177 | QMainWindow *dock_main = new QMainWindow(dock); | |
178 | dock_main->setWindowFlags(Qt::Widget); // Remove Qt::Window flag | |
179 | ||
180 | shared_ptr<views::TraceView::View> v = | |
181 | make_shared<views::TraceView::View>(session, dock_main); | |
182 | view_docks_[dock] = v; | |
183 | session.register_view(v); | |
184 | ||
185 | dock_main->setCentralWidget(v.get()); | |
186 | dock->setWidget(dock_main); | |
187 | ||
188 | dock->setFeatures(QDockWidget::DockWidgetMovable | | |
189 | QDockWidget::DockWidgetFloatable | QDockWidget::DockWidgetClosable); | |
190 | ||
191 | QAbstractButton *close_btn = | |
192 | dock->findChildren<QAbstractButton*> | |
193 | ("qt_dockwidget_closebutton").front(); | |
194 | ||
195 | connect(close_btn, SIGNAL(clicked(bool)), | |
196 | this, SLOT(on_view_close_clicked())); | |
197 | ||
198 | if (type == views::ViewTypeTrace) { | |
199 | connect(&session, SIGNAL(trigger_event(util::Timestamp)), | |
200 | qobject_cast<views::ViewBase*>(v.get()), | |
201 | SLOT(trigger_event(util::Timestamp))); | |
202 | ||
203 | v->enable_sticky_scrolling(action_view_sticky_scrolling_->isChecked()); | |
204 | v->enable_coloured_bg(action_view_coloured_bg_->isChecked()); | |
205 | ||
206 | shared_ptr<MainBar> main_bar = session.main_bar(); | |
207 | if (!main_bar) { | |
208 | /* Initial view, create the main bar */ | |
209 | main_bar = make_shared<MainBar>(session, this, v.get()); | |
210 | dock_main->addToolBar(main_bar.get()); | |
211 | session.set_main_bar(main_bar); | |
212 | ||
213 | connect(main_bar.get(), SIGNAL(new_view(Session*)), | |
214 | this, SLOT(on_new_view(Session*))); | |
215 | ||
216 | main_bar->action_view_show_cursors()->setChecked(v->cursors_shown()); | |
217 | } else { | |
218 | /* Additional view, create a standard bar */ | |
219 | pv::views::trace::StandardBar *standard_bar = | |
220 | new pv::views::trace::StandardBar(session, this, v.get()); | |
221 | dock_main->addToolBar(standard_bar); | |
222 | ||
223 | standard_bar->action_view_show_cursors()->setChecked(v->cursors_shown()); | |
224 | } | |
225 | } | |
226 | ||
227 | return v; | |
228 | } | |
229 | ||
230 | return nullptr; | |
231 | } | |
232 | ||
233 | shared_ptr<Session> MainWindow::add_session() | |
234 | { | |
235 | static int last_session_id = 1; | |
236 | QString name = tr("Untitled-%1").arg(last_session_id++); | |
237 | ||
238 | shared_ptr<Session> session = make_shared<Session>(device_manager_, name); | |
239 | ||
240 | connect(session.get(), SIGNAL(add_view(const QString&, views::ViewType, Session*)), | |
241 | this, SLOT(on_add_view(const QString&, views::ViewType, Session*))); | |
242 | connect(session.get(), SIGNAL(name_changed()), | |
243 | this, SLOT(on_session_name_changed())); | |
244 | session_state_mapper_.setMapping(session.get(), session.get()); | |
245 | connect(session.get(), SIGNAL(capture_state_changed(int)), | |
246 | &session_state_mapper_, SLOT(map())); | |
247 | ||
248 | sessions_.push_back(session); | |
249 | ||
250 | QMainWindow *window = new QMainWindow(); | |
251 | window->setWindowFlags(Qt::Widget); // Remove Qt::Window flag | |
252 | session_windows_[session] = window; | |
253 | ||
254 | int index = session_selector_.addTab(window, name); | |
255 | session_selector_.setCurrentIndex(index); | |
256 | last_focused_session_ = session; | |
257 | ||
258 | window->setDockNestingEnabled(true); | |
259 | ||
260 | shared_ptr<views::ViewBase> main_view = | |
261 | add_view(name, views::ViewTypeTrace, *session); | |
262 | ||
263 | return session; | |
264 | } | |
265 | ||
266 | void MainWindow::remove_session(shared_ptr<Session> session) | |
267 | { | |
268 | int h = new_session_button_->height(); | |
269 | ||
270 | for (shared_ptr<views::ViewBase> view : session->views()) { | |
271 | // Find the dock the view is contained in and remove it | |
272 | for (auto entry : view_docks_) | |
273 | if (entry.second == view) { | |
274 | // Remove the view from the session | |
275 | session->deregister_view(view); | |
276 | ||
277 | // Remove the view from its parent; otherwise, Qt will | |
278 | // call deleteLater() on it, which causes a double free | |
279 | // since the shared_ptr in view_docks_ doesn't know | |
280 | // that Qt keeps a pointer to the view around | |
281 | entry.second->setParent(0); | |
282 | ||
283 | // Remove this entry from the container | |
284 | view_docks_.erase(entry.first); | |
285 | } | |
286 | } | |
287 | ||
288 | QMainWindow *window = session_windows_.at(session); | |
289 | session_selector_.removeTab(session_selector_.indexOf(window)); | |
290 | ||
291 | session_windows_.erase(session); | |
292 | ||
293 | if (last_focused_session_ == session) | |
294 | last_focused_session_.reset(); | |
295 | ||
296 | sessions_.remove_if([&](shared_ptr<Session> s) { | |
297 | return s == session; }); | |
298 | ||
299 | if (sessions_.empty()) { | |
300 | // When there are no more tabs, the height of the QTabWidget | |
301 | // drops to zero. We must prevent this to keep the static | |
302 | // widgets visible | |
303 | for (QWidget *w : static_tab_widget_->findChildren<QWidget*>()) | |
304 | w->setMinimumHeight(h); | |
305 | ||
306 | int margin = static_tab_widget_->layout()->contentsMargins().bottom(); | |
307 | static_tab_widget_->setMinimumHeight(h + 2 * margin); | |
308 | session_selector_.setMinimumHeight(h + 2 * margin); | |
309 | ||
310 | // Update the window title if there is no view left to | |
311 | // generate focus change events | |
312 | setWindowTitle(WindowTitle); | |
313 | } | |
314 | } | |
315 | ||
316 | void MainWindow::setup_ui() | |
317 | { | |
318 | setObjectName(QString::fromUtf8("MainWindow")); | |
319 | ||
320 | setCentralWidget(&session_selector_); | |
321 | ||
322 | // Set the window icon | |
323 | QIcon icon; | |
324 | icon.addFile(QString(":/icons/sigrok-logo-notext.png")); | |
325 | setWindowIcon(icon); | |
326 | ||
327 | action_view_sticky_scrolling_->setCheckable(true); | |
328 | action_view_sticky_scrolling_->setChecked(true); | |
329 | action_view_sticky_scrolling_->setShortcut(QKeySequence(Qt::Key_S)); | |
330 | action_view_sticky_scrolling_->setObjectName( | |
331 | QString::fromUtf8("actionViewStickyScrolling")); | |
332 | action_view_sticky_scrolling_->setText(tr("&Sticky Scrolling")); | |
333 | ||
334 | action_view_coloured_bg_->setCheckable(true); | |
335 | action_view_coloured_bg_->setChecked(true); | |
336 | action_view_coloured_bg_->setShortcut(QKeySequence(Qt::Key_B)); | |
337 | action_view_coloured_bg_->setObjectName( | |
338 | QString::fromUtf8("actionViewColouredBg")); | |
339 | action_view_coloured_bg_->setText(tr("Use &coloured backgrounds")); | |
340 | ||
341 | action_about_->setObjectName(QString::fromUtf8("actionAbout")); | |
342 | action_about_->setText(tr("&About...")); | |
343 | ||
344 | // Set up the tab area | |
345 | new_session_button_ = new QToolButton(); | |
346 | new_session_button_->setIcon(QIcon::fromTheme("document-new", | |
347 | QIcon(":/icons/document-new.png"))); | |
348 | new_session_button_->setAutoRaise(true); | |
349 | ||
350 | run_stop_button_ = new QToolButton(); | |
351 | run_stop_button_->setAutoRaise(true); | |
352 | run_stop_button_->setToolButtonStyle(Qt::ToolButtonTextBesideIcon); | |
353 | run_stop_button_->setShortcut(QKeySequence(Qt::Key_Space)); | |
354 | ||
355 | settings_button_ = new QToolButton(); | |
356 | settings_button_->setIcon(QIcon::fromTheme("configure", | |
357 | QIcon(":/icons/configure.png"))); | |
358 | settings_button_->setAutoRaise(true); | |
359 | ||
360 | QFrame *separator1 = new QFrame(); | |
361 | separator1->setFrameStyle(QFrame::VLine | QFrame::Raised); | |
362 | QFrame *separator2 = new QFrame(); | |
363 | separator2->setFrameStyle(QFrame::VLine | QFrame::Raised); | |
364 | ||
365 | QHBoxLayout* layout = new QHBoxLayout(); | |
366 | layout->setContentsMargins(2, 2, 2, 2); | |
367 | layout->addWidget(new_session_button_); | |
368 | layout->addWidget(separator1); | |
369 | layout->addWidget(run_stop_button_); | |
370 | layout->addWidget(separator2); | |
371 | layout->addWidget(settings_button_); | |
372 | ||
373 | static_tab_widget_ = new QWidget(); | |
374 | static_tab_widget_->setLayout(layout); | |
375 | ||
376 | session_selector_.setCornerWidget(static_tab_widget_, Qt::TopLeftCorner); | |
377 | session_selector_.setTabsClosable(true); | |
378 | ||
379 | connect(new_session_button_, SIGNAL(clicked(bool)), | |
380 | this, SLOT(on_new_session_clicked())); | |
381 | connect(run_stop_button_, SIGNAL(clicked(bool)), | |
382 | this, SLOT(on_run_stop_clicked())); | |
383 | connect(&session_state_mapper_, SIGNAL(mapped(QObject*)), | |
384 | this, SLOT(on_capture_state_changed(QObject*))); | |
385 | ||
386 | connect(&session_selector_, SIGNAL(tabCloseRequested(int)), | |
387 | this, SLOT(on_tab_close_requested(int))); | |
388 | connect(&session_selector_, SIGNAL(currentChanged(int)), | |
389 | this, SLOT(on_tab_changed(int))); | |
390 | ||
391 | ||
392 | connect(static_cast<QApplication *>(QCoreApplication::instance()), | |
393 | SIGNAL(focusChanged(QWidget*, QWidget*)), | |
394 | this, SLOT(on_focus_changed())); | |
395 | } | |
396 | ||
397 | void MainWindow::save_ui_settings() | |
398 | { | |
399 | QSettings settings; | |
400 | int id = 0; | |
401 | ||
402 | settings.beginGroup("MainWindow"); | |
403 | settings.setValue("state", saveState()); | |
404 | settings.setValue("geometry", saveGeometry()); | |
405 | settings.endGroup(); | |
406 | ||
407 | for (shared_ptr<Session> session : sessions_) { | |
408 | // Ignore sessions using the demo device or no device at all | |
409 | if (session->device()) { | |
410 | shared_ptr<devices::HardwareDevice> device = | |
411 | dynamic_pointer_cast< devices::HardwareDevice > | |
412 | (session->device()); | |
413 | ||
414 | if (device && | |
415 | device->hardware_device()->driver()->name() == "demo") | |
416 | continue; | |
417 | ||
418 | settings.beginGroup("Session" + QString::number(id++)); | |
419 | settings.remove(""); // Remove all keys in this group | |
420 | session->save_settings(settings); | |
421 | settings.endGroup(); | |
422 | } | |
423 | } | |
424 | ||
425 | settings.setValue("sessions", id); | |
426 | } | |
427 | ||
428 | void MainWindow::restore_ui_settings() | |
429 | { | |
430 | QSettings settings; | |
431 | int i, session_count; | |
432 | ||
433 | settings.beginGroup("MainWindow"); | |
434 | ||
435 | if (settings.contains("geometry")) { | |
436 | restoreGeometry(settings.value("geometry").toByteArray()); | |
437 | restoreState(settings.value("state").toByteArray()); | |
438 | } else | |
439 | resize(1000, 720); | |
440 | ||
441 | settings.endGroup(); | |
442 | ||
443 | session_count = settings.value("sessions", 0).toInt(); | |
444 | ||
445 | for (i = 0; i < session_count; i++) { | |
446 | settings.beginGroup("Session" + QString::number(i)); | |
447 | shared_ptr<Session> session = add_session(); | |
448 | session->restore_settings(settings); | |
449 | settings.endGroup(); | |
450 | } | |
451 | } | |
452 | ||
453 | std::shared_ptr<Session> MainWindow::get_tab_session(int index) const | |
454 | { | |
455 | // Find the session that belongs to the tab's main window | |
456 | for (auto entry : session_windows_) | |
457 | if (entry.second == session_selector_.widget(index)) | |
458 | return entry.first; | |
459 | ||
460 | return nullptr; | |
461 | } | |
462 | ||
463 | void MainWindow::closeEvent(QCloseEvent *event) | |
464 | { | |
465 | save_ui_settings(); | |
466 | event->accept(); | |
467 | } | |
468 | ||
469 | QMenu* MainWindow::createPopupMenu() | |
470 | { | |
471 | return nullptr; | |
472 | } | |
473 | ||
474 | bool MainWindow::restoreState(const QByteArray &state, int version) | |
475 | { | |
476 | (void)state; | |
477 | (void)version; | |
478 | ||
479 | // Do nothing. We don't want Qt to handle this, or else it | |
480 | // will try to restore all the dock widgets and create havoc. | |
481 | ||
482 | return false; | |
483 | } | |
484 | ||
485 | void MainWindow::session_error(const QString text, const QString info_text) | |
486 | { | |
487 | QMetaObject::invokeMethod(this, "show_session_error", | |
488 | Qt::QueuedConnection, Q_ARG(QString, text), | |
489 | Q_ARG(QString, info_text)); | |
490 | } | |
491 | ||
492 | void MainWindow::show_session_error(const QString text, const QString info_text) | |
493 | { | |
494 | QMessageBox msg(this); | |
495 | msg.setText(text); | |
496 | msg.setInformativeText(info_text); | |
497 | msg.setStandardButtons(QMessageBox::Ok); | |
498 | msg.setIcon(QMessageBox::Warning); | |
499 | msg.exec(); | |
500 | } | |
501 | ||
502 | void MainWindow::on_add_view(const QString &title, views::ViewType type, | |
503 | Session *session) | |
504 | { | |
505 | // We get a pointer and need a reference | |
506 | for (std::shared_ptr<Session> s : sessions_) | |
507 | if (s.get() == session) | |
508 | add_view(title, type, *s); | |
509 | } | |
510 | ||
511 | void MainWindow::on_focus_changed() | |
512 | { | |
513 | shared_ptr<views::ViewBase> view = get_active_view(); | |
514 | ||
515 | if (view) { | |
516 | for (shared_ptr<Session> session : sessions_) { | |
517 | if (session->has_view(view)) { | |
518 | if (session != last_focused_session_) { | |
519 | // Activate correct tab if necessary | |
520 | shared_ptr<Session> tab_session = get_tab_session( | |
521 | session_selector_.currentIndex()); | |
522 | if (tab_session != session) | |
523 | session_selector_.setCurrentWidget( | |
524 | session_windows_.at(session)); | |
525 | ||
526 | on_focused_session_changed(session); | |
527 | } | |
528 | ||
529 | break; | |
530 | } | |
531 | } | |
532 | } | |
533 | ||
534 | if (sessions_.empty()) | |
535 | setWindowTitle(WindowTitle); | |
536 | } | |
537 | ||
538 | void MainWindow::on_focused_session_changed(shared_ptr<Session> session) | |
539 | { | |
540 | last_focused_session_ = session; | |
541 | ||
542 | setWindowTitle(session->name() + " - " + WindowTitle); | |
543 | ||
544 | // Update the state of the run/stop button, too | |
545 | on_capture_state_changed(session.get()); | |
546 | } | |
547 | ||
548 | void MainWindow::on_new_session_clicked() | |
549 | { | |
550 | add_session(); | |
551 | } | |
552 | ||
553 | void MainWindow::on_run_stop_clicked() | |
554 | { | |
555 | shared_ptr<Session> session = last_focused_session_; | |
556 | ||
557 | if (!session) | |
558 | return; | |
559 | ||
560 | switch (session->get_capture_state()) { | |
561 | case Session::Stopped: | |
562 | session->start_capture([&](QString message) { | |
563 | session_error("Capture failed", message); }); | |
564 | break; | |
565 | case Session::AwaitingTrigger: | |
566 | case Session::Running: | |
567 | session->stop_capture(); | |
568 | break; | |
569 | } | |
570 | } | |
571 | ||
572 | void MainWindow::on_session_name_changed() | |
573 | { | |
574 | // Update the corresponding dock widget's name(s) | |
575 | Session *session = qobject_cast<Session*>(QObject::sender()); | |
576 | assert(session); | |
577 | ||
578 | for (shared_ptr<views::ViewBase> view : session->views()) { | |
579 | // Get the dock that contains the view | |
580 | for (auto entry : view_docks_) | |
581 | if (entry.second == view) { | |
582 | entry.first->setObjectName(session->name()); | |
583 | entry.first->setWindowTitle(session->name()); | |
584 | } | |
585 | } | |
586 | ||
587 | // Update the tab widget by finding the main window and the tab from that | |
588 | for (auto entry : session_windows_) | |
589 | if (entry.first.get() == session) { | |
590 | QMainWindow *window = entry.second; | |
591 | const int index = session_selector_.indexOf(window); | |
592 | session_selector_.setTabText(index, session->name()); | |
593 | } | |
594 | ||
595 | // Refresh window title if the affected session has focus | |
596 | if (session == last_focused_session_.get()) | |
597 | setWindowTitle(session->name() + " - " + WindowTitle); | |
598 | } | |
599 | ||
600 | void MainWindow::on_capture_state_changed(QObject *obj) | |
601 | { | |
602 | Session *caller = qobject_cast<Session*>(obj); | |
603 | ||
604 | // Ignore if caller is not the currently focused session | |
605 | // unless there is only one session | |
606 | if ((sessions_.size() > 1) && (caller != last_focused_session_.get())) | |
607 | return; | |
608 | ||
609 | int state = caller->get_capture_state(); | |
610 | ||
611 | const QIcon *icons[] = {&icon_grey_, &icon_red_, &icon_green_}; | |
612 | run_stop_button_->setIcon(*icons[state]); | |
613 | run_stop_button_->setText((state == pv::Session::Stopped) ? | |
614 | tr("Run") : tr("Stop")); | |
615 | } | |
616 | ||
617 | void MainWindow::on_new_view(Session *session) | |
618 | { | |
619 | // We get a pointer and need a reference | |
620 | for (std::shared_ptr<Session> s : sessions_) | |
621 | if (s.get() == session) | |
622 | add_view(session->name(), views::ViewTypeTrace, *s); | |
623 | } | |
624 | ||
625 | void MainWindow::on_view_close_clicked() | |
626 | { | |
627 | // Find the dock widget that contains the close button that was clicked | |
628 | QObject *w = QObject::sender(); | |
629 | QDockWidget *dock = 0; | |
630 | ||
631 | while (w) { | |
632 | dock = qobject_cast<QDockWidget*>(w); | |
633 | if (dock) | |
634 | break; | |
635 | w = w->parent(); | |
636 | } | |
637 | ||
638 | // Get the view contained in the dock widget | |
639 | shared_ptr<views::ViewBase> view; | |
640 | ||
641 | for (auto entry : view_docks_) | |
642 | if (entry.first == dock) | |
643 | view = entry.second; | |
644 | ||
645 | // Deregister the view | |
646 | for (shared_ptr<Session> session : sessions_) { | |
647 | if (!session->has_view(view)) | |
648 | continue; | |
649 | ||
650 | // Also destroy the entire session if its main view is closing | |
651 | if (view == session->main_view()) { | |
652 | remove_session(session); | |
653 | break; | |
654 | } else | |
655 | session->deregister_view(view); | |
656 | } | |
657 | } | |
658 | ||
659 | void MainWindow::on_tab_changed(int index) | |
660 | { | |
661 | shared_ptr<Session> session = get_tab_session(index); | |
662 | ||
663 | if (session) | |
664 | on_focused_session_changed(session); | |
665 | } | |
666 | ||
667 | void MainWindow::on_tab_close_requested(int index) | |
668 | { | |
669 | // TODO Ask user if this is intended in case data is unsaved | |
670 | ||
671 | shared_ptr<Session> session = get_tab_session(index); | |
672 | ||
673 | if (session) | |
674 | remove_session(session); | |
675 | } | |
676 | ||
677 | void MainWindow::on_actionViewStickyScrolling_triggered() | |
678 | { | |
679 | shared_ptr<views::ViewBase> viewbase = get_active_view(); | |
680 | views::TraceView::View* view = | |
681 | qobject_cast<views::TraceView::View*>(viewbase.get()); | |
682 | if (view) | |
683 | view->enable_sticky_scrolling(action_view_sticky_scrolling_->isChecked()); | |
684 | } | |
685 | ||
686 | void MainWindow::on_actionViewColouredBg_triggered() | |
687 | { | |
688 | shared_ptr<views::ViewBase> viewbase = get_active_view(); | |
689 | views::TraceView::View* view = | |
690 | qobject_cast<views::TraceView::View*>(viewbase.get()); | |
691 | if (view) | |
692 | view->enable_coloured_bg(action_view_coloured_bg_->isChecked()); | |
693 | } | |
694 | ||
695 | void MainWindow::on_actionAbout_triggered() | |
696 | { | |
697 | dialogs::About dlg(device_manager_.context(), this); | |
698 | dlg.exec(); | |
699 | } | |
700 | ||
701 | } // namespace pv |