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1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #ifdef ENABLE_DECODE | |
21 | #include <libsigrokdecode/libsigrokdecode.h> | |
22 | #endif | |
23 | ||
24 | #include <algorithm> | |
25 | #include <cassert> | |
26 | #include <cstdarg> | |
27 | #include <cstdint> | |
28 | #include <iterator> | |
29 | ||
30 | #include <QAction> | |
31 | #include <QApplication> | |
32 | #include <QCloseEvent> | |
33 | #include <QDebug> | |
34 | #include <QDockWidget> | |
35 | #include <QHBoxLayout> | |
36 | #include <QMessageBox> | |
37 | #include <QSettings> | |
38 | #include <QShortcut> | |
39 | #include <QWidget> | |
40 | ||
41 | #include "mainwindow.hpp" | |
42 | ||
43 | #include "devicemanager.hpp" | |
44 | #include "devices/hardwaredevice.hpp" | |
45 | #include "dialogs/settings.hpp" | |
46 | #include "globalsettings.hpp" | |
47 | #include "toolbars/mainbar.hpp" | |
48 | #include "util.hpp" | |
49 | #include "views/trace/view.hpp" | |
50 | #include "views/trace/standardbar.hpp" | |
51 | ||
52 | #ifdef ENABLE_DECODE | |
53 | #include "subwindows/decoder_selector/subwindow.hpp" | |
54 | #include "views/decoder_output/view.hpp" | |
55 | #endif | |
56 | ||
57 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
58 | ||
59 | using std::dynamic_pointer_cast; | |
60 | using std::make_shared; | |
61 | using std::shared_ptr; | |
62 | using std::string; | |
63 | ||
64 | namespace pv { | |
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 | setup_ui(); | |
80 | restore_ui_settings(); | |
81 | } | |
82 | ||
83 | MainWindow::~MainWindow() | |
84 | { | |
85 | // Make sure we no longer hold any shared pointers to widgets after the | |
86 | // destructor finishes (goes for sessions and sub windows alike) | |
87 | ||
88 | while (!sessions_.empty()) | |
89 | remove_session(sessions_.front()); | |
90 | ||
91 | sub_windows_.clear(); | |
92 | } | |
93 | ||
94 | void MainWindow::show_session_error(const QString text, const QString info_text) | |
95 | { | |
96 | // TODO Emulate noquote() | |
97 | qDebug() << "Notifying user of session error:" << info_text; | |
98 | ||
99 | QMessageBox msg; | |
100 | msg.setText(text + "\n\n" + info_text); | |
101 | msg.setStandardButtons(QMessageBox::Ok); | |
102 | msg.setIcon(QMessageBox::Warning); | |
103 | msg.exec(); | |
104 | } | |
105 | ||
106 | shared_ptr<views::ViewBase> MainWindow::get_active_view() const | |
107 | { | |
108 | // If there's only one view, use it... | |
109 | if (view_docks_.size() == 1) | |
110 | return view_docks_.begin()->second; | |
111 | ||
112 | // ...otherwise find the dock widget the widget with focus is contained in | |
113 | QObject *w = QApplication::focusWidget(); | |
114 | QDockWidget *dock = nullptr; | |
115 | ||
116 | while (w) { | |
117 | dock = qobject_cast<QDockWidget*>(w); | |
118 | if (dock) | |
119 | break; | |
120 | w = w->parent(); | |
121 | } | |
122 | ||
123 | // Get the view contained in the dock widget | |
124 | for (auto& entry : view_docks_) | |
125 | if (entry.first == dock) | |
126 | return entry.second; | |
127 | ||
128 | return nullptr; | |
129 | } | |
130 | ||
131 | shared_ptr<views::ViewBase> MainWindow::add_view(views::ViewType type, | |
132 | Session &session) | |
133 | { | |
134 | GlobalSettings settings; | |
135 | shared_ptr<views::ViewBase> v; | |
136 | ||
137 | QMainWindow *main_window = nullptr; | |
138 | for (auto& entry : session_windows_) | |
139 | if (entry.first.get() == &session) | |
140 | main_window = entry.second; | |
141 | ||
142 | assert(main_window); | |
143 | ||
144 | shared_ptr<MainBar> main_bar = session.main_bar(); | |
145 | ||
146 | // Only use the view type in the name if it's not the main view | |
147 | QString title; | |
148 | if (main_bar) | |
149 | title = QString("%1 (%2)").arg(session.name()).arg(views::ViewTypeNames[type]); | |
150 | else | |
151 | title = session.name(); | |
152 | ||
153 | QDockWidget* dock = new QDockWidget(title, main_window); | |
154 | dock->setObjectName(title); | |
155 | main_window->addDockWidget(Qt::TopDockWidgetArea, dock); | |
156 | ||
157 | // Insert a QMainWindow into the dock widget to allow for a tool bar | |
158 | QMainWindow *dock_main = new QMainWindow(dock); | |
159 | dock_main->setWindowFlags(Qt::Widget); // Remove Qt::Window flag | |
160 | ||
161 | if (type == views::ViewTypeTrace) | |
162 | // This view will be the main view if there's no main bar yet | |
163 | v = make_shared<views::trace::View>(session, (main_bar ? false : true), dock_main); | |
164 | #ifdef ENABLE_DECODE | |
165 | if (type == views::ViewTypeDecoderOutput) | |
166 | v = make_shared<views::decoder_output::View>(session, false, dock_main); | |
167 | #endif | |
168 | ||
169 | if (!v) | |
170 | return nullptr; | |
171 | ||
172 | view_docks_[dock] = v; | |
173 | session.register_view(v); | |
174 | ||
175 | dock_main->setCentralWidget(v.get()); | |
176 | dock->setWidget(dock_main); | |
177 | ||
178 | dock->setContextMenuPolicy(Qt::PreventContextMenu); | |
179 | dock->setFeatures(QDockWidget::DockWidgetMovable | | |
180 | QDockWidget::DockWidgetFloatable | QDockWidget::DockWidgetClosable); | |
181 | ||
182 | QAbstractButton *close_btn = | |
183 | dock->findChildren<QAbstractButton*>("qt_dockwidget_closebutton") // clazy:exclude=detaching-temporary | |
184 | .front(); | |
185 | ||
186 | connect(close_btn, SIGNAL(clicked(bool)), | |
187 | this, SLOT(on_view_close_clicked())); | |
188 | ||
189 | connect(&session, SIGNAL(trigger_event(int, util::Timestamp)), | |
190 | qobject_cast<views::ViewBase*>(v.get()), | |
191 | SLOT(trigger_event(int, util::Timestamp))); | |
192 | ||
193 | if (type == views::ViewTypeTrace) { | |
194 | views::trace::View *tv = | |
195 | qobject_cast<views::trace::View*>(v.get()); | |
196 | ||
197 | if (!main_bar) { | |
198 | /* Initial view, create the main bar */ | |
199 | main_bar = make_shared<MainBar>(session, this, tv); | |
200 | dock_main->addToolBar(main_bar.get()); | |
201 | session.set_main_bar(main_bar); | |
202 | ||
203 | connect(main_bar.get(), SIGNAL(new_view(Session*, int)), | |
204 | this, SLOT(on_new_view(Session*, int))); | |
205 | connect(main_bar.get(), SIGNAL(show_decoder_selector(Session*)), | |
206 | this, SLOT(on_show_decoder_selector(Session*))); | |
207 | ||
208 | main_bar->action_view_show_cursors()->setChecked(tv->cursors_shown()); | |
209 | ||
210 | /* For the main view we need to prevent the dock widget from | |
211 | * closing itself when its close button is clicked. This is | |
212 | * so we can confirm with the user first. Regular views don't | |
213 | * need this */ | |
214 | close_btn->disconnect(SIGNAL(clicked()), dock, SLOT(close())); | |
215 | } else { | |
216 | /* Additional view, create a standard bar */ | |
217 | pv::views::trace::StandardBar *standard_bar = | |
218 | new pv::views::trace::StandardBar(session, this, tv); | |
219 | dock_main->addToolBar(standard_bar); | |
220 | ||
221 | standard_bar->action_view_show_cursors()->setChecked(tv->cursors_shown()); | |
222 | } | |
223 | } | |
224 | ||
225 | return v; | |
226 | } | |
227 | ||
228 | void MainWindow::remove_view(shared_ptr<views::ViewBase> view) | |
229 | { | |
230 | for (shared_ptr<Session> session : sessions_) { | |
231 | if (!session->has_view(view)) | |
232 | continue; | |
233 | ||
234 | // Find the dock the view is contained in and remove it | |
235 | for (auto& entry : view_docks_) | |
236 | if (entry.second == view) { | |
237 | // Remove the view from the session | |
238 | session->deregister_view(view); | |
239 | ||
240 | // Remove the view from its parent; otherwise, Qt will | |
241 | // call deleteLater() on it, which causes a double free | |
242 | // since the shared_ptr in view_docks_ doesn't know | |
243 | // that Qt keeps a pointer to the view around | |
244 | view->setParent(nullptr); | |
245 | ||
246 | // Delete the view's dock widget and all widgets inside it | |
247 | entry.first->deleteLater(); | |
248 | ||
249 | // Remove the dock widget from the list and stop iterating | |
250 | view_docks_.erase(entry.first); | |
251 | break; | |
252 | } | |
253 | } | |
254 | } | |
255 | ||
256 | shared_ptr<subwindows::SubWindowBase> MainWindow::add_subwindow( | |
257 | subwindows::SubWindowType type, Session &session) | |
258 | { | |
259 | GlobalSettings settings; | |
260 | shared_ptr<subwindows::SubWindowBase> v; | |
261 | ||
262 | QMainWindow *main_window = nullptr; | |
263 | for (auto& entry : session_windows_) | |
264 | if (entry.first.get() == &session) | |
265 | main_window = entry.second; | |
266 | ||
267 | assert(main_window); | |
268 | ||
269 | QString title = ""; | |
270 | ||
271 | switch (type) { | |
272 | #ifdef ENABLE_DECODE | |
273 | case subwindows::SubWindowTypeDecoderSelector: | |
274 | title = tr("Decoder Selector"); | |
275 | break; | |
276 | #endif | |
277 | default: | |
278 | break; | |
279 | } | |
280 | ||
281 | QDockWidget* dock = new QDockWidget(title, main_window); | |
282 | dock->setObjectName(title); | |
283 | main_window->addDockWidget(Qt::TopDockWidgetArea, dock); | |
284 | ||
285 | // Insert a QMainWindow into the dock widget to allow for a tool bar | |
286 | QMainWindow *dock_main = new QMainWindow(dock); | |
287 | dock_main->setWindowFlags(Qt::Widget); // Remove Qt::Window flag | |
288 | ||
289 | #ifdef ENABLE_DECODE | |
290 | if (type == subwindows::SubWindowTypeDecoderSelector) | |
291 | v = make_shared<subwindows::decoder_selector::SubWindow>(session, dock_main); | |
292 | #endif | |
293 | ||
294 | if (!v) | |
295 | return nullptr; | |
296 | ||
297 | sub_windows_[dock] = v; | |
298 | dock_main->setCentralWidget(v.get()); | |
299 | dock->setWidget(dock_main); | |
300 | ||
301 | dock->setContextMenuPolicy(Qt::PreventContextMenu); | |
302 | dock->setFeatures(QDockWidget::DockWidgetMovable | | |
303 | QDockWidget::DockWidgetFloatable | QDockWidget::DockWidgetClosable); | |
304 | ||
305 | QAbstractButton *close_btn = | |
306 | dock->findChildren<QAbstractButton*> // clazy:exclude=detaching-temporary | |
307 | ("qt_dockwidget_closebutton").front(); | |
308 | ||
309 | connect(close_btn, SIGNAL(clicked(bool)), | |
310 | this, SLOT(on_sub_window_close_clicked())); | |
311 | ||
312 | if (v->has_toolbar()) | |
313 | dock_main->addToolBar(v->create_toolbar(dock_main)); | |
314 | ||
315 | if (v->minimum_width() > 0) | |
316 | dock->setMinimumSize(v->minimum_width(), 0); | |
317 | ||
318 | return v; | |
319 | } | |
320 | ||
321 | shared_ptr<Session> MainWindow::add_session() | |
322 | { | |
323 | static int last_session_id = 1; | |
324 | QString name = tr("Session %1").arg(last_session_id++); | |
325 | ||
326 | shared_ptr<Session> session = make_shared<Session>(device_manager_, name); | |
327 | ||
328 | connect(session.get(), SIGNAL(add_view(views::ViewType, Session*)), | |
329 | this, SLOT(on_add_view(views::ViewType, Session*))); | |
330 | connect(session.get(), SIGNAL(name_changed()), | |
331 | this, SLOT(on_session_name_changed())); | |
332 | session_state_mapper_.setMapping(session.get(), session.get()); | |
333 | connect(session.get(), SIGNAL(capture_state_changed(int)), | |
334 | &session_state_mapper_, SLOT(map())); | |
335 | ||
336 | sessions_.push_back(session); | |
337 | ||
338 | QMainWindow *window = new QMainWindow(); | |
339 | window->setWindowFlags(Qt::Widget); // Remove Qt::Window flag | |
340 | session_windows_[session] = window; | |
341 | ||
342 | int index = session_selector_.addTab(window, name); | |
343 | session_selector_.setCurrentIndex(index); | |
344 | last_focused_session_ = session; | |
345 | ||
346 | window->setDockNestingEnabled(true); | |
347 | ||
348 | shared_ptr<views::ViewBase> main_view = add_view(views::ViewTypeTrace, *session); | |
349 | ||
350 | return session; | |
351 | } | |
352 | ||
353 | void MainWindow::remove_session(shared_ptr<Session> session) | |
354 | { | |
355 | // Determine the height of the button before it collapses | |
356 | int h = new_session_button_->height(); | |
357 | ||
358 | // Stop capture while the session still exists so that the UI can be | |
359 | // updated in case we're currently running. If so, this will schedule a | |
360 | // call to our on_capture_state_changed() slot for the next run of the | |
361 | // event loop. We need to have this executed immediately or else it will | |
362 | // be dismissed since the session object will be deleted by the time we | |
363 | // leave this method and the event loop gets a chance to run again. | |
364 | session->stop_capture(); | |
365 | QApplication::processEvents(); | |
366 | ||
367 | for (const shared_ptr<views::ViewBase>& view : session->views()) | |
368 | remove_view(view); | |
369 | ||
370 | QMainWindow *window = session_windows_.at(session); | |
371 | session_selector_.removeTab(session_selector_.indexOf(window)); | |
372 | ||
373 | session_windows_.erase(session); | |
374 | ||
375 | if (last_focused_session_ == session) | |
376 | last_focused_session_.reset(); | |
377 | ||
378 | // Remove the session from our list of sessions (which also destroys it) | |
379 | sessions_.remove_if([&](shared_ptr<Session> s) { | |
380 | return s == session; }); | |
381 | ||
382 | if (sessions_.empty()) { | |
383 | // When there are no more tabs, the height of the QTabWidget | |
384 | // drops to zero. We must prevent this to keep the static | |
385 | // widgets visible | |
386 | for (QWidget *w : static_tab_widget_->findChildren<QWidget*>()) // clazy:exclude=range-loop | |
387 | w->setMinimumHeight(h); | |
388 | ||
389 | int margin = static_tab_widget_->layout()->contentsMargins().bottom(); | |
390 | static_tab_widget_->setMinimumHeight(h + 2 * margin); | |
391 | session_selector_.setMinimumHeight(h + 2 * margin); | |
392 | ||
393 | // Update the window title if there is no view left to | |
394 | // generate focus change events | |
395 | setWindowTitle(WindowTitle); | |
396 | } | |
397 | } | |
398 | ||
399 | void MainWindow::add_session_with_file(string open_file_name, | |
400 | string open_file_format, string open_setup_file_name) | |
401 | { | |
402 | shared_ptr<Session> session = add_session(); | |
403 | session->load_init_file(open_file_name, open_file_format, open_setup_file_name); | |
404 | } | |
405 | ||
406 | void MainWindow::add_default_session() | |
407 | { | |
408 | // Only add the default session if there would be no session otherwise | |
409 | if (sessions_.size() > 0) | |
410 | return; | |
411 | ||
412 | shared_ptr<Session> session = add_session(); | |
413 | ||
414 | // Check the list of available devices. Prefer the one that was | |
415 | // found with user supplied scan specs (if applicable). Then try | |
416 | // one of the auto detected devices that are not the demo device. | |
417 | // Pick demo in the absence of "genuine" hardware devices. | |
418 | shared_ptr<devices::HardwareDevice> user_device, other_device, demo_device; | |
419 | for (const shared_ptr<devices::HardwareDevice>& dev : device_manager_.devices()) { | |
420 | if (dev == device_manager_.user_spec_device()) { | |
421 | user_device = dev; | |
422 | } else if (dev->hardware_device()->driver()->name() == "demo") { | |
423 | demo_device = dev; | |
424 | } else { | |
425 | other_device = dev; | |
426 | } | |
427 | } | |
428 | if (user_device) | |
429 | session->select_device(user_device); | |
430 | else if (other_device) | |
431 | session->select_device(other_device); | |
432 | else | |
433 | session->select_device(demo_device); | |
434 | } | |
435 | ||
436 | void MainWindow::save_sessions() | |
437 | { | |
438 | QSettings settings; | |
439 | int id = 0; | |
440 | ||
441 | for (shared_ptr<Session>& session : sessions_) { | |
442 | // Ignore sessions using the demo device or no device at all | |
443 | if (session->device()) { | |
444 | shared_ptr<devices::HardwareDevice> device = | |
445 | dynamic_pointer_cast< devices::HardwareDevice > | |
446 | (session->device()); | |
447 | ||
448 | if (device && | |
449 | device->hardware_device()->driver()->name() == "demo") | |
450 | continue; | |
451 | ||
452 | settings.beginGroup("Session" + QString::number(id++)); | |
453 | settings.remove(""); // Remove all keys in this group | |
454 | session->save_settings(settings); | |
455 | settings.endGroup(); | |
456 | } | |
457 | } | |
458 | ||
459 | settings.setValue("sessions", id); | |
460 | } | |
461 | ||
462 | void MainWindow::restore_sessions() | |
463 | { | |
464 | QSettings settings; | |
465 | int i, session_count; | |
466 | ||
467 | session_count = settings.value("sessions", 0).toInt(); | |
468 | ||
469 | for (i = 0; i < session_count; i++) { | |
470 | settings.beginGroup("Session" + QString::number(i)); | |
471 | shared_ptr<Session> session = add_session(); | |
472 | session->restore_settings(settings); | |
473 | settings.endGroup(); | |
474 | } | |
475 | } | |
476 | ||
477 | void MainWindow::setup_ui() | |
478 | { | |
479 | setObjectName(QString::fromUtf8("MainWindow")); | |
480 | ||
481 | setCentralWidget(&session_selector_); | |
482 | ||
483 | // Set the window icon | |
484 | QIcon icon; | |
485 | icon.addFile(QString(":/icons/pulseview.png")); | |
486 | setWindowIcon(icon); | |
487 | ||
488 | // Set up keyboard shortcuts that affect all views at once | |
489 | view_sticky_scrolling_shortcut_ = new QShortcut(QKeySequence(Qt::Key_S), this, SLOT(on_view_sticky_scrolling_shortcut())); | |
490 | view_sticky_scrolling_shortcut_->setAutoRepeat(false); | |
491 | ||
492 | view_show_sampling_points_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Period), this, SLOT(on_view_show_sampling_points_shortcut())); | |
493 | view_show_sampling_points_shortcut_->setAutoRepeat(false); | |
494 | ||
495 | view_show_analog_minor_grid_shortcut_ = new QShortcut(QKeySequence(Qt::Key_G), this, SLOT(on_view_show_analog_minor_grid_shortcut())); | |
496 | view_show_analog_minor_grid_shortcut_->setAutoRepeat(false); | |
497 | ||
498 | view_colored_bg_shortcut_ = new QShortcut(QKeySequence(Qt::Key_B), this, SLOT(on_view_colored_bg_shortcut())); | |
499 | view_colored_bg_shortcut_->setAutoRepeat(false); | |
500 | ||
501 | // Set up the tab area | |
502 | new_session_button_ = new QToolButton(); | |
503 | new_session_button_->setIcon(QIcon::fromTheme("document-new", | |
504 | QIcon(":/icons/document-new.png"))); | |
505 | new_session_button_->setToolTip(tr("Create New Session")); | |
506 | new_session_button_->setAutoRaise(true); | |
507 | ||
508 | run_stop_button_ = new QToolButton(); | |
509 | run_stop_button_->setAutoRaise(true); | |
510 | run_stop_button_->setToolButtonStyle(Qt::ToolButtonTextBesideIcon); | |
511 | run_stop_button_->setToolTip(tr("Start/Stop Acquisition")); | |
512 | ||
513 | run_stop_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Space), run_stop_button_, SLOT(click())); | |
514 | run_stop_shortcut_->setAutoRepeat(false); | |
515 | ||
516 | settings_button_ = new QToolButton(); | |
517 | settings_button_->setIcon(QIcon::fromTheme("preferences-system", | |
518 | QIcon(":/icons/preferences-system.png"))); | |
519 | settings_button_->setToolTip(tr("Settings")); | |
520 | settings_button_->setAutoRaise(true); | |
521 | ||
522 | QFrame *separator1 = new QFrame(); | |
523 | separator1->setFrameStyle(QFrame::VLine | QFrame::Raised); | |
524 | QFrame *separator2 = new QFrame(); | |
525 | separator2->setFrameStyle(QFrame::VLine | QFrame::Raised); | |
526 | ||
527 | QHBoxLayout* layout = new QHBoxLayout(); | |
528 | layout->setContentsMargins(2, 2, 2, 2); | |
529 | layout->addWidget(new_session_button_); | |
530 | layout->addWidget(separator1); | |
531 | layout->addWidget(run_stop_button_); | |
532 | layout->addWidget(separator2); | |
533 | layout->addWidget(settings_button_); | |
534 | ||
535 | static_tab_widget_ = new QWidget(); | |
536 | static_tab_widget_->setLayout(layout); | |
537 | ||
538 | session_selector_.setCornerWidget(static_tab_widget_, Qt::TopLeftCorner); | |
539 | session_selector_.setTabsClosable(true); | |
540 | ||
541 | close_application_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q), this, SLOT(close())); | |
542 | close_application_shortcut_->setAutoRepeat(false); | |
543 | ||
544 | close_current_tab_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_W), this, SLOT(on_close_current_tab())); | |
545 | ||
546 | connect(new_session_button_, SIGNAL(clicked(bool)), | |
547 | this, SLOT(on_new_session_clicked())); | |
548 | connect(run_stop_button_, SIGNAL(clicked(bool)), | |
549 | this, SLOT(on_run_stop_clicked())); | |
550 | connect(&session_state_mapper_, SIGNAL(mapped(QObject*)), | |
551 | this, SLOT(on_capture_state_changed(QObject*))); | |
552 | connect(settings_button_, SIGNAL(clicked(bool)), | |
553 | this, SLOT(on_settings_clicked())); | |
554 | ||
555 | connect(&session_selector_, SIGNAL(tabCloseRequested(int)), | |
556 | this, SLOT(on_tab_close_requested(int))); | |
557 | connect(&session_selector_, SIGNAL(currentChanged(int)), | |
558 | this, SLOT(on_tab_changed(int))); | |
559 | ||
560 | ||
561 | connect(static_cast<QApplication *>(QCoreApplication::instance()), | |
562 | SIGNAL(focusChanged(QWidget*, QWidget*)), | |
563 | this, SLOT(on_focus_changed())); | |
564 | } | |
565 | ||
566 | void MainWindow::save_ui_settings() | |
567 | { | |
568 | QSettings settings; | |
569 | ||
570 | settings.beginGroup("MainWindow"); | |
571 | settings.setValue("state", saveState()); | |
572 | settings.setValue("geometry", saveGeometry()); | |
573 | settings.endGroup(); | |
574 | } | |
575 | ||
576 | void MainWindow::restore_ui_settings() | |
577 | { | |
578 | QSettings settings; | |
579 | ||
580 | settings.beginGroup("MainWindow"); | |
581 | ||
582 | if (settings.contains("geometry")) { | |
583 | restoreGeometry(settings.value("geometry").toByteArray()); | |
584 | restoreState(settings.value("state").toByteArray()); | |
585 | } else | |
586 | resize(1000, 720); | |
587 | ||
588 | settings.endGroup(); | |
589 | } | |
590 | ||
591 | shared_ptr<Session> MainWindow::get_tab_session(int index) const | |
592 | { | |
593 | // Find the session that belongs to the tab's main window | |
594 | for (auto& entry : session_windows_) | |
595 | if (entry.second == session_selector_.widget(index)) | |
596 | return entry.first; | |
597 | ||
598 | return nullptr; | |
599 | } | |
600 | ||
601 | void MainWindow::closeEvent(QCloseEvent *event) | |
602 | { | |
603 | bool data_saved = true; | |
604 | ||
605 | for (auto& entry : session_windows_) | |
606 | if (!entry.first->data_saved()) | |
607 | data_saved = false; | |
608 | ||
609 | if (!data_saved && (QMessageBox::question(this, tr("Confirmation"), | |
610 | tr("There is unsaved data. Close anyway?"), | |
611 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::No)) { | |
612 | event->ignore(); | |
613 | } else { | |
614 | save_ui_settings(); | |
615 | save_sessions(); | |
616 | event->accept(); | |
617 | } | |
618 | } | |
619 | ||
620 | QMenu* MainWindow::createPopupMenu() | |
621 | { | |
622 | return nullptr; | |
623 | } | |
624 | ||
625 | bool MainWindow::restoreState(const QByteArray &state, int version) | |
626 | { | |
627 | (void)state; | |
628 | (void)version; | |
629 | ||
630 | // Do nothing. We don't want Qt to handle this, or else it | |
631 | // will try to restore all the dock widgets and create havoc. | |
632 | ||
633 | return false; | |
634 | } | |
635 | ||
636 | void MainWindow::on_add_view(views::ViewType type, Session *session) | |
637 | { | |
638 | // We get a pointer and need a reference | |
639 | for (shared_ptr<Session>& s : sessions_) | |
640 | if (s.get() == session) | |
641 | add_view(type, *s); | |
642 | } | |
643 | ||
644 | void MainWindow::on_focus_changed() | |
645 | { | |
646 | shared_ptr<views::ViewBase> view = get_active_view(); | |
647 | ||
648 | if (view) { | |
649 | for (shared_ptr<Session> session : sessions_) { | |
650 | if (session->has_view(view)) { | |
651 | if (session != last_focused_session_) { | |
652 | // Activate correct tab if necessary | |
653 | shared_ptr<Session> tab_session = get_tab_session( | |
654 | session_selector_.currentIndex()); | |
655 | if (tab_session != session) | |
656 | session_selector_.setCurrentWidget( | |
657 | session_windows_.at(session)); | |
658 | ||
659 | on_focused_session_changed(session); | |
660 | } | |
661 | ||
662 | break; | |
663 | } | |
664 | } | |
665 | } | |
666 | ||
667 | if (sessions_.empty()) | |
668 | setWindowTitle(WindowTitle); | |
669 | } | |
670 | ||
671 | void MainWindow::on_focused_session_changed(shared_ptr<Session> session) | |
672 | { | |
673 | last_focused_session_ = session; | |
674 | ||
675 | setWindowTitle(session->name() + " - " + WindowTitle); | |
676 | ||
677 | // Update the state of the run/stop button, too | |
678 | on_capture_state_changed(session.get()); | |
679 | } | |
680 | ||
681 | void MainWindow::on_new_session_clicked() | |
682 | { | |
683 | add_session(); | |
684 | } | |
685 | ||
686 | void MainWindow::on_run_stop_clicked() | |
687 | { | |
688 | shared_ptr<Session> session = last_focused_session_; | |
689 | ||
690 | if (!session) | |
691 | return; | |
692 | ||
693 | switch (session->get_capture_state()) { | |
694 | case Session::Stopped: | |
695 | session->start_capture([&](QString message) { | |
696 | show_session_error("Capture failed", message); }); | |
697 | break; | |
698 | case Session::AwaitingTrigger: | |
699 | case Session::Running: | |
700 | session->stop_capture(); | |
701 | break; | |
702 | } | |
703 | } | |
704 | ||
705 | void MainWindow::on_settings_clicked() | |
706 | { | |
707 | dialogs::Settings dlg(device_manager_); | |
708 | dlg.exec(); | |
709 | } | |
710 | ||
711 | void MainWindow::on_session_name_changed() | |
712 | { | |
713 | // Update the corresponding dock widget's name(s) | |
714 | Session *session = qobject_cast<Session*>(QObject::sender()); | |
715 | assert(session); | |
716 | ||
717 | for (const shared_ptr<views::ViewBase>& view : session->views()) { | |
718 | // Get the dock that contains the view | |
719 | for (auto& entry : view_docks_) | |
720 | if (entry.second == view) { | |
721 | entry.first->setObjectName(session->name()); | |
722 | entry.first->setWindowTitle(session->name()); | |
723 | } | |
724 | } | |
725 | ||
726 | // Update the tab widget by finding the main window and the tab from that | |
727 | for (auto& entry : session_windows_) | |
728 | if (entry.first.get() == session) { | |
729 | QMainWindow *window = entry.second; | |
730 | const int index = session_selector_.indexOf(window); | |
731 | session_selector_.setTabText(index, session->name()); | |
732 | } | |
733 | ||
734 | // Refresh window title if the affected session has focus | |
735 | if (session == last_focused_session_.get()) | |
736 | setWindowTitle(session->name() + " - " + WindowTitle); | |
737 | } | |
738 | ||
739 | void MainWindow::on_capture_state_changed(QObject *obj) | |
740 | { | |
741 | Session *caller = qobject_cast<Session*>(obj); | |
742 | ||
743 | // Ignore if caller is not the currently focused session | |
744 | // unless there is only one session | |
745 | if ((sessions_.size() > 1) && (caller != last_focused_session_.get())) | |
746 | return; | |
747 | ||
748 | int state = caller->get_capture_state(); | |
749 | ||
750 | const QIcon *icons[] = {&icon_grey_, &icon_red_, &icon_green_}; | |
751 | run_stop_button_->setIcon(*icons[state]); | |
752 | run_stop_button_->setText((state == pv::Session::Stopped) ? | |
753 | tr("Run") : tr("Stop")); | |
754 | } | |
755 | ||
756 | void MainWindow::on_new_view(Session *session, int view_type) | |
757 | { | |
758 | // We get a pointer and need a reference | |
759 | for (shared_ptr<Session>& s : sessions_) | |
760 | if (s.get() == session) | |
761 | add_view((views::ViewType)view_type, *s); | |
762 | } | |
763 | ||
764 | void MainWindow::on_view_close_clicked() | |
765 | { | |
766 | // Find the dock widget that contains the close button that was clicked | |
767 | QObject *w = QObject::sender(); | |
768 | QDockWidget *dock = nullptr; | |
769 | ||
770 | while (w) { | |
771 | dock = qobject_cast<QDockWidget*>(w); | |
772 | if (dock) | |
773 | break; | |
774 | w = w->parent(); | |
775 | } | |
776 | ||
777 | // Get the view contained in the dock widget | |
778 | shared_ptr<views::ViewBase> view; | |
779 | ||
780 | for (auto& entry : view_docks_) | |
781 | if (entry.first == dock) | |
782 | view = entry.second; | |
783 | ||
784 | // Deregister the view | |
785 | for (shared_ptr<Session> session : sessions_) { | |
786 | if (!session->has_view(view)) | |
787 | continue; | |
788 | ||
789 | // Also destroy the entire session if its main view is closing... | |
790 | if (view == session->main_view()) { | |
791 | // ...but only if data is saved or the user confirms closing | |
792 | if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"), | |
793 | tr("This session contains unsaved data. Close it anyway?"), | |
794 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes)) | |
795 | remove_session(session); | |
796 | break; | |
797 | } else | |
798 | // All other views can be closed at any time as no data will be lost | |
799 | remove_view(view); | |
800 | } | |
801 | } | |
802 | ||
803 | void MainWindow::on_tab_changed(int index) | |
804 | { | |
805 | shared_ptr<Session> session = get_tab_session(index); | |
806 | ||
807 | if (session) | |
808 | on_focused_session_changed(session); | |
809 | } | |
810 | ||
811 | void MainWindow::on_tab_close_requested(int index) | |
812 | { | |
813 | shared_ptr<Session> session = get_tab_session(index); | |
814 | ||
815 | if (!session) | |
816 | return; | |
817 | ||
818 | if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"), | |
819 | tr("This session contains unsaved data. Close it anyway?"), | |
820 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes)) | |
821 | remove_session(session); | |
822 | } | |
823 | ||
824 | void MainWindow::on_show_decoder_selector(Session *session) | |
825 | { | |
826 | #ifdef ENABLE_DECODE | |
827 | // Close dock widget if it's already showing and return | |
828 | for (auto& entry : sub_windows_) { | |
829 | QDockWidget* dock = entry.first; | |
830 | shared_ptr<subwindows::SubWindowBase> decoder_selector = | |
831 | dynamic_pointer_cast<subwindows::decoder_selector::SubWindow>(entry.second); | |
832 | ||
833 | if (decoder_selector && (&decoder_selector->session() == session)) { | |
834 | sub_windows_.erase(dock); | |
835 | dock->close(); | |
836 | return; | |
837 | } | |
838 | } | |
839 | ||
840 | // We get a pointer and need a reference | |
841 | for (shared_ptr<Session>& s : sessions_) | |
842 | if (s.get() == session) | |
843 | add_subwindow(subwindows::SubWindowTypeDecoderSelector, *s); | |
844 | #endif | |
845 | } | |
846 | ||
847 | void MainWindow::on_sub_window_close_clicked() | |
848 | { | |
849 | // Find the dock widget that contains the close button that was clicked | |
850 | QObject *w = QObject::sender(); | |
851 | QDockWidget *dock = nullptr; | |
852 | ||
853 | while (w) { | |
854 | dock = qobject_cast<QDockWidget*>(w); | |
855 | if (dock) | |
856 | break; | |
857 | w = w->parent(); | |
858 | } | |
859 | ||
860 | sub_windows_.erase(dock); | |
861 | dock->close(); | |
862 | } | |
863 | ||
864 | void MainWindow::on_view_colored_bg_shortcut() | |
865 | { | |
866 | GlobalSettings settings; | |
867 | ||
868 | bool state = settings.value(GlobalSettings::Key_View_ColoredBG).toBool(); | |
869 | settings.setValue(GlobalSettings::Key_View_ColoredBG, !state); | |
870 | } | |
871 | ||
872 | void MainWindow::on_view_sticky_scrolling_shortcut() | |
873 | { | |
874 | GlobalSettings settings; | |
875 | ||
876 | bool state = settings.value(GlobalSettings::Key_View_StickyScrolling).toBool(); | |
877 | settings.setValue(GlobalSettings::Key_View_StickyScrolling, !state); | |
878 | } | |
879 | ||
880 | void MainWindow::on_view_show_sampling_points_shortcut() | |
881 | { | |
882 | GlobalSettings settings; | |
883 | ||
884 | bool state = settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool(); | |
885 | settings.setValue(GlobalSettings::Key_View_ShowSamplingPoints, !state); | |
886 | } | |
887 | ||
888 | void MainWindow::on_view_show_analog_minor_grid_shortcut() | |
889 | { | |
890 | GlobalSettings settings; | |
891 | ||
892 | bool state = settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool(); | |
893 | settings.setValue(GlobalSettings::Key_View_ShowAnalogMinorGrid, !state); | |
894 | } | |
895 | ||
896 | void MainWindow::on_close_current_tab() | |
897 | { | |
898 | int tab = session_selector_.currentIndex(); | |
899 | ||
900 | on_tab_close_requested(tab); | |
901 | } | |
902 | ||
903 | } // namespace pv |