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