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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 "subwindows/decoder_selector/subwindow.hpp" | |
48 | #include "toolbars/mainbar.hpp" | |
49 | #include "util.hpp" | |
50 | #include "views/trace/view.hpp" | |
51 | #include "views/trace/standardbar.hpp" | |
52 | ||
53 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
54 | ||
55 | using std::dynamic_pointer_cast; | |
56 | using std::make_shared; | |
57 | using std::shared_ptr; | |
58 | using std::string; | |
59 | ||
60 | namespace pv { | |
61 | ||
62 | namespace view { | |
63 | class ViewItem; | |
64 | } | |
65 | ||
66 | using toolbars::MainBar; | |
67 | ||
68 | const QString MainWindow::WindowTitle = tr("PulseView"); | |
69 | ||
70 | MainWindow::MainWindow(DeviceManager &device_manager, QWidget *parent) : | |
71 | QMainWindow(parent), | |
72 | device_manager_(device_manager), | |
73 | session_selector_(this), | |
74 | session_state_mapper_(this), | |
75 | icon_red_(":/icons/status-red.svg"), | |
76 | icon_green_(":/icons/status-green.svg"), | |
77 | icon_grey_(":/icons/status-grey.svg") | |
78 | { | |
79 | GlobalSettings::add_change_handler(this); | |
80 | ||
81 | setup_ui(); | |
82 | restore_ui_settings(); | |
83 | } | |
84 | ||
85 | MainWindow::~MainWindow() | |
86 | { | |
87 | GlobalSettings::remove_change_handler(this); | |
88 | ||
89 | // Make sure we no longer hold any shared pointers to widgets after the | |
90 | // destructor finishes (goes for sessions and sub windows alike) | |
91 | ||
92 | while (!sessions_.empty()) | |
93 | remove_session(sessions_.front()); | |
94 | ||
95 | sub_windows_.clear(); | |
96 | } | |
97 | ||
98 | void MainWindow::show_session_error(const QString text, const QString info_text) | |
99 | { | |
100 | // TODO Emulate noquote() | |
101 | qDebug() << "Notifying user of session error:" << info_text; | |
102 | ||
103 | QMessageBox msg; | |
104 | msg.setText(text + "\n\n" + info_text); | |
105 | msg.setStandardButtons(QMessageBox::Ok); | |
106 | msg.setIcon(QMessageBox::Warning); | |
107 | msg.exec(); | |
108 | } | |
109 | ||
110 | shared_ptr<views::ViewBase> MainWindow::get_active_view() const | |
111 | { | |
112 | // If there's only one view, use it... | |
113 | if (view_docks_.size() == 1) | |
114 | return view_docks_.begin()->second; | |
115 | ||
116 | // ...otherwise find the dock widget the widget with focus is contained in | |
117 | QObject *w = QApplication::focusWidget(); | |
118 | QDockWidget *dock = nullptr; | |
119 | ||
120 | while (w) { | |
121 | dock = qobject_cast<QDockWidget*>(w); | |
122 | if (dock) | |
123 | break; | |
124 | w = w->parent(); | |
125 | } | |
126 | ||
127 | // Get the view contained in the dock widget | |
128 | for (auto& entry : view_docks_) | |
129 | if (entry.first == dock) | |
130 | return entry.second; | |
131 | ||
132 | return nullptr; | |
133 | } | |
134 | ||
135 | shared_ptr<views::ViewBase> MainWindow::add_view(const QString &title, | |
136 | views::ViewType type, Session &session) | |
137 | { | |
138 | GlobalSettings settings; | |
139 | shared_ptr<views::ViewBase> v; | |
140 | ||
141 | QMainWindow *main_window = nullptr; | |
142 | for (auto& entry : session_windows_) | |
143 | if (entry.first.get() == &session) | |
144 | main_window = entry.second; | |
145 | ||
146 | assert(main_window); | |
147 | ||
148 | shared_ptr<MainBar> main_bar = session.main_bar(); | |
149 | ||
150 | QDockWidget* dock = new QDockWidget(title, main_window); | |
151 | dock->setObjectName(title); | |
152 | main_window->addDockWidget(Qt::TopDockWidgetArea, dock); | |
153 | ||
154 | // Insert a QMainWindow into the dock widget to allow for a tool bar | |
155 | QMainWindow *dock_main = new QMainWindow(dock); | |
156 | dock_main->setWindowFlags(Qt::Widget); // Remove Qt::Window flag | |
157 | ||
158 | if (type == views::ViewTypeTrace) | |
159 | // This view will be the main view if there's no main bar yet | |
160 | v = make_shared<views::trace::View>(session, | |
161 | (main_bar ? false : true), dock_main); | |
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 | tv->enable_colored_bg(settings.value(GlobalSettings::Key_View_ColoredBG).toBool()); | |
192 | tv->enable_show_sampling_points(settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool()); | |
193 | tv->enable_show_analog_minor_grid(settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool()); | |
194 | ||
195 | if (!main_bar) { | |
196 | /* Initial view, create the main bar */ | |
197 | main_bar = make_shared<MainBar>(session, this, tv); | |
198 | dock_main->addToolBar(main_bar.get()); | |
199 | session.set_main_bar(main_bar); | |
200 | ||
201 | connect(main_bar.get(), SIGNAL(new_view(Session*)), | |
202 | this, SLOT(on_new_view(Session*))); | |
203 | connect(main_bar.get(), SIGNAL(show_decoder_selector(Session*)), | |
204 | this, SLOT(on_show_decoder_selector(Session*))); | |
205 | ||
206 | main_bar->action_view_show_cursors()->setChecked(tv->cursors_shown()); | |
207 | ||
208 | /* For the main view we need to prevent the dock widget from | |
209 | * closing itself when its close button is clicked. This is | |
210 | * so we can confirm with the user first. Regular views don't | |
211 | * need this */ | |
212 | close_btn->disconnect(SIGNAL(clicked()), dock, SLOT(close())); | |
213 | } else { | |
214 | /* Additional view, create a standard bar */ | |
215 | pv::views::trace::StandardBar *standard_bar = | |
216 | new pv::views::trace::StandardBar(session, this, tv); | |
217 | dock_main->addToolBar(standard_bar); | |
218 | ||
219 | standard_bar->action_view_show_cursors()->setChecked(tv->cursors_shown()); | |
220 | } | |
221 | } | |
222 | ||
223 | return v; | |
224 | } | |
225 | ||
226 | void MainWindow::remove_view(shared_ptr<views::ViewBase> view) | |
227 | { | |
228 | for (shared_ptr<Session> session : sessions_) { | |
229 | if (!session->has_view(view)) | |
230 | continue; | |
231 | ||
232 | // Find the dock the view is contained in and remove it | |
233 | for (auto& entry : view_docks_) | |
234 | if (entry.second == view) { | |
235 | // Remove the view from the session | |
236 | session->deregister_view(view); | |
237 | ||
238 | // Remove the view from its parent; otherwise, Qt will | |
239 | // call deleteLater() on it, which causes a double free | |
240 | // since the shared_ptr in view_docks_ doesn't know | |
241 | // that Qt keeps a pointer to the view around | |
242 | view->setParent(nullptr); | |
243 | ||
244 | // Delete the view's dock widget and all widgets inside it | |
245 | entry.first->deleteLater(); | |
246 | ||
247 | // Remove the dock widget from the list and stop iterating | |
248 | view_docks_.erase(entry.first); | |
249 | break; | |
250 | } | |
251 | } | |
252 | } | |
253 | ||
254 | shared_ptr<subwindows::SubWindowBase> MainWindow::add_subwindow( | |
255 | subwindows::SubWindowType type, Session &session) | |
256 | { | |
257 | GlobalSettings settings; | |
258 | shared_ptr<subwindows::SubWindowBase> v; | |
259 | ||
260 | QMainWindow *main_window = nullptr; | |
261 | for (auto entry : session_windows_) | |
262 | if (entry.first.get() == &session) | |
263 | main_window = entry.second; | |
264 | ||
265 | assert(main_window); | |
266 | ||
267 | QString title = ""; | |
268 | ||
269 | switch (type) { | |
270 | case subwindows::SubWindowTypeDecoderSelector: | |
271 | title = tr("Decoder Selector"); | |
272 | } | |
273 | ||
274 | QDockWidget* dock = new QDockWidget(title, main_window); | |
275 | dock->setObjectName(title); | |
276 | main_window->addDockWidget(Qt::TopDockWidgetArea, dock); | |
277 | ||
278 | // Insert a QMainWindow into the dock widget to allow for a tool bar | |
279 | QMainWindow *dock_main = new QMainWindow(dock); | |
280 | dock_main->setWindowFlags(Qt::Widget); // Remove Qt::Window flag | |
281 | ||
282 | if (type == subwindows::SubWindowTypeDecoderSelector) | |
283 | v = make_shared<subwindows::decoder_selector::SubWindow>(session, dock_main); | |
284 | ||
285 | if (!v) | |
286 | return nullptr; | |
287 | ||
288 | sub_windows_[dock] = v; | |
289 | dock_main->setCentralWidget(v.get()); | |
290 | dock->setWidget(dock_main); | |
291 | ||
292 | dock->setContextMenuPolicy(Qt::PreventContextMenu); | |
293 | dock->setFeatures(QDockWidget::DockWidgetMovable | | |
294 | QDockWidget::DockWidgetFloatable | QDockWidget::DockWidgetClosable); | |
295 | ||
296 | QAbstractButton *close_btn = | |
297 | dock->findChildren<QAbstractButton*> | |
298 | ("qt_dockwidget_closebutton").front(); | |
299 | ||
300 | connect(close_btn, SIGNAL(clicked(bool)), | |
301 | this, SLOT(on_sub_window_close_clicked())); | |
302 | ||
303 | if (v->has_toolbar()) | |
304 | dock_main->addToolBar(v->create_toolbar(dock_main)); | |
305 | ||
306 | return v; | |
307 | } | |
308 | ||
309 | shared_ptr<Session> MainWindow::add_session() | |
310 | { | |
311 | static int last_session_id = 1; | |
312 | QString name = tr("Session %1").arg(last_session_id++); | |
313 | ||
314 | shared_ptr<Session> session = make_shared<Session>(device_manager_, name); | |
315 | ||
316 | connect(session.get(), SIGNAL(add_view(const QString&, views::ViewType, Session*)), | |
317 | this, SLOT(on_add_view(const QString&, views::ViewType, Session*))); | |
318 | connect(session.get(), SIGNAL(name_changed()), | |
319 | this, SLOT(on_session_name_changed())); | |
320 | session_state_mapper_.setMapping(session.get(), session.get()); | |
321 | connect(session.get(), SIGNAL(capture_state_changed(int)), | |
322 | &session_state_mapper_, SLOT(map())); | |
323 | ||
324 | sessions_.push_back(session); | |
325 | ||
326 | QMainWindow *window = new QMainWindow(); | |
327 | window->setWindowFlags(Qt::Widget); // Remove Qt::Window flag | |
328 | session_windows_[session] = window; | |
329 | ||
330 | int index = session_selector_.addTab(window, name); | |
331 | session_selector_.setCurrentIndex(index); | |
332 | last_focused_session_ = session; | |
333 | ||
334 | window->setDockNestingEnabled(true); | |
335 | ||
336 | shared_ptr<views::ViewBase> main_view = | |
337 | add_view(name, views::ViewTypeTrace, *session); | |
338 | ||
339 | return session; | |
340 | } | |
341 | ||
342 | void MainWindow::remove_session(shared_ptr<Session> session) | |
343 | { | |
344 | // Determine the height of the button before it collapses | |
345 | int h = new_session_button_->height(); | |
346 | ||
347 | // Stop capture while the session still exists so that the UI can be | |
348 | // updated in case we're currently running. If so, this will schedule a | |
349 | // call to our on_capture_state_changed() slot for the next run of the | |
350 | // event loop. We need to have this executed immediately or else it will | |
351 | // be dismissed since the session object will be deleted by the time we | |
352 | // leave this method and the event loop gets a chance to run again. | |
353 | session->stop_capture(); | |
354 | QApplication::processEvents(); | |
355 | ||
356 | for (const shared_ptr<views::ViewBase>& view : session->views()) | |
357 | remove_view(view); | |
358 | ||
359 | QMainWindow *window = session_windows_.at(session); | |
360 | session_selector_.removeTab(session_selector_.indexOf(window)); | |
361 | ||
362 | session_windows_.erase(session); | |
363 | ||
364 | if (last_focused_session_ == session) | |
365 | last_focused_session_.reset(); | |
366 | ||
367 | // Remove the session from our list of sessions (which also destroys it) | |
368 | sessions_.remove_if([&](shared_ptr<Session> s) { | |
369 | return s == session; }); | |
370 | ||
371 | if (sessions_.empty()) { | |
372 | // When there are no more tabs, the height of the QTabWidget | |
373 | // drops to zero. We must prevent this to keep the static | |
374 | // widgets visible | |
375 | for (QWidget *w : static_tab_widget_->findChildren<QWidget*>()) // clazy:exclude=range-loop | |
376 | w->setMinimumHeight(h); | |
377 | ||
378 | int margin = static_tab_widget_->layout()->contentsMargins().bottom(); | |
379 | static_tab_widget_->setMinimumHeight(h + 2 * margin); | |
380 | session_selector_.setMinimumHeight(h + 2 * margin); | |
381 | ||
382 | // Update the window title if there is no view left to | |
383 | // generate focus change events | |
384 | setWindowTitle(WindowTitle); | |
385 | } | |
386 | } | |
387 | ||
388 | void MainWindow::add_session_with_file(string open_file_name, | |
389 | string open_file_format) | |
390 | { | |
391 | shared_ptr<Session> session = add_session(); | |
392 | session->load_init_file(open_file_name, open_file_format); | |
393 | } | |
394 | ||
395 | void MainWindow::add_default_session() | |
396 | { | |
397 | // Only add the default session if there would be no session otherwise | |
398 | if (sessions_.size() > 0) | |
399 | return; | |
400 | ||
401 | shared_ptr<Session> session = add_session(); | |
402 | ||
403 | // Check the list of available devices. Prefer the one that was | |
404 | // found with user supplied scan specs (if applicable). Then try | |
405 | // one of the auto detected devices that are not the demo device. | |
406 | // Pick demo in the absence of "genuine" hardware devices. | |
407 | shared_ptr<devices::HardwareDevice> user_device, other_device, demo_device; | |
408 | for (const shared_ptr<devices::HardwareDevice>& dev : device_manager_.devices()) { | |
409 | if (dev == device_manager_.user_spec_device()) { | |
410 | user_device = dev; | |
411 | } else if (dev->hardware_device()->driver()->name() == "demo") { | |
412 | demo_device = dev; | |
413 | } else { | |
414 | other_device = dev; | |
415 | } | |
416 | } | |
417 | if (user_device) | |
418 | session->select_device(user_device); | |
419 | else if (other_device) | |
420 | session->select_device(other_device); | |
421 | else | |
422 | session->select_device(demo_device); | |
423 | } | |
424 | ||
425 | void MainWindow::save_sessions() | |
426 | { | |
427 | QSettings settings; | |
428 | int id = 0; | |
429 | ||
430 | for (shared_ptr<Session>& session : sessions_) { | |
431 | // Ignore sessions using the demo device or no device at all | |
432 | if (session->device()) { | |
433 | shared_ptr<devices::HardwareDevice> device = | |
434 | dynamic_pointer_cast< devices::HardwareDevice > | |
435 | (session->device()); | |
436 | ||
437 | if (device && | |
438 | device->hardware_device()->driver()->name() == "demo") | |
439 | continue; | |
440 | ||
441 | settings.beginGroup("Session" + QString::number(id++)); | |
442 | settings.remove(""); // Remove all keys in this group | |
443 | session->save_settings(settings); | |
444 | settings.endGroup(); | |
445 | } | |
446 | } | |
447 | ||
448 | settings.setValue("sessions", id); | |
449 | } | |
450 | ||
451 | void MainWindow::restore_sessions() | |
452 | { | |
453 | QSettings settings; | |
454 | int i, session_count; | |
455 | ||
456 | session_count = settings.value("sessions", 0).toInt(); | |
457 | ||
458 | for (i = 0; i < session_count; i++) { | |
459 | settings.beginGroup("Session" + QString::number(i)); | |
460 | shared_ptr<Session> session = add_session(); | |
461 | session->restore_settings(settings); | |
462 | settings.endGroup(); | |
463 | } | |
464 | } | |
465 | ||
466 | void MainWindow::on_setting_changed(const QString &key, const QVariant &value) | |
467 | { | |
468 | if (key == GlobalSettings::Key_View_ColoredBG) | |
469 | on_settingViewColoredBg_changed(value); | |
470 | ||
471 | if (key == GlobalSettings::Key_View_ShowSamplingPoints) | |
472 | on_settingViewShowSamplingPoints_changed(value); | |
473 | ||
474 | if (key == GlobalSettings::Key_View_ShowAnalogMinorGrid) | |
475 | on_settingViewShowAnalogMinorGrid_changed(value); | |
476 | } | |
477 | ||
478 | void MainWindow::setup_ui() | |
479 | { | |
480 | setObjectName(QString::fromUtf8("MainWindow")); | |
481 | ||
482 | setCentralWidget(&session_selector_); | |
483 | ||
484 | // Set the window icon | |
485 | QIcon icon; | |
486 | icon.addFile(QString(":/icons/pulseview.png")); | |
487 | setWindowIcon(icon); | |
488 | ||
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(const QString &title, views::ViewType type, | |
637 | Session *session) | |
638 | { | |
639 | // We get a pointer and need a reference | |
640 | for (shared_ptr<Session>& s : sessions_) | |
641 | if (s.get() == session) | |
642 | add_view(title, type, *s); | |
643 | } | |
644 | ||
645 | void MainWindow::on_focus_changed() | |
646 | { | |
647 | shared_ptr<views::ViewBase> view = get_active_view(); | |
648 | ||
649 | if (view) { | |
650 | for (shared_ptr<Session> session : sessions_) { | |
651 | if (session->has_view(view)) { | |
652 | if (session != last_focused_session_) { | |
653 | // Activate correct tab if necessary | |
654 | shared_ptr<Session> tab_session = get_tab_session( | |
655 | session_selector_.currentIndex()); | |
656 | if (tab_session != session) | |
657 | session_selector_.setCurrentWidget( | |
658 | session_windows_.at(session)); | |
659 | ||
660 | on_focused_session_changed(session); | |
661 | } | |
662 | ||
663 | break; | |
664 | } | |
665 | } | |
666 | } | |
667 | ||
668 | if (sessions_.empty()) | |
669 | setWindowTitle(WindowTitle); | |
670 | } | |
671 | ||
672 | void MainWindow::on_focused_session_changed(shared_ptr<Session> session) | |
673 | { | |
674 | last_focused_session_ = session; | |
675 | ||
676 | setWindowTitle(session->name() + " - " + WindowTitle); | |
677 | ||
678 | // Update the state of the run/stop button, too | |
679 | on_capture_state_changed(session.get()); | |
680 | } | |
681 | ||
682 | void MainWindow::on_new_session_clicked() | |
683 | { | |
684 | add_session(); | |
685 | } | |
686 | ||
687 | void MainWindow::on_run_stop_clicked() | |
688 | { | |
689 | shared_ptr<Session> session = last_focused_session_; | |
690 | ||
691 | if (!session) | |
692 | return; | |
693 | ||
694 | switch (session->get_capture_state()) { | |
695 | case Session::Stopped: | |
696 | session->start_capture([&](QString message) { | |
697 | show_session_error("Capture failed", message); }); | |
698 | break; | |
699 | case Session::AwaitingTrigger: | |
700 | case Session::Running: | |
701 | session->stop_capture(); | |
702 | break; | |
703 | } | |
704 | } | |
705 | ||
706 | void MainWindow::on_settings_clicked() | |
707 | { | |
708 | dialogs::Settings dlg(device_manager_); | |
709 | dlg.exec(); | |
710 | } | |
711 | ||
712 | void MainWindow::on_session_name_changed() | |
713 | { | |
714 | // Update the corresponding dock widget's name(s) | |
715 | Session *session = qobject_cast<Session*>(QObject::sender()); | |
716 | assert(session); | |
717 | ||
718 | for (const shared_ptr<views::ViewBase>& view : session->views()) { | |
719 | // Get the dock that contains the view | |
720 | for (auto& entry : view_docks_) | |
721 | if (entry.second == view) { | |
722 | entry.first->setObjectName(session->name()); | |
723 | entry.first->setWindowTitle(session->name()); | |
724 | } | |
725 | } | |
726 | ||
727 | // Update the tab widget by finding the main window and the tab from that | |
728 | for (auto& entry : session_windows_) | |
729 | if (entry.first.get() == session) { | |
730 | QMainWindow *window = entry.second; | |
731 | const int index = session_selector_.indexOf(window); | |
732 | session_selector_.setTabText(index, session->name()); | |
733 | } | |
734 | ||
735 | // Refresh window title if the affected session has focus | |
736 | if (session == last_focused_session_.get()) | |
737 | setWindowTitle(session->name() + " - " + WindowTitle); | |
738 | } | |
739 | ||
740 | void MainWindow::on_capture_state_changed(QObject *obj) | |
741 | { | |
742 | Session *caller = qobject_cast<Session*>(obj); | |
743 | ||
744 | // Ignore if caller is not the currently focused session | |
745 | // unless there is only one session | |
746 | if ((sessions_.size() > 1) && (caller != last_focused_session_.get())) | |
747 | return; | |
748 | ||
749 | int state = caller->get_capture_state(); | |
750 | ||
751 | const QIcon *icons[] = {&icon_grey_, &icon_red_, &icon_green_}; | |
752 | run_stop_button_->setIcon(*icons[state]); | |
753 | run_stop_button_->setText((state == pv::Session::Stopped) ? | |
754 | tr("Run") : tr("Stop")); | |
755 | } | |
756 | ||
757 | void MainWindow::on_new_view(Session *session) | |
758 | { | |
759 | // We get a pointer and need a reference | |
760 | for (shared_ptr<Session>& s : sessions_) | |
761 | if (s.get() == session) | |
762 | add_view(session->name(), views::ViewTypeTrace, *s); | |
763 | } | |
764 | ||
765 | void MainWindow::on_view_close_clicked() | |
766 | { | |
767 | // Find the dock widget that contains the close button that was clicked | |
768 | QObject *w = QObject::sender(); | |
769 | QDockWidget *dock = nullptr; | |
770 | ||
771 | while (w) { | |
772 | dock = qobject_cast<QDockWidget*>(w); | |
773 | if (dock) | |
774 | break; | |
775 | w = w->parent(); | |
776 | } | |
777 | ||
778 | // Get the view contained in the dock widget | |
779 | shared_ptr<views::ViewBase> view; | |
780 | ||
781 | for (auto& entry : view_docks_) | |
782 | if (entry.first == dock) | |
783 | view = entry.second; | |
784 | ||
785 | // Deregister the view | |
786 | for (shared_ptr<Session> session : sessions_) { | |
787 | if (!session->has_view(view)) | |
788 | continue; | |
789 | ||
790 | // Also destroy the entire session if its main view is closing... | |
791 | if (view == session->main_view()) { | |
792 | // ...but only if data is saved or the user confirms closing | |
793 | if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"), | |
794 | tr("This session contains unsaved data. Close it anyway?"), | |
795 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes)) | |
796 | remove_session(session); | |
797 | break; | |
798 | } else | |
799 | // All other views can be closed at any time as no data will be lost | |
800 | remove_view(view); | |
801 | } | |
802 | } | |
803 | ||
804 | void MainWindow::on_tab_changed(int index) | |
805 | { | |
806 | shared_ptr<Session> session = get_tab_session(index); | |
807 | ||
808 | if (session) | |
809 | on_focused_session_changed(session); | |
810 | } | |
811 | ||
812 | void MainWindow::on_tab_close_requested(int index) | |
813 | { | |
814 | shared_ptr<Session> session = get_tab_session(index); | |
815 | ||
816 | if (!session) | |
817 | return; | |
818 | ||
819 | if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"), | |
820 | tr("This session contains unsaved data. Close it anyway?"), | |
821 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes)) | |
822 | remove_session(session); | |
823 | } | |
824 | ||
825 | void MainWindow::on_show_decoder_selector(Session *session) | |
826 | { | |
827 | // Close dock widget if it's already showing and return | |
828 | for (auto entry : sub_windows_) { | |
829 | QDockWidget* dock = entry.first; | |
830 | if (dynamic_pointer_cast<subwindows::decoder_selector::SubWindow>(entry.second)) { | |
831 | sub_windows_.erase(dock); | |
832 | dock->close(); | |
833 | return; | |
834 | } | |
835 | } | |
836 | ||
837 | // We get a pointer and need a reference | |
838 | for (shared_ptr<Session> s : sessions_) | |
839 | if (s.get() == session) | |
840 | add_subwindow(subwindows::SubWindowTypeDecoderSelector, *s); | |
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_settingViewColoredBg_changed(const QVariant new_value) | |
893 | { | |
894 | bool state = new_value.toBool(); | |
895 | ||
896 | for (auto& entry : view_docks_) { | |
897 | shared_ptr<views::ViewBase> viewbase = entry.second; | |
898 | ||
899 | // Only trace views have this setting | |
900 | views::trace::View* view = | |
901 | qobject_cast<views::trace::View*>(viewbase.get()); | |
902 | if (view) | |
903 | view->enable_colored_bg(state); | |
904 | } | |
905 | } | |
906 | ||
907 | void MainWindow::on_settingViewShowSamplingPoints_changed(const QVariant new_value) | |
908 | { | |
909 | bool state = new_value.toBool(); | |
910 | ||
911 | for (auto& entry : view_docks_) { | |
912 | shared_ptr<views::ViewBase> viewbase = entry.second; | |
913 | ||
914 | // Only trace views have this setting | |
915 | views::trace::View* view = | |
916 | qobject_cast<views::trace::View*>(viewbase.get()); | |
917 | if (view) | |
918 | view->enable_show_sampling_points(state); | |
919 | } | |
920 | } | |
921 | ||
922 | void MainWindow::on_settingViewShowAnalogMinorGrid_changed(const QVariant new_value) | |
923 | { | |
924 | bool state = new_value.toBool(); | |
925 | ||
926 | for (auto& entry : view_docks_) { | |
927 | shared_ptr<views::ViewBase> viewbase = entry.second; | |
928 | ||
929 | // Only trace views have this setting | |
930 | views::trace::View* view = | |
931 | qobject_cast<views::trace::View*>(viewbase.get()); | |
932 | if (view) | |
933 | view->enable_show_analog_minor_grid(state); | |
934 | } | |
935 | } | |
936 | ||
937 | void MainWindow::on_close_current_tab() | |
938 | { | |
939 | int tab = session_selector_.currentIndex(); | |
940 | ||
941 | on_tab_close_requested(tab); | |
942 | } | |
943 | ||
944 | } // namespace pv |