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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 | #endif | |
55 | ||
56 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
57 | ||
58 | using std::dynamic_pointer_cast; | |
59 | using std::make_shared; | |
60 | using std::shared_ptr; | |
61 | using std::string; | |
62 | ||
63 | namespace pv { | |
64 | ||
65 | namespace view { | |
66 | class ViewItem; | |
67 | } | |
68 | ||
69 | using toolbars::MainBar; | |
70 | ||
71 | const QString MainWindow::WindowTitle = tr("PulseView"); | |
72 | ||
73 | MainWindow::MainWindow(DeviceManager &device_manager, QWidget *parent) : | |
74 | QMainWindow(parent), | |
75 | device_manager_(device_manager), | |
76 | session_selector_(this), | |
77 | session_state_mapper_(this), | |
78 | icon_red_(":/icons/status-red.svg"), | |
79 | icon_green_(":/icons/status-green.svg"), | |
80 | icon_grey_(":/icons/status-grey.svg") | |
81 | { | |
82 | GlobalSettings::add_change_handler(this); | |
83 | ||
84 | setup_ui(); | |
85 | restore_ui_settings(); | |
86 | } | |
87 | ||
88 | MainWindow::~MainWindow() | |
89 | { | |
90 | GlobalSettings::remove_change_handler(this); | |
91 | ||
92 | // Make sure we no longer hold any shared pointers to widgets after the | |
93 | // destructor finishes (goes for sessions and sub windows alike) | |
94 | ||
95 | while (!sessions_.empty()) | |
96 | remove_session(sessions_.front()); | |
97 | ||
98 | sub_windows_.clear(); | |
99 | } | |
100 | ||
101 | void MainWindow::show_session_error(const QString text, const QString info_text) | |
102 | { | |
103 | // TODO Emulate noquote() | |
104 | qDebug() << "Notifying user of session error:" << info_text; | |
105 | ||
106 | QMessageBox msg; | |
107 | msg.setText(text + "\n\n" + info_text); | |
108 | msg.setStandardButtons(QMessageBox::Ok); | |
109 | msg.setIcon(QMessageBox::Warning); | |
110 | msg.exec(); | |
111 | } | |
112 | ||
113 | shared_ptr<views::ViewBase> MainWindow::get_active_view() const | |
114 | { | |
115 | // If there's only one view, use it... | |
116 | if (view_docks_.size() == 1) | |
117 | return view_docks_.begin()->second; | |
118 | ||
119 | // ...otherwise find the dock widget the widget with focus is contained in | |
120 | QObject *w = QApplication::focusWidget(); | |
121 | QDockWidget *dock = nullptr; | |
122 | ||
123 | while (w) { | |
124 | dock = qobject_cast<QDockWidget*>(w); | |
125 | if (dock) | |
126 | break; | |
127 | w = w->parent(); | |
128 | } | |
129 | ||
130 | // Get the view contained in the dock widget | |
131 | for (auto& entry : view_docks_) | |
132 | if (entry.first == dock) | |
133 | return entry.second; | |
134 | ||
135 | return nullptr; | |
136 | } | |
137 | ||
138 | shared_ptr<views::ViewBase> MainWindow::add_view(const QString &title, | |
139 | views::ViewType type, Session &session) | |
140 | { | |
141 | GlobalSettings settings; | |
142 | shared_ptr<views::ViewBase> v; | |
143 | ||
144 | QMainWindow *main_window = nullptr; | |
145 | for (auto& entry : session_windows_) | |
146 | if (entry.first.get() == &session) | |
147 | main_window = entry.second; | |
148 | ||
149 | assert(main_window); | |
150 | ||
151 | shared_ptr<MainBar> main_bar = session.main_bar(); | |
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, | |
164 | (main_bar ? false : true), dock_main); | |
165 | ||
166 | if (!v) | |
167 | return nullptr; | |
168 | ||
169 | view_docks_[dock] = v; | |
170 | session.register_view(v); | |
171 | ||
172 | dock_main->setCentralWidget(v.get()); | |
173 | dock->setWidget(dock_main); | |
174 | ||
175 | dock->setContextMenuPolicy(Qt::PreventContextMenu); | |
176 | dock->setFeatures(QDockWidget::DockWidgetMovable | | |
177 | QDockWidget::DockWidgetFloatable | QDockWidget::DockWidgetClosable); | |
178 | ||
179 | QAbstractButton *close_btn = | |
180 | dock->findChildren<QAbstractButton*>("qt_dockwidget_closebutton") // clazy:exclude=detaching-temporary | |
181 | .front(); | |
182 | ||
183 | connect(close_btn, SIGNAL(clicked(bool)), | |
184 | this, SLOT(on_view_close_clicked())); | |
185 | ||
186 | connect(&session, SIGNAL(trigger_event(int, util::Timestamp)), | |
187 | qobject_cast<views::ViewBase*>(v.get()), | |
188 | SLOT(trigger_event(int, util::Timestamp))); | |
189 | ||
190 | if (type == views::ViewTypeTrace) { | |
191 | views::trace::View *tv = | |
192 | qobject_cast<views::trace::View*>(v.get()); | |
193 | ||
194 | tv->enable_colored_bg(settings.value(GlobalSettings::Key_View_ColoredBG).toBool()); | |
195 | tv->enable_show_sampling_points(settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool()); | |
196 | tv->enable_show_analog_minor_grid(settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool()); | |
197 | ||
198 | if (!main_bar) { | |
199 | /* Initial view, create the main bar */ | |
200 | main_bar = make_shared<MainBar>(session, this, tv); | |
201 | dock_main->addToolBar(main_bar.get()); | |
202 | session.set_main_bar(main_bar); | |
203 | ||
204 | connect(main_bar.get(), SIGNAL(new_view(Session*)), | |
205 | this, SLOT(on_new_view(Session*))); | |
206 | connect(main_bar.get(), SIGNAL(show_decoder_selector(Session*)), | |
207 | this, SLOT(on_show_decoder_selector(Session*))); | |
208 | ||
209 | main_bar->action_view_show_cursors()->setChecked(tv->cursors_shown()); | |
210 | ||
211 | /* For the main view we need to prevent the dock widget from | |
212 | * closing itself when its close button is clicked. This is | |
213 | * so we can confirm with the user first. Regular views don't | |
214 | * need this */ | |
215 | close_btn->disconnect(SIGNAL(clicked()), dock, SLOT(close())); | |
216 | } else { | |
217 | /* Additional view, create a standard bar */ | |
218 | pv::views::trace::StandardBar *standard_bar = | |
219 | new pv::views::trace::StandardBar(session, this, tv); | |
220 | dock_main->addToolBar(standard_bar); | |
221 | ||
222 | standard_bar->action_view_show_cursors()->setChecked(tv->cursors_shown()); | |
223 | } | |
224 | } | |
225 | ||
226 | return v; | |
227 | } | |
228 | ||
229 | void MainWindow::remove_view(shared_ptr<views::ViewBase> view) | |
230 | { | |
231 | for (shared_ptr<Session> session : sessions_) { | |
232 | if (!session->has_view(view)) | |
233 | continue; | |
234 | ||
235 | // Find the dock the view is contained in and remove it | |
236 | for (auto& entry : view_docks_) | |
237 | if (entry.second == view) { | |
238 | // Remove the view from the session | |
239 | session->deregister_view(view); | |
240 | ||
241 | // Remove the view from its parent; otherwise, Qt will | |
242 | // call deleteLater() on it, which causes a double free | |
243 | // since the shared_ptr in view_docks_ doesn't know | |
244 | // that Qt keeps a pointer to the view around | |
245 | view->setParent(nullptr); | |
246 | ||
247 | // Delete the view's dock widget and all widgets inside it | |
248 | entry.first->deleteLater(); | |
249 | ||
250 | // Remove the dock widget from the list and stop iterating | |
251 | view_docks_.erase(entry.first); | |
252 | break; | |
253 | } | |
254 | } | |
255 | } | |
256 | ||
257 | shared_ptr<subwindows::SubWindowBase> MainWindow::add_subwindow( | |
258 | subwindows::SubWindowType type, Session &session) | |
259 | { | |
260 | GlobalSettings settings; | |
261 | shared_ptr<subwindows::SubWindowBase> v; | |
262 | ||
263 | QMainWindow *main_window = nullptr; | |
264 | for (auto& entry : session_windows_) | |
265 | if (entry.first.get() == &session) | |
266 | main_window = entry.second; | |
267 | ||
268 | assert(main_window); | |
269 | ||
270 | QString title = ""; | |
271 | ||
272 | switch (type) { | |
273 | #ifdef ENABLE_DECODE | |
274 | case subwindows::SubWindowTypeDecoderSelector: | |
275 | title = tr("Decoder Selector"); | |
276 | break; | |
277 | #endif | |
278 | default: | |
279 | break; | |
280 | } | |
281 | ||
282 | QDockWidget* dock = new QDockWidget(title, main_window); | |
283 | dock->setObjectName(title); | |
284 | main_window->addDockWidget(Qt::TopDockWidgetArea, dock); | |
285 | ||
286 | // Insert a QMainWindow into the dock widget to allow for a tool bar | |
287 | QMainWindow *dock_main = new QMainWindow(dock); | |
288 | dock_main->setWindowFlags(Qt::Widget); // Remove Qt::Window flag | |
289 | ||
290 | #ifdef ENABLE_DECODE | |
291 | if (type == subwindows::SubWindowTypeDecoderSelector) | |
292 | v = make_shared<subwindows::decoder_selector::SubWindow>(session, dock_main); | |
293 | #endif | |
294 | ||
295 | if (!v) | |
296 | return nullptr; | |
297 | ||
298 | sub_windows_[dock] = v; | |
299 | dock_main->setCentralWidget(v.get()); | |
300 | dock->setWidget(dock_main); | |
301 | ||
302 | dock->setContextMenuPolicy(Qt::PreventContextMenu); | |
303 | dock->setFeatures(QDockWidget::DockWidgetMovable | | |
304 | QDockWidget::DockWidgetFloatable | QDockWidget::DockWidgetClosable); | |
305 | ||
306 | QAbstractButton *close_btn = | |
307 | dock->findChildren<QAbstractButton*> // clazy:exclude=detaching-temporary | |
308 | ("qt_dockwidget_closebutton").front(); | |
309 | ||
310 | connect(close_btn, SIGNAL(clicked(bool)), | |
311 | this, SLOT(on_sub_window_close_clicked())); | |
312 | ||
313 | if (v->has_toolbar()) | |
314 | dock_main->addToolBar(v->create_toolbar(dock_main)); | |
315 | ||
316 | if (v->minimum_width() > 0) | |
317 | dock->setMinimumSize(v->minimum_width(), 0); | |
318 | ||
319 | return v; | |
320 | } | |
321 | ||
322 | shared_ptr<Session> MainWindow::add_session() | |
323 | { | |
324 | static int last_session_id = 1; | |
325 | QString name = tr("Session %1").arg(last_session_id++); | |
326 | ||
327 | shared_ptr<Session> session = make_shared<Session>(device_manager_, name); | |
328 | ||
329 | connect(session.get(), SIGNAL(add_view(const QString&, views::ViewType, Session*)), | |
330 | this, SLOT(on_add_view(const QString&, views::ViewType, Session*))); | |
331 | connect(session.get(), SIGNAL(name_changed()), | |
332 | this, SLOT(on_session_name_changed())); | |
333 | session_state_mapper_.setMapping(session.get(), session.get()); | |
334 | connect(session.get(), SIGNAL(capture_state_changed(int)), | |
335 | &session_state_mapper_, SLOT(map())); | |
336 | ||
337 | sessions_.push_back(session); | |
338 | ||
339 | QMainWindow *window = new QMainWindow(); | |
340 | window->setWindowFlags(Qt::Widget); // Remove Qt::Window flag | |
341 | session_windows_[session] = window; | |
342 | ||
343 | int index = session_selector_.addTab(window, name); | |
344 | session_selector_.setCurrentIndex(index); | |
345 | last_focused_session_ = session; | |
346 | ||
347 | window->setDockNestingEnabled(true); | |
348 | ||
349 | shared_ptr<views::ViewBase> main_view = | |
350 | add_view(name, views::ViewTypeTrace, *session); | |
351 | ||
352 | return session; | |
353 | } | |
354 | ||
355 | void MainWindow::remove_session(shared_ptr<Session> session) | |
356 | { | |
357 | // Determine the height of the button before it collapses | |
358 | int h = new_session_button_->height(); | |
359 | ||
360 | // Stop capture while the session still exists so that the UI can be | |
361 | // updated in case we're currently running. If so, this will schedule a | |
362 | // call to our on_capture_state_changed() slot for the next run of the | |
363 | // event loop. We need to have this executed immediately or else it will | |
364 | // be dismissed since the session object will be deleted by the time we | |
365 | // leave this method and the event loop gets a chance to run again. | |
366 | session->stop_capture(); | |
367 | QApplication::processEvents(); | |
368 | ||
369 | for (const shared_ptr<views::ViewBase>& view : session->views()) | |
370 | remove_view(view); | |
371 | ||
372 | QMainWindow *window = session_windows_.at(session); | |
373 | session_selector_.removeTab(session_selector_.indexOf(window)); | |
374 | ||
375 | session_windows_.erase(session); | |
376 | ||
377 | if (last_focused_session_ == session) | |
378 | last_focused_session_.reset(); | |
379 | ||
380 | // Remove the session from our list of sessions (which also destroys it) | |
381 | sessions_.remove_if([&](shared_ptr<Session> s) { | |
382 | return s == session; }); | |
383 | ||
384 | if (sessions_.empty()) { | |
385 | // When there are no more tabs, the height of the QTabWidget | |
386 | // drops to zero. We must prevent this to keep the static | |
387 | // widgets visible | |
388 | for (QWidget *w : static_tab_widget_->findChildren<QWidget*>()) // clazy:exclude=range-loop | |
389 | w->setMinimumHeight(h); | |
390 | ||
391 | int margin = static_tab_widget_->layout()->contentsMargins().bottom(); | |
392 | static_tab_widget_->setMinimumHeight(h + 2 * margin); | |
393 | session_selector_.setMinimumHeight(h + 2 * margin); | |
394 | ||
395 | // Update the window title if there is no view left to | |
396 | // generate focus change events | |
397 | setWindowTitle(WindowTitle); | |
398 | } | |
399 | } | |
400 | ||
401 | void MainWindow::add_session_with_file(string open_file_name, | |
402 | string open_file_format, string open_setup_file_name) | |
403 | { | |
404 | shared_ptr<Session> session = add_session(); | |
405 | session->load_init_file(open_file_name, open_file_format, open_setup_file_name); | |
406 | } | |
407 | ||
408 | void MainWindow::add_default_session() | |
409 | { | |
410 | // Only add the default session if there would be no session otherwise | |
411 | if (sessions_.size() > 0) | |
412 | return; | |
413 | ||
414 | shared_ptr<Session> session = add_session(); | |
415 | ||
416 | // Check the list of available devices. Prefer the one that was | |
417 | // found with user supplied scan specs (if applicable). Then try | |
418 | // one of the auto detected devices that are not the demo device. | |
419 | // Pick demo in the absence of "genuine" hardware devices. | |
420 | shared_ptr<devices::HardwareDevice> user_device, other_device, demo_device; | |
421 | for (const shared_ptr<devices::HardwareDevice>& dev : device_manager_.devices()) { | |
422 | if (dev == device_manager_.user_spec_device()) { | |
423 | user_device = dev; | |
424 | } else if (dev->hardware_device()->driver()->name() == "demo") { | |
425 | demo_device = dev; | |
426 | } else { | |
427 | other_device = dev; | |
428 | } | |
429 | } | |
430 | if (user_device) | |
431 | session->select_device(user_device); | |
432 | else if (other_device) | |
433 | session->select_device(other_device); | |
434 | else | |
435 | session->select_device(demo_device); | |
436 | } | |
437 | ||
438 | void MainWindow::save_sessions() | |
439 | { | |
440 | QSettings settings; | |
441 | int id = 0; | |
442 | ||
443 | for (shared_ptr<Session>& session : sessions_) { | |
444 | // Ignore sessions using the demo device or no device at all | |
445 | if (session->device()) { | |
446 | shared_ptr<devices::HardwareDevice> device = | |
447 | dynamic_pointer_cast< devices::HardwareDevice > | |
448 | (session->device()); | |
449 | ||
450 | if (device && | |
451 | device->hardware_device()->driver()->name() == "demo") | |
452 | continue; | |
453 | ||
454 | settings.beginGroup("Session" + QString::number(id++)); | |
455 | settings.remove(""); // Remove all keys in this group | |
456 | session->save_settings(settings); | |
457 | settings.endGroup(); | |
458 | } | |
459 | } | |
460 | ||
461 | settings.setValue("sessions", id); | |
462 | } | |
463 | ||
464 | void MainWindow::restore_sessions() | |
465 | { | |
466 | QSettings settings; | |
467 | int i, session_count; | |
468 | ||
469 | session_count = settings.value("sessions", 0).toInt(); | |
470 | ||
471 | for (i = 0; i < session_count; i++) { | |
472 | settings.beginGroup("Session" + QString::number(i)); | |
473 | shared_ptr<Session> session = add_session(); | |
474 | session->restore_settings(settings); | |
475 | settings.endGroup(); | |
476 | } | |
477 | } | |
478 | ||
479 | void MainWindow::on_setting_changed(const QString &key, const QVariant &value) | |
480 | { | |
481 | if (key == GlobalSettings::Key_View_ColoredBG) | |
482 | on_settingViewColoredBg_changed(value); | |
483 | ||
484 | if (key == GlobalSettings::Key_View_ShowSamplingPoints) | |
485 | on_settingViewShowSamplingPoints_changed(value); | |
486 | ||
487 | if (key == GlobalSettings::Key_View_ShowAnalogMinorGrid) | |
488 | on_settingViewShowAnalogMinorGrid_changed(value); | |
489 | } | |
490 | ||
491 | void MainWindow::setup_ui() | |
492 | { | |
493 | setObjectName(QString::fromUtf8("MainWindow")); | |
494 | ||
495 | setCentralWidget(&session_selector_); | |
496 | ||
497 | // Set the window icon | |
498 | QIcon icon; | |
499 | icon.addFile(QString(":/icons/pulseview.png")); | |
500 | setWindowIcon(icon); | |
501 | ||
502 | // Set up keyboard shortcuts that affect all views at once | |
503 | view_sticky_scrolling_shortcut_ = new QShortcut(QKeySequence(Qt::Key_S), this, SLOT(on_view_sticky_scrolling_shortcut())); | |
504 | view_sticky_scrolling_shortcut_->setAutoRepeat(false); | |
505 | ||
506 | view_show_sampling_points_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Period), this, SLOT(on_view_show_sampling_points_shortcut())); | |
507 | view_show_sampling_points_shortcut_->setAutoRepeat(false); | |
508 | ||
509 | view_show_analog_minor_grid_shortcut_ = new QShortcut(QKeySequence(Qt::Key_G), this, SLOT(on_view_show_analog_minor_grid_shortcut())); | |
510 | view_show_analog_minor_grid_shortcut_->setAutoRepeat(false); | |
511 | ||
512 | view_colored_bg_shortcut_ = new QShortcut(QKeySequence(Qt::Key_B), this, SLOT(on_view_colored_bg_shortcut())); | |
513 | view_colored_bg_shortcut_->setAutoRepeat(false); | |
514 | ||
515 | // Set up the tab area | |
516 | new_session_button_ = new QToolButton(); | |
517 | new_session_button_->setIcon(QIcon::fromTheme("document-new", | |
518 | QIcon(":/icons/document-new.png"))); | |
519 | new_session_button_->setToolTip(tr("Create New Session")); | |
520 | new_session_button_->setAutoRaise(true); | |
521 | ||
522 | run_stop_button_ = new QToolButton(); | |
523 | run_stop_button_->setAutoRaise(true); | |
524 | run_stop_button_->setToolButtonStyle(Qt::ToolButtonTextBesideIcon); | |
525 | run_stop_button_->setToolTip(tr("Start/Stop Acquisition")); | |
526 | ||
527 | run_stop_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Space), run_stop_button_, SLOT(click())); | |
528 | run_stop_shortcut_->setAutoRepeat(false); | |
529 | ||
530 | settings_button_ = new QToolButton(); | |
531 | settings_button_->setIcon(QIcon::fromTheme("preferences-system", | |
532 | QIcon(":/icons/preferences-system.png"))); | |
533 | settings_button_->setToolTip(tr("Settings")); | |
534 | settings_button_->setAutoRaise(true); | |
535 | ||
536 | QFrame *separator1 = new QFrame(); | |
537 | separator1->setFrameStyle(QFrame::VLine | QFrame::Raised); | |
538 | QFrame *separator2 = new QFrame(); | |
539 | separator2->setFrameStyle(QFrame::VLine | QFrame::Raised); | |
540 | ||
541 | QHBoxLayout* layout = new QHBoxLayout(); | |
542 | layout->setContentsMargins(2, 2, 2, 2); | |
543 | layout->addWidget(new_session_button_); | |
544 | layout->addWidget(separator1); | |
545 | layout->addWidget(run_stop_button_); | |
546 | layout->addWidget(separator2); | |
547 | layout->addWidget(settings_button_); | |
548 | ||
549 | static_tab_widget_ = new QWidget(); | |
550 | static_tab_widget_->setLayout(layout); | |
551 | ||
552 | session_selector_.setCornerWidget(static_tab_widget_, Qt::TopLeftCorner); | |
553 | session_selector_.setTabsClosable(true); | |
554 | ||
555 | close_application_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q), this, SLOT(close())); | |
556 | close_application_shortcut_->setAutoRepeat(false); | |
557 | ||
558 | close_current_tab_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_W), this, SLOT(on_close_current_tab())); | |
559 | ||
560 | connect(new_session_button_, SIGNAL(clicked(bool)), | |
561 | this, SLOT(on_new_session_clicked())); | |
562 | connect(run_stop_button_, SIGNAL(clicked(bool)), | |
563 | this, SLOT(on_run_stop_clicked())); | |
564 | connect(&session_state_mapper_, SIGNAL(mapped(QObject*)), | |
565 | this, SLOT(on_capture_state_changed(QObject*))); | |
566 | connect(settings_button_, SIGNAL(clicked(bool)), | |
567 | this, SLOT(on_settings_clicked())); | |
568 | ||
569 | connect(&session_selector_, SIGNAL(tabCloseRequested(int)), | |
570 | this, SLOT(on_tab_close_requested(int))); | |
571 | connect(&session_selector_, SIGNAL(currentChanged(int)), | |
572 | this, SLOT(on_tab_changed(int))); | |
573 | ||
574 | ||
575 | connect(static_cast<QApplication *>(QCoreApplication::instance()), | |
576 | SIGNAL(focusChanged(QWidget*, QWidget*)), | |
577 | this, SLOT(on_focus_changed())); | |
578 | } | |
579 | ||
580 | void MainWindow::save_ui_settings() | |
581 | { | |
582 | QSettings settings; | |
583 | ||
584 | settings.beginGroup("MainWindow"); | |
585 | settings.setValue("state", saveState()); | |
586 | settings.setValue("geometry", saveGeometry()); | |
587 | settings.endGroup(); | |
588 | } | |
589 | ||
590 | void MainWindow::restore_ui_settings() | |
591 | { | |
592 | QSettings settings; | |
593 | ||
594 | settings.beginGroup("MainWindow"); | |
595 | ||
596 | if (settings.contains("geometry")) { | |
597 | restoreGeometry(settings.value("geometry").toByteArray()); | |
598 | restoreState(settings.value("state").toByteArray()); | |
599 | } else | |
600 | resize(1000, 720); | |
601 | ||
602 | settings.endGroup(); | |
603 | } | |
604 | ||
605 | void MainWindow::zoom_current_view(double steps) | |
606 | { | |
607 | shared_ptr<Session> session = get_tab_session(session_selector_.currentIndex()); | |
608 | ||
609 | if (!session) | |
610 | return; | |
611 | ||
612 | shared_ptr<views::ViewBase> v = session.get()->main_view(); | |
613 | views::trace::View *tv = | |
614 | qobject_cast<views::trace::View*>(v.get()); | |
615 | tv->zoom(steps); | |
616 | } | |
617 | ||
618 | shared_ptr<Session> MainWindow::get_tab_session(int index) const | |
619 | { | |
620 | // Find the session that belongs to the tab's main window | |
621 | for (auto& entry : session_windows_) | |
622 | if (entry.second == session_selector_.widget(index)) | |
623 | return entry.first; | |
624 | ||
625 | return nullptr; | |
626 | } | |
627 | ||
628 | void MainWindow::closeEvent(QCloseEvent *event) | |
629 | { | |
630 | bool data_saved = true; | |
631 | ||
632 | for (auto& entry : session_windows_) | |
633 | if (!entry.first->data_saved()) | |
634 | data_saved = false; | |
635 | ||
636 | if (!data_saved && (QMessageBox::question(this, tr("Confirmation"), | |
637 | tr("There is unsaved data. Close anyway?"), | |
638 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::No)) { | |
639 | event->ignore(); | |
640 | } else { | |
641 | save_ui_settings(); | |
642 | save_sessions(); | |
643 | event->accept(); | |
644 | } | |
645 | } | |
646 | ||
647 | QMenu* MainWindow::createPopupMenu() | |
648 | { | |
649 | return nullptr; | |
650 | } | |
651 | ||
652 | bool MainWindow::restoreState(const QByteArray &state, int version) | |
653 | { | |
654 | (void)state; | |
655 | (void)version; | |
656 | ||
657 | // Do nothing. We don't want Qt to handle this, or else it | |
658 | // will try to restore all the dock widgets and create havoc. | |
659 | ||
660 | return false; | |
661 | } | |
662 | ||
663 | void MainWindow::on_add_view(const QString &title, views::ViewType type, | |
664 | Session *session) | |
665 | { | |
666 | // We get a pointer and need a reference | |
667 | for (shared_ptr<Session>& s : sessions_) | |
668 | if (s.get() == session) | |
669 | add_view(title, type, *s); | |
670 | } | |
671 | ||
672 | void MainWindow::on_focus_changed() | |
673 | { | |
674 | shared_ptr<views::ViewBase> view = get_active_view(); | |
675 | ||
676 | if (view) { | |
677 | for (shared_ptr<Session> session : sessions_) { | |
678 | if (session->has_view(view)) { | |
679 | if (session != last_focused_session_) { | |
680 | // Activate correct tab if necessary | |
681 | shared_ptr<Session> tab_session = get_tab_session( | |
682 | session_selector_.currentIndex()); | |
683 | if (tab_session != session) | |
684 | session_selector_.setCurrentWidget( | |
685 | session_windows_.at(session)); | |
686 | ||
687 | on_focused_session_changed(session); | |
688 | } | |
689 | ||
690 | break; | |
691 | } | |
692 | } | |
693 | } | |
694 | ||
695 | if (sessions_.empty()) | |
696 | setWindowTitle(WindowTitle); | |
697 | } | |
698 | ||
699 | void MainWindow::on_focused_session_changed(shared_ptr<Session> session) | |
700 | { | |
701 | last_focused_session_ = session; | |
702 | ||
703 | setWindowTitle(session->name() + " - " + WindowTitle); | |
704 | ||
705 | // Update the state of the run/stop button, too | |
706 | on_capture_state_changed(session.get()); | |
707 | } | |
708 | ||
709 | void MainWindow::on_new_session_clicked() | |
710 | { | |
711 | add_session(); | |
712 | } | |
713 | ||
714 | void MainWindow::on_run_stop_clicked() | |
715 | { | |
716 | shared_ptr<Session> session = last_focused_session_; | |
717 | ||
718 | if (!session) | |
719 | return; | |
720 | ||
721 | switch (session->get_capture_state()) { | |
722 | case Session::Stopped: | |
723 | session->start_capture([&](QString message) { | |
724 | show_session_error("Capture failed", message); }); | |
725 | break; | |
726 | case Session::AwaitingTrigger: | |
727 | case Session::Running: | |
728 | session->stop_capture(); | |
729 | break; | |
730 | } | |
731 | } | |
732 | ||
733 | void MainWindow::on_settings_clicked() | |
734 | { | |
735 | dialogs::Settings dlg(device_manager_); | |
736 | dlg.exec(); | |
737 | } | |
738 | ||
739 | void MainWindow::on_session_name_changed() | |
740 | { | |
741 | // Update the corresponding dock widget's name(s) | |
742 | Session *session = qobject_cast<Session*>(QObject::sender()); | |
743 | assert(session); | |
744 | ||
745 | for (const shared_ptr<views::ViewBase>& view : session->views()) { | |
746 | // Get the dock that contains the view | |
747 | for (auto& entry : view_docks_) | |
748 | if (entry.second == view) { | |
749 | entry.first->setObjectName(session->name()); | |
750 | entry.first->setWindowTitle(session->name()); | |
751 | } | |
752 | } | |
753 | ||
754 | // Update the tab widget by finding the main window and the tab from that | |
755 | for (auto& entry : session_windows_) | |
756 | if (entry.first.get() == session) { | |
757 | QMainWindow *window = entry.second; | |
758 | const int index = session_selector_.indexOf(window); | |
759 | session_selector_.setTabText(index, session->name()); | |
760 | } | |
761 | ||
762 | // Refresh window title if the affected session has focus | |
763 | if (session == last_focused_session_.get()) | |
764 | setWindowTitle(session->name() + " - " + WindowTitle); | |
765 | } | |
766 | ||
767 | void MainWindow::on_capture_state_changed(QObject *obj) | |
768 | { | |
769 | Session *caller = qobject_cast<Session*>(obj); | |
770 | ||
771 | // Ignore if caller is not the currently focused session | |
772 | // unless there is only one session | |
773 | if ((sessions_.size() > 1) && (caller != last_focused_session_.get())) | |
774 | return; | |
775 | ||
776 | int state = caller->get_capture_state(); | |
777 | ||
778 | const QIcon *icons[] = {&icon_grey_, &icon_red_, &icon_green_}; | |
779 | run_stop_button_->setIcon(*icons[state]); | |
780 | run_stop_button_->setText((state == pv::Session::Stopped) ? | |
781 | tr("Run") : tr("Stop")); | |
782 | } | |
783 | ||
784 | void MainWindow::on_new_view(Session *session) | |
785 | { | |
786 | // We get a pointer and need a reference | |
787 | for (shared_ptr<Session>& s : sessions_) | |
788 | if (s.get() == session) | |
789 | add_view(session->name(), views::ViewTypeTrace, *s); | |
790 | } | |
791 | ||
792 | void MainWindow::on_view_close_clicked() | |
793 | { | |
794 | // Find the dock widget that contains the close button that was clicked | |
795 | QObject *w = QObject::sender(); | |
796 | QDockWidget *dock = nullptr; | |
797 | ||
798 | while (w) { | |
799 | dock = qobject_cast<QDockWidget*>(w); | |
800 | if (dock) | |
801 | break; | |
802 | w = w->parent(); | |
803 | } | |
804 | ||
805 | // Get the view contained in the dock widget | |
806 | shared_ptr<views::ViewBase> view; | |
807 | ||
808 | for (auto& entry : view_docks_) | |
809 | if (entry.first == dock) | |
810 | view = entry.second; | |
811 | ||
812 | // Deregister the view | |
813 | for (shared_ptr<Session> session : sessions_) { | |
814 | if (!session->has_view(view)) | |
815 | continue; | |
816 | ||
817 | // Also destroy the entire session if its main view is closing... | |
818 | if (view == session->main_view()) { | |
819 | // ...but only if data is saved or the user confirms closing | |
820 | if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"), | |
821 | tr("This session contains unsaved data. Close it anyway?"), | |
822 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes)) | |
823 | remove_session(session); | |
824 | break; | |
825 | } else | |
826 | // All other views can be closed at any time as no data will be lost | |
827 | remove_view(view); | |
828 | } | |
829 | } | |
830 | ||
831 | void MainWindow::on_tab_changed(int index) | |
832 | { | |
833 | shared_ptr<Session> session = get_tab_session(index); | |
834 | ||
835 | if (session) | |
836 | on_focused_session_changed(session); | |
837 | } | |
838 | ||
839 | void MainWindow::on_tab_close_requested(int index) | |
840 | { | |
841 | shared_ptr<Session> session = get_tab_session(index); | |
842 | ||
843 | if (!session) | |
844 | return; | |
845 | ||
846 | if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"), | |
847 | tr("This session contains unsaved data. Close it anyway?"), | |
848 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes)) | |
849 | remove_session(session); | |
850 | } | |
851 | ||
852 | void MainWindow::on_show_decoder_selector(Session *session) | |
853 | { | |
854 | #ifdef ENABLE_DECODE | |
855 | // Close dock widget if it's already showing and return | |
856 | for (auto& entry : sub_windows_) { | |
857 | QDockWidget* dock = entry.first; | |
858 | shared_ptr<subwindows::SubWindowBase> decoder_selector = | |
859 | dynamic_pointer_cast<subwindows::decoder_selector::SubWindow>(entry.second); | |
860 | ||
861 | if (decoder_selector && (&decoder_selector->session() == session)) { | |
862 | sub_windows_.erase(dock); | |
863 | dock->close(); | |
864 | return; | |
865 | } | |
866 | } | |
867 | ||
868 | // We get a pointer and need a reference | |
869 | for (shared_ptr<Session>& s : sessions_) | |
870 | if (s.get() == session) | |
871 | add_subwindow(subwindows::SubWindowTypeDecoderSelector, *s); | |
872 | #endif | |
873 | } | |
874 | ||
875 | void MainWindow::on_sub_window_close_clicked() | |
876 | { | |
877 | // Find the dock widget that contains the close button that was clicked | |
878 | QObject *w = QObject::sender(); | |
879 | QDockWidget *dock = nullptr; | |
880 | ||
881 | while (w) { | |
882 | dock = qobject_cast<QDockWidget*>(w); | |
883 | if (dock) | |
884 | break; | |
885 | w = w->parent(); | |
886 | } | |
887 | ||
888 | sub_windows_.erase(dock); | |
889 | dock->close(); | |
890 | } | |
891 | ||
892 | void MainWindow::on_view_colored_bg_shortcut() | |
893 | { | |
894 | GlobalSettings settings; | |
895 | ||
896 | bool state = settings.value(GlobalSettings::Key_View_ColoredBG).toBool(); | |
897 | settings.setValue(GlobalSettings::Key_View_ColoredBG, !state); | |
898 | } | |
899 | ||
900 | void MainWindow::on_view_sticky_scrolling_shortcut() | |
901 | { | |
902 | GlobalSettings settings; | |
903 | ||
904 | bool state = settings.value(GlobalSettings::Key_View_StickyScrolling).toBool(); | |
905 | settings.setValue(GlobalSettings::Key_View_StickyScrolling, !state); | |
906 | } | |
907 | ||
908 | void MainWindow::on_view_show_sampling_points_shortcut() | |
909 | { | |
910 | GlobalSettings settings; | |
911 | ||
912 | bool state = settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool(); | |
913 | settings.setValue(GlobalSettings::Key_View_ShowSamplingPoints, !state); | |
914 | } | |
915 | ||
916 | void MainWindow::on_view_show_analog_minor_grid_shortcut() | |
917 | { | |
918 | GlobalSettings settings; | |
919 | ||
920 | bool state = settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool(); | |
921 | settings.setValue(GlobalSettings::Key_View_ShowAnalogMinorGrid, !state); | |
922 | } | |
923 | ||
924 | void MainWindow::on_settingViewColoredBg_changed(const QVariant new_value) | |
925 | { | |
926 | bool state = new_value.toBool(); | |
927 | ||
928 | for (auto& entry : view_docks_) { | |
929 | shared_ptr<views::ViewBase> viewbase = entry.second; | |
930 | ||
931 | // Only trace views have this setting | |
932 | views::trace::View* view = | |
933 | qobject_cast<views::trace::View*>(viewbase.get()); | |
934 | if (view) | |
935 | view->enable_colored_bg(state); | |
936 | } | |
937 | } | |
938 | ||
939 | void MainWindow::on_settingViewShowSamplingPoints_changed(const QVariant new_value) | |
940 | { | |
941 | bool state = new_value.toBool(); | |
942 | ||
943 | for (auto& entry : view_docks_) { | |
944 | shared_ptr<views::ViewBase> viewbase = entry.second; | |
945 | ||
946 | // Only trace views have this setting | |
947 | views::trace::View* view = | |
948 | qobject_cast<views::trace::View*>(viewbase.get()); | |
949 | if (view) | |
950 | view->enable_show_sampling_points(state); | |
951 | } | |
952 | } | |
953 | ||
954 | void MainWindow::on_settingViewShowAnalogMinorGrid_changed(const QVariant new_value) | |
955 | { | |
956 | bool state = new_value.toBool(); | |
957 | ||
958 | for (auto& entry : view_docks_) { | |
959 | shared_ptr<views::ViewBase> viewbase = entry.second; | |
960 | ||
961 | // Only trace views have this setting | |
962 | views::trace::View* view = | |
963 | qobject_cast<views::trace::View*>(viewbase.get()); | |
964 | if (view) | |
965 | view->enable_show_analog_minor_grid(state); | |
966 | } | |
967 | } | |
968 | ||
969 | void MainWindow::on_close_current_tab() | |
970 | { | |
971 | int tab = session_selector_.currentIndex(); | |
972 | ||
973 | on_tab_close_requested(tab); | |
974 | } | |
975 | ||
976 | } // namespace pv |