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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*> | |
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, | |
403 | string open_setup_file_name) | |
404 | { | |
405 | shared_ptr<Session> session = add_session(); | |
406 | session->load_init_file(open_file_name, | |
407 | open_file_format, | |
408 | open_setup_file_name); | |
409 | } | |
410 | ||
411 | void MainWindow::add_default_session() | |
412 | { | |
413 | // Only add the default session if there would be no session otherwise | |
414 | if (sessions_.size() > 0) | |
415 | return; | |
416 | ||
417 | shared_ptr<Session> session = add_session(); | |
418 | ||
419 | // Check the list of available devices. Prefer the one that was | |
420 | // found with user supplied scan specs (if applicable). Then try | |
421 | // one of the auto detected devices that are not the demo device. | |
422 | // Pick demo in the absence of "genuine" hardware devices. | |
423 | shared_ptr<devices::HardwareDevice> user_device, other_device, demo_device; | |
424 | for (const shared_ptr<devices::HardwareDevice>& dev : device_manager_.devices()) { | |
425 | if (dev == device_manager_.user_spec_device()) { | |
426 | user_device = dev; | |
427 | } else if (dev->hardware_device()->driver()->name() == "demo") { | |
428 | demo_device = dev; | |
429 | } else { | |
430 | other_device = dev; | |
431 | } | |
432 | } | |
433 | if (user_device) | |
434 | session->select_device(user_device); | |
435 | else if (other_device) | |
436 | session->select_device(other_device); | |
437 | else | |
438 | session->select_device(demo_device); | |
439 | } | |
440 | ||
441 | void MainWindow::save_sessions() | |
442 | { | |
443 | QSettings settings; | |
444 | int id = 0; | |
445 | ||
446 | for (shared_ptr<Session>& session : sessions_) { | |
447 | // Ignore sessions using the demo device or no device at all | |
448 | if (session->device()) { | |
449 | shared_ptr<devices::HardwareDevice> device = | |
450 | dynamic_pointer_cast< devices::HardwareDevice > | |
451 | (session->device()); | |
452 | ||
453 | if (device && | |
454 | device->hardware_device()->driver()->name() == "demo") | |
455 | continue; | |
456 | ||
457 | settings.beginGroup("Session" + QString::number(id++)); | |
458 | settings.remove(""); // Remove all keys in this group | |
459 | session->save_settings(settings); | |
460 | settings.endGroup(); | |
461 | } | |
462 | } | |
463 | ||
464 | settings.setValue("sessions", id); | |
465 | } | |
466 | ||
467 | void MainWindow::restore_sessions() | |
468 | { | |
469 | QSettings settings; | |
470 | int i, session_count; | |
471 | ||
472 | session_count = settings.value("sessions", 0).toInt(); | |
473 | ||
474 | for (i = 0; i < session_count; i++) { | |
475 | settings.beginGroup("Session" + QString::number(i)); | |
476 | shared_ptr<Session> session = add_session(); | |
477 | session->restore_settings(settings); | |
478 | settings.endGroup(); | |
479 | } | |
480 | } | |
481 | ||
482 | void MainWindow::on_setting_changed(const QString &key, const QVariant &value) | |
483 | { | |
484 | if (key == GlobalSettings::Key_View_ColoredBG) | |
485 | on_settingViewColoredBg_changed(value); | |
486 | ||
487 | if (key == GlobalSettings::Key_View_ShowSamplingPoints) | |
488 | on_settingViewShowSamplingPoints_changed(value); | |
489 | ||
490 | if (key == GlobalSettings::Key_View_ShowAnalogMinorGrid) | |
491 | on_settingViewShowAnalogMinorGrid_changed(value); | |
492 | } | |
493 | ||
494 | void MainWindow::setup_ui() | |
495 | { | |
496 | setObjectName(QString::fromUtf8("MainWindow")); | |
497 | ||
498 | setCentralWidget(&session_selector_); | |
499 | ||
500 | // Set the window icon | |
501 | QIcon icon; | |
502 | icon.addFile(QString(":/icons/pulseview.png")); | |
503 | setWindowIcon(icon); | |
504 | ||
505 | view_sticky_scrolling_shortcut_ = new QShortcut(QKeySequence(Qt::Key_S), this, SLOT(on_view_sticky_scrolling_shortcut())); | |
506 | view_sticky_scrolling_shortcut_->setAutoRepeat(false); | |
507 | ||
508 | view_show_sampling_points_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Period), this, SLOT(on_view_show_sampling_points_shortcut())); | |
509 | view_show_sampling_points_shortcut_->setAutoRepeat(false); | |
510 | ||
511 | view_show_analog_minor_grid_shortcut_ = new QShortcut(QKeySequence(Qt::Key_G), this, SLOT(on_view_show_analog_minor_grid_shortcut())); | |
512 | view_show_analog_minor_grid_shortcut_->setAutoRepeat(false); | |
513 | ||
514 | view_colored_bg_shortcut_ = new QShortcut(QKeySequence(Qt::Key_B), this, SLOT(on_view_colored_bg_shortcut())); | |
515 | view_colored_bg_shortcut_->setAutoRepeat(false); | |
516 | ||
517 | // Set up the tab area | |
518 | new_session_button_ = new QToolButton(); | |
519 | new_session_button_->setIcon(QIcon::fromTheme("document-new", | |
520 | QIcon(":/icons/document-new.png"))); | |
521 | new_session_button_->setToolTip(tr("Create New Session")); | |
522 | new_session_button_->setAutoRaise(true); | |
523 | ||
524 | run_stop_button_ = new QToolButton(); | |
525 | run_stop_button_->setAutoRaise(true); | |
526 | run_stop_button_->setToolButtonStyle(Qt::ToolButtonTextBesideIcon); | |
527 | run_stop_button_->setToolTip(tr("Start/Stop Acquisition")); | |
528 | ||
529 | run_stop_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Space), run_stop_button_, SLOT(click())); | |
530 | run_stop_shortcut_->setAutoRepeat(false); | |
531 | ||
532 | settings_button_ = new QToolButton(); | |
533 | settings_button_->setIcon(QIcon::fromTheme("preferences-system", | |
534 | QIcon(":/icons/preferences-system.png"))); | |
535 | settings_button_->setToolTip(tr("Settings")); | |
536 | settings_button_->setAutoRaise(true); | |
537 | ||
538 | QFrame *separator1 = new QFrame(); | |
539 | separator1->setFrameStyle(QFrame::VLine | QFrame::Raised); | |
540 | QFrame *separator2 = new QFrame(); | |
541 | separator2->setFrameStyle(QFrame::VLine | QFrame::Raised); | |
542 | ||
543 | QHBoxLayout* layout = new QHBoxLayout(); | |
544 | layout->setContentsMargins(2, 2, 2, 2); | |
545 | layout->addWidget(new_session_button_); | |
546 | layout->addWidget(separator1); | |
547 | layout->addWidget(run_stop_button_); | |
548 | layout->addWidget(separator2); | |
549 | layout->addWidget(settings_button_); | |
550 | ||
551 | static_tab_widget_ = new QWidget(); | |
552 | static_tab_widget_->setLayout(layout); | |
553 | ||
554 | session_selector_.setCornerWidget(static_tab_widget_, Qt::TopLeftCorner); | |
555 | session_selector_.setTabsClosable(true); | |
556 | ||
557 | close_application_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q), this, SLOT(close())); | |
558 | close_application_shortcut_->setAutoRepeat(false); | |
559 | ||
560 | close_current_tab_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_W), this, SLOT(on_close_current_tab())); | |
561 | ||
562 | connect(new_session_button_, SIGNAL(clicked(bool)), | |
563 | this, SLOT(on_new_session_clicked())); | |
564 | connect(run_stop_button_, SIGNAL(clicked(bool)), | |
565 | this, SLOT(on_run_stop_clicked())); | |
566 | connect(&session_state_mapper_, SIGNAL(mapped(QObject*)), | |
567 | this, SLOT(on_capture_state_changed(QObject*))); | |
568 | connect(settings_button_, SIGNAL(clicked(bool)), | |
569 | this, SLOT(on_settings_clicked())); | |
570 | ||
571 | connect(&session_selector_, SIGNAL(tabCloseRequested(int)), | |
572 | this, SLOT(on_tab_close_requested(int))); | |
573 | connect(&session_selector_, SIGNAL(currentChanged(int)), | |
574 | this, SLOT(on_tab_changed(int))); | |
575 | ||
576 | ||
577 | connect(static_cast<QApplication *>(QCoreApplication::instance()), | |
578 | SIGNAL(focusChanged(QWidget*, QWidget*)), | |
579 | this, SLOT(on_focus_changed())); | |
580 | } | |
581 | ||
582 | void MainWindow::save_ui_settings() | |
583 | { | |
584 | QSettings settings; | |
585 | ||
586 | settings.beginGroup("MainWindow"); | |
587 | settings.setValue("state", saveState()); | |
588 | settings.setValue("geometry", saveGeometry()); | |
589 | settings.endGroup(); | |
590 | } | |
591 | ||
592 | void MainWindow::restore_ui_settings() | |
593 | { | |
594 | QSettings settings; | |
595 | ||
596 | settings.beginGroup("MainWindow"); | |
597 | ||
598 | if (settings.contains("geometry")) { | |
599 | restoreGeometry(settings.value("geometry").toByteArray()); | |
600 | restoreState(settings.value("state").toByteArray()); | |
601 | } else | |
602 | resize(1000, 720); | |
603 | ||
604 | settings.endGroup(); | |
605 | } | |
606 | ||
607 | shared_ptr<Session> MainWindow::get_tab_session(int index) const | |
608 | { | |
609 | // Find the session that belongs to the tab's main window | |
610 | for (auto& entry : session_windows_) | |
611 | if (entry.second == session_selector_.widget(index)) | |
612 | return entry.first; | |
613 | ||
614 | return nullptr; | |
615 | } | |
616 | ||
617 | void MainWindow::closeEvent(QCloseEvent *event) | |
618 | { | |
619 | bool data_saved = true; | |
620 | ||
621 | for (auto& entry : session_windows_) | |
622 | if (!entry.first->data_saved()) | |
623 | data_saved = false; | |
624 | ||
625 | if (!data_saved && (QMessageBox::question(this, tr("Confirmation"), | |
626 | tr("There is unsaved data. Close anyway?"), | |
627 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::No)) { | |
628 | event->ignore(); | |
629 | } else { | |
630 | save_ui_settings(); | |
631 | save_sessions(); | |
632 | event->accept(); | |
633 | } | |
634 | } | |
635 | ||
636 | QMenu* MainWindow::createPopupMenu() | |
637 | { | |
638 | return nullptr; | |
639 | } | |
640 | ||
641 | bool MainWindow::restoreState(const QByteArray &state, int version) | |
642 | { | |
643 | (void)state; | |
644 | (void)version; | |
645 | ||
646 | // Do nothing. We don't want Qt to handle this, or else it | |
647 | // will try to restore all the dock widgets and create havoc. | |
648 | ||
649 | return false; | |
650 | } | |
651 | ||
652 | void MainWindow::on_add_view(const QString &title, views::ViewType type, | |
653 | Session *session) | |
654 | { | |
655 | // We get a pointer and need a reference | |
656 | for (shared_ptr<Session>& s : sessions_) | |
657 | if (s.get() == session) | |
658 | add_view(title, type, *s); | |
659 | } | |
660 | ||
661 | void MainWindow::on_focus_changed() | |
662 | { | |
663 | shared_ptr<views::ViewBase> view = get_active_view(); | |
664 | ||
665 | if (view) { | |
666 | for (shared_ptr<Session> session : sessions_) { | |
667 | if (session->has_view(view)) { | |
668 | if (session != last_focused_session_) { | |
669 | // Activate correct tab if necessary | |
670 | shared_ptr<Session> tab_session = get_tab_session( | |
671 | session_selector_.currentIndex()); | |
672 | if (tab_session != session) | |
673 | session_selector_.setCurrentWidget( | |
674 | session_windows_.at(session)); | |
675 | ||
676 | on_focused_session_changed(session); | |
677 | } | |
678 | ||
679 | break; | |
680 | } | |
681 | } | |
682 | } | |
683 | ||
684 | if (sessions_.empty()) | |
685 | setWindowTitle(WindowTitle); | |
686 | } | |
687 | ||
688 | void MainWindow::on_focused_session_changed(shared_ptr<Session> session) | |
689 | { | |
690 | last_focused_session_ = session; | |
691 | ||
692 | setWindowTitle(session->name() + " - " + WindowTitle); | |
693 | ||
694 | // Update the state of the run/stop button, too | |
695 | on_capture_state_changed(session.get()); | |
696 | } | |
697 | ||
698 | void MainWindow::on_new_session_clicked() | |
699 | { | |
700 | add_session(); | |
701 | } | |
702 | ||
703 | void MainWindow::on_run_stop_clicked() | |
704 | { | |
705 | shared_ptr<Session> session = last_focused_session_; | |
706 | ||
707 | if (!session) | |
708 | return; | |
709 | ||
710 | switch (session->get_capture_state()) { | |
711 | case Session::Stopped: | |
712 | session->start_capture([&](QString message) { | |
713 | show_session_error("Capture failed", message); }); | |
714 | break; | |
715 | case Session::AwaitingTrigger: | |
716 | case Session::Running: | |
717 | session->stop_capture(); | |
718 | break; | |
719 | } | |
720 | } | |
721 | ||
722 | void MainWindow::on_settings_clicked() | |
723 | { | |
724 | dialogs::Settings dlg(device_manager_); | |
725 | dlg.exec(); | |
726 | } | |
727 | ||
728 | void MainWindow::on_session_name_changed() | |
729 | { | |
730 | // Update the corresponding dock widget's name(s) | |
731 | Session *session = qobject_cast<Session*>(QObject::sender()); | |
732 | assert(session); | |
733 | ||
734 | for (const shared_ptr<views::ViewBase>& view : session->views()) { | |
735 | // Get the dock that contains the view | |
736 | for (auto& entry : view_docks_) | |
737 | if (entry.second == view) { | |
738 | entry.first->setObjectName(session->name()); | |
739 | entry.first->setWindowTitle(session->name()); | |
740 | } | |
741 | } | |
742 | ||
743 | // Update the tab widget by finding the main window and the tab from that | |
744 | for (auto& entry : session_windows_) | |
745 | if (entry.first.get() == session) { | |
746 | QMainWindow *window = entry.second; | |
747 | const int index = session_selector_.indexOf(window); | |
748 | session_selector_.setTabText(index, session->name()); | |
749 | } | |
750 | ||
751 | // Refresh window title if the affected session has focus | |
752 | if (session == last_focused_session_.get()) | |
753 | setWindowTitle(session->name() + " - " + WindowTitle); | |
754 | } | |
755 | ||
756 | void MainWindow::on_capture_state_changed(QObject *obj) | |
757 | { | |
758 | Session *caller = qobject_cast<Session*>(obj); | |
759 | ||
760 | // Ignore if caller is not the currently focused session | |
761 | // unless there is only one session | |
762 | if ((sessions_.size() > 1) && (caller != last_focused_session_.get())) | |
763 | return; | |
764 | ||
765 | int state = caller->get_capture_state(); | |
766 | ||
767 | const QIcon *icons[] = {&icon_grey_, &icon_red_, &icon_green_}; | |
768 | run_stop_button_->setIcon(*icons[state]); | |
769 | run_stop_button_->setText((state == pv::Session::Stopped) ? | |
770 | tr("Run") : tr("Stop")); | |
771 | } | |
772 | ||
773 | void MainWindow::on_new_view(Session *session) | |
774 | { | |
775 | // We get a pointer and need a reference | |
776 | for (shared_ptr<Session>& s : sessions_) | |
777 | if (s.get() == session) | |
778 | add_view(session->name(), views::ViewTypeTrace, *s); | |
779 | } | |
780 | ||
781 | void MainWindow::on_view_close_clicked() | |
782 | { | |
783 | // Find the dock widget that contains the close button that was clicked | |
784 | QObject *w = QObject::sender(); | |
785 | QDockWidget *dock = nullptr; | |
786 | ||
787 | while (w) { | |
788 | dock = qobject_cast<QDockWidget*>(w); | |
789 | if (dock) | |
790 | break; | |
791 | w = w->parent(); | |
792 | } | |
793 | ||
794 | // Get the view contained in the dock widget | |
795 | shared_ptr<views::ViewBase> view; | |
796 | ||
797 | for (auto& entry : view_docks_) | |
798 | if (entry.first == dock) | |
799 | view = entry.second; | |
800 | ||
801 | // Deregister the view | |
802 | for (shared_ptr<Session> session : sessions_) { | |
803 | if (!session->has_view(view)) | |
804 | continue; | |
805 | ||
806 | // Also destroy the entire session if its main view is closing... | |
807 | if (view == session->main_view()) { | |
808 | // ...but only if data is saved or the user confirms closing | |
809 | if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"), | |
810 | tr("This session contains unsaved data. Close it anyway?"), | |
811 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes)) | |
812 | remove_session(session); | |
813 | break; | |
814 | } else | |
815 | // All other views can be closed at any time as no data will be lost | |
816 | remove_view(view); | |
817 | } | |
818 | } | |
819 | ||
820 | void MainWindow::on_tab_changed(int index) | |
821 | { | |
822 | shared_ptr<Session> session = get_tab_session(index); | |
823 | ||
824 | if (session) | |
825 | on_focused_session_changed(session); | |
826 | } | |
827 | ||
828 | void MainWindow::on_tab_close_requested(int index) | |
829 | { | |
830 | shared_ptr<Session> session = get_tab_session(index); | |
831 | ||
832 | if (!session) | |
833 | return; | |
834 | ||
835 | if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"), | |
836 | tr("This session contains unsaved data. Close it anyway?"), | |
837 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes)) | |
838 | remove_session(session); | |
839 | } | |
840 | ||
841 | void MainWindow::on_show_decoder_selector(Session *session) | |
842 | { | |
843 | #ifdef ENABLE_DECODE | |
844 | // Close dock widget if it's already showing and return | |
845 | for (auto entry : sub_windows_) { | |
846 | QDockWidget* dock = entry.first; | |
847 | if (dynamic_pointer_cast<subwindows::decoder_selector::SubWindow>(entry.second)) { | |
848 | sub_windows_.erase(dock); | |
849 | dock->close(); | |
850 | return; | |
851 | } | |
852 | } | |
853 | ||
854 | // We get a pointer and need a reference | |
855 | for (shared_ptr<Session> s : sessions_) | |
856 | if (s.get() == session) | |
857 | add_subwindow(subwindows::SubWindowTypeDecoderSelector, *s); | |
858 | #endif | |
859 | } | |
860 | ||
861 | void MainWindow::on_sub_window_close_clicked() | |
862 | { | |
863 | // Find the dock widget that contains the close button that was clicked | |
864 | QObject *w = QObject::sender(); | |
865 | QDockWidget *dock = nullptr; | |
866 | ||
867 | while (w) { | |
868 | dock = qobject_cast<QDockWidget*>(w); | |
869 | if (dock) | |
870 | break; | |
871 | w = w->parent(); | |
872 | } | |
873 | ||
874 | sub_windows_.erase(dock); | |
875 | dock->close(); | |
876 | } | |
877 | ||
878 | void MainWindow::on_view_colored_bg_shortcut() | |
879 | { | |
880 | GlobalSettings settings; | |
881 | ||
882 | bool state = settings.value(GlobalSettings::Key_View_ColoredBG).toBool(); | |
883 | settings.setValue(GlobalSettings::Key_View_ColoredBG, !state); | |
884 | } | |
885 | ||
886 | void MainWindow::on_view_sticky_scrolling_shortcut() | |
887 | { | |
888 | GlobalSettings settings; | |
889 | ||
890 | bool state = settings.value(GlobalSettings::Key_View_StickyScrolling).toBool(); | |
891 | settings.setValue(GlobalSettings::Key_View_StickyScrolling, !state); | |
892 | } | |
893 | ||
894 | void MainWindow::on_view_show_sampling_points_shortcut() | |
895 | { | |
896 | GlobalSettings settings; | |
897 | ||
898 | bool state = settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool(); | |
899 | settings.setValue(GlobalSettings::Key_View_ShowSamplingPoints, !state); | |
900 | } | |
901 | ||
902 | void MainWindow::on_view_show_analog_minor_grid_shortcut() | |
903 | { | |
904 | GlobalSettings settings; | |
905 | ||
906 | bool state = settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool(); | |
907 | settings.setValue(GlobalSettings::Key_View_ShowAnalogMinorGrid, !state); | |
908 | } | |
909 | ||
910 | void MainWindow::on_settingViewColoredBg_changed(const QVariant new_value) | |
911 | { | |
912 | bool state = new_value.toBool(); | |
913 | ||
914 | for (auto& entry : view_docks_) { | |
915 | shared_ptr<views::ViewBase> viewbase = entry.second; | |
916 | ||
917 | // Only trace views have this setting | |
918 | views::trace::View* view = | |
919 | qobject_cast<views::trace::View*>(viewbase.get()); | |
920 | if (view) | |
921 | view->enable_colored_bg(state); | |
922 | } | |
923 | } | |
924 | ||
925 | void MainWindow::on_settingViewShowSamplingPoints_changed(const QVariant new_value) | |
926 | { | |
927 | bool state = new_value.toBool(); | |
928 | ||
929 | for (auto& entry : view_docks_) { | |
930 | shared_ptr<views::ViewBase> viewbase = entry.second; | |
931 | ||
932 | // Only trace views have this setting | |
933 | views::trace::View* view = | |
934 | qobject_cast<views::trace::View*>(viewbase.get()); | |
935 | if (view) | |
936 | view->enable_show_sampling_points(state); | |
937 | } | |
938 | } | |
939 | ||
940 | void MainWindow::on_settingViewShowAnalogMinorGrid_changed(const QVariant new_value) | |
941 | { | |
942 | bool state = new_value.toBool(); | |
943 | ||
944 | for (auto& entry : view_docks_) { | |
945 | shared_ptr<views::ViewBase> viewbase = entry.second; | |
946 | ||
947 | // Only trace views have this setting | |
948 | views::trace::View* view = | |
949 | qobject_cast<views::trace::View*>(viewbase.get()); | |
950 | if (view) | |
951 | view->enable_show_analog_minor_grid(state); | |
952 | } | |
953 | } | |
954 | ||
955 | void MainWindow::on_close_current_tab() | |
956 | { | |
957 | int tab = session_selector_.currentIndex(); | |
958 | ||
959 | on_tab_close_requested(tab); | |
960 | } | |
961 | ||
962 | } // namespace pv |