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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 "application.hpp" | |
44 | #include "devicemanager.hpp" | |
45 | #include "devices/hardwaredevice.hpp" | |
46 | #include "dialogs/settings.hpp" | |
47 | #include "globalsettings.hpp" | |
48 | #include "toolbars/mainbar.hpp" | |
49 | #include "util.hpp" | |
50 | #include "views/trace/view.hpp" | |
51 | #include "views/trace/standardbar.hpp" | |
52 | ||
53 | #ifdef ENABLE_DECODE | |
54 | #include "subwindows/decoder_selector/subwindow.hpp" | |
55 | #include "views/decoder_output/view.hpp" | |
56 | #endif | |
57 | ||
58 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
59 | ||
60 | using std::dynamic_pointer_cast; | |
61 | using std::make_shared; | |
62 | using std::shared_ptr; | |
63 | using std::string; | |
64 | ||
65 | namespace pv { | |
66 | ||
67 | using toolbars::MainBar; | |
68 | ||
69 | const QString MainWindow::WindowTitle = tr("PulseView"); | |
70 | ||
71 | MainWindow::MainWindow(DeviceManager &device_manager, QWidget *parent) : | |
72 | QMainWindow(parent), | |
73 | device_manager_(device_manager), | |
74 | session_selector_(this), | |
75 | icon_red_(":/icons/status-red.svg"), | |
76 | icon_green_(":/icons/status-green.svg"), | |
77 | icon_grey_(":/icons/status-grey.svg") | |
78 | { | |
79 | setup_ui(); | |
80 | restore_ui_settings(); | |
81 | } | |
82 | ||
83 | MainWindow::~MainWindow() | |
84 | { | |
85 | // Make sure we no longer hold any shared pointers to widgets after the | |
86 | // destructor finishes (goes for sessions and sub windows alike) | |
87 | ||
88 | while (!sessions_.empty()) | |
89 | remove_session(sessions_.front()); | |
90 | ||
91 | sub_windows_.clear(); | |
92 | } | |
93 | ||
94 | void MainWindow::show_session_error(const QString text, const QString info_text) | |
95 | { | |
96 | // TODO Emulate noquote() | |
97 | qDebug() << "Notifying user of session error:" << info_text; | |
98 | ||
99 | QMessageBox msg; | |
100 | msg.setText(text + "\n\n" + info_text); | |
101 | msg.setStandardButtons(QMessageBox::Ok); | |
102 | msg.setIcon(QMessageBox::Warning); | |
103 | msg.exec(); | |
104 | } | |
105 | ||
106 | shared_ptr<views::ViewBase> MainWindow::get_active_view() const | |
107 | { | |
108 | // If there's only one view, use it... | |
109 | if (view_docks_.size() == 1) | |
110 | return view_docks_.begin()->second; | |
111 | ||
112 | // ...otherwise find the dock widget the widget with focus is contained in | |
113 | QObject *w = QApplication::focusWidget(); | |
114 | QDockWidget *dock = nullptr; | |
115 | ||
116 | while (w) { | |
117 | dock = qobject_cast<QDockWidget*>(w); | |
118 | if (dock) | |
119 | break; | |
120 | w = w->parent(); | |
121 | } | |
122 | ||
123 | // Get the view contained in the dock widget | |
124 | for (auto& entry : view_docks_) | |
125 | if (entry.first == dock) | |
126 | return entry.second; | |
127 | ||
128 | return nullptr; | |
129 | } | |
130 | ||
131 | shared_ptr<views::ViewBase> MainWindow::add_view(views::ViewType type, | |
132 | Session &session) | |
133 | { | |
134 | GlobalSettings settings; | |
135 | shared_ptr<views::ViewBase> v; | |
136 | ||
137 | QMainWindow *main_window = nullptr; | |
138 | for (auto& entry : session_windows_) | |
139 | if (entry.first.get() == &session) | |
140 | main_window = entry.second; | |
141 | ||
142 | assert(main_window); | |
143 | ||
144 | shared_ptr<MainBar> main_bar = session.main_bar(); | |
145 | ||
146 | // Only use the view type in the name if it's not the main view | |
147 | QString title; | |
148 | if (main_bar) | |
149 | title = QString("%1 (%2)").arg(session.name(), views::ViewTypeNames[type]); | |
150 | else | |
151 | title = session.name(); | |
152 | ||
153 | QDockWidget* dock = new QDockWidget(title, main_window); | |
154 | dock->setObjectName(title); | |
155 | main_window->addDockWidget(Qt::TopDockWidgetArea, dock); | |
156 | ||
157 | // Insert a QMainWindow into the dock widget to allow for a tool bar | |
158 | QMainWindow *dock_main = new QMainWindow(dock); | |
159 | dock_main->setWindowFlags(Qt::Widget); // Remove Qt::Window flag | |
160 | ||
161 | if (type == views::ViewTypeTrace) | |
162 | // This view will be the main view if there's no main bar yet | |
163 | v = make_shared<views::trace::View>(session, (main_bar ? false : true), dock_main); | |
164 | #ifdef ENABLE_DECODE | |
165 | if (type == views::ViewTypeDecoderOutput) | |
166 | v = make_shared<views::decoder_output::View>(session, false, dock_main); | |
167 | #endif | |
168 | ||
169 | if (!v) | |
170 | return nullptr; | |
171 | ||
172 | view_docks_[dock] = v; | |
173 | session.register_view(v); | |
174 | ||
175 | dock_main->setCentralWidget(v.get()); | |
176 | dock->setWidget(dock_main); | |
177 | ||
178 | dock->setContextMenuPolicy(Qt::PreventContextMenu); | |
179 | dock->setFeatures(QDockWidget::DockWidgetMovable | | |
180 | QDockWidget::DockWidgetFloatable | QDockWidget::DockWidgetClosable); | |
181 | ||
182 | QAbstractButton *close_btn = | |
183 | dock->findChildren<QAbstractButton*>("qt_dockwidget_closebutton") // clazy:exclude=detaching-temporary | |
184 | .front(); | |
185 | ||
186 | connect(close_btn, SIGNAL(clicked(bool)), | |
187 | this, SLOT(on_view_close_clicked())); | |
188 | ||
189 | connect(&session, SIGNAL(trigger_event(int, util::Timestamp)), | |
190 | qobject_cast<views::ViewBase*>(v.get()), | |
191 | SLOT(trigger_event(int, util::Timestamp))); | |
192 | ||
193 | if (type == views::ViewTypeTrace) { | |
194 | views::trace::View *tv = | |
195 | qobject_cast<views::trace::View*>(v.get()); | |
196 | ||
197 | if (!main_bar) { | |
198 | /* Initial view, create the main bar */ | |
199 | main_bar = make_shared<MainBar>(session, this, tv); | |
200 | dock_main->addToolBar(main_bar.get()); | |
201 | session.set_main_bar(main_bar); | |
202 | ||
203 | connect(main_bar.get(), SIGNAL(new_view(Session*, int)), | |
204 | this, SLOT(on_new_view(Session*, int))); | |
205 | connect(main_bar.get(), SIGNAL(show_decoder_selector(Session*)), | |
206 | this, SLOT(on_show_decoder_selector(Session*))); | |
207 | ||
208 | main_bar->action_view_show_cursors()->setChecked(tv->cursors_shown()); | |
209 | ||
210 | /* For the main view we need to prevent the dock widget from | |
211 | * closing itself when its close button is clicked. This is | |
212 | * so we can confirm with the user first. Regular views don't | |
213 | * need this */ | |
214 | close_btn->disconnect(SIGNAL(clicked()), dock, SLOT(close())); | |
215 | } else { | |
216 | /* Additional view, create a standard bar */ | |
217 | pv::views::trace::StandardBar *standard_bar = | |
218 | new pv::views::trace::StandardBar(session, this, tv); | |
219 | dock_main->addToolBar(standard_bar); | |
220 | ||
221 | standard_bar->action_view_show_cursors()->setChecked(tv->cursors_shown()); | |
222 | } | |
223 | } | |
224 | ||
225 | return v; | |
226 | } | |
227 | ||
228 | void MainWindow::remove_view(shared_ptr<views::ViewBase> view) | |
229 | { | |
230 | for (shared_ptr<Session> session : sessions_) { | |
231 | if (!session->has_view(view)) | |
232 | continue; | |
233 | ||
234 | // Find the dock the view is contained in and remove it | |
235 | for (auto& entry : view_docks_) | |
236 | if (entry.second == view) { | |
237 | // Remove the view from the session | |
238 | session->deregister_view(view); | |
239 | ||
240 | // Remove the view from its parent; otherwise, Qt will | |
241 | // call deleteLater() on it, which causes a double free | |
242 | // since the shared_ptr in view_docks_ doesn't know | |
243 | // that Qt keeps a pointer to the view around | |
244 | view->setParent(nullptr); | |
245 | ||
246 | // Delete the view's dock widget and all widgets inside it | |
247 | entry.first->deleteLater(); | |
248 | ||
249 | // Remove the dock widget from the list and stop iterating | |
250 | view_docks_.erase(entry.first); | |
251 | break; | |
252 | } | |
253 | } | |
254 | } | |
255 | ||
256 | shared_ptr<subwindows::SubWindowBase> MainWindow::add_subwindow( | |
257 | subwindows::SubWindowType type, Session &session) | |
258 | { | |
259 | GlobalSettings settings; | |
260 | shared_ptr<subwindows::SubWindowBase> v; | |
261 | ||
262 | QMainWindow *main_window = nullptr; | |
263 | for (auto& entry : session_windows_) | |
264 | if (entry.first.get() == &session) | |
265 | main_window = entry.second; | |
266 | ||
267 | assert(main_window); | |
268 | ||
269 | QString title = ""; | |
270 | ||
271 | switch (type) { | |
272 | #ifdef ENABLE_DECODE | |
273 | case subwindows::SubWindowTypeDecoderSelector: | |
274 | title = tr("Decoder Selector"); | |
275 | break; | |
276 | #endif | |
277 | default: | |
278 | break; | |
279 | } | |
280 | ||
281 | QDockWidget* dock = new QDockWidget(title, main_window); | |
282 | dock->setObjectName(title); | |
283 | main_window->addDockWidget(Qt::TopDockWidgetArea, dock); | |
284 | ||
285 | // Insert a QMainWindow into the dock widget to allow for a tool bar | |
286 | QMainWindow *dock_main = new QMainWindow(dock); | |
287 | dock_main->setWindowFlags(Qt::Widget); // Remove Qt::Window flag | |
288 | ||
289 | #ifdef ENABLE_DECODE | |
290 | if (type == subwindows::SubWindowTypeDecoderSelector) | |
291 | v = make_shared<subwindows::decoder_selector::SubWindow>(session, dock_main); | |
292 | #endif | |
293 | ||
294 | if (!v) | |
295 | return nullptr; | |
296 | ||
297 | sub_windows_[dock] = v; | |
298 | dock_main->setCentralWidget(v.get()); | |
299 | dock->setWidget(dock_main); | |
300 | ||
301 | dock->setContextMenuPolicy(Qt::PreventContextMenu); | |
302 | dock->setFeatures(QDockWidget::DockWidgetMovable | | |
303 | QDockWidget::DockWidgetFloatable | QDockWidget::DockWidgetClosable); | |
304 | ||
305 | QAbstractButton *close_btn = | |
306 | dock->findChildren<QAbstractButton*> // clazy:exclude=detaching-temporary | |
307 | ("qt_dockwidget_closebutton").front(); | |
308 | ||
309 | // Allow all subwindows to be closed via ESC. | |
310 | close_btn->setShortcut(QKeySequence(Qt::Key_Escape)); | |
311 | ||
312 | connect(close_btn, SIGNAL(clicked(bool)), | |
313 | this, SLOT(on_sub_window_close_clicked())); | |
314 | ||
315 | if (v->has_toolbar()) | |
316 | dock_main->addToolBar(v->create_toolbar(dock_main)); | |
317 | ||
318 | if (v->minimum_width() > 0) | |
319 | dock->setMinimumSize(v->minimum_width(), 0); | |
320 | ||
321 | return v; | |
322 | } | |
323 | ||
324 | shared_ptr<Session> MainWindow::add_session() | |
325 | { | |
326 | static int last_session_id = 1; | |
327 | QString name = tr("Session %1").arg(last_session_id++); | |
328 | ||
329 | shared_ptr<Session> session = make_shared<Session>(device_manager_, name); | |
330 | ||
331 | connect(session.get(), SIGNAL(add_view(views::ViewType, Session*)), | |
332 | this, SLOT(on_add_view(views::ViewType, Session*))); | |
333 | connect(session.get(), SIGNAL(name_changed()), | |
334 | this, SLOT(on_session_name_changed())); | |
335 | connect(session.get(), SIGNAL(device_changed()), | |
336 | this, SLOT(on_session_device_changed())); | |
337 | connect(session.get(), SIGNAL(capture_state_changed(int)), | |
338 | this, SLOT(on_session_capture_state_changed(int))); | |
339 | ||
340 | sessions_.push_back(session); | |
341 | ||
342 | QMainWindow *window = new QMainWindow(); | |
343 | window->setWindowFlags(Qt::Widget); // Remove Qt::Window flag | |
344 | session_windows_[session] = window; | |
345 | ||
346 | int index = session_selector_.addTab(window, name); | |
347 | session_selector_.setCurrentIndex(index); | |
348 | last_focused_session_ = session; | |
349 | ||
350 | window->setDockNestingEnabled(true); | |
351 | ||
352 | shared_ptr<views::ViewBase> main_view = add_view(views::ViewTypeTrace, *session); | |
353 | ||
354 | return session; | |
355 | } | |
356 | ||
357 | void MainWindow::remove_session(shared_ptr<Session> session) | |
358 | { | |
359 | // Determine the height of the button before it collapses | |
360 | int h = new_session_button_->height(); | |
361 | ||
362 | // Stop capture while the session still exists so that the UI can be | |
363 | // updated in case we're currently running. If so, this will schedule a | |
364 | // call to our on_capture_state_changed() slot for the next run of the | |
365 | // event loop. We need to have this executed immediately or else it will | |
366 | // be dismissed since the session object will be deleted by the time we | |
367 | // leave this method and the event loop gets a chance to run again. | |
368 | session->stop_capture(); | |
369 | QApplication::processEvents(); | |
370 | ||
371 | for (const shared_ptr<views::ViewBase>& view : session->views()) | |
372 | remove_view(view); | |
373 | ||
374 | QMainWindow *window = session_windows_.at(session); | |
375 | session_selector_.removeTab(session_selector_.indexOf(window)); | |
376 | ||
377 | session_windows_.erase(session); | |
378 | ||
379 | if (last_focused_session_ == session) | |
380 | last_focused_session_.reset(); | |
381 | ||
382 | // Remove the session from our list of sessions (which also destroys it) | |
383 | sessions_.remove_if([&](shared_ptr<Session> s) { | |
384 | return s == session; }); | |
385 | ||
386 | if (sessions_.empty()) { | |
387 | // When there are no more tabs, the height of the QTabWidget | |
388 | // drops to zero. We must prevent this to keep the static | |
389 | // widgets visible | |
390 | for (QWidget *w : static_tab_widget_->findChildren<QWidget*>()) // clazy:exclude=range-loop | |
391 | w->setMinimumHeight(h); | |
392 | ||
393 | int margin = static_tab_widget_->layout()->contentsMargins().bottom(); | |
394 | static_tab_widget_->setMinimumHeight(h + 2 * margin); | |
395 | session_selector_.setMinimumHeight(h + 2 * margin); | |
396 | ||
397 | // Update the window title if there is no view left to | |
398 | // generate focus change events | |
399 | setWindowTitle(WindowTitle); | |
400 | } | |
401 | } | |
402 | ||
403 | void MainWindow::add_session_with_file(string open_file_name, | |
404 | string open_file_format, string open_setup_file_name) | |
405 | { | |
406 | shared_ptr<Session> session = add_session(); | |
407 | session->load_init_file(open_file_name, open_file_format, open_setup_file_name); | |
408 | } | |
409 | ||
410 | void MainWindow::add_default_session() | |
411 | { | |
412 | // Only add the default session if there would be no session otherwise | |
413 | if (sessions_.size() > 0) | |
414 | return; | |
415 | ||
416 | shared_ptr<Session> session = add_session(); | |
417 | ||
418 | // Check the list of available devices. Prefer the one that was | |
419 | // found with user supplied scan specs (if applicable). Then try | |
420 | // one of the auto detected devices that are not the demo device. | |
421 | // Pick demo in the absence of "genuine" hardware devices. | |
422 | shared_ptr<devices::HardwareDevice> user_device, other_device, demo_device; | |
423 | for (const shared_ptr<devices::HardwareDevice>& dev : device_manager_.devices()) { | |
424 | if (dev == device_manager_.user_spec_device()) { | |
425 | user_device = dev; | |
426 | } else if (dev->hardware_device()->driver()->name() == "demo") { | |
427 | demo_device = dev; | |
428 | } else { | |
429 | other_device = dev; | |
430 | } | |
431 | } | |
432 | if (user_device) | |
433 | session->select_device(user_device); | |
434 | else if (other_device) | |
435 | session->select_device(other_device); | |
436 | else | |
437 | session->select_device(demo_device); | |
438 | } | |
439 | ||
440 | void MainWindow::save_sessions() | |
441 | { | |
442 | QSettings settings; | |
443 | int id = 0; | |
444 | ||
445 | for (shared_ptr<Session>& session : sessions_) { | |
446 | // Ignore sessions using the demo device or no device at all | |
447 | if (session->device()) { | |
448 | shared_ptr<devices::HardwareDevice> device = | |
449 | dynamic_pointer_cast< devices::HardwareDevice > | |
450 | (session->device()); | |
451 | ||
452 | if (device && | |
453 | device->hardware_device()->driver()->name() == "demo") | |
454 | continue; | |
455 | ||
456 | settings.beginGroup("Session" + QString::number(id++)); | |
457 | settings.remove(""); // Remove all keys in this group | |
458 | session->save_settings(settings); | |
459 | settings.endGroup(); | |
460 | } | |
461 | } | |
462 | ||
463 | settings.setValue("sessions", id); | |
464 | } | |
465 | ||
466 | void MainWindow::restore_sessions() | |
467 | { | |
468 | QSettings settings; | |
469 | int i, session_count; | |
470 | ||
471 | session_count = settings.value("sessions", 0).toInt(); | |
472 | ||
473 | for (i = 0; i < session_count; i++) { | |
474 | settings.beginGroup("Session" + QString::number(i)); | |
475 | shared_ptr<Session> session = add_session(); | |
476 | session->restore_settings(settings); | |
477 | settings.endGroup(); | |
478 | } | |
479 | } | |
480 | ||
481 | void MainWindow::setup_ui() | |
482 | { | |
483 | setObjectName(QString::fromUtf8("MainWindow")); | |
484 | ||
485 | setCentralWidget(&session_selector_); | |
486 | ||
487 | // Set the window icon | |
488 | QIcon icon; | |
489 | icon.addFile(QString(":/icons/pulseview.png")); | |
490 | setWindowIcon(icon); | |
491 | ||
492 | // Set up keyboard shortcuts that affect all views at once | |
493 | view_sticky_scrolling_shortcut_ = new QShortcut(QKeySequence(Qt::Key_S), this, SLOT(on_view_sticky_scrolling_shortcut())); | |
494 | view_sticky_scrolling_shortcut_->setAutoRepeat(false); | |
495 | ||
496 | view_show_sampling_points_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Period), this, SLOT(on_view_show_sampling_points_shortcut())); | |
497 | view_show_sampling_points_shortcut_->setAutoRepeat(false); | |
498 | ||
499 | view_show_analog_minor_grid_shortcut_ = new QShortcut(QKeySequence(Qt::Key_G), this, SLOT(on_view_show_analog_minor_grid_shortcut())); | |
500 | view_show_analog_minor_grid_shortcut_->setAutoRepeat(false); | |
501 | ||
502 | view_colored_bg_shortcut_ = new QShortcut(QKeySequence(Qt::Key_B), this, SLOT(on_view_colored_bg_shortcut())); | |
503 | view_colored_bg_shortcut_->setAutoRepeat(false); | |
504 | ||
505 | // Set up the tab area | |
506 | new_session_button_ = new QToolButton(); | |
507 | new_session_button_->setIcon(QIcon::fromTheme("document-new", | |
508 | QIcon(":/icons/document-new.png"))); | |
509 | new_session_button_->setToolTip(tr("Create New Session")); | |
510 | new_session_button_->setAutoRaise(true); | |
511 | ||
512 | run_stop_button_ = new QToolButton(); | |
513 | run_stop_button_->setAutoRaise(true); | |
514 | run_stop_button_->setToolButtonStyle(Qt::ToolButtonTextBesideIcon); | |
515 | run_stop_button_->setToolTip(tr("Start/Stop Acquisition")); | |
516 | ||
517 | run_stop_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Space), run_stop_button_, SLOT(click())); | |
518 | run_stop_shortcut_->setAutoRepeat(false); | |
519 | ||
520 | settings_button_ = new QToolButton(); | |
521 | settings_button_->setIcon(QIcon::fromTheme("preferences-system", | |
522 | QIcon(":/icons/preferences-system.png"))); | |
523 | settings_button_->setToolTip(tr("Settings")); | |
524 | settings_button_->setAutoRaise(true); | |
525 | ||
526 | QFrame *separator1 = new QFrame(); | |
527 | separator1->setFrameStyle(QFrame::VLine | QFrame::Raised); | |
528 | QFrame *separator2 = new QFrame(); | |
529 | separator2->setFrameStyle(QFrame::VLine | QFrame::Raised); | |
530 | ||
531 | QHBoxLayout* layout = new QHBoxLayout(); | |
532 | layout->setContentsMargins(2, 2, 2, 2); | |
533 | layout->addWidget(new_session_button_); | |
534 | layout->addWidget(separator1); | |
535 | layout->addWidget(run_stop_button_); | |
536 | layout->addWidget(separator2); | |
537 | layout->addWidget(settings_button_); | |
538 | ||
539 | static_tab_widget_ = new QWidget(); | |
540 | static_tab_widget_->setLayout(layout); | |
541 | ||
542 | session_selector_.setCornerWidget(static_tab_widget_, Qt::TopLeftCorner); | |
543 | session_selector_.setTabsClosable(true); | |
544 | ||
545 | close_application_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q), this, SLOT(close())); | |
546 | close_application_shortcut_->setAutoRepeat(false); | |
547 | ||
548 | close_current_tab_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_W), this, SLOT(on_close_current_tab())); | |
549 | ||
550 | connect(new_session_button_, SIGNAL(clicked(bool)), | |
551 | this, SLOT(on_new_session_clicked())); | |
552 | connect(run_stop_button_, SIGNAL(clicked(bool)), | |
553 | this, SLOT(on_run_stop_clicked())); | |
554 | connect(settings_button_, SIGNAL(clicked(bool)), | |
555 | this, SLOT(on_settings_clicked())); | |
556 | ||
557 | connect(&session_selector_, SIGNAL(tabCloseRequested(int)), | |
558 | this, SLOT(on_tab_close_requested(int))); | |
559 | connect(&session_selector_, SIGNAL(currentChanged(int)), | |
560 | this, SLOT(on_tab_changed(int))); | |
561 | ||
562 | ||
563 | connect(static_cast<QApplication *>(QCoreApplication::instance()), | |
564 | SIGNAL(focusChanged(QWidget*, QWidget*)), | |
565 | this, SLOT(on_focus_changed())); | |
566 | } | |
567 | ||
568 | void MainWindow::update_acq_button(Session *session) | |
569 | { | |
570 | int state = session->get_capture_state(); | |
571 | ||
572 | const QString run_caption = | |
573 | session->using_file_device() ? tr("Reload") : tr("Run"); | |
574 | ||
575 | const QIcon *icons[] = {&icon_grey_, &icon_red_, &icon_green_}; | |
576 | run_stop_button_->setIcon(*icons[state]); | |
577 | run_stop_button_->setText((state == pv::Session::Stopped) ? | |
578 | run_caption : tr("Stop")); | |
579 | } | |
580 | ||
581 | void MainWindow::save_ui_settings() | |
582 | { | |
583 | QSettings settings; | |
584 | ||
585 | settings.beginGroup("MainWindow"); | |
586 | settings.setValue("state", saveState()); | |
587 | settings.setValue("geometry", saveGeometry()); | |
588 | settings.endGroup(); | |
589 | } | |
590 | ||
591 | void MainWindow::restore_ui_settings() | |
592 | { | |
593 | QSettings settings; | |
594 | ||
595 | settings.beginGroup("MainWindow"); | |
596 | ||
597 | if (settings.contains("geometry")) { | |
598 | restoreGeometry(settings.value("geometry").toByteArray()); | |
599 | restoreState(settings.value("state").toByteArray()); | |
600 | } else | |
601 | resize(1000, 720); | |
602 | ||
603 | settings.endGroup(); | |
604 | } | |
605 | ||
606 | shared_ptr<Session> MainWindow::get_tab_session(int index) const | |
607 | { | |
608 | // Find the session that belongs to the tab's main window | |
609 | for (auto& entry : session_windows_) | |
610 | if (entry.second == session_selector_.widget(index)) | |
611 | return entry.first; | |
612 | ||
613 | return nullptr; | |
614 | } | |
615 | ||
616 | void MainWindow::closeEvent(QCloseEvent *event) | |
617 | { | |
618 | bool data_saved = true; | |
619 | ||
620 | for (auto& entry : session_windows_) | |
621 | if (!entry.first->data_saved()) | |
622 | data_saved = false; | |
623 | ||
624 | if (!data_saved && (QMessageBox::question(this, tr("Confirmation"), | |
625 | tr("There is unsaved data. Close anyway?"), | |
626 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::No)) { | |
627 | event->ignore(); | |
628 | } else { | |
629 | save_ui_settings(); | |
630 | save_sessions(); | |
631 | event->accept(); | |
632 | } | |
633 | } | |
634 | ||
635 | QMenu* MainWindow::createPopupMenu() | |
636 | { | |
637 | return nullptr; | |
638 | } | |
639 | ||
640 | bool MainWindow::restoreState(const QByteArray &state, int version) | |
641 | { | |
642 | (void)state; | |
643 | (void)version; | |
644 | ||
645 | // Do nothing. We don't want Qt to handle this, or else it | |
646 | // will try to restore all the dock widgets and create havoc. | |
647 | ||
648 | return false; | |
649 | } | |
650 | ||
651 | void MainWindow::on_add_view(views::ViewType type, Session *session) | |
652 | { | |
653 | // We get a pointer and need a reference | |
654 | for (shared_ptr<Session>& s : sessions_) | |
655 | if (s.get() == session) | |
656 | add_view(type, *s); | |
657 | } | |
658 | ||
659 | void MainWindow::on_focus_changed() | |
660 | { | |
661 | shared_ptr<views::ViewBase> view = get_active_view(); | |
662 | ||
663 | if (view) { | |
664 | for (shared_ptr<Session> session : sessions_) { | |
665 | if (session->has_view(view)) { | |
666 | if (session != last_focused_session_) { | |
667 | // Activate correct tab if necessary | |
668 | shared_ptr<Session> tab_session = get_tab_session( | |
669 | session_selector_.currentIndex()); | |
670 | if (tab_session != session) | |
671 | session_selector_.setCurrentWidget( | |
672 | session_windows_.at(session)); | |
673 | ||
674 | on_focused_session_changed(session); | |
675 | } | |
676 | ||
677 | break; | |
678 | } | |
679 | } | |
680 | } | |
681 | ||
682 | if (sessions_.empty()) | |
683 | setWindowTitle(WindowTitle); | |
684 | } | |
685 | ||
686 | void MainWindow::on_focused_session_changed(shared_ptr<Session> session) | |
687 | { | |
688 | last_focused_session_ = session; | |
689 | ||
690 | setWindowTitle(session->name() + " - " + WindowTitle); | |
691 | ||
692 | // Update the state of the run/stop button, too | |
693 | update_acq_button(session.get()); | |
694 | } | |
695 | ||
696 | void MainWindow::on_new_session_clicked() | |
697 | { | |
698 | add_session(); | |
699 | } | |
700 | ||
701 | void MainWindow::on_run_stop_clicked() | |
702 | { | |
703 | shared_ptr<Session> session = last_focused_session_; | |
704 | ||
705 | if (!session) | |
706 | return; | |
707 | ||
708 | switch (session->get_capture_state()) { | |
709 | case Session::Stopped: | |
710 | session->start_capture([&](QString message) { | |
711 | show_session_error("Capture failed", message); }); | |
712 | break; | |
713 | case Session::AwaitingTrigger: | |
714 | case Session::Running: | |
715 | session->stop_capture(); | |
716 | break; | |
717 | } | |
718 | } | |
719 | ||
720 | void MainWindow::on_settings_clicked() | |
721 | { | |
722 | dialogs::Settings dlg(device_manager_); | |
723 | dlg.exec(); | |
724 | } | |
725 | ||
726 | void MainWindow::on_session_name_changed() | |
727 | { | |
728 | // Update the corresponding dock widget's name(s) | |
729 | Session *session = qobject_cast<Session*>(QObject::sender()); | |
730 | assert(session); | |
731 | ||
732 | for (const shared_ptr<views::ViewBase>& view : session->views()) { | |
733 | // Get the dock that contains the view | |
734 | for (auto& entry : view_docks_) | |
735 | if (entry.second == view) { | |
736 | entry.first->setObjectName(session->name()); | |
737 | entry.first->setWindowTitle(session->name()); | |
738 | } | |
739 | } | |
740 | ||
741 | // Update the tab widget by finding the main window and the tab from that | |
742 | for (auto& entry : session_windows_) | |
743 | if (entry.first.get() == session) { | |
744 | QMainWindow *window = entry.second; | |
745 | const int index = session_selector_.indexOf(window); | |
746 | session_selector_.setTabText(index, session->name()); | |
747 | } | |
748 | ||
749 | // Refresh window title if the affected session has focus | |
750 | if (session == last_focused_session_.get()) | |
751 | setWindowTitle(session->name() + " - " + WindowTitle); | |
752 | } | |
753 | ||
754 | void MainWindow::on_session_device_changed() | |
755 | { | |
756 | Session *session = qobject_cast<Session*>(QObject::sender()); | |
757 | assert(session); | |
758 | ||
759 | // Ignore if caller is not the currently focused session | |
760 | // unless there is only one session | |
761 | if ((sessions_.size() > 1) && (session != last_focused_session_.get())) | |
762 | return; | |
763 | ||
764 | update_acq_button(session); | |
765 | } | |
766 | ||
767 | void MainWindow::on_session_capture_state_changed(int state) | |
768 | { | |
769 | (void)state; | |
770 | ||
771 | Session *session = qobject_cast<Session*>(QObject::sender()); | |
772 | assert(session); | |
773 | ||
774 | // Ignore if caller is not the currently focused session | |
775 | // unless there is only one session | |
776 | if ((sessions_.size() > 1) && (session != last_focused_session_.get())) | |
777 | return; | |
778 | ||
779 | update_acq_button(session); | |
780 | } | |
781 | ||
782 | void MainWindow::on_new_view(Session *session, int view_type) | |
783 | { | |
784 | // We get a pointer and need a reference | |
785 | for (shared_ptr<Session>& s : sessions_) | |
786 | if (s.get() == session) | |
787 | add_view((views::ViewType)view_type, *s); | |
788 | } | |
789 | ||
790 | void MainWindow::on_view_close_clicked() | |
791 | { | |
792 | // Find the dock widget that contains the close button that was clicked | |
793 | QObject *w = QObject::sender(); | |
794 | QDockWidget *dock = nullptr; | |
795 | ||
796 | while (w) { | |
797 | dock = qobject_cast<QDockWidget*>(w); | |
798 | if (dock) | |
799 | break; | |
800 | w = w->parent(); | |
801 | } | |
802 | ||
803 | // Get the view contained in the dock widget | |
804 | shared_ptr<views::ViewBase> view; | |
805 | ||
806 | for (auto& entry : view_docks_) | |
807 | if (entry.first == dock) | |
808 | view = entry.second; | |
809 | ||
810 | // Deregister the view | |
811 | for (shared_ptr<Session> session : sessions_) { | |
812 | if (!session->has_view(view)) | |
813 | continue; | |
814 | ||
815 | // Also destroy the entire session if its main view is closing... | |
816 | if (view == session->main_view()) { | |
817 | // ...but only if data is saved or the user confirms closing | |
818 | if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"), | |
819 | tr("This session contains unsaved data. Close it anyway?"), | |
820 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes)) | |
821 | remove_session(session); | |
822 | break; | |
823 | } else | |
824 | // All other views can be closed at any time as no data will be lost | |
825 | remove_view(view); | |
826 | } | |
827 | } | |
828 | ||
829 | void MainWindow::on_tab_changed(int index) | |
830 | { | |
831 | shared_ptr<Session> session = get_tab_session(index); | |
832 | ||
833 | if (session) | |
834 | on_focused_session_changed(session); | |
835 | } | |
836 | ||
837 | void MainWindow::on_tab_close_requested(int index) | |
838 | { | |
839 | shared_ptr<Session> session = get_tab_session(index); | |
840 | ||
841 | if (!session) | |
842 | return; | |
843 | ||
844 | if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"), | |
845 | tr("This session contains unsaved data. Close it anyway?"), | |
846 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes)) | |
847 | remove_session(session); | |
848 | } | |
849 | ||
850 | void MainWindow::on_show_decoder_selector(Session *session) | |
851 | { | |
852 | #ifdef ENABLE_DECODE | |
853 | // Close dock widget if it's already showing and return | |
854 | for (auto& entry : sub_windows_) { | |
855 | QDockWidget* dock = entry.first; | |
856 | shared_ptr<subwindows::SubWindowBase> decoder_selector = | |
857 | dynamic_pointer_cast<subwindows::decoder_selector::SubWindow>(entry.second); | |
858 | ||
859 | if (decoder_selector && (&decoder_selector->session() == session)) { | |
860 | sub_windows_.erase(dock); | |
861 | dock->close(); | |
862 | return; | |
863 | } | |
864 | } | |
865 | ||
866 | // We get a pointer and need a reference | |
867 | for (shared_ptr<Session>& s : sessions_) | |
868 | if (s.get() == session) | |
869 | add_subwindow(subwindows::SubWindowTypeDecoderSelector, *s); | |
870 | #endif | |
871 | } | |
872 | ||
873 | void MainWindow::on_sub_window_close_clicked() | |
874 | { | |
875 | // Find the dock widget that contains the close button that was clicked | |
876 | QObject *w = QObject::sender(); | |
877 | QDockWidget *dock = nullptr; | |
878 | ||
879 | while (w) { | |
880 | dock = qobject_cast<QDockWidget*>(w); | |
881 | if (dock) | |
882 | break; | |
883 | w = w->parent(); | |
884 | } | |
885 | ||
886 | sub_windows_.erase(dock); | |
887 | dock->close(); | |
888 | } | |
889 | ||
890 | void MainWindow::on_view_colored_bg_shortcut() | |
891 | { | |
892 | GlobalSettings settings; | |
893 | ||
894 | bool state = settings.value(GlobalSettings::Key_View_ColoredBG).toBool(); | |
895 | settings.setValue(GlobalSettings::Key_View_ColoredBG, !state); | |
896 | } | |
897 | ||
898 | void MainWindow::on_view_sticky_scrolling_shortcut() | |
899 | { | |
900 | GlobalSettings settings; | |
901 | ||
902 | bool state = settings.value(GlobalSettings::Key_View_StickyScrolling).toBool(); | |
903 | settings.setValue(GlobalSettings::Key_View_StickyScrolling, !state); | |
904 | } | |
905 | ||
906 | void MainWindow::on_view_show_sampling_points_shortcut() | |
907 | { | |
908 | GlobalSettings settings; | |
909 | ||
910 | bool state = settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool(); | |
911 | settings.setValue(GlobalSettings::Key_View_ShowSamplingPoints, !state); | |
912 | } | |
913 | ||
914 | void MainWindow::on_view_show_analog_minor_grid_shortcut() | |
915 | { | |
916 | GlobalSettings settings; | |
917 | ||
918 | bool state = settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool(); | |
919 | settings.setValue(GlobalSettings::Key_View_ShowAnalogMinorGrid, !state); | |
920 | } | |
921 | ||
922 | void MainWindow::on_close_current_tab() | |
923 | { | |
924 | int tab = session_selector_.currentIndex(); | |
925 | ||
926 | on_tab_close_requested(tab); | |
927 | } | |
928 | ||
929 | } // namespace pv |