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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, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #include <cassert> | |
22 | ||
23 | #ifdef ENABLE_DECODE | |
24 | #include <libsigrokdecode/libsigrokdecode.h> | |
25 | #endif | |
26 | ||
27 | #include <algorithm> | |
28 | #include <iterator> | |
29 | ||
30 | #include <QAction> | |
31 | #include <QApplication> | |
32 | #include <QCloseEvent> | |
33 | #include <QDockWidget> | |
34 | #include <QSettings> | |
35 | #include <QWidget> | |
36 | ||
37 | #include "mainwindow.hpp" | |
38 | ||
39 | #include "devicemanager.hpp" | |
40 | #include "util.hpp" | |
41 | #include "devices/hardwaredevice.hpp" | |
42 | #include "dialogs/about.hpp" | |
43 | #include "toolbars/mainbar.hpp" | |
44 | #include "view/view.hpp" | |
45 | ||
46 | #include <stdint.h> | |
47 | #include <stdarg.h> | |
48 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
49 | ||
50 | using std::dynamic_pointer_cast; | |
51 | using std::list; | |
52 | using std::make_shared; | |
53 | using std::map; | |
54 | using std::shared_ptr; | |
55 | using std::string; | |
56 | ||
57 | namespace pv { | |
58 | ||
59 | namespace view { | |
60 | class ViewItem; | |
61 | } | |
62 | ||
63 | using toolbars::MainBar; | |
64 | ||
65 | MainWindow::MainWindow(DeviceManager &device_manager, | |
66 | string open_file_name, string open_file_format, | |
67 | QWidget *parent) : | |
68 | QMainWindow(parent), | |
69 | device_manager_(device_manager), | |
70 | action_view_sticky_scrolling_(new QAction(this)), | |
71 | action_view_coloured_bg_(new QAction(this)), | |
72 | action_about_(new QAction(this)) | |
73 | { | |
74 | qRegisterMetaType<util::Timestamp>("util::Timestamp"); | |
75 | ||
76 | setup_ui(); | |
77 | restore_ui_settings(); | |
78 | ||
79 | if (!open_file_name.empty()) { | |
80 | shared_ptr<Session> session = add_session(); | |
81 | session->main_bar()->load_init_file(open_file_name, open_file_format); | |
82 | } | |
83 | ||
84 | // Add empty default session if there aren't any sessions | |
85 | if (sessions_.size() == 0) { | |
86 | shared_ptr<Session> session = add_session(); | |
87 | ||
88 | map<string, string> dev_info; | |
89 | shared_ptr<devices::HardwareDevice> other_device, demo_device; | |
90 | ||
91 | // Use any available device that's not demo | |
92 | for (shared_ptr<devices::HardwareDevice> dev : device_manager_.devices()) { | |
93 | if (dev->hardware_device()->driver()->name() == "demo") { | |
94 | demo_device = dev; | |
95 | } else { | |
96 | other_device = dev; | |
97 | } | |
98 | } | |
99 | ||
100 | // ...and if there isn't any, just use demo then | |
101 | session->main_bar()->select_device(other_device ? | |
102 | other_device : demo_device); | |
103 | } | |
104 | } | |
105 | ||
106 | MainWindow::~MainWindow() | |
107 | { | |
108 | for (auto entry : view_docks_) { | |
109 | ||
110 | const std::shared_ptr<QDockWidget> dock = entry.first; | |
111 | ||
112 | // Remove view from the dock widget's QMainWindow | |
113 | QMainWindow *dock_main = dynamic_cast<QMainWindow*>(dock->widget()); | |
114 | dock_main->setCentralWidget(0); | |
115 | ||
116 | // Remove the QMainWindow | |
117 | dock->setWidget(0); | |
118 | ||
119 | const std::shared_ptr<pv::view::View> view = entry.second; | |
120 | ||
121 | for (shared_ptr<Session> session : sessions_) | |
122 | if (session->has_view(view)) | |
123 | session->deregister_view(view); | |
124 | } | |
125 | } | |
126 | ||
127 | QAction* MainWindow::action_view_sticky_scrolling() const | |
128 | { | |
129 | return action_view_sticky_scrolling_; | |
130 | } | |
131 | ||
132 | QAction* MainWindow::action_view_coloured_bg() const | |
133 | { | |
134 | return action_view_coloured_bg_; | |
135 | } | |
136 | ||
137 | QAction* MainWindow::action_about() const | |
138 | { | |
139 | return action_about_; | |
140 | } | |
141 | ||
142 | shared_ptr<pv::view::View> MainWindow::get_active_view() const | |
143 | { | |
144 | // If there's only one view, use it... | |
145 | if (view_docks_.size() == 1) | |
146 | return view_docks_.begin()->second; | |
147 | ||
148 | // ...otherwise find the dock widget the widget with focus is contained in | |
149 | QObject *w = QApplication::focusWidget(); | |
150 | QDockWidget *dock = 0; | |
151 | ||
152 | while (w) { | |
153 | dock = qobject_cast<QDockWidget*>(w); | |
154 | if (dock) | |
155 | break; | |
156 | w = w->parent(); | |
157 | } | |
158 | ||
159 | // Get the view contained in the dock widget | |
160 | for (auto entry : view_docks_) | |
161 | if (entry.first.get() == dock) | |
162 | return entry.second; | |
163 | ||
164 | return shared_ptr<pv::view::View>(); | |
165 | } | |
166 | ||
167 | shared_ptr<pv::view::View> MainWindow::add_view(const QString &title, | |
168 | view::ViewType type, Session &session) | |
169 | { | |
170 | shared_ptr<pv::view::View> v; | |
171 | ||
172 | if (type == pv::view::TraceView) { | |
173 | shared_ptr<QDockWidget> dock = make_shared<QDockWidget>(title, this); | |
174 | dock->setObjectName(title); | |
175 | addDockWidget(Qt::TopDockWidgetArea, dock.get()); | |
176 | ||
177 | // Insert a QMainWindow into the dock widget to allow for a tool bar | |
178 | QMainWindow *dock_main = new QMainWindow(dock.get()); | |
179 | dock_main->setWindowFlags(Qt::Widget); // Remove Qt::Window flag | |
180 | ||
181 | v = make_shared<pv::view::View>(session, dock_main); | |
182 | view_docks_[dock] = v; | |
183 | session.register_view(v); | |
184 | ||
185 | dock_main->setCentralWidget(v.get()); | |
186 | dock->setWidget(dock_main); | |
187 | ||
188 | dock->setFeatures(QDockWidget::DockWidgetMovable | | |
189 | QDockWidget::DockWidgetFloatable); | |
190 | ||
191 | if (type == view::TraceView) { | |
192 | connect(&session, SIGNAL(trigger_event(util::Timestamp)), v.get(), | |
193 | SLOT(trigger_event(util::Timestamp))); | |
194 | ||
195 | v->enable_sticky_scrolling(action_view_sticky_scrolling_->isChecked()); | |
196 | v->enable_coloured_bg(action_view_coloured_bg_->isChecked()); | |
197 | ||
198 | shared_ptr<MainBar> main_bar = session.main_bar(); | |
199 | if (!main_bar) { | |
200 | main_bar = make_shared<MainBar>(session, *this); | |
201 | dock_main->addToolBar(main_bar.get()); | |
202 | session.set_main_bar(main_bar); | |
203 | } | |
204 | main_bar->action_view_show_cursors()->setChecked(v->cursors_shown()); | |
205 | ||
206 | connect(v.get(), SIGNAL(always_zoom_to_fit_changed(bool)), | |
207 | main_bar.get(), SLOT(on_always_zoom_to_fit_changed(bool))); | |
208 | } | |
209 | } | |
210 | ||
211 | return v; | |
212 | } | |
213 | ||
214 | shared_ptr<Session> MainWindow::add_session() | |
215 | { | |
216 | int id = sessions_.size(); | |
217 | QString name = tr("Untitled-%1").arg(id + 1); | |
218 | ||
219 | shared_ptr<Session> session = make_shared<Session>(device_manager_, name); | |
220 | ||
221 | connect(session.get(), SIGNAL(add_view(const QString&, view::ViewType, Session*)), | |
222 | this, SLOT(on_add_view(const QString&, view::ViewType, Session*))); | |
223 | ||
224 | sessions_.push_back(session); | |
225 | ||
226 | shared_ptr<view::View> main_view = | |
227 | add_view(name, pv::view::TraceView, *session); | |
228 | ||
229 | return session; | |
230 | } | |
231 | ||
232 | void MainWindow::setup_ui() | |
233 | { | |
234 | setObjectName(QString::fromUtf8("MainWindow")); | |
235 | ||
236 | // Set the window icon | |
237 | QIcon icon; | |
238 | icon.addFile(QString(":/icons/sigrok-logo-notext.png")); | |
239 | setWindowIcon(icon); | |
240 | ||
241 | action_view_sticky_scrolling_->setCheckable(true); | |
242 | action_view_sticky_scrolling_->setChecked(true); | |
243 | action_view_sticky_scrolling_->setShortcut(QKeySequence(Qt::Key_S)); | |
244 | action_view_sticky_scrolling_->setObjectName( | |
245 | QString::fromUtf8("actionViewStickyScrolling")); | |
246 | action_view_sticky_scrolling_->setText(tr("&Sticky Scrolling")); | |
247 | ||
248 | action_view_coloured_bg_->setCheckable(true); | |
249 | action_view_coloured_bg_->setChecked(true); | |
250 | action_view_coloured_bg_->setShortcut(QKeySequence(Qt::Key_B)); | |
251 | action_view_coloured_bg_->setObjectName( | |
252 | QString::fromUtf8("actionViewColouredBg")); | |
253 | action_view_coloured_bg_->setText(tr("Use &coloured backgrounds")); | |
254 | ||
255 | action_about_->setObjectName(QString::fromUtf8("actionAbout")); | |
256 | action_about_->setText(tr("&About...")); | |
257 | ||
258 | // Set the title | |
259 | setWindowTitle(tr("PulseView")); | |
260 | } | |
261 | ||
262 | void MainWindow::save_ui_settings() | |
263 | { | |
264 | QSettings settings; | |
265 | int id = 0; | |
266 | ||
267 | settings.beginGroup("MainWindow"); | |
268 | settings.setValue("state", saveState()); | |
269 | settings.setValue("geometry", saveGeometry()); | |
270 | settings.endGroup(); | |
271 | ||
272 | for (shared_ptr<Session> session : sessions_) { | |
273 | // Ignore sessions using the demo device | |
274 | if (session->device()) { | |
275 | shared_ptr<devices::HardwareDevice> device = | |
276 | dynamic_pointer_cast< devices::HardwareDevice > | |
277 | (session->device()); | |
278 | ||
279 | if (device && | |
280 | device->hardware_device()->driver()->name() == "demo") | |
281 | continue; | |
282 | } | |
283 | ||
284 | settings.beginGroup("Session" + QString::number(id++)); | |
285 | settings.remove(""); // Remove all keys in this group | |
286 | session->save_settings(settings); | |
287 | settings.endGroup(); | |
288 | } | |
289 | ||
290 | settings.setValue("sessions", id); | |
291 | } | |
292 | ||
293 | void MainWindow::restore_ui_settings() | |
294 | { | |
295 | QSettings settings; | |
296 | int i, session_count; | |
297 | ||
298 | settings.beginGroup("MainWindow"); | |
299 | ||
300 | if (settings.contains("geometry")) { | |
301 | restoreGeometry(settings.value("geometry").toByteArray()); | |
302 | restoreState(settings.value("state").toByteArray()); | |
303 | } else | |
304 | resize(1000, 720); | |
305 | ||
306 | settings.endGroup(); | |
307 | ||
308 | session_count = settings.value("sessions", 0).toInt(); | |
309 | ||
310 | for (i = 0; i < session_count; i++) { | |
311 | settings.beginGroup("Session" + QString::number(i)); | |
312 | shared_ptr<Session> session = add_session(); | |
313 | session->restore_settings(settings); | |
314 | settings.endGroup(); | |
315 | } | |
316 | } | |
317 | ||
318 | void MainWindow::closeEvent(QCloseEvent *event) | |
319 | { | |
320 | save_ui_settings(); | |
321 | event->accept(); | |
322 | } | |
323 | ||
324 | QMenu* MainWindow::createPopupMenu() | |
325 | { | |
326 | return nullptr; | |
327 | } | |
328 | ||
329 | bool MainWindow::restoreState(const QByteArray &state, int version) | |
330 | { | |
331 | (void)state; | |
332 | (void)version; | |
333 | ||
334 | // Do nothing. We don't want Qt to handle this, or else it | |
335 | // will try to restore all the dock widgets and create havoc. | |
336 | ||
337 | return false; | |
338 | } | |
339 | ||
340 | void MainWindow::on_add_view(const QString &title, view::ViewType type, | |
341 | Session *session) | |
342 | { | |
343 | // We get a pointer and need a reference | |
344 | for (std::shared_ptr<Session> s : sessions_) | |
345 | if (s.get() == session) | |
346 | add_view(title, type, *s); | |
347 | } | |
348 | ||
349 | void MainWindow::on_actionViewStickyScrolling_triggered() | |
350 | { | |
351 | shared_ptr<pv::view::View> view = get_active_view(); | |
352 | if (view) | |
353 | view->enable_sticky_scrolling(action_view_sticky_scrolling_->isChecked()); | |
354 | } | |
355 | ||
356 | void MainWindow::on_actionViewColouredBg_triggered() | |
357 | { | |
358 | shared_ptr<pv::view::View> view = get_active_view(); | |
359 | if (view) | |
360 | view->enable_coloured_bg(action_view_coloured_bg_->isChecked()); | |
361 | } | |
362 | ||
363 | void MainWindow::on_actionAbout_triggered() | |
364 | { | |
365 | dialogs::About dlg(device_manager_.context(), this); | |
366 | dlg.exec(); | |
367 | } | |
368 | ||
369 | } // namespace pv |