pv/dialogs/settings.cpp

   1 /*
   2  * This file is part of the PulseView project.
   3  *
   4  * Copyright (C) 2017 Soeren Apel <soeren@apelpie.net>
   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 #include <QApplication>
  21 #include <QCheckBox>
  22 #include <QDialogButtonBox>
  23 #include <QFormLayout>
  24 #include <QGroupBox>
  25 #include <QHBoxLayout>
  26 #include <QLabel>
  27 #include <QString>
  28 #include <QTextBrowser>
  29 #include <QTextDocument>
  30 #include <QVBoxLayout>
  31
  32 #include "settings.hpp"
  33
  34 #include "pv/devicemanager.hpp"
  35 #include "pv/globalsettings.hpp"
  36
  37 #include <libsigrokcxx/libsigrokcxx.hpp>
  38
  39 #ifdef ENABLE_DECODE
  40 #include <libsigrokdecode/libsigrokdecode.h>
  41 #endif
  42
  43 using std::shared_ptr;
  44
  45 namespace pv {
  46 namespace dialogs {
  47
  48 Settings::Settings(DeviceManager &device_manager, QWidget *parent) :
  49         QDialog(parent, nullptr),
  50         device_manager_(device_manager)
  51 {
  52         const int icon_size = 64;
  53
  54         resize(600, 400);
  55
  56         page_list = new QListWidget;
  57         page_list->setViewMode(QListView::IconMode);
  58         page_list->setIconSize(QSize(icon_size, icon_size));
  59         page_list->setMovement(QListView::Static);
  60         page_list->setMaximumWidth(icon_size + icon_size/2);
  61         page_list->setSpacing(12);
  62
  63         pages = new QStackedWidget;
  64         create_pages();
  65         page_list->setCurrentIndex(page_list->model()->index(0, 0));
  66
  67         QHBoxLayout *tab_layout = new QHBoxLayout;
  68         tab_layout->addWidget(page_list);
  69         tab_layout->addWidget(pages, Qt::AlignLeft);
  70
  71         QDialogButtonBox *button_box = new QDialogButtonBox(
  72                 QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
  73
  74         QVBoxLayout* root_layout = new QVBoxLayout(this);
  75         root_layout->addLayout(tab_layout);
  76         root_layout->addWidget(button_box);
  77
  78         connect(button_box, SIGNAL(accepted()), this, SLOT(accept()));
  79         connect(button_box, SIGNAL(rejected()), this, SLOT(reject()));
  80         connect(page_list, SIGNAL(currentItemChanged(QListWidgetItem*, QListWidgetItem*)),
  81                 this, SLOT(on_page_changed(QListWidgetItem*, QListWidgetItem*)));
  82
  83         // Start to record changes
  84         GlobalSettings settings;
  85         settings.start_tracking();
  86 }
  87
  88 void Settings::create_pages()
  89 {
  90         // View page
  91         pages->addWidget(get_view_settings_form(pages));
  92
  93         QListWidgetItem *viewButton = new QListWidgetItem(page_list);
  94         viewButton->setIcon(QIcon(":/icons/settings-views.svg"));
  95         viewButton->setText(tr("Views"));
  96         viewButton->setTextAlignment(Qt::AlignHCenter);
  97         viewButton->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);
  98
  99         // About page
 100         pages->addWidget(get_about_page(pages));
 101
 102         QListWidgetItem *aboutButton = new QListWidgetItem(page_list);
 103         aboutButton->setIcon(QIcon(":/icons/information.svg"));
 104         aboutButton->setText(tr("About"));
 105         aboutButton->setTextAlignment(Qt::AlignHCenter);
 106         aboutButton->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);
 107 }
 108
 109 QWidget *Settings::get_view_settings_form(QWidget *parent) const
 110 {
 111         GlobalSettings settings;
 112
 113         QWidget *form = new QWidget(parent);
 114         QVBoxLayout *form_layout = new QVBoxLayout(form);
 115
 116         // Trace view settings
 117         QGroupBox *trace_view_group = new QGroupBox(tr("Trace View"));
 118         form_layout->addWidget(trace_view_group);
 119
 120         QFormLayout *trace_view_layout = new QFormLayout();
 121         trace_view_group->setLayout(trace_view_layout);
 122
 123         QCheckBox *coloured_bg_cb = new QCheckBox();
 124         coloured_bg_cb->setChecked(settings.value(GlobalSettings::Key_View_ColouredBG).toBool());
 125         connect(coloured_bg_cb, SIGNAL(stateChanged(int)), this, SLOT(on_view_colouredBG_changed(int)));
 126         trace_view_layout->addRow(tr("Use coloured trace &background"), coloured_bg_cb);
 127
 128         QCheckBox *always_zoom_to_fit_cb = new QCheckBox();
 129         always_zoom_to_fit_cb->setChecked(settings.value(GlobalSettings::Key_View_AlwaysZoomToFit).toBool());
 130         connect(always_zoom_to_fit_cb, SIGNAL(stateChanged(int)), this, SLOT(on_view_alwaysZoomToFit_changed(int)));
 131         trace_view_layout->addRow(tr("Constantly perform &zoom-to-fit during capture"), always_zoom_to_fit_cb);
 132
 133         QCheckBox *sticky_scrolling_cb = new QCheckBox();
 134         sticky_scrolling_cb->setChecked(settings.value(GlobalSettings::Key_View_StickyScrolling).toBool());
 135         connect(sticky_scrolling_cb, SIGNAL(stateChanged(int)), this, SLOT(on_view_stickyScrolling_changed(int)));
 136         trace_view_layout->addRow(tr("Always keep &newest samples at the right edge during capture"), sticky_scrolling_cb);
 137
 138         QCheckBox *show_sampling_points_cb = new QCheckBox();
 139         show_sampling_points_cb->setChecked(settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool());
 140         connect(show_sampling_points_cb, SIGNAL(stateChanged(int)), this, SLOT(on_view_showSamplingPoints_changed(int)));
 141         trace_view_layout->addRow(tr("Show data &sampling points"), show_sampling_points_cb);
 142
 143         return form;
 144 }
 145
 146 QWidget *Settings::get_about_page(QWidget *parent) const
 147 {
 148 #ifdef ENABLE_DECODE
 149         struct srd_decoder *dec;
 150 #endif
 151
 152         QLabel *icon = new QLabel();
 153         icon->setPixmap(QPixmap(QString::fromUtf8(":/icons/sigrok-logo-notext.svg")));
 154
 155         /* Setup the version field */
 156         QLabel *version_info = new QLabel();
 157         version_info->setText(tr("%1 %2<br />%3<br /><a href=\"http://%4\">%4</a>")
 158                 .arg(QApplication::applicationName(),
 159                 QApplication::applicationVersion(),
 160                 tr("GNU GPL, version 3 or later"),
 161                 QApplication::organizationDomain()));
 162         version_info->setOpenExternalLinks(true);
 163
 164         shared_ptr<sigrok::Context> context = device_manager_.context();
 165
 166         QString s;
 167         s.append("<table>");
 168
 169         /* Library info */
 170         s.append("<tr><td colspan=\"2\"><b>" +
 171                         tr("Used libraries:") +
 172                         "</b></td></tr>");
 173         s.append(QString("<tr><td><i>%1</i></td><td>%2</td></tr>")
 174                         .arg(QString("Qt"), qVersion()));
 175
 176         /* Set up the supported field */
 177         s.append("<tr><td colspan=\"2\"><b>" +
 178                 tr("Supported hardware drivers:") +
 179                 "</b></td></tr>");
 180         for (auto entry : context->drivers()) {
 181                 s.append(QString("<tr><td><i>%1</i></td><td>%2</td></tr>")
 182                         .arg(QString::fromUtf8(entry.first.c_str()),
 183                                 QString::fromUtf8(entry.second->long_name().c_str())));
 184         }
 185
 186         s.append("<tr><td colspan=\"2\"><b>" +
 187                 tr("Supported input formats:") +
 188                 "</b></td></tr>");
 189         for (auto entry : context->input_formats()) {
 190                 s.append(QString("<tr><td><i>%1</i></td><td>%2</td></tr>")
 191                         .arg(QString::fromUtf8(entry.first.c_str()),
 192                                 QString::fromUtf8(entry.second->description().c_str())));
 193         }
 194
 195         s.append("<tr><td colspan=\"2\"><b>" +
 196                 tr("Supported output formats:") +
 197                 "</b></td></tr>");
 198         for (auto entry : context->output_formats()) {
 199                 s.append(QString("<tr><td><i>%1</i></td><td>%2</td></tr>")
 200                         .arg(QString::fromUtf8(entry.first.c_str()),
 201                                 QString::fromUtf8(entry.second->description().c_str())));
 202         }
 203
 204 #ifdef ENABLE_DECODE
 205         s.append("<tr><td colspan=\"2\"><b>" +
 206                 tr("Supported protocol decoders:") +
 207                 "</b></td></tr>");
 208         for (const GSList *l = srd_decoder_list(); l; l = l->next) {
 209                 dec = (struct srd_decoder *)l->data;
 210                 s.append(QString("<tr><td><i>%1</i></td><td>%2</td></tr>")
 211                         .arg(QString::fromUtf8(dec->id),
 212                                 QString::fromUtf8(dec->longname)));
 213         }
 214 #endif
 215
 216         s.append("</table>");
 217
 218         QTextDocument *supported_doc = new QTextDocument();
 219         supported_doc->setHtml(s);
 220
 221         QTextBrowser *support_list = new QTextBrowser();
 222         support_list->setDocument(supported_doc);
 223
 224         QGridLayout *layout = new QGridLayout();
 225         layout->addWidget(icon, 0, 0, 1, 1);
 226         layout->addWidget(version_info, 0, 1, 1, 1);
 227         layout->addWidget(support_list, 1, 1, 1, 1);
 228
 229         QWidget *page = new QWidget(parent);
 230         page->setLayout(layout);
 231
 232         return page;
 233 }
 234
 235 void Settings::accept()
 236 {
 237         GlobalSettings settings;
 238         settings.stop_tracking();
 239
 240         QDialog::accept();
 241 }
 242
 243 void Settings::reject()
 244 {
 245         GlobalSettings settings;
 246         settings.undo_tracked_changes();
 247
 248         QDialog::reject();
 249 }
 250
 251 void Settings::on_page_changed(QListWidgetItem *current, QListWidgetItem *previous)
 252 {
 253         if (!current)
 254                 current = previous;
 255
 256         pages->setCurrentIndex(page_list->row(current));
 257 }
 258
 259 void Settings::on_view_alwaysZoomToFit_changed(int state)
 260 {
 261         GlobalSettings settings;
 262         settings.setValue(GlobalSettings::Key_View_AlwaysZoomToFit, state ? true : false);
 263 }
 264
 265 void Settings::on_view_colouredBG_changed(int state)
 266 {
 267         GlobalSettings settings;
 268         settings.setValue(GlobalSettings::Key_View_ColouredBG, state ? true : false);
 269 }
 270
 271 void Settings::on_view_stickyScrolling_changed(int state)
 272 {
 273         GlobalSettings settings;
 274         settings.setValue(GlobalSettings::Key_View_StickyScrolling, state ? true : false);
 275 }
 276
 277 void Settings::on_view_showSamplingPoints_changed(int state)
 278 {
 279         GlobalSettings settings;
 280         settings.setValue(GlobalSettings::Key_View_ShowSamplingPoints, state ? true : false);
 281 }
 282
 283 } // namespace dialogs
 284 } // namespace pv