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         QCheckBox *show_analog_minor_grid_cb = new QCheckBox();
 144         show_analog_minor_grid_cb->setChecked(settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool());
 145         connect(show_analog_minor_grid_cb, SIGNAL(stateChanged(int)), this, SLOT(on_view_showAnalogMinorGrid_changed(int)));
 146         trace_view_layout->addRow(tr("Show analog minor grid in addition to vdiv grid"), show_analog_minor_grid_cb);
 147
 148         return form;
 149 }
 150
 151 #ifdef ENABLE_DECODE
 152 static gint sort_pds(gconstpointer a, gconstpointer b)
 153 {
 154         const struct srd_decoder *sda, *sdb;
 155
 156         sda = (const struct srd_decoder *)a;
 157         sdb = (const struct srd_decoder *)b;
 158         return strcmp(sda->id, sdb->id);
 159 }
 160 #endif
 161
 162 QWidget *Settings::get_about_page(QWidget *parent) const
 163 {
 164 #ifdef ENABLE_DECODE
 165         struct srd_decoder *dec;
 166 #endif
 167
 168         QLabel *icon = new QLabel();
 169         icon->setPixmap(QPixmap(QString::fromUtf8(":/icons/sigrok-logo-notext.svg")));
 170
 171         /* Setup the version field */
 172         QLabel *version_info = new QLabel();
 173         version_info->setText(tr("%1 %2<br />%3<br /><a href=\"http://%4\">%4</a>")
 174                 .arg(QApplication::applicationName(),
 175                 QApplication::applicationVersion(),
 176                 tr("GNU GPL, version 3 or later"),
 177                 QApplication::organizationDomain()));
 178         version_info->setOpenExternalLinks(true);
 179
 180         shared_ptr<sigrok::Context> context = device_manager_.context();
 181
 182         QString s;
 183         s.append("<table>");
 184
 185         /* Library info */
 186         s.append("<tr><td colspan=\"2\"><b>" +
 187                 tr("Used libraries:") + "</b></td></tr>");
 188         s.append(QString("<tr><td><i>%1</i></td><td>%2</td></tr>")
 189                 .arg(QString("Qt"), qVersion()));
 190         s.append(QString("<tr><td><i>%1</i></td><td>%2 (lib version %3)</td></tr>")
 191                 .arg(QString("libsigrok"), sr_package_version_string_get(), sr_lib_version_string_get()));
 192 #ifdef ENABLE_DECODE
 193         s.append(QString("<tr><td><i>%1</i></td><td>%2 (lib version %3)</td></tr>")
 194                 .arg(QString("libsigrokdecode"), srd_package_version_string_get(), srd_lib_version_string_get()));
 195 #endif
 196
 197         /* Set up the supported field */
 198         s.append("<tr><td colspan=\"2\"><b>" +
 199                 tr("Supported hardware drivers:") + "</b></td></tr>");
 200         for (auto entry : context->drivers()) {
 201                 s.append(QString("<tr><td><i>%1</i></td><td>%2</td></tr>")
 202                         .arg(QString::fromUtf8(entry.first.c_str()),
 203                                 QString::fromUtf8(entry.second->long_name().c_str())));
 204         }
 205
 206         s.append("<tr><td colspan=\"2\"><b>" +
 207                 tr("Supported input formats:") + "</b></td></tr>");
 208         for (auto entry : context->input_formats()) {
 209                 s.append(QString("<tr><td><i>%1</i></td><td>%2</td></tr>")
 210                         .arg(QString::fromUtf8(entry.first.c_str()),
 211                                 QString::fromUtf8(entry.second->description().c_str())));
 212         }
 213
 214         s.append("<tr><td colspan=\"2\"><b>" +
 215                 tr("Supported output formats:") + "</b></td></tr>");
 216         for (auto entry : context->output_formats()) {
 217                 s.append(QString("<tr><td><i>%1</i></td><td>%2</td></tr>")
 218                         .arg(QString::fromUtf8(entry.first.c_str()),
 219                                 QString::fromUtf8(entry.second->description().c_str())));
 220         }
 221
 222 #ifdef ENABLE_DECODE
 223         s.append("<tr><td colspan=\"2\"><b>" +
 224                 tr("Supported protocol decoders:") + "</b></td></tr>");
 225         GSList *sl = g_slist_copy((GSList *)srd_decoder_list());
 226         sl = g_slist_sort(sl, sort_pds);
 227         for (const GSList *l = sl; l; l = l->next) {
 228                 dec = (struct srd_decoder *)l->data;
 229                 s.append(QString("<tr><td><i>%1</i></td><td>%2</td></tr>")
 230                         .arg(QString::fromUtf8(dec->id),
 231                                 QString::fromUtf8(dec->longname)));
 232         }
 233         g_slist_free(sl);
 234 #endif
 235
 236         s.append("</table>");
 237
 238         QTextDocument *supported_doc = new QTextDocument();
 239         supported_doc->setHtml(s);
 240
 241         QTextBrowser *support_list = new QTextBrowser();
 242         support_list->setDocument(supported_doc);
 243
 244         QGridLayout *layout = new QGridLayout();
 245         layout->addWidget(icon, 0, 0, 1, 1);
 246         layout->addWidget(version_info, 0, 1, 1, 1);
 247         layout->addWidget(support_list, 1, 1, 1, 1);
 248
 249         QWidget *page = new QWidget(parent);
 250         page->setLayout(layout);
 251
 252         return page;
 253 }
 254
 255 void Settings::accept()
 256 {
 257         GlobalSettings settings;
 258         settings.stop_tracking();
 259
 260         QDialog::accept();
 261 }
 262
 263 void Settings::reject()
 264 {
 265         GlobalSettings settings;
 266         settings.undo_tracked_changes();
 267
 268         QDialog::reject();
 269 }
 270
 271 void Settings::on_page_changed(QListWidgetItem *current, QListWidgetItem *previous)
 272 {
 273         if (!current)
 274                 current = previous;
 275
 276         pages->setCurrentIndex(page_list->row(current));
 277 }
 278
 279 void Settings::on_view_alwaysZoomToFit_changed(int state)
 280 {
 281         GlobalSettings settings;
 282         settings.setValue(GlobalSettings::Key_View_AlwaysZoomToFit, state ? true : false);
 283 }
 284
 285 void Settings::on_view_colouredBG_changed(int state)
 286 {
 287         GlobalSettings settings;
 288         settings.setValue(GlobalSettings::Key_View_ColouredBG, state ? true : false);
 289 }
 290
 291 void Settings::on_view_stickyScrolling_changed(int state)
 292 {
 293         GlobalSettings settings;
 294         settings.setValue(GlobalSettings::Key_View_StickyScrolling, state ? true : false);
 295 }
 296
 297 void Settings::on_view_showSamplingPoints_changed(int state)
 298 {
 299         GlobalSettings settings;
 300         settings.setValue(GlobalSettings::Key_View_ShowSamplingPoints, state ? true : false);
 301 }
 302
 303 void Settings::on_view_showAnalogMinorGrid_changed(int state)
 304 {
 305         GlobalSettings settings;
 306         settings.setValue(GlobalSettings::Key_View_ShowAnalogMinorGrid, state ? true : false);
 307 }
 308
 309 } // namespace dialogs
 310 } // namespace pv