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