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
  64         QHBoxLayout *tab_layout = new QHBoxLayout;
  65         tab_layout->addWidget(page_list);
  66         tab_layout->addWidget(pages, Qt::AlignLeft);
  67
  68         QDialogButtonBox *button_box = new QDialogButtonBox(
  69                 QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
  70
  71         QVBoxLayout* root_layout = new QVBoxLayout(this);
  72         root_layout->addLayout(tab_layout);
  73         root_layout->addWidget(button_box);
  74
  75         connect(button_box, SIGNAL(accepted()), this, SLOT(accept()));
  76         connect(button_box, SIGNAL(rejected()), this, SLOT(reject()));
  77         connect(page_list, SIGNAL(currentItemChanged(QListWidgetItem*, QListWidgetItem*)),
  78                 this, SLOT(on_page_changed(QListWidgetItem*, QListWidgetItem*)));
  79
  80         // Start to record changes
  81         GlobalSettings settings;
  82         settings.start_tracking();
  83 }
  84
  85 void Settings::create_pages()
  86 {
  87         // View page
  88         pages->addWidget(get_view_settings_form(pages));
  89
  90         QListWidgetItem *viewButton = new QListWidgetItem(page_list);
  91         viewButton->setIcon(QIcon(":/icons/sigrok-logo-notext.svg"));
  92         viewButton->setText(tr("Views"));
  93         viewButton->setTextAlignment(Qt::AlignHCenter);
  94         viewButton->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);
  95
  96         // About page
  97         pages->addWidget(get_about_page(pages));
  98
  99         QListWidgetItem *aboutButton = new QListWidgetItem(page_list);
 100         aboutButton->setIcon(QIcon(":/icons/information.svg"));
 101         aboutButton->setText(tr("About"));
 102         aboutButton->setTextAlignment(Qt::AlignHCenter);
 103         aboutButton->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);
 104 }
 105
 106 QWidget *Settings::get_view_settings_form(QWidget *parent) const
 107 {
 108         GlobalSettings settings;
 109
 110         QWidget *form = new QWidget(parent);
 111         QVBoxLayout *form_layout = new QVBoxLayout(form);
 112
 113         // Trace view settings
 114         QGroupBox *trace_view_group = new QGroupBox(tr("Trace View"));
 115         form_layout->addWidget(trace_view_group);
 116
 117         QFormLayout *trace_view_layout = new QFormLayout();
 118         trace_view_group->setLayout(trace_view_layout);
 119
 120         QCheckBox *coloured_bg_cb = new QCheckBox();
 121         coloured_bg_cb->setChecked(settings.value(GlobalSettings::Key_View_ColouredBG).toBool());
 122         connect(coloured_bg_cb, SIGNAL(stateChanged(int)), this, SLOT(on_view_colouredBG_changed(int)));
 123         trace_view_layout->addRow(tr("Use &coloured trace background"), coloured_bg_cb);
 124
 125         QCheckBox *always_zoom_to_fit_cb = new QCheckBox();
 126         always_zoom_to_fit_cb->setChecked(settings.value(GlobalSettings::Key_View_AlwaysZoomToFit).toBool());
 127         connect(always_zoom_to_fit_cb, SIGNAL(stateChanged(int)), this, SLOT(on_view_alwaysZoomToFit_changed(int)));
 128         trace_view_layout->addRow(tr("Always zoom-to-&fit during capture"), always_zoom_to_fit_cb);
 129
 130         return form;
 131 }
 132
 133 QWidget *Settings::get_about_page(QWidget *parent) const
 134 {
 135 #ifdef ENABLE_DECODE
 136         struct srd_decoder *dec;
 137 #endif
 138
 139         QLabel *icon = new QLabel();
 140         icon->setPixmap(QPixmap(QString::fromUtf8(":/icons/sigrok-logo-notext.svg")));
 141
 142         /* Setup the version field */
 143         QLabel *version_info = new QLabel();
 144         version_info->setText(tr("%1 %2<br />%3<br /><a href=\"http://%4\">%4</a>")
 145                 .arg(QApplication::applicationName(),
 146                 QApplication::applicationVersion(),
 147                 tr("GNU GPL, version 3 or later"),
 148                 QApplication::organizationDomain()));
 149         version_info->setOpenExternalLinks(true);
 150
 151         std::shared_ptr<sigrok::Context> context = device_manager_.context();
 152
 153         QString s;
 154         s.append("<table>");
 155
 156         /* Set up the supported field */
 157         s.append("<tr><td colspan=\"2\"><b>" +
 158                 tr("Supported hardware drivers:") +
 159                 "</b></td></tr>");
 160         for (auto entry : context->drivers()) {
 161                 s.append(QString("<tr><td><i>%1</i></td><td>%2</td></tr>")
 162                         .arg(QString::fromUtf8(entry.first.c_str()),
 163                                 QString::fromUtf8(entry.second->long_name().c_str())));
 164         }
 165
 166         s.append("<tr><td colspan=\"2\"><b>" +
 167                 tr("Supported input formats:") +
 168                 "</b></td></tr>");
 169         for (auto entry : context->input_formats()) {
 170                 s.append(QString("<tr><td><i>%1</i></td><td>%2</td></tr>")
 171                         .arg(QString::fromUtf8(entry.first.c_str()),
 172                                 QString::fromUtf8(entry.second->description().c_str())));
 173         }
 174
 175         s.append("<tr><td colspan=\"2\"><b>" +
 176                 tr("Supported output formats:") +
 177                 "</b></td></tr>");
 178         for (auto entry : context->output_formats()) {
 179                 s.append(QString("<tr><td><i>%1</i></td><td>%2</td></tr>")
 180                         .arg(QString::fromUtf8(entry.first.c_str()),
 181                                 QString::fromUtf8(entry.second->description().c_str())));
 182         }
 183
 184 #ifdef ENABLE_DECODE
 185         s.append("<tr><td colspan=\"2\"><b>" +
 186                 tr("Supported protocol decoders:") +
 187                 "</b></td></tr>");
 188         for (const GSList *l = srd_decoder_list(); l; l = l->next) {
 189                 dec = (struct srd_decoder *)l->data;
 190                 s.append(QString("<tr><td><i>%1</i></td><td>%2</td></tr>")
 191                         .arg(QString::fromUtf8(dec->id),
 192                                 QString::fromUtf8(dec->longname)));
 193         }
 194 #endif
 195
 196         s.append("</table>");
 197
 198         QTextDocument *supported_doc = new QTextDocument();
 199         supported_doc->setHtml(s);
 200
 201         QTextBrowser *support_list = new QTextBrowser();
 202         support_list->setDocument(supported_doc);
 203
 204         QGridLayout *layout = new QGridLayout();
 205         layout->addWidget(icon, 0, 0, 1, 1);
 206         layout->addWidget(version_info, 0, 1, 1, 1);
 207         layout->addWidget(support_list, 1, 1, 1, 1);
 208
 209         QWidget *page = new QWidget(parent);
 210         page->setLayout(layout);
 211
 212         return page;
 213 }
 214
 215 void Settings::accept()
 216 {
 217         GlobalSettings settings;
 218         settings.stop_tracking();
 219
 220         QDialog::accept();
 221 }
 222
 223 void Settings::reject()
 224 {
 225         GlobalSettings settings;
 226         settings.undo_tracked_changes();
 227
 228         QDialog::reject();
 229 }
 230
 231 void Settings::on_page_changed(QListWidgetItem *current, QListWidgetItem *previous)
 232 {
 233         if (!current)
 234                 current = previous;
 235
 236         pages->setCurrentIndex(page_list->row(current));
 237 }
 238
 239 void Settings::on_view_alwaysZoomToFit_changed(int state)
 240 {
 241         GlobalSettings settings;
 242         settings.setValue(GlobalSettings::Key_View_AlwaysZoomToFit, state ? true : false);
 243 }
 244
 245 void Settings::on_view_colouredBG_changed(int state)
 246 {
 247         GlobalSettings settings;
 248         settings.setValue(GlobalSettings::Key_View_ColouredBG, state ? true : false);
 249 }
 250
 251 } // namespace dialogs
 252 } // namespace pv