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 "settings.hpp"
  21 #include "pv/globalsettings.hpp"
  22
  23 #include <QCheckBox>
  24 #include <QDialogButtonBox>
  25 #include <QFormLayout>
  26 #include <QGroupBox>
  27 #include <QHBoxLayout>
  28 #include <QVBoxLayout>
  29
  30 namespace pv {
  31 namespace dialogs {
  32
  33 Settings::Settings(QWidget *parent) :
  34         QDialog(parent, nullptr)
  35 {
  36         const int icon_size = 64;
  37
  38         page_list = new QListWidget;
  39         page_list->setViewMode(QListView::IconMode);
  40         page_list->setIconSize(QSize(icon_size, icon_size));
  41         page_list->setMovement(QListView::Static);
  42         page_list->setMaximumWidth(icon_size + icon_size/2);
  43         page_list->setSpacing(12);
  44
  45         pages = new QStackedWidget;
  46         create_pages();
  47
  48         QHBoxLayout *tab_layout = new QHBoxLayout;
  49         tab_layout->addWidget(page_list);
  50         tab_layout->addWidget(pages, Qt::AlignLeft);
  51
  52         QDialogButtonBox *button_box = new QDialogButtonBox(
  53                 QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
  54
  55         QVBoxLayout* root_layout = new QVBoxLayout(this);
  56         root_layout->addLayout(tab_layout);
  57         root_layout->addWidget(button_box);
  58
  59         connect(button_box, SIGNAL(accepted()), this, SLOT(accept()));
  60         connect(button_box, SIGNAL(rejected()), this, SLOT(reject()));
  61         connect(page_list, SIGNAL(currentItemChanged(QListWidgetItem*, QListWidgetItem*)),
  62                 this, SLOT(on_page_changed(QListWidgetItem*, QListWidgetItem*)));
  63
  64         // Start to record changes
  65         GlobalSettings settings;
  66         settings.start_tracking();
  67 }
  68
  69 void Settings::create_pages()
  70 {
  71         // View page
  72         pages->addWidget(get_view_settings_form(pages));
  73
  74         QListWidgetItem *viewButton = new QListWidgetItem(page_list);
  75         viewButton->setIcon(QIcon(":/icons/sigrok-logo-notext.svg"));
  76         viewButton->setText(tr("Views"));
  77         viewButton->setTextAlignment(Qt::AlignHCenter);
  78         viewButton->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);
  79 }
  80
  81 QWidget *Settings::get_view_settings_form(QWidget *parent) const
  82 {
  83         GlobalSettings settings;
  84
  85         QWidget *form = new QWidget(parent);
  86         QVBoxLayout *form_layout = new QVBoxLayout(form);
  87
  88         // Trace view settings
  89         QGroupBox *trace_view_group = new QGroupBox(tr("Trace View"));
  90         form_layout->addWidget(trace_view_group);
  91
  92         QFormLayout *trace_view_layout = new QFormLayout();
  93         trace_view_group->setLayout(trace_view_layout);
  94
  95         QCheckBox *coloured_bg_cb = new QCheckBox();
  96         coloured_bg_cb->setChecked(settings.value(GlobalSettings::Key_View_ColouredBG).toBool());
  97         connect(coloured_bg_cb, SIGNAL(stateChanged(int)), this, SLOT(on_view_colouredBG_changed(int)));
  98         trace_view_layout->addRow(tr("Use &coloured trace background"), coloured_bg_cb);
  99
 100         QCheckBox *always_zoom_to_fit_cb = new QCheckBox();
 101         always_zoom_to_fit_cb->setChecked(settings.value(GlobalSettings::Key_View_AlwaysZoomToFit).toBool());
 102         connect(always_zoom_to_fit_cb, SIGNAL(stateChanged(int)), this, SLOT(on_view_alwaysZoomToFit_changed(int)));
 103         trace_view_layout->addRow(tr("Always zoom-to-&fit during capture"), always_zoom_to_fit_cb);
 104
 105         return form;
 106 }
 107
 108 void Settings::accept()
 109 {
 110         GlobalSettings settings;
 111         settings.stop_tracking();
 112
 113         QDialog::accept();
 114 }
 115
 116 void Settings::reject()
 117 {
 118         GlobalSettings settings;
 119         settings.undo_tracked_changes();
 120
 121         QDialog::reject();
 122 }
 123
 124 void Settings::on_page_changed(QListWidgetItem *current, QListWidgetItem *previous)
 125 {
 126         if (!current)
 127                 current = previous;
 128
 129         pages->setCurrentIndex(page_list->row(current));
 130 }
 131
 132 void Settings::on_view_alwaysZoomToFit_changed(int state)
 133 {
 134         GlobalSettings settings;
 135         settings.setValue(GlobalSettings::Key_View_AlwaysZoomToFit, state ? true : false);
 136 }
 137
 138 void Settings::on_view_colouredBG_changed(int state)
 139 {
 140         GlobalSettings settings;
 141         settings.setValue(GlobalSettings::Key_View_ColouredBG, state ? true : false);
 142 }
 143
 144 } // namespace dialogs
 145 } // namespace pv