[pulseview.git] / pv / globalsettings.cpp

/*
 * This file is part of the PulseView project.
 *
 * Copyright (C) 2017 Soeren Apel <soeren@apelpie.net>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

#include <boost/archive/text_iarchive.hpp>
#include <boost/archive/text_oarchive.hpp>
#include <boost/serialization/serialization.hpp>

#include <QApplication>
#include <QColor>
#include <QDebug>
#include <QFile>
#include <QFontMetrics>
#include <QPixmapCache>
#include <QString>
#include <QStyle>
#include <QtGlobal>

#include "globalsettings.hpp"
#include "application.hpp"

using std::map;
using std::pair;
using std::string;
using std::stringstream;
using std::vector;

namespace pv {

const vector< pair<QString, QString> > Themes {
	{"None" , ""},
	{"QDarkStyleSheet", ":/themes/qdarkstyle/style.qss"},
	{"DarkStyle", ":/themes/darkstyle/darkstyle.qss"}
};

const QString GlobalSettings::Key_General_Language = "General_Language";
const QString GlobalSettings::Key_General_Theme = "General_Theme";
const QString GlobalSettings::Key_General_Style = "General_Style";
const QString GlobalSettings::Key_General_SaveWithSetup = "General_SaveWithSetup";
const QString GlobalSettings::Key_General_StartAllSessions = "General_StartAllSessions";
const QString GlobalSettings::Key_View_ZoomToFitDuringAcq = "View_ZoomToFitDuringAcq";
const QString GlobalSettings::Key_View_ZoomToFitAfterAcq = "View_ZoomToFitAfterAcq";
const QString GlobalSettings::Key_View_TriggerIsZeroTime = "View_TriggerIsZeroTime";
const QString GlobalSettings::Key_View_ColoredBG = "View_ColoredBG";
const QString GlobalSettings::Key_View_StickyScrolling = "View_StickyScrolling";
const QString GlobalSettings::Key_View_AllowVerticalDragging = "View_AllowVerticalDragging";
const QString GlobalSettings::Key_View_ShowSamplingPoints = "View_ShowSamplingPoints";
const QString GlobalSettings::Key_View_FillSignalHighAreas = "View_FillSignalHighAreas";
const QString GlobalSettings::Key_View_FillSignalHighAreaColor = "View_FillSignalHighAreaColor";
const QString GlobalSettings::Key_View_ShowAnalogMinorGrid = "View_ShowAnalogMinorGrid";
const QString GlobalSettings::Key_View_ConversionThresholdDispMode = "View_ConversionThresholdDispMode";
const QString GlobalSettings::Key_View_DefaultDivHeight = "View_DefaultDivHeight";
const QString GlobalSettings::Key_View_DefaultLogicHeight = "View_DefaultLogicHeight";
const QString GlobalSettings::Key_View_ShowHoverMarker = "View_ShowHoverMarker";
const QString GlobalSettings::Key_View_SnapDistance = "View_SnapDistance";
const QString GlobalSettings::Key_View_CursorFillColor = "View_CursorFillColor";
const QString GlobalSettings::Key_View_CursorShowFrequency = "View_CursorShowFrequency";
const QString GlobalSettings::Key_View_CursorShowInterval = "View_CursorShowInterval";
const QString GlobalSettings::Key_View_CursorShowSamples = "View_CursorShowSamples";
const QString GlobalSettings::Key_Dec_InitialStateConfigurable = "Dec_InitialStateConfigurable";
const QString GlobalSettings::Key_Dec_ExportFormat = "Dec_ExportFormat";
const QString GlobalSettings::Key_Dec_AlwaysShowAllRows = "Dec_AlwaysShowAllRows";
const QString GlobalSettings::Key_Log_BufferSize = "Log_BufferSize";
const QString GlobalSettings::Key_Log_NotifyOfStacktrace = "Log_NotifyOfStacktrace";

vector<GlobalSettingsInterface*> GlobalSettings::callbacks_;
bool GlobalSettings::tracking_ = false;
bool GlobalSettings::is_dark_theme_ = false;
map<QString, QVariant> GlobalSettings::tracked_changes_;
QString GlobalSettings::default_style_;
QPalette GlobalSettings::default_palette_;

GlobalSettings::GlobalSettings() :
	QSettings()
{
	beginGroup("Settings");
}

void GlobalSettings::save_internal_defaults()
{
	default_style_ = qApp->style()->objectName();
	if (default_style_.isEmpty())
		default_style_ = "fusion";

	default_palette_ = QApplication::palette();
}

void GlobalSettings::set_defaults_where_needed()
{
	if (!contains(Key_General_Language)) {
		// Determine and set default UI language
		QString language = QLocale().uiLanguages().first();  // May return e.g. en-Latn-US  // clazy:exclude=detaching-temporary
		language = language.split("-").first();

		setValue(Key_General_Language, language);
		apply_language();
	}

	// Use no theme by default
	if (!contains(Key_General_Theme))
		setValue(Key_General_Theme, 0);
	if (!contains(Key_General_Style))
		setValue(Key_General_Style, "");

	// Save setup with .sr files by default
	if (!contains(Key_General_SaveWithSetup))
		setValue(Key_General_SaveWithSetup, true);

	// Enable zoom-to-fit after acquisition by default
	if (!contains(Key_View_ZoomToFitAfterAcq))
		setValue(Key_View_ZoomToFitAfterAcq, true);

	// Allow vertical dragging by default
	if (!contains(Key_View_AllowVerticalDragging))
		setValue(Key_View_AllowVerticalDragging, true);

	// Enable colored trace backgrounds by default
	if (!contains(Key_View_ColoredBG))
		setValue(Key_View_ColoredBG, true);

	// Enable showing sampling points by default
	if (!contains(Key_View_ShowSamplingPoints))
		setValue(Key_View_ShowSamplingPoints, true);

	// Enable filling logic signal high areas by default
	if (!contains(Key_View_FillSignalHighAreas))
		setValue(Key_View_FillSignalHighAreas, true);

	if (!contains(Key_View_DefaultDivHeight))
		setValue(Key_View_DefaultDivHeight,
		3 * QFontMetrics(QApplication::font()).height());

	if (!contains(Key_View_DefaultLogicHeight))
		setValue(Key_View_DefaultLogicHeight,
		2 * QFontMetrics(QApplication::font()).height());

	if (!contains(Key_View_ShowHoverMarker))
		setValue(Key_View_ShowHoverMarker, true);

	if (!contains(Key_View_SnapDistance))
		setValue(Key_View_SnapDistance, 15);

	if (!contains(Key_View_CursorShowInterval))
		setValue(Key_View_CursorShowInterval, true);

	if (!contains(Key_View_CursorShowFrequency))
		setValue(Key_View_CursorShowFrequency, true);

	// %c was used for the row name in the past so we need to transition such users
	if (!contains(Key_Dec_ExportFormat) ||
		value(Key_Dec_ExportFormat).toString() == "%s %d: %c: %1")
		setValue(Key_Dec_ExportFormat, "%s %d: %r: %1");

	// Default to 500 lines of backlog
	if (!contains(Key_Log_BufferSize))
		setValue(Key_Log_BufferSize, 500);

	// Notify user of existing stack trace by default
	if (!contains(Key_Log_NotifyOfStacktrace))
		setValue(Key_Log_NotifyOfStacktrace, true);

	// Default theme is bright, so use its color scheme if undefined
	if (!contains(Key_View_CursorFillColor))
		set_bright_theme_default_colors();
}

void GlobalSettings::set_bright_theme_default_colors()
{
	setValue(Key_View_FillSignalHighAreaColor,
		QColor(0, 0, 0, 5 * 256 / 100).rgba());

	setValue(Key_View_CursorFillColor,
		QColor(220, 231, 243).rgba());
}

void GlobalSettings::set_dark_theme_default_colors()
{
	setValue(Key_View_FillSignalHighAreaColor,
		QColor(188, 188, 188, 9 * 256 / 100).rgba());

	setValue(Key_View_CursorFillColor,
		QColor(60, 60, 60).rgba());
}

bool GlobalSettings::current_theme_is_dark()
{
	return is_dark_theme_;
}

void GlobalSettings::apply_theme()
{
	QString theme_name    = Themes.at(value(Key_General_Theme).toInt()).first;
	QString resource_name = Themes.at(value(Key_General_Theme).toInt()).second;

	if (!resource_name.isEmpty()) {
		QFile file(resource_name);
		file.open(QFile::ReadOnly | QFile::Text);
		qApp->setStyleSheet(file.readAll());
	} else
		qApp->setStyleSheet("");

	qApp->setPalette(default_palette_);

	const QString style = value(Key_General_Style).toString();
	if (style.isEmpty())
		qApp->setStyle(default_style_);
	else
		qApp->setStyle(style);

	is_dark_theme_ = false;

	if (theme_name.compare("QDarkStyleSheet") == 0) {
		QPalette dark_palette;
		dark_palette.setColor(QPalette::Window, QColor(53, 53, 53));
		dark_palette.setColor(QPalette::WindowText, Qt::white);
		dark_palette.setColor(QPalette::Base, QColor(42, 42, 42));
		dark_palette.setColor(QPalette::Dark, QColor(35, 35, 35));
		dark_palette.setColor(QPalette::Highlight, QColor(42, 130, 218));
		qApp->setPalette(dark_palette);
		is_dark_theme_ = true;
	} else if (theme_name.compare("DarkStyle") == 0) {
		QPalette dark_palette;
		dark_palette.setColor(QPalette::Window, QColor(53, 53, 53));
		dark_palette.setColor(QPalette::WindowText, Qt::white);
		dark_palette.setColor(QPalette::Disabled, QPalette::WindowText, QColor(127, 127, 127));
		dark_palette.setColor(QPalette::Base, QColor(42, 42, 42));
		dark_palette.setColor(QPalette::AlternateBase, QColor(66, 66, 66));
		dark_palette.setColor(QPalette::ToolTipBase, Qt::white);
		dark_palette.setColor(QPalette::ToolTipText, QColor(53, 53, 53));
		dark_palette.setColor(QPalette::Text, Qt::white);
		dark_palette.setColor(QPalette::Disabled, QPalette::Text, QColor(127, 127, 127));
		dark_palette.setColor(QPalette::Dark, QColor(35, 35, 35));
		dark_palette.setColor(QPalette::Shadow, QColor(20, 20, 20));
		dark_palette.setColor(QPalette::Button, QColor(53, 53, 53));
		dark_palette.setColor(QPalette::ButtonText, Qt::white);
		dark_palette.setColor(QPalette::Disabled, QPalette::ButtonText, QColor(127, 127, 127));
		dark_palette.setColor(QPalette::BrightText, Qt::red);
		dark_palette.setColor(QPalette::Link, QColor(42, 130, 218));
		dark_palette.setColor(QPalette::Highlight, QColor(42, 130, 218));
		dark_palette.setColor(QPalette::Disabled, QPalette::Highlight, QColor(80, 80, 80));
		dark_palette.setColor(QPalette::HighlightedText, Qt::white);
		dark_palette.setColor(QPalette::Disabled, QPalette::HighlightedText, QColor(127, 127, 127));
		qApp->setPalette(dark_palette);
		is_dark_theme_ = true;
	}

	QPixmapCache::clear();
}

void GlobalSettings::apply_language()
{
	Application* a = qobject_cast<Application*>(QApplication::instance());
	a->switch_language(value(Key_General_Language).toString());
}

void GlobalSettings::add_change_handler(GlobalSettingsInterface *cb)
{
	callbacks_.push_back(cb);
}

void GlobalSettings::remove_change_handler(GlobalSettingsInterface *cb)
{
	for (auto cb_it = callbacks_.begin(); cb_it != callbacks_.end(); cb_it++)
		if (*cb_it == cb) {
			callbacks_.erase(cb_it);
			break;
		}
}

void GlobalSettings::setValue(const QString &key, const QVariant &value)
{
	// Save previous value if we're tracking changes,
	// not altering an already-existing saved setting
	if (tracking_)
		tracked_changes_.emplace(key, QSettings::value(key));

	QSettings::setValue(key, value);

	// TODO Emulate noquote()
	qDebug() << "Setting" << key << "changed to" << value;

	// Call all registered callbacks
	for (GlobalSettingsInterface *cb : callbacks_)
		cb->on_setting_changed(key, value);
}

void GlobalSettings::start_tracking()
{
	tracking_ = true;
	tracked_changes_.clear();
}

void GlobalSettings::stop_tracking()
{
	tracking_ = false;
	tracked_changes_.clear();
}

void GlobalSettings::undo_tracked_changes()
{
	tracking_ = false;

	for (auto& entry : tracked_changes_)
		setValue(entry.first, entry.second);

	tracked_changes_.clear();
}

void GlobalSettings::store_gvariant(QSettings &settings, GVariant *v)
{
	const GVariantType *var_type = g_variant_get_type(v);
	char *var_type_str = g_variant_type_dup_string(var_type);

	QByteArray var_data = QByteArray((const char*)g_variant_get_data(v),
		g_variant_get_size(v));

	settings.setValue("value", var_data);
	settings.setValue("type", var_type_str);

	g_free(var_type_str);
}

GVariant* GlobalSettings::restore_gvariant(QSettings &settings)
{
	QString raw_type = settings.value("type").toString();
	GVariantType *var_type = g_variant_type_new(raw_type.toUtf8());

	QByteArray data = settings.value("value").toByteArray();

	gpointer var_data = g_memdup((gconstpointer)data.constData(),
		(guint)data.size());

	GVariant *value = g_variant_new_from_data(var_type, var_data,
		data.size(), false, g_free, var_data);

	g_variant_type_free(var_type);

	return value;
}

void GlobalSettings::store_variantbase(QSettings &settings, Glib::VariantBase v)
{
	const QByteArray var_data = QByteArray((const char*)v.get_data(), v.get_size());

	settings.setValue("value", var_data);
	settings.setValue("type", QString::fromStdString(v.get_type_string()));
}

Glib::VariantBase GlobalSettings::restore_variantbase(QSettings &settings)
{
	QString raw_type = settings.value("type").toString();
	GVariantType *var_type = g_variant_type_new(raw_type.toUtf8());

	QByteArray data = settings.value("value").toByteArray();

	gpointer var_data = g_memdup((gconstpointer)data.constData(),
		(guint)data.size());

	GVariant *value = g_variant_new_from_data(var_type, var_data,
		data.size(), false, g_free, var_data);

	Glib::VariantBase ret_val = Glib::VariantBase(value, true);

	g_variant_type_free(var_type);
	g_variant_unref(value);

	return ret_val;
}

void GlobalSettings::store_timestamp(QSettings &settings, const char *name, const pv::util::Timestamp &ts)
{
	stringstream ss;
	boost::archive::text_oarchive oa(ss);
	oa << boost::serialization::make_nvp(name, ts);
	settings.setValue(name, QString::fromStdString(ss.str()));
}

pv::util::Timestamp GlobalSettings::restore_timestamp(QSettings &settings, const char *name)
{
	util::Timestamp result;
	stringstream ss;
	ss << settings.value(name).toString().toStdString();

	try {
		boost::archive::text_iarchive ia(ss);
		ia >> boost::serialization::make_nvp(name, result);
	} catch (boost::archive::archive_exception&) {
		qDebug() << "Could not restore setting" << name;
	}

	return result;
}

} // namespace pv
Commit	Line	Data
	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 <boost/archive/text_iarchive.hpp>
	21	#include <boost/archive/text_oarchive.hpp>
	22	#include <boost/serialization/serialization.hpp>
	23
	24	#include <QApplication>
	25	#include <QColor>
	26	#include <QDebug>
	27	#include <QFile>
	28	#include <QFontMetrics>
	29	#include <QPixmapCache>
	30	#include <QString>
	31	#include <QStyle>
	32	#include <QtGlobal>
	33
	34	#include "globalsettings.hpp"
	35	#include "application.hpp"
	36
	37	using std::map;
	38	using std::pair;
	39	using std::string;
	40	using std::stringstream;
	41	using std::vector;
	42
	43	namespace pv {
	44
	45	const vector< pair<QString, QString> > Themes {
	46	{"None" , ""},
	47	{"QDarkStyleSheet", ":/themes/qdarkstyle/style.qss"},
	48	{"DarkStyle", ":/themes/darkstyle/darkstyle.qss"}
	49	};
	50
	51	const QString GlobalSettings::Key_General_Language = "General_Language";
	52	const QString GlobalSettings::Key_General_Theme = "General_Theme";
	53	const QString GlobalSettings::Key_General_Style = "General_Style";
	54	const QString GlobalSettings::Key_General_SaveWithSetup = "General_SaveWithSetup";
	55	const QString GlobalSettings::Key_General_StartAllSessions = "General_StartAllSessions";
	56	const QString GlobalSettings::Key_View_ZoomToFitDuringAcq = "View_ZoomToFitDuringAcq";
	57	const QString GlobalSettings::Key_View_ZoomToFitAfterAcq = "View_ZoomToFitAfterAcq";
	58	const QString GlobalSettings::Key_View_TriggerIsZeroTime = "View_TriggerIsZeroTime";
	59	const QString GlobalSettings::Key_View_ColoredBG = "View_ColoredBG";
	60	const QString GlobalSettings::Key_View_StickyScrolling = "View_StickyScrolling";
	61	const QString GlobalSettings::Key_View_AllowVerticalDragging = "View_AllowVerticalDragging";
	62	const QString GlobalSettings::Key_View_ShowSamplingPoints = "View_ShowSamplingPoints";
	63	const QString GlobalSettings::Key_View_FillSignalHighAreas = "View_FillSignalHighAreas";
	64	const QString GlobalSettings::Key_View_FillSignalHighAreaColor = "View_FillSignalHighAreaColor";
	65	const QString GlobalSettings::Key_View_ShowAnalogMinorGrid = "View_ShowAnalogMinorGrid";
	66	const QString GlobalSettings::Key_View_ConversionThresholdDispMode = "View_ConversionThresholdDispMode";
	67	const QString GlobalSettings::Key_View_DefaultDivHeight = "View_DefaultDivHeight";
	68	const QString GlobalSettings::Key_View_DefaultLogicHeight = "View_DefaultLogicHeight";
	69	const QString GlobalSettings::Key_View_ShowHoverMarker = "View_ShowHoverMarker";
	70	const QString GlobalSettings::Key_View_SnapDistance = "View_SnapDistance";
	71	const QString GlobalSettings::Key_View_CursorFillColor = "View_CursorFillColor";
	72	const QString GlobalSettings::Key_View_CursorShowFrequency = "View_CursorShowFrequency";
	73	const QString GlobalSettings::Key_View_CursorShowInterval = "View_CursorShowInterval";
	74	const QString GlobalSettings::Key_View_CursorShowSamples = "View_CursorShowSamples";
	75	const QString GlobalSettings::Key_Dec_InitialStateConfigurable = "Dec_InitialStateConfigurable";
	76	const QString GlobalSettings::Key_Dec_ExportFormat = "Dec_ExportFormat";
	77	const QString GlobalSettings::Key_Dec_AlwaysShowAllRows = "Dec_AlwaysShowAllRows";
	78	const QString GlobalSettings::Key_Log_BufferSize = "Log_BufferSize";
	79	const QString GlobalSettings::Key_Log_NotifyOfStacktrace = "Log_NotifyOfStacktrace";
	80
	81	vector<GlobalSettingsInterface*> GlobalSettings::callbacks_;
	82	bool GlobalSettings::tracking_ = false;
	83	bool GlobalSettings::is_dark_theme_ = false;
	84	map<QString, QVariant> GlobalSettings::tracked_changes_;
	85	QString GlobalSettings::default_style_;
	86	QPalette GlobalSettings::default_palette_;
	87
	88	GlobalSettings::GlobalSettings() :
	89	QSettings()
	90	{
	91	beginGroup("Settings");
	92	}
	93
	94	void GlobalSettings::save_internal_defaults()
	95	{
	96	default_style_ = qApp->style()->objectName();
	97	if (default_style_.isEmpty())
	98	default_style_ = "fusion";
	99
	100	default_palette_ = QApplication::palette();
	101	}
	102
	103	void GlobalSettings::set_defaults_where_needed()
	104	{
	105	if (!contains(Key_General_Language)) {
	106	// Determine and set default UI language
	107	QString language = QLocale().uiLanguages().first(); // May return e.g. en-Latn-US // clazy:exclude=detaching-temporary
	108	language = language.split("-").first();
	109
	110	setValue(Key_General_Language, language);
	111	apply_language();
	112	}
	113
	114	// Use no theme by default
	115	if (!contains(Key_General_Theme))
	116	setValue(Key_General_Theme, 0);
	117	if (!contains(Key_General_Style))
	118	setValue(Key_General_Style, "");
	119
	120	// Save setup with .sr files by default
	121	if (!contains(Key_General_SaveWithSetup))
	122	setValue(Key_General_SaveWithSetup, true);
	123
	124	// Enable zoom-to-fit after acquisition by default
	125	if (!contains(Key_View_ZoomToFitAfterAcq))
	126	setValue(Key_View_ZoomToFitAfterAcq, true);
	127
	128	// Allow vertical dragging by default
	129	if (!contains(Key_View_AllowVerticalDragging))
	130	setValue(Key_View_AllowVerticalDragging, true);
	131
	132	// Enable colored trace backgrounds by default
	133	if (!contains(Key_View_ColoredBG))
	134	setValue(Key_View_ColoredBG, true);
	135
	136	// Enable showing sampling points by default
	137	if (!contains(Key_View_ShowSamplingPoints))
	138	setValue(Key_View_ShowSamplingPoints, true);
	139
	140	// Enable filling logic signal high areas by default
	141	if (!contains(Key_View_FillSignalHighAreas))
	142	setValue(Key_View_FillSignalHighAreas, true);
	143
	144	if (!contains(Key_View_DefaultDivHeight))
	145	setValue(Key_View_DefaultDivHeight,
	146	3 * QFontMetrics(QApplication::font()).height());
	147
	148	if (!contains(Key_View_DefaultLogicHeight))
	149	setValue(Key_View_DefaultLogicHeight,
	150	2 * QFontMetrics(QApplication::font()).height());
	151
	152	if (!contains(Key_View_ShowHoverMarker))
	153	setValue(Key_View_ShowHoverMarker, true);
	154
	155	if (!contains(Key_View_SnapDistance))
	156	setValue(Key_View_SnapDistance, 15);
	157
	158	if (!contains(Key_View_CursorShowInterval))
	159	setValue(Key_View_CursorShowInterval, true);
	160
	161	if (!contains(Key_View_CursorShowFrequency))
	162	setValue(Key_View_CursorShowFrequency, true);
	163
	164	// %c was used for the row name in the past so we need to transition such users
	165	if (!contains(Key_Dec_ExportFormat) \|\|
	166	value(Key_Dec_ExportFormat).toString() == "%s %d: %c: %1")
	167	setValue(Key_Dec_ExportFormat, "%s %d: %r: %1");
	168
	169	// Default to 500 lines of backlog
	170	if (!contains(Key_Log_BufferSize))
	171	setValue(Key_Log_BufferSize, 500);
	172
	173	// Notify user of existing stack trace by default
	174	if (!contains(Key_Log_NotifyOfStacktrace))
	175	setValue(Key_Log_NotifyOfStacktrace, true);
	176
	177	// Default theme is bright, so use its color scheme if undefined
	178	if (!contains(Key_View_CursorFillColor))
	179	set_bright_theme_default_colors();
	180	}
	181
	182	void GlobalSettings::set_bright_theme_default_colors()
	183	{
	184	setValue(Key_View_FillSignalHighAreaColor,
	185	QColor(0, 0, 0, 5 * 256 / 100).rgba());
	186
	187	setValue(Key_View_CursorFillColor,
	188	QColor(220, 231, 243).rgba());
	189	}
	190
	191	void GlobalSettings::set_dark_theme_default_colors()
	192	{
	193	setValue(Key_View_FillSignalHighAreaColor,
	194	QColor(188, 188, 188, 9 * 256 / 100).rgba());
	195
	196	setValue(Key_View_CursorFillColor,
	197	QColor(60, 60, 60).rgba());
	198	}
	199
	200	bool GlobalSettings::current_theme_is_dark()
	201	{
	202	return is_dark_theme_;
	203	}
	204
	205	void GlobalSettings::apply_theme()
	206	{
	207	QString theme_name = Themes.at(value(Key_General_Theme).toInt()).first;
	208	QString resource_name = Themes.at(value(Key_General_Theme).toInt()).second;
	209
	210	if (!resource_name.isEmpty()) {
	211	QFile file(resource_name);
	212	file.open(QFile::ReadOnly \| QFile::Text);
	213	qApp->setStyleSheet(file.readAll());
	214	} else
	215	qApp->setStyleSheet("");
	216
	217	qApp->setPalette(default_palette_);
	218
	219	const QString style = value(Key_General_Style).toString();
	220	if (style.isEmpty())
	221	qApp->setStyle(default_style_);
	222	else
	223	qApp->setStyle(style);
	224
	225	is_dark_theme_ = false;
	226
	227	if (theme_name.compare("QDarkStyleSheet") == 0) {
	228	QPalette dark_palette;
	229	dark_palette.setColor(QPalette::Window, QColor(53, 53, 53));
	230	dark_palette.setColor(QPalette::WindowText, Qt::white);
	231	dark_palette.setColor(QPalette::Base, QColor(42, 42, 42));
	232	dark_palette.setColor(QPalette::Dark, QColor(35, 35, 35));
	233	dark_palette.setColor(QPalette::Highlight, QColor(42, 130, 218));
	234	qApp->setPalette(dark_palette);
	235	is_dark_theme_ = true;
	236	} else if (theme_name.compare("DarkStyle") == 0) {
	237	QPalette dark_palette;
	238	dark_palette.setColor(QPalette::Window, QColor(53, 53, 53));
	239	dark_palette.setColor(QPalette::WindowText, Qt::white);
	240	dark_palette.setColor(QPalette::Disabled, QPalette::WindowText, QColor(127, 127, 127));
	241	dark_palette.setColor(QPalette::Base, QColor(42, 42, 42));
	242	dark_palette.setColor(QPalette::AlternateBase, QColor(66, 66, 66));
	243	dark_palette.setColor(QPalette::ToolTipBase, Qt::white);
	244	dark_palette.setColor(QPalette::ToolTipText, QColor(53, 53, 53));
	245	dark_palette.setColor(QPalette::Text, Qt::white);
	246	dark_palette.setColor(QPalette::Disabled, QPalette::Text, QColor(127, 127, 127));
	247	dark_palette.setColor(QPalette::Dark, QColor(35, 35, 35));
	248	dark_palette.setColor(QPalette::Shadow, QColor(20, 20, 20));
	249	dark_palette.setColor(QPalette::Button, QColor(53, 53, 53));
	250	dark_palette.setColor(QPalette::ButtonText, Qt::white);
	251	dark_palette.setColor(QPalette::Disabled, QPalette::ButtonText, QColor(127, 127, 127));
	252	dark_palette.setColor(QPalette::BrightText, Qt::red);
	253	dark_palette.setColor(QPalette::Link, QColor(42, 130, 218));
	254	dark_palette.setColor(QPalette::Highlight, QColor(42, 130, 218));
	255	dark_palette.setColor(QPalette::Disabled, QPalette::Highlight, QColor(80, 80, 80));
	256	dark_palette.setColor(QPalette::HighlightedText, Qt::white);
	257	dark_palette.setColor(QPalette::Disabled, QPalette::HighlightedText, QColor(127, 127, 127));
	258	qApp->setPalette(dark_palette);
	259	is_dark_theme_ = true;
	260	}
	261
	262	QPixmapCache::clear();
	263	}
	264
	265	void GlobalSettings::apply_language()
	266	{
	267	Application* a = qobject_cast<Application*>(QApplication::instance());
	268	a->switch_language(value(Key_General_Language).toString());
	269	}
	270
	271	void GlobalSettings::add_change_handler(GlobalSettingsInterface *cb)
	272	{
	273	callbacks_.push_back(cb);
	274	}
	275
	276	void GlobalSettings::remove_change_handler(GlobalSettingsInterface *cb)
	277	{
	278	for (auto cb_it = callbacks_.begin(); cb_it != callbacks_.end(); cb_it++)
	279	if (*cb_it == cb) {
	280	callbacks_.erase(cb_it);
	281	break;
	282	}
	283	}
	284
	285	void GlobalSettings::setValue(const QString &key, const QVariant &value)
	286	{
	287	// Save previous value if we're tracking changes,
	288	// not altering an already-existing saved setting
	289	if (tracking_)
	290	tracked_changes_.emplace(key, QSettings::value(key));
	291
	292	QSettings::setValue(key, value);
	293
	294	// TODO Emulate noquote()
	295	qDebug() << "Setting" << key << "changed to" << value;
	296
	297	// Call all registered callbacks
	298	for (GlobalSettingsInterface *cb : callbacks_)
	299	cb->on_setting_changed(key, value);
	300	}
	301
	302	void GlobalSettings::start_tracking()
	303	{
	304	tracking_ = true;
	305	tracked_changes_.clear();
	306	}
	307
	308	void GlobalSettings::stop_tracking()
	309	{
	310	tracking_ = false;
	311	tracked_changes_.clear();
	312	}
	313
	314	void GlobalSettings::undo_tracked_changes()
	315	{
	316	tracking_ = false;
	317
	318	for (auto& entry : tracked_changes_)
	319	setValue(entry.first, entry.second);
	320
	321	tracked_changes_.clear();
	322	}
	323
	324	void GlobalSettings::store_gvariant(QSettings &settings, GVariant *v)
	325	{
	326	const GVariantType *var_type = g_variant_get_type(v);
	327	char *var_type_str = g_variant_type_dup_string(var_type);
	328
	329	QByteArray var_data = QByteArray((const char*)g_variant_get_data(v),
	330	g_variant_get_size(v));
	331
	332	settings.setValue("value", var_data);
	333	settings.setValue("type", var_type_str);
	334
	335	g_free(var_type_str);
	336	}
	337
	338	GVariant* GlobalSettings::restore_gvariant(QSettings &settings)
	339	{
	340	QString raw_type = settings.value("type").toString();
	341	GVariantType *var_type = g_variant_type_new(raw_type.toUtf8());
	342
	343	QByteArray data = settings.value("value").toByteArray();
	344
	345	gpointer var_data = g_memdup((gconstpointer)data.constData(),
	346	(guint)data.size());
	347
	348	GVariant *value = g_variant_new_from_data(var_type, var_data,
	349	data.size(), false, g_free, var_data);
	350
	351	g_variant_type_free(var_type);
	352
	353	return value;
	354	}
	355
	356	void GlobalSettings::store_variantbase(QSettings &settings, Glib::VariantBase v)
	357	{
	358	const QByteArray var_data = QByteArray((const char*)v.get_data(), v.get_size());
	359
	360	settings.setValue("value", var_data);
	361	settings.setValue("type", QString::fromStdString(v.get_type_string()));
	362	}
	363
	364	Glib::VariantBase GlobalSettings::restore_variantbase(QSettings &settings)
	365	{
	366	QString raw_type = settings.value("type").toString();
	367	GVariantType *var_type = g_variant_type_new(raw_type.toUtf8());
	368
	369	QByteArray data = settings.value("value").toByteArray();
	370
	371	gpointer var_data = g_memdup((gconstpointer)data.constData(),
	372	(guint)data.size());
	373
	374	GVariant *value = g_variant_new_from_data(var_type, var_data,
	375	data.size(), false, g_free, var_data);
	376
	377	Glib::VariantBase ret_val = Glib::VariantBase(value, true);
	378
	379	g_variant_type_free(var_type);
	380	g_variant_unref(value);
	381
	382	return ret_val;
	383	}
	384
	385	void GlobalSettings::store_timestamp(QSettings &settings, const char *name, const pv::util::Timestamp &ts)
	386	{
	387	stringstream ss;
	388	boost::archive::text_oarchive oa(ss);
	389	oa << boost::serialization::make_nvp(name, ts);
	390	settings.setValue(name, QString::fromStdString(ss.str()));
	391	}
	392
	393	pv::util::Timestamp GlobalSettings::restore_timestamp(QSettings &settings, const char *name)
	394	{
	395	util::Timestamp result;
	396	stringstream ss;
	397	ss << settings.value(name).toString().toStdString();
	398
	399	try {
	400	boost::archive::text_iarchive ia(ss);
	401	ia >> boost::serialization::make_nvp(name, result);
	402	} catch (boost::archive::archive_exception&) {
	403	qDebug() << "Could not restore setting" << name;
	404	}
	405
	406	return result;
	407	}
	408
	409	} // namespace pv