[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 "globalsettings.hpp"

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

using std::map;
using std::pair;
using std::string;
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_Theme = "General_Theme";
const QString GlobalSettings::Key_General_Style = "General_Style";
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_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_Dec_InitialStateConfigurable = "Dec_InitialStateConfigurable";
const QString GlobalSettings::Key_Dec_ExportFormat = "Dec_ExportFormat";
const QString GlobalSettings::Key_Log_BufferSize = "Log_BufferSize";
const QString GlobalSettings::Key_Log_NotifyOfStacktrace = "Log_NotifyOfStacktrace";

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

GlobalSettings::GlobalSettings() :
	QSettings(),
	is_dark_theme_(false)
{
	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()
{
	// Use no theme by default
	if (!contains(Key_General_Theme))
		setValue(Key_General_Theme, 0);
	if (!contains(Key_General_Style))
		setValue(Key_General_Style, "");

	// Enable zoom-to-fit after acquisition by default
	if (!contains(Key_View_ZoomToFitAfterAcq))
		setValue(Key_View_ZoomToFitAfterAcq, 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_Dec_ExportFormat))
		setValue(Key_Dec_ExportFormat, "%s %d: %c: %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
	set_bright_theme_default_colors();
}

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

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

} // namespace pv
Commit	Line	Data
bf9f1268 SA	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 "globalsettings.hpp"
	21
daa54986	22	#include <QApplication>
4521022b	23	#include <QColor>
7ba25e4f	24	#include <QDebug>
37b0bd35	25	#include <QFile>
daa54986	26	#include <QFontMetrics>
37b0bd35	27	#include <QPixmapCache>
d3feec23	28	#include <QString>
374c697f	29	#include <QStyle>
43be386b	30	#include <QtGlobal>
d3feec23	31
6f925ba9	32	using std::map;
37b0bd35	33	using std::pair;
1325ce42	34	using std::string;
d0c0573b	35	using std::vector;
6f925ba9	36
bf9f1268 SA	37	namespace pv {
bf9f1268 SA	38
37b0bd35 SA	39	const vector< pair<QString, QString> > Themes {
	40	{"None" , ""},
	41	{"QDarkStyleSheet", ":/themes/qdarkstyle/style.qss"},
	42	{"DarkStyle", ":/themes/darkstyle/darkstyle.qss"}
	43	};
	44
	45	const QString GlobalSettings::Key_General_Theme = "General_Theme";
374c697f	46	const QString GlobalSettings::Key_General_Style = "General_Style";
e91fb166	47	const QString GlobalSettings::Key_View_ZoomToFitDuringAcq = "View_ZoomToFitDuringAcq";
28ceff25	48	const QString GlobalSettings::Key_View_ZoomToFitAfterAcq = "View_ZoomToFitAfterAcq";
ffc00fdd	49	const QString GlobalSettings::Key_View_TriggerIsZeroTime = "View_TriggerIsZeroTime";
641574bc	50	const QString GlobalSettings::Key_View_ColoredBG = "View_ColoredBG";
87a97d8a	51	const QString GlobalSettings::Key_View_StickyScrolling = "View_StickyScrolling";
051ba3b3	52	const QString GlobalSettings::Key_View_ShowSamplingPoints = "View_ShowSamplingPoints";
4521022b SA	53	const QString GlobalSettings::Key_View_FillSignalHighAreas = "View_FillSignalHighAreas";
4521022b SA	54	const QString GlobalSettings::Key_View_FillSignalHighAreaColor = "View_FillSignalHighAreaColor";
8ad61f40	55	const QString GlobalSettings::Key_View_ShowAnalogMinorGrid = "View_ShowAnalogMinorGrid";
90ee1ed9	56	const QString GlobalSettings::Key_View_ConversionThresholdDispMode = "View_ConversionThresholdDispMode";
daa54986	57	const QString GlobalSettings::Key_View_DefaultDivHeight = "View_DefaultDivHeight";
48051ccb	58	const QString GlobalSettings::Key_View_DefaultLogicHeight = "View_DefaultLogicHeight";
1931b5f9	59	const QString GlobalSettings::Key_View_ShowHoverMarker = "View_ShowHoverMarker";
fb641801	60	const QString GlobalSettings::Key_View_SnapDistance = "View_SnapDistance";
1cc1c8de	61	const QString GlobalSettings::Key_Dec_InitialStateConfigurable = "Dec_InitialStateConfigurable";
1ed996b4	62	const QString GlobalSettings::Key_Dec_ExportFormat = "Dec_ExportFormat";
bcb4c327	63	const QString GlobalSettings::Key_Log_BufferSize = "Log_BufferSize";
c5d6200c	64	const QString GlobalSettings::Key_Log_NotifyOfStacktrace = "Log_NotifyOfStacktrace";
bf9f1268	65
d0c0573b	66	vector<GlobalSettingsInterface*> GlobalSettings::callbacks_;
2cca9ebf	67	bool GlobalSettings::tracking_ = false;
6f925ba9	68	map<QString, QVariant> GlobalSettings::tracked_changes_;
374c697f	69	QString GlobalSettings::default_style_;
37b0bd35	70	QPalette GlobalSettings::default_palette_;
bf9f1268 SA	71
bf9f1268 SA	72	GlobalSettings::GlobalSettings() :
a42d2514 SA	73	QSettings(),
a42d2514 SA	74	is_dark_theme_(false)
bf9f1268 SA	75	{
	76	beginGroup("Settings");
	77	}
	78
a42d2514 SA	79	void GlobalSettings::save_internal_defaults()
	80	{
	81	default_style_ = qApp->style()->objectName();
	82	if (default_style_.isEmpty())
	83	default_style_ = "fusion";
	84
	85	default_palette_ = QApplication::palette();
	86	}
	87
c031de4b SA	88	void GlobalSettings::set_defaults_where_needed()
c031de4b SA	89	{
37b0bd35 SA	90	// Use no theme by default
	91	if (!contains(Key_General_Theme))
	92	setValue(Key_General_Theme, 0);
374c697f SA	93	if (!contains(Key_General_Style))
374c697f SA	94	setValue(Key_General_Style, "");
37b0bd35	95
28ceff25 SA	96	// Enable zoom-to-fit after acquisition by default
	97	if (!contains(Key_View_ZoomToFitAfterAcq))
	98	setValue(Key_View_ZoomToFitAfterAcq, true);
	99
641574bc SA	100	// Enable colored trace backgrounds by default
	101	if (!contains(Key_View_ColoredBG))
	102	setValue(Key_View_ColoredBG, true);
df842d4f SA	103
	104	// Enable showing sampling points by default
	105	if (!contains(Key_View_ShowSamplingPoints))
	106	setValue(Key_View_ShowSamplingPoints, true);
daa54986	107
4521022b SA	108	// Enable filling logic signal high areas by default
	109	if (!contains(Key_View_FillSignalHighAreas))
	110	setValue(Key_View_FillSignalHighAreas, true);
4521022b	111
daa54986 SA	112	if (!contains(Key_View_DefaultDivHeight))
	113	setValue(Key_View_DefaultDivHeight,
	114	3 * QFontMetrics(QApplication::font()).height());
48051ccb SA	115
	116	if (!contains(Key_View_DefaultLogicHeight))
	117	setValue(Key_View_DefaultLogicHeight,
	118	2 * QFontMetrics(QApplication::font()).height());
bcb4c327	119
6fff12ac SA	120	if (!contains(Key_View_ShowHoverMarker))
	121	setValue(Key_View_ShowHoverMarker, true);
	122
fb641801 SA	123	if (!contains(Key_View_SnapDistance))
	124	setValue(Key_View_SnapDistance, 15);
	125
1ed996b4 SA	126	if (!contains(Key_Dec_ExportFormat))
	127	setValue(Key_Dec_ExportFormat, "%s %d: %c: %1");
	128
bcb4c327 SA	129	// Default to 500 lines of backlog
	130	if (!contains(Key_Log_BufferSize))
	131	setValue(Key_Log_BufferSize, 500);
c5d6200c SA	132
	133	// Notify user of existing stack trace by default
	134	if (!contains(Key_Log_NotifyOfStacktrace))
	135	setValue(Key_Log_NotifyOfStacktrace, true);
a42d2514 SA	136
	137	// Default theme is bright, so use its color scheme
	138	set_bright_theme_default_colors();
c031de4b SA	139	}
c031de4b SA	140
a42d2514	141	void GlobalSettings::set_bright_theme_default_colors()
37b0bd35	142	{
a42d2514 SA	143	setValue(Key_View_FillSignalHighAreaColor,
	144	QColor(0, 0, 0, 5 * 256 / 100).rgba());
	145	}
374c697f	146
a42d2514 SA	147	void GlobalSettings::set_dark_theme_default_colors()
	148	{
	149	setValue(Key_View_FillSignalHighAreaColor,
	150	QColor(188, 188, 188, 9 * 256 / 100).rgba());
	151	}
	152
	153	bool GlobalSettings::current_theme_is_dark()
	154	{
	155	return is_dark_theme_;
37b0bd35 SA	156	}
	157
	158	void GlobalSettings::apply_theme()
	159	{
	160	QString theme_name = Themes.at(value(Key_General_Theme).toInt()).first;
	161	QString resource_name = Themes.at(value(Key_General_Theme).toInt()).second;
	162
	163	if (!resource_name.isEmpty()) {
	164	QFile file(resource_name);
	165	file.open(QFile::ReadOnly \| QFile::Text);
	166	qApp->setStyleSheet(file.readAll());
	167	} else
	168	qApp->setStyleSheet("");
	169
	170	qApp->setPalette(default_palette_);
	171
374c697f SA	172	const QString style = value(Key_General_Style).toString();
	173	if (style.isEmpty())
	174	qApp->setStyle(default_style_);
	175	else
	176	qApp->setStyle(style);
	177
a42d2514 SA	178	is_dark_theme_ = false;
a42d2514 SA	179
37b0bd35 SA	180	if (theme_name.compare("QDarkStyleSheet") == 0) {
	181	QPalette dark_palette;
	182	dark_palette.setColor(QPalette::Window, QColor(53, 53, 53));
	183	dark_palette.setColor(QPalette::WindowText, Qt::white);
	184	dark_palette.setColor(QPalette::Base, QColor(42, 42, 42));
	185	dark_palette.setColor(QPalette::Dark, QColor(35, 35, 35));
	186	dark_palette.setColor(QPalette::Highlight, QColor(42, 130, 218));
	187	qApp->setPalette(dark_palette);
a42d2514	188	is_dark_theme_ = true;
37b0bd35 SA	189	} else if (theme_name.compare("DarkStyle") == 0) {
	190	QPalette dark_palette;
	191	dark_palette.setColor(QPalette::Window, QColor(53, 53, 53));
	192	dark_palette.setColor(QPalette::WindowText, Qt::white);
	193	dark_palette.setColor(QPalette::Disabled, QPalette::WindowText, QColor(127, 127, 127));
	194	dark_palette.setColor(QPalette::Base, QColor(42, 42, 42));
	195	dark_palette.setColor(QPalette::AlternateBase, QColor(66, 66, 66));
	196	dark_palette.setColor(QPalette::ToolTipBase, Qt::white);
	197	dark_palette.setColor(QPalette::ToolTipText, QColor(53, 53, 53));
	198	dark_palette.setColor(QPalette::Text, Qt::white);
	199	dark_palette.setColor(QPalette::Disabled, QPalette::Text, QColor(127, 127, 127));
	200	dark_palette.setColor(QPalette::Dark, QColor(35, 35, 35));
	201	dark_palette.setColor(QPalette::Shadow, QColor(20, 20, 20));
	202	dark_palette.setColor(QPalette::Button, QColor(53, 53, 53));
	203	dark_palette.setColor(QPalette::ButtonText, Qt::white);
	204	dark_palette.setColor(QPalette::Disabled, QPalette::ButtonText, QColor(127, 127, 127));
	205	dark_palette.setColor(QPalette::BrightText, Qt::red);
	206	dark_palette.setColor(QPalette::Link, QColor(42, 130, 218));
	207	dark_palette.setColor(QPalette::Highlight, QColor(42, 130, 218));
	208	dark_palette.setColor(QPalette::Disabled, QPalette::Highlight, QColor(80, 80, 80));
	209	dark_palette.setColor(QPalette::HighlightedText, Qt::white);
	210	dark_palette.setColor(QPalette::Disabled, QPalette::HighlightedText, QColor(127, 127, 127));
	211	qApp->setPalette(dark_palette);
a42d2514	212	is_dark_theme_ = true;
37b0bd35 SA	213	}
	214
	215	QPixmapCache::clear();
	216	}
	217
d0c0573b	218	void GlobalSettings::add_change_handler(GlobalSettingsInterface *cb)
bf9f1268	219	{
d0c0573b SA	220	callbacks_.push_back(cb);
	221	}
	222
	223	void GlobalSettings::remove_change_handler(GlobalSettingsInterface *cb)
	224	{
	225	for (auto cb_it = callbacks_.begin(); cb_it != callbacks_.end(); cb_it++)
	226	if (*cb_it == cb) {
	227	callbacks_.erase(cb_it);
	228	break;
	229	}
bf9f1268 SA	230	}
	231
	232	void GlobalSettings::setValue(const QString &key, const QVariant &value)
	233	{
2cca9ebf SA	234	// Save previous value if we're tracking changes,
	235	// not altering an already-existing saved setting
	236	if (tracking_)
	237	tracked_changes_.emplace(key, QSettings::value(key));
	238
bf9f1268 SA	239	QSettings::setValue(key, value);
bf9f1268 SA	240
fe060a48 SA	241	// TODO Emulate noquote()
fe060a48 SA	242	qDebug() << "Setting" << key << "changed to" << value;
7ba25e4f	243
d0c0573b SA	244	// Call all registered callbacks
	245	for (GlobalSettingsInterface *cb : callbacks_)
	246	cb->on_setting_changed(key, value);
bf9f1268 SA	247	}
bf9f1268 SA	248
2cca9ebf SA	249	void GlobalSettings::start_tracking()
	250	{
	251	tracking_ = true;
	252	tracked_changes_.clear();
	253	}
	254
	255	void GlobalSettings::stop_tracking()
	256	{
	257	tracking_ = false;
	258	tracked_changes_.clear();
	259	}
	260
	261	void GlobalSettings::undo_tracked_changes()
	262	{
	263	tracking_ = false;
	264
f4ab4b5c	265	for (auto& entry : tracked_changes_)
2cca9ebf SA	266	setValue(entry.first, entry.second);
	267
	268	tracked_changes_.clear();
	269	}
bf9f1268	270
d3feec23 SA	271	void GlobalSettings::store_gvariant(QSettings &settings, GVariant *v)
	272	{
	273	const GVariantType *var_type = g_variant_get_type(v);
	274	char *var_type_str = g_variant_type_dup_string(var_type);
	275
	276	QByteArray var_data = QByteArray((const char*)g_variant_get_data(v),
	277	g_variant_get_size(v));
	278
	279	settings.setValue("value", var_data);
	280	settings.setValue("type", var_type_str);
	281
	282	g_free(var_type_str);
	283	}
	284
	285	GVariant* GlobalSettings::restore_gvariant(QSettings &settings)
	286	{
	287	QString raw_type = settings.value("type").toString();
	288	GVariantType *var_type = g_variant_type_new(raw_type.toUtf8());
	289
	290	QByteArray data = settings.value("value").toByteArray();
	291
	292	gpointer var_data = g_memdup((gconstpointer)data.constData(),
	293	(guint)data.size());
	294
	295	GVariant *value = g_variant_new_from_data(var_type, var_data,
	296	data.size(), false, g_free, var_data);
	297
	298	g_variant_type_free(var_type);
	299
	300	return value;
	301	}
	302
1325ce42 SA	303	void GlobalSettings::store_variantbase(QSettings &settings, Glib::VariantBase v)
	304	{
	305	const QByteArray var_data = QByteArray((const char*)v.get_data(), v.get_size());
	306
	307	settings.setValue("value", var_data);
	308	settings.setValue("type", QString::fromStdString(v.get_type_string()));
	309	}
	310
	311	Glib::VariantBase GlobalSettings::restore_variantbase(QSettings &settings)
	312	{
	313	QString raw_type = settings.value("type").toString();
	314	GVariantType *var_type = g_variant_type_new(raw_type.toUtf8());
	315
	316	QByteArray data = settings.value("value").toByteArray();
	317
	318	gpointer var_data = g_memdup((gconstpointer)data.constData(),
	319	(guint)data.size());
	320
	321	GVariant *value = g_variant_new_from_data(var_type, var_data,
	322	data.size(), false, g_free, var_data);
	323
	324	Glib::VariantBase ret_val = Glib::VariantBase(value, true);
	325
	326	g_variant_type_free(var_type);
	327	g_variant_unref(value);
	328
	329	return ret_val;
	330	}
d3feec23	331
bf9f1268	332	} // namespace pv