Differential D25449 Diff 70122 kcms/formats/localemodel.cpp

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kcms/formats/localemodel.cpp

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1		#include "localemodel.h"
2
3		#include <KLocalizedString>
4		#include <QString>
5		#include <QLatin1Char>
6		#include <QIcon>
7		#include <QLocale>
8		#include <QStandardPaths>
9		#include <QTextCodec>
10
11		namespace {
12		bool countryLessThan(const QLocale & c1, const QLocale & c2)
13		{
14		// Ensure that the "Default (C)" locale always appears at the top
15		if (c1.name()== QLatin1Char('C') && c2.name()!=QLatin1String("C")) return true;
	davidedmundsonUnsubmitted Done c1 == QLocale::c() might be better than comparing names? davidedmundson: c1 == QLocale::c() might be better than comparing names?
	tcanabravaAuthorUnsubmitted Not Done old, unmodified code. Changing now. tcanabrava: old, unmodified code. Changing now.
	ervinUnsubmitted Done Missing spaces around != ervin: Missing spaces around !=
16		if (c2.name()== QLatin1Char('C')) return false;
	ervinUnsubmitted Done Missing space before == ervin: Missing space before ==
17
18		auto ncn = [](const QLocale& locale) -> QString {
19		return !locale.nativeCountryName().isEmpty() ? locale.nativeCountryName() : QLocale::countryToString(locale.country());
20		};
21
22		return QString::localeAwareCompare(ncn(c1), ncn(c2)) < 0;
23		}
24
25		QIcon loadFlagIcon(const QString &flagCode)
26		{
27		QString flag(QStandardPaths::locate(
28		QStandardPaths::GenericDataLocation,
29		QStringLiteral("kf5/locale/countries/%1/flag.png").arg(flagCode)));
30
31		return flag.isEmpty()
32		? QIcon::fromTheme("unknown")
33		: QIcon(flag);
34		}
35
36		QString getCountryLocale(const QString& localeName)
	ervinUnsubmitted Done Space before & and not after ervin: Space before & and not after
37		{
38		// This needs to use name() rather than bcp47name() or later on the export will generate a non-sense locale (e.g. "it" instead of
39		// "it_IT")
40		// TODO: Properly handle scripts (@foo)
41
42		if (!localeName.contains(QLatin1Char('.')) && localeName != QLatin1Char('C')) {
43		// explicitly add the encoding,
44		// otherwise Qt doesn't accept dead keys and garbles the output as well
45		return localeName + QLatin1Char('.') + QTextCodec::codecForLocale()->name();
46		}
47
48		return localeName;
49		}
50
51		QString getFlagCode(const QString& localeName)
	ervinUnsubmitted Done Ditto ervin: Ditto
52		{
53		const QStringList split = localeName.split(QLatin1Char('_'));
54		if (split.count() > 1) {
55		return split[1].toLower();
56		}
57		return {};
58		}
59
60		}
61
62		LocaleModel::LocaleModel(QObject* parent)
	ervinUnsubmitted Done Ditto ervin: Ditto
63		{
64		QList<QLocale> allLocales = QLocale::matchingLocales(QLocale::AnyLanguage, QLocale::AnyScript, QLocale::AnyCountry);
65		std::sort(allLocales.begin(), allLocales.end(), countryLessThan);
66
67		m_data.reserve(allLocales.size());
68
69		for(auto locale : allLocales) {
	ervinUnsubmitted Done for (const auto &localbe: qAsConst(allLocales)) ervin: for (const auto &localbe: qAsConst(allLocales))
70		const QString clabel = !locale.nativeCountryName().isEmpty() ? locale.nativeCountryName() : QLocale::countryToString(locale.country());
71		const QString cvalue = getCountryLocale(locale.name());
72		const QString flagcode = getFlagCode(locale.name());
73		const QIcon flagIcon = loadFlagIcon(flagcode);
74		const QString nativeLangName = locale.nativeLanguageName();
75		const QString visibleString = nativeLangName.isEmpty()
76		? i18n("%1 (%2)", clabel, locale.name())
77		: i18n("%1 - %2 (%3)", clabel, nativeLangName, locale.name());
78
79		m_data.append({flagIcon, visibleString, cvalue});
80		}
81		}
82
83		int LocaleModel::rowCount(const QModelIndex& parent) const
	ervinUnsubmitted Done Space before & not after ervin: Space before & not after
84		{
85		Q_UNUSED(parent);
86		return m_data.size();
	broulikUnsubmitted Done Ensure that it's not trying to make you a tree model: if (parent.isValid()) { return 0; } return m_data.count(); broulik: Ensure that it's not trying to make you a tree model: ``` if (parent.isValid()) { return 0…
87		}
88
89		QVariant LocaleModel::data(const QModelIndex& idx, int role) const
	ervinUnsubmitted Not Done Ditto ervin: Ditto
90		{
91		if (!idx.isValid()) {
92		return {};
	broulikUnsubmitted Done Use `checkIndex(idx)` which will also ensure it is within bounds iirc broulik: Use `checkIndex(idx)` which will also ensure it is within bounds iirc
93		}
94
95		switch(role) {
96		case Flag: return m_data.at(idx.row()).flag;
97		case LocaleName: return m_data.at(idx.row()).localeName;
98		case LocaleValue: return m_data.at(idx.row()).localeValue;
99		}
100
101		return {};
102		}
103
104		int LocaleModel::indexFor(const QString& value) const
	ervinUnsubmitted Done Ditto ervin: Ditto
105		{
106		for(int i = 0; i < m_data.size(); i++) {
	ervinUnsubmitted Not Done This sounds like a std::find_if ervin: This sounds like a std::find_if
	tcanabravaAuthorUnsubmitted Not Done it does, but the std::find_if has a worse readability than a for loop, at least for simple cases. I'm excited to be able to use ranges tougth. tcanabrava: it does, but the std::find_if has a worse readability than a for loop, at least for simple…
107		if (m_data.at(i).localeValue == value) {
108		return i;
109		}
110		}
111		return -1;
112		}
113
114		QString LocaleModel::valueFor(int idx) const
115		{
116		return m_data.at(idx).localeValue;
117		}
118
119		QHash<int, QByteArray> LocaleModel::roleNames() const
120		{
121		return QHash<int, QByteArray> ({
	ervinUnsubmitted Done You could just have return { here ervin: You could just have return { here
122		{ Flag, "flag" },
123		{ LocaleName, "localeName" },
124		{ LocaleValue, "localeValue" }
125		});
126		}
127