Brooklyn/plasma/workspace/kcms/lookandfeel/lookandfeelmanager.cpp
2022-03-05 22:41:29 +05:00

558 lines
20 KiB
C++

/*
SPDX-FileCopyrightText: 2014 Marco Martin <mart@kde.org>
SPDX-FileCopyrightText: 2014 Vishesh Handa <me@vhanda.in>
SPDX-FileCopyrightText: 2019 Cyril Rossi <cyril.rossi@enioka.com>
SPDX-FileCopyrightText: 2021 Benjamin Port <benjamin.port@enioka.com>
SPDX-License-Identifier: LGPL-2.0-only
*/
#include "lookandfeelmanager.h"
#include "../../startkde/plasmaautostart/plasmaautostart.h"
#include "../colors/colorsapplicator.h"
#include "config-kcm.h"
#include "lookandfeeldata.h"
#include "lookandfeelsettings.h"
#include <KIO/CommandLauncherJob>
#include <KService>
#include <KSharedConfig>
#include <QDBusConnection>
#include <QDBusMessage>
#ifdef HAVE_XCURSOR
#include "../cursortheme/xcursor/xcursortheme.h"
#include <X11/Xcursor/Xcursor.h>
#endif
LookAndFeelManager::LookAndFeelManager(QObject *parent)
: QObject(parent)
, m_data(new LookAndFeelData(this))
, m_applyColors(true)
, m_applyWidgetStyle(true)
, m_applyIcons(true)
, m_applyPlasmaTheme(true)
, m_applyCursors(true)
, m_applyWindowSwitcher(true)
, m_applyDesktopSwitcher(true)
, m_applyWindowPlacement(true)
, m_applyShellPackage(true)
, m_resetDefaultLayout(false)
, m_applyLatteLayout(false)
, m_applyWindowDecoration(true)
, m_plasmashellChanged(false)
, m_fontsChanged(false)
{
m_applyLatteLayout = (KService::serviceByDesktopName("org.kde.latte-dock") != nullptr);
}
LookAndFeelSettings *LookAndFeelManager::settings() const
{
return m_data->settings();
}
void LookAndFeelManager::setSplashScreen(const QString &theme)
{
if (theme.isEmpty()) {
return;
}
KSharedConfigPtr config = KSharedConfig::openConfig(QStringLiteral("ksplashrc"));
KConfigGroup group(config, QStringLiteral("KSplash"));
KConfig configDefault(configDefaults(QStringLiteral("ksplashrc")));
KConfigGroup defaultGroup(&configDefault, QStringLiteral("KSplash"));
writeNewDefaults(group, defaultGroup, QStringLiteral("Theme"), theme);
// TODO: a way to set none as spash in the l&f
writeNewDefaults(group, defaultGroup, QStringLiteral("Engine"), QStringLiteral("KSplashQML"));
}
void LookAndFeelManager::setLockScreen(const QString &theme)
{
if (theme.isEmpty()) {
return;
}
writeNewDefaults(QStringLiteral("kscreenlockerrc"), QStringLiteral("Greeter"), QStringLiteral("Theme"), theme);
}
void LookAndFeelManager::setWindowSwitcher(const QString &theme)
{
if (theme.isEmpty()) {
return;
}
writeNewDefaults(QStringLiteral("kwinrc"), QStringLiteral("TabBox"), QStringLiteral("LayoutName"), theme);
}
void LookAndFeelManager::setDesktopSwitcher(const QString &theme)
{
if (theme.isEmpty()) {
return;
}
KSharedConfigPtr config = KSharedConfig::openConfig(QStringLiteral("kwinrc"));
KConfigGroup group(config, QStringLiteral("TabBox"));
KConfig configDefault(configDefaults(QStringLiteral("kwinrc")));
KConfigGroup defaultGroup(&configDefault, QStringLiteral("TabBox"));
writeNewDefaults(group, defaultGroup, QStringLiteral("DesktopLayout"), theme);
writeNewDefaults(group, defaultGroup, QStringLiteral("DesktopListLayout"), theme);
}
void LookAndFeelManager::setWindowPlacement(const QString &value)
{
if (value.isEmpty()) {
return;
}
writeNewDefaults(QStringLiteral("kwinrc"), QStringLiteral("Windows"), QStringLiteral("Placement"), value);
}
void LookAndFeelManager::setShellPackage(const QString &value)
{
if (value.isEmpty()) {
return;
}
writeNewDefaults(QStringLiteral("plasmashellrc"), QStringLiteral("Shell"), QStringLiteral("ShellPackage"), value);
m_plasmashellChanged = true;
}
void LookAndFeelManager::setWindowDecoration(const QString &library, const QString &theme)
{
if (library.isEmpty()) {
return;
}
KSharedConfigPtr config = KSharedConfig::openConfig(QStringLiteral("kwinrc"));
KConfigGroup group(config, QStringLiteral("org.kde.kdecoration2"));
KConfig configDefault(configDefaults(QStringLiteral("kwinrc")));
KConfigGroup defaultGroup(&configDefault, QStringLiteral("org.kde.kdecoration2"));
writeNewDefaults(group, defaultGroup, QStringLiteral("library"), library);
writeNewDefaults(group, defaultGroup, QStringLiteral("theme"), theme, KConfig::Notify);
}
void LookAndFeelManager::setWidgetStyle(const QString &style)
{
if (style.isEmpty()) {
return;
}
writeNewDefaults(QStringLiteral("kdeglobals"), QStringLiteral("KDE"), QStringLiteral("widgetStyle"), style, KConfig::Notify);
Q_EMIT styleChanged(style);
}
void LookAndFeelManager::setColors(const QString &scheme, const QString &colorFile)
{
if (scheme.isEmpty() && colorFile.isEmpty()) {
return;
}
KConfig configDefault(configDefaults(QStringLiteral("kdeglobals")));
auto kdeGlobalsCfg = KSharedConfig::openConfig(QStringLiteral("kdeglobals"), KConfig::FullConfig);
writeNewDefaults(*kdeGlobalsCfg, configDefault, QStringLiteral("General"), QStringLiteral("ColorScheme"), scheme, KConfig::Notify);
if (m_mode == Mode::Apply) {
applyScheme(colorFile, kdeGlobalsCfg.data(), KConfig::Notify);
}
Q_EMIT colorsChanged();
}
void LookAndFeelManager::setIcons(const QString &theme)
{
if (theme.isEmpty()) {
return;
}
writeNewDefaults(QStringLiteral("kdeglobals"), QStringLiteral("Icons"), QStringLiteral("Theme"), theme, KConfig::Notify);
Q_EMIT iconsChanged();
}
void LookAndFeelManager::setLatteLayout(const QString &filepath, const QString &name)
{
if (filepath.isEmpty()) {
// there is no latte layout
KIO::CommandLauncherJob latteapp(QStringLiteral("latte-dock"), {QStringLiteral("--disable-autostart")});
latteapp.setDesktopName("org.kde.latte-dock");
latteapp.start();
QDBusMessage quitmessage = QDBusMessage::createMethodCall(QStringLiteral("org.kde.lattedock"),
QStringLiteral("/MainApplication"),
QStringLiteral("org.qtproject.Qt.QCoreApplication"),
QStringLiteral("quit"));
QDBusConnection::sessionBus().call(quitmessage, QDBus::NoBlock);
} else {
KIO::CommandLauncherJob latteapp(
QStringLiteral("latte-dock"),
{QStringLiteral("--enable-autostart"), QStringLiteral("--import-layout"), filepath, QStringLiteral("--suggested-layout-name"), name});
latteapp.setDesktopName("org.kde.latte-dock");
latteapp.start();
}
}
void LookAndFeelManager::setPlasmaTheme(const QString &theme)
{
if (theme.isEmpty()) {
return;
}
writeNewDefaults(QStringLiteral("plasmarc"), QStringLiteral("Theme"), QStringLiteral("name"), theme);
}
void LookAndFeelManager::setGeneralFont(const QString &font)
{
if (font.isEmpty()) {
return;
}
writeNewDefaults(QStringLiteral("kdeglobals"), QStringLiteral("General"), QStringLiteral("font"), font, KConfig::Notify);
m_fontsChanged = true;
}
void LookAndFeelManager::setFixedFont(const QString &font)
{
if (font.isEmpty()) {
return;
}
writeNewDefaults(QStringLiteral("kdeglobals"), QStringLiteral("General"), QStringLiteral("fixed"), font, KConfig::Notify);
m_fontsChanged = true;
}
void LookAndFeelManager::setSmallestReadableFont(const QString &font)
{
if (font.isEmpty()) {
return;
}
writeNewDefaults(QStringLiteral("kdeglobals"), QStringLiteral("General"), QStringLiteral("smallestReadableFont"), font, KConfig::Notify);
m_fontsChanged = true;
}
void LookAndFeelManager::setToolbarFont(const QString &font)
{
if (font.isEmpty()) {
return;
}
writeNewDefaults(QStringLiteral("kdeglobals"), QStringLiteral("General"), QStringLiteral("toolBarFont"), font, KConfig::Notify);
m_fontsChanged = true;
}
void LookAndFeelManager::setMenuFont(const QString &font)
{
if (font.isEmpty()) {
return;
}
writeNewDefaults(QStringLiteral("kdeglobals"), QStringLiteral("General"), QStringLiteral("menuFont"), font, KConfig::Notify);
m_fontsChanged = true;
}
void LookAndFeelManager::setWindowTitleFont(const QString &font)
{
if (font.isEmpty()) {
return;
}
writeNewDefaults(QStringLiteral("kdeglobals"), QStringLiteral("WM"), QStringLiteral("activeFont"), font, KConfig::Notify);
m_fontsChanged = true;
}
void LookAndFeelManager::setResetDefaultLayout(bool reset)
{
if (m_resetDefaultLayout == reset) {
return;
}
m_resetDefaultLayout = reset;
Q_EMIT resetDefaultLayoutChanged();
}
bool LookAndFeelManager::resetDefaultLayout() const
{
return m_resetDefaultLayout;
}
void LookAndFeelManager::writeNewDefaults(const QString &filename,
const QString &group,
const QString &key,
const QString &value,
KConfig::WriteConfigFlags writeFlags)
{
KSharedConfigPtr config = KSharedConfig::openConfig(filename);
KConfigGroup configGroup(config, group);
KConfig configDefault(configDefaults(filename));
KConfigGroup defaultGroup(&configDefault, group);
writeNewDefaults(configGroup, defaultGroup, key, value, writeFlags);
}
void LookAndFeelManager::writeNewDefaults(KConfig &config,
KConfig &configDefault,
const QString &group,
const QString &key,
const QString &value,
KConfig::WriteConfigFlags writeFlags)
{
KConfigGroup configGroup(&config, group);
KConfigGroup defaultGroup(&configDefault, group);
writeNewDefaults(configGroup, defaultGroup, key, value, writeFlags);
}
void LookAndFeelManager::writeNewDefaults(KConfigGroup &group,
KConfigGroup &defaultGroup,
const QString &key,
const QString &value,
KConfig::WriteConfigFlags writeFlags)
{
defaultGroup.writeEntry(key, value, writeFlags);
defaultGroup.sync();
if (m_mode == Mode::Apply) {
group.revertToDefault(key, writeFlags);
group.sync();
}
}
KConfig LookAndFeelManager::configDefaults(const QString &filename)
{
return KConfig(QStandardPaths::writableLocation(QStandardPaths::GenericConfigLocation) + QLatin1String("/kdedefaults/") + filename, KConfig::SimpleConfig);
}
QString LookAndFeelManager::colorSchemeFile(const QString &schemeName) const
{
QString colorScheme(schemeName);
colorScheme.remove(QLatin1Char('\'')); // So Foo's does not become FooS
QRegExp fixer(QStringLiteral("[\\W,.-]+(.?)"));
int offset;
while ((offset = fixer.indexIn(colorScheme)) >= 0) {
colorScheme.replace(offset, fixer.matchedLength(), fixer.cap(1).toUpper());
}
colorScheme.replace(0, 1, colorScheme.at(0).toUpper());
// NOTE: why this loop trough all the scheme files?
// the scheme theme name is an heuristic, there is no plugin metadata whatsoever.
// is based on the file name stripped from weird characters or the
// eventual id- prefix store.kde.org puts, so we can just find a
// theme that ends as the specified name
const QStringList schemeDirs =
QStandardPaths::locateAll(QStandardPaths::GenericDataLocation, QStringLiteral("color-schemes"), QStandardPaths::LocateDirectory);
for (const QString &dir : schemeDirs) {
const QStringList fileNames = QDir(dir).entryList(QStringList() << QStringLiteral("*.colors"));
for (const QString &file : fileNames) {
if (file.endsWith(colorScheme + QStringLiteral(".colors"))) {
return dir + QLatin1Char('/') + file;
}
}
}
return QString();
}
void LookAndFeelManager::save(const KPackage::Package &package, const KPackage::Package &previousPackage)
{
if (m_resetDefaultLayout && m_mode == Mode::Apply) {
QDBusMessage message = QDBusMessage::createMethodCall(QStringLiteral("org.kde.plasmashell"),
QStringLiteral("/PlasmaShell"),
QStringLiteral("org.kde.PlasmaShell"),
QStringLiteral("loadLookAndFeelDefaultLayout"));
QList<QVariant> args;
args << m_data->settings()->lookAndFeelPackage();
message.setArguments(args);
QDBusConnection::sessionBus().call(message, QDBus::NoBlock);
if (m_applyLatteLayout) {
//! latte exists in system and user has chosen to update desktop layout
setLatteLayout(package.filePath("layouts", "looknfeel.layout.latte"), package.metadata().name());
}
}
if (!package.filePath("defaults").isEmpty()) {
KSharedConfigPtr conf = KSharedConfig::openConfig(package.filePath("defaults"));
KConfigGroup group(conf, "kdeglobals");
group = KConfigGroup(&group, "KDE");
if (m_applyWidgetStyle) {
QString widgetStyle = group.readEntry("widgetStyle", QString());
// Some global themes refer to breeze's widgetStyle with a lowercase b.
if (widgetStyle == QStringLiteral("breeze")) {
widgetStyle = QStringLiteral("Breeze");
}
setWidgetStyle(widgetStyle);
}
if (m_applyColors) {
QString colorsFile = package.filePath("colors");
KConfigGroup group(conf, "kdeglobals");
group = KConfigGroup(&group, "General");
QString colorScheme = group.readEntry("ColorScheme", QString());
if (!colorsFile.isEmpty()) {
if (!colorScheme.isEmpty()) {
setColors(colorScheme, colorsFile);
} else {
setColors(package.metadata().name(), colorsFile);
}
} else if (!colorScheme.isEmpty()) {
QString path = colorSchemeFile(colorScheme);
if (!path.isEmpty()) {
setColors(colorScheme, path);
}
}
}
if (m_applyIcons) {
group = KConfigGroup(conf, "kdeglobals");
group = KConfigGroup(&group, "Icons");
setIcons(group.readEntry("Theme", QString()));
}
if (m_applyPlasmaTheme) {
group = KConfigGroup(conf, "plasmarc");
group = KConfigGroup(&group, "Theme");
setPlasmaTheme(group.readEntry("name", QString()));
}
if (m_applyCursors) {
group = KConfigGroup(conf, "kcminputrc");
group = KConfigGroup(&group, "Mouse");
setCursorTheme(group.readEntry("cursorTheme", QString()));
}
if (m_applyWindowSwitcher) {
group = KConfigGroup(conf, "kwinrc");
group = KConfigGroup(&group, "WindowSwitcher");
setWindowSwitcher(group.readEntry("LayoutName", QString()));
}
if (m_applyDesktopSwitcher) {
group = KConfigGroup(conf, "kwinrc");
group = KConfigGroup(&group, "DesktopSwitcher");
setDesktopSwitcher(group.readEntry("LayoutName", QString()));
}
if (m_applyWindowPlacement) {
group = KConfigGroup(conf, "kwinrc");
group = KConfigGroup(&group, "Windows");
setWindowPlacement(group.readEntry("Placement", QStringLiteral("Centered")));
}
if (m_applyShellPackage) {
group = KConfigGroup(conf, "plasmashellrc");
group = KConfigGroup(&group, "Shell");
setShellPackage(group.readEntry("ShellPackage", QString()));
}
if (m_applyWindowDecoration) {
group = KConfigGroup(conf, "kwinrc");
group = KConfigGroup(&group, "org.kde.kdecoration2");
#ifdef HAVE_BREEZE_DECO
setWindowDecoration(group.readEntry("library", QStringLiteral(BREEZE_KDECORATION_PLUGIN_ID)), group.readEntry("theme", QStringLiteral("Breeze")));
#else
setWindowDecoration(group.readEntry("library", QStringLiteral("org.kde.kwin.aurorae")),
group.readEntry("theme", QStringLiteral("kwin4_decoration_qml_plastik")));
#endif
}
group = KConfigGroup(conf, "kdeglobals");
group = KConfigGroup(&group, "General");
setGeneralFont(group.readEntry("font", QString()));
setFixedFont(group.readEntry("fixed", QString()));
setSmallestReadableFont(group.readEntry("smallestReadableFont", QString()));
setToolbarFont(group.readEntry("toolBarFont", QString()));
setMenuFont(group.readEntry("menuFont", QString()));
group = KConfigGroup(conf, "kdeglobals");
group = KConfigGroup(&group, "WM");
setWindowTitleFont(group.readEntry("activeFont"));
if (m_fontsChanged) {
Q_EMIT fontsChanged();
m_fontsChanged = false;
}
setSplashScreen(m_data->settings()->lookAndFeelPackage());
setLockScreen(m_data->settings()->lookAndFeelPackage());
QFile packageFile(QStandardPaths::writableLocation(QStandardPaths::GenericConfigLocation) + QLatin1String("/kdedefaults/package"));
packageFile.open(QIODevice::WriteOnly);
packageFile.write(m_data->settings()->lookAndFeelPackage().toUtf8());
if (m_mode == Mode::Defaults) {
return;
}
// Reload KWin if something changed, but only once.
if (m_applyWindowSwitcher || m_applyDesktopSwitcher || m_applyWindowDecoration || m_applyWindowPlacement) {
QDBusMessage message = QDBusMessage::createSignal(QStringLiteral("/KWin"), QStringLiteral("org.kde.KWin"), QStringLiteral("reloadConfig"));
QDBusConnection::sessionBus().send(message);
}
if (m_plasmashellChanged) {
QDBusMessage message =
QDBusMessage::createSignal(QStringLiteral("/PlasmaShell"), QStringLiteral("org.kde.PlasmaShell"), QStringLiteral("refreshCurrentShell"));
QDBusConnection::sessionBus().send(message);
}
// autostart
if (m_resetDefaultLayout) {
QStringList toStop;
KService::List toStart;
// remove all the old package to autostart
{
KSharedConfigPtr oldConf = KSharedConfig::openConfig(previousPackage.filePath("defaults"));
group = KConfigGroup(oldConf, QStringLiteral("Autostart"));
const QStringList autostartServices = group.readEntry("Services", QStringList());
if (qEnvironmentVariableIsSet("KDE_FULL_SESSION")) {
for (const QString &serviceFile : autostartServices) {
KService service(serviceFile + QStringLiteral(".desktop"));
PlasmaAutostart as(serviceFile);
as.setAutostarts(false);
QString serviceName = service.property(QStringLiteral("X-DBUS-ServiceName")).toString();
toStop.append(serviceName);
}
}
}
// Set all the stuff in the new lnf to autostart
{
group = KConfigGroup(conf, QStringLiteral("Autostart"));
const QStringList autostartServices = group.readEntry("Services", QStringList());
for (const QString &serviceFile : autostartServices) {
KService::Ptr service(new KService(serviceFile + QStringLiteral(".desktop")));
PlasmaAutostart as(serviceFile);
as.setCommand(service->exec());
as.setAutostarts(true);
const QString serviceName = service->property(QStringLiteral("X-DBUS-ServiceName")).toString();
toStop.removeAll(serviceName);
if (qEnvironmentVariableIsSet("KDE_FULL_SESSION")) {
toStart += service;
}
}
}
Q_EMIT refreshServices(toStop, toStart);
}
}
}
void LookAndFeelManager::setCursorTheme(const QString themeName)
{
// TODO: use pieces of cursor kcm when moved to plasma-desktop
if (themeName.isEmpty()) {
return;
}
writeNewDefaults(QStringLiteral("kcminputrc"), QStringLiteral("Mouse"), QStringLiteral("cursorTheme"), themeName, KConfig::Notify);
Q_EMIT cursorsChanged(themeName);
}
void LookAndFeelManager::setMode(LookAndFeelManager::Mode mode)
{
m_mode = mode;
}