QortalOS Brooklyn for Raspberry Pi 4
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/*
KRDB - puts current KDE color scheme into preprocessor statements
cats specially written application default files and uses xrdb -merge to
write to RESOURCE_MANAGER. Thus it gives a simple way to make non-KDE
applications fit in with the desktop
SPDX-FileCopyrightText: 1998 Mark Donohoe
SPDX-FileCopyrightText: 2001 Waldo Bastian <[email protected]>
SPDX-FileCopyrightText: 2002 Karol Szwed <[email protected]>
reworked for KDE 2.0:
SPDX-FileCopyrightText: 1999 Dirk A. Mueller
add support for GTK applications:
SPDX-FileCopyrightText: 2001 Matthias Ettrich
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <config-X11.h>
#include <config-workspace.h>
#include <limits.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#undef Unsorted
#include <QApplication>
#include <QBuffer>
#include <QDir>
#include <QFontDatabase>
#include <QSettings>
#include <QTextCodec>
#include <QByteArray>
#include <QDBusConnection>
#include <QDateTime>
#include <QDebug>
#include <QPixmap>
#include <QSaveFile>
#include <QTemporaryFile>
#include <QTextStream>
#include <KColorScheme>
#include <KConfig>
#include <KConfigGroup>
#include <KLocalizedString>
#include <KProcess>
#include <KWindowSystem>
#include <Kdelibs4Migration>
#include <updatelaunchenvjob.h>
#include "krdb.h"
#if HAVE_X11
#include <QX11Info>
#include <X11/Xlib.h>
#endif
inline const char *gtkEnvVar(int version)
{
return 2 == version ? "GTK2_RC_FILES" : "GTK_RC_FILES";
}
inline const char *sysGtkrc(int version)
{
if (2 == version) {
if (access("/etc/opt/gnome/gtk-2.0", F_OK) == 0)
return "/etc/opt/gnome/gtk-2.0/gtkrc";
else
return "/etc/gtk-2.0/gtkrc";
} else {
if (access("/etc/opt/gnome/gtk", F_OK) == 0)
return "/etc/opt/gnome/gtk/gtkrc";
else
return "/etc/gtk/gtkrc";
}
}
inline const char *userGtkrc(int version)
{
return 2 == version ? "/.gtkrc-2.0" : "/.gtkrc";
}
// -----------------------------------------------------------------------------
static QString writableGtkrc(int version)
{
QString gtkrc = QStandardPaths::writableLocation(QStandardPaths::GenericConfigLocation);
QDir dir;
dir.mkpath(gtkrc);
gtkrc += 2 == version ? "/gtkrc-2.0" : "/gtkrc";
return gtkrc;
}
// -----------------------------------------------------------------------------
static void applyGtkStyles(int version)
{
QString gtkkde = writableGtkrc(version);
QByteArray gtkrc = getenv(gtkEnvVar(version));
QStringList list = QFile::decodeName(gtkrc).split(QLatin1Char(':'));
QString userHomeGtkrc = QDir::homePath() + userGtkrc(version);
if (!list.contains(userHomeGtkrc))
list.prepend(userHomeGtkrc);
QLatin1String systemGtkrc = QLatin1String(sysGtkrc(version));
if (!list.contains(systemGtkrc))
list.prepend(systemGtkrc);
list.removeAll(QLatin1String(""));
list.removeAll(gtkkde);
list.append(gtkkde);
// Pass env. var to kdeinit.
QString name = gtkEnvVar(version);
QString value = list.join(QLatin1Char(':'));
UpdateLaunchEnvJob(name, value);
}
// -----------------------------------------------------------------------------
static void applyQtColors(KSharedConfigPtr kglobalcfg, QSettings &settings, QPalette &newPal)
{
QStringList actcg, inactcg, discg;
/* export kde color settings */
int i;
for (i = 0; i < QPalette::NColorRoles; i++)
actcg << newPal.color(QPalette::Active, (QPalette::ColorRole)i).name();
for (i = 0; i < QPalette::NColorRoles; i++)
inactcg << newPal.color(QPalette::Inactive, (QPalette::ColorRole)i).name();
for (i = 0; i < QPalette::NColorRoles; i++)
discg << newPal.color(QPalette::Disabled, (QPalette::ColorRole)i).name();
settings.setValue(QStringLiteral("/qt/Palette/active"), actcg);
settings.setValue(QStringLiteral("/qt/Palette/inactive"), inactcg);
settings.setValue(QStringLiteral("/qt/Palette/disabled"), discg);
// export kwin's colors to qtrc for kstyle to use
KConfigGroup wmCfgGroup(kglobalcfg, "WM");
// active colors
QColor clr = newPal.color(QPalette::Active, QPalette::Window);
clr = wmCfgGroup.readEntry("activeBackground", clr);
settings.setValue(QStringLiteral("/qt/KWinPalette/activeBackground"), clr.name());
if (QPixmap::defaultDepth() > 8)
clr = clr.darker(110);
clr = wmCfgGroup.readEntry("activeBlend", clr);
settings.setValue(QStringLiteral("/qt/KWinPalette/activeBlend"), clr.name());
clr = newPal.color(QPalette::Active, QPalette::HighlightedText);
clr = wmCfgGroup.readEntry("activeForeground", clr);
settings.setValue(QStringLiteral("/qt/KWinPalette/activeForeground"), clr.name());
clr = newPal.color(QPalette::Active, QPalette::Window);
clr = wmCfgGroup.readEntry("frame", clr);
settings.setValue(QStringLiteral("/qt/KWinPalette/frame"), clr.name());
clr = wmCfgGroup.readEntry("activeTitleBtnBg", clr);
settings.setValue(QStringLiteral("/qt/KWinPalette/activeTitleBtnBg"), clr.name());
// inactive colors
clr = newPal.color(QPalette::Inactive, QPalette::Window);
clr = wmCfgGroup.readEntry("inactiveBackground", clr);
settings.setValue(QStringLiteral("/qt/KWinPalette/inactiveBackground"), clr.name());
if (QPixmap::defaultDepth() > 8)
clr = clr.darker(110);
clr = wmCfgGroup.readEntry("inactiveBlend", clr);
settings.setValue(QStringLiteral("/qt/KWinPalette/inactiveBlend"), clr.name());
clr = newPal.color(QPalette::Inactive, QPalette::Window).darker();
clr = wmCfgGroup.readEntry("inactiveForeground", clr);
settings.setValue(QStringLiteral("/qt/KWinPalette/inactiveForeground"), clr.name());
clr = newPal.color(QPalette::Inactive, QPalette::Window);
clr = wmCfgGroup.readEntry("inactiveFrame", clr);
settings.setValue(QStringLiteral("/qt/KWinPalette/inactiveFrame"), clr.name());
clr = wmCfgGroup.readEntry("inactiveTitleBtnBg", clr);
settings.setValue(QStringLiteral("/qt/KWinPalette/inactiveTitleBtnBg"), clr.name());
KConfigGroup kdeCfgGroup(kglobalcfg, "KDE");
settings.setValue(QStringLiteral("/qt/KDE/contrast"), kdeCfgGroup.readEntry("contrast", 7));
}
// -----------------------------------------------------------------------------
static void applyQtSettings(KSharedConfigPtr kglobalcfg, QSettings &settings)
{
/* export font settings */
// NOTE keep this in sync with kfontsettingsdata in plasma-integration (cf. also Bug 378262)
QFont defaultFont(QStringLiteral("Noto Sans"), 10, -1);
defaultFont.setStyleHint(QFont::SansSerif);
const KConfigGroup configGroup(KSharedConfig::openConfig(), QStringLiteral("General"));
const QString fontInfo = configGroup.readEntry(QStringLiteral("font"), QString());
if (!fontInfo.isEmpty()) {
defaultFont.fromString(fontInfo);
}
settings.setValue(QStringLiteral("/qt/font"), defaultFont.toString());
/* export effects settings */
KConfigGroup kdeCfgGroup(kglobalcfg, "General");
bool effectsEnabled = kdeCfgGroup.readEntry("EffectsEnabled", false);
bool fadeMenus = kdeCfgGroup.readEntry("EffectFadeMenu", false);
bool fadeTooltips = kdeCfgGroup.readEntry("EffectFadeTooltip", false);
bool animateCombobox = kdeCfgGroup.readEntry("EffectAnimateCombo", false);
QStringList guieffects;
if (effectsEnabled) {
guieffects << QStringLiteral("general");
if (fadeMenus)
guieffects << QStringLiteral("fademenu");
if (animateCombobox)
guieffects << QStringLiteral("animatecombo");
if (fadeTooltips)
guieffects << QStringLiteral("fadetooltip");
} else
guieffects << QStringLiteral("none");
settings.setValue(QStringLiteral("/qt/GUIEffects"), guieffects);
}
// -----------------------------------------------------------------------------
static void addColorDef(QString &s, const char *n, const QColor &col)
{
s += QStringLiteral("#define %1 ").arg(QString::fromUtf8(n));
s += col.name().toLower();
s += QLatin1Char('\n');
}
// -----------------------------------------------------------------------------
static void copyFile(QFile &tmp, QString const &filename, bool)
{
QFile f(filename);
if (f.open(QIODevice::ReadOnly)) {
QByteArray buf(8192, ' ');
while (!f.atEnd()) {
int read = f.read(buf.data(), buf.size());
if (read > 0)
tmp.write(buf.data(), read);
}
}
}
// -----------------------------------------------------------------------------
static void createGtkrc(const QPalette &cg, bool exportGtkTheme, const QString &gtkTheme, int version)
{
Q_UNUSED(cg);
// lukas: why does it create in ~/.kde/share/config ???
// pfeiffer: so that we don't overwrite the user's gtkrc.
// it is found via the GTK_RC_FILES environment variable.
QSaveFile saveFile(writableGtkrc(version));
if (!saveFile.open(QIODevice::WriteOnly))
return;
QTextStream t(&saveFile);
t.setCodec(QTextCodec::codecForLocale());
t << i18n(
"# created by KDE Plasma, %1\n"
"#\n",
QDateTime::currentDateTime().toString());
if (2 == version) { // we should maybe check for MacOS settings here
using Qt::endl;
t << endl;
t << "gtk-alternative-button-order = 1" << endl;
t << endl;
}
if (exportGtkTheme) {
QString gtkStyle;
if (gtkTheme.toLower() == QLatin1String("oxygen"))
gtkStyle = QStringLiteral("oxygen-gtk");
else
gtkStyle = gtkTheme;
bool exist_gtkrc = false;
QByteArray gtkrc = getenv(gtkEnvVar(version));
QStringList listGtkrc = QFile::decodeName(gtkrc).split(QLatin1Char(':'));
if (listGtkrc.contains(saveFile.fileName()))
listGtkrc.removeAll(saveFile.fileName());
listGtkrc.append(QDir::homePath() + userGtkrc(version));
listGtkrc.append(QDir::homePath() + "/.gtkrc-2.0-kde");
listGtkrc.append(QDir::homePath() + "/.gtkrc-2.0-kde4");
listGtkrc.removeAll(QLatin1String(""));
listGtkrc.removeDuplicates();
for (int i = 0; i < listGtkrc.size(); ++i) {
if ((exist_gtkrc = QFile::exists(listGtkrc.at(i))))
break;
}
if (!exist_gtkrc) {
QString gtk2ThemeFilename;
gtk2ThemeFilename = QStringLiteral("%1/.themes/%2/gtk-2.0/gtkrc").arg(QDir::homePath(), gtkStyle);
if (!QFile::exists(gtk2ThemeFilename)) {
QStringList gtk2ThemePath;
gtk2ThemeFilename.clear();
QByteArray xdgDataDirs = getenv("XDG_DATA_DIRS");
gtk2ThemePath.append(QDir::homePath() + "/.local");
gtk2ThemePath.append(QFile::decodeName(xdgDataDirs).split(QLatin1Char(':')));
gtk2ThemePath.removeDuplicates();
for (int i = 0; i < gtk2ThemePath.size(); ++i) {
gtk2ThemeFilename = QStringLiteral("%1/themes/%2/gtk-2.0/gtkrc").arg(gtk2ThemePath.at(i), gtkStyle);
if (QFile::exists(gtk2ThemeFilename))
break;
else
gtk2ThemeFilename.clear();
}
}
if (!gtk2ThemeFilename.isEmpty()) {
t << "include \"" << gtk2ThemeFilename << "\"" << Qt::endl;
t << Qt::endl;
t << "gtk-theme-name=\"" << gtkStyle << "\"" << Qt::endl;
t << Qt::endl;
}
}
}
saveFile.commit();
}
// -----------------------------------------------------------------------------
void runRdb(uint flags)
{
// Obtain the application palette that is about to be set.
bool exportQtColors = flags & KRdbExportQtColors;
bool exportQtSettings = flags & KRdbExportQtSettings;
bool exportXftSettings = flags & KRdbExportXftSettings;
bool exportGtkTheme = flags & KRdbExportGtkTheme;
KSharedConfigPtr kglobalcfg = KSharedConfig::openConfig(QStringLiteral("kdeglobals"));
KConfigGroup kglobals(kglobalcfg, "KDE");
QPalette newPal = KColorScheme::createApplicationPalette(kglobalcfg);
QTemporaryFile tmpFile;
if (!tmpFile.open()) {
qDebug() << "Couldn't open temp file";
exit(0);
}
KConfigGroup generalCfgGroup(kglobalcfg, "General");
QString gtkTheme;
if (kglobals.hasKey("widgetStyle"))
gtkTheme = kglobals.readEntry("widgetStyle");
else
gtkTheme = QStringLiteral("oxygen");
createGtkrc(newPal, exportGtkTheme, gtkTheme, 1);
createGtkrc(newPal, exportGtkTheme, gtkTheme, 2);
// Merge ~/.Xresources or fallback to ~/.Xdefaults
QString homeDir = QDir::homePath();
QString xResources = homeDir + "/.Xresources";
// very primitive support for ~/.Xresources by appending it
if (QFile::exists(xResources))
copyFile(tmpFile, xResources, true);
else
copyFile(tmpFile, homeDir + "/.Xdefaults", true);
// Export the Xcursor theme & size settings
KConfigGroup mousecfg(KSharedConfig::openConfig(QStringLiteral("kcminputrc")), "Mouse");
QString theme = mousecfg.readEntry("cursorTheme", QStringLiteral("breeze_cursors"));
QString size = mousecfg.readEntry("cursorSize", QStringLiteral("24"));
QString contents;
if (!theme.isNull())
contents = "Xcursor.theme: " + theme + '\n';
if (!size.isNull())
contents += "Xcursor.size: " + size + '\n';
if (exportXftSettings) {
contents += QLatin1String("Xft.antialias: ");
if (generalCfgGroup.readEntry("XftAntialias", true))
contents += QLatin1String("1\n");
else
contents += QLatin1String("0\n");
QString hintStyle = generalCfgGroup.readEntry("XftHintStyle", "hintslight");
contents += QLatin1String("Xft.hinting: ");
if (hintStyle.isEmpty())
contents += QLatin1String("-1\n");
else {
if (hintStyle != QLatin1String("hintnone"))
contents += QLatin1String("1\n");
else
contents += QLatin1String("0\n");
contents += "Xft.hintstyle: " + hintStyle + '\n';
}
QString subPixel = generalCfgGroup.readEntry("XftSubPixel", "rgb");
if (!subPixel.isEmpty())
contents += "Xft.rgba: " + subPixel + '\n';
KConfig _cfgfonts(QStringLiteral("kcmfonts"));
KConfigGroup cfgfonts(&_cfgfonts, "General");
int dpi;
// even though this sets up the X rdb, we want to use the value the
// user has set to use when under wayland - as X apps will be scaled by the compositor
if (KWindowSystem::isPlatformWayland()) {
dpi = cfgfonts.readEntry("forceFontDPIWayland", 0);
if (dpi == 0) { // with wayland we want xwayland to run at 96 dpi (unless set otherwise) as we have wayland scaling on top
dpi = 96;
}
} else {
dpi = cfgfonts.readEntry("forceFontDPI", 0);
}
if (dpi != 0)
contents += "Xft.dpi: " + QString::number(dpi) + '\n';
else {
KProcess queryProc;
queryProc << QStringLiteral("xrdb") << QStringLiteral("-query");
queryProc.setOutputChannelMode(KProcess::OnlyStdoutChannel);
queryProc.start();
if (queryProc.waitForFinished()) {
QByteArray db = queryProc.readAllStandardOutput();
int idx1 = 0;
while (idx1 < db.size()) {
int idx2 = db.indexOf('\n', idx1);
if (idx2 == -1) {
idx2 = db.size() - 1;
}
const auto entry = QByteArray::fromRawData(db.constData() + idx1, idx2 - idx1 + 1);
if (entry.startsWith("Xft.dpi:")) {
db.remove(idx1, entry.size());
} else {
idx1 = idx2 + 1;
}
}
KProcess loadProc;
loadProc << QStringLiteral("xrdb") << QStringLiteral("-quiet") << QStringLiteral("-load") << QStringLiteral("-nocpp");
loadProc.start();
if (loadProc.waitForStarted()) {
loadProc.write(db);
loadProc.closeWriteChannel();
loadProc.waitForFinished();
}
}
}
}
if (contents.length() > 0)
tmpFile.write(contents.toLatin1(), contents.length());
tmpFile.flush();
KProcess proc;
#ifndef NDEBUG
proc << QStringLiteral("xrdb") << QStringLiteral("-merge") << tmpFile.fileName();
#else
proc << "xrdb"
<< "-quiet"
<< "-merge" << tmpFile.fileName();
#endif
proc.execute();
applyGtkStyles(1);
applyGtkStyles(2);
/* Qt exports */
if (exportQtColors || exportQtSettings) {
QSettings *settings = new QSettings(QStringLiteral("Trolltech"));
if (exportQtColors)
applyQtColors(kglobalcfg, *settings, newPal); // For kcmcolors
if (exportQtSettings)
applyQtSettings(kglobalcfg, *settings); // For kcmstyle
delete settings;
QCoreApplication::processEvents();
#if HAVE_X11
if (qApp->platformName() == QLatin1String("xcb")) {
// We let KIPC take care of ourselves, as we are in a KDE app with
// QApp::setDesktopSettingsAware(false);
// Instead of calling QApp::x11_apply_settings() directly, we instead
// modify the timestamp which propagates the settings changes onto
// Qt-only apps without adversely affecting ourselves.
// Cheat and use the current timestamp, since we just saved to qtrc.
QDateTime settingsstamp = QDateTime::currentDateTime();
static Atom qt_settings_timestamp = 0;
if (!qt_settings_timestamp) {
QString atomname(QStringLiteral("_QT_SETTINGS_TIMESTAMP_"));
atomname += XDisplayName(nullptr); // Use the $DISPLAY envvar.
qt_settings_timestamp = XInternAtom(QX11Info::display(), atomname.toLatin1(), False);
}
QBuffer stamp;
QDataStream s(&stamp.buffer(), QIODevice::WriteOnly);
s << settingsstamp;
XChangeProperty(QX11Info::display(),
QX11Info::appRootWindow(),
qt_settings_timestamp,
qt_settings_timestamp,
8,
PropModeReplace,
(unsigned char *)stamp.buffer().data(),
stamp.buffer().size());
qApp->processEvents();
}
#endif
}
// Legacy support:
// Try to sync kde4 settings with ours
Kdelibs4Migration migration;
// kf5 congig groups for general and icons
KConfigGroup generalGroup(kglobalcfg, "General");
KConfigGroup iconsGroup(kglobalcfg, "Icons");
const QString colorSchemeName = generalGroup.readEntry("ColorScheme", QStringLiteral("BreezeLight"));
QString colorSchemeSrcFile;
if (colorSchemeName != QLatin1String("Default")) {
// fix filename, copied from ColorsCM::saveScheme()
QString colorSchemeFilename = colorSchemeName;
colorSchemeFilename.remove('\''); // So Foo's does not become FooS
QRegExp fixer(QStringLiteral("[\\W,.-]+(.?)"));
int offset;
while ((offset = fixer.indexIn(colorSchemeFilename)) >= 0)
colorSchemeFilename.replace(offset, fixer.matchedLength(), fixer.cap(1).toUpper());
colorSchemeFilename.replace(0, 1, colorSchemeFilename.at(0).toUpper());
// clone the color scheme
colorSchemeSrcFile = QStandardPaths::locate(QStandardPaths::GenericDataLocation, "color-schemes/" + colorSchemeFilename + ".colors");
const QString dest = migration.saveLocation("data", QStringLiteral("color-schemes")) + colorSchemeName + ".colors";
QFile::remove(dest);
QFile::copy(colorSchemeSrcFile, dest);
}
// Apply the color scheme
QString configFilePath = migration.saveLocation("config") + "kdeglobals";
if (configFilePath.isEmpty()) {
return;
}
KConfig kde4config(configFilePath, KConfig::SimpleConfig);
KConfigGroup kde4generalGroup(&kde4config, "General");
kde4generalGroup.writeEntry("ColorScheme", colorSchemeName);
// fonts
QString font = generalGroup.readEntry("font", QString());
if (!font.isEmpty()) {
kde4generalGroup.writeEntry("font", font);
}
font = generalGroup.readEntry("desktopFont", QString());
if (!font.isEmpty()) {
kde4generalGroup.writeEntry("desktopFont", font);
}
font = generalGroup.readEntry("menuFont", QString());
if (!font.isEmpty()) {
kde4generalGroup.writeEntry("menuFont", font);
}
font = generalGroup.readEntry("smallestReadableFont", QString());
if (!font.isEmpty()) {
kde4generalGroup.writeEntry("smallestReadableFont", font);
}
font = generalGroup.readEntry("taskbarFont", QString());
if (!font.isEmpty()) {
kde4generalGroup.writeEntry("taskbarFont", font);
}
font = generalGroup.readEntry("toolBarFont", QString());
if (!font.isEmpty()) {
kde4generalGroup.writeEntry("toolBarFont", font);
}
// TODO: does exist any way to check if a qt4 widget style is present from a qt5 app?
// kde4generalGroup.writeEntry("widgetStyle", "qtcurve");
kde4generalGroup.sync();
KConfigGroup kde4IconGroup(&kde4config, "Icons");
QString iconTheme = iconsGroup.readEntry("Theme", QString());
if (!iconTheme.isEmpty()) {
kde4IconGroup.writeEntry("Theme", iconTheme);
}
kde4IconGroup.sync();
if (!colorSchemeSrcFile.isEmpty()) {
// copy all the groups in the color scheme in kdeglobals
KSharedConfigPtr kde4ColorConfig = KSharedConfig::openConfig(colorSchemeSrcFile, KConfig::SimpleConfig);
foreach (const QString &grp, kde4ColorConfig->groupList()) {
KConfigGroup cg(kde4ColorConfig, grp);
KConfigGroup cg2(&kde4config, grp);
cg.copyTo(&cg2);
}
}
// widgets settings
KConfigGroup kglobals4(&kde4config, "KDE");
kglobals4.writeEntry("ShowIconsInMenuItems", kglobals.readEntry("ShowIconsInMenuItems", true));
kglobals4.writeEntry("ShowIconsOnPushButtons", kglobals.readEntry("ShowIconsOnPushButtons", true));
kglobals4.writeEntry("contrast", kglobals.readEntry("contrast", 4));
// FIXME: this should somehow check if the kde4 version of the style is installed
kde4generalGroup.writeEntry("widgetStyle", kglobals.readEntry("widgetStyle", "breeze"));
// toolbar style
KConfigGroup toolbars4(&kde4config, "Toolbar style");
KConfigGroup toolbars5(kglobalcfg, "Toolbar style");
toolbars4.writeEntry("ToolButtonStyle", toolbars5.readEntry("ToolButtonStyle", "TextBesideIcon"));
toolbars4.writeEntry("ToolButtonStyleOtherToolbars", toolbars5.readEntry("ToolButtonStyleOtherToolbars", "TextBesideIcon"));
}