/
configothertoolkits.cpp
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configothertoolkits.cpp
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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
*
* LXQt - a lightweight, Qt based, desktop toolset
* https://lxqt-project.org/
*
* Copyright: 2018 LXQt team
*
* This program or library is free software; you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* END_COMMON_COPYRIGHT_HEADER */
#include "configothertoolkits.h"
#include <QFile>
#include <QTextStream>
#include <QStandardPaths>
#include <QMetaEnum>
#include <QToolBar>
#include <QDir>
#include <QFileInfo>
#include <QFont>
#include <QDateTime>
#include <QMessageBox>
#include <QProcess>
#include <QGuiApplication>
#include <QDebug>
#include <sys/types.h>
#include <signal.h>
static const char *GTK2_CONFIG = R"GTK2_CONFIG(
# Created by lxqt-config-appearance (DO NOT EDIT!)
gtk-theme-name = "%1"
gtk-icon-theme-name = "%2"
gtk-font-name = "%3"
gtk-button-images = %4
gtk-menu-images = %4
gtk-toolbar-style = %5
gtk-cursor-theme-name = %6
gtk-cursor-theme-size = %7
)GTK2_CONFIG";
static const char *GTK3_CONFIG = R"GTK3_CONFIG(
# Created by lxqt-config-appearance (DO NOT EDIT!)
[Settings]
gtk-theme-name = %1
gtk-icon-theme-name = %2
# GTK3 ignores bold or italic attributes.
gtk-font-name = %3
gtk-menu-images = %4
gtk-button-images = %4
gtk-toolbar-style = %5
gtk-cursor-theme-name = %6
gtk-cursor-theme-size = %7
)GTK3_CONFIG";
static const char *XSETTINGS_CONFIG = R"XSETTINGS_CONFIG(
# Created by lxqt-config-appearance (DO NOT EDIT!)
Net/IconThemeName "%2"
Net/ThemeName "%1"
Gtk/FontName "%3"
# Gtk/MenuImages %4
# Gtk/ButtonImages %4
# Gtk/ToolbarStyle "%5"
Gtk/CursorThemeName "%6"
Gtk/CursorThemeSize %7
)XSETTINGS_CONFIG";
static const char *GTK3_GSETTINGS = R"GTK3_GSETTINGS(
set org.gnome.desktop.interface icon-theme "%2"
set org.gnome.desktop.interface gtk-theme "%1"
set org.gnome.desktop.interface font-name "%3"
# set org.gnome.settings-daemon.plugins.xsettings overrides "{'Gtk/ButtonImages': <%4>, 'Gtk/MenuImages': <%4>}"
# set org.gnome.desktop.interface toolbar-style "%5"
set org.gnome.desktop.interface cursor-theme "%6"
set org.gnome.desktop.interface cursor-size "%7"
)GTK3_GSETTINGS";
/*
* Button and menu images are deprecated in GTK 3.10:
* https://developer.gnome.org/gtk3/stable/GtkSettings.html#GtkSettings--gtk-menu-images
* Toolbar-style is also deprecated.
* GTK just doesn't intend to support image menu items. They're considered bad practice in modern UI.
*/
ConfigOtherToolKits::ConfigOtherToolKits(LXQt::Settings *settings, LXQt::Settings *configAppearanceSettings, QObject *parent) : QObject(parent)
{
mSettings = settings;
mConfigAppearanceSettings = configAppearanceSettings;
if(tempFile.open()) {
mXsettingsdProc.setProcessChannelMode(QProcess::ForwardedChannels);
mXsettingsdProc.start(QStringLiteral("xsettingsd"), QStringList() << QStringLiteral("-c") << tempFile.fileName());
if(!mXsettingsdProc.waitForStarted())
return;
tempFile.close();
}
}
ConfigOtherToolKits::~ConfigOtherToolKits()
{
mXsettingsdProc.close();
}
static QString get_environment_var(const char *envvar, const char *defaultValue)
{
QString homeDir = QStandardPaths::writableLocation(QStandardPaths::HomeLocation);
QString mDirPath = QString::fromLocal8Bit(qgetenv(envvar));
if(mDirPath.isEmpty())
mDirPath = homeDir + QLatin1String(defaultValue);
else {
const auto paths = mDirPath.split(QLatin1Char(':'));
for(const QString &path : paths) {
mDirPath = path;
break;
}
}
return mDirPath;
}
static QString _get_config_path(QString path)
{
QString homeDir = QStandardPaths::writableLocation(QStandardPaths::HomeLocation);
path.replace(QLatin1String("$XDG_CONFIG_HOME"), get_environment_var("XDG_CONFIG_HOME", "/.config"));
path.replace(QLatin1String("$GTK2_RC_FILES"), get_environment_var("GTK2_RC_FILES", "/.gtkrc-2.0")); // If $GTK2_RC_FILES is undefined, "~/.gtkrc-2.0" will be used.
path.replace(QLatin1String("~"), homeDir);
return path;
}
QString ConfigOtherToolKits::getGTKConfigPath(QString version)
{
if(version == QLatin1String("2.0"))
return _get_config_path(QStringLiteral("$GTK2_RC_FILES"));
return _get_config_path(QStringLiteral("$XDG_CONFIG_HOME/gtk-%1/settings.ini").arg(version));
}
static bool grep(QFile &file, QByteArray text)
{
if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
return false;
while (!file.atEnd()) {
QByteArray line = file.readLine().trimmed();
if(line.startsWith(text)) {
return true;
}
}
file.close();
return false;
}
bool ConfigOtherToolKits::backupGTKSettings(QString version)
{
QString gtkrcPath = getGTKConfigPath(version);
QFile file(gtkrcPath);
if(file.exists() && !grep(file, "# Created by lxqt-config-appearance (DO NOT EDIT!)")) {
QString backupPath = gtkrcPath + QStringLiteral("-") + QString::number(QDateTime::currentSecsSinceEpoch()) + QStringLiteral("~");
file.copy(backupPath);
QMessageBox::warning(nullptr, tr("GTK themes"),
tr("<p>'%1' has been overwritten.</p><p>You can find a copy of your old settings in '%2'</p>")
.arg(getGTKConfigPath(version), backupPath), QMessageBox::Ok);
return true;
}
return false;
}
void ConfigOtherToolKits::setConfig()
{
if(!mConfigAppearanceSettings->contains(QStringLiteral("ControlGTKThemeEnabled")))
mConfigAppearanceSettings->setValue(QStringLiteral("ControlGTKThemeEnabled"), false);
bool controlGTKThemeEnabled = mConfigAppearanceSettings->value(QStringLiteral("ControlGTKThemeEnabled")).toBool();
if(! controlGTKThemeEnabled)
return;
updateConfigFromSettings();
// Write GTK x config files
mConfig.styleTheme = getGTKThemeFromRCFile(QStringLiteral("2.0"));
setGTKConfig(QStringLiteral("2.0"));
mConfig.styleTheme = getGTKThemeFromRCFile(QStringLiteral("3.0"));
setGTKConfig(QStringLiteral("3.0"));
if(QGuiApplication::platformName() == QStringLiteral("xcb")) {
// Call to xsettings to update config
setXSettingsConfig();
}
setGsettingsConfig(QStringLiteral("3.0"));
}
void ConfigOtherToolKits::setXSettingsConfig()
{
// setGTKConfig is called before calling setXSettingsConfig,
// then updateConfigFromSettings is not required.
//updateConfigFromSettings();
//mConfig.styleTheme = getGTKThemeFromRCFile(version);
// Reload settings. xsettingsd must be installed.
// xsettingsd settings are written to stdin.
if(QProcess::Running == mXsettingsdProc.state()) {
QFile file(tempFile.fileName());
if(file.open(QIODevice::WriteOnly)) {
file.write( getConfig(XSETTINGS_CONFIG, ConfigOtherToolKits::GTK3).toLocal8Bit());
file.flush();
file.close();
}
int pid = mXsettingsdProc.processId();
kill(pid, SIGHUP);
}
}
void ConfigOtherToolKits::setGsettingsConfig(QString version, QString theme)
{
updateConfigFromSettings();
if(!theme.isEmpty())
mConfig.styleTheme = theme;
QString commands;
if(version == QLatin1String("3.0"))
commands = getConfig(GTK3_GSETTINGS, ConfigOtherToolKits::GTK3GSETTINGS);
for(QString command : commands.split(QStringLiteral("\n"))) {
if(command.isEmpty() || command.startsWith(QStringLiteral("#")))
continue;
QStringList args = QProcess::splitCommand(QStringView(command));
bool ok = QProcess::startDetached(QStringLiteral("gsettings"), args);
if(!ok) {
QMessageBox::critical((QWidget*) parent(), tr("Error"), tr("Error: gsettings cannot be run"));
break;
}
}
}
void ConfigOtherToolKits::setGTKConfig(QString version, QString theme)
{
updateConfigFromSettings();
if(!theme.isEmpty())
mConfig.styleTheme = theme;
backupGTKSettings(version);
QString gtkrcPath = getGTKConfigPath(version);
if(version == QLatin1String("2.0"))
writeConfig(gtkrcPath, GTK2_CONFIG, ConfigOtherToolKits::GTK2);
else
writeConfig(gtkrcPath, GTK3_CONFIG, ConfigOtherToolKits::GTK3);
}
QString ConfigOtherToolKits::getConfig(const char *configString, ConfigOtherToolKits::Version version)
{
LXQt::Settings* sessionSettings = new LXQt::Settings(QStringLiteral("session"));
QString mouseStyle = sessionSettings->value(QStringLiteral("Mouse/cursor_theme")).toString();
QString cursorSize = sessionSettings->value(QStringLiteral("Mouse/cursor_size")).toString();
delete sessionSettings;
switch(version) {
case ConfigOtherToolKits::GTK3GSETTINGS:
{
QString toolBar;
if(mConfig.toolButtonStyle == QLatin1String("GTK_TOOLBAR_ICONS"))
toolBar = QStringLiteral("icons");
else if(mConfig.toolButtonStyle == QLatin1String("GTK_TOOLBAR_TEXT"))
toolBar = QStringLiteral("text");
else if(mConfig.toolButtonStyle == QLatin1String("GTK_TOOLBAR_BOTH"))
toolBar = QStringLiteral("both");
else if(mConfig.toolButtonStyle == QLatin1String("GTK_TOOLBAR_BOTH_HORIZ"))
toolBar = QStringLiteral("both-horiz");
return QString::fromUtf8(configString).arg(mConfig.styleTheme, mConfig.iconTheme,
mConfig.fontName, mConfig.buttonStyle==0 ? QStringLiteral("0"):QStringLiteral("1"),
toolBar, mouseStyle, cursorSize
);
}
break;
case ConfigOtherToolKits::GTK3:
case ConfigOtherToolKits::GTK2:
return QString::fromUtf8(configString).arg(mConfig.styleTheme, mConfig.iconTheme,
mConfig.fontName, mConfig.buttonStyle==0 ? QStringLiteral("0"):QStringLiteral("1"),
mConfig.toolButtonStyle, mouseStyle, cursorSize
);
};
return QString();
}
void ConfigOtherToolKits::writeConfig(QString path, const char *configString, Version version)
{
path = _get_config_path(path);
QFile file(path);
if(! file.exists()) {
QFileInfo fileInfo(file);
QDir::home().mkpath(fileInfo.path());
}
if (!file.open(QIODevice::WriteOnly | QIODevice::Text)) {
return;
}
QTextStream out(&file);
out << getConfig(configString, version);
out.flush();
file.close();
}
QStringList ConfigOtherToolKits::getGTKThemes(QString version)
{
QStringList themeList;
QString configFile = version==QLatin1String("2.0") ? QStringLiteral("gtkrc") : QStringLiteral("gtk.css");
if(version != QLatin1String("2.0")) {
// Insert default GTK3 themes:
themeList << QStringLiteral("Adwaita") << QStringLiteral("HighContrast") << QStringLiteral("HighContrastInverse");
}
const QStringList dataPaths = QStandardPaths::standardLocations(QStandardPaths::GenericDataLocation);
for(const QString &dataPath : dataPaths) {
QDir themesPath(dataPath + QStringLiteral("/themes"));
const QStringList themes = themesPath.entryList(QDir::Dirs);
for(const QString &theme : themes) {
QDir dirsInTheme(QStringLiteral("%1/themes/%2").arg(dataPath, theme));
const QStringList dirs = dirsInTheme.entryList(QDir::Dirs);
for(const QString &dir : dirs) {
if(dir.startsWith(QLatin1String("gtk-"))) {
if(!version.endsWith(QLatin1String("*")) && dir != QStringLiteral("gtk-%1").arg(version))
continue;
QFileInfo themePath(QStringLiteral("%1/themes/%2/%3/%4").arg(dataPath, theme, dir, configFile));
if(themePath.exists() && !themeList.contains(theme))
themeList.append(theme);
}
}
}
}
return themeList;
}
QString ConfigOtherToolKits::getGTKThemeFromRCFile(QString version)
{
if(version == QLatin1String("2.0")) {
QString gtkrcPath = _get_config_path(QStringLiteral("$GTK2_RC_FILES"));
QFile file(gtkrcPath);
if(file.exists()) {
if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
return getDefaultGTKTheme();
while (!file.atEnd()) {
QByteArray line = file.readLine().trimmed();
if(line.startsWith("gtk-theme-name")) {
QList<QByteArray> parts = line.split('=');
if(parts.size()>=2) {
file.close();
return QString::fromUtf8(parts[1].replace('"', "").trimmed());
}
}
}
file.close();
}
} else {
QString gtkrcPath = _get_config_path(QStringLiteral("$XDG_CONFIG_HOME/gtk-%1/settings.ini").arg(version));
QFile file(gtkrcPath);
if(file.exists()) {
if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
return getDefaultGTKTheme();
bool settingsFound = false;
while (!file.atEnd()) {
QByteArray line = file.readLine().trimmed();
if(line.startsWith("[Settings]"))
settingsFound = true;
else if(line.startsWith("[") && line.endsWith("]"))
settingsFound = false;
else if(settingsFound && line.startsWith("gtk-theme-name")) {
QList<QByteArray> parts = line.split('=');
if(parts.size()>=2) {
file.close();
return QString::fromUtf8(parts[1].trimmed());
}
}
}
file.close();
}
}
return getDefaultGTKTheme();
}
QString ConfigOtherToolKits::getDefaultGTKTheme()
{
// Get the GTK default theme. Command line:
// $ gsettings get org.gnome.desktop.interface gtk-theme
QProcess gsettings;
QStringList args;
args << QStringLiteral("get") << QStringLiteral("org.gnome.desktop.interface") << QStringLiteral("gtk-theme");
gsettings.start(QStringLiteral("gsettings"), args);
if(! gsettings.waitForFinished())
return QString();
QByteArray defaultTheme = gsettings.readAll().trimmed();
gsettings.close();
if(defaultTheme.size() <= 1)
return QString();
// The theme has got quotation marks. Remove it:
defaultTheme.replace("'","");
return QString::fromUtf8(defaultTheme);
}
void ConfigOtherToolKits::updateConfigFromSettings()
{
mSettings->beginGroup(QLatin1String("Qt"));
QFont font;
font.fromString(mSettings->value(QStringLiteral("font")).toString());
// Font name from: https://developer.gnome.org/pango/stable/pango-Fonts.html#pango-font-description-from-string
// FAMILY-LIST [SIZE]", where FAMILY-LIST is a comma separated list of families optionally terminated by a comma,
// STYLE_OPTIONS is a whitespace separated list of words where each word describes one of style, variant, weight, stretch, or gravity, and
// SIZE is a decimal number (size in points) or optionally followed by the unit modifier "px" for absolute size.
mConfig.fontName = QStringLiteral("%1%2%3 %4")
.arg(font.family(), //%1
font.style()==QFont::StyleNormal?QString():QStringLiteral(" Italic"), //%2
font.weight()==QFont::Normal?QString():QStringLiteral(" Bold"), //%3
QString::number(font.pointSize())); //%4
mSettings->endGroup();
mConfig.iconTheme = mSettings->value(QStringLiteral("icon_theme")).toString();
{
// Tool button style
QByteArray tb_style = mSettings->value(QStringLiteral("tool_button_style")).toByteArray();
// convert toolbar style name to value
QMetaEnum me = QToolBar::staticMetaObject.property(QToolBar::staticMetaObject.indexOfProperty("toolButtonStyle")).enumerator();
int val = me.keyToValue(tb_style.constData());
mConfig.buttonStyle = 1;
switch(val) {
case Qt::ToolButtonIconOnly:
mConfig.toolButtonStyle = QLatin1String("GTK_TOOLBAR_ICONS");
break;
case Qt::ToolButtonTextOnly:
mConfig.toolButtonStyle = QLatin1String("GTK_TOOLBAR_TEXT");
mConfig.buttonStyle = 0;
break;
case Qt::ToolButtonTextUnderIcon:
mConfig.toolButtonStyle = QLatin1String("GTK_TOOLBAR_BOTH");
break;
default:
mConfig.toolButtonStyle = QLatin1String("GTK_TOOLBAR_BOTH_HORIZ");
}
}
}