kwin/decorations/decorationpalette.cpp
2019-07-10 11:04:04 +02:00

138 lines
5 KiB
C++

/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright 2014 Martin Gräßlin <mgraesslin@kde.org>
Copyright 2014 Hugo Pereira Da Costa <hugo.pereira@free.fr>
Copyright 2015 Mika Allan Rauhala <mika.allan.rauhala@gmail.com>
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 "decorationpalette.h"
#include "decorations_logging.h"
#include <KConfigGroup>
#include <KSharedConfig>
#include <KColorScheme>
#include <QPalette>
#include <QFileInfo>
#include <QStandardPaths>
namespace KWin
{
namespace Decoration
{
DecorationPalette::DecorationPalette(const QString &colorScheme)
: m_colorScheme(QFileInfo(colorScheme).isAbsolute()
? colorScheme
: QStandardPaths::locate(QStandardPaths::GenericConfigLocation, colorScheme))
{
if (!m_colorScheme.startsWith(QStandardPaths::writableLocation(QStandardPaths::GenericConfigLocation)) && colorScheme == QStringLiteral("kdeglobals")) {
// kdeglobals doesn't exist so create it. This is needed to monitor it using QFileSystemWatcher.
auto config = KSharedConfig::openConfig(colorScheme, KConfig::SimpleConfig);
KConfigGroup wmConfig(config, QStringLiteral("WM"));
wmConfig.writeEntry("FakeEntryToKeepThisGroup", true);
config->sync();
m_colorScheme = QStandardPaths::locate(QStandardPaths::GenericConfigLocation, colorScheme);
}
m_watcher.addPath(m_colorScheme);
connect(&m_watcher, &QFileSystemWatcher::fileChanged, [this]() {
m_watcher.addPath(m_colorScheme);
update();
emit changed();
});
update();
}
bool DecorationPalette::isValid() const
{
return m_activeTitleBarColor.isValid();
}
QColor DecorationPalette::color(KDecoration2::ColorGroup group, KDecoration2::ColorRole role) const
{
using KDecoration2::ColorRole;
using KDecoration2::ColorGroup;
switch (role) {
case ColorRole::Frame:
switch (group) {
case ColorGroup::Active:
return m_activeFrameColor;
case ColorGroup::Inactive:
return m_inactiveFrameColor;
default:
return QColor();
}
case ColorRole::TitleBar:
switch (group) {
case ColorGroup::Active:
return m_activeTitleBarColor;
case ColorGroup::Inactive:
return m_inactiveTitleBarColor;
default:
return QColor();
}
case ColorRole::Foreground:
switch (group) {
case ColorGroup::Active:
return m_activeForegroundColor;
case ColorGroup::Inactive:
return m_inactiveForegroundColor;
case ColorGroup::Warning:
return m_warningForegroundColor;
default:
return QColor();
}
default:
return QColor();
}
}
QPalette DecorationPalette::palette() const
{
return m_palette;
}
void DecorationPalette::update()
{
auto config = KSharedConfig::openConfig(m_colorScheme, KConfig::SimpleConfig);
KConfigGroup wmConfig(config, QStringLiteral("WM"));
if (!wmConfig.exists() && !m_colorScheme.endsWith(QStringLiteral("/kdeglobals"))) {
qCWarning(KWIN_DECORATIONS) << "Invalid color scheme" << m_colorScheme << "lacks WM group";
return;
}
m_palette = KColorScheme::createApplicationPalette(config);
m_activeFrameColor = wmConfig.readEntry("frame", m_palette.color(QPalette::Active, QPalette::Window));
m_inactiveFrameColor = wmConfig.readEntry("inactiveFrame", m_activeFrameColor);
m_activeTitleBarColor = wmConfig.readEntry("activeBackground", m_palette.color(QPalette::Active, QPalette::Highlight));
m_inactiveTitleBarColor = wmConfig.readEntry("inactiveBackground", m_inactiveFrameColor);
m_activeForegroundColor = wmConfig.readEntry("activeForeground", m_palette.color(QPalette::Active, QPalette::HighlightedText));
m_inactiveForegroundColor = wmConfig.readEntry("inactiveForeground", m_activeForegroundColor.dark());
KConfigGroup windowColorsConfig(config, QStringLiteral("Colors:Window"));
m_warningForegroundColor = windowColorsConfig.readEntry("ForegroundNegative", QColor(237, 21, 2));
}
}
}