kwin/src/keyboard_layout_switching.h
2022-12-16 20:58:17 +00:00

143 lines
2.9 KiB
C++

/*
KWin - the KDE window manager
This file is part of the KDE project.
SPDX-FileCopyrightText: 2017 Martin Gräßlin <mgraesslin@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#pragma once
#include <KConfigGroup>
#include <QHash>
#include <QObject>
#include <memory>
namespace KWin
{
class Window;
class KeyboardLayout;
class Xkb;
class VirtualDesktop;
namespace KeyboardLayoutSwitching
{
class Policy : public QObject
{
Q_OBJECT
public:
~Policy() override;
virtual QString name() const = 0;
static std::unique_ptr<Policy> create(Xkb *xkb, KeyboardLayout *layout, const KConfigGroup &config, const QString &policy);
protected:
explicit Policy(Xkb *xkb, KeyboardLayout *layout, const KConfigGroup &config = KConfigGroup());
virtual void clearCache() = 0;
virtual void layoutChanged(uint index) = 0;
void setLayout(uint index);
KConfigGroup m_config;
virtual const QString defaultLayoutEntryKey() const;
void clearLayouts();
static const char defaultLayoutEntryKeyPrefix[];
Xkb *m_xkb;
private:
KeyboardLayout *m_layout;
};
class GlobalPolicy : public Policy
{
Q_OBJECT
public:
explicit GlobalPolicy(Xkb *xkb, KeyboardLayout *layout, const KConfigGroup &config);
~GlobalPolicy() override;
QString name() const override
{
return QStringLiteral("Global");
}
protected:
void clearCache() override
{
}
void layoutChanged(uint index) override
{
}
private:
const QString defaultLayoutEntryKey() const override;
};
class VirtualDesktopPolicy : public Policy
{
Q_OBJECT
public:
explicit VirtualDesktopPolicy(Xkb *xkb, KeyboardLayout *layout, const KConfigGroup &config);
~VirtualDesktopPolicy() override;
QString name() const override
{
return QStringLiteral("Desktop");
}
protected:
void clearCache() override;
void layoutChanged(uint index) override;
private:
void desktopChanged();
QHash<VirtualDesktop *, quint32> m_layouts;
};
class WindowPolicy : public Policy
{
Q_OBJECT
public:
explicit WindowPolicy(Xkb *xkb, KeyboardLayout *layout);
~WindowPolicy() override;
QString name() const override
{
return QStringLiteral("Window");
}
protected:
void clearCache() override;
void layoutChanged(uint index) override;
private:
QHash<Window *, quint32> m_layouts;
};
class ApplicationPolicy : public Policy
{
Q_OBJECT
public:
explicit ApplicationPolicy(Xkb *xkb, KeyboardLayout *layout, const KConfigGroup &config);
~ApplicationPolicy() override;
QString name() const override
{
return QStringLiteral("WinClass");
}
protected:
void clearCache() override;
void layoutChanged(uint index) override;
private:
void windowActivated(Window *window);
QHash<Window *, quint32> m_layouts;
QHash<QString, quint32> m_layoutsRestored;
};
}
}