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lxqt-globalkeys-packaging/daemon/core.h

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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
*
* LXDE-Qt - a lightweight, Qt based, desktop toolset
* http://razor-qt.org
*
* Copyright: 2013 Razor team
* Authors:
* Kuzma Shapran <kuzma.shapran@gmail.com>
*
* 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 */
#ifndef GLOBAL_ACTION_DAEMON__CORE__INCLUDED
#define GLOBAL_ACTION_DAEMON__CORE__INCLUDED
#include <QThread>
#include <QMap>
#include <QSet>
#include <QString>
#include <QQueue>
#include <QMutex>
#include <QList>
#include <QPair>
#include <QDBusConnection>
#include <QDBusMessage>
#include <QDBusObjectPath>
#include "meta_types.h"
#include "log_target.h"
extern "C" {
#include <X11/X.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xproto.h>
#undef Bool
}
class QTimer;
class DaemonAdaptor;
class NativeAdaptor;
class DBusProxy;
class BaseAction;
template<class Key>
class QOrderedSet : public QMap<Key, Key>
{
public:
typename QMap<Key, Key>::iterator insert(const Key &akey)
{
return QMap<Key, Key>::insert(akey, akey);
}
};
class Core : public QThread, public LogTarget
{
Q_OBJECT
public:
Core(bool useSyslog, bool minLogLevelSet, int minLogLevel, const QStringList &configFiles, bool multipleActionsBehaviourSet, MultipleActionsBehaviour multipleActionsBehaviour, QObject *parent = 0);
~Core();
bool ready() const { return mReady; }
virtual void log(int level, const char *format, ...) const;
signals:
void onShortcutGrabbed();
private:
Core(const Core &);
Core &operator = (const Core &);
private:
typedef QPair<KeyCode, unsigned int> X11Shortcut;
typedef QMap<X11Shortcut, QString> ShortcutByX11;
typedef QMap<QString, X11Shortcut> X11ByShortcut;
typedef QOrderedSet<qulonglong> Ids;
typedef QMap<QString, Ids> IdsByShortcut;
typedef QDBusObjectPath ClientPath;
typedef QMap<ClientPath, qulonglong> IdByClientPath;
typedef QPair<QString, BaseAction *> ShortcutAndAction;
typedef QMap<qulonglong, ShortcutAndAction> ShortcutAndActionById;
typedef QMap<ClientPath, QString> SenderByClientPath;
typedef QSet<ClientPath> ClientPaths;
typedef QMap<QString, ClientPaths> ClientPathsBySender;
private slots:
void serviceOwnerChanged(const QString &name, const QString &oldOwner, const QString &newOwner);
void serviceDisappeared(const QString &sender);
void addClientAction(QPair<QString, qulonglong> &result, const QString &shortcut, const QDBusObjectPath &path, const QString &description, const QString &sender);
void addMethodAction(QPair<QString, qulonglong> &result, const QString &shortcut, const QString &service, const QDBusObjectPath &path, const QString &interface, const QString &method, const QString &description);
void addCommandAction(QPair<QString, qulonglong> &result, const QString &shortcut, const QString &command, const QStringList &arguments, const QString &description);
void modifyClientAction(qulonglong &result, const QDBusObjectPath &path, const QString &description, const QString &sender);
void modifyActionDescription(bool &result, const qulonglong &id, const QString &description);
void modifyMethodAction(bool &result, const qulonglong &id, const QString &service, const QDBusObjectPath &path, const QString &interface, const QString &method, const QString &description);
void modifyCommandAction(bool &result, const qulonglong &id, const QString &command, const QStringList &arguments, const QString &description);
void enableClientAction(bool &result, const QDBusObjectPath &path, bool enabled, const QString &sender);
void isClientActionEnabled(bool &enabled, const QDBusObjectPath &path, const QString &sender);
void enableAction(bool &result, qulonglong id, bool enabled);
void isActionEnabled(bool &enabled, qulonglong id);
void getClientActionSender(QString &sender, qulonglong id);
void changeClientActionShortcut(QPair<QString, qulonglong> &result, const QDBusObjectPath &path, const QString &shortcut, const QString &sender);
void changeShortcut(QString &result, const qulonglong &id, const QString &shortcut);
void swapActions(bool &result, const qulonglong &id1, const qulonglong &id2);
void removeClientAction(bool &result, const QDBusObjectPath &path, const QString &sender);
void removeAction(bool &result, const qulonglong &id);
void deactivateClientAction(bool &result, const QDBusObjectPath &path, const QString &sender);
void setMultipleActionsBehaviour(const MultipleActionsBehaviour &behaviour);
void getMultipleActionsBehaviour(MultipleActionsBehaviour &result) const;
void getAllActionIds(QList<qulonglong> &result) const;
void getActionById(QPair<bool, GeneralActionInfo> &result, const qulonglong &id) const;
void getAllActions(QMap<qulonglong, GeneralActionInfo> &result) const;
void getClientActionInfoById(QPair<bool, ClientActionInfo> &result, const qulonglong &id) const;
void getMethodActionInfoById(QPair<bool, MethodActionInfo> &result, const qulonglong &id) const;
void getCommandActionInfoById(QPair<bool, CommandActionInfo> &result, const qulonglong &id) const;
void grabShortcut(const uint &timeout, QString &shortcut, bool &failed, bool &cancelled, bool &timedout, const QDBusMessage &message);
void cancelShortcutGrab();
void shortcutGrabbed();
void shortcutGrabTimedout();
private:
QPair<QString, qulonglong> addOrRegisterClientAction(const QString &shortcut, const QDBusObjectPath &path, const QString &description, const QString &sender);
qulonglong registerClientAction(const QString &shortcut, const QDBusObjectPath &path, const QString &description);
qulonglong registerMethodAction(const QString &shortcut, const QString &service, const QDBusObjectPath &path, const QString &interface, const QString &method, const QString &description);
qulonglong registerCommandAction(const QString &shortcut, const QString &command, const QStringList &arguments, const QString &description);
GeneralActionInfo actionInfo(const ShortcutAndAction &shortcutAndAction) const;
friend void unixSignalHandler(int signalNumber);
void unixSignalHandler(int signalNumber);
friend int x11ErrorHandler(Display *display, XErrorEvent *errorEvent);
int x11ErrorHandler(Display *display, XErrorEvent *errorEvent);
X11Shortcut ShortcutToX11(const QString &shortcut);
QString X11ToShortcut(const X11Shortcut &X11shortcut);
void wakeX11Thread();
void run();
KeyCode remoteStringToKeycode(const QString &str);
QString remoteKeycodeToString(KeyCode keyCode);
bool remoteXGrabKey(const X11Shortcut &X11shortcut);
bool remoteXUngrabKey(const X11Shortcut &X11shortcut);
QString grabOrReuseKey(const X11Shortcut &X11shortcut, const QString &shortcut);
QString checkShortcut(const QString &shortcut, X11Shortcut &X11shortcut);
bool isEscape(KeySym keySym, unsigned int modifiers);
bool isModifier(KeySym keySym);
bool isAllowed(KeySym keySym, unsigned int modifiers);
void saveConfig();
void lockX11Error();
bool checkX11Error(int level = LOG_NOTICE, uint timeout = 10);
bool waitForX11Error(int level, uint timeout);
private:
bool mReady;
bool mUseSyslog;
int mMinLogLevel;
int mX11ErrorPipe[2];
int mX11RequestPipe[2];
int mX11ResponsePipe[2];
Display *mDisplay;
Window mInterClientCommunicationWindow;
bool mX11EventLoopActive;
mutable QMutex mX11ErrorMutex;
QDBusConnection *mSessionConnection;
DaemonAdaptor *mDaemonAdaptor;
NativeAdaptor *mNativeAdaptor;
mutable QMutex mDataMutex;
qulonglong mLastId;
bool mGrabbingShortcut;
X11ByShortcut mX11ByShortcut;
ShortcutByX11 mShortcutByX11;
IdsByShortcut mIdsByShortcut;
ShortcutAndActionById mShortcutAndActionById;
IdByClientPath mIdByClientPath;
SenderByClientPath mSenderByClientPath; // add: path->sender
ClientPathsBySender mClientPathsBySender; // disappear: sender->[path]
unsigned int NumLockMask;
unsigned int ScrollLockMask;
unsigned int CapsLockMask;
unsigned int AltMask;
unsigned int MetaMask;
unsigned int Level3Mask;
unsigned int Level5Mask;
MultipleActionsBehaviour mMultipleActionsBehaviour;
bool mAllowGrabLocks;
bool mAllowGrabBaseSpecial;
bool mAllowGrabMiscSpecial;
bool mAllowGrabBaseKeypad;
bool mAllowGrabMiscKeypad;
bool mAllowGrabPrintable;
QString mConfigFile;
bool mSaveAllowed;
QTimer *mShortcutGrabTimeout;
QDBusMessage mShortcutGrabRequest;
bool mShortcutGrabRequested;
bool mSuppressX11ErrorMessages;
};
#endif // GLOBAL_ACTION_DAEMON__CORE__INCLUDED