barrier/lib/server/CInputFilter.h

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/*
2010-06-20 17:38:51 +00:00
* synergy-plus -- mouse and keyboard sharing utility
* Copyright (C) 2009 The Synergy+ Project
* Copyright (C) 2005 Chris Schoeneman
*
* This package is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* found in the file COPYING that should have accompanied this file.
*
* This package 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.
2010-06-20 17:38:51 +00:00
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef CINPUTFILTER_H
#define CINPUTFILTER_H
#include "KeyTypes.h"
#include "MouseTypes.h"
#include "ProtocolTypes.h"
#include "IPlatformScreen.h"
#include "CString.h"
#include "stdmap.h"
#include "stdset.h"
class CPrimaryClient;
class CEvent;
class CInputFilter {
public:
// -------------------------------------------------------------------------
// Input Filter Condition Classes
// -------------------------------------------------------------------------
enum EFilterStatus {
kNoMatch,
kActivate,
kDeactivate
};
class CCondition {
public:
CCondition();
virtual ~CCondition();
virtual CCondition* clone() const = 0;
virtual CString format() const = 0;
virtual EFilterStatus match(const CEvent&) = 0;
virtual void enablePrimary(CPrimaryClient*);
virtual void disablePrimary(CPrimaryClient*);
};
// CKeystrokeCondition
class CKeystrokeCondition : public CCondition {
public:
CKeystrokeCondition(IPlatformScreen::CKeyInfo*);
CKeystrokeCondition(KeyID key, KeyModifierMask mask);
virtual ~CKeystrokeCondition();
KeyID getKey() const;
KeyModifierMask getMask() const;
// CCondition overrides
virtual CCondition* clone() const;
virtual CString format() const;
virtual EFilterStatus match(const CEvent&);
virtual void enablePrimary(CPrimaryClient*);
virtual void disablePrimary(CPrimaryClient*);
private:
UInt32 m_id;
KeyID m_key;
KeyModifierMask m_mask;
};
// CMouseButtonCondition
class CMouseButtonCondition : public CCondition {
public:
CMouseButtonCondition(IPlatformScreen::CButtonInfo*);
CMouseButtonCondition(ButtonID, KeyModifierMask mask);
virtual ~CMouseButtonCondition();
ButtonID getButton() const;
KeyModifierMask getMask() const;
// CCondition overrides
virtual CCondition* clone() const;
virtual CString format() const;
virtual EFilterStatus match(const CEvent&);
private:
ButtonID m_button;
KeyModifierMask m_mask;
};
// CScreenConnectedCondition
class CScreenConnectedCondition : public CCondition {
public:
CScreenConnectedCondition(const CString& screen);
virtual ~CScreenConnectedCondition();
// CCondition overrides
virtual CCondition* clone() const;
virtual CString format() const;
virtual EFilterStatus match(const CEvent&);
private:
CString m_screen;
};
// -------------------------------------------------------------------------
// Input Filter Action Classes
// -------------------------------------------------------------------------
class CAction {
public:
CAction();
virtual ~CAction();
virtual CAction* clone() const = 0;
virtual CString format() const = 0;
virtual void perform(const CEvent&) = 0;
};
// CLockCursorToScreenAction
class CLockCursorToScreenAction : public CAction {
public:
enum Mode { kOff, kOn, kToggle };
CLockCursorToScreenAction(Mode = kToggle);
Mode getMode() const;
// CAction overrides
virtual CAction* clone() const;
virtual CString format() const;
virtual void perform(const CEvent&);
private:
Mode m_mode;
};
// CSwitchToScreenAction
class CSwitchToScreenAction : public CAction {
public:
CSwitchToScreenAction(const CString& screen);
CString getScreen() const;
// CAction overrides
virtual CAction* clone() const;
virtual CString format() const;
virtual void perform(const CEvent&);
private:
CString m_screen;
};
// CSwitchInDirectionAction
class CSwitchInDirectionAction : public CAction {
public:
CSwitchInDirectionAction(EDirection);
EDirection getDirection() const;
// CAction overrides
virtual CAction* clone() const;
virtual CString format() const;
virtual void perform(const CEvent&);
private:
EDirection m_direction;
};
// CKeyboardBroadcastAction
class CKeyboardBroadcastAction : public CAction {
public:
enum Mode { kOff, kOn, kToggle };
CKeyboardBroadcastAction(Mode = kToggle);
CKeyboardBroadcastAction(Mode, const std::set<CString>& screens);
Mode getMode() const;
std::set<CString> getScreens() const;
// CAction overrides
virtual CAction* clone() const;
virtual CString format() const;
virtual void perform(const CEvent&);
private:
Mode m_mode;
CString m_screens;
};
// CKeystrokeAction
class CKeystrokeAction : public CAction {
public:
CKeystrokeAction(IPlatformScreen::CKeyInfo* adoptedInfo, bool press);
~CKeystrokeAction();
void adoptInfo(IPlatformScreen::CKeyInfo*);
const IPlatformScreen::CKeyInfo*
getInfo() const;
bool isOnPress() const;
// CAction overrides
virtual CAction* clone() const;
virtual CString format() const;
virtual void perform(const CEvent&);
protected:
virtual const char* formatName() const;
private:
IPlatformScreen::CKeyInfo* m_keyInfo;
bool m_press;
};
// CMouseButtonAction -- modifier combinations not implemented yet
class CMouseButtonAction : public CAction {
public:
CMouseButtonAction(IPlatformScreen::CButtonInfo* adoptedInfo,
bool press);
~CMouseButtonAction();
const IPlatformScreen::CButtonInfo*
getInfo() const;
bool isOnPress() const;
// CAction overrides
virtual CAction* clone() const;
virtual CString format() const;
virtual void perform(const CEvent&);
protected:
virtual const char* formatName() const;
private:
IPlatformScreen::CButtonInfo* m_buttonInfo;
bool m_press;
};
class CRule {
public:
CRule();
CRule(CCondition* adopted);
CRule(const CRule&);
~CRule();
CRule& operator=(const CRule&);
// replace the condition
void setCondition(CCondition* adopted);
// add an action to the rule
void adoptAction(CAction*, bool onActivation);
// remove an action from the rule
void removeAction(bool onActivation, UInt32 index);
// replace an action in the rule
void replaceAction(CAction* adopted,
bool onActivation, UInt32 index);
// enable/disable
void enable(CPrimaryClient*);
void disable(CPrimaryClient*);
// event handling
bool handleEvent(const CEvent&);
// convert rule to a string
CString format() const;
// get the rule's condition
const CCondition*
getCondition() const;
// get number of actions
UInt32 getNumActions(bool onActivation) const;
// get action by index
const CAction& getAction(bool onActivation, UInt32 index) const;
private:
void clear();
void copy(const CRule&);
private:
typedef std::vector<CAction*> CActionList;
CCondition* m_condition;
CActionList m_activateActions;
CActionList m_deactivateActions;
};
// -------------------------------------------------------------------------
// Input Filter Class
// -------------------------------------------------------------------------
typedef std::vector<CRule> CRuleList;
CInputFilter();
CInputFilter(const CInputFilter&);
virtual ~CInputFilter();
CInputFilter& operator=(const CInputFilter&);
// add rule, adopting the condition and the actions
void addFilterRule(const CRule& rule);
// remove a rule
void removeFilterRule(UInt32 index);
// get rule by index
CRule& getRule(UInt32 index);
// enable event filtering using the given primary client. disable
// if client is NULL.
void setPrimaryClient(CPrimaryClient* client);
// convert rules to a string
CString format(const CString& linePrefix) const;
// get number of rules
UInt32 getNumRules() const;
//! Compare filters
bool operator==(const CInputFilter&) const;
//! Compare filters
bool operator!=(const CInputFilter&) const;
private:
// event handling
void handleEvent(const CEvent&, void*);
private:
CRuleList m_ruleList;
CPrimaryClient* m_primaryClient;
};
#endif