323 lines
7.7 KiB
C
323 lines
7.7 KiB
C
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/*
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* synergy -- mouse and keyboard sharing utility
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* Copyright (C) 2005 Chris Schoeneman
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*
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* This package is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* found in the file COPYING that should have accompanied this file.
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*
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* This package is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef CINPUTFILTER_H
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#define CINPUTFILTER_H
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#include "KeyTypes.h"
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#include "MouseTypes.h"
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#include "ProtocolTypes.h"
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#include "IPlatformScreen.h"
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#include "CString.h"
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#include "stdmap.h"
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class CPrimaryClient;
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class CEvent;
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class CInputFilter {
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public:
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// -------------------------------------------------------------------------
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// Input Filter Condition Classes
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// -------------------------------------------------------------------------
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enum EFilterStatus {
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kNoMatch,
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kActivate,
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kDeactivate
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};
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class CCondition {
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public:
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CCondition();
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virtual ~CCondition();
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virtual CCondition* clone() const = 0;
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virtual CString format() const = 0;
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virtual EFilterStatus match(const CEvent&) = 0;
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virtual void enablePrimary(CPrimaryClient*);
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virtual void disablePrimary(CPrimaryClient*);
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};
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// CKeystrokeCondition
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class CKeystrokeCondition : public CCondition {
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public:
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CKeystrokeCondition(IPlatformScreen::CKeyInfo*);
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CKeystrokeCondition(KeyID key, KeyModifierMask mask);
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virtual ~CKeystrokeCondition();
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KeyID getKey() const;
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KeyModifierMask getMask() const;
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// CCondition overrides
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virtual CCondition* clone() const;
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virtual CString format() const;
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virtual EFilterStatus match(const CEvent&);
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virtual void enablePrimary(CPrimaryClient*);
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virtual void disablePrimary(CPrimaryClient*);
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private:
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UInt32 m_id;
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KeyID m_key;
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KeyModifierMask m_mask;
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};
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// CMouseButtonCondition
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class CMouseButtonCondition : public CCondition {
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public:
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CMouseButtonCondition(IPlatformScreen::CButtonInfo*);
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CMouseButtonCondition(ButtonID, KeyModifierMask mask);
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virtual ~CMouseButtonCondition();
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ButtonID getButton() const;
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KeyModifierMask getMask() const;
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// CCondition overrides
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virtual CCondition* clone() const;
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virtual CString format() const;
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virtual EFilterStatus match(const CEvent&);
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private:
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ButtonID m_button;
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KeyModifierMask m_mask;
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};
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// CScreenConnectedCondition
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class CScreenConnectedCondition : public CCondition {
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public:
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CScreenConnectedCondition(const CString& screen);
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virtual ~CScreenConnectedCondition();
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// CCondition overrides
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virtual CCondition* clone() const;
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virtual CString format() const;
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virtual EFilterStatus match(const CEvent&);
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private:
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CString m_screen;
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};
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// -------------------------------------------------------------------------
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// Input Filter Action Classes
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// -------------------------------------------------------------------------
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class CAction {
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public:
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CAction();
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virtual ~CAction();
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virtual CAction* clone() const = 0;
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virtual CString format() const = 0;
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virtual void perform(const CEvent&) = 0;
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};
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// CLockCursorToScreenAction
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class CLockCursorToScreenAction : public CAction {
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public:
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enum Mode { kOff, kOn, kToggle };
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CLockCursorToScreenAction(Mode = kToggle);
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Mode getMode() const;
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// CAction overrides
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virtual CAction* clone() const;
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virtual CString format() const;
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virtual void perform(const CEvent&);
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private:
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Mode m_mode;
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};
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// CSwitchToScreenAction
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class CSwitchToScreenAction : public CAction {
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public:
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CSwitchToScreenAction(const CString& screen);
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CString getScreen() const;
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// CAction overrides
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virtual CAction* clone() const;
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virtual CString format() const;
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virtual void perform(const CEvent&);
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private:
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CString m_screen;
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};
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// CSwitchInDirectionAction
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class CSwitchInDirectionAction : public CAction {
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public:
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CSwitchInDirectionAction(EDirection);
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EDirection getDirection() const;
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// CAction overrides
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virtual CAction* clone() const;
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virtual CString format() const;
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virtual void perform(const CEvent&);
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private:
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EDirection m_direction;
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};
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// CKeystrokeAction
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class CKeystrokeAction : public CAction {
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public:
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CKeystrokeAction(IPlatformScreen::CKeyInfo* adoptedInfo, bool press);
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~CKeystrokeAction();
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void adoptInfo(IPlatformScreen::CKeyInfo*);
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const IPlatformScreen::CKeyInfo*
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getInfo() const;
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bool isOnPress() const;
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// CAction overrides
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virtual CAction* clone() const;
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virtual CString format() const;
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virtual void perform(const CEvent&);
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protected:
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virtual const char* formatName() const;
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private:
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IPlatformScreen::CKeyInfo* m_keyInfo;
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bool m_press;
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};
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// CMouseButtonAction -- modifier combinations not implemented yet
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class CMouseButtonAction : public CAction {
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public:
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CMouseButtonAction(IPlatformScreen::CButtonInfo* adoptedInfo,
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bool press);
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~CMouseButtonAction();
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const IPlatformScreen::CButtonInfo*
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getInfo() const;
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bool isOnPress() const;
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// CAction overrides
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virtual CAction* clone() const;
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virtual CString format() const;
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virtual void perform(const CEvent&);
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protected:
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virtual const char* formatName() const;
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private:
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IPlatformScreen::CButtonInfo* m_buttonInfo;
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bool m_press;
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};
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class CRule {
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public:
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CRule();
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CRule(CCondition* adopted);
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CRule(const CRule&);
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~CRule();
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CRule& operator=(const CRule&);
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// replace the condition
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void setCondition(CCondition* adopted);
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// add an action to the rule
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void adoptAction(CAction*, bool onActivation);
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// remove an action from the rule
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void removeAction(bool onActivation, UInt32 index);
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// replace an action in the rule
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void replaceAction(CAction* adopted,
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bool onActivation, UInt32 index);
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// enable/disable
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void enable(CPrimaryClient*);
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void disable(CPrimaryClient*);
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// event handling
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bool handleEvent(const CEvent&);
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// convert rule to a string
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CString format() const;
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// get the rule's condition
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const CCondition*
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getCondition() const;
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// get number of actions
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UInt32 getNumActions(bool onActivation) const;
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// get action by index
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const CAction& getAction(bool onActivation, UInt32 index) const;
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private:
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void clear();
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void copy(const CRule&);
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private:
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typedef std::vector<CAction*> CActionList;
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CCondition* m_condition;
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CActionList m_activateActions;
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CActionList m_deactivateActions;
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};
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// -------------------------------------------------------------------------
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// Input Filter Class
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// -------------------------------------------------------------------------
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typedef std::vector<CRule> CRuleList;
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CInputFilter();
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CInputFilter(const CInputFilter&);
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virtual ~CInputFilter();
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CInputFilter& operator=(const CInputFilter&);
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// add rule, adopting the condition and the actions
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void addFilterRule(const CRule& rule);
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// remove a rule
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void removeFilterRule(UInt32 index);
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// get rule by index
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CRule& getRule(UInt32 index);
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// enable event filtering using the given primary client. disable
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// if client is NULL.
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void setPrimaryClient(CPrimaryClient* client);
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// convert rules to a string
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CString format(const CString& linePrefix) const;
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// get number of rules
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UInt32 getNumRules() const;
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//! Compare filters
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bool operator==(const CInputFilter&) const;
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//! Compare filters
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bool operator!=(const CInputFilter&) const;
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private:
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// event handling
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void handleEvent(const CEvent&, void*);
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private:
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CRuleList m_ruleList;
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CPrimaryClient* m_primaryClient;
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};
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#endif
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