windowing/windowserver/nga/SERVER/CAPKEY.CPP
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 01:47:50 +0200
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permissions -rw-r--r--
Revision: 201003 Kit: 201005
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// Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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// Capture key & hot key classes
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//
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#include <e32std.h>
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#include "server.h"
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#include "windowgroup.h"
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#include "EVENT.H"
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#include "inifile.h"
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_LIT(KWsProtectedKey, "PROTECTEDKEY");
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_LIT(KWsProtectedWindowName, "PROTECTEDKEYWINDOWNAME");
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TPriQue<CWsCaptureKeyUpsAndDowns> CWsCaptureKeyUpsAndDowns::iCaptureKeysUpsAndDowns(_FOFF(CWsCaptureKeyUpsAndDowns,iLink));
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TPriQue<CWsCaptureLongKey> CWsCaptureLongKey::iCaptureLongKeys(_FOFF(CWsCaptureLongKey,iLink));
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/*CWsCaptureKey*/
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CWsCaptureKey::CWsCaptureKey(CWsWindowGroup *aGroupWin) : CWsObject(aGroupWin?aGroupWin->WsOwner():NULL,WS_HANDLE_CAPTURE_KEY), iWindowGroup(aGroupWin)
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	{}
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CWsCaptureKey::~CWsCaptureKey()
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	{
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	TWindowServerEvent::CancelCaptureKey((TUint32)this);
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	}
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void CWsCaptureKey::CmdToParams(const TWsWinCmdCaptureKey &aCaptureKey, TCaptureKey &aParams)
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	{
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	aParams.iModifiers.iMask=aCaptureKey.modifierMask;
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	aParams.iModifiers.iValue=aCaptureKey.modifiers;
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	aParams.iKeyCodePattern.iKeyCode=(TInt16)aCaptureKey.key;
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	aParams.iKeyCodePattern.iPattern=EMatchKey;
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	aParams.iKeyCodePattern.iFiller=STATIC_CAST(TUint8,aCaptureKey.priority);
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	aParams.iApp=(TUint32)iWindowGroup;
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	aParams.iHandle=(TUint32)this;
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	}
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void CheckProtectedKeyL(CWsWindowGroup* aWindowGroup,const TWsWinCmdCaptureKey &aCaptureKey)
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	{
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	//The key specified in the WSINI file with the keyword: PROTECTEDKEY can only be captured 
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	//by a group window with name specified with the PROTECTEDKEYWINDOWNAME keyword.
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	TInt protectedKey;
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	if(WsIniFile->FindVar(KWsProtectedKey,protectedKey))
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		{
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		if (aCaptureKey.key == (TUint)protectedKey)
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			{
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			if (aWindowGroup->GroupName()==NULL)
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				{
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				User::Leave(KErrPermissionDenied);
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				}
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			TPtrC wsProtectedWindowName;
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			WsIniFile->FindVar(KWsProtectedWindowName,wsProtectedWindowName);
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			if (aWindowGroup->GroupName()->Find(wsProtectedWindowName)==KErrNotFound)
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				{
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				User::Leave(KErrPermissionDenied);
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				}
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			}
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		}
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	}
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void CWsCaptureKey::ConstructL(const TWsWinCmdCaptureKey &aCaptureKey)
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	{
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	CheckProtectedKeyL(iWindowGroup, aCaptureKey);
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	NewObjL();
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	TCaptureKey params;
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	CmdToParams(aCaptureKey, params);
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	TWindowServerEvent::AddCaptureKeyL(params);
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	}
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void CWsCaptureKey::SetL(const TWsWinCmdCaptureKey &aCaptureKey)
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	{
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	TCaptureKey params;
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	CmdToParams(aCaptureKey, params);
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	TWindowServerEvent::SetCaptureKey((TUint32)this, params);
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	}
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void CWsCaptureKey::CommandL(TInt , const TAny *)
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	{
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	}
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/*CWsCaptureKeyUpsAndDowns*/
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CWsCaptureKeyUpsAndDowns::CWsCaptureKeyUpsAndDowns(CWsWindowGroup *aGroupWin) : CWsObject(aGroupWin?aGroupWin->WsOwner():NULL,WS_HANDLE_CAPTURE_KEY_UPDOWNS), iWindowGroup(aGroupWin)
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	{}
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CWsCaptureKeyUpsAndDowns::~CWsCaptureKeyUpsAndDowns()
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	{
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	iLink.Deque();
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	}
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void CWsCaptureKeyUpsAndDowns::ConstructL(const TWsWinCmdCaptureKey &aCaptureKey)
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	{
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	CheckProtectedKeyL(iWindowGroup, aCaptureKey);
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	NewObjL();
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	iModifierMask=aCaptureKey.modifierMask;
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	iModifierValue=aCaptureKey.modifiers;
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	iScanCode=aCaptureKey.key;
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	iLink.iPriority=aCaptureKey.priority + 1;
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	iCaptureKeysUpsAndDowns.Add(*this);
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	--iLink.iPriority;
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	}
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   118
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void CWsCaptureKeyUpsAndDowns::CommandL(TInt , const TAny *)
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	{
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	}
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   122
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CWsWindowGroup *CWsCaptureKeyUpsAndDowns::CheckForCapture(TUint aScanCode, TUint aModifiers)
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	{
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	TDblQueIter<CWsCaptureKeyUpsAndDowns> iter(iCaptureKeysUpsAndDowns);
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	CWsCaptureKeyUpsAndDowns* cap;
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	while ((cap=iter++)!=NULL)
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		{
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		if (cap->iScanCode==aScanCode && (aModifiers&cap->iModifierMask)==cap->iModifierValue)
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			return(cap->iWindowGroup);
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		}
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	return NULL;
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	}
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   134
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   135
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/*CWsCaptureLongKey*/
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   137
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CWsCaptureLongKey::CWsCaptureLongKey(CWsWindowGroup *aGroupWin) 
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	:CWsObject(aGroupWin?aGroupWin->WsOwner():NULL,WS_HANDLE_CAPTURE_LONG_KEY), iWindowGroup(aGroupWin)
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	{}
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   141
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CWsCaptureLongKey::~CWsCaptureLongKey()
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	{
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	iLink.Deque();
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	}
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   146
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void CWsCaptureLongKey::ConstructL(const TWsWinCmdCaptureLongKey &aCaptureKey)
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	{
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	NewObjL();
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	iData=aCaptureKey;
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	if (iData.delay.Int()<0)
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		{
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		TTimeIntervalMicroSeconds32 time;
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		CKeyboardRepeat::GetRepeatTime(iData.delay,time);
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		}
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	iLink.iPriority=iData.priority + 1;
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	iCaptureLongKeys.Add(*this);
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	--iLink.iPriority;
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	}
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   160
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void CWsCaptureLongKey::CommandL(TInt , const TAny *)
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	{
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	}
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   164
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CWsCaptureLongKey* CWsCaptureLongKey::CheckForCapture(TUint aKeyCode, TInt aModifiers)
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	{
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	TDblQueIter<CWsCaptureLongKey> iter(iCaptureLongKeys);
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	CWsCaptureLongKey* longCapture;
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	while ((longCapture=iter++)!=NULL)
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		{
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		if (aKeyCode==longCapture->iData.inputKey && (aModifiers&longCapture->iData.modifierMask)==longCapture->iData.modifiers)
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			return longCapture;
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		}
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	return NULL;
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	}