fep/aknfep/src/AknFepUiInputStatePredictiveInputQwertyChinesePhrase.cpp
changeset 0 eb1f2e154e89
child 50 5a1685599b76
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fep/aknfep/src/AknFepUiInputStatePredictiveInputQwertyChinesePhrase.cpp	Tue Feb 02 01:02:04 2010 +0200
@@ -0,0 +1,127 @@
+/*
+* Copyright (c) 2002-2005 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0""
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:            Implementation of predictive input qwerty chinese phrase state
+*
+*/
+
+
+
+
+
+
+
+
+
+
+
+
+
+#include "AknFepUiInputStatePredictiveInputQwertyChinesePhrase.h"
+#include "AknFepUICtrlCandidatePane.h"
+#include "AknFepUiCtrlContainerChinese.h"
+#include "AknFepUIManagerStateInterface.h"  //MAknFepUIManagerStateInterface
+#include "AknFepManagerUIInterface.h"       //MAknFepManagerUIInterface
+#include "AknFepManager.h"                  //FepMan flag
+
+#include <PtiEngine.h>                      //CPtiEngine
+
+TAknFepInputStatePredictiveInputQwertyChinesePhrase::
+TAknFepInputStatePredictiveInputQwertyChinesePhrase(
+    MAknFepUIManagerStateInterface* aOwner,
+    MAknFepUICtrlContainerChinese* aUIContainer)
+    :TAknFepInputStateCandidateQwertyBaseChinesePhrase(aOwner, aUIContainer)
+    {
+    iState = EPredictiveInput;
+    
+    MAknFepUICtrlContainerChinese* uiContainer = UIContainer();
+    // set container window position to follow cursor
+    TPoint baseLine = TPoint(0,0);
+    TInt height = 0;
+    TInt ascent = 0;
+    TRAPD(ret,iOwner->FepMan()->GetScreenCoordinatesL(baseLine,height,ascent));
+    if (ret == KErrNone)
+        {
+        uiContainer->SetContainerPosition(baseLine, height);    
+        }
+
+    uiContainer->FocusCandidatePane(ETrue);
+    uiContainer->SetLayout(MAknFepUICtrlContainerChinese::ELayoutCandidate);
+
+    CPtiEngine* ptiengine = iOwner->PtiEngine();
+    MAknFepUICtrlCandidatePane* candidatePane = uiContainer->CandidatePane();
+    
+    // for some reason needs to feed back to ptiengine current Chinese phrase just before get the prediction
+    candidatePane->SelectFirstPhrase();
+    if(iOwner->FepMan()->IsFlagSet(CAknFepManager::EFlagInsideInlineEditingTransaction) ||
+       iOwner->FepMan()->IsFlagSet(CAknFepManager::EFlagInsideMultitapInlineEditingTransaction))
+    	{// SetPredictiveChineseChar() should be called just after call fepMan->CommitInlineEditL() usually at some where
+    	TPtrC text = candidatePane->CurrentPhraseCandidate();
+    	ptiengine->SetPredictiveChineseChar(text);
+    	}
+    
+    
+    TRAPD(ignore,ptiengine->GetChinesePhraseCandidatesL(*(candidatePane->CandidateArray())));
+    if (ignore == KErrNone)
+        {
+        candidatePane->SplitPhraseCandidatesIntoPages(); 
+        uiContainer->SetLayout(MAknFepUICtrlContainerChinese::ELayoutCandidate);
+        candidatePane->SetCandidateBuffer();
+
+        TBool multiplePages = !(uiContainer->CandidatePane()->IsLastPage() &&
+                                uiContainer->CandidatePane()->IsFirstPage());
+        TInt bufLength = iOwner->PtiEngine()->CandidatePage().Length();
+        TBool showHorizontalScrollArrows = multiplePages || bufLength>1;
+
+        uiContainer->ShowHorizontalScrollArrows(showHorizontalScrollArrows); 
+        uiContainer->ShowVerticalScrollArrows(multiplePages);
+        uiContainer->CandidatePane()->ShowCandidateOrdinals(ETrue);
+        UpdateIndicator();
+        }
+    }
+
+TBool TAknFepInputStatePredictiveInputQwertyChinesePhrase::HandleKeyL(TInt aKey, 
+                                                                      TKeyPressLength aLength)
+    {
+    TBool ret = ETrue;
+    
+    if(aKey == EStdKeyBackspace)
+        {
+        iOwner->FepMan()->TryCloseUiL();
+        }
+    else if(aKey == EStdKeyLeftFunc && aLength == EShortKeyPress) // launch sct table
+        {
+        MAknFepManagerUIInterface* fepMan = iOwner->FepMan();
+        if (fepMan->IsAbleToLaunchSCT())
+            {
+            fepMan->LaunchSpecialCharacterTableL();
+            }
+        }
+    else if(iOwner->IsValidChineseInputKeyQwerty(aKey))
+        {
+        CPtiEngine* ptiengine = iOwner->PtiEngine();
+        // it is needed when we use phrase input engine, otherwise it seems not cleared
+        ptiengine->ClearCurrentWord(); 
+        ptiengine->ResetToneMark();
+
+        iOwner->ChangeState(EEntry);
+        ret = EFalse; //passes to entry state to handle the key
+        }
+    else 
+        {
+        ret = TAknFepInputStateCandidateQwertyBaseChinesePhrase::HandleKeyL(aKey, aLength);
+        }
+    return ret;
+    }
+
+// End of file