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/*
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* Copyright (c) 2008-2009 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: Pop-up TextBox dialog control implementation for S60
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*
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*/
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#include <eikenv.h>
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#include "CMIDTextBoxDialogControl.h"
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#include "lcdui.hrh"
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#include <lcdui.rsg>
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#include <EIKCOCTL.rsg>
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#include <j2me/jdebug.h>
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CMIDTextBoxDialogControl* CMIDTextBoxDialogControl::NewL(
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TInt aConstraints,
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const TDesC& aText,
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TInt aMaxSize,
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MMIDDisplayable* aDisplayable)
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{
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CMIDTextBoxDialogControl* self =
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new(ELeave) CMIDTextBoxDialogControl();
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CleanupStack::PushL(self);
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self->ConstructL(aConstraints, aText, aMaxSize, aDisplayable);
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CleanupStack::Pop(self);
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return self;
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}
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CMIDTextBoxDialogControl::~CMIDTextBoxDialogControl()
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{
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if (iDialog)
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{
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delete iDialog;
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}
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iTextContent.Close();
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delete iCurrentText;
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// Displayable is notified about content control deletion
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if (iDisplayable)
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{
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iDisplayable->NotifyContentDestroyed();
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}
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}
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void CMIDTextBoxDialogControl::ConstructL(
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TInt aConstraints,
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const TDesC& aText,
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TInt aMaxSize,
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MMIDDisplayable* aDisplayable)
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{
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iDisplayable = static_cast< CMIDDisplayable* >(aDisplayable);
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iTextContent.CreateL(KNullDesC, aMaxSize);
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CreateTextBoxQueryDialogL(iDialog, aConstraints, aMaxSize, aText);
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SetTextL(aText);
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iDisplayable->SetPopupTextBox(ETrue);
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SetRect(iDisplayable->Rect());
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iDisplayable->SetComponentL(*this);
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SetContainerWindowL(*iDisplayable);
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iCurrentText = GetTextL();
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if (iCurrentText)
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{
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iCursorPosition = iCurrentText->Length();
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}
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else
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{
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iCursorPosition = 0;
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}
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}
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CMIDTextBoxDialogControl::CMIDTextBoxDialogControl()
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{
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}
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void CMIDTextBoxDialogControl::CreateTextBoxQueryDialogL(
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CMIDTextBoxQueryDialog*& aDialog,
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TInt aConstraints, TInt aMaxSize,
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const TDesC& aText)
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{
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CMIDTextBoxQueryDialog* dialog = CMIDTextBoxQueryDialog::NewLC(
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aConstraints,
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iTextContent,
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aMaxSize,
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iDisplayable,
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aText);
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dialog->MakeVisible(EFalse);
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dialog->SetEditorL();
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aDialog = dialog;
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CleanupStack::Pop(dialog);
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}
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/** Deletes the existing text box dialog and recreates a new one. This is called by SetConstraints().
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If we fail creating the new text box we make sure the old one is still
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there. Makes sure the focus position is preserved. */
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void CMIDTextBoxDialogControl::RecreateTextBoxL(TUint aConstraints)
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{
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ASSERT(iDialog);
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HandleCurrentL(EFalse);
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HBufC* text = iDialog->GetTextL();
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CleanupStack::PushL(text);
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TInt maxSize = iDialog->GetMaxSize();
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iCursorPosition = iDialog->GetCaretPosition();
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// TextBox's focus state is stored because after recreating
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// TextBox the focus information is lost.
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TBool hasFocus = IsFocused();
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iTextContent.Close();
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iTextContent.CreateL(KNullDesC, maxSize);
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CMIDTextBoxQueryDialog* dialog = NULL;
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CreateTextBoxQueryDialogL(dialog, aConstraints, maxSize, KNullDesC);
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delete iDialog;
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iDialog = dialog;
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if (text)
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{
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iDialog->SetTextWithNewConstraintsL(text);
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}
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CleanupStack::PopAndDestroy(text);
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delete iCurrentText;
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iCurrentText = NULL;
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iCurrentText = GetTextL();
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// Check if the text size has changed and reposition cursor if needed
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if (iCursorPosition > iDialog->Size())
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{
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iCursorPosition = iDialog->Size();
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}
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// Activate new iTextBox with CoeControl
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ActivateL();
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// If TextBox had focus before recreation, the focus is restored.
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if (hasFocus)
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{
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iDialog->SetFocus(ETrue);
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}
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iDialog->SetTitleL(iDisplayable->Title());
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HandleCurrentL(iDisplayable->IsActive());
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}
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void CMIDTextBoxDialogControl::HandleCurrentL(TBool aCurrent)
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{
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if (aCurrent)
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{
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iEikonEnv->EikAppUi()->AddToStackL(iDialog, ECoeStackPriorityMenu);
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// Set dialog cursor to zero and back again after it returns from
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// iDialog->ShowL.
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TInt curPosition = iCursorPosition;
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iCursorPosition = 0;
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iDialog->SetCursorPositionL(iCursorPosition);
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iDialog->ShowL(ETrue);
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iCursorPosition = curPosition;
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// Set cursor position back to original value.
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iDialog->SetCursorPositionL(iCursorPosition);
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}
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else
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{
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delete iCurrentText;
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iCurrentText = NULL;
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iCurrentText = GetTextL();
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iCursorPosition = iDialog->GetCaretPosition();
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iDialog->ShowL(EFalse);
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iEikonEnv->EikAppUi()->RemoveFromStack(iDialog);
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}
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}
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//
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// methods from MMIDTextBox
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//
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void CMIDTextBoxDialogControl::DeleteTextL(TInt aOffset, TInt aLength)
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{
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if (iDialog)
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{
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iDialog->DeleteTextL(aOffset, aLength);
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iCursorPosition = GetCaretPosition();
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delete iCurrentText;
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iCurrentText = NULL;
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iCurrentText = GetTextL();
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}
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}
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void CMIDTextBoxDialogControl::SetTextL(const TDesC& aText)
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{
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if (iDialog)
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{
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iDialog->SetTextL(aText);
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iCursorPosition = GetCaretPosition();
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delete iCurrentText;
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iCurrentText = NULL;
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iCurrentText = GetTextL();
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}
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}
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void CMIDTextBoxDialogControl::InsertTextL(
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const TDesC& aText, TInt aPosition)
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{
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if (iDialog)
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{
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iDialog->InsertTextL(aText, aPosition);
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iCursorPosition = GetCaretPosition();
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delete iCurrentText;
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iCurrentText = NULL;
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iCurrentText = GetTextL();
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}
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}
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void CMIDTextBoxDialogControl::SetConstraintsL(TUint aConstraints)
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{
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RecreateTextBoxL(aConstraints);
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delete iCurrentText;
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iCurrentText = NULL;
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iCurrentText = GetTextL();
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}
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TInt CMIDTextBoxDialogControl::SetMaxSizeL(TInt aSize)
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{
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TInt maxSize = iDialog->SetMaxSizeL(aSize);
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iCursorPosition = GetCaretPosition();
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delete iCurrentText;
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iCurrentText = NULL;
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iCurrentText = GetTextL();
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return maxSize;
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}
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TInt CMIDTextBoxDialogControl::GetMaxSize()
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{
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return iDialog->GetMaxSize();
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}
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TInt CMIDTextBoxDialogControl::Size()
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{
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return iDialog->Size();
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}
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TInt CMIDTextBoxDialogControl::GetCaretPosition()
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{
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return iDialog->GetCaretPosition();
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}
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HBufC* CMIDTextBoxDialogControl::GetTextL()
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{
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return iDialog->GetTextL();
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}
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void CMIDTextBoxDialogControl::SetInitialInputModeL(
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const TDesC& aCharacterSubset)
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{
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iDialog->SetInitialInputModeL(aCharacterSubset);
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delete iCurrentText;
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iCurrentText = NULL;
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iCurrentText = GetTextL();
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}
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TInt CMIDTextBoxDialogControl::CountComponentControls() const
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{
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return 1; // iTextBox
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}
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CCoeControl* CMIDTextBoxDialogControl::ComponentControl(TInt aIndex) const
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{
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if (aIndex == 0)
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{
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return iDialog;
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}
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return NULL;
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}
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TKeyResponse CMIDTextBoxDialogControl::OfferKeyEventL(
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const TKeyEvent& aKeyEvent, TEventCode aType)
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{
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// If midlet is closed from applications menu or by pressing end key, then
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// 'esc' key event is generated. In that case we must close the dialog.
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if (aKeyEvent.iCode == EKeyEscape &&
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aKeyEvent.iModifiers == 0 &&
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aType == EEventKey)
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{
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HandleCurrentL(EFalse);
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return EKeyWasConsumed;
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}
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return EKeyWasNotConsumed;
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}
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void CMIDTextBoxDialogControl::FocusChanged(TDrawNow /*aDrawNow*/)
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{
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if (iDialog)
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{
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if (IsFocused())
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{
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iDialog->SetFocus(ETrue);
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}
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else
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{
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iDialog->SetFocus(EFalse);
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}
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}
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}
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void CMIDTextBoxDialogControl::ActivateL()
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{
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CCoeControl::ActivateL();
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// Cursor position must be set, because CEikEdwin doesn't leave the cursor
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// at its current position when the CEikEdwin is re-activated.
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iDialog->SetCursorPositionL(iCursorPosition);
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// needed to be called explicitly to layout controls as ActivateL() will not call it if size has not changed
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iDialog->SizeChanged();
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}
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void CMIDTextBoxDialogControl::SetTitleL(const TDesC* aString)
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{
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if (aString)
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{
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iDialog->SetTitleL(aString);
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}
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else
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{
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iDialog->SetTitleL(&KNullTitle);
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}
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// By recreating the dialog we ensure that the layout is correct.
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// Recreation is not needed when dialog is visible.
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if (iDialog->Showing())
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{
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RecreateTextBoxL(iDialog->Constraints());
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delete iCurrentText;
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iCurrentText = NULL;
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iCurrentText = GetTextL();
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}
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}
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CMIDTextBoxQueryDialog* CMIDTextBoxDialogControl::Dialog()
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{
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return iDialog;
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}
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// End of file
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