--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/fep/aknfep/UiPlugins/AknFepUiInterface/inc/AknFepUICtrlCandidatePane.h Wed Sep 01 12:23:33 2010 +0100
@@ -0,0 +1,305 @@
+/*
+* Copyright (c) 2002-2004 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:
+* Provides the CAknFepUICtrlCandidatePane definition.
+*
+*/
+
+
+
+
+
+
+
+
+
+
+
+
+#ifndef __AKN_FEP_CANDIDATE_PANE_H__
+#define __AKN_FEP_CANDIDATE_PANE_H__
+
+#include <e32std.h>
+#include <coecntrl.h>
+
+#include "AknFepUiCtrlContainerChinese.h"
+
+/**
+* TPage holds the start index, end index and start position in buffer of every display page
+*/
+struct TPage
+ {
+ TInt iStartIndex;
+ TInt iEndIndex;
+ };
+
+/**
+ * Pane which displays the Chinese Candidates.
+ */
+class MAknFepUICtrlCandidatePane
+ {
+public:
+ enum
+ {
+ EOneCandidate = 1,
+ EMaxCandidates = 10,
+ EMaxPages = 10,
+ EPhraseLength = 10
+ };
+ /**
+ * each candidate can be in a certain mode, which may affect its layout. Note
+ * that only stroke is needed at this time (for components), but more modes could be added
+ * later if the LAF spec changes.
+ */
+ enum TCandidateMode
+ {
+ ECandidateModeNormal,
+ ECandidateModeStroke
+ };
+public:
+ /**
+ * Allows the client to set a descriptor pointer into an existing buffer of
+ * data, avoiding unnecessary copying of data.
+ * <p> Note that if the buffer contains less characters than the current
+ * visible count, then the remaining characters will not be displayed.
+ * <p> Note also that if the current selection falls outside the range
+ * of the size of the new buffer, it will be made not visible.
+ * However, the current highlighted state remains, so if the selection
+ * is set once more to a valid entry (or if the buffer is set to a length that
+ * includes the currently selected position), and the highlight is still enabled,
+ * the highlight will reappear.
+ *
+ * @param aBufferPtr descriptor that contains the candidates for display,
+ * could be a pointer into a subset of a larger descriptor
+ * that contains all the candidates. Note that only the
+ * first EMaxCandidates of aBuffer will be used.
+ * Length must be > 0.
+ */
+ virtual void SetCandidateBuffer(const TDesC& aBuffer) = 0;
+
+ /**
+ * This function sets the highlighted status of the pane for rendering purposes.
+ * If the Pane is highlighted it displays the current selected Candidate,
+ * plus numbers with each of the other Candidates.
+ *
+ * @param aHighlighted ETrue if the highlight is to be set
+ * EFalse if the highlight is to be removed
+ */
+ virtual void SetHighlighted(TBool aHighlighted) = 0;
+
+ /**
+ * enable/disable the rendering of the Horizontal Scroll Arrows.
+ *
+ * @param aValue if ETrue, enable the arrows
+ * if EFalse, disable the arrrows
+ */
+ virtual void ShowHorizontalScrollArrows(TBool aValue) = 0;
+
+
+ /**
+ * enable/disable the rendering of the up Scroll Arrows.
+ *
+ * @param aValue if ETrue, enable the arrows
+ * if EFalse, disable the arrrows
+ */
+ virtual void ShowUpScrollArrows(TBool aValue) = 0;
+
+ /**
+ * enable/disable the rendering of the down Scroll Arrows.
+ *
+ * @param aValue if ETrue, enable the arrows
+ * if EFalse, disable the arrrows
+ */
+ virtual void ShowDownScrollArrows(TBool aValue) = 0;
+
+ /**
+ * enable/disable the rendering of the left Scroll Arrows.
+ *
+ * @param aValue if ETrue, enable the arrows
+ * if EFalse, disable the arrrows
+ */
+ virtual void ShowLeftScrollArrows(TBool aValue) = 0;
+
+ /**
+ * enable/disable the rendering of the right Scroll Arrows.
+ *
+ * @param aValue if ETrue, enable the arrows
+ * if EFalse, disable the arrrows
+ */
+ virtual void ShowRightScrollArrows(TBool aValue) = 0;
+
+ /**
+ * enable/disable the rendering of the Vertical Scroll Arrows.
+ *
+ * @param aValue if ETrue, enable the arrows
+ * if EFalse, disable the arrrows
+ */
+ virtual void ShowVerticalScrollArrows(TBool aValue) = 0;
+
+ /**
+ * enable/disable the rendering of the candidate ordinal numbers
+ *
+ * @param aValue if ETrue, enable the ordinals
+ * if EFalse, disable the ordinals
+ *
+ */
+ virtual void ShowCandidateOrdinals(TBool aValue) = 0;
+
+ /**
+ * This function returns the number of Candidates that are visible in the pane
+ * in its current configuration.
+ *
+ * @return number of candidates that are currently visible
+ */
+ virtual TInt VisibleCandidateCount() const = 0;
+
+ /**
+ * Select the first visible item in the candidate buffer
+ *
+ * @return ETrue if success, EFalse if no items visible
+ *
+ */
+ virtual TBool SelectFirst() = 0;
+
+ /**
+ * Select the first visible phrase item in the candidate buffer
+ *
+ * @return ETrue if success, EFalse if no items visible
+ *
+ */
+ virtual TBool SelectFirstPhrase() = 0;
+
+ /**
+ * Select the last visible item in the candidate buffer
+ *
+ * @return ETrue if success, EFalse if no items visible
+ *
+ */
+ virtual TBool SelectLast() = 0;
+
+ /**
+ * Select the last visible phrase item in the candidate buffer
+ *
+ * @return ETrue if success, EFalse if no items visible
+ *
+ */
+ virtual TBool SelectLastPhrase() = 0;
+
+ /**
+ * Select the next visible item
+ *
+ * @return ETrue if success,
+ * EFalse if no items visible, or if already on last visible item
+ */
+ virtual TBool SelectNext() = 0;
+ /**
+ * Select the previous visible item
+ *
+ * @return ETrue if success,
+ * EFalse if no items visible, or if already on first visible item
+ */
+ virtual TBool SelectPrev() = 0;
+
+ /**
+ * This function selects the given index.
+ * <p> Note that if the new selected index is within the visible count,
+ * but falls on a candidate that is not valid (i.e. if it falls outside the
+ * length of the candidate buffer) then nothing happens and EFalse is returned
+ *
+ * @param aIndex If aIndex falls outside length of candidate buffer,
+ * then return EFalse to indicate failure.
+ * @return ETrue if index was valid, EFalse if index not valid
+ */
+ virtual TBool SelectIndex(TInt aIndex, TBool selected = ETrue) = 0;
+
+ /**
+ * This function returns the selected index of the Candidate Pane.
+ *
+ * @return the index of the selected item. If the Pane is not highlighted it returns 0.
+ *
+ */
+ virtual TInt SelectedIndex() const = 0;
+
+ /**
+ * This function returns the character at index of the current selection
+ *
+ * @return a descrptor containing the character that is currently selected.
+ * If the currect selection falls outside the length of the current buffer,
+ * then return a null descriptor
+ *
+ */
+ virtual TPtrC CurrentCandidate() const = 0;
+ /**
+ * This function returns the phrase at index of the current selection
+ *
+ * @return a descrptor containing the character that is currently selected.
+ * If the currect selection falls outside the length of the current buffer,
+ * then return a null descriptor
+ *
+ */
+ virtual TPtrC CurrentPhraseCandidate() const = 0;
+ /**
+ * Split phrase candidates into pages
+ */
+ virtual void SplitPhraseCandidatesIntoPages() = 0;
+
+ /**
+ * Navigate to next page
+ */
+ virtual void NextCandidatePage(void) = 0;
+
+ /**
+ * Navigate to previous page
+ */
+ virtual void PreviousCandidatePage(void) = 0;
+
+ /**
+ * Return candidate array
+ */
+ virtual CDesCArrayFlat* CandidateArray(void) = 0;
+
+ /**
+ * Set phrase candidate buffer
+ */
+ virtual void SetCandidateBuffer(void) = 0;
+
+ /**
+ * Reset candidate pane state and variables
+ */
+ virtual void ResetCandidateState() = 0;
+
+ /**
+ * To test whether current page is the first page
+ */
+ virtual TBool IsFirstPage() = 0;
+
+ /**
+ * To test whether current page is the last page
+ */
+ virtual TBool IsLastPage() = 0;
+
+ /**
+ * To set all the cnadidate label invisible(phrase creation)
+ */
+ virtual void SetInVisiable() = 0;
+
+ /**
+ * To test whether need to get new candidate page
+ */
+ virtual TBool NeedGetNewCandidatePage() = 0;
+ };
+
+#endif //__AKN_FEP_CANDIDATE_PANE_H__
+
+// End of file