1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // RWsTextCursor and associated classes definitions

    15 // 

    16 //

    17 

    18 #ifndef __TCURSOR_H__

    19 #define __TCURSOR_H__

    20 

    21 #include "server.h"

    22 #include "cliwin.h"

    23 #include "sprite.h"

    24 

    25 class RWsTextCursor;

    26 class CEventQueue;

    27 class CWsRenderStage;

    28 class MWsTextCursor;

    29 

    30 class TCursorSprite

    31 	{

    32 public:

    33 	static void SetFocus(RWsTextCursor* aFocus,CWsClientWindow* aWin=NULL);

    34 	static void Hide();

    35 	static void Reveal();

    36 	static void SetCurrentCursor(RWsTextCursor* aFocus, CWsClientWindow* aWin);

    37 	static TBool IsStandardCursorActive();

    38 private:

    39 	static RWsTextCursor *iCurrentCursor;

    40 	static TBool iHidden;

    41 	};

    42 

    43 class RWsTextCursor : public MWsWindowTreeNode, public MWsStandardTextCursor

    44 	{

    45 public:

    46 	friend class TCursorSprite;

    47 public:

    48 	void ConstructL(CWsWindowGroup *aOwner);

    49 	void Close();

    50 	void SetL(const TWsWinCmdSetTextCursor &aSet, TBool aClipped);

    51 	void Cancel();

    52 	void WindowDisconnected(CWsWindow *aWin);

    53 	void LostFocus();

    54 	void ReceivedFocus();

    55 	inline CWsWindow* Win() const;

    56 	TRect RectRelativeToScreen() const;

    57 	TRect RectRelativeToWindow() const;

    58 	void Enable();

    59 	void Disable();

    60 	TBool IsStandardCursorActive();

    61 	TBool IsFlashing() const;

    62 	void Draw(const TRegion& aRegion);

    63 	TFlashState CurrentCursorFlashState() const;

    64 	void CreateNode();

    65 	void ReleaseNode();

    66 	void SendState(MWsWindowTreeObserver& aWindowTreeObserver) const;

    67 public:

    68 	enum TInternalFlags

    69 		{

    70 		EHasFocus	= 0x00000001,

    71 		EActiveNode	= 0x00000002

    72 		};

    73 public: // from MWsWindowTreeNode

    74 	MWsWindowTreeNode::TType NodeType() const;

    75 	const MWsWindow* Window() const;

    76 	const MWsSprite* Sprite() const;

    77 	const MWsStandardTextCursor* StandardTextCursor() const;

    78 	const MWsWindowGroup* WindowGroup() const;

    79 	const MWsWindowTreeNode* ParentNode() const;

    80 public: // from MWsStandardTextCursor

    81 	TInt Type() const;

    82 	TRect Rect() const;

    83 	TRect ClipRect() const;

    84     TUint Flags() const;

    85 	TRgb Color() const;

    86 	TTimeIntervalMicroSeconds32 FlashInterval() const;

    87 private:

    88 	void Clear();

    89 	void doDraw(const TRegion& aRegion);

    90 	void ScheduleReDrawNow();

    91 	void UpdateAttributes(TPoint aPos, TSize aSize, TInt aType, TUint aFlags, TRect aClipRect, TRgb aColor, CWsCustomTextCursor* aCustomTextCursor, CWsClientWindow* aWin);

    92 	void NotifyObserver(MWsWindowTreeObserver::TAttributes aAttribute) const;

    93 private:

    94 	CWsWindowGroup *iGroupWin;

    95 	CWsClientWindow *iWin;

    96 	TUint iInternalFlags;

    97 	TInt iType;

    98 	TPoint iPos;

    99 	TSize iSize;

   100     TUint iFlags;

   101 	TRgb iColor;

   102 	TRect iClipRect;

   103 	TTime iNextCursorUpdate;

   104 	RWsRegion iDrawRegion;

   105 	CWsCustomTextCursor* iCustomTextCursor;

   106 	};

   107 

   108 class CWsPointerCursor : public CWsSpriteBase

   109 	{

   110 public:

   111 	CWsPointerCursor(CWsClient *aOwner);

   112 	~CWsPointerCursor();

   113 	void ConstructL(const TWsClCmdCreatePointerCursor &aParams);

   114 	void CommandL(TInt aOpcode, const TAny *aCmdData);

   115 	void CloseObject();

   116 	void Close();

   117 	void Open();

   118 private:

   119 	TInt iAccessCount;

   120 	};

   121 

   122 class CWsCustomTextCursor : public CWsSpriteBase

   123 	{

   124 public:

   125 	CWsCustomTextCursor(CWsClient* aOwner, RWsSession::TCustomTextCursorAlignment aAlignment);

   126 	~CWsCustomTextCursor();

   127 	void ConstructL(TInt aFlags);

   128 	void CommandL(TInt aOpcode, const TAny* aCmdData);

   129 	void CompleteL(CWsWindow* aWin, TBool aFlash, TBool aClipSprite, const TPoint& aClipOffset, const TSize& aClipSize);

   130 	void SetPositionNoRedraw(const TPoint& aPos);

   131 	inline RWsSession::TCustomTextCursorAlignment Alignment() const;

   132 	inline void SetWindow(CWsClientWindow* aWin);

   133 private:

   134 	RWsSession::TCustomTextCursorAlignment iAlignment;

   135 	};

   136 

   137 inline CWsWindow* RWsTextCursor::Win() const

   138 	{

   139 	return iWin;

   140 	}

   141 

   142 inline RWsSession::TCustomTextCursorAlignment CWsCustomTextCursor::Alignment() const

   143 	{

   144 	return iAlignment;

   145 	}

   146 

   147 inline void CWsCustomTextCursor::SetWindow(CWsClientWindow* aWin)

   148 	{

   149 	iWin=aWin;

   150 	}

   151 

   152 #endif