classicui_plat/misc_controls_api/inc/EIKCTGRP.H
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     1 /*
       
     2 * Copyright (c) 1997-1999 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #if !defined(__EIKCTGRP_H__)
       
    20 #define __EIKCTGRP_H__
       
    21 
       
    22 #if !defined(__EIKBCTRL_H__)
       
    23 #include <eikbctrl.h>
       
    24 #endif
       
    25 
       
    26 #include <lafpublc.h>
       
    27 
       
    28 class TEikGroupControl
       
    29 	{
       
    30 public:
       
    31 	/** Constructor
       
    32 	 */
       
    33 	inline TEikGroupControl();
       
    34     /** Constructor
       
    35      */
       
    36 	inline TEikGroupControl(CCoeControl* aControl,TInt aId,TInt aLength,TInt aFlags);
       
    37 public:
       
    38 	CCoeControl* iControl;
       
    39 	TInt iId;
       
    40 	TInt iLongId;
       
    41 public:
       
    42 	/** IsLengthSet() whether length has been set
       
    43 	 */
       
    44 	inline TBool IsLengthSet() const;
       
    45     /** Length() returns value of the length
       
    46      */
       
    47 	inline TInt Length() const;
       
    48     /** IsStretchable() whether controlgroup is stretchable
       
    49      */
       
    50 	inline TBool IsStretchable() const;
       
    51     /** SetLength() sets the length
       
    52      */
       
    53 	inline void SetLength(TInt aLength);
       
    54     /** SetStretchable() sets to be stretchable
       
    55      */
       
    56 	inline void SetStretchable();
       
    57 public:
       
    58 	enum TControlFlags
       
    59 		{
       
    60 		ESetLength		=0x01,
       
    61 		EAllowStretch	=0x02
       
    62 		};
       
    63 private:
       
    64 	TInt iLength;
       
    65 	TInt iFlags;
       
    66 	};
       
    67 
       
    68 class CEikControlGroup : public CEikBorderedControl
       
    69 	{
       
    70 friend class CTestControlGroup; // test code
       
    71 
       
    72 // CEikCba made a friend to get at Orientation() private method
       
    73 friend class CEikCba;
       
    74 // -> 
       
    75 public:
       
    76 	enum TStartCorner
       
    77 		{
       
    78 		EFromTopLeft=SLafControlGroup::EFromTopLeft,
       
    79 		EFromTopRight=SLafControlGroup::EFromTopRight,
       
    80 		EFromBottomLeft=SLafControlGroup::EFromBottomLeft,
       
    81 		EFromBottomRight=SLafControlGroup::EFromBottomRight
       
    82 		};
       
    83 	enum TOrientation
       
    84 		{
       
    85 		ELayHorizontally=SLafControlGroup::ELayHorizontally,
       
    86 		ELayVertically	=SLafControlGroup::ELayVertically	
       
    87 		};
       
    88 public: // new functions
       
    89 	/** Constructor
       
    90 	 */
       
    91 	IMPORT_C CEikControlGroup();
       
    92     /** Destructor
       
    93      */
       
    94 	IMPORT_C ~CEikControlGroup();
       
    95     /** ConstructL() constructs the CEikControlGroup
       
    96      * @param aStart corner to start
       
    97      * @param aOrientation whether controlgroup is vertical or horizontal
       
    98      */
       
    99 	IMPORT_C void ConstructL(TStartCorner aStart,TOrientation aOrientation);
       
   100 	/** AddControlL() adds a new control to the controlgroup
       
   101 	 * @param aControl control to be added
       
   102 	 * @param aId id of the control
       
   103 	 */
       
   104 	IMPORT_C virtual void AddControlL(CCoeControl* aControl,TInt aId);
       
   105 	/** AddControlL() adds new control to the controlgroup
       
   106      * @param aControlGroup a control and it's id packed into TEikGroupControl struct
       
   107 	 */
       
   108 	IMPORT_C virtual void AddControlL(TEikGroupControl& aGroupControl);
       
   109     /** InsertControlL() inserts a control to specific position
       
   110      * @param aGroupControl control and its id packed to a struct
       
   111      * @param aIndex index of the array where new control is to be inserted
       
   112      */
       
   113 	IMPORT_C void InsertControlL(TEikGroupControl& aGroupControl,TInt aIndex);
       
   114     /** DeleteControl() removes control from the group
       
   115      * @param aIndex at which position of the array to delete
       
   116      * @param aCount how many controls to delete
       
   117      */
       
   118 	IMPORT_C void DeleteControl(TInt aIndex,TInt aCount);
       
   119     /** SetLengthInPixels() sets length of the control group in pixels
       
   120      * @param aLength length of the whole control group in pixels
       
   121      */
       
   122 	IMPORT_C void SetLengthInPixels(TInt aLength);
       
   123     /** SetBreadthInPixels() sets width of the control group
       
   124      * @param aBreadth width of the control group
       
   125      */
       
   126 	IMPORT_C void SetBreadthInPixels(TInt aBreadth);
       
   127     /** SetControlSpacing sets horizontal and vertical spacing
       
   128      * @param aHSpacing horizontal spacing between controls
       
   129      * @param aVSpacing vertical spacing between controls
       
   130      */
       
   131 	IMPORT_C void SetControlSpacing(TInt aHSpacing,TInt aVSpacing);
       
   132     /** SetControlLayout sets control layout parameters
       
   133      * @param aStart start corner
       
   134      * @param aOrientation vertical or horizontal orientation
       
   135      */
       
   136 	IMPORT_C void SetControlLayout(TStartCorner aStart,TOrientation aOrientation);
       
   137     /** SetNumberOfLines() sets number of lines of the control group
       
   138      * @param aNumLines number of lines
       
   139      * @param aDistributeEvenly whether controls distribute evenly to the group
       
   140      */
       
   141 	IMPORT_C void SetNumberOfLines(TInt aNumLines,TBool aDistributeEvenly);
       
   142     /** SetControlsAllSameSize() sets all controls to be the same size
       
   143      */
       
   144 	IMPORT_C void SetControlsAllSameSize();
       
   145     /** LayoutControls layouts the controls
       
   146      */
       
   147 	IMPORT_C void LayoutControls();
       
   148     /** ControlById() fetches individual controls by id
       
   149      * @param aId id of the control
       
   150      */
       
   151 	IMPORT_C CCoeControl* ControlById(TInt aId) const;
       
   152     /** IndexById() gets array index from id
       
   153      * @param aId id number of the control
       
   154      * @return index number to the array
       
   155      */
       
   156 	IMPORT_C TInt IndexById(TInt aId) const;
       
   157     /** Reset() clears the control array
       
   158      */
       
   159 	IMPORT_C void Reset();
       
   160     /** ControlId() finds id of the control based on CCoeCOntrol pointer
       
   161      * @param aControl control stored in a control group
       
   162      * @return id of the control
       
   163      */
       
   164 	IMPORT_C TInt ControlId(CCoeControl* aControl) const;
       
   165     /** Control() returns CCoeControl pointer based on array index
       
   166      * @param aIndex index to the internal array
       
   167      * @return control in that position of the array
       
   168      */
       
   169 	IMPORT_C CCoeControl* Control(TInt aIndex) const; // as requested by Bill
       
   170     /** ControlArray() access to the actual array representation
       
   171      * @return array
       
   172      */
       
   173 	IMPORT_C CArrayFix<TEikGroupControl>* ControlArray() const;
       
   174     /** Orientation orientation of the control group
       
   175      * @return either horizontal or vertical orientation
       
   176      */
       
   177 	IMPORT_C TOrientation Orientation() const;
       
   178 	/** ControlSpacing() gets control's spacing
       
   179 	 * @aHSpacing modifies variable to get horizontal spacing
       
   180 	 * @aVSpacing modifies variable to get vertical spacing
       
   181      */
       
   182  	IMPORT_C void ControlSpacing(TInt& aHSpacing,TInt& aVSpacing) const;
       
   183 public: // from CCoeControl
       
   184 	/** MinimumSize() gets minimumsize
       
   185 	 */
       
   186 	IMPORT_C TSize MinimumSize();
       
   187     /** CountComponentControls returns component controls count
       
   188      */
       
   189     IMPORT_C TInt CountComponentControls() const;
       
   190     /** GetColorUseListL() sets the color use list of the control group
       
   191      */
       
   192 	IMPORT_C virtual void GetColorUseListL(CArrayFix<TCoeColorUse>& aColorUseList) const; // not available before Release 005u
       
   193     /** HandleResourceChange() handles resource change event
       
   194      */
       
   195 	IMPORT_C virtual void HandleResourceChange(TInt aType);			// not available before Release 005u
       
   196     /** HandlePointerEventL() handles touch pointer events
       
   197      */
       
   198     IMPORT_C void HandlePointerEventL(const TPointerEvent& aPointerEvent);
       
   199 protected:
       
   200 	enum
       
   201 		{
       
   202 		EDistributeEvenly	=0x40,
       
   203 		EAllSameSize		=0x80,
       
   204 		EDisableMSKDrawing  =0x100
       
   205 		};
       
   206 protected: // from CCoeControl
       
   207     IMPORT_C CCoeControl* ComponentControl(TInt aIndex) const;
       
   208 	IMPORT_C void WriteInternalStateL(RWriteStream& aWriteStream) const;
       
   209 	// only used from CEikCba
       
   210 	void SetMSKVisibility(TBool aEnable);
       
   211 private: // from CCoeControl
       
   212 	IMPORT_C void Reserved_2();
       
   213 private:
       
   214     /**
       
   215     * From CAknControl
       
   216     */
       
   217     IMPORT_C void* ExtensionInterface( TUid aInterface );
       
   218 private: // new functions
       
   219 	IMPORT_C TInt Adjacent(TInt aRow,TInt aColumn,TInt aCtrlIndex,TInt aTotalRows,TInt aTotalColumns) const;
       
   220 	IMPORT_C TStartCorner StartCorner() const;
       
   221 	IMPORT_C void DeleteAllComponents();
       
   222 	IMPORT_C TSize ControlMinimumSize(TInt aIndex) const;
       
   223 	IMPORT_C TInt ControlMinimumLength(TInt aIndex);
       
   224 	IMPORT_C TSize LargestControlSize() const;
       
   225 	IMPORT_C TBool DistributeEvenly() const;
       
   226 	IMPORT_C TBool AllSameSize();
       
   227 private: // from CCoeControl
       
   228     IMPORT_C void SizeChanged();
       
   229 	IMPORT_C void Draw(const TRect& aRect) const;
       
   230 protected:
       
   231 	CArrayFix<TEikGroupControl>* iControlArray;
       
   232 private:
       
   233 	TInt iLayout;
       
   234 	TInt iLines;
       
   235 	TInt iHSpacing;
       
   236 	TInt iVSpacing;
       
   237 	TInt iBreadth;
       
   238 	TInt iLength;
       
   239 	TSize iLargestControl;
       
   240 	};
       
   241 
       
   242 
       
   243 inline TEikGroupControl::TEikGroupControl()
       
   244 	{ iControl=NULL; iId=iFlags=iLength=0; }
       
   245 inline TEikGroupControl::TEikGroupControl(CCoeControl* aControl,TInt aId,TInt aLength,TInt aFlags)
       
   246 	: iControl(aControl),iId(aId),iLength(aLength),iFlags(aFlags)
       
   247 	{}
       
   248 inline TBool TEikGroupControl::IsLengthSet() const
       
   249 	{ return iFlags&ESetLength; }
       
   250 inline TInt TEikGroupControl::Length() const
       
   251 	{ return iLength; }
       
   252 inline TBool TEikGroupControl::IsStretchable() const
       
   253 	{ return iFlags&EAllowStretch; }
       
   254 inline void TEikGroupControl::SetLength(TInt aLength)
       
   255 	{ iLength=aLength; iFlags|=ESetLength; }
       
   256 inline void TEikGroupControl::SetStretchable()
       
   257 	{ iFlags|=EAllowStretch; }
       
   258 
       
   259 #endif