epoc32/include/mw/akninfrm.h
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:27:01 +0100
branchSymbian2
changeset 3 e1b950c65cb4
parent 1 666f914201fb
child 4 837f303aceeb
permissions -rw-r--r--
Attempt to represent the S^2->S^3 header reorganisation as a series of "hg rename" operations
     1 /*
     2 * Copyright (c) 2002 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 the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
     6 * which accompanies this distribution, and is available
     7 * at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
     8 *
     9 * Initial Contributors:
    10 * Nokia Corporation - initial contribution.
    11 *
    12 * Contributors:
    13 *
    14 * Description: 
    15 *
    16 */
    17 
    18 
    19 // INCLUDES
    20 #ifndef __AKNINFRM_H__
    21 #define __AKNINFRM_H__
    22 
    23 
    24 #include <eikdef.h>
    25 #include <eikbctrl.h>
    26 #include <gulicon.h>
    27 #include <eiklabel.h>
    28 #include <aknutils.h>
    29 #include <avkon.rsg>
    30 
    31 class CAknsFrameBackgroundControlContext;
    32 class CAknsBasicBackgroundControlContext;
    33 // CLASS DECLARATION
    34 /**
    35 * Implements an input frame which can contain any @c CCoeControl.
    36 * The input frame can have additional icon and/or info text.
    37 * @since Series60 0.9
    38 */
    39 NONSHARABLE_CLASS(CAknInputFrame) : public CEikBorderedControl, public MCoeControlObserver
    40     {
    41 public:
    42     
    43     /**
    44     * Default C++ constructor.
    45     */
    46     CAknInputFrame();
    47     
    48     /**
    49     * Destructor. Frees all resources owned by the object prior to its
    50     * destruction.
    51     */
    52     IMPORT_C ~CAknInputFrame();
    53         
    54     /**
    55     * Two-phased constructor.
    56     * @param aField Control which will be located inside the input frame
    57     * @param aComponentOwner Defines whether the ownership of the control will
    58     * be transferred or not.
    59     * @param aBitmapfile Bitmap file name and path.
    60     * @param aBitmapId Bitmap Id.
    61     * @param aMaskId Bitmap Mask Id.
    62     * @param aFlags Flags.
    63     * @return a Pointer to the new @c CAknInputFrame object.
    64     */
    65     IMPORT_C static CAknInputFrame* NewL(CCoeControl* aField,TBool aComponentOwner,
    66                                          const TDesC& aBitmapfile, TInt aBitmapId, TInt aMaskId,
    67                                          TUint32 aFlags = 0 );
    68     /**
    69     * Two-phased constructor.
    70     * @param aField Control which will be located inside the input frame
    71     * @param aComponentOwner Defines whether the ownership of the control is
    72     * transferred or not.
    73     * @param aIcon Bitmap file name and path.
    74     * @param aFlags Flags.
    75     * @return a Pointer to the new @c CAknInputFrame object.
    76     */
    77     IMPORT_C static CAknInputFrame* NewL(CCoeControl* aField,TBool aComponentOwner,
    78                                          CGulIcon* aIcon, TUint32 aFlags = 0 );
    79     /**
    80     * Returns apointer to field.
    81     * @return a Pointer to the control, which is located inside the input frame. 
    82     */
    83     IMPORT_C CCoeControl* Field() const;
    84         
    85     /**
    86     * Sets additional info text to input frame.
    87     * @param aText Info text to be added in the input frame.
    88     * @deprecated
    89     */
    90     IMPORT_C void SetInfoTextL(const TDesC& aText);
    91         
    92     /**
    93     * Sets the lines visible or invisible.
    94     * @param aText @c ETrue to make the line visible, @c EFalse to make it
    95     * invisible.
    96     */
    97     IMPORT_C void SetLineState(TBool aLineVisible);
    98         
    99     /**
   100     * Sets new icon to input frame.
   101     * @param aIcon a Pointer to the new icon. Ownership is transffered which 
   102     * means that object is deleted in @c CAknInputFrame::~CAknInputFrame().
   103     */
   104     void SetIcon(CGulIcon* aIcon);
   105 
   106     /**
   107      * Get flags of current input frame.
   108      * @return flags.
   109      * @since Series 60 5.0
   110      */
   111     TUint Flags() const;
   112 
   113     /**
   114      * Set new flags to current input frame.
   115      * @param aNewFlags is new flag.
   116      * @since Series 60 5.0
   117      */
   118     void SetFlags( TUint aNewFlags );
   119 
   120 public: //from MCoeControlObserver
   121 
   122     /**
   123     * Handles focus changes. This is called by the UI Control Framework to 
   124     * notify that an event occured in observed input frame.
   125     * @param aControl The control where event has happened.
   126     * @param aEventType a Type of the event.
   127     */
   128     IMPORT_C void HandleControlEventL(CCoeControl* aControl,TCoeEvent aEventType);
   129 
   130 public: //from CCoeControl
   131 
   132     /**
   133     * Handles key events.
   134     * @param aKeyEvent The key event.
   135     * @param aType The type of the event: @c EEventKey, @c EEventKeyUp or 
   136     * @c EEventKeyDown.
   137     * @return Indicates whether or not the key event was used by this control. 
   138     */
   139     IMPORT_C TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType);
   140         
   141     /**
   142     * Tells the minimum size of the control.
   143     * @return The minimum size of the control.
   144     */
   145     IMPORT_C TSize MinimumSize();
   146         
   147     /**
   148     * The second phase constructor: constructs input frame from resources.
   149     * @param The resource reader.
   150     */
   151     IMPORT_C void ConstructFromResourceL(TResourceReader& aReader); 
   152         
   153     /**
   154     * Sets the implementation of this control context in this input frame.
   155     * It is a layout background of the frame item. 
   156     * @since Series 60 2.1
   157     * @param Pointer to the context.
   158     */
   159     IMPORT_C void SetInputContext(CAknsFrameBackgroundControlContext* aContext);
   160 
   161   	/**
   162    	* From CCoeControl. Handles a change to the control's resources.
   163    	* @param aType A message UID value.
   164    	*/
   165    	void HandleResourceChange( TInt aType );
   166 
   167 private: // From CCoeControl
   168     void SizeChanged();
   169     void FocusChanged(TDrawNow aDrawNow); 
   170     void Draw(const TRect& aRect) const;
   171     void PrepareForFocusLossL();
   172 
   173 private:
   174     void BaseConstructL(CCoeControl* aField, TBool aOwner, TUint32 aFlags);
   175     void ConstructL(CCoeControl* aField, TBool aOwner, const TDesC& aFileName, TInt aBitmapId, TInt aMaskId, TUint32 aFlags);
   176     void ConstructL(CCoeControl* aField, TBool aOwner, CGulIcon* aIcon, TUint32 aFlags);
   177     void CreateIconL();
   178 
   179 public:
   180     /** Enumeration flags for different layouts.        */
   181     enum TInputFrameFlags
   182         {
   183         /** a Standard layout. */
   184         EOwnsField=0x40,
   185         /** a Popup layoyt. */
   186         EPopupLayout=0x80,
   187         /** a Pinboard layout. */
   188         EPinbLayout=0x100,
   189         /** a ClockAppLayout. */
   190         EClockAppLayout=0x200,
   191         /** a Layout without lines. */
   192         EFixedFindWithoutLine   = 0x400,
   193         /** a Layout that shows indicator.*/
   194         EShowIndicators         = 0x800,
   195         /** A layout used by list query. */
   196         EPopupWindowLayout=0x1000
   197         };
   198     
   199 private:
   200     enum TInfrmPrivateFlags
   201         {
   202         EOwnsInputContext = 0x2000
   203         };
   204 
   205     CGulIcon*               iIcon;
   206     TUint32                 iFlags;
   207     TAknLayoutRect          iMagnIconPos;  // position of the looking glass icon
   208     // sizeof(Taknlayoutrect)=20 sizeof(TRect)=16 sizeof(CCoeControl*)=4 sizeof TAknsItemID=8 
   209     TRect                   iOutlineRect; // was first 16 bytes of TAknLayoutRect  iOutlineRect;
   210 
   211     CCoeControl             *iField;                           // bytes 0..3   of TAknLayoutRect iUnused7;
   212     CAknsFrameBackgroundControlContext *iPopupFindCC;          // bytes 4..7   of TAknLayoutRect iUnused7;
   213     CAknsFrameBackgroundControlContext *iInputContext;         // bytes 8..11  of TAknLayoutRect iUnused7;
   214     TAknsItemID             iIconSkinID;                       // bytes 12..19 of TAknLayoutRect iUnused7;
   215     CAknsBasicBackgroundControlContext *iPopupListCC;          // was TAny*   iExtension; // not used
   216 
   217 
   218     // these are unused
   219     TAknLayoutRect          iUnUsed1;
   220     TAknLayoutRect          iUnUsed2;
   221     TAknLayoutRect          iUnused3;
   222     TAknLayoutRect          iUnused4;
   223     TAknLayoutRect          iUnused5;
   224     TAknLayoutRect          iUnused6;
   225 
   226     TAny*                   iSpare;     // WAS CEikLabel* iInfoText;
   227     TAny*                   iSpare2;    // was last 4 bytes of TAknLayoutRect  iOutlineRect;
   228     
   229     HBufC*		            iFileName; 
   230     TInt                    iBitmapId;
   231     TInt                    iMaskId;
   232 
   233     };
   234 
   235 
   236 #endif
   237 
   238 
   239