66
|
1 |
/*
|
|
2 |
* Copyright (c) 2003-2006 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: Used to draw the item labels and some string items. Provides
|
|
15 |
* word wrapping and other functionality.
|
|
16 |
*
|
|
17 |
*/
|
|
18 |
|
|
19 |
|
|
20 |
#ifndef CMIDITEMLABEL_H
|
|
21 |
#define CMIDITEMLABEL_H
|
|
22 |
|
|
23 |
// needed for TRgb and TMargins classes
|
|
24 |
#include <gdi.h>
|
|
25 |
// CCoeControl inheritance in class declaration
|
|
26 |
#include <coecntrl.h>
|
|
27 |
// using CAknPictographInterface for iPictographInterface
|
|
28 |
#include <AknPictographInterface.h>
|
|
29 |
// MAknPictographAnimatorCallBack interface in class declaration
|
|
30 |
#include <AknPictographDrawerInterface.h>
|
|
31 |
|
|
32 |
// using CMIDFont::TDefaultId for iDefaultFontId
|
|
33 |
#include "CMIDFont.h"
|
|
34 |
|
|
35 |
class CEikLabel;
|
|
36 |
|
|
37 |
/** This class implements the text in form item labels and the
|
|
38 |
content in string items. Its name is therefore not the best one
|
|
39 |
as it is more than a label in form items.
|
|
40 |
|
|
41 |
It uses and array of CEikLabel to wrap the given text in more than
|
|
42 |
one line. The text wrapping is performed via the AVKON Text utilities.
|
|
43 |
*/
|
|
44 |
NONSHARABLE_CLASS(CMIDItemLabel) : public CCoeControl, public MAknPictographAnimatorCallBack
|
|
45 |
{
|
|
46 |
public:
|
|
47 |
|
|
48 |
static CMIDItemLabel* NewL(TInt aMaxWidth, TBool aLabelBeforeContent,
|
|
49 |
TInt aMaxNumberOfLines = -1,
|
|
50 |
const CMIDFont::TDefaultId& aDefaultFontId = CMIDFont::EDefaultLabelId,
|
|
51 |
TBool aIsContent = EFalse);
|
|
52 |
|
|
53 |
~CMIDItemLabel();
|
|
54 |
|
|
55 |
//
|
|
56 |
// From CCoeControl
|
|
57 |
//
|
|
58 |
TSize MinimumSize();
|
|
59 |
TInt CountComponentControls() const;
|
|
60 |
CCoeControl* ComponentControl(TInt aIndex) const;
|
|
61 |
|
|
62 |
void SetTextL(const TDesC& aText);
|
|
63 |
inline const TDesC* Text() const;
|
|
64 |
|
|
65 |
TSize PreferredSize() const;
|
|
66 |
TInt PreferredWidth() const;
|
|
67 |
void SetWidthL(TInt aLineWidth);
|
|
68 |
|
|
69 |
void SetVariableWidthL(TInt aFirstWidth, TInt aSecondWidth);
|
|
70 |
TInt FirstWordWidth() const;
|
|
71 |
|
|
72 |
void SetCentered(TBool aValue);
|
|
73 |
void SetUnderlined(TBool aUnderlined);
|
|
74 |
void SetColorL(TRgb aColor);
|
|
75 |
void SetEmphasisL(TBool aEmphasis);
|
|
76 |
TRgb GetDefaultColor();
|
|
77 |
void SetFont(const MMIDFont* aFont);
|
|
78 |
const CFont* Font() const;
|
|
79 |
inline TInt NumLines();
|
|
80 |
TInt LineHeight() const;
|
|
81 |
CEikLabel* LabelAtIdx(TInt aIdx);
|
|
82 |
void SetMaxWidth(TInt aMaxWidth); // this just sets the new max width (usually form width), no reformatting is actually done
|
|
83 |
|
|
84 |
inline TBool IsContent();
|
|
85 |
// Pictograph
|
|
86 |
void DrawPictographArea();
|
|
87 |
|
|
88 |
inline void SetMaxNumLines(TInt aMaxNumLines);
|
|
89 |
inline TInt MaxNumLines() const;
|
|
90 |
|
|
91 |
void ResolutionChange();
|
|
92 |
TInt ItemLabelMargin();
|
|
93 |
void AdjustToSizeL(const TSize& aSize);
|
|
94 |
|
|
95 |
private:
|
|
96 |
CMIDItemLabel(TInt aMaxWidth, TBool aLabelBeforeContent, TInt aMaxNumberOfLines,
|
|
97 |
const CMIDFont::TDefaultId& aDefaultFontId, TBool aIsContent = EFalse);
|
|
98 |
|
|
99 |
void UpdateMargins();
|
|
100 |
void ConstructL();
|
|
101 |
|
|
102 |
private:
|
|
103 |
//
|
|
104 |
// From CCoeControl
|
|
105 |
//
|
|
106 |
void SizeChanged();
|
|
107 |
|
|
108 |
private:
|
|
109 |
void WrapTextAndSetSizeL();
|
|
110 |
void ResetLabelArray();
|
|
111 |
|
|
112 |
TBool IsLineSeparator(const TText aChar) const;
|
|
113 |
TInt LongestLineWidth() const;
|
|
114 |
TSize PropperEikLabelMinumumSize(CEikLabel& aLabel) const;
|
|
115 |
|
|
116 |
/** The font used by current layout*/
|
|
117 |
void PrepareFont();
|
|
118 |
private:
|
|
119 |
TBool iCentered;
|
|
120 |
|
|
121 |
HBufC* iText; /** The text given by the application */
|
|
122 |
HBufC* iWrappedText; /** The text given plus newlines for wrapping and eventual ellipsis*/
|
|
123 |
|
|
124 |
CArrayFixFlat<TPtrC>* iWrappedArray;
|
|
125 |
CArrayFixFlat<CEikLabel*>* iLabelArray;
|
|
126 |
|
|
127 |
/** A font assigned java side. If this is null we use the default font id */
|
|
128 |
const MMIDFont* iFont;
|
|
129 |
|
|
130 |
/** The default font id, to be used if no font has been given */
|
|
131 |
CMIDFont::TDefaultId iDefaultFontId;
|
|
132 |
TInt iFontSize;
|
|
133 |
|
|
134 |
TRgb iColor;
|
|
135 |
TRgb iDefaultColor;
|
|
136 |
TBool iUnderlined;
|
|
137 |
TInt iMaxWidth;
|
|
138 |
|
|
139 |
|
|
140 |
//
|
|
141 |
CAknPictographInterface* iPictographInterface;
|
|
142 |
|
|
143 |
/** We can have at most this number of lines, -1 means unlimited */
|
|
144 |
TInt iMaxNumberOfLines;
|
|
145 |
|
|
146 |
/** The array containing the width of each line. If it contains less that
|
|
147 |
iMaxNumberOfLines elements, then the last width is used for the remaining
|
|
148 |
lines. So if this array has only one element, it means all lines have the
|
|
149 |
same width. */
|
|
150 |
CArrayFixFlat<TInt>* iLineWidthArray;
|
|
151 |
|
|
152 |
TBool iLabelBeforeContent; // EFalse with ImageItem, otherwise ETrue
|
|
153 |
TBool iIsContent; // ETrue if this represents the StringItem content, EFalse otherwise
|
|
154 |
TMargins iLabelMargins;
|
|
155 |
|
|
156 |
};
|
|
157 |
|
|
158 |
inline const TDesC* CMIDItemLabel::Text() const
|
|
159 |
{
|
|
160 |
return(iText);
|
|
161 |
}
|
|
162 |
|
|
163 |
inline TInt CMIDItemLabel::NumLines()
|
|
164 |
{
|
|
165 |
if (iLabelArray)
|
|
166 |
{
|
|
167 |
return iLabelArray->Count();
|
|
168 |
}
|
|
169 |
return 0;
|
|
170 |
}
|
|
171 |
|
|
172 |
inline void CMIDItemLabel::SetMaxNumLines(TInt aMaxNumLines)
|
|
173 |
{
|
|
174 |
iMaxNumberOfLines = aMaxNumLines;
|
|
175 |
}
|
|
176 |
|
|
177 |
inline TInt CMIDItemLabel::MaxNumLines() const
|
|
178 |
{
|
|
179 |
return iMaxNumberOfLines;
|
|
180 |
}
|
|
181 |
|
|
182 |
inline TBool CMIDItemLabel::IsContent()
|
|
183 |
{
|
|
184 |
return iIsContent;
|
|
185 |
}
|
|
186 |
#endif // CMIDITEMLABEL_H
|