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1 /* |
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2 * Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: LandmarksUi Content File - Floating point field for CEikMFne |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 |
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21 |
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22 |
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23 #ifndef CLmkMfneFloat_H |
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24 #define CLmkMfneFloat_H |
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25 |
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26 // INCLUDES |
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27 #include <eikmfne.h> |
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28 |
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29 // CLASS DECLARATION |
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30 |
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31 /** |
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32 * CLmkMfneFloat class |
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33 * Contain two number editor and one separator. |
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34 */ |
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35 class CLmkMfneFloat : public CEikMfneField |
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36 { |
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37 public: |
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38 virtual ~CLmkMfneFloat(); |
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39 static CLmkMfneFloat* NewL( |
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40 TInt aMaxDigits, |
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41 TInt aMaxDecimalDigits); |
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42 |
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43 TBool SetLimits( |
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44 TReal aMinimumValue, |
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45 TReal aMaximumValue); |
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46 |
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47 void GetLimits( |
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48 TReal& aMinimumValue, |
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49 TReal& aMaximumValue) const; |
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50 |
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51 void SetValue(TReal aValue); |
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52 TReal Value() const; |
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53 |
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54 void HandleHighlight(); |
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55 |
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56 private: |
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57 CLmkMfneFloat( |
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58 TInt aMaxDigits, |
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59 TInt aMaxDecimalDigits); |
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60 |
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61 void ConstructL(); |
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62 |
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63 // From CEikMfneField |
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64 public: |
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65 virtual TInt MaximumWidthInPixels( |
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66 const CFont& aFont, |
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67 TBool aShrinkToMinimumSize); |
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68 |
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69 virtual TCoeInputCapabilities InputCapabilities() const; |
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70 |
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71 virtual TBool IsEditable() const; |
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72 |
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73 // these functions may only be called if |
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74 // IsEditable returns ETrue - all TBool&/TInt& parameters |
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75 // in these functions must be first set to EFalse/0 by the caller |
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76 virtual THighlightType HighlightType() const; |
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77 |
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78 virtual void HandleKey( |
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79 const CFont& aFont, |
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80 const TKeyEvent& aKeyEvent, |
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81 TBool aInterpretLeftAndRightAsEarEvents, |
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82 TBool& aDataAltered, |
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83 TInt& aHighlightIncrement); |
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84 |
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85 virtual void HandleDeHighlight( |
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86 const CFont& aFont, |
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87 CEikonEnv& aEikonEnv, |
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88 TBool& aDataAltered, |
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89 TBool& aError); |
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90 |
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91 private: |
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92 virtual const TDesC& Text() const; |
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93 |
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94 // New internal methods |
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95 private: |
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96 TBool EnsureValueInLimits(TReal aValue); |
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97 TInt MaxNumOfChars() const; |
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98 |
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99 TBool IsDecimalSeparatorAllowed(const TDesC& aText) const; |
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100 TBool IsMoreDigitsAllowed(const TDesC& aText) const; |
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101 |
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102 TReal ValueFromText(const TDesC& aText) const; |
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103 void TextFromValue(TReal aValue, TDes& aText) const; |
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104 |
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105 private: |
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106 TReal iMinimumValue; |
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107 TReal iMaximumValue; |
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108 TInt iMaxDigits; |
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109 TInt iMaxDecimalDigits; |
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110 |
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111 HBufC* iText; |
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112 |
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113 TBool iIsBeingEditedWithCursor; |
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114 TBool iFocus; |
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115 }; |
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116 |
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117 #endif |
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118 |
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119 // end of File |