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1 /* |
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2 * Copyright (c) 2002-2004 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 the License "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: Definition of the Browser On-screen scrollbar thumb |
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15 * |
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16 */ |
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17 |
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18 #ifndef _SCROLLTHUMB_H |
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19 #define _SCROLLTHUMB_H |
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20 |
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21 //----------------------------------------------------------------------- |
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22 // INCLUDES |
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23 //----------------------------------------------------------------------- |
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24 #include "ScrollBar.h" |
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25 |
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26 #include <coecntrl.h> |
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27 #include <e32std.h> |
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28 |
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29 //----------------------------------------------------------------------- |
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30 // CONSTANTS |
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31 //----------------------------------------------------------------------- |
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32 const TInt KShadowThickness = 1; // thickness of the shadow of the thumb |
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33 |
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34 //----------------------------------------------------------------------- |
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35 // CLASS DEFINITION |
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36 //----------------------------------------------------------------------- |
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37 // |
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38 /** |
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39 * Browser On-screen scrollbar thumb |
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40 * |
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41 * @since Series60_version 2.5 |
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42 */ |
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43 class CScrollThumb : public CCoeControl |
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44 { |
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45 //------------------------------------------------------------------ |
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46 // Constructors and Destructors - Public |
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47 //------------------------------------------------------------------ |
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48 public: |
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49 |
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50 /** |
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51 * Two-phased constructor. |
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52 */ |
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53 static CScrollThumb* NewL(CScrollBar::TOrientation aOrientation); |
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54 |
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55 /** |
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56 * Destructor. |
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57 */ |
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58 virtual ~CScrollThumb(); |
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59 |
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60 //------------------------------------------------------------------ |
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61 // Member Functions - Public |
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62 //------------------------------------------------------------------ |
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63 public: |
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64 |
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65 void Draw(const TRect& aRect) const; |
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66 |
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67 /** |
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68 * Sets the rect of the thumb and its shadow |
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69 * @since Series60_version 2.5 |
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70 * @param aRect - rectangle of the thumb |
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71 * @return none |
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72 */ |
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73 void SetThumbAndShadow(const TRect& aRect); |
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74 |
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75 //------------------------------------------------------------------ |
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76 // Constructors and Destructors - Private |
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77 //------------------------------------------------------------------ |
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78 private: |
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79 |
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80 /** |
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81 * C++ default constructor. |
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82 */ |
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83 CScrollThumb(CScrollBar::TOrientation aOrientation); |
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84 |
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85 /** |
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86 * Symbian 2nd phase constructor |
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87 */ |
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88 void ConstructL(); |
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89 |
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90 //------------------------------------------------------------------ |
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91 // Inherited Member Functions - Private |
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92 //------------------------------------------------------------------ |
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93 private: |
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94 |
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95 /** |
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96 * From CCoeControl, SizeChanged |
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97 */ |
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98 virtual void SizeChanged(); |
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99 |
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100 //------------------------------------------------------------------ |
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101 // Member Functions - Private |
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102 //------------------------------------------------------------------ |
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103 private: |
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104 |
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105 /** |
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106 * Sets the colours of a thumb |
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107 * @since Series60_version 2.5 |
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108 * @param aThumbColour - the colour of the thumb |
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109 * @param aThumbShadowColour - the colour of the thumb shadow |
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110 * @return none |
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111 */ |
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112 void SetThumbColours(TRgb aThumbColour, TRgb aThumbShadowColour); |
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113 |
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114 //------------------------------------------------------------------ |
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115 // Member Data - Private |
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116 //------------------------------------------------------------------ |
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117 private: |
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118 CScrollBar::TOrientation iOrientation; // Orientation of the thumb |
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119 |
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120 TRect iThumbShadow; // The outline of the thumb |
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121 TRect iThumbCentre; // the rect of the thumb shown inside the thumb shadow |
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122 |
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123 TRgb iThumbColour; // the colour of the thumb |
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124 TRgb iThumbShadowColour; // the colour of the thumb shadow |
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125 }; |
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126 |
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127 #endif // _SCROLLTHUMB_H |