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1 /* |
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2 * Copyright (c) 2006-2008 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: Button for touch pane. |
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15 * |
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16 */ |
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17 |
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18 #include <AknBidiTextUtils.h> |
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19 #include <aknsdrawutils.h> |
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20 #include <aknlayoutscalable_avkon.cdl.h> |
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21 #include <gulicon.h> |
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22 #include <barsread.h> |
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23 #include <AknsFrameBackgroundControlContext.h> |
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24 #include <aknsconstants.h> |
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25 |
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26 #include "bmtouchpanebutton.h" |
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27 #include "BMTouchPaneInterface.h" |
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28 #include "bmpanic.h" |
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29 |
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30 |
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31 const TInt KBubbleButtonText = 255; |
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32 |
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33 // ======== MEMBER FUNCTIONS ======== |
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34 |
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35 // --------------------------------------------------------------------------- |
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36 // C++ default constructor |
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37 // --------------------------------------------------------------------------- |
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38 // |
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39 CBubbleTouchPaneButton::CBubbleTouchPaneButton( |
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40 MBubbleTouchPaneIconProvider* aIconProvider, |
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41 const TInt aFlags ) : |
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42 CAknButton( aFlags ), |
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43 iIconProvider( aIconProvider ) |
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44 { |
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45 } |
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46 |
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47 // ----------------------------------------------------------------------------- |
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48 // Two-phased constructor. |
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49 // ----------------------------------------------------------------------------- |
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50 // |
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51 CBubbleTouchPaneButton* CBubbleTouchPaneButton::NewL( |
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52 MBubbleTouchPaneIconProvider* aIconProvider, |
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53 const TInt aFlags ) |
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54 { |
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55 CBubbleTouchPaneButton* self = |
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56 new(ELeave) CBubbleTouchPaneButton( aIconProvider, aFlags ); |
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57 CleanupStack::PushL( self ); |
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58 self->ConstructL(); |
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59 |
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60 CleanupStack::Pop( self ); |
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61 return self; |
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62 } |
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63 |
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64 // ----------------------------------------------------------------------------- |
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65 // Symbian 2nd phase constructor |
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66 // ----------------------------------------------------------------------------- |
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67 // |
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68 void CBubbleTouchPaneButton::ConstructL() |
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69 { |
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70 CAknButton::ConstructL(); |
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71 } |
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72 |
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73 // --------------------------------------------------------------------------- |
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74 // Destructor |
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75 // --------------------------------------------------------------------------- |
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76 // |
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77 CBubbleTouchPaneButton::~CBubbleTouchPaneButton() |
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78 { |
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79 iCommands.Close(); |
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80 } |
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81 |
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82 // --------------------------------------------------------------------------- |
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83 // CBubbleTouchPaneButton::ConstructFromResouceL |
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84 // --------------------------------------------------------------------------- |
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85 // |
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86 void CBubbleTouchPaneButton::ConstructFromResouceL( TResourceReader& aReader ) |
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87 { |
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88 |
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89 TInt commandCount = aReader.ReadInt16(); |
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90 for ( TInt i=0; i < commandCount; i++ ) |
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91 { |
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92 TInt command = aReader.ReadInt16(); |
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93 iCommands.AppendL( command ); |
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94 } |
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95 |
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96 aReader.ReadInt16(); // this is mystery? |
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97 |
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98 CAknButton::ConstructFromResourceL( aReader ); |
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99 |
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100 // function button text color |
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101 SetTextColorIds( KAknsIIDQsnTextColors, |
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102 EAknsCIQsnTextColorsCG65 ); |
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103 |
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104 // Customize icons |
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105 if ( iIconProvider ) |
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106 { |
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107 LoadCustomIcons( *iIconProvider ); |
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108 } |
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109 |
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110 if ( State()->Icon() ) |
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111 { |
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112 SetIconScaleMode( EAspectRatioPreserved ); |
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113 } |
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114 } |
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115 |
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116 // --------------------------------------------------------------------------- |
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117 // CBubbleTouchPaneButton::LoadCustomIconsL |
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118 // --------------------------------------------------------------------------- |
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119 // |
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120 void CBubbleTouchPaneButton::LoadCustomIcons( |
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121 MBubbleTouchPaneIconProvider& aIconProvider ) |
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122 { |
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123 TInt commandCount = iCommands.Count(); |
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124 |
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125 for ( TInt i=0; i < commandCount; i++ ) |
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126 { |
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127 CGulIcon* icon = NULL; |
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128 |
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129 TRAPD( err, icon = aIconProvider.GetIconForCommandL( |
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130 iCommands[i] ) ); |
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131 |
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132 if ( !err && icon ) |
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133 { |
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134 CAknButtonState* state = State( i ); |
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135 // State takes ownership of icon |
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136 state->SetIcon( icon ); |
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137 } |
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138 } |
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139 } |
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140 |
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141 // --------------------------------------------------------------------------- |
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142 // CBubbleTouchPaneButton::CommandId |
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143 // --------------------------------------------------------------------------- |
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144 // |
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145 TInt CBubbleTouchPaneButton::CommandId( TBool aPreviousState ) const |
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146 { |
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147 __ASSERT_DEBUG( iCommands.Count(), Panic( EBMPanicTouchPane ) ); |
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148 |
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149 TInt command; |
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150 if ( iCommands.Count() > 1 ) |
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151 { |
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152 TInt index = StateIndex(); |
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153 if ( aPreviousState ) |
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154 { |
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155 // return command from previous state |
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156 index -= 1; |
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157 if ( index < 0 ) |
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158 { |
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159 index = iCommands.Count() - 1; |
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160 } |
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161 } |
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162 |
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163 command = iCommands[index]; |
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164 } |
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165 else |
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166 { |
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167 command = iCommands[0]; |
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168 } |
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169 |
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170 return command; |
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171 } |
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172 |
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173 // --------------------------------------------------------------------------- |
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174 // CBubbleTouchPaneButton::SetState |
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175 // --------------------------------------------------------------------------- |
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176 // |
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177 void CBubbleTouchPaneButton::SetState( TInt aCommand, |
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178 TBool aDrawNow ) |
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179 { |
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180 for ( TInt i=0; i < iCommands.Count(); i++ ) |
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181 { |
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182 if ( iCommands[i] == aCommand ) |
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183 { |
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184 if ( i != StateIndex() ) |
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185 { |
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186 SetCurrentState( i, aDrawNow ); |
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187 } |
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188 } |
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189 } |
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190 } |
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191 |
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192 // --------------------------------------------------------------------------- |
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193 // CBubbleTouchPaneButton::SetDimmed |
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194 // --------------------------------------------------------------------------- |
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195 // |
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196 void CBubbleTouchPaneButton::SetDimmed( TBool aDimmed ) |
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197 { |
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198 CAknButton::SetDimmed( aDimmed ); |
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199 DrawDeferred(); |
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200 } |
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201 |
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202 // --------------------------------------------------------------------------- |
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203 // CBubbleTouchPaneButton::HasState |
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204 // --------------------------------------------------------------------------- |
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205 // |
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206 TBool CBubbleTouchPaneButton::HasState( TInt aCommand ) const |
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207 { |
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208 TBool hasState = EFalse; |
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209 |
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210 for ( TInt i=0; i < iCommands.Count(); i++ ) |
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211 { |
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212 if ( iCommands[i] == aCommand ) |
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213 { |
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214 hasState = ETrue; |
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215 break; |
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216 } |
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217 } |
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218 |
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219 return hasState; |
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220 } |
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221 |
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222 |
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223 // --------------------------------------------------------------------------- |
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224 // Draw button, text and icon. |
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225 // --------------------------------------------------------------------------- |
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226 // |
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227 void CBubbleTouchPaneButton::Draw( const TRect& aRect ) const |
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228 { |
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229 TAknsItemID frameId( KAknsIIDQsnFrButtonNormal ); |
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230 TAknLayoutRect centerLayout; |
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231 centerLayout.LayoutRect( aRect, |
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232 AknLayoutScalable_Avkon::toolbar_button_pane_g1().LayoutLine() ); |
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233 TRect innerRect = centerLayout.Rect(); |
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234 |
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235 CWindowGc& gc = SystemGc(); |
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236 MAknsSkinInstance* skin = AknsUtils::SkinInstance(); |
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237 |
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238 TInt commandCount = iCommands.Count(); |
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239 |
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240 for ( TInt i=0; i < commandCount; i++ ) |
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241 { |
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242 frameId = iIconProvider->GetButtonForCommandL( |
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243 iCommands[i]); |
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244 |
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245 if ( iButtonPressed ) |
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246 { |
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247 frameId = SelectPressedButton( frameId ); |
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248 } |
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249 else if ( IsDimmed() ) |
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250 { |
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251 frameId = SelectDimmedButton( frameId ); |
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252 } |
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253 |
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254 iBgContext->SetFrame( frameId ); |
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255 iBgContext->SetCenter( KAknsIIDQsnFrButtonCenterNormal ); |
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256 iBgContext->SetFrameRects( aRect, innerRect ); |
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257 |
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258 if ( !AknsDrawUtils::Background( skin, |
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259 iBgContext, |
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260 NULL, |
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261 gc, |
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262 aRect, |
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263 KAknsDrawParamNoClearUnderImage ) ) |
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264 { |
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265 gc.SetBrushColor( KRgbRed ); |
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266 gc.SetBrushStyle( CGraphicsContext::ESolidBrush ); |
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267 gc.DrawRect( aRect ); |
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268 } |
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269 LayoutIconAndText( gc ); |
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270 } |
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271 } |
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272 |
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273 // -------------------------------------------------------------------------- |
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274 // Draw text and icon according to the layout. |
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275 // -------------------------------------------------------------------------- |
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276 |
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277 void CBubbleTouchPaneButton::LayoutIconAndText( CWindowGc& aGc ) const |
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278 { |
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279 TRect parentRect( Rect() ); |
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280 CAknButtonState* state = State(); |
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281 if ( !state || |
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282 !state->Icon() || |
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283 !state->Text().Length() ) |
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284 { |
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285 return; |
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286 } |
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287 |
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288 TRgb penColor; |
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289 TRgb brushColor; |
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290 GetTextColors( penColor ); |
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291 |
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292 // buffer for visually ordered text |
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293 TBuf< KBubbleButtonText + KAknBidiExtraSpacePerLine> visualText; |
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294 TInt clipWidth = iLayoutText.TextRect().Width(); |
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295 |
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296 // bidi processing - using AknBidiTextUtils. |
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297 AknBidiTextUtils::ConvertToVisualAndClip( |
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298 state->Text(), |
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299 visualText, |
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300 *iLayoutText.Font(), |
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301 clipWidth, |
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302 clipWidth ); |
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303 |
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304 iLayoutText.DrawText( aGc, visualText, EFalse, penColor ); |
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305 |
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306 const CGulIcon* icon = GetCurrentIcon(); |
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307 if ( icon ) |
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308 { |
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309 CFbsBitmap* buttonBmp = icon->Bitmap(); |
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310 CFbsBitmap* buttonMask = icon->Mask(); |
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311 |
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312 if( buttonBmp && buttonMask ) |
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313 { |
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314 aGc.BitBltMasked( iIconRect.iTl, buttonBmp, |
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315 iIconRect.Size(), buttonMask, ETrue ); |
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316 } |
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317 } |
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318 } |
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319 |
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320 // --------------------------------------------------------------------------- |
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321 // CBubbleTouchPaneButton::SetLayout |
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322 // --------------------------------------------------------------------------- |
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323 // |
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324 void CBubbleTouchPaneButton::SetLayout( const TAknLayoutText aLayoutText, |
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325 const TRect aIconRect ) |
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326 { |
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327 iLayoutText = aLayoutText; |
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328 iIconRect = aIconRect; |
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329 } |
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330 |
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331 // --------------------------------------------------------------------------- |
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332 // CBubbleTouchPaneButton::HandleResourceChange |
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333 // --------------------------------------------------------------------------- |
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334 // |
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335 void CBubbleTouchPaneButton::HandleResourceChange( TInt aType ) |
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336 { |
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337 CAknButton::HandleResourceChange( aType ); |
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338 |
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339 if ( aType == KAknsMessageSkinChange && |
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340 iIconProvider ) |
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341 { |
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342 LoadCustomIcons( *iIconProvider ); |
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343 } |
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344 } |
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345 |
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346 // ----------------------------------------------------------------------------- |
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347 // Gets the correct text color. |
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348 // ----------------------------------------------------------------------------- |
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349 // |
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350 void CBubbleTouchPaneButton::GetTextColors( TRgb& aPenColor ) const |
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351 { |
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352 if ( IsDimmed() ) |
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353 { |
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354 aPenColor = iEikonEnv->ControlColor( EColorButtonTextDimmed, *this ); |
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355 } |
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356 else if ( iButtonPressed ) |
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357 { |
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358 aPenColor = iEikonEnv->ControlColor( EColorButtonTextPressed, *this ); |
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359 } |
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360 else |
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361 { |
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362 aPenColor = iEikonEnv->ControlColor( EColorButtonText, *this ); |
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363 } |
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364 } |
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365 |
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366 // ----------------------------------------------------------------------------- |
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367 // Selects the correct pressed button. |
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368 // ----------------------------------------------------------------------------- |
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369 // |
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370 TAknsItemID CBubbleTouchPaneButton::SelectPressedButton( TAknsItemID frameId ) const |
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371 { |
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372 if( frameId == KAknsIIDQsnFrButtonNormalAnswer ) |
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373 { |
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374 return KAknsIIDQsnFrButtonPressedAnswer; |
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375 } |
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376 else if( frameId == KAknsIIDQsnFrButtonNormalReject ) |
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377 { |
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378 return KAknsIIDQsnFrButtonPressedReject; |
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379 } |
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380 else if( frameId == KAknsIIDQsnFrButtonNormalHold ) |
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381 { |
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382 return KAknsIIDQsnFrButtonPressedHold; |
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383 } |
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384 else |
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385 { |
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386 return KAknsIIDQsnFrButtonPressed; |
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387 } |
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388 } |
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389 |
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390 // ----------------------------------------------------------------------------- |
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391 // Selects the correct dimmed button. |
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392 // ----------------------------------------------------------------------------- |
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393 // |
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394 TAknsItemID CBubbleTouchPaneButton::SelectDimmedButton( TAknsItemID frameId ) const |
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395 { |
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396 if( frameId == KAknsIIDQsnFrButtonNormalAnswer ) |
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397 { |
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398 return KAknsIIDQsnFrButtonInactiveAnswer; |
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399 } |
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400 else if( frameId == KAknsIIDQsnFrButtonNormalReject ) |
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401 { |
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402 return KAknsIIDQsnFrButtonInactiveReject; |
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403 } |
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404 else if( frameId == KAknsIIDQsnFrButtonNormalHold ) |
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405 { |
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406 return KAknsIIDQsnFrButtonInactiveHold; |
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407 } |
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408 else |
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409 { |
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410 return KAknsIIDQsnFrButtonInactive; |
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411 } |
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412 } |