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1 /* |
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2 * Copyright (c) 2010 Ixonos Plc. |
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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 "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 * Ixonos Plc |
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14 * |
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15 * Description: |
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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 #include "VeiSlider.h" |
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21 #include "VeiSlider.pan" |
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22 #include "VideoEditorDebugUtils.h" |
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23 |
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24 #include <VideoEditorUiComponents.mbg> |
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25 #include <fbs.h> |
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26 #include <aknutils.h> |
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27 #include <AknIconUtils.h> |
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28 #include <eikenv.h> |
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29 |
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30 // CONSTANTS |
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31 _LIT(KSliderMifFile, "\\resource\\apps\\VideoEditorUiComponents.mif"); |
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32 |
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33 const TInt KTabAspectRatioX = 10; |
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34 const TInt KTabAspectRatioY = 24; |
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35 |
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36 //============================================================================= |
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37 // |
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38 // class CVeiSlider member functions |
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39 // |
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40 //============================================================================= |
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41 |
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42 //============================================================================= |
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43 EXPORT_C CVeiSlider::~CVeiSlider() |
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44 { |
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45 delete iSliderBg; |
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46 delete iSliderBgMask; |
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47 delete iSliderTab; |
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48 delete iSliderTabMask; |
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49 } |
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50 |
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51 //============================================================================= |
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52 CVeiSlider::CVeiSlider() |
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53 { |
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54 // no implementation required |
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55 } |
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56 |
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57 //============================================================================= |
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58 TInt CVeiSlider::CountComponentControls() const |
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59 { |
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60 return 0; |
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61 } |
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62 |
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63 //============================================================================= |
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64 CCoeControl* CVeiSlider::ComponentControl(TInt /*aIndex*/) const |
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65 { |
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66 return NULL; |
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67 } |
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68 |
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69 // setters |
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70 |
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71 //============================================================================= |
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72 EXPORT_C void CVeiSlider::SetMinimum(TInt aValue) |
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73 { |
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74 iMinimumValue = aValue; |
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75 } |
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76 |
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77 //============================================================================= |
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78 EXPORT_C void CVeiSlider::SetMaximum(TInt aValue) |
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79 { |
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80 iMaximumValue = aValue; |
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81 } |
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82 |
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83 //============================================================================= |
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84 EXPORT_C void CVeiSlider::SetStep(TUint aValue) |
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85 { |
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86 iStep = aValue; |
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87 } |
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88 |
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89 //============================================================================= |
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90 EXPORT_C void CVeiSlider::SetStepAmount(TUint8 aValue) |
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91 { |
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92 iNumberOfSteps = aValue; |
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93 |
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94 if(aValue == 0) |
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95 { |
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96 iStep = 0; |
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97 } |
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98 else |
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99 { |
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100 iStep = (iMaximumValue-iMinimumValue) / aValue; |
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101 } |
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102 } |
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103 |
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104 //============================================================================= |
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105 EXPORT_C void CVeiSlider::SetPosition(TInt aValue) |
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106 { |
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107 __ASSERT_ALWAYS( aValue >= iMinimumValue, Panic(EVeiSliderPanicIndexUnderflow) ); |
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108 __ASSERT_ALWAYS( aValue <= iMaximumValue, Panic(EVeiSliderPanicIndexOverflow) ); |
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109 |
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110 iPosition = aValue; |
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111 } |
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112 |
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113 // getters |
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114 |
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115 //============================================================================= |
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116 EXPORT_C TInt CVeiSlider::Minimum() const |
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117 { |
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118 return iMinimumValue; |
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119 } |
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120 |
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121 //============================================================================= |
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122 EXPORT_C TInt CVeiSlider::Maximum() const |
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123 { |
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124 return iMaximumValue; |
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125 } |
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126 |
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127 //============================================================================= |
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128 EXPORT_C TInt CVeiSlider::Step() const |
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129 { |
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130 return iStep; |
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131 } |
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132 |
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133 //============================================================================= |
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134 EXPORT_C TInt CVeiSlider::SliderPosition() const |
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135 { |
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136 return iPosition; |
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137 } |
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138 |
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139 //============================================================================= |
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140 EXPORT_C void CVeiSlider::Increment() |
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141 { |
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142 iPosition += iStep; |
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143 if(iPosition > iMaximumValue) |
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144 { |
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145 iPosition = iMaximumValue; |
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146 } |
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147 } |
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148 |
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149 //============================================================================= |
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150 EXPORT_C void CVeiSlider::Decrement() |
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151 { |
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152 iPosition -= iStep; |
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153 if(iPosition < iMinimumValue) |
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154 { |
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155 iPosition = iMinimumValue; |
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156 } |
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157 } |
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158 |
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159 //============================================================================= |
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160 void CVeiSlider::LoadBitmapL( CFbsBitmap*& aBitmap, CFbsBitmap*& aMask, TInt aBitmapId, TInt aMaskId ) const |
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161 { |
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162 TFileName iconFile( KSliderMifFile ); |
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163 |
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164 User::LeaveIfError( CompleteWithAppPath(iconFile) ); |
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165 |
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166 // Get ids for bitmap and mask |
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167 AknIconUtils::CreateIconL( |
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168 aBitmap, |
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169 aMask, |
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170 iconFile, |
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171 aBitmapId, |
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172 aMaskId |
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173 ); |
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174 } |
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175 |
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176 |
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177 //============================================================================= |
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178 // |
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179 // class CVeiVerticalSlider member functions |
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180 // |
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181 //============================================================================= |
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182 |
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183 //============================================================================= |
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184 EXPORT_C CVeiVerticalSlider* CVeiVerticalSlider::NewL(const TRect& aRect, const CCoeControl& aControl) |
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185 { |
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186 CVeiVerticalSlider* self = CVeiVerticalSlider::NewLC(aRect, aControl); |
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187 CleanupStack::Pop(self); |
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188 return self; |
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189 } |
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190 |
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191 //============================================================================= |
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192 EXPORT_C CVeiVerticalSlider* CVeiVerticalSlider::NewLC(const TRect& aRect, const CCoeControl& aControl) |
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193 { |
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194 CVeiVerticalSlider* self = new (ELeave) CVeiVerticalSlider; |
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195 CleanupStack::PushL(self); |
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196 self->ConstructL(aRect, aControl); |
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197 return self; |
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198 } |
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199 |
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200 //============================================================================= |
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201 EXPORT_C CVeiVerticalSlider::~CVeiVerticalSlider() |
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202 { |
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203 } |
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204 |
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205 //============================================================================= |
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206 void CVeiVerticalSlider::ConstructL(const TRect& aRect, const CCoeControl& aControl) |
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207 { |
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208 LOG(KVideoEditorLogFile, "CVeiVerticalSlider::ConstructL: in"); |
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209 |
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210 SetContainerWindowL(aControl); |
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211 |
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212 // Load the bitmaps |
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213 LoadBitmapL( iSliderBg, iSliderBgMask, EMbmVideoeditoruicomponentsQgn_graf_ied_vslider, EMbmVideoeditoruicomponentsQgn_graf_ied_vslider_mask ); |
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214 LoadBitmapL( iSliderTab, iSliderTabMask, EMbmVideoeditoruicomponentsQgn_graf_ied_vtab, EMbmVideoeditoruicomponentsQgn_graf_ied_vtab_mask ); |
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215 |
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216 SetRect(aRect); |
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217 ActivateL(); |
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218 |
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219 LOG(KVideoEditorLogFile, "CVeiVerticalSlider::ConstructL: out"); |
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220 } |
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221 |
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222 //============================================================================= |
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223 CVeiVerticalSlider::CVeiVerticalSlider() |
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224 { |
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225 // no implementation required |
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226 } |
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227 |
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228 //============================================================================= |
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229 void CVeiVerticalSlider::Draw(const TRect& aRect) const |
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230 { |
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231 if ( Minimum() <= Maximum() ) |
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232 { |
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233 TUint height = Maximum() - Minimum(); // height of the slider |
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234 TUint pixelsFromMin = SliderPosition() - Minimum(); // tab position from the beginning |
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235 |
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236 TReal factor = 0.0; |
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237 if (Minimum() < Maximum() ) |
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238 { |
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239 factor = (TReal) pixelsFromMin / height; // tab position from the beginning in percentage |
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240 } |
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241 TUint sliderTabHeight = iSliderTab->SizeInPixels().iHeight; // slider tab height |
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242 |
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243 // slider bitmap is actually a bit longer but this resolves the problem |
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244 // where the tab is drawn outside of the slider when in maximum position |
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245 TUint sliderBitmapHeight = iSliderBg->SizeInPixels().iHeight - sliderTabHeight; |
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246 |
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247 TUint tabPositionFromMinInPixels = (TUint) (factor * sliderBitmapHeight + 0.5); // calculate tab position |
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248 |
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249 // top left coordinate |
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250 const TPoint tl = aRect.iTl; |
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251 |
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252 CWindowGc& gc = SystemGc(); |
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253 |
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254 // draw actual slider using mask bitmap |
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255 TRect bgRect(TPoint(0,0), iSliderBg->SizeInPixels()); |
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256 gc.BitBltMasked(tl, iSliderBg, bgRect, iSliderBgMask, ETrue); |
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257 |
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258 // draw the tab using mask bitmap |
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259 TRect tabRect(TPoint(0,0), iSliderTab->SizeInPixels()); |
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260 gc.BitBltMasked(TPoint(tl.iX, tl.iY+tabPositionFromMinInPixels), iSliderTab, tabRect, iSliderTabMask, ETrue); |
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261 } |
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262 } |
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263 |
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264 //============================================================================= |
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265 void CVeiVerticalSlider::SizeChanged() |
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266 { |
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267 LOG(KVideoEditorLogFile, "CVeiVerticalSlider::SizeChanged: in"); |
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268 |
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269 __ASSERT_ALWAYS( iSliderBg && iSliderTab, Panic(EVeiSliderPanicBitmapsNotLoaded) ); |
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270 |
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271 // Set size for scalable icons - MUST BE CALLED BEFORE ICON IS USABLE |
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272 TSize sliderSize; |
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273 TSize tabSize; |
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274 |
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275 TInt w = Rect().Width(); |
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276 TInt h = Rect().Height(); |
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277 |
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278 // NOTE: this assumes that the slider and the slider tab have the same width. |
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279 // If that is not the case, it should be handled with transparency in the SVG graphic. |
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280 |
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281 // Set the slider bg to fill the whole rect |
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282 sliderSize.iWidth = w; |
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283 sliderSize.iHeight = h; |
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284 AknIconUtils::SetSize( iSliderBg, sliderSize, EAspectRatioNotPreserved); |
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285 |
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286 // The slider tab is set to have the same width. |
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287 // The height is calculated from the aspect ratio (set based on the original SVG) |
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288 tabSize.iWidth = w; |
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289 tabSize.iHeight = (TInt)( w * KTabAspectRatioY / KTabAspectRatioX ); |
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290 AknIconUtils::SetSize( iSliderTab, tabSize, EAspectRatioNotPreserved); |
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291 |
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292 LOGFMT4(KVideoEditorLogFile, "CVeiVerticalSlider::SizeChanged: out: sliderSize(%d,%d), tabSize(%d,%d)", sliderSize.iWidth,sliderSize.iHeight,tabSize.iWidth,tabSize.iHeight); |
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293 } |
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294 |
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295 //============================================================================= |
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296 TSize CVeiVerticalSlider::MinimumSize() |
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297 { |
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298 LOG(KVideoEditorLogFile, "CVeiVerticalSlider::MinimumSize()"); |
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299 |
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300 return iSliderBg->SizeInPixels(); |
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301 } |
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302 |
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303 //============================================================================= |
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304 // |
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305 // class CVeiHorizontalSlider member functions |
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306 // |
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307 //============================================================================= |
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308 |
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309 //============================================================================= |
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310 EXPORT_C CVeiHorizontalSlider* CVeiHorizontalSlider::NewL(const TRect& aRect, const CCoeControl& aControl) |
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311 { |
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312 CVeiHorizontalSlider* self = CVeiHorizontalSlider::NewLC(aRect, aControl); |
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313 CleanupStack::Pop(self); |
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314 return self; |
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315 } |
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316 |
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317 //============================================================================= |
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318 EXPORT_C CVeiHorizontalSlider* CVeiHorizontalSlider::NewLC(const TRect& aRect, const CCoeControl& aControl) |
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319 { |
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320 CVeiHorizontalSlider* self = new (ELeave) CVeiHorizontalSlider; |
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321 CleanupStack::PushL(self); |
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322 self->ConstructL(aRect, aControl); |
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323 return self; |
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324 } |
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325 |
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326 //============================================================================= |
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327 EXPORT_C CVeiHorizontalSlider::~CVeiHorizontalSlider() |
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328 { |
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329 } |
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330 |
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331 //============================================================================= |
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332 void CVeiHorizontalSlider::ConstructL(const TRect& aRect, const CCoeControl& aControl) |
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333 { |
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334 LOG(KVideoEditorLogFile, "CVeiVerticalSlider::ConstructL: in"); |
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335 |
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336 SetContainerWindowL(aControl); |
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337 |
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338 // Load the bitmaps |
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339 LoadBitmapL( iSliderBg, iSliderBgMask, EMbmVideoeditoruicomponentsQgn_graf_ied_hslider, EMbmVideoeditoruicomponentsQgn_graf_ied_hslider_mask ); |
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340 LoadBitmapL( iSliderTab, iSliderTabMask, EMbmVideoeditoruicomponentsQgn_graf_ied_htab, EMbmVideoeditoruicomponentsQgn_graf_ied_htab_mask ); |
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341 |
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342 SetRect(aRect); |
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343 ActivateL(); |
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344 |
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345 LOG(KVideoEditorLogFile, "CVeiVerticalSlider::ConstructL: out"); |
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346 } |
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347 |
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348 //============================================================================= |
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349 CVeiHorizontalSlider::CVeiHorizontalSlider() |
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350 { |
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351 // no implementation required |
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352 } |
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353 |
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354 //============================================================================= |
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355 void CVeiHorizontalSlider::Draw(const TRect& aRect) const |
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356 { |
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357 if ( Minimum() <= Maximum() ) |
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358 { |
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359 TUint height = Maximum() - Minimum(); // height of the slider |
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360 TUint pixelsFromMin = SliderPosition() - Minimum(); // tab position from the beginning |
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361 |
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362 TReal factor = 0.0; |
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363 if (Minimum() < Maximum() ) |
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364 { |
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365 factor = (TReal) pixelsFromMin / height; // tab position from the beginning in percentage |
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366 } |
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367 TUint sliderTabWidth = iSliderTab->SizeInPixels().iWidth; // slider tab width |
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368 |
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369 // slider bitmap is actually a bit longer but this resolves the problem |
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370 // where the tab is drawn outside of the slider when in maximum position |
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371 TUint sliderBitmapWidth = iSliderBg->SizeInPixels().iWidth - sliderTabWidth; |
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372 |
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373 TUint tabPositionFromMinInPixels = (TUint) (factor * sliderBitmapWidth + 0.5); // calculate tab position |
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374 |
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375 // top left coordinate |
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376 const TPoint tl = aRect.iTl; |
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377 |
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378 CWindowGc& gc = SystemGc(); |
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379 |
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380 // draw actual slider using mask bitmap |
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381 TRect bgRect(TPoint(0,0), iSliderBg->SizeInPixels()); |
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382 gc.BitBltMasked(tl, iSliderBg, bgRect, iSliderBgMask, ETrue); |
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383 |
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384 // draw the tab using mask bitmap |
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385 TRect tabRect(TPoint(0,0),iSliderTab->SizeInPixels()); |
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386 gc.BitBltMasked(TPoint(tl.iX + tabPositionFromMinInPixels, tl.iY), iSliderTab, tabRect, iSliderTabMask, ETrue); |
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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 void CVeiHorizontalSlider::SizeChanged() |
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392 { |
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393 LOG(KVideoEditorLogFile, "CVeiHorizontalSlider::SizeChanged: in"); |
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394 |
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395 __ASSERT_ALWAYS( iSliderBg && iSliderTab, Panic(EVeiSliderPanicBitmapsNotLoaded) ); |
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396 |
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397 // Set size for scalable icons - MUST BE CALLED BEFORE ICON IS USABLE |
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398 TSize sliderSize; |
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399 TSize tabSize; |
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400 |
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401 TInt w = Rect().Width(); |
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402 TInt h = Rect().Height(); |
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403 |
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404 // NOTE: this assumes that the slider and the slider tab have the same height. |
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405 // If that is not the case, it should be handled with transparency in the SVG graphic. |
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406 |
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407 // Set the slider bg to fill the whole rect. |
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408 sliderSize.iWidth = w; |
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409 sliderSize.iHeight = h; |
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410 AknIconUtils::SetSize( iSliderBg, sliderSize, EAspectRatioNotPreserved); |
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411 |
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412 // The slider tab is set to have the same height with the bg. |
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413 // The width is calculated from the aspect ratio (set based on the original SVG). |
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414 tabSize.iWidth = (TInt)( h * KTabAspectRatioY / KTabAspectRatioX ); |
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415 tabSize.iHeight = h; |
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416 AknIconUtils::SetSize( iSliderTab, tabSize, EAspectRatioNotPreserved); |
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417 |
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418 LOGFMT4(KVideoEditorLogFile, "CVeiHorizontalSlider::SizeChanged: out: sliderSize(%d,%d), tabSize(%d,%d)", sliderSize.iWidth,sliderSize.iHeight,tabSize.iWidth,tabSize.iHeight); |
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419 } |
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420 |
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421 //============================================================================= |
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422 TSize CVeiHorizontalSlider::MinimumSize() |
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423 { |
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424 LOG(KVideoEditorLogFile, "CVeiHorizontalSlider::MinimumSize()"); |
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425 |
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426 return iSliderBg->SizeInPixels(); |
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427 } |
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428 |
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429 // End of File |