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1 /*! |
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2 * Copyright (c) 2009 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: Implements grid of numeric buttons |
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15 * |
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16 */ |
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17 |
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18 #include <QPainter> |
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19 |
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20 #include <hbmainwindow.h> |
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21 #include <hbcolorscheme.h> |
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22 #include <hbevent.h> |
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23 #include <hbinputkeymapfactory.h> |
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24 #include <hbinputkeymap.h> |
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25 #include <hbinpututils.h> |
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26 #include <hbinputsettingproxy.h> |
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27 #include <hbinputlanguage.h> |
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28 |
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29 #include "dialpadnumericbutton.h" |
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30 #include "dialpadnumericbuttongrid.h" |
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31 |
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32 static const int DialpadRowCount = 4; |
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33 static const int DialpadColumnCount = 3; |
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34 // layout values in units |
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35 static const qreal DialpadPrimaryTextSizeV = 5.25; |
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36 static const qreal DialpadPrimaryTextSizeH = 4.5; |
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37 static const qreal DialpadSecondaryTextSizeV = 3.8; |
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38 static const qreal DialpadSecondaryTextSizeH = 3.3; |
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39 static const qreal DialpadSecondaryTextSize2RowsV = 3.0; |
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40 static const qreal DialpadSecondaryTextSize2RowsH = 2.6; |
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41 static const qreal DialpadIconSizeV = 5.0; |
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42 static const qreal DialpadIconSizeH = 4.25; |
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43 static const qreal DialpadPrimaryTextLeftMargin = 1.5; |
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44 static const qreal DialpadPrimarySecondaryMargin = 1.0; |
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45 |
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46 static const QLatin1String vmbxIcon("qtg_mono_voice_mailbox"); |
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47 |
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48 static const int DialpadKeyCodeTable[DialpadRowCount*DialpadColumnCount] = |
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49 { |
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50 Qt::Key_1, Qt::Key_2, Qt::Key_3, |
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51 Qt::Key_4, Qt::Key_5, Qt::Key_6, |
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52 Qt::Key_7, Qt::Key_8, Qt::Key_9, |
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53 Qt::Key_Asterisk, Qt::Key_0, Qt::Key_NumberSign |
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54 }; |
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55 |
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56 DialpadNumericButtonGrid::DialpadNumericButtonGrid( |
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57 const HbMainWindow& mainWindow, |
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58 QGraphicsItem* parent) : |
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59 HbInputButtonGroup(parent), |
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60 mMainWindow(mainWindow), |
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61 mUnit(.0), |
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62 mMaxPrimaryLineWidth(.0), |
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63 mPrimaryTextBaseline(.0) |
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64 { |
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65 setObjectName("numericButtons"); |
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66 |
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67 // create buttons |
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68 setGridSize(QSize(DialpadColumnCount, DialpadRowCount)); |
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69 setButtonBorderSize(0); |
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70 |
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71 QList<HbInputButton*> buttons; |
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72 |
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73 for (int i = 0; i < DialpadRowCount * DialpadColumnCount; ++i) { |
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74 DialpadNumericButton *item = new DialpadNumericButton( |
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75 DialpadKeyCodeTable[i], |
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76 QPoint(i % DialpadColumnCount, i / DialpadColumnCount)); |
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77 buttons.append(item); |
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78 |
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79 item->setType(HbInputButton::ButtonTypeNormal); |
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80 } |
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81 |
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82 setButtons(buttons); |
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83 |
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84 // connect signals from buttons |
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85 QObject::connect(this, SIGNAL(buttonPressed(const QKeyEvent&)), |
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86 this, SLOT(updateButtonLabels())); |
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87 QObject::connect(this, SIGNAL(buttonReleased(const QKeyEvent&)), |
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88 this, SLOT(updateButtonLabels())); |
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89 QObject::connect(this, SIGNAL(pressedButtonChanged(const QKeyEvent&, |
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90 const QKeyEvent&)), |
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91 this, SLOT(updateButtonLabels())); |
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92 |
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93 // update colors |
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94 updateColorArray(); |
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95 // set button texts |
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96 setButtonTexts(); |
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97 // set button icons |
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98 button(0)->setIcon(HbIcon(vmbxIcon)); |
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99 |
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100 // update button texts when input language is changed |
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101 connect(HbInputSettingProxy::instance(), |
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102 SIGNAL(globalInputLanguageChanged(HbInputLanguage)), |
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103 this, |
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104 SLOT(setButtonTexts())); |
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105 } |
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106 |
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107 DialpadNumericButtonGrid::~DialpadNumericButtonGrid() |
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108 { |
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109 } |
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110 |
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111 void DialpadNumericButtonGrid::resetButtons() |
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112 { |
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113 cancelButtonPress(); |
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114 } |
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115 |
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116 QChar DialpadNumericButtonGrid::inputCharacter(int keyCode) const |
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117 { |
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118 return mGeneratedChar.value(keyCode); |
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119 } |
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120 |
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121 void DialpadNumericButtonGrid::setButtonTexts() |
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122 { |
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123 HbInputLanguage inputLanguage = |
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124 HbInputSettingProxy::instance()->globalInputLanguage(); |
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125 const HbKeymap *keymap = |
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126 HbKeymapFactory::instance()->keymap(inputLanguage.language()); |
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127 |
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128 mGeneratedChar.clear(); |
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129 |
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130 if (keymap) { |
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131 int buttonCount = (DialpadRowCount*DialpadColumnCount); |
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132 for (int i = 0; i < buttonCount; i++) { |
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133 int keyCode = DialpadKeyCodeTable[i]; |
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134 |
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135 if (keyCode == Qt::Key_Asterisk) { |
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136 // asterisk is not localized |
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137 QChar asterisk('*'); |
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138 button(i)->setText(asterisk); |
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139 button(i)->setSecondaryText(QLatin1String("+")); |
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140 mGeneratedChar.insert(Qt::Key_Asterisk, asterisk); |
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141 continue; |
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142 } |
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143 |
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144 if (keyCode == Qt::Key_NumberSign) { |
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145 // number sign is not localized |
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146 QChar numberSign('#'); |
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147 button(i)->setText(numberSign); |
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148 mGeneratedChar.insert(Qt::Key_NumberSign, numberSign); |
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149 continue; |
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150 } |
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151 |
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152 int index = i; |
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153 if (keyCode==Qt::Key_0) { |
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154 index = i-1; |
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155 } |
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156 |
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157 const HbMappedKey *keyLabels = |
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158 keymap->keyForIndex(HbKeyboardVirtual12KeyLabels, index); |
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159 |
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160 // |
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161 // set digits |
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162 // todo: input digit depend on digit type setting |
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163 // QChar numberChar(QLocale::system().zeroDigit().unicode()+ |
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164 // (keyCode-0x30)); |
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165 // |
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166 QChar numberChar; |
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167 if (keyLabels && keyLabels->chars.count()>=1 && |
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168 keyLabels->chars.at(0).length()) { |
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169 numberChar = keyLabels->chars.at(0).at(0); |
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170 } else { |
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171 // fallback to latin |
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172 numberChar = QChar(keyCode); |
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173 } |
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174 |
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175 button(i)->setText(numberChar); |
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176 mGeneratedChar.insert(keyCode,numberChar); |
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177 |
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178 // |
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179 // set alphabets |
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180 // |
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181 if (keyLabels && keyLabels->chars.count()>=2) { |
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182 button(i)->setSecondaryText(keyLabels->chars.at(1)); |
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183 if (keyLabels->chars.count()>=4) { |
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184 button(i)->setSecondary2ndRowText(keyLabels->chars.at(3)); |
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185 } else { |
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186 button(i)->setSecondary2ndRowText(QString()); |
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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 updateButtonLabels(); |
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192 } |
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193 } |
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194 |
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195 DialpadNumericButton* DialpadNumericButtonGrid::button(int i) const |
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196 { |
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197 return static_cast<DialpadNumericButton*>(HbInputButtonGroup::button(i)); |
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198 } |
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199 |
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200 void DialpadNumericButtonGrid::updateButtonLabels() |
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201 { |
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202 // update numeric buttons according to button state (pressed/released) |
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203 updateIconColor(); |
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204 updateTextLayouts(rect().size()); |
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205 update(); |
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206 } |
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207 |
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208 void DialpadNumericButtonGrid::paint( |
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209 QPainter* painter, |
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210 const QStyleOptionGraphicsItem* option, |
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211 QWidget* widget) |
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212 { |
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213 Q_UNUSED(option); |
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214 Q_UNUSED(widget); |
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215 |
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216 // Paints empty buttons |
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217 HbInputButtonGroup::paint(painter,option,widget); |
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218 |
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219 qreal cellWidth = boundingRect().width() / gridSize().width(); |
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220 qreal cellHeight = boundingRect().height() / gridSize().height(); |
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221 |
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222 for (int i = 0; i < DialpadRowCount * DialpadColumnCount; i++) { |
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223 DialpadNumericButton *item = button(i); |
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224 |
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225 if (!item->icon().isNull()) { |
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226 // same as secondary text |
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227 qreal x = (item->position().x() * cellWidth) + |
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228 (DialpadPrimaryTextLeftMargin * mUnit) + |
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229 (DialpadPrimarySecondaryMargin * mUnit) + |
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230 mMaxPrimaryLineWidth; |
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231 // top align with some margin |
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232 qreal y = item->position().y() * cellHeight + (cellHeight / 20.0); |
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233 |
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234 qreal width = item->icon().size().width(); |
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235 qreal height = item->icon().size().height(); |
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236 |
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237 Qt::Alignment alignment = |
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238 static_cast<Qt::Alignment>(Qt::AlignTop | Qt::AlignLeft); |
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239 item->icon().paint(painter, |
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240 QRectF(x,y,width,height), |
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241 Qt::KeepAspectRatio, |
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242 alignment); |
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243 } |
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244 } |
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245 |
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246 // Draw texts |
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247 QPen origPen = painter->pen(); |
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248 for (int i = 0; i < mTextLayouts.count(); ++i) { |
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249 if (i==SecondaryText) { |
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250 // dimmed in normal state |
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251 painter->setPen(mColors.at(Pressed+1)); |
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252 } else { |
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253 // otherwise normal or pressed color |
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254 painter->setPen(mColors.at(i/TextTypeCount)); |
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255 } |
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256 mTextLayouts.at(i)->draw(painter, QPointF(0, 0)); |
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257 } |
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258 painter->setPen(origPen); |
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259 } |
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260 |
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261 void DialpadNumericButtonGrid::updateColorArray() |
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262 { |
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263 mColors.clear(); |
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264 |
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265 QColor normalColor = HbColorScheme::color("qtc_input_button_normal"); |
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266 mColors.insert(Normal, normalColor); |
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267 |
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268 QColor pressedColor = HbColorScheme::color("qtc_input_button_pressed"); |
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269 mColors.insert(Pressed, pressedColor); |
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270 |
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271 // this is used for alphabets shown dimmed, use alpha until exact color |
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272 // is specified |
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273 QColor disabledColor = HbColorScheme::color("qtc_input_button_normal"); |
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274 disabledColor.setAlpha(128); |
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275 mColors.insert(Pressed+1, disabledColor); |
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276 } |
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277 |
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278 void DialpadNumericButtonGrid::updateIconColor() |
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279 { |
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280 for (int i = 0; i < (DialpadRowCount * DialpadColumnCount); i++) { |
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281 DialpadNumericButton *item = button(i); |
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282 |
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283 if (item->state()==HbInputButton::ButtonStatePressed) { |
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284 item->icon().setColor(mColors.at(Pressed)); |
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285 } else { |
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286 item->icon().setColor(mColors.at(Normal)); |
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287 } |
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288 } |
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289 } |
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290 |
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291 void DialpadNumericButtonGrid::cancelButtonPress() |
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292 { |
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293 HbInputButtonGroup::cancelButtonPress(); |
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294 updateButtonLabels(); |
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295 } |
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296 |
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297 |
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298 void DialpadNumericButtonGrid::setGeometry(const QRectF &rect) |
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299 { |
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300 HbInputButtonGroup::setGeometry(rect); |
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301 |
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302 mUnit = HbDeviceProfile::profile(&mMainWindow).unitValue(); |
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303 |
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304 updateTextLayouts(rect.size()); |
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305 |
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306 updateIconSizes(); |
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307 } |
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308 |
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309 void DialpadNumericButtonGrid::updateIconSizes() |
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310 { |
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311 qreal width = mMainWindow.orientation() == Qt::Vertical ? |
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312 DialpadIconSizeV : DialpadIconSizeH; |
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313 width *= mUnit; |
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314 |
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315 for (int i = 0; i < DialpadRowCount * DialpadColumnCount; i++) { |
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316 DialpadNumericButton *item = button(i); |
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317 |
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318 if (!item->icon().isNull()) { |
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319 item->icon().setWidth(width); |
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320 } |
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321 } |
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322 } |
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323 |
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324 void DialpadNumericButtonGrid::changeEvent(QEvent *event) |
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325 { |
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326 HbInputButtonGroup::changeEvent(event); |
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327 |
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328 if (event->type() == HbEvent::ThemeChanged) { |
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329 updateColorArray(); |
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330 updateIconColor(); |
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331 } |
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332 } |
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333 |
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334 void DialpadNumericButtonGrid::updateTextLayouts(const QSizeF &size) |
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335 { |
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336 if (!size.width() && !size.height()) { |
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337 return; |
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338 } |
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339 |
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340 // get normal and pressed state texts |
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341 QList<QString> textContent; |
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342 bool useTwoRows; |
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343 |
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344 resolveTextContent(textContent, useTwoRows); |
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345 |
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346 // layout the texts |
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347 createTextLayouts(size, textContent, useTwoRows); |
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348 } |
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349 |
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350 void DialpadNumericButtonGrid::resolveTextContent( |
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351 QList<QString> &content, bool& useTwoRows) |
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352 { |
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353 QString normalState; |
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354 QString normalStateSecondary; |
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355 QString pressedState; |
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356 QString pressedStateSecondary; |
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357 |
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358 useTwoRows = false; |
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359 |
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360 for (int i = 0; i < (DialpadRowCount*DialpadColumnCount); i++) { |
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361 DialpadNumericButton *item = button(i); |
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362 if (item->state()==HbInputButton::ButtonStatePressed) { |
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363 if (item->text().length()) { |
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364 pressedState.append(item->text()); |
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365 pressedState.append(QChar(QChar::LineSeparator)); |
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366 } |
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367 |
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368 if (item->secondaryText().length()) { |
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369 pressedStateSecondary.append(item->secondaryText()); |
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370 pressedStateSecondary.append(QChar(QChar::LineSeparator)); |
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371 if (item->secondary2ndRowText().length()) { |
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372 pressedStateSecondary.append(item->secondary2ndRowText()); |
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373 pressedStateSecondary.append(QChar(QChar::LineSeparator)); |
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374 useTwoRows = true; |
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375 } |
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376 } |
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377 } else { // ButtonStateNormal |
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378 if (item->text().length()) { |
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379 normalState.append(item->text()); |
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380 normalState.append(QChar(QChar::LineSeparator)); |
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381 } |
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382 |
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383 if (item->secondaryText().length()) { |
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384 normalStateSecondary.append(item->secondaryText()); |
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385 normalStateSecondary.append(QChar(QChar::LineSeparator)); |
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386 if (item->secondary2ndRowText().length()) { |
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387 normalStateSecondary.append(item->secondary2ndRowText()); |
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388 normalStateSecondary.append(QChar(QChar::LineSeparator)); |
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389 useTwoRows = true; |
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390 } |
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391 } |
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392 } |
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393 } |
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394 |
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395 content.insert(PrimaryText, normalState); |
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396 content.insert(SecondaryText, normalStateSecondary); |
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397 content.insert(TextTypeCount + Pressed, pressedState); |
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398 content.insert(StateCount + SecondaryText, pressedStateSecondary); |
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399 } |
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400 |
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401 void DialpadNumericButtonGrid::createTextLayouts( |
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402 const QSizeF &size, const QList<QString> &content, bool useTwoRows) |
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403 { |
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404 // clear old layouts |
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405 qDeleteAll(mTextLayouts); |
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406 mTextLayouts.clear(); |
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407 |
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408 if(!isButtonPressed()) { |
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409 mMaxPrimaryLineWidth = 0; |
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410 } |
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411 |
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412 QFont primaryFont = HbFontSpec(HbFontSpec::Primary).font(); |
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413 qreal primarySize = mMainWindow.orientation() == Qt::Vertical ? |
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414 DialpadPrimaryTextSizeV : |
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415 DialpadPrimaryTextSizeH; |
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416 primaryFont.setPixelSize(primarySize * mUnit); |
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417 |
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418 QFont secondaryFont = HbFontSpec(HbFontSpec::Secondary).font(); |
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419 if (useTwoRows) { |
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420 qreal secondarySize = mMainWindow.orientation() == Qt::Vertical ? |
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421 DialpadSecondaryTextSize2RowsV : |
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422 DialpadSecondaryTextSize2RowsH; |
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423 secondaryFont.setPixelSize(secondarySize * mUnit); |
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424 } else { |
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425 qreal secondarySize = mMainWindow.orientation() == Qt::Vertical ? |
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426 DialpadSecondaryTextSizeV : |
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427 DialpadSecondaryTextSizeH; |
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428 secondaryFont.setPixelSize(secondarySize * mUnit); |
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429 } |
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430 |
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431 for (int i=0; i < (StateCount*TextTypeCount); i++ ) { |
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432 QString text = content.at(i); |
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433 |
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434 if (!text.isNull()) { |
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435 QTextLayout* textLayout; |
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436 int type; |
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437 |
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438 if (i%TextTypeCount) { |
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439 textLayout = new QTextLayout(text,secondaryFont); |
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440 type = SecondaryText; |
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441 } else { |
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442 textLayout = new QTextLayout(text,primaryFont); |
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443 type = PrimaryText; |
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444 } |
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445 |
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446 mTextLayouts.append(textLayout); |
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447 |
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448 textLayout->beginLayout(); |
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449 |
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450 int state = (i>=TextTypeCount) ? Pressed : Normal; |
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451 |
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452 layoutTextLines(size,*textLayout,state,type,useTwoRows); |
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453 |
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454 textLayout->endLayout(); |
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455 |
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456 textLayout->setCacheEnabled(true); |
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457 } |
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458 } |
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459 } |
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460 |
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461 void DialpadNumericButtonGrid::layoutTextLines( |
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462 const QSizeF &size, |
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463 QTextLayout &textLayout, |
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464 int state, |
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465 int type, |
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466 bool useTwoRows) |
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467 { |
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468 QFontMetricsF fontMetrics(textLayout.font()); |
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469 qreal textHeight = fontMetrics.height(); |
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470 qreal textDescent = fontMetrics.descent(); |
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471 |
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472 qreal cellWidth = size.width() / gridSize().width(); |
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473 qreal cellHeight = size.height() / gridSize().height(); |
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474 qreal maxLineWidth = 0; |
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475 |
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476 for (int j = 0; j < (DialpadRowCount*DialpadColumnCount); j++) { |
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477 DialpadNumericButton *item = button(j); |
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478 |
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479 if ((type==PrimaryText && item->text().isNull()) || |
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480 (type==SecondaryText && item->secondaryText().isNull())) { |
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481 continue; // no text for this button -> next button |
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482 } |
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483 |
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484 if ( ( state==Normal && |
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485 item->state()==HbInputButton::ButtonStateReleased ) || |
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486 ( state==Pressed && |
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487 item->state()==HbInputButton::ButtonStatePressed ) ) { |
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488 // layout text line |
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489 if (type==SecondaryText) { |
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490 layoutSecondaryText(textLayout,*item,cellWidth, |
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491 cellHeight,textHeight,textDescent, |
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492 useTwoRows); |
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493 } else { |
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494 layoutPrimaryText(textLayout,*item,cellWidth, |
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495 cellHeight,textHeight); |
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496 |
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497 // store line width, for drawing secondary text |
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498 qreal lineWidth = fontMetrics.width(item->text()); |
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499 if (mMaxPrimaryLineWidth == 0 && (j>0 && j<10) && |
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500 lineWidth > maxLineWidth) { |
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501 maxLineWidth = lineWidth; |
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502 mPrimaryTextBaseline = textHeight/2 - textDescent; |
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503 } |
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504 } |
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505 } |
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506 } |
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507 |
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508 if (maxLineWidth!=0) { |
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509 mMaxPrimaryLineWidth = maxLineWidth; |
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510 } |
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511 } |
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512 |
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513 void DialpadNumericButtonGrid::layoutPrimaryText( |
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514 QTextLayout& layout, |
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515 DialpadNumericButton& button, |
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516 qreal cellWidth, |
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517 qreal cellHeight, |
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518 qreal textHeight) const |
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519 { |
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520 QTextLine line = layout.createLine(); |
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521 line.setNumColumns(button.text().length()); |
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522 qreal textPositionX = (button.position().x() * cellWidth) + |
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523 (DialpadPrimaryTextLeftMargin * mUnit) |
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524 + buttonBorderSize(); |
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525 qreal textPositionY = (button.position().y() + |
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526 (0.5 * button.size().height())) * |
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527 cellHeight - (0.5 * textHeight); |
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528 line.setPosition(QPointF(textPositionX, textPositionY)); |
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529 } |
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530 |
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531 void DialpadNumericButtonGrid::layoutSecondaryText( |
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532 QTextLayout& layout, |
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533 DialpadNumericButton& button, |
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534 qreal cellWidth, |
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535 qreal cellHeight, |
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536 qreal textHeight, |
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537 qreal textDescent, |
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538 bool useTwoRows) const |
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539 { |
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540 qreal textPositionX; |
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541 qreal textPositionY; |
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542 |
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543 QTextLine line = layout.createLine(); |
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544 |
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545 if (useTwoRows) { |
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546 line.setNumColumns(button.secondaryText().length()); |
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547 |
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548 textPositionX = (button.position().x() * cellWidth) + |
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549 (DialpadPrimaryTextLeftMargin * mUnit) + |
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550 mMaxPrimaryLineWidth + |
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551 (DialpadPrimarySecondaryMargin * mUnit) |
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552 + buttonBorderSize(); |
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553 |
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554 if (button.secondary2ndRowText().length()) { |
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555 textPositionY = (button.position().y() + |
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556 (0.5 * button.size().height())) * |
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557 cellHeight; |
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558 |
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559 QTextLine line2 = layout.createLine(); |
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560 line2.setNumColumns(button.secondary2ndRowText().length()); |
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561 line2.setPosition(QPointF(textPositionX,textPositionY-textHeight)); |
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562 } else { |
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563 textPositionY = (button.position().y() + |
|
564 (0.5 * button.size().height())) * |
|
565 cellHeight - (0.5 * textHeight); |
|
566 } |
|
567 } else { |
|
568 line.setNumColumns(button.secondaryText().length()); |
|
569 textPositionX = (button.position().x() * cellWidth) + |
|
570 (DialpadPrimaryTextLeftMargin * mUnit) + |
|
571 mMaxPrimaryLineWidth + |
|
572 (DialpadPrimarySecondaryMargin * mUnit) |
|
573 + buttonBorderSize(); |
|
574 textPositionY = (button.position().y() + |
|
575 (0.5 * button.size().height())) * |
|
576 cellHeight + mPrimaryTextBaseline - |
|
577 (textHeight - textDescent); |
|
578 } |
|
579 line.setPosition(QPointF(textPositionX, textPositionY)); |
|
580 } |
|
581 |
|
582 bool DialpadNumericButtonGrid::isButtonPressed() const |
|
583 { |
|
584 bool pressed = false; |
|
585 |
|
586 for (int i = 0; i < (DialpadRowCount*DialpadColumnCount); i++) { |
|
587 if (button(i)->state()==HbInputButton::ButtonStatePressed) { |
|
588 pressed = true; |
|
589 break; |
|
590 } |
|
591 } |
|
592 |
|
593 return pressed; |
|
594 } |