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annotate src/qt/sendcoinsdialog.cpp @ 1271:052a2a34f756 draft

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Wallet encryption part 2: ask passphrase when needed, add menu options
author Wladimir J. van der Laan <laanwj@gmail.com>
date Wed, 24 Aug 2011 22:07:26 +0200 (2011-08-24)
parents d0d7e33253e5
children 310e1e69448b
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1 #include "sendcoinsdialog.h"
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2 #include "ui_sendcoinsdialog.h"
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3 #include "walletmodel.h"
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4 #include "bitcoinunits.h"
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5 #include "addressbookpage.h"
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6 #include "optionsmodel.h"
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7 #include "sendcoinsentry.h"
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8 #include "guiutil.h"
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9 #include "askpassphrasedialog.h"
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10
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11 #include <QMessageBox>
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12 #include <QLocale>
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13 #include <QTextDocument>
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14
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15 SendCoinsDialog::SendCoinsDialog(QWidget *parent) :
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16 QDialog(parent),
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17 ui(new Ui::SendCoinsDialog),
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18 model(0)
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19 {
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20 ui->setupUi(this);
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21
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22 addEntry();
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23
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24 connect(ui->addButton, SIGNAL(clicked()), this, SLOT(addEntry()));
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25 }
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26
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27 void SendCoinsDialog::setModel(WalletModel *model)
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28 {
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29 this->model = model;
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30
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31 for(int i = 0; i < ui->entries->count(); ++i)
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32 {
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33 SendCoinsEntry *entry = qobject_cast<SendCoinsEntry*>(ui->entries->itemAt(i)->widget());
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34 if(entry)
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35 {
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36 entry->setModel(model);
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37 }
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38 }
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39 }
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40
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41 SendCoinsDialog::~SendCoinsDialog()
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42 {
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43 delete ui;
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44 }
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45
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46 void SendCoinsDialog::on_sendButton_clicked()
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47 {
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48 QList<SendCoinsRecipient> recipients;
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49 bool valid = true;
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50 for(int i = 0; i < ui->entries->count(); ++i)
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51 {
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52 SendCoinsEntry *entry = qobject_cast<SendCoinsEntry*>(ui->entries->itemAt(i)->widget());
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53 if(entry)
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54 {
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55 if(entry->validate())
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56 {
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57 recipients.append(entry->getValue());
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58 }
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59 else
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60 {
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61 valid = false;
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62 }
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63 }
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64 }
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65
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66 if(!valid || recipients.isEmpty())
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67 {
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68 return;
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69 }
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70
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71 // Format confirmation message
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72 QStringList formatted;
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73 foreach(const SendCoinsRecipient &rcp, recipients)
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74 {
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75 formatted.append(tr("<b>%1</b> to %2 (%3)").arg(BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, rcp.amount), Qt::escape(rcp.label), rcp.address));
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76 }
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77
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78 QMessageBox::StandardButton retval = QMessageBox::question(this, tr("Confirm send coins"),
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79 tr("Are you sure you want to send %1?").arg(formatted.join(tr(" and "))),
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80 QMessageBox::Yes|QMessageBox::Cancel,
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81 QMessageBox::Cancel);
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82
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83 if(retval != QMessageBox::Yes)
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84 {
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85 return;
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86 }
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87
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88 WalletModel::UnlockContext ctx(model->requestUnlock());
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89 if(!ctx.isValid())
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90 {
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91 // Unlock wallet was cancelled
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92 return;
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93 }
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94
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95 WalletModel::SendCoinsReturn sendstatus = model->sendCoins(recipients);
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96 switch(sendstatus.status)
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97 {
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98 case WalletModel::InvalidAddress:
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99 QMessageBox::warning(this, tr("Send Coins"),
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100 tr("The recepient address is not valid, please recheck."),
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101 QMessageBox::Ok, QMessageBox::Ok);
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102 break;
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103 case WalletModel::InvalidAmount:
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104 QMessageBox::warning(this, tr("Send Coins"),
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105 tr("The amount to pay must be larger than 0."),
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106 QMessageBox::Ok, QMessageBox::Ok);
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107 break;
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108 case WalletModel::AmountExceedsBalance:
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109 QMessageBox::warning(this, tr("Send Coins"),
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110 tr("Amount exceeds your balance"),
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111 QMessageBox::Ok, QMessageBox::Ok);
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112 break;
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113 case WalletModel::AmountWithFeeExceedsBalance:
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114 QMessageBox::warning(this, tr("Send Coins"),
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115 tr("Total exceeds your balance when the %1 transaction fee is included").
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116 arg(BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, sendstatus.fee)),
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117 QMessageBox::Ok, QMessageBox::Ok);
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118 break;
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119 case WalletModel::DuplicateAddress:
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120 QMessageBox::warning(this, tr("Send Coins"),
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121 tr("Duplicate address found, can only send to each address once in one send operation"),
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122 QMessageBox::Ok, QMessageBox::Ok);
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123 break;
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124 case WalletModel::TransactionCreationFailed:
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125 QMessageBox::warning(this, tr("Send Coins"),
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126 tr("Error: Transaction creation failed "),
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127 QMessageBox::Ok, QMessageBox::Ok);
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128 break;
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129 case WalletModel::TransactionCommitFailed:
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130 QMessageBox::warning(this, tr("Send Coins"),
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131 tr("Error: The transaction was rejected. This might happen if some of the coins in your wallet were already spent, such as if you used a copy of wallet.dat and coins were spent in the copy but not marked as spent here."),
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132 QMessageBox::Ok, QMessageBox::Ok);
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133 break;
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134 case WalletModel::OK:
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135 accept();
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136 break;
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137 }
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138 }
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139
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140 void SendCoinsDialog::clear()
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141 {
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142 // Remove entries until only one left
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143 while(ui->entries->count())
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144 {
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145 delete ui->entries->takeAt(0)->widget();
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146 }
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147 addEntry();
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148
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149 updateRemoveEnabled();
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150
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151 ui->sendButton->setDefault(true);
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152 }
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153
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154 void SendCoinsDialog::reject()
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155 {
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156 clear();
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157 }
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158
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159 void SendCoinsDialog::accept()
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160 {
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161 clear();
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162 }
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163
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164 SendCoinsEntry *SendCoinsDialog::addEntry()
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165 {
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166 SendCoinsEntry *entry = new SendCoinsEntry(this);
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167 entry->setModel(model);
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168 ui->entries->addWidget(entry);
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169 connect(entry, SIGNAL(removeEntry(SendCoinsEntry*)), this, SLOT(removeEntry(SendCoinsEntry*)));
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170
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171 updateRemoveEnabled();
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172
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173 // Focus the field, so that entry can start immediately
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174 entry->clear();
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175 return entry;
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176 }
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177
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178 void SendCoinsDialog::updateRemoveEnabled()
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179 {
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180 // Remove buttons are enabled as soon as there is more than one send-entry
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181 bool enabled = (ui->entries->count() > 1);
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182 for(int i = 0; i < ui->entries->count(); ++i)
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183 {
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184 SendCoinsEntry *entry = qobject_cast<SendCoinsEntry*>(ui->entries->itemAt(i)->widget());
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185 if(entry)
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186 {
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187 entry->setRemoveEnabled(enabled);
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188 }
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189 }
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190 setupTabChain(0);
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191 }
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192
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193 void SendCoinsDialog::removeEntry(SendCoinsEntry* entry)
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194 {
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195 delete entry;
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196 updateRemoveEnabled();
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197 }
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198
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199 QWidget *SendCoinsDialog::setupTabChain(QWidget *prev)
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200 {
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201 for(int i = 0; i < ui->entries->count(); ++i)
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202 {
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203 SendCoinsEntry *entry = qobject_cast<SendCoinsEntry*>(ui->entries->itemAt(i)->widget());
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204 if(entry)
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205 {
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206 prev = entry->setupTabChain(prev);
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207 }
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208 }
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209 QWidget::setTabOrder(prev, ui->addButton);
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210 QWidget::setTabOrder(ui->addButton, ui->sendButton);
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211 return ui->sendButton;
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212 }
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213
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214 void SendCoinsDialog::pasteEntry(const SendCoinsRecipient &rv)
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215 {
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216 SendCoinsEntry *entry = 0;
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217 // Replace the first entry if it is still unused
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218 if(ui->entries->count() == 1)
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219 {
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220 SendCoinsEntry *first = qobject_cast<SendCoinsEntry*>(ui->entries->itemAt(0)->widget());
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221 if(first->isClear())
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222 {
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223 entry = first;
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224 }
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225 }
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Wladimir J. van der Laan <laanwj@gmail.com>
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226 if(!entry)
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227 {
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228 entry = addEntry();
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229 }
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230
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Wladimir J. van der Laan <laanwj@gmail.com>
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231 entry->setValue(rv);
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232 }
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233
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234
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Wladimir J. van der Laan <laanwj@gmail.com>
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235 void SendCoinsDialog::handleURL(const QUrl *url)
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Wladimir J. van der Laan <laanwj@gmail.com>
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236 {
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Wladimir J. van der Laan <laanwj@gmail.com>
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237 SendCoinsRecipient rv;
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Wladimir J. van der Laan <laanwj@gmail.com>
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238 if(!GUIUtil::parseBitcoinURL(url, &rv))
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239 {
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240 return;
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241 }
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Wladimir J. van der Laan <laanwj@gmail.com>
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242 pasteEntry(rv);
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243 }