Feather, a free Monero desktop wallet

Co-Authored-By: tobtoht <thotbot@protonmail.com>

src/sendwidget.cpp

@@ -0,0 +1,183 @@
+// SPDX-License-Identifier: BSD-3-Clause
+// Copyright (c) 2020, The Monero Project.
+
+
+#include <QMessageBox>
+#include "sendwidget.h"
+#include "widgets/ccswidget.h"
+#include "mainwindow.h"
+#include "ui_sendwidget.h"
+
+SendWidget::SendWidget(QWidget *parent) :
+        QWidget(parent),
+        ui(new Ui::SendWidget)
+{
+    ui->setupUi(this);
+
+    QString amount_rx = R"(^\d{0,8}[\.,]\d{0,12}|(all)$)";
+    QRegExp rx;
+    rx.setPattern(amount_rx);
+    QValidator *validator =  new QRegExpValidator(rx, this);
+    ui->lineAmount->setValidator(validator);
+
+    connect(ui->btnSend, &QPushButton::clicked, this, &SendWidget::sendClicked);
+    connect(ui->btnClear, &QPushButton::clicked, this, &SendWidget::clearClicked);
+    connect(ui->btnMax, &QPushButton::clicked, this, &SendWidget::btnMaxClicked);
+    connect(ui->comboCurrencySelection, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &SendWidget::currencyComboChanged);
+    connect(ui->lineAmount, &QLineEdit::textEdited, this, &SendWidget::amountEdited);
+    connect(ui->lineAddress, &QLineEdit::textEdited, this, &SendWidget::addressEdited);
+    connect(ui->btn_openAlias, &QPushButton::clicked, this, &SendWidget::aliasClicked);
+    ui->label_xmrAmount->setText("");
+    ui->label_xmrAmount->hide();
+    ui->btn_openAlias->hide();
+}
+
+void SendWidget::currencyComboChanged(int index) {
+    QString amount = ui->lineAmount->text();
+    if(amount.isEmpty()) return;
+    this->amountEdited(amount);
+}
+
+void SendWidget::addressEdited(const QString &text) {
+    text.contains(".") ? ui->btn_openAlias->show() : ui->btn_openAlias->hide();
+}
+
+void SendWidget::amountEdited(const QString &text) {
+    this->updateConversionLabel();
+}
+
+void SendWidget::fill(const CCSEntry &entry) {
+    this->fill(entry.address, QString("CCS: %1").arg(entry.title), 0.0);
+}
+
+void SendWidget::fill(double amount) {
+    ui->lineAmount->setText(QString::number(amount));
+}
+
+void SendWidget::fill(const QString &address, const QString& description){
+    ui->lineDescription->setText(description);
+    ui->lineAddress->setText(address);
+    ui->lineAddress->setCursorPosition(0);
+}
+
+void SendWidget::fill(const QString &address, const QString &description, double amount) {
+    ui->lineDescription->setText(description);
+    ui->lineAmount->setText(QString::number(amount));
+    ui->lineAddress->setText(address);
+    ui->lineAddress->setCursorPosition(0);
+}
+
+void SendWidget::fillAddress(const QString &address) {
+    ui->lineAddress->setText(address);
+    ui->lineAddress->setCursorPosition(0);
+}
+
+void SendWidget::sendClicked() {
+    double amount = 0.0;
+    QString currency = ui->comboCurrencySelection->currentText();
+    QString recipient = ui->lineAddress->text();  // @TODO: regex
+    QString description = ui->lineDescription->text();
+    if(recipient.isEmpty()) {
+        QMessageBox::warning(this, "Malformed recipient", "The recipient address was not correct");
+        return;
+    }
+
+    if (currency != "XMR") {
+        amount = this->conversionAmount();
+        if(amount <= 0.0) {
+            QMessageBox::warning(this, "Fiat conversion error", "Could not create transaction.");
+            return;
+        }
+        emit createTransaction(recipient, amount, description, false);
+        return;
+    }
+
+    amount = this->amount();
+    bool sendAll = amount == -1.0;
+    if(amount == 0.0){
+        QMessageBox::warning(this, "Amount error", "Invalid amount specified.");
+        return;
+    }
+
+    emit createTransaction(recipient, amount, description, sendAll);
+}
+
+void SendWidget::aliasClicked() {
+    auto address = ui->lineAddress->text();
+    emit resolveOpenAlias(address);
+}
+
+void SendWidget::clearClicked() {
+    ui->lineAddress->clear();
+    ui->lineAmount->clear();
+    ui->lineDescription->clear();
+}
+
+void SendWidget::btnMaxClicked() {
+    ui->lineAmount->setText("all");
+}
+
+void SendWidget::updateConversionLabel() {
+    auto amount = this->amount();
+    if(amount == -1) return;
+    ui->label_xmrAmount->setText("");
+    if(amount <= 0) {
+        ui->label_xmrAmount->hide();
+        return;
+    }
+
+    QString currency = ui->comboCurrencySelection->currentText();
+    if (currency != "XMR") {
+        QString xmr_str = QString("%1 XMR").arg(QString::number(this->conversionAmount()));
+        ui->label_xmrAmount->setText(xmr_str);
+        ui->label_xmrAmount->show();
+    }
+}
+
+double SendWidget::conversionAmount() {
+    QString currency = ui->comboCurrencySelection->currentText();
+    return AppContext::prices->convert(currency, "XMR", this->amount());
+}
+
+double SendWidget::amount() {
+    // grab amount from "amount" text box
+    QString amount = ui->lineAmount->text();
+    if(amount == "all") return -1.0;
+    amount.replace(',', '.');
+    if(amount.isEmpty()) return 0.0;
+    auto amount_num = amount.toDouble();
+    if(amount_num <= 0) return 0.0;
+    return amount_num;
+}
+
+void SendWidget::onOpenAliasResolved(const QString &address, const QString &openAlias) {
+    this->fill(address, openAlias);
+    ui->btn_openAlias->hide();
+}
+
+void SendWidget::onOpenAliasResolveError(const QString &msg) {
+    QMessageBox::warning(this, "OpenAlias error", msg);
+}
+
+void SendWidget::clearFields() {
+    ui->lineAddress->clear();
+    ui->lineAmount->clear();
+    ui->lineDescription->clear();
+    ui->label_xmrAmount->clear();
+}
+
+void SendWidget::onWalletClosed() {
+    this->clearFields();
+}
+
+void SendWidget::onInitiateTransaction() {
+    ui->btnSend->setEnabled(false);
+}
+
+void SendWidget::onEndTransaction() {
+    ui->btnSend->setEnabled(true);
+}
+
+SendWidget::~SendWidget() {
+    delete ui;
+}