Requst payment dialog

src/requestdialog.cpp

@@ -1,5 +1,7 @@
 #include "requestdialog.h"
 #include "ui_requestdialog.h"
+#include "settings.h"
+#include "addressbook.h"
 
 RequestDialog::RequestDialog(QWidget *parent) :
     QDialog(parent),
@@ -12,3 +14,50 @@ RequestDialog::~RequestDialog()
 {
     delete ui;
 }
+
+// Static method that shows the request dialog
+void RequestDialog::showRequestZcash(MainWindow* main) {
+    QDialog d(main);
+    Ui_RequestDialog req;
+    req.setupUi(&d);
+    Settings::saveRestore(&d);
+
+    // Setup the Label completer for the Address
+    req.txtFrom->setCompleter(main->getLabelCompleter());
+    QObject::connect(req.txtFrom, &QLineEdit::textChanged, [=] (auto text) {
+        auto addr = AddressBook::addressFromAddressLabel(text);
+        if (!Settings::getInstance()->isSaplingAddress(addr)) {
+            req.lblSaplingWarning->setText(tr("Can only request from Sapling addresses"));
+            req.buttonBox->button(QDialogButtonBox::Ok)->setEnabled(false);
+        } else {
+            req.lblSaplingWarning->setText("");
+            req.buttonBox->button(QDialogButtonBox::Ok)->setEnabled(true);
+        }
+    });
+
+    // Wire up AddressBook button
+    QObject::connect(req.btnAddressBook, &QPushButton::clicked, [=] () {
+        AddressBook::open(main, req.txtFrom);
+    });
+
+    // Amount textbox
+    req.txtAmount->setValidator(main->getAmountValidator());
+    QObject::connect(req.txtAmount, &QLineEdit::textChanged, [=] (auto text) {
+        req.txtAmountUSD->setText(Settings::getUSDFormat(text.toDouble()));
+    });
+    req.txtAmountUSD->setText(Settings::getUSDFormat(req.txtAmount->text().toDouble()));
+
+    req.txtMemo->setAcceptButton(req.buttonBox->button(QDialogButtonBox::Ok));
+    req.txtMemo->setLenDisplayLabel(req.lblMemoLen);
+    req.txtMemo->setMaxLen(400);
+
+    req.txtFrom->setFocus();
+
+    if (d.exec() == QDialog::Accepted) {
+        // Construct a zcash Payment URI with the data and pay it immediately.
+        QString paymentURI = "zcash:" + AddressBook::addressFromAddressLabel(req.txtFrom->text())
+                    + "?amt=" + Settings::getDecimalString(req.txtAmount->text().toDouble())
+                    + "&memo=" + QUrl::toPercentEncoding(req.txtMemo->toPlainText());
+        main->payZcashURI(paymentURI);
+    }
+}