Limit memo size

src/memodialog.ui

@@ -0,0 +1,97 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MemoDialog</class>
+ <widget class="QDialog" name="MemoDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>618</width>
+    <height>115</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Dialog</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <item row="1" column="0" colspan="2">
+    <widget class="QLineEdit" name="memoTxt"/>
+   </item>
+   <item row="0" column="0">
+    <widget class="QLabel" name="label">
+     <property name="text">
+      <string>Memo</string>
+     </property>
+    </widget>
+   </item>
+   <item row="0" column="1">
+    <widget class="QLabel" name="memoSize">
+     <property name="text">
+      <string>6 / 512</string>
+     </property>
+     <property name="alignment">
+      <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+     </property>
+    </widget>
+   </item>
+   <item row="3" column="0" colspan="2">
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+     </property>
+    </widget>
+   </item>
+   <item row="2" column="0" colspan="2">
+    <spacer name="verticalSpacer">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>20</width>
+       <height>40</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>MemoDialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>MemoDialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>

src/rpc.cpp

@@ -615,8 +615,7 @@ void RPC::refreshTransactions() {
                 QString::fromStdString(it["txid"]),
                 it["amount"].get<json::number_float_t>() + fee,
                 it["confirmations"].get<json::number_unsigned_t>(),
-                "", ""
-            };
+                "", "" };
 
             txdata.push_back(tx);
         }

src/sendtab.cpp

@@ -1,6 +1,7 @@
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
 #include "ui_confirm.h"
+#include "ui_memodialog.h"
 #include "settings.h"
 #include "rpc.h"
 #include "utils.h"
@@ -238,13 +239,30 @@ void MainWindow::memoButtonClicked(int number) {
     QString currentMemo = memoTxt->text();
 
     // Ref to see if the button was clicked
-    bool ok;
-    QString newMemo = QInputDialog::getText(this, "Memo", 
-                        "Please type a memo to include with the amount. The memo will be visible to the recepient",
-                        QLineEdit::Normal, currentMemo, &ok);
-    if (ok) {
-        memoTxt->setText(newMemo);
+    // bool ok;
+    // QString newMemo = QInputDialog::getText(this, "Memo", 
+    //                     "Please type a memo to include with the amount. The memo will be visible to the recepient",
+    //                     QLineEdit::Normal, currentMemo, &ok);
+    Ui_MemoDialog memoDialog;
+    QDialog dialog(this);
+    memoDialog.setupUi(&dialog);
+
+    QObject::connect(memoDialog.memoTxt, &QLineEdit::textChanged, [=] (QString txt) {
+        memoDialog.memoSize->setText(QString::number(txt.toUtf8().size()) + "/512");
+
+        memoDialog.buttonBox->button(QDialogButtonBox::Ok)->setEnabled(txt.toUtf8().size() <= 512);
+        if (txt.toUtf8().size() > 512) {
+            memoDialog.memoSize->setStyleSheet("color: red;");
+        } else {
+            memoDialog.memoSize->setStyleSheet("");
+        }
+    });
+    memoDialog.memoTxt->setText(currentMemo);
+
+    if (dialog.exec() == QDialog::Accepted) {
+        memoTxt->setText(memoDialog.memoTxt->text());
     }
+
 }
 
 void MainWindow::removeExtraAddresses() {

src/ui_memodialog.h

@@ -0,0 +1,90 @@
+/********************************************************************************
+** Form generated from reading UI file 'memodialog.ui'
+**
+** Created by: Qt User Interface Compiler version 5.11.2
+**
+** WARNING! All changes made in this file will be lost when recompiling UI file!
+********************************************************************************/
+
+#ifndef UI_MEMODIALOG_H
+#define UI_MEMODIALOG_H
+
+#include <QtCore/QVariant>
+#include <QtWidgets/QApplication>
+#include <QtWidgets/QDialog>
+#include <QtWidgets/QDialogButtonBox>
+#include <QtWidgets/QGridLayout>
+#include <QtWidgets/QLabel>
+#include <QtWidgets/QLineEdit>
+#include <QtWidgets/QSpacerItem>
+
+QT_BEGIN_NAMESPACE
+
+class Ui_MemoDialog
+{
+public:
+    QGridLayout *gridLayout;
+    QLineEdit *memoTxt;
+    QLabel *label;
+    QLabel *memoSize;
+    QDialogButtonBox *buttonBox;
+    QSpacerItem *verticalSpacer;
+
+    void setupUi(QDialog *MemoDialog)
+    {
+        if (MemoDialog->objectName().isEmpty())
+            MemoDialog->setObjectName(QStringLiteral("MemoDialog"));
+        MemoDialog->resize(618, 115);
+        gridLayout = new QGridLayout(MemoDialog);
+        gridLayout->setObjectName(QStringLiteral("gridLayout"));
+        memoTxt = new QLineEdit(MemoDialog);
+        memoTxt->setObjectName(QStringLiteral("memoTxt"));
+
+        gridLayout->addWidget(memoTxt, 1, 0, 1, 2);
+
+        label = new QLabel(MemoDialog);
+        label->setObjectName(QStringLiteral("label"));
+
+        gridLayout->addWidget(label, 0, 0, 1, 1);
+
+        memoSize = new QLabel(MemoDialog);
+        memoSize->setObjectName(QStringLiteral("memoSize"));
+        memoSize->setAlignment(Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter);
+
+        gridLayout->addWidget(memoSize, 0, 1, 1, 1);
+
+        buttonBox = new QDialogButtonBox(MemoDialog);
+        buttonBox->setObjectName(QStringLiteral("buttonBox"));
+        buttonBox->setOrientation(Qt::Horizontal);
+        buttonBox->setStandardButtons(QDialogButtonBox::Cancel|QDialogButtonBox::Ok);
+
+        gridLayout->addWidget(buttonBox, 3, 0, 1, 2);
+
+        verticalSpacer = new QSpacerItem(20, 40, QSizePolicy::Minimum, QSizePolicy::Expanding);
+
+        gridLayout->addItem(verticalSpacer, 2, 0, 1, 2);
+
+
+        retranslateUi(MemoDialog);
+        QObject::connect(buttonBox, SIGNAL(accepted()), MemoDialog, SLOT(accept()));
+        QObject::connect(buttonBox, SIGNAL(rejected()), MemoDialog, SLOT(reject()));
+
+        QMetaObject::connectSlotsByName(MemoDialog);
+    } // setupUi
+
+    void retranslateUi(QDialog *MemoDialog)
+    {
+        MemoDialog->setWindowTitle(QApplication::translate("MemoDialog", "Dialog", nullptr));
+        label->setText(QApplication::translate("MemoDialog", "Memo", nullptr));
+        memoSize->setText(QApplication::translate("MemoDialog", "6 / 512", nullptr));
+    } // retranslateUi
+
+};
+
+namespace Ui {
+    class MemoDialog: public Ui_MemoDialog {};
+} // namespace Ui
+
+QT_END_NAMESPACE
+
+#endif // UI_MEMODIALOG_H

zec-qt-wallet.pro

@@ -71,7 +71,8 @@ FORMS += \
     src/mainwindow.ui \
     src/settings.ui \
     src/about.ui \
-    src/confirm.ui
+    src/confirm.ui \
+    src/memodialog.ui 
 
 # Default rules for deployment.
 qnx: target.path = /tmp/$${TARGET}/bin