From ff35de8f03274aede64e270bae7c6b359e740c93 Mon Sep 17 00:00:00 2001
From: Thomas Snider <tjps636@gmail.com>
Date: Tue, 10 Oct 2017 21:50:01 -0700
Subject: [ui] Add toggle for unblinding password fields

---
 src/qt/askpassphrasedialog.cpp      | 10 ++++++++++
 src/qt/askpassphrasedialog.h        |  1 +
 src/qt/forms/askpassphrasedialog.ui |  7 +++++++
 3 files changed, 18 insertions(+)

diff --git a/src/qt/askpassphrasedialog.cpp b/src/qt/askpassphrasedialog.cpp
index e9f5c77a5b..d6cce09e8d 100644
--- a/src/qt/askpassphrasedialog.cpp
+++ b/src/qt/askpassphrasedialog.cpp
@@ -70,6 +70,7 @@ AskPassphraseDialog::AskPassphraseDialog(Mode _mode, QWidget *parent) :
             break;
     }
     textChanged();
+    connect(ui->toggleShowPasswordButton, SIGNAL(toggled(bool)), this, SLOT(toggleShowPassword(bool)));
     connect(ui->passEdit1, SIGNAL(textChanged(QString)), this, SLOT(textChanged()));
     connect(ui->passEdit2, SIGNAL(textChanged(QString)), this, SLOT(textChanged()));
     connect(ui->passEdit3, SIGNAL(textChanged(QString)), this, SLOT(textChanged()));
@@ -234,6 +235,15 @@ bool AskPassphraseDialog::event(QEvent *event)
     return QWidget::event(event);
 }
 
+void AskPassphraseDialog::toggleShowPassword(bool show)
+{
+    ui->toggleShowPasswordButton->setDown(show);
+    const auto mode = show ? QLineEdit::Normal : QLineEdit::Password;
+    ui->passEdit1->setEchoMode(mode);
+    ui->passEdit2->setEchoMode(mode);
+    ui->passEdit3->setEchoMode(mode);
+}
+
 bool AskPassphraseDialog::eventFilter(QObject *object, QEvent *event)
 {
     /* Detect Caps Lock.
diff --git a/src/qt/askpassphrasedialog.h b/src/qt/askpassphrasedialog.h
index 34bf7ccb31..7c6acc4650 100644
--- a/src/qt/askpassphrasedialog.h
+++ b/src/qt/askpassphrasedialog.h
@@ -43,6 +43,7 @@ private:
 private Q_SLOTS:
     void textChanged();
     void secureClearPassFields();
+    void toggleShowPassword(bool);
 
 protected:
     bool event(QEvent *event);
diff --git a/src/qt/forms/askpassphrasedialog.ui b/src/qt/forms/askpassphrasedialog.ui
index a2105ecd0a..69803989cd 100644
--- a/src/qt/forms/askpassphrasedialog.ui
+++ b/src/qt/forms/askpassphrasedialog.ui
@@ -93,6 +93,13 @@
       </widget>
      </item>
      <item row="3" column="1">
+      <widget class="QCheckBox" name="toggleShowPasswordButton">
+       <property name="text">
+        <string>Show password</string>
+       </property>
+      </widget>
+     </item>
+     <item row="4" column="1">
       <widget class="QLabel" name="capsLabel">
        <property name="font">
         <font>
-- 
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