From 2e68a52a42f0a03b965171b9dc26d4c6382d99ae Mon Sep 17 00:00:00 2001
From: Klaus Basan <klaus.basan@klausbasan.de>
Date: Fri, 7 Dec 2018 02:33:16 +0100
Subject: [PATCH] Unhide password temporarily utility function

---
 src/blackgui/guiutility.cpp | 16 ++++++++++++++++
 src/blackgui/guiutility.h   |  4 ++++
 2 files changed, 20 insertions(+)

diff --git a/src/blackgui/guiutility.cpp b/src/blackgui/guiutility.cpp
index 73a6c3988..5a24c03c9 100644
--- a/src/blackgui/guiutility.cpp
+++ b/src/blackgui/guiutility.cpp
@@ -16,6 +16,7 @@
 #include <QApplication>
 #include <QCheckBox>
 #include <QComboBox>
+#include <QLineEdit>
 #include <QAbstractItemModel>
 #include <QJsonDocument>
 #include <QJsonObject>
@@ -33,6 +34,7 @@
 #include <QWidget>
 #include <QTimer>
 #include <Qt>
+#include <QPointer>
 #include <QtGlobal>
 #include <QGraphicsOpacityEffect>
 #include <QPropertyAnimation>
@@ -281,6 +283,20 @@ namespace BlackGui
         }
     }
 
+    void CGuiUtility::tempUnhidePassword(QLineEdit *lineEdit, int unhideMs)
+    {
+        if (!lineEdit) { return; }
+        if (lineEdit->text().isEmpty()) { return; }
+        if (lineEdit->echoMode() != QLineEdit::Password && lineEdit->echoMode() != QLineEdit::PasswordEchoOnEdit) { return; }
+        const QLineEdit::EchoMode mode = lineEdit->echoMode();
+        lineEdit->setEchoMode(QLineEdit::Normal);
+        QPointer<QLineEdit> qpLineEdit(lineEdit);
+        QTimer::singleShot(unhideMs, lineEdit, [ = ]
+        {
+            if (qpLineEdit) { qpLineEdit->setEchoMode(mode); }
+        });
+    }
+
     QWidgetList CGuiUtility::topLevelApplicationWidgetsWithName()
     {
         QWidgetList tlw = QApplication::topLevelWidgets();
diff --git a/src/blackgui/guiutility.h b/src/blackgui/guiutility.h
index c5a802f24..9d5ec92ef 100644
--- a/src/blackgui/guiutility.h
+++ b/src/blackgui/guiutility.h
@@ -30,6 +30,7 @@ class QCheckBox;
 class QComboBox;
 class QLayout;
 class QMimeData;
+class QLineEdit;
 class QTabWidget;
 class QGraphicsOpacityEffect;
 class QAbstractItemModel;
@@ -141,6 +142,9 @@ namespace BlackGui
         //! Pseudo readonly state for checkboxes of widget
         static void checkBoxesReadOnly(QWidget *parent, bool readOnly);
 
+        //! Temp. unhide password
+        static void tempUnhidePassword(QLineEdit *lineEdit, int unhideMs = 5000);
+
         //! Enable/disable all child widgets
         template <class WIDGET>
         static void childrenSetEnabled(QWidget *parent, bool enabled)