From adfd341cbc64cd3a9bf97f823d9af50a614b7f5f Mon Sep 17 00:00:00 2001
From: Klaus Basan <klaus.basan@klausbasan.de>
Date: Sat, 2 Sep 2017 18:57:14 +0200
Subject: [PATCH] Ref T146, avoid double clicks for "connect button" using
 disableButtonBriefly

---
 src/blackgui/components/mainkeypadareacomponent.cpp | 5 +++++
 src/blackgui/components/mainkeypadareacomponent.h   | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/src/blackgui/components/mainkeypadareacomponent.cpp b/src/blackgui/components/mainkeypadareacomponent.cpp
index 3d7d88c7c..ccab5fde3 100644
--- a/src/blackgui/components/mainkeypadareacomponent.cpp
+++ b/src/blackgui/components/mainkeypadareacomponent.cpp
@@ -55,6 +55,7 @@ namespace BlackGui
 
             // non info areas
             connect(ui->pb_Connect, &QPushButton::pressed, this, &CMainKeypadAreaComponent::buttonSelected);
+            connect(ui->pb_Connect, &QPushButton::pressed, this, &CMainKeypadAreaComponent::disableButtonBriefly);
             connect(ui->pb_CockpitIdent, &QPushButton::released, this, &CMainKeypadAreaComponent::buttonSelected);
             connect(ui->pb_Opacity050, &QPushButton::pressed, this, &CMainKeypadAreaComponent::buttonSelected);
             connect(ui->pb_Opacity100, &QPushButton::pressed, this, &CMainKeypadAreaComponent::buttonSelected);
@@ -251,6 +252,10 @@ namespace BlackGui
 
         void CMainKeypadAreaComponent::disableButtonBriefly()
         {
+            QPushButton *pb = qobject_cast<QPushButton *>(QObject::sender());
+            if (!pb) { return; }
+            pb->setEnabled(false);
+            QTimer::singleShot(750, [pb] { pb->setEnabled(true); });
         }
     } // namespace
 } // namespace
diff --git a/src/blackgui/components/mainkeypadareacomponent.h b/src/blackgui/components/mainkeypadareacomponent.h
index bda8c8ac7..9e0899b2a 100644
--- a/src/blackgui/components/mainkeypadareacomponent.h
+++ b/src/blackgui/components/mainkeypadareacomponent.h
@@ -98,6 +98,9 @@ namespace BlackGui
             //! Info area buttons
             void unsetInfoAreaButtons();
 
+            //! Disable button for some (short) time to avoid double click
+            void disableButtonBriefly();
+
             QScopedPointer<Ui::CMainKeypadAreaComponent> ui;
             BlackMisc::CIdentifier m_identifier { QStringLiteral("KEYPADAREACOMPONENT") };
         };