From 56c9e66a6d7c798394478660f6088b943fe4e96d Mon Sep 17 00:00:00 2001
From: Jonas Schnelli <dev@jonasschnelli.ch>
Date: Sat, 23 Jan 2016 00:05:14 +0100
Subject: [PATCH] [Qt] keep scroll position in GUI console after changing font
 size

---
 src/qt/forms/debugwindow.ui | 4 ++--
 src/qt/rpcconsole.cpp       | 2 ++
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/qt/forms/debugwindow.ui b/src/qt/forms/debugwindow.ui
index 045eb80d9568b..2f4613099090e 100644
--- a/src/qt/forms/debugwindow.ui
+++ b/src/qt/forms/debugwindow.ui
@@ -480,7 +480,7 @@
             </size>
            </property>
            <property name="toolTip">
-            <string>Decrease Font Size</string>
+            <string>Decrease font size</string>
            </property>
            <property name="text">
             <string/>
@@ -512,7 +512,7 @@
             </size>
            </property>
            <property name="toolTip">
-            <string>Increase Font Size</string>
+            <string>Increase font size</string>
            </property>
            <property name="text">
             <string/>
diff --git a/src/qt/rpcconsole.cpp b/src/qt/rpcconsole.cpp
index 40c54225f5af1..dca34ed043702 100644
--- a/src/qt/rpcconsole.cpp
+++ b/src/qt/rpcconsole.cpp
@@ -490,8 +490,10 @@ void RPCConsole::setFontSize(int newSize)
     settings.setValue(fontSizeSettingsKey, consoleFontSize);
 
     // clear console (reset icon sizes, default stylesheet) and re-add the content
+    float oldPosFactor = 1.0 / ui->messagesWidget->verticalScrollBar()->maximum() * ui->messagesWidget->verticalScrollBar()->value();
     clear();
     ui->messagesWidget->setHtml(str);
+    ui->messagesWidget->verticalScrollBar()->setValue(oldPosFactor * ui->messagesWidget->verticalScrollBar()->maximum());
 }
 
 void RPCConsole::clear()