From a89a9a8ddce4e5f4ba96835876f304bd0f3ece65 Mon Sep 17 00:00:00 2001
From: David Rosca <nowrep@gmail.com>
Date: Sat, 24 Feb 2018 18:00:53 +0100
Subject: [PATCH] WebView: Add support for changing default background color

BUG: 390316
---
 src/lib/webengine/webview.cpp | 4 ++++
 themes/chrome/main.css        | 6 ++++++
 themes/linux/main.css         | 6 ++++++
 themes/mac/main.css           | 6 ++++++
 themes/windows/main.css       | 6 ++++++
 5 files changed, 28 insertions(+)

diff --git a/src/lib/webengine/webview.cpp b/src/lib/webengine/webview.cpp
index 773162141..6db0c7706 100644
--- a/src/lib/webengine/webview.cpp
+++ b/src/lib/webengine/webview.cpp
@@ -49,6 +49,7 @@
 #include <QScrollBar>
 #include <QPrintDialog>
 #include <QPrinter>
+#include <QQuickWidget>
 
 bool WebView::s_forceContextMenuOnMouseRelease = false;
 
@@ -86,6 +87,9 @@ WebView::WebView(QWidget* parent)
                 return;
             }
             m_rwhvqt->installEventFilter(this);
+            if (QQuickWidget *w = qobject_cast<QQuickWidget*>(m_rwhvqt)) {
+                w->setClearColor(palette().color(QPalette::Window));
+            }
         });
     });
 }
diff --git a/themes/chrome/main.css b/themes/chrome/main.css
index cab6db3d8..ff658cc99 100644
--- a/themes/chrome/main.css
+++ b/themes/chrome/main.css
@@ -345,3 +345,9 @@ QFrame[js-frame2="true"]
     border-top: 0px;
     background-color: #f3f3f3;
 }
+
+/*WebView*/
+WebView
+{
+    background: white;
+}
diff --git a/themes/linux/main.css b/themes/linux/main.css
index 9bf664f49..8751f9fcb 100644
--- a/themes/linux/main.css
+++ b/themes/linux/main.css
@@ -274,3 +274,9 @@ QFrame[js-frame2="true"]
     border-top: 0px;
     background-color: #f3f3f3;
 }
+
+/*WebView*/
+WebView
+{
+    background: white;
+}
diff --git a/themes/mac/main.css b/themes/mac/main.css
index 39193ddc2..53aa1fd7a 100644
--- a/themes/mac/main.css
+++ b/themes/mac/main.css
@@ -349,3 +349,9 @@ QFrame[js-frame2="true"]
     border-top: 0px;
     background-color: #f3f3f3;
 }
+
+/*WebView*/
+WebView
+{
+    background: white;
+}
diff --git a/themes/windows/main.css b/themes/windows/main.css
index 4a942894d..280bab95b 100644
--- a/themes/windows/main.css
+++ b/themes/windows/main.css
@@ -436,3 +436,9 @@ QFrame[js-frame2="true"]
     border-top: 0px;
     background-color: #f3f3f3;
 }
+
+/*WebView*/
+WebView
+{
+    background: white;
+}