From 4ffa4cbdad93a31ef7d9712d3d91777510a1a17d Mon Sep 17 00:00:00 2001
From: Szabolcs David <davidsz@inf.u-szeged.hu>
Date: Mon, 9 Nov 2015 06:25:56 -0800
Subject: Support custom mouse cursors

Task-number: QTBUG-43009
Change-Id: Ic36554c5137a55d9d4b9143c204d9d4400e23ff8
Reviewed-by: Joerg Bornemann <joerg.bornemann@theqtcompany.com>
---
 src/core/render_widget_host_view_qt.cpp |  8 +++++++-
 src/core/type_conversion.h              | 11 ++++++++++-
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/src/core/render_widget_host_view_qt.cpp b/src/core/render_widget_host_view_qt.cpp
index 330173880..2e67b0e89 100644
--- a/src/core/render_widget_host_view_qt.cpp
+++ b/src/core/render_widget_host_view_qt.cpp
@@ -75,6 +75,7 @@
 #include <QTextFormat>
 #include <QKeyEvent>
 #include <QMouseEvent>
+#include <QPixmap>
 #include <QScreen>
 #include <QStyleHints>
 #include <QVariant>
@@ -535,7 +536,12 @@ void RenderWidgetHostViewQt::UpdateCursor(const content::WebCursor &webCursor)
         shape = Qt::ClosedHandCursor;
         break;
     case blink::WebCursorInfo::TypeCustom:
-        // FIXME: Extract from the CursorInfo.
+        if (cursorInfo.custom_image.colorType() == SkColorType::kN32_SkColorType) {
+            QImage cursor = toQImage(cursorInfo.custom_image, QImage::Format_ARGB32);
+            m_delegate->updateCursor(QCursor(QPixmap::fromImage(cursor)));
+            return;
+        }
+        // Use arrow cursor as fallback in case the Chromium implementation changes.
         shape = Qt::ArrowCursor;
         break;
     default:
diff --git a/src/core/type_conversion.h b/src/core/type_conversion.h
index 9e5461888..eb874a26d 100644
--- a/src/core/type_conversion.h
+++ b/src/core/type_conversion.h
@@ -40,6 +40,7 @@
 #include <QColor>
 #include <QDateTime>
 #include <QDir>
+#include <QImage>
 #include <QMatrix4x4>
 #include <QNetworkCookie>
 #include <QRect>
@@ -49,8 +50,10 @@
 #include "base/time/time.h"
 #include "content/public/common/file_chooser_file_info.h"
 #include "net/cookies/canonical_cookie.h"
-#include "third_party/skia/include/utils/SkMatrix44.h"
+#include "third_party/skia/include/core/SkBitmap.h"
 #include "third_party/skia/include/core/SkColor.h"
+#include "third_party/skia/include/core/SkPixelRef.h"
+#include "third_party/skia/include/utils/SkMatrix44.h"
 #include "ui/gfx/geometry/rect.h"
 #include "url/gurl.h"
 
@@ -134,6 +137,12 @@ inline SkColor toSk(const QColor &c)
     return c.rgba();
 }
 
+inline QImage toQImage(const SkBitmap &bitmap, QImage::Format format)
+{
+    SkPixelRef *pixelRef = bitmap.pixelRef();
+    return QImage((uchar *)pixelRef->pixels(), bitmap.width(), bitmap.height(), format);
+}
+
 inline QMatrix4x4 toQt(const SkMatrix44 &m)
 {
     QMatrix4x4 qtMatrix(
-- 
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