3 files changed, 32 insertions, 2 deletions
diff --git a/engines/gargoyle/glk.cpp b/engines/gargoyle/glk.cpp
index 6022a86999..dc91d4cca1 100644
--- a/engines/gargoyle/glk.cpp
+++ b/engines/gargoyle/glk.cpp
@@ -1160,11 +1160,15 @@ void Glk::garglk_set_zcolors_stream(strid_t str, glui32 fg, glui32 bg) {
 }
 
 void Glk::garglk_set_reversevideo(glui32 reverse) {
-	// TODO
+	_streams->getCurrent()->setReverseVideo(reverse != 0);
 }
 
 void Glk::garglk_set_reversevideo_stream(strid_t str, glui32 reverse) {
-	// TODO
+	if (str) {
+		str->setReverseVideo(reverse != 0);
+	} else {
+		warning("set_reversevideo: Invalid ref");
+	}
 }
 
 } // End of namespace Gargoyle
diff --git a/engines/gargoyle/streams.cpp b/engines/gargoyle/streams.cpp
index 9d257f2fa1..b3012720d5 100644
--- a/engines/gargoyle/streams.cpp
+++ b/engines/gargoyle/streams.cpp
@@ -68,6 +68,11 @@ void Stream::setZColors(glui32 fg, glui32 bg) {
 		Windows::_forceRedraw = true;
 }
 
+void Stream::setReverseVideo(bool reverse) {
+	if (_writable && g_conf->_styleHint)
+		Windows::_forceRedraw = true;
+}
+
 /*--------------------------------------------------------------------------*/
 
 void WindowStream::close(StreamResult *result) {
@@ -283,6 +288,17 @@ void WindowStream::setZColors(glui32 fg, glui32 bg) {
 		_window->_echoStream->setZColors(fg, bg);
 }
 
+void WindowStream::setReverseVideo(bool reverse) {
+	if (!_writable || !g_conf->_styleHint)
+		return;
+
+	_window->_attr.reverse = reverse;
+	if (_window->_echoStream)
+		_window->_echoStream->setReverseVideo(reverse);
+
+	Windows::_forceRedraw = true;
+}
+
 /*--------------------------------------------------------------------------*/
 
 MemoryStream::MemoryStream(Streams *streams, void *buf, size_t buflen, FileMode mode, uint32 rock, bool unicode) :
diff --git a/engines/gargoyle/streams.h b/engines/gargoyle/streams.h
index ac2503220f..c8b69631a0 100644
--- a/engines/gargoyle/streams.h
+++ b/engines/gargoyle/streams.h
@@ -262,6 +262,11 @@ public:
 	 * Set the style colors
 	 */
 	virtual void setZColors(glui32 fg, glui32 bg);
+
+	/**
+	 * Set the reverse video style
+	 */
+	virtual void setReverseVideo(bool reverse);
 };
 typedef Stream *strid_t;
 
@@ -324,6 +329,11 @@ public:
 	 * Set the style colors
 	 */
 	virtual void setZColors(glui32 fg, glui32 bg) override;
+
+	/**
+	 * Set the reverse video style
+	 */
+	virtual void setReverseVideo(bool reverse) override;
 };
 
 /**