get_screen_position() added

2 files changed, 13 insertions, 0 deletions

diff --git a/platform/x11/os_x11.cpp b/platform/x11/os_x11.cpp
index e20d0731e1..01d62f333d 100644
--- a/platform/x11/os_x11.cpp
+++ b/platform/x11/os_x11.cpp
@@ -561,7 +561,19 @@ int OS_X11::get_screen_count() const {
 	return XScreenCount(x11_display);
 }
 
+Point2 OS_X11::get_screen_position(int p_screen) const {
+	if( p_screen >= XScreenCount(x11_display) )
+		return Point2i(0,0);
+
+	Window root = XRootWindow(x11_display, p_screen);
+	XWindowAttributes xwa;
+	XGetWindowAttributes(x11_display, root, &xwa);
+	return Point2i(xwa.x, xwa.y);
+}
+
 Size2 OS_X11::get_screen_size(int p_screen) const {
+	if( p_screen >= XScreenCount(x11_display) )
+		return Size2i(0,0);
 	Window root = XRootWindow(x11_display, p_screen);
 	XWindowAttributes xwa;
 	XGetWindowAttributes(x11_display, root, &xwa);
diff --git a/platform/x11/os_x11.h b/platform/x11/os_x11.h
index 4aca996fdc..ca35bf2c0a 100644
--- a/platform/x11/os_x11.h
+++ b/platform/x11/os_x11.h
@@ -221,6 +221,7 @@ public:
 
 #ifdef EXPERIMENTAL_WM_API
 	virtual int get_screen_count() const;
+	virtual Point2 get_screen_position(int p_screen=0) const;
 	virtual Size2 get_screen_size(int p_screen=0) const;
 	virtual Point2 get_window_position() const;
 	virtual void set_window_position(const Point2& p_position);