Fix compilation with --jack-dbus (#917).

I don't know why I maintain this or what the point of it is...


git-svn-id: http://svn.drobilla.net/lad/trunk/ganv@5141 a436a847-0d15-0410-975c-d299462d15a1

3 files changed, 15 insertions, 0 deletions

diff --git a/ganv/Canvas.hpp b/ganv/Canvas.hpp
index bee0b22..7b71642 100644
--- a/ganv/Canvas.hpp
+++ b/ganv/Canvas.hpp
@@ -71,6 +71,7 @@ public:
 	METHOD2(ganv_canvas, resize, double, width, double, height);
 	METHOD2(ganv_canvas, for_each_node, GanvNodeFunc, f, void*, data)
 	METHOD2(ganv_canvas, for_each_selected_node, GanvNodeFunc, f, void*, data)
+	METHODRET0(ganv_canvas, gboolean, empty)
 
 	METHOD3(ganv_canvas, for_each_edge_from,
 	        const GanvNode*, tail,
diff --git a/ganv/canvas.h b/ganv/canvas.h
index 6d946f4..b569eeb 100644
--- a/ganv/canvas.h
+++ b/ganv/canvas.h
@@ -166,6 +166,14 @@ ganv_canvas_for_each_selected_node(GanvCanvas*  canvas,
                                    void*        data);
 
 /**
+ * ganv_canvas_empty:
+
+ * Return value: True if there are no items on the canvas.
+ */
+gboolean
+ganv_canvas_empty(const GanvCanvas* canvas);
+
+/**
  * ganv_canvas_for_each_edge:
  * @canvas: The canvas.
  * @f: (scope call): A function to call on every edge on @canvas.
diff --git a/src/Canvas.cpp b/src/Canvas.cpp
index e028b26..7111e1a 100644
--- a/src/Canvas.cpp
+++ b/src/Canvas.cpp
@@ -2037,6 +2037,12 @@ ganv_canvas_for_each_selected_node(GanvCanvas*  canvas,
 	}
 }
 
+gboolean
+ganv_canvas_empty(const GanvCanvas* canvas)
+{
+	return canvas->impl->_items.empty();
+}
+
 void
 ganv_canvas_for_each_edge_from(GanvCanvas*     canvas,
                                const GanvNode* tail,