From 2690f9ceb82537e921a33410f55bbdc065a872e1 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Sun, 9 Jun 2013 16:54:57 +0000
Subject: 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
---
 ganv/Canvas.hpp | 1 +
 ganv/canvas.h   | 8 ++++++++
 src/Canvas.cpp  | 6 ++++++
 3 files changed, 15 insertions(+)

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
@@ -165,6 +165,14 @@ ganv_canvas_for_each_selected_node(GanvCanvas*  canvas,
                                    GanvNodeFunc f,
                                    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.
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,
-- 
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