X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fardour%2Fprogress.h;h=79043a31eef3549c963deffe9735f0204cc6ebca;hb=6bd583803ea1daf19a1c088766122b5cdf340171;hp=891af22059476e2a401175d84a56ca2bfca86c84;hpb=ac34829f3b46c7f7ded7f2b2164ae37d1b8bf8ab;p=ardour.git

diff --git a/libs/ardour/ardour/progress.h b/libs/ardour/ardour/progress.h
index 891af22059..79043a31ee 100644
--- a/libs/ardour/ardour/progress.h
+++ b/libs/ardour/ardour/progress.h
@@ -17,12 +17,17 @@
 
 */
 
+#ifndef __ardour_progress_h__
+#define __ardour_progress_h__
+
 #include <list>
 
+#include "ardour/libardour_visibility.h"
+
 namespace ARDOUR {
 
-/** A class to handle reporting of progress of something */	
-class Progress
+/** A class to handle reporting of progress of something */
+class LIBARDOUR_API Progress
 {
 public:
 	Progress ();
@@ -32,6 +37,11 @@ public:
 	void ascend ();
 	void descend (float);
 
+	bool cancelled () const;
+
+protected:
+	void cancel ();
+
 private:
 	/** Report overall progress.
 	 *  @param p Current progress (from 0 to 1)
@@ -40,12 +50,15 @@ private:
 
 	struct Level {
 		Level (float a) : allocation (a), normalised (0) {}
-		
+
 		float allocation;
 		float normalised;
 	};
 
 	std::list<Level> _stack;
+	bool _cancelled;
 };
 
 }
+
+#endif