Refresh by emitting events

This decouples drivers from the rest of the application, in particular the
horrible situation where they were working with the canvas directly, by having
them always communicate changes by emitting events.

1 files changed, 8 insertions, 0 deletions

diff --git a/src/PatchageCanvas.hpp b/src/PatchageCanvas.hpp
index 0debcf8..073b3fb 100644
--- a/src/PatchageCanvas.hpp
+++ b/src/PatchageCanvas.hpp
@@ -36,6 +36,7 @@ PATCHAGE_RESTORE_WARNINGS
 #include <string>
 #include <utility>
 
+class Patchage;
 class PatchageModule;
 class PatchagePort;
 class Connector;
@@ -45,6 +46,13 @@ class PatchageCanvas : public Ganv::Canvas
 public:
 	PatchageCanvas(Connector& connector, int width, int height);
 
+	PatchageModule* create_module(Patchage&         patchage,
+	                              const ClientID&   id,
+	                              const ClientInfo& info);
+
+	PatchagePort*
+	create_port(Patchage& patchage, const PortID& id, const PortInfo& info);
+
 	PatchageModule* find_module(const ClientID& id, SignalDirection type);
 	PatchagePort*   find_port(const PortID& id);