X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fdevice%2Fdevinst.h;h=9098027eb84e0674da978a65c38e67df3485c36f;hp=073813f2f7d1d03f418c05b07952ecc63fe784c4;hb=996b7c9da9b5cb56413e829217e1e7d7d7d520da;hpb=945745012eb57cefa1ef457daf48cfffa99f9ec2

diff --git a/pv/device/devinst.h b/pv/device/devinst.h
index 073813f2..9098027e 100644
--- a/pv/device/devinst.h
+++ b/pv/device/devinst.h
@@ -36,18 +36,28 @@ struct sr_probe;
 struct sr_probe_group;
 
 namespace pv {
+
+class SigSession;
+
 namespace device {
 
 class DevInst : public QObject
 {
 	Q_OBJECT
 
-public:
+protected:
 	DevInst(sr_dev_inst *sdi);
 
+public:
 	sr_dev_inst* dev_inst() const;
 
-	std::string format_device_title() const;
+	void use(SigSession *owner);
+
+	void release();
+
+	SigSession* owner() const;
+
+	virtual std::string format_device_title() const = 0;
 
 	GVariant* get_config(const sr_probe_group *group, int key);
 
@@ -68,8 +78,9 @@ public:
 signals:
 	void config_changed();
 
-private:
+protected:
 	sr_dev_inst *const _sdi;
+	SigSession *_owner;
 };
 
 } // device