X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Fardour_knob.h;h=f3291270cc6e2cad4c8b5fe8075ae63a445a1267;hb=af2ee3c8564c7d60cadb130b8c7ad1f4cddd2216;hp=3a9c2bd7ff726a16764500a20417feac7d063a95;hpb=a7226133a990afa294339ffa735f9dee8eff97e4;p=ardour.git

diff --git a/gtk2_ardour/ardour_knob.h b/gtk2_ardour/ardour_knob.h
index 3a9c2bd7ff..f3291270cc 100644
--- a/gtk2_ardour/ardour_knob.h
+++ b/gtk2_ardour/ardour_knob.h
@@ -25,9 +25,26 @@
 #include <gtkmm/action.h>
 
 #include "pbd/signals.h"
+#include "ardour/automatable.h"
+
 #include "gtkmm2ext/binding_proxy.h"
 #include "gtkmm2ext/activatable.h"
 #include "gtkmm2ext/cairo_widget.h"
+#include "gtkmm2ext/persistent_tooltip.h"
+
+class KnobPersistentTooltip : public Gtkmm2ext::PersistentTooltip
+{
+public:
+	KnobPersistentTooltip (Gtk::Widget* w);
+
+	void start_drag ();
+	void stop_drag ();
+	bool dragging () const;
+
+private:
+	bool _dragging;
+};
+
 
 class ArdourKnob : public CairoWidget , public Gtkmm2ext::Activatable
 {
@@ -42,7 +59,13 @@ public:
 		unused5 = 0x20,
 	};
 
-	ArdourKnob (Element e = default_elements);
+	enum Flags {
+		NoFlags = 0,
+		Detent = 0x1,
+		ArcToZero = 0x2,
+	};
+
+	ArdourKnob (Element e = default_elements, Flags flags = NoFlags);
 	virtual ~ArdourKnob ();
 
 	void set_active_state (Gtkmm2ext::ActiveState);
@@ -53,6 +76,8 @@ public:
 	void add_elements (Element);
 	static Element default_elements;
 
+	void set_tooltip_prefix (std::string pfx) { _tooltip_prefix = pfx; controllable_changed (true); }
+
 	boost::shared_ptr<PBD::Controllable> get_controllable() { return binding_proxy.get_controllable(); }
  	void set_controllable (boost::shared_ptr<PBD::Controllable> c);
 
@@ -64,7 +89,7 @@ public:
 	void color_handler ();
 
   protected:
-	void render (cairo_t *, cairo_rectangle_t *);
+	void render (Cairo::RefPtr<Cairo::Context> const&, cairo_rectangle_t*);
 	void on_size_request (Gtk::Requisition* req);
 	void on_size_allocate (Gtk::Allocation&);
 	void on_style_changed (const Glib::RefPtr<Gtk::Style>&);
@@ -74,23 +99,30 @@ public:
 	bool on_focus_in_event (GdkEventFocus*);
 	bool on_focus_out_event (GdkEventFocus*);
 
-	void controllable_changed ();
+	void controllable_changed (bool force_update = false);
 	PBD::ScopedConnection watch_connection;
 
 
   private:
-	Element                     _elements;
-
-	BindingProxy                binding_proxy;
+	Element _elements;
+	BindingProxy binding_proxy;
 
 	bool _hovering;
+	float _grabbed_x;
 	float _grabbed_y;
 
-	float _val;  //percent of knob travel
+	float _val; // current value [0..1]
+	float _normal; // default value, arc
+	float _dead_zone_delta;
+
+	Flags _flags;
 
 	void action_sensitivity_changed ();
 	void action_visibility_changed ();
 	void action_tooltip_changed ();
+
+	std::string _tooltip_prefix;
+	KnobPersistentTooltip _tooltip;
 };
 
 #endif /* __gtk2_ardour_ardour_knob_h__ */