partial patch/partial by-hand merge of 2.X commits 3169&3170 to 3.X codebase

git-svn-id: svn://localhost/ardour2/branches/3.0@4300 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 90 insertions, 0 deletions

diff --git a/gtk2_ardour/port_group.h b/gtk2_ardour/port_group.h
new file mode 100644
index 0000000000..d5334640b1
--- /dev/null
+++ b/gtk2_ardour/port_group.h
@@ -0,0 +1,90 @@
+#ifndef  __gtk_ardour_port_group_h__ 
+#define  __gtk_ardour_port_group_h__ 
+
+#include <vector>
+#include <string>
+
+#include <gtkmm/widget.h>
+#include <gtkmm/checkbutton.h>
+
+#include <ardour/data_type.h>
+
+namespace ARDOUR {
+	class Session;
+	class IO;
+	class PortInsert;
+}
+
+class PortMatrix;
+
+/// A list of port names, grouped by some aspect of their type e.g. busses, tracks, system
+class PortGroup
+{
+  public:
+	/** PortGroup constructor.
+	 * @param n Name.
+	 * @param p Port name prefix.
+	 * @param v true if group should be visible in the UI, otherwise false.
+	 */
+	PortGroup (std::string const & n, std::string const & p, bool v) : name (n), prefix (p), visible (v) {}
+
+	void add (std::string const & p);
+
+	std::string name; ///< name for the group
+	std::string prefix; ///< prefix (before colon) e.g. "ardour:"
+	std::vector<std::string> ports; ///< port names
+	bool visible; ///< true if the group is visible in the UI
+};
+
+/// The UI for a PortGroup
+class PortGroupUI
+{
+  public:
+	PortGroupUI (PortMatrix&, PortGroup&);
+
+	Gtk::Widget& get_visibility_checkbutton ();
+	PortGroup& port_group () { return _port_group; }
+	void setup_visibility ();
+
+  private:
+	void port_checkbutton_toggled (Gtk::CheckButton*, int, int);
+	bool port_checkbutton_release (GdkEventButton* ev, Gtk::CheckButton* b, int r, int c);
+	void visibility_checkbutton_toggled ();
+
+	PortMatrix& _port_matrix; ///< the PortMatrix that we are working for
+	PortGroup& _port_group; ///< the PortGroup that we are representing
+	bool _ignore_check_button_toggle;
+	Gtk::CheckButton _visibility_checkbutton;
+};
+
+/// A list of PortGroups
+class PortGroupList : public std::list<PortGroup*>
+{
+  public:
+	enum Mask {
+		BUSS = 0x1,
+		TRACK = 0x2,
+		SYSTEM = 0x4,
+		OTHER = 0x8
+	};
+
+	PortGroupList (ARDOUR::Session &, ARDOUR::DataType, bool, Mask);
+
+	void refresh ();
+	int n_visible_ports () const;
+	std::string get_port_by_index (int, bool with_prefix = true) const;
+	void set_type (ARDOUR::DataType);
+	void set_offer_inputs (bool);
+	
+  private:
+	ARDOUR::Session& _session;
+	ARDOUR::DataType _type;
+	bool _offer_inputs;
+
+	PortGroup buss;
+	PortGroup track;
+	PortGroup system;
+	PortGroup other;
+};
+
+#endif /* __gtk_ardour_port_group_h__ */