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livetrax/gtk2_ardour/port_matrix.h

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/*
Copyright (C) 2002-2007 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ardour_ui_port_matrix_h__
#define __ardour_ui_port_matrix_h__
#include <gtkmm/box.h>
#include <gtkmm/checkbutton.h>
#include <gtkmm/table.h>
#include <gtkmm/frame.h>
#include <gtkmm/eventbox.h>
#include <gtkmm/scrolledwindow.h>
#include "ardour_dialog.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_table ();
Gtk::Widget& get_visibility_checkbutton ();
std::pair<int, int> unit_size () const;
PortGroup& port_group () { return _port_group; }
void setup_visibility ();
private:
void port_checkbutton_toggled (Gtk::CheckButton*, int, int);
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::Table _table;
Gtk::EventBox _table_box;
std::vector<std::vector<Gtk::CheckButton* > > _port_checkbuttons;
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;
};
/// A widget which provides a set of rotated text labels
class RotatedLabelSet : public Gtk::Widget {
public:
RotatedLabelSet (PortGroupList&);
virtual ~RotatedLabelSet ();
void set_angle (int);
void set_base_width (int);
void update_visibility ();
protected:
virtual void on_size_request (Gtk::Requisition*);
virtual void on_size_allocate (Gtk::Allocation&);
virtual void on_realize ();
virtual void on_unrealize ();
virtual bool on_expose_event (GdkEventExpose*);
Glib::RefPtr<Gdk::Window> _gdk_window;
private:
std::pair<int, int> setup_layout (std::string const &);
PortGroupList& _port_group_list; ///< list of ports to display
int _angle_degrees; ///< label rotation angle in degrees
double _angle_radians; ///< label rotation angle in radians
int _base_width; ///< width of labels; see set_base_width() for more details
Glib::RefPtr<Pango::Context> _pango_context;
Glib::RefPtr<Pango::Layout> _pango_layout;
Glib::RefPtr<Gdk::GC> _gc;
Gdk::Color _fg_colour;
Gdk::Color _bg_colour;
};
class PortMatrix : public Gtk::VBox {
public:
PortMatrix (ARDOUR::Session&, ARDOUR::DataType, bool, PortGroupList::Mask);
~PortMatrix ();
void redisplay ();
enum Result {
Cancelled,
Accepted
};
sigc::signal<void, Result> Finished;
void set_type (ARDOUR::DataType);
void set_offer_inputs (bool);
virtual void set_state (int, std::string const &, bool) = 0;
virtual bool get_state (int, std::string const &) const = 0;
virtual uint32_t n_rows () const = 0;
virtual uint32_t maximum_rows () const = 0;
virtual uint32_t minimum_rows () const = 0;
virtual std::string row_name (int) const = 0;
virtual void add_row () = 0;
virtual void remove_row (int) = 0;
virtual std::string row_descriptor () const = 0;
protected:
bool _offer_inputs;
private:
void setup ();
void clear ();
void setup_dimensions ();
bool row_label_button_pressed (GdkEventButton*, int);
PortGroupList _port_group_list;
ARDOUR::DataType _type;
std::vector<PortGroupUI*> _port_group_ui;
std::vector<Gtk::EventBox*> _row_labels[2];
Gtk::VBox* _row_labels_vbox[2];
RotatedLabelSet _column_labels;
Gtk::HBox _overall_hbox;
Gtk::VBox _side_vbox[2];
Gtk::HBox _port_group_hbox;
Gtk::ScrolledWindow _scrolled_window;
Gtk::Label* _side_vbox_pad[2];
Gtk::HBox _visibility_checkbutton_box;
};
#endif