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livetrax/gtk2_ardour/port_matrix_body.h

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/*
* Copyright (C) 2009 Carl Hetherington <carl@carlh.net>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __gtk_ardour_port_matrix_body_h__
#define __gtk_ardour_port_matrix_body_h__
#include <gtkmm/eventbox.h>
#include "port_group.h"
#include "port_matrix_types.h"
class PortMatrix;
class PortMatrixColumnLabels;
class PortMatrixRowLabels;
class PortMatrixGrid;
class PortMatrixComponent;
/** The main body of the port matrix. It is made up of three parts:
* column labels, grid and row labels, each drawn using cairo.
*/
class PortMatrixBody : public Gtk::EventBox
{
public:
PortMatrixBody (PortMatrix *);
~PortMatrixBody ();
void setup ();
uint32_t full_scroll_width ();
uint32_t alloc_scroll_width ();
uint32_t full_scroll_height ();
uint32_t alloc_scroll_height ();
uint32_t xoffset () const {
return _xoffset;
}
void set_xoffset (uint32_t);
uint32_t yoffset () const {
return _yoffset;
}
void set_yoffset (uint32_t);
void rebuild_and_draw_grid ();
void set_mouseover (PortMatrixNode const &);
void set_mouseover (std::list<PortMatrixNode> const &);
std::list<PortMatrixNode> mouseover () const {
return _mouseover;
}
void highlight_associated_channels (int, ARDOUR::BundleChannel);
void component_size_changed ();
std::pair<uint32_t, uint32_t> max_size () const;
uint32_t column_labels_border_x () const;
uint32_t column_labels_height () const;
sigc::signal<void> DimensionsChanged;
protected:
bool on_expose_event (GdkEventExpose *);
void on_size_request (Gtk::Requisition *);
void on_size_allocate (Gtk::Allocation &);
bool on_button_press_event (GdkEventButton *);
bool on_button_release_event (GdkEventButton *);
bool on_leave_notify_event (GdkEventCrossing *);
bool on_motion_notify_event (GdkEventMotion *);
private:
void compute_rectangles ();
void rebuild_and_draw_column_labels ();
void rebuild_and_draw_row_labels ();
void update_bundles ();
void set_cairo_clip (cairo_t *, Gdk::Rectangle const &) const;
PortMatrix* _matrix;
PortMatrixColumnLabels* _column_labels;
PortMatrixRowLabels* _row_labels;
PortMatrixGrid* _grid;
std::list<PortMatrixComponent*> _components;
uint32_t _alloc_width; ///< allocated width
uint32_t _alloc_height; ///< allocated height
uint32_t _xoffset;
uint32_t _yoffset;
uint32_t _column_labels_border_x;
uint32_t _column_labels_height;
std::list<PortMatrixNode> _mouseover;
bool _ignore_component_size_changed;
PBD::ScopedConnectionList _bundle_connections;
};
#endif