1 /*
2  * Copyright (C) 2009-2011 Carl Hetherington <carl@carlh.net>
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; either version 2 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License along
15  * with this program; if not, write to the Free Software Foundation, Inc.,
16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
17  */
18 
19 #ifndef __port_matrix_column_labels_h__
20 #define __port_matrix_column_labels_h__
21 
22 #include <boost/shared_ptr.hpp>
23 #include "port_matrix_labels.h"
24 
25 namespace ARDOUR {
26 	class Bundle;
27 	class BundleChannel;
28 }
29 
30 class PortMatrixNode;
31 
32 /** The column labels part of the port matrix */
33 class PortMatrixColumnLabels : public PortMatrixLabels
34 {
35 public:
36 	PortMatrixColumnLabels (PortMatrix *, PortMatrixBody *);
37 
38 	void button_press (double, double, GdkEventButton *);
39 
40 	double component_to_parent_x (double x) const;
41 	double parent_to_component_x (double x) const;
42 	double component_to_parent_y (double y) const;
43 	double parent_to_component_y (double y) const;
44 	void mouseover_changed (std::list<PortMatrixNode> const &);
45 	void motion (double, double);
46 
overhang()47 	uint32_t overhang () const {
48 		return _overhang;
49 	}
50 
51 private:
52 	void render_bundle_name (cairo_t *, Gdk::Color, Gdk::Color, double, double, boost::shared_ptr<ARDOUR::Bundle>);
53 	void render_channel_name (cairo_t *, Gdk::Color, Gdk::Color, double, double, ARDOUR::BundleChannel const &);
54 	double channel_x (ARDOUR::BundleChannel const &) const;
55 	double channel_y (ARDOUR::BundleChannel const &) const;
56 	void queue_draw_for (ARDOUR::BundleChannel const &);
57 	ARDOUR::BundleChannel position_to_channel (double, double, boost::shared_ptr<const PortGroup>) const;
58 
59 	void render (cairo_t *);
60 	void compute_dimensions ();
61 	double basic_text_x_pos (int) const;
62 	std::vector<std::pair<double, double> > port_name_shape (double, double) const;
63 
64 	double _longest_bundle_name;
65 	double _longest_channel_name;
66 	double _text_height;
67 	double _descender_height;
68 	uint32_t _overhang;
69 };
70 
71 #endif
72