2 Copyright (C) 2002-2009 Paul Davis
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.
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.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __gtk_ardour_port_matrix_component_h__
21 #define __gtk_ardour_port_matrix_component_h__
23 #include <gtkmm/eventbox.h>
28 /** One component of the PortMatrix. This is a cairo-rendered
31 class PortMatrixComponent
34 PortMatrixComponent (PortMatrixBody *);
35 virtual ~PortMatrixComponent ();
37 virtual double component_to_parent_x (double x) const = 0;
38 virtual double parent_to_component_x (double x) const = 0;
39 virtual double component_to_parent_y (double y) const = 0;
40 virtual double parent_to_component_y (double y) const = 0;
41 virtual void mouseover_changed (PortMatrixNode const &) = 0;
42 virtual void draw_extra (cairo_t *) = 0;
45 GdkPixmap* get_pixmap (GdkDrawable *);
46 std::pair<uint32_t, uint32_t> dimensions ();
48 void require_render () {
49 _render_required = true;
52 void require_rebuild () {
53 _dimension_computation_required = true;
54 _render_required = true;
57 void set_parent_rectangle (Gdk::Rectangle const & r) {
58 _parent_rectangle = r;
61 Gdk::Rectangle parent_rectangle () const {
62 return _parent_rectangle;
65 /** @return width of columns in the grid */
66 static uint32_t column_width () {
70 /** @return height of rows in the grid */
71 static uint32_t row_height () {
77 /** @return width of borders drawn around labels */
78 static uint32_t label_border_width () {
82 /** @return padding between a name and the nearest line */
83 static uint32_t name_pad () {
87 /** @return width of thin lines in the grid */
88 static uint32_t thin_grid_line_width () {
92 /** @return width of thick lines in the grid */
93 static uint32_t thick_grid_line_width () {
97 /** @return space around the connection indicator */
98 static uint32_t connection_indicator_pad () {
102 static uint32_t mouseover_line_width () {
106 /** @return angle of column labels, in radians */
107 static double angle () {
111 /* XXX I guess these colours should come from a theme, or something */
113 /** @return background colour */
114 static Gdk::Color background_colour () {
115 return Gdk::Color ("#000000");
118 /** @return text colour */
119 static Gdk::Color text_colour () {
120 return Gdk::Color ("#ffffff");
123 /** @return grid line colour */
124 static Gdk::Color grid_colour () {
125 return Gdk::Color ("#333333");
128 /** @return colour of association blobs */
129 static Gdk::Color association_colour () {
130 return Gdk::Color ("#00ff00");
133 /** @return colour to paint grid squares when they can't be associated */
134 static Gdk::Color unknown_colour () {
135 return Gdk::Color ("#cccccc");
138 /** @return colour to paint mouseover lines */
139 static Gdk::Color mouseover_line_colour () {
140 return Gdk::Color ("#ff0000");
143 /** @return colour to paint mouseover lines */
144 static Gdk::Color mouseover_port_colour () {
145 return Gdk::Color ("#777777");
149 static Gdk::Color get_a_bundle_colour (int x) {
151 return Gdk::Color ("#547027");
153 return Gdk::Color ("#3552a6");
158 static Gdk::Color get_a_group_colour (int x) {
160 return Gdk::Color ("#222222");
162 return Gdk::Color ("#444444");
166 void set_source_rgb (cairo_t *, Gdk::Color const &);
167 void set_source_rgba (cairo_t *, Gdk::Color const &, double);
168 std::pair<std::string, double> display_port_name (cairo_t*, std::string const &, double) const;
170 /** Render the complete component to a cairo context. */
171 virtual void render (cairo_t *) = 0;
172 /** Compute any required dimensions. This must set up
173 * _width and _height.
175 virtual void compute_dimensions () = 0;
177 PortMatrixBody* _body; ///< the PortMatrixBody that we're in
178 uint32_t _width; ///< full width of the contents
179 uint32_t _height; ///< full height of the contents
180 Gdk::Rectangle _parent_rectangle;
183 GdkPixmap* _pixmap; ///< pixmap
184 bool _render_required; ///< true if the rendered pixmap is out of date
185 bool _dimension_computation_required; ///< true if the dimensions are out of date