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>
29 /** One component of the PortMatrix. This is a cairo-rendered
32 class PortMatrixComponent
35 PortMatrixComponent (PortMatrix *, PortMatrixBody *);
36 virtual ~PortMatrixComponent ();
38 virtual double component_to_parent_x (double x) const = 0;
39 virtual double parent_to_component_x (double x) const = 0;
40 virtual double component_to_parent_y (double y) const = 0;
41 virtual double parent_to_component_y (double y) const = 0;
42 virtual void mouseover_changed (PortMatrixNode const &) = 0;
43 virtual void draw_extra (cairo_t *) = 0;
45 void set_show_ports (bool);
47 GdkPixmap* get_pixmap (GdkDrawable *);
48 std::pair<uint32_t, uint32_t> dimensions ();
50 void require_render () {
51 _render_required = true;
54 void require_rebuild () {
55 _dimension_computation_required = true;
56 _render_required = true;
59 void set_parent_rectangle (Gdk::Rectangle const & r) {
60 _parent_rectangle = r;
63 Gdk::Rectangle parent_rectangle () const {
64 return _parent_rectangle;
67 /** @return width of columns in the grid */
68 static uint32_t column_width () {
72 /** @return height of rows in the grid */
73 static uint32_t row_height () {
79 /** @return width of borders drawn around labels */
80 static uint32_t label_border_width () {
84 /** @return padding between a name and the nearest line */
85 static uint32_t name_pad () {
89 /** @return width of thin lines in the grid */
90 static uint32_t thin_grid_line_width () {
94 /** @return width of thick lines in the grid */
95 static uint32_t thick_grid_line_width () {
99 /** @return space around the connection indicator */
100 static uint32_t connection_indicator_pad () {
104 static uint32_t mouseover_line_width () {
108 /** @return angle of column labels, in radians */
109 static double angle () {
113 /* XXX I guess these colours should come from a theme, or something */
115 /** @return background colour */
116 static Gdk::Color background_colour () {
117 return Gdk::Color ("#000000");
120 /** @return text colour */
121 static Gdk::Color text_colour () {
122 return Gdk::Color ("#ffffff");
125 /** @return grid line colour */
126 static Gdk::Color grid_colour () {
127 return Gdk::Color ("#333333");
130 /** @return colour of association blobs */
131 static Gdk::Color association_colour () {
132 return Gdk::Color ("#00ff00");
135 /** @return colour to paint grid squares when they can't be associated */
136 static Gdk::Color unknown_colour () {
137 return Gdk::Color ("#cccccc");
140 /** @return colour to paint mouseover lines */
141 static Gdk::Color mouseover_line_colour () {
142 return Gdk::Color ("#ff0000");
145 /** @return colour to paint channel highlights */
146 static Gdk::Color highlighted_channel_colour () {
147 return Gdk::Color ("#777777");
151 static Gdk::Color get_a_bundle_colour (int x) {
153 return Gdk::Color ("#547027");
155 return Gdk::Color ("#3552a6");
160 static Gdk::Color get_a_group_colour (int x) {
162 return Gdk::Color ("#222222");
164 return Gdk::Color ("#444444");
168 void set_source_rgb (cairo_t *, Gdk::Color const &);
169 void set_source_rgba (cairo_t *, Gdk::Color const &, double);
170 std::pair<std::string, double> display_port_name (cairo_t*, std::string const &, double) const;
172 /** Render the complete component to a cairo context. */
173 virtual void render (cairo_t *) = 0;
174 /** Compute any required dimensions. This must set up
175 * _width and _height.
177 virtual void compute_dimensions () = 0;
180 PortMatrixBody* _body; ///< the PortMatrixBody that we're in
181 uint32_t _width; ///< full width of the contents
182 uint32_t _height; ///< full height of the contents
183 Gdk::Rectangle _parent_rectangle;
186 GdkPixmap* _pixmap; ///< pixmap
187 bool _render_required; ///< true if the rendered pixmap is out of date
188 bool _dimension_computation_required; ///< true if the dimensions are out of date