gtk2_ardour/port_matrix_column_labels.h

   1 /*
   2     Copyright (C) 2002-2009 Paul Davis
   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
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #ifndef __port_matrix_column_labels_h__
  21 #define __port_matrix_column_labels_h__
  22
  23 #include <boost/shared_ptr.hpp>
  24 #include "port_matrix_labels.h"
  25
  26 namespace ARDOUR {
  27         class Bundle;
  28         class BundleChannel;
  29 }
  30
  31 class PortMatrixNode;
  32
  33 /** The column labels part of the port matrix */
  34 class PortMatrixColumnLabels : public PortMatrixLabels
  35 {
  36 public:
  37         PortMatrixColumnLabels (PortMatrix *, PortMatrixBody *);
  38
  39         void button_press (double, double, int, uint32_t, guint);
  40
  41         double component_to_parent_x (double x) const;
  42         double parent_to_component_x (double x) const;
  43         double component_to_parent_y (double y) const;
  44         double parent_to_component_y (double y) const;
  45         void mouseover_changed (std::list<PortMatrixNode> const &);
  46         void motion (double, double);
  47
  48         uint32_t overhang () const {
  49                 return _overhang;
  50         }
  51
  52 private:
  53         void render_bundle_name (cairo_t *, Gdk::Color, Gdk::Color, double, double, boost::shared_ptr<ARDOUR::Bundle>);
  54         void render_channel_name (cairo_t *, Gdk::Color, Gdk::Color, double, double, ARDOUR::BundleChannel const &);
  55         double channel_x (ARDOUR::BundleChannel const &) const;
  56         double channel_y (ARDOUR::BundleChannel const &) const;
  57         void queue_draw_for (ARDOUR::BundleChannel const &);
  58         ARDOUR::BundleChannel position_to_channel (double, double, boost::shared_ptr<const PortGroup>) const;
  59
  60         void render (cairo_t *);
  61         void compute_dimensions ();
  62         double basic_text_x_pos (int) const;
  63         std::vector<std::pair<double, double> > port_name_shape (double, double) const;
  64
  65         double _longest_bundle_name;
  66         double _longest_channel_name;
  67         double _text_height;
  68         double _descender_height;
  69         uint32_t _overhang;
  70 };
  71
  72 #endif