gtk2_ardour/mixer_group_tabs.cc

   1 /*
   2     Copyright (C) 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 #include "ardour/route_group.h"
  21 #include "ardour/session.h"
  22 #include "mixer_group_tabs.h"
  23 #include "mixer_strip.h"
  24 #include "mixer_ui.h"
  25 #include "utils.h"
  26 #include "i18n.h"
  27 #include "route_group_dialog.h"
  28
  29 using namespace std;
  30 using namespace Gtk;
  31 using namespace ARDOUR;
  32 using namespace PBD;
  33
  34 MixerGroupTabs::MixerGroupTabs (Mixer_UI* m)
  35         : _mixer (m)
  36 {
  37
  38 }
  39
  40
  41 list<GroupTabs::Tab>
  42 MixerGroupTabs::compute_tabs () const
  43 {
  44         list<Tab> tabs;
  45
  46         Tab tab;
  47         tab.from = 0;
  48         tab.group = 0;
  49
  50         int32_t x = 0;
  51         TreeModel::Children rows = _mixer->track_model->children ();
  52         for (TreeModel::Children::iterator i = rows.begin(); i != rows.end(); ++i) {
  53
  54                 MixerStrip* s = (*i)[_mixer->track_columns.strip];
  55
  56                 if (s->route()->is_master() || s->route()->is_monitor() || !s->marked_for_display()) {
  57                         continue;
  58                 }
  59
  60                 RouteGroup* g = s->route_group ();
  61
  62                 if (g != tab.group) {
  63                         if (tab.group) {
  64                                 tab.to = x;
  65                                 tabs.push_back (tab);
  66                         }
  67
  68                         tab.from = x;
  69                         tab.group = g;
  70                         tab.colour = s->color ();
  71                 }
  72
  73                 x += s->get_width ();
  74         }
  75
  76         if (tab.group) {
  77                 tab.to = x;
  78                 tabs.push_back (tab);
  79         }
  80
  81         return tabs;
  82 }
  83
  84 void
  85 MixerGroupTabs::draw_tab (cairo_t* cr, Tab const & tab) const
  86 {
  87         double const arc_radius = _height;
  88
  89         if (tab.group && tab.group->is_active()) {
  90                 cairo_set_source_rgba (cr, tab.colour.get_red_p (), tab.colour.get_green_p (), tab.colour.get_blue_p (), 1);
  91         } else {
  92                 cairo_set_source_rgba (cr, 1, 1, 1, 0.2);
  93         }
  94
  95         cairo_arc (cr, tab.from + arc_radius, _height, arc_radius, M_PI, 3 * M_PI / 2);
  96         cairo_line_to (cr, tab.to - arc_radius, 0);
  97         cairo_arc (cr, tab.to - arc_radius, _height, arc_radius, 3 * M_PI / 2, 2 * M_PI);
  98         cairo_line_to (cr, tab.from, _height);
  99         cairo_fill (cr);
 100
 101         if (tab.group) {
 102                 pair<string, double> const f = fit_to_pixels (cr, tab.group->name(), tab.to - tab.from - arc_radius * 2);
 103
 104                 cairo_text_extents_t ext;
 105                 cairo_text_extents (cr, tab.group->name().c_str(), &ext);
 106
 107                 cairo_set_source_rgb (cr, 1, 1, 1);
 108                 cairo_move_to (cr, tab.from + (tab.to - tab.from - f.second) / 2, _height - ext.height / 2);
 109                 cairo_save (cr);
 110                 cairo_show_text (cr, f.first.c_str());
 111                 cairo_restore (cr);
 112         }
 113 }
 114
 115 double
 116 MixerGroupTabs::primary_coordinate (double x, double) const
 117 {
 118         return x;
 119 }
 120
 121 RouteList
 122 MixerGroupTabs::routes_for_tab (Tab const * t) const
 123 {
 124         RouteList routes;
 125         int32_t x = 0;
 126
 127         TreeModel::Children rows = _mixer->track_model->children ();
 128         for (TreeModel::Children::iterator i = rows.begin(); i != rows.end(); ++i) {
 129
 130                 MixerStrip* s = (*i)[_mixer->track_columns.strip];
 131
 132                 if (s->route()->is_master() || s->route()->is_monitor() || !s->marked_for_display()) {
 133                         continue;
 134                 }
 135
 136                 if (x >= t->to) {
 137                         /* tab finishes before this track starts */
 138                         break;
 139                 }
 140
 141                 double const h = x + s->get_width() / 2;
 142
 143                 if (t->from < h && t->to > h) {
 144                         routes.push_back (s->route ());
 145                 }
 146
 147                 x += s->get_width ();
 148         }
 149
 150         return routes;
 151 }
 152
 153 PropertyList
 154 MixerGroupTabs::default_properties () const
 155 {
 156         PropertyList plist;
 157
 158         plist.add (Properties::active, true);
 159         plist.add (Properties::mute, true);
 160         plist.add (Properties::solo, true);
 161         plist.add (Properties::gain, true);
 162         plist.add (Properties::recenable, true);
 163
 164         return plist;
 165 }
 166
 167 string
 168 MixerGroupTabs::order_key () const
 169 {
 170         return X_("signal");
 171 }
 172
 173 RouteList
 174 MixerGroupTabs::selected_routes () const
 175 {
 176         return _mixer->selection().routes;
 177 }
 178
 179 void
 180 MixerGroupTabs::sync_order_keys ()
 181 {
 182         _mixer->sync_order_keys ("");
 183 }