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         : GroupTabs (0),
  36           _mixer (m),
  37           _menu (0)
  38 {
  39
  40 }
  41
  42
  43 list<GroupTabs::Tab>
  44 MixerGroupTabs::compute_tabs () const
  45 {
  46         list<Tab> tabs;
  47
  48         Tab tab;
  49         tab.from = 0;
  50         tab.group = 0;
  51
  52         int32_t x = 0;
  53         TreeModel::Children rows = _mixer->track_model->children ();
  54         for (TreeModel::Children::iterator i = rows.begin(); i != rows.end(); ++i) {
  55
  56                 MixerStrip* s = (*i)[_mixer->track_columns.strip];
  57
  58                 if (s->route()->is_master() || s->route()->is_monitor() || !s->marked_for_display()) {
  59                         continue;
  60                 }
  61
  62                 RouteGroup* g = s->route_group ();
  63
  64                 if (g != tab.group) {
  65                         if (tab.group) {
  66                                 tab.to = x;
  67                                 tabs.push_back (tab);
  68                         }
  69
  70                         tab.from = x;
  71                         tab.group = g;
  72                         tab.colour = s->color ();
  73                 }
  74
  75                 x += s->get_width ();
  76         }
  77
  78         if (tab.group) {
  79                 tab.to = x;
  80                 tabs.push_back (tab);
  81         }
  82
  83         return tabs;
  84 }
  85
  86 void
  87 MixerGroupTabs::draw_tab (cairo_t* cr, Tab const & tab) const
  88 {
  89         double const arc_radius = _height;
  90
  91         if (tab.group && tab.group->is_active()) {
  92                 cairo_set_source_rgba (cr, tab.colour.get_red_p (), tab.colour.get_green_p (), tab.colour.get_blue_p (), 1);
  93         } else {
  94                 cairo_set_source_rgba (cr, 1, 1, 1, 0.2);
  95         }
  96
  97         cairo_arc (cr, tab.from + arc_radius, _height, arc_radius, M_PI, 3 * M_PI / 2);
  98         cairo_line_to (cr, tab.to - arc_radius, 0);
  99         cairo_arc (cr, tab.to - arc_radius, _height, arc_radius, 3 * M_PI / 2, 2 * M_PI);
 100         cairo_line_to (cr, tab.from, _height);
 101         cairo_fill (cr);
 102
 103         if (tab.group) {
 104                 pair<string, double> const f = fit_to_pixels (cr, tab.group->name(), tab.to - tab.from - arc_radius * 2);
 105
 106                 cairo_text_extents_t ext;
 107                 cairo_text_extents (cr, tab.group->name().c_str(), &ext);
 108
 109                 cairo_set_source_rgb (cr, 1, 1, 1);
 110                 cairo_move_to (cr, tab.from + (tab.to - tab.from - f.second) / 2, _height - ext.height / 2);
 111                 cairo_save (cr);
 112                 cairo_show_text (cr, f.first.c_str());
 113                 cairo_restore (cr);
 114         }
 115 }
 116
 117 double
 118 MixerGroupTabs::primary_coordinate (double x, double) const
 119 {
 120         return x;
 121 }
 122
 123 RouteList
 124 MixerGroupTabs::routes_for_tab (Tab const * t) const
 125 {
 126         RouteList routes;
 127         int32_t x = 0;
 128
 129         TreeModel::Children rows = _mixer->track_model->children ();
 130         for (TreeModel::Children::iterator i = rows.begin(); i != rows.end(); ++i) {
 131
 132                 MixerStrip* s = (*i)[_mixer->track_columns.strip];
 133
 134                 if (s->route()->is_master() || s->route()->is_monitor() || !s->marked_for_display()) {
 135                         continue;
 136                 }
 137
 138                 if (x >= t->to) {
 139                         /* tab finishes before this track starts */
 140                         break;
 141                 }
 142
 143                 double const h = x + s->get_width() / 2;
 144
 145                 if (t->from < h && t->to > h) {
 146                         routes.push_back (s->route ());
 147                 }
 148
 149                 x += s->get_width ();
 150         }
 151
 152         return routes;
 153 }
 154
 155 Gtk::Menu*
 156 MixerGroupTabs::get_menu (RouteGroup* g)
 157 {
 158         if (g == 0) {
 159                 return 0;
 160         }
 161
 162         using namespace Menu_Helpers;
 163
 164         delete _menu;
 165         _menu = new Menu;
 166
 167         MenuList& items = _menu->items ();
 168         items.push_back (MenuElem (_("Edit..."), sigc::bind (sigc::mem_fun (*this, &MixerGroupTabs::edit_group), g)));
 169         items.push_back (MenuElem (_("Subgroup"), sigc::bind (sigc::mem_fun (*this, &MixerGroupTabs::make_subgroup), g)));
 170         items.push_back (SeparatorElem());
 171         items.push_back (MenuElem (_("Remove"), sigc::bind (sigc::mem_fun (*this, &MixerGroupTabs::remove_group), g)));
 172
 173         return _menu;
 174 }
 175
 176 void
 177 MixerGroupTabs::edit_group (RouteGroup* g)
 178 {
 179         RouteGroupDialog d (g, Gtk::Stock::APPLY);
 180         d.do_run ();
 181 }
 182
 183 void
 184 MixerGroupTabs::remove_group (RouteGroup *g)
 185 {
 186         _session->remove_route_group (*g);
 187 }
 188
 189 void
 190 MixerGroupTabs::make_subgroup (RouteGroup* g)
 191 {
 192         g->make_subgroup ();
 193 }
 194
 195 void
 196 MixerGroupTabs::destroy_subgroup (RouteGroup* g)
 197 {
 198         g->destroy_subgroup ();
 199 }
 200
 201 ARDOUR::RouteGroup *
 202 MixerGroupTabs::new_route_group () const
 203 {
 204         PropertyList plist;
 205
 206         plist.add (Properties::active, true);
 207         plist.add (Properties::mute, true);
 208         plist.add (Properties::solo, true);
 209         plist.add (Properties::gain, true);
 210         plist.add (Properties::recenable, true);
 211
 212         RouteGroup* g = new RouteGroup (*_session, "");
 213         g->set_properties (plist);
 214
 215         RouteGroupDialog d (g, Gtk::Stock::NEW);
 216         int const r = d.do_run ();
 217
 218         if (r != Gtk::RESPONSE_OK) {
 219                 delete g;
 220                 return 0;
 221         }
 222
 223         _session->add_route_group (g);
 224         return g;
 225 }