gtk2_ardour/editor_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 "editor_group_tabs.h"
  22 #include "editor.h"
  23 #include "route_time_axis.h"
  24 #include "utils.h"
  25 #include "editor_route_groups.h"
  26 #include "editor_routes.h"
  27
  28 using namespace std;
  29 using namespace ARDOUR;
  30
  31 EditorGroupTabs::EditorGroupTabs (Editor* e)
  32         : EditorComponent (e)
  33 {
  34
  35 }
  36
  37 list<GroupTabs::Tab>
  38 EditorGroupTabs::compute_tabs () const
  39 {
  40         list<Tab> tabs;
  41
  42         Tab tab;
  43         tab.from = 0;
  44         tab.group = 0;
  45
  46         int32_t y = 0;
  47         for (TrackViewList::iterator i = _editor->track_views.begin(); i != _editor->track_views.end(); ++i) {
  48
  49                 if ((*i)->marked_for_display() == false) {
  50                         continue;
  51                 }
  52
  53                 RouteGroup* g = (*i)->route_group ();
  54
  55                 if (g != tab.group) {
  56                         if (tab.group) {
  57                                 tab.to = y;
  58                                 tabs.push_back (tab);
  59                         }
  60
  61                         tab.from = y;
  62                         tab.group = g;
  63                         tab.colour = (*i)->color ();
  64                 }
  65
  66                 y += (*i)->effective_height ();
  67         }
  68
  69         if (tab.group) {
  70                 tab.to = y;
  71                 tabs.push_back (tab);
  72         }
  73
  74         return tabs;
  75 }
  76
  77 void
  78 EditorGroupTabs::draw_tab (cairo_t* cr, Tab const & tab) const
  79 {
  80         double const arc_radius = _width;
  81
  82         if (tab.group && tab.group->is_active()) {
  83                 cairo_set_source_rgba (cr, tab.colour.get_red_p (), tab.colour.get_green_p (), tab.colour.get_blue_p (), 1);
  84         } else {
  85                 cairo_set_source_rgba (cr, 1, 1, 1, 0.2);
  86         }
  87
  88         cairo_move_to (cr, 0, tab.from + arc_radius);
  89         cairo_arc (cr, _width, tab.from + arc_radius, arc_radius, M_PI, 3 * M_PI / 2);
  90         cairo_line_to (cr, _width, tab.to);
  91         cairo_arc (cr, _width, tab.to - arc_radius, arc_radius, M_PI / 2, M_PI);
  92         cairo_line_to (cr, 0, tab.from + arc_radius);
  93         cairo_fill (cr);
  94
  95         if (tab.group) {
  96                 pair<string, double> const f = fit_to_pixels (cr, tab.group->name(), tab.to - tab.from - arc_radius * 2);
  97
  98                 cairo_text_extents_t ext;
  99                 cairo_text_extents (cr, tab.group->name().c_str(), &ext);
 100
 101                 cairo_set_source_rgb (cr, 1, 1, 1);
 102                 cairo_move_to (cr, _width - ext.height / 2, tab.from + (f.second + tab.to - tab.from) / 2);
 103                 cairo_save (cr);
 104                 cairo_rotate (cr, - M_PI / 2);
 105                 cairo_show_text (cr, f.first.c_str());
 106                 cairo_restore (cr);
 107         }
 108 }
 109
 110 double
 111 EditorGroupTabs::primary_coordinate (double, double y) const
 112 {
 113         return y;
 114 }
 115
 116 RouteList
 117 EditorGroupTabs::routes_for_tab (Tab const * t) const
 118 {
 119         RouteList routes;
 120         int32_t y = 0;
 121
 122         for (TrackViewList::iterator i = _editor->track_views.begin(); i != _editor->track_views.end(); ++i) {
 123
 124                 if ((*i)->marked_for_display() == false) {
 125                         continue;
 126                 }
 127
 128                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*i);
 129                 if (rtv) {
 130
 131                         if (y >= t->to) {
 132                                 /* tab finishes before this track starts */
 133                                 break;
 134                         }
 135
 136                         double const h = y + (*i)->effective_height() / 2;
 137
 138                         if (t->from < h && t->to > h) {
 139                                 routes.push_back (rtv->route ());
 140                         }
 141                 }
 142
 143                 y += (*i)->effective_height ();
 144         }
 145
 146         return routes;
 147 }
 148
 149
 150 void
 151 EditorGroupTabs::add_menu_items (Gtk::Menu* m, RouteGroup* g)
 152 {
 153         using namespace Gtk::Menu_Helpers;
 154
 155         if (g) {
 156                 MenuList& items = m->items ();
 157                 items.push_back (MenuElem (_("Fit to Window"), sigc::bind (sigc::mem_fun (*_editor, &Editor::fit_route_group), g)));
 158         }
 159 }
 160
 161 PBD::PropertyList
 162 EditorGroupTabs::default_properties () const
 163 {
 164         PBD::PropertyList plist;
 165
 166         plist.add (Properties::active, true);
 167         plist.add (Properties::mute, true);
 168         plist.add (Properties::solo, true);
 169         plist.add (Properties::recenable, true);
 170         plist.add (Properties::edit, true);
 171
 172         return plist;
 173 }
 174
 175 string
 176 EditorGroupTabs::order_key () const
 177 {
 178         return X_("editor");
 179 }
 180
 181 RouteList
 182 EditorGroupTabs::selected_routes () const
 183 {
 184         RouteList rl;
 185
 186         for (TrackSelection::iterator i = _editor->get_selection().tracks.begin(); i != _editor->get_selection().tracks.end(); ++i) {
 187                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*i);
 188                 if (rtv) {
 189                         rl.push_back (rtv->route());
 190                 }
 191         }
 192
 193         return rl;
 194 }
 195
 196 void
 197 EditorGroupTabs::sync_order_keys ()
 198 {
 199         _editor->_routes->sync_order_keys ("");
 200 }