gtk2_ardour/itest.cc

   1 /*
   2     Copyright (C) 2000-2007 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 <map>
  21 #include <vector>
  22 #include <string>
  23 #include <iostream>
  24
  25 #include <gtkmm/main.h>
  26 #include <gtkmm/window.h>
  27 #include <gtkmm/box.h>
  28 #include <gtkmm/scrolledwindow.h>
  29 #include <gtkmm2ext/dndtreeview.h>
  30 #include <gtkmm/treemodel.h>
  31 #include <gtkmm/treestore.h>
  32 #include <gtkmm/treepath.h>
  33 #include <gtkmm/button.h>
  34 #include <gtkmm/window.h>
  35 #include <jack/jack.h>
  36
  37 using namespace std;
  38 using namespace Gtk;
  39 using namespace Gtkmm2ext;
  40 using namespace Glib;
  41
  42 struct ModelColumns : public TreeModel::ColumnRecord {
  43     ModelColumns() {
  44             add (used);
  45             add (text);
  46             add (port);
  47     }
  48     TreeModelColumn<bool>         used;
  49     TreeModelColumn<string>      text;
  50     TreeModelColumn<jack_port_t*> port;
  51 };
  52
  53 jack_client_t* jack;
  54
  55 void
  56 fill_it (RefPtr<TreeStore> model, TreeView* display, ModelColumns* columns)
  57 {
  58         RefPtr<TreeModel> old = display->get_model();
  59         display->set_model (RefPtr<TreeStore>(0));
  60
  61         model->clear ();
  62
  63         const char ** ports;
  64         typedef map<string,vector<pair<string,string> > > PortMap;
  65         PortMap portmap;
  66         PortMap::iterator i;
  67
  68         ports = jack_get_ports (jack, "", JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput);
  69
  70         if (ports == 0) {
  71                 goto out;
  72         }
  73
  74         /* find all the client names and group their ports into a list-by-client */
  75
  76         for (int n = 0; ports[n]; ++n) {
  77
  78                 pair<string,vector<pair<string,string> > > newpair;
  79                 pair<string,string> strpair;
  80                 std::pair<PortMap::iterator,bool> result;
  81
  82                 string str = ports[n];
  83                 string::size_type pos;
  84                 string portname;
  85
  86                 pos = str.find (':');
  87
  88                 newpair.first = str.substr (0, pos);
  89                 portname = str.substr (pos+1);
  90
  91                 /* this may or may not succeed at actually inserting.
  92                    we don't care, however: we just want an iterator
  93                    that gives us either the inserted element or
  94                    the existing one with the same name.
  95                 */
  96
  97                 result = portmap.insert (newpair);
  98
  99                 strpair.first = portname;
 100                 strpair.second = str;
 101
 102                 result.first->second.push_back (strpair);
 103         }
 104
 105
 106         for (i = portmap.begin(); i != portmap.end(); ++i) {
 107
 108                 /* i->first is a client name, i->second is a PortMap of all of its ports */
 109
 110                 TreeModel::Row parent = *(model->append());
 111
 112                 parent[columns->used] = false;
 113                 parent[columns->text] = i->first;
 114                 parent[columns->port] = 0;
 115
 116                 for (vector<pair<string,string> >::iterator s = i->second.begin(); s != i->second.end(); ++s) {
 117
 118                         /* s->first is a port name */
 119
 120                         TreeModel::Row row = *(model->append (parent.children()));
 121
 122                         row[columns->used] = ((random()%2) == 1);
 123                         row[columns->text] = s->first;
 124                         row[columns->port] = (jack_port_t*) random();
 125                 }
 126         }
 127
 128   out:
 129         display->set_model (old);
 130 }
 131
 132 void
 133 selection_changed (RefPtr<TreeModel> model, TreeView* display, ModelColumns* columns)
 134 {
 135 //      TreeSelection::ListHandle_Path selection = display->get_selection()->get_selected_rows ();
 136 //
 137 //      for (TreeSelection::ListHandle_Path::iterator x = selection.begin(); x != selection.end(); ++x) {
 138 //              cerr << "selected: " << (*(model->get_iter (*x)))[columns->text] << endl;
 139 //      }
 140 }
 141
 142 bool
 143 selection_filter (const RefPtr<TreeModel>& model, const TreeModel::Path& path, bool yn, ModelColumns* columns)
 144 {
 145         return (*(model->get_iter (path)))[columns->port] != 0;
 146 }
 147
 148 void
 149 object_drop (string type, uint32_t cnt, void** ptr)
 150 {
 151         cerr << "Got an object drop of " << cnt << " pointer(s) of type " << type << endl;
 152 }
 153
 154 int
 155 main (int argc, char* argv[])
 156 {
 157         Main app (&argc, &argv);
 158         Window win;
 159         VBox   vpacker;
 160         HBox   hpacker;
 161         Button rescan ("rescan");
 162         ScrolledWindow scrollerA;
 163         ScrolledWindow scrollerB;
 164         DnDTreeView displayA;
 165         DnDTreeView displayB;
 166         ModelColumns columns;
 167
 168         if ((jack = jack_client_new ("itest")) == NULL) {
 169                 return -1;
 170         }
 171
 172         RefPtr<TreeStore> modelA = TreeStore::create (columns);
 173         RefPtr<TreeStore> modelB = TreeStore::create (columns);
 174
 175         displayA.set_model (modelA);
 176         displayA.append_column ("Use", columns.used);
 177         displayA.append_column ("Source/Port", columns.text);
 178         displayA.set_reorderable (true);
 179         displayA.add_object_drag (columns.port.index(), "ports");
 180         displayA.signal_object_drop.connect (ptr_fun (object_drop));
 181
 182         displayA.get_selection()->set_mode (SELECTION_MULTIPLE);
 183         displayA.get_selection()->set_select_function (sigc::bind (ptr_fun (selection_filter), &columns));
 184         displayA.get_selection()->signal_changed().connect (sigc::bind (ptr_fun (selection_changed), modelA, &displayA, &columns));
 185
 186         displayB.set_model (modelB);
 187         displayB.append_column ("Use", columns.used);
 188         displayB.append_column ("Source/Port", columns.text);
 189         displayB.set_reorderable (true);
 190         displayB.add_object_drag (columns.port.index(), "ports");
 191         displayB.signal_object_drop.connect (ptr_fun (object_drop));
 192
 193         displayB.get_selection()->set_mode (SELECTION_MULTIPLE);
 194         displayB.get_selection()->set_select_function (sigc::bind (ptr_fun (selection_filter), &columns));
 195         displayB.get_selection()->signal_changed().connect (sigc::bind (ptr_fun (selection_changed), modelB, &displayB, &columns));
 196
 197         scrollerA.add (displayA);
 198         scrollerB.add (displayB);
 199
 200         hpacker.pack_start (scrollerA);
 201         hpacker.pack_start (scrollerB);
 202
 203         vpacker.pack_start (hpacker);
 204         vpacker.pack_start (rescan, false, false);
 205
 206         win.add (vpacker);
 207         win.set_size_request (500, 400);
 208         win.show_all ();
 209
 210         rescan.signal_clicked().connect (sigc::bind (ptr_fun (fill_it), modelA, &displayA, &columns));
 211         rescan.signal_clicked().connect (sigc::bind (ptr_fun (fill_it), modelB, &displayB, &columns));
 212
 213         fill_it (modelA, &displayA, &columns);
 214         fill_it (modelB, &displayB, &columns);
 215
 216         displayA.expand_all();
 217         displayB.expand_all();
 218
 219         app.run ();
 220
 221         jack_client_close (jack);
 222 }