Another not-quite-there-but-better commit.
[ardour.git] / gtk2_ardour / midi_time_axis.cc
1 /*
2     Copyright (C) 2000 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 #include <cstdlib>
20 #include <cmath>
21
22 #include <algorithm>
23 #include <string>
24 #include <vector>
25
26 #include <sigc++/bind.h>
27
28 #include <pbd/error.h>
29 #include <pbd/stl_delete.h>
30 #include <pbd/whitespace.h>
31
32 #include <gtkmm2ext/gtk_ui.h>
33 #include <gtkmm2ext/selector.h>
34 #include <gtkmm2ext/stop_signal.h>
35 #include <gtkmm2ext/bindable_button.h>
36 #include <gtkmm2ext/utils.h>
37
38 #include <ardour/midi_playlist.h>
39 #include <ardour/midi_diskstream.h>
40 #include <ardour/processor.h>
41 #include <ardour/ladspa_plugin.h>
42 #include <ardour/location.h>
43 #include <ardour/playlist.h>
44 #include <ardour/session.h>
45 #include <ardour/session_playlist.h>
46 #include <ardour/utils.h>
47
48 #include "ardour_ui.h"
49 #include "midi_time_axis.h"
50 #include "automation_time_axis.h"
51 #include "automation_line.h"
52 #include "add_midi_cc_track_dialog.h"
53 #include "canvas_impl.h"
54 #include "crossfade_view.h"
55 #include "enums.h"
56 #include "gui_thread.h"
57 #include "keyboard.h"
58 #include "playlist_selector.h"
59 #include "plugin_selector.h"
60 #include "plugin_ui.h"
61 #include "point_selection.h"
62 #include "prompter.h"
63 #include "public_editor.h"
64 #include "region_view.h"
65 #include "rgb_macros.h"
66 #include "selection.h"
67 #include "simplerect.h"
68 #include "midi_streamview.h"
69 #include "utils.h"
70
71 #include <ardour/midi_track.h>
72
73 #include "i18n.h"
74
75 using namespace ARDOUR;
76 using namespace PBD;
77 using namespace Gtk;
78 using namespace Editing;
79
80
81 MidiTimeAxisView::MidiTimeAxisView (PublicEditor& ed, Session& sess, boost::shared_ptr<Route> rt, Canvas& canvas)
82         : AxisView(sess), // FIXME: won't compile without this, why??
83         RouteTimeAxisView(ed, sess, rt, canvas)
84 {
85         subplugin_menu.set_name ("ArdourContextMenu");
86
87         _view = new MidiStreamView (*this);
88
89         ignore_toggle = false;
90
91         mute_button->set_active (false);
92         solo_button->set_active (false);
93         
94         if (is_midi_track())
95                 controls_ebox.set_name ("MidiTimeAxisViewControlsBaseUnselected");
96         else // bus
97                 controls_ebox.set_name ("MidiBusControlsBaseUnselected");
98
99         /* map current state of the route */
100
101         processors_changed ();
102
103         ensure_xml_node ();
104
105         set_state (*xml_node);
106         
107         _route->processors_changed.connect (mem_fun(*this, &MidiTimeAxisView::processors_changed));
108
109         if (is_track()) {
110
111                 controls_ebox.set_name ("MidiTrackControlsBaseUnselected");
112                 controls_base_selected_name = "MidiTrackControlsBaseSelected";
113                 controls_base_unselected_name = "MidiTrackControlsBaseUnselected";
114
115                 /* ask for notifications of any new RegionViews */
116                 _view->RegionViewAdded.connect (mem_fun(*this, &MidiTimeAxisView::region_view_added));
117                 _view->attach ();
118
119         } /*else { // no MIDI busses yet
120
121                 controls_ebox.set_name ("MidiBusControlsBaseUnselected");
122                 controls_base_selected_name = "MidiBusControlsBaseSelected";
123                 controls_base_unselected_name = "MidiBusControlsBaseUnselected";
124         }*/
125 }
126
127 MidiTimeAxisView::~MidiTimeAxisView ()
128 {
129 }
130
131 guint32
132 MidiTimeAxisView::show_at (double y, int& nth, Gtk::VBox *parent)
133 {
134         ensure_xml_node ();
135         xml_node->add_property ("shown_editor", "yes");
136                 
137         return TimeAxisView::show_at (y, nth, parent);
138 }
139
140 void
141 MidiTimeAxisView::hide ()
142 {
143         ensure_xml_node ();
144         xml_node->add_property ("shown_editor", "no");
145
146         TimeAxisView::hide ();
147 }
148
149 void
150 MidiTimeAxisView::build_automation_action_menu ()
151 {
152         using namespace Menu_Helpers;
153
154         RouteTimeAxisView::build_automation_action_menu ();
155
156         MenuList& automation_items = automation_action_menu->items();
157         
158         automation_items.push_back (SeparatorElem());
159
160         automation_items.push_back (MenuElem (_("Controller..."), 
161                                                    mem_fun(*this, &MidiTimeAxisView::add_controller_track)));
162 }
163
164 /** Prompt for a controller with a dialog and add an automation track for it
165  */
166 void
167 MidiTimeAxisView::add_controller_track()
168 {
169         AddMidiCCTrackDialog dialog;
170         dialog.set_transient_for(editor);
171         int response = dialog.run();
172         if (response == Gtk::RESPONSE_ACCEPT) {
173                 ParamID param = dialog.parameter();
174                 create_automation_child(param);
175         }
176 }
177
178 void
179 MidiTimeAxisView::create_automation_child (ParamID param)
180 {
181         if (param.type() == MidiCCAutomation) {
182         
183                 /* FIXME: this all probably leaks */
184
185                 boost::shared_ptr<AutomationControl> c =_route->control(param);
186
187                 if (!c) {
188                         boost::shared_ptr<AutomationList> al(new ARDOUR::AutomationList(param, 0, 127, 64));
189                         c = boost::shared_ptr<AutomationControl>(new AutomationControl(_session, al));
190                         _route->add_control(c);
191                 }
192
193                 boost::shared_ptr<AutomationTimeAxisView> track(new AutomationTimeAxisView (_session,
194                                 _route, _route, c,
195                                 editor,
196                                 *this,
197                                 parent_canvas,
198                                 _route->describe_parameter(param),
199                                 c->list()->param_id().to_string() /* FIXME: correct state name? */));
200                 add_automation_child(param, track);
201
202         } else {
203                 error << "MidiTimeAxisView: unknown automation child " << param.to_string() << endmsg;
204         }
205 }
206
207 void
208 MidiTimeAxisView::route_active_changed ()
209 {
210         RouteUI::route_active_changed ();
211
212         if (is_track()) {
213                 if (_route->active()) {
214                         controls_ebox.set_name ("MidiTrackControlsBaseUnselected");
215                         controls_base_selected_name = "MidiTrackControlsBaseSelected";
216                         controls_base_unselected_name = "MidiTrackControlsBaseUnselected";
217                 } else {
218                         controls_ebox.set_name ("MidiTrackControlsBaseInactiveUnselected");
219                         controls_base_selected_name = "MidiTrackControlsBaseInactiveSelected";
220                         controls_base_unselected_name = "MidiTrackControlsBaseInactiveUnselected";
221                 }
222         } else {
223
224                 throw; // wha?
225                 
226                 if (_route->active()) {
227                         controls_ebox.set_name ("BusControlsBaseUnselected");
228                         controls_base_selected_name = "BusControlsBaseSelected";
229                         controls_base_unselected_name = "BusControlsBaseUnselected";
230                 } else {
231                         controls_ebox.set_name ("BusControlsBaseInactiveUnselected");
232                         controls_base_selected_name = "BusControlsBaseInactiveSelected";
233                         controls_base_unselected_name = "BusControlsBaseInactiveUnselected";
234                 }
235         }
236 }
237