Committed underlay support (from Audun).
[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 #include "midi_scroomer.h"
71 #include "piano_roll_header.h"
72 #include "ghostregion.h"
73
74 #include <ardour/midi_track.h>
75
76 #include "i18n.h"
77
78 using namespace ARDOUR;
79 using namespace PBD;
80 using namespace Gtk;
81 using namespace Editing;
82
83
84 MidiTimeAxisView::MidiTimeAxisView (PublicEditor& ed, Session& sess, boost::shared_ptr<Route> rt, Canvas& canvas)
85         : AxisView(sess) // FIXME: won't compile without this, why??
86         , RouteTimeAxisView(ed, sess, rt, canvas)
87         , _range_scroomer(0)
88         , _piano_roll_header(0)
89         , _note_mode(Sustained)
90         , _note_mode_item(NULL)
91         , _percussion_mode_item(NULL)
92 {
93         subplugin_menu.set_name ("ArdourContextMenu");
94
95         _view = new MidiStreamView (*this);
96
97         ignore_toggle = false;
98
99         mute_button->set_active (false);
100         solo_button->set_active (false);
101         
102         if (is_midi_track()) {
103                 controls_ebox.set_name ("MidiTimeAxisViewControlsBaseUnselected");
104                 _note_mode = midi_track()->note_mode();
105         } else { // MIDI bus (which doesn't exist yet..)
106                 controls_ebox.set_name ("MidiBusControlsBaseUnselected");
107         }
108
109         /* map current state of the route */
110
111         processors_changed ();
112
113         ensure_xml_node ();
114
115         set_state (*xml_node);
116         
117         _route->processors_changed.connect (mem_fun(*this, &MidiTimeAxisView::processors_changed));
118
119         if (is_track()) {
120                 _piano_roll_header = new PianoRollHeader(*midi_view());
121                 _range_scroomer = new MidiScroomer(midi_view()->note_range_adjustment);
122
123                 controls_hbox.pack_start(*_range_scroomer);
124                 controls_hbox.pack_start(*_piano_roll_header);
125
126                 controls_ebox.set_name ("MidiTrackControlsBaseUnselected");
127                 controls_base_selected_name = "MidiTrackControlsBaseSelected";
128                 controls_base_unselected_name = "MidiTrackControlsBaseUnselected";
129
130                 midi_view()->NoteRangeChanged.connect (mem_fun(*this, &MidiTimeAxisView::update_range));
131
132                 /* ask for notifications of any new RegionViews */
133                 _view->RegionViewAdded.connect (mem_fun(*this, &MidiTimeAxisView::region_view_added));
134                 _view->attach ();
135         }
136 }
137
138 MidiTimeAxisView::~MidiTimeAxisView ()
139 {
140         if(_piano_roll_header) {
141                 delete _piano_roll_header;
142                 _piano_roll_header = 0;
143         }
144
145         if(_range_scroomer) {
146                 delete _range_scroomer;
147                 _range_scroomer = 0;
148         }
149 }
150
151 MidiStreamView*
152 MidiTimeAxisView::midi_view()
153 {
154         return dynamic_cast<MidiStreamView*>(_view);
155 }
156
157 guint32
158 MidiTimeAxisView::show_at (double y, int& nth, Gtk::VBox *parent)
159 {
160         ensure_xml_node ();
161         xml_node->add_property ("shown_editor", "yes");
162                 
163         guint32 ret = TimeAxisView::show_at (y, nth, parent);
164         _piano_roll_header->show();
165         _range_scroomer->show();
166         return ret;
167 }
168
169 void
170 MidiTimeAxisView::hide ()
171 {
172         ensure_xml_node ();
173         xml_node->add_property ("shown_editor", "no");
174
175         TimeAxisView::hide ();
176 }
177
178 void
179 MidiTimeAxisView::append_extra_display_menu_items ()
180 {
181         using namespace Menu_Helpers;
182
183         MenuList& items = display_menu->items();
184
185         // Note range
186         Menu *range_menu = manage(new Menu);
187         MenuList& range_items = range_menu->items();
188         range_menu->set_name ("ArdourContextMenu");
189         
190         RadioMenuItem::Group range_group;
191
192         range_items.push_back (RadioMenuElem (range_group, _("Show Full Range"), bind (
193                         mem_fun(*this, &MidiTimeAxisView::set_note_range),
194                         MidiStreamView::FullRange)));
195         
196         range_items.push_back (RadioMenuElem (range_group, _("Fit Contents"), bind (
197                         mem_fun(*this, &MidiTimeAxisView::set_note_range),
198                         MidiStreamView::ContentsRange)));
199
200         ((Gtk::CheckMenuItem&)range_items.back()).set_active(true);
201
202         items.push_back (MenuElem (_("Note range"), *range_menu));
203 }
204
205 void
206 MidiTimeAxisView::build_automation_action_menu ()
207 {
208         using namespace Menu_Helpers;
209
210         RouteTimeAxisView::build_automation_action_menu ();
211
212         MenuList& automation_items = automation_action_menu->items();
213         
214         automation_items.push_back (SeparatorElem());
215
216         automation_items.push_back (MenuElem (_("Controller..."), 
217                                                    mem_fun(*this, &MidiTimeAxisView::add_controller_track)));
218 }
219
220 Gtk::Menu*
221 MidiTimeAxisView::build_mode_menu()
222 {
223         using namespace Menu_Helpers;
224
225         Menu* mode_menu = manage (new Menu);
226         MenuList& items = mode_menu->items();
227         mode_menu->set_name ("ArdourContextMenu");
228
229         RadioMenuItem::Group mode_group;
230         items.push_back (RadioMenuElem (mode_group, _("Sustained"),
231                                 bind (mem_fun (*this, &MidiTimeAxisView::set_note_mode), Sustained)));
232         _note_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
233         _note_mode_item->set_active(_note_mode == Sustained);
234
235         items.push_back (RadioMenuElem (mode_group, _("Percussive"),
236                                 bind (mem_fun (*this, &MidiTimeAxisView::set_note_mode), Percussive)));
237         _percussion_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
238         _percussion_mode_item->set_active(_note_mode == Percussive);
239
240         return mode_menu;
241 }
242         
243 void
244 MidiTimeAxisView::set_note_mode(NoteMode mode)
245 {
246         if (_note_mode != mode || midi_track()->note_mode() != mode) {
247                 _note_mode = mode;
248                 midi_track()->set_note_mode(mode);
249                 _view->redisplay_diskstream();
250         }
251 }
252
253
254 void
255 MidiTimeAxisView::set_note_range(MidiStreamView::VisibleNoteRange range)
256 {
257         //if (midi_view()->note_range() != range) {
258                 midi_view()->set_note_range(range);
259                 midi_view()->redisplay_diskstream();
260         //}
261 }
262
263
264 void
265 MidiTimeAxisView::update_range() {
266         MidiGhostRegion* mgr;
267
268         for(list<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
269                 if((mgr = dynamic_cast<MidiGhostRegion*>(*i)) != 0) {
270                         mgr->update_range();
271                 }
272         }
273 }
274
275 /** Prompt for a controller with a dialog and add an automation track for it
276  */
277 void
278 MidiTimeAxisView::add_controller_track()
279 {
280         int response;
281         Parameter param;
282
283         {
284                 AddMidiCCTrackDialog dialog;
285                 dialog.set_transient_for(editor);
286                 response = dialog.run();
287                 
288                 if (response == Gtk::RESPONSE_ACCEPT)
289                         param = dialog.parameter();
290         }
291
292         if (response == Gtk::RESPONSE_ACCEPT)
293                 create_automation_child(param, true);
294 }
295
296 void
297 MidiTimeAxisView::create_automation_child (Parameter param, bool show)
298 {
299         if (param.type() == MidiCCAutomation) {
300         
301                 /* FIXME: don't create AutomationList for track itself */
302
303                 boost::shared_ptr<AutomationControl> c = _route->control(param);
304
305                 if (!c) {
306                         boost::shared_ptr<AutomationList> al(new ARDOUR::AutomationList(param, 0, 127, 64));
307                         c = boost::shared_ptr<AutomationControl>(_route->control_factory(al));
308                         _route->add_control(c);
309                 }
310
311                 boost::shared_ptr<AutomationTimeAxisView> track(new AutomationTimeAxisView (_session,
312                                 _route, _route, c,
313                                 editor,
314                                 *this,
315                                 true,
316                                 parent_canvas,
317                                 _route->describe_parameter(param)));
318                 
319                 add_automation_child(param, track, show);
320
321         } else {
322                 error << "MidiTimeAxisView: unknown automation child " << param.to_string() << endmsg;
323         }
324 }
325
326 void
327 MidiTimeAxisView::route_active_changed ()
328 {
329         RouteUI::route_active_changed ();
330
331         if (is_track()) {
332                 if (_route->active()) {
333                         controls_ebox.set_name ("MidiTrackControlsBaseUnselected");
334                         controls_base_selected_name = "MidiTrackControlsBaseSelected";
335                         controls_base_unselected_name = "MidiTrackControlsBaseUnselected";
336                 } else {
337                         controls_ebox.set_name ("MidiTrackControlsBaseInactiveUnselected");
338                         controls_base_selected_name = "MidiTrackControlsBaseInactiveSelected";
339                         controls_base_unselected_name = "MidiTrackControlsBaseInactiveUnselected";
340                 }
341         } else {
342
343                 throw; // wha?
344                 
345                 if (_route->active()) {
346                         controls_ebox.set_name ("BusControlsBaseUnselected");
347                         controls_base_selected_name = "BusControlsBaseSelected";
348                         controls_base_unselected_name = "BusControlsBaseUnselected";
349                 } else {
350                         controls_ebox.set_name ("BusControlsBaseInactiveUnselected");
351                         controls_base_selected_name = "BusControlsBaseInactiveSelected";
352                         controls_base_unselected_name = "BusControlsBaseInactiveUnselected";
353                 }
354         }
355 }