new file, a small idea
[ardour.git] / gtk2_ardour / time_info_box.cc
1 /*
2     Copyright (C) 2011 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 <algorithm>
21 #include "pbd/compose.h"
22
23 #include "gtkmm2ext/cairocell.h"
24 #include "gtkmm2ext/gui_thread.h"
25 #include "gtkmm2ext/utils.h"
26 #include "gtkmm2ext/stateful_button.h"
27 #include "gtkmm2ext/actions.h"
28
29 #include "ardour/location.h"
30 #include "ardour/session.h"
31
32 #include "time_info_box.h"
33 #include "audio_clock.h"
34 #include "editor.h"
35
36 #include "i18n.h"
37
38 using namespace Gtk;
39 using namespace ARDOUR;
40 using std::min;
41 using std::max;
42
43 TimeInfoBox::TimeInfoBox ()
44         : left (2, 4)
45         , right (2, 4)
46         , syncing_selection (false)
47         , syncing_punch (false)
48 {
49         selection_start = new AudioClock ("selection-start", false, "selection", false, false, false, false);
50         selection_end = new AudioClock ("selection-end", false, "selection", false, false, false, false);
51         selection_length = new AudioClock ("selection-length", false, "selection", false, false, true, false);
52
53         punch_start = new AudioClock ("punch-start", false, "punch", false, false, false, false);
54         punch_end = new AudioClock ("punch-end", false, "punch", false, false, false, false);
55
56         selection_start->set_draw_background (false);
57         selection_end->set_draw_background (false);
58         selection_length->set_draw_background (false);
59         punch_start->set_draw_background (false);
60         punch_end->set_draw_background (false);
61
62         selection_title.set_text (_("Selection"));
63         punch_title.set_text (_("Punch"));
64
65         set_homogeneous (false);
66         set_spacing (6);
67         set_border_width (2);
68
69         pack_start (left, true, true);
70         pack_start (right, true, true);
71
72         left.set_homogeneous (false);
73         left.set_spacings (0);
74         left.set_border_width (2);
75         left.set_col_spacings (2);
76
77         right.set_homogeneous (false);
78         right.set_spacings (0);
79         right.set_border_width (2);
80         right.set_col_spacings (2);
81
82         Gtk::Label* l;
83
84         selection_title.set_name ("TimeInfoSelectionTitle");
85         left.attach (selection_title, 0, 2, 0, 1);
86         l = manage (new Label);
87         l->set_text (_("Start"));
88         l->set_alignment (1.0, 0.5);
89         l->set_name (X_("TimeInfoSelectionLabel"));
90         left.attach (*l, 0, 1, 1, 2, FILL);
91         left.attach (*selection_start, 1, 2, 1, 2);
92
93         l = manage (new Label);
94         l->set_text (_("End"));
95         l->set_alignment (1.0, 0.5);
96         l->set_name (X_("TimeInfoSelectionLabel"));
97         left.attach (*l, 0, 1, 2, 3, FILL);
98         left.attach (*selection_end, 1, 2, 2, 3);
99
100         l = manage (new Label);
101         l->set_text (_("Length"));
102         l->set_alignment (1.0, 0.5);
103         l->set_name (X_("TimeInfoSelectionLabel"));
104         left.attach (*l, 0, 1, 3, 4, FILL);
105         left.attach (*selection_length, 1, 2, 3, 4);
106
107         punch_in_button.set_name ("punch button");
108         punch_out_button.set_name ("punch button");
109         punch_in_button.set_text (_("In"));
110         punch_out_button.set_text (_("Out"));
111
112         Glib::RefPtr<Action> act = ActionManager::get_action ("Transport", "TogglePunchIn");
113         punch_in_button.set_related_action (act);
114         act = ActionManager::get_action ("Transport", "TogglePunchOut");
115         punch_out_button.set_related_action (act);
116
117         Gtkmm2ext::UI::instance()->set_tip (punch_in_button, _("Start recording at auto-punch start"));
118         Gtkmm2ext::UI::instance()->set_tip (punch_out_button, _("Stop recording at auto-punch end"));
119
120         punch_title.set_name ("TimeInfoSelectionTitle");
121         right.attach (punch_title, 2, 4, 0, 1);
122         right.attach (punch_in_button, 2, 3, 1, 2, FILL, SHRINK);
123         right.attach (*punch_start, 3, 4, 1, 2);
124         right.attach (punch_out_button, 2, 3, 2, 3, FILL, SHRINK);
125         right.attach (*punch_end, 3, 4, 2, 3);
126
127         show_all ();
128
129         selection_start->mode_changed.connect (sigc::bind (sigc::mem_fun (*this, &TimeInfoBox::sync_selection_mode), selection_start));
130         selection_end->mode_changed.connect (sigc::bind (sigc::mem_fun (*this, &TimeInfoBox::sync_selection_mode), selection_end));
131         selection_length->mode_changed.connect (sigc::bind (sigc::mem_fun (*this, &TimeInfoBox::sync_selection_mode), selection_length));
132
133         punch_start->mode_changed.connect (sigc::bind (sigc::mem_fun (*this, &TimeInfoBox::sync_punch_mode), punch_start));
134         punch_end->mode_changed.connect (sigc::bind (sigc::mem_fun (*this, &TimeInfoBox::sync_punch_mode), punch_end));
135
136         selection_start->signal_button_release_event().connect (sigc::bind (sigc::mem_fun (*this, &TimeInfoBox::clock_button_release_event), selection_start), true);
137         selection_end->signal_button_release_event().connect (sigc::bind (sigc::mem_fun (*this, &TimeInfoBox::clock_button_release_event), selection_end), true);
138
139         punch_start->signal_button_release_event().connect (sigc::bind (sigc::mem_fun (*this, &TimeInfoBox::clock_button_release_event), punch_start), true);
140         punch_end->signal_button_release_event().connect (sigc::bind (sigc::mem_fun (*this, &TimeInfoBox::clock_button_release_event), punch_end), true);
141
142         Editor::instance().get_selection().TimeChanged.connect (sigc::mem_fun (*this, &TimeInfoBox::selection_changed));
143         Editor::instance().get_selection().RegionsChanged.connect (sigc::mem_fun (*this, &TimeInfoBox::selection_changed));
144
145         Editor::instance().MouseModeChanged.connect (editor_connections, invalidator(*this), ui_bind (&TimeInfoBox::track_mouse_mode, this), gui_context());
146 }
147
148 TimeInfoBox::~TimeInfoBox ()
149 {
150         delete selection_length;
151         delete selection_end;
152         delete selection_start;
153         
154         delete punch_start;
155         delete punch_end;
156 }
157
158 void
159 TimeInfoBox::track_mouse_mode ()
160 {
161         selection_changed ();
162 }
163
164 bool
165 TimeInfoBox::clock_button_release_event (GdkEventButton* ev, AudioClock* src)
166 {
167         if (!_session) {
168                 return false;
169         }
170
171         if (ev->button == 1) {
172                 if (!src->off()) {
173                         _session->request_locate (src->current_time ());
174                 }
175                 return true;
176         }
177
178         return false;
179 }
180
181 void
182 TimeInfoBox::sync_selection_mode (AudioClock* src)
183 {
184         if (!syncing_selection) {
185                 syncing_selection = true;
186                 selection_start->set_mode (src->mode());
187                 selection_end->set_mode (src->mode());
188                 selection_length->set_mode (src->mode());
189                 syncing_selection = false;
190         }
191 }
192
193 void
194 TimeInfoBox::sync_punch_mode (AudioClock* src)
195 {
196         if (!syncing_punch) {
197                 syncing_punch = true;
198                 punch_start->set_mode (src->mode());
199                 punch_end->set_mode (src->mode());
200                 syncing_punch = false;
201         }
202 }
203         
204
205 void
206 TimeInfoBox::set_session (Session* s)
207 {
208         SessionHandlePtr::set_session (s);
209
210         selection_start->set_session (s);
211         selection_end->set_session (s);
212         selection_length->set_session (s);
213
214         punch_start->set_session (s);
215         punch_end->set_session (s);
216
217         if (s) {
218                 Location* punch = s->locations()->auto_punch_location ();
219                 
220                 if (punch) {
221                         watch_punch (punch);
222                 }
223                 
224                 punch_changed (punch);
225
226                 _session->auto_punch_location_changed.connect (_session_connections, MISSING_INVALIDATOR, 
227                                                                boost::bind (&TimeInfoBox::punch_location_changed, this, _1), gui_context());
228         }
229 }
230
231 void
232 TimeInfoBox::selection_changed ()
233 {
234         framepos_t s, e;
235         Selection& selection (Editor::instance().get_selection());
236
237         switch (Editor::instance().current_mouse_mode()) {
238
239         case Editing::MouseObject:
240                 if (Editor::instance().internal_editing()) {
241                         /* displaying MIDI note selection is tricky */
242                         
243                         selection_start->set_off (true);
244                         selection_end->set_off (true);
245                         selection_length->set_off (true);
246
247                 } else {
248                         if (selection.regions.empty()) {
249                                 if (selection.points.empty()) {
250                                         selection_start->set_off (true);
251                                         selection_end->set_off (true);
252                                         selection_length->set_off (true);
253                                 } else {
254                                         s = max_framepos;
255                                         e = 0;
256                                         for (PointSelection::iterator i = selection.points.begin(); i != selection.points.end(); ++i) {
257                                                 s = min (s, (framepos_t) i->start);
258                                                 e = max (e, (framepos_t) i->end);
259                                         }
260                                         selection_start->set_off (false);
261                                         selection_end->set_off (false);
262                                         selection_length->set_off (false);
263                                         selection_start->set (s);
264                                         selection_end->set (e);
265                                         selection_length->set (e - s + 1);
266                                 }
267                         } else {
268                                 s = selection.regions.start();
269                                 e = selection.regions.end_frame();
270                                 selection_start->set_off (false);
271                                 selection_end->set_off (false);
272                                 selection_length->set_off (false);
273                                 selection_start->set (s);
274                                 selection_end->set (e);
275                                 selection_length->set (e - s + 1);
276                         }
277                 }
278                 break;
279
280         case Editing::MouseRange:
281                 if (selection.time.empty()) {
282                         selection_start->set_off (true);
283                         selection_end->set_off (true);
284                         selection_length->set_off (true);
285                 } else {
286                         selection_start->set_off (false);
287                         selection_end->set_off (false);
288                         selection_length->set_off (false);
289                         selection_start->set (selection.time.start());
290                         selection_end->set (selection.time.end_frame());
291                         selection_length->set (selection.time.length());
292                 }
293                 break;
294
295         default:
296                 selection_start->set_off (true);
297                 selection_end->set_off (true);
298                 selection_length->set_off (true);       
299                 break;
300         }
301 }
302
303 void
304 TimeInfoBox::punch_location_changed (Location* loc)
305 {
306         if (loc) {
307                 watch_punch (loc);
308         } 
309 }
310
311 void
312 TimeInfoBox::watch_punch (Location* punch)
313 {
314         punch_connections.drop_connections ();
315
316         punch->start_changed.connect (punch_connections, MISSING_INVALIDATOR, boost::bind (&TimeInfoBox::punch_changed, this, _1), gui_context());
317         punch->end_changed.connect (punch_connections, MISSING_INVALIDATOR, boost::bind (&TimeInfoBox::punch_changed, this, _1), gui_context());
318
319         punch_changed (punch);
320 }
321
322 void
323 TimeInfoBox::punch_changed (Location* loc)
324 {
325         if (!loc) {
326                 punch_start->set_off (true);
327                 punch_end->set_off (true);
328                 return;
329         }
330
331         punch_start->set_off (false);
332         punch_end->set_off (false);
333
334         punch_start->set (loc->start());
335         punch_end->set (loc->end());
336 }       
337