Set button labels sanely.
[ardour.git] / gtk2_ardour / ardour_ui2.cc
1 /*
2     Copyright (C) 1999 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     $Id$
19 */
20
21 #include <fcntl.h>
22 #include <signal.h>
23 #include <unistd.h>
24 #include <cerrno>
25 #include <iostream>
26 #include <cmath>
27
28 #include <sigc++/bind.h>
29 #include <pbd/error.h>
30 #include <pbd/basename.h>
31 #include <pbd/fastlog.h>
32 #include <gtkmm2ext/utils.h>
33 #include <gtkmm2ext/click_box.h>
34 #include <gtkmm2ext/tearoff.h>
35
36 #include <ardour/audioengine.h>
37 #include <ardour/ardour.h>
38 #include <ardour/route.h>
39
40 #include "ardour_ui.h"
41 #include "public_editor.h"
42 #include "audio_clock.h"
43 #include "actions.h"
44 #include "utils.h"
45
46 #include "i18n.h"
47
48 using namespace std;
49 using namespace ARDOUR;
50 using namespace Gtkmm2ext;
51 using namespace Gtk;
52 using namespace Glib;
53 using namespace sigc;
54
55 int     
56 ARDOUR_UI::setup_windows ()
57 {
58         if (create_editor ()) {
59                 error << _("UI: cannot setup editor") << endmsg;
60                 return -1;
61         }
62
63         if (create_mixer ()) {
64                 error << _("UI: cannot setup mixer") << endmsg;
65                 return -1;
66         }
67
68         /* all other dialogs are created conditionally */
69
70         we_have_dependents ();
71
72         setup_clock ();
73         setup_transport();
74         setup_adjustables ();
75         build_menu_bar ();
76
77         top_packer.pack_start (menu_bar_base, false, false);
78         top_packer.pack_start (transport_frame, false, false);
79
80         editor->add_toplevel_controls (top_packer);
81
82         return 0;
83 }
84
85 void
86 ARDOUR_UI::setup_adjustables ()
87 {
88         adjuster_table.set_homogeneous (true);
89
90         online_control_strings.push_back (_("MMC + Local"));
91         online_control_strings.push_back (_("MMC"));
92         online_control_strings.push_back (_("Local"));
93
94         online_control_button = new GlobalClickBox ("CONTROL",
95                                                     online_control_strings);
96
97         online_control_button->adjustment.signal_value_changed().connect(mem_fun(*this,&ARDOUR_UI::control_methods_adjusted));
98
99         mmc_id_strings.push_back ("1");
100         mmc_id_strings.push_back ("2");
101         mmc_id_strings.push_back ("3");
102         mmc_id_strings.push_back ("4");
103         mmc_id_strings.push_back ("5");
104         mmc_id_strings.push_back ("6");
105         mmc_id_strings.push_back ("7");
106         mmc_id_strings.push_back ("8");
107         mmc_id_strings.push_back ("9");
108
109         mmc_id_button = new GlobalClickBox (_("MMC ID"), mmc_id_strings);
110
111         mmc_id_button->adjustment.signal_value_changed().connect (mem_fun(*this,&ARDOUR_UI::mmc_device_id_adjusted));
112
113         adjuster_table.attach (*online_control_button, 0, 2, 1, 2, FILL|EXPAND, FILL, 5, 5);
114         adjuster_table.attach (*mmc_id_button, 2, 3, 1, 2, FILL, FILL, 5, 5);
115 }
116
117 void
118 ARDOUR_UI::transport_stopped ()
119 {
120         stop_button.set_active (true);
121         
122         roll_button.set_active (false);
123         play_selection_button.set_active (false);
124         auto_loop_button.set_active (false);
125
126         shuttle_fract = 0;
127         shuttle_box.queue_draw ();
128
129         update_disk_space ();
130 }
131
132 static const double SHUTTLE_FRACT_SPEED1=0.48412291827; /* derived from A1,A2 */
133
134 void
135 ARDOUR_UI::transport_rolling ()
136 {
137         stop_button.set_active (false);
138         if (session->get_play_range()) {
139
140                 play_selection_button.set_active (true);
141                 roll_button.set_active (false);
142                 auto_loop_button.set_active (false);
143
144         } else if (session->get_auto_loop ()) {
145
146                 auto_loop_button.set_active (true);
147                 play_selection_button.set_active (false);
148                 roll_button.set_active (false);
149
150         } else {
151
152                 roll_button.set_active (true);
153                 play_selection_button.set_active (false);
154                 auto_loop_button.set_active (false);
155         }
156
157         /* reset shuttle controller */
158
159         shuttle_fract = SHUTTLE_FRACT_SPEED1;  /* speed = 1.0, believe it or not */
160         shuttle_box.queue_draw ();
161 }
162
163 void
164 ARDOUR_UI::transport_rewinding ()
165 {
166         stop_button.set_active(false);
167         roll_button.set_active (true);
168         play_selection_button.set_active (false);
169         auto_loop_button.set_active (false);
170 }
171
172 void
173 ARDOUR_UI::transport_forwarding ()
174 {
175         stop_button.set_active (false);
176         roll_button.set_active (true);
177         play_selection_button.set_active (false);
178         auto_loop_button.set_active (false);
179 }
180
181 void
182 ARDOUR_UI::setup_transport ()
183 {
184         transport_tearoff = manage (new TearOff (transport_tearoff_hbox));
185         transport_tearoff->set_name ("TransportBase");
186
187         transport_hbox.pack_start (*transport_tearoff, true, false);
188
189         transport_base.set_name ("TransportBase");
190         transport_base.add (transport_hbox);
191
192         transport_frame.set_shadow_type (SHADOW_OUT);
193         transport_frame.set_name ("BaseFrame");
194         transport_frame.add (transport_base);
195
196         transport_tearoff->Detach.connect (bind (mem_fun(*this, &ARDOUR_UI::detach_tearoff), static_cast<Box*>(&top_packer), 
197                                                  static_cast<Widget*>(&transport_frame)));
198         transport_tearoff->Attach.connect (bind (mem_fun(*this, &ARDOUR_UI::reattach_tearoff), static_cast<Box*> (&top_packer), 
199                                                  static_cast<Widget*> (&transport_frame), 1));
200         transport_tearoff->Hidden.connect (bind (mem_fun(*this, &ARDOUR_UI::detach_tearoff), static_cast<Box*>(&top_packer), 
201                                                  static_cast<Widget*>(&transport_frame)));
202         transport_tearoff->Visible.connect (bind (mem_fun(*this, &ARDOUR_UI::reattach_tearoff), static_cast<Box*> (&top_packer), 
203                                                   static_cast<Widget*> (&transport_frame), 1));
204         
205         shuttle_box.set_name ("TransportButton");
206         goto_start_button.set_name ("TransportButton");
207         goto_end_button.set_name ("TransportButton");
208         roll_button.set_name ("TransportButton");
209         stop_button.set_name ("TransportButton");
210         play_selection_button.set_name ("TransportButton");
211         rec_button.set_name ("TransportRecButton");
212         auto_loop_button.set_name ("TransportButton");
213         auto_return_button.set_name ("TransportButton");
214         auto_play_button.set_name ("TransportButton");
215         auto_input_button.set_name ("TransportButton");
216         punch_in_button.set_name ("TransportButton");
217         punch_out_button.set_name ("TransportButton");
218         click_button.set_name ("TransportButton");
219         time_master_button.set_name ("TransportButton");
220
221         vector<Gdk::Color> colors;
222         Gdk::Color c;
223
224         /* record button has 3 color states, so we set 2 extra here */
225         set_color(c, rgba_from_style ("TransportRecButton", 0xff, 0, 0, 0, "bg", Gtk::STATE_PRELIGHT, false ));
226         colors.push_back (c);
227         
228         set_color(c, rgba_from_style ("TransportRecButton", 0xff, 0, 0, 0, "bg", Gtk::STATE_ACTIVE, false ));
229         colors.push_back (c);
230         
231         rec_button.set_colors (colors);
232         colors.clear ();
233         
234         /* other buttons get 2 color states, so add one here */
235         set_color(c, rgba_from_style ("TransportButton", 0x7f, 0xff, 0x7f, 0, "bg", Gtk::STATE_ACTIVE, false ));
236         colors.push_back (c);
237
238         stop_button.set_colors (colors);
239         roll_button.set_colors (colors);
240         auto_loop_button.set_colors (colors);
241         play_selection_button.set_colors (colors);
242         goto_start_button.set_colors (colors);
243         goto_end_button.set_colors (colors);
244         
245         Widget* w;
246
247         stop_button.set_active (true);
248
249         w = manage (new Image (Stock::MEDIA_PREVIOUS, ICON_SIZE_BUTTON));
250         w->show();
251         goto_start_button.add (*w);
252         w = manage (new Image (Stock::MEDIA_NEXT, ICON_SIZE_BUTTON));
253         w->show();
254         goto_end_button.add (*w);
255         w = manage (new Image (Stock::MEDIA_PLAY, ICON_SIZE_BUTTON));
256         w->show();
257         roll_button.add (*w);
258         w = manage (new Image (Stock::MEDIA_STOP, ICON_SIZE_BUTTON));
259         w->show();
260         stop_button.add (*w);
261         w = manage (new Image (Stock::MEDIA_PLAY, ICON_SIZE_BUTTON));
262         w->show();
263         play_selection_button.add (*w);
264         w = manage (new Image (Stock::MEDIA_RECORD, ICON_SIZE_BUTTON));
265         w->show();
266         rec_button.add (*w);
267         w = manage (new Image (get_xpm("loop.xpm")));
268         w->show();
269         auto_loop_button.add (*w);
270
271         RefPtr<Action> act;
272
273         act = ActionManager::get_action (X_("Transport"), X_("Stop"));
274         act->connect_proxy (stop_button);
275         act = ActionManager::get_action (X_("Transport"), X_("Roll"));
276         act->connect_proxy (roll_button);
277         act = ActionManager::get_action (X_("Transport"), X_("Record"));
278         act->connect_proxy (rec_button);
279         act = ActionManager::get_action (X_("Transport"), X_("GotoStart"));
280         act->connect_proxy (goto_start_button);
281         act = ActionManager::get_action (X_("Transport"), X_("GotoEnd"));
282         act->connect_proxy (goto_end_button);
283         act = ActionManager::get_action (X_("Transport"), X_("Loop"));
284         act->connect_proxy (auto_loop_button);
285         act = ActionManager::get_action (X_("Transport"), X_("PlaySelection"));
286         act->connect_proxy (play_selection_button);
287         act = ActionManager::get_action (X_("Transport"), X_("ToggleTimeMaster"));
288         act->connect_proxy (time_master_button);
289
290         ARDOUR_UI::instance()->tooltips().set_tip (roll_button, _("Play from playhead"));
291         ARDOUR_UI::instance()->tooltips().set_tip (stop_button, _("Stop playback"));
292         ARDOUR_UI::instance()->tooltips().set_tip (play_selection_button, _("Play range/selection"));
293         ARDOUR_UI::instance()->tooltips().set_tip (goto_start_button, _("Go to start of session"));
294         ARDOUR_UI::instance()->tooltips().set_tip (goto_end_button, _("Go to end of session"));
295         ARDOUR_UI::instance()->tooltips().set_tip (auto_loop_button, _("Play loop range"));
296         ARDOUR_UI::instance()->tooltips().set_tip (auto_return_button, _("Return to last playback start when stopped"));
297         ARDOUR_UI::instance()->tooltips().set_tip (auto_play_button, _("Start playback after any locate"));
298         ARDOUR_UI::instance()->tooltips().set_tip (auto_input_button, _("Be sensible about input monitoring"));
299         ARDOUR_UI::instance()->tooltips().set_tip (punch_in_button, _("Start recording at auto-punch start"));
300         ARDOUR_UI::instance()->tooltips().set_tip (punch_out_button, _("Stop recording at auto-punch end"));
301         ARDOUR_UI::instance()->tooltips().set_tip (click_button, _("Enable/Disable audio click"));
302         ARDOUR_UI::instance()->tooltips().set_tip (sync_option_combo, _("Positional sync source"));
303         ARDOUR_UI::instance()->tooltips().set_tip (time_master_button, _("Does Ardour control the time?"));
304         ARDOUR_UI::instance()->tooltips().set_tip (shuttle_box, _("Shuttle speed control"));
305         ARDOUR_UI::instance()->tooltips().set_tip (shuttle_units_button, _("Select semitones or %%-age for speed display"));
306         ARDOUR_UI::instance()->tooltips().set_tip (speed_display_box, _("Current transport speed"));
307         
308         shuttle_box.set_flags (CAN_FOCUS);
309         shuttle_box.add_events (Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::BUTTON_PRESS_MASK|Gdk::POINTER_MOTION_MASK|Gdk::SCROLL_MASK);
310         shuttle_box.set_size_request (100, 15);
311
312         shuttle_box.signal_button_press_event().connect (mem_fun(*this, &ARDOUR_UI::shuttle_box_button_press));
313         shuttle_box.signal_button_release_event().connect (mem_fun(*this, &ARDOUR_UI::shuttle_box_button_release));
314         shuttle_box.signal_scroll_event().connect (mem_fun(*this, &ARDOUR_UI::shuttle_box_scroll));
315         shuttle_box.signal_motion_notify_event().connect (mem_fun(*this, &ARDOUR_UI::shuttle_box_motion));
316         shuttle_box.signal_expose_event().connect (mem_fun(*this, &ARDOUR_UI::shuttle_box_expose));
317
318         /* clocks, etc. */
319
320         ARDOUR_UI::Clock.connect (bind (mem_fun (primary_clock, &AudioClock::set), false));
321         ARDOUR_UI::Clock.connect (bind (mem_fun (secondary_clock, &AudioClock::set), false));
322
323         primary_clock.set_mode (AudioClock::SMPTE);
324         secondary_clock.set_mode (AudioClock::BBT);
325
326         primary_clock.ValueChanged.connect (mem_fun(*this, &ARDOUR_UI::primary_clock_value_changed));
327         secondary_clock.ValueChanged.connect (mem_fun(*this, &ARDOUR_UI::secondary_clock_value_changed));
328
329         ARDOUR_UI::instance()->tooltips().set_tip (primary_clock, _("Primary clock"));
330         ARDOUR_UI::instance()->tooltips().set_tip (secondary_clock, _("secondary clock"));
331
332         ActionManager::get_action ("Transport", "ToggleAutoReturn")->connect_proxy (auto_return_button);
333         ActionManager::get_action ("Transport", "ToggleAutoPlay")->connect_proxy (auto_play_button);
334         ActionManager::get_action ("Transport", "ToggleAutoInput")->connect_proxy (auto_input_button);
335         ActionManager::get_action ("Transport", "ToggleClick")->connect_proxy (click_button);
336         ActionManager::get_action ("Transport", "TogglePunchIn")->connect_proxy (punch_in_button);
337         ActionManager::get_action ("Transport", "TogglePunchOut")->connect_proxy (punch_out_button);
338
339         preroll_button.unset_flags (CAN_FOCUS);
340         preroll_button.set_events (preroll_button.get_events() & ~(Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK));
341         preroll_button.set_name ("TransportButton");
342
343         postroll_button.unset_flags (CAN_FOCUS);
344         postroll_button.set_events (postroll_button.get_events() & ~(Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK));
345         postroll_button.set_name ("TransportButton");
346
347         preroll_clock.set_mode (AudioClock::MinSec);
348         preroll_clock.set_name ("TransportClockDisplay");
349         postroll_clock.set_mode (AudioClock::MinSec);
350         postroll_clock.set_name ("TransportClockDisplay");
351
352         /* alerts */
353
354         /* CANNOT bind these to clicked or toggled, must use pressed or released */
355
356         solo_alert_button.set_name ("TransportSoloAlert");
357         solo_alert_button.signal_pressed().connect (mem_fun(*this,&ARDOUR_UI::solo_alert_toggle));
358         auditioning_alert_button.set_name ("TransportAuditioningAlert");
359         auditioning_alert_button.signal_pressed().connect (mem_fun(*this,&ARDOUR_UI::audition_alert_toggle));
360
361         alert_box.pack_start (solo_alert_button);
362         alert_box.pack_start (auditioning_alert_button);
363
364         transport_tearoff_hbox.set_border_width (5);
365
366         transport_tearoff_hbox.pack_start (goto_start_button, false, false);
367         transport_tearoff_hbox.pack_start (goto_end_button, false, false);
368
369         Frame* sframe = manage (new Frame);
370         VBox*  svbox = manage (new VBox);
371         HBox*  shbox = manage (new HBox);
372
373         sframe->set_shadow_type (SHADOW_IN);
374         sframe->add (shuttle_box);
375
376         shuttle_box.set_name (X_("ShuttleControl"));
377
378         speed_display_box.add (speed_display_label);
379         speed_display_box.set_name (X_("ShuttleDisplay"));
380
381         shuttle_units_button.set_name (X_("ShuttleButton"));
382         shuttle_units_button.signal_clicked().connect (mem_fun(*this, &ARDOUR_UI::shuttle_unit_clicked));
383         
384         shuttle_style_button.set_name (X_("ShuttleButton"));
385
386         vector<string> shuttle_strings;
387         shuttle_strings.push_back (_("sprung"));
388         shuttle_strings.push_back (_("wheel"));
389         set_popdown_strings (shuttle_style_button, shuttle_strings);
390         shuttle_style_button.signal_changed().connect (mem_fun (*this, &ARDOUR_UI::shuttle_style_changed));
391
392         Frame* sdframe = manage (new Frame);
393
394         sdframe->set_shadow_type (SHADOW_IN);
395         sdframe->add (speed_display_box);
396
397         mtc_port_changed ();
398         sync_option_combo.set_active_text (positional_sync_strings.front());
399         sync_option_combo.signal_changed().connect (mem_fun (*this, &ARDOUR_UI::sync_option_changed));
400
401         shbox->pack_start (*sdframe, false, false);
402         shbox->pack_start (shuttle_units_button, true, true);
403         shbox->pack_start (shuttle_style_button, false, false);
404         
405         svbox->pack_start (*sframe, false, false);
406         svbox->pack_start (*shbox, false, false);
407
408         transport_tearoff_hbox.pack_start (*svbox, false, false, 5);
409
410         transport_tearoff_hbox.pack_start (auto_loop_button, false, false);
411         transport_tearoff_hbox.pack_start (play_selection_button, false, false);
412         transport_tearoff_hbox.pack_start (roll_button, false, false);
413         transport_tearoff_hbox.pack_start (stop_button, false, false);
414         transport_tearoff_hbox.pack_start (rec_button, false, false, 10);
415
416         transport_tearoff_hbox.pack_start (primary_clock, false, false, 5);
417         transport_tearoff_hbox.pack_start (secondary_clock, false, false, 5);
418
419         transport_tearoff_hbox.pack_start (sync_option_combo, false, false);
420         transport_tearoff_hbox.pack_start (time_master_button, false, false);
421         transport_tearoff_hbox.pack_start (punch_in_button, false, false);
422         transport_tearoff_hbox.pack_start (punch_out_button, false, false);
423         transport_tearoff_hbox.pack_start (auto_input_button, false, false);
424         transport_tearoff_hbox.pack_start (auto_return_button, false, false);
425         transport_tearoff_hbox.pack_start (auto_play_button, false, false);
426         transport_tearoff_hbox.pack_start (click_button, false, false);
427         
428         /* desensitize */
429
430         set_transport_sensitivity (false);
431
432 //      transport_tearoff_hbox.pack_start (preroll_button, false, false);
433 //      transport_tearoff_hbox.pack_start (preroll_clock, false, false);
434
435 //      transport_tearoff_hbox.pack_start (postroll_button, false, false);
436 //      transport_tearoff_hbox.pack_start (postroll_clock, false, false);
437
438         transport_tearoff_hbox.pack_start (alert_box, false, false, 5);
439 }
440
441 void
442 ARDOUR_UI::setup_clock ()
443 {
444         ARDOUR_UI::Clock.connect (bind (mem_fun (big_clock, &AudioClock::set), false));
445         
446         big_clock_window = new Window (WINDOW_TOPLEVEL);
447         
448         big_clock_window->set_border_width (0);
449         big_clock_window->add  (big_clock);
450         big_clock_window->set_title (_("ardour: clock"));
451         big_clock_window->set_type_hint (Gdk::WINDOW_TYPE_HINT_MENU);
452         big_clock_window->signal_realize().connect (bind (sigc::ptr_fun (set_decoration), big_clock_window,  (Gdk::DECOR_BORDER|Gdk::DECOR_RESIZEH)));
453         big_clock_window->signal_unmap().connect (bind (sigc::ptr_fun(&ActionManager::uncheck_toggleaction), X_("<Actions>/Common/ToggleBigClock")));
454
455         manage_window (*big_clock_window);
456 }
457
458 void
459 ARDOUR_UI::manage_window (Window& win)
460 {
461         win.signal_delete_event().connect (bind (sigc::ptr_fun (just_hide_it), &win));
462         win.signal_enter_notify_event().connect (bind (mem_fun (Keyboard::the_keyboard(), &Keyboard::enter_window), &win));
463         win.signal_leave_notify_event().connect (bind (mem_fun (Keyboard::the_keyboard(), &Keyboard::leave_window), &win));
464 }
465
466 void
467 ARDOUR_UI::detach_tearoff (Box* b, Widget* w)
468 {
469 //      editor->ensure_float (transport_tearoff->tearoff_window());
470         b->remove (*w);
471 }
472
473 void
474 ARDOUR_UI::reattach_tearoff (Box* b, Widget* w, int32_t n)
475 {
476         b->pack_start (*w);
477         b->reorder_child (*w, n);
478 }
479
480 void
481 ARDOUR_UI::soloing_changed (bool onoff)
482 {
483         if (solo_alert_button.get_active() != onoff) {
484                 solo_alert_button.set_active (onoff);
485         }
486 }
487
488 void
489 ARDOUR_UI::_auditioning_changed (bool onoff)
490 {
491         if (auditioning_alert_button.get_active() != onoff) {
492                 auditioning_alert_button.set_active (onoff);
493                 set_transport_sensitivity (!onoff);
494         }
495 }
496
497 void
498 ARDOUR_UI::auditioning_changed (bool onoff)
499 {
500         Gtkmm2ext::UI::instance()->call_slot(bind (mem_fun(*this, &ARDOUR_UI::_auditioning_changed), onoff));
501 }
502
503 void
504 ARDOUR_UI::audition_alert_toggle ()
505 {
506         if (session) {
507                 session->cancel_audition();
508         }
509 }
510
511 void
512 ARDOUR_UI::solo_alert_toggle ()
513 {
514         if (session) {
515                 session->set_all_solo (!session->soloing());
516         }
517 }
518
519 void
520 ARDOUR_UI::solo_blink (bool onoff)
521 {
522         if (session == 0) {
523                 return;
524         }
525         
526         if (session->soloing()) {
527                 if (onoff) {
528                         solo_alert_button.set_state (STATE_ACTIVE);
529                 } else {
530                         solo_alert_button.set_state (STATE_NORMAL);
531                 }
532         } else {
533                 solo_alert_button.set_active (false);
534                 solo_alert_button.set_state (STATE_NORMAL);
535         }
536 }
537
538 void
539 ARDOUR_UI::audition_blink (bool onoff)
540 {
541         if (session == 0) {
542                 return;
543         }
544         
545         if (session->is_auditioning()) {
546                 if (onoff) {
547                         auditioning_alert_button.set_state (STATE_ACTIVE);
548                 } else {
549                         auditioning_alert_button.set_state (STATE_NORMAL);
550                 }
551         } else {
552                 auditioning_alert_button.set_active (false);
553                 auditioning_alert_button.set_state (STATE_NORMAL);
554         }
555 }
556
557 void
558 ARDOUR_UI::build_shuttle_context_menu ()
559 {
560         using namespace Menu_Helpers;
561
562         shuttle_context_menu = new Menu();
563         MenuList& items = shuttle_context_menu->items();
564
565         Menu* speed_menu = manage (new Menu());
566         MenuList& speed_items = speed_menu->items();
567
568         RadioMenuItem::Group group;
569
570         speed_items.push_back (RadioMenuElem (group, "8", bind (mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 8.0f)));
571         if (shuttle_max_speed == 8.0) {
572                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();        
573         }
574         speed_items.push_back (RadioMenuElem (group, "6", bind (mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 6.0f)));
575         if (shuttle_max_speed == 6.0) {
576                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();        
577         }
578         speed_items.push_back (RadioMenuElem (group, "4", bind (mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 4.0f)));
579         if (shuttle_max_speed == 4.0) {
580                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();        
581         }
582         speed_items.push_back (RadioMenuElem (group, "3", bind (mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 3.0f)));
583         if (shuttle_max_speed == 3.0) {
584                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();        
585         }
586         speed_items.push_back (RadioMenuElem (group, "2", bind (mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 2.0f)));
587         if (shuttle_max_speed == 2.0) {
588                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();        
589         }
590         speed_items.push_back (RadioMenuElem (group, "1.5", bind (mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 1.5f)));
591         if (shuttle_max_speed == 1.5) {
592                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();        
593         }
594
595         items.push_back (MenuElem (_("Maximum speed"), *speed_menu));
596 }
597
598 void
599 ARDOUR_UI::show_shuttle_context_menu ()
600 {
601         if (shuttle_context_menu == 0) {
602                 build_shuttle_context_menu ();
603         }
604
605         shuttle_context_menu->popup (1, 0);
606 }
607
608 void
609 ARDOUR_UI::set_shuttle_max_speed (float speed)
610 {
611         shuttle_max_speed = speed;
612 }
613
614 gint
615 ARDOUR_UI::shuttle_box_button_press (GdkEventButton* ev)
616 {
617         if (!session) {
618                 return true;
619         }
620
621         if (Keyboard::is_context_menu_event (ev)) {
622                 show_shuttle_context_menu ();
623                 return true;
624         }
625
626         switch (ev->button) {
627         case 1:
628                 shuttle_box.add_modal_grab ();
629                 shuttle_grabbed = true;
630                 mouse_shuttle (ev->x, true);
631                 break;
632
633         case 2:
634         case 3:
635                 return true;
636                 break;
637         }
638
639         return true;
640 }
641
642 gint
643 ARDOUR_UI::shuttle_box_button_release (GdkEventButton* ev)
644 {
645         if (!session) {
646                 return true;
647         }
648         
649         switch (ev->button) {
650         case 1:
651                 mouse_shuttle (ev->x, true);
652                 shuttle_grabbed = false;
653                 shuttle_box.remove_modal_grab ();
654                 if (shuttle_behaviour == Sprung) {
655                         shuttle_fract = SHUTTLE_FRACT_SPEED1;
656                         session->request_transport_speed (1.0);
657                         shuttle_box.queue_draw ();
658                 }
659                 return true;
660
661         case 2:
662                 if (session->transport_rolling()) {
663                         shuttle_fract = SHUTTLE_FRACT_SPEED1;
664                         session->request_transport_speed (1.0);
665                 } else {
666                         shuttle_fract = 0;
667                 }
668                 shuttle_box.queue_draw ();
669                 return true;
670
671         case 3:
672                 return true;
673                 
674         case 4:
675                 shuttle_fract += 0.005;
676                 break;
677         case 5:
678                 shuttle_fract -= 0.005;
679                 break;
680         }
681
682         use_shuttle_fract (true);
683
684         return true;
685 }
686
687 gint
688 ARDOUR_UI::shuttle_box_scroll (GdkEventScroll* ev)
689 {
690         if (!session) {
691                 return true;
692         }
693         
694         switch (ev->direction) {
695                 
696         case GDK_SCROLL_UP:
697                 shuttle_fract += 0.005;
698                 break;
699         case GDK_SCROLL_DOWN:
700                 shuttle_fract -= 0.005;
701                 break;
702         default:
703                 /* scroll left/right */
704                 return false;
705         }
706
707         use_shuttle_fract (true);
708
709         return true;
710 }
711
712 gint
713 ARDOUR_UI::shuttle_box_motion (GdkEventMotion* ev)
714 {
715         if (!session || !shuttle_grabbed) {
716                 return true;
717         }
718
719         return mouse_shuttle (ev->x, false);
720 }
721
722 gint
723 ARDOUR_UI::mouse_shuttle (double x, bool force)
724 {
725         double half_width = shuttle_box.get_width() / 2.0;
726         double distance = x - half_width;
727
728         if (distance > 0) {
729                 distance = min (distance, half_width);
730         } else {
731                 distance = max (distance, -half_width);
732         }
733
734         shuttle_fract = distance / half_width;
735         use_shuttle_fract (force);
736         return true;
737 }
738
739 void
740 ARDOUR_UI::use_shuttle_fract (bool force)
741 {
742         struct timeval now;
743         struct timeval diff;
744         
745         /* do not attempt to submit a motion-driven transport speed request
746            more than once per process cycle.
747          */
748
749         gettimeofday (&now, 0);
750         timersub (&now, &last_shuttle_request, &diff);
751
752         if (!force && (diff.tv_usec + (diff.tv_sec * 1000000)) < engine->usecs_per_cycle()) {
753                 return;
754         }
755         
756         last_shuttle_request = now;
757
758         bool neg = (shuttle_fract < 0.0);
759
760         double fract = 1 - sqrt (1 - (shuttle_fract * shuttle_fract)); // Formula A1
761
762         if (neg) {
763                 fract = -fract;
764         }
765
766         session->request_transport_speed (shuttle_max_speed * fract); // Formula A2
767         shuttle_box.queue_draw ();
768 }
769
770 gint
771 ARDOUR_UI::shuttle_box_expose (GdkEventExpose* event)
772 {
773         gint x;
774         Glib::RefPtr<Gdk::Window> win (shuttle_box.get_window());
775
776         /* redraw the background */
777
778         win->draw_rectangle (shuttle_box.get_style()->get_bg_gc (shuttle_box.get_state()),
779                              true,
780                              event->area.x, event->area.y,
781                              event->area.width, event->area.height);
782
783
784         x = (gint) floor ((shuttle_box.get_width() / 2.0) + (0.5 * (shuttle_box.get_width() * shuttle_fract)));
785
786         /* draw line */
787
788         win->draw_line (shuttle_box.get_style()->get_fg_gc (shuttle_box.get_state()),
789                         x,
790                         0,
791                         x,
792                         shuttle_box.get_height());
793         return true;
794 }
795
796 void
797 ARDOUR_UI::shuttle_unit_clicked ()
798 {
799         if (shuttle_unit_menu == 0) {
800                 shuttle_unit_menu = dynamic_cast<Menu*> (ActionManager::get_widget ("/ShuttleUnitPopup"));
801         }
802         shuttle_unit_menu->popup (1, 0);
803 }
804
805 void
806 ARDOUR_UI::set_shuttle_units (ShuttleUnits u)
807 {
808         switch ((shuttle_units = u)) {
809         case Percentage:
810                 shuttle_units_button.set_label("% ");
811                 break;
812         case Semitones:
813                 shuttle_units_button.set_label(_("st"));
814                 break;
815         }
816 }
817
818 void
819 ARDOUR_UI::shuttle_style_changed ()
820 {
821         ustring str = shuttle_style_button.get_active_text ();
822
823         if (str == _("sprung")) {
824                 set_shuttle_behaviour (Sprung);
825         } else if (str == _("wheel")) {
826                 set_shuttle_behaviour (Wheel);
827         }
828 }
829
830
831 void
832 ARDOUR_UI::set_shuttle_behaviour (ShuttleBehaviour b)
833 {
834         switch ((shuttle_behaviour = b)) {
835         case Sprung:
836                 shuttle_style_button.set_active_text (_("sprung"));
837                 shuttle_fract = 0.0;
838                 shuttle_box.queue_draw ();
839                 if (session) {
840                         if (session->transport_rolling()) {
841                                 shuttle_fract = SHUTTLE_FRACT_SPEED1;
842                                 session->request_transport_speed (1.0);
843                         }
844                 }
845                 break;
846         case Wheel:
847                 shuttle_style_button.set_active_text (_("wheel"));
848                 break;
849         }
850 }
851
852 void
853 ARDOUR_UI::update_speed_display ()
854 {
855         if (!session) {
856                 if (last_speed_displayed != 0) {
857                         speed_display_label.set_text (_("stopped"));
858                         last_speed_displayed = 0;
859                 }
860                 return;
861         }
862
863         char buf[32];
864         float x = session->transport_speed ();
865
866         if (x != last_speed_displayed) {
867
868                 if (x != 0) {
869                         if (shuttle_units == Percentage) {
870                                 snprintf (buf, sizeof (buf), "%.4f", x);
871                         } else {
872                                 if (x < 0) {
873                                         snprintf (buf, sizeof (buf), "< %.1f", 12.0 * fast_log2 (-x));
874                                 } else {
875                                         snprintf (buf, sizeof (buf), "> %.1f", 12.0 * fast_log2 (x));
876                                 }
877                         }
878                         speed_display_label.set_text (buf);
879                 } else {
880                         speed_display_label.set_text (_("stopped"));
881                 }
882
883                 last_speed_displayed = x;
884         }
885 }       
886         
887 void
888 ARDOUR_UI::set_transport_sensitivity (bool yn)
889 {
890         ActionManager::set_sensitive (ActionManager::transport_sensitive_actions, yn);
891         shuttle_box.set_sensitive (yn);
892 }
893
894 void
895 ARDOUR_UI::editor_realized ()
896 {
897         set_size_request_to_display_given_text (speed_display_box, _("stopped"), 2, 2);
898         /* XXX: this should really be saved in instant.xml or something similar and restored from there */
899         shuttle_style_button.set_active_text (_("sprung"));
900         const guint32 FUDGE = 20; // Combo's are stupid - they steal space from the entry for the button
901         set_size_request_to_display_given_text (shuttle_style_button, _("sprung"), 2+FUDGE, 10);
902 }
903
904 void
905 ARDOUR_UI::sync_option_changed ()
906 {
907         string which;
908
909         if (session == 0) {
910                 return;
911         }
912
913         which = sync_option_combo.get_active_text();
914
915         if (which == positional_sync_strings[Session::None]) {
916                 session->request_slave_source (Session::None);
917         } else if (which == positional_sync_strings[Session::MTC]) {
918                 session->request_slave_source (Session::MTC);
919         } else if (which == positional_sync_strings[Session::JACK]) {
920                 session->request_slave_source (Session::JACK);
921         } 
922 }
923
924 void
925 ARDOUR_UI::maximise_editing_space ()
926 {
927         if (!editor) {
928                 return;
929         }
930
931         transport_tearoff->set_visible (false);
932         editor->maximise_editing_space ();
933 }
934
935 void
936 ARDOUR_UI::restore_editing_space ()
937 {
938         if (!editor) {
939                 return;
940         }
941
942         transport_tearoff->set_visible (true);
943         editor->restore_editing_space ();
944 }