2 Copyright (C) 2000 Paul Davis
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.
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.
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.
20 #include <cstdio> // for sprintf, grrr
25 #include <ardour/tempo.h>
26 #include <gtkmm2ext/gtk_ui.h>
30 #include "gtk-custom-hruler.h"
31 #include "gui_thread.h"
36 using namespace ARDOUR;
39 using namespace Editing;
41 Editor *Editor::ruler_editor;
43 /* the order here must match the "metric" enums in editor.h */
45 GtkCustomMetric Editor::ruler_metrics[4] = {
46 {1, Editor::_metric_get_smpte },
47 {1, Editor::_metric_get_bbt },
48 {1, Editor::_metric_get_frames },
49 {1, Editor::_metric_get_minsec }
53 Editor::initialize_rulers ()
56 ruler_grabbed_widget = 0;
58 _ruler_separator = new Gtk::HSeparator();
59 _ruler_separator->set_size_request(-1, 2);
60 _ruler_separator->show();
62 _smpte_ruler = gtk_custom_hruler_new ();
63 smpte_ruler = Glib::wrap (_smpte_ruler);
64 smpte_ruler->set_name ("SMPTERuler");
65 smpte_ruler->set_size_request (-1, (int)timebar_height);
66 gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_smpte_ruler), &ruler_metrics[ruler_metric_smpte]);
67 ruler_shown[ruler_metric_smpte] = true;
69 _bbt_ruler = gtk_custom_hruler_new ();
70 bbt_ruler = Glib::wrap (_bbt_ruler);
71 bbt_ruler->set_name ("BBTRuler");
72 bbt_ruler->set_size_request (-1, (int)timebar_height);
73 gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_bbt_ruler), &ruler_metrics[ruler_metric_bbt]);
74 ruler_shown[ruler_metric_bbt] = true;
76 _frames_ruler = gtk_custom_hruler_new ();
77 frames_ruler = Glib::wrap (_frames_ruler);
78 frames_ruler->set_name ("FramesRuler");
79 frames_ruler->set_size_request (-1, (int)timebar_height);
80 gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_frames_ruler), &ruler_metrics[ruler_metric_frames]);
82 _minsec_ruler = gtk_custom_hruler_new ();
83 minsec_ruler = Glib::wrap (_minsec_ruler);
84 minsec_ruler->set_name ("MinSecRuler");
85 minsec_ruler->set_size_request (-1, (int)timebar_height);
86 gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_minsec_ruler), &ruler_metrics[ruler_metric_minsec]);
88 ruler_shown[ruler_time_meter] = true;
89 ruler_shown[ruler_time_tempo] = true;
90 ruler_shown[ruler_time_marker] = true;
91 ruler_shown[ruler_time_range_marker] = true;
92 ruler_shown[ruler_time_transport_marker] = true;
93 ruler_shown[ruler_metric_frames] = false;
94 ruler_shown[ruler_metric_minsec] = false;
96 smpte_ruler->set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
97 bbt_ruler->set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
98 frames_ruler->set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
99 minsec_ruler->set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
101 smpte_ruler->signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_button_release));
102 bbt_ruler->signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_button_release));
103 frames_ruler->signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_button_release));
104 minsec_ruler->signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_button_release));
106 smpte_ruler->signal_button_press_event().connect (mem_fun(*this, &Editor::ruler_button_press));
107 bbt_ruler->signal_button_press_event().connect (mem_fun(*this, &Editor::ruler_button_press));
108 frames_ruler->signal_button_press_event().connect (mem_fun(*this, &Editor::ruler_button_press));
109 minsec_ruler->signal_button_press_event().connect (mem_fun(*this, &Editor::ruler_button_press));
111 smpte_ruler->signal_motion_notify_event().connect (mem_fun(*this, &Editor::ruler_mouse_motion));
112 bbt_ruler->signal_motion_notify_event().connect (mem_fun(*this, &Editor::ruler_mouse_motion));
113 frames_ruler->signal_motion_notify_event().connect (mem_fun(*this, &Editor::ruler_mouse_motion));
114 minsec_ruler->signal_motion_notify_event().connect (mem_fun(*this, &Editor::ruler_mouse_motion));
116 visible_timebars = 7; /* 4 here, 3 in time_canvas */
117 ruler_pressed_button = 0;
122 Editor::ruler_button_press (GdkEventButton* ev)
128 ruler_pressed_button = ev->button;
130 // jlc: grab ev->window ?
131 //Gtk::Main::grab_add (*minsec_ruler);
132 Widget * grab_widget = 0;
134 if (smpte_ruler->is_realized() && ev->window == smpte_ruler->get_window()->gobj()) grab_widget = smpte_ruler;
135 else if (bbt_ruler->is_realized() && ev->window == bbt_ruler->get_window()->gobj()) grab_widget = bbt_ruler;
136 else if (frames_ruler->is_realized() && ev->window == frames_ruler->get_window()->gobj()) grab_widget = frames_ruler;
137 else if (minsec_ruler->is_realized() && ev->window == minsec_ruler->get_window()->gobj()) grab_widget = minsec_ruler;
140 grab_widget->add_modal_grab ();
141 ruler_grabbed_widget = grab_widget;
145 Gdk::ModifierType state;
147 /* need to use the correct x,y, the event lies */
148 time_canvas_event_box.get_window()->get_pointer (x, y, state);
150 nframes_t where = leftmost_frame + pixel_to_frame (x);
152 switch (ev->button) {
154 // Since we are about to move the playhead, cancel any running
156 if (session->is_auditioning()) {
157 session->cancel_audition ();
159 /* transport playhead */
161 session->request_locate (where);
166 if (snap_type != Editing::SnapToEditCursor) {
169 edit_cursor->set_position (where);
170 edit_cursor_clock.set (where);
181 Editor::ruler_button_release (GdkEventButton* ev)
184 Gdk::ModifierType state;
186 /* need to use the correct x,y, the event lies */
187 time_canvas_event_box.get_window()->get_pointer (x, y, state);
189 ruler_pressed_button = 0;
195 hide_verbose_canvas_cursor();
196 stop_canvas_autoscroll();
198 nframes_t where = leftmost_frame + pixel_to_frame (x);
200 switch (ev->button) {
202 /* transport playhead */
204 session->request_locate (where);
209 if (snap_type != Editing::SnapToEditCursor) {
212 edit_cursor->set_position (where);
213 edit_cursor_clock.set (where);
219 popup_ruler_menu (where);
227 if (ruler_grabbed_widget) {
228 ruler_grabbed_widget->remove_modal_grab();
229 ruler_grabbed_widget = 0;
236 Editor::ruler_label_button_release (GdkEventButton* ev)
248 Editor::ruler_mouse_motion (GdkEventMotion* ev)
250 if (session == 0 || !ruler_pressed_button) {
258 Gdk::ModifierType state;
260 /* need to use the correct x,y, the event lies */
261 time_canvas_event_box.get_window()->get_pointer (x, y, state);
263 time_canvas.c2w (x, y, wcx, wcy);
264 time_canvas.w2c (wcx, wcy, cx, cy);
267 nframes_t where = event_frame ((GdkEvent*) ev, &wcx, (double *) 0);
270 /// ripped from maybe_autoscroll, and adapted to work here
271 nframes_t one_page = (nframes_t) rint (canvas_width * frames_per_unit);
272 nframes_t rightmost_frame = leftmost_frame + one_page;
274 jack_nframes_t frame = pixel_to_frame (cx);
276 if (autoscroll_timeout_tag < 0) {
277 if (frame > rightmost_frame) {
278 if (rightmost_frame < max_frames) {
279 start_canvas_autoscroll (1);
281 } else if (frame < leftmost_frame) {
282 if (leftmost_frame > 0) {
283 start_canvas_autoscroll (-1);
287 if (frame >= leftmost_frame && frame < rightmost_frame) {
288 stop_canvas_autoscroll ();
297 switch (ruler_pressed_button) {
299 /* transport playhead */
300 cursor = playhead_cursor;
305 cursor = edit_cursor;
313 cursor->set_position (where);
315 if (cursor == edit_cursor) {
316 edit_cursor_clock.set (where);
319 show_verbose_time_cursor (where, 10, cx, 0);
327 Editor::popup_ruler_menu (nframes_t where, ItemType t)
329 using namespace Menu_Helpers;
331 if (editor_ruler_menu == 0) {
332 editor_ruler_menu = new Menu;
333 editor_ruler_menu->set_name ("ArdourContextMenu");
336 // always build from scratch
337 MenuList& ruler_items = editor_ruler_menu->items();
338 editor_ruler_menu->set_name ("ArdourContextMenu");
341 CheckMenuItem * mitem;
343 no_ruler_shown_update = true;
347 ruler_items.push_back (MenuElem (_("New location marker"), bind ( mem_fun(*this, &Editor::mouse_add_new_marker), where)));
348 ruler_items.push_back (MenuElem (_("Clear all locations"), mem_fun(*this, &Editor::clear_markers)));
349 ruler_items.push_back (MenuElem (_("Unhide locations"), mem_fun(*this, &Editor::unhide_markers)));
350 ruler_items.push_back (SeparatorElem ());
352 case RangeMarkerBarItem:
353 //ruler_items.push_back (MenuElem (_("New Range")));
354 ruler_items.push_back (MenuElem (_("Clear all ranges"), mem_fun(*this, &Editor::clear_ranges)));
355 ruler_items.push_back (MenuElem (_("Unhide ranges"), mem_fun(*this, &Editor::unhide_ranges)));
356 ruler_items.push_back (SeparatorElem ());
359 case TransportMarkerBarItem:
364 ruler_items.push_back (MenuElem (_("New Tempo"), bind ( mem_fun(*this, &Editor::mouse_add_new_tempo_event), where)));
365 ruler_items.push_back (MenuElem (_("Clear tempo")));
366 ruler_items.push_back (SeparatorElem ());
370 ruler_items.push_back (MenuElem (_("New Meter"), bind ( mem_fun(*this, &Editor::mouse_add_new_meter_event), where)));
371 ruler_items.push_back (MenuElem (_("Clear meter")));
372 ruler_items.push_back (SeparatorElem ());
379 ruler_items.push_back (CheckMenuElem (_("Min:Secs"), bind (mem_fun(*this, &Editor::ruler_toggled), (int)ruler_metric_minsec)));
380 mitem = (CheckMenuItem *) &ruler_items.back();
381 if (ruler_shown[ruler_metric_minsec]) {
382 mitem->set_active(true);
385 ruler_items.push_back (CheckMenuElem (_("Timecode"), bind (mem_fun(*this, &Editor::ruler_toggled), (int)ruler_metric_smpte)));
386 mitem = (CheckMenuItem *) &ruler_items.back();
387 if (ruler_shown[ruler_metric_smpte]) {
388 mitem->set_active(true);
391 ruler_items.push_back (CheckMenuElem (_("Frames"), bind (mem_fun(*this, &Editor::ruler_toggled), (int)ruler_metric_frames)));
392 mitem = (CheckMenuItem *) &ruler_items.back();
393 if (ruler_shown[ruler_metric_frames]) {
394 mitem->set_active(true);
397 ruler_items.push_back (CheckMenuElem (_("Bars:Beats"), bind (mem_fun(*this, &Editor::ruler_toggled), (int)ruler_metric_bbt)));
398 mitem = (CheckMenuItem *) &ruler_items.back();
399 if (ruler_shown[ruler_metric_bbt]) {
400 mitem->set_active(true);
403 ruler_items.push_back (SeparatorElem ());
405 ruler_items.push_back (CheckMenuElem (_("Meter"), bind (mem_fun(*this, &Editor::ruler_toggled), (int)ruler_time_meter)));
406 mitem = (CheckMenuItem *) &ruler_items.back();
407 if (ruler_shown[ruler_time_meter]) {
408 mitem->set_active(true);
411 ruler_items.push_back (CheckMenuElem (_("Tempo"), bind (mem_fun(*this, &Editor::ruler_toggled), (int)ruler_time_tempo)));
412 mitem = (CheckMenuItem *) &ruler_items.back();
413 if (ruler_shown[ruler_time_tempo]) {
414 mitem->set_active(true);
417 ruler_items.push_back (CheckMenuElem (_("Location Markers"), bind (mem_fun(*this, &Editor::ruler_toggled), (int)ruler_time_marker)));
418 mitem = (CheckMenuItem *) &ruler_items.back();
419 if (ruler_shown[ruler_time_marker]) {
420 mitem->set_active(true);
423 ruler_items.push_back (CheckMenuElem (_("Range Markers"), bind (mem_fun(*this, &Editor::ruler_toggled), (int)ruler_time_range_marker)));
424 mitem = (CheckMenuItem *) &ruler_items.back();
425 if (ruler_shown[ruler_time_range_marker]) {
426 mitem->set_active(true);
429 ruler_items.push_back (CheckMenuElem (_("Loop/Punch Ranges"), bind (mem_fun(*this, &Editor::ruler_toggled), (int)ruler_time_transport_marker)));
430 mitem = (CheckMenuItem *) &ruler_items.back();
431 if (ruler_shown[ruler_time_transport_marker]) {
432 mitem->set_active(true);
435 editor_ruler_menu->popup (1, gtk_get_current_event_time());
437 no_ruler_shown_update = false;
441 Editor::ruler_toggled (int ruler)
443 if (!session) return;
444 if (ruler < 0 || ruler >= (int) sizeof(ruler_shown)) return;
446 if (no_ruler_shown_update) return;
448 if (ruler_shown[ruler]) {
449 if (visible_timebars <= 1) {
450 // must always have 1 visible
455 ruler_shown[ruler] = !ruler_shown[ruler];
457 update_ruler_visibility ();
459 // update session extra RulerVisibility
460 store_ruler_visibility ();
464 Editor::store_ruler_visibility ()
466 XMLNode* node = new XMLNode(X_("RulerVisibility"));
468 node->add_property (X_("smpte"), ruler_shown[ruler_metric_smpte] ? "yes": "no");
469 node->add_property (X_("bbt"), ruler_shown[ruler_metric_bbt] ? "yes": "no");
470 node->add_property (X_("frames"), ruler_shown[ruler_metric_frames] ? "yes": "no");
471 node->add_property (X_("minsec"), ruler_shown[ruler_metric_minsec] ? "yes": "no");
472 node->add_property (X_("tempo"), ruler_shown[ruler_time_tempo] ? "yes": "no");
473 node->add_property (X_("meter"), ruler_shown[ruler_time_meter] ? "yes": "no");
474 node->add_property (X_("marker"), ruler_shown[ruler_time_marker] ? "yes": "no");
475 node->add_property (X_("rangemarker"), ruler_shown[ruler_time_range_marker] ? "yes": "no");
476 node->add_property (X_("transportmarker"), ruler_shown[ruler_time_transport_marker] ? "yes": "no");
478 session->add_extra_xml (*node);
479 session->set_dirty ();
483 Editor::restore_ruler_visibility ()
486 XMLNode * node = session->extra_xml (X_("RulerVisibility"));
489 if ((prop = node->property ("smpte")) != 0) {
490 if (prop->value() == "yes")
491 ruler_shown[ruler_metric_smpte] = true;
493 ruler_shown[ruler_metric_smpte] = false;
495 if ((prop = node->property ("bbt")) != 0) {
496 if (prop->value() == "yes")
497 ruler_shown[ruler_metric_bbt] = true;
499 ruler_shown[ruler_metric_bbt] = false;
501 if ((prop = node->property ("frames")) != 0) {
502 if (prop->value() == "yes")
503 ruler_shown[ruler_metric_frames] = true;
505 ruler_shown[ruler_metric_frames] = false;
507 if ((prop = node->property ("minsec")) != 0) {
508 if (prop->value() == "yes")
509 ruler_shown[ruler_metric_minsec] = true;
511 ruler_shown[ruler_metric_minsec] = false;
513 if ((prop = node->property ("tempo")) != 0) {
514 if (prop->value() == "yes")
515 ruler_shown[ruler_time_tempo] = true;
517 ruler_shown[ruler_time_tempo] = false;
519 if ((prop = node->property ("meter")) != 0) {
520 if (prop->value() == "yes")
521 ruler_shown[ruler_time_meter] = true;
523 ruler_shown[ruler_time_meter] = false;
525 if ((prop = node->property ("marker")) != 0) {
526 if (prop->value() == "yes")
527 ruler_shown[ruler_time_marker] = true;
529 ruler_shown[ruler_time_marker] = false;
531 if ((prop = node->property ("rangemarker")) != 0) {
532 if (prop->value() == "yes")
533 ruler_shown[ruler_time_range_marker] = true;
535 ruler_shown[ruler_time_range_marker] = false;
537 if ((prop = node->property ("transportmarker")) != 0) {
538 if (prop->value() == "yes")
539 ruler_shown[ruler_time_transport_marker] = true;
541 ruler_shown[ruler_time_transport_marker] = false;
546 update_ruler_visibility ();
551 Editor::update_ruler_visibility ()
553 using namespace Box_Helpers;
554 BoxList & lab_children = time_button_vbox.children();
555 BoxList & ruler_children = time_canvas_vbox.children();
557 visible_timebars = 0;
559 lab_children.clear();
561 // leave the last one (the time_canvas) intact
562 while (ruler_children.size() > 1) {
563 ruler_children.pop_front();
566 BoxList::iterator canvaspos = ruler_children.begin();
568 _smpte_ruler = gtk_custom_hruler_new ();
569 smpte_ruler = Glib::wrap (_smpte_ruler);
570 smpte_ruler->set_name ("SMPTERuler");
571 smpte_ruler->set_size_request (-1, (int)timebar_height);
572 gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_smpte_ruler), &ruler_metrics[ruler_metric_smpte]);
574 _bbt_ruler = gtk_custom_hruler_new ();
575 bbt_ruler = Glib::wrap (_bbt_ruler);
576 bbt_ruler->set_name ("BBTRuler");
577 bbt_ruler->set_size_request (-1, (int)timebar_height);
578 gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_bbt_ruler), &ruler_metrics[ruler_metric_bbt]);
580 _frames_ruler = gtk_custom_hruler_new ();
581 frames_ruler = Glib::wrap (_frames_ruler);
582 frames_ruler->set_name ("FramesRuler");
583 frames_ruler->set_size_request (-1, (int)timebar_height);
584 gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_frames_ruler), &ruler_metrics[ruler_metric_frames]);
586 _minsec_ruler = gtk_custom_hruler_new ();
587 minsec_ruler = Glib::wrap (_minsec_ruler);
588 minsec_ruler->set_name ("MinSecRuler");
589 minsec_ruler->set_size_request (-1, (int)timebar_height);
590 gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_minsec_ruler), &ruler_metrics[ruler_metric_minsec]);
593 smpte_ruler->set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
594 bbt_ruler->set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
595 frames_ruler->set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
596 minsec_ruler->set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
598 smpte_ruler->signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_button_release));
599 bbt_ruler->signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_button_release));
600 frames_ruler->signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_button_release));
601 minsec_ruler->signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_button_release));
603 smpte_ruler->signal_button_press_event().connect (mem_fun(*this, &Editor::ruler_button_press));
604 bbt_ruler->signal_button_press_event().connect (mem_fun(*this, &Editor::ruler_button_press));
605 frames_ruler->signal_button_press_event().connect (mem_fun(*this, &Editor::ruler_button_press));
606 minsec_ruler->signal_button_press_event().connect (mem_fun(*this, &Editor::ruler_button_press));
608 smpte_ruler->signal_motion_notify_event().connect (mem_fun(*this, &Editor::ruler_mouse_motion));
609 bbt_ruler->signal_motion_notify_event().connect (mem_fun(*this, &Editor::ruler_mouse_motion));
610 frames_ruler->signal_motion_notify_event().connect (mem_fun(*this, &Editor::ruler_mouse_motion));
611 minsec_ruler->signal_motion_notify_event().connect (mem_fun(*this, &Editor::ruler_mouse_motion));
613 ruler_children.insert (canvaspos, Element(*_ruler_separator, PACK_SHRINK, PACK_START));
615 if (ruler_shown[ruler_metric_minsec]) {
616 lab_children.push_back (Element(minsec_label, PACK_SHRINK, PACK_START));
617 ruler_children.insert (canvaspos, Element(*minsec_ruler, PACK_SHRINK, PACK_START));
621 if (ruler_shown[ruler_metric_smpte]) {
622 lab_children.push_back (Element(smpte_label, PACK_SHRINK, PACK_START));
623 ruler_children.insert (canvaspos, Element(*smpte_ruler, PACK_SHRINK, PACK_START));
627 if (ruler_shown[ruler_metric_frames]) {
628 lab_children.push_back (Element(frame_label, PACK_SHRINK, PACK_START));
629 ruler_children.insert (canvaspos, Element(*frames_ruler, PACK_SHRINK, PACK_START));
633 if (ruler_shown[ruler_metric_bbt]) {
634 lab_children.push_back (Element(bbt_label, PACK_SHRINK, PACK_START));
635 ruler_children.insert (canvaspos, Element(*bbt_ruler, PACK_SHRINK, PACK_START));
640 double old_unit_pos ;
642 if (ruler_shown[ruler_time_meter]) {
643 lab_children.push_back (Element(meter_label, PACK_SHRINK, PACK_START));
645 old_unit_pos = meter_group->property_y();
646 if (tbpos != old_unit_pos) {
647 meter_group->move ( 0.0, tbpos - old_unit_pos);
650 tbpos += timebar_height;
657 if (ruler_shown[ruler_time_tempo]) {
658 lab_children.push_back (Element(tempo_label, PACK_SHRINK, PACK_START));
659 old_unit_pos = tempo_group->property_y();
660 if (tbpos != old_unit_pos) {
661 tempo_group->move(0.0, tbpos - old_unit_pos);
664 tbpos += timebar_height;
671 if (ruler_shown[ruler_time_marker]) {
672 lab_children.push_back (Element(mark_label, PACK_SHRINK, PACK_START));
673 old_unit_pos = marker_group->property_y();
674 if (tbpos != old_unit_pos) {
675 marker_group->move ( 0.0, tbpos - old_unit_pos);
677 marker_group->show();
678 tbpos += timebar_height;
682 marker_group->hide();
685 if (ruler_shown[ruler_time_range_marker]) {
686 lab_children.push_back (Element(range_mark_label, PACK_SHRINK, PACK_START));
687 old_unit_pos = range_marker_group->property_y();
688 if (tbpos != old_unit_pos) {
689 range_marker_group->move (0.0, tbpos - old_unit_pos);
691 range_marker_group->show();
692 tbpos += timebar_height;
696 range_marker_group->hide();
699 if (ruler_shown[ruler_time_transport_marker]) {
700 lab_children.push_back (Element(transport_mark_label, PACK_SHRINK, PACK_START));
701 old_unit_pos = transport_marker_group->property_y();
702 if (tbpos != old_unit_pos) {
703 transport_marker_group->move ( 0.0, tbpos - old_unit_pos);
705 transport_marker_group->show();
706 tbpos += timebar_height;
710 transport_marker_group->hide();
713 time_canvas_vbox.set_size_request (-1, (int)(timebar_height * visible_timebars));
714 time_canvas_event_box.queue_resize();
716 update_fixed_rulers();
717 //update_tempo_based_rulers();
718 redisplay_tempo (false);
720 time_canvas_event_box.show_all();
721 time_button_frame.show_all();
725 Editor::update_just_smpte ()
727 ENSURE_GUI_THREAD(mem_fun(*this, &Editor::update_just_smpte));
733 /* XXX Note the potential loss of accuracy here as we convert from
734 an uint32_t (or larger) to a float ... what to do ?
737 nframes_t page = (nframes_t) floor (canvas_width * frames_per_unit);
738 nframes_t rightmost_frame = leftmost_frame + page;
740 if (ruler_shown[ruler_metric_smpte]) {
741 gtk_custom_ruler_set_range (GTK_CUSTOM_RULER(_smpte_ruler), leftmost_frame, rightmost_frame,
742 leftmost_frame, session->current_end_frame());
747 Editor::update_fixed_rulers ()
749 nframes_t rightmost_frame;
755 /* XXX Note the potential loss of accuracy here as we convert from
756 an uint32_t (or larger) to a float ... what to do ?
759 nframes_t page = (nframes_t) floor (canvas_width * frames_per_unit);
761 ruler_metrics[ruler_metric_smpte].units_per_pixel = frames_per_unit;
762 ruler_metrics[ruler_metric_frames].units_per_pixel = frames_per_unit;
763 ruler_metrics[ruler_metric_minsec].units_per_pixel = frames_per_unit;
765 rightmost_frame = leftmost_frame + page;
767 /* these force a redraw, which in turn will force execution of the metric callbacks
768 to compute the relevant ticks to display.
771 if (ruler_shown[ruler_metric_smpte]) {
772 gtk_custom_ruler_set_range (GTK_CUSTOM_RULER(_smpte_ruler), leftmost_frame, rightmost_frame,
773 leftmost_frame, session->current_end_frame());
776 if (ruler_shown[ruler_metric_frames]) {
777 gtk_custom_ruler_set_range (GTK_CUSTOM_RULER(_frames_ruler), leftmost_frame, rightmost_frame,
778 leftmost_frame, session->current_end_frame());
781 if (ruler_shown[ruler_metric_minsec]) {
782 gtk_custom_ruler_set_range (GTK_CUSTOM_RULER(_minsec_ruler), leftmost_frame, rightmost_frame,
783 leftmost_frame, session->current_end_frame());
788 Editor::update_tempo_based_rulers ()
794 /* XXX Note the potential loss of accuracy here as we convert from
795 an uint32_t (or larger) to a float ... what to do ?
798 nframes_t page = (nframes_t) floor (canvas_width * frames_per_unit);
799 ruler_metrics[ruler_metric_bbt].units_per_pixel = frames_per_unit;
801 if (ruler_shown[ruler_metric_bbt]) {
802 gtk_custom_ruler_set_range (GTK_CUSTOM_RULER(_bbt_ruler), leftmost_frame, leftmost_frame+page,
803 leftmost_frame, session->current_end_frame());
807 /* Mark generation */
810 Editor::_metric_get_smpte (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
812 return ruler_editor->metric_get_smpte (marks, lower, upper, maxchars);
816 Editor::_metric_get_bbt (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
818 return ruler_editor->metric_get_bbt (marks, lower, upper, maxchars);
822 Editor::_metric_get_frames (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
824 return ruler_editor->metric_get_frames (marks, lower, upper, maxchars);
828 Editor::_metric_get_minsec (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
830 return ruler_editor->metric_get_minsec (marks, lower, upper, maxchars);
834 Editor::metric_get_smpte (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
844 bool show_bits = false;
845 bool show_frames = false;
846 bool show_seconds = false;
847 bool show_minutes = false;
848 bool show_hours = false;
855 fr = session->frame_rate();
857 if (lower > (spacer = (nframes_t)(128 * Editor::get_current_zoom ()))) {
858 lower = lower - spacer;
862 upper = upper + spacer;
863 range = (nframes_t) floor (upper - lower);
865 if (range < (2 * session->frames_per_smpte_frame())) { /* 0 - 2 frames */
868 nmarks = 1 + (2 * Config->get_subframes_per_frame());
869 } else if (range <= (fr / 4)) { /* 2 frames - 0.250 second */
872 nmarks = 1 + (range / (nframes_t)session->frames_per_smpte_frame());
873 } else if (range <= (fr / 2)) { /* 0.25-0.5 second */
876 nmarks = 1 + (range / (nframes_t)session->frames_per_smpte_frame());
877 } else if (range <= fr) { /* 0.5-1 second */
880 nmarks = 1 + (range / (nframes_t)session->frames_per_smpte_frame());
881 } else if (range <= 2 * fr) { /* 1-2 seconds */
884 nmarks = 1 + (range / (nframes_t)session->frames_per_smpte_frame());
885 } else if (range <= 8 * fr) { /* 2-8 seconds */
888 nmarks = 1 + (range / fr);
889 } else if (range <= 16 * fr) { /* 8-16 seconds */
892 nmarks = 1 + (range / fr);
893 } else if (range <= 30 * fr) { /* 16-30 seconds */
896 nmarks = 1 + (range / fr);
897 } else if (range <= 60 * fr) { /* 30-60 seconds */
900 nmarks = 1 + (range / fr);
901 } else if (range <= 2 * 60 * fr) { /* 1-2 minutes */
904 nmarks = 1 + (range / fr);
905 } else if (range <= 4 * 60 * fr) { /* 2-4 minutes */
908 nmarks = 1 + (range / fr);
909 } else if (range <= 10 * 60 * fr) { /* 4-10 minutes */
913 } else if (range <= 30 * 60 * fr) { /* 10-30 minutes */
917 } else if (range <= 60 * 60 * fr) { /* 30 minutes - 1hr */
921 } else if (range <= 4 * 60 * 60 * fr) { /* 1 - 4 hrs*/
924 nmarks = 1 + (60 * 4);
925 } else if (range <= 8 * 60 * 60 * fr) { /* 4 - 8 hrs*/
929 } else if (range <= 16 * 60 * 60 * fr) { /* 16-24 hrs*/
935 /* not possible if nframes_t is a 32 bit quantity */
942 pos = (nframes_t) floor (lower);
944 *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
947 // Find smpte time of this sample (pos) with subframe accuracy
948 session->sample_to_smpte(pos, smpte, true /* use_offset */, true /* use_subframes */ );
950 for (n = 0; n < nmarks; n++) {
951 session->smpte_to_sample(smpte, pos, true /* use_offset */, true /* use_subframes */ );
952 if ((smpte.subframes % mark_modulo) == 0) {
953 if (smpte.subframes == 0) {
954 (*marks)[n].style = GtkCustomRulerMarkMajor;
955 snprintf (buf, sizeof(buf), "%s%02u:%02u:%02u:%02u", smpte.negative ? "-" : "", smpte.hours, smpte.minutes, smpte.seconds, smpte.frames);
957 (*marks)[n].style = GtkCustomRulerMarkMinor;
958 snprintf (buf, sizeof(buf), ".%02u", smpte.subframes);
961 snprintf (buf, sizeof(buf)," ");
962 (*marks)[n].style = GtkCustomRulerMarkMicro;
965 (*marks)[n].label = g_strdup (buf);
966 (*marks)[n].position = pos;
968 // Increment subframes by one
969 SMPTE::increment_subframes( smpte );
971 } else if (show_seconds) {
972 // Find smpte time of this sample (pos)
973 session->sample_to_smpte(pos, smpte, true /* use_offset */, false /* use_subframes */ );
974 // Go to next whole second down
975 SMPTE::seconds_floor( smpte );
977 for (n = 0; n < nmarks; n++) {
978 session->smpte_to_sample(smpte, pos, true /* use_offset */, false /* use_subframes */ );
979 if ((smpte.seconds % mark_modulo) == 0) {
980 if (smpte.seconds == 0) {
981 (*marks)[n].style = GtkCustomRulerMarkMajor;
982 (*marks)[n].position = pos;
984 (*marks)[n].style = GtkCustomRulerMarkMinor;
985 (*marks)[n].position = pos;
987 snprintf (buf, sizeof(buf), "%s%02u:%02u:%02u:%02u", smpte.negative ? "-" : "", smpte.hours, smpte.minutes, smpte.seconds, smpte.frames);
989 snprintf (buf, sizeof(buf)," ");
990 (*marks)[n].style = GtkCustomRulerMarkMicro;
991 (*marks)[n].position = pos;
994 (*marks)[n].label = g_strdup (buf);
995 SMPTE::increment_seconds( smpte );
997 } else if (show_minutes) {
998 // Find smpte time of this sample (pos)
999 session->sample_to_smpte(pos, smpte, true /* use_offset */, false /* use_subframes */ );
1000 // Go to next whole minute down
1001 SMPTE::minutes_floor( smpte );
1003 for (n = 0; n < nmarks; n++) {
1004 session->smpte_to_sample(smpte, pos, true /* use_offset */, false /* use_subframes */ );
1005 if ((smpte.minutes % mark_modulo) == 0) {
1006 if (smpte.minutes == 0) {
1007 (*marks)[n].style = GtkCustomRulerMarkMajor;
1009 (*marks)[n].style = GtkCustomRulerMarkMinor;
1011 snprintf (buf, sizeof(buf), "%s%02u:%02u:%02u:%02u", smpte.negative ? "-" : "", smpte.hours, smpte.minutes, smpte.seconds, smpte.frames);
1013 snprintf (buf, sizeof(buf)," ");
1014 (*marks)[n].style = GtkCustomRulerMarkMicro;
1017 (*marks)[n].label = g_strdup (buf);
1018 (*marks)[n].position = pos;
1019 SMPTE::increment_minutes( smpte );
1021 } else if (show_hours) {
1022 // Find smpte time of this sample (pos)
1023 session->sample_to_smpte(pos, smpte, true /* use_offset */, false /* use_subframes */ );
1024 // Go to next whole hour down
1025 SMPTE::hours_floor( smpte );
1027 for (n = 0; n < nmarks; n++) {
1028 session->smpte_to_sample(smpte, pos, true /* use_offset */, false /* use_subframes */ );
1029 if ((smpte.hours % mark_modulo) == 0) {
1030 (*marks)[n].style = GtkCustomRulerMarkMajor;
1031 snprintf (buf, sizeof(buf), "%s%02u:%02u:%02u:%02u", smpte.negative ? "-" : "", smpte.hours, smpte.minutes, smpte.seconds, smpte.frames);
1033 snprintf (buf, sizeof(buf)," ");
1034 (*marks)[n].style = GtkCustomRulerMarkMicro;
1037 (*marks)[n].label = g_strdup (buf);
1038 (*marks)[n].position = pos;
1040 SMPTE::increment_hours( smpte );
1042 } else { // show_frames
1043 // Find smpte time of this sample (pos)
1044 session->sample_to_smpte(pos, smpte, true /* use_offset */, false /* use_subframes */ );
1045 // Go to next whole frame down
1046 SMPTE::frames_floor( smpte );
1048 for (n = 0; n < nmarks; n++) {
1049 session->smpte_to_sample(smpte, pos, true /* use_offset */, false /* use_subframes */ );
1050 if ((smpte.frames % mark_modulo) == 0) {
1051 (*marks)[n].style = GtkCustomRulerMarkMajor;
1052 (*marks)[n].position = pos;
1053 snprintf (buf, sizeof(buf), "%s%02u:%02u:%02u:%02u", smpte.negative ? "-" : "", smpte.hours, smpte.minutes, smpte.seconds, smpte.frames);
1055 snprintf (buf, sizeof(buf)," ");
1056 (*marks)[n].style = GtkCustomRulerMarkMicro;
1057 (*marks)[n].position = pos;
1060 (*marks)[n].label = g_strdup (buf);
1061 SMPTE::increment( smpte );
1070 Editor::metric_get_bbt (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
1076 TempoMap::BBTPointList::iterator i;
1080 uint32_t desirable_marks;
1081 uint32_t magic_accent_number = 1;
1086 bool bar_helper_on = true;
1089 nframes_t next_beat_pos;
1091 if ((desirable_marks = maxchars / 7) == 0) {
1095 /* align the tick marks to whatever we're snapping to... */
1097 switch (snap_type) {
1098 case SnapToAThirdBeat:
1099 bbt_beat_subdivision = 3;
1101 case SnapToAQuarterBeat:
1102 bbt_beat_subdivision = 4;
1104 case SnapToAEighthBeat:
1105 bbt_beat_subdivision = 8;
1106 magic_accent_number = 2;
1108 case SnapToASixteenthBeat:
1109 bbt_beat_subdivision = 16;
1110 magic_accent_number = 4;
1112 case SnapToAThirtysecondBeat:
1113 bbt_beat_subdivision = 32;
1114 magic_accent_number = 8;
1117 bbt_beat_subdivision = 4;
1121 if (current_bbt_points == 0 || current_bbt_points->empty()) {
1125 i = current_bbt_points->end();
1127 bars = (*i).bar - (*current_bbt_points->begin()).bar;
1128 beats = current_bbt_points->size() - bars;
1130 /*Only show the bar helper if there aren't many bars on the screen */
1132 bar_helper_on = false;
1135 if (desirable_marks > (beats / 4)) {
1137 /* we're in beat land...*/
1142 nframes_t frame_skip;
1143 double frame_skip_error;
1144 double accumulated_error;
1145 double position_of_helper;
1146 bool i_am_accented = false;
1147 bool we_need_ticks = false;
1148 bool helper_active = false;
1150 position_of_helper = lower + (30 * Editor::get_current_zoom ());
1152 if (desirable_marks >= (beats)) {
1153 nmarks = (beats * bbt_beat_subdivision) + 1;
1154 we_need_ticks = true;
1159 *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
1161 (*marks)[0].label = g_strdup(" ");
1162 (*marks)[0].position = lower;
1163 (*marks)[0].style = GtkCustomRulerMarkMicro;
1165 for (n = 1, i = current_bbt_points->begin(); n < nmarks && i != current_bbt_points->end(); ++i) {
1167 if ((*i).frame < lower && (bar_helper_on)) {
1168 snprintf (buf, sizeof(buf), "<%" PRIu32 "|%" PRIu32, (*i).bar, (*i).beat);
1169 (*marks)[0].label = g_strdup (buf);
1170 helper_active = true;
1173 if ((*i).type == TempoMap::Bar) {
1174 if (((*i).frame < position_of_helper) && helper_active) {
1175 snprintf (buf, sizeof(buf), " ");
1177 snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
1179 (*marks)[n].label = g_strdup (buf);
1180 (*marks)[n].position = (*i).frame;
1181 (*marks)[n].style = GtkCustomRulerMarkMajor;
1184 } else if (((*i).type == TempoMap::Beat) && ((*i).beat > 1)) {
1185 ((((*i).frame < position_of_helper) && bar_helper_on) || !we_need_ticks) ?
1186 snprintf (buf, sizeof(buf), " ") : snprintf (buf, sizeof(buf), "%" PRIu32, (*i).beat);
1187 if (((*i).beat % 2 == 1) || we_need_ticks) {
1188 (*marks)[n].style = GtkCustomRulerMarkMinor;
1190 (*marks)[n].style = GtkCustomRulerMarkMicro;
1192 (*marks)[n].label = g_strdup (buf);
1193 (*marks)[n].position = (*i).frame;
1200 /* Add the tick marks */
1202 if (we_need_ticks && (*i).type == TempoMap::Beat) {
1204 /* Find the next beat */
1206 next_beat.beats = (*i).beat;
1207 next_beat.bars = (*i).bar;
1209 if ((*i).meter->beats_per_bar() > (next_beat.beats + 1)) {
1210 next_beat.beats += 1;
1212 next_beat.bars += 1;
1213 next_beat.beats = 1;
1216 next_beat_pos = session->tempo_map().frame_time(next_beat);
1218 frame_skip = (nframes_t) floor (frame_skip_error = (session->frame_rate() * 60) / (bbt_beat_subdivision * (*i).tempo->beats_per_minute()));
1219 frame_skip_error -= frame_skip;
1220 skip = (uint32_t) (Meter::ticks_per_beat / bbt_beat_subdivision);
1222 pos = (*i).frame + frame_skip;
1223 accumulated_error = frame_skip_error;
1227 for (t = 0; (tick < Meter::ticks_per_beat) && (n < nmarks) && (pos < next_beat_pos) ; pos += frame_skip, tick += skip, ++t) {
1229 if (t % magic_accent_number == (magic_accent_number - 1)) {
1230 i_am_accented = true;
1232 if (Editor::get_current_zoom () > 32) {
1233 snprintf (buf, sizeof(buf), " ");
1234 } else if ((Editor::get_current_zoom () > 8) && !i_am_accented) {
1235 snprintf (buf, sizeof(buf), " ");
1236 } else if (bar_helper_on && (pos < position_of_helper)) {
1237 snprintf (buf, sizeof(buf), " ");
1239 snprintf (buf, sizeof(buf), "%" PRIu32, tick);
1242 (*marks)[n].label = g_strdup (buf);
1244 /* Error compensation for float to nframes_t*/
1245 accumulated_error += frame_skip_error;
1246 if (accumulated_error > 1) {
1248 accumulated_error -= 1.0f;
1251 (*marks)[n].position = pos;
1253 if ((bbt_beat_subdivision > 4) && i_am_accented) {
1254 (*marks)[n].style = GtkCustomRulerMarkMinor;
1256 (*marks)[n].style = GtkCustomRulerMarkMicro;
1258 i_am_accented = false;
1264 return n; //return the actual number of marks made, since we might have skipped some fro fractional time signatures
1268 /* we're in bar land */
1270 if (desirable_marks < (bars / 256)) {
1272 *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
1273 snprintf (buf, sizeof(buf), "too many bars... (currently %" PRIu32 ")", bars );
1274 (*marks)[0].style = GtkCustomRulerMarkMajor;
1275 (*marks)[0].label = g_strdup (buf);
1276 (*marks)[0].position = lower;
1277 } else if (desirable_marks < (uint32_t)(nmarks = (gint) (bars / 64) + 1)) {
1278 *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
1279 for (n = 0, i = current_bbt_points->begin(); i != current_bbt_points->end() && n < nmarks; i++) {
1280 if ((*i).type == TempoMap::Bar) {
1281 if ((*i).bar % 64 == 1) {
1282 if ((*i).bar % 256 == 1) {
1283 snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
1284 (*marks)[n].style = GtkCustomRulerMarkMajor;
1286 snprintf (buf, sizeof(buf), " ");
1287 if ((*i).bar % 256 == 129) {
1288 (*marks)[n].style = GtkCustomRulerMarkMinor;
1290 (*marks)[n].style = GtkCustomRulerMarkMicro;
1293 (*marks)[n].label = g_strdup (buf);
1294 (*marks)[n].position = (*i).frame;
1299 } else if (desirable_marks < (uint32_t)(nmarks = (bars / 16) + 1)) {
1300 *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
1301 for (n = 0, i = current_bbt_points->begin(); i != current_bbt_points->end() && n < nmarks; i++) {
1302 if ((*i).type == TempoMap::Bar) {
1303 if ((*i).bar % 16 == 1) {
1304 if ((*i).bar % 64 == 1) {
1305 snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
1306 (*marks)[n].style = GtkCustomRulerMarkMajor;
1308 snprintf (buf, sizeof(buf), " ");
1309 if ((*i).bar % 64 == 33) {
1310 (*marks)[n].style = GtkCustomRulerMarkMinor;
1312 (*marks)[n].style = GtkCustomRulerMarkMicro;
1315 (*marks)[n].label = g_strdup (buf);
1316 (*marks)[n].position = (*i).frame;
1321 } else if (desirable_marks < (uint32_t)(nmarks = (bars / 4) + 1)){
1322 *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
1323 for (n = 0, i = current_bbt_points->begin(); i != current_bbt_points->end() && n < nmarks; ++i) {
1324 if ((*i).type == TempoMap::Bar) {
1325 if ((*i).bar % 4 == 1) {
1326 if ((*i).bar % 16 == 1) {
1327 snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
1328 (*marks)[n].style = GtkCustomRulerMarkMajor;
1330 snprintf (buf, sizeof(buf), " ");
1331 if ((*i).bar % 16 == 9) {
1332 (*marks)[n].style = GtkCustomRulerMarkMinor;
1334 (*marks)[n].style = GtkCustomRulerMarkMicro;
1337 (*marks)[n].label = g_strdup (buf);
1338 (*marks)[n].position = (*i).frame;
1345 *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks );
1346 for (n = 0, i = current_bbt_points->begin(); i != current_bbt_points->end() && n < nmarks; i++) {
1347 if ((*i).type == TempoMap::Bar) {
1348 if ((*i).bar % 4 == 1) {
1349 snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
1350 (*marks)[n].style = GtkCustomRulerMarkMajor;
1352 snprintf (buf, sizeof(buf), " ");
1353 if ((*i).bar % 4 == 3) {
1354 (*marks)[n].style = GtkCustomRulerMarkMinor;
1356 (*marks)[n].style = GtkCustomRulerMarkMicro;
1359 (*marks)[n].label = g_strdup (buf);
1360 (*marks)[n].position = (*i).frame;
1370 Editor::metric_get_frames (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
1372 nframes_t mark_interval;
1374 nframes_t ilower = (nframes_t) floor (lower);
1375 nframes_t iupper = (nframes_t) floor (upper);
1384 mark_interval = (iupper - ilower) / 5;
1385 if (mark_interval > session->frame_rate()) {
1386 mark_interval -= mark_interval % session->frame_rate();
1388 mark_interval = session->frame_rate() / (session->frame_rate() / mark_interval ) ;
1391 *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
1392 for (n = 0, pos = ilower; n < nmarks; pos += mark_interval, ++n) {
1393 snprintf (buf, sizeof(buf), "%u", pos);
1394 (*marks)[n].label = g_strdup (buf);
1395 (*marks)[n].position = pos;
1396 (*marks)[n].style = GtkCustomRulerMarkMajor;
1403 sample_to_clock_parts ( nframes_t sample,
1404 nframes_t sample_rate,
1418 hrs = left / (sample_rate * 60 * 60);
1419 left -= hrs * sample_rate * 60 * 60;
1420 mins = left / (sample_rate * 60);
1421 left -= mins * sample_rate * 60;
1422 secs = left / sample_rate;
1423 left -= secs * sample_rate;
1424 millisecs = left * 1000 / sample_rate;
1426 *millisecs_p = millisecs;
1435 Editor::metric_get_minsec (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
1439 nframes_t mark_interval;
1442 long hrs, mins, secs, millisecs;
1446 gint mark_modulo = 100;
1447 bool show_seconds = false;
1448 bool show_minutes = false;
1449 bool show_hours = false;
1450 nframes_t ilower = (nframes_t) floor (lower);
1451 nframes_t iupper = (nframes_t) floor (upper);
1457 fr = session->frame_rate();
1459 /* to prevent 'flashing' */
1460 if (lower > (spacer = (nframes_t)(128 * Editor::get_current_zoom ()))) {
1461 lower = lower - spacer;
1465 upper = upper + spacer;
1466 range = iupper - ilower;
1468 if (range < (fr / 50)) {
1469 mark_interval = fr / 100; /* show 1/100 seconds */
1471 } else if (range <= (fr / 10)) { /* 0-0.1 second */
1472 mark_interval = fr / 50; /* show 1/50 seconds */
1474 } else if (range <= (fr / 2)) { /* 0-0.5 second */
1475 mark_interval = fr / 20; /* show 1/20 seconds */
1477 } else if (range <= fr) { /* 0-1 second */
1478 mark_interval = fr / 10; /* show 1/10 seconds */
1480 } else if (range <= 2 * fr) { /* 1-2 seconds */
1481 mark_interval = fr / 2; /* show 1/2 seconds */
1483 } else if (range <= 8 * fr) { /* 2-5 seconds */
1484 mark_interval = fr / 5; /* show 2 seconds */
1486 } else if (range <= 16 * fr) { /* 8-16 seconds */
1487 mark_interval = fr; /* show 1 seconds */
1488 show_seconds = true;
1490 } else if (range <= 30 * fr) { /* 10-30 seconds */
1491 mark_interval = fr; /* show 10 seconds */
1492 show_seconds = true;
1494 } else if (range <= 60 * fr) { /* 30-60 seconds */
1495 mark_interval = 5 * fr; /* show 5 seconds */
1496 show_seconds = true;
1498 } else if (range <= 2 * 60 * fr) { /* 1-2 minutes */
1499 mark_interval = 5 * fr; /* show 5 seconds */
1500 show_seconds = true;
1502 } else if (range <= 4 * 60 * fr) { /* 4 minutes */
1503 mark_interval = 10 * fr; /* show 10 seconds */
1504 show_seconds = true;
1506 } else if (range <= 10 * 60 * fr) { /* 10 minutes */
1507 mark_interval = 30 * fr; /* show 30 seconds */
1508 show_seconds = true;
1510 } else if (range <= 30 * 60 * fr) { /* 10-30 minutes */
1511 mark_interval = 60 * fr; /* show 1 minute */
1512 show_minutes = true;
1514 } else if (range <= 60 * 60 * fr) { /* 30 minutes - 1hr */
1515 mark_interval = 2 * 60 * fr; /* show 2 minutes */
1516 show_minutes = true;
1518 } else if (range <= 4 * 60 * 60 * fr) { /* 1 - 4 hrs*/
1519 mark_interval = 5 * 60 * fr; /* show 10 minutes */
1520 show_minutes = true;
1522 } else if (range <= 8 * 60 * 60 * fr) { /* 4 - 8 hrs*/
1523 mark_interval = 20 * 60 * fr; /* show 20 minutes */
1524 show_minutes = true;
1526 } else if (range <= 16 * 60 * 60 * fr) { /* 16-24 hrs*/
1527 mark_interval = 60 * 60 * fr; /* show 60 minutes */
1532 /* not possible if nframes_t is a 32 bit quantity */
1534 mark_interval = 4 * 60 * 60 * fr; /* show 4 hrs */
1537 nmarks = 1 + (range / mark_interval);
1538 *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
1539 pos = ((ilower + (mark_interval/2))/mark_interval) * mark_interval;
1542 for (n = 0; n < nmarks; pos += mark_interval, ++n) {
1543 sample_to_clock_parts (pos, fr, &hrs, &mins, &secs, &millisecs);
1544 if (secs % mark_modulo == 0) {
1546 (*marks)[n].style = GtkCustomRulerMarkMajor;
1548 (*marks)[n].style = GtkCustomRulerMarkMinor;
1550 snprintf (buf, sizeof(buf), "%02ld:%02ld:%02ld.%03ld", hrs, mins, secs, millisecs);
1552 snprintf (buf, sizeof(buf), " ");
1553 (*marks)[n].style = GtkCustomRulerMarkMicro;
1555 (*marks)[n].label = g_strdup (buf);
1556 (*marks)[n].position = pos;
1558 } else if (show_minutes) {
1559 for (n = 0; n < nmarks; pos += mark_interval, ++n) {
1560 sample_to_clock_parts (pos, fr, &hrs, &mins, &secs, &millisecs);
1561 if (mins % mark_modulo == 0) {
1563 (*marks)[n].style = GtkCustomRulerMarkMajor;
1565 (*marks)[n].style = GtkCustomRulerMarkMinor;
1567 snprintf (buf, sizeof(buf), "%02ld:%02ld:%02ld.%03ld", hrs, mins, secs, millisecs);
1569 snprintf (buf, sizeof(buf), " ");
1570 (*marks)[n].style = GtkCustomRulerMarkMicro;
1572 (*marks)[n].label = g_strdup (buf);
1573 (*marks)[n].position = pos;
1575 } else if (show_hours) {
1576 for (n = 0; n < nmarks; pos += mark_interval, ++n) {
1577 sample_to_clock_parts (pos, fr, &hrs, &mins, &secs, &millisecs);
1578 if (hrs % mark_modulo == 0) {
1579 (*marks)[n].style = GtkCustomRulerMarkMajor;
1580 snprintf (buf, sizeof(buf), "%02ld:%02ld:%02ld.%03ld", hrs, mins, secs, millisecs);
1582 snprintf (buf, sizeof(buf), " ");
1583 (*marks)[n].style = GtkCustomRulerMarkMicro;
1585 (*marks)[n].label = g_strdup (buf);
1586 (*marks)[n].position = pos;
1589 for (n = 0; n < nmarks; pos += mark_interval, ++n) {
1590 sample_to_clock_parts (pos, fr, &hrs, &mins, &secs, &millisecs);
1591 if (millisecs % mark_modulo == 0) {
1592 if (millisecs == 0) {
1593 (*marks)[n].style = GtkCustomRulerMarkMajor;
1595 (*marks)[n].style = GtkCustomRulerMarkMinor;
1597 snprintf (buf, sizeof(buf), "%02ld:%02ld:%02ld.%03ld", hrs, mins, secs, millisecs);
1599 snprintf (buf, sizeof(buf), " ");
1600 (*marks)[n].style = GtkCustomRulerMarkMicro;
1602 (*marks)[n].label = g_strdup (buf);
1603 (*marks)[n].position = pos;