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.
21 #include <cstdio> // for sprintf, grrr
26 #include <ardour/tempo.h>
27 #include <ardour/smpte.h>
28 #include <gtkmm2ext/gtk_ui.h>
32 #include "gtk-custom-hruler.h"
33 #include "gui_thread.h"
38 using namespace ARDOUR;
40 using namespace Editing;
42 Editor *Editor::ruler_editor;
44 /* the order here must match the "metric" enums in editor.h */
46 GtkCustomMetric Editor::ruler_metrics[4] = {
47 {1, Editor::_metric_get_smpte },
48 {1, Editor::_metric_get_bbt },
49 {1, Editor::_metric_get_frames },
50 {1, Editor::_metric_get_minsec }
54 Editor::initialize_rulers ()
57 ruler_grabbed_widget = 0;
59 _smpte_ruler = gtk_custom_hruler_new ();
60 smpte_ruler = Glib::wrap (_smpte_ruler);
61 smpte_ruler->set_name ("SMPTERuler");
62 smpte_ruler->set_size_request (-1, (int)timebar_height);
63 gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_smpte_ruler), &ruler_metrics[ruler_metric_smpte]);
64 ruler_shown[ruler_metric_smpte] = true;
66 _bbt_ruler = gtk_custom_hruler_new ();
67 bbt_ruler = Glib::wrap (_bbt_ruler);
68 bbt_ruler->set_name ("BBTRuler");
69 bbt_ruler->set_size_request (-1, (int)timebar_height);
70 gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_bbt_ruler), &ruler_metrics[ruler_metric_bbt]);
71 ruler_shown[ruler_metric_bbt] = true;
73 _frames_ruler = gtk_custom_hruler_new ();
74 frames_ruler = Glib::wrap (_frames_ruler);
75 frames_ruler->set_name ("FramesRuler");
76 frames_ruler->set_size_request (-1, (int)timebar_height);
77 gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_frames_ruler), &ruler_metrics[ruler_metric_frames]);
79 _minsec_ruler = gtk_custom_hruler_new ();
80 minsec_ruler = Glib::wrap (_minsec_ruler);
81 minsec_ruler->set_name ("MinSecRuler");
82 minsec_ruler->set_size_request (-1, (int)timebar_height);
83 gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_minsec_ruler), &ruler_metrics[ruler_metric_minsec]);
85 ruler_shown[ruler_time_meter] = true;
86 ruler_shown[ruler_time_tempo] = true;
87 ruler_shown[ruler_time_marker] = true;
88 ruler_shown[ruler_time_range_marker] = true;
89 ruler_shown[ruler_time_transport_marker] = true;
90 ruler_shown[ruler_metric_frames] = false;
91 ruler_shown[ruler_metric_minsec] = false;
93 smpte_ruler->set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
94 bbt_ruler->set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
95 frames_ruler->set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
96 minsec_ruler->set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
98 smpte_ruler->signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_button_release));
99 bbt_ruler->signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_button_release));
100 frames_ruler->signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_button_release));
101 minsec_ruler->signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_button_release));
103 smpte_ruler->signal_button_press_event().connect (mem_fun(*this, &Editor::ruler_button_press));
104 bbt_ruler->signal_button_press_event().connect (mem_fun(*this, &Editor::ruler_button_press));
105 frames_ruler->signal_button_press_event().connect (mem_fun(*this, &Editor::ruler_button_press));
106 minsec_ruler->signal_button_press_event().connect (mem_fun(*this, &Editor::ruler_button_press));
108 smpte_ruler->signal_motion_notify_event().connect (mem_fun(*this, &Editor::ruler_mouse_motion));
109 bbt_ruler->signal_motion_notify_event().connect (mem_fun(*this, &Editor::ruler_mouse_motion));
110 frames_ruler->signal_motion_notify_event().connect (mem_fun(*this, &Editor::ruler_mouse_motion));
111 minsec_ruler->signal_motion_notify_event().connect (mem_fun(*this, &Editor::ruler_mouse_motion));
113 visible_timebars = 7; /* 4 here, 3 in time_canvas */
114 ruler_pressed_button = 0;
119 Editor::ruler_button_press (GdkEventButton* ev)
125 ruler_pressed_button = ev->button;
127 // jlc: grab ev->window ?
128 //Gtk::Main::grab_add (*minsec_ruler);
129 Widget * grab_widget = 0;
131 if (smpte_ruler->is_realized() && ev->window == smpte_ruler->get_window()->gobj()) grab_widget = smpte_ruler;
132 else if (bbt_ruler->is_realized() && ev->window == bbt_ruler->get_window()->gobj()) grab_widget = bbt_ruler;
133 else if (frames_ruler->is_realized() && ev->window == frames_ruler->get_window()->gobj()) grab_widget = frames_ruler;
134 else if (minsec_ruler->is_realized() && ev->window == minsec_ruler->get_window()->gobj()) grab_widget = minsec_ruler;
137 grab_widget->add_modal_grab ();
138 ruler_grabbed_widget = grab_widget;
145 Editor::ruler_button_release (GdkEventButton* ev)
148 Gdk::ModifierType state;
150 /* need to use the correct x,y, the event lies */
151 time_canvas_event_box.get_window()->get_pointer (x, y, state);
154 ruler_pressed_button = 0;
160 hide_verbose_canvas_cursor();
161 stop_canvas_autoscroll();
163 jack_nframes_t where = leftmost_frame + pixel_to_frame (x);
165 switch (ev->button) {
167 /* transport playhead */
169 session->request_locate (where);
174 if (snap_type != Editing::SnapToEditCursor) {
177 edit_cursor->set_position (where);
178 edit_cursor_clock.set (where);
184 popup_ruler_menu (where);
192 if (ruler_grabbed_widget) {
193 ruler_grabbed_widget->remove_modal_grab();
194 ruler_grabbed_widget = 0;
201 Editor::ruler_label_button_release (GdkEventButton* ev)
213 Editor::ruler_mouse_motion (GdkEventMotion* ev)
215 if (session == 0 || !ruler_pressed_button) {
223 Gdk::ModifierType state;
225 /* need to use the correct x,y, the event lies */
226 time_canvas_event_box.get_window()->get_pointer (x, y, state);
229 track_canvas.c2w (x, y, wcx, wcy);
230 track_canvas.w2c (wcx, wcy, cx, cy);
232 jack_nframes_t where = leftmost_frame + pixel_to_frame (x);
234 /// ripped from maybe_autoscroll
235 jack_nframes_t one_page = (jack_nframes_t) rint (canvas_width * frames_per_unit);
236 jack_nframes_t rightmost_frame = leftmost_frame + one_page;
238 jack_nframes_t frame = pixel_to_frame (cx);
240 if (autoscroll_timeout_tag < 0) {
241 if (frame > rightmost_frame) {
242 if (rightmost_frame < max_frames) {
243 start_canvas_autoscroll (1);
245 } else if (frame < leftmost_frame) {
246 if (leftmost_frame > 0) {
247 start_canvas_autoscroll (-1);
251 if (frame >= leftmost_frame && frame < rightmost_frame) {
252 stop_canvas_autoscroll ();
261 switch (ruler_pressed_button) {
263 /* transport playhead */
264 cursor = playhead_cursor;
269 cursor = edit_cursor;
278 cursor->set_position (where);
280 if (cursor == edit_cursor) {
281 edit_cursor_clock.set (where);
284 show_verbose_time_cursor (where, 10, cx, 0);
292 Editor::popup_ruler_menu (jack_nframes_t where, ItemType t)
294 using namespace Menu_Helpers;
296 if (editor_ruler_menu == 0) {
297 editor_ruler_menu = new Menu;
298 editor_ruler_menu->set_name ("ArdourContextMenu");
301 // always build from scratch
302 MenuList& ruler_items = editor_ruler_menu->items();
303 editor_ruler_menu->set_name ("ArdourContextMenu");
306 CheckMenuItem * mitem;
308 no_ruler_shown_update = true;
312 ruler_items.push_back (MenuElem (_("New location marker"), bind ( mem_fun(*this, &Editor::mouse_add_new_marker), where)));
313 ruler_items.push_back (MenuElem (_("Clear all locations"), mem_fun(*this, &Editor::clear_markers)));
314 ruler_items.push_back (SeparatorElem ());
316 case RangeMarkerBarItem:
317 //ruler_items.push_back (MenuElem (_("New Range")));
318 ruler_items.push_back (MenuElem (_("Clear all ranges"), mem_fun(*this, &Editor::clear_ranges)));
319 ruler_items.push_back (SeparatorElem ());
322 case TransportMarkerBarItem:
327 ruler_items.push_back (MenuElem (_("New Tempo"), bind ( mem_fun(*this, &Editor::mouse_add_new_tempo_event), where)));
328 ruler_items.push_back (MenuElem (_("Clear tempo")));
329 ruler_items.push_back (SeparatorElem ());
333 ruler_items.push_back (MenuElem (_("New Meter"), bind ( mem_fun(*this, &Editor::mouse_add_new_meter_event), where)));
334 ruler_items.push_back (MenuElem (_("Clear meter")));
335 ruler_items.push_back (SeparatorElem ());
342 ruler_items.push_back (CheckMenuElem (_("Min:Secs"), bind (mem_fun(*this, &Editor::ruler_toggled), (int)ruler_metric_minsec)));
343 mitem = (CheckMenuItem *) &ruler_items.back();
344 if (ruler_shown[ruler_metric_minsec]) {
345 mitem->set_active(true);
348 ruler_items.push_back (CheckMenuElem (X_("SMPTE"), bind (mem_fun(*this, &Editor::ruler_toggled), (int)ruler_metric_smpte)));
349 mitem = (CheckMenuItem *) &ruler_items.back();
350 if (ruler_shown[ruler_metric_smpte]) {
351 mitem->set_active(true);
354 ruler_items.push_back (CheckMenuElem (_("Frames"), bind (mem_fun(*this, &Editor::ruler_toggled), (int)ruler_metric_frames)));
355 mitem = (CheckMenuItem *) &ruler_items.back();
356 if (ruler_shown[ruler_metric_frames]) {
357 mitem->set_active(true);
360 ruler_items.push_back (CheckMenuElem (_("Bars:Beats"), bind (mem_fun(*this, &Editor::ruler_toggled), (int)ruler_metric_bbt)));
361 mitem = (CheckMenuItem *) &ruler_items.back();
362 if (ruler_shown[ruler_metric_bbt]) {
363 mitem->set_active(true);
366 ruler_items.push_back (SeparatorElem ());
368 ruler_items.push_back (CheckMenuElem (_("Meter"), bind (mem_fun(*this, &Editor::ruler_toggled), (int)ruler_time_meter)));
369 mitem = (CheckMenuItem *) &ruler_items.back();
370 if (ruler_shown[ruler_time_meter]) {
371 mitem->set_active(true);
374 ruler_items.push_back (CheckMenuElem (_("Tempo"), bind (mem_fun(*this, &Editor::ruler_toggled), (int)ruler_time_tempo)));
375 mitem = (CheckMenuItem *) &ruler_items.back();
376 if (ruler_shown[ruler_time_tempo]) {
377 mitem->set_active(true);
380 ruler_items.push_back (CheckMenuElem (_("Location Markers"), bind (mem_fun(*this, &Editor::ruler_toggled), (int)ruler_time_marker)));
381 mitem = (CheckMenuItem *) &ruler_items.back();
382 if (ruler_shown[ruler_time_marker]) {
383 mitem->set_active(true);
386 ruler_items.push_back (CheckMenuElem (_("Range Markers"), bind (mem_fun(*this, &Editor::ruler_toggled), (int)ruler_time_range_marker)));
387 mitem = (CheckMenuItem *) &ruler_items.back();
388 if (ruler_shown[ruler_time_range_marker]) {
389 mitem->set_active(true);
392 ruler_items.push_back (CheckMenuElem (_("Loop/Punch Ranges"), bind (mem_fun(*this, &Editor::ruler_toggled), (int)ruler_time_transport_marker)));
393 mitem = (CheckMenuItem *) &ruler_items.back();
394 if (ruler_shown[ruler_time_transport_marker]) {
395 mitem->set_active(true);
398 editor_ruler_menu->popup (1, 0);
400 no_ruler_shown_update = false;
404 Editor::ruler_toggled (int ruler)
406 if (!session) return;
407 if (ruler < 0 || ruler >= (int) sizeof(ruler_shown)) return;
409 if (no_ruler_shown_update) return;
411 if (ruler_shown[ruler]) {
412 if (visible_timebars <= 1) {
413 // must always have 1 visible
418 ruler_shown[ruler] = !ruler_shown[ruler];
420 update_ruler_visibility ();
422 // update session extra RulerVisibility
423 store_ruler_visibility ();
427 Editor::store_ruler_visibility ()
429 XMLNode* node = new XMLNode(X_("RulerVisibility"));
431 node->add_property (X_("smpte"), ruler_shown[ruler_metric_smpte] ? "yes": "no");
432 node->add_property (X_("bbt"), ruler_shown[ruler_metric_bbt] ? "yes": "no");
433 node->add_property (X_("frames"), ruler_shown[ruler_metric_frames] ? "yes": "no");
434 node->add_property (X_("minsec"), ruler_shown[ruler_metric_minsec] ? "yes": "no");
435 node->add_property (X_("tempo"), ruler_shown[ruler_time_tempo] ? "yes": "no");
436 node->add_property (X_("meter"), ruler_shown[ruler_time_meter] ? "yes": "no");
437 node->add_property (X_("marker"), ruler_shown[ruler_time_marker] ? "yes": "no");
438 node->add_property (X_("rangemarker"), ruler_shown[ruler_time_range_marker] ? "yes": "no");
439 node->add_property (X_("transportmarker"), ruler_shown[ruler_time_transport_marker] ? "yes": "no");
441 session->add_extra_xml (*node);
442 session->set_dirty ();
446 Editor::restore_ruler_visibility ()
449 XMLNode * node = session->extra_xml (X_("RulerVisibility"));
452 if ((prop = node->property ("smpte")) != 0) {
453 if (prop->value() == "yes")
454 ruler_shown[ruler_metric_smpte] = true;
456 ruler_shown[ruler_metric_smpte] = false;
458 if ((prop = node->property ("bbt")) != 0) {
459 if (prop->value() == "yes")
460 ruler_shown[ruler_metric_bbt] = true;
462 ruler_shown[ruler_metric_bbt] = false;
464 if ((prop = node->property ("frames")) != 0) {
465 if (prop->value() == "yes")
466 ruler_shown[ruler_metric_frames] = true;
468 ruler_shown[ruler_metric_frames] = false;
470 if ((prop = node->property ("minsec")) != 0) {
471 if (prop->value() == "yes")
472 ruler_shown[ruler_metric_minsec] = true;
474 ruler_shown[ruler_metric_minsec] = false;
476 if ((prop = node->property ("tempo")) != 0) {
477 if (prop->value() == "yes")
478 ruler_shown[ruler_time_tempo] = true;
480 ruler_shown[ruler_time_tempo] = false;
482 if ((prop = node->property ("meter")) != 0) {
483 if (prop->value() == "yes")
484 ruler_shown[ruler_time_meter] = true;
486 ruler_shown[ruler_time_meter] = false;
488 if ((prop = node->property ("marker")) != 0) {
489 if (prop->value() == "yes")
490 ruler_shown[ruler_time_marker] = true;
492 ruler_shown[ruler_time_marker] = false;
494 if ((prop = node->property ("rangemarker")) != 0) {
495 if (prop->value() == "yes")
496 ruler_shown[ruler_time_range_marker] = true;
498 ruler_shown[ruler_time_range_marker] = false;
500 if ((prop = node->property ("transportmarker")) != 0) {
501 if (prop->value() == "yes")
502 ruler_shown[ruler_time_transport_marker] = true;
504 ruler_shown[ruler_time_transport_marker] = false;
509 update_ruler_visibility ();
514 Editor::update_ruler_visibility ()
516 using namespace Box_Helpers;
517 BoxList & lab_children = time_button_vbox.children();
518 BoxList & ruler_children = time_canvas_vbox.children();
520 visible_timebars = 0;
522 lab_children.clear();
524 // leave the last one (the time_canvas) intact
525 while (ruler_children.size() > 1) {
526 ruler_children.pop_front();
529 BoxList::iterator canvaspos = ruler_children.begin();
531 _smpte_ruler = gtk_custom_hruler_new ();
532 smpte_ruler = Glib::wrap (_smpte_ruler);
533 smpte_ruler->set_name ("SMPTERuler");
534 smpte_ruler->set_size_request (-1, (int)timebar_height);
535 gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_smpte_ruler), &ruler_metrics[ruler_metric_smpte]);
537 _bbt_ruler = gtk_custom_hruler_new ();
538 bbt_ruler = Glib::wrap (_bbt_ruler);
539 bbt_ruler->set_name ("BBTRuler");
540 bbt_ruler->set_size_request (-1, (int)timebar_height);
541 gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_bbt_ruler), &ruler_metrics[ruler_metric_bbt]);
543 _frames_ruler = gtk_custom_hruler_new ();
544 frames_ruler = Glib::wrap (_frames_ruler);
545 frames_ruler->set_name ("FramesRuler");
546 frames_ruler->set_size_request (-1, (int)timebar_height);
547 gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_frames_ruler), &ruler_metrics[ruler_metric_frames]);
549 _minsec_ruler = gtk_custom_hruler_new ();
550 minsec_ruler = Glib::wrap (_minsec_ruler);
551 minsec_ruler->set_name ("MinSecRuler");
552 minsec_ruler->set_size_request (-1, (int)timebar_height);
553 gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_minsec_ruler), &ruler_metrics[ruler_metric_minsec]);
556 smpte_ruler->set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
557 bbt_ruler->set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
558 frames_ruler->set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
559 minsec_ruler->set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
561 smpte_ruler->signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_button_release));
562 bbt_ruler->signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_button_release));
563 frames_ruler->signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_button_release));
564 minsec_ruler->signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_button_release));
566 smpte_ruler->signal_button_press_event().connect (mem_fun(*this, &Editor::ruler_button_press));
567 bbt_ruler->signal_button_press_event().connect (mem_fun(*this, &Editor::ruler_button_press));
568 frames_ruler->signal_button_press_event().connect (mem_fun(*this, &Editor::ruler_button_press));
569 minsec_ruler->signal_button_press_event().connect (mem_fun(*this, &Editor::ruler_button_press));
571 smpte_ruler->signal_motion_notify_event().connect (mem_fun(*this, &Editor::ruler_mouse_motion));
572 bbt_ruler->signal_motion_notify_event().connect (mem_fun(*this, &Editor::ruler_mouse_motion));
573 frames_ruler->signal_motion_notify_event().connect (mem_fun(*this, &Editor::ruler_mouse_motion));
574 minsec_ruler->signal_motion_notify_event().connect (mem_fun(*this, &Editor::ruler_mouse_motion));
577 if (ruler_shown[ruler_metric_minsec]) {
578 lab_children.push_back (Element(minsec_label, PACK_SHRINK, PACK_START));
579 ruler_children.insert (canvaspos, Element(*minsec_ruler, PACK_SHRINK, PACK_START));
583 if (ruler_shown[ruler_metric_smpte]) {
584 lab_children.push_back (Element(smpte_label, PACK_SHRINK, PACK_START));
585 ruler_children.insert (canvaspos, Element(*smpte_ruler, PACK_SHRINK, PACK_START));
589 if (ruler_shown[ruler_metric_frames]) {
590 lab_children.push_back (Element(frame_label, PACK_SHRINK, PACK_START));
591 ruler_children.insert (canvaspos, Element(*frames_ruler, PACK_SHRINK, PACK_START));
595 if (ruler_shown[ruler_metric_bbt]) {
596 lab_children.push_back (Element(bbt_label, PACK_SHRINK, PACK_START));
597 ruler_children.insert (canvaspos, Element(*bbt_ruler, PACK_SHRINK, PACK_START));
602 double old_unit_pos ;
604 if (ruler_shown[ruler_time_meter]) {
605 lab_children.push_back (Element(meter_label, PACK_SHRINK, PACK_START));
607 old_unit_pos = meter_group->property_y();
608 if (tbpos != old_unit_pos) {
609 meter_group->move ( 0.0, tbpos - old_unit_pos);
612 tbpos += timebar_height;
619 if (ruler_shown[ruler_time_tempo]) {
620 lab_children.push_back (Element(tempo_label, PACK_SHRINK, PACK_START));
621 old_unit_pos = tempo_group->property_y();
622 if (tbpos != old_unit_pos) {
623 tempo_group->move(0.0, tbpos - old_unit_pos);
626 tbpos += timebar_height;
633 if (ruler_shown[ruler_time_marker]) {
634 lab_children.push_back (Element(mark_label, PACK_SHRINK, PACK_START));
635 old_unit_pos = marker_group->property_y();
636 if (tbpos != old_unit_pos) {
637 marker_group->move ( 0.0, tbpos - old_unit_pos);
639 marker_group->show();
640 tbpos += timebar_height;
644 marker_group->hide();
647 if (ruler_shown[ruler_time_range_marker]) {
648 lab_children.push_back (Element(range_mark_label, PACK_SHRINK, PACK_START));
649 old_unit_pos = range_marker_group->property_y();
650 if (tbpos != old_unit_pos) {
651 range_marker_group->move (0.0, tbpos - old_unit_pos);
653 range_marker_group->show();
654 tbpos += timebar_height;
658 range_marker_group->hide();
661 if (ruler_shown[ruler_time_transport_marker]) {
662 lab_children.push_back (Element(transport_mark_label, PACK_SHRINK, PACK_START));
663 old_unit_pos = transport_marker_group->property_y();
664 if (tbpos != old_unit_pos) {
665 transport_marker_group->move ( 0.0, tbpos - old_unit_pos);
667 transport_marker_group->show();
668 tbpos += timebar_height;
672 transport_marker_group->hide();
675 time_canvas_vbox.set_size_request (-1, (int)(timebar_height * visible_timebars));
676 time_canvas_event_box.queue_resize();
678 update_fixed_rulers();
679 //update_tempo_based_rulers();
680 tempo_map_changed(Change (0));
682 time_canvas_event_box.show_all();
683 time_button_event_box.show_all();
687 Editor::update_just_smpte ()
689 ENSURE_GUI_THREAD(mem_fun(*this, &Editor::update_just_smpte));
695 /* XXX Note the potential loss of accuracy here as we convert from
696 an uint32_t (or larger) to a float ... what to do ?
699 jack_nframes_t page = (jack_nframes_t) floor (canvas_width * frames_per_unit);
700 jack_nframes_t rightmost_frame = leftmost_frame + page;
702 if (ruler_shown[ruler_metric_smpte]) {
703 gtk_custom_ruler_set_range (GTK_CUSTOM_RULER(_smpte_ruler), leftmost_frame, rightmost_frame,
704 leftmost_frame, session->current_end_frame());
709 Editor::update_fixed_rulers ()
711 jack_nframes_t rightmost_frame;
717 /* XXX Note the potential loss of accuracy here as we convert from
718 an uint32_t (or larger) to a float ... what to do ?
721 jack_nframes_t page = (jack_nframes_t) floor (canvas_width * frames_per_unit);
723 ruler_metrics[ruler_metric_smpte].units_per_pixel = frames_per_unit;
724 ruler_metrics[ruler_metric_frames].units_per_pixel = frames_per_unit;
725 ruler_metrics[ruler_metric_minsec].units_per_pixel = frames_per_unit;
727 rightmost_frame = leftmost_frame + page;
729 /* these force a redraw, which in turn will force execution of the metric callbacks
730 to compute the relevant ticks to display.
733 if (ruler_shown[ruler_metric_smpte]) {
734 gtk_custom_ruler_set_range (GTK_CUSTOM_RULER(_smpte_ruler), leftmost_frame, rightmost_frame,
735 leftmost_frame, session->current_end_frame());
738 if (ruler_shown[ruler_metric_frames]) {
739 gtk_custom_ruler_set_range (GTK_CUSTOM_RULER(_frames_ruler), leftmost_frame, rightmost_frame,
740 leftmost_frame, session->current_end_frame());
743 if (ruler_shown[ruler_metric_minsec]) {
744 gtk_custom_ruler_set_range (GTK_CUSTOM_RULER(_minsec_ruler), leftmost_frame, rightmost_frame,
745 leftmost_frame, session->current_end_frame());
750 Editor::update_tempo_based_rulers ()
756 /* XXX Note the potential loss of accuracy here as we convert from
757 an uint32_t (or larger) to a float ... what to do ?
760 jack_nframes_t page = (jack_nframes_t) floor (canvas_width * frames_per_unit);
761 ruler_metrics[ruler_metric_bbt].units_per_pixel = frames_per_unit;
763 if (ruler_shown[ruler_metric_bbt]) {
764 gtk_custom_ruler_set_range (GTK_CUSTOM_RULER(_bbt_ruler), leftmost_frame, leftmost_frame+page,
765 leftmost_frame, session->current_end_frame());
769 /* Mark generation */
772 Editor::_metric_get_smpte (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
774 return ruler_editor->metric_get_smpte (marks, lower, upper, maxchars);
778 Editor::_metric_get_bbt (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
780 return ruler_editor->metric_get_bbt (marks, lower, upper, maxchars);
784 Editor::_metric_get_frames (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
786 return ruler_editor->metric_get_frames (marks, lower, upper, maxchars);
790 Editor::_metric_get_minsec (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
792 return ruler_editor->metric_get_minsec (marks, lower, upper, maxchars);
796 Editor::metric_get_smpte (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
798 jack_nframes_t range;
800 jack_nframes_t spacer;
806 bool show_bits = false;
807 bool show_frames = false;
808 bool show_seconds = false;
809 bool show_minutes = false;
810 bool show_hours = false;
817 fr = session->frame_rate();
819 if (lower > (spacer = (jack_nframes_t)(128 * Editor::get_current_zoom ()))) {
820 lower = lower - spacer;
822 upper = upper + spacer - lower;
825 range = (jack_nframes_t) floor (upper - lower);
827 if (range < (2 * session->frames_per_smpte_frame())) { /* 0 - 2 frames */
831 } else if (range <= (fr / 4)) { /* 2 frames - 0.250 second */
834 nmarks = 1 + (range / (jack_nframes_t)session->frames_per_smpte_frame());
835 } else if (range <= (fr / 2)) { /* 0.25-0.5 second */
838 nmarks = 1 + (range / (jack_nframes_t)session->frames_per_smpte_frame());
839 } else if (range <= fr) { /* 0.5-1 second */
842 nmarks = 1 + (range / (jack_nframes_t)session->frames_per_smpte_frame());
843 } else if (range <= 2 * fr) { /* 1-2 seconds */
846 nmarks = 1 + (range / (jack_nframes_t)session->frames_per_smpte_frame());
847 } else if (range <= 8 * fr) { /* 2-8 seconds */
850 nmarks = 1 + (range / fr);
851 } else if (range <= 16 * fr) { /* 8-16 seconds */
854 nmarks = 1 + (range / fr);
855 } else if (range <= 30 * fr) { /* 16-30 seconds */
858 nmarks = 1 + (range / fr);
859 } else if (range <= 60 * fr) { /* 30-60 seconds */
862 nmarks = 1 + (range / fr);
863 } else if (range <= 2 * 60 * fr) { /* 1-2 minutes */
866 nmarks = 1 + (range / fr);
867 } else if (range <= 4 * 60 * fr) { /* 2-4 minutes */
870 nmarks = 1 + (range / fr);
871 } else if (range <= 10 * 60 * fr) { /* 4-10 minutes */
875 } else if (range <= 30 * 60 * fr) { /* 10-30 minutes */
879 } else if (range <= 60 * 60 * fr) { /* 30 minutes - 1hr */
883 } else if (range <= 4 * 60 * 60 * fr) { /* 1 - 4 hrs*/
886 nmarks = 1 + (60 * 4);
887 } else if (range <= 8 * 60 * 60 * fr) { /* 4 - 8 hrs*/
891 } else if (range <= 16 * 60 * 60 * fr) { /* 16-24 hrs*/
897 /* not possible if jack_nframes_t is a 32 bit quantity */
904 pos = (jack_nframes_t) floor (lower);
906 *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
909 // Find smpte time of this sample (pos) with subframe accuracy
910 session->sample_to_smpte(pos, smpte, true /* use_offset */, true /* use_subframes */ );
912 for (n = 0; n < nmarks; n++) {
913 session->smpte_to_sample(smpte, pos, true /* use_offset */, true /* use_subframes */ );
914 if ((smpte.subframes % mark_modulo) == 0) {
915 if (smpte.subframes == 0) {
916 (*marks)[n].style = GtkCustomRulerMarkMajor;
917 snprintf (buf, sizeof(buf), "%s%02ld:%02ld:%02ld:%02ld", smpte.negative ? "-" : "", smpte.hours, smpte.minutes, smpte.seconds, smpte.frames);
919 (*marks)[n].style = GtkCustomRulerMarkMinor;
920 snprintf (buf, sizeof(buf), ".%02ld", smpte.subframes);
923 snprintf (buf, sizeof(buf)," ");
924 (*marks)[n].style = GtkCustomRulerMarkMicro;
927 (*marks)[n].label = g_strdup (buf);
928 (*marks)[n].position = pos;
930 // Increment subframes by one
931 SMPTE::increment_subframes( smpte );
933 } else if (show_seconds) {
934 // Find smpte time of this sample (pos)
935 session->sample_to_smpte(pos, smpte, true /* use_offset */, false /* use_subframes */ );
936 // Go to next whole second down
937 SMPTE::seconds_floor( smpte );
939 for (n = 0; n < nmarks; n++) {
940 session->smpte_to_sample(smpte, pos, true /* use_offset */, false /* use_subframes */ );
941 if ((smpte.seconds % mark_modulo) == 0) {
942 if (smpte.seconds == 0) {
943 (*marks)[n].style = GtkCustomRulerMarkMajor;
944 (*marks)[n].position = pos;
946 (*marks)[n].style = GtkCustomRulerMarkMinor;
947 (*marks)[n].position = pos;
949 snprintf (buf, sizeof(buf), "%s%02ld:%02ld:%02ld:%02ld", smpte.negative ? "-" : "", smpte.hours, smpte.minutes, smpte.seconds, smpte.frames);
951 snprintf (buf, sizeof(buf)," ");
952 (*marks)[n].style = GtkCustomRulerMarkMicro;
953 (*marks)[n].position = pos;
956 (*marks)[n].label = g_strdup (buf);
957 SMPTE::increment_seconds( smpte );
959 } else if (show_minutes) {
960 // Find smpte time of this sample (pos)
961 session->sample_to_smpte(pos, smpte, true /* use_offset */, false /* use_subframes */ );
962 // Go to next whole minute down
963 SMPTE::minutes_floor( smpte );
965 for (n = 0; n < nmarks; n++) {
966 session->smpte_to_sample(smpte, pos, true /* use_offset */, false /* use_subframes */ );
967 if ((smpte.minutes % mark_modulo) == 0) {
968 if (smpte.minutes == 0) {
969 (*marks)[n].style = GtkCustomRulerMarkMajor;
971 (*marks)[n].style = GtkCustomRulerMarkMinor;
973 snprintf (buf, sizeof(buf), "%s%02ld:%02ld:%02ld:%02ld", smpte.negative ? "-" : "", smpte.hours, smpte.minutes, smpte.seconds, smpte.frames);
975 snprintf (buf, sizeof(buf)," ");
976 (*marks)[n].style = GtkCustomRulerMarkMicro;
979 (*marks)[n].label = g_strdup (buf);
980 (*marks)[n].position = pos;
981 SMPTE::increment_minutes( smpte );
983 } else if (show_hours) {
984 // Find smpte time of this sample (pos)
985 session->sample_to_smpte(pos, smpte, true /* use_offset */, false /* use_subframes */ );
986 // Go to next whole hour down
987 SMPTE::hours_floor( smpte );
989 for (n = 0; n < nmarks; n++) {
990 session->smpte_to_sample(smpte, pos, true /* use_offset */, false /* use_subframes */ );
991 if ((smpte.hours % mark_modulo) == 0) {
992 (*marks)[n].style = GtkCustomRulerMarkMajor;
993 snprintf (buf, sizeof(buf), "%s%02ld:%02ld:%02ld:%02ld", smpte.negative ? "-" : "", smpte.hours, smpte.minutes, smpte.seconds, smpte.frames);
995 snprintf (buf, sizeof(buf)," ");
996 (*marks)[n].style = GtkCustomRulerMarkMicro;
999 (*marks)[n].label = g_strdup (buf);
1000 (*marks)[n].position = pos;
1002 SMPTE::increment_hours( smpte );
1004 } else { // show_frames
1005 // Find smpte time of this sample (pos)
1006 session->sample_to_smpte(pos, smpte, true /* use_offset */, false /* use_subframes */ );
1007 // Go to next whole frame down
1008 SMPTE::frames_floor( smpte );
1010 for (n = 0; n < nmarks; n++) {
1011 session->smpte_to_sample(smpte, pos, true /* use_offset */, false /* use_subframes */ );
1012 if ((smpte.frames % mark_modulo) == 0) {
1013 (*marks)[n].style = GtkCustomRulerMarkMajor;
1014 (*marks)[n].position = pos;
1015 snprintf (buf, sizeof(buf), "%s%02ld:%02ld:%02ld:%02ld", smpte.negative ? "-" : "", smpte.hours, smpte.minutes, smpte.seconds, smpte.frames);
1017 snprintf (buf, sizeof(buf)," ");
1018 (*marks)[n].style = GtkCustomRulerMarkMicro;
1019 (*marks)[n].position = pos;
1022 (*marks)[n].label = g_strdup (buf);
1023 SMPTE::increment( smpte );
1032 Editor::metric_get_bbt (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
1038 TempoMap::BBTPointList::iterator i;
1039 TempoMap::BBTPointList *zoomed_bbt_points;
1045 uint32_t zoomed_beats = 0;
1046 uint32_t zoomed_bars = 0;
1047 uint32_t desirable_marks;
1048 uint32_t magic_accent_number = 1;
1053 jack_nframes_t frame_one_beats_worth;
1054 jack_nframes_t frame_skip;
1055 double frame_skip_error;
1056 double accumulated_error;
1057 bool bar_helper_on = true;
1060 BBT_Time previous_beat;
1062 jack_nframes_t next_beat_pos;
1063 jack_nframes_t ilower = (jack_nframes_t) floor (lower);
1064 jack_nframes_t iupper = (jack_nframes_t) floor (upper);
1066 if ((desirable_marks = maxchars / 6) == 0) {
1070 /* align the tick marks to whatever we're snapping to... */
1072 if (snap_type == SnapToAThirdBeat) {
1073 bbt_beat_subdivision = 3;
1074 } else if (snap_type == SnapToAQuarterBeat) {
1075 bbt_beat_subdivision = 4;
1076 } else if (snap_type == SnapToAEighthBeat) {
1077 bbt_beat_subdivision = 8;
1078 magic_accent_number = 2;
1079 } else if (snap_type == SnapToASixteenthBeat) {
1080 bbt_beat_subdivision = 16;
1081 magic_accent_number = 4;
1082 } else if (snap_type == SnapToAThirtysecondBeat) {
1083 bbt_beat_subdivision = 32;
1084 magic_accent_number = 8;
1086 bbt_beat_subdivision = 4;
1089 /* First find what a beat's distance is, so we can start plotting stuff before the beginning of the ruler */
1091 session->bbt_time(ilower,previous_beat);
1092 previous_beat.ticks = 0;
1093 next_beat = previous_beat;
1095 if (session->tempo_map().meter_at(ilower).beats_per_bar() < (next_beat.beats + 1)) {
1096 next_beat.bars += 1;
1097 next_beat.beats = 1;
1099 next_beat.beats += 1;
1102 frame_one_beats_worth = session->tempo_map().frame_time(next_beat) - session->tempo_map().frame_time(previous_beat);
1105 zoomed_bbt_points = session->tempo_map().get_points((ilower >= frame_one_beats_worth) ? ilower - frame_one_beats_worth : 0, iupper);
1107 if (current_bbt_points == 0 || zoomed_bbt_points == 0 || zoomed_bbt_points->empty()) {
1111 for (i = current_bbt_points->begin(); i != current_bbt_points->end(); i++) {
1112 if ((*i).type == TempoMap::Beat) {
1114 } else if ((*i).type == TempoMap::Bar) {
1118 /*Only show the bar helper if there aren't many bars on the screen */
1120 bar_helper_on = false;
1123 for (i = zoomed_bbt_points->begin(); i != zoomed_bbt_points->end(); i++) {
1124 if ((*i).type == TempoMap::Beat) {
1126 } else if ((*i).type == TempoMap::Bar) {
1131 if (desirable_marks > (beats / 4)) {
1133 /* we're in beat land...*/
1135 double position_of_helper;
1136 bool i_am_accented = false;
1137 bool we_need_ticks = false;
1139 position_of_helper = ilower + (30 * Editor::get_current_zoom ());
1141 if (desirable_marks >= (beats * 2)) {
1142 nmarks = (zoomed_beats * bbt_beat_subdivision) + 1;
1143 we_need_ticks = true;
1145 nmarks = zoomed_beats + 1;
1148 *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
1150 (*marks)[0].label = g_strdup(" ");
1151 (*marks)[0].position = ilower;
1152 (*marks)[0].style = GtkCustomRulerMarkMicro;
1154 for (n = 1, i = zoomed_bbt_points->begin(); i != zoomed_bbt_points->end() && n < nmarks; ++i) {
1156 if ((*i).frame <= ilower && (bar_helper_on)) {
1158 snprintf (buf, sizeof(buf), "<%" PRIu32 "|%" PRIu32, (*i).bar, (*i).beat);
1159 (*marks)[0].label = g_strdup (buf);
1163 if ((*i).type == TempoMap::Bar) {
1165 (((*i).frame < position_of_helper) && bar_helper_on) ?
1166 snprintf (buf, sizeof(buf), " ") : snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
1167 (*marks)[n].label = g_strdup (buf);
1168 (*marks)[n].position = (*i).frame;
1169 (*marks)[n].style = GtkCustomRulerMarkMajor;
1172 } else if (((*i).type == TempoMap::Beat) && ((*i).beat > 1)) {
1174 ((((*i).frame < position_of_helper) && bar_helper_on) || !we_need_ticks) ?
1175 snprintf (buf, sizeof(buf), " ") : snprintf (buf, sizeof(buf), "%" PRIu32, (*i).beat);
1176 if (((*i).beat % 2 == 1) || we_need_ticks) {
1177 (*marks)[n].style = GtkCustomRulerMarkMinor;
1179 (*marks)[n].style = GtkCustomRulerMarkMicro;
1181 (*marks)[n].label = g_strdup (buf);
1182 (*marks)[n].position = (*i).frame;
1187 /* Find the next beat */
1189 session->bbt_time((*i).frame, next_beat);
1191 if (session->tempo_map().meter_at((*i).frame).beats_per_bar() > (next_beat.beats + 1)) {
1192 next_beat.beats += 1;
1194 next_beat.bars += 1;
1195 next_beat.beats = 1;
1198 next_beat_pos = session->tempo_map().frame_time(next_beat);
1200 /* Add the tick marks */
1202 if (we_need_ticks) {
1204 frame_skip = (jack_nframes_t) floor ((session->frame_rate() * 60) / (bbt_beat_subdivision * (*i).tempo->beats_per_minute()));
1205 frame_skip_error = ((session->frame_rate() * 60.0f) / (bbt_beat_subdivision * (*i).tempo->beats_per_minute())) - frame_skip;
1206 skip = (uint32_t) (Meter::ticks_per_beat / bbt_beat_subdivision);
1208 pos = (*i).frame + frame_skip;
1209 accumulated_error = frame_skip_error;
1213 for (t = 0; tick < Meter::ticks_per_beat && pos <= next_beat_pos ; pos += frame_skip, tick += skip, ++t) {
1215 if (t % magic_accent_number == (magic_accent_number - 1)) {
1216 i_am_accented = true;
1218 if (Editor::get_current_zoom () > 32) {
1219 snprintf (buf, sizeof(buf), " ");
1220 } else if ((Editor::get_current_zoom () > 8) && !i_am_accented) {
1221 snprintf (buf, sizeof(buf), " ");
1222 } else if (bar_helper_on && (pos < position_of_helper)) {
1223 snprintf (buf, sizeof(buf), " ");
1225 snprintf (buf, sizeof(buf), "%" PRIu32, tick);
1228 (*marks)[n].label = g_strdup (buf);
1230 /* Error compensation for float to jack_nframes_t*/
1231 accumulated_error += frame_skip_error;
1232 if (accumulated_error > 1) {
1234 accumulated_error -= 1.0f;
1237 (*marks)[n].position = pos;
1239 if ((bbt_beat_subdivision > 4) && i_am_accented) {
1240 (*marks)[n].style = GtkCustomRulerMarkMinor;
1242 (*marks)[n].style = GtkCustomRulerMarkMicro;
1244 i_am_accented = false;
1250 delete zoomed_bbt_points;
1251 return n; //return the actual number of marks made, since we might have skipped some fro fractional time signatures
1255 /* we're in bar land */
1257 if (desirable_marks < (uint32_t) (zoomed_bars / 256)) {
1259 *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
1260 snprintf (buf, sizeof(buf), "too many bars... (currently %" PRIu32 ")", zoomed_bars );
1261 (*marks)[0].style = GtkCustomRulerMarkMajor;
1262 (*marks)[0].label = g_strdup (buf);
1263 (*marks)[0].position = ilower;
1264 } else if (desirable_marks < (uint32_t) (nmarks = (gint) (zoomed_bars / 64))) {
1265 *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
1266 for (n = 0, i = zoomed_bbt_points->begin(); i != zoomed_bbt_points->end() && n < nmarks; i++) {
1267 if ((*i).type == TempoMap::Bar) {
1268 if ((*i).bar % 64 == 1) {
1269 if ((*i).bar % 256 == 1) {
1270 snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
1271 (*marks)[n].style = GtkCustomRulerMarkMajor;
1273 snprintf (buf, sizeof(buf), " ");
1274 if ((*i).bar % 256 == 129) {
1275 (*marks)[n].style = GtkCustomRulerMarkMinor;
1277 (*marks)[n].style = GtkCustomRulerMarkMicro;
1280 (*marks)[n].label = g_strdup (buf);
1281 (*marks)[n].position = (*i).frame;
1286 } else if (desirable_marks < (uint32_t) (nmarks = (gint)(zoomed_bars / 16))) {
1287 *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
1288 for (n = 0, i = zoomed_bbt_points->begin(); i != zoomed_bbt_points->end() && n < nmarks; i++) {
1289 if ((*i).type == TempoMap::Bar) {
1290 if ((*i).bar % 16 == 1) {
1291 if ((*i).bar % 64 == 1) {
1292 snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
1293 (*marks)[n].style = GtkCustomRulerMarkMajor;
1295 snprintf (buf, sizeof(buf), " ");
1296 if ((*i).bar % 64 == 33) {
1297 (*marks)[n].style = GtkCustomRulerMarkMinor;
1299 (*marks)[n].style = GtkCustomRulerMarkMicro;
1302 (*marks)[n].label = g_strdup (buf);
1303 (*marks)[n].position = (*i).frame;
1308 } else if (desirable_marks < (uint32_t) (nmarks = (gint)(zoomed_bars / 4))){
1309 *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
1310 for (n = 0, i = zoomed_bbt_points->begin(); i != zoomed_bbt_points->end() && n < nmarks; ++i) {
1311 if ((*i).type == TempoMap::Bar) {
1312 if ((*i).bar % 4 == 1) {
1313 if ((*i).bar % 16 == 1) {
1314 snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
1315 (*marks)[n].style = GtkCustomRulerMarkMajor;
1317 snprintf (buf, sizeof(buf), " ");
1318 if ((*i).bar % 16 == 9) {
1319 (*marks)[n].style = GtkCustomRulerMarkMinor;
1321 (*marks)[n].style = GtkCustomRulerMarkMicro;
1324 (*marks)[n].label = g_strdup (buf);
1325 (*marks)[n].position = (*i).frame;
1331 nmarks = zoomed_bars;
1332 *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
1333 for (n = 0, i = zoomed_bbt_points->begin(); i != zoomed_bbt_points->end() && n < nmarks; i++) {
1334 if ((*i).type == TempoMap::Bar) {
1335 if ((*i).bar % 4 == 1) {
1336 snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
1337 (*marks)[n].style = GtkCustomRulerMarkMajor;
1339 snprintf (buf, sizeof(buf), " ");
1340 if ((*i).bar % 4 == 3) {
1341 (*marks)[n].style = GtkCustomRulerMarkMinor;
1343 (*marks)[n].style = GtkCustomRulerMarkMicro;
1346 (*marks)[n].label = g_strdup (buf);
1347 (*marks)[n].position = (*i).frame;
1352 delete zoomed_bbt_points;
1358 Editor::metric_get_frames (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
1360 jack_nframes_t mark_interval;
1362 jack_nframes_t ilower = (jack_nframes_t) floor (lower);
1363 jack_nframes_t iupper = (jack_nframes_t) floor (upper);
1372 mark_interval = (iupper - ilower) / 5;
1373 if (mark_interval > session->frame_rate()) {
1374 mark_interval -= mark_interval % session->frame_rate();
1376 mark_interval = session->frame_rate() / (session->frame_rate() / mark_interval ) ;
1379 *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
1380 for (n = 0, pos = ilower; n < nmarks; pos += mark_interval, ++n) {
1381 snprintf (buf, sizeof(buf), "%u", pos);
1382 (*marks)[n].label = g_strdup (buf);
1383 (*marks)[n].position = pos;
1384 (*marks)[n].style = GtkCustomRulerMarkMajor;
1391 sample_to_clock_parts ( jack_nframes_t sample,
1392 jack_nframes_t sample_rate,
1399 jack_nframes_t left;
1406 hrs = left / (sample_rate * 60 * 60);
1407 left -= hrs * sample_rate * 60 * 60;
1408 mins = left / (sample_rate * 60);
1409 left -= mins * sample_rate * 60;
1410 secs = left / sample_rate;
1411 left -= secs * sample_rate;
1412 millisecs = left * 1000 / sample_rate;
1414 *millisecs_p = millisecs;
1423 Editor::metric_get_minsec (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
1425 jack_nframes_t range;
1427 jack_nframes_t mark_interval;
1429 jack_nframes_t spacer;
1430 long hrs, mins, secs, millisecs;
1434 gint mark_modulo = 100;
1435 bool show_seconds = false;
1436 bool show_minutes = false;
1437 bool show_hours = false;
1438 jack_nframes_t ilower = (jack_nframes_t) floor (lower);
1439 jack_nframes_t iupper = (jack_nframes_t) floor (upper);
1445 fr = session->frame_rate();
1447 /* to prevent 'flashing' */
1448 if (lower > (spacer = (jack_nframes_t)(128 * Editor::get_current_zoom ()))) {
1449 lower = lower - spacer;
1451 upper = upper + spacer;
1454 range = iupper - ilower;
1456 if (range < (fr / 50)) {
1457 mark_interval = fr / 100; /* show 1/100 seconds */
1459 } else if (range <= (fr / 10)) { /* 0-0.1 second */
1460 mark_interval = fr / 50; /* show 1/50 seconds */
1462 } else if (range <= (fr / 2)) { /* 0-0.5 second */
1463 mark_interval = fr / 20; /* show 1/20 seconds */
1465 } else if (range <= fr) { /* 0-1 second */
1466 mark_interval = fr / 10; /* show 1/10 seconds */
1468 } else if (range <= 2 * fr) { /* 1-2 seconds */
1469 mark_interval = fr / 2; /* show 1/2 seconds */
1471 } else if (range <= 8 * fr) { /* 2-5 seconds */
1472 mark_interval = fr / 5; /* show 2 seconds */
1474 } else if (range <= 16 * fr) { /* 8-16 seconds */
1475 mark_interval = fr; /* show 1 seconds */
1476 show_seconds = true;
1478 } else if (range <= 30 * fr) { /* 10-30 seconds */
1479 mark_interval = fr; /* show 10 seconds */
1480 show_seconds = true;
1482 } else if (range <= 60 * fr) { /* 30-60 seconds */
1483 mark_interval = 5 * fr; /* show 5 seconds */
1484 show_seconds = true;
1486 } else if (range <= 2 * 60 * fr) { /* 1-2 minutes */
1487 mark_interval = 5 * fr; /* show 5 seconds */
1488 show_seconds = true;
1490 } else if (range <= 4 * 60 * fr) { /* 4 minutes */
1491 mark_interval = 10 * fr; /* show 10 seconds */
1492 show_seconds = true;
1494 } else if (range <= 10 * 60 * fr) { /* 10 minutes */
1495 mark_interval = 30 * fr; /* show 30 seconds */
1496 show_seconds = true;
1498 } else if (range <= 30 * 60 * fr) { /* 10-30 minutes */
1499 mark_interval = 60 * fr; /* show 1 minute */
1500 show_minutes = true;
1502 } else if (range <= 60 * 60 * fr) { /* 30 minutes - 1hr */
1503 mark_interval = 2 * 60 * fr; /* show 2 minutes */
1504 show_minutes = true;
1506 } else if (range <= 4 * 60 * 60 * fr) { /* 1 - 4 hrs*/
1507 mark_interval = 5 * 60 * fr; /* show 10 minutes */
1508 show_minutes = true;
1510 } else if (range <= 8 * 60 * 60 * fr) { /* 4 - 8 hrs*/
1511 mark_interval = 20 * 60 * fr; /* show 20 minutes */
1512 show_minutes = true;
1514 } else if (range <= 16 * 60 * 60 * fr) { /* 16-24 hrs*/
1515 mark_interval = 60 * 60 * fr; /* show 60 minutes */
1520 /* not possible if jack_nframes_t is a 32 bit quantity */
1522 mark_interval = 4 * 60 * 60 * fr; /* show 4 hrs */
1525 nmarks = 1 + (range / mark_interval);
1526 *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
1527 pos = ((ilower + (mark_interval/2))/mark_interval) * mark_interval;
1530 for (n = 0; n < nmarks; pos += mark_interval, ++n) {
1531 sample_to_clock_parts (pos, fr, &hrs, &mins, &secs, &millisecs);
1532 if (secs % mark_modulo == 0) {
1534 (*marks)[n].style = GtkCustomRulerMarkMajor;
1536 (*marks)[n].style = GtkCustomRulerMarkMinor;
1538 snprintf (buf, sizeof(buf), "%02ld:%02ld:%02ld.%03ld", hrs, mins, secs, millisecs);
1540 snprintf (buf, sizeof(buf), " ");
1541 (*marks)[n].style = GtkCustomRulerMarkMicro;
1543 (*marks)[n].label = g_strdup (buf);
1544 (*marks)[n].position = pos;
1546 } else if (show_minutes) {
1547 for (n = 0; n < nmarks; pos += mark_interval, ++n) {
1548 sample_to_clock_parts (pos, fr, &hrs, &mins, &secs, &millisecs);
1549 if (mins % mark_modulo == 0) {
1551 (*marks)[n].style = GtkCustomRulerMarkMajor;
1553 (*marks)[n].style = GtkCustomRulerMarkMinor;
1555 snprintf (buf, sizeof(buf), "%02ld:%02ld:%02ld.%03ld", hrs, mins, secs, millisecs);
1557 snprintf (buf, sizeof(buf), " ");
1558 (*marks)[n].style = GtkCustomRulerMarkMicro;
1560 (*marks)[n].label = g_strdup (buf);
1561 (*marks)[n].position = pos;
1563 } else if (show_hours) {
1564 for (n = 0; n < nmarks; pos += mark_interval, ++n) {
1565 sample_to_clock_parts (pos, fr, &hrs, &mins, &secs, &millisecs);
1566 if (hrs % mark_modulo == 0) {
1567 (*marks)[n].style = GtkCustomRulerMarkMajor;
1568 snprintf (buf, sizeof(buf), "%02ld:%02ld:%02ld.%03ld", hrs, mins, secs, millisecs);
1570 snprintf (buf, sizeof(buf), " ");
1571 (*marks)[n].style = GtkCustomRulerMarkMicro;
1573 (*marks)[n].label = g_strdup (buf);
1574 (*marks)[n].position = pos;
1577 for (n = 0; n < nmarks; pos += mark_interval, ++n) {
1578 sample_to_clock_parts (pos, fr, &hrs, &mins, &secs, &millisecs);
1579 if (millisecs % mark_modulo == 0) {
1580 if (millisecs == 0) {
1581 (*marks)[n].style = GtkCustomRulerMarkMajor;
1583 (*marks)[n].style = GtkCustomRulerMarkMinor;
1585 snprintf (buf, sizeof(buf), "%02ld:%02ld:%02ld.%03ld", hrs, mins, secs, millisecs);
1587 snprintf (buf, sizeof(buf), " ");
1588 (*marks)[n].style = GtkCustomRulerMarkMicro;
1590 (*marks)[n].label = g_strdup (buf);
1591 (*marks)[n].position = pos;