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livetrax/gtk2_ardour/editor_rulers.cc
Paul Davis cb41314642 merge 3.0 from 2.0-ongoing@3243 
git-svn-id: svn://localhost/ardour2/branches/3.0@3248 d708f5d6-7413-0410-9779-e7cbd77b26cf
2008-04-11 14:06:50 +00:00

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/*
Copyright (C) 2000 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <cstdio> // for sprintf, grrr
#include <cmath>
#include <string>
#include <gtk/gtkaction.h>
#include <ardour/tempo.h>
#include <ardour/profile.h>
#include <gtkmm2ext/gtk_ui.h>
#include "editor.h"
#include "editing.h"
#include "actions.h"
#include "gtk-custom-hruler.h"
#include "gui_thread.h"
#include "i18n.h"
using namespace sigc;
using namespace ARDOUR;
using namespace PBD;
using namespace Gtk;
using namespace Editing;
Editor *Editor::ruler_editor;
/* the order here must match the "metric" enums in editor.h */
GtkCustomMetric Editor::ruler_metrics[4] = {
{1, Editor::_metric_get_smpte },
{1, Editor::_metric_get_bbt },
{1, Editor::_metric_get_frames },
{1, Editor::_metric_get_minsec }
};
void
Editor::initialize_rulers ()
{
ruler_editor = this;
ruler_grabbed_widget = 0;
_ruler_separator = new Gtk::HSeparator();
_ruler_separator->set_size_request(-1, 2);
_ruler_separator->set_name("TimebarPadding");
_ruler_separator->show();
_smpte_ruler = gtk_custom_hruler_new ();
smpte_ruler = Glib::wrap (_smpte_ruler);
smpte_ruler->set_name ("SMPTERuler");
smpte_ruler->set_size_request (-1, (int)timebar_height);
gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_smpte_ruler), &ruler_metrics[ruler_metric_smpte]);
_bbt_ruler = gtk_custom_hruler_new ();
bbt_ruler = Glib::wrap (_bbt_ruler);
bbt_ruler->set_name ("BBTRuler");
bbt_ruler->set_size_request (-1, (int)timebar_height);
gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_bbt_ruler), &ruler_metrics[ruler_metric_bbt]);
_frames_ruler = gtk_custom_hruler_new ();
frames_ruler = Glib::wrap (_frames_ruler);
frames_ruler->set_name ("FramesRuler");
frames_ruler->set_size_request (-1, (int)timebar_height);
gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_frames_ruler), &ruler_metrics[ruler_metric_frames]);
_minsec_ruler = gtk_custom_hruler_new ();
minsec_ruler = Glib::wrap (_minsec_ruler);
minsec_ruler->set_name ("MinSecRuler");
minsec_ruler->set_size_request (-1, (int)timebar_height);
gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_minsec_ruler), &ruler_metrics[ruler_metric_minsec]);
visible_timebars = 7; /* 4 here, 3 in time_canvas */
ruler_pressed_button = 0;
}
bool
Editor::ruler_scroll (GdkEventScroll* event)
{
nframes_t xdelta;
int direction = event->direction;
bool handled = false;
switch (direction) {
case GDK_SCROLL_UP:
temporal_zoom_step (true);
handled = true;
break;
case GDK_SCROLL_DOWN:
temporal_zoom_step (false);
handled = true;
break;
case GDK_SCROLL_LEFT:
xdelta = (current_page_frames() / 2);
if (leftmost_frame > xdelta) {
reset_x_origin (leftmost_frame - xdelta);
} else {
reset_x_origin (0);
}
handled = true;
break;
case GDK_SCROLL_RIGHT:
xdelta = (current_page_frames() / 2);
if (max_frames - xdelta > leftmost_frame) {
reset_x_origin (leftmost_frame + xdelta);
} else {
reset_x_origin (max_frames - current_page_frames());
}
handled = true;
break;
default:
/* what? */
break;
}
return handled;
}
gint
Editor::ruler_button_press (GdkEventButton* ev)
{
if (session == 0) {
return FALSE;
}
ruler_pressed_button = ev->button;
// jlc: grab ev->window ?
//Gtk::Main::grab_add (*minsec_ruler);
Widget * grab_widget = 0;
if (smpte_ruler->is_realized() && ev->window == smpte_ruler->get_window()->gobj()) grab_widget = smpte_ruler;
else if (bbt_ruler->is_realized() && ev->window == bbt_ruler->get_window()->gobj()) grab_widget = bbt_ruler;
else if (frames_ruler->is_realized() && ev->window == frames_ruler->get_window()->gobj()) grab_widget = frames_ruler;
else if (minsec_ruler->is_realized() && ev->window == minsec_ruler->get_window()->gobj()) grab_widget = minsec_ruler;
if (grab_widget) {
grab_widget->add_modal_grab ();
ruler_grabbed_widget = grab_widget;
}
gint x,y;
Gdk::ModifierType state;
/* need to use the correct x,y, the event lies */
time_canvas_event_box.get_window()->get_pointer (x, y, state);
nframes_t where = leftmost_frame + pixel_to_frame (x);
switch (ev->button) {
case 1:
// Since we will locate the playhead on button release, cancel any running
// auditions.
if (session->is_auditioning()) {
session->cancel_audition ();
}
/* playhead cursor */
snap_to (where);
playhead_cursor->set_position (where);
_dragging_playhead = true;
break;
case 2:
/* edit point */
snap_to (where);
break;
default:
break;
}
return TRUE;
}
gint
Editor::ruler_button_release (GdkEventButton* ev)
{
gint x,y;
Gdk::ModifierType state;
/* need to use the correct x,y, the event lies */
time_canvas_event_box.get_window()->get_pointer (x, y, state);
ruler_pressed_button = 0;
if (session == 0) {
return FALSE;
}
stop_canvas_autoscroll();
nframes_t where = leftmost_frame + pixel_to_frame (x);
switch (ev->button) {
case 1:
/* transport playhead */
_dragging_playhead = false;
snap_to (where);
session->request_locate (where);
break;
case 2:
/* edit point */
snap_to (where);
break;
case 3:
/* popup menu */
snap_to (where);
popup_ruler_menu (where);
break;
default:
break;
}
if (ruler_grabbed_widget) {
ruler_grabbed_widget->remove_modal_grab();
ruler_grabbed_widget = 0;
}
return TRUE;
}
gint
Editor::ruler_label_button_release (GdkEventButton* ev)
{
if (ev->button == 3) {
Gtk::Menu* m= dynamic_cast<Gtk::Menu*> (ActionManager::get_widget (X_("/RulerMenuPopup")));
if (m) {
m->popup (1, ev->time);
}
}
return TRUE;
}
gint
Editor::ruler_mouse_motion (GdkEventMotion* ev)
{
if (session == 0 || !ruler_pressed_button) {
return FALSE;
}
double wcx=0,wcy=0;
double cx=0,cy=0;
gint x,y;
Gdk::ModifierType state;
/* need to use the correct x,y, the event lies */
time_canvas_event_box.get_window()->get_pointer (x, y, state);
track_canvas->c2w (x, y, wcx, wcy);
track_canvas->w2c (wcx, wcy, cx, cy);
nframes_t where = leftmost_frame + pixel_to_frame (x);
/// ripped from maybe_autoscroll, and adapted to work here
nframes_t rightmost_frame = leftmost_frame + current_page_frames ();
jack_nframes_t frame = pixel_to_frame (cx);
if (autoscroll_timeout_tag < 0) {
if (frame > rightmost_frame) {
if (rightmost_frame < max_frames) {
start_canvas_autoscroll (1, 0);
}
} else if (frame < leftmost_frame) {
if (leftmost_frame > 0) {
start_canvas_autoscroll (-1, 0);
}
}
} else {
if (frame >= leftmost_frame && frame < rightmost_frame) {
stop_canvas_autoscroll ();
}
}
//////
snap_to (where);
Cursor* cursor = 0;
switch (ruler_pressed_button) {
case 1:
/* transport playhead */
cursor = playhead_cursor;
break;
case 2:
/* edit point */
// EDIT CURSOR XXX do something useful
break;
default:
break;
}
if (cursor) {
cursor->set_position (where);
if (cursor == playhead_cursor) {
UpdateAllTransportClocks (cursor->current_frame);
}
}
return TRUE;
}
void
Editor::popup_ruler_menu (nframes_t where, ItemType t)
{
using namespace Menu_Helpers;
if (editor_ruler_menu == 0) {
editor_ruler_menu = new Menu;
editor_ruler_menu->set_name ("ArdourContextMenu");
}
// always build from scratch
MenuList& ruler_items = editor_ruler_menu->items();
editor_ruler_menu->set_name ("ArdourContextMenu");
ruler_items.clear();
switch (t) {
case MarkerBarItem:
ruler_items.push_back (MenuElem (_("New location marker"), bind ( mem_fun(*this, &Editor::mouse_add_new_marker), where, false, false)));
ruler_items.push_back (MenuElem (_("Clear all locations"), mem_fun(*this, &Editor::clear_markers)));
ruler_items.push_back (MenuElem (_("Unhide locations"), mem_fun(*this, &Editor::unhide_markers)));
ruler_items.push_back (SeparatorElem ());
break;
case RangeMarkerBarItem:
//ruler_items.push_back (MenuElem (_("New Range")));
ruler_items.push_back (MenuElem (_("Clear all ranges"), mem_fun(*this, &Editor::clear_ranges)));
ruler_items.push_back (MenuElem (_("Unhide ranges"), mem_fun(*this, &Editor::unhide_ranges)));
ruler_items.push_back (SeparatorElem ());
break;
case TransportMarkerBarItem:
break;
case CdMarkerBarItem:
// TODO
ruler_items.push_back (MenuElem (_("New CD track marker"), bind ( mem_fun(*this, &Editor::mouse_add_new_marker), where, true, false)));
break;
case TempoBarItem:
ruler_items.push_back (MenuElem (_("New Tempo"), bind ( mem_fun(*this, &Editor::mouse_add_new_tempo_event), where)));
ruler_items.push_back (MenuElem (_("Clear tempo")));
ruler_items.push_back (SeparatorElem ());
break;
case MeterBarItem:
ruler_items.push_back (MenuElem (_("New Meter"), bind ( mem_fun(*this, &Editor::mouse_add_new_meter_event), where)));
ruler_items.push_back (MenuElem (_("Clear meter")));
ruler_items.push_back (SeparatorElem ());
break;
default:
break;
}
Glib::RefPtr<Action> action;
action = ActionManager::get_action ("Rulers", "toggle-minsec-ruler");
if (action) {
ruler_items.push_back (MenuElem (*action->create_menu_item()));
}
if (!Profile->get_sae()) {
action = ActionManager::get_action ("Rulers", "toggle-timecode-ruler");
if (action) {
ruler_items.push_back (MenuElem (*action->create_menu_item()));
}
}
action = ActionManager::get_action ("Rulers", "toggle-samples-ruler");
if (action) {
ruler_items.push_back (MenuElem (*action->create_menu_item()));
}
action = ActionManager::get_action ("Rulers", "toggle-bbt-ruler");
if (action) {
ruler_items.push_back (MenuElem (*action->create_menu_item()));
}
action = ActionManager::get_action ("Rulers", "toggle-meter-ruler");
if (action) {
ruler_items.push_back (MenuElem (*action->create_menu_item()));
}
action = ActionManager::get_action ("Rulers", "toggle-tempo-ruler");
if (action) {
ruler_items.push_back (MenuElem (*action->create_menu_item()));
}
if (!Profile->get_sae()) {
action = ActionManager::get_action ("Rulers", "toggle-range-ruler");
if (action) {
ruler_items.push_back (MenuElem (*action->create_menu_item()));
}
}
action = ActionManager::get_action ("Rulers", "toggle-loop-punch-ruler");
if (action) {
ruler_items.push_back (MenuElem (*action->create_menu_item()));
}
action = ActionManager::get_action ("Rulers", "toggle-cd-marker-ruler");
if (action) {
ruler_items.push_back (MenuElem (*action->create_menu_item()));
}
action = ActionManager::get_action ("Rulers", "toggle-marker-ruler");
if (action) {
ruler_items.push_back (MenuElem (*action->create_menu_item()));
}
editor_ruler_menu->popup (1, gtk_get_current_event_time());
no_ruler_shown_update = false;
}
void
Editor::store_ruler_visibility ()
{
XMLNode* node = new XMLNode(X_("RulerVisibility"));
node->add_property (X_("smpte"), ruler_timecode_action->get_active() ? "yes": "no");
node->add_property (X_("bbt"), ruler_bbt_action->get_active() ? "yes": "no");
node->add_property (X_("frames"), ruler_samples_action->get_active() ? "yes": "no");
node->add_property (X_("minsec"), ruler_minsec_action->get_active() ? "yes": "no");
node->add_property (X_("tempo"), ruler_tempo_action->get_active() ? "yes": "no");
node->add_property (X_("meter"), ruler_meter_action->get_active() ? "yes": "no");
node->add_property (X_("marker"), ruler_marker_action->get_active() ? "yes": "no");
node->add_property (X_("rangemarker"), ruler_range_action->get_active() ? "yes": "no");
node->add_property (X_("transportmarker"), ruler_loop_punch_action->get_active() ? "yes": "no");
node->add_property (X_("cdmarker"), ruler_cd_marker_action->get_active() ? "yes": "no");
session->add_extra_xml (*node);
session->set_dirty ();
}
void
Editor::restore_ruler_visibility ()
{
XMLProperty* prop;
XMLNode * node = session->extra_xml (X_("RulerVisibility"));
no_ruler_shown_update = true;
if (node) {
if ((prop = node->property ("smpte")) != 0) {
if (prop->value() == "yes")
ruler_timecode_action->set_active (true);
else
ruler_timecode_action->set_active (false);
}
if ((prop = node->property ("bbt")) != 0) {
if (prop->value() == "yes")
ruler_bbt_action->set_active (true);
else
ruler_bbt_action->set_active (false);
}
if ((prop = node->property ("frames")) != 0) {
if (prop->value() == "yes")
ruler_samples_action->set_active (true);
else
ruler_samples_action->set_active (false);
}
if ((prop = node->property ("minsec")) != 0) {
if (prop->value() == "yes")
ruler_minsec_action->set_active (true);
else
ruler_minsec_action->set_active (false);
}
if ((prop = node->property ("tempo")) != 0) {
if (prop->value() == "yes")
ruler_tempo_action->set_active (true);
else
ruler_tempo_action->set_active (false);
}
if ((prop = node->property ("meter")) != 0) {
if (prop->value() == "yes")
ruler_meter_action->set_active (true);
else
ruler_meter_action->set_active (false);
}
if ((prop = node->property ("marker")) != 0) {
if (prop->value() == "yes")
ruler_marker_action->set_active (true);
else
ruler_marker_action->set_active (false);
}
if ((prop = node->property ("rangemarker")) != 0) {
if (prop->value() == "yes")
ruler_range_action->set_active (true);
else
ruler_range_action->set_active (false);
}
if ((prop = node->property ("transportmarker")) != 0) {
if (prop->value() == "yes")
ruler_loop_punch_action->set_active (true);
else
ruler_loop_punch_action->set_active (false);
}
if ((prop = node->property ("cdmarker")) != 0) {
if (prop->value() == "yes")
ruler_cd_marker_action->set_active (true);
else
ruler_cd_marker_action->set_active (false);
} else {
// this session doesn't yet know about the cdmarker ruler
// as a benefit to the user who doesn't know the feature exists, show the ruler if
// any cd marks exist
ruler_cd_marker_action->set_active (false);
const Locations::LocationList & locs = session->locations()->list();
for (Locations::LocationList::const_iterator i = locs.begin(); i != locs.end(); ++i) {
if ((*i)->is_cd_marker()) {
ruler_cd_marker_action->set_active (true);
break;
}
}
}
}
no_ruler_shown_update = false;
update_ruler_visibility ();
}
void
Editor::update_ruler_visibility ()
{
using namespace Box_Helpers;
BoxList & lab_children = time_button_vbox.children();
BoxList & ruler_children = time_canvas_vbox.children();
if (no_ruler_shown_update) {
return;
}
visible_timebars = 0;
lab_children.clear();
// leave the last one (the time_canvas) intact
while (ruler_children.size() > 1) {
ruler_children.pop_front();
}
BoxList::iterator canvaspos = ruler_children.begin();
_smpte_ruler = gtk_custom_hruler_new ();
smpte_ruler = Glib::wrap (_smpte_ruler);
smpte_ruler->set_name ("SMPTERuler");
smpte_ruler->set_size_request (-1, (int)timebar_height);
gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_smpte_ruler), &ruler_metrics[ruler_metric_smpte]);
_bbt_ruler = gtk_custom_hruler_new ();
bbt_ruler = Glib::wrap (_bbt_ruler);
bbt_ruler->set_name ("BBTRuler");
bbt_ruler->set_size_request (-1, (int)timebar_height);
gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_bbt_ruler), &ruler_metrics[ruler_metric_bbt]);
_frames_ruler = gtk_custom_hruler_new ();
frames_ruler = Glib::wrap (_frames_ruler);
frames_ruler->set_name ("FramesRuler");
frames_ruler->set_size_request (-1, (int)timebar_height);
gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_frames_ruler), &ruler_metrics[ruler_metric_frames]);
_minsec_ruler = gtk_custom_hruler_new ();
minsec_ruler = Glib::wrap (_minsec_ruler);
minsec_ruler->set_name ("MinSecRuler");
minsec_ruler->set_size_request (-1, (int)timebar_height);
gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_minsec_ruler), &ruler_metrics[ruler_metric_minsec]);
smpte_ruler->add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::SCROLL_MASK);
bbt_ruler->add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::SCROLL_MASK);
frames_ruler->add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::SCROLL_MASK);
minsec_ruler->add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::SCROLL_MASK);
smpte_ruler->signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_button_release));
bbt_ruler->signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_button_release));
frames_ruler->signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_button_release));
minsec_ruler->signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_button_release));
smpte_ruler->signal_button_press_event().connect (mem_fun(*this, &Editor::ruler_button_press));
bbt_ruler->signal_button_press_event().connect (mem_fun(*this, &Editor::ruler_button_press));
frames_ruler->signal_button_press_event().connect (mem_fun(*this, &Editor::ruler_button_press));
minsec_ruler->signal_button_press_event().connect (mem_fun(*this, &Editor::ruler_button_press));
smpte_ruler->signal_motion_notify_event().connect (mem_fun(*this, &Editor::ruler_mouse_motion));
bbt_ruler->signal_motion_notify_event().connect (mem_fun(*this, &Editor::ruler_mouse_motion));
frames_ruler->signal_motion_notify_event().connect (mem_fun(*this, &Editor::ruler_mouse_motion));
minsec_ruler->signal_motion_notify_event().connect (mem_fun(*this, &Editor::ruler_mouse_motion));
smpte_ruler->signal_scroll_event().connect (mem_fun(*this, &Editor::ruler_scroll));
bbt_ruler->signal_scroll_event().connect (mem_fun(*this, &Editor::ruler_scroll));
frames_ruler->signal_scroll_event().connect (mem_fun(*this, &Editor::ruler_scroll));
minsec_ruler->signal_scroll_event().connect (mem_fun(*this, &Editor::ruler_scroll));
ruler_children.insert (canvaspos, Element(*_ruler_separator, PACK_SHRINK, PACK_START));
if (ruler_minsec_action->get_active()) {
lab_children.push_back (Element(minsec_label, PACK_SHRINK, PACK_START));
ruler_children.insert (canvaspos, Element(*minsec_ruler, PACK_SHRINK, PACK_START));
visible_timebars++;
}
if (ruler_timecode_action->get_active()) {
lab_children.push_back (Element(smpte_label, PACK_SHRINK, PACK_START));
ruler_children.insert (canvaspos, Element(*smpte_ruler, PACK_SHRINK, PACK_START));
visible_timebars++;
}
if (ruler_samples_action->get_active()) {
lab_children.push_back (Element(frame_label, PACK_SHRINK, PACK_START));
ruler_children.insert (canvaspos, Element(*frames_ruler, PACK_SHRINK, PACK_START));
visible_timebars++;
}
if (ruler_bbt_action->get_active()) {
lab_children.push_back (Element(bbt_label, PACK_SHRINK, PACK_START));
ruler_children.insert (canvaspos, Element(*bbt_ruler, PACK_SHRINK, PACK_START));
visible_timebars++;
}
double tbpos = 1.0;
double old_unit_pos ;
if (ruler_meter_action->get_active()) {
lab_children.push_back (Element(meter_label, PACK_SHRINK, PACK_START));
old_unit_pos = meter_group->property_y();
if (tbpos != old_unit_pos) {
meter_group->move ( 0.0, tbpos - old_unit_pos);
}
meter_group->show();
tbpos += timebar_height;
visible_timebars++;
}
else {
meter_group->hide();
}
if (ruler_tempo_action->get_active()) {
lab_children.push_back (Element(tempo_label, PACK_SHRINK, PACK_START));
old_unit_pos = tempo_group->property_y();
if (tbpos != old_unit_pos) {
tempo_group->move(0.0, tbpos - old_unit_pos);
}
tempo_group->show();
tbpos += timebar_height;
visible_timebars++;
}
else {
tempo_group->hide();
}
if (!Profile->get_sae() && ruler_range_action->get_active()) {
lab_children.push_back (Element(range_mark_label, PACK_SHRINK, PACK_START));
old_unit_pos = range_marker_group->property_y();
if (tbpos != old_unit_pos) {
range_marker_group->move (0.0, tbpos - old_unit_pos);
}
range_marker_group->show();
tbpos += timebar_height;
visible_timebars++;
} else {
range_marker_group->hide();
}
if (ruler_loop_punch_action->get_active()) {
lab_children.push_back (Element(transport_mark_label, PACK_SHRINK, PACK_START));
old_unit_pos = transport_marker_group->property_y();
if (tbpos != old_unit_pos) {
transport_marker_group->move ( 0.0, tbpos - old_unit_pos);
}
transport_marker_group->show();
tbpos += timebar_height;
visible_timebars++;
}
else {
transport_marker_group->hide();
}
if (ruler_cd_marker_action->get_active()) {
lab_children.push_back (Element(cd_mark_label, PACK_SHRINK, PACK_START));
old_unit_pos = cd_marker_group->property_y();
if (tbpos != old_unit_pos) {
cd_marker_group->move (0.0, tbpos - old_unit_pos);
}
cd_marker_group->show();
tbpos += timebar_height;
visible_timebars++;
// make sure all cd markers show up in their respective places
update_cd_marker_display();
}
else {
cd_marker_group->hide();
// make sure all cd markers show up in their respective places
update_cd_marker_display();
}
if (ruler_marker_action->get_active()) {
lab_children.push_back (Element(mark_label, PACK_SHRINK, PACK_START));
old_unit_pos = marker_group->property_y();
if (tbpos != old_unit_pos) {
marker_group->move ( 0.0, tbpos - old_unit_pos);
}
marker_group->show();
tbpos += timebar_height;
visible_timebars++;
}
else {
marker_group->hide();
}
time_canvas_vbox.set_size_request (-1, (int)(timebar_height * visible_timebars));
time_canvas_event_box.queue_resize();
compute_fixed_ruler_scale();
update_fixed_rulers();
time_canvas_event_box.show_all();
time_button_frame.show_all();
compute_current_bbt_points (leftmost_frame, leftmost_frame + (nframes_t)(edit_packer.get_width() * frames_per_unit));
compute_bbt_ruler_scale (leftmost_frame, leftmost_frame + (nframes_t)(edit_packer.get_width() * frames_per_unit));
redisplay_tempo (false);
}
void
Editor::update_just_smpte ()
{
ENSURE_GUI_THREAD(mem_fun(*this, &Editor::update_just_smpte));
if (session == 0) {
return;
}
nframes_t rightmost_frame = leftmost_frame + current_page_frames();
if (ruler_timecode_action->get_active()) {
gtk_custom_ruler_set_range (GTK_CUSTOM_RULER(_smpte_ruler), leftmost_frame, rightmost_frame,
leftmost_frame, session->current_end_frame());
}
}
void
Editor::compute_fixed_ruler_scale ()
{
if (session == 0) {
return;
}
if (ruler_timecode_action->get_active()) {
set_smpte_ruler_scale (leftmost_frame, leftmost_frame + (edit_packer.get_width() * frames_per_unit) );
}
if (ruler_minsec_action->get_active()) {
set_minsec_ruler_scale (leftmost_frame, leftmost_frame + (edit_packer.get_width() * frames_per_unit) );
}
}
void
Editor::update_fixed_rulers ()
{
nframes_t rightmost_frame;
if (session == 0) {
return;
}
ruler_metrics[ruler_metric_smpte].units_per_pixel = frames_per_unit;
ruler_metrics[ruler_metric_frames].units_per_pixel = frames_per_unit;
ruler_metrics[ruler_metric_minsec].units_per_pixel = frames_per_unit;
rightmost_frame = leftmost_frame + current_page_frames ();
/* these force a redraw, which in turn will force execution of the metric callbacks
to compute the relevant ticks to display.
*/
if (ruler_timecode_action->get_active()) {
gtk_custom_ruler_set_range (GTK_CUSTOM_RULER(_smpte_ruler), leftmost_frame, rightmost_frame,
leftmost_frame, session->current_end_frame());
}
if (ruler_samples_action->get_active()) {
gtk_custom_ruler_set_range (GTK_CUSTOM_RULER(_frames_ruler), leftmost_frame, rightmost_frame,
leftmost_frame, session->current_end_frame());
}
if (ruler_minsec_action->get_active()) {
gtk_custom_ruler_set_range (GTK_CUSTOM_RULER(_minsec_ruler), leftmost_frame, rightmost_frame,
leftmost_frame, session->current_end_frame());
}
}
void
Editor::update_tempo_based_rulers ()
{
if (session == 0) {
return;
}
ruler_metrics[ruler_metric_bbt].units_per_pixel = frames_per_unit;
if (ruler_bbt_action->get_active()) {
gtk_custom_ruler_set_range (GTK_CUSTOM_RULER(_bbt_ruler), leftmost_frame, leftmost_frame+current_page_frames(),
leftmost_frame, session->current_end_frame());
}
}
/* Mark generation */
gint
Editor::_metric_get_smpte (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
{
return ruler_editor->metric_get_smpte (marks, lower, upper, maxchars);
}
gint
Editor::_metric_get_bbt (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
{
return ruler_editor->metric_get_bbt (marks, lower, upper, maxchars);
}
gint
Editor::_metric_get_frames (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
{
return ruler_editor->metric_get_frames (marks, lower, upper, maxchars);
}
gint
Editor::_metric_get_minsec (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
{
return ruler_editor->metric_get_minsec (marks, lower, upper, maxchars);
}
void
Editor::set_smpte_ruler_scale (gdouble lower, gdouble upper)
{
nframes_t range;
nframes_t spacer;
nframes_t fr;
if (session == 0) {
return;
}
fr = session->frame_rate();
if (lower > (spacer = (nframes_t)(128 * Editor::get_current_zoom ()))) {
lower = lower - spacer;
} else {
lower = 0;
}
upper = upper + spacer;
range = (nframes_t) floor (upper - lower);
if (range < (2 * session->frames_per_smpte_frame())) { /* 0 - 2 frames */
smpte_ruler_scale = smpte_show_bits;
smpte_mark_modulo = 20;
smpte_nmarks = 2 + (2 * Config->get_subframes_per_frame());
} else if (range <= (fr / 4)) { /* 2 frames - 0.250 second */
smpte_ruler_scale = smpte_show_frames;
smpte_mark_modulo = 1;
smpte_nmarks = 2 + (range / (nframes_t)session->frames_per_smpte_frame());
} else if (range <= (fr / 2)) { /* 0.25-0.5 second */
smpte_ruler_scale = smpte_show_frames;
smpte_mark_modulo = 2;
smpte_nmarks = 2 + (range / (nframes_t)session->frames_per_smpte_frame());
} else if (range <= fr) { /* 0.5-1 second */
smpte_ruler_scale = smpte_show_frames;
smpte_mark_modulo = 5;
smpte_nmarks = 2 + (range / (nframes_t)session->frames_per_smpte_frame());
} else if (range <= 2 * fr) { /* 1-2 seconds */
smpte_ruler_scale = smpte_show_frames;
smpte_mark_modulo = 10;
smpte_nmarks = 2 + (range / (nframes_t)session->frames_per_smpte_frame());
} else if (range <= 8 * fr) { /* 2-8 seconds */
smpte_ruler_scale = smpte_show_seconds;
smpte_mark_modulo = 1;
smpte_nmarks = 2 + (range / fr);
} else if (range <= 16 * fr) { /* 8-16 seconds */
smpte_ruler_scale = smpte_show_seconds;
smpte_mark_modulo = 2;
smpte_nmarks = 2 + (range / fr);
} else if (range <= 30 * fr) { /* 16-30 seconds */
smpte_ruler_scale = smpte_show_seconds;
smpte_mark_modulo = 5;
smpte_nmarks = 2 + (range / fr);
} else if (range <= 60 * fr) { /* 30-60 seconds */
smpte_ruler_scale = smpte_show_seconds;
smpte_mark_modulo = 5;
smpte_nmarks = 2 + (range / fr);
} else if (range <= 2 * 60 * fr) { /* 1-2 minutes */
smpte_ruler_scale = smpte_show_seconds;
smpte_mark_modulo = 15;
smpte_nmarks = 2 + (range / fr);
} else if (range <= 4 * 60 * fr) { /* 2-4 minutes */
smpte_ruler_scale = smpte_show_seconds;
smpte_mark_modulo = 30;
smpte_nmarks = 2 + (range / fr);
} else if (range <= 10 * 60 * fr) { /* 4-10 minutes */
smpte_ruler_scale = smpte_show_minutes;
smpte_mark_modulo = 2;
smpte_nmarks = 2 + 10;
} else if (range <= 30 * 60 * fr) { /* 10-30 minutes */
smpte_ruler_scale = smpte_show_minutes;
smpte_mark_modulo = 5;
smpte_nmarks = 2 + 30;
} else if (range <= 60 * 60 * fr) { /* 30 minutes - 1hr */
smpte_ruler_scale = smpte_show_minutes;
smpte_mark_modulo = 10;
smpte_nmarks = 2 + 60;
} else if (range <= 4 * 60 * 60 * fr) { /* 1 - 4 hrs*/
smpte_ruler_scale = smpte_show_minutes;
smpte_mark_modulo = 30;
smpte_nmarks = 2 + (60 * 4);
} else if (range <= 8 * 60 * 60 * fr) { /* 4 - 8 hrs*/
smpte_ruler_scale = smpte_show_hours;
smpte_mark_modulo = 1;
smpte_nmarks = 2 + 8;
} else if (range <= 16 * 60 * 60 * fr) { /* 16-24 hrs*/
smpte_ruler_scale = smpte_show_hours;
smpte_mark_modulo = 1;
smpte_nmarks = 2 + 24;
} else {
/* not possible if nframes_t is a 32 bit quantity */
smpte_ruler_scale = smpte_show_hours;
smpte_mark_modulo = 4;
smpte_nmarks = 2 + 24;
}
}
gint
Editor::metric_get_smpte (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
{
nframes_t pos;
nframes_t spacer;
SMPTE::Time smpte;
gchar buf[16];
gint n;
if (session == 0) {
return 0;
}
if (lower > (spacer = (nframes_t)(128 * Editor::get_current_zoom ()))) {
lower = lower - spacer;
} else {
lower = 0;
}
pos = (nframes_t) floor (lower);
*marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * smpte_nmarks);
switch (smpte_ruler_scale) {
case smpte_show_bits:
// Find smpte time of this sample (pos) with subframe accuracy
session->sample_to_smpte(pos, smpte, true /* use_offset */, true /* use_subframes */ );
for (n = 0; n < smpte_nmarks; n++) {
session->smpte_to_sample(smpte, pos, true /* use_offset */, true /* use_subframes */ );
if ((smpte.subframes % smpte_mark_modulo) == 0) {
if (smpte.subframes == 0) {
(*marks)[n].style = GtkCustomRulerMarkMajor;
snprintf (buf, sizeof(buf), "%s%02u:%02u:%02u:%02u", smpte.negative ? "-" : "", smpte.hours, smpte.minutes, smpte.seconds, smpte.frames);
} else {
(*marks)[n].style = GtkCustomRulerMarkMinor;
snprintf (buf, sizeof(buf), ".%02u", smpte.subframes);
}
} else {
snprintf (buf, sizeof(buf)," ");
(*marks)[n].style = GtkCustomRulerMarkMicro;
}
(*marks)[n].label = g_strdup (buf);
(*marks)[n].position = pos;
// Increment subframes by one
SMPTE::increment_subframes( smpte );
}
break;
case smpte_show_seconds:
// Find smpte time of this sample (pos)
session->sample_to_smpte(pos, smpte, true /* use_offset */, false /* use_subframes */ );
// Go to next whole second down
SMPTE::seconds_floor( smpte );
for (n = 0; n < smpte_nmarks; n++) {
session->smpte_to_sample(smpte, pos, true /* use_offset */, false /* use_subframes */ );
if ((smpte.seconds % smpte_mark_modulo) == 0) {
if (smpte.seconds == 0) {
(*marks)[n].style = GtkCustomRulerMarkMajor;
(*marks)[n].position = pos;
} else {
(*marks)[n].style = GtkCustomRulerMarkMinor;
(*marks)[n].position = pos;
}
snprintf (buf, sizeof(buf), "%s%02u:%02u:%02u:%02u", smpte.negative ? "-" : "", smpte.hours, smpte.minutes, smpte.seconds, smpte.frames);
} else {
snprintf (buf, sizeof(buf)," ");
(*marks)[n].style = GtkCustomRulerMarkMicro;
(*marks)[n].position = pos;
}
(*marks)[n].label = g_strdup (buf);
SMPTE::increment_seconds( smpte );
}
break;
case smpte_show_minutes:
// Find smpte time of this sample (pos)
session->sample_to_smpte(pos, smpte, true /* use_offset */, false /* use_subframes */ );
// Go to next whole minute down
SMPTE::minutes_floor( smpte );
for (n = 0; n < smpte_nmarks; n++) {
session->smpte_to_sample(smpte, pos, true /* use_offset */, false /* use_subframes */ );
if ((smpte.minutes % smpte_mark_modulo) == 0) {
if (smpte.minutes == 0) {
(*marks)[n].style = GtkCustomRulerMarkMajor;
} else {
(*marks)[n].style = GtkCustomRulerMarkMinor;
}
snprintf (buf, sizeof(buf), "%s%02u:%02u:%02u:%02u", smpte.negative ? "-" : "", smpte.hours, smpte.minutes, smpte.seconds, smpte.frames);
} else {
snprintf (buf, sizeof(buf)," ");
(*marks)[n].style = GtkCustomRulerMarkMicro;
}
(*marks)[n].label = g_strdup (buf);
(*marks)[n].position = pos;
SMPTE::increment_minutes( smpte );
}
break;
case smpte_show_hours:
// Find smpte time of this sample (pos)
session->sample_to_smpte(pos, smpte, true /* use_offset */, false /* use_subframes */ );
// Go to next whole hour down
SMPTE::hours_floor( smpte );
for (n = 0; n < smpte_nmarks; n++) {
session->smpte_to_sample(smpte, pos, true /* use_offset */, false /* use_subframes */ );
if ((smpte.hours % smpte_mark_modulo) == 0) {
(*marks)[n].style = GtkCustomRulerMarkMajor;
snprintf (buf, sizeof(buf), "%s%02u:%02u:%02u:%02u", smpte.negative ? "-" : "", smpte.hours, smpte.minutes, smpte.seconds, smpte.frames);
} else {
snprintf (buf, sizeof(buf)," ");
(*marks)[n].style = GtkCustomRulerMarkMicro;
}
(*marks)[n].label = g_strdup (buf);
(*marks)[n].position = pos;
SMPTE::increment_hours( smpte );
}
break;
case smpte_show_frames:
// Find smpte time of this sample (pos)
session->sample_to_smpte(pos, smpte, true /* use_offset */, false /* use_subframes */ );
// Go to next whole frame down
SMPTE::frames_floor( smpte );
for (n = 0; n < smpte_nmarks; n++) {
session->smpte_to_sample(smpte, pos, true /* use_offset */, false /* use_subframes */ );
if ((smpte.frames % smpte_mark_modulo) == 0) {
if (smpte.frames == 0) {
(*marks)[n].style = GtkCustomRulerMarkMajor;
} else {
(*marks)[n].style = GtkCustomRulerMarkMinor;
}
(*marks)[n].position = pos;
snprintf (buf, sizeof(buf), "%s%02u:%02u:%02u:%02u", smpte.negative ? "-" : "", smpte.hours, smpte.minutes, smpte.seconds, smpte.frames);
} else {
snprintf (buf, sizeof(buf)," ");
(*marks)[n].style = GtkCustomRulerMarkMicro;
(*marks)[n].position = pos;
}
(*marks)[n].label = g_strdup (buf);
SMPTE::increment( smpte );
}
break;
}
return smpte_nmarks;
}
void
Editor::compute_bbt_ruler_scale (nframes_t lower, nframes_t upper)
{
if (session == 0) {
return;
}
TempoMap::BBTPointList::iterator i;
BBT_Time lower_beat, upper_beat; // the beats at each end of the ruler
session->bbt_time((jack_nframes_t) lower, lower_beat);
session->bbt_time((jack_nframes_t) upper, upper_beat);
uint32_t beats = 0;
bbt_accent_modulo = 1;
bbt_bar_helper_on = false;
bbt_bars = 0;
bbt_nmarks = 1;
bbt_ruler_scale = bbt_over;
switch (snap_type) {
case SnapToAThirdBeat:
bbt_beat_subdivision = 3;
break;
case SnapToAQuarterBeat:
bbt_beat_subdivision = 4;
break;
case SnapToAEighthBeat:
bbt_beat_subdivision = 8;
bbt_accent_modulo = 2;
break;
case SnapToASixteenthBeat:
bbt_beat_subdivision = 16;
bbt_accent_modulo = 4;
break;
case SnapToAThirtysecondBeat:
bbt_beat_subdivision = 32;
bbt_accent_modulo = 8;
break;
default:
bbt_beat_subdivision = 4;
break;
}
if (current_bbt_points == 0 || current_bbt_points->empty()) {
return;
}
i = current_bbt_points->end();
i--;
if ((*i).beat >= (*current_bbt_points->begin()).beat) {
bbt_bars = (*i).bar - (*current_bbt_points->begin()).bar;
} else {
bbt_bars = (*i).bar - (*current_bbt_points->begin()).bar - 1;
}
beats = current_bbt_points->size() - bbt_bars;
/*Only show the bar helper if there aren't many bars on the screen */
if ((bbt_bars < 2) || (beats < 5)) {
bbt_bar_helper_on = true;
}
if (bbt_bars > 8192) {
bbt_ruler_scale = bbt_over;
} else if (bbt_bars > 1024) {
bbt_ruler_scale = bbt_show_64;
} else if (bbt_bars > 256) {
bbt_ruler_scale = bbt_show_16;
} else if (bbt_bars > 64) {
bbt_ruler_scale = bbt_show_4;
} else if (bbt_bars > 10) {
bbt_ruler_scale = bbt_show_1;
} else if (bbt_bars > 2) {
bbt_ruler_scale = bbt_show_beats;
} else if (bbt_bars > 0) {
bbt_ruler_scale = bbt_show_ticks;
} else {
bbt_ruler_scale = bbt_show_ticks_detail;
}
if ((bbt_ruler_scale == bbt_show_ticks_detail) && (lower_beat.beats == upper_beat.beats) && (upper_beat.ticks - lower_beat.ticks <= Meter::ticks_per_beat / 4)) {
bbt_ruler_scale = bbt_show_ticks_super_detail;
}
}
gint
Editor::metric_get_bbt (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
{
if (session == 0) {
return 0;
}
TempoMap::BBTPointList::iterator i;
char buf[64];
gint n = 0;
nframes_t pos;
BBT_Time next_beat;
nframes_t next_beat_pos;
uint32_t beats = 0;
uint32_t tick = 0;
uint32_t skip;
uint32_t t;
nframes_t frame_skip;
double frame_skip_error;
double bbt_position_of_helper;
double accumulated_error;
bool i_am_accented = false;
bool helper_active = false;
if (current_bbt_points == 0 || current_bbt_points->empty()) {
return 0;
}
switch (bbt_ruler_scale) {
case bbt_show_beats:
beats = current_bbt_points->size();
bbt_nmarks = beats + 2;
*marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * bbt_nmarks);
(*marks)[0].label = g_strdup(" ");
(*marks)[0].position = lower;
(*marks)[0].style = GtkCustomRulerMarkMicro;
for (n = 1, i = current_bbt_points->begin(); n < bbt_nmarks && i != current_bbt_points->end(); ++i) {
if ((*i).type != TempoMap::Beat) {
continue;
}
if ((*i).frame < lower && (bbt_bar_helper_on)) {
snprintf (buf, sizeof(buf), "<%" PRIu32 "|%" PRIu32, (*i).bar, (*i).beat);
(*marks)[0].label = g_strdup (buf);
helper_active = true;
} else {
if ((*i).beat == 1) {
(*marks)[n].style = GtkCustomRulerMarkMajor;
snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
} else if (((*i).beat % 2 == 1)) {
(*marks)[n].style = GtkCustomRulerMarkMinor;
snprintf (buf, sizeof(buf), " ");
} else {
(*marks)[n].style = GtkCustomRulerMarkMicro;
snprintf (buf, sizeof(buf), " ");
}
(*marks)[n].label = g_strdup (buf);
(*marks)[n].position = (*i).frame;
n++;
}
}
break;
case bbt_show_ticks:
beats = current_bbt_points->size();
bbt_nmarks = (beats + 2) * bbt_beat_subdivision;
bbt_position_of_helper = lower + (30 * Editor::get_current_zoom ());
*marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * bbt_nmarks);
(*marks)[0].label = g_strdup(" ");
(*marks)[0].position = lower;
(*marks)[0].style = GtkCustomRulerMarkMicro;
for (n = 1, i = current_bbt_points->begin(); n < bbt_nmarks && i != current_bbt_points->end(); ++i) {
if ((*i).type != TempoMap::Beat) {
continue;
}
if ((*i).frame < lower && (bbt_bar_helper_on)) {
snprintf (buf, sizeof(buf), "<%" PRIu32 "|%" PRIu32, (*i).bar, (*i).beat);
(*marks)[0].label = g_strdup (buf);
helper_active = true;
} else {
if ((*i).beat == 1) {
(*marks)[n].style = GtkCustomRulerMarkMajor;
snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
} else {
(*marks)[n].style = GtkCustomRulerMarkMinor;
snprintf (buf, sizeof(buf), "%" PRIu32, (*i).beat);
}
if (((*i).frame < bbt_position_of_helper) && helper_active) {
snprintf (buf, sizeof(buf), " ");
}
(*marks)[n].label = g_strdup (buf);
(*marks)[n].position = (*i).frame;
n++;
}
/* Add the tick marks */
/* Find the next beat */
next_beat.beats = (*i).beat;
next_beat.bars = (*i).bar;
next_beat.ticks = 0;
if ((*i).meter->beats_per_bar() > (next_beat.beats + 1)) {
next_beat.beats += 1;
} else {
next_beat.bars += 1;
next_beat.beats = 1;
}
next_beat_pos = session->tempo_map().frame_time(next_beat);
frame_skip = (nframes_t) floor (frame_skip_error = (session->frame_rate() * 60) / (bbt_beat_subdivision * (*i).tempo->beats_per_minute()));
frame_skip_error -= frame_skip;
skip = (uint32_t) (Meter::ticks_per_beat / bbt_beat_subdivision);
pos = (*i).frame + frame_skip;
accumulated_error = frame_skip_error;
tick = skip;
for (t = 0; (tick < Meter::ticks_per_beat) && (n < bbt_nmarks) && (pos < next_beat_pos) ; pos += frame_skip, tick += skip, ++t) {
if (t % bbt_accent_modulo == (bbt_accent_modulo - 1)) {
i_am_accented = true;
}
snprintf (buf, sizeof(buf), " ");
(*marks)[n].label = g_strdup (buf);
/* Error compensation for float to nframes_t*/
accumulated_error += frame_skip_error;
if (accumulated_error > 1) {
pos += 1;
accumulated_error -= 1.0f;
}
(*marks)[n].position = pos;
if ((bbt_beat_subdivision > 4) && i_am_accented) {
(*marks)[n].style = GtkCustomRulerMarkMinor;
} else {
(*marks)[n].style = GtkCustomRulerMarkMicro;
}
i_am_accented = false;
n++;
}
}
break;
case bbt_show_ticks_detail:
beats = current_bbt_points->size();
bbt_nmarks = (beats + 2) * bbt_beat_subdivision;
bbt_position_of_helper = lower + (30 * Editor::get_current_zoom ());
*marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * bbt_nmarks);
(*marks)[0].label = g_strdup(" ");
(*marks)[0].position = lower;
(*marks)[0].style = GtkCustomRulerMarkMicro;
for (n = 1, i = current_bbt_points->begin(); n < bbt_nmarks && i != current_bbt_points->end(); ++i) {
if ((*i).type != TempoMap::Beat) {
continue;
}
if ((*i).frame < lower && (bbt_bar_helper_on)) {
snprintf (buf, sizeof(buf), "<%" PRIu32 "|%" PRIu32, (*i).bar, (*i).beat);
(*marks)[0].label = g_strdup (buf);
helper_active = true;
} else {
if ((*i).beat == 1) {
(*marks)[n].style = GtkCustomRulerMarkMajor;
snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
} else {
(*marks)[n].style = GtkCustomRulerMarkMinor;
snprintf (buf, sizeof(buf), "%" PRIu32, (*i).beat);
}
if (((*i).frame < bbt_position_of_helper) && helper_active) {
snprintf (buf, sizeof(buf), " ");
}
(*marks)[n].label = g_strdup (buf);
(*marks)[n].position = (*i).frame;
n++;
}
/* Add the tick marks */
/* Find the next beat */
next_beat.beats = (*i).beat;
next_beat.bars = (*i).bar;
if ((*i).meter->beats_per_bar() > (next_beat.beats + 1)) {
next_beat.beats += 1;
} else {
next_beat.bars += 1;
next_beat.beats = 1;
}
next_beat_pos = session->tempo_map().frame_time(next_beat);
frame_skip = (nframes_t) floor (frame_skip_error = (session->frame_rate() * 60) / (bbt_beat_subdivision * (*i).tempo->beats_per_minute()));
frame_skip_error -= frame_skip;
skip = (uint32_t) (Meter::ticks_per_beat / bbt_beat_subdivision);
pos = (*i).frame + frame_skip;
accumulated_error = frame_skip_error;
tick = skip;
for (t = 0; (tick < Meter::ticks_per_beat) && (n < bbt_nmarks) && (pos < next_beat_pos) ; pos += frame_skip, tick += skip, ++t) {
if (t % bbt_accent_modulo == (bbt_accent_modulo - 1)) {
i_am_accented = true;
}
if (i_am_accented && (pos > bbt_position_of_helper)){
snprintf (buf, sizeof(buf), "%" PRIu32, tick);
} else {
snprintf (buf, sizeof(buf), " ");
}
(*marks)[n].label = g_strdup (buf);
/* Error compensation for float to nframes_t*/
accumulated_error += frame_skip_error;
if (accumulated_error > 1) {
pos += 1;
accumulated_error -= 1.0f;
}
(*marks)[n].position = pos;
if ((bbt_beat_subdivision > 4) && i_am_accented) {
(*marks)[n].style = GtkCustomRulerMarkMinor;
} else {
(*marks)[n].style = GtkCustomRulerMarkMicro;
}
i_am_accented = false;
n++;
}
}
break;
case bbt_show_ticks_super_detail:
beats = current_bbt_points->size();
bbt_nmarks = (beats + 2) * bbt_beat_subdivision;
bbt_position_of_helper = lower + (30 * Editor::get_current_zoom ());
*marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * bbt_nmarks);
(*marks)[0].label = g_strdup(" ");
(*marks)[0].position = lower;
(*marks)[0].style = GtkCustomRulerMarkMicro;
for (n = 1, i = current_bbt_points->begin(); n < bbt_nmarks && i != current_bbt_points->end(); ++i) {
if ((*i).type != TempoMap::Beat) {
continue;
}
if ((*i).frame < lower && (bbt_bar_helper_on)) {
snprintf (buf, sizeof(buf), "<%" PRIu32 "|%" PRIu32, (*i).bar, (*i).beat);
(*marks)[0].label = g_strdup (buf);
helper_active = true;
} else {
if ((*i).beat == 1) {
(*marks)[n].style = GtkCustomRulerMarkMajor;
snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
} else {
(*marks)[n].style = GtkCustomRulerMarkMinor;
snprintf (buf, sizeof(buf), "%" PRIu32, (*i).beat);
}
if (((*i).frame < bbt_position_of_helper) && helper_active) {
snprintf (buf, sizeof(buf), " ");
}
(*marks)[n].label = g_strdup (buf);
(*marks)[n].position = (*i).frame;
n++;
}
/* Add the tick marks */
/* Find the next beat */
next_beat.beats = (*i).beat;
next_beat.bars = (*i).bar;
if ((*i).meter->beats_per_bar() > (next_beat.beats + 1)) {
next_beat.beats += 1;
} else {
next_beat.bars += 1;
next_beat.beats = 1;
}
next_beat_pos = session->tempo_map().frame_time(next_beat);
frame_skip = (nframes_t) floor (frame_skip_error = (session->frame_rate() * 60) / (bbt_beat_subdivision * (*i).tempo->beats_per_minute()));
frame_skip_error -= frame_skip;
skip = (uint32_t) (Meter::ticks_per_beat / bbt_beat_subdivision);
pos = (*i).frame + frame_skip;
accumulated_error = frame_skip_error;
tick = skip;
for (t = 0; (tick < Meter::ticks_per_beat) && (n < bbt_nmarks) && (pos < next_beat_pos) ; pos += frame_skip, tick += skip, ++t) {
if (t % bbt_accent_modulo == (bbt_accent_modulo - 1)) {
i_am_accented = true;
}
if (pos > bbt_position_of_helper) {
snprintf (buf, sizeof(buf), "%" PRIu32, tick);
} else {
snprintf (buf, sizeof(buf), " ");
}
(*marks)[n].label = g_strdup (buf);
/* Error compensation for float to nframes_t*/
accumulated_error += frame_skip_error;
if (accumulated_error > 1) {
pos += 1;
accumulated_error -= 1.0f;
}
(*marks)[n].position = pos;
if ((bbt_beat_subdivision > 4) && i_am_accented) {
(*marks)[n].style = GtkCustomRulerMarkMinor;
} else {
(*marks)[n].style = GtkCustomRulerMarkMicro;
}
i_am_accented = false;
n++;
}
}
break;
case bbt_over:
bbt_nmarks = 1;
*marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * bbt_nmarks);
snprintf (buf, sizeof(buf), "cannot handle %" PRIu32 " bars", bbt_bars );
(*marks)[0].style = GtkCustomRulerMarkMajor;
(*marks)[0].label = g_strdup (buf);
(*marks)[0].position = lower;
n = 1;
break;
case bbt_show_64:
bbt_nmarks = (gint) (bbt_bars / 64) + 1;
*marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * bbt_nmarks);
for (n = 0, i = current_bbt_points->begin(); i != current_bbt_points->end() && n < bbt_nmarks; i++) {
if ((*i).type == TempoMap::Bar) {
if ((*i).bar % 64 == 1) {
if ((*i).bar % 256 == 1) {
snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
(*marks)[n].style = GtkCustomRulerMarkMajor;
} else {
snprintf (buf, sizeof(buf), " ");
if ((*i).bar % 256 == 129) {
(*marks)[n].style = GtkCustomRulerMarkMinor;
} else {
(*marks)[n].style = GtkCustomRulerMarkMicro;
}
}
(*marks)[n].label = g_strdup (buf);
(*marks)[n].position = (*i).frame;
n++;
}
}
}
break;
case bbt_show_16:
bbt_nmarks = (bbt_bars / 16) + 1;
*marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * bbt_nmarks);
for (n = 0, i = current_bbt_points->begin(); i != current_bbt_points->end() && n < bbt_nmarks; i++) {
if ((*i).type == TempoMap::Bar) {
if ((*i).bar % 16 == 1) {
if ((*i).bar % 64 == 1) {
snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
(*marks)[n].style = GtkCustomRulerMarkMajor;
} else {
snprintf (buf, sizeof(buf), " ");
if ((*i).bar % 64 == 33) {
(*marks)[n].style = GtkCustomRulerMarkMinor;
} else {
(*marks)[n].style = GtkCustomRulerMarkMicro;
}
}
(*marks)[n].label = g_strdup (buf);
(*marks)[n].position = (*i).frame;
n++;
}
}
}
break;
case bbt_show_4:
bbt_nmarks = (bbt_bars / 4) + 1;
*marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * bbt_nmarks);
for (n = 0, i = current_bbt_points->begin(); i != current_bbt_points->end() && n < bbt_nmarks; ++i) {
if ((*i).type == TempoMap::Bar) {
if ((*i).bar % 4 == 1) {
if ((*i).bar % 16 == 1) {
snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
(*marks)[n].style = GtkCustomRulerMarkMajor;
} else {
snprintf (buf, sizeof(buf), " ");
if ((*i).bar % 16 == 9) {
(*marks)[n].style = GtkCustomRulerMarkMinor;
} else {
(*marks)[n].style = GtkCustomRulerMarkMicro;
}
}
(*marks)[n].label = g_strdup (buf);
(*marks)[n].position = (*i).frame;
n++;
}
}
}
break;
case bbt_show_1:
// default:
bbt_nmarks = bbt_bars + 2;
*marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * bbt_nmarks );
for (n = 0, i = current_bbt_points->begin(); i != current_bbt_points->end() && n < bbt_nmarks; i++) {
if ((*i).type == TempoMap::Bar) {
if ((*i).bar % 4 == 1) {
snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
(*marks)[n].style = GtkCustomRulerMarkMajor;
} else {
snprintf (buf, sizeof(buf), " ");
if ((*i).bar % 4 == 3) {
(*marks)[n].style = GtkCustomRulerMarkMinor;
} else {
(*marks)[n].style = GtkCustomRulerMarkMicro;
}
}
(*marks)[n].label = g_strdup (buf);
(*marks)[n].position = (*i).frame;
n++;
}
}
break;
}
return n; //return the actual number of marks made, since we might have skipped some from fractional time signatures
}
gint
Editor::metric_get_frames (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
{
nframes_t mark_interval;
nframes_t pos;
nframes_t ilower = (nframes_t) floor (lower);
nframes_t iupper = (nframes_t) floor (upper);
gchar buf[16];
gint nmarks;
gint n;
if (session == 0) {
return 0;
}
mark_interval = (iupper - ilower) / 5;
if (mark_interval > session->frame_rate()) {
mark_interval -= mark_interval % session->frame_rate();
} else {
mark_interval = session->frame_rate() / (session->frame_rate() / mark_interval ) ;
}
nmarks = 5;
*marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
for (n = 0, pos = ilower; n < nmarks; pos += mark_interval, ++n) {
snprintf (buf, sizeof(buf), "%u", pos);
(*marks)[n].label = g_strdup (buf);
(*marks)[n].position = pos;
(*marks)[n].style = GtkCustomRulerMarkMajor;
}
return nmarks;
}
static void
sample_to_clock_parts ( nframes_t sample,
nframes_t sample_rate,
long *hrs_p,
long *mins_p,
long *secs_p,
long *millisecs_p)
{
nframes_t left;
long hrs;
long mins;
long secs;
long millisecs;
left = sample;
hrs = left / (sample_rate * 60 * 60);
left -= hrs * sample_rate * 60 * 60;
mins = left / (sample_rate * 60);
left -= mins * sample_rate * 60;
secs = left / sample_rate;
left -= secs * sample_rate;
millisecs = left * 1000 / sample_rate;
*millisecs_p = millisecs;
*secs_p = secs;
*mins_p = mins;
*hrs_p = hrs;
return;
}
void
Editor::set_minsec_ruler_scale (gdouble lower, gdouble upper)
{
nframes_t range;
nframes_t fr;
nframes_t spacer;
if (session == 0) {
return;
}
fr = session->frame_rate();
/* to prevent 'flashing' */
if (lower > (spacer = (nframes_t)(128 * Editor::get_current_zoom ()))) {
lower -= spacer;
} else {
lower = 0;
}
upper += spacer;
range = (nframes_t) (upper - lower);
if (range < (fr / 50)) {
minsec_mark_interval = fr / 1000; /* show 1/1000 seconds */
minsec_ruler_scale = minsec_show_frames;
minsec_mark_modulo = 10;
} else if (range <= (fr / 10)) { /* 0-0.1 second */
minsec_mark_interval = fr / 1000; /* show 1/1000 seconds */
minsec_ruler_scale = minsec_show_frames;
minsec_mark_modulo = 10;
} else if (range <= (fr / 2)) { /* 0-0.5 second */
minsec_mark_interval = fr / 100; /* show 1/100 seconds */
minsec_ruler_scale = minsec_show_frames;
minsec_mark_modulo = 100;
} else if (range <= fr) { /* 0-1 second */
minsec_mark_interval = fr / 10; /* show 1/10 seconds */
minsec_ruler_scale = minsec_show_frames;
minsec_mark_modulo = 200;
} else if (range <= 2 * fr) { /* 1-2 seconds */
minsec_mark_interval = fr / 10; /* show 1/10 seconds */
minsec_ruler_scale = minsec_show_frames;
minsec_mark_modulo = 500;
} else if (range <= 8 * fr) { /* 2-5 seconds */
minsec_mark_interval = fr / 5; /* show 2 seconds */
minsec_ruler_scale = minsec_show_frames;
minsec_mark_modulo = 1000;
} else if (range <= 16 * fr) { /* 8-16 seconds */
minsec_mark_interval = fr; /* show 1 seconds */
minsec_ruler_scale = minsec_show_seconds;
minsec_mark_modulo = 2;
} else if (range <= 30 * fr) { /* 10-30 seconds */
minsec_mark_interval = fr; /* show 1 seconds */
minsec_ruler_scale = minsec_show_seconds;
minsec_mark_modulo = 5;
} else if (range <= 60 * fr) { /* 30-60 seconds */
minsec_mark_interval = fr; /* show 1 seconds */
minsec_ruler_scale = minsec_show_seconds;
minsec_mark_modulo = 5;
} else if (range <= 2 * 60 * fr) { /* 1-2 minutes */
minsec_mark_interval = 5 * fr; /* show 5 seconds */
minsec_ruler_scale = minsec_show_seconds;
minsec_mark_modulo = 3;
} else if (range <= 4 * 60 * fr) { /* 4 minutes */
minsec_mark_interval = 5 * fr; /* show 10 seconds */
minsec_ruler_scale = minsec_show_seconds;
minsec_mark_modulo = 30;
} else if (range <= 10 * 60 * fr) { /* 10 minutes */
minsec_mark_interval = 30 * fr; /* show 30 seconds */
minsec_ruler_scale = minsec_show_seconds;
minsec_mark_modulo = 120;
} else if (range <= 30 * 60 * fr) { /* 10-30 minutes */
minsec_mark_interval = 60 * fr; /* show 1 minute */
minsec_ruler_scale = minsec_show_minutes;
minsec_mark_modulo = 5;
} else if (range <= 60 * 60 * fr) { /* 30 minutes - 1hr */
minsec_mark_interval = 2 * 60 * fr; /* show 2 minutes */
minsec_ruler_scale = minsec_show_minutes;
minsec_mark_modulo = 10;
} else if (range <= 4 * 60 * 60 * fr) { /* 1 - 4 hrs*/
minsec_mark_interval = 5 * 60 * fr; /* show 10 minutes */
minsec_ruler_scale = minsec_show_minutes;
minsec_mark_modulo = 30;
} else if (range <= 8 * 60 * 60 * fr) { /* 4 - 8 hrs*/
minsec_mark_interval = 20 * 60 * fr; /* show 20 minutes */
minsec_ruler_scale = minsec_show_minutes;
minsec_mark_modulo = 60;
} else if (range <= 16 * 60 * 60 * fr) { /* 16-24 hrs*/
minsec_mark_interval = 60 * 60 * fr; /* show 60 minutes */
minsec_ruler_scale = minsec_show_hours;
minsec_mark_modulo = 2;
} else {
/* not possible if nframes_t is a 32 bit quantity */
minsec_mark_interval = 4 * 60 * 60 * fr; /* show 4 hrs */
}
minsec_nmarks = 2 + (range / minsec_mark_interval);
}
gint
Editor::metric_get_minsec (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
{
nframes_t pos;
nframes_t spacer;
long hrs, mins, secs, millisecs;
gchar buf[16];
gint n;
if (session == 0) {
return 0;
}
/* to prevent 'flashing' */
if (lower > (spacer = (nframes_t)(128 * Editor::get_current_zoom ()))) {
lower = lower - spacer;
} else {
lower = 0;
}
*marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * minsec_nmarks);
pos = ((((nframes_t) floor(lower)) + (minsec_mark_interval/2))/minsec_mark_interval) * minsec_mark_interval;
switch (minsec_ruler_scale) {
case minsec_show_seconds:
for (n = 0; n < minsec_nmarks; pos += minsec_mark_interval, ++n) {
sample_to_clock_parts (pos, session->frame_rate(), &hrs, &mins, &secs, &millisecs);
if (secs % minsec_mark_modulo == 0) {
if (secs == 0) {
(*marks)[n].style = GtkCustomRulerMarkMajor;
} else {
(*marks)[n].style = GtkCustomRulerMarkMinor;
}
snprintf (buf, sizeof(buf), "%02ld:%02ld:%02ld.%03ld", hrs, mins, secs, millisecs);
} else {
snprintf (buf, sizeof(buf), " ");
(*marks)[n].style = GtkCustomRulerMarkMicro;
}
(*marks)[n].label = g_strdup (buf);
(*marks)[n].position = pos;
}
break;
case minsec_show_minutes:
for (n = 0; n < minsec_nmarks; pos += minsec_mark_interval, ++n) {
sample_to_clock_parts (pos, session->frame_rate(), &hrs, &mins, &secs, &millisecs);
if (mins % minsec_mark_modulo == 0) {
if (mins == 0) {
(*marks)[n].style = GtkCustomRulerMarkMajor;
} else {
(*marks)[n].style = GtkCustomRulerMarkMinor;
}
snprintf (buf, sizeof(buf), "%02ld:%02ld:%02ld.%03ld", hrs, mins, secs, millisecs);
} else {
snprintf (buf, sizeof(buf), " ");
(*marks)[n].style = GtkCustomRulerMarkMicro;
}
(*marks)[n].label = g_strdup (buf);
(*marks)[n].position = pos;
}
break;
case minsec_show_hours:
for (n = 0; n < minsec_nmarks; pos += minsec_mark_interval, ++n) {
sample_to_clock_parts (pos, session->frame_rate(), &hrs, &mins, &secs, &millisecs);
if (hrs % minsec_mark_modulo == 0) {
(*marks)[n].style = GtkCustomRulerMarkMajor;
snprintf (buf, sizeof(buf), "%02ld:%02ld:%02ld.%03ld", hrs, mins, secs, millisecs);
} else {
snprintf (buf, sizeof(buf), " ");
(*marks)[n].style = GtkCustomRulerMarkMicro;
}
(*marks)[n].label = g_strdup (buf);
(*marks)[n].position = pos;
}
break;
case minsec_show_frames:
for (n = 0; n < minsec_nmarks; pos += minsec_mark_interval, ++n) {
sample_to_clock_parts (pos, session->frame_rate(), &hrs, &mins, &secs, &millisecs);
if (millisecs % minsec_mark_modulo == 0) {
if (secs == 0) {
(*marks)[n].style = GtkCustomRulerMarkMajor;
} else {
(*marks)[n].style = GtkCustomRulerMarkMinor;
}
snprintf (buf, sizeof(buf), "%02ld:%02ld:%02ld.%03ld", hrs, mins, secs, millisecs);
} else {
snprintf (buf, sizeof(buf), " ");
(*marks)[n].style = GtkCustomRulerMarkMicro;
}
(*marks)[n].label = g_strdup (buf);
(*marks)[n].position = pos;
}
break;
}
return minsec_nmarks;
}
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