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livetrax/gtk2_ardour/editor_rulers.cc
Paul Davis 9e8082aad6 small change to region creation for make-mono-regions; add untested short_path(); fix double-redraws when canvas zoom/position changes 
git-svn-id: svn://localhost/ardour2/trunk@1396 d708f5d6-7413-0410-9779-e7cbd77b26cf
2007-01-29 20:02:43 +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.
$Id$
*/
#include <cstdio> // for sprintf, grrr
#include <cmath>
#include <string>
#include <ardour/tempo.h>
#include <gtkmm2ext/gtk_ui.h>
#include "editor.h"
#include "editing.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;
_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]);
ruler_shown[ruler_metric_smpte] = true;
_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]);
ruler_shown[ruler_metric_bbt] = true;
_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]);
ruler_shown[ruler_time_meter] = true;
ruler_shown[ruler_time_tempo] = true;
ruler_shown[ruler_time_marker] = true;
ruler_shown[ruler_time_range_marker] = true;
ruler_shown[ruler_time_transport_marker] = true;
ruler_shown[ruler_metric_frames] = false;
ruler_shown[ruler_metric_minsec] = false;
smpte_ruler->set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
bbt_ruler->set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
frames_ruler->set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
minsec_ruler->set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_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));
visible_timebars = 7; /* 4 here, 3 in time_canvas */
ruler_pressed_button = 0;
}
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:
/* transport playhead */
snap_to (where);
session->request_locate (where);
break;
case 2:
/* edit cursor */
if (snap_type != Editing::SnapToEditCursor) {
snap_to (where);
}
edit_cursor->set_position (where);
edit_cursor_clock.set (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;
}
hide_verbose_canvas_cursor();
stop_canvas_autoscroll();
nframes_t where = leftmost_frame + pixel_to_frame (x);
switch (ev->button) {
case 1:
/* transport playhead */
snap_to (where);
session->request_locate (where);
break;
case 2:
/* edit cursor */
if (snap_type != Editing::SnapToEditCursor) {
snap_to (where);
}
edit_cursor->set_position (where);
edit_cursor_clock.set (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)
{
popup_ruler_menu();
}
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 one_page = (nframes_t) rint (canvas_width * frames_per_unit);
nframes_t rightmost_frame = leftmost_frame + one_page;
if (autoscroll_timeout_tag < 0) {
if (where > rightmost_frame) {
if (rightmost_frame < max_frames) {
start_canvas_autoscroll (1);
}
} else if (where <= leftmost_frame) {
if (leftmost_frame > 0) {
start_canvas_autoscroll (-1);
}
}
} else {
if (where >= leftmost_frame && where < 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 cursor */
cursor = edit_cursor;
break;
default:
break;
}
if (cursor)
{
cursor->set_position (where);
if (cursor == edit_cursor) {
edit_cursor_clock.set (where);
}
show_verbose_time_cursor (where, 10, cx, 0);
}
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();
CheckMenuItem * mitem;
no_ruler_shown_update = true;
switch (t) {
case MarkerBarItem:
ruler_items.push_back (MenuElem (_("New location marker"), bind ( mem_fun(*this, &Editor::mouse_add_new_marker), where)));
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 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;
}
ruler_items.push_back (CheckMenuElem (_("Min:Secs"), bind (mem_fun(*this, &Editor::ruler_toggled), (int)ruler_metric_minsec)));
mitem = (CheckMenuItem *) &ruler_items.back();
if (ruler_shown[ruler_metric_minsec]) {
mitem->set_active(true);
}
ruler_items.push_back (CheckMenuElem (X_("Timecode"), bind (mem_fun(*this, &Editor::ruler_toggled), (int)ruler_metric_smpte)));
mitem = (CheckMenuItem *) &ruler_items.back();
if (ruler_shown[ruler_metric_smpte]) {
mitem->set_active(true);
}
ruler_items.push_back (CheckMenuElem (_("Frames"), bind (mem_fun(*this, &Editor::ruler_toggled), (int)ruler_metric_frames)));
mitem = (CheckMenuItem *) &ruler_items.back();
if (ruler_shown[ruler_metric_frames]) {
mitem->set_active(true);
}
ruler_items.push_back (CheckMenuElem (_("Bars:Beats"), bind (mem_fun(*this, &Editor::ruler_toggled), (int)ruler_metric_bbt)));
mitem = (CheckMenuItem *) &ruler_items.back();
if (ruler_shown[ruler_metric_bbt]) {
mitem->set_active(true);
}
ruler_items.push_back (SeparatorElem ());
ruler_items.push_back (CheckMenuElem (_("Meter"), bind (mem_fun(*this, &Editor::ruler_toggled), (int)ruler_time_meter)));
mitem = (CheckMenuItem *) &ruler_items.back();
if (ruler_shown[ruler_time_meter]) {
mitem->set_active(true);
}
ruler_items.push_back (CheckMenuElem (_("Tempo"), bind (mem_fun(*this, &Editor::ruler_toggled), (int)ruler_time_tempo)));
mitem = (CheckMenuItem *) &ruler_items.back();
if (ruler_shown[ruler_time_tempo]) {
mitem->set_active(true);
}
ruler_items.push_back (CheckMenuElem (_("Location Markers"), bind (mem_fun(*this, &Editor::ruler_toggled), (int)ruler_time_marker)));
mitem = (CheckMenuItem *) &ruler_items.back();
if (ruler_shown[ruler_time_marker]) {
mitem->set_active(true);
}
ruler_items.push_back (CheckMenuElem (_("Range Markers"), bind (mem_fun(*this, &Editor::ruler_toggled), (int)ruler_time_range_marker)));
mitem = (CheckMenuItem *) &ruler_items.back();
if (ruler_shown[ruler_time_range_marker]) {
mitem->set_active(true);
}
ruler_items.push_back (CheckMenuElem (_("Loop/Punch Ranges"), bind (mem_fun(*this, &Editor::ruler_toggled), (int)ruler_time_transport_marker)));
mitem = (CheckMenuItem *) &ruler_items.back();
if (ruler_shown[ruler_time_transport_marker]) {
mitem->set_active(true);
}
editor_ruler_menu->popup (1, gtk_get_current_event_time());
no_ruler_shown_update = false;
}
void
Editor::ruler_toggled (int ruler)
{
if (!session) return;
if (ruler < 0 || ruler >= (int) sizeof(ruler_shown)) return;
if (no_ruler_shown_update) return;
if (ruler_shown[ruler]) {
if (visible_timebars <= 1) {
// must always have 1 visible
return;
}
}
ruler_shown[ruler] = !ruler_shown[ruler];
update_ruler_visibility ();
// update session extra RulerVisibility
store_ruler_visibility ();
}
void
Editor::store_ruler_visibility ()
{
XMLNode* node = new XMLNode(X_("RulerVisibility"));
node->add_property (X_("smpte"), ruler_shown[ruler_metric_smpte] ? "yes": "no");
node->add_property (X_("bbt"), ruler_shown[ruler_metric_bbt] ? "yes": "no");
node->add_property (X_("frames"), ruler_shown[ruler_metric_frames] ? "yes": "no");
node->add_property (X_("minsec"), ruler_shown[ruler_metric_minsec] ? "yes": "no");
node->add_property (X_("tempo"), ruler_shown[ruler_time_tempo] ? "yes": "no");
node->add_property (X_("meter"), ruler_shown[ruler_time_meter] ? "yes": "no");
node->add_property (X_("marker"), ruler_shown[ruler_time_marker] ? "yes": "no");
node->add_property (X_("rangemarker"), ruler_shown[ruler_time_range_marker] ? "yes": "no");
node->add_property (X_("transportmarker"), ruler_shown[ruler_time_transport_marker] ? "yes": "no");
session->add_extra_xml (*node);
session->set_dirty ();
}
void
Editor::restore_ruler_visibility ()
{
XMLProperty* prop;
XMLNode * node = session->extra_xml (X_("RulerVisibility"));
if (node) {
if ((prop = node->property ("smpte")) != 0) {
if (prop->value() == "yes")
ruler_shown[ruler_metric_smpte] = true;
else
ruler_shown[ruler_metric_smpte] = false;
}
if ((prop = node->property ("bbt")) != 0) {
if (prop->value() == "yes")
ruler_shown[ruler_metric_bbt] = true;
else
ruler_shown[ruler_metric_bbt] = false;
}
if ((prop = node->property ("frames")) != 0) {
if (prop->value() == "yes")
ruler_shown[ruler_metric_frames] = true;
else
ruler_shown[ruler_metric_frames] = false;
}
if ((prop = node->property ("minsec")) != 0) {
if (prop->value() == "yes")
ruler_shown[ruler_metric_minsec] = true;
else
ruler_shown[ruler_metric_minsec] = false;
}
if ((prop = node->property ("tempo")) != 0) {
if (prop->value() == "yes")
ruler_shown[ruler_time_tempo] = true;
else
ruler_shown[ruler_time_tempo] = false;
}
if ((prop = node->property ("meter")) != 0) {
if (prop->value() == "yes")
ruler_shown[ruler_time_meter] = true;
else
ruler_shown[ruler_time_meter] = false;
}
if ((prop = node->property ("marker")) != 0) {
if (prop->value() == "yes")
ruler_shown[ruler_time_marker] = true;
else
ruler_shown[ruler_time_marker] = false;
}
if ((prop = node->property ("rangemarker")) != 0) {
if (prop->value() == "yes")
ruler_shown[ruler_time_range_marker] = true;
else
ruler_shown[ruler_time_range_marker] = false;
}
if ((prop = node->property ("transportmarker")) != 0) {
if (prop->value() == "yes")
ruler_shown[ruler_time_transport_marker] = true;
else
ruler_shown[ruler_time_transport_marker] = 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();
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->set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
bbt_ruler->set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
frames_ruler->set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
minsec_ruler->set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_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));
if (ruler_shown[ruler_metric_minsec]) {
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_shown[ruler_metric_smpte]) {
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_shown[ruler_metric_frames]) {
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_shown[ruler_metric_bbt]) {
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 = 0.0;
double old_unit_pos ;
if (ruler_shown[ruler_time_meter]) {
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_shown[ruler_time_tempo]) {
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 (ruler_shown[ruler_time_marker]) {
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();
}
if (ruler_shown[ruler_time_range_marker]) {
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_shown[ruler_time_transport_marker]) {
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();
}
time_canvas_vbox.set_size_request (-1, (int)(timebar_height * visible_timebars));
time_canvas_event_box.queue_resize();
update_fixed_rulers();
//update_tempo_based_rulers();
tempo_map_changed(Change (0), false);
time_canvas_event_box.show_all();
time_button_event_box.show_all();
}
void
Editor::update_just_smpte ()
{
ENSURE_GUI_THREAD(mem_fun(*this, &Editor::update_just_smpte));
if (session == 0) {
return;
}
/* XXX Note the potential loss of accuracy here as we convert from
an uint32_t (or larger) to a float ... what to do ?
*/
nframes_t page = (nframes_t) floor (canvas_width * frames_per_unit);
nframes_t rightmost_frame = leftmost_frame + page;
if (ruler_shown[ruler_metric_smpte]) {
gtk_custom_ruler_set_range (GTK_CUSTOM_RULER(_smpte_ruler), leftmost_frame, rightmost_frame,
leftmost_frame, session->current_end_frame());
}
}
void
Editor::update_fixed_rulers ()
{
nframes_t rightmost_frame;
if (session == 0) {
return;
}
/* XXX Note the potential loss of accuracy here as we convert from
an uint32_t (or larger) to a float ... what to do ?
*/
nframes_t page = (nframes_t) floor (canvas_width * frames_per_unit);
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 + page;
/* these force a redraw, which in turn will force execution of the metric callbacks
to compute the relevant ticks to display.
*/
if (ruler_shown[ruler_metric_smpte]) {
gtk_custom_ruler_set_range (GTK_CUSTOM_RULER(_smpte_ruler), leftmost_frame, rightmost_frame,
leftmost_frame, session->current_end_frame());
}
if (ruler_shown[ruler_metric_frames]) {
gtk_custom_ruler_set_range (GTK_CUSTOM_RULER(_frames_ruler), leftmost_frame, rightmost_frame,
leftmost_frame, session->current_end_frame());
}
if (ruler_shown[ruler_metric_minsec]) {
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;
}
/* XXX Note the potential loss of accuracy here as we convert from
an uint32_t (or larger) to a float ... what to do ?
*/
nframes_t page = (nframes_t) floor (canvas_width * frames_per_unit);
ruler_metrics[ruler_metric_bbt].units_per_pixel = frames_per_unit;
if (ruler_shown[ruler_metric_bbt]) {
gtk_custom_ruler_set_range (GTK_CUSTOM_RULER(_bbt_ruler), leftmost_frame, leftmost_frame+page,
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);
}
gint
Editor::metric_get_smpte (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
{
nframes_t range;
nframes_t pos;
nframes_t spacer;
nframes_t fr;
SMPTE::Time smpte;
gchar buf[16];
gint nmarks = 0;
gint n;
bool show_bits = false;
bool show_frames = false;
bool show_seconds = false;
bool show_minutes = false;
bool show_hours = false;
int mark_modulo;
if (session == 0) {
return 0;
}
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 */
show_bits = true;
mark_modulo = 20;
nmarks = 1 + (2 * Config->get_subframes_per_frame());
} else if (range <= (fr / 4)) { /* 2 frames - 0.250 second */
show_frames = true;
mark_modulo = 1;
nmarks = 1 + (range / (nframes_t)session->frames_per_smpte_frame());
} else if (range <= (fr / 2)) { /* 0.25-0.5 second */
show_frames = true;
mark_modulo = 2;
nmarks = 1 + (range / (nframes_t)session->frames_per_smpte_frame());
} else if (range <= fr) { /* 0.5-1 second */
show_frames = true;
mark_modulo = 5;
nmarks = 1 + (range / (nframes_t)session->frames_per_smpte_frame());
} else if (range <= 2 * fr) { /* 1-2 seconds */
show_frames = true;
mark_modulo = 10;
nmarks = 1 + (range / (nframes_t)session->frames_per_smpte_frame());
} else if (range <= 8 * fr) { /* 2-8 seconds */
show_seconds = true;
mark_modulo = 1;
nmarks = 1 + (range / fr);
} else if (range <= 16 * fr) { /* 8-16 seconds */
show_seconds = true;
mark_modulo = 2;
nmarks = 1 + (range / fr);
} else if (range <= 30 * fr) { /* 16-30 seconds */
show_seconds = true;
mark_modulo = 5;
nmarks = 1 + (range / fr);
} else if (range <= 60 * fr) { /* 30-60 seconds */
show_seconds = true;
mark_modulo = 5;
nmarks = 1 + (range / fr);
} else if (range <= 2 * 60 * fr) { /* 1-2 minutes */
show_seconds = true;
mark_modulo = 20;
nmarks = 1 + (range / fr);
} else if (range <= 4 * 60 * fr) { /* 2-4 minutes */
show_seconds = true;
mark_modulo = 30;
nmarks = 1 + (range / fr);
} else if (range <= 10 * 60 * fr) { /* 4-10 minutes */
show_minutes = true;
mark_modulo = 2;
nmarks = 1 + 10;
} else if (range <= 30 * 60 * fr) { /* 10-30 minutes */
show_minutes = true;
mark_modulo = 5;
nmarks = 1 + 30;
} else if (range <= 60 * 60 * fr) { /* 30 minutes - 1hr */
show_minutes = true;
mark_modulo = 10;
nmarks = 1 + 60;
} else if (range <= 4 * 60 * 60 * fr) { /* 1 - 4 hrs*/
show_minutes = true;
mark_modulo = 30;
nmarks = 1 + (60 * 4);
} else if (range <= 8 * 60 * 60 * fr) { /* 4 - 8 hrs*/
show_hours = true;
mark_modulo = 1;
nmarks = 1 + 8;
} else if (range <= 16 * 60 * 60 * fr) { /* 16-24 hrs*/
show_hours = true;
mark_modulo = 1;
nmarks = 1 + 24;
} else {
/* not possible if nframes_t is a 32 bit quantity */
show_hours = true;
mark_modulo = 4;
nmarks = 1 + 24;
}
pos = (nframes_t) floor (lower);
*marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
if (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 < nmarks; n++) {
session->smpte_to_sample(smpte, pos, true /* use_offset */, true /* use_subframes */ );
if ((smpte.subframes % 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 );
}
} else if (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 < nmarks; n++) {
session->smpte_to_sample(smpte, pos, true /* use_offset */, false /* use_subframes */ );
if ((smpte.seconds % 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 );
}
} else if (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 < nmarks; n++) {
session->smpte_to_sample(smpte, pos, true /* use_offset */, false /* use_subframes */ );
if ((smpte.minutes % 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 );
}
} else if (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 < nmarks; n++) {
session->smpte_to_sample(smpte, pos, true /* use_offset */, false /* use_subframes */ );
if ((smpte.hours % 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 );
}
} else { // 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 < nmarks; n++) {
session->smpte_to_sample(smpte, pos, true /* use_offset */, false /* use_subframes */ );
if ((smpte.frames % mark_modulo) == 0) {
(*marks)[n].style = GtkCustomRulerMarkMajor;
(*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 );
}
}
return nmarks;
}
gint
Editor::metric_get_bbt (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
{
if (session == 0) {
return 0;
}
TempoMap::BBTPointList::iterator i;
uint32_t beats = 0;
uint32_t bars = 0;
uint32_t desirable_marks;
uint32_t magic_accent_number = 1;
gint nmarks;
char buf[64];
gint n = 0;
nframes_t pos;
bool bar_helper_on = true;
BBT_Time next_beat;
nframes_t next_beat_pos;
if ((desirable_marks = maxchars / 7) == 0) {
return 0;
}
/* align the tick marks to whatever we're snapping to... */
switch (snap_type) {
case SnapToAThirdBeat:
bbt_beat_subdivision = 3;
break;
case SnapToAQuarterBeat:
bbt_beat_subdivision = 4;
break;
case SnapToAEighthBeat:
bbt_beat_subdivision = 8;
magic_accent_number = 2;
break;
case SnapToASixteenthBeat:
bbt_beat_subdivision = 16;
magic_accent_number = 4;
break;
case SnapToAThirtysecondBeat:
bbt_beat_subdivision = 32;
magic_accent_number = 8;
break;
default:
bbt_beat_subdivision = 4;
break;
}
if (current_bbt_points == 0 || current_bbt_points->empty()) {
return 0;
}
i = current_bbt_points->end();
i--;
bars = (*i).bar - (*current_bbt_points->begin()).bar;
beats = current_bbt_points->size() - bars;
/*Only show the bar helper if there aren't many bars on the screen */
if (bars > 1) {
bar_helper_on = false;
}
if (desirable_marks > (beats / 4)) {
/* we're in beat land...*/
uint32_t tick = 0;
uint32_t skip;
uint32_t t;
nframes_t frame_skip;
double frame_skip_error;
double accumulated_error;
double position_of_helper;
bool i_am_accented = false;
bool we_need_ticks = false;
bool helper_active = false;
position_of_helper = lower + (30 * Editor::get_current_zoom ());
if (desirable_marks >= (beats)) {
nmarks = (beats * bbt_beat_subdivision) + 1;
we_need_ticks = true;
} else {
nmarks = beats + 1;
}
*marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
(*marks)[0].label = g_strdup(" ");
(*marks)[0].position = lower;
(*marks)[0].style = GtkCustomRulerMarkMicro;
for (n = 1, i = current_bbt_points->begin(); n < nmarks && i != current_bbt_points->end(); ++i) {
if ((*i).frame < lower && (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).type == TempoMap::Bar) {
if (((*i).frame < position_of_helper) && helper_active) {
snprintf (buf, sizeof(buf), " ");
} else {
snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
}
(*marks)[n].label = g_strdup (buf);
(*marks)[n].position = (*i).frame;
(*marks)[n].style = GtkCustomRulerMarkMajor;
n++;
} else if (((*i).type == TempoMap::Beat) && ((*i).beat > 1)) {
((((*i).frame < position_of_helper) && bar_helper_on) || !we_need_ticks) ?
snprintf (buf, sizeof(buf), " ") : snprintf (buf, sizeof(buf), "%" PRIu32, (*i).beat);
if (((*i).beat % 2 == 1) || we_need_ticks) {
(*marks)[n].style = GtkCustomRulerMarkMinor;
} else {
(*marks)[n].style = GtkCustomRulerMarkMicro;
}
(*marks)[n].label = g_strdup (buf);
(*marks)[n].position = (*i).frame;
n++;
}
}
/* Add the tick marks */
if (we_need_ticks && (*i).type == TempoMap::Beat) {
/* 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 < nmarks) && (pos < next_beat_pos) ; pos += frame_skip, tick += skip, ++t) {
if (t % magic_accent_number == (magic_accent_number - 1)) {
i_am_accented = true;
}
if (Editor::get_current_zoom () > 32) {
snprintf (buf, sizeof(buf), " ");
} else if ((Editor::get_current_zoom () > 8) && !i_am_accented) {
snprintf (buf, sizeof(buf), " ");
} else if (bar_helper_on && (pos < position_of_helper)) {
snprintf (buf, sizeof(buf), " ");
} else {
snprintf (buf, sizeof(buf), "%" PRIu32, tick);
}
(*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++;
}
}
}
return n; //return the actual number of marks made, since we might have skipped some fro fractional time signatures
} else {
/* we're in bar land */
if (desirable_marks < (bars / 256)) {
nmarks = 1;
*marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
snprintf (buf, sizeof(buf), "too many bars... (currently %" PRIu32 ")", bars );
(*marks)[0].style = GtkCustomRulerMarkMajor;
(*marks)[0].label = g_strdup (buf);
(*marks)[0].position = lower;
} else if (desirable_marks < (uint32_t)(nmarks = (gint) (bars / 64) + 1)) {
*marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
for (n = 0, i = current_bbt_points->begin(); i != current_bbt_points->end() && n < 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++;
}
}
}
} else if (desirable_marks < (uint32_t)(nmarks = (bars / 16) + 1)) {
*marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
for (n = 0, i = current_bbt_points->begin(); i != current_bbt_points->end() && n < 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++;
}
}
}
} else if (desirable_marks < (uint32_t)(nmarks = (bars / 4) + 1)){
*marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
for (n = 0, i = current_bbt_points->begin(); i != current_bbt_points->end() && n < 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++;
}
}
}
} else {
nmarks = bars + 1;
*marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks );
for (n = 0, i = current_bbt_points->begin(); i != current_bbt_points->end() && n < 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++;
}
}
}
return n;
}
}
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;
}
gint
Editor::metric_get_minsec (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
{
nframes_t range;
nframes_t fr;
nframes_t mark_interval;
nframes_t pos;
nframes_t spacer;
long hrs, mins, secs, millisecs;
gchar buf[16];
gint nmarks;
gint n;
gint mark_modulo = 100;
bool show_seconds = false;
bool show_minutes = false;
bool show_hours = false;
nframes_t ilower = (nframes_t) floor (lower);
nframes_t iupper = (nframes_t) floor (upper);
if (session == 0) {
return 0;
}
fr = session->frame_rate();
/* to prevent 'flashing' */
if (lower > (spacer = (nframes_t)(128 * Editor::get_current_zoom ()))) {
lower = lower - spacer;
} else {
lower = 0;
}
upper = upper + spacer;
range = iupper - ilower;
if (range < (fr / 50)) {
mark_interval = fr / 100; /* show 1/100 seconds */
mark_modulo = 10;
} else if (range <= (fr / 10)) { /* 0-0.1 second */
mark_interval = fr / 50; /* show 1/50 seconds */
mark_modulo = 20;
} else if (range <= (fr / 2)) { /* 0-0.5 second */
mark_interval = fr / 20; /* show 1/20 seconds */
mark_modulo = 100;
} else if (range <= fr) { /* 0-1 second */
mark_interval = fr / 10; /* show 1/10 seconds */
mark_modulo = 200;
} else if (range <= 2 * fr) { /* 1-2 seconds */
mark_interval = fr / 2; /* show 1/2 seconds */
mark_modulo = 500;
} else if (range <= 8 * fr) { /* 2-5 seconds */
mark_interval = fr / 5; /* show 2 seconds */
mark_modulo = 1000;
} else if (range <= 16 * fr) { /* 8-16 seconds */
mark_interval = fr; /* show 1 seconds */
show_seconds = true;
mark_modulo = 5;
} else if (range <= 30 * fr) { /* 10-30 seconds */
mark_interval = fr; /* show 10 seconds */
show_seconds = true;
mark_modulo = 5;
} else if (range <= 60 * fr) { /* 30-60 seconds */
mark_interval = 5 * fr; /* show 5 seconds */
show_seconds = true;
mark_modulo = 3;
} else if (range <= 2 * 60 * fr) { /* 1-2 minutes */
mark_interval = 5 * fr; /* show 5 seconds */
show_seconds = true;
mark_modulo = 3;
} else if (range <= 4 * 60 * fr) { /* 4 minutes */
mark_interval = 10 * fr; /* show 10 seconds */
show_seconds = true;
mark_modulo = 30;
} else if (range <= 10 * 60 * fr) { /* 10 minutes */
mark_interval = 30 * fr; /* show 30 seconds */
show_seconds = true;
mark_modulo = 60;
} else if (range <= 30 * 60 * fr) { /* 10-30 minutes */
mark_interval = 60 * fr; /* show 1 minute */
show_minutes = true;
mark_modulo = 5;
} else if (range <= 60 * 60 * fr) { /* 30 minutes - 1hr */
mark_interval = 2 * 60 * fr; /* show 2 minutes */
show_minutes = true;
mark_modulo = 10;
} else if (range <= 4 * 60 * 60 * fr) { /* 1 - 4 hrs*/
mark_interval = 5 * 60 * fr; /* show 10 minutes */
show_minutes = true;
mark_modulo = 30;
} else if (range <= 8 * 60 * 60 * fr) { /* 4 - 8 hrs*/
mark_interval = 20 * 60 * fr; /* show 20 minutes */
show_minutes = true;
mark_modulo = 60;
} else if (range <= 16 * 60 * 60 * fr) { /* 16-24 hrs*/
mark_interval = 60 * 60 * fr; /* show 60 minutes */
show_hours = true;
mark_modulo = 2;
} else {
/* not possible if nframes_t is a 32 bit quantity */
mark_interval = 4 * 60 * 60 * fr; /* show 4 hrs */
}
nmarks = 1 + (range / mark_interval);
*marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
pos = ((ilower + (mark_interval/2))/mark_interval) * mark_interval;
if (show_seconds) {
for (n = 0; n < nmarks; pos += mark_interval, ++n) {
sample_to_clock_parts (pos, fr, &hrs, &mins, &secs, &millisecs);
if (secs % 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;
}
} else if (show_minutes) {
for (n = 0; n < nmarks; pos += mark_interval, ++n) {
sample_to_clock_parts (pos, fr, &hrs, &mins, &secs, &millisecs);
if (mins % 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;
}
} else if (show_hours) {
for (n = 0; n < nmarks; pos += mark_interval, ++n) {
sample_to_clock_parts (pos, fr, &hrs, &mins, &secs, &millisecs);
if (hrs % 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;
}
} else {
for (n = 0; n < nmarks; pos += mark_interval, ++n) {
sample_to_clock_parts (pos, fr, &hrs, &mins, &secs, &millisecs);
if (millisecs % mark_modulo == 0) {
if (millisecs == 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;
}
}
return nmarks;
}
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