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livetrax/gtk2_ardour/editor_tempodisplay.cc
David Robillard 684ef0eb7a Fix note range toggling (ie actually change visible range when menu option selected). Still some issue with initial value...
Don't raise tempo lines to top on editor canvas, they steal events.  Same problem on time canvas, but harder to solve...


git-svn-id: svn://localhost/ardour2/trunk@2255 d708f5d6-7413-0410-9779-e7cbd77b26cf
2007-08-06 06:09:41 +00:00

451 lines
12 KiB
C++

/*
Copyright (C) 2002 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 <cstdlib>
#include <cmath>
#include <string>
#include <climits>
#include <libgnomecanvasmm.h>
#include <pbd/error.h>
#include <pbd/memento_command.h>
#include <gtkmm2ext/utils.h>
#include <gtkmm2ext/gtk_ui.h>
#include <ardour/session.h>
#include <ardour/tempo.h>
#include <gtkmm2ext/doi.h>
#include <gtkmm2ext/utils.h>
#include "editor.h"
#include "marker.h"
#include "simpleline.h"
#include "tempo_dialog.h"
#include "rgb_macros.h"
#include "gui_thread.h"
#include "time_axis_view.h"
#include "ardour_ui.h"
#include "i18n.h"
using namespace std;
using namespace sigc;
using namespace ARDOUR;
using namespace PBD;
using namespace Gtk;
using namespace Gtkmm2ext;
using namespace Editing;
void
Editor::remove_metric_marks ()
{
/* don't delete these while handling events, just punt till the GUI is idle */
for (Marks::iterator x = metric_marks.begin(); x != metric_marks.end(); ++x) {
delete_when_idle (*x);
}
metric_marks.clear ();
}
void
Editor::draw_metric_marks (const Metrics& metrics)
{
const MeterSection *ms;
const TempoSection *ts;
char buf[64];
remove_metric_marks ();
for (Metrics::const_iterator i = metrics.begin(); i != metrics.end(); ++i) {
if ((ms = dynamic_cast<const MeterSection*>(*i)) != 0) {
snprintf (buf, sizeof(buf), "%g/%g", ms->beats_per_bar(), ms->note_divisor ());
metric_marks.push_back (new MeterMarker (*this, *meter_group, ARDOUR_UI::config()->canvasvar_MeterMarker.get(), buf,
*(const_cast<MeterSection*>(ms))));
} else if ((ts = dynamic_cast<const TempoSection*>(*i)) != 0) {
snprintf (buf, sizeof (buf), "%.2f", ts->beats_per_minute());
metric_marks.push_back (new TempoMarker (*this, *tempo_group, ARDOUR_UI::config()->canvasvar_TempoMarker.get(), buf,
*(const_cast<TempoSection*>(ts))));
}
}
}
void
Editor::tempo_map_changed (Change ignored)
{
if (!session) {
return;
}
ENSURE_GUI_THREAD(bind (mem_fun (*this, &Editor::tempo_map_changed), ignored));
redisplay_tempo (false); // redraw rulers and measures
session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks); // redraw metric markers
}
/**
* This code was originally in tempo_map_changed, but this is called every time the canvas scrolls horizontally.
* That's why this is moved in here. The new tempo_map_changed is called when the ARDOUR::TempoMap actually changed.
*/
void
Editor::redisplay_tempo (bool immediate_redraw)
{
if (!session) {
return;
}
BBT_Time previous_beat, next_beat; // the beats previous to the leftmost frame and after the rightmost frame
session->bbt_time(leftmost_frame, previous_beat);
session->bbt_time(leftmost_frame + current_page_frames(), next_beat);
if (previous_beat.beats > 1) {
previous_beat.beats -= 1;
} else if (previous_beat.bars > 1) {
previous_beat.bars--;
previous_beat.beats += 1;
}
previous_beat.ticks = 0;
if (session->tempo_map().meter_at(leftmost_frame + current_page_frames()).beats_per_bar () > next_beat.beats + 1) {
next_beat.beats += 1;
} else {
next_beat.bars += 1;
next_beat.beats = 1;
}
next_beat.ticks = 0;
if (current_bbt_points) {
delete current_bbt_points;
current_bbt_points = 0;
}
if (session) {
current_bbt_points = session->tempo_map().get_points (session->tempo_map().frame_time (previous_beat), session->tempo_map().frame_time (next_beat));
update_tempo_based_rulers ();
} else {
current_bbt_points = 0;
}
if (immediate_redraw) {
hide_measures ();
if (session && current_bbt_points) {
draw_measures ();
}
} else {
if (session && current_bbt_points) {
Glib::signal_idle().connect (mem_fun (*this, &Editor::redraw_measures));
} else {
hide_measures ();
}
}
}
void
Editor::hide_measures ()
{
tempo_lines->hide();
marker_tempo_lines->hide();
}
bool
Editor::redraw_measures ()
{
hide_measures ();
draw_measures ();
return false;
}
void
Editor::draw_measures ()
{
if (session == 0 || _show_measures == false
|| !current_bbt_points || current_bbt_points->empty()) {
return;
}
tempo_lines->draw(*current_bbt_points, frames_per_unit);
marker_tempo_lines->draw(*current_bbt_points, frames_per_unit);
/*time_line_group->raise_to_top();
time_line_group->lower(1);*/
marker_time_line_group->raise_to_top();
//marker_time_line_group->lower(1);
/* the cursors are always on top of everything */
cursor_group->raise_to_top();
return;
}
void
Editor::mouse_add_new_tempo_event (nframes_t frame)
{
if (session == 0) {
return;
}
TempoMap& map(session->tempo_map());
TempoDialog tempo_dialog (map, frame, _("add"));
tempo_dialog.set_position (Gtk::WIN_POS_MOUSE);
tempo_dialog.signal_realize().connect (bind (sigc::ptr_fun (set_decoration), &tempo_dialog, Gdk::WMDecoration (Gdk::DECOR_BORDER|Gdk::DECOR_RESIZEH)));
ensure_float (tempo_dialog);
switch (tempo_dialog.run()) {
case RESPONSE_ACCEPT:
break;
default:
return;
}
double bpm = 0;
BBT_Time requested;
bpm = tempo_dialog.get_bpm ();
bpm = max (0.01, bpm);
tempo_dialog.get_bbt_time (requested);
begin_reversible_command (_("add tempo mark"));
XMLNode &before = map.get_state();
map.add_tempo (Tempo (bpm), requested);
XMLNode &after = map.get_state();
session->add_command(new MementoCommand<TempoMap>(map, &before, &after));
commit_reversible_command ();
map.dump (cerr);
}
void
Editor::mouse_add_new_meter_event (nframes_t frame)
{
if (session == 0) {
return;
}
TempoMap& map(session->tempo_map());
MeterDialog meter_dialog (map, frame, _("add"));
meter_dialog.set_position (Gtk::WIN_POS_MOUSE);
meter_dialog.signal_realize().connect (bind (sigc::ptr_fun (set_decoration), &meter_dialog, Gdk::WMDecoration (Gdk::DECOR_BORDER|Gdk::DECOR_RESIZEH)));
ensure_float (meter_dialog);
switch (meter_dialog.run ()) {
case RESPONSE_ACCEPT:
break;
default:
return;
}
double bpb = meter_dialog.get_bpb ();
bpb = max (1.0, bpb); // XXX is this a reasonable limit?
double note_type = meter_dialog.get_note_type ();
BBT_Time requested;
meter_dialog.get_bbt_time (requested);
begin_reversible_command (_("add meter mark"));
XMLNode &before = map.get_state();
map.add_meter (Meter (bpb, note_type), requested);
session->add_command(new MementoCommand<TempoMap>(map, &before, &map.get_state()));
commit_reversible_command ();
map.dump (cerr);
}
void
Editor::remove_tempo_marker (ArdourCanvas::Item* item)
{
Marker* marker;
TempoMarker* tempo_marker;
if ((marker = reinterpret_cast<Marker *> (item->get_data ("marker"))) == 0) {
fatal << _("programming error: tempo marker canvas item has no marker object pointer!") << endmsg;
/*NOTREACHED*/
}
if ((tempo_marker = dynamic_cast<TempoMarker*> (marker)) == 0) {
fatal << _("programming error: marker for tempo is not a tempo marker!") << endmsg;
/*NOTREACHED*/
}
if (tempo_marker->tempo().movable()) {
Glib::signal_idle().connect (bind (mem_fun(*this, &Editor::real_remove_tempo_marker), &tempo_marker->tempo()));
}
}
void
Editor::edit_meter_section (MeterSection* section)
{
MeterDialog meter_dialog (*section, _("done"));
meter_dialog.set_position (Gtk::WIN_POS_MOUSE);
ensure_float (meter_dialog);
switch (meter_dialog.run()) {
case RESPONSE_ACCEPT:
break;
default:
return;
}
double bpb = meter_dialog.get_bpb ();
bpb = max (1.0, bpb); // XXX is this a reasonable limit?
double note_type = meter_dialog.get_note_type ();
begin_reversible_command (_("replace tempo mark"));
XMLNode &before = session->tempo_map().get_state();
session->tempo_map().replace_meter (*section, Meter (bpb, note_type));
XMLNode &after = session->tempo_map().get_state();
session->add_command(new MementoCommand<TempoMap>(session->tempo_map(), &before, &after));
commit_reversible_command ();
}
void
Editor::edit_tempo_section (TempoSection* section)
{
TempoDialog tempo_dialog (*section, _("done"));
tempo_dialog.set_position (Gtk::WIN_POS_MOUSE);
ensure_float (tempo_dialog);
switch (tempo_dialog.run ()) {
case RESPONSE_ACCEPT:
break;
default:
return;
}
double bpm = tempo_dialog.get_bpm ();
BBT_Time when;
tempo_dialog.get_bbt_time(when);
bpm = max (0.01, bpm);
begin_reversible_command (_("replace tempo mark"));
XMLNode &before = session->tempo_map().get_state();
session->tempo_map().replace_tempo (*section, Tempo (bpm));
session->tempo_map().move_tempo (*section, when);
XMLNode &after = session->tempo_map().get_state();
session->add_command (new MementoCommand<TempoMap>(session->tempo_map(), &before, &after));
commit_reversible_command ();
}
void
Editor::edit_tempo_marker (ArdourCanvas::Item *item)
{
Marker* marker;
TempoMarker* tempo_marker;
if ((marker = reinterpret_cast<Marker *> (item->get_data ("marker"))) == 0) {
fatal << _("programming error: tempo marker canvas item has no marker object pointer!") << endmsg;
/*NOTREACHED*/
}
if ((tempo_marker = dynamic_cast<TempoMarker*> (marker)) == 0) {
fatal << _("programming error: marker for tempo is not a tempo marker!") << endmsg;
/*NOTREACHED*/
}
edit_tempo_section (&tempo_marker->tempo());
}
void
Editor::edit_meter_marker (ArdourCanvas::Item *item)
{
Marker* marker;
MeterMarker* meter_marker;
if ((marker = reinterpret_cast<Marker *> (item->get_data ("marker"))) == 0) {
fatal << _("programming error: tempo marker canvas item has no marker object pointer!") << endmsg;
/*NOTREACHED*/
}
if ((meter_marker = dynamic_cast<MeterMarker*> (marker)) == 0) {
fatal << _("programming error: marker for meter is not a meter marker!") << endmsg;
/*NOTREACHED*/
}
edit_meter_section (&meter_marker->meter());
}
gint
Editor::real_remove_tempo_marker (TempoSection *section)
{
begin_reversible_command (_("remove tempo mark"));
XMLNode &before = session->tempo_map().get_state();
session->tempo_map().remove_tempo (*section);
XMLNode &after = session->tempo_map().get_state();
session->add_command(new MementoCommand<TempoMap>(session->tempo_map(), &before, &after));
commit_reversible_command ();
return FALSE;
}
void
Editor::remove_meter_marker (ArdourCanvas::Item* item)
{
Marker* marker;
MeterMarker* meter_marker;
if ((marker = reinterpret_cast<Marker *> (item->get_data ("marker"))) == 0) {
fatal << _("programming error: meter marker canvas item has no marker object pointer!") << endmsg;
/*NOTREACHED*/
}
if ((meter_marker = dynamic_cast<MeterMarker*> (marker)) == 0) {
fatal << _("programming error: marker for meter is not a meter marker!") << endmsg;
/*NOTREACHED*/
}
if (meter_marker->meter().movable()) {
Glib::signal_idle().connect (bind (mem_fun(*this, &Editor::real_remove_meter_marker), &meter_marker->meter()));
}
}
gint
Editor::real_remove_meter_marker (MeterSection *section)
{
begin_reversible_command (_("remove tempo mark"));
XMLNode &before = session->tempo_map().get_state();
session->tempo_map().remove_meter (*section);
XMLNode &after = session->tempo_map().get_state();
session->add_command(new MementoCommand<TempoMap>(session->tempo_map(), &before, &after));
commit_reversible_command ();
return FALSE;
}