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livetrax/gtk2_ardour/marker.cc
Paul Davis b01bdb7e70 merged with trunk revs 2605-2627 
git-svn-id: svn://localhost/ardour2/trunk@2628 d708f5d6-7413-0410-9779-e7cbd77b26cf
2007-11-12 22:23:01 +00:00

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9.2 KiB
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/*
Copyright (C) 2001 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 <sigc++/bind.h>
#include <ardour/tempo.h>
#include "marker.h"
#include "public_editor.h"
#include "utils.h"
#include "canvas_impl.h"
#include "ardour_ui.h"
#include "i18n.h"
using namespace ARDOUR;
Marker::Marker (PublicEditor& ed, ArdourCanvas::Group& parent, guint32 rgba, const string& annotation,
Type type, nframes_t frame, bool handle_events)
: editor (ed), _type(type)
{
double label_offset = 0;
bool annotate_left = false;
/* Shapes we use:
Mark:
(0,0) -> (6,0)
^ |
| V
(0,5) (6,5)
\ /
(3,10)
TempoMark:
MeterMark:
(3,0)
/ \
(0,5) -> (6,5)
^ |
| V
(0,10)<-(6,10)
Start:
0,0\
| \
| \ 6,6
| /
| /
0,12
End:
/12,0
/ |
/ |
6,6 |
\ |
\ |
\ |
12,12
TransportStart:
0,0
| \
| \
| \
| \
| \
0,13 --- 13,13
TransportEnd:
/13,0
/ |
/ |
/ |
/ |
/ |
0,13 ------ 13,13
PunchIn:
0,0 ------> 13,0
| /
| /
| /
| /
| /
| /
0,13
PunchOut
0,0 -->-13,0
\ |
\ |
\ |
\ |
\ |
\ |
13,13
*/
switch (type) {
case Mark:
points = new ArdourCanvas::Points ();
points->push_back (Gnome::Art::Point (0.0, 0.0));
points->push_back (Gnome::Art::Point (6.0, 0.0));
points->push_back (Gnome::Art::Point (6.0, 5.0));
points->push_back (Gnome::Art::Point (3.0, 10.0));
points->push_back (Gnome::Art::Point (0.0, 5.0));
points->push_back (Gnome::Art::Point (0.0, 0.0));
shift = 3;
label_offset = 8.0;
break;
case Tempo:
case Meter:
points = new ArdourCanvas::Points ();
points->push_back (Gnome::Art::Point (3.0, 0.0));
points->push_back (Gnome::Art::Point (6.0, 5.0));
points->push_back (Gnome::Art::Point (6.0, 10.0));
points->push_back (Gnome::Art::Point (0.0, 10.0));
points->push_back (Gnome::Art::Point (0.0, 5.0));
points->push_back (Gnome::Art::Point (3.0, 0.0));
shift = 3;
label_offset = 8.0;
break;
case Start:
points = new ArdourCanvas::Points ();
points->push_back (Gnome::Art::Point (0.0, 0.0));
points->push_back (Gnome::Art::Point (6.5, 6.5));
points->push_back (Gnome::Art::Point (0.0, 13.0));
points->push_back (Gnome::Art::Point (0.0, 0.0));
shift = 0;
label_offset = 13.0;
break;
case End:
points = new ArdourCanvas::Points ();
points->push_back (Gnome::Art::Point (6.5, 6.5));
points->push_back (Gnome::Art::Point (13.0, 0.0));
points->push_back (Gnome::Art::Point (13.0, 13.0));
points->push_back (Gnome::Art::Point (6.5, 6.5));
shift = 13;
label_offset = 6.0;
annotate_left = true;
break;
case LoopStart:
points = new ArdourCanvas::Points ();
points->push_back (Gnome::Art::Point (0.0, 0.0));
points->push_back (Gnome::Art::Point (13.0, 13.0));
points->push_back (Gnome::Art::Point (0.0, 13.0));
points->push_back (Gnome::Art::Point (0.0, 0.0));
shift = 0;
label_offset = 12.0;
break;
case LoopEnd:
points = new ArdourCanvas::Points ();
points->push_back (Gnome::Art::Point (13.0, 0.0));
points->push_back (Gnome::Art::Point (13.0, 13.0));
points->push_back (Gnome::Art::Point (0.0, 13.0));
points->push_back (Gnome::Art::Point (13.0, 0.0));
shift = 13;
label_offset = 0.0;
annotate_left = true;
break;
case PunchIn:
points = new ArdourCanvas::Points ();
points->push_back (Gnome::Art::Point (0.0, 0.0));
points->push_back (Gnome::Art::Point (13.0, 0.0));
points->push_back (Gnome::Art::Point (0.0, 13.0));
points->push_back (Gnome::Art::Point (0.0, 0.0));
shift = 0;
label_offset = 13.0;
break;
case PunchOut:
points = new ArdourCanvas::Points ();
points->push_back (Gnome::Art::Point (0.0, 0.0));
points->push_back (Gnome::Art::Point (12.0, 0.0));
points->push_back (Gnome::Art::Point (12.0, 12.0));
points->push_back (Gnome::Art::Point (0.0, 0.0));
shift = 13;
label_offset = 0.0;
annotate_left = true;
break;
}
frame_position = frame;
unit_position = editor.frame_to_unit (frame);
/* adjust to properly locate the tip */
unit_position -= shift;
group = new Group (parent, unit_position, 1.0);
mark = new Polygon (*group);
mark->property_points() = *points;
mark->property_fill_color_rgba() = rgba;
mark->property_outline_color_rgba() = rgba;
mark->property_width_pixels() = 1;
Pango::FontDescription* font = get_font_for_style (N_("MarkerText"));
text = new Text (*group);
text->property_text() = annotation.c_str();
text->property_font_desc() = *font;
delete font;
if (annotate_left) {
text->property_x() = -(text->property_text_width());
} else {
text->property_x() = label_offset;
}
text->property_y() = 0.0;
text->property_anchor() = Gtk::ANCHOR_NW;
text->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerLabel.get();
editor.ZoomChanged.connect (mem_fun (*this, &Marker::reposition));
mark->set_data ("marker", this);
if (handle_events) {
group->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_marker_event), mark, this));
}
line = 0;
line_points = 0;
}
Marker::~Marker ()
{
drop_references ();
/* destroying the parent group destroys its contents, namely any polygons etc. that we added */
delete text;
delete mark;
delete points;
if (line) {
delete line;
delete line_points;
}
}
void
Marker::add_line (ArdourCanvas::Group* group, double initial_height)
{
if (!line) {
line_points = new ArdourCanvas::Points ();
line_points->push_back (Gnome::Art::Point (unit_position + shift, 0.0));
line_points->push_back (Gnome::Art::Point (unit_position + shift, initial_height));
line = new ArdourCanvas::Line (*group);
line->property_width_pixels() = 1;
line->property_points() = *line_points;
line->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_EditPoint.get();
line->property_first_arrowhead() = TRUE;
line->property_last_arrowhead() = TRUE;
line->property_arrow_shape_a() = 11.0;
line->property_arrow_shape_b() = 0.0;
line->property_arrow_shape_c() = 9.0;
line->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_marker_event), mark, this));
}
show_line ();
}
void
Marker::show_line ()
{
if (line) {
line->raise_to_top();
line->show ();
}
}
void
Marker::hide_line ()
{
if (line) {
line->hide ();
}
}
ArdourCanvas::Item&
Marker::the_item() const
{
return *mark;
}
void
Marker::set_name (const string& name)
{
text->property_text() = name.c_str();
if (_type == End) {
text->property_x() = -(text->property_text_width());
}
}
void
Marker::set_position (nframes_t frame)
{
double new_unit_position = editor.frame_to_unit (frame);
new_unit_position -= shift;
group->move (new_unit_position - unit_position, 0.0);
frame_position = frame;
unit_position = new_unit_position;
if (line) {
(*line_points)[0].set_x (unit_position + shift);
(*line_points)[1].set_x (unit_position + shift);
line->property_points() = *line_points;
}
}
void
Marker::reposition ()
{
set_position (frame_position);
}
void
Marker::show ()
{
group->show();
}
void
Marker::hide ()
{
group->hide();
}
void
Marker::set_color_rgba (uint32_t color)
{
mark->property_fill_color_rgba() = color;
}
/***********************************************************************/
TempoMarker::TempoMarker (PublicEditor& editor, ArdourCanvas::Group& parent, guint32 rgba, const string& text,
ARDOUR::TempoSection& temp)
: Marker (editor, parent, rgba, text, Tempo, 0, false),
_tempo (temp)
{
set_position (_tempo.frame());
group->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_tempo_marker_event), mark, this));
}
TempoMarker::~TempoMarker ()
{
}
/***********************************************************************/
MeterMarker::MeterMarker (PublicEditor& editor, ArdourCanvas::Group& parent, guint32 rgba, const string& text,
ARDOUR::MeterSection& m)
: Marker (editor, parent, rgba, text, Meter, 0, false),
_meter (m)
{
set_position (_meter.frame());
group->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_meter_marker_event), mark, this));
}
MeterMarker::~MeterMarker ()
{
}
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