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livetrax/gtk2_ardour/marker.cc
David Robillard 5ee4677900 Moved some colours from hardcoded to ardour.colour (hopefully for canvas themeing?).
Fixed marker canvas separator lines (didn't work, use rect outlines instead).
Fiddle with separator line colours.


git-svn-id: svn://localhost/ardour2/trunk@1948 d708f5d6-7413-0410-9779-e7cbd77b26cf
2007-06-03 21:53:40 +00:00

355 lines
7.9 KiB
C++

/*
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 "color.h"
#include "i18n.h"
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;
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() = color_map[cMarkerLabel];
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));
}
}
Marker::~Marker ()
{
/* destroying the parent group destroys its contents, namely any polygons etc. that we added */
delete text;
delete mark;
delete points;
}
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;
}
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 ()
{
}