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livetrax/gtk2_ardour/marker.cc
David Robillard bb9cc45cd2 Strip trailing whitespace and fix other whitespace errors (e.g. space/tab mixing). Whitespace changes only.
Vimmers, try let c_space_errors = 1 in your .vimrc to highlight this kind of stuff in red.  I don't know the emacs equivalent...


git-svn-id: svn://localhost/ardour2/branches/3.0@5773 d708f5d6-7413-0410-9779-e7cbd77b26cf
2009-10-14 16:10:01 +00:00

462 lines
10 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 "ardour_ui.h"
/*
* ardour_ui.h include was moved to the top of the list
* due to a conflicting definition of 'Rect' between
* Apple's MacTypes.h and GTK.
*/
#include "marker.h"
#include "public_editor.h"
#include "utils.h"
#include "canvas_impl.h"
#include "simpleline.h"
#include <gtkmm2ext/utils.h>
#include "i18n.h"
using namespace std;
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), _parent(&parent), _type(type)
{
double label_offset = 0;
/* 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;
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;
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;
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;
/* setup name pixbuf sizes */
name_font = get_font_for_style (N_("MarkerText"));
Gtk::Window win;
Gtk::Label foo;
win.add (foo);
Glib::RefPtr<Pango::Layout> layout = foo.create_pango_layout (X_("Hg")); /* ascender + descender */
int width;
int height;
layout->set_font_description (*name_font);
Gtkmm2ext::get_ink_pixel_size (layout, width, height);
name_height = height + 6;
name_pixbuf = new ArdourCanvas::Pixbuf(*group);
name_pixbuf->property_x() = label_offset;
set_name (annotation.c_str());
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;
}
Marker::~Marker ()
{
drop_references ();
/* destroying the parent group destroys its contents, namely any polygons etc. that we added */
delete name_pixbuf;
delete mark;
delete points;
delete line;
line = 0;
}
void Marker::reparent(ArdourCanvas::Group & parent)
{
group->reparent(parent);
_parent = &parent;
}
void
Marker::set_line_vpos (double pos, double height)
{
if (line) {
line->property_y1() = pos;
line->property_y2() = pos + height;
}
}
void
Marker::add_line (ArdourCanvas::Group* group, double y_origin, double initial_height)
{
if (!line) {
line = new ArdourCanvas::SimpleLine (*group);
line->property_color_rgba() = ARDOUR_UI::config()->canvasvar_EditPoint.get();
line->property_x1() = unit_position + shift;
line->property_y1() = y_origin;
line->property_x2() = unit_position + shift;
line->property_y2() = y_origin + initial_height;
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& new_name)
{
uint32_t pb_width;
double font_size;
font_size = name_font->get_size() / Pango::SCALE;
pb_width = new_name.length() * font_size;
Glib::RefPtr<Gdk::Pixbuf> buf = Gdk::Pixbuf::create(Gdk::COLORSPACE_RGB, true, 8, pb_width, name_height);
cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, pb_width, name_height);
cairo_t *cr = cairo_create (surface);
cairo_text_extents_t te;
cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 1.0);
cairo_select_font_face (cr, name_font->get_family().c_str(),
CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
cairo_set_font_size (cr, font_size);
cairo_text_extents (cr, new_name.c_str(), &te);
cairo_move_to (cr, 0.5,
0.5 - te.height / 2 - te.y_bearing + name_height / 2);
cairo_show_text (cr, new_name.c_str());
unsigned char* src = cairo_image_surface_get_data (surface);
convert_bgra_to_rgba(src, buf->get_pixels(), pb_width, name_height);
cairo_destroy(cr);
name_pixbuf->property_pixbuf() = buf;
if (_type == End || _type == LoopEnd || _type == PunchOut) {
name_pixbuf->property_x() = -(te.width);
}
}
void
Marker::set_position (nframes64_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->property_x1() = unit_position + shift;
line->property_x2() = unit_position + shift;
}
}
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;
mark->property_outline_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 ()
{
}