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https://github.com/Ardour/ardour.git
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709 lines
22 KiB
C++
709 lines
22 KiB
C++
/*
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Copyright (C) 2001 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <cmath>
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#include <sigc++/bind.h>
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#include <boost/scoped_ptr.hpp>
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#include "ardour/tempo.h"
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#include "ardour/profile.h"
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#include "canvas/rectangle.h"
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#include "canvas/container.h"
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#include "canvas/line.h"
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#include "canvas/polygon.h"
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#include "canvas/text.h"
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#include "canvas/canvas.h"
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#include "canvas/scroll_group.h"
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#include "canvas/utils.h"
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#include "canvas/debug.h"
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#include "ardour_ui.h"
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/*
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* ardour_ui.h include was moved to the top of the list
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* due to a conflicting definition of 'Rect' between
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* Apple's MacTypes.h and GTK.
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*/
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#include "gui_thread.h"
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#include "marker.h"
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#include "public_editor.h"
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#include "utils.h"
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#include "rgb_macros.h"
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#include <gtkmm2ext/utils.h>
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#include "i18n.h"
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using namespace std;
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using namespace ARDOUR;
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using namespace ARDOUR_UI_UTILS;
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using namespace Gtkmm2ext;
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PBD::Signal1<void,Marker*> Marker::CatchDeletion;
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const char * Marker::default_new_marker_prefix = N_("Marker ");
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static const double name_padding = 10.0;
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RulerMarker::RulerMarker (ARDOUR::Location* l, PublicEditor& editor, ArdourCanvas::Container& parent, double height, guint32 rgba, const std::string& text,
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framepos_t start, framepos_t end)
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: RangeMarker (l, editor, parent, height, rgba, text, start, end)
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{
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/* make sure we call our own color stuff, since we look different */
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use_color ();
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}
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void
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RulerMarker::use_color ()
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{
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Marker::use_color ();
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/* unset the effects of RangeMarker::use_color () */
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_name_background->set_pattern (Cairo::RefPtr<Cairo::SurfacePattern> ());
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}
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void
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RulerMarker::setup_name_display ()
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{
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/* we never show our name, so do nothing */
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}
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RangeMarker::RangeMarker (ARDOUR::Location* l, PublicEditor& editor, ArdourCanvas::Container& parent, double height, guint32 rgba, const std::string& text,
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framepos_t start, framepos_t end)
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: Marker (l, editor, parent, height, rgba, text, Range, start, true)
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, _end_frame (end)
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, _end_line (0)
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{
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assert (start < end);
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/* Marker::Marker calls these but will not have used our versions since it is a constructor.
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*/
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set_position (start, end);
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setup_line ();
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use_color ();
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setup_name_display ();
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/* our appearance depends on some backend parameters, so pick up changes as necessary */
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Config->ParameterChanged.connect (parameter_connection, invalidator (*this), boost::bind (&RangeMarker::parameter_changed, this, _1), gui_context());
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}
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RangeMarker::~RangeMarker ()
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{
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delete _end_line;
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}
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void
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RangeMarker::parameter_changed (const std::string& s)
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{
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if (s == "skip-playback") {
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/* reset our color to reflect global skip-playback setting */
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pick_basic_color (0);
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}
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}
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void
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RangeMarker::use_color ()
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{
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Marker::use_color ();
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double dimen = _height * 2.0;
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Cairo::RefPtr<Cairo::Surface> surface = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, dimen, dimen);
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Cairo::RefPtr<Cairo::Context> context = Cairo::Context::create (surface);
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/* make a darker version of the color */
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double h, s, v;
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ArdourCanvas::color_to_hsv (_color, h, s, v);
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s *= 1.2;
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v *= 1.2;
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ArdourCanvas::Color darker = ArdourCanvas::hsv_to_color (h, s, v, 1.0);
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/* fill background with transparent version of color */
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ArdourCanvas::set_source_rgba (context, darker);
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context->rectangle (0.0, 0.0, dimen, dimen);
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context->fill ();
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/* now draw lines */
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ArdourCanvas::set_source_rgba (context, _color);
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const double line_width = 2.0;
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context->set_line_width (line_width);
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const double d = line_width / (cos ((45.0 / 360.0) * (M_PI * 2.0)));
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for (double p = d; p < (dimen * 3.0); p += (2.0 * d)) {
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context->move_to (p, 0);
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context->line_to (0, p);
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context->stroke ();
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}
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/* and assign pattern to the background rect */
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Cairo::RefPtr<Cairo::SurfacePattern> pattern = Cairo::SurfacePattern::create (surface);
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pattern->set_extend (Cairo::EXTEND_REPEAT);
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_name_background->set_pattern (pattern);
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/* set end line correctly, also */
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if (_end_line) {
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_end_line->set_outline_color (_color);
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}
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if (_name_item) {
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/* black text */
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_name_item->set_color (ArdourCanvas::rgba_to_color (0.0, 0.0, 0.0, 1.0));
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}
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}
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void
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RangeMarker::reposition ()
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{
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_set_position (frame_position, _end_frame);
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}
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void
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RangeMarker::_set_position (framepos_t start, framepos_t end)
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{
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if (end >= 0) {
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_end_frame = end;
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/* clamp displayed length of text to visible marker width
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since the marker's visible width is variable depending
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on zoom (not true for single-position, non-range markers.
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*/
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double pixel_width = editor.sample_to_pixel (end - start);
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_name_background->set_x1 (_name_background->x0() + pixel_width);
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if (_name_item) {
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_name_item->clamp_width (pixel_width - _label_offset);
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}
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}
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Marker::_set_position (start, end);
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}
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void
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RangeMarker::setup_line ()
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{
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Marker::setup_line ();
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if (!_end_line) {
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_end_line = new ArdourCanvas::Line (editor.get_hscroll_group());
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_end_line->set_y1 (ArdourCanvas::COORD_MAX);
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}
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/* line at the end (the start line is handled by Marker */
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/* lines in a different canvas (scroll)group so we have to convert the position
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into a different coordinate system.
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*/
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ArdourCanvas::Duple h = _name_background->item_to_canvas (ArdourCanvas::Duple (0.0, _height));
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ArdourCanvas::Duple g = group->canvas_origin();
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/* merge and adjust them */
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g.x += _name_background->x1();
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g.y = h.y;
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ArdourCanvas::Duple d = _end_line->canvas_to_item (g);
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_end_line->set_y0 (d.y); /* bottom of marker, in the right coordinate system */
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_end_line->set_x0 (d.x);
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_end_line->set_x1 (d.x);
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_end_line->set_outline_color (_color);
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_end_line->show ();
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}
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void
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RangeMarker::bounds_changed ()
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{
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_set_position (_location->start(), _location->end());
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}
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void
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RangeMarker::canvas_height_set (double h)
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{
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if (_end_line) {
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/* h is already in the right coordinate system since it is an absolute height */
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_end_line->set_y1 (h);
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}
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}
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void
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RangeMarker::setup_name_display ()
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{
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/* No need to adjust name background size here, since it is always the same */
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if (_name.empty()) {
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if (_name_item) {
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_name_item->hide ();
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}
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} else {
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if (!_name_item) {
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_name_item = new ArdourCanvas::Text (group);
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CANVAS_DEBUG_NAME (_name_item, string_compose ("Marker::_name_item for %1", _name));
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_name_item->set_font_description (name_font);
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}
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_name_item->show ();
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_name_item->set_x_position (_label_offset);
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/* Limit text to width of background rect */
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_name_item->clamp_width (_name_background->get().width());
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_name_item->set (_name);
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}
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}
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Marker::Marker (ARDOUR::Location* l, PublicEditor& ed, ArdourCanvas::Container& parent, double height, guint32 rgba, const string& annotation,
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Type type, framepos_t start_pos, bool handle_events)
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: editor (ed)
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, _location (l)
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, _parent (&parent)
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, group (0)
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, mark (0)
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, _name_item (0)
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, _start_line (0)
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, _scene_change_rect (0)
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, _scene_change_text (0)
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, frame_position (start_pos)
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, _type (type)
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, _shown (false)
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, _height (height)
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, _color (rgba)
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, _left_label_limit (DBL_MAX)
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, _right_label_limit (DBL_MAX)
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, _label_offset (0)
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, _have_scene_change (false)
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{
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unit_position = editor.sample_to_pixel (frame_position);
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group = new ArdourCanvas::Container (&parent, ArdourCanvas::Duple (unit_position, 0));
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CANVAS_DEBUG_NAME (group, string_compose ("Marker::group for %1", annotation));
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_name_background = new ArdourCanvas::Rectangle (group);
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CANVAS_DEBUG_NAME (_name_background, string_compose ("Marker::_name_background for %1", annotation));
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/* x-coordinates will be set elsewhere */
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_name_background->set_y0 (0.0);
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_name_background->set_y1 (_height - 1.0);
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_label_offset = name_padding;
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/* setup name pixbuf sizes */
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name_font = Pango::FontDescription (ARDOUR_UI::config()->get_canvasvar_SmallBoldFont());
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Gtk::Label foo;
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Glib::RefPtr<Pango::Layout> layout = foo.create_pango_layout (X_("Hg")); /* ascender + descender */
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int width;
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layout->set_font_description (name_font);
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Gtkmm2ext::get_ink_pixel_size (layout, width, name_height);
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editor.ZoomChanged.connect (sigc::mem_fun (*this, &Marker::reposition));
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if (handle_events) {
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/* events will be handled by both the group, make sure it can be used to lookup this object.
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*/
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group->set_data ("marker", this);
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group->Event.connect (sigc::bind (sigc::mem_fun (editor, &PublicEditor::canvas_marker_event), group, this));
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}
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set_name (annotation);
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setup_line ();
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pick_basic_color (rgba);
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use_color ();
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if (_location) {
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/* Listen to region properties that we care about */
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_location->FlagsChanged.connect (location_connections, invalidator(*this), boost::bind (&Marker::flags_changed, this), gui_context());
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_location->NameChanged.connect (location_connections, invalidator(*this), boost::bind (&Marker::name_changed, this), gui_context());
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_location->StartChanged.connect (location_connections, invalidator(*this), boost::bind (&Marker::bounds_changed, this), gui_context());
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_location->EndChanged.connect (location_connections, invalidator(*this), boost::bind (&Marker::bounds_changed, this), gui_context());
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_location->Changed.connect (location_connections, invalidator(*this), boost::bind (&Marker::bounds_changed, this), gui_context());
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}
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}
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Marker::~Marker ()
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{
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CatchDeletion (this); /* EMIT SIGNAL */
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/* destroying the parent group destroys its contents, namely any polygons etc. that we added */
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delete group;
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/* this isn't a child of the group, but belongs to the global canvas hscroll group */
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delete _start_line;
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}
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void Marker::reparent(ArdourCanvas::Container & parent)
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{
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group->reparent (&parent);
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_parent = &parent;
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}
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void
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Marker::name_changed ()
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{
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_name = _location->name();
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setup_name_display ();
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}
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void
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Marker::flags_changed ()
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{
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/* flags are basically indicate by different coloring, so choose
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the right one again.
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*/
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pick_basic_color (0);
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/* location could also have been hidden */
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if (_location && _location->is_hidden()) {
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group->hide ();
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} else {
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group->show ();
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}
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}
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void
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Marker::bounds_changed ()
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{
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/* handler can only be invoked if _location was non-null */
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set_position (_location->start ());
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}
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void
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Marker::canvas_height_set (double h)
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{
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if (_start_line) {
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_start_line->set_y1 (h);
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}
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}
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void
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Marker::set_color (ArdourCanvas::Color c)
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{
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_color = c;
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use_color ();
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}
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void
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Marker::reset_color ()
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{
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pick_basic_color (0);
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}
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void
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Marker::pick_basic_color (ArdourCanvas::Color c)
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{
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ArdourCanvas::Color col;
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if (_location) {
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if (_location->is_cd_marker()) {
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col = ARDOUR_UI::config()->get_canvasvar_LocationCDMarker();
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} else if (_location->is_mark()) {
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col = ARDOUR_UI::config()->get_canvasvar_LocationMarker();
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} else if (_location->is_auto_loop()) {
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col = ARDOUR_UI::config()->get_canvasvar_LocationLoop();
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} else if (_location->is_auto_punch()) {
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col = ARDOUR_UI::config()->get_canvasvar_LocationPunch();
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} else if (_location->is_skip()) {
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if (_location->is_skipping() && Config->get_skip_playback()) {
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col = ARDOUR_UI::config()->get_canvasvar_LocationSkipping();
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} else {
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col = ARDOUR_UI::config()->get_canvasvar_LocationSkip();
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}
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} else {
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col = ARDOUR_UI::config()->get_canvasvar_LocationRange();
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}
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} else {
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col = c;
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}
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set_color (col);
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}
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void
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Marker::setup_line ()
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{
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if (_start_line == 0) {
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_start_line = new ArdourCanvas::Line (editor.get_hscroll_group());
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_start_line->Event.connect (sigc::bind (sigc::mem_fun (editor, &PublicEditor::canvas_marker_event), group, this));
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_start_line->set_y1 (ArdourCanvas::COORD_MAX);
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}
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/* lines in a different canvas (scroll)group so we have to convert the position
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into a different coordinate system.
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*/
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ArdourCanvas::Duple h = _name_background->item_to_canvas (ArdourCanvas::Duple (0.0, _height));
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ArdourCanvas::Duple g = group->canvas_origin();
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/* merge y */
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g.y = h.y;
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ArdourCanvas::Duple d = _start_line->canvas_to_item (g);
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_start_line->set_y0 (d.y); /* bottom of marker, in the right coordinate system */
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_start_line->set_x0 (d.x);
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_start_line->set_x1 (d.x);
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_start_line->set_outline_color (_color);
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_start_line->show ();
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}
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ArdourCanvas::Item&
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Marker::the_item() const
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{
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return *group;
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}
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void
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Marker::set_name (const string& new_name)
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{
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_name = new_name;
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setup_name_display ();
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}
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/** @return true if our label is on the left of the mark, otherwise false */
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bool
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Marker::label_on_left () const
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{
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return (_type == SessionEnd || _type == RangeEnd || _type == LoopEnd || _type == PunchOut);
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}
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void
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Marker::setup_name_display ()
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{
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double limit = _left_label_limit;
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if (_name.empty()) {
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if (_name_item) {
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_name_item->hide ();
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}
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_name_background->set_x0 (0);
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/* hard-coded fixed width used if there is no text to display */
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_name_background->set_x1 (10);
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return;
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} else {
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int name_width;
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int scene_change_width = 0;
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if (!_name_item) {
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_name_item = new ArdourCanvas::Text (group);
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CANVAS_DEBUG_NAME (_name_item, string_compose ("Marker::_name_item for %1", _name));
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_name_item->set_font_description (name_font);
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/* white with 95% opacity */
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_name_item->set_color (ArdourCanvas::rgba_to_color (1.0,1.0,1.0,0.95));
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}
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if (_have_scene_change) {
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/* coordinates of rect that will surround "MIDI" */
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ArdourCanvas::Rect r;
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int midi_height;
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pixel_size (X_("MIDI"), name_font, name_width, midi_height);
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|
|
r.x0 = 2.0;
|
|
r.x1 = r.x1 + name_width + 7.0;
|
|
|
|
if (_scene_change_text == 0) {
|
|
_scene_change_rect = new ArdourCanvas::Rectangle (group);
|
|
_scene_change_text = new ArdourCanvas::Text (group);
|
|
/* move name label over */
|
|
_label_offset += r.x1;
|
|
}
|
|
|
|
/* white with 95% opacity */
|
|
_scene_change_rect->set_outline_color (ArdourCanvas::rgba_to_color (1.0, 1.0, 1.0, 0.95));
|
|
_scene_change_rect->set_fill (false);
|
|
|
|
_scene_change_text->set_font_description (name_font);
|
|
_scene_change_text->set_color (ArdourCanvas::rgba_to_color (1.0, 1.0, 1.0, 0.95));
|
|
_scene_change_text->set (X_("MIDI"));
|
|
|
|
/* 4 pixels left margin, place it in the vertical middle.
|
|
*/
|
|
_scene_change_text->set_position (ArdourCanvas::Duple (4.0, (_height / 2.0) - (name_height / 2.0)));
|
|
|
|
r.y0 = _scene_change_text->position().y - 2.0;
|
|
r.y1 = r.y0 + name_height + 4.0;
|
|
|
|
_scene_change_rect->set (r);
|
|
scene_change_width = r.x1;
|
|
|
|
} else {
|
|
if (_scene_change_text) {
|
|
delete _scene_change_text;
|
|
delete _scene_change_rect;
|
|
_scene_change_text = 0;
|
|
_scene_change_rect = 0;
|
|
}
|
|
}
|
|
|
|
double name_text_width = pixel_width (_name, name_font);
|
|
|
|
name_width = min ((name_text_width + (2.0 * name_padding)), limit);
|
|
_name_item->show ();
|
|
_name_item->set_position (ArdourCanvas::Duple (_label_offset, (_height / 2.0) - (name_height / 2.0)));
|
|
_name_item->clamp_width (name_width);
|
|
_name_item->set (_name);
|
|
|
|
_name_background->set_x0 (_name_item->position().x - _label_offset);
|
|
_name_background->set_x1 (_name_background->x0() + name_width + scene_change_width);
|
|
}
|
|
}
|
|
|
|
void
|
|
Marker::_set_position (framepos_t frame, framepos_t)
|
|
{
|
|
frame_position = frame;
|
|
unit_position = editor.sample_to_pixel (frame_position);
|
|
group->set_x_position (unit_position);
|
|
setup_line ();
|
|
}
|
|
|
|
void
|
|
Marker::reposition ()
|
|
{
|
|
set_position (frame_position);
|
|
}
|
|
|
|
void
|
|
Marker::show ()
|
|
{
|
|
_shown = true;
|
|
|
|
group->show ();
|
|
setup_line ();
|
|
}
|
|
|
|
void
|
|
Marker::hide ()
|
|
{
|
|
_shown = false;
|
|
|
|
group->hide ();
|
|
setup_line ();
|
|
}
|
|
|
|
void
|
|
Marker::use_color ()
|
|
{
|
|
if (mark) {
|
|
mark->set_fill_color (_color);
|
|
mark->set_outline_color (_color);
|
|
}
|
|
|
|
if (_start_line) {
|
|
_start_line->set_outline_color (_color);
|
|
}
|
|
|
|
if (_name_background) {
|
|
_name_background->set_fill (true);
|
|
_name_background->set_fill_color (_color);
|
|
/* white with 20% opacity */
|
|
_name_background->set_outline_color (ArdourCanvas::rgba_to_color (1.0, 1.0, 1.0, 0.20));
|
|
|
|
_name_background->set_outline_what (ArdourCanvas::Rectangle::What (ArdourCanvas::Rectangle::TOP|
|
|
ArdourCanvas::Rectangle::LEFT|
|
|
ArdourCanvas::Rectangle::RIGHT));
|
|
}
|
|
}
|
|
|
|
/** Set the number of pixels that are available for a label to the left of the centre of this marker */
|
|
void
|
|
Marker::set_left_label_limit (double p)
|
|
{
|
|
_left_label_limit = p;
|
|
|
|
if (_left_label_limit < 0) {
|
|
_left_label_limit = 0;
|
|
}
|
|
|
|
if (label_on_left ()) {
|
|
setup_name_display ();
|
|
}
|
|
}
|
|
|
|
/** Set the number of pixels that are available for a label to the right of the centre of this marker */
|
|
void
|
|
Marker::set_right_label_limit (double p)
|
|
{
|
|
_right_label_limit = p;
|
|
|
|
if (_right_label_limit < 0) {
|
|
_right_label_limit = 0;
|
|
}
|
|
|
|
if (!label_on_left ()) {
|
|
setup_name_display ();
|
|
}
|
|
}
|
|
|
|
void
|
|
Marker::set_has_scene_change (bool yn)
|
|
{
|
|
_have_scene_change = yn;
|
|
setup_name_display ();
|
|
}
|
|
|
|
/***********************************************************************/
|
|
|
|
TempoMarker::TempoMarker (PublicEditor& editor, ArdourCanvas::Container& parent, double height, guint32 rgba, const string& text,
|
|
ARDOUR::TempoSection& temp)
|
|
: Marker (0, editor, parent, height, rgba, text, Tempo, 0, false),
|
|
_tempo (temp)
|
|
{
|
|
set_position (_tempo.frame());
|
|
group->Event.connect (sigc::bind (sigc::mem_fun (editor, &PublicEditor::canvas_tempo_marker_event), group, this));
|
|
}
|
|
|
|
TempoMarker::~TempoMarker ()
|
|
{
|
|
}
|
|
|
|
/***********************************************************************/
|
|
|
|
MeterMarker::MeterMarker (PublicEditor& editor, ArdourCanvas::Container& parent, double height, guint32 rgba, const string& text,
|
|
ARDOUR::MeterSection& m)
|
|
: Marker (0, editor, parent, height, rgba, text, Meter, 0, false),
|
|
_meter (m)
|
|
{
|
|
set_position (_meter.frame());
|
|
group->Event.connect (sigc::bind (sigc::mem_fun (editor, &PublicEditor::canvas_meter_marker_event), group, this));
|
|
}
|
|
|
|
MeterMarker::~MeterMarker ()
|
|
{
|
|
}
|
|
|