175 lines
3.6 KiB
C++
175 lines
3.6 KiB
C++
/*
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Copyright (C) 2002-2007 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 "control_point.h"
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#include "automation_line.h"
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#include "ardour_ui.h"
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#include "public_editor.h"
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#include "canvas/rectangle.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 PBD;
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PBD::Signal1<void, ControlPoint *> ControlPoint::CatchDeletion;
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ControlPoint::ControlPoint (AutomationLine& al)
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: _line (al)
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{
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_model = al.the_list()->end();
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_view_index = 0;
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_can_slide = true;
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_x = 0;
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_y = 0;
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_shape = Full;
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_size = 4.0;
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_item = new ArdourCanvas::Rectangle (&_line.canvas_group());
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_item->set_fill (true);
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_item->set_fill_color (ARDOUR_UI::config()->color ("control point fill"));
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_item->set_outline_color (ARDOUR_UI::config()->color ("control point outline"));
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_item->set_data ("control_point", this);
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_item->Event.connect (sigc::mem_fun (this, &ControlPoint::event_handler));
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hide ();
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}
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ControlPoint::ControlPoint (const ControlPoint& other, bool /*dummy_arg_to_force_special_copy_constructor*/)
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: _line (other._line)
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{
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if (&other == this) {
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return;
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}
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_model = other._model;
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_view_index = other._view_index;
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_can_slide = other._can_slide;
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_x = other._x;
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_y = other._y;
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_shape = other._shape;
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_size = other._size;
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_item = new ArdourCanvas::Rectangle (&_line.canvas_group());
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_item->set_fill (true);
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_item->set_outline_color (ARDOUR_UI::config()->color ("control point outline"));
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/* NOTE: no event handling in copied ControlPoints */
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hide ();
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}
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ControlPoint::~ControlPoint ()
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{
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CatchDeletion (this); /* EMIT SIGNAL */
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delete _item;
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}
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bool
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ControlPoint::event_handler (GdkEvent* event)
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{
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return PublicEditor::instance().canvas_control_point_event (event, _item, this);
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}
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void
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ControlPoint::hide ()
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{
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_item->hide();
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}
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void
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ControlPoint::show()
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{
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_item->show();
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}
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bool
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ControlPoint::visible () const
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{
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return _item->visible ();
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}
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void
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ControlPoint::reset (double x, double y, AutomationList::iterator mi, uint32_t vi, ShapeType shape)
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{
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_model = mi;
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_view_index = vi;
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move_to (x, y, shape);
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}
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void
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ControlPoint::set_color ()
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{
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uint32_t color = 0;
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if (_selected) {
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color = ARDOUR_UI::config()->color ("control point selected");
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} else {
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color = ARDOUR_UI::config()->color ("control point outline");
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}
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_item->set_outline_color (color);
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_item->set_fill_color (ARDOUR_UI::config()->color ("control point fill"));
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}
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void
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ControlPoint::set_size (double sz)
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{
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_size = sz;
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move_to (_x, _y, _shape);
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}
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void
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ControlPoint::move_to (double x, double y, ShapeType shape)
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{
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double x1 = 0;
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double x2 = 0;
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double half_size = rint(_size/2.0);
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switch (shape) {
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case Full:
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x1 = x - half_size;
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x2 = x + half_size;
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break;
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case Start:
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x1 = x;
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x2 = x + half_size;
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break;
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case End:
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x1 = x - half_size;
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x2 = x;
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break;
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}
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_item->set (ArdourCanvas::Rect (x1, y - half_size, x2, y + half_size));
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_x = x;
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_y = y;
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_shape = shape;
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}
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ArdourCanvas::Item&
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ControlPoint::item() const
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{
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return *_item;
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}
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