53 lines
1.6 KiB
C++
53 lines
1.6 KiB
C++
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/*
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Copyright (C) 2014 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 <iostream>
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#include <cairomm/context.h>
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#include "pbd/stacktrace.h"
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#include "pbd/compose.h"
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#include "canvas/drag_handle.h"
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using namespace ArdourCanvas;
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DragHandle::DragHandle (Group* g, Rect const & r, bool left_side)
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: Item (g)
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, Rectangle (g, r)
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, _left_side (left_side)
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{
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}
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void
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DragHandle::render (Rect const & area, Cairo::RefPtr<Cairo::Context> context) const
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{
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Rectangle::render (area, context);
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Duple circle_center (_left_side ? x0() : x1(), (y1() - y0())/2.0);
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Duple window_circle_center = item_to_window (circle_center);
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context->set_source_rgba (1.0, 0.0, 0.0, 1.0);
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if (_left_side) {
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context->arc (window_circle_center.x, window_circle_center.y, 7.0, -M_PI/2.0, +M_PI/2.0);
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} else {
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context->arc_negative (window_circle_center.x, window_circle_center.y, 7.0, -M_PI/2.0, +M_PI/2.0);
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}
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context->fill ();
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}
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