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/*
Copyright (C) 2014 Paul Davis
Author: David Robillard
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 <pbd/error.h>
#include "editor.h"
#include "cursor_context.h"
CursorContext::CursorContext(Editor& editor, Gdk::Cursor* cursor)
: _editor(editor)
, _index(editor.push_canvas_cursor(cursor))
{}
CursorContext::~CursorContext()
{
if (_index == _editor._cursor_stack.size() - 1) {
_editor.pop_canvas_cursor();
} else {
_editor._cursor_stack[_index] = NULL;
}
}
CursorContext::Handle
CursorContext::create(Editor& editor, Gdk::Cursor* cursor)
{
return CursorContext::Handle(new CursorContext(editor, cursor));
}
void
CursorContext::change(Gdk::Cursor* cursor)
{
_editor._cursor_stack[_index] = cursor;
if (_index == _editor._cursor_stack.size() - 1) {
_editor.set_canvas_cursor(cursor);
}
}
void
CursorContext::set(Handle* handle, Editor& editor, Gdk::Cursor* cursor)
{
if (*handle) {
(*handle)->change(cursor);
} else {
*handle = CursorContext::create(editor, cursor);
}
}
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