1 /************************************************************************
2  *
3  * Copyright 2010 Jakob Leben (jakob.leben@gmail.com)
4  *
5  * This file is part of SuperCollider Qt GUI.
6  *
7  * This program is free software: you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation, either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
19  *
20  ************************************************************************/
21 
22 #pragma once
23 
24 class QPainter;
25 class QWidget;
26 class QObject;
27 
28 namespace QtCollider {
29 // WARNING these can be called only from Qt thread (no locking needed):
30 void announcePainting();
31 bool paintingAnnounced();
32 
33 // WARNING language must be locked to call these:
34 bool beginPainting(QPainter*, QObject* obj = 0);
35 void endPainting();
36 bool isPaintingObject(QObject* obj);
37 
38 QPainter* globalPainter();
39 }
40