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Diffstat (limited to 'libs/canvas/canvas/scroll_group.h')
-rw-r--r-- | libs/canvas/canvas/scroll_group.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/libs/canvas/canvas/scroll_group.h b/libs/canvas/canvas/scroll_group.h new file mode 100644 index 0000000000..c2b26bf9d9 --- /dev/null +++ b/libs/canvas/canvas/scroll_group.h @@ -0,0 +1,47 @@ +/* + Copyright (C) 2014 Paul Davis + + 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. +*/ + +#ifndef __CANVAS_SCROLL_GROUP_H__ +#define __CANVAS_SCROLL_GROUP_H__ + +#include "canvas/group.h" + +namespace ArdourCanvas { + +class LIBCANVAS_API ScrollGroup : public Group +{ + public: + enum ScrollSensitivity { + ScrollsVertically = 0x1, + ScrollsHorizontally = 0x2 + }; + + explicit ScrollGroup (Group *, ScrollSensitivity); + explicit ScrollGroup (Group *, Duple, ScrollSensitivity); + + void scroll_to (Duple const& d); + Duple canvas_position() const; + + private: + ScrollSensitivity _scroll_sensitivity; + Duple _scroll_offset; +}; + +} + +#endif |