ui_node_abstractscrollable.h

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/*
Copyright (C) 2002-2010 UFO: Alien Invasion.

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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

#ifndef CLIENT_UI_UI_NODE_ABSTRACTSCROLLABLE_H
#define CLIENT_UI_UI_NODE_ABSTRACTSCROLLABLE_H

#include "../../../shared/mathlib.h"

struct uiBehaviour_s;
struct uiAction_s;
struct uiNode_s;

typedef struct {
    int viewPos;            
    int viewSize;           
    int fullSize;           
} uiScroll_t;

qboolean UI_SetScroll(uiScroll_t *scroll, int viewPos, int viewSize, int fullSize);

typedef struct {
    vec2_t cacheSize;       
    uiScroll_t scrollX;
    uiScroll_t scrollY;

    struct uiAction_s *onViewChange;    
} abstractScrollableExtraData_t;

qboolean UI_AbstractScrollableNodeIsSizeChange(struct uiNode_s *node);
qboolean UI_AbstractScrollableNodeScrollY(struct uiNode_s *node, int offset);
qboolean UI_AbstractScrollableNodeSetY(struct uiNode_s *node, int viewPos, int viewSize, int fullSize);

void UI_RegisterAbstractScrollableNode(struct uiBehaviour_s *behaviour);

#endif