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/* ScummVM - Scumm Interpreter
* Copyright (C) 2002-2006 The ScummVM project
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $Header$
*/
#ifndef SCROLLBARWIDGET_H
#define SCROLLBARWIDGET_H
#include "gui/widget.h"
namespace GUI {
enum {
kNormalScrollBarWidth = 9,
kBigScrollBarWidth = 15
};
enum {
kSetPositionCmd = 'SETP'
};
class ScrollBarWidget : public Widget, public CommandSender {
protected:
typedef enum {
kNoPart,
kUpArrowPart,
kDownArrowPart,
kSliderPart,
kPageUpPart,
kPageDownPart
} Part;
Part _part;
int _sliderHeight;
int _sliderPos;
Part _draggingPart;
int _sliderDeltaMouseDownPos;
public:
int _numEntries;
int _entriesPerPage;
int _currentPos;
public:
ScrollBarWidget(GuiObject *boss, int x, int y, int w, int h);
void handleMouseDown(int x, int y, int button, int clickCount);
void handleMouseUp(int x, int y, int button, int clickCount);
void handleMouseWheel(int x, int y, int direction);
void handleMouseMoved(int x, int y, int button);
void handleMouseEntered(int button) { setFlags(WIDGET_HILITED); }
void handleMouseLeft(int button) { clearFlags(WIDGET_HILITED); _part = kNoPart; draw(); }
void handleTickle();
// FIXME - this should be private, but then we also have to add accessors
// for _numEntries, _entriesPerPage and _currentPos. This again leads to the question:
// should these accessors force a redraw?
void recalc();
protected:
void drawWidget(bool hilite);
void checkBounds(int old_pos);
};
} // End of namespace GUI
#endif
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