scummvm/gui/ScrollBarWidget.h
2002-07-12 23:00:35 +00:00

73 lines
1.7 KiB
C++

/* ScummVM - Scumm Interpreter
* Copyright (C) 2002 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*/
#ifndef SCROLLBARWIDGET_H
#define SCROLLBARWIDGET_H
#include "widget.h"
enum {
kScrollBarWidth = 9
};
enum {
kSetPositionCmd = 'SETP'
};
class ScrollBarWidget : public Widget, public CommandSender {
protected:
enum {
kNoPart,
kUpArrowPart,
kDownArrowPart,
kSliderPart,
kPageUpPart,
kPageDownPart
} _part;
int _sliderHeight;
int _sliderPos;
bool _isDraggingSlider;
int _sliderDeltaMouseDownPos;
public:
int _numEntries;
int _entriesPerPage;
int _currentPos;
public:
ScrollBarWidget(Dialog *boss, int x, int y, int w, int h);
// virtual ~ScrollBarWidget();
void handleClick(int x, int y, int button);
void handleMouseMoved(int x, int y, int button);
void handleMouseEntered(int button) { setFlags(WIDGET_HILITED); }
void handleMouseLeft(int button) { clearFlags(WIDGET_HILITED); _part = kNoPart; _isDraggingSlider = false; draw(); }
void recalc();
protected:
void drawWidget(bool hilite);
void checkbounds();
};
#endif