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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef GUI_WIDGETS_SCROLLBAR_H
#define GUI_WIDGETS_SCROLLBAR_H
#include "gui/widget.h"
namespace GUI {
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;
enum {
kRepeatInitialDelay = 500,
kRepeatDelay = 100
};
uint32 _repeatTimer;
public:
int _numEntries;
int _entriesPerPage;
int _currentPos;
int _singleStep;
public:
ScrollBarWidget(GuiObject *boss, int x, int y, int w, int h);
void handleMouseDown(int x, int y, int button, int clickCount) override;
void handleMouseUp(int x, int y, int button, int clickCount) override;
void handleMouseWheel(int x, int y, int direction) override;
void handleMouseMoved(int x, int y, int button) override;
void handleMouseEntered(int button) override { setFlags(WIDGET_HILITED); }
void handleMouseLeft(int button) override { clearFlags(WIDGET_HILITED); _part = kNoPart; markAsDirty(); }
void handleTickle() override;
bool wantsFocus() override { return true; }
// 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();
void checkBounds(int old_pos);
protected:
void drawWidget() override;
};
} // End of namespace GUI
#endif
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