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/*
ui/scrollpane.h
This file is part of the Osirion project and is distributed under
the terms of the GNU General Public License version 2
*/
#ifndef __INCLUDED_UI_SCROLLPANE_H__
#define __INCLUDED_UI_SCROLLPANE_H__
#include "ui/widget.h"
#include "ui/definitions.h"
namespace ui
{
/// a widget displaying centered text
class ScrollPane : public Widget
{
public:
ScrollPane(Widget *parent, ui::Text &text);
~ScrollPane();
/* -- inspectors ------------------------------------------- */
/// current scroll position
inline int scroll() const {
return scrollpane_scroll;
}
/// current scroll offset
inline int offset() const {
return scrollpane_offset;
}
/// text alignment
inline unsigned int alignment() const {
return scrollpane_alignment;
}
/* -- mutators --------------------------------------------- */
/// set scroll
void set_scroll(const int scroll);
/// set scroll offset
void set_offset(const int offset);
/// increase scroll
void inc_scroll(const int scroll);
/// decrease scroll
void dec_scroll(const int scroll);
/// set text alignment
void set_alignment(const unsigned int alignment);
protected:
/// draw the scroll pane
virtual void draw();
/// key event handler provides mouse scrolling
virtual bool on_keypress(const int key, const unsigned int modifier);
private:
ui::Text &scrollpane_text;
int scrollpane_scroll;
int scrollpane_offset;
unsigned int scrollpane_alignment;
};
}
#endif // __INCLUDED_UI_SCROLLPANE_H__
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