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/*
ui/widget.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_WIDGET_H__
#define __INCLUDED_UI_WIDGET_H__
#include <string>
#include <list>
#include "auxiliary/functions.h"
#include "math/color.h"
#include "math/vector2f.h"
#include "ui/palette.h"
#include "sys/sys.h"
namespace ui {
class Widget {
public:
/// create a new widget
Widget(Widget *parent=0);
/// destroy a widget
virtual ~Widget();
/* -- inspectors -------------------------------------------- */
inline bool visible() const { return widget_visible; }
inline math::Vector2f &location() { return widget_location; }
inline math::Vector2f &size() { return widget_size; }
inline float const left() const { return widget_location.x; }
inline float const top() const { return widget_location.y; }
inline float const width() const { return widget_size.x; }
inline float const height() const { return widget_size.y; }
inline Palette const *palette() const { return widget_palette; }
inline std::string const &label() const { return widget_label; }
inline bool border() const { return widget_border; }
inline bool background() { return widget_background; }
inline Widget *parent() { return widget_parent; }
/* -- mutators --------------------------------------------- */
/// show the widget
void show();
/// hide the widget
void hide();
/// set location of the top-left corner
void set_location(float const x, float const y);
/// set the widgets width and height
void set_size(float const w, float const h);
/// set the widgets width
void set_width(float const w);
/// set the widgets height
void set_height(float const h);
/// set the widgets palette
void set_palette(Palette *palette);
/// set the widgets label
void set_label(std::string const &label);
/// set the widgets label
void set_label(char const *label);
void set_border(bool border);
void set_background(bool background);
/// resize event
virtual void resize_event();
/// draw event
virtual void draw_event();
/// type definition for child widgets
typedef std::list<Widget *> Children;
/// child widgets
inline Children &children() { return widget_children; }
protected:
/// draw the widget
virtual void draw();
/// resize the widget
virtual void resize();
/// draw the widget background
virtual void draw_background();
/// draw the widget border
virtual void draw_border();
/// list widget content
size_t list(size_t indent);
/// print widget description
virtual void print(size_t indent);
/// map local widget location to global location
inline math::Vector2f global_location() {
math::Vector2f v(widget_location);
Widget *parent = widget_parent;
while (parent) {
v += parent->location();
parent = parent->widget_parent;
}
return v;
}
/// remove a child widget
void remove_child(Widget *child);
Palette *widget_palette;
private:
bool widget_visible;
bool widget_background;
bool widget_border;
math::Vector2f widget_location;
math::Vector2f widget_size;
std::string widget_label;
Children widget_children;
Widget *widget_parent;
Children::iterator find_child(Widget *child);
void add_child(Widget *child);
};
}
#endif // __INCLUDED_UI_WIDGET_H__
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