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#ifndef __label_field_slider
#define __label_field_slider
#include "font.h"
#include "label.h"
#include "field.h"
#include "slider.h"
#include "filled_button.h"
#include <string>
#include <sstream>
#include <fstream>
#include <iostream>
extern font fnt;
template <typename T> struct val_handler {
virtual void operator() (const T& t) = 0;
};
template <typename T> class label_field_slider : public widget, change_listener< slider<T> >, change_listener<field> {
filled_button fbtn;
label lbl;
field fld;
slider<T> sld;
val_handler<T>& vhan;
void advance_right (int& x, widget& w) {
static const int XSPACING = 10;
const box<int>& e = w.get_extents ();
x += (e.width + XSPACING);
}
public:
label_field_slider (int x, int y, const std::string& t, int wf, int ws, int hs, val_handler<T>& vh) : lbl (t), fld (wf), sld (ws, hs), vhan (vh) {
set_pos (x, y);
sld.add_listener (this);
fld.set_listener (this);
add_child (&lbl);
lbl.add_child (&fbtn);
lbl.add_child (&fld);
lbl.add_child (&sld);
lbl.set_moveable (1);
}
void update () {
lbl.update ();
fld.update ();
int x, y; get_pos (x, y); set_pos (x, y);
}
void set_pos (int x, int y) {
widget::set_pos (x, y);
fbtn.set_pos (x, y + fnt.lift);
advance_right (x, fbtn);
lbl.set_pos (x, y);
advance_right (x, lbl);
sld.set_pos (x, y);
advance_right (x, sld);
fld.set_pos (x, y);
}
void update_pos () {
int x1, y1; fbtn.get_pos (x1, y1);
int x2, y2; lbl.get_pos (x2, y2);
widget::set_pos (x1, y2);
}
void save (std::ofstream& file) {
int x, y; get_pos (x, y);
file << get_name () << ' ' << x << ' ' << y << std::endl;
}
int handle_input () {
int t = fbtn.handle_input ();
int l = lbl.handle_input ();
if (l) update_pos ();
t |= l;
t |= fld.handle_input ();
t |= sld.handle_input ();
return t;
}
void draw () {
fbtn.draw ();
lbl.draw ();
fld.draw ();
sld.draw ();
}
void changed (slider<T>& s) {
T v = s.get_val ();
fld.set_text (v);
vhan (v);
}
void changed (field& f) {
T val = f;
sld.set_val (val);
vhan (sld.get_val ());
}
void set_color (float r, float g, float b) {
fbtn.set_color (r, g, b);
lbl.set_color (r, g, b);
fld.set_color (r, g, b);
sld.set_color (r, g, b);
}
const color& get_color () const {return fbtn.get_color ();}
void set_limits (T lo, T hi) {
sld.set_limits (lo, hi);
}
void get_limits (T& lo, T& hi) {
sld.get_limits (lo, hi);
}
void set_val (const T& t) {
sld.set_val (t);
}
void set_button_listener (click_listener* l) {
fbtn.set_listener (l);
}
const std::string& get_text () const {return lbl.get_text();}
};
#endif
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