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/*
* XPP - The X Printing Panel
* --------------------------
*
* Definition of the "Input_Slider" class which is a widget to enter
* numerical values by both an input field and a slider.
*
* Copyright 2000 by Till Kamppeter
*
* 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
*
*/
#ifndef Input_Slider_H
#define Input_Slider_H
#include <FL/Fl_Group.H>
#include <FL/Fl_Slider.H>
#include <FL/Fl_Value_Input.H>
#include <FL/Fl_Valuator.H>
#include <stdio.h>
class Input_Slider : public Fl_Group {
Fl_Slider *slider_;
Fl_Value_Input *inputfield_;
public:
FL_EXPORT Input_Slider(int x,int y,int w,int h, const char *l = 0);
// values which have to be kept in sync in both the input field and
// the scroll bar
double minimum() const {return inputfield_->minimum();}
void minimum(double s) {
slider_->minimum(s);
inputfield_->minimum(s);
}
double maximum() const {return inputfield_->maximum();}
void maximum(double s) {
slider_->maximum(s);
inputfield_->maximum(s);
}
void range(double s, double t) {
slider_->range(s, t);
inputfield_->range(s, t);
}
double value() const {return inputfield_->value();}
void value(double s) {
slider_->value(inputfield_->clamp(s));
inputfield_->value(inputfield_->clamp(s));
}
// The step width is only applied to the input field
double step() const {return inputfield_->step();}
void step(double s) {
slider_->step(s);
}
void step(int a, int b) {
slider_->step(a, b);
}
void step(int s) {
slider_->step(s);
}
// Access to the "clamp" function of the input field
double clamp(double s) {return inputfield_->clamp(s);}
// Basic widget elements have to be set in both sub-widgets
void when(Fl_When s) {
Fl_Widget::when(s);
slider_->when(Fl_Widget::when());
inputfield_->when(Fl_Widget::when());
}
void box(Fl_Boxtype s) {
Fl_Widget::box(s);
slider_->box(Fl_Widget::box());
}
void input_box(Fl_Boxtype s) {
inputfield_->box(Fl_Widget::box());
}
void color(unsigned s) {
Fl_Widget::color(s);
slider_->color(Fl_Widget::color());
}
void input_color(Fl_Color s) {
inputfield_->color(Fl_Widget::color());
}
void selection_color(unsigned s) {
Fl_Widget::selection_color(s);
slider_->selection_color(Fl_Widget::selection_color());
}
void input_selection_color(unsigned s) {
inputfield_->selection_color(Fl_Widget::selection_color());
}
// Manipulate the parameters for the slider
int horizontal() const {return slider_->type()&1;}
double slider_size() const {return slider_->slider_size();}
void slider_size(double s) {slider_->slider_size(s);}
Fl_Boxtype slider() const {return slider_->slider();}
void slider(Fl_Boxtype s) {slider_->slider(s);}
uchar type() const {return slider_->type();}
void type(uchar s) {
slider_->type(s);
int sxx = x(), syy = y(), sww = w(), shh = h();
int ixx = x(), iyy = y(), iww = w(), ihh = h();
if (s&1) {
iww = 40; sxx += 45; sww -= 45;
} else {
syy += 30; ihh = 25; shh -= 30;
}
slider_->resize(sxx,syy,sww,shh);
inputfield_->resize(ixx,iyy,iww,ihh);
}
// Manipulate the parameters for the input field
Fl_Font textfont() const {return (Fl_Font)(inputfield_->textfont());}
void textfont(uchar s) {inputfield_->textfont(s);}
uchar textsize() const {return inputfield_->textsize();}
void textsize(uchar s) {inputfield_->textsize(s);}
Fl_Color textcolor() const {
return (Fl_Color)(inputfield_->textcolor());
}
void textcolor(uchar s) {inputfield_->textcolor(s);}
Fl_Color cursor_color() const {
return (Fl_Color)(inputfield_->cursor_color());
}
void cursor_color(uchar s) {inputfield_->cursor_color(s);}
private:
// callbacks to keep the input field and the slider in sync
inline void slider_cbi(Fl_Slider* o, void* v);
static void slider_cb(Fl_Slider* o, void* v);
inline void inputfield_cbi(Fl_Value_Input* o, void* v);
static void inputfield_cb(Fl_Value_Input* o, void* v);
};
#endif
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