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/*
* XPP - The X Printing Panel
* --------------------------
*
* Implementation 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
*
*/
#include <FL/Fl.H>
#include <FL/fl_draw.H>
#include <math.h>
#include "inputslider.h"
Input_Slider::Input_Slider(int x,int y,int w,int h, const char*l)
: Fl_Group(x,y,w,h,l) {
// The default orientation of the slider is vertical, so set initial
// coordinates for a vertical slider
int sxx = x, syy = y, sww = w, shh = h;
int ixx = x, iyy = y, iww = w, ihh = h;
syy += 30; ihh = 25; shh -= 30;
// set up the input field
inputfield_ = new Fl_Value_Input(ixx,iyy,iww,ihh);
inputfield_->box(FL_DOWN_BOX);
inputfield_->textfont(FL_HELVETICA);
inputfield_->textsize(10);
inputfield_->textcolor(FL_BLACK);
inputfield_->cursor_color(FL_BLACK);
inputfield_->step(0); // Allow cut & paste for the entered value
inputfield_->soft(false); // True does not make sense in this
// combined input/slider widget
inputfield_->user_data((void *)this); // needed by callback
inputfield_->callback((Fl_Callback*)inputfield_cb);
// set up the slider
slider_ = new Fl_Slider(sxx,syy,sww,shh);
slider_->minimum(inputfield_->minimum()); // sync parameters of the two
slider_->maximum(inputfield_->maximum()); // fields
slider_->step(inputfield_->step());
slider_->value(inputfield_->value());
slider_->user_data((void *)this); // needed by callback
slider_->callback((Fl_Callback*)slider_cb);
resizable(slider_);
end();
}
inline void Input_Slider::slider_cbi(Fl_Slider* o, // From which widget
// we are called
void* v) // option to add
{
inputfield_->value(o->value());
inputfield_->redraw();
do_callback();
}
void Input_Slider::slider_cb(Fl_Slider* o, // From which widget
// we are called
void* v) // option to add
{
((Input_Slider*)(o->user_data()))->slider_cbi(o,v);
}
inline void Input_Slider::inputfield_cbi(Fl_Value_Input* o,
// From which widget
// we are called
void* v) // option to add
{
slider_->value(o->value());
slider_->redraw();
do_callback();
}
void Input_Slider::inputfield_cb(Fl_Value_Input* o, // From which widget
// we are called
void* v) // option to add
{
((Input_Slider*)(o->user_data()))->inputfield_cbi(o,v);
}
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