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// Gmsh - Copyright (C) 1997-2021 C. Geuzaine, J.-F. Remacle
//
// See the LICENSE.txt file for license information. Please report all
// issues on https://gitlab.onelab.info/gmsh/gmsh/issues.
#include "inputValue.h"
#include <FL/Fl_Group.H>
#include <stdlib.h>
#include <FL/math.h>
void inputValueFloat::new_input_cb(Fl_Widget *, void *v)
{
inputValueFloat &t = *(inputValueFloat *)v;
double nv = strtod(t.input.value(), nullptr);
if(nv != t.value() || t.when() & FL_WHEN_NOT_CHANGED) {
t.set_value(nv);
t.set_changed();
if(t.when()) t.do_callback();
}
}
inputValueFloat::inputValueFloat(int x, int y, int w, int h, const char *l)
: inputValue(x, y, w, h, l)
{
input.type(FL_FLOAT_INPUT);
input.callback(new_input_cb, this);
}
int inputValueFloat::handle(int event)
{
double v;
int delta;
int mx = Fl::event_x_root();
static int ix, drag;
input.when(when());
switch(event) {
case FL_PUSH:
if(!step()) goto DEFAULT;
ix = mx;
drag = Fl::event_button();
handle_push();
return 1;
case FL_DRAG:
if(!step()) goto DEFAULT;
delta = mx - ix;
if(delta > 5)
delta -= 5;
else if(delta < -5)
delta += 5;
else
delta = 0;
switch(drag) {
case 3: v = increment(previous_value(), delta * 100); break;
case 2: v = increment(previous_value(), delta * 10); break;
default: v = increment(previous_value(), delta); break;
}
v = round(v);
handle_drag(soft() ? softclamp(v) : clamp(v));
;
return 1;
case FL_RELEASE:
if(!step()) goto DEFAULT;
if(value() != previous_value() || !Fl::event_is_click())
handle_release();
else {
Fl_Widget_Tracker wp(&input);
input.handle(FL_PUSH);
if(wp.exists()) input.handle(FL_RELEASE);
}
return 1;
case FL_FOCUS: return input.take_focus();
case FL_SHORTCUT: return input.handle(event);
default:
DEFAULT:
return input.handle(event);
}
}
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