ref: 6e68d605ee9903626b64221607a4577c2c92c6bc
dir: /DoConfig/fltk/src/Fl_Counter.cxx/
//
// "$Id$"
//
// Counter widget for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2010 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
// http://www.fltk.org/COPYING.php
//
// Please report all bugs and problems on the following page:
//
// http://www.fltk.org/str.php
//
#include <FL/Fl.H>
#include <FL/Fl_Counter.H>
#include <FL/Fl_Simple_Counter.H>
#include <FL/fl_draw.H>
void Fl_Counter::draw() {
int i; Fl_Boxtype boxtype[5];
Fl_Color selcolor;
boxtype[0] = box();
if (boxtype[0] == FL_UP_BOX) boxtype[0] = FL_DOWN_BOX;
if (boxtype[0] == FL_THIN_UP_BOX) boxtype[0] = FL_THIN_DOWN_BOX;
for (i=1; i<5; i++)
if (mouseobj == i)
boxtype[i] = fl_down(box());
else
boxtype[i] = box();
int xx[5], ww[5];
if (type() == FL_NORMAL_COUNTER) {
int W = w()*15/100;
xx[1] = x(); ww[1] = W;
xx[2] = x()+1*W; ww[2] = W;
xx[0] = x()+2*W; ww[0] = w()-4*W;
xx[3] = x()+w()-2*W; ww[3] = W;
xx[4] = x()+w()-1*W; ww[4] = W;
} else {
int W = w()*20/100;
xx[1] = 0; ww[1] = 0;
xx[2] = x(); ww[2] = W;
xx[0] = x()+W; ww[0] = w()-2*W;
xx[3] = x()+w()-1*W; ww[3] = W;
xx[4] = 0; ww[4] = 0;
}
draw_box(boxtype[0], xx[0], y(), ww[0], h(), FL_BACKGROUND2_COLOR);
fl_font(textfont(), textsize());
fl_color(active_r() ? textcolor() : fl_inactive(textcolor()));
char str[128]; format(str);
fl_draw(str, xx[0], y(), ww[0], h(), FL_ALIGN_CENTER);
if (Fl::focus() == this) draw_focus(boxtype[0], xx[0], y(), ww[0], h());
if (!(damage()&FL_DAMAGE_ALL)) return; // only need to redraw text
if (active_r())
selcolor = labelcolor();
else
selcolor = fl_inactive(labelcolor());
if (type() == FL_NORMAL_COUNTER) {
draw_box(boxtype[1], xx[1], y(), ww[1], h(), color());
fl_draw_symbol("@-4<<", xx[1], y(), ww[1], h(), selcolor);
}
draw_box(boxtype[2], xx[2], y(), ww[2], h(), color());
fl_draw_symbol("@-4<", xx[2], y(), ww[2], h(), selcolor);
draw_box(boxtype[3], xx[3], y(), ww[3], h(), color());
fl_draw_symbol("@-4>", xx[3], y(), ww[3], h(), selcolor);
if (type() == FL_NORMAL_COUNTER) {
draw_box(boxtype[4], xx[4], y(), ww[4], h(), color());
fl_draw_symbol("@-4>>", xx[4], y(), ww[4], h(), selcolor);
}
}
void Fl_Counter::increment_cb() {
if (!mouseobj) return;
double v = value();
switch (mouseobj) {
case 1: v -= lstep_; break;
case 2: v = increment(v, -1); break;
case 3: v = increment(v, 1); break;
case 4: v += lstep_; break;
}
handle_drag(clamp(round(v)));
}
#define INITIALREPEAT .5
#define REPEAT .1
void Fl_Counter::repeat_callback(void* v) {
Fl_Counter* b = (Fl_Counter*)v;
if (b->mouseobj) {
Fl::add_timeout(REPEAT, repeat_callback, b);
b->increment_cb();
}
}
int Fl_Counter::calc_mouseobj() {
if (type() == FL_NORMAL_COUNTER) {
int W = w()*15/100;
if (Fl::event_inside(x(), y(), W, h())) return 1;
if (Fl::event_inside(x()+W, y(), W, h())) return 2;
if (Fl::event_inside(x()+w()-2*W, y(), W, h())) return 3;
if (Fl::event_inside(x()+w()-W, y(), W, h())) return 4;
} else {
int W = w()*20/100;
if (Fl::event_inside(x(), y(), W, h())) return 2;
if (Fl::event_inside(x()+w()-W, y(), W, h())) return 3;
}
return -1;
}
int Fl_Counter::handle(int event) {
int i;
switch (event) {
case FL_RELEASE:
if (mouseobj) {
Fl::remove_timeout(repeat_callback, this);
mouseobj = 0;
redraw();
}
handle_release();
return 1;
case FL_PUSH:
if (Fl::visible_focus()) Fl::focus(this);
{ Fl_Widget_Tracker wp(this);
handle_push();
if (wp.deleted()) return 1;
}
case FL_DRAG:
i = calc_mouseobj();
if (i != mouseobj) {
Fl::remove_timeout(repeat_callback, this);
mouseobj = (uchar)i;
if (i) Fl::add_timeout(INITIALREPEAT, repeat_callback, this);
Fl_Widget_Tracker wp(this);
increment_cb();
if (wp.deleted()) return 1;
redraw();
}
return 1;
case FL_KEYBOARD :
switch (Fl::event_key()) {
case FL_Left:
handle_drag(clamp(increment(value(),-1)));
return 1;
case FL_Right:
handle_drag(clamp(increment(value(),1)));
return 1;
default:
return 0;
}
// break not required because of switch...
case FL_FOCUS : /* FALLTHROUGH */
case FL_UNFOCUS :
if (Fl::visible_focus()) {
redraw();
return 1;
} else return 0;
case FL_ENTER : /* FALLTHROUGH */
case FL_LEAVE :
return 1;
default:
return 0;
}
}
/**
Destroys the valuator.
*/
Fl_Counter::~Fl_Counter() {
Fl::remove_timeout(repeat_callback, this);
}
/**
Creates a new Fl_Counter widget using the given position, size, and label
string. The default type is FL_NORMAL_COUNTER.
\param[in] X, Y, W, H position and size of the widget
\param[in] L widget label, default is no label
*/
Fl_Counter::Fl_Counter(int X, int Y, int W, int H, const char* L)
: Fl_Valuator(X, Y, W, H, L) {
box(FL_UP_BOX);
selection_color(FL_INACTIVE_COLOR); // was FL_BLUE
align(FL_ALIGN_BOTTOM);
bounds(-1000000.0, 1000000.0);
Fl_Valuator::step(1, 10);
lstep_ = 1.0;
mouseobj = 0;
textfont_ = FL_HELVETICA;
textsize_ = FL_NORMAL_SIZE;
textcolor_ = FL_FOREGROUND_COLOR;
}
Fl_Simple_Counter::Fl_Simple_Counter(int X,int Y,int W,int H, const char *L)
: Fl_Counter(X,Y,W,H,L) {
type(FL_SIMPLE_COUNTER);
}
//
// End of "$Id$".
//