fltk/test/navigation.cxx
Greg Ercolano 4f4a8fc3c7 Modifications to all LGPL headers for STR #2685.
(to clarify static exception LGPL by changing license references)



git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@8864 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2011-07-19 04:49:30 +00:00

75 lines
2.4 KiB
C++

//
// "$Id$"
//
// Navigation test program for the Fast Light Tool Kit (FLTK).
//
// Silly test of navigation keys. This is not a recommended method of
// laying out your panels!
//
// 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 <stdio.h>
#include <stdlib.h>
#include <FL/Fl.H>
#include <FL/Fl_Window.H>
#include <FL/Fl_Input.H>
#include <FL/Fl_Light_Button.H>
#define WIDTH 600
#define HEIGHT 300
#define GRID 25
void ToggleArrowFocus_CB(Fl_Widget *w, void*) {
Fl_Light_Button *b = (Fl_Light_Button*)w;
Fl::option(Fl::OPTION_ARROW_FOCUS, b->value() ? true : false);
}
int main(int argc, char **argv) {
if (argc > 1) srand(atoi(argv[1]));
Fl_Window window(WIDTH,HEIGHT+40,argv[0]);
// Include a toggle button to control arrow focus
Fl_Light_Button arrowfocus_butt(10,HEIGHT+10,130,20," Arrow Focus");
arrowfocus_butt.callback(ToggleArrowFocus_CB);
arrowfocus_butt.value(Fl::option(Fl::OPTION_ARROW_FOCUS) ? 1 : 0); // use default
arrowfocus_butt.tooltip("Control horizontal arrow key focus navigation behavior.\n"
"e.g. Fl::OPTION_ARROW_FOCUS");
window.end(); // don't auto-add children
for (int i = 0; i<10000; i++) {
// make up a random size of widget:
int x = rand()%(WIDTH/GRID+1) * GRID;
int y = rand()%(HEIGHT/GRID+1) * GRID;
int w = rand()%(WIDTH/GRID+1) * GRID;
if (w < x) {w = x-w; x-=w;} else {w = w-x;}
int h = rand()%(HEIGHT/GRID+1) * GRID;
if (h < y) {h = y-h; y-=h;} else {h = h-y;}
if (w < GRID || h < GRID || w < h) continue;
// find where to insert it and see if it intersects something:
Fl_Widget *j = 0;
int n; for (n=0; n < window.children(); n++) {
Fl_Widget *o = window.child(n);
if (x<o->x()+o->w() && x+w>o->x() &&
y<o->y()+o->h() && y+h>o->y()) break;
if ( !j && ( y<o->y() || (y==o->y() && x<o->x()) ) ) j = o;
}
// skip if intersection:
if (n < window.children()) continue;
window.insert(*(new Fl_Input(x,y,w,h)),j);
}
window.show(argc, argv);
return Fl::run();
}
//
// End of "$Id$".
//