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//
// "$Id$"
//
// A simple demo of drag+drop with FLTK.
// Originally from erco's cheat sheet, permission by author.
// Inspired by Michael Sephton's original example posted on fltk.general.
//
// When you run the program, just drag the red square over
// to the green square to show a 'drag and drop' sequence.
//
// 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 <FL/Fl.H>
#include <FL/Fl_Window.H>
#include <FL/Fl_Box.H>
// SIMPLE SENDER CLASS
class Sender : public Fl_Box {
public:
// Ctor
Sender(int x,int y,int w,int h) : Fl_Box(x,y,w,h) {
box(FL_FLAT_BOX);
color(9);
label("Drag\nfrom\nhere..");
}
// Sender event handler
int handle(int event) {
int ret = Fl_Box::handle(event);
switch ( event ) {
case FL_PUSH: { // do 'copy/dnd' when someone clicks on box
const char *msg = "It works!";
Fl::copy(msg,strlen(msg),0);
Fl::dnd();
ret = 1;
break;
}
}
return(ret);
}
};
// SIMPLE RECEIVER CLASS
class Receiver : public Fl_Box {
public:
// Ctor
Receiver(int x,int y,int w,int h) : Fl_Box(x,y,w,h) {
box(FL_FLAT_BOX); color(10); label("..to\nhere");
}
// Receiver event handler
int handle(int event) {
int ret = Fl_Box::handle(event);
switch ( event ) {
case FL_DND_ENTER: // return(1) for these events to 'accept' dnd
case FL_DND_DRAG:
case FL_DND_RELEASE:
ret = 1;
break;
case FL_PASTE: // handle actual drop (paste) operation
label(Fl::event_text());
fprintf(stderr, "Pasted '%s'\n", Fl::event_text());
ret = 1;
break;
}
return(ret);
}
};
int main(int argc, char **argv) {
// Create sender window and widget
Fl_Window win_a(0,0,200,100,"Sender");
Sender a(0,0,100,100);
win_a.end();
win_a.show();
// Create receiver window and widget
Fl_Window win_b(400,0,200,100,"Receiver");
Receiver b(100,0,100,100);
win_b.end();
win_b.show();
return(Fl::run());
}
//
// End of "$Id$".
//
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