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//
// "$Id$"
//
// Double-buffered window code for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2018 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
//
/** \file
Fl_Double_Window implementation.
*/
#include <FL/Fl.H>
#include <FL/platform.H>
#include <FL/Fl_Double_Window.H>
#include <FL/fl_draw.H>
#include "Fl_Window_Driver.H"
// On systems that support double buffering "naturally" the base
// Fl_Window class will probably do double-buffer and this subclass
// does nothing.
Fl_Double_Window::Fl_Double_Window(int W, int H, const char *l)
: Fl_Window(W, H, l)
{
type(FL_DOUBLE_WINDOW);
}
Fl_Double_Window::Fl_Double_Window(int X, int Y, int W, int H, const char *l)
: Fl_Window(X,Y,W,H,l)
{
type(FL_DOUBLE_WINDOW);
}
void Fl_Double_Window::show() {
Fl_Window::show();
}
void Fl_Double_Window::resize(int X,int Y,int W,int H) {
int ow = w();
int oh = h();
Fl_Window::resize(X,Y,W,H);
Fl_X *myi = Fl_X::i(this);
if (myi && Fl_Window_Driver::driver(this)->other_xid && (ow < w() || oh < h() || is_a_rescale()))
Fl_Window_Driver::driver(this)->destroy_double_buffer();
}
void Fl_Double_Window::hide() {
Fl_X *myi = Fl_X::i(this);
if (myi && Fl_Window_Driver::driver(this)->other_xid) {
Fl_Window_Driver::driver(this)->destroy_double_buffer();
}
Fl_Window::hide();
}
void Fl_Double_Window::flush()
{
Fl_Window_Driver::driver(this)->flush_double();
}
/**
The destructor <I>also deletes all the children</I>. This allows a
whole tree to be deleted at once, without having to keep a pointer to
all the children in the user code.
*/
Fl_Double_Window::~Fl_Double_Window() {
hide();
}
//
// End of "$Id$".
//
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