// // "$Id$" // // Double-buffered window header file for the Fast Light Tool Kit (FLTK). // // Copyright 1998-2009 by Bill Spitzak and others. // // This library is free software; you can redistribute it and/or // modify it under the terms of the GNU Library General Public // License as published by the Free Software Foundation; either // version 2 of the License, or (at your option) any later version. // // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // Library General Public License for more details. // // You should have received a copy of the GNU Library General Public // License along with this library; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 // USA. // // Please report all bugs and problems on the following page: // // http://www.fltk.org/str.php // /* \file Fl_Double_Window widget . */ #ifndef Fl_Double_Window_H #define Fl_Double_Window_H #include "Fl_Window.H" /** The Fl_Double_Window provides a double-buffered window. If possible this will use the X double buffering extension (Xdbe). If not, it will draw the window data into an off-screen pixmap, and then copy it to the on-screen window.
It is highly recommended that you put the following code before the first show() of any window in your program:
\code Fl::visual(FL_DOUBLE|FL_INDEX) \endcode This makes sure you can use Xdbe on servers where double buffering does not exist for every visual. */ class FL_EXPORT Fl_Double_Window : public Fl_Window { protected: void flush(int eraseoverlay); /** Force double buffering, even if the OS already buffers windows (overlays need that on MacOS and Windows2000) */ char force_doublebuffering_; public: void show(); void show(int a, char **b) {Fl_Window::show(a,b);} void flush(); void resize(int,int,int,int); void hide(); ~Fl_Double_Window(); /** Creates a new Fl_Double_Window widget using the given position, size, and label (title) string. */ Fl_Double_Window(int W, int H, const char *l = 0) : Fl_Window(W,H,l), force_doublebuffering_(0) { type(FL_DOUBLE_WINDOW); } /** See Fl_Double_Window::Fl_Double_Window(int w, int h, const char *label = 0) */ Fl_Double_Window(int X, int Y, int W, int H, const char *l = 0) : Fl_Window(X,Y,W,H,l), force_doublebuffering_(0) { type(FL_DOUBLE_WINDOW); } }; #endif // // End of "$Id$". //