Window creation

From Rosetta Code
Task
Window creation
You are encouraged to solve this task according to the task description, using any language you may know.

C

Standard: ANSI C (AKA C89):

Compiler: GCC 4.0.3

Library: SDL

Compile Command: gcc -lSDL SDL_Window.c -o window

/*
 *   Opens an 800x600 16bit color window. 
 *   Done here with ANSI C.
 */

#include <stdio.h>
#include <stdlib.h>
#include "SDL/SDL.h"

main(){

SDL_Surface *screen;

if (SDL_Init(SDL_INIT_VIDEO) != 0) {
  fprintf(stderr, "Unable to initialize SDL: %s\n", SDL_GetError());
  return(1);
}
atexit(SDL_Quit);
screen = SDL_SetVideoMode( 800, 600, 16, SDL_SWSURFACE | SDL_HWPALETTE );
}

C

Qt 4

Compiler command: qmake -pro; qmake

#include <QApplication>
#include <QMainWindow>

int main(int argc, char *argv[])
{
 QApplication app(argc, argv);
 QMainWindow window;
 window.show();
 return app.exec();
}

Gtk

Compiler command: g filename.cc -o test `pkg-config --cflags --libs gtkmm-2.4`

#include <iostream>
#include <gtkmm.h>

int
main( int argc, char* argv[] )
{
 try
 {
  Gtk::Main m( argc, argv ) ;
  Gtk::Window win ;
  m.run( win ) ;
 }
 
 catch( std::exception const