////////////////////////////////////////////////////////////
/// Entry point of application
///
/// \return Error code
///
////////////////////////////////////////////////////////////
int main()
{
// Open a connection with the X server
Display* display = XOpenDisplay(NULL);
if (!display)
return EXIT_FAILURE;
// Get the default screen
int screen = DefaultScreen(display);
// Let's create the main window
XSetWindowAttributes attributes;
attributes.background_pixel = BlackPixel(display, screen);
attributes.event_mask = KeyPressMask;
Window window = XCreateWindow(display, RootWindow(display, screen),
0, 0, 650, 330, 0,
DefaultDepth(display, screen),
InputOutput,
DefaultVisual(display, screen),
CWBackPixel | CWEventMask, &attributes);
if (!window)
return EXIT_FAILURE;
// Set the window's name
XStoreName(display, window , "SFML Window");
// Let's create the windows which will serve as containers for our SFML views
Window view1 = XCreateWindow(display, window,
10, 10, 310, 310, 0,
DefaultDepth(display, screen),
InputOutput,
DefaultVisual(display, screen),
0, NULL);
Window view2 = XCreateWindow(display, window,
330, 10, 310, 310, 0,
DefaultDepth(display, screen),
InputOutput,
DefaultVisual(display, screen),
0, NULL);
// Show our windows
XMapWindow(display, window);
XFlush(display);
// Create our SFML views
sf::Window sfmlView1(view1);
sf::Window sfmlView2(view2);
// Create a clock for measuring elapsed time
sf::Clock clock;
// Initialize our views
initialize(sfmlView1);
initialize(sfmlView2);
// Start the event loop
bool running = true;
while (running)
{
while (XPending(display))
{
// Get the next pending event
XEvent event;
XNextEvent(display, &event);
// Process it
switch (event.type)
{
// Any key is pressed: quit
case KeyPress:
running = false;
break;
}
}
// Draw something into our views
draw(sfmlView1, clock.getElapsedTime().asSeconds());
draw(sfmlView2, clock.getElapsedTime().asSeconds() * 0.3f);
// Display the views on screen
sfmlView1.display();
sfmlView2.display();
}
// Close the display
XCloseDisplay(display);
return EXIT_SUCCESS;
}
////////////////////////////////////////////////////////////
/// Entry point of application
///
/// \return Error code
///
////////////////////////////////////////////////////////////
int main()
{
// Open a connection with the X server
Display* display = XOpenDisplay(NULL);
if (!display)
return EXIT_FAILURE;
// Get the XCB connection for the opened display.
xcb_connection_t* xcbConnection = XGetXCBConnection(display);
if (!xcbConnection)
{
sf::err() << "Failed to get the XCB connection for opened display." << std::endl;
return EXIT_FAILURE;
}
// Get XCB screen.
const xcb_setup_t* xcbSetup = xcb_get_setup(xcbConnection);
xcb_screen_iterator_t xcbScreenIter = xcb_setup_roots_iterator(xcbSetup);
xcb_screen_t* screen = xcbScreenIter.data;
if (!screen)
{
sf::err() << "Failed to get the XCB screen." << std::endl;
return EXIT_FAILURE;
}
// Generate the XCB window IDs.
xcb_window_t rootWindowId = xcb_generate_id(xcbConnection);
xcb_window_t view1WindowId = xcb_generate_id(xcbConnection);
xcb_window_t view2WindowId = xcb_generate_id(xcbConnection);
// Create the root window with a black background.
uint32_t mask = XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK;
uint32_t attributes[2] = {screen->black_pixel, XCB_EVENT_MASK_KEY_PRESS};
xcb_create_window(xcbConnection,
XCB_COPY_FROM_PARENT,
rootWindowId,
screen->root,
0, 0, 650, 330,
0,
XCB_WINDOW_CLASS_INPUT_OUTPUT,
screen->root_visual,
mask, attributes);
// Create windows for the SFML views.
xcb_create_window(xcbConnection,
XCB_COPY_FROM_PARENT,
view1WindowId,
rootWindowId,
10, 10, 310, 310,
0,
XCB_WINDOW_CLASS_INPUT_OUTPUT,
screen->root_visual,
mask, attributes);
xcb_create_window(xcbConnection,
XCB_COPY_FROM_PARENT,
view2WindowId,
rootWindowId,
330, 10, 310, 310,
0,
XCB_WINDOW_CLASS_INPUT_OUTPUT,
screen->root_visual,
mask, attributes);
// Map windows to screen.
xcb_map_window(xcbConnection, rootWindowId);
xcb_map_window(xcbConnection, view1WindowId);
xcb_map_window(xcbConnection, view2WindowId);
// Flush commands.
xcb_flush(xcbConnection);
// Create our SFML views
sf::Window sfmlView1(view1WindowId);
sf::Window sfmlView2(view2WindowId);
// Create a clock for measuring elapsed time
sf::Clock clock;
// Initialize our views
initialize(sfmlView1);
initialize(sfmlView2);
// Start the event loop
bool running = true;
xcb_generic_event_t* event = NULL;
while (running)
{
while ((event = xcb_poll_for_event(xcbConnection)))
{
running = false;
}
// Draw something into our views
draw(sfmlView1, clock.getElapsedTime().asSeconds());
draw(sfmlView2, clock.getElapsedTime().asSeconds() * 0.3f);
// Display the views on screen
sfmlView1.display();
sfmlView2.display();
}
return EXIT_SUCCESS;
}
