#include "service/window.h" #include #include #include #include window_service_t::status_t window_service_t::create_window() { Display *d; Window w; XEvent e; const char *msg = "Hello, World!"; int s; d = XOpenDisplay(NULL); if (d == NULL) { return window_service_t::status_t::error; } s = DefaultScreen(d); w = XCreateSimpleWindow(d, RootWindow(d, s), 10, 10, 100, 100, 1, BlackPixel(d, s), WhitePixel(d, s)); XSelectInput(d, w, ExposureMask | KeyPressMask); XMapWindow(d, w); while (true) { XNextEvent(d, &e); if (e.type == Expose) { XFillRectangle(d, w, DefaultGC(d, s), 20, 20, 10, 10); XDrawString(d, w, DefaultGC(d, s), 10, 50, msg, strlen(msg)); } if (e.type == KeyPress) break; } XCloseDisplay(d); return window_service_t::status_t::ok; }