Untitled

#include <stdio.h>
#include <X11/Xlib.h>

#define WINDOW_COUNT 2

void draw_header_bar(Display *display, Window window, GC gc, const char *title) {
    XDrawRectangle(display, window, gc, 0, 0, 799, 30);
    XDrawString(display, window, gc, 10, 20, title, strlen(title));
}

int main() {
    Display *display;
    Window windows[WINDOW_COUNT];
    XEvent event;
    int screen;

    display = XOpenDisplay(NULL);
    if (display == NULL) {
        fprintf(stderr, "Erro ao abrir o display.\n");
        return 1;
    }

    screen = DefaultScreen(display);

    // Criar várias janelas simples
    for (int i = 0; i < WINDOW_COUNT; ++i) {
        windows[i] = XCreateSimpleWindow(display, RootWindow(display, screen),
                                         10 + i * 50, 10 + i * 50, 800, 600, 1,
                                         BlackPixel(display, screen), WhitePixel(display, screen));
        XSelectInput(display, windows[i], ExposureMask | KeyPressMask);
        XMapWindow(display, windows[i]);
    }

    GC gc = XCreateGC(display, windows[0], 0, NULL);

    while (1) {
        XNextEvent(display, &event);

        for (int i = 0; i < WINDOW_COUNT; ++i) {
            if (event.xany.window == windows[i]) {
                if (event.type == Expose) {
                    char title[32];
                    snprintf(title, sizeof(title), "Janela %d", i + 1);
                    draw_header_bar(display, windows[i], gc, title);
                } else if (event.type == KeyPress) {
                    KeySym key = XLookupKeysym(&event.xkey, 0);
                    if (key == 'q') {
                        XCloseDisplay(display);
                        return 0;
                    }
                }
            }
        }
    }

    return 0;
}