Add headless Agentbox environment spike

Co-authored-by: codegirl007 <codegirl-007@users.noreply.github.com>
2026-08-17 16:36:55 +00:00
parent 98f56833a0
commit 96dade334d
9 changed files with 841 additions and 0 deletions
@@ -0,0 +1,136 @@
+#define _POSIX_C_SOURCE 199309L
+
+#include <X11/Xlib.h>
+#include <X11/keysym.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+enum {
+    WINDOW_WIDTH = 640,
+    WINDOW_HEIGHT = 480,
+    SQUARE_SIZE = 50,
+};
+
+static double monotonic_seconds(void) {
+    struct timespec now;
+    if (clock_gettime(CLOCK_MONOTONIC, &now) != 0) {
+        perror("clock_gettime");
+        exit(1);
+    }
+    return (double)now.tv_sec + (double)now.tv_nsec / 1000000000.0;
+}
+
+static void set_key_state(KeySym key, bool down, bool *left, bool *right,
+                          bool *up, bool *down_key) {
+    switch (key) {
+    case XK_Left:
+        *left = down;
+        break;
+    case XK_Right:
+        *right = down;
+        break;
+    case XK_Up:
+        *up = down;
+        break;
+    case XK_Down:
+        *down_key = down;
+        break;
+    default:
+        break;
+    }
+}
+
+int main(void) {
+    setvbuf(stdout, NULL, _IOLBF, 0);
+
+    Display *display = XOpenDisplay(NULL);
+    if (display == NULL) {
+        fputs("unable to open X display\n", stderr);
+        return 1;
+    }
+
+    int screen = DefaultScreen(display);
+    Window window = XCreateSimpleWindow(
+        display, RootWindow(display, screen), 0, 0, WINDOW_WIDTH, WINDOW_HEIGHT,
+        0, BlackPixel(display, screen), BlackPixel(display, screen));
+    XStoreName(display, window, "Agentbox Mover");
+    XSelectInput(display, window,
+                 ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask);
+    XMapWindow(display, window);
+
+    GC gc = XCreateGC(display, window, 0, NULL);
+    Colormap colors = DefaultColormap(display, screen);
+    XColor green;
+    XColor red;
+    if (!XParseColor(display, colors, "#00ff66", &green) ||
+        !XAllocColor(display, colors, &green) ||
+        !XParseColor(display, colors, "#ff3355", &red) ||
+        !XAllocColor(display, colors, &red)) {
+        fputs("unable to allocate colors\n", stderr);
+        XCloseDisplay(display);
+        return 1;
+    }
+
+    double x = (WINDOW_WIDTH - SQUARE_SIZE) / 2.0;
+    double y = (WINDOW_HEIGHT - SQUARE_SIZE) / 2.0;
+    bool left = false;
+    bool right = false;
+    bool up = false;
+    bool down = false;
+    bool marker_visible = false;
+    int marker_x = 0;
+    int marker_y = 0;
+    double previous = monotonic_seconds();
+
+    printf("mover started at x=%.1f y=%.1f\n", x, y);
+
+    for (;;) {
+        while (XPending(display) > 0) {
+            XEvent event;
+            XNextEvent(display, &event);
+            if (event.type == KeyPress || event.type == KeyRelease) {
+                set_key_state(XLookupKeysym(&event.xkey, 0),
+                              event.type == KeyPress, &left, &right, &up, &down);
+            } else if (event.type == ButtonPress) {
+                marker_visible = true;
+                marker_x = event.xbutton.x;
+                marker_y = event.xbutton.y;
+                printf("mouse click at x=%d y=%d\n", marker_x, marker_y);
+            }
+        }
+
+        double now = monotonic_seconds();
+        double delta = now - previous;
+        previous = now;
+        const double speed = 180.0;
+        x += ((right ? 1.0 : 0.0) - (left ? 1.0 : 0.0)) * speed * delta;
+        y += ((down ? 1.0 : 0.0) - (up ? 1.0 : 0.0)) * speed * delta;
+
+        if (x < 0.0) {
+            x = 0.0;
+        } else if (x > WINDOW_WIDTH - SQUARE_SIZE) {
+            x = WINDOW_WIDTH - SQUARE_SIZE;
+        }
+        if (y < 0.0) {
+            y = 0.0;
+        } else if (y > WINDOW_HEIGHT - SQUARE_SIZE) {
+            y = WINDOW_HEIGHT - SQUARE_SIZE;
+        }
+
+        XClearWindow(display, window);
+        XSetForeground(display, gc, green.pixel);
+        XFillRectangle(display, window, gc, (int)x, (int)y, SQUARE_SIZE,
+                       SQUARE_SIZE);
+        if (marker_visible) {
+            XSetForeground(display, gc, red.pixel);
+            XFillRectangle(display, window, gc, marker_x - 4, marker_y - 4, 9,
+                           9);
+        }
+        XFlush(display);
+
+        struct timespec frame = {.tv_sec = 0, .tv_nsec = 16000000};
+        nanosleep(&frame, NULL);
+    }
+}