computer control tools

crates/g3-computer-control/examples/test_window_capture.rs

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+use g3_computer_control::create_controller;
+
+#[tokio::main]
+async fn main() {
+    println!("Testing window-specific screenshot capture...");
+    
+    let controller = create_controller().expect("Failed to create controller");
+    
+    // Test 1: Capture iTerm2 window
+    println!("\n1. Capturing iTerm2 window...");
+    match controller.take_screenshot("/tmp/iterm_window.png", None, Some("iTerm2")).await {
+        Ok(_) => {
+            println!("   ✅ iTerm2 window captured to /tmp/iterm_window.png");
+            let _ = std::process::Command::new("open").arg("/tmp/iterm_window.png").spawn();
+        }
+        Err(e) => println!("   ❌ Failed: {}", e),
+    }
+    
+    // Wait a moment for the image to open
+    tokio::time::sleep(tokio::time::Duration::from_secs(2)).await;
+    
+    // Test 2: Full screen capture for comparison
+    println!("\n2. Capturing full screen for comparison...");
+    match controller.take_screenshot("/tmp/fullscreen.png", None, None).await {
+        Ok(_) => {
+            println!("   ✅ Full screen captured to /tmp/fullscreen.png");
+            let _ = std::process::Command::new("open").arg("/tmp/fullscreen.png").spawn();
+        }
+        Err(e) => println!("   ❌ Failed: {}", e),
+    }
+    
+    println!("\n=== Comparison ===");
+    println!("iTerm window:  /tmp/iterm_window.png (should show ONLY iTerm window)");
+    println!("Full screen:   /tmp/fullscreen.png (should show entire desktop)");
+    
+    // Show file sizes
+    if let Ok(meta1) = std::fs::metadata("/tmp/iterm_window.png") {
+        if let Ok(meta2) = std::fs::metadata("/tmp/fullscreen.png") {
+            println!("\nFile sizes:");
+            println!("  iTerm window: {:.1} MB", meta1.len() as f64 / 1_000_000.0);
+            println!("  Full screen:  {:.1} MB", meta2.len() as f64 / 1_000_000.0);
+            println!("\nWindow capture should be smaller than full screen.");
+        }
+    }
+}