Add mac app agent and Terminal.app specific keybinds

mac-agent/com.user.kb-focus.plist

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+    <key>Label</key>
+    <string>com.user.kb-focus</string>
+    <key>ProgramArguments</key>
+    <array>
+        <string>/usr/bin/python3</string>
+        <string>kb-focus.py</string>
+    </array>
+    <key>WorkingDirectory</key>
+    <string>/Users/USER/keyboard/mac-agent</string>
+    <key>KeepAlive</key>
+    <true/>
+    <key>StandardOutPath</key>
+    <string>/tmp/kb-focus.stdout.log</string>
+    <key>StandardErrorPath</key>
+    <string>/tmp/kb-focus.stderr.log</string>
+</dict>
+</plist>

mac-agent/kb-focus.py

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+import signal, sys
+from AppKit import NSWorkspace
+from Foundation import NSRunLoop, NSDate
+import hid
+
+VID, PID = 0x3384, 0x0009
+USAGE_PAGE, USAGE = 0xFF60, 0x61
+CMD_SET_FOCUSED_APP = 0x80
+
+def find_keyboard_path():
+    for info in hid.enumerate(VID, PID):
+        if info["usage_page"] == USAGE_PAGE and info["usage"] == USAGE:
+            return info["path"]
+    return None
+
+def send_app_name(dev, name):
+    payload = name.encode("utf-8", errors="ignore")[:31]
+    payload = payload.decode("utf-8", errors="ignore").encode("utf-8")
+    data = bytes([0x00, CMD_SET_FOCUSED_APP]) + payload + b"\x00" * (32 - 1 - len(payload))
+    dev.write(data)
+    dev.read(32, timeout=1000)
+
+def main():
+    signal.signal(signal.SIGINT, lambda *_: sys.exit(0))
+    ws = NSWorkspace.sharedWorkspace()
+    dev = None
+    last_app = None
+
+    while True:
+        connected = find_keyboard_path() is not None
+
+        # Detect disconnect
+        if dev is not None and not connected:
+            print("Keyboard disconnected")
+            dev = None
+            last_app = None
+
+        # Connect and send current app
+        if dev is None and connected:
+            try:
+                dev = hid.Device(path=find_keyboard_path())
+                print("Keyboard connected")
+                last_app = ws.frontmostApplication().localizedName()
+                print(f"App: {last_app}")
+                send_app_name(dev, last_app)
+            except Exception:
+                dev = None
+
+        # App change
+        if dev is not None:
+            app = ws.frontmostApplication().localizedName()
+            if app != last_app:
+                print(f"App: {app}")
+                last_app = app
+                try:
+                    send_app_name(dev, app)
+                except Exception:
+                    print("Keyboard disconnected")
+                    dev = None
+                    last_app = None
+
+        NSRunLoop.currentRunLoop().runUntilDate_(
+            NSDate.dateWithTimeIntervalSinceNow_(0.25)
+        )
+
+if __name__ == "__main__":
+    main()

mac-agent/requirements.txt

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+pyobjc-framework-Cocoa
+hid