GUI & Joystick Control

def poll_joystick(self):
    pygame.event.pump()  # Process pygame events
    
    # Check D-pad (hat 0)
    if self.joystick.get_numhats() > 0:
        hat = self.joystick.get_hat(0)
        # hat = (x, y) where x,y ∈ {-1, 0, 1}
        
        if hat[1] == 1:   # Up pressed
            new_state['up'] = True
        elif hat[1] == -1:  # Down pressed
            new_state['down'] = True
    
    # Fallback to analog sticks
    if self.joystick.get_numaxes() >= 2:
        axis_x = self.joystick.get_axis(0)
        axis_y = self.joystick.get_axis(1)
        
        if axis_y < -0.5:  # Up
            new_state['up'] = True
        elif axis_y > 0.5:  # Down
            new_state['down'] = True
    
    # Publish ROS2 command if state changed
    movement_command = 0
    if new_state['up']:
        movement_command = 1
    elif new_state['down']:
        movement_command = 2
    
    if movement_command != self.last_movement_command:
        self.ros_node.publish_movement_command(movement_command)
        self.last_movement_command = movement_command

sqlite3 gui/users.db "SELECT * FROM users;"

admin|admin|owner
user|user|user

sqlite3 gui/users.db <<EOF
INSERT INTO users (username, password, role) 
VALUES ('newuser', 'newpass', 'user');
EOF

sqlite3 gui/users.db <<EOF
UPDATE users 
SET password = 'new_secure_password' 
WHERE username = 'admin';
EOF

cd ~/workspace/source/gui
rm users.db

sqlite3 users.db <<EOF
CREATE TABLE users (
    username TEXT PRIMARY KEY,
    password TEXT NOT NULL,
    role TEXT NOT NULL
);

INSERT INTO users VALUES ('admin', 'admin', 'owner');
INSERT INTO users VALUES ('user', 'user', 'user');
EOF

self.camera_timer.start(100)  # Change from 100ms (10 Hz)

self.xy_buffer_size = 50  # Change to store more/fewer positions