Add Terminal attributes example

examples/terminal-attributes.php

@@ -0,0 +1,58 @@
+<?php
+
+use Aspectus\Terminal\Event\InputEvent;
+use Aspectus\Terminal\Xterm;
+use Revolt\EventLoop;
+
+require \dirname(__DIR__) . '/vendor/autoload.php';
+
+// setup stty
+exec('stty -echo -icanon min 1 time 0 < /dev/tty');
+
+$xterm = new Xterm();
+
+$primary = $xterm->requestPrimaryDeviceAttributes();
+$secondary = $xterm->requestSecondaryDeviceAttributes();
+
+$xterm->subscribe(
+    InputEvent::class,
+    function () use ($xterm) {
+        $xterm
+            ->showCursor()
+            ->setPrivateModeRestoreCursorAndEnterNormalScreenBuffer()
+            ->flush();
+
+        exit();
+    }
+);
+
+
+$xterm
+    // boot
+    ->setPrivateModeSaveCursorAndEnterAlternateScreenBuffer()
+    ->hideCursor()
+    // set colors
+    ->bgBlue()
+    ->brightYellow()
+    ->eraseAll()
+    // Primary DA
+    ->moveCursorTo(2, 2)
+    ->write("Terminal ID ..... : $primary->terminalId")
+    ->moveCursorTo(3, 2)
+    ->write("Capabilities .... : " . implode(' ', $primary->capabilities))
+    // Secondary DA
+    ->moveCursorTo(6, 2)
+    ->write("Type ............ : $secondary->type")
+    ->moveCursorTo(8, 2)
+    ->write("Version ......... : $secondary->version")
+    ->moveCursorTo(10, 2)
+    ->write("Cartridge Reg. .. : $secondary->cartridgeRegistration")
+    //
+    ->moveCursorTo(15, 10)
+    ->blink()
+    ->write("Press any key to exit")
+    ->normal()
+    ->flush()
+;
+
+EventLoop::run();