Added alternate method to retrieve window geometry

examples/alt_geometry.php

@@ -0,0 +1,9 @@
+<?php
+
+require_once __DIR__."/../vendor/autoload.php";
+
+use NoccyLabs\X11\Window;
+
+$me = new Window();
+
+print_r($me->getWindowGeometry(true));

src/Window.php

@@ -99,14 +99,47 @@ class Window
         return false;
     }
 
-    public function getWindowGeometry()
+    /**
+     *
+     *
+     * @param bool $alternative If true, xwininfo will be used instead of xdotool
+     */
+    public function getWindowGeometry($alternative=false)
     {
+        if ($alternative==true) {
+            exec("LANG=C xwininfo -id {$this->windowId} -int", $output, $status);
+            foreach ($output as $line) {
+                if (preg_match('/Window id:\s+([0-9]+)/', $line, $m)) {
+                    $win_id = $m[1];
+                } elseif (preg_match('/Absolute upper-left ([XY]):\s+([0-9]+)/', $line, $m)) {
+                    if ($m[1] == 'X') {
+                        $win_x = $m[2];
+                    } else {
+                        $win_y = $m[2];
+                    }
+                } elseif (preg_match('/Width:\s+([0-9]+)/', $line, $m)) {
+                    $win_width = $m[1];
+                } elseif (preg_match('/Height:\s+([0-9]+)/', $line, $m)) {
+                    $win_height = $m[1];
+                }
+            }
+            // return WINDOW, X, Y, WIDTH, HEIGHT, SCREEN
+            $ret = [
+                'window' => $win_id,
+                'x' => $win_x,
+                'y' => $win_y,
+                'width' => $win_width,
+                'height' => $win_height,
+                'screen' => 0 // don't seem to get this from xwininfo
+            ];
+        } else {
             exec("xdotool getwindowgeometry --shell {$this->windowId}", $output, $status);
             $ret = [];
             foreach ($output as $line) {
                 list($k,$v) = explode("=",$line,2);
                 $ret[strtolower($k)]=$v;
             }
+        }
         return (object)$ret;
     }