Added Window class.

example.py

@@ -1,8 +1,13 @@
 from py_xdotool import *
 from time import sleep
 
+print getactivewindow()
+print search(name="System Monitor")
+print search(name="System Monitor", onlyvisible=True)[0].get_name()
+'''
 mousemove(0, 0)
 sleep(1)
 click_at(100, 100, 3)
 sleep(1)
 click_at(500, 100, 1)
+'''

py_xdotool.py

@@ -1,5 +1,57 @@
 from subprocess import Popen, PIPE
 
+class Window:
+    def __init__(self, wid):
+        assert type(wid) == int
+        self.wid = wid
+        
+    def get_wid(self):
+        return self.wid
+    
+    def get_pid(self):
+        c = "getwindowpid %d" % self.wid
+        return int(run_command(c))
+    
+    def get_name(self):
+        c = "getwindowname %d" % self.wid
+        return run_command(c)
+        
+    def activate(self):
+        c = "windowactivate %d" % self.wid
+        return run_command(c)
+        
+    def focus(self):
+        c = "windowfocus %d" % self.wid
+        return run_command(c)
+
+def getactivewindow():
+    c = "getactivewindow"
+    wid = int(run_command(c))
+    return Window(wid)
+    
+def get_windows(wids):
+    windows = []
+    for wid in wids:
+        windows.append(Window(wid))
+    return windows
+
+def search(**kwargs):
+    c = "search"
+    noargs = ["onlyvisible", "class", "classname", "all", "any", "sync"]
+    for arg in noargs:
+        if arg in kwargs:
+            if kwargs[arg]:
+                c += " --%s" % arg
+    if "name" in kwargs:
+        c += ' --name "%s"' % kwargs['name']
+    if "pid" in kwargs:
+        c += " --pid %s" % kwargs['pid']
+    str_wids = run_command(c).split()
+    wids = []
+    for str_wid in str_wids:
+        wids.append(int(str_wid))
+    return get_windows(wids)
+
 def mousemove(x, y):
     c = "mousemove %d %d" % (x, y)
     return run_command(c)