DevConsole: New PyXRes class and XServer interface (similar to xrestop)

services/console/interface/xserver/Makefile.am

@@ -0,0 +1,4 @@
+sugardir = $(pkgdatadir)/services/console/interface/xserver
+sugar_PYTHON =				\
+	__init__.py			\
+	xserver.py			

services/console/interface/xserver/__init__.py

@@ -0,0 +1 @@
+from xserver import Interface

services/console/interface/xserver/xserver.py

@@ -0,0 +1,111 @@
+# Copyright (C) 2007, Eduardo Silva <edsiper@gmail.com>
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the
+# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+
+import gobject
+from pyxres import XRes
+from ui.treeview import TreeView
+
+class XorgView(TreeView):
+    def __init__(self):
+        col_names = []
+        col_names.append({'index': 0, 'name': 'PID'})
+        col_names.append({'index': 1, 'name': 'Resource Base'})
+        col_names.append({'index': 2, 'name': 'Pixmap Bytes'})
+        col_names.append({'index': 3, 'name': 'Other'})
+        col_names.append({'index': 4, 'name': 'Total'})
+        col_names.append({'index': 5, 'name': 'Window Name'})
+
+        self._window_iter = []
+
+        cols_type = [str, str, str, str, str, str]
+        TreeView.__init__(self, cols_type, col_names)
+
+        self._xres = XRes()
+        self._display = self._xres.open_display()
+        self.show_all()
+        gobject.timeout_add(1500, self._update_data)
+
+    def _nice_bytes(self, bytes):
+        prefix = "B"
+        value = bytes
+
+        if bytes/1024:
+            prefix = "K"
+            value = (bytes/1024)
+
+        return "%s%s" % (value, prefix)
+
+    def _update_data(self):
+        windows = self._xres.get_windows(self._display)
+        print windows
+        for w in windows:
+            row = []
+            row.append({'index':0, 'info': w.pid})
+
+            bytes = self._nice_bytes(w.pixmap_bytes)
+            obytes = self._nice_bytes(w.other_bytes)
+            tbytes = self._nice_bytes(w.pixmap_bytes+w.other_bytes)
+            
+            row.append({'index':1, 'info': hex(w.resource_base)})
+            row.append({'index':2, 'info': bytes})
+            row.append({'index':3, 'info': obytes})
+            row.append({'index':4, 'info': tbytes})
+            row.append({'index':5, 'info': w.wm_name})
+
+            iter = self._get_window_iter(w.pid)
+            if not iter:
+                iter = self.add_row(row)
+                self._set_window_iter(iter, w.pid)
+            else:
+                self.update_row(iter, row)
+
+        self._clear_down_windows(windows)
+        return True
+
+    def _set_window_iter(self, iter, pid):
+        self._window_iter.append([iter, pid])
+
+    def _remove_iface_iter(self, search_iter):
+        i = 0
+        for [iter, pid] in self._window_iter:
+            if iter == search_iter:
+                del self._window_iter[i]
+                return
+            i+=1
+
+    def _get_window_iter(self, wpid):
+        for [iter, pid] in self._window_iter:
+            if wpid == pid:
+                return iter
+
+        return None
+
+    def _clear_down_windows(self, windows):
+        for [iter, pid] in self._window_iter:
+            found = False
+            for w in windows:
+                if w.pid == pid:
+                    found = True
+                    break
+
+            if not found:
+                self.remove_row(iter)
+                self._remove_window_iter(iter)
+
+class Interface(object):
+    def __init__(self):
+        self.widget = XorgView()