From 324a9b549da3053efaad51f8e110d4b139795232 Mon Sep 17 00:00:00 2001
From: Simon Schampijer <simon@schampijer.de>
Date: Sun, 17 Feb 2008 12:40:14 +0000
Subject: Fix #4856 and cleanup of the alert code

---
(limited to 'sugar/graphics')

diff --git a/sugar/graphics/alert.py b/sugar/graphics/alert.py
index 7a3183b..cab3c3b 100644
--- a/sugar/graphics/alert.py
+++ b/sugar/graphics/alert.py
@@ -27,7 +27,7 @@ from sugar.graphics.icon import Icon
 
 _ = lambda msg: gettext.dgettext('sugar', msg)
 
-class Alert(gtk.EventBox, gobject.GObject):
+class Alert(gtk.EventBox):
     """UI interface for Alerts
 
     Alerts are used inside the activity window instead of being a
@@ -60,42 +60,43 @@ class Alert(gtk.EventBox, gobject.GObject):
         }
 
     def __init__(self, **kwargs):
-        gobject.GObject.__init__(self)
-
-        self.set_visible_window(True)
-        self._hbox = gtk.HBox()
-        self._hbox.set_border_width(style.DEFAULT_SPACING)
-        self._hbox.set_spacing(style.DEFAULT_SPACING)
-        self.add(self._hbox)
 
         self._title = None
         self._msg = None
         self._icon = None
         self._buttons = {}
-        
+
+        self._hbox = gtk.HBox()
+        self._hbox.set_border_width(style.DEFAULT_SPACING)
+        self._hbox.set_spacing(style.DEFAULT_SPACING)
+
         self._msg_box = gtk.VBox()
         self._title_label = gtk.Label()
         self._title_label.set_alignment(0, 0.5)
         self._msg_box.pack_start(self._title_label, False)
-        self._title_label.show()
 
         self._msg_label = gtk.Label()
         self._msg_label.set_alignment(0, 0.5)
         self._msg_box.pack_start(self._msg_label, False)
         self._hbox.pack_start(self._msg_box, False)
-        self._msg_label.show()
         
         self._buttons_box = gtk.HButtonBox()
         self._buttons_box.set_layout(gtk.BUTTONBOX_END)
         self._buttons_box.set_spacing(style.DEFAULT_SPACING)
         self._hbox.pack_start(self._buttons_box)
-        self._buttons_box.show()
+        
+        gtk.EventBox.__init__(self, **kwargs)        
 
+        self.set_visible_window(True)        
+        self.add(self._hbox)        
+        self._title_label.show()
+        self._msg_label.show()
+        self._buttons_box.show()
         self._msg_box.show()
         self._hbox.show()
         self.show()
-
-    def do_set_property(self, pspec, value):
+        
+    def do_set_property(self, pspec, value):        
         if pspec.name == 'title':
             if self._title != value:
                 self._title = value
@@ -139,17 +140,17 @@ class Alert(gtk.EventBox, gobject.GObject):
         return button
 
     def remove_button(self, response_id):
-        """Remove a button from the alert by the given button id"""
-        self._buttons_box.remove(self._buttons[id])
+        """Remove a button from the alert by the given response id"""
+        self._buttons_box.remove(self._buttons[response_id])
 
-    def _response(self, id):
+    def _response(self, response_id):
         """Emitting response when we have a result
 
         A result can be that a user has clicked a button or
         a timeout has occured, the id identifies the button
         that has been clicked and -1 for a timeout
         """
-        self.emit('response', id)
+        self.emit('response', response_id)
 
     def __button_clicked_cb(self, button, response_id):
         self._response(response_id)
@@ -162,15 +163,16 @@ class ConfirmationAlert(Alert):
         Alert.__init__(self, **kwargs)
 
         icon = Icon(icon_name='dialog-cancel')
-        cancel_button = self.add_button(gtk.RESPONSE_CANCEL, _('Cancel'), icon)
+        self.add_button(gtk.RESPONSE_CANCEL, _('Cancel'), icon)
         icon.show()
 
         icon = Icon(icon_name='dialog-ok')
-        ok_button = self.add_button(gtk.RESPONSE_OK, _('Ok'), icon)
+        self.add_button(gtk.RESPONSE_OK, _('Ok'), icon)
         icon.show()
 
 
 class _TimeoutIcon(hippo.CanvasText, hippo.CanvasItem):
+    """An icon with a round border"""
     __gtype_name__ = 'AlertTimeoutIcon'
 
     def __init__(self, **kwargs):
@@ -183,12 +185,12 @@ class _TimeoutIcon(hippo.CanvasText, hippo.CanvasItem):
     def do_paint_background(self, cr, damaged_box):
         [width, height] = self.get_allocation()
         
-        x = width * 0.5
-        y = height * 0.5
+        xval = width * 0.5
+        yval = height * 0.5
         radius = min(width * 0.5, height * 0.5)         
         
         hippo.cairo_set_source_rgba32(cr, self.props.background_color)
-        cr.arc(x, y, radius, 0, 2*math.pi)        
+        cr.arc(xval, yval, radius, 0, 2*math.pi)        
         cr.fill_preserve()    
 
 
@@ -204,7 +206,7 @@ class TimeoutAlert(Alert):
         self._timeout = timeout
         
         icon = Icon(icon_name='dialog-cancel')
-        cancel_button = self.add_button(gtk.RESPONSE_CANCEL, _('Cancel'), icon)
+        self.add_button(gtk.RESPONSE_CANCEL, _('Cancel'), icon)
         icon.show()
         
         self._timeout_text = _TimeoutIcon(
@@ -242,7 +244,7 @@ class NotifyAlert(Alert):
         canvas = hippo.Canvas()
         canvas.set_root(self._timeout_text)
         canvas.show()
-        self.add_button(gtk.RESPONSE_OK, _('OK'), canvas)
+        self.add_button(gtk.RESPONSE_OK, _('Ok'), canvas)
 
         gobject.timeout_add(1000, self.__timeout)
 
--
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