[Pkg-sugar-commit] [sugar-toolkit] 01/04: Use 'focus-out' event instead of 'changed' event for title entry OLPC #10956, SL #2608

[Jonas Smedegaard]

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js pushed a commit to tag v0.92.3
in repository sugar-toolkit.

commit 746325106fb96fb9a4ad8fb45210dc1a60110ae8
Author: Simon Schampijer <simon at schampijer.de>
Date:   Mon Jun 20 17:48:51 2011 +0200

    Use 'focus-out' event instead of 'changed' event for title entry OLPC #10956, SL #2608
    
    To determine if the title has changed we use the 'focus-out'
    event now instead of the 'changed' signal of the gtk.Entry. This
    removes races we had before.
    
    Signed-off-by: Daniel Drake <dsd at laptop.org>
    Acked-By: Simon Schampijer <simon at laptop.org>
    Acked-By: Sascha Silbe <silbe at activitycentral.com>
---
 src/sugar/activity/activity.py |  5 +++++
 src/sugar/activity/widgets.py  | 28 ++++++++++++++++------------
 2 files changed, 21 insertions(+), 12 deletions(-)

diff --git a/src/sugar/activity/activity.py b/src/sugar/activity/activity.py
index 31827da..443799a 100644
--- a/src/sugar/activity/activity.py
+++ b/src/sugar/activity/activity.py
@@ -223,6 +223,9 @@ class Activity(Window, gtk.Container):
     __gsignals__ = {
         'shared': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
         'joined': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
+        # For internal use only, use can_close() if you want to perform extra
+        # checks before actually closing
+        '_closing': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
     }
 
     def __init__(self, handle, create_jobject=True):
@@ -863,6 +866,8 @@ class Activity(Window, gtk.Container):
         if not self.can_close():
             return
 
+        self.emit('_closing')
+
         if skip_save or self._jobject is None or \
                 self.metadata.get('title_set_by_user', '0') == '1':
             if not self._closing:
diff --git a/src/sugar/activity/widgets.py b/src/sugar/activity/widgets.py
index 7166d3e..e7a47cb 100644
--- a/src/sugar/activity/widgets.py
+++ b/src/sugar/activity/widgets.py
@@ -16,7 +16,6 @@
 # Boston, MA 02111-1307, USA.
 
 import gtk
-import gobject
 import gettext
 import gconf
 
@@ -186,32 +185,40 @@ class TitleEntry(gtk.ToolItem):
     def __init__(self, activity, **kwargs):
         gtk.ToolItem.__init__(self)
         self.set_expand(False)
-        self._update_title_sid = None
 
         self.entry = gtk.Entry(**kwargs)
         self.entry.set_size_request(int(gtk.gdk.screen_width() / 3), -1)
         self.entry.set_text(activity.metadata['title'])
-        self.entry.connect('changed', self.__title_changed_cb, activity)
+        self.entry.connect('focus-out-event', self.__title_changed_cb, activity)
         self.entry.show()
         self.add(self.entry)
 
         activity.metadata.connect('updated', self.__jobject_updated_cb)
+        activity.connect('_closing', self.__closing_cb)
 
     def modify_bg(self, state, color):
         gtk.ToolItem.modify_bg(self, state, color)
         self.entry.modify_bg(state, color)
 
     def __jobject_updated_cb(self, jobject):
+        if self.entry.flags() & gtk.HAS_FOCUS:
+            return
+        if self.entry.get_text() == jobject['title']:
+            return
         self.entry.set_text(jobject['title'])
 
-    def __title_changed_cb(self, entry, activity):
-        if self._update_title_sid is not None:
-            gobject.source_remove(self._update_title_sid)
-        self._update_title_sid = gobject.timeout_add_seconds(
-                1, self.__update_title_cb, activity)
+    def __closing_cb(self, activity):
+        self.save_title(activity)
+        return False
+
+    def __title_changed_cb(self, editable, event, activity):
+        self.save_title(activity)
+        return False
 
-    def __update_title_cb(self, activity):
+    def save_title(self, activity):
         title = self.entry.get_text()
+        if title == activity.metadata['title']:
+            return
 
         activity.metadata['title'] = title
         activity.metadata['title_set_by_user'] = '1'
@@ -221,9 +228,6 @@ class TitleEntry(gtk.ToolItem):
         if shared_activity is not None:
             shared_activity.props.name = title
 
-        self._update_title_sid = None
-        return False
-
 
 class ActivityToolbar(gtk.Toolbar):
     """The Activity toolbar with the Journal entry title, sharing,

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