...actually adding the class...

terminatorlib/terminatoreditablelabel.py

@@ -0,0 +1,120 @@
+#!/usr/bin/env python
+# vim: tabstop=4 softtabstop=4 shiftwidth=4 expandtab
+#
+# Copyright (c) 2009, Emmanuel Bretelle <chantra@debuntu.org>
+#
+#    This program is free software; you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, version 2 only.
+#
+#    This program 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 General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with this program; if not, write to the Free Software
+#    Foundation, Inc., 51 Franklin Street, Fifth Floor
+#    , Boston, MA  02110-1301  USA
+
+# pylint: disable-msg=W0212
+''' Editable Label class'''
+import gtk
+
+class TerminatorEditableLabel( gtk.EventBox ):
+    '''
+    An eventbox that partialy emulate a gtk.Label
+    On double-click, the label is editable, entering an empty will revert back to automatic text
+    '''
+    _label = None
+    _ebox = None
+    _autotext = None
+    _custom = None
+    _entry = None
+    _entry_handler_id = []
+    def __init__(self, text = ""):
+        ''' Class initialiser'''
+        gtk.EventBox.__init__(self) 
+        self._label = gtk.Label(text)
+        self._custom = False
+        self.set_visible_window (False)
+        self.add (self._label)  
+        self.connect ("button-press-event", self._on_click_text)
+
+    def set_angle(self, angle ):
+        '''set angle of the label'''
+        self._label.set_angle( angle )
+ 
+    def set_text( self, text, force=False):
+        '''set the text of the label'''
+        self._autotext = text
+        if not self._custom or force:
+            self._label.set_text(text) 
+
+    def get_text( self ):
+        '''get the text from the label'''
+        return self._label.get_text()
+
+    def _on_click_text(self, widget, event):
+        '''event handling text edition'''
+        if event.type == gtk.gdk._2BUTTON_PRESS :
+            self.remove (self._label)
+            self._entry = gtk.Entry ()
+            self._entry.set_text (self._label.get_text ())
+            self._entry.show ()
+            self.add (self._entry)
+            sig = self._entry.connect ("focus-out-event", self._entry_to_label)
+            self._entry_handler_id.append(sig)
+            sig = self._entry.connect ("activate", self._on_entry_activated)
+            self._entry_handler_id.append(sig)
+            sig = self._entry.connect ("key-press-event",
+                                         self._on_entry_keypress)
+            self._entry_handler_id.append(sig)
+            self._entry.grab_focus ()
+            return True
+        # make pylint happy
+        if 1 or widget or event:
+            return False
+
+    def _entry_to_label (self, widget, event):
+        '''replace gtk.Entry by the gtk.Label'''
+        if self._entry and self._entry in self.get_children():
+            #disconnect signals to avoid segfault :s
+            for sig in self._entry_handler_id:
+                if self._entry.handler_is_connected(sig):
+                    self._entry.disconnect(sig)
+            self._entry_handler_id = []
+            self.remove (self._entry)
+            self.add (self._label)
+            self._entry = None
+            self.show_all ()
+            return True
+        #make pylint happy
+        if 1 or widget or event:
+            return False
+
+    def _on_entry_activated (self, widget):
+        '''get the text entered in gtk.Entry'''
+        entry = self._entry.get_text ()
+        label = self._label.get_text ()
+        if entry == '':
+            self._custom = False
+            self.set_text (self._autotext)
+        elif entry != label:
+            self._custom = True
+            self._label.set_text (entry)
+        self._entry_to_label (None, None)
+
+        # make pylint happy
+        if 1 or widget:
+            return
+
+    def _on_entry_keypress (self, widget, event):
+        '''handle keypressed in gtk.Entry'''
+        key = gtk.gdk.keyval_name (event.keyval)
+        if key == 'Escape':
+            self._entry_to_label (None, None)
+        # make pylint happy
+        if 1 or widget or event:
+            return
+