Viewing file:  ToolbarSearchEntry.py (6.77 KB) -rw-r--r--
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## This code was translated to python from the original C version in
## Rhythmbox. The original authors are:
## Copyright (C) 2002 Jorn Baayen <jorn@nl.linux.org>
## Copyright (C) 2003 Colin Walters <walters@verbum.org>
## Further modifications by:
## Copyright (C) 2008 Rui Matos <tiagomatos@gmail.com>
## Copyright (C) 2009 Red Hat, Inc.
## Author: Tim Waugh <twaugh@redhat.com>
## 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; either version 2 of the License, or
## (at your option) any later version.
## 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., 675 Mass Ave, Cambridge, MA 02139, USA.
import gobject
import gtk
import HIG
from gettext import gettext as _
class ToolbarSearchEntry (gtk.HBox):
__gproperties__ = {
'search_timeout' : (gobject.TYPE_UINT,
'search timeout',
'search signal rate limiter (in ms)',
0,
5000,
300,
gobject.PARAM_READWRITE)
}
__gsignals__ = {
'search' : (gobject.SIGNAL_RUN_LAST,
gobject.TYPE_NONE,
[ gobject.TYPE_STRING ]),
'activate' : (gobject.SIGNAL_RUN_LAST,
gobject.TYPE_NONE,
[])
}
def __init__ (self):
self.entry = None
self.timeout = 0
self.is_a11y_theme = False
self.search_timeout = 300
self.menu = None
gtk.HBox.__gobject_init__ (self)
self.set_spacing (HIG.PAD_NORMAL)
self.set_border_width (HIG.PAD_NORMAL)
settings = gtk.settings_get_for_screen (self.get_screen ())
theme = settings.get_property ('gtk-theme-name')
self.is_a11y_theme = theme == 'HighContrast' or theme == 'LowContrast'
label = gtk.Label ()
label.set_text_with_mnemonic (_("_Filter:"))
label.set_justify (gtk.JUSTIFY_RIGHT)
self.pack_start (label, False, True, 0)
self.entry = gtk.Entry()
if gtk.__dict__.has_key ('ENTRY_ICON_PRIMARY'):
# We have primary/secondary icon support.
self.entry.set_icon_from_stock (gtk.ENTRY_ICON_PRIMARY,
gtk.STOCK_FIND)
self.entry.set_icon_from_stock (gtk.ENTRY_ICON_SECONDARY,
gtk.STOCK_CLEAR)
self.entry.set_icon_sensitive (gtk.ENTRY_ICON_SECONDARY, False)
self.entry.set_icon_activatable (gtk.ENTRY_ICON_SECONDARY, False)
self.entry.connect ('icon-press', self.on_icon_press)
label.set_mnemonic_widget (self.entry)
self.pack_start (self.entry, True, True, 0)
self.entry.connect ('changed', self.on_changed)
self.entry.connect ('focus_out_event', self.on_focus_out_event)
self.entry.connect ('activate', self.on_activate)
def do_get_property (self, property):
if property.name == 'search_timeout':
return self.search_timeout
else:
raise AttributeError, 'unknown property %s' % property.name
def do_set_property (self, property, value):
if property.name == 'search_timeout':
self.search_timeout = value
else:
raise AttributeError, 'unknown property %s' % property.name
def clear (self):
if self.timeout != 0:
gobject.source_remove (self.timeout)
self.timeout = 0
self.entry.set_text ("")
def get_text (self):
return self.entry.get_text ()
def set_text (self, text):
self.entry.set_text (text)
def check_style (self):
if self.is_a11y_theme:
return
bg_colour = gtk.gdk.color_parse ('#f7f7be') # yellow-ish
fg_colour = gtk.gdk.color_parse ('#000000') # black
text = self.entry.get_text ()
if len (text) > 0:
self.entry.modify_text (gtk.STATE_NORMAL, fg_colour)
self.entry.modify_base (gtk.STATE_NORMAL, bg_colour)
else:
self.entry.modify_text (gtk.STATE_NORMAL, None)
self.entry.modify_base (gtk.STATE_NORMAL, None)
self.queue_draw ()
def on_changed (self, UNUSED):
self.check_style ()
if self.timeout != 0:
gobject.source_remove (self.timeout)
self.timeout = 0
# emit it now if we have no more text
has_text = self.entry.get_text_length () > 0
if has_text:
self.timeout = gobject.timeout_add (self.search_timeout,
self.on_search_timeout)
else:
self.on_search_timeout ()
if gtk.__dict__.has_key ("ENTRY_ICON_PRIMARY"):
self.entry.set_icon_sensitive (gtk.ENTRY_ICON_SECONDARY, has_text)
self.entry.set_icon_activatable (gtk.ENTRY_ICON_SECONDARY, has_text)
def on_search_timeout (self):
self.emit ('search', self.entry.get_text ())
self.timeout = 0
return False
def on_focus_out_event (self, UNUSED_widget, UNUSED_event):
if self.timeout == 0:
return False
gobject.source_remove (self.timeout)
self.timeout = 0
self.emit ('search', self.entry.get_text ())
return False
def searching (self):
return self.entry.get_text () != ''
def on_activate (self, UNUSED_entry):
self.emit ('search', self.entry.get_text ())
def grab_focus (self):
self.entry.grab_focus ()
def set_drop_down_menu (self, menu):
if not gtk.__dict__.has_key ("ENTRY_ICON_PRIMARY"):
return
if menu:
self.entry.set_icon_sensitive (gtk.ENTRY_ICON_PRIMARY, True)
self.entry.set_icon_activatable (gtk.ENTRY_ICON_PRIMARY, True)
self.menu = menu
else:
self.entry.set_icon_sensitive (gtk.ENTRY_ICON_PRIMARY, False)
self.entry.set_icon_activatable (gtk.ENTRY_ICON_PRIMARY, False)
self.menu = None
def on_icon_press (self, UNUSED, icon_position, event):
if icon_position == gtk.ENTRY_ICON_SECONDARY:
self.set_text ("")
return
if icon_position == gtk.ENTRY_ICON_PRIMARY:
if not self.menu:
return
self.menu.popup (None, None, None, event.button, event.time)
gobject.type_register (ToolbarSearchEntry)
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