#!/usr/bin/env python # -*- Mode: Python; py-indent-offset: 4 -*- # vim: tabstop=4 shiftwidth=4 expandtab # # Copyright (C) 2010 Red Hat, Inc., John (J5) Palmieri # # 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 2.1 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 # USA title = "Search Entry" description = """GtkEntry allows to display icons and progress information. This demo shows how to use these features in a search entry. """ from gi.repository import Gtk, GObject (PIXBUF_COL, TEXT_COL) = range(2) class SearchboxApp: def __init__(self, demoapp): self.demoapp = demoapp self.window = Gtk.Dialog(title='Search Entry') self.window.add_buttons(Gtk.STOCK_CLOSE, Gtk.ResponseType.NONE) self.window.connect('response', lambda x, y: self.window.destroy()) self.window.connect('destroy', Gtk.main_quit) content_area = self.window.get_content_area() vbox = Gtk.VBox(spacing=5) content_area.pack_start(vbox, True, True, 0) vbox.set_border_width(5) label = Gtk.Label() label.set_markup('Search entry demo') vbox.pack_start(label, False, False, 0) hbox = Gtk.HBox(homogeneous=False, spacing=10) hbox.set_border_width(0) vbox.pack_start(hbox, True, True, 0) # Create our entry entry = Gtk.Entry() hbox.pack_start(entry, False, False, 0) # Create the find and cancel buttons notebook = Gtk.Notebook() self.notebook = notebook notebook.set_show_tabs(False) notebook.set_show_border(False) hbox.pack_start(notebook, False, False, 0) find_button = Gtk.Button(label='Find') find_button.connect('clicked', self.start_search, entry) notebook.append_page(find_button, None) find_button.show() cancel_button = Gtk.Button(label='Cancel') cancel_button.connect('clicked', self.stop_search, entry) notebook.append_page(cancel_button, None) cancel_button.show() # Set up the search icon self.search_by_name(None, entry) # Set up the clear icon entry.set_icon_from_stock(Gtk.EntryIconPosition.SECONDARY, Gtk.STOCK_CLEAR) self.text_changed_cb(entry, None, find_button) entry.connect('notify::text', self.text_changed_cb, find_button) entry.connect('activate', self.activate_cb) # Create the menu menu = self.create_search_menu(entry) entry.connect('icon-press', self.icon_press_cb, menu) # FIXME: this should take None for the detach callback # but our callback implementation does not allow # it yet, so we pass in a noop callback menu.attach_to_widget(entry, self.detach) # add accessible alternatives for icon functionality entry.connect('populate-popup', self.entry_populate_popup) self.window.show_all() def detach(self, *args): pass def show_find_button(self): self.notebook.set_current_page(0) def show_cancel_button(self): self.notebook.set_current_page(1) def search_progress(self, entry): entry.progress_pulse() return True def search_progress_done(self, entry): entry.set_progress_fraction(0.0) def finish_search(self, button, entry): self.show_find_button() GObject.source_remove(self.search_progress_id) self.search_progress_done(entry) self.search_progress_id = 0 return False def start_search_feedback(self, entry): self.search_progress_id = GObject.timeout_add(100, self.search_progress, entry) return False def start_search(self, button, entry): self.show_cancel_button() self.search_progress_id = GObject.timeout_add_seconds(1, self.start_search_feedback, entry) self.finish_search_id = GObject.timeout_add_seconds(15, self.finish_search, button) def stop_search(self, button, entry): GObject.source_remove(self.finish_search_id) self.finish_search(button, entry) def clear_entry_swapped(self, widget, entry): self.clear_entry(entry) def clear_entry(self, entry): entry.set_text('') def search_by_name(self, item, entry): entry.set_icon_from_stock(Gtk.EntryIconPosition.PRIMARY, Gtk.STOCK_FIND) entry.set_icon_tooltip_text(Gtk.EntryIconPosition.PRIMARY, 'Search by name\n' + 'Click here to change the search type') def search_by_description(self, item, entry): entry.set_icon_from_stock(Gtk.EntryIconPosition.PRIMARY, Gtk.STOCK_EDIT) entry.set_icon_tooltip_text(Gtk.EntryIconPosition.PRIMARY, 'Search by description\n' + 'Click here to change the search type') def search_by_file(self, item, entry): entry.set_icon_from_stock(Gtk.EntryIconPosition.PRIMARY, Gtk.STOCK_OPEN) entry.set_icon_tooltip_text(Gtk.EntryIconPosition.PRIMARY, 'Search by file name\n' + 'Click here to change the search type') def create_search_menu(self, entry): menu = Gtk.Menu() item = Gtk.ImageMenuItem.new_with_mnemonic('Search by _name') image = Gtk.Image.new_from_stock(Gtk.STOCK_FIND, Gtk.IconSize.MENU) item.set_image(image) item.set_always_show_image(True) item.connect('activate', self.search_by_name, entry) menu.append(item) item = Gtk.ImageMenuItem.new_with_mnemonic('Search by _description') image = Gtk.Image.new_from_stock(Gtk.STOCK_EDIT, Gtk.IconSize.MENU) item.set_image(image) item.set_always_show_image(True) item.connect('activate', self.search_by_description, entry) menu.append(item) item = Gtk.ImageMenuItem.new_with_mnemonic('Search by _file name') image = Gtk.Image.new_from_stock(Gtk.STOCK_OPEN, Gtk.IconSize.MENU) item.set_image(image) item.set_always_show_image(True) item.connect('activate', self.search_by_name, entry) menu.append(item) menu.show_all() return menu def icon_press_cb(self, entry, position, event, menu): if position == Gtk.EntryIconPosition.PRIMARY: menu.popup(None, None, None, None, event.button, event.time) else: self.clear_entry(entry) def text_changed_cb(self, entry, pspec, button): has_text = entry.get_text_length() > 0 entry.set_icon_sensitive(Gtk.EntryIconPosition.SECONDARY, has_text) button.set_sensitive(has_text) def activate_cb(self, entry, button): if self.search_progress_id != 0: return self.start_search(button, entry) def search_entry_destroyed(self, widget): if self.finish_search_id != 0: GObject.source_remove(self.finish_search_id) if self.search_progress_id != 0: GObject.source_remove(self.search_progress_id) self.window = None def entry_populate_popup(self, entry, menu): has_text = entry.get_text_length() > 0 item = Gtk.SeparatorMenuItem() item.show() menu.append(item) item = Gtk.MenuItem.new_with_mnemonic("C_lear") item.show() item.connect('activate', self.clear_entry_swapped, entry) menu.append(item) item.set_sensitive(has_text) search_menu = self.create_search_menu(entry) item = Gtk.MenuItem.new_with_label('Search by') item.show() item.set_submenu(search_menu) menu.append(item) def main(demoapp=None): SearchboxApp(demoapp) Gtk.main() if __name__ == '__main__': main()