def on_search_entry_grab_focus( # pylint: disable=no-self-use
self, search_entry):
'''
Signal handler called when the search entry grabs focus
:param search_entry: The search entry
:type search_entry: Gtk.SearchEntry object
'''
if _ARGS.debug:
sys.stdout.write(
'on_search_entry_grab_focus() search_entry = %s\n'
%repr(search_entry))
search_entry.grab_focus_without_selecting()
# The default signal handler would again select the contents
# of the search entry. Therefore, we must prevent the default
# signal handler from running:
GObject.signal_stop_emission_by_name(search_entry, 'grab-focus')
return True
python类SearchEntry()的实例源码
def __init__(self, window, search_button, *args):
self.search_entry = Gtk.SearchEntry()
self.search_list = args[0]
self.search_button = search_button
self.window = window
self.generate()
self.search_button.connect("toggled", self.toggle)
self.window.connect("key-press-event", self.__on_key_press)
def on_search_entry_search_changed(self, search_entry):
'''
Signal handler for changed text in the search entry
:param widget: The search entry
:type widget: Gtk.SearchEntry object
'''
query_string = search_entry.get_text()
if _ARGS.debug:
sys.stdout.write(
'on_search_entry_search_changed() query_string = %s\n'
%query_string)
if not self._search_bar.get_search_mode():
# If the text in the search entry changes while
# the search bar is invisible, ignore it.
return
self._query_string = query_string
if self._candidates_invalid:
if _ARGS.debug:
sys.stdout.write(
'on_search_entry_search_changed() '
+ 'self._candidates_invalid = %s\n'
%self._candidates_invalid)
return
self._candidates_invalid = True
self._clear_flowbox()
self._busy_start()
GLib.idle_add(self._fill_flowbox_with_search_results)
def on_font_search_entry_search_changed(self, search_entry):
'''
Signal handler for changed text in the font search entry
:param widget: The search entry
:type widget: Gtk.SearchEntry object
'''
filter_text = search_entry.get_text()
if _ARGS.debug:
sys.stdout.write(
'on_font_search_entry_search_changed() filter_text = %s\n'
%filter_text)
self._fill_listbox_font(filter_text)
def on_font_button_clicked(self, dummy_button):
'''
The font button in the header bar has been clicked
:param dummy_button: The font button
:type dummy_button: Gtk.Button object
'''
if _ARGS.debug:
sys.stdout.write(
'on_font_button_clicked()\n')
self._font_popover = Gtk.Popover()
self._font_popover.set_relative_to(self._font_button)
self._font_popover.set_position(Gtk.PositionType.BOTTOM)
self._font_popover.set_vexpand(True)
font_popover_vbox = Gtk.VBox()
margin = 12
font_popover_vbox.set_margin_start(margin)
font_popover_vbox.set_margin_end(margin)
font_popover_vbox.set_margin_top(margin)
font_popover_vbox.set_margin_bottom(margin)
font_popover_vbox.set_spacing(margin)
font_popover_label = Gtk.Label()
font_popover_label.set_text(_('Set Font'))
font_popover_label.set_visible(True)
font_popover_label.set_halign(Gtk.Align.FILL)
font_popover_vbox.pack_start(
font_popover_label, False, False, 0)
font_popover_search_entry = Gtk.SearchEntry()
font_popover_search_entry.set_can_focus(True)
font_popover_search_entry.set_visible(True)
font_popover_search_entry.set_halign(Gtk.Align.FILL)
font_popover_search_entry.set_hexpand(False)
font_popover_search_entry.set_vexpand(False)
font_popover_search_entry.connect(
'search_changed', self.on_font_search_entry_search_changed)
font_popover_vbox.pack_start(
font_popover_search_entry, False, False, 0)
self._font_popover_scroll = Gtk.ScrolledWindow()
self._fill_listbox_font('')
font_popover_vbox.pack_start(
self._font_popover_scroll, True, True, 0)
self._font_popover.add(font_popover_vbox)
if GTK_VERSION >= (3, 22, 0):
self._font_popover.popup()
self._font_popover.show_all()
def _build_content(self):
""""Setup window content widges."""
container = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
# Search bar
self._search_bar = Gtk.SearchBar()
self._search_bar.set_show_close_button(True)
self._search_btn.bind_property("active",
self._search_bar,
"search-mode-enabled",
1)
self._search_entry = Gtk.SearchEntry()
self._search_entry.set_width_chars(60)
self._search_entry.connect("search-changed", self._on_search)
self._search_bar.add(self._search_entry)
self._search_bar.connect_entry(self._search_entry)
container.pack_start(self._search_bar, False, False, 0)
# Preview image
self._preview = Image()
self._default_icon = get_default_icon(self._folders[0])
self._preview.set_icon(self._default_icon)
scrolled = Gtk.ScrolledWindow()
scrolled.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC)
self._flowbox.connect("child-activated", self._do_select)
self._flowbox.connect("selected-children-changed",
self._on_update_preview)
self._flowbox.set_valign(Gtk.Align.START)
self._flowbox.set_row_spacing(0)
self._flowbox.set_activate_on_single_click(False)
self._flowbox.set_min_children_per_line(4)
self._flowbox.set_max_children_per_line(12)
self._flowbox.set_selection_mode(Gtk.SelectionMode.SINGLE)
scrolled.add(self._flowbox)
container.pack_start(self._preview, False, False, 0)
container.pack_start(scrolled, True, True, 0)
self.add(container)
