347 lines
14 KiB
Python
347 lines
14 KiB
Python
# vim:set et sts=4 sw=4:
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#
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# ibus - The Input Bus
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#
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# Copyright (c) 2007-2015 Peng Huang <shawn.p.huang@gmail.com>
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# Copyright (c) 2007-2015 Red Hat, Inc.
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
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# USA
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__all__ = (
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"KeyboardShortcutSelection",
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"KeyboardShortcutSelectionDialog",
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);
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from gi.repository import Gdk
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from gi.repository import GObject
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from gi.repository import Gtk
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from gi.repository import IBus
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from gi.repository import Pango
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from i18n import _, N_
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MAX_HOTKEY = 6
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class KeyboardShortcutSelection(Gtk.Box):
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def __init__(self, shortcuts = None):
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super(KeyboardShortcutSelection, self).__init__(
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orientation=Gtk.Orientation.VERTICAL)
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self.__init_ui()
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self.set_shortcuts(shortcuts)
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def __init_ui(self):
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# label = Gtk.Label(_("Keyboard shortcuts:"))
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# label.set_justify(Gtk.Justification.LEFT)
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# label.set_alignment(0.0, 0.5)
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# self.pack_start(label, False, True, 4)
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# shortcuts view
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self.__shortcut_view = Gtk.TreeView(
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model = Gtk.ListStore(GObject.TYPE_STRING))
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renderer = Gtk.CellRendererText()
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column = Gtk.TreeViewColumn(_("Keyboard shortcuts"), renderer, text = 0)
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self.__shortcut_view.append_column(column)
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self.__shortcut_view.connect("cursor-changed", self.__shortcut_view_cursor_changed_cb)
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scrolledwindow = Gtk.ScrolledWindow()
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scrolledwindow.set_policy(Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC)
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scrolledwindow.set_min_content_height(100)
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scrolledwindow.add(self.__shortcut_view)
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scrolledwindow.set_shadow_type(Gtk.ShadowType.IN)
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self.pack_start(scrolledwindow, True, True, 4)
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# key code
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hbox = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
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label = Gtk.Label(label = _("Key code:"))
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label.set_justify(Gtk.Justification.LEFT)
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label.set_alignment(0.0, 0.5)
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hbox.pack_start(label, False, True, 4)
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self.__keycode_entry = Gtk.Entry()
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self.__keycode_entry.connect("notify::text", self.__keycode_entry_notify_cb)
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hbox.pack_start(self.__keycode_entry, True, True, 4)
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self.__keycode_button = Gtk.Button(label = "...")
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self.__keycode_button.connect("clicked", self.__keycode_button_clicked_cb)
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hbox.pack_start(self.__keycode_button, False, True, 4)
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self.pack_start(hbox, False, True, 4)
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# modifiers
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hbox = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
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label = Gtk.Label(label = _("Modifiers:"))
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label.set_justify(Gtk.Justification.LEFT)
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label.set_alignment(0.0, 0.5)
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hbox.pack_start(label, False, True, 4)
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table = Gtk.Table(n_rows = 4, n_columns = 2)
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self.__modifier_buttons = []
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self.__modifier_buttons.append(("Control",
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Gtk.CheckButton.new_with_mnemonic("_Control"),
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Gdk.ModifierType.CONTROL_MASK))
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self.__modifier_buttons.append(("Alt",
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Gtk.CheckButton.new_with_mnemonic("A_lt"),
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Gdk.ModifierType.MOD1_MASK))
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self.__modifier_buttons.append(("Shift",
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Gtk.CheckButton.new_with_mnemonic("_Shift"),
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Gdk.ModifierType.SHIFT_MASK))
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self.__modifier_buttons.append(("Meta",
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Gtk.CheckButton.new_with_mnemonic("_Meta"),
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Gdk.ModifierType.META_MASK))
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self.__modifier_buttons.append(("Super",
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Gtk.CheckButton.new_with_mnemonic("S_uper"),
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Gdk.ModifierType.SUPER_MASK))
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self.__modifier_buttons.append(("Hyper",
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Gtk.CheckButton.new_with_mnemonic("_Hyper"),
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Gdk.ModifierType.HYPER_MASK))
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# <CapsLock> is not parsed by gtk_accelerator_parse()
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# <Release> is not supported by XIGrabKeycode()
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for name, button, mask in self.__modifier_buttons:
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button.connect("toggled", self.__modifier_button_toggled_cb, name)
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table.attach(self.__modifier_buttons[0][1], 0, 1, 0, 1)
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table.attach(self.__modifier_buttons[1][1], 1, 2, 0, 1)
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table.attach(self.__modifier_buttons[2][1], 2, 3, 0, 1)
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table.attach(self.__modifier_buttons[3][1], 0, 1, 1, 2)
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table.attach(self.__modifier_buttons[4][1], 1, 2, 1, 2)
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table.attach(self.__modifier_buttons[5][1], 2, 3, 1, 2)
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hbox.pack_start(table, True, True, 4)
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self.pack_start(hbox, False, True, 4)
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# buttons
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hbox = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
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# add button
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self.__add_button = Gtk.Button(label = _("_Add"),
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use_underline = True)
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self.__add_button.set_sensitive(False)
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self.__add_button.connect("clicked", self.__add_button_clicked_cb)
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hbox.pack_start(self.__add_button, False, True, 0)
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# apply button
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self.__apply_button = Gtk.Button(label = _("_Apply"),
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use_underline = True)
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self.__apply_button.set_sensitive(False)
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self.__apply_button.connect("clicked", self.__apply_button_clicked_cb)
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hbox.pack_start(self.__apply_button, False, True, 0)
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# delete button
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self.__delete_button = Gtk.Button(label = _("_Delete"),
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use_underline = True)
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self.__delete_button.set_sensitive(False)
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self.__delete_button.connect("clicked", self.__delete_button_clicked_cb)
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hbox.pack_start(self.__delete_button, False, True, 0)
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self.pack_start(hbox, False, True, 4)
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def set_shortcuts(self, shortcuts = None):
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if shortcuts == None:
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shortcuts = []
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model = self.__shortcut_view.get_model()
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model.clear()
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added = []
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for shortcut in shortcuts:
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if shortcut not in added:
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it = model.insert(0)
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model[it][0] = shortcut
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added.append(shortcut)
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def get_shortcuts(self):
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model = self.__shortcut_view.get_model()
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try:
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return [i[0] for i in model]
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except:
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return []
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def add_shortcut(self, shortcut):
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model = self.__shortcut_view.get_model()
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if len(model) > MAX_HOTKEY:
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return
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if shortcut in self.get_shortcuts():
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return
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it = model.insert(0)
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model[it][0] = shortcut
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self.__add_button.set_sensitive(False)
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path = model.get_path(it)
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self.__shortcut_view.set_cursor(path, None, False)
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def __get_shortcut_from_buttons(self):
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modifiers = []
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keycode = self.__keycode_entry.get_text()
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if Gdk.keyval_from_name(keycode) == 0:
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return None
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for name, button, mask in self.__modifier_buttons:
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if button.get_active():
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modifiers.append(name)
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if keycode.startswith("_"):
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keycode = keycode[1:]
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shortcut = "".join(['<' + m + '>' for m in modifiers])
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shortcut += keycode
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return shortcut
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def __set_shortcut_to_buttons(self, shortcut):
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(keyval, state) = Gtk.accelerator_parse(shortcut)
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if keyval == 0 and state == 0:
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return
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for name, button, mask in self.__modifier_buttons:
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if state & mask:
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button.set_active(True)
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else:
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button.set_active(False)
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self.__keycode_entry.set_text(shortcut.rsplit('>', 1)[-1])
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def __get_selected_shortcut(self):
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model = self.__shortcut_view.get_model()
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path, column = self.__shortcut_view.get_cursor()
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if path == None:
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return None
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return model[path.get_indices()[0]][0]
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def __set_selected_shortcut(self, shortcut):
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model = self.__shortcut_view.get_model()
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path, column = self.__shortcut_view.get_cursor()
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model[path[0]][0] = shortcut
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self.__update_add_and_apply_buttons()
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def __del_selected_shortcut(self):
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model = self.__shortcut_view.get_model()
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path, column = self.__shortcut_view.get_cursor()
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model.remove(model.get_iter(path))
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self.__update_add_and_apply_buttons()
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def __shortcut_view_cursor_changed_cb(self, treeview):
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shortcut = self.__get_selected_shortcut()
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if shortcut != None:
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self.__set_shortcut_to_buttons(shortcut)
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self.__delete_button.set_sensitive(True)
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else:
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self.__delete_button.set_sensitive(False)
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def __update_add_and_apply_buttons(self):
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shortcut = self.__get_shortcut_from_buttons()
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selected_shortcut = self.__get_selected_shortcut()
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shortcuts = self.get_shortcuts()
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can_add = shortcut != None and \
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shortcut not in shortcuts \
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and len(shortcuts) < MAX_HOTKEY
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self.__add_button.set_sensitive(can_add)
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can_apply = shortcut != selected_shortcut and \
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shortcut != None and \
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selected_shortcut != None and \
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shortcut not in shortcuts
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self.__apply_button.set_sensitive(can_apply)
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def __modifier_button_toggled_cb(self, button, name):
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self.__update_add_and_apply_buttons()
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def __keycode_entry_notify_cb(self, entry, arg):
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self.__update_add_and_apply_buttons()
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def __keycode_button_clicked_cb(self, button):
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out = []
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dlg = Gtk.MessageDialog(transient_for = self.get_toplevel(),
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buttons = Gtk.ButtonsType.CLOSE)
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message = _("Please press a key (or a key combination).\n" \
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"The dialog will be closed when the key is released.")
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dlg.set_markup(message)
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dlg.set_title(_("Please press a key (or a key combination)"))
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sw = Gtk.ScrolledWindow()
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def __accel_edited_cb(c, path, keyval, state, keycode):
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out.append(keyval)
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out.append(state)
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out.append(keycode)
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dlg.response(Gtk.ResponseType.OK)
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model = Gtk.ListStore(GObject.TYPE_INT,
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GObject.TYPE_UINT,
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GObject.TYPE_UINT)
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accel_view = Gtk.TreeView(model = model)
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accel_view.set_headers_visible(False)
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sw.add(accel_view)
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sw.set_min_content_height(30)
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column = Gtk.TreeViewColumn()
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renderer = Gtk.CellRendererAccel(accel_mode=Gtk.CellRendererAccelMode.OTHER,
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editable=True)
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renderer.connect('accel-edited', __accel_edited_cb)
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column.pack_start(renderer, True)
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column.add_attribute(renderer, 'accel-mods', 0)
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column.add_attribute(renderer, 'accel-key', 1)
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column.add_attribute(renderer, 'keycode', 2)
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accel_view.append_column(column)
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it = model.append(None)
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area = dlg.get_message_area()
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area.pack_end(sw, True, True, 0)
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sw.show_all()
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id = dlg.run()
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dlg.destroy()
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if id != Gtk.ResponseType.OK or len(out) < 3:
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return
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keyval = out[0]
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state = out[1]
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keycode = out[2]
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for name, button, mask in self.__modifier_buttons:
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if state & mask:
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button.set_active(True)
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else:
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button.set_active(False)
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shortcut = Gtk.accelerator_name_with_keycode(None,
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keyval,
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keycode,
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state)
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shortcut = shortcut.replace('<Primary>', '<Control>')
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self.__keycode_entry.set_text(shortcut.rsplit('>', 1)[-1])
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def __add_button_clicked_cb(self, button):
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shortcut = self.__get_shortcut_from_buttons()
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self.add_shortcut(shortcut)
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def __apply_button_clicked_cb(self, button):
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shortcut = self.__get_shortcut_from_buttons()
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self.__set_selected_shortcut(shortcut)
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def __delete_button_clicked_cb(self, button):
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self.__del_selected_shortcut()
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self.__delete_button.set_sensitive(False)
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self.__apply_button.set_sensitive(False)
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class KeyboardShortcutSelectionDialog(Gtk.Dialog):
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def __init__(self, title = None, transient_for = None, flags = 0):
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super(KeyboardShortcutSelectionDialog, self).__init__(
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title = title, transient_for = transient_for, flags = flags)
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self.__selection_view = KeyboardShortcutSelection()
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self.vbox.pack_start(self.__selection_view, False, True, 0)
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self.vbox.show_all()
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def set_shortcuts(self, shotrcuts = None):
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self.__selection_view.set_shortcuts(shotrcuts)
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def add_shortcut(self, shotrcut):
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self.__selection_view.add_shortcut(shotrcut)
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def get_shortcuts(self):
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return self.__selection_view.get_shortcuts()
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if __name__ == "__main__":
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dlg = KeyboardShortcutSelectionDialog(title = "Select test")
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buttons = (_("_Cancel"), Gtk.ResponseType.CANCEL,
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_("_OK"), Gtk.ResponseType.OK)
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dlg.add_buttons(buttons)
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dlg.add_shortcut("Control+Shift+space")
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dlg.set_shortcuts(None)
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print((dlg.run()))
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print((dlg.get_shortcuts()))
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