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