423 lines
14 KiB
Cython
423 lines
14 KiB
Cython
# Copyright (C) 2007-2014 various contributors (see AUTHORS)
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#
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# This file is part of Python-EFL.
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#
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# Python-EFL 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 3 of the License, or (at your option) any later version.
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#
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# Python-EFL 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 License
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# along with this Python-EFL. If not, see <http://www.gnu.org/licenses/>.
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#
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"""
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Widget description
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------------------
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.. image:: /images/hoversel-preview.png
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:align: left
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A hoversel is a button that pops up a list of items (automatically
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choosing the direction to display) that have a label and, optionally, an
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icon to select from.
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It is a convenience widget to avoid the need to do all the piecing
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together yourself. It is intended for a small number of items in the
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hoversel menu (no more than 8), though is capable of many more.
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This widget emits the following signals, besides the ones sent from
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:py:class:`~efl.elementary.button.Button`:
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- ``clicked`` - the user clicked the hoversel button and popped up
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the sel
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- ``selected`` - an item in the hoversel list is selected. event_info
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is the item
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- ``dismissed`` - the hover is dismissed
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- ``expanded`` - the hover is expanded (since 1.9)
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- ``item,focused`` - the hoversel item has received focus. (since 1.10)
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- ``item,unfocused`` - the hoversel item has lost focus. (since 1.10)
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Default content parts of the hoversel widget that you can use for are:
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- ``icon`` - An icon of the hoversel
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Default text parts of the hoversel widget that you can use for are:
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- ``default`` - Label of the hoversel
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Enumerations
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------------
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.. _Elm_Hoversel_Icon_Type:
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Icon types
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==========
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.. data:: ELM_ICON_NONE
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No icon
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.. data:: ELM_ICON_FILE
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Icon is a file
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.. data:: ELM_ICON_STANDARD
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Icon is set with standards names
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"""
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from cpython cimport PyUnicode_AsUTF8String
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from libc.stdint cimport uintptr_t
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from efl.eo cimport _object_mapping_register, object_from_instance
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from efl.utils.conversions cimport _ctouni
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from efl.evas cimport Object as evasObject
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from object_item cimport ObjectItem, _object_item_callback, \
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_object_item_list_to_python, _object_item_to_python, _object_item_callback2
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from button cimport Button
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cimport enums
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ELM_ICON_NONE = enums.ELM_ICON_NONE
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ELM_ICON_FILE = enums.ELM_ICON_FILE
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ELM_ICON_STANDARD = enums.ELM_ICON_STANDARD
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def _cb_object_item_conv(uintptr_t addr):
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cdef Elm_Object_Item *it = <Elm_Object_Item *>addr
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return _object_item_to_python(it)
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cdef class HoverselItem(ObjectItem):
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"""
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An item for the :py:class:`Hoversel` widget.
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"""
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cdef:
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object label, icon_file, icon_group
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Elm_Icon_Type icon_type
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def __init__(self, label = None, icon_file = None,
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icon_type = ELM_ICON_NONE, callback = None, cb_data = None,
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*args, **kwargs):
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"""For more information on what ``icon_file`` and ``icon_type`` are,
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see :py:class:`~efl.elementary.icon.Icon`.
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:param label: The text label to use for the item (None if not desired)
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:type label: string
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:param icon_file: An image file path on disk to use for the icon or
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standard icon name (None if not desired)
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:type icon_file: string
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:param icon_type: The icon type if relevant
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:type icon_type: :ref:`Elm_Hoversel_Icon_Type`
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:param callback: Convenience function to call when this item is
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selected
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:type callback: function
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"""
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if isinstance(label, unicode): label = PyUnicode_AsUTF8String(label)
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if isinstance(icon_file, unicode): icon_file = PyUnicode_AsUTF8String(icon_file)
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self.label = label
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self.icon_file = icon_file
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self.icon_type = icon_type
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if callback:
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if not callable(callback):
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raise TypeError("callback is not callable")
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self.cb_func = callback
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self.cb_data = cb_data
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self.args = args
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self.kwargs = kwargs
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def add_to(self, Hoversel hoversel):
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"""Add an item to the hoversel button
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This adds an item to the hoversel to show when it is clicked.
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.. note::
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If you need to use an icon from an edje file then
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use :py:attr:`HoverselItem.icon` right after this function.
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:return: The item added.
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:rtype: HoverselItem
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"""
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cdef Evas_Smart_Cb cb = NULL
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if self.cb_func is not None:
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cb = _object_item_callback2
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item = elm_hoversel_item_add(hoversel.obj,
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<const char *>self.label if self.label is not None else NULL,
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<const char *>self.icon_file if self.icon_file is not None else NULL,
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self.icon_type,
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cb, <void*>self)
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if item == NULL:
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raise RuntimeError("The item could not be added to the widget.")
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self._set_obj(item)
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self._set_properties_from_keyword_args(self.kwargs)
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return self
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property icon:
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"""This sets the icon for the given hoversel item.
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The icon can be loaded from the standard set, from an image file, or
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from an edje file.
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:type: (string file, string group, :ref:`Elm_Icon_Type` type)
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"""
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def __set__(self, value):
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icon_file, icon_group, icon_type = value
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a1, a2, a3 = icon_file, icon_group, icon_type
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if isinstance(a1, unicode): a1 = PyUnicode_AsUTF8String(a1)
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if isinstance(a2, unicode): a2 = PyUnicode_AsUTF8String(a2)
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if self.item == NULL:
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self.icon_file = a1
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self.icon_group = a2
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self.icon_type = a3
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else:
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elm_hoversel_item_icon_set(self.item,
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<const char *>a1 if a1 is not None else NULL,
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<const char *>a2 if a2 is not None else NULL,
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a3)
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def __get__(self):
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cdef:
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const char *icon_file
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const char *icon_group
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Elm_Icon_Type icon_type
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if self.item == NULL:
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a1 = self.icon_file.decode("UTF-8")
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a2 = self.icon_group.decode("UTF-8")
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a3 = self.icon_type
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return (a1, a2, a3)
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else:
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elm_hoversel_item_icon_get(self.item, &icon_file, &icon_group, &icon_type)
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return (_ctouni(icon_file), _ctouni(icon_group), icon_type)
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def icon_set(self, icon_file, icon_group, icon_type):
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a1, a2, a3 = icon_file, icon_group, icon_type
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if isinstance(a1, unicode): a1 = PyUnicode_AsUTF8String(a1)
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if isinstance(a2, unicode): a2 = PyUnicode_AsUTF8String(a2)
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if self.item == NULL:
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self.icon_file = a1
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self.icon_group = a2
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self.icon_type = a3
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else:
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elm_hoversel_item_icon_set(self.item,
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<const char *>a1 if a1 is not None else NULL,
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<const char *>a2 if a2 is not None else NULL,
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a3)
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def icon_get(self):
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cdef:
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const char *icon_file
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const char *icon_group
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Elm_Icon_Type icon_type
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if self.item == NULL:
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a1 = self.icon_file.decode("UTF-8")
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a2 = self.icon_group.decode("UTF-8")
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a3 = self.icon_type
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return (a1, a2, a3)
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else:
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elm_hoversel_item_icon_get(self.item, &icon_file, &icon_group, &icon_type)
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return (_ctouni(icon_file), _ctouni(icon_group), icon_type)
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cdef class Hoversel(Button):
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"""This is the class that actually implements the widget."""
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def __init__(self, evasObject parent, *args, **kwargs):
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self._set_obj(elm_hoversel_add(parent.obj))
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self._set_properties_from_keyword_args(kwargs)
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property horizontal:
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"""Whether the hoversel is set to expand horizontally.
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.. note:: The initial button will display horizontally regardless of
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this setting.
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:type: bool
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"""
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def __set__(self, horizontal):
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elm_hoversel_horizontal_set(self.obj, horizontal)
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def __get__(self):
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return bool(elm_hoversel_horizontal_get(self.obj))
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def horizontal_set(self, horizontal):
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elm_hoversel_horizontal_set(self.obj, horizontal)
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def horizontal_get(self):
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return bool(elm_hoversel_horizontal_get(self.obj))
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property hover_parent:
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"""The Hover parent.
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The hover parent object, the area that will be darkened when the
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hoversel is clicked. Should probably be the window that the hoversel
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is in. See :py:class:`~efl.elementary.hover.Hover` objects for more
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information.
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:type: :py:class:`~efl.elementary.object.Object`
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"""
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def __set__(self, evasObject parent):
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elm_hoversel_hover_parent_set(self.obj, parent.obj)
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def __get__(self):
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return object_from_instance(elm_hoversel_hover_parent_get(self.obj))
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def hover_parent_set(self, evasObject parent):
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elm_hoversel_hover_parent_set(self.obj, parent.obj)
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def hover_parent_get(self):
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return object_from_instance(elm_hoversel_hover_parent_get(self.obj))
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def hover_begin(self):
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"""This triggers the hoversel popup from code, the same as if the user
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had clicked the button.
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"""
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elm_hoversel_hover_begin(self.obj)
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def hover_end(self):
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"""This dismisses the hoversel popup as if the user had clicked outside
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the hover.
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"""
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elm_hoversel_hover_end(self.obj)
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property expanded:
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"""Returns whether the hoversel is expanded.
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:type: bool
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"""
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def __get__(self):
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return bool(elm_hoversel_expanded_get(self.obj))
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def expanded_get(self):
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return bool(elm_hoversel_expanded_get(self.obj))
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def clear(self):
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"""This will remove all the children items from the hoversel.
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.. warning:: Should **not** be called while the hoversel is active;
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use :py:attr:`expanded` to check first.
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.. seealso:: :py:meth:`~efl.elementary.object_item.ObjectItem.delete`
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"""
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elm_hoversel_clear(self.obj)
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property items:
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"""Get the list of items within the given hoversel.
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.. seealso:: :py:func:`HoverselItem.add_to()`
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:type: tuple of :py:class:`HoverselItem`'s
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"""
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def __get__(self):
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return _object_item_list_to_python(elm_hoversel_items_get(self.obj))
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def items_get(self):
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return _object_item_list_to_python(elm_hoversel_items_get(self.obj))
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def item_add(self, label = None, icon_file = None,
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icon_type = ELM_ICON_NONE, callback = None, *args, **kwargs):
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cdef:
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Elm_Object_Item *item
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Evas_Smart_Cb cb = NULL
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HoverselItem ret = HoverselItem.__new__(HoverselItem)
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if callback is not None and callable(callback):
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cb = _object_item_callback
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if isinstance(label, unicode): label = PyUnicode_AsUTF8String(label)
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if isinstance(icon_file, unicode): icon_file = PyUnicode_AsUTF8String(icon_file)
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item = elm_hoversel_item_add(self.obj,
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<const char *>label if label is not None else NULL,
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<const char *>icon_file if icon_file is not None else NULL,
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icon_type,
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cb, <void*>ret)
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if item != NULL:
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ret._set_obj(item)
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ret.cb_func = callback
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ret.args = args
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ret.kwargs = kwargs
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return ret
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else:
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return None
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def callback_clicked_add(self, func, *args, **kwargs):
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"""The user clicked the hoversel button and popped up the sel."""
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self._callback_add("clicked", func, *args, **kwargs)
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def callback_clicked_del(self, func):
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self._callback_del("clicked", func)
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def callback_selected_add(self, func, *args, **kwargs):
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"""An item in the hoversel list is selected. event_info is the item."""
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self._callback_add_full("selected", _cb_object_item_conv, func, *args, **kwargs)
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def callback_selected_del(self, func):
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self._callback_del_full("selected", _cb_object_item_conv, func)
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def callback_dismissed_add(self, func, *args, **kwargs):
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"""The hover is dismissed."""
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self._callback_add("dismissed", func, *args, **kwargs)
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def callback_dismissed_del(self, func):
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self._callback_del("dismissed", func)
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def callback_expanded_add(self, func, *args, **kwargs):
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"""The hover is expanded.
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.. versionadded:: 1.9
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"""
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self._callback_add("expanded", func, *args, **kwargs)
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def callback_expanded_del(self, func):
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self._callback_del("expanded", func)
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def callback_item_focused_add(self, func, *args, **kwargs):
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"""When the hoversel item has received focus.
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.. versionadded:: 1.10
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"""
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self._callback_add_full("item,focused", _cb_object_item_conv, func, *args, **kwargs)
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def callback_item_focused_del(self, func):
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self._callback_del_full("item,focused", _cb_object_item_conv, func)
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def callback_item_unfocused_add(self, func, *args, **kwargs):
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"""When the hoversel item has lost focus.
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.. versionadded:: 1.10
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"""
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self._callback_add_full("item,unfocused", _cb_object_item_conv, func, *args, **kwargs)
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def callback_item_unfocused_del(self, func):
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self._callback_del_full("item,unfocused", _cb_object_item_conv, func)
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_object_mapping_register("Elm_Hoversel", Hoversel)
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