426 lines
15 KiB
Cython
426 lines
15 KiB
Cython
# Copyright (C) 2007-2013 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 2.1 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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include "widget_header.pxi"
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include "callback_conversions.pxi"
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from object cimport Object
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from object_item cimport ObjectItem, _object_item_callback, \
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_object_item_to_python, _object_item_list_to_python
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from scroller cimport *
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cdef class DiskselectorItem(ObjectItem):
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"""
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An item for the Diskselector widget.
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"""
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def __init__(self, evasObject diskselector, label, evasObject icon=None, callback=None, *args, **kargs):
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cdef Evas_Object* icon_obj = NULL
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cdef Evas_Smart_Cb cb = NULL
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if icon is not None:
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icon_obj = icon.obj
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if callback is not None:
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if not callable(callback):
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raise TypeError("callback is not callable")
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cb = _object_item_callback
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self.params = (callback, args, kargs)
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item = elm_diskselector_item_append(diskselector.obj, _cfruni(label) if label is not None else NULL, icon_obj, cb, <void*>self)
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if item != NULL:
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self._set_obj(item)
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else:
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Py_DECREF(self)
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property selected:
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"""The selected state of an item.
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This sets the selected state of the given item.
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``True`` for selected, ``False`` for not selected.
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If a new item is selected the previously selected will be unselected.
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Previously selected item can be fetched from the property
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:py:attr:`Diskselector.selected_item`.
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If the item is unselected, the first item of diskselector will
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be selected.
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Selected items will be visible on center position of diskselector.
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So if it was on another position before selected, or was invisible,
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diskselector will animate items until the selected item reaches center
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position.
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.. seealso:: :py:attr:`Diskselector.selected_item`
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:type: bool
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"""
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def __set__(self, selected):
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elm_diskselector_item_selected_set(self.item, selected)
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def __get__(self):
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return bool(elm_diskselector_item_selected_get(self.item))
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property prev:
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"""Get the item before ``item`` in diskselector.
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The list of items follows append order. So it will return item appended
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just before ``item`` and that wasn't deleted.
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If it is the first item, ``None`` will be returned.
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First item can be get by :py:attr:`Diskselector.first_item`.
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.. seealso::
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:py:func:`Diskselector.item_append()`
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:py:attr:`Diskselector.items`
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:type: DiskselectorItem
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"""
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def __get__(self):
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cdef Elm_Object_Item *it = elm_diskselector_item_prev_get(self.item)
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return _object_item_to_python(it)
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property next:
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"""Get the item after ``item`` in diskselector.
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The list of items follows append order. So it will return item appended
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just after ``item`` and that wasn't deleted.
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If it is the last item, ``None`` will be returned.
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Last item can be get by elm_diskselector_last_item_get().
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.. seealso::
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:py:func:`Diskselector.item_append()`
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:py:attr:`Diskselector.items`
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:type: DiskselectorItem
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"""
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def __get__(self):
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cdef Elm_Object_Item *it = elm_diskselector_item_next_get(self.item)
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return _object_item_to_python(it)
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cdef class Diskselector(Object):
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"""
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A diskselector is a kind of list widget. It scrolls horizontally,
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and can contain label and icon objects. Three items are displayed
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with the selected one in the middle.
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It can act like a circular list with round mode and labels can be
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reduced for a defined length for side items.
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Smart callbacks one can listen to:
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- "selected" - when item is selected, i.e. scroller stops.
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- "scroll,anim,start" - scrolling animation has started
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- "scroll,anim,stop" - scrolling animation has stopped
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- "scroll,drag,start" - dragging the diskselector has started
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- "scroll,drag,stop" - dragging the diskselector has stopped
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Available styles for it:
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- ``"default"``
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Default content parts of the diskselector items that you can use for are:
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- "icon" - An icon in the diskselector item
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Default text parts of the diskselector items that you can use for are:
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- "default" - Label of the diskselector item
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.. note:: The "scroll,anim,*" and "scroll,drag,*" signals are only emitted
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by user intervention.
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"""
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def __init__(self, evasObject parent):
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self._set_obj(elm_diskselector_add(parent.obj))
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property round_enabled:
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"""Enable or disable round mode.
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Disabled by default. If round mode is enabled the items list will
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work like a circular list, so when the user reaches the last item,
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the first one will popup.
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:type: bool
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"""
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def __set__(self, enabled):
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elm_diskselector_round_enabled_set(self.obj, enabled)
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def __get__(self):
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return bool(elm_diskselector_round_enabled_get(self.obj))
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property side_text_max_length:
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"""The side labels max length.
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Length is the number of characters of items' label that will be
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visible when it's set on side positions. It will just crop
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the string after defined size. E.g.:
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An item with label "January" would be displayed on side position as
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"Jan" if max length is set to 3, or "Janu", if this property
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is set to 4.
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When it's selected, the entire label will be displayed, except for
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width restrictions. In this case label will be cropped and "..."
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will be concatenated.
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Default side label max length is 3.
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This property will be applied over all items, included before or
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later this function call.
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:type: int
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"""
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def __get__(self):
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return elm_diskselector_side_text_max_length_get(self.obj)
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def __set__(self, length):
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elm_diskselector_side_text_max_length_set(self.obj, length)
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property display_item_num:
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"""The number of items to be displayed.
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Default value is 3, and also it's the minimum. If ``num`` is less
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than 3, it will be set to 3.
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Also, it can be set on theme, using data item ``display_item_num``
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on group "elm/diskselector/item/X", where X is style set.
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E.g.::
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group { name: "elm/diskselector/item/X";
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data {
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item: "display_item_num" "5";
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}
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:type: int
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"""
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def __set__(self, num):
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elm_diskselector_display_item_num_set(self.obj, num)
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def __get__(self):
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return elm_diskselector_display_item_num_get(self.obj)
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property bounce:
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"""Bouncing behaviour when the scrolled content reaches an edge.
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Tell the internal scroller object whether it should bounce or not
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when it reaches the respective edges for each axis.
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.. seealso:: :py:attr:`elementary.scroller.Scroller.bounce`
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:type: (bool h_bounce, bool v_bounce)
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"""
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def __set__(self, bounce):
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h_bounce, v_bounce = bounce
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elm_scroller_bounce_set(self.obj, h_bounce, v_bounce)
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def __get__(self):
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cdef Eina_Bool h_bounce, v_bounce
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elm_scroller_bounce_get(self.obj, &h_bounce, &v_bounce)
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return (h_bounce, v_bounce)
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property scroller_policy:
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"""The scrollbar policy.
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This sets the scrollbar visibility policy for the given scroller.
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ELM_SCROLLER_POLICY_AUTO means the scrollbar is made visible if it
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is needed, and otherwise kept hidden. ELM_SCROLLER_POLICY_ON turns
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it on all the time, and ELM_SCROLLER_POLICY_OFF always keeps it off.
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This applies respectively for the horizontal and vertical scrollbars.
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Both are disabled by default, i.e., are set to ELM_SCROLLER_POLICY_OFF.
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:type: tuple of Elm_Scroller_Policy
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"""
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def __get__(self):
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cdef Elm_Scroller_Policy h_policy, v_policy
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elm_scroller_policy_get(self.obj, &h_policy, &v_policy)
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return (h_policy, v_policy)
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def __set__(self, policy):
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h_policy, v_policy = policy
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elm_scroller_policy_set(self.obj, h_policy, v_policy)
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def clear(self):
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"""clear()
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Remove all diskselector's items.
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.. seealso::
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:py:func:`elementary.object_item.ObjectItem.delete()`
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:py:func:`item_append()`
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"""
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elm_diskselector_clear(self.obj)
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property items:
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"""Get a list of all the diskselector items.
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.. seealso::
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:py:func:`item_append()`
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:py:func:`elementary.object_item.ObjectItem.delete()`
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:py:func:`clear()`
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:type: list of :py:class:`DiskselectorItem`
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"""
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def __get__(self):
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return _object_item_list_to_python(elm_diskselector_items_get(self.obj))
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def item_append(self, label, evasObject icon = None, callback = None, *args, **kwargs):
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"""item_append(self, unicode label, evas.Object icon = None, callback = None, *args, **kwargs) -> DiskselectorItem
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Appends a new item to the diskselector object.
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A new item will be created and appended to the diskselector, i.e.,
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will be set as last item. Also, if there is no selected item, it will
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be selected. This will always happens for the first appended item.
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If no icon is set, label will be centered on item position, otherwise
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the icon will be placed at left of the label, that will be shifted
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to the right.
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Items created with this method can be deleted with
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:py:func:`elementary.object_item.ObjectItem.delete()`.
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If a function is passed as argument, it will be called every time
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this item is selected, i.e., the user stops the diskselector with
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this item on center position.
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Simple example (with no function callback or data associated)::
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disk = Diskselector(win)
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ic = Icon(win)
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ic.file_set("path/to/image")
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ic.resizable_set(EINA_TRUE, EINA_TRUE)
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disk.item_append("label", ic)
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.. seealso::
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:py:func:`elementary.object_item.ObjectItem.delete()`
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:py:func:`clear()`
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:py:class:`elementary.image.Image`
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:param label: The label of the diskselector item.
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:type label: string
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:param icon: The icon object to use at left side of the item. An
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icon can be any Evas object, but usually it is an
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:py:class:`elementary.icon.Icon`.
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:type icon: :py:class:`evas.object.Object`
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:param func: The function to call when the item is selected.
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:type func: function
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:return: The created item or ``None`` upon failure.
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:rtype: :py:class:`DiskselectorItem`
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"""
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return DiskselectorItem(self, label, icon, callback, *args, **kwargs)
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property selected_item:
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"""Get the selected item.
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The selected item can be unselected with function
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:py:attr:`DiskselectorItem.selected`, and the first item of diskselector
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will be selected.
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The selected item always will be centered on diskselector, with full
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label displayed, i.e., max length set to side labels won't apply on
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the selected item. More details on
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:py:attr:`side_text_max_length`.
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:type: :py:class:`DiskselectorItem`
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"""
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def __get__(self):
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return _object_item_to_python(elm_diskselector_selected_item_get(self.obj))
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property first_item:
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"""Get the first item of the diskselector.
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The list of items follows append order. So it will return the first
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item appended to the widget that wasn't deleted.
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.. seealso:: :py:func:`item_append()` :py:attr:`items`
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:type: :py:class:`DiskselectorItem`
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"""
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def __get__(self):
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return _object_item_to_python(elm_diskselector_first_item_get(self.obj))
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property last_item:
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"""Get the last item of the diskselector.
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The list of items follows append order. So it will return last first
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item appended to the widget that wasn't deleted.
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.. seealso:: :py:func:`item_append()` :py:attr:`items`
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:type: :py:class:`DiskselectorItem`
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"""
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def __get__(self):
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return _object_item_to_python(elm_diskselector_last_item_get(self.obj))
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def callback_selected_add(self, func, *args, **kwargs):
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"""When item is selected, i.e. scroller stops."""
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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_scroll_anim_start_add(self, func, *args, **kwargs):
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"""Scrolling animation has started."""
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self._callback_add("scroll,anim,start", func, *args, **kwargs)
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def callback_scroll_anim_start_del(self, func):
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self._callback_del("scroll,anim,start", func)
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def callback_scroll_anim_stop_add(self, func, *args, **kwargs):
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"""Scrolling animation has stopped."""
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self._callback_add("scroll,anim,stop", func, *args, **kwargs)
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def callback_scroll_anim_stop_del(self, func):
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self._callback_del("scroll,anim,stop", func)
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def callback_scroll_drag_start_add(self, func, *args, **kwargs):
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"""Dragging the diskselector has started."""
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self._callback_add("scroll,drag,start", func, *args, **kwargs)
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def callback_scroll_drag_start_del(self, func):
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self._callback_del("scroll,drag,start", func)
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def callback_scroll_drag_stop_add(self, func, *args, **kwargs):
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"""Dragging the diskselector has stopped."""
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self._callback_add("scroll,drag,stop", func, *args, **kwargs)
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def callback_scroll_drag_stop_del(self, func):
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self._callback_del("scroll,drag,stop", func)
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_object_mapping_register("elm_diskselector", Diskselector)
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