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scroller: Introducing Efl.Ui.Scroller

Authored by WhiskyKiloSq on Dec 18 2017, 4:08 AM.

Description

scroller: Introducing Efl.Ui.Scroller

Summary:
scrollable widgets had a interface_scrollable as a mixin so that the
widgets had a 'is-a' relation with interface_scrollabe. however, new
scroller concept don't have 'is-a' relationship, but 'has-a'
relationship. scrollable widgets should have a scroll manager inside
them, then scroll manager handles event from user and api
implementations. and also we cut the features such as paging because
there will be aka 'elm_pager'.

we are expecting that the new concept make us to maintain the scroller
easier. please excuse for many unorganized code and logics. : (

[contained commit]
scrollable: add efl_ui_scroller example
scrollable: refactoring for behavior in case of multiple scroller
scrollable: remove repetitive scrollbar code.
scrollable: combine calculating bounce distance code.
scroll_manager: mouse up function refactoring
scroll_manager: mouse move function refactoring
scroll_manager: warp animator wip
scroll_manager: fix denominator value when calculating flicking behavior.
Fix to disconnect bounce animator once animation is done
gather duplicated animator drop logics
gather duplicated conditions
Rearrange prototypes and append comment
Add manipulate functions for animators
scroll_manager: change member_add function.
scroll_manger: apply mirroring logic
scroll_manager: apply scrollbar
apply API to scroller widget
scroll_manager: apply scroll event callback
Change logics for all about scroll animating
efl_ui_pan: add efl_ui_pan
scrollable: change content_min_limit to match_content
scroll theme: apply overlapped scrollbar
+ many others!

Reviewers: akanad, woohyun, cedric, jpeg

Subscribers: jenkins, cedric, jpeg

Differential Revision: https://phab.enlightenment.org/D5222

Note by @jpeg:
Unfortunately this patch comes in a massive single blob, after too many
rebase operations. It has now come to a point where I think the API is
nice and it works as I'd expect.
Now I only wonder how applicable this will be for Efl.Ui.List. As we can
see Photocam (legacy and unified API) could be transformed to use this
new API.

Details

Committed
Jean-Philippe Andre <jp.andre@samsung.com>Dec 18 2017, 5:26 PM
Differential Revision
D5222: scroll_manager: new scoller scratch
Parents
rEFL29ce7550eb3f: eina: Add missing eina_internal.h
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