forked from enlightenment/efl
561 lines
18 KiB
C
561 lines
18 KiB
C
#include "elm_scroller.eo.legacy.h"
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/**
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* @brief Add a new scroller to the parent
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*
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* @param parent The parent object
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* @return The new object or NULL if it cannot be created
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*
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* @ingroup Scroller
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*/
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EAPI Evas_Object *elm_scroller_add(Evas_Object *parent);
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/**
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* @brief Make the scroller minimum size limited to the minimum size of the content
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*
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* @param obj The scroller object
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* @param w Enable limiting minimum size horizontally
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* @param h Enable limiting minimum size vertically
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*
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* By default the scroller will be as small as its design allows,
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* irrespective of its content. This will make the scroller minimum size the
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* right size horizontally and/or vertically to perfectly fit its content in
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* that direction.
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*
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* @ingroup Scroller
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*/
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EAPI void elm_scroller_content_min_limit(Evas_Object *obj, Eina_Bool w, Eina_Bool h);
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/**
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* @brief Show a specific virtual region within the scroller content object
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*
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* @param obj The scroller object
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* @param x X coordinate of the region
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* @param y Y coordinate of the region
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* @param w Width of the region
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* @param h Height of the region
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*
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* This will ensure all (or part if it does not fit) of the designated
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* region in the virtual content object (0, 0 starting at the top-left of the
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* virtual content object) is shown within the scroller.
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*
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* @ingroup Scroller
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*/
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EAPI void elm_scroller_region_show(Evas_Object *obj, Evas_Coord x, Evas_Coord y, Evas_Coord w, Evas_Coord h);
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/**
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* @brief Set the scrollbar visibility policy
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*
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* @param obj The scroller object
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* @param policy_h Horizontal scrollbar policy
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* @param policy_v Vertical scrollbar policy
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*
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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 is
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* needed, and otherwise kept hidden. #ELM_SCROLLER_POLICY_ON turns it on all
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* the time, and #ELM_SCROLLER_POLICY_OFF always keeps it off. This applies
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* respectively for the horizontal and vertical scrollbars.
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*
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* @ingroup Scroller
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*/
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EAPI void elm_scroller_policy_set(Evas_Object *obj, Elm_Scroller_Policy policy_h, Elm_Scroller_Policy policy_v);
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/**
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* @brief Get scrollbar visibility policy
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*
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* @param obj The scroller object
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* @param policy_h Horizontal scrollbar policy
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* @param policy_v Vertical scrollbar policy
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*
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* @see elm_scroller_policy_set()
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*
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* @ingroup Scroller
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*/
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EAPI void elm_scroller_policy_get(const Evas_Object *obj, Elm_Scroller_Policy *policy_h, Elm_Scroller_Policy *policy_v);
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/**
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* @brief Set the type of single direction scroll
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*
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* @param obj The scroller object
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* @param single_dir The type of single direction
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*
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* @see elm_scroller_single_direction_get()
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*
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* @since 1.8
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*
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* @ingroup Scroller
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*/
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EAPI void elm_scroller_single_direction_set(Evas_Object *obj, Elm_Scroller_Single_Direction single_dir);
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/**
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* @brief Get the type of single direction scroll
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*
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* @param obj The scroller object
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* @return the type of single direction
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*
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* @see elm_scroller_single_direction_get()
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*
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* @since 1.8
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*
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* @ingroup Scroller
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*/
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EAPI Elm_Scroller_Single_Direction elm_scroller_single_direction_get(const Evas_Object *obj);
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/**
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* @brief Get the currently visible content region
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*
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* @param obj The scroller object
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* @param x X coordinate of the region
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* @param y Y coordinate of the region
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* @param w Width of the region
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* @param h Height of the region
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*
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* This gets the current region in the content object that is visible through
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* the scroller. The region co-ordinates are returned in the @p x, @p y, @p
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* w, @p h values pointed to.
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*
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* @note All coordinates are relative to the content.
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*
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* @see elm_scroller_region_show()
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*
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* @ingroup Scroller
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*/
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EAPI void elm_scroller_region_get(const Evas_Object *obj, Evas_Coord *x, Evas_Coord *y, Evas_Coord *w, Evas_Coord *h);
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/**
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* @brief Get the size of the content object
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*
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* @param obj The scroller object
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* @param w Width of the content object.
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* @param h Height of the content object.
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*
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* This gets the size of the content object of the scroller.
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*
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* @ingroup Scroller
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*/
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EAPI void elm_scroller_child_size_get(const Evas_Object *obj, Evas_Coord *w, Evas_Coord *h);
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/**
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* @brief Set page snapping behavior of a scroller
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*
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* @param obj The scroller object
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* @param page_h_snap Allow snap horizontally
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* @param page_v_snap Allow snap vertically
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*
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* When scrolling, if a scroller is paged (see
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* elm_scroller_page_size_set() and elm_scroller_page_relative_set()),
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* the scroller may snap to pages when being scrolled, i.e., even if
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* it had momentum to scroll further, it will stop at the next page
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* boundaries. This is @b disabled, by default, for both axis. This
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* function will set if it that is enabled or not, for each axis.
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*
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* @note If @a obj is not set to have pages, nothing will happen after
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* this call.
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*
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* @since 1.8
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*
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* @ingroup Scroller
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*/
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EAPI void elm_scroller_page_snap_set(Evas_Object *obj, Eina_Bool page_h_snap, Eina_Bool page_v_snap);
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/**
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* @brief Get the page snap behaviour of a scroller
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*
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* @param obj The Scroller object
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* @param page_h_snap Will the scroller snap horizontally or not
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* @param page_v_snap Will the scroller snap vertically or not
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*
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* @see elm_scroller_page_snap_set() for more details
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*
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* @since 1.8
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*
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* @ingroup Scroller
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*/
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EAPI void elm_scroller_page_snap_get(const Evas_Object *obj, Eina_Bool *page_h_snap, Eina_Bool *page_v_snap);
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/**
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* @brief Set bouncing behavior
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*
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* @param obj The scroller object
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* @param h_bounce Allow bounce horizontally
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* @param v_bounce Allow bounce vertically
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*
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* When scrolling, the scroller may "bounce" when reaching an edge of the
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* content object. This is a visual way to indicate the end has been reached.
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* This is enabled by default for both axis. This API will set if it is enabled
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* for the given axis with the boolean parameters for each axis.
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*
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* @ingroup Scroller
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*/
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EAPI void elm_scroller_bounce_set(Evas_Object *obj, Eina_Bool h_bounce, Eina_Bool v_bounce);
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/**
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* @brief Get the bounce behaviour
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*
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* @param obj The Scroller object
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* @param h_bounce Will the scroller bounce horizontally or not
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* @param v_bounce Will the scroller bounce vertically or not
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*
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* @see elm_scroller_bounce_set()
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*
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* @ingroup Scroller
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*/
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EAPI void elm_scroller_bounce_get(const Evas_Object *obj, Eina_Bool *h_bounce, Eina_Bool *v_bounce);
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/**
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* @brief Set scroll page size relative to viewport size.
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*
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* @param obj The scroller object
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* @param h_pagerel The horizontal page relative size
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* @param v_pagerel The vertical page relative size
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*
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* The scroller is capable of limiting scrolling by the user to "pages". That
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* is to jump by and only show a "whole page" at a time as if the continuous
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* area of the scroller content is split into page sized pieces. This sets
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* the size of a page relative to the viewport of the scroller. 1.0 is "1
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* viewport" is size (horizontally or vertically). 0.0 turns it off in that
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* axis. This is mutually exclusive with page size
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* (see elm_scroller_page_size_set() for more information). Likewise 0.5
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* is "half a viewport". Sane usable values are normally between 0.0 and 1.0
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* including 1.0. If you only want 1 axis to be page "limited", use 0.0 for
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* the other axis.
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*
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* @ingroup Scroller
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*/
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EAPI void elm_scroller_page_relative_set(Evas_Object *obj, double h_pagerel, double v_pagerel);
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/**
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* Get a given scroller widget's scrolling page size, relative to
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* its viewport size.
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*
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* @param obj The scroller object
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* @param h_pagerel Pointer to a variable where to store the
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* horizontal page (relative) size
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* @param v_pagerel Pointer to a variable where to store the
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* vertical page (relative) size
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*
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* @see elm_scroller_page_relative_set() for more details
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*
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* @since 1.7
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*
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* @ingroup Scroller
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*/
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EAPI void elm_scroller_page_relative_get(const Evas_Object *obj, double *h_pagerel, double *v_pagerel);
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/**
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* @brief Set scroll page size.
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*
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* @param obj The scroller object
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* @param h_pagesize The horizontal page size
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* @param v_pagesize The vertical page size
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*
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* This sets the page size to an absolute fixed value, with 0 turning it off
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* for that axis.
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*
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* @see elm_scroller_page_relative_set()
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* @see elm_scroller_page_size_get()
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*
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* @ingroup Scroller
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*/
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EAPI void elm_scroller_page_size_set(Evas_Object *obj, Evas_Coord h_pagesize, Evas_Coord v_pagesize);
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/**
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* @brief Get a scroller widget's current page size.
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*
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* @param obj The scroller object
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* @param h_pagesize Where to store its horizontal page size
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* @param v_pagesize Where to store its vertical page size
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*
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* @see elm_scroller_page_size_set() for more details
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* @see elm_scroller_page_relative_set()
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*
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* @since 1.7
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*
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* @ingroup Scroller
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*/
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EAPI void elm_scroller_page_size_get(const Evas_Object *obj, Evas_Coord *h_pagesize, Evas_Coord *v_pagesize);
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/**
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* @brief Get scroll current page number.
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*
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* @param obj The scroller object
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* @param h_pagenumber The horizontal page number
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* @param v_pagenumber The vertical page number
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*
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* The page number starts from 0. 0 is the first page.
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* Current page means the page which meets the top-left of the viewport.
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* If there are two or more pages in the viewport, it returns the number of the page
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* which meets the top-left of the viewport.
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*
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* @see elm_scroller_last_page_get()
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* @see elm_scroller_page_show()
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* @see elm_scroller_page_bring_in()
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*
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* @ingroup Scroller
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*/
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EAPI void elm_scroller_current_page_get(const Evas_Object *obj, int *h_pagenumber, int *v_pagenumber);
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/**
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* @brief Get scroll last page number.
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*
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* @param obj The scroller object
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* @param h_pagenumber The horizontal page number
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* @param v_pagenumber The vertical page number
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*
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* The page number starts from 0. 0 is the first page.
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* This returns the last page number among the pages.
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*
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* @see elm_scroller_current_page_get()
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* @see elm_scroller_page_show()
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* @see elm_scroller_page_bring_in()
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*
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* @ingroup Scroller
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*/
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EAPI void elm_scroller_last_page_get(const Evas_Object *obj, int *h_pagenumber, int *v_pagenumber);
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/**
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* Show a specific virtual region within the scroller content object by page number.
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*
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* @param obj The scroller object
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* @param h_pagenumber The horizontal page number
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* @param v_pagenumber The vertical page number
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*
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* 0, 0 of the indicated page is located at the top-left of the viewport.
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* This will jump to the page directly without animation.
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*
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* Example of usage:
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*
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* @code
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* sc = elm_scroller_add(win);
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* elm_object_content_set(sc, content);
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* elm_scroller_page_relative_set(sc, 1, 0);
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* elm_scroller_current_page_get(sc, &h_page, &v_page);
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* elm_scroller_page_show(sc, h_page + 1, v_page);
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* @endcode
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*
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* @see elm_scroller_page_bring_in()
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*
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* @ingroup Scroller
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*/
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EAPI void elm_scroller_page_show(Evas_Object *obj, int h_pagenumber, int v_pagenumber);
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/**
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* Show a specific virtual region within the scroller content object by page number.
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*
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* @param obj The scroller object
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* @param h_pagenumber The horizontal page number
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* @param v_pagenumber The vertical page number
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*
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* 0, 0 of the indicated page is located at the top-left of the viewport.
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* This will slide to the page with animation.
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*
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* Example of usage:
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*
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* @code
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* sc = elm_scroller_add(win);
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* elm_object_content_set(sc, content);
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* elm_scroller_page_relative_set(sc, 1, 0);
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* elm_scroller_last_page_get(sc, &h_page, &v_page);
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* elm_scroller_page_bring_in(sc, h_page, v_page);
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* @endcode
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*
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* @see elm_scroller_page_show()
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*
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* @ingroup Scroller
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*/
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EAPI void elm_scroller_page_bring_in(Evas_Object *obj, int h_pagenumber, int v_pagenumber);
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/**
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* @brief Show a specific virtual region within the scroller content object.
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*
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* @param obj The scroller object
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* @param x X coordinate of the region
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* @param y Y coordinate of the region
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* @param w Width of the region
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* @param h Height of the region
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*
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* This will ensure all (or part if it does not fit) of the designated
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* region in the virtual content object (0, 0 starting at the top-left of the
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* virtual content object) is shown within the scroller. Unlike
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* elm_scroller_region_show(), this allow the scroller to "smoothly slide"
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* to this location (if configuration in general calls for transitions). It
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* may not jump immediately to the new location and make take a while and
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* show other content along the way.
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*
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* @see elm_scroller_region_show()
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*
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* @ingroup Scroller
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*/
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EAPI void elm_scroller_region_bring_in(Evas_Object *obj, Evas_Coord x, Evas_Coord y, Evas_Coord w, Evas_Coord h);
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/**
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* @brief Set scrolling gravity on a scroller
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*
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* @param obj The scroller object
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* @param x The scrolling horizontal gravity
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* @param y The scrolling vertical gravity
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*
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* The gravity, defines how the scroller will adjust its view
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* when the size of the scroller contents increase.
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*
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* The scroller will adjust the view to glue itself as follows.
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*
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* x=0.0, for staying where it is relative to the left edge of the content
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* x=1.0, for staying where it is relative to the rigth edge of the content
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* y=0.0, for staying where it is relative to the top edge of the content
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* y=1.0, for staying where it is relative to the bottom edge of the content
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*
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* Default values for x and y are 0.0
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*
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* @ingroup Scroller
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*/
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EAPI void elm_scroller_gravity_set(Evas_Object *obj, double x, double y);
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/**
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* @brief Get scrolling gravity values for a scroller
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*
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* @param obj The scroller object
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* @param x The scrolling horizontal gravity
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* @param y The scrolling vertical gravity
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*
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* This gets gravity values for a scroller.
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*
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* @see elm_scroller_gravity_set()
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*
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* @ingroup Scroller
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*/
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EAPI void elm_scroller_gravity_get(const Evas_Object *obj, double *x, double *y);
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/**
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* @brief Set blocking of scrolling (per axis) on a given scroller
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*
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* @param obj The scroller object
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* @param block The axis to block
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*
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* This function will block scrolling movement (by input of a user) in
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* a given direction. One can disable movements in the X axis, the Y
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* axis or both. The default value is #ELM_SCROLLER_MOVEMENT_NO_BLOCK,
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* where movements are allowed in both directions.
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*
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* What makes this function different from
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* elm_object_scroll_freeze_push(), elm_object_scroll_hold_push() and
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* elm_object_scroll_lock_x_set() (or elm_object_scroll_lock_y_set())
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* is that it @b doesn't propagate its effects to any parent or child
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* widget of @a obj. Only the target scrollable widget will be locked
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* with regard to scrolling.
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*
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* @since 1.8
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*
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* @ingroup Scroller
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*/
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EAPI void elm_scroller_movement_block_set(Evas_Object *obj, Elm_Scroller_Movement_Block block);
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/**
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* @brief Get a scroller's scroll blocking state
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*
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* @param parent The scroller object
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* @return The blocking state
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*
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* @since 1.8
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*
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* @see elm_scroller_movement_block_set() for more details
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*
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* @ingroup Scroller
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*/
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EAPI Elm_Scroller_Movement_Block elm_scroller_movement_block_get(const Evas_Object *obj);
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/**
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* @brief Set scroll step size.
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*
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* @param obj The scroller object
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* @param x The horizontal step size
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* @param y The vertical step size
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*
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* This sets the step size to move scroller by key event.
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*
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* @see elm_scroller_step_size_get() for more details
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*
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* @since 1.13
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*
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* @ingroup Scroller
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*/
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EAPI void elm_scroller_step_size_set(Evas_Object *obj, Evas_Coord x, Evas_Coord y);
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/**
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* @brief Get the current step size of the scroller object.
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*
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* @param obj The scroller object
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* @param x Where to store its x axis step size
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* @param y Where to store its y axis step size
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*
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* @see elm_scroller_step_size_set() for more details
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*
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* @since 1.13
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*
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* @ingroup Scroller
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*/
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EAPI void elm_scroller_step_size_get(const Evas_Object *obj, Evas_Coord *x, Evas_Coord *y);
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/**
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* @brief Set an infinite loop_ for a scroller
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*
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* @param obj The scroller object
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* @param loop_h The scrolling horizontal loop
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* @param loop_v The scrolling vertical loop
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*
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* This function sets the infinite loop horizontally or vertically.
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* If the content is set, it will be shown repeatedly.
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*
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* @since 1.14
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*
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* @ingroup Scroller
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*/
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EAPI void elm_scroller_loop_set(Evas_Object *obj, Eina_Bool loop_h, Eina_Bool loop_v);
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/**
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* @brief Get an infinite loop_ for a scroller
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*
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* @param obj The scroller object
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* @param loop_h The scrolling horizontal loop
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* @param loop_v The scrolling vertical loop
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*
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* @since 1.14
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*
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* @see elm_scroller_loop_set() for more details
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*
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* @ingroup Scroller
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*/
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EAPI void elm_scroller_loop_get(const Evas_Object *obj, Eina_Bool *loop_h, Eina_Bool *loop_v);
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/**
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* @brief Enable or disable mouse wheel to be used to scroll the scroller.
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*
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* @param obj The scroller object
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* @param disabled The mouse wheel disabled over the scroller.
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*
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* Mouse wheel can be used to scroll up and down the scroller.
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* Wheel is enabled by default.
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*
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* @since 1.15
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*
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* @see elm_scroller_wheel_disabled_get()
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*
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* @ingroup Scroller
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*/
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EAPI void elm_scroller_wheel_disabled_set(Evas_Object *obj, Eina_Bool disabled);
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/**
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* @brief Get a value whether mouse wheel is enabled or not over the scroller.
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*
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* @param obj The scroller object
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* @return @c EINA_TRUE means scroller wheel is disabled. @c EINA_FALSE indicates it is enabled.
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*
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* Mouse wheel can be used to scroll up and down the scroller.
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*
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* @since 1.15
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*
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* @see elm_scroller_wheel_disabled_set()
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*
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|
* @ingroup Scroller
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|
*/
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EAPI Eina_Bool elm_scroller_wheel_disabled_get(const Evas_Object *obj);
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