150 lines
4.4 KiB
C
150 lines
4.4 KiB
C
/**
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* @defgroup Mapbuf Mapbuf
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* @ingroup Elementary
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*
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* @image html img/widget/mapbuf/preview-00.png
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* @image latex img/widget/mapbuf/preview-00.eps width=\textwidth
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*
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* This holds one content object and uses an Evas Map of transformation
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* points to be later used with this content. So the content will be
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* moved, resized, etc as a single image. So it will improve performance
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* when you have a complex interface, with a lot of elements, and will
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* need to resize or move it frequently (the content object and its
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* children).
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*
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* Default contents parts of the mapbuf widget that you can use for are:
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* @li "default" - A content of the mapbuf
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*
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* Supported elm_object common APIs.
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* @li elm_object_part_content_set
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* @li elm_object_part_content_get
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* @li elm_object_part_content_unset
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*
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* To enable map, elm_mapbuf_enabled_set() should be used.
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*
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* See how to use this widget in this example:
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* @ref mapbuf_example
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*/
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/**
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* @addtogroup Mapbuf
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* @{
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*/
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/**
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* Add a new mapbuf widget to the given parent Elementary
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* (container) object.
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*
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* @param parent The parent object.
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* @return A new mapbuf widget handle or @c NULL, on errors.
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*
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* This function inserts a new mapbuf widget on the canvas.
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*
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* @ingroup Mapbuf
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*/
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EAPI Evas_Object *elm_mapbuf_add(Evas_Object *parent);
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/**
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* Enable or disable the map.
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*
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* @param obj The mapbuf object.
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* @param enabled @c EINA_TRUE to enable map or @c EINA_FALSE to disable it.
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*
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* This enables the map that is set or disables it. On enable, the object
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* geometry will be saved, and the new geometry will change (position and
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* size) to reflect the map geometry set.
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*
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* Also, when enabled, alpha and smooth states will be used, so if the
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* content isn't solid, alpha should be enabled, for example, otherwise
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* a black rectangle will fill the content.
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*
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* When disabled, the stored map will be freed and geometry prior to
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* enabling the map will be restored.
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*
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* It's disabled by default.
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*
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* @see elm_mapbuf_alpha_set()
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* @see elm_mapbuf_smooth_set()
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*
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* @ingroup Mapbuf
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*/
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EAPI void elm_mapbuf_enabled_set(Evas_Object *obj, Eina_Bool enabled);
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/**
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* Get a value whether map is enabled or not.
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*
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* @param obj The mapbuf object.
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* @return @c EINA_TRUE means map is enabled. @c EINA_FALSE indicates
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* it's disabled. If @p obj is @c NULL, @c EINA_FALSE is returned.
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*
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* @see elm_mapbuf_enabled_set() for details.
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*
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* @ingroup Mapbuf
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*/
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EAPI Eina_Bool elm_mapbuf_enabled_get(const Evas_Object *obj);
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/**
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* Enable or disable smooth map rendering.
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*
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* @param obj The mapbuf object.
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* @param smooth @c EINA_TRUE to enable smooth map rendering or @c EINA_FALSE
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* to disable it.
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*
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* This sets smoothing for map rendering. If the object is a type that has
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* its own smoothing settings, then both the smooth settings for this object
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* and the map must be turned off.
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*
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* By default smooth maps are enabled.
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*
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* @ingroup Mapbuf
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*/
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EAPI void elm_mapbuf_smooth_set(Evas_Object *obj, Eina_Bool smooth);
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/**
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* Get a value whether smooth map rendering is enabled or not.
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*
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* @param obj The mapbuf object.
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* @return @c EINA_TRUE means smooth map rendering is enabled. @c EINA_FALSE
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* indicates it's disabled. If @p obj is @c NULL, @c EINA_FALSE is returned.
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*
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* @see elm_mapbuf_smooth_set() for details.
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*
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* @ingroup Mapbuf
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*/
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EAPI Eina_Bool elm_mapbuf_smooth_get(const Evas_Object *obj);
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/**
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* Set or unset alpha flag for map rendering.
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*
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* @param obj The mapbuf object.
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* @param alpha @c EINA_TRUE to enable alpha blending or @c EINA_FALSE
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* to disable it.
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*
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* This sets alpha flag for map rendering. If the object is a type that has
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* its own alpha settings, then this will take precedence. Only image objects
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* have this currently. It stops alpha blending of the map area, and is
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* useful if you know the object and/or all sub-objects is 100% solid.
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*
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* Alpha is enabled by default.
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*
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* @ingroup Mapbuf
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*/
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EAPI void elm_mapbuf_alpha_set(Evas_Object *obj, Eina_Bool alpha);
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/**
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* Get a value whether alpha blending is enabled or not.
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*
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* @param obj The mapbuf object.
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* @return @c EINA_TRUE means alpha blending is enabled. @c EINA_FALSE
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* indicates it's disabled. If @p obj is @c NULL, @c EINA_FALSE is returned.
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*
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* @see elm_mapbuf_alpha_set() for details.
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*
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* @ingroup Mapbuf
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*/
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EAPI Eina_Bool elm_mapbuf_alpha_get(const Evas_Object *obj);
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/**
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* @}
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*/
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