48 lines
1.9 KiB
C
48 lines
1.9 KiB
C
/**
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* Add a new box to the parent
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*
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* By default, the box will be in vertical mode and non-homogeneous.
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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 Elm_Box
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*/
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EAPI Evas_Object *elm_box_add(Evas_Object *parent);
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#include "elm_box_eo.legacy.h"
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/**
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* @brief Set the layout defining function to be used by the box
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*
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* Whenever anything changes that requires the box in @c obj to recalculate the
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* size and position of its elements, the function @c cb will be called to
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* determine what the layout of the children will be.
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*
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* Once a custom function is set, everything about the children layout is
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* defined by it. The flags set by @ref elm_box_horizontal_set and
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* @ref elm_box_homogeneous_set no longer have any meaning, and the values
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* given by @ref elm_box_padding_set and @ref elm_box_align_set are up to this
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* layout function to decide if they are used and how. These last two will be
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* found in the @c priv parameter, of type @c Evas_Object_Box_Data, passed to
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* @c cb. The @c Evas_Object the function receives is not the Elementary
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* widget, but the internal Evas Box it uses, so none of the functions
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* described here can be used on it.
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*
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* Any of the layout functions in @c Evas can be used here, as well as the
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* special @ref elm_box_layout_transition.
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*
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* The final @c data argument received by @c cb is the same @c data passed
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* here, and the @c free_data function will be called to free it whenever the
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* box is destroyed or another layout function is set.
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*
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* Setting @c cb to @c null will revert back to the default layout function.
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*
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* See also @ref elm_box_layout_transition.
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*
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* @param[in] cb The callback function used for layout
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* @param[in] data Data that will be passed to layout function
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* @param[in] free_data Function called to free @c data
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*/
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EAPI void elm_box_layout_set(Evas_Object *obj, Evas_Object_Box_Layout cb, const void *data, Ecore_Cb free_data);
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