241 lines
6.1 KiB
C
241 lines
6.1 KiB
C
#include <Elementary.h>
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#include "elm_priv.h"
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/**
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* @defgroup Table Table
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*
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* Arranges widgets in a table where items can also span multiple
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* columns or rows - even overlap (and then be raised or lowered
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* accordingly to adjust stacking if they do overlap).
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*/
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typedef struct _Widget_Data Widget_Data;
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struct _Widget_Data
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{
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Evas_Object *tbl;
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};
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static const char *widtype = NULL;
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static void _del_hook(Evas_Object *obj);
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static void _sizing_eval(Evas_Object *obj);
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static void _changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info);
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static void _sub_del(void *data, Evas_Object *obj, void *event_info);
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static void
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_del_pre_hook(Evas_Object *obj)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return;
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evas_object_event_callback_del_full
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(wd->tbl, EVAS_CALLBACK_CHANGED_SIZE_HINTS, _changed_size_hints, obj);
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evas_object_del(wd->tbl);
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}
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static void
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_del_hook(Evas_Object *obj)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return;
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free(wd);
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}
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static Eina_Bool
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_elm_table_focus_next_hook(const Evas_Object *obj, Elm_Focus_Direction dir, Evas_Object **next)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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const Eina_List *items;
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void *(*list_data_get) (const Eina_List *list);
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Eina_List *(*list_free) (Eina_List *list);
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if ((!wd) || (!wd->tbl))
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return EINA_FALSE;
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/* Focus chain */
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/* TODO: Change this to use other chain */
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if ((items = elm_widget_focus_custom_chain_get(obj)))
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{
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list_data_get = eina_list_data_get;
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list_free = NULL;
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}
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else
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{
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items = evas_object_table_children_get(wd->tbl);
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list_data_get = eina_list_data_get;
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list_free = eina_list_free;
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if (!items) return EINA_FALSE;
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}
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Eina_Bool ret = elm_widget_focus_list_next_get(obj, items, list_data_get,
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dir, next);
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if (list_free)
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list_free((Eina_List *)items);
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return ret;
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}
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static void
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_sizing_eval(Evas_Object *obj)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
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Evas_Coord w, h;
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if (!wd) return;
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evas_object_size_hint_min_get(wd->tbl, &minw, &minh);
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evas_object_size_hint_max_get(wd->tbl, &maxw, &maxh);
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evas_object_size_hint_min_set(obj, minw, minh);
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evas_object_size_hint_max_set(obj, maxw, maxh);
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evas_object_geometry_get(obj, NULL, NULL, &w, &h);
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if (w < minw) w = minw;
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if (h < minh) h = minh;
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if ((maxw >= 0) && (w > maxw)) w = maxw;
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if ((maxh >= 0) && (h > maxh)) h = maxh;
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evas_object_resize(obj, w, h);
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}
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static void
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_changed_size_hints(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
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{
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_sizing_eval(data);
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}
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static void
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_sub_del(void *data __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
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{
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_sizing_eval(obj);
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}
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/**
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* Add a new table 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 Table
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*/
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EAPI Evas_Object *
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elm_table_add(Evas_Object *parent)
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{
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Evas_Object *obj;
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Evas *e;
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Widget_Data *wd;
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wd = ELM_NEW(Widget_Data);
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e = evas_object_evas_get(parent);
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obj = elm_widget_add(e);
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ELM_SET_WIDTYPE(widtype, "table");
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elm_widget_type_set(obj, "table");
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elm_widget_sub_object_add(parent, obj);
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elm_widget_data_set(obj, wd);
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elm_widget_del_hook_set(obj, _del_hook);
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elm_widget_del_pre_hook_set(obj, _del_pre_hook);
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elm_widget_focus_next_hook_set(obj, _elm_table_focus_next_hook);
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elm_widget_can_focus_set(obj, EINA_FALSE);
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elm_widget_highlight_ignore_set(obj, EINA_FALSE);
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wd->tbl = evas_object_table_add(e);
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evas_object_event_callback_add(wd->tbl, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
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_changed_size_hints, obj);
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elm_widget_resize_object_set(obj, wd->tbl);
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evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
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return obj;
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}
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/**
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* Set the homogenous layout in the table
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*
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* @param obj The layout object
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* @param homogenous A boolean to set (or no) layout homogenous
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* in the table
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* (1 = homogenous, 0 = no homogenous)
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*
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* @ingroup Table
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*/
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EAPI void
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elm_table_homogenous_set(Evas_Object *obj, Eina_Bool homogenous)
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{
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ELM_CHECK_WIDTYPE(obj, widtype);
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return;
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evas_object_table_homogeneous_set(wd->tbl, homogenous);
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}
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/**
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* Set padding between cells.
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*
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* @param obj The layout object.
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* @param horizontal set the horizontal padding.
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* @param vertical set the vertical padding.
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*
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* @ingroup Table
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*/
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EAPI void
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elm_table_padding_set(Evas_Object *obj, Evas_Coord horizontal, Evas_Coord vertical)
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{
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ELM_CHECK_WIDTYPE(obj, widtype);
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return;
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evas_object_table_padding_set(wd->tbl, horizontal, vertical);
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}
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/**
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* Add a subobject on the table with the coordinates passed
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*
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* @param obj The table object
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* @param subobj The subobject to be added to the table
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* @param x Coordinate to X axis
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* @param y Coordinate to Y axis
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* @param w Horizontal length
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* @param h Vertical length
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*
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* @ingroup Table
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*/
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EAPI void
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elm_table_pack(Evas_Object *obj, Evas_Object *subobj, int x, int y, int w, int h)
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{
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ELM_CHECK_WIDTYPE(obj, widtype);
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return;
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elm_widget_sub_object_add(obj, subobj);
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evas_object_table_pack(wd->tbl, subobj, x, y, w, h);
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}
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/**
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* Remove child from table.
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*
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* @param obj The table object
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* @param subobj The subobject
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*
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* @ingroup Table
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*/
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EAPI void
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elm_table_unpack(Evas_Object *obj, Evas_Object *subobj)
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{
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ELM_CHECK_WIDTYPE(obj, widtype);
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return;
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elm_widget_sub_object_del(obj, subobj);
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evas_object_table_unpack(wd->tbl, subobj);
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}
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/**
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* Faster way to remove all child objects from a table object.
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*
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* @param obj The table object
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* @param clear If true, it will delete just removed children
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*
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* @ingroup Table
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*/
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EAPI void
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elm_table_clear(Evas_Object *obj, Eina_Bool clear)
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{
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ELM_CHECK_WIDTYPE(obj, widtype);
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return;
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evas_object_table_clear(wd->tbl, clear);
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}
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