372 lines
9.6 KiB
C
372 lines
9.6 KiB
C
#include <Elementary.h>
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#include "elm_priv.h"
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#include "elm_widget_container.h"
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static const char MAPBUF_SMART_NAME[] = "elm_mapbuf";
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typedef struct _Elm_Mapbuf_Smart_Data Elm_Mapbuf_Smart_Data;
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struct _Elm_Mapbuf_Smart_Data
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{
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Elm_Widget_Smart_Data base;
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Evas_Object *content;
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Eina_Bool enabled : 1;
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Eina_Bool smooth : 1;
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Eina_Bool alpha : 1;
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};
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#define ELM_MAPBUF_DATA_GET(o, sd) \
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Elm_Mapbuf_Smart_Data * sd = evas_object_smart_data_get(o)
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#define ELM_MAPBUF_DATA_GET_OR_RETURN(o, ptr) \
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ELM_MAPBUF_DATA_GET(o, ptr); \
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if (!ptr) \
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{ \
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CRITICAL("No widget data for object %p (%s)", \
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o, evas_object_type_get(o)); \
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return; \
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}
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#define ELM_MAPBUF_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
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ELM_MAPBUF_DATA_GET(o, ptr); \
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if (!ptr) \
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{ \
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CRITICAL("No widget data for object %p (%s)", \
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o, evas_object_type_get(o)); \
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return val; \
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}
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#define ELM_MAPBUF_CHECK(obj) \
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if (!obj || !elm_widget_type_check((obj), MAPBUF_SMART_NAME, __func__)) \
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return
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EVAS_SMART_SUBCLASS_NEW
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(MAPBUF_SMART_NAME, _elm_mapbuf, Elm_Container_Smart_Class,
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Elm_Container_Smart_Class, elm_container_smart_class_get, NULL);
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static void
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_sizing_eval(Evas_Object *obj)
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{
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Evas_Coord minw = -1, minh = -1;
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Evas_Coord maxw = -1, maxh = -1;
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ELM_MAPBUF_DATA_GET(obj, sd);
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if (sd->content)
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{
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evas_object_size_hint_min_get(sd->content, &minw, &minh);
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evas_object_size_hint_max_get(sd->content, &maxw, &maxh);
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}
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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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}
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static Eina_Bool
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_elm_mapbuf_smart_theme(Evas_Object *obj)
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{
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if (!ELM_WIDGET_CLASS(_elm_mapbuf_parent_sc)->theme(obj)) return EINA_FALSE;
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_sizing_eval(obj);
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return EINA_TRUE;
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}
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static void
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_changed_size_hints_cb(void *data,
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Evas *e __UNUSED__,
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Evas_Object *obj __UNUSED__,
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void *event_info __UNUSED__)
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{
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_sizing_eval(data);
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}
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static Eina_Bool
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_elm_mapbuf_smart_sub_object_del(Evas_Object *obj,
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Evas_Object *sobj)
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{
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ELM_MAPBUF_DATA_GET(obj, sd);
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if (!ELM_WIDGET_CLASS(_elm_mapbuf_parent_sc)->sub_object_del(obj, sobj))
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return EINA_FALSE;
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if (sobj == sd->content)
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{
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evas_object_data_del(sobj, "_elm_leaveme");
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evas_object_smart_member_del(sobj);
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evas_object_clip_unset(sobj);
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evas_object_event_callback_del_full
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(sobj, EVAS_CALLBACK_CHANGED_SIZE_HINTS, _changed_size_hints_cb,
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obj);
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sd->content = NULL;
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_sizing_eval(obj);
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}
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return EINA_TRUE;
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}
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static void
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_mapbuf(Evas_Object *obj)
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{
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Evas_Coord x, y, w, h;
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ELM_MAPBUF_DATA_GET(obj, sd);
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evas_object_geometry_get(ELM_WIDGET_DATA(sd)->resize_obj, &x, &y, &w, &h);
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if (sd->enabled)
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{
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Evas_Map *m;
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m = evas_map_new(4);
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evas_map_util_points_populate_from_geometry(m, x, y, w, h, 0);
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evas_map_smooth_set(m, sd->smooth);
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evas_map_alpha_set(m, sd->alpha);
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evas_object_map_set(sd->content, m);
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evas_object_map_enable_set(sd->content, EINA_TRUE);
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evas_map_free(m);
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}
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else
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{
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evas_object_map_set(sd->content, NULL);
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evas_object_map_enable_set(sd->content, EINA_FALSE);
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evas_object_move(sd->content, x, y);
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evas_object_resize(sd->content, w, h);
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}
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}
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static void
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_configure(Evas_Object *obj)
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{
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ELM_MAPBUF_DATA_GET(obj, sd);
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if (sd->content)
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{
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Evas_Coord x, y, w, h, x2, y2;
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evas_object_geometry_get
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(ELM_WIDGET_DATA(sd)->resize_obj, &x, &y, &w, &h);
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evas_object_geometry_get(sd->content, &x2, &y2, NULL, NULL);
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if ((x != x2) || (y != y2))
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{
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if (!sd->enabled)
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evas_object_move(sd->content, x, y);
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else
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{
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Evas *e = evas_object_evas_get(obj);
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evas_smart_objects_calculate(e);
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evas_nochange_push(e);
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evas_object_move(sd->content, x, y);
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evas_smart_objects_calculate(e);
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evas_nochange_pop(e);
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}
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}
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evas_object_resize(sd->content, w, h);
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_mapbuf(obj);
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}
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}
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static void
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_elm_mapbuf_smart_move(Evas_Object *obj,
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Evas_Coord x,
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Evas_Coord y)
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{
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ELM_WIDGET_CLASS(_elm_mapbuf_parent_sc)->base.move(obj, x, y);
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_configure(obj);
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}
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static void
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_elm_mapbuf_smart_resize(Evas_Object *obj,
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Evas_Coord x,
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Evas_Coord y)
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{
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ELM_WIDGET_CLASS(_elm_mapbuf_parent_sc)->base.resize(obj, x, y);
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_configure(obj);
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}
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static Eina_Bool
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_elm_mapbuf_smart_content_set(Evas_Object *obj,
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const char *part,
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Evas_Object *content)
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{
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ELM_MAPBUF_DATA_GET(obj, sd);
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if (part && strcmp(part, "default")) return EINA_FALSE;
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if (sd->content == content) return EINA_TRUE;
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if (sd->content) evas_object_del(sd->content);
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sd->content = content;
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if (content)
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{
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evas_object_data_set(content, "_elm_leaveme", (void *)1);
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elm_widget_sub_object_add(obj, content);
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evas_object_smart_member_add(content, obj);
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evas_object_clip_set(content, ELM_WIDGET_DATA(sd)->resize_obj);
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evas_object_color_set
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(ELM_WIDGET_DATA(sd)->resize_obj, 255, 255, 255, 255);
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evas_object_event_callback_add
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(content, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
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_changed_size_hints_cb, obj);
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}
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else
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evas_object_color_set(ELM_WIDGET_DATA(sd)->resize_obj, 0, 0, 0, 0);
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_sizing_eval(obj);
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_configure(obj);
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return EINA_TRUE;
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}
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static Evas_Object *
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_elm_mapbuf_smart_content_get(const Evas_Object *obj,
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const char *part)
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{
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ELM_MAPBUF_DATA_GET(obj, sd);
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if (part && strcmp(part, "default")) return NULL;
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return sd->content;
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}
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static Evas_Object *
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_elm_mapbuf_smart_content_unset(Evas_Object *obj,
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const char *part)
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{
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Evas_Object *content;
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ELM_MAPBUF_DATA_GET(obj, sd);
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if (part && strcmp(part, "default")) return NULL;
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if (!sd->content) return NULL;
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content = sd->content;
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elm_widget_sub_object_del(obj, content);
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evas_object_smart_member_del(content);
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evas_object_data_del(content, "_elm_leaveme");
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evas_object_color_set(ELM_WIDGET_DATA(sd)->resize_obj, 0, 0, 0, 0);
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return content;
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}
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static void
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_elm_mapbuf_smart_add(Evas_Object *obj)
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{
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EVAS_SMART_DATA_ALLOC(obj, Elm_Mapbuf_Smart_Data);
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ELM_WIDGET_DATA(priv)->resize_obj =
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evas_object_rectangle_add(evas_object_evas_get(obj));
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ELM_WIDGET_CLASS(_elm_mapbuf_parent_sc)->base.add(obj);
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evas_object_static_clip_set(ELM_WIDGET_DATA(priv)->resize_obj, EINA_TRUE);
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evas_object_pass_events_set(ELM_WIDGET_DATA(priv)->resize_obj, EINA_TRUE);
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evas_object_color_set(ELM_WIDGET_DATA(priv)->resize_obj, 0, 0, 0, 0);
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priv->enabled = 0;
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priv->alpha = 1;
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priv->smooth = 1;
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elm_widget_can_focus_set(obj, EINA_FALSE);
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_sizing_eval(obj);
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}
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static void
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_elm_mapbuf_smart_set_user(Elm_Container_Smart_Class *sc)
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{
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ELM_WIDGET_CLASS(sc)->base.add = _elm_mapbuf_smart_add;
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ELM_WIDGET_CLASS(sc)->base.resize = _elm_mapbuf_smart_resize;
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ELM_WIDGET_CLASS(sc)->base.move = _elm_mapbuf_smart_move;
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ELM_WIDGET_CLASS(sc)->theme = _elm_mapbuf_smart_theme;
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ELM_WIDGET_CLASS(sc)->sub_object_del = _elm_mapbuf_smart_sub_object_del;
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sc->content_set = _elm_mapbuf_smart_content_set;
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sc->content_get = _elm_mapbuf_smart_content_get;
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sc->content_unset = _elm_mapbuf_smart_content_unset;
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}
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EAPI Evas_Object *
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elm_mapbuf_add(Evas_Object *parent)
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{
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Evas *e;
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Evas_Object *obj;
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EINA_SAFETY_ON_NULL_RETURN_VAL(parent, NULL);
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e = evas_object_evas_get(parent);
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if (!e) return NULL;
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obj = evas_object_smart_add(e, _elm_mapbuf_smart_class_new());
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if (!elm_widget_sub_object_add(parent, obj))
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ERR("could not add %p as sub object of %p", obj, parent);
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return obj;
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}
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EAPI void
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elm_mapbuf_enabled_set(Evas_Object *obj,
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Eina_Bool enabled)
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{
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ELM_MAPBUF_CHECK(obj);
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ELM_MAPBUF_DATA_GET(obj, sd);
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if (sd->enabled == enabled) return;
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sd->enabled = enabled;
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if (sd->content) evas_object_static_clip_set(sd->content, sd->enabled);
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_configure(obj);
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}
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EAPI Eina_Bool
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elm_mapbuf_enabled_get(const Evas_Object *obj)
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{
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ELM_MAPBUF_CHECK(obj) EINA_FALSE;
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ELM_MAPBUF_DATA_GET(obj, sd);
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return sd->enabled;
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}
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EAPI void
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elm_mapbuf_smooth_set(Evas_Object *obj,
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Eina_Bool smooth)
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{
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ELM_MAPBUF_CHECK(obj);
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ELM_MAPBUF_DATA_GET(obj, sd);
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if (sd->smooth == smooth) return;
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sd->smooth = smooth;
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_configure(obj);
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}
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EAPI Eina_Bool
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elm_mapbuf_smooth_get(const Evas_Object *obj)
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{
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ELM_MAPBUF_CHECK(obj) EINA_FALSE;
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ELM_MAPBUF_DATA_GET(obj, sd);
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return sd->smooth;
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}
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EAPI void
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elm_mapbuf_alpha_set(Evas_Object *obj,
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Eina_Bool alpha)
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{
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ELM_MAPBUF_CHECK(obj);
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ELM_MAPBUF_DATA_GET(obj, sd);
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if (sd->alpha == alpha) return;
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sd->alpha = alpha;
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_configure(obj);
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}
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EAPI Eina_Bool
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elm_mapbuf_alpha_get(const Evas_Object *obj)
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{
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ELM_MAPBUF_CHECK(obj) EINA_FALSE;
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ELM_MAPBUF_DATA_GET(obj, sd);
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return sd->alpha;
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}
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