forked from enlightenment/efl
[Elm] Elm bg now happily inherits from elm
layout. SVN revision: 70709
This commit is contained in:
Gustavo Lima Chaves
parent
f4e29b50ee
commit
8723fd9e76
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@ -1,75 +1,90 @@
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#include <Elementary.h>
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#include "elm_priv.h"
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#include "elm_widget_layout.h"
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typedef struct _Widget_Data Widget_Data;
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static const char BG_SMART_NAME[] = "elm_bg";
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struct _Widget_Data
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typedef struct _Elm_Bg_Smart_Data Elm_Bg_Smart_Data;
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struct _Elm_Bg_Smart_Data
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{
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Evas_Object *base, *rect, *img, *overlay;
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const char *file, *group;
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Elm_Bg_Option option;
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Elm_Layout_Smart_Data base;
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/* the basic background's edje object has three swallow spots, namely:
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* - "elm.swallow.rectangle" (elm_bg_color_set),
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* - "elm.swallow.background" (elm_bg_file_set) and
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* - "elm.swallow.content" (elm_bg_overlay_set).
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* the following three variables hold possible content to fit in each
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* of them, respectively. */
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Evas_Object *rect, *img;
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const char *file, *group; /* path to file and group name
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* to give life to "img" */
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Elm_Bg_Option option;
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struct
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{
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Evas_Coord w, h;
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} load_opts;
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{
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Evas_Coord w, h;
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} load_opts;
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};
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static const char *widtype = NULL;
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#define ELM_BG_DATA_GET(o, sd) \
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Elm_Bg_Smart_Data * sd = evas_object_smart_data_get(o)
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static void _del_hook(Evas_Object *obj);
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static void _theme_hook(Evas_Object *obj);
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static void _custom_resize(void *data, Evas *a, Evas_Object *obj, void *event_info);
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static void _content_set_hook(Evas_Object *obj, const char *part, Evas_Object *content);
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static Evas_Object *_content_get_hook(const Evas_Object *obj, const char *part);
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static Evas_Object *_content_unset_hook(Evas_Object *obj, const char *part);
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#define ELM_BG_DATA_GET_OR_RETURN(o, ptr) \
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ELM_BG_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_BG_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
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ELM_BG_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_BG_CHECK(obj) \
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if (!obj || !elm_widget_type_check((obj), BG_SMART_NAME, __func__)) \
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return
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static const Elm_Layout_Part_Alias_Description _content_aliases[] =
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{
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{"overlay", "elm.swallow.content"},
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{NULL, NULL}
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};
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/* Inheriting from elm_layout. Besides, we need no more than what is
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* there */
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EVAS_SMART_SUBCLASS_NEW
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(BG_SMART_NAME, _elm_bg, Elm_Layout_Smart_Class, Elm_Layout_Smart_Class,
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elm_layout_smart_class_get, NULL);
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static void
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_del_hook(Evas_Object *obj)
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_elm_bg_smart_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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free(wd);
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}
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static void
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_theme_hook(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 w, h;
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_elm_theme_object_set(obj, wd->base, "bg", "base",
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elm_widget_style_get(obj));
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if (wd->rect)
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edje_object_part_swallow(wd->base, "elm.swallow.rectangle", wd->rect);
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if (wd->img)
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edje_object_part_swallow(wd->base, "elm.swallow.background", wd->img);
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if (wd->overlay)
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edje_object_part_swallow(wd->base, "elm.swallow.content", wd->overlay);
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// FIXME: if i don't do this, bg doesnt calc correctly. why?
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evas_object_geometry_get(wd->base, NULL, NULL, &w, &h);
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evas_object_resize(wd->base, w, h);
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}
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static void
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_custom_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
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{
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Widget_Data *wd = data;
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Evas_Coord bx = 0, by = 0, bw = 0, bh = 0;
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Evas_Coord iw = 0, ih = 0, mw = -1, mh = -1;
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Evas_Coord bx = 0, by = 0, bw = 0, bh = 0;
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Evas_Coord fx = 0, fy = 0, fw = 0, fh = 0;
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Evas_Coord nx = 0, ny = 0, nw = 0, nh = 0;
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const char *p;
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if ((!wd->img) || (!wd->file)) return;
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if (((p = strrchr(wd->file, '.'))) && (!strcasecmp(p, ".edj"))) return;
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ELM_BG_DATA_GET(obj, sd);
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if ((!sd->img) || (!sd->file)) return;
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if (((p = strrchr(sd->file, '.'))) && (!strcasecmp(p, ".edj"))) return;
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/* grab image size */
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evas_object_image_size_get(wd->img, &iw, &ih);
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evas_object_image_size_get(sd->img, &iw, &ih);
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if ((iw < 1) || (ih < 1)) return;
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/* grab base object dimensions */
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evas_object_geometry_get(wd->base, &bx, &by, &bw, &bh);
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evas_object_geometry_get
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(ELM_WIDGET_DATA(sd)->resize_obj, &bx, &by, &bw, &bh);
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/* set some defaults */
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nx = bx;
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@ -77,248 +92,246 @@ _custom_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void
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nw = bw;
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nh = bh;
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switch (wd->option)
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switch (sd->option)
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{
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case ELM_BG_OPTION_CENTER:
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fw = nw = iw;
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fh = nh = ih;
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nx = ((bw - fw) / 2);
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ny = ((bh - fh) / 2);
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mw = iw;
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mh = ih;
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break;
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fw = nw = iw;
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fh = nh = ih;
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nx = ((bw - fw) / 2);
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ny = ((bh - fh) / 2);
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mw = iw;
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mh = ih;
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break;
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case ELM_BG_OPTION_SCALE:
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fw = bw;
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fh = ((ih * fw) / iw);
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if (fh < bh)
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{
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fh = bh;
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fw = ((iw * fh) / ih);
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}
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fx = ((bw - fw) / 2);
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fy = ((bh - fh) / 2);
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break;
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fw = bw;
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fh = ((ih * fw) / iw);
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if (fh < bh)
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{
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fh = bh;
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fw = ((iw * fh) / ih);
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}
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fx = ((bw - fw) / 2);
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fy = ((bh - fh) / 2);
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break;
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case ELM_BG_OPTION_TILE:
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fw = iw;
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fh = ih;
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break;
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fw = iw;
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fh = ih;
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break;
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case ELM_BG_OPTION_STRETCH:
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default:
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fw = bw;
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fh = bh;
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break;
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fw = bw;
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fh = bh;
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break;
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}
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evas_object_move(wd->img, nx, ny);
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evas_object_resize(wd->img, nw, nh);
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evas_object_image_fill_set(wd->img, fx, fy, fw, fh);
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evas_object_move(sd->img, nx, ny);
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evas_object_resize(sd->img, nw, nh);
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evas_object_image_fill_set(sd->img, fx, fy, fw, fh);
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evas_object_size_hint_min_set(wd->img, mw, mh);
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evas_object_size_hint_max_set(wd->img, mw, mh);
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evas_object_size_hint_min_set(sd->img, mw, mh);
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evas_object_size_hint_max_set(sd->img, mw, mh);
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}
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static void
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_content_set_hook(Evas_Object *obj, const char *part, Evas_Object *content)
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_on_resize(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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ELM_CHECK_WIDTYPE(obj, widtype);
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Widget_Data *wd;
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if (part && strcmp(part, "overlay")) return;
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wd = elm_widget_data_get(obj);
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if (!wd) return;
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if (content == wd->overlay) return;
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if (wd->overlay) evas_object_del(wd->overlay);
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wd->overlay = content;
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if (content)
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{
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edje_object_part_swallow(wd->base, "elm.swallow.content", content);
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elm_widget_sub_object_add(obj, content);
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}
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_custom_resize(wd, NULL, NULL, NULL);
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elm_layout_sizing_eval(data);
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}
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static Evas_Object *
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_content_get_hook(const Evas_Object *obj, const char *part)
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static void
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_elm_bg_smart_add(Evas_Object *obj)
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{
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ELM_CHECK_WIDTYPE(obj, widtype) NULL;
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Widget_Data *wd;
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if (part && strcmp(part, "overlay")) return NULL;
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wd = elm_widget_data_get(obj);
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if (!wd) return NULL;
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return wd->overlay;
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EVAS_SMART_DATA_ALLOC(obj, Elm_Bg_Smart_Data);
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ELM_WIDGET_CLASS(_elm_bg_parent_sc)->base.add(obj);
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elm_widget_can_focus_set(obj, EINA_FALSE);
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priv->option = ELM_BG_OPTION_SCALE;
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evas_object_event_callback_add(obj, EVAS_CALLBACK_RESIZE, _on_resize, obj);
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elm_layout_theme_set(obj, "bg", "base", elm_widget_style_get(obj));
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}
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static Evas_Object *
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_content_unset_hook(Evas_Object *obj, const char *part)
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static void
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_elm_bg_smart_set_user(Elm_Layout_Smart_Class *sc)
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{
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ELM_CHECK_WIDTYPE(obj, widtype) NULL;
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Widget_Data *wd;
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Evas_Object *overlay;
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if (part && strcmp(part, "overlay")) return NULL;
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wd = elm_widget_data_get(obj);
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if (!wd || !wd->overlay) return NULL;
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overlay = wd->overlay;
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elm_widget_sub_object_del(obj, wd->overlay);
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edje_object_part_unswallow(wd->base, wd->overlay);
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wd->overlay = NULL;
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_custom_resize(wd, NULL, NULL, NULL);
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return overlay;
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ELM_WIDGET_CLASS(sc)->base.add = _elm_bg_smart_add;
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sc->sizing_eval = _elm_bg_smart_sizing_eval;
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sc->content_aliases = _content_aliases;
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}
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EAPI Evas_Object *
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elm_bg_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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Evas_Object *obj;
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ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
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EINA_SAFETY_ON_NULL_RETURN_VAL(parent, NULL);
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ELM_SET_WIDTYPE(widtype, "bg");
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elm_widget_type_set(obj, "bg");
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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_theme_hook_set(obj, _theme_hook);
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elm_widget_content_set_hook_set(obj, _content_set_hook);
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elm_widget_content_get_hook_set(obj, _content_get_hook);
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elm_widget_content_unset_hook_set(obj, _content_unset_hook);
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e = evas_object_evas_get(parent);
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if (!e) return NULL;
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elm_widget_can_focus_set(obj, EINA_FALSE);
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obj = evas_object_smart_add(e, _elm_bg_smart_class_new());
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wd->base = edje_object_add(e);
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_elm_theme_object_set(obj, wd->base, "bg", "base", "default");
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elm_widget_resize_object_set(obj, wd->base);
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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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evas_object_event_callback_add(wd->base, EVAS_CALLBACK_RESIZE,
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_custom_resize, wd);
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wd->option = ELM_BG_OPTION_SCALE;
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return obj;
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}
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EAPI Eina_Bool
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elm_bg_file_set(Evas_Object *obj, const char *file, const char *group)
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elm_bg_file_set(Evas_Object *obj,
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const char *file,
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const char *group)
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{
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ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
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Widget_Data *wd = elm_widget_data_get(obj);
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const char *p;
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ELM_BG_CHECK(obj) EINA_FALSE;
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ELM_BG_DATA_GET_OR_RETURN_VAL(obj, sd, EINA_FALSE);
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if (wd->img)
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const char *p;
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Eina_Bool ret;
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if (sd->img)
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{
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evas_object_del(wd->img);
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wd->img = NULL;
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evas_object_del(sd->img);
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sd->img = NULL;
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}
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if (!file)
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{
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eina_stringshare_del(wd->file);
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wd->file = NULL;
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eina_stringshare_del(wd->group);
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wd->group = NULL;
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eina_stringshare_del(sd->file);
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sd->file = NULL;
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eina_stringshare_del(sd->group);
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sd->group = NULL;
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return EINA_TRUE;
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}
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eina_stringshare_replace(&wd->file, file);
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eina_stringshare_replace(&wd->group, group);
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eina_stringshare_replace(&sd->file, file);
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eina_stringshare_replace(&sd->group, group);
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if (((p = strrchr(file, '.'))) && (!strcasecmp(p, ".edj")))
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{
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wd->img = edje_object_add(evas_object_evas_get(wd->base));
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edje_object_file_set(wd->img, file, group);
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sd->img = edje_object_add
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(evas_object_evas_get(ELM_WIDGET_DATA(sd)->resize_obj));
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ret = edje_object_file_set(sd->img, file, group);
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}
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else
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{
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wd->img = evas_object_image_add(evas_object_evas_get(wd->base));
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if ((wd->load_opts.w > 0) && (wd->load_opts.h > 0))
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evas_object_image_load_size_set(wd->img, wd->load_opts.w, wd->load_opts.h);
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evas_object_image_file_set(wd->img, file, group);
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int err;
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sd->img = evas_object_image_add
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(evas_object_evas_get(ELM_WIDGET_DATA(sd)->resize_obj));
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if ((sd->load_opts.w > 0) && (sd->load_opts.h > 0))
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evas_object_image_load_size_set
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(sd->img, sd->load_opts.w, sd->load_opts.h);
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evas_object_image_file_set(sd->img, file, group);
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err = evas_object_image_load_error_get(sd->img);
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if (err != EVAS_LOAD_ERROR_NONE)
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{
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ERR("Could not load image '%s': %s\n",
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file, evas_load_error_str(err));
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ret = EINA_FALSE;
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}
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else
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ret = EINA_TRUE;
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}
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evas_object_repeat_events_set(wd->img, EINA_TRUE);
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edje_object_part_swallow(wd->base, "elm.swallow.background", wd->img);
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elm_widget_sub_object_add(obj, wd->img);
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_custom_resize(wd, NULL, NULL, NULL);
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return EINA_TRUE;
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evas_object_repeat_events_set(sd->img, EINA_TRUE);
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ret &= elm_layout_content_set(obj, "elm.swallow.background", sd->img);
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elm_layout_sizing_eval(obj);
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return ret;
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}
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EAPI void
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elm_bg_file_get(const Evas_Object *obj, const char **file, const char **group)
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elm_bg_file_get(const Evas_Object *obj,
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const char **file,
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const char **group)
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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 (file) *file = wd->file;
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if (group) *group = wd->group;
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ELM_BG_CHECK(obj);
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ELM_BG_DATA_GET_OR_RETURN(obj, sd);
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return;
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if (file) *file = sd->file;
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if (group) *group = sd->group;
|
||||
}
|
||||
|
||||
EAPI void
|
||||
elm_bg_option_set(Evas_Object *obj, Elm_Bg_Option option)
|
||||
elm_bg_option_set(Evas_Object *obj,
|
||||
Elm_Bg_Option option)
|
||||
{
|
||||
ELM_CHECK_WIDTYPE(obj, widtype);
|
||||
Widget_Data *wd;
|
||||
ELM_BG_CHECK(obj);
|
||||
ELM_BG_DATA_GET_OR_RETURN(obj, sd);
|
||||
|
||||
wd = elm_widget_data_get(obj);
|
||||
wd->option = option;
|
||||
_custom_resize(wd, NULL, NULL, NULL);
|
||||
sd->option = option;
|
||||
|
||||
return;
|
||||
elm_layout_sizing_eval(obj);
|
||||
}
|
||||
|
||||
EAPI Elm_Bg_Option
|
||||
elm_bg_option_get(const Evas_Object *obj)
|
||||
{
|
||||
ELM_CHECK_WIDTYPE(obj, widtype) ELM_BG_OPTION_LAST;
|
||||
Widget_Data *wd;
|
||||
ELM_BG_CHECK(obj) EINA_FALSE;
|
||||
ELM_BG_DATA_GET_OR_RETURN_VAL(obj, sd, ELM_BG_OPTION_LAST);
|
||||
|
||||
wd = elm_widget_data_get(obj);
|
||||
return wd->option;
|
||||
return sd->option;
|
||||
}
|
||||
|
||||
EAPI void
|
||||
elm_bg_color_set(Evas_Object *obj, int r, int g, int b)
|
||||
elm_bg_color_set(Evas_Object *obj,
|
||||
int r,
|
||||
int g,
|
||||
int b)
|
||||
{
|
||||
ELM_CHECK_WIDTYPE(obj, widtype);
|
||||
Widget_Data *wd;
|
||||
ELM_BG_CHECK(obj);
|
||||
ELM_BG_DATA_GET_OR_RETURN(obj, sd);
|
||||
|
||||
wd = elm_widget_data_get(obj);
|
||||
if (!wd->rect)
|
||||
if (!sd->rect)
|
||||
{
|
||||
wd->rect = evas_object_rectangle_add(evas_object_evas_get(wd->base));
|
||||
edje_object_part_swallow(wd->base, "elm.swallow.rectangle", wd->rect);
|
||||
elm_widget_sub_object_add(obj, wd->rect);
|
||||
_custom_resize(wd, NULL, NULL, NULL);
|
||||
sd->rect = evas_object_rectangle_add
|
||||
(evas_object_evas_get(ELM_WIDGET_DATA(sd)->resize_obj));
|
||||
|
||||
elm_layout_content_set(obj, "elm.swallow.rectangle", sd->rect);
|
||||
|
||||
elm_layout_sizing_eval(obj);
|
||||
}
|
||||
evas_object_color_set(wd->rect, r, g, b, 255);
|
||||
|
||||
return;
|
||||
evas_object_color_set(sd->rect, r, g, b, 255);
|
||||
}
|
||||
|
||||
EAPI void
|
||||
elm_bg_color_get(const Evas_Object *obj, int *r, int *g, int *b)
|
||||
elm_bg_color_get(const Evas_Object *obj,
|
||||
int *r,
|
||||
int *g,
|
||||
int *b)
|
||||
{
|
||||
ELM_CHECK_WIDTYPE(obj, widtype);
|
||||
Widget_Data *wd;
|
||||
ELM_BG_CHECK(obj);
|
||||
ELM_BG_DATA_GET_OR_RETURN(obj, sd);
|
||||
|
||||
wd = elm_widget_data_get(obj);
|
||||
evas_object_color_get(wd->rect, r, g, b, NULL);
|
||||
|
||||
return;
|
||||
evas_object_color_get(sd->rect, r, g, b, NULL);
|
||||
}
|
||||
|
||||
EAPI void
|
||||
elm_bg_load_size_set(Evas_Object *obj, Evas_Coord w, Evas_Coord h)
|
||||
elm_bg_load_size_set(Evas_Object *obj,
|
||||
Evas_Coord w,
|
||||
Evas_Coord h)
|
||||
{
|
||||
ELM_CHECK_WIDTYPE(obj, widtype);
|
||||
Widget_Data *wd = elm_widget_data_get(obj);
|
||||
ELM_BG_CHECK(obj);
|
||||
ELM_BG_DATA_GET_OR_RETURN(obj, sd);
|
||||
const char *p;
|
||||
if (!wd) return;
|
||||
wd->load_opts.w = w;
|
||||
wd->load_opts.h = h;
|
||||
if (!wd->img) return;
|
||||
if (!(((p = strrchr(wd->file, '.'))) && (!strcasecmp(p, ".edj"))))
|
||||
evas_object_image_load_size_set(wd->img, w, h);
|
||||
|
||||
return;
|
||||
sd->load_opts.w = w;
|
||||
sd->load_opts.h = h;
|
||||
if (!sd->img) return;
|
||||
|
||||
if (!(((p = strrchr(sd->file, '.'))) && (!strcasecmp(p, ".edj"))))
|
||||
evas_object_image_load_size_set(sd->img, w, h);
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/**
|
||||
* @defgroup Bg Bg
|
||||
* @defgroup Bg Background
|
||||
* @ingroup Elementary
|
||||
*
|
||||
* @image html img/widget/bg/preview-00.png
|
||||
|
|
@ -14,8 +14,11 @@
|
|||
* properties useful to a background, like setting it to tiled,
|
||||
* centered, scaled or stretched.
|
||||
*
|
||||
* This widget inherits from the @ref Layout one, so that all the
|
||||
* functions acting on it also work for background objects.
|
||||
*
|
||||
* Default content parts of the bg widget that you can use for are:
|
||||
* @li "overlay" - overlay of the bg
|
||||
* @li @c "overlay" - overlay of the bg
|
||||
*
|
||||
* Supported elm_object common APIs.
|
||||
* @li @ref elm_object_part_content_set
|
||||
|
|
|
|||
Loading…
Reference in New Issue