328 lines
8.5 KiB
C
328 lines
8.5 KiB
C
#include <Elementary.h>
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#include "elm_priv.h"
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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 *base, *rect, *img, *overlay;
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const char *file, *group;
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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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static const char *widtype = NULL;
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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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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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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 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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/* grab image size */
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evas_object_image_size_get(wd->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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/* set some defaults */
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nx = bx;
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ny = by;
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nw = bw;
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nh = bh;
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switch (wd->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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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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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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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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}
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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_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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}
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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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{
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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 (wd->overlay)
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{
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evas_object_del(wd->overlay);
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wd->overlay = NULL;
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}
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if (content)
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{
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wd->overlay = content;
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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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}
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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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{
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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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}
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static Evas_Object *
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_content_unset_hook(Evas_Object *obj, const char *part)
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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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}
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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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ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, 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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elm_widget_can_focus_set(obj, EINA_FALSE);
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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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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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{
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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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if (wd->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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}
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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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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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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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}
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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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}
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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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}
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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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{
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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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return;
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}
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EAPI void
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elm_bg_option_set(Evas_Object *obj, Elm_Bg_Option option)
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{
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ELM_CHECK_WIDTYPE(obj, widtype);
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Widget_Data *wd;
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wd = elm_widget_data_get(obj);
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wd->option = option;
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_custom_resize(wd, NULL, NULL, NULL);
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return;
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}
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EAPI Elm_Bg_Option
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elm_bg_option_get(const Evas_Object *obj)
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{
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ELM_CHECK_WIDTYPE(obj, widtype) ELM_BG_OPTION_LAST;
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Widget_Data *wd;
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wd = elm_widget_data_get(obj);
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return wd->option;
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}
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EAPI void
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elm_bg_color_set(Evas_Object *obj, int r, int g, int b)
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{
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ELM_CHECK_WIDTYPE(obj, widtype);
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Widget_Data *wd;
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wd = elm_widget_data_get(obj);
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if (!wd->rect)
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{
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wd->rect = evas_object_rectangle_add(evas_object_evas_get(wd->base));
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edje_object_part_swallow(wd->base, "elm.swallow.rectangle", wd->rect);
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elm_widget_sub_object_add(obj, wd->rect);
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_custom_resize(wd, NULL, NULL, NULL);
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}
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evas_object_color_set(wd->rect, r, g, b, 255);
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return;
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}
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EAPI void
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elm_bg_color_get(const Evas_Object *obj, int *r, int *g, int *b)
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{
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ELM_CHECK_WIDTYPE(obj, widtype);
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Widget_Data *wd;
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wd = elm_widget_data_get(obj);
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evas_object_color_get(wd->rect, r, g, b, NULL);
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return;
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}
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EAPI void
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elm_bg_load_size_set(Evas_Object *obj, Evas_Coord w, Evas_Coord 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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const char *p;
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if (!wd) return;
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wd->load_opts.w = w;
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wd->load_opts.h = h;
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if (!wd->img) return;
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if (!(((p = strrchr(wd->file, '.'))) && (!strcasecmp(p, ".edj"))))
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evas_object_image_load_size_set(wd->img, w, h);
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return;
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}
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