417 lines
11 KiB
C
417 lines
11 KiB
C
#ifdef HAVE_CONFIG_H
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# include "elementary_config.h"
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#endif
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#include <Elementary.h>
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#include "elm_priv.h"
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#include "elm_widget_bg.h"
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#include "elm_widget_layout.h"
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EAPI Eo_Op ELM_OBJ_BG_BASE_ID = EO_NOOP;
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#define MY_CLASS ELM_OBJ_BG_CLASS
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#define MY_CLASS_NAME "elm_bg"
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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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static void
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_elm_bg_smart_sizing_eval(Eo *obj, void *_pd, va_list *list EINA_UNUSED)
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{
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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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Elm_Bg_Smart_Data *sd = _pd;
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Elm_Widget_Smart_Data *wd = eo_data_scope_get(obj, ELM_OBJ_WIDGET_CLASS);
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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(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
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(wd->resize_obj, &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 (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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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(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(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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_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_layout_sizing_eval(data);
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}
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static void
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_elm_bg_smart_add(Eo *obj, void *_pd, va_list *list EINA_UNUSED)
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{
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Elm_Bg_Smart_Data *priv = _pd;
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eo_do_super(obj, MY_CLASS, evas_obj_smart_add());
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elm_widget_sub_object_add(eo_parent_get(obj), 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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if (!elm_layout_theme_set(obj, "bg", "base", elm_widget_style_get(obj)))
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CRITICAL("Failed to set layout!");
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}
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static void
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_elm_bg_smart_content_aliases_get(Eo *obj EINA_UNUSED, void *_pd EINA_UNUSED, va_list *list)
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{
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const Elm_Layout_Part_Alias_Description **aliases = va_arg(*list, const Elm_Layout_Part_Alias_Description **);
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*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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EINA_SAFETY_ON_NULL_RETURN_VAL(parent, NULL);
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Evas_Object *obj = eo_add(MY_CLASS, parent);
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eo_unref(obj);
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return obj;
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}
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static void
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_constructor(Eo *obj, void *_pd EINA_UNUSED, va_list *list EINA_UNUSED)
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{
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eo_do_super(obj, MY_CLASS, eo_constructor());
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eo_do(obj, evas_obj_type_set(MY_CLASS_NAME));
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}
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static void
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_elm_bg_file_reload(void *data, Evas_Object *obj,
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const char *emission __UNUSED__,
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const char *source __UNUSED__)
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{
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Evas_Object *bg = data;
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const char *file;
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const char *group;
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edje_object_file_get(obj, &file, &group);
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elm_bg_file_set(bg, file, group);
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}
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EAPI Eina_Bool
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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_BG_CHECK(obj) EINA_FALSE;
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Eina_Bool ret = EINA_FALSE;
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eo_do(obj, elm_obj_bg_file_set(file, group, &ret));
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return ret;
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}
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static void
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_file_set(Eo *obj, void *_pd, va_list *list)
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{
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const char *file = va_arg(*list, const char *);
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const char *group = va_arg(*list, const char *);
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Eina_Bool *ret = va_arg(*list, Eina_Bool *);
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Elm_Bg_Smart_Data *sd = _pd;
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Elm_Widget_Smart_Data *wd = eo_data_scope_get(obj, ELM_OBJ_WIDGET_CLASS);
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const char *p;
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Eina_Bool int_ret;
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if (sd->img)
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{
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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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ELM_SAFE_FREE(sd->file, eina_stringshare_del);
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ELM_SAFE_FREE(sd->group, eina_stringshare_del);
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if (ret) *ret = EINA_TRUE;
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return;
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}
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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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sd->img = edje_object_add
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(evas_object_evas_get(wd->resize_obj));
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int_ret = edje_object_file_set(sd->img, file, group);
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edje_object_signal_callback_del
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(sd->img, "edje,change,file", "edje", _elm_bg_file_reload);
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edje_object_signal_callback_add
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(sd->img, "edje,change,file", "edje", _elm_bg_file_reload, obj);
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}
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else
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{
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int err;
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sd->img = evas_object_image_add
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(evas_object_evas_get(wd->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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int_ret = EINA_FALSE;
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}
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else
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int_ret = EINA_TRUE;
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}
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evas_object_repeat_events_set(sd->img, EINA_TRUE);
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int_ret &= elm_layout_content_set(obj, "elm.swallow.background", sd->img);
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elm_layout_sizing_eval(obj);
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if (ret) *ret = int_ret;
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}
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EAPI void
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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_BG_CHECK(obj);
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eo_do((Eo *) obj, elm_obj_bg_file_get(file, group));
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}
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static void
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_file_get(Eo *obj EINA_UNUSED, void *_pd, va_list *list)
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{
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const char **file = va_arg(*list, const char **);
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const char **group = va_arg(*list, const char **);
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Elm_Bg_Smart_Data *sd = _pd;
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if (file) *file = sd->file;
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if (group) *group = sd->group;
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}
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EAPI void
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elm_bg_option_set(Evas_Object *obj,
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Elm_Bg_Option option)
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{
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ELM_BG_CHECK(obj);
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eo_do(obj, elm_obj_bg_option_set(option));
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}
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static void
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_option_set(Eo *obj, void *_pd, va_list *list)
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{
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Elm_Bg_Option option = va_arg(*list, Elm_Bg_Option);
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Elm_Bg_Smart_Data *sd = _pd;
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sd->option = option;
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elm_layout_sizing_eval(obj);
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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_BG_CHECK(obj) ELM_BG_OPTION_LAST;
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Elm_Bg_Option ret = ELM_BG_OPTION_LAST;
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eo_do((Eo *) obj, elm_obj_bg_option_get(&ret));
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return ret;
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}
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static void
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_option_get(Eo *obj EINA_UNUSED, void *_pd, va_list *list)
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{
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Elm_Bg_Option *ret = va_arg(*list, Elm_Bg_Option *);
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Elm_Bg_Smart_Data *sd = _pd;
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*ret = sd->option;
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}
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EAPI void
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elm_bg_color_set(Evas_Object *obj,
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int r,
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int g,
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int b)
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{
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ELM_BG_CHECK(obj);
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eo_do(obj, elm_obj_bg_color_set(r, g, b));
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}
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static void
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_color_set(Eo *obj, void *_pd, va_list *list)
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{
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int r = va_arg(*list, int);
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int g = va_arg(*list, int);
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int b = va_arg(*list, int);
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Elm_Bg_Smart_Data *sd = _pd;
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Elm_Widget_Smart_Data *wd = eo_data_scope_get(obj, ELM_OBJ_WIDGET_CLASS);
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if (!sd->rect)
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{
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sd->rect = evas_object_rectangle_add
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(evas_object_evas_get(wd->resize_obj));
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elm_layout_content_set(obj, "elm.swallow.rectangle", sd->rect);
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elm_layout_sizing_eval(obj);
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}
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evas_object_color_set(sd->rect, r, g, b, 255);
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}
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EAPI void
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elm_bg_color_get(const Evas_Object *obj,
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int *r,
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int *g,
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int *b)
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{
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ELM_BG_CHECK(obj);
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eo_do((Eo *) obj, elm_obj_bg_color_get(r, g, b));
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}
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static void
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_color_get(Eo *obj EINA_UNUSED, void *_pd, va_list *list)
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{
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int *r = va_arg(*list, int *);
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int *g = va_arg(*list, int *);
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int *b = va_arg(*list, int *);
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Elm_Bg_Smart_Data *sd = _pd;
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evas_object_color_get(sd->rect, r, g, b, NULL);
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}
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EAPI void
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elm_bg_load_size_set(Evas_Object *obj,
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Evas_Coord w,
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Evas_Coord h)
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{
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ELM_BG_CHECK(obj);
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eo_do(obj, elm_obj_bg_load_size_set(w, h));
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}
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static void
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_load_size_set(Eo *obj EINA_UNUSED, void *_pd, va_list *list)
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{
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Evas_Coord w = va_arg(*list, Evas_Coord);
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Evas_Coord h = va_arg(*list, Evas_Coord);
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Elm_Bg_Smart_Data *sd = _pd;
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const char *p;
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sd->load_opts.w = w;
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sd->load_opts.h = h;
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if (!sd->img) return;
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if (!(((p = strrchr(sd->file, '.'))) && (!strcasecmp(p, ".edj"))))
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evas_object_image_load_size_set(sd->img, w, h);
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}
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static void
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_class_constructor(Eo_Class *klass)
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{
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const Eo_Op_Func_Description func_desc[] = {
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EO_OP_FUNC(EO_BASE_ID(EO_BASE_SUB_ID_CONSTRUCTOR), _constructor),
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EO_OP_FUNC(EVAS_OBJ_SMART_ID(EVAS_OBJ_SMART_SUB_ID_ADD), _elm_bg_smart_add),
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EO_OP_FUNC(ELM_OBJ_LAYOUT_ID(ELM_OBJ_LAYOUT_SUB_ID_SIZING_EVAL), _elm_bg_smart_sizing_eval),
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EO_OP_FUNC(ELM_OBJ_LAYOUT_ID(ELM_OBJ_LAYOUT_SUB_ID_CONTENT_ALIASES_GET), _elm_bg_smart_content_aliases_get),
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EO_OP_FUNC(ELM_OBJ_BG_ID(ELM_OBJ_BG_SUB_ID_FILE_SET), _file_set),
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EO_OP_FUNC(ELM_OBJ_BG_ID(ELM_OBJ_BG_SUB_ID_FILE_GET), _file_get),
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EO_OP_FUNC(ELM_OBJ_BG_ID(ELM_OBJ_BG_SUB_ID_OPTION_SET), _option_set),
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EO_OP_FUNC(ELM_OBJ_BG_ID(ELM_OBJ_BG_SUB_ID_OPTION_GET), _option_get),
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EO_OP_FUNC(ELM_OBJ_BG_ID(ELM_OBJ_BG_SUB_ID_COLOR_SET), _color_set),
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EO_OP_FUNC(ELM_OBJ_BG_ID(ELM_OBJ_BG_SUB_ID_COLOR_GET), _color_get),
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EO_OP_FUNC(ELM_OBJ_BG_ID(ELM_OBJ_BG_SUB_ID_LOAD_SIZE_SET), _load_size_set),
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EO_OP_FUNC_SENTINEL
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};
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eo_class_funcs_set(klass, func_desc);
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evas_smart_legacy_type_register(MY_CLASS_NAME, klass);
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}
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static const Eo_Op_Description op_desc[] = {
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EO_OP_DESCRIPTION(ELM_OBJ_BG_SUB_ID_FILE_SET, "Set the file (image or edje collection) to give life for the background."),
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EO_OP_DESCRIPTION(ELM_OBJ_BG_SUB_ID_FILE_GET, "Get the file (image or edje collection) set on a given background."),
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EO_OP_DESCRIPTION(ELM_OBJ_BG_SUB_ID_OPTION_SET, "Set the mode of display for a given background widget's image."),
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EO_OP_DESCRIPTION(ELM_OBJ_BG_SUB_ID_OPTION_GET, "Get the mode of display for a given background widget's image."),
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EO_OP_DESCRIPTION(ELM_OBJ_BG_SUB_ID_COLOR_SET, "Set the color on a given background widget."),
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EO_OP_DESCRIPTION(ELM_OBJ_BG_SUB_ID_COLOR_GET, "Get the color set on a given background widget."),
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EO_OP_DESCRIPTION(ELM_OBJ_BG_SUB_ID_LOAD_SIZE_SET, "Set the size of the pixmap representation of the image set on a given background widget."),
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EO_OP_DESCRIPTION_SENTINEL
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};
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static const Eo_Class_Description class_desc = {
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EO_VERSION,
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MY_CLASS_NAME,
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EO_CLASS_TYPE_REGULAR,
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EO_CLASS_DESCRIPTION_OPS(&ELM_OBJ_BG_BASE_ID, op_desc, ELM_OBJ_BG_SUB_ID_LAST),
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NULL,
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sizeof(Elm_Bg_Smart_Data),
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_class_constructor,
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NULL
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};
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EO_DEFINE_CLASS(elm_obj_bg_class_get, &class_desc, ELM_OBJ_LAYOUT_CLASS, NULL);
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