146 lines
3.9 KiB
C
146 lines
3.9 KiB
C
#include <string.h>
|
|
|
|
#include <Elementary.h>
|
|
#include "elm_priv.h"
|
|
|
|
/**
|
|
* @defgroup Bg Bg
|
|
*
|
|
* The bg object is used for setting a solid background to a window or packing
|
|
* into any container object.
|
|
*/
|
|
|
|
typedef struct _Widget_Data Widget_Data;
|
|
|
|
struct _Widget_Data
|
|
{
|
|
Evas_Object *img, *custom_img;
|
|
const char *file, *group;
|
|
};
|
|
|
|
static const char *widtype = NULL;
|
|
static void _del_hook(Evas_Object *obj);
|
|
static void _theme_hook(Evas_Object *obj);
|
|
static void _custom_resize(void *data, Evas *a, Evas_Object *obj, void *event_info);
|
|
|
|
static void
|
|
_del_hook(Evas_Object *obj)
|
|
{
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
free(wd);
|
|
}
|
|
|
|
static void
|
|
_theme_hook(Evas_Object *obj)
|
|
{
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
Evas_Coord w, h;
|
|
_elm_theme_object_set(obj, wd->img, "bg", "base", elm_widget_style_get(obj));
|
|
if (wd->custom_img)
|
|
edje_object_part_swallow(wd->img, "elm.swallow.background", wd->custom_img);
|
|
// FIXME: if i don't do this, bg doesnt calc correctly. why?
|
|
evas_object_geometry_get(wd->img, NULL, NULL, &w, &h);
|
|
evas_object_resize(wd->img, 0, 0);
|
|
evas_object_resize(wd->img, w, h);
|
|
}
|
|
|
|
static void
|
|
_custom_resize(void *data __UNUSED__, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
|
|
{
|
|
int iw = 0, ih = 0;
|
|
Evas_Coord x, y, w, h, ow = 0, oh = 0;
|
|
|
|
evas_object_geometry_get(obj, NULL, NULL, &ow, &oh);
|
|
evas_object_image_size_get(obj, &iw, &ih);
|
|
|
|
if ((iw < 1) || (ih < 1)) return;
|
|
w = ow;
|
|
h = (ih * w) / iw;
|
|
if (h < oh)
|
|
{
|
|
h = oh;
|
|
w = (iw * h) / ih;
|
|
}
|
|
x = (ow - w) / 2;
|
|
y = (oh - h) / 2;
|
|
evas_object_image_fill_set(obj, x, y, w, h);
|
|
}
|
|
|
|
/**
|
|
* Add a new background to the parent
|
|
*
|
|
* @param parent The parent object
|
|
* @return The new object or NULL if it cannot be created
|
|
*
|
|
* @ingroup Bg
|
|
*/
|
|
EAPI Evas_Object *
|
|
elm_bg_add(Evas_Object *parent)
|
|
{
|
|
Evas_Object *obj;
|
|
Evas *e;
|
|
Widget_Data *wd;
|
|
|
|
wd = ELM_NEW(Widget_Data);
|
|
e = evas_object_evas_get(parent);
|
|
obj = elm_widget_add(e);
|
|
ELM_SET_WIDTYPE(widtype, "bg");
|
|
elm_widget_type_set(obj, "bg");
|
|
elm_widget_sub_object_add(parent, obj);
|
|
elm_widget_data_set(obj, wd);
|
|
elm_widget_del_hook_set(obj, _del_hook);
|
|
elm_widget_theme_hook_set(obj, _theme_hook);
|
|
elm_widget_can_focus_set(obj, EINA_FALSE);
|
|
|
|
wd->img = edje_object_add(e);
|
|
_elm_theme_object_set(obj, wd->img, "bg", "base", "default");
|
|
elm_widget_resize_object_set(obj, wd->img);
|
|
return obj;
|
|
}
|
|
|
|
/**
|
|
* Set the file (image or edje) used for the background
|
|
*
|
|
* @param obj The bg object
|
|
* @param file The file path
|
|
* @param group Optional key (group in Edje) within the file
|
|
*
|
|
* This sets the image file used in the background object. The image (or edje)
|
|
* will be stretched (retaining aspect if its an image file) to completely fill
|
|
* the bg object. This may mean some parts arte not visible.
|
|
*
|
|
* @ingroup Bg
|
|
*/
|
|
EAPI void
|
|
elm_bg_file_set(Evas_Object *obj, const char *file, const char *group)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype);
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
const char *p;
|
|
|
|
if (wd->custom_img)
|
|
{
|
|
evas_object_del(wd->custom_img);
|
|
wd->custom_img = NULL;
|
|
}
|
|
if (!file) return;
|
|
eina_stringshare_replace(&wd->file, file);
|
|
eina_stringshare_replace(&wd->group, group);
|
|
if (((p = strrchr(file, '.'))) && (!strcasecmp(p, ".edj")))
|
|
{
|
|
wd->custom_img = edje_object_add(evas_object_evas_get(wd->img));
|
|
edje_object_file_set(wd->custom_img, file, group);
|
|
}
|
|
else
|
|
{
|
|
wd->custom_img = evas_object_image_add(evas_object_evas_get(wd->img));
|
|
evas_object_event_callback_add(wd->custom_img, EVAS_CALLBACK_RESIZE,
|
|
_custom_resize, wd);
|
|
evas_object_image_file_set(wd->custom_img, file, group);
|
|
}
|
|
elm_widget_sub_object_add(obj, wd->custom_img);
|
|
evas_object_repeat_events_set(wd->custom_img, 1);
|
|
edje_object_part_swallow(wd->img, "elm.swallow.background", wd->custom_img);
|
|
evas_object_show(wd->custom_img);
|
|
}
|