diff options
Diffstat (limited to 'src/lib/elementary/elm_widget_scroller.h')
| -rw-r--r-- | src/lib/elementary/elm_widget_scroller.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/lib/elementary/elm_widget_scroller.h b/src/lib/elementary/elm_widget_scroller.h new file mode 100644 index 0000000000..6e6875dc31 --- /dev/null +++ b/src/lib/elementary/elm_widget_scroller.h @@ -0,0 +1,71 @@ +#ifndef ELM_WIDGET_SCROLLER_H +#define ELM_WIDGET_SCROLLER_H + +#include "Elementary.h" + +/* DO NOT USE THIS HEADER UNLESS YOU ARE PREPARED FOR BREAKING OF YOUR + * CODE. THIS IS ELEMENTARY'S INTERNAL WIDGET API (for now) AND IS NOT + * FINAL. CALL elm_widget_api_check(ELM_INTERNAL_API_VERSION) TO CHECK + * IT AT RUNTIME. + */ + +/** + * @addtogroup Widget + * @{ + * + * @section elm-scroller-class The Elementary Scroller Class + * + * Elementary, besides having the @ref Scroller widget, exposes its + * foundation -- the Elementary Scroller Class -- in order to create + * other widgets which are a scroller with some more logic on top. + */ + +/** + * Base widget smart data extended with scroller instance data. + */ +typedef struct _Elm_Scroller_Data Elm_Scroller_Data; +struct _Elm_Scroller_Data +{ + Evas_Object *hit_rect; + Evas_Object *g_layer; + + Evas_Object *content; + Evas_Object *contents; + Evas_Object *proxy_content[3]; + + Eina_Bool min_w : 1; + Eina_Bool min_h : 1; + Eina_Bool loop_h : 1; + Eina_Bool loop_v : 1; +}; + +/** + * @} + */ + +#define ELM_SCROLLER_DATA_GET(o, sd) \ + Elm_Scroller_Data * sd = eo_data_scope_get(o, ELM_SCROLLER_CLASS) + +#define ELM_SCROLLER_DATA_GET_OR_RETURN(o, ptr) \ + ELM_SCROLLER_DATA_GET(o, ptr); \ + if (EINA_UNLIKELY(!ptr)) \ + { \ + CRI("No widget data for object %p (%s)", \ + o, evas_object_type_get(o)); \ + return; \ + } + +#define ELM_SCROLLER_DATA_GET_OR_RETURN_VAL(o, ptr, val) \ + ELM_SCROLLER_DATA_GET(o, ptr); \ + if (EINA_UNLIKELY(!ptr)) \ + { \ + CRI("No widget data for object %p (%s)", \ + o, evas_object_type_get(o)); \ + return val; \ + } + +#define ELM_SCROLLER_CHECK(obj) \ + if (EINA_UNLIKELY(!eo_isa((obj), ELM_SCROLLER_CLASS))) \ + return + +#endif |