236 lines
6.0 KiB
C
236 lines
6.0 KiB
C
/*
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* vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
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*/
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#include "e.h"
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/*
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* TODO:
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* - add event handlers for scrolling
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* - add functions to set / get values and min / max
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*/
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typedef struct _E_Scrollbar_Smart_Data E_Scrollbar_Smart_Data;
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struct _E_Scrollbar_Smart_Data
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{
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Evas_Object *edje_object;
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struct {
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double min;
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double max;
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} value;
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E_Scrollbar_Direction direction;
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};
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static void _e_scrollbar_smart_add(Evas_Object *object);
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static void _e_scrollbar_smart_del(Evas_Object *object);
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static void _e_scrollbar_smart_raise(Evas_Object *object);
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static void _e_scrollbar_smart_lower(Evas_Object *object);
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static void _e_scrollbar_smart_stack_above(Evas_Object *object, Evas_Object *above);
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static void _e_scrollbar_smart_stack_below(Evas_Object *object, Evas_Object *below);
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static void _e_scrollbar_smart_move(Evas_Object *object, Evas_Coord x, Evas_Coord y);
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static void _e_scrollbar_smart_resize(Evas_Object *object, Evas_Coord w, Evas_Coord h);
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static void _e_scrollbar_smart_show(Evas_Object *object);
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static void _e_scrollbar_smart_hide(Evas_Object *object);
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static Evas_Smart *e_scrollbar_smart = NULL;
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Evas_Object *
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e_scrollbar_add(Evas *evas)
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{
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if (!e_scrollbar_smart)
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{
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e_scrollbar_smart = evas_smart_new("e_entry",
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_e_scrollbar_smart_add, /* add */
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_e_scrollbar_smart_del, /* del */
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NULL, /* layer_set */
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_e_scrollbar_smart_raise, /* raise */
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_e_scrollbar_smart_lower, /* lower */
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_e_scrollbar_smart_stack_above, /* stack_above */
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_e_scrollbar_smart_stack_below, /* stack_below */
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_e_scrollbar_smart_move, /* move */
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_e_scrollbar_smart_resize, /* resize */
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_e_scrollbar_smart_show, /* show */
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_e_scrollbar_smart_hide, /* hide */
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NULL, /* color_set */
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NULL, /* clip_set */
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NULL, /* clip_unset */
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NULL); /* data*/
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}
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return evas_object_smart_add(evas, e_scrollbar_smart);
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}
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void
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e_scrollbar_direction_set(Evas_Object *object, E_Scrollbar_Direction dir)
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{
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E_Scrollbar_Smart_Data *scrollbar_sd;
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if ((!object) || !(scrollbar_sd = evas_object_smart_data_get(object)))
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return;
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if (scrollbar_sd->direction == dir)
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return;
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switch (dir)
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{
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case E_SCROLLBAR_HORISONTAL:
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e_theme_edje_object_set(scrollbar_sd->edje_object,
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"base/theme/widgets/hscrollbar",
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"widgets/hscrollbar");
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break;
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case E_SCROLLBAR_VERTICAL:
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e_theme_edje_object_set(scrollbar_sd->edje_object,
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"base/theme/widgets/vscrollbar",
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"widgets/vscrollbar");
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break;
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}
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}
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E_Scrollbar_Direction
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e_scrollbar_direction_get(Evas_Object *object)
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{
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E_Scrollbar_Smart_Data *scrollbar_sd;
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if ((!object) || !(scrollbar_sd = evas_object_smart_data_get(object)))
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return E_SCROLLBAR_HORISONTAL;
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return scrollbar_sd->direction;
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}
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/**************************
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* Private functions
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**************************/
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static void
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_e_scrollbar_smart_add(Evas_Object *object)
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{
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Evas *evas;
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E_Scrollbar_Smart_Data *scrollbar_sd;
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if ((!object) || !(evas = evas_object_evas_get(object)))
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return;
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scrollbar_sd = calloc(1, sizeof(E_Scrollbar_Smart_Data));
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if (!scrollbar_sd) return;
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scrollbar_sd->value.min = 0.0;
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scrollbar_sd->value.max = 1.0;
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scrollbar_sd->edje_object = edje_object_add(evas);
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e_theme_edje_object_set(scrollbar_sd->edje_object,
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"base/theme/widgets/hscrollbar",
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"widgets/hscrollbar");
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scrollbar_sd->direction = E_SCROLLBAR_HORISONTAL;
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evas_object_smart_member_add(scrollbar_sd->edje_object, object);
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evas_object_smart_data_set(object, scrollbar_sd);
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}
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static void
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_e_scrollbar_smart_del(Evas_Object *object)
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{
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E_Scrollbar_Smart_Data *scrollbar_sd;
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if ((!object) || !(scrollbar_sd = evas_object_smart_data_get(object)))
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return;
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evas_object_del(scrollbar_sd->edje_object);
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free(scrollbar_sd);
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}
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static void
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_e_scrollbar_smart_raise(Evas_Object *object)
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{
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E_Scrollbar_Smart_Data *scrollbar_sd;
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if ((!object) || !(scrollbar_sd = evas_object_smart_data_get(object)))
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return;
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evas_object_raise(scrollbar_sd->edje_object);
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}
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static void
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_e_scrollbar_smart_lower(Evas_Object *object)
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{
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E_Scrollbar_Smart_Data *scrollbar_sd;
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if ((!object) || !(scrollbar_sd = evas_object_smart_data_get(object)))
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return;
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evas_object_lower(scrollbar_sd->edje_object);
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}
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static void
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_e_scrollbar_smart_stack_above(Evas_Object *object, Evas_Object *above)
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{
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E_Scrollbar_Smart_Data *scrollbar_sd;
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if ((!object) || (!above) || !(scrollbar_sd = evas_object_smart_data_get(object)))
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return;
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evas_object_stack_above(scrollbar_sd->edje_object, above);
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}
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/* Called when the object is stacked below another object */
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static void
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_e_scrollbar_smart_stack_below(Evas_Object *object, Evas_Object *below)
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{
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E_Scrollbar_Smart_Data *scrollbar_sd;
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if ((!object) || (!below) || !(scrollbar_sd = evas_object_smart_data_get(object)))
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return;
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evas_object_stack_below(scrollbar_sd->edje_object, below);
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}
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/* Called when the object is moved */
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static void
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_e_scrollbar_smart_move(Evas_Object *object, Evas_Coord x, Evas_Coord y)
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{
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E_Scrollbar_Smart_Data *scrollbar_sd;
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if ((!object) || !(scrollbar_sd = evas_object_smart_data_get(object)))
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return;
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evas_object_move(scrollbar_sd->edje_object, x, y);
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}
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/* Called when the object is resized */
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static void
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_e_scrollbar_smart_resize(Evas_Object *object, Evas_Coord w, Evas_Coord h)
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{
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E_Scrollbar_Smart_Data *scrollbar_sd;
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if ((!object) || !(scrollbar_sd = evas_object_smart_data_get(object)))
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return;
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evas_object_resize(scrollbar_sd->edje_object, w, h);
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}
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static void
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_e_scrollbar_smart_show(Evas_Object *object)
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{
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E_Scrollbar_Smart_Data *scrollbar_sd;
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if ((!object) || !(scrollbar_sd = evas_object_smart_data_get(object)))
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return;
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evas_object_show(scrollbar_sd->edje_object);
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}
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static void
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_e_scrollbar_smart_hide(Evas_Object *object)
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{
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E_Scrollbar_Smart_Data *scrollbar_sd;
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if ((!object) || !(scrollbar_sd = evas_object_smart_data_get(object)))
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return;
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evas_object_hide(scrollbar_sd->edje_object);
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}
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