forked from enlightenment/efl
429 lines
12 KiB
C
429 lines
12 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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typedef struct _Subinfo Subinfo;
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struct _Widget_Data
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{
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Evas_Object *hov;
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Evas_Object *cov;
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Evas_Object *offset, *size;
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Evas_Object *parent, *target;
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Eina_List *subs;
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const char *style;
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};
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struct _Subinfo
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{
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const char *swallow;
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Evas_Object *obj;
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};
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static void _del_pre_hook(Evas_Object *obj);
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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 _sizing_eval(Evas_Object *obj);
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static void _reval_content(Evas_Object *obj);
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static void _changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info);
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static void _sub_del(void *data, Evas_Object *obj, void *event_info);
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static void _hov_show_do(Evas_Object *obj);
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static void _hov_move(void *data, Evas *e, Evas_Object *obj, void *event_info);
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static void _hov_resize(void *data, Evas *e, Evas_Object *obj, void *event_info);
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static void _hov_show(void *data, Evas *e, Evas_Object *obj, void *event_info);
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static void _hov_hide(void *data, Evas *e, Evas_Object *obj, void *event_info);
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static void
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_del_pre_hook(Evas_Object *obj)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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if (evas_object_visible_get(obj))
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evas_object_smart_callback_call(obj, "clicked", NULL);
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elm_hover_target_set(obj, NULL);
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elm_hover_parent_set(obj, NULL);
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evas_object_event_callback_del(wd->hov, EVAS_CALLBACK_MOVE, _hov_move);
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evas_object_event_callback_del(wd->hov, EVAS_CALLBACK_RESIZE, _hov_resize);
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evas_object_event_callback_del(wd->hov, EVAS_CALLBACK_SHOW, _hov_show);
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evas_object_event_callback_del(wd->hov, EVAS_CALLBACK_HIDE, _hov_hide);
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while (wd->subs)
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{
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Subinfo *si = wd->subs->data;
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wd->subs = eina_list_remove_list(wd->subs, wd->subs);
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evas_stringshare_del(si->swallow);
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free(si);
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}
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if (wd->style) eina_stringshare_del(wd->style);
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}
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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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// FIXME: hover contents doesnt seem to propagate resizes properly
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if (wd->style) _elm_theme_set(wd->cov, "hover", "base", wd->style);
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else _elm_theme_set(wd->cov, "hover", "base", "default");
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_reval_content(obj);
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_sizing_eval(obj);
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if (evas_object_visible_get(wd->cov)) _hov_show_do(obj);
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}
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static void
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_sizing_eval(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 x = 0, y = 0, w = 0, h = 0, x2 = 0, y2 = 0, w2 = 0, h2 = 0;
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if (wd->parent) evas_object_geometry_get(wd->parent, &x, &y, &w, &h);
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if (wd->hov) evas_object_geometry_get(wd->hov, &x2, &y2, &w2, &h2);
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evas_object_move(wd->cov, x, y);
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evas_object_resize(wd->cov, w, h);
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evas_object_size_hint_min_set(wd->offset, x2 - x, y2 - y);
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edje_object_part_swallow(wd->cov, "elm.swallow.offset", wd->offset);
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evas_object_size_hint_min_set(wd->size, w2, h2);
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edje_object_part_swallow(wd->cov, "elm.swallow.size", wd->size);
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}
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static void
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_reval_content(Evas_Object *obj)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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Eina_List *l;
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for (l = wd->subs; l; l = l->next)
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{
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Subinfo *si = l->data;
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edje_object_part_swallow(wd->hov, si->swallow, si->obj);
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}
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}
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static void
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_changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info)
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{
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Widget_Data *wd = elm_widget_data_get(data);
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Eina_List *l;
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for (l = wd->subs; l; l = l->next)
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{
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Subinfo *si = l->data;
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if (si->obj == obj)
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{
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edje_object_part_swallow(wd->hov, si->swallow, si->obj);
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break;
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}
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}
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}
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static void
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_sub_del(void *data, Evas_Object *obj, void *event_info)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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Evas_Object *sub = event_info;
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Eina_List *l;
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for (l = wd->subs; l; l = l->next)
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{
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Subinfo *si = l->data;
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if (si->obj == sub)
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{
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evas_object_event_callback_del
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(sub, EVAS_CALLBACK_CHANGED_SIZE_HINTS, _changed_size_hints);
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wd->subs = eina_list_remove_list(wd->subs, l);
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evas_stringshare_del(si->swallow);
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free(si);
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break;
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}
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}
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}
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static void
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_hov_show_do(Evas_Object *obj)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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Eina_List *l;
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if (wd->cov)
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{
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evas_object_show(wd->cov);
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edje_object_signal_emit(wd->cov, "elm,action,show", "elm");
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}
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for (l = wd->subs; l; l = l->next)
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{
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Subinfo *si = l->data;
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char buf[1024];
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if (!strncmp(si->swallow, "elm.swallow.slot.", 17))
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{
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snprintf(buf, sizeof(buf), "elm,action,slot,%s,show",
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si->swallow + 17);
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edje_object_signal_emit(wd->cov, buf, "elm");
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}
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}
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}
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static void
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_hov_move(void *data, Evas *e, Evas_Object *obj, void *event_info)
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{
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_sizing_eval(data);
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}
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static void
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_hov_resize(void *data, Evas *e, Evas_Object *obj, void *event_info)
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{
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_sizing_eval(data);
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}
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static void
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_hov_show(void *data, Evas *e, Evas_Object *obj, void *event_info)
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{
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_hov_show_do(data);
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}
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static void
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_hov_hide(void *data, Evas *e, Evas_Object *obj, void *event_info)
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{
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Widget_Data *wd = elm_widget_data_get(data);
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Eina_List *l;
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if (wd->cov)
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{
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edje_object_signal_emit(wd->cov, "elm,action,hide", "elm");
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evas_object_hide(wd->cov);
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}
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for (l = wd->subs; l; l = l->next)
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{
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Subinfo *si = l->data;
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char buf[1024];
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if (!strncmp(si->swallow, "elm.swallow.slot.", 17))
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{
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snprintf(buf, sizeof(buf), "elm,action,slot,%s,hide",
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si->swallow + 17);
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edje_object_signal_emit(wd->cov, buf, "elm");
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}
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}
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}
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static void
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_target_del(void *data, Evas *e, Evas_Object *obj, void *event_info)
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{
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Widget_Data *wd = elm_widget_data_get(data);
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wd->target = NULL;
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}
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static void
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_signal_dismiss(void *data, Evas_Object *obj, const char *emission, const char *source)
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{
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Widget_Data *wd = elm_widget_data_get(data);
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evas_object_hide(data);
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evas_object_smart_callback_call(data, "clicked", NULL);
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}
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static void
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_parent_move(void *data, Evas *e, Evas_Object *obj, void *event_info)
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{
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_sizing_eval(data);
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}
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static void
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_parent_resize(void *data, Evas *e, Evas_Object *obj, void *event_info)
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{
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_sizing_eval(data);
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}
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static void
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_parent_show(void *data, Evas *e, Evas_Object *obj, void *event_info)
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{
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Widget_Data *wd = elm_widget_data_get(data);
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}
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static void
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_parent_hide(void *data, Evas *e, Evas_Object *obj, void *event_info)
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{
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Widget_Data *wd = elm_widget_data_get(data);
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evas_object_hide(wd->cov);
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}
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static void
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_parent_del(void *data, Evas *e, Evas_Object *obj, void *event_info)
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{
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Widget_Data *wd = elm_widget_data_get(data);
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wd->parent = NULL;
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_sizing_eval(data);
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}
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EAPI Evas_Object *
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elm_hover_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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wd = ELM_NEW(Widget_Data);
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e = evas_object_evas_get(parent);
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obj = elm_widget_add(e);
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elm_widget_data_set(obj, wd);
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elm_widget_del_pre_hook_set(obj, _del_pre_hook);
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elm_widget_theme_hook_set(obj, _theme_hook);
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elm_widget_del_hook_set(obj, _del_hook);
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wd->hov = evas_object_rectangle_add(e);
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evas_object_pass_events_set(wd->hov, 1);
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evas_object_color_set(wd->hov, 0, 0, 0, 0);
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elm_widget_resize_object_set(obj, wd->hov);
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evas_object_event_callback_add(wd->hov, EVAS_CALLBACK_MOVE, _hov_move, obj);
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evas_object_event_callback_add(wd->hov, EVAS_CALLBACK_RESIZE, _hov_resize, obj);
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evas_object_event_callback_add(wd->hov, EVAS_CALLBACK_SHOW, _hov_show, obj);
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evas_object_event_callback_add(wd->hov, EVAS_CALLBACK_HIDE, _hov_hide, obj);
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wd->cov = edje_object_add(e);
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_elm_theme_set(wd->cov, "hover", "base", "default");
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elm_widget_sub_object_add(obj, wd->cov);
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edje_object_signal_callback_add(wd->cov, "elm,action,dismiss", "", _signal_dismiss, obj);
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wd->offset = evas_object_rectangle_add(e);
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evas_object_pass_events_set(wd->offset, 1);
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evas_object_color_set(wd->offset, 0, 0, 0, 0);
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elm_widget_sub_object_add(obj, wd->offset);
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wd->size = evas_object_rectangle_add(e);
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evas_object_pass_events_set(wd->size, 1);
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evas_object_color_set(wd->size, 0, 0, 0, 0);
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elm_widget_sub_object_add(obj, wd->size);
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edje_object_part_swallow(wd->cov, "elm.swallow.offset", wd->offset);
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edje_object_part_swallow(wd->cov, "elm.swallow.size", wd->size);
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evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
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_sizing_eval(obj);
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return obj;
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}
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EAPI void
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elm_hover_target_set(Evas_Object *obj, Evas_Object *target)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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if (wd->target)
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{
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evas_object_event_callback_del(wd->target, EVAS_CALLBACK_DEL, _target_del);
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}
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wd->target = target;
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if (wd->target)
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{
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evas_object_event_callback_add(wd->target, EVAS_CALLBACK_DEL, _target_del, obj);
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elm_widget_hover_object_set(target, obj);
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_sizing_eval(obj);
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}
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}
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EAPI void
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elm_hover_parent_set(Evas_Object *obj, Evas_Object *parent)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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if (wd->parent)
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{
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evas_object_event_callback_del(wd->parent, EVAS_CALLBACK_MOVE, _parent_move);
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evas_object_event_callback_del(wd->parent, EVAS_CALLBACK_RESIZE, _parent_resize);
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evas_object_event_callback_del(wd->parent, EVAS_CALLBACK_SHOW, _parent_show);
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evas_object_event_callback_del(wd->parent, EVAS_CALLBACK_HIDE, _parent_hide);
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evas_object_event_callback_del(wd->parent, EVAS_CALLBACK_DEL, _parent_del);
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}
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wd->parent = parent;
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if (wd->parent)
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{
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evas_object_event_callback_add(wd->parent, EVAS_CALLBACK_MOVE, _parent_move, obj);
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evas_object_event_callback_add(wd->parent, EVAS_CALLBACK_RESIZE, _parent_resize, obj);
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evas_object_event_callback_add(wd->parent, EVAS_CALLBACK_SHOW, _parent_show, obj);
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evas_object_event_callback_add(wd->parent, EVAS_CALLBACK_HIDE, _parent_hide, obj);
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evas_object_event_callback_add(wd->parent, EVAS_CALLBACK_DEL, _parent_del, obj);
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// elm_widget_sub_object_add(parent, obj);
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}
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_sizing_eval(obj);
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}
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EAPI void
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elm_hover_content_set(Evas_Object *obj, const char *swallow, Evas_Object *content)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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Subinfo *si;
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Eina_List *l;
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char buf[1024];
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snprintf(buf, sizeof(buf), "elm.swallow.slot.%s", swallow);
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for (l = wd->subs; l; l = l->next)
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{
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si = l->data;
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if (!strcmp(buf, si->swallow))
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{
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if (content == si->obj) return;
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elm_widget_sub_object_del(obj, si->obj);
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break;
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}
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}
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if (content)
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{
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elm_widget_sub_object_add(obj, content);
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edje_object_part_swallow(wd->cov, buf, content);
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evas_object_event_callback_add(content, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
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_changed_size_hints, obj);
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si = ELM_NEW(Subinfo);
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si->swallow = evas_stringshare_add(buf);
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si->obj = content;
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wd->subs = eina_list_append(wd->subs, si);
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_sizing_eval(obj);
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}
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}
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EAPI void
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elm_hover_style_set(Evas_Object *obj, const char *style)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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if (wd->style) eina_stringshare_del(wd->style);
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if (style) wd->style = eina_stringshare_add(style);
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else wd->style = NULL;
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if (wd->style) _elm_theme_set(wd->cov, "hover", "base", wd->style);
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else _elm_theme_set(wd->cov, "hover", "base", "default");
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_reval_content(obj);
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_sizing_eval(obj);
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}
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EAPI const char *
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elm_hover_best_content_location_get(Evas_Object *obj, Elm_Hover_Axis pref_axis)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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Evas_Coord x = 0, y = 0, w = 0, h = 0, x2 = 0, y2 = 0, w2 = 0, h2 = 0;
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Evas_Coord spc_l, spc_r, spc_t, spc_b;
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if (wd->parent) evas_object_geometry_get(wd->parent, &x, &y, &w, &h);
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if (wd->target) evas_object_geometry_get(wd->target, &x2, &y2, &w2, &h2);
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spc_l = x2 - x;
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spc_r = (x + w) - (x2 + w2);
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if (spc_l < 0) spc_l = 0;
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if (spc_r < 0) spc_r = 0;
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spc_t = y2 - y;
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spc_b = (y + h) - (y2 + h2);
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if (spc_t < 0) spc_t = 0;
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if (spc_b < 0) spc_b = 0;
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if (pref_axis == ELM_HOVER_AXIS_HORIZONTAL)
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{
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if (spc_l < spc_r) return "right";
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else return "left";
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}
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else if (pref_axis == ELM_HOVER_AXIS_VERTICAL)
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{
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if (spc_t < spc_b) return "bottom";
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else return "top";
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}
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if (spc_l < spc_r)
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{
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if (spc_t > spc_r) return "top";
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else if (spc_b > spc_r) return "bottom";
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return "right";
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}
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if (spc_t > spc_r) return "top";
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else if (spc_b > spc_r) return "bottom";
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return "left";
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}
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