537 lines
13 KiB
C
537 lines
13 KiB
C
#include "evas_common.h"
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#include "evas_private.h"
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static void evas_object_event_callback_clear(Evas_Object *obj);
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static void evas_event_callback_clear(Evas *e);
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int _evas_event_counter = 0;
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EVAS_MEMPOOL(_mp_fn);
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EVAS_MEMPOOL(_mp_cb);
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EVAS_MEMPOOL(_mp_pc);
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void
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_evas_post_event_callback_call(Evas *e)
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{
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Evas_Post_Callback *pc;
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int skip = 0;
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if (e->delete_me) return;
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_evas_walk(e);
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EINA_LIST_FREE(e->post_events, pc)
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{
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if ((!skip) && (!e->delete_me) && (!pc->delete_me))
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{
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if (!pc->func((void*)pc->data, e)) skip = 1;
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}
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EVAS_MEMPOOL_FREE(_mp_pc, pc);
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}
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_evas_unwalk(e);
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}
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void
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_evas_post_event_callback_free(Evas *e)
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{
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Evas_Post_Callback *pc;
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EINA_LIST_FREE(e->post_events, pc)
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{
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EVAS_MEMPOOL_FREE(_mp_pc, pc);
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}
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_evas_unwalk(e);
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}
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void
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evas_event_callback_list_post_free(Eina_Inlist **list)
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{
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Eina_Inlist *l;
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/* MEM OK */
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for (l = *list; l;)
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{
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Evas_Func_Node *fn;
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fn = (Evas_Func_Node *)l;
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l = l->next;
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if (fn->delete_me)
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{
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*list = eina_inlist_remove(*list, EINA_INLIST_GET(fn));
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EVAS_MEMPOOL_FREE(_mp_fn, fn);
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}
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}
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}
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static void
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evas_object_event_callback_clear(Evas_Object *obj)
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{
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if (!obj->callbacks) return;
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if (!obj->callbacks->deletions_waiting) return;
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obj->callbacks->deletions_waiting = 0;
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evas_event_callback_list_post_free(&obj->callbacks->callbacks);
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if (!obj->callbacks->callbacks)
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{
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EVAS_MEMPOOL_FREE(_mp_cb, obj->callbacks);
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obj->callbacks = NULL;
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}
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}
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static void
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evas_event_callback_clear(Evas *e)
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{
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if (!e->callbacks) return;
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if (!e->callbacks->deletions_waiting) return;
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e->callbacks->deletions_waiting = 0;
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evas_event_callback_list_post_free(&e->callbacks->callbacks);
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if (!e->callbacks->callbacks)
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{
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EVAS_MEMPOOL_FREE(_mp_cb, e->callbacks);
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e->callbacks = NULL;
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}
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}
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void
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evas_object_event_callback_all_del(Evas_Object *obj)
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{
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Evas_Func_Node *fn;
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if (!obj->callbacks) return;
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EINA_INLIST_FOREACH(obj->callbacks->callbacks, fn)
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fn->delete_me = 1;
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}
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void
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evas_object_event_callback_cleanup(Evas_Object *obj)
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{
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/* MEM OK */
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if (!obj->callbacks) return;
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evas_event_callback_list_post_free(&obj->callbacks->callbacks);
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EVAS_MEMPOOL_FREE(_mp_cb, obj->callbacks);
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obj->callbacks = NULL;
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}
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void
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evas_event_callback_all_del(Evas *e)
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{
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Evas_Func_Node *fn;
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if (!e->callbacks) return;
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EINA_INLIST_FOREACH(e->callbacks->callbacks, fn)
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fn->delete_me = 1;
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}
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void
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evas_event_callback_cleanup(Evas *e)
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{
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/* MEM OK */
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if (!e->callbacks) return;
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evas_event_callback_list_post_free(&e->callbacks->callbacks);
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EVAS_MEMPOOL_FREE(_mp_cb, e->callbacks);
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e->callbacks = NULL;
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}
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void
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evas_event_callback_call(Evas *e, Evas_Callback_Type type, void *event_info)
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{
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Eina_Inlist **l_mod = NULL, *l;
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_evas_walk(e);
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if (e->callbacks)
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{
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l_mod = &e->callbacks->callbacks;
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e->callbacks->walking_list++;
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for (l = *l_mod; l; l = l->next)
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{
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Evas_Func_Node *fn;
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fn = (Evas_Func_Node *)l;
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if ((fn->type == type) && (!fn->delete_me))
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{
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Evas_Event_Cb func = fn->func;
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if (func)
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func(fn->data, e, event_info);
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}
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if (e->delete_me) break;
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}
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e->callbacks->walking_list--;
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if (!e->callbacks->walking_list)
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{
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evas_event_callback_clear(e);
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l_mod = NULL;
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}
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}
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_evas_unwalk(e);
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}
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void
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evas_object_event_callback_call(Evas_Object *obj, Evas_Callback_Type type, void *event_info)
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{
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/* MEM OK */
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Eina_Inlist **l_mod = NULL, *l;
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Evas_Button_Flags flags = EVAS_BUTTON_NONE;
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Evas *e;
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if ((obj->delete_me) || (!obj->layer)) return;
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if ((obj->last_event == _evas_event_counter) &&
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(obj->last_event_type == type)) return;
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obj->last_event = _evas_event_counter;
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obj->last_event_type = type;
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if (!(e = obj->layer->evas)) return;
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_evas_walk(e);
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if (obj->callbacks)
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{
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l_mod = &obj->callbacks->callbacks;
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switch (type)
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{
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case EVAS_CALLBACK_MOUSE_DOWN:
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{
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Evas_Event_Mouse_Down *ev = event_info;
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flags = ev->flags;
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if (ev->flags & (EVAS_BUTTON_DOUBLE_CLICK | EVAS_BUTTON_TRIPLE_CLICK))
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{
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if (obj->last_mouse_down_counter < (e->last_mouse_down_counter - 1))
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ev->flags &= ~(EVAS_BUTTON_DOUBLE_CLICK | EVAS_BUTTON_TRIPLE_CLICK);
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}
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obj->last_mouse_down_counter = e->last_mouse_down_counter;
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break;
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}
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case EVAS_CALLBACK_MOUSE_UP:
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{
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Evas_Event_Mouse_Up *ev = event_info;
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flags = ev->flags;
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if (ev->flags & (EVAS_BUTTON_DOUBLE_CLICK | EVAS_BUTTON_TRIPLE_CLICK))
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{
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if (obj->last_mouse_up_counter < (e->last_mouse_up_counter - 1))
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ev->flags &= ~(EVAS_BUTTON_DOUBLE_CLICK | EVAS_BUTTON_TRIPLE_CLICK);
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}
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obj->last_mouse_up_counter = e->last_mouse_up_counter;
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break;
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}
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default:
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break;
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}
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obj->callbacks->walking_list++;
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for (l = *l_mod; l; l = l->next)
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{
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Evas_Func_Node *fn;
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fn = (Evas_Func_Node *)l;
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if ((fn->type == type) && (!fn->delete_me))
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{
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Evas_Object_Event_Cb func = fn->func;
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if (func)
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func(fn->data, obj->layer->evas, obj, event_info);
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}
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if (obj->delete_me) break;
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}
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obj->callbacks->walking_list--;
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if (!obj->callbacks->walking_list)
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{
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evas_object_event_callback_clear(obj);
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l_mod = NULL;
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}
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if (type == EVAS_CALLBACK_MOUSE_DOWN)
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{
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Evas_Event_Mouse_Down *ev = event_info;
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ev->flags = flags;
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}
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else if (type == EVAS_CALLBACK_MOUSE_UP)
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{
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Evas_Event_Mouse_Up *ev = event_info;
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ev->flags = flags;
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}
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}
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if (!((obj->no_propagate) && (l_mod) && (*l_mod)))
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{
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if (!obj->no_propagate)
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{
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if ((obj->smart.parent) && (type != EVAS_CALLBACK_FREE) &&
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(type <= EVAS_CALLBACK_KEY_UP))
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evas_object_event_callback_call(obj->smart.parent, type, event_info);
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}
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}
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_evas_unwalk(e);
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}
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static int
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_callback_priority_cmp(const void *_a, const void *_b)
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{
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const Evas_Func_Node *a, *b;
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a = EINA_INLIST_CONTAINER_GET(_a, Evas_Func_Node);
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b = EINA_INLIST_CONTAINER_GET(_b, Evas_Func_Node);
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if (a->priority < b->priority)
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return -1;
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else if (a->priority == b->priority)
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return 0;
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else
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return 1;
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}
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EAPI void
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evas_object_event_callback_add(Evas_Object *obj, Evas_Callback_Type type, Evas_Object_Event_Cb func, const void *data)
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{
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evas_object_event_callback_priority_add(obj, type,
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EVAS_CALLBACK_PRIORITY_DEFAULT, func, data);
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}
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EAPI void
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evas_object_event_callback_priority_add(Evas_Object *obj, Evas_Callback_Type type, Evas_Callback_Priority priority, Evas_Object_Event_Cb func, const void *data)
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{
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/* MEM OK */
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Evas_Func_Node *fn;
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MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
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return;
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MAGIC_CHECK_END();
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if (!func) return;
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if (!obj->callbacks)
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{
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EVAS_MEMPOOL_INIT(_mp_cb, "evas_callbacks", Evas_Callbacks, 512, );
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obj->callbacks = EVAS_MEMPOOL_ALLOC(_mp_cb, Evas_Callbacks);
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if (!obj->callbacks) return;
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EVAS_MEMPOOL_PREP(_mp_cb, obj->callbacks, Evas_Callbacks);
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}
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EVAS_MEMPOOL_INIT(_mp_fn, "evas_func_node", Evas_Func_Node, 2048, );
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fn = EVAS_MEMPOOL_ALLOC(_mp_fn, Evas_Func_Node);
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if (!fn) return;
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EVAS_MEMPOOL_PREP(_mp_fn, fn, Evas_Func_Node);
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fn->func = func;
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fn->data = (void *)data;
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fn->type = type;
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fn->priority = priority;
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obj->callbacks->callbacks =
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eina_inlist_sorted_insert(obj->callbacks->callbacks, EINA_INLIST_GET(fn),
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_callback_priority_cmp);
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}
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EAPI void *
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evas_object_event_callback_del(Evas_Object *obj, Evas_Callback_Type type, Evas_Object_Event_Cb func)
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{
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/* MEM OK */
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Evas_Func_Node *fn;
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MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
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return NULL;
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MAGIC_CHECK_END();
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if (!func) return NULL;
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if (!obj->callbacks) return NULL;
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EINA_INLIST_FOREACH(obj->callbacks->callbacks, fn)
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{
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if ((fn->func == func) && (fn->type == type) && (!fn->delete_me))
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{
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void *tmp;
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tmp = fn->data;
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fn->delete_me = 1;
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obj->callbacks->deletions_waiting = 1;
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if (!obj->callbacks->walking_list)
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evas_object_event_callback_clear(obj);
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return tmp;
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}
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}
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return NULL;
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}
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EAPI void *
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evas_object_event_callback_del_full(Evas_Object *obj, Evas_Callback_Type type, Evas_Object_Event_Cb func, const void *data)
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{
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/* MEM OK */
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Evas_Func_Node *fn;
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MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
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return NULL;
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MAGIC_CHECK_END();
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if (!func) return NULL;
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if (!obj->callbacks) return NULL;
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EINA_INLIST_FOREACH(obj->callbacks->callbacks, fn)
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{
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if ((fn->func == func) && (fn->type == type) && (fn->data == data) && (!fn->delete_me))
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{
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void *tmp;
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tmp = fn->data;
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fn->delete_me = 1;
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obj->callbacks->deletions_waiting = 1;
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if (!obj->callbacks->walking_list)
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evas_object_event_callback_clear(obj);
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return tmp;
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}
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}
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return NULL;
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}
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EAPI void
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evas_event_callback_add(Evas *e, Evas_Callback_Type type, Evas_Event_Cb func, const void *data)
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{
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evas_event_callback_priority_add(e, type, EVAS_CALLBACK_PRIORITY_DEFAULT,
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func, data);
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}
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EAPI void
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evas_event_callback_priority_add(Evas *e, Evas_Callback_Type type, Evas_Callback_Priority priority, Evas_Event_Cb func, const void *data)
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{
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/* MEM OK */
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Evas_Func_Node *fn;
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MAGIC_CHECK(e, Evas, MAGIC_EVAS);
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return;
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MAGIC_CHECK_END();
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if (!func) return;
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if (!e->callbacks)
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{
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EVAS_MEMPOOL_INIT(_mp_cb, "evas_callbacks", Evas_Callbacks, 512, );
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e->callbacks = EVAS_MEMPOOL_ALLOC(_mp_cb, Evas_Callbacks);
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if (!e->callbacks) return;
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EVAS_MEMPOOL_PREP(_mp_cb, e->callbacks, Evas_Callbacks);
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}
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EVAS_MEMPOOL_INIT(_mp_fn, "evas_func_node", Evas_Func_Node, 2048, );
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fn = EVAS_MEMPOOL_ALLOC(_mp_fn, Evas_Func_Node);
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if (!fn) return;
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EVAS_MEMPOOL_PREP(_mp_fn, fn, Evas_Func_Node);
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fn->func = func;
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fn->data = (void *)data;
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fn->type = type;
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fn->priority = priority;
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e->callbacks->callbacks = eina_inlist_sorted_insert(e->callbacks->callbacks,
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EINA_INLIST_GET(fn), _callback_priority_cmp);
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}
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EAPI void *
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evas_event_callback_del(Evas *e, Evas_Callback_Type type, Evas_Event_Cb func)
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{
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/* MEM OK */
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Evas_Func_Node *fn;
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MAGIC_CHECK(e, Evas, MAGIC_EVAS);
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return NULL;
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MAGIC_CHECK_END();
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if (!func) return NULL;
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if (!e->callbacks) return NULL;
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EINA_INLIST_FOREACH(e->callbacks->callbacks, fn)
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{
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if ((fn->func == func) && (fn->type == type) && (!fn->delete_me))
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{
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void *data;
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data = fn->data;
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fn->delete_me = 1;
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e->callbacks->deletions_waiting = 1;
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if (!e->callbacks->walking_list)
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evas_event_callback_clear(e);
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return data;
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}
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}
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return NULL;
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}
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EAPI void *
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evas_event_callback_del_full(Evas *e, Evas_Callback_Type type, Evas_Event_Cb func, const void *data)
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{
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/* MEM OK */
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Evas_Func_Node *fn;
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MAGIC_CHECK(e, Evas, MAGIC_EVAS);
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return NULL;
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MAGIC_CHECK_END();
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if (!func) return NULL;
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if (!e->callbacks) return NULL;
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EINA_INLIST_FOREACH(e->callbacks->callbacks, fn)
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{
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if ((fn->func == func) && (fn->type == type) && (fn->data == data) && (!fn->delete_me))
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{
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void *tmp;
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tmp = fn->data;
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fn->delete_me = 1;
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e->callbacks->deletions_waiting = 1;
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if (!e->callbacks->walking_list)
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evas_event_callback_clear(e);
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return tmp;
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}
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}
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return NULL;
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}
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EAPI void
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evas_post_event_callback_push(Evas *e, Evas_Object_Event_Post_Cb func, const void *data)
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{
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Evas_Post_Callback *pc;
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MAGIC_CHECK(e, Evas, MAGIC_EVAS);
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return;
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MAGIC_CHECK_END();
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EVAS_MEMPOOL_INIT(_mp_pc, "evas_post_callback", Evas_Post_Callback, 64, );
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pc = EVAS_MEMPOOL_ALLOC(_mp_pc, Evas_Post_Callback);
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if (!pc) return;
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EVAS_MEMPOOL_PREP(_mp_pc, pc, Evas_Post_Callback);
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if (e->delete_me) return;
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pc->func = func;
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pc->data = data;
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e->post_events = eina_list_prepend(e->post_events, pc);
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}
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EAPI void
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evas_post_event_callback_remove(Evas *e, Evas_Object_Event_Post_Cb func)
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{
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Evas_Post_Callback *pc;
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Eina_List *l;
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MAGIC_CHECK(e, Evas, MAGIC_EVAS);
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return;
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MAGIC_CHECK_END();
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EINA_LIST_FOREACH(e->post_events, l, pc)
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{
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if (pc->func == func)
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{
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pc->delete_me = 1;
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return;
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}
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}
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}
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EAPI void
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evas_post_event_callback_remove_full(Evas *e, Evas_Object_Event_Post_Cb func, const void *data)
|
|
{
|
|
Evas_Post_Callback *pc;
|
|
Eina_List *l;
|
|
|
|
MAGIC_CHECK(e, Evas, MAGIC_EVAS);
|
|
return;
|
|
MAGIC_CHECK_END();
|
|
|
|
EINA_LIST_FOREACH(e->post_events, l, pc)
|
|
{
|
|
if ((pc->func == func) && (pc->data == data))
|
|
{
|
|
pc->delete_me = 1;
|
|
return;
|
|
}
|
|
}
|
|
}
|