309 lines
6.0 KiB
C
309 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 "Evry.h"
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#include "e_mod_main.h"
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// TODO - show error when input not parseable
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static int _cb_data(void *data, int type, void *event);
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static int _cb_error(void *data, int type, void *event);
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static int _cb_del(void *data, int type, void *event);
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static Evry_Plugin *p1;
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static Ecore_Exe *exe = NULL;
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static Eina_List *history = NULL;
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static Eina_List *handlers = NULL;
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static int error = 0;
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static Evry_Plugin *
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_begin(Evry_Plugin *p, const Evry_Item *item __UNUSED__)
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{
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Evry_Item *it;
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if (history)
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{
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const char *result;
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EINA_LIST_FREE(history, result)
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{
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it = EVRY_ITEM_NEW(Evry_Item, p, result, NULL, NULL);
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it->context = eina_stringshare_ref(p->name);
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p->items = eina_list_prepend(p->items, it);
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eina_stringshare_del(result);
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}
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}
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it = EVRY_ITEM_NEW(Evry_Item, p, "0", NULL, NULL);
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it->context = eina_stringshare_ref(p->name);
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p->items = eina_list_prepend(p->items, it);
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return p;
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}
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static int
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_run_bc(Evry_Plugin *p)
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{
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handlers = eina_list_append
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(handlers, ecore_event_handler_add
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(ECORE_EXE_EVENT_DATA, _cb_data, p));
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handlers = eina_list_append
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(handlers, ecore_event_handler_add
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(ECORE_EXE_EVENT_ERROR, _cb_error, p));
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handlers = eina_list_append
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(handlers, ecore_event_handler_add
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(ECORE_EXE_EVENT_DEL, _cb_del, p));
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exe = ecore_exe_pipe_run("bc -l",
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ECORE_EXE_PIPE_READ |
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ECORE_EXE_PIPE_READ_LINE_BUFFERED |
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ECORE_EXE_PIPE_WRITE |
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ECORE_EXE_PIPE_ERROR |
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ECORE_EXE_PIPE_ERROR_LINE_BUFFERED,
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NULL);
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return !!exe;
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}
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static void
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_cleanup(Evry_Plugin *p)
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{
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Ecore_Event_Handler *h;
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Evry_Item *it;
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int items = 10;
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if (p->items)
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{
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evry_item_free(p->items->data);
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p->items = eina_list_remove_list(p->items, p->items);
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}
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EINA_LIST_FREE(p->items, it)
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{
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if (items-- > 0)
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history = eina_list_prepend(history, eina_stringshare_add(it->label));
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evry_item_free(it);
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}
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EINA_LIST_FREE(handlers, h)
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ecore_event_handler_del(h);
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if (exe)
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{
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ecore_exe_quit(exe);
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ecore_exe_free(exe);
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exe = NULL;
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}
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}
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/* static int
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* _action(Evry_Plugin *p, const Evry_Item *act __UNUSED__, const Evry_Item *it)
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* {
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* Eina_List *l;
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* Evry_Item *it2, *it_old;
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*
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* /\* remove duplicates *\/
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* if (p->items->next)
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* {
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* it = p->items->data;
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*
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* EINA_LIST_FOREACH(p->items->next, l, it2)
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* {
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* if (!strcmp(it->label, it2->label))
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* break;
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* it2 = NULL;
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* }
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*
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* if (it2)
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* {
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* p->items = eina_list_remove(p->items, it2);
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* evry_item_free(it2);
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* }
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* }
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*
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* it_old = p->items->data;
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* it_old->selected = EINA_FALSE;
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*
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* it2 = evry_item_new(NULL, p, it_old->label, NULL);
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* it2->context = eina_stringshare_ref(p->name);
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* p->items = eina_list_prepend(p->items, it2);
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*
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* evry_plugin_async_update(p, EVRY_ASYNC_UPDATE_ADD);
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*
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* return EVRY_ACTION_FINISHED;
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* } */
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static int
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_fetch(Evry_Plugin *p, const char *input)
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{
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char buf[1024];
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if (!input) return 0;
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if (!exe && !_run_bc(p)) return 0;
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if (!strncmp(input, "scale=", 6))
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snprintf(buf, 1024, "%s\n", input);
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else
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snprintf(buf, 1024, "scale=3;%s\n", input);
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ecore_exe_send(exe, buf, strlen(buf));
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/* XXX after error we get no response for first input ?! - send a
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second time...*/
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if (error)
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{
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ecore_exe_send(exe, buf, strlen(buf));
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error = 0;
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}
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return 1;
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}
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static void
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_cb_free_item_changed(void *data, void *event)
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{
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Evry_Event_Item_Changed *ev = event;
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evry_item_free(ev->item);
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E_FREE(ev);
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}
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static int
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_cb_data(void *data, int type __UNUSED__, void *event)
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{
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Ecore_Exe_Event_Data *ev = event;
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Evry_Plugin *p = data;
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Evry_Item *it;
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if (ev->exe != exe) return 1;
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if (ev->lines)
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{
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it = p->items->data;
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eina_stringshare_del(it->label);
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it->label = eina_stringshare_add(ev->lines->line);
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if (it)
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{
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Evry_Event_Item_Changed *ev = E_NEW(Evry_Event_Item_Changed, 1);
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ev->item = it;
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evry_item_ref(it);
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ecore_event_add(EVRY_EVENT_ITEM_CHANGED, ev, _cb_free_item_changed, NULL);
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}
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}
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return 1;
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}
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static int
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_cb_error(void *data __UNUSED__, int type __UNUSED__, void *event)
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{
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Ecore_Exe_Event_Data *ev = event;
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if (ev->exe != exe)
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return 1;
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error = 1;
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return 1;
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}
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static int
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_cb_del(void *data __UNUSED__, int type __UNUSED__, void *event)
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{
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Ecore_Exe_Event_Del *e = event;
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if (e->exe != exe)
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return 1;
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exe = NULL;
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return 1;
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}
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static Eina_Bool
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_plugins_init(void)
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{
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if (!evry_api_version_check(EVRY_API_VERSION))
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return EINA_FALSE;
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p1 = EVRY_PLUGIN_NEW(Evry_Plugin, N_("Calculator"), "accessories-calculator", EVRY_TYPE_TEXT,
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_begin, _cleanup, _fetch, NULL);
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p1->view_mode = VIEW_MODE_LIST;
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p1->aggregate = EINA_FALSE;
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p1->history = EINA_FALSE;
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p1->async_fetch = EINA_TRUE;
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p1->trigger = "=";
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evry_plugin_register(p1, EVRY_PLUGIN_SUBJECT, 0);
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return EINA_TRUE;
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}
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static void
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_plugins_shutdown(void)
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{
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EVRY_PLUGIN_FREE(p1);
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}
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/***************************************************************************/
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/**/
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/* actual module specifics */
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static E_Module *module = NULL;
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static Eina_Bool active = EINA_FALSE;
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/***************************************************************************/
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/**/
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/* module setup */
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EAPI E_Module_Api e_modapi =
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{
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E_MODULE_API_VERSION,
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"everything-calc"
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};
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EAPI void *
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e_modapi_init(E_Module *m)
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{
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module = m;
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if (e_datastore_get("everything_loaded"))
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active = _plugins_init();
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e_module_delayed_set(m, 1);
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return m;
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}
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EAPI int
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e_modapi_shutdown(E_Module *m)
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{
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char *result;
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if (active && e_datastore_get("everything_loaded"))
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_plugins_shutdown();
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EINA_LIST_FREE(history, result)
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eina_stringshare_del(result);
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module = NULL;
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return 1;
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}
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EAPI int
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e_modapi_save(E_Module *m)
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{
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return 1;
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}
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/**/
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/***************************************************************************/
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