313 lines
7.2 KiB
C
313 lines
7.2 KiB
C
#include "e.h"
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#include "evry_api.h"
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// TODO - show error when input not parseable
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typedef struct _Plugin Plugin;
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struct _Plugin
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{
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Evry_Plugin base;
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};
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static Eina_Bool _cb_data(void *data, int type, void *event);
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static Eina_Bool _cb_error(void *data, int type, void *event);
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static Eina_Bool _cb_del(void *data, int type, void *event);
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static const Evry_API *evry = NULL;
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static Evry_Module *evry_module = NULL;
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static Evry_Plugin *_plug;
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static Ecore_Event_Handler *action_handler = NULL;
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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 Eina_Bool active = EINA_FALSE;
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static char _module_icon[] = "accessories-calculator";
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static Evry_Item *cur_item = NULL;
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static Evry_Plugin *
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_begin(Evry_Plugin *plugin, const Evry_Item *item EINA_UNUSED)
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{
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Plugin *p;
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if (active)
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return NULL;
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EVRY_PLUGIN_INSTANCE(p, plugin)
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active = EINA_TRUE;
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return EVRY_PLUGIN(p);
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}
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static int
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_run_bc(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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_finish(Evry_Plugin *plugin)
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{
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GET_PLUGIN(p, plugin);
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Ecore_Event_Handler *h;
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Evry_Item *it;
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int items = 0;
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EINA_LIST_FREE (p->base.items, it)
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{
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if ((items++ > 1) && (items < 10))
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history = eina_list_prepend(history, eina_stringshare_add(it->label));
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if (it == cur_item)
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cur_item = NULL;
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EVRY_ITEM_FREE(it);
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}
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if (cur_item)
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{
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EVRY_ITEM_FREE(cur_item);
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cur_item = NULL;
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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_terminate(exe);
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ecore_exe_free(exe);
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exe = NULL;
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}
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active = EINA_FALSE;
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E_FREE(p);
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}
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static Eina_Bool
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_cb_action_performed(EINA_UNUSED void *data, EINA_UNUSED int type, void *event)
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{
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Eina_List *l;
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Evry_Item *it, *it2, *it_old;
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Evry_Event_Action_Performed *ev = event;
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Evry_Plugin *p = _plug;
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if (!ev->it1 || !(ev->it1->plugin == p))
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return ECORE_CALLBACK_PASS_ON;
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if (!p->items)
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return ECORE_CALLBACK_PASS_ON;
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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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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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{
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p->items = eina_list_promote_list(p->items, l);
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evry->item_changed(it, 0, 1);
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EVRY_PLUGIN_UPDATE(p, EVRY_UPDATE_ADD);
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return ECORE_CALLBACK_PASS_ON;
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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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it2 = EVRY_ITEM_NEW(Evry_Item, p, it_old->label, NULL, 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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evry->item_changed(it2, 0, 1);
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EVRY_PLUGIN_UPDATE(p, EVRY_UPDATE_ADD);
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return ECORE_CALLBACK_PASS_ON;
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}
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static int
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_fetch(Evry_Plugin *plugin, const char *input)
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{
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GET_PLUGIN(p, plugin);
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char buf[1024];
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Evry_Item *it;
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if (!input) return 0;
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if (!exe && !_run_bc(p)) return 0;
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if (!cur_item)
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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->base.name);
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cur_item = it;
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}
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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->base.name);
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p->base.items = eina_list_prepend(p->base.items, it);
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eina_stringshare_del(result);
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}
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}
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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 EVRY_PLUGIN_HAS_ITEMS(p);
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}
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static Eina_Bool
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_cb_data(void *data, int type EINA_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 ECORE_CALLBACK_PASS_ON;
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if (ev->lines)
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{
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it = cur_item;
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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 = eina_list_data_get(p->items)) || (it != cur_item))
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{
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p->items = eina_list_prepend(p->items, cur_item);
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EVRY_PLUGIN_UPDATE(p, EVRY_UPDATE_ADD);
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}
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else if (it)
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evry->item_changed(it, 0, 0);
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}
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return ECORE_CALLBACK_PASS_ON;
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}
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static Eina_Bool
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_cb_error(void *data, int type EINA_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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if (ev->exe != exe)
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return ECORE_CALLBACK_PASS_ON;
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p->items = eina_list_remove(p->items, cur_item);
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EVRY_PLUGIN_UPDATE(p, EVRY_UPDATE_ADD);
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error = 1;
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return ECORE_CALLBACK_PASS_ON;
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}
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static Eina_Bool
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_cb_del(void *data EINA_UNUSED, int type EINA_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 ECORE_CALLBACK_PASS_ON;
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exe = NULL;
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return ECORE_CALLBACK_PASS_ON;
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}
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static int
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_plugins_init(const Evry_API *_api)
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{
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evry = _api;
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if (!evry->api_version_check(EVRY_API_VERSION))
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return EINA_FALSE;
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action_handler = evry->event_handler_add(EVRY_EVENT_ACTION_PERFORMED,
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_cb_action_performed, NULL);
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_plug = EVRY_PLUGIN_BASE(N_("Calculator"), _module_icon, EVRY_TYPE_TEXT,
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_begin, _finish, _fetch);
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_plug->history = EINA_FALSE;
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_plug->async_fetch = EINA_TRUE;
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if (evry->plugin_register(_plug, EVRY_PLUGIN_SUBJECT, 0))
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{
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Plugin_Config *pc = _plug->config;
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pc->view_mode = VIEW_MODE_LIST;
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pc->trigger = eina_stringshare_add("=");
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pc->trigger_only = EINA_TRUE;
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pc->aggregate = EINA_FALSE;
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/* pc->top_level = EINA_FALSE; */
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/* pc->min_query = 3; */
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}
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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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ecore_event_handler_del(action_handler);
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action_handler = NULL;
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EVRY_PLUGIN_FREE(_plug);
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}
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/***************************************************************************/
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Eina_Bool
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evry_plug_calc_init(E_Module *m EINA_UNUSED)
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{
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EVRY_MODULE_NEW(evry_module, evry, _plugins_init, _plugins_shutdown);
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return EINA_TRUE;
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}
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void
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evry_plug_calc_shutdown(void)
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{
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EVRY_MODULE_FREE(evry_module);
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}
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void
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evry_plug_calc_save(void){}
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