diff options
Diffstat (limited to 'src/modules/everything/evry_plug_calc.c')
| -rw-r--r-- | src/modules/everything/evry_plug_calc.c | 306 |
1 files changed, 306 insertions, 0 deletions
diff --git a/src/modules/everything/evry_plug_calc.c b/src/modules/everything/evry_plug_calc.c new file mode 100644 index 0000000000..ed1724e847 --- /dev/null +++ b/src/modules/everything/evry_plug_calc.c @@ -0,0 +1,306 @@ +#include "e.h" +#include "evry_api.h" +// TODO - show error when input not parseable + +typedef struct _Plugin Plugin; + +struct _Plugin +{ + Evry_Plugin base; +}; + +static Eina_Bool _cb_data(void *data, int type, void *event); +static Eina_Bool _cb_error(void *data, int type, void *event); +static Eina_Bool _cb_del(void *data, int type, void *event); + +static const Evry_API *evry = NULL; +static Evry_Module *evry_module = NULL; +static Evry_Plugin *_plug; +static Ecore_Event_Handler *action_handler = NULL; + +static Ecore_Exe *exe = NULL; +static Eina_List *history = NULL; +static Eina_List *handlers = NULL; +static int error = 0; +static Eina_Bool active = EINA_FALSE; +static char _module_icon[] = "accessories-calculator"; +static Evry_Item *cur_item = NULL; + +static Evry_Plugin * +_begin(Evry_Plugin *plugin, const Evry_Item *item __UNUSED__) +{ + Evry_Item *it; + Plugin *p; + + if (active) + return NULL; + + EVRY_PLUGIN_INSTANCE(p, plugin) + + if (history) + { + const char *result; + + EINA_LIST_FREE(history, result) + { + it = EVRY_ITEM_NEW(Evry_Item, p, result, NULL, NULL); + it->context = eina_stringshare_ref(p->base.name); + p->base.items = eina_list_prepend(p->base.items, it); + eina_stringshare_del(result); + } + } + + it = EVRY_ITEM_NEW(Evry_Item, p, "0", NULL, NULL); + it->context = eina_stringshare_ref(p->base.name); + cur_item = it; + active = EINA_TRUE; + + return EVRY_PLUGIN(p); +} + +static int +_run_bc(Plugin *p) +{ + handlers = eina_list_append + (handlers, ecore_event_handler_add + (ECORE_EXE_EVENT_DATA, _cb_data, p)); + handlers = eina_list_append + (handlers, ecore_event_handler_add + (ECORE_EXE_EVENT_ERROR, _cb_error, p)); + handlers = eina_list_append + (handlers, ecore_event_handler_add + (ECORE_EXE_EVENT_DEL, _cb_del, p)); + + exe = ecore_exe_pipe_run("bc -l", + ECORE_EXE_PIPE_READ | + ECORE_EXE_PIPE_READ_LINE_BUFFERED | + ECORE_EXE_PIPE_WRITE | + ECORE_EXE_PIPE_ERROR | + ECORE_EXE_PIPE_ERROR_LINE_BUFFERED, + NULL); + return !!exe; +} + +static void +_finish(Evry_Plugin *plugin) +{ + GET_PLUGIN(p, plugin); + Ecore_Event_Handler *h; + Evry_Item *it; + int items = 0; + + EINA_LIST_FREE(p->base.items, it) + { + if ((items++ > 1) && (items < 10)) + history = eina_list_prepend(history, eina_stringshare_add(it->label)); + + EVRY_ITEM_FREE(it); + } + + EINA_LIST_FREE(handlers, h) + ecore_event_handler_del(h); + + if (exe) + { + ecore_exe_quit(exe); + ecore_exe_free(exe); + exe = NULL; + } + active = EINA_FALSE; + + E_FREE(p); +} + +static Eina_Bool +_cb_action_performed(__UNUSED__ void *data, __UNUSED__ int type, void *event) +{ + Eina_List *l; + Evry_Item *it, *it2, *it_old; + Evry_Event_Action_Performed *ev = event; + Evry_Plugin *p = _plug; + + if (!ev->it1 || !(ev->it1->plugin == p)) + return ECORE_CALLBACK_PASS_ON; + + if (!p->items) + return ECORE_CALLBACK_PASS_ON; + + /* remove duplicates */ + if (p->items->next) + { + it = p->items->data; + + EINA_LIST_FOREACH(p->items->next, l, it2) + { + if (!strcmp(it->label, it2->label)) + { + p->items = eina_list_promote_list(p->items, l); + evry->item_changed(it, 0, 1); + EVRY_PLUGIN_UPDATE(p, EVRY_UPDATE_ADD); + return ECORE_CALLBACK_PASS_ON; + } + } + } + + it_old = p->items->data; + it_old->selected = EINA_FALSE; + + it2 = EVRY_ITEM_NEW(Evry_Item, p, it_old->label, NULL, NULL); + it2->context = eina_stringshare_ref(p->name); + p->items = eina_list_prepend(p->items, it2); + evry->item_changed(it2, 0, 1); + EVRY_PLUGIN_UPDATE(p, EVRY_UPDATE_ADD); + + return ECORE_CALLBACK_PASS_ON; +} + +static int +_fetch(Evry_Plugin *plugin, const char *input) +{ + GET_PLUGIN(p, plugin); + + char buf[1024]; + + if (!input) return 0; + + if (!exe && !_run_bc(p)) return 0; + + if (!strncmp(input, "scale=", 6)) + snprintf(buf, 1024, "%s\n", input); + else + snprintf(buf, 1024, "scale=3;%s\n", input); + + ecore_exe_send(exe, buf, strlen(buf)); + + /* XXX after error we get no response for first input ?! - send a + second time...*/ + if (error) + { + ecore_exe_send(exe, buf, strlen(buf)); + error = 0; + } + + return !!(p->base.items); +} + +static Eina_Bool +_cb_data(void *data, int type __UNUSED__, void *event) +{ + Ecore_Exe_Event_Data *ev = event; + Evry_Plugin *p = data; + Evry_Item *it; + + if (ev->exe != exe) return ECORE_CALLBACK_PASS_ON; + + if (ev->lines) + { + it = cur_item; + eina_stringshare_del(it->label); + it->label = eina_stringshare_add(ev->lines->line); + + if (!(it = eina_list_data_get(p->items)) || (it != cur_item)) + { + p->items = eina_list_prepend(p->items, cur_item); + EVRY_PLUGIN_UPDATE(p, EVRY_UPDATE_ADD); + } + else if (it) evry->item_changed(it, 0, 0); + } + + return ECORE_CALLBACK_PASS_ON; +} + +static Eina_Bool +_cb_error(void *data, int type __UNUSED__, void *event) +{ + Ecore_Exe_Event_Data *ev = event; + Evry_Plugin *p = data; + + if (ev->exe != exe) + return ECORE_CALLBACK_PASS_ON; + + p->items = eina_list_remove(p->items, cur_item); + EVRY_PLUGIN_UPDATE(p, EVRY_UPDATE_ADD); + error = 1; + + return ECORE_CALLBACK_PASS_ON; +} + +static Eina_Bool +_cb_del(void *data __UNUSED__, int type __UNUSED__, void *event) +{ + Ecore_Exe_Event_Del *e = event; + + if (e->exe != exe) + return ECORE_CALLBACK_PASS_ON; + + exe = NULL; + return ECORE_CALLBACK_PASS_ON; +} + +static int +_plugins_init(const Evry_API *_api) +{ + if (evry_module->active) + return EINA_TRUE; + + evry = _api; + + if (!evry->api_version_check(EVRY_API_VERSION)) + return EINA_FALSE; + + action_handler = evry->event_handler_add(EVRY_EVENT_ACTION_PERFORMED, + _cb_action_performed, NULL); + + _plug = EVRY_PLUGIN_NEW(Evry_Plugin, N_("Calculator"), + _module_icon, + EVRY_TYPE_TEXT, + _begin, _finish, _fetch, NULL); + + _plug->history = EINA_FALSE; + _plug->async_fetch = EINA_TRUE; + + if (evry->plugin_register(_plug, EVRY_PLUGIN_SUBJECT, 0)) + { + Plugin_Config *pc = _plug->config; + pc->view_mode = VIEW_MODE_LIST; + pc->trigger = eina_stringshare_add("="); + pc->trigger_only = EINA_TRUE; + pc->aggregate = EINA_FALSE; + /* pc->top_level = EINA_FALSE; */ + /* pc->min_query = 3; */ + } + + return EINA_TRUE; +} + +static void +_plugins_shutdown(void) +{ + if (!evry_module->active) return; + + ecore_event_handler_del(action_handler); + action_handler = NULL; + + EVRY_PLUGIN_FREE(_plug); + + evry_module->active = EINA_FALSE; +} + +/***************************************************************************/ + +Eina_Bool +evry_plug_calc_init(E_Module *m) +{ + EVRY_MODULE_NEW(evry_module, evry, _plugins_init, _plugins_shutdown); + + return EINA_TRUE; +} + +void +evry_plug_calc_shutdown(void) +{ + EVRY_MODULE_FREE(evry_module); +} + +void +evry_plug_calc_save(void){} |