forked from enlightenment/efl
ecore_getopt: common callbacks go in.
ecore_evas_list_engines and geometry_parse, they're used in almost all applications using ecore_getopt, let's avoid replicating code. SVN revision: 38247
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@ -380,6 +380,12 @@ extern "C" {
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EAPI Eina_List *ecore_getopt_list_free(Eina_List *list);
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/* helper functions to be used with ECORE_GETOPT_CALLBACK_*() */
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EAPI unsigned char ecore_getopt_callback_ecore_evas_list_engines(const Ecore_Getopt *parser, const Ecore_Getopt_Desc *desc, const char *str, void *data, Ecore_Getopt_Value *storage);
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EAPI unsigned char ecore_getopt_callback_geometry_parse(const Ecore_Getopt *parser, const Ecore_Getopt_Desc *desc, const char *str, void *data, Ecore_Getopt_Value *storage);
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#ifdef __cplusplus
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}
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#endif
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@ -1639,3 +1639,64 @@ ecore_getopt_list_free(Eina_List *list)
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}
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return NULL;
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}
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/**
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* Helper ecore_getopt callback to list available Ecore_Evas engines.
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*
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* This will list all available engines except buffer, this is useful
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* for applications to let user choose how they should create windows
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* with ecore_evas_new().
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*
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* @c callback_data value is used as @c FILE* and says where to output
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* messages, by default it is @c stdout. You can specify this value
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* with ECORE_GETOPT_CALLBACK_FULL() or ECORE_GETOPT_CALLBACK_ARGS().
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*
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* If there is a boolean storage provided, then it is marked with 1
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* when this option is executed.
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*/
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unsigned char
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ecore_getopt_callback_ecore_evas_list_engines(const Ecore_Getopt *parser, const Ecore_Getopt_Desc *desc, const char *str, void *data, Ecore_Getopt_Value *storage)
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{
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Eina_List *lst, *n;
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const char *engine;
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FILE *fp = data;
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if (!fp)
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fp = stdout;
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lst = ecore_evas_engines_get();
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fputs("supported engines:\n", fp);
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EINA_LIST_FOREACH(lst, n, engine)
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if (strcmp(engine, "buffer") != 0)
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fprintf(fp, "\t%s\n", engine);
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ecore_evas_engines_free(lst);
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if (storage->boolp)
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*storage->boolp = 1;
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return 1;
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}
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/**
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* Helper ecore_getopt callback to parse geometry (x:y:w:h).
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*
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* Storage must be a pointer to @c Eina_Rectangle and will be used to
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* store the four values passed in the given string.
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*
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* @c callback_data value is ignored, you can safely use @c NULL.
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*/
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unsigned char
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ecore_getopt_callback_geometry_parse(const Ecore_Getopt *parser, const Ecore_Getopt_Desc *desc, const char *str, void *data, Ecore_Getopt_Value *storage)
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{
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Eina_Rectangle *v = (Eina_Rectangle *)storage->ptrp;
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if (sscanf(str, "%d:%d:%d:%d", &v->x, &v->y, &v->w, &v->h) != 4)
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{
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fprintf(stderr, "ERROR: incorrect geometry value '%s'\n", str);
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return 0;
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}
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return 1;
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}
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