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efl/legacy/edje/src/bin/edje_player.c

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#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include <unistd.h>
#include <fcntl.h>
#include <ctype.h>
#ifdef HAVE_EVIL
# include <Evil.h>
#endif
#include <Evas.h>
#include <Ecore.h>
#include <Ecore_Getopt.h>
#include <Ecore_Evas.h>
#include <Edje.h>
struct opts {
char *file;
char *group;
Eina_Bool list_groups;
char *engine;
Eina_Rectangle size;
unsigned char color[3];
Eina_Bool borderless;
Eina_Bool sticky;
Eina_Bool shaped;
Eina_Bool alpha;
Eina_Bool print;
Eina_Bool slave_mode;
char *title;
};
static char *
_slave_mode_tok(char **p_arg)
{
char *s, *e;
Eina_Bool is_quoted;
if (!*p_arg) return NULL;
s = *p_arg;
while (isspace(*s))
s++;
if (*s == '\0')
{
*p_arg = NULL;
return NULL;
}
else if (*s == '"')
{
is_quoted = EINA_TRUE;
s++;
*p_arg = s;
}
else
{
is_quoted = EINA_FALSE;
*p_arg = s;
}
for (e = s; *e != '\0'; e++)
{
if ((!is_quoted) && (isspace(*e)))
break;
else if ((is_quoted) && (*e == '"'))
break;
}
if (*e == '\0') return NULL;
*e = '\0';
return e + 1;
}
static void
_slave_mode_signal(Evas_Object *edje, char *args)
{
char *emission, *source;
emission = args;
source = _slave_mode_tok(&emission);
_slave_mode_tok(&source);
if ((!emission) || (!source))
{
fputs("ERROR: Invalid command arguments.\n", stderr);
return;
}
edje_object_signal_emit(edje, emission, source);
}
static void
_slave_mode_info(Evas_Object *edje, char *args)
{
_slave_mode_tok(&args);
if (!args)
{
fputs("ERROR: Invalid command arguments.\n", stderr);
return;
}
if (!edje_object_part_exists(edje, args))
{
printf("INFO: \"%s\" does not exist.\n", args);
}
else
{
Evas_Coord x, y, w, h;
edje_object_part_geometry_get(edje, args, &x, &y, &w, &h);
printf("INFO: \"%s\" %d,%d,%d,%d\n", args, x, y, w, h);
}
}
static void
_slave_mode_quit(Evas_Object *edje __UNUSED__, char *args __UNUSED__)
{
puts("Bye!");
ecore_main_loop_quit();
}
static void
_slave_mode_help(Evas_Object *edje __UNUSED__, char *args __UNUSED__)
{
puts("Help:\n"
"One command per line, arguments separated by space. Strings may have "
"spaces if enclosed in quotes (\").\n"
"\n"
"\t<command> [arguments]\n"
"\n"
"Available commands:\n"
"\tsignal <source> <emission>\n"
"\t sends a signal to edje\n"
"\tinfo <part>\n"
"\t Print part geometry: <x>,<y>,<w>,<h>\n"
"\tquit\n"
"\t exit edje player.\n"
"\thelp\n"
"\t shows this message.\n");
/*
* Extension ideas (are they useful?):
* - message: send a message
* - data: show data value
* - color_class: set color class values (maybe also list?)
* - text_class: set text class values (maybe also list?)
* - play_set: change play state
* - animation_set: change animation state
*/
}
struct slave_cmd
{
const char *cmd;
void (*func)(Evas_Object *edje, char *args);
} _slave_mode_commands[] = {
{"signal", _slave_mode_signal},
{"info", _slave_mode_info},
{"quit", _slave_mode_quit},
{"help", _slave_mode_help},
{NULL, NULL}
};
static Eina_Bool
_slave_mode(void *data, Ecore_Fd_Handler *fd_handler)
{
Evas_Object *edje = data;
char buf[1024], *p;
const struct slave_cmd *itr;
size_t len;
if (ecore_main_fd_handler_active_get(fd_handler, ECORE_FD_ERROR))
{
fputs("ERROR: error on stdin! Exit.\n", stderr);
ecore_main_loop_quit();
return ECORE_CALLBACK_CANCEL;
}
if (!ecore_main_fd_handler_active_get(fd_handler, ECORE_FD_READ))
return ECORE_CALLBACK_RENEW;
if (!fgets(buf, sizeof(buf), stdin))
{
fputs("ERROR: end of stdin! Exit.\n", stderr);
ecore_main_loop_quit();
return ECORE_CALLBACK_CANCEL;
}
len = strlen(buf);
if (len < 1)
{
fputs("ERROR: no input! Try: help\n", stderr);
return ECORE_CALLBACK_RENEW;
}
if (buf[len - 1] == '\n')
{
len--;
buf[len] = '\0';
}
p = strchr(buf, ' ');
if (p)
{
*p = '\0';
p++;
while (isspace(*p))
p++;
if (*p == '\0')
p = NULL;
if (p)
{
char *q = p + strlen(p) - 1;
while (isspace(*q))
{
*q = '\0';
q--;
}
}
}
for (itr = _slave_mode_commands; itr->cmd; itr++)
{
if (strcmp(itr->cmd, buf) == 0)
{
itr->func(edje, p);
break;
}
}
return ECORE_CALLBACK_RENEW;
}
static void
_print_signal(void *data __UNUSED__, Evas_Object *o __UNUSED__, const char *emission, const char *source)
{
printf("SIGNAL: \"%s\" \"%s\"\n", emission, source);
}
static void
_print_message(void *data __UNUSED__, Evas_Object *edje __UNUSED__, Edje_Message_Type type, int id, void *msg)
{
const char *typestr;
char buf[64];
switch (type)
{
case EDJE_MESSAGE_NONE:
typestr = "NONE";
break;
case EDJE_MESSAGE_SIGNAL:
typestr = "SIGNAL";
break;
case EDJE_MESSAGE_STRING:
typestr = "STRING";
break;
case EDJE_MESSAGE_INT:
typestr = "INT";
break;
case EDJE_MESSAGE_FLOAT:
typestr = "FLOAT";
break;
case EDJE_MESSAGE_STRING_SET:
typestr = "STRING_SET";
break;
case EDJE_MESSAGE_INT_SET:
typestr = "INT_SET";
break;
case EDJE_MESSAGE_FLOAT_SET:
typestr = "FLOAT_SET";
break;
case EDJE_MESSAGE_STRING_INT:
typestr = "STRING_INT";
break;
case EDJE_MESSAGE_STRING_FLOAT:
typestr = "STRING_FLOAT";
break;
case EDJE_MESSAGE_STRING_INT_SET:
typestr = "INT_SET";
break;
case EDJE_MESSAGE_STRING_FLOAT_SET:
typestr = "FLOAT_SET";
break;
default:
snprintf(buf, sizeof(buf), "UNKNOWN(%d)", type);
typestr = buf;
}
printf("MESSAGE: type=%s, id=%d", typestr, id);
switch (type)
{
case EDJE_MESSAGE_NONE: break;
case EDJE_MESSAGE_SIGNAL: break;
case EDJE_MESSAGE_STRING:
{
Edje_Message_String *m = msg;
printf(" \"%s\"", m->str);
}
break;
case EDJE_MESSAGE_INT:
{
Edje_Message_Int *m = msg;
printf(" %d", m->val);
}
break;
case EDJE_MESSAGE_FLOAT:
{
Edje_Message_Float *m = msg;
printf(" %f", m->val);
}
break;
case EDJE_MESSAGE_STRING_SET:
{
Edje_Message_String_Set *m = msg;
int i;
for (i = 0; i < m->count; i++)
printf(" \"%s\"", m->str[i]);
}
break;
case EDJE_MESSAGE_INT_SET:
{
Edje_Message_Int_Set *m = msg;
int i;
for (i = 0; i < m->count; i++)
printf(" %d", m->val[i]);
}
break;
case EDJE_MESSAGE_FLOAT_SET:
{
Edje_Message_Float_Set *m = msg;
int i;
for (i = 0; i < m->count; i++)
printf(" %f", m->val[i]);
}
break;
case EDJE_MESSAGE_STRING_INT:
{
Edje_Message_String_Int *m = msg;
printf(" \"%s\" %d", m->str, m->val);
}
break;
case EDJE_MESSAGE_STRING_FLOAT:
{
Edje_Message_String_Float *m = msg;
printf(" \"%s\" %f", m->str, m->val);
}
break;
case EDJE_MESSAGE_STRING_INT_SET:
{
Edje_Message_String_Int_Set *m = msg;
int i;
printf(" \"%s\"", m->str);
for (i = 0; i < m->count; i++)
printf(" %d", m->val[i]);
}
break;
case EDJE_MESSAGE_STRING_FLOAT_SET:
{
Edje_Message_String_Float_Set *m = msg;
int i;
printf(" \"%s\"", m->str);
for (i = 0; i < m->count; i++)
printf(" %f", m->val[i]);
}
break;
default:
break;
}
putchar('\n');
}
static void
_reset_size_hints(void *data, Evas *e __UNUSED__, Evas_Object *stack, void *event_info __UNUSED__)
{
Evas_Coord minw, minh;
Evas_Object *edje = data;
edje_object_size_min_get(edje, &minw, &minh);
if ((minw <= 0) && (minh <= 0))
edje_object_size_min_calc(edje, &minw, &minh);
evas_object_size_hint_min_set(stack, minw, minh);
}
static Evas_Object *
_create_stack(Evas *evas, const struct opts *opts)
{
Evas_Object *stack = evas_object_box_add(evas);
if (!stack)
{
fputs("ERROR: could not create object stack (box).\n", stderr);
return NULL;
}
evas_object_box_layout_set(stack, evas_object_box_layout_stack, NULL, NULL);
evas_object_resize(stack, opts->size.w, opts->size.h);
evas_object_size_hint_weight_set(stack, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
evas_object_size_hint_align_set(stack, EVAS_HINT_FILL, EVAS_HINT_FILL);
evas_object_show(stack);
return stack;
}
static Evas_Object *
_create_bg(Evas *evas, const struct opts *opts)
{
const unsigned char *color = opts->color;
Evas_Object *bg = evas_object_rectangle_add(evas);
if (!bg)
{
fputs("ERROR: could not create background.\n", stderr);
return NULL;
}
evas_object_resize(bg, opts->size.w, opts->size.h);
evas_object_color_set(bg, color[0], color[1], color[2], 255);
evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
evas_object_size_hint_align_set(bg, EVAS_HINT_FILL, EVAS_HINT_FILL);
evas_object_show(bg);
return bg;
}
static Eina_Bool
_edje_load_or_show_error(Evas_Object *edje, const char *file, const char *group)
{
const char *errmsg;
int err;
if (edje_object_file_set(edje, file, group))
return EINA_TRUE;
err = edje_object_load_error_get(edje);
errmsg = edje_load_error_str(err);
fprintf(stderr, "ERROR: could not load edje file '%s', group '%s': %s\n",
file, group, errmsg);
return EINA_FALSE;
}
static Evas_Object *
_create_edje(Evas *evas, const struct opts *opts)
{
Evas_Coord minw, minh, maxw, maxh;
Evas_Object *edje = edje_object_add(evas);
if (!edje)
{
fputs("ERROR: could not create edje.\n", stderr);
return NULL;
}
if (opts->group)
{
if (!_edje_load_or_show_error(edje, opts->file, opts->group))
{
evas_object_del(edje);
return NULL;
}
}
else
{
if (edje_file_group_exists(opts->file, "main"))
{
if (!_edje_load_or_show_error(edje, opts->file, "main"))
{
evas_object_del(edje);
return NULL;
}
}
else
{
Eina_List *groups = edje_file_collection_list(opts->file);
const char *group;
if (!groups)
{
fprintf(stderr, "ERROR: file '%s' has no groups!\n",
opts->file);
evas_object_del(edje);
return NULL;
}
group = groups->data;
if (!_edje_load_or_show_error(edje, opts->file, group))
{
edje_file_collection_list_free(groups);
evas_object_del(edje);
return NULL;
}
edje_file_collection_list_free(groups);
}
}
edje_object_size_max_get(edje, &maxw, &maxh);
edje_object_size_min_get(edje, &minw, &minh);
if ((minw <= 0) && (minh <= 0))
edje_object_size_min_calc(edje, &minw, &minh);
evas_object_size_hint_max_set(edje, maxw, maxh);
evas_object_size_hint_min_set(edje, minw, minh);
evas_object_size_hint_weight_set(edje, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
evas_object_size_hint_align_set(edje, EVAS_HINT_FILL, EVAS_HINT_FILL);
evas_object_show(edje);
return edje;
}
static unsigned char _parse_color(__UNUSED__ const Ecore_Getopt *parser, __UNUSED__ const Ecore_Getopt_Desc *desc, const char *str, __UNUSED__ void *data, Ecore_Getopt_Value *storage)
{
unsigned char *color = (unsigned char *)storage->ptrp;
if (sscanf(str, "%hhu,%hhu,%hhu", color, color + 1, color + 2) != 3)
{
fprintf(stderr, "ERROR: incorrect color value '%s'\n", str);
return 0;
}
return 1;
}
static void _cb_delete(__UNUSED__ Ecore_Evas *ee)
{
ecore_main_loop_quit();
}
const Ecore_Getopt optdesc = {
"edje_player",
"%prog [options] <filename.edj>",
PACKAGE_VERSION,
"(C) 2010 Enlightenment",
"BSD with advertisement clause",
"Simple application to view edje files.",
0,
{
ECORE_GETOPT_STORE_STR
('g', "group", "The edje group to view (defaults to 'main')."),
ECORE_GETOPT_STORE_TRUE
('G', "list-groups", "The groups in the given file."),
ECORE_GETOPT_STORE_STR
('e', "engine", "The Ecore-Evas engine to use (see --list-engines)"),
ECORE_GETOPT_CALLBACK_NOARGS
('E', "list-engines", "list Ecore-Evas engines",
ecore_getopt_callback_ecore_evas_list_engines, NULL),
ECORE_GETOPT_CALLBACK_ARGS
('Z', "size", "size to use in wxh form.", "WxH",
ecore_getopt_callback_size_parse, NULL),
ECORE_GETOPT_CALLBACK_ARGS
('c', "bg-color", "Color of the background (if not shaped or alpha)",
"RRGGBB", _parse_color, NULL),
ECORE_GETOPT_STORE_TRUE
('b', "borderless", "Display window without border."),
ECORE_GETOPT_STORE_TRUE
('y', "sticky", "Display window sticky."),
ECORE_GETOPT_STORE_TRUE
('s', "shaped", "Display window shaped."),
ECORE_GETOPT_STORE_TRUE
('a', "alpha", "Display window with alpha channel "
"(needs composite manager!)"),
ECORE_GETOPT_STORE_STR
('t', "title", "Define the window title string"),
ECORE_GETOPT_STORE_TRUE
('p', "print", "Print signals and messages to stdout"),
ECORE_GETOPT_STORE_TRUE
('S', "slave-mode", "Listen for commands on stdin"),
ECORE_GETOPT_LICENSE('L', "license"),
ECORE_GETOPT_COPYRIGHT('C', "copyright"),
ECORE_GETOPT_VERSION('V', "version"),
ECORE_GETOPT_HELP('h', "help"),
ECORE_GETOPT_SENTINEL
}
};
int main(int argc, char **argv)
{
Ecore_Evas *win;
Evas *evas;
Evas_Object *stack, *edje;
struct opts opts;
Eina_Bool quit_option = EINA_FALSE;
int args;
Ecore_Getopt_Value values[] = {
ECORE_GETOPT_VALUE_STR(opts.group),
ECORE_GETOPT_VALUE_BOOL(opts.list_groups),
ECORE_GETOPT_VALUE_STR(opts.engine),
ECORE_GETOPT_VALUE_BOOL(quit_option),
ECORE_GETOPT_VALUE_PTR_CAST(opts.size),
ECORE_GETOPT_VALUE_PTR_CAST(opts.color),
ECORE_GETOPT_VALUE_BOOL(opts.borderless),
ECORE_GETOPT_VALUE_BOOL(opts.sticky),
ECORE_GETOPT_VALUE_BOOL(opts.shaped),
ECORE_GETOPT_VALUE_BOOL(opts.alpha),
ECORE_GETOPT_VALUE_STR(opts.title),
ECORE_GETOPT_VALUE_BOOL(opts.print),
ECORE_GETOPT_VALUE_BOOL(opts.slave_mode),
ECORE_GETOPT_VALUE_BOOL(quit_option),
ECORE_GETOPT_VALUE_BOOL(quit_option),
ECORE_GETOPT_VALUE_BOOL(quit_option),
ECORE_GETOPT_VALUE_BOOL(quit_option),
ECORE_GETOPT_VALUE_NONE
};
memset(&opts, 0, sizeof(opts));
if (!ecore_evas_init())
return EXIT_FAILURE;
if (!edje_init())
goto shutdown_ecore_evas;
edje_frametime_set(1.0/60.0);
args = ecore_getopt_parse(&optdesc, values, argc, argv);
if (args < 0)
{
fputs("Could not parse arguments.\n", stderr);
goto shutdown_edje;
}
else if (quit_option)
{
goto end;
}
else if (args >= argc)
{
fputs("Missing edje file to load.\n", stderr);
goto shutdown_edje;
}
ecore_app_args_set(argc, (const char **)argv);
opts.file = argv[args];
if (opts.list_groups)
{
Eina_List *groups, *n;
const char *group;
groups = edje_file_collection_list(opts.file);
printf("%d groups in file '%s':\n", eina_list_count(groups), opts.file);
EINA_LIST_FOREACH(groups, n, group)
printf("\t'%s'\n", group);
edje_file_collection_list_free(groups);
goto end;
}
win = ecore_evas_new(opts.engine, 0, 0, opts.size.w, opts.size.h, NULL);
if (!win)
{
fprintf(stderr,
"ERROR: could not create window of "
"size %dx%d using engine %s.\n",
opts.size.w, opts.size.h, opts.engine ? opts.engine : "(auto)");
goto shutdown_edje;
}
ecore_evas_callback_delete_request_set(win, _cb_delete);
evas = ecore_evas_get(win);
stack = _create_stack(evas, &opts);
if (!stack)
{
goto free_ecore_evas;
}
ecore_evas_object_associate(win, stack, ECORE_EVAS_OBJECT_ASSOCIATE_BASE);
if (opts.alpha)
ecore_evas_alpha_set(win, EINA_TRUE);
else if (opts.shaped)
ecore_evas_shaped_set(win, EINA_TRUE);
else
{
Evas_Object *bg = _create_bg(evas, &opts);
if (bg) evas_object_box_append(stack, bg);
}
edje = _create_edje(evas, &opts);
if (edje)
evas_object_box_append(stack, edje);
else
{
goto free_ecore_evas;
}
evas_object_event_callback_add(stack, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
_reset_size_hints, edje);
if (opts.print)
{
edje_object_signal_callback_add(edje, "*", "*", _print_signal, NULL);
edje_object_message_handler_set(edje, _print_message, NULL);
}
if (opts.slave_mode)
{
#ifndef _WIN32
int flags;
flags = fcntl(STDIN_FILENO, F_GETFL, 0);
flags |= O_NONBLOCK;
if (fcntl(STDIN_FILENO, F_SETFL, flags) < 0)
{
fprintf(stderr, "ERROR: Could not set stdin to non-block: %s\n",
strerror(errno));
goto free_ecore_evas;
}
ecore_main_fd_handler_add(STDIN_FILENO, ECORE_FD_READ | ECORE_FD_ERROR,
_slave_mode, edje, NULL, NULL);
#else
/* TODO: port the code above to Windows */
fprintf (stderr, "ERROR: slave mode not working on Windows\n");
goto free_ecore_evas;
#endif
}
ecore_evas_borderless_set(win, opts.borderless);
ecore_evas_sticky_set(win, opts.sticky);
if (opts.title)
ecore_evas_title_set(win, opts.title);
else
{
char buf[1024];
snprintf(buf, sizeof(buf), "Edje_Player - %s of %s",
opts.group, opts.file);
ecore_evas_title_set(win, buf);
}
if (opts.size.w <= 0) opts.size.w = 320;
if (opts.size.h <= 0) opts.size.h = 240;
ecore_evas_resize(win, opts.size.w, opts.size.h);
ecore_evas_show(win);
ecore_main_loop_begin();
ecore_evas_free(win);
end:
edje_shutdown();
ecore_evas_shutdown();
return 0;
free_ecore_evas:
ecore_evas_free(win);
shutdown_edje:
edje_shutdown();
shutdown_ecore_evas:
ecore_evas_shutdown();
return EXIT_FAILURE;
}
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