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/**
* Simple Edje example illustrating animations functions.
*
* You'll need at least one Evas engine built for it (excluding the
* buffer one). See stdout/stderr for output.
*
* @verbatim
* edje_cc animations.edc && gcc -o edje-animations edje-animations.c `pkg-config --libs --cflags evas ecore ecore-evas edje`
* @endverbatim
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#else
# define __UNUSED__
#endif
#include <Ecore.h>
#include <Ecore_Evas.h>
#include <Edje.h>
#define WIDTH (400)
#define HEIGHT (300)
static const char commands[] = \
"commands are:\n"
"\t+ - increase frametime\n"
"\t- - decrease frametime\n"
"\t= - status of the animation\n"
"\ts - pause\n"
"\tp - play\n"
"\tf - freeze one object\n"
"\tF - freeze all objects\n"
"\tt - thaw one object\n"
"\tT - thaw all objects\n"
"\ta - start animation of one object\n"
"\tA - stop animation of one object\n"
"\tEsc - exit\n"
"\th - print help\n";
static double frametime = 1.0 / 30.0; /* default value */
static void
_on_delete_cb(Ecore_Evas *ee __UNUSED__)
{
ecore_main_loop_quit();
}
static void
_on_canvas_resize(Ecore_Evas *ee)
{
Evas_Object *bg;
Evas_Object *edje_obj;
int w;
int h;
bg = ecore_evas_data_get(ee, "background");
edje_obj = ecore_evas_data_get(ee, "edje_obj");
ecore_evas_geometry_get(ee, NULL, NULL, &w, &h);
evas_object_resize(bg, w, h);
evas_object_resize(edje_obj, w, h);
}
static void
_on_key_down(void *data __UNUSED__, Evas *evas __UNUSED__, Evas_Object *obj, void *event_info)
{
Evas_Event_Key_Down *ev;
double ft;
ev = (Evas_Event_Key_Down *)event_info;
if (!strcmp(ev->keyname, "h"))
{
fprintf(stdout, commands);
return;
}
else if (!strcmp(ev->key, "plus"))
{
frametime *= 2.0;
fprintf(stdout, "Increasing frametime to: %f\n", frametime);
edje_frametime_set(frametime);
}
else if (!strcmp(ev->key, "minus"))
{
frametime /= 2.0;
fprintf(stdout, "Decreasing frametime to: %f\n", frametime);
edje_frametime_set(frametime);
}
else if (!strcmp(ev->key, "equal"))
{
ft = edje_frametime_get();
fprintf(stdout, "Frametime: %f\n", ft);
if (edje_object_play_get(obj))
fprintf(stdout, "Object is playing\n");
else
fprintf(stdout, "Object was paused\n");
if (edje_object_animation_get(obj))
fprintf(stdout, "Animation is running\n");
else
fprintf(stdout, "Animation was stopped\n");
}
else if (!strcmp(ev->key, "s"))
{
edje_object_play_set(obj, EINA_FALSE);
fprintf(stdout, "Pausing the object\n");
}
else if (!strcmp(ev->key, "p"))
{
edje_object_play_set(obj, EINA_TRUE);
fprintf(stdout, "Playing the object\n");
}
else if (!strcmp(ev->key, "f"))
fprintf(stdout, "Freezing object. Count: %d\n", edje_object_freeze(obj));
else if (!strcmp(ev->key, "t"))
fprintf(stdout, "Thawing object. Count: %d\n", edje_object_thaw(obj));
else if (!strcmp(ev->key, "F"))
{
edje_freeze();
fprintf(stdout, "Freezing all objects\n");
}
else if (!strcmp(ev->key, "T"))
{
edje_thaw();
fprintf(stdout, "Thawing all objects\n");
}
else if (!strcmp(ev->key, "a"))
{
edje_object_animation_set(obj, EINA_TRUE);
fprintf(stdout, "Starting the animation in the Edje object\n");
}
else if (!strcmp(ev->key, "A"))
{
edje_object_animation_set(obj, EINA_FALSE);
fprintf(stdout, "Stopping the animation in the Edje object\n");
}
else if (!strcmp(ev->keyname, "Escape"))
ecore_main_loop_quit();
else
{
printf("unhandled key: %s\n", ev->keyname);
fprintf(stdout, commands);
}
}
int
main(int argc __UNUSED__, char *argv[])
{
char edje_file_path[PATH_MAX];
const char *edje_file = "animations.edj";
Ecore_Evas *ee;
Evas *evas;
Evas_Object *bg;
Evas_Object *edje_obj;
Eina_Prefix *pfx;
if (!ecore_evas_init())
return EXIT_FAILURE;
if (!edje_init())
goto shutdown_ecore_evas;
pfx = eina_prefix_new(argv[0], main,
"EDJE_EXAMPLES",
"edje/examples",
edje_file,
PACKAGE_BIN_DIR,
PACKAGE_LIB_DIR,
PACKAGE_DATA_DIR,
PACKAGE_DATA_DIR);
if (!pfx)
goto shutdown_edje;
/* this will give you a window with an Evas canvas under the first
* engine available */
ee = ecore_evas_new(NULL, 0, 0, WIDTH, HEIGHT, NULL);
if (!ee)
goto free_prefix;
ecore_evas_callback_delete_request_set(ee, _on_delete_cb);
ecore_evas_callback_resize_set(ee, _on_canvas_resize);
ecore_evas_title_set(ee, "Edje Animations Example");
evas = ecore_evas_get(ee);
bg = evas_object_rectangle_add(evas);
evas_object_color_set(bg, 255, 255, 255, 255); /* white bg */
evas_object_move(bg, 0, 0); /* at canvas' origin */
evas_object_resize(bg, WIDTH, HEIGHT); /* covers full canvas */
evas_object_show(bg);
ecore_evas_data_set(ee, "background", bg);
edje_obj = edje_object_add(evas);
snprintf(edje_file_path, sizeof(edje_file_path),
"%s/examples/%s", eina_prefix_data_get(pfx), edje_file);
edje_object_file_set(edje_obj, edje_file_path, "animations_group");
evas_object_move(edje_obj, 0, 0);
evas_object_resize(edje_obj, WIDTH, HEIGHT);
evas_object_show(edje_obj);
ecore_evas_data_set(ee, "edje_obj", edje_obj);
evas_object_event_callback_add(edje_obj, EVAS_CALLBACK_KEY_DOWN,
_on_key_down, NULL);
evas_object_focus_set(edje_obj, EINA_TRUE);
fprintf(stdout, commands);
ecore_evas_show(ee);
ecore_main_loop_begin();
eina_prefix_free(pfx);
ecore_evas_free(ee);
ecore_evas_shutdown();
edje_shutdown();
return EXIT_SUCCESS;
free_prefix:
eina_prefix_free(pfx);
shutdown_edje:
edje_shutdown();
shutdown_ecore_evas:
ecore_evas_shutdown();
return EXIT_FAILURE;
}
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