ecore_evas_basics_example.c

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ecore_evas_basics_example.c
#include <Ecore.h>
#include <Ecore_Evas.h>
#include <unistd.h>
static Eina_Bool
_stdin_cb(void *data EINA_UNUSED, Ecore_Fd_Handler *handler EINA_UNUSED)
{
Eina_List *l;
Ecore_Evas *ee;
char c;
int ret = scanf("%c", &c);
if (ret < 1) return ECORE_CALLBACK_RENEW;
if (c == 'h')
EINA_LIST_FOREACH(ecore_evas_ecore_evas_list_get(), l, ee)
ecore_evas_hide(ee);
else if (c == 's')
EINA_LIST_FOREACH(ecore_evas_ecore_evas_list_get(), l, ee)
ecore_evas_show(ee);
return ECORE_CALLBACK_RENEW;
}
static void
_on_delete(Ecore_Evas *ee)
{
free(ecore_evas_data_get(ee, "key"));
ecore_main_loop_quit();
}
int
main(void)
{
Ecore_Evas *ee;
Evas *canvas;
Evas_Object *bg;
Eina_List *engines, *l;
char *data;
if (ecore_evas_init() <= 0)
return 1;
engines = ecore_evas_engines_get();
printf("Available engines:\n");
EINA_LIST_FOREACH(engines, l, data)
printf("%s\n", data);
ecore_evas_engines_free(engines);
ee = ecore_evas_new(NULL, 0, 0, 200, 200, NULL);
ecore_evas_title_set(ee, "Ecore Evas basics Example");
ecore_evas_show(ee);
data = malloc(sizeof(char) * 6);
sprintf(data, "%s", "hello");
ecore_evas_data_set(ee, "key", data);
ecore_evas_callback_delete_request_set(ee, _on_delete);
printf("Using %s engine!\n", ecore_evas_engine_name_get(ee));
canvas = ecore_evas_get(ee);
if (ecore_evas_ecore_evas_get(canvas) == ee)
printf("Everything is sane!\n");
bg = evas_object_rectangle_add(canvas);
evas_object_color_set(bg, 0, 0, 255, 255);
evas_object_resize(bg, 200, 200);
evas_object_show(bg);
ecore_evas_object_associate(ee, bg, ECORE_EVAS_OBJECT_ASSOCIATE_BASE);
ecore_main_fd_handler_add(STDIN_FILENO, ECORE_FD_READ, _stdin_cb, NULL, NULL, NULL);
ecore_main_loop_begin();
ecore_evas_free(ee);
ecore_evas_shutdown();
return 0;
}
Ecore_Evas.h
Evas wrapper functions.
ecore_evas_hide
EAPI void ecore_evas_hide(Ecore_Evas *ee)
Hides an Ecore_Evas' window.
Definition: ecore_evas.c:1488
ecore_evas_engines_get
EAPI Eina_List * ecore_evas_engines_get(void)
Returns a list of supported engine names.
Definition: ecore_evas.c:1006
ecore_evas_init
EAPI int ecore_evas_init(void)
Inits the Ecore_Evas system.
Definition: ecore_evas.c:602
ecore_evas_title_set
EAPI void ecore_evas_title_set(Ecore_Evas *ee, const char *t)
Sets the title of an Ecore_Evas' window.
Definition: ecore_evas.c:1527
ecore_evas_callback_delete_request_set
EAPI void ecore_evas_callback_delete_request_set(Ecore_Evas *ee, Ecore_Evas_Event_Cb func)
Sets a callback for Ecore_Evas delete request events.
Definition: ecore_evas.c:1176
ecore_evas_show
EAPI void ecore_evas_show(Ecore_Evas *ee)
Shows an Ecore_Evas' window.
Definition: ecore_evas.c:1480
ecore_evas_ecore_evas_get
EAPI Ecore_Evas * ecore_evas_ecore_evas_get(const Evas *e)
Returns the Ecore_Evas for this Evas.
Definition: ecore_evas.c:1074
ecore_evas_engine_name_get
EAPI const char * ecore_evas_engine_name_get(const Ecore_Evas *ee)
Gets the engine name used by this Ecore_Evas(window).
Definition: ecore_evas.c:1066
ecore_evas_ecore_evas_list_get
EAPI Eina_List * ecore_evas_ecore_evas_list_get(void)
Gets a list of all the ecore_evases.
Definition: ecore_evas.c:3827
ecore_evas_get
EAPI Evas * ecore_evas_get(const Ecore_Evas *ee)
Gets an Ecore_Evas's Evas.
Definition: ecore_evas.c:1300
ecore_evas_data_get
EAPI void * ecore_evas_data_get(const Ecore_Evas *ee, const char *key)
Retrieves user data associated with an Ecore_Evas.
Definition: ecore_evas.c:1092
ecore_evas_engines_free
EAPI void ecore_evas_engines_free(Eina_List *engines)
Free list returned by ecore_evas_engines_get()
Definition: ecore_evas.c:1012
ecore_evas_data_set
EAPI void ecore_evas_data_set(Ecore_Evas *ee, const char *key, const void *data)
Stores user data in an Ecore_Evas structure.
Definition: ecore_evas.c:1103
ecore_evas_new
EAPI Ecore_Evas * ecore_evas_new(const char *engine_name, int x, int y, int w, int h, const char *extra_options)
Creates a new Ecore_Evas based on engine name and common parameters.
Definition: ecore_evas.c:1039
ecore_evas_shutdown
EAPI int ecore_evas_shutdown(void)
Shuts down the Ecore_Evas system.
Definition: ecore_evas.c:666
ecore_evas_object_associate
EAPI Eina_Bool ecore_evas_object_associate(Ecore_Evas *ee, Evas_Object *obj, Ecore_Evas_Object_Associate_Flags flags)
Associates the given object to this ecore evas.
Definition: ecore_evas_util.c:223
ecore_evas_free
EAPI void ecore_evas_free(Ecore_Evas *ee)
Frees an Ecore_Evas.
Definition: ecore_evas.c:1083
Ecore_Fd_Handler
struct _Ecore_Fd_Handler Ecore_Fd_Handler
A handle for Fd handlers.
Definition: Ecore_Common.h:1380
ecore_main_fd_handler_add
Ecore_Fd_Handler * ecore_main_fd_handler_add(int fd, Ecore_Fd_Handler_Flags flags, Ecore_Fd_Cb func, const void *data, Ecore_Fd_Cb buf_func, const void *buf_data)
Adds a callback for activity on the given file descriptor.
Definition: ecore_main.c:1449
ECORE_FD_READ
@ ECORE_FD_READ
Fd Read mask.
Definition: Ecore_Common.h:1388
ECORE_CALLBACK_RENEW
#define ECORE_CALLBACK_RENEW
Return value to keep a callback.
Definition: Ecore_Common.h:153
ecore_main_loop_quit
void ecore_main_loop_quit(void)
Quits the main loop once all the events currently on the queue have been processed.
Definition: ecore_main.c:1321
ecore_main_loop_begin
void ecore_main_loop_begin(void)
Runs the application main loop.
Definition: ecore_main.c:1311
EINA_LIST_FOREACH
#define EINA_LIST_FOREACH(list, l, _data)
Definition for the macro to iterate over a list.
Definition: eina_list.h:1415
Eina_Bool
unsigned char Eina_Bool
Type to mimic a boolean.
Definition: eina_types.h:527
EINA_UNUSED
#define EINA_UNUSED
Used to indicate that a function parameter is purposely unused.
Definition: eina_types.h:339
Evas
Eo Evas
An opaque handle to an Evas canvas.
Definition: Evas_Common.h:163
evas_object_show
EVAS_API void evas_object_show(Evas_Object *eo_obj)
Makes the given Evas object visible.
Definition: evas_object_main.c:1814
evas_object_color_set
EVAS_API void evas_object_color_set(Evas_Object *obj, int r, int g, int b, int a)
Sets the general/main color of the given Evas object to the given one.
Definition: evas_object_main.c:2024
Evas_Object
Efl_Canvas_Object Evas_Object
An Evas Object handle.
Definition: Evas_Common.h:185
evas_object_resize
EVAS_API void evas_object_resize(Evas_Object *obj, Evas_Coord w, Evas_Coord h)
Changes the size of the given Evas object.
Definition: evas_object_main.c:1236
evas_object_rectangle_add
EVAS_API Evas_Object * evas_object_rectangle_add(Evas *e)
Adds a rectangle to the given evas.
Definition: evas_object_rectangle.c:78
_Eina_List
Type for a generic double linked list.
Definition: eina_list.h:318