edje-color-class.c

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edje-color-class.c
#ifdef HAVE_CONFIG_H
# include "config.h"
#else
# define EINA_UNUSED
#endif
#ifndef PACKAGE_DATA_DIR
#define PACKAGE_DATA_DIR "."
#endif
#include <Ecore.h>
#include <Ecore_Evas.h>
#include <Edje.h>
#define WIDTH (400)
#define HEIGHT (400)
typedef int color[4]; /* rgba */
static Ecore_Evas *ee1, *ee2;
static Evas *evas1, *evas2;
static Evas_Object *bg1, *edje_obj1, *bg2, *edje_obj2;
static const char *selected_class;
static color colors_init_data[] =
{{255, 0, 0, 255}, /* red */
{0, 255, 0, 255}, /* green */
{0, 0, 255, 255}, /* blue */
{0, 0, 0, 255}, /* black */
{255, 255, 255, 255}, /* white */
{128, 128, 128, 255}, /* gray */
{255, 255, 0, 255}, /* yellow */
{255, 0, 255, 255} /* pink */
};
static char *color_names[] =
{"red", "green", "blue", "black", "white",
"gray", "yellow", "pink"};
static Eina_Bool
_get_color_from_name(const char *n, color *c)
{
int i;
for (i = 0; i < 8; i++)
if (!strcmp(n, color_names[i]))
{
(*c)[0] = (colors_init_data[i])[0];
(*c)[1] = (colors_init_data[i])[1];
(*c)[2] = (colors_init_data[i])[2];
(*c)[3] = (colors_init_data[i])[3];
return EINA_TRUE;
}
return EINA_FALSE;
}
static void
_color_classes_print(void)
{
Eina_List *classes;
char *class_name;
printf("Getting the color classes\n\n");
classes = edje_color_class_list();
EINA_LIST_FREE(classes, class_name)
{
int r1, r2, r3, g1, g2, g3, b1, b2, b3,
a1, a2, a3;
printf("\ncolor class: %s\n", class_name);
if (!edje_color_class_get(class_name, &r1, &g1, &b1, &a1,
&r2, &g2, &b2, &a2, &r3, &g3, &b3, &a3))
fprintf(stderr, "Cannot get the color class\n");
else
{
printf("Object color r: %d g: %d b: %d a: %d\n",
r1, g1, b1, a1);
printf("Text outline color r: %d g: %d b: %d a: %d\n",
r2, g2, b2, a2);
printf("Text shadow color r: %d g: %d b: %d a: %d\n",
r3, g3, b3, a3);
}
free(class_name);
}
}
static void
_on_destroy(Ecore_Evas *ee EINA_UNUSED)
{
ecore_main_loop_quit();
}
static void
_on_mouse_down(void *data EINA_UNUSED, Evas *e EINA_UNUSED, Evas_Object *obj, void *event_info)
{
Evas_Event_Mouse_Down *ev = event_info;
if (ev->button == 1)
{
if (obj == edje_obj1)
edje_color_class_del(selected_class);
else
edje_object_color_class_del(edje_obj2, selected_class);
}
}
/* here just to keep our example's window size
* in synchrony. */
static void
_canvas_resize_cb(Ecore_Evas *_ee)
{
int w, h;
ecore_evas_geometry_get(_ee, NULL, NULL, &w, &h);
if (_ee == ee1)
{
evas_object_resize(bg1, w, h);
evas_object_resize(edje_obj1, w, h);
}
else
{
evas_object_resize(bg2, w, h);
evas_object_resize(edje_obj2, w, h);
}
}
static void
_color_class_callback_delete(void *data, Evas_Object *obj EINA_UNUSED,
const char *emission, void *source EINA_UNUSED)
{
if (!strcmp(data, "process"))
printf("Color class: %s deleted on process level\n", emission);
else
printf("Color class: %s deleted on object level\n", emission);
}
static int
_create_windows(const char *edje_file_path)
{
/* this will give you a window with an Evas canvas under the first
* engine available */
ee1 = ecore_evas_new(NULL, 0, 0, WIDTH, HEIGHT, NULL);
if (!ee1)
return 0;
ee2 = ecore_evas_new(NULL, 0, 0, WIDTH, HEIGHT, NULL);
if (!ee2)
return 0;
ecore_evas_callback_destroy_set(ee1, _on_destroy);
ecore_evas_callback_resize_set(ee1, _canvas_resize_cb);
ecore_evas_title_set(ee1, "Edje Color Class Example");
ecore_evas_callback_destroy_set(ee2, _on_destroy);
ecore_evas_callback_resize_set(ee2, _canvas_resize_cb);
ecore_evas_title_set(ee2, "Edje Object Color Class Example");
evas1 = ecore_evas_get(ee1);
evas2 = ecore_evas_get(ee2);
bg1 = evas_object_rectangle_add(evas1);
evas_object_color_set(bg1, 255, 255, 255, 255); /* white bg */
evas_object_move(bg1, 0, 0); /* at canvas' origin */
evas_object_resize(bg1, WIDTH, HEIGHT); /* covers full canvas */
evas_object_show(bg1);
bg2 = evas_object_rectangle_add(evas2);
evas_object_color_set(bg2, 255, 255, 255, 255); /* white bg */
evas_object_move(bg2, 0, 0); /* at canvas' origin */
evas_object_resize(bg2, WIDTH, HEIGHT); /* covers full canvas */
evas_object_show(bg2);
edje_obj1 = edje_object_add(evas1);
evas_object_event_callback_add(edje_obj1, EVAS_CALLBACK_MOUSE_DOWN,
_on_mouse_down, NULL);
edje_object_file_set(edje_obj1, edje_file_path, "example_color_class");
evas_object_move(edje_obj1, 0, 0); /* at canvas' origin */
evas_object_resize(edje_obj1, WIDTH, HEIGHT);
edje_object_part_text_set(edje_obj1, "part_four", "EDJE EXAMPLE");
edje_object_signal_callback_add(edje_obj1, "color_class,del", "*",
(Edje_Signal_Cb) _color_class_callback_delete,
"process");
evas_object_show(edje_obj1);
edje_obj2 = edje_object_add(evas2);
evas_object_event_callback_add(edje_obj2, EVAS_CALLBACK_MOUSE_DOWN,
_on_mouse_down, NULL);
edje_object_file_set(edje_obj2, edje_file_path, "example_color_class");
evas_object_move(edje_obj2, 0, 0); /* at canvas' origin */
evas_object_resize(edje_obj2, WIDTH, HEIGHT);
edje_object_part_text_set(edje_obj2, "part_four", "EDJE OBJECT EXAMPLE");
edje_object_signal_callback_add(edje_obj2, "color_class,del", "*",
(Edje_Signal_Cb) _color_class_callback_delete,
"object");
evas_object_show(edje_obj2);
return 1;
}
int
main(int argc, char *argv[])
{
const char *edje_file = PACKAGE_DATA_DIR"/color-class.edj";
color c1, c2, c3;
int i;
if (argc != 5)
{
fprintf(stderr, "You have to use: %s color_class_name color1, color2," \
"color3\n", argv[0]);
fprintf(stderr, "Available colors:\n");
for (i = 0; i < 8; i++)
fprintf(stderr, "%s\n", color_names[i]);
return EXIT_FAILURE;
}
selected_class = argv[1];
if (!(_get_color_from_name(argv[2], &c1) &&
_get_color_from_name(argv[3], &c2) &&
_get_color_from_name(argv[4], &c3)))
{
fprintf(stderr, "Color not available!\n");
return EXIT_FAILURE;
}
if (!ecore_evas_init())
return EXIT_FAILURE;
if (!edje_init())
goto shutdown_ecore_evas;
if (!_create_windows(edje_file)) goto shutdown_edje;
edje_color_class_set(argv[1], /* class name */
c1[0], c1[1], c1[2], c1[3], /* Object color */
c2[0], c2[1], c2[2], c2[3], /* Text outline */
c3[0], c3[1], c3[2], c3[3]); /* Text shadow */
/* Setting an arbitrary value just to see the difference between */
/* process level and object level */
edje_object_color_class_set(edje_obj2, argv[1], /* class name */
128, 180, 77, 255, /* Object color */
200, 22, 86, 255, /* Text outline */
39, 90, 187, 255); /* Text shadow */
_color_classes_print();
ecore_evas_show(ee1);
ecore_evas_show(ee2);
ecore_main_loop_begin();
ecore_evas_free(ee1);
ecore_evas_shutdown();
edje_shutdown();
return EXIT_SUCCESS;
shutdown_edje:
edje_shutdown();
shutdown_ecore_evas:
ecore_evas_shutdown();
return EXIT_FAILURE;
}
Ecore_Evas.h
Evas wrapper functions.
Edje.h
Edje Graphical Design Library.
EVAS_CALLBACK_MOUSE_DOWN
@ EVAS_CALLBACK_MOUSE_DOWN
Mouse Button Down Event.
Definition: Evas_Common.h:422
ecore_evas_init
EAPI int ecore_evas_init(void)
Inits the Ecore_Evas system.
Definition: ecore_evas.c:602
ecore_evas_callback_destroy_set
EAPI void ecore_evas_callback_destroy_set(Ecore_Evas *ee, Ecore_Evas_Event_Cb func)
Sets a callback for Ecore_Evas destroy events.
Definition: ecore_evas.c:1185
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_show
EAPI void ecore_evas_show(Ecore_Evas *ee)
Shows an Ecore_Evas' window.
Definition: ecore_evas.c:1480
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_geometry_get
EAPI void ecore_evas_geometry_get(const Ecore_Evas *ee, int *x, int *y, int *w, int *h)
Gets the geometry of an Ecore_Evas.
Definition: ecore_evas.c:1362
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_callback_resize_set
EAPI void ecore_evas_callback_resize_set(Ecore_Evas *ee, Ecore_Evas_Event_Cb func)
Sets a callback for Ecore_Evas resize events.
Definition: ecore_evas.c:1140
ecore_evas_shutdown
EAPI int ecore_evas_shutdown(void)
Shuts down the Ecore_Evas system.
Definition: ecore_evas.c:666
ecore_evas_free
EAPI void ecore_evas_free(Ecore_Evas *ee)
Frees an Ecore_Evas.
Definition: ecore_evas.c:1083
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
edje_shutdown
int edje_shutdown(void)
Shuts down the Edje library.
Definition: edje_main.c:262
edje_init
int edje_init(void)
Initializes the Edje library.
Definition: edje_main.c:35
edje_color_class_del
void edje_color_class_del(const char *color_class)
Deletes edje color class.
Definition: edje_util.c:776
edje_object_color_class_set
Eina_Bool edje_object_color_class_set(Evas_Object *obj, const char *color_class, int r, int g, int b, int a, int r2, int g2, int b2, int a2, int r3, int g3, int b3, int a3)
Sets the object color class.
Definition: edje_util.c:908
edje_color_class_set
Eina_Bool edje_color_class_set(const char *color_class, int r, int g, int b, int a, int r2, int g2, int b2, int a2, int r3, int g3, int b3, int a3)
Sets Edje color class.
Definition: edje_util.c:696
edje_object_color_class_del
void edje_object_color_class_del(Evas_Object *obj, const char *color_class)
Delete the object color class.
Definition: edje_util.c:994
edje_color_class_list
Eina_List * edje_color_class_list(void)
Lists color classes.
Definition: edje_util.c:799
edje_color_class_get
Eina_Bool edje_color_class_get(const char *color_class, int *r, int *g, int *b, int *a, int *r2, int *g2, int *b2, int *a2, int *r3, int *g3, int *b3, int *a3)
Gets Edje color class.
Definition: edje_util.c:750
edje_object_add
Evas_Object * edje_object_add(Evas *evas)
Instantiates a new Edje object.
Definition: edje_smart.c:22
edje_object_signal_callback_add
void edje_object_signal_callback_add(Evas_Object *obj, const char *emission, const char *source, Edje_Signal_Cb func, void *data)
Adds a callback for an arriving Edje signal, emitted by a given Edje object.
Definition: edje_legacy.c:85
edje_object_file_set
Eina_Bool edje_object_file_set(Evas_Object *obj, const char *file, const char *group)
Sets the EDJ file (and group within it) to load an Edje object's contents from.
Definition: edje_smart.c:467
edje_object_part_text_set
Eina_Bool edje_object_part_text_set(const Evas_Object *obj, const char *part, const char *text)
Sets a given text to an Edje object TEXT or TEXTBLOCK parts.
Definition: edje_util.c:6723
EINA_LIST_FREE
#define EINA_LIST_FREE(list, data)
Definition for the macro to remove each list node while having access to each node's data.
Definition: eina_list.h:1629
EINA_TRUE
#define EINA_TRUE
boolean value TRUE (numerical value 1)
Definition: eina_types.h:539
EINA_FALSE
#define EINA_FALSE
boolean value FALSE (numerical value 0)
Definition: eina_types.h:533
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_event_callback_add
EVAS_API void evas_object_event_callback_add(Evas_Object *eo_obj, Evas_Callback_Type type, Evas_Object_Event_Cb func, const void *data)
Add (register) a callback function to a given Evas object event.
Definition: evas_callbacks.c:478
evas_object_move
EVAS_API void evas_object_move(Evas_Object *obj, Evas_Coord x, Evas_Coord y)
Move the given Evas object to the given location inside its canvas' viewport.
Definition: evas_object_main.c:1171
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
_Evas_Event_Mouse_Down
Mouse button press event.
Definition: Evas_Legacy.h:160
_Evas_Event_Mouse_Down::button
int button
Mouse button number that went down (1 - 32)
Definition: Evas_Legacy.h:161