edje-box.c

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edje-box.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 300
#define HEIGHT 300
#define RECTW 30
#define RECTH 30
#define NRECTS 20
static const char commands[] = \
"commands are:\n"
"\ti - prepend rectangle\n"
"\ta - append rectangle\n"
"\tc - remove\n"
"\tEsc - exit\n"
"\th - print help\n";
static void
_on_destroy(Ecore_Evas *ee EINA_UNUSED)
{
ecore_main_loop_quit();
}
/* here just to keep our example's window size and background image's
* size in synchrony */
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_rect_mouse_down(void *data, Evas *e, Evas_Object *o, void *event_info)
{
Ecore_Evas *ee;
Evas_Event_Mouse_Down *ev;
Evas_Object *edje_obj;
ee = (Ecore_Evas *)data;
ev = (Evas_Event_Mouse_Down *)event_info;
edje_obj = ecore_evas_data_get(ee, "edje_obj");
if (ev->button == 1)
{
printf("Removing rect %p under the mouse pointer.\n", o);
edje_object_part_box_remove(edje_obj, "example/box", o);
evas_object_del(o);
}
else if (ev->button == 3)
{
Evas_Object *rect;
Eina_Bool r;
rect = evas_object_rectangle_add(e);
evas_object_color_set(rect, 0, 0, 255, 255);
evas_object_resize(rect, RECTW + 10, RECTH);
evas_object_show(rect);
printf("Inserting rect %p before the rectangle under the mouse pointer.\n", rect);
r = edje_object_part_box_insert_before(edje_obj, "example/box", rect, o);
if (!r)
printf("An error occurred when appending rect %p to the box.\n", rect);
evas_object_event_callback_add(rect, EVAS_CALLBACK_MOUSE_DOWN, _on_rect_mouse_down, NULL);
}
}
static void
_on_bg_key_down(void *data, Evas *e, Evas_Object *o EINA_UNUSED, void *event_info)
{
Ecore_Evas *ee;
Evas_Event_Key_Down *ev;
Evas_Object *edje_obj;
Evas_Object *rect;
Eina_Bool r;
ee = (Ecore_Evas *)data;
ev = (Evas_Event_Key_Down *)event_info;
edje_obj = ecore_evas_data_get(ee, "edje_obj");
if (!strcmp(ev->key, "h"))
{
fprintf(stdout, commands);
return;
}
if (!strcmp(ev->key, "i"))
{
rect = evas_object_rectangle_add(e);
evas_object_color_set(rect, 0, 0, 128, 255);
evas_object_resize(rect, RECTW + 30, RECTH);
evas_object_show(rect);
printf("Inserting rect %p before the rectangle under the mouse pointer.\n", rect);
r = edje_object_part_box_insert_at(edje_obj, "example/box", rect, 0);
if (!r)
printf("An error occurred when appending rect %p to the box.\n", rect);
evas_object_event_callback_add(rect, EVAS_CALLBACK_MOUSE_DOWN, _on_rect_mouse_down, NULL);
}
else if (!strcmp(ev->key, "a"))
{
rect = evas_object_rectangle_add(e);
evas_object_color_set(rect, 0, 128, 0, 255);
evas_object_resize(rect, RECTW, RECTH);
evas_object_show(rect);
printf("Inserting rect %p before the rectangle under the mouse pointer.\n", rect);
r = edje_object_part_box_append(edje_obj, "example/box", rect);
if (!r)
printf("An error occurred when appending rect %p to the box.\n", rect);
evas_object_event_callback_add(rect, EVAS_CALLBACK_MOUSE_DOWN, _on_rect_mouse_down, NULL);
}
else if (!strcmp(ev->key, "c"))
edje_object_part_box_remove_all(edje_obj, "example/box", EINA_TRUE);
else if (!strcmp(ev->key, "Escape"))
ecore_main_loop_quit();
else
{
printf("unhandled key: %s\n", ev->key);
fprintf(stdout, commands);
}
}
int
main(int argc EINA_UNUSED, char *argv[] EINA_UNUSED)
{
const char *edje_file = PACKAGE_DATA_DIR"/box.edj";
Ecore_Evas *ee;
Evas *evas;
Evas_Object *bg;
Evas_Object *edje_obj;
int i;
if (!ecore_evas_init())
return EXIT_FAILURE;
if (!edje_init())
goto shutdown_ecore_evas;
/* 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 shutdown_edje;
ecore_evas_callback_destroy_set(ee, _on_destroy);
ecore_evas_callback_resize_set(ee, _on_canvas_resize);
ecore_evas_title_set(ee, "Edje Box Example");
evas = ecore_evas_get(ee);
bg = evas_object_rectangle_add(evas);
evas_object_color_set(bg, 255, 255, 255, 255);
evas_object_resize(bg, WIDTH, HEIGHT);
evas_object_focus_set(bg, EINA_TRUE);
evas_object_show(bg);
ecore_evas_data_set(ee, "background", bg);
evas_object_event_callback_add(bg, EVAS_CALLBACK_KEY_DOWN, _on_bg_key_down, ee);
edje_obj = edje_object_add(evas);
edje_object_file_set(edje_obj, edje_file, "example/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);
for (i = 0; i < NRECTS; i++)
{
Evas_Object *rect;
Eina_Bool r = EINA_FALSE;
int red = (i * 10) % 256;
rect = evas_object_rectangle_add(evas);
evas_object_color_set(rect, red, 0, 0, 255);
evas_object_resize(rect, RECTW, RECTH);
r = edje_object_part_box_append(edje_obj, "example/box", rect);
if (!r)
printf("An error occurred when appending rect #%d to the box.\n", i);
evas_object_show(rect);
evas_object_event_callback_add(
rect, EVAS_CALLBACK_MOUSE_DOWN, _on_rect_mouse_down, ee);
}
fprintf(stdout, commands);
ecore_evas_show(ee);
ecore_main_loop_begin();
ecore_evas_free(ee);
ecore_evas_shutdown();
edje_shutdown();
return EXIT_SUCCESS;
shutdown_edje:
edje_shutdown();
shutdown_ecore_evas:
ecore_evas_shutdown();
return EXIT_FAILURE;
}