edje-box2.c

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edje-box2.c
#ifdef HAVE_CONFIG_H
# include "config.h"
#else
# define EINA_UNUSED
#endif
#ifndef PACKAGE_DATA_DIR
#define PACKAGE_DATA_DIR "."
#endif
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <Ecore.h>
#include <Evas.h>
#include <Ecore_Evas.h>
#include <Edje.h>
static const char commands[] = \
"commands are:\n"
"\tShift - remove box\n"
"\tCtrl - insert box\n"
"\tEsc - exit\n"
"\th - print help\n";
static void
custom_layout(Evas_Object *o, Evas_Object_Box_Data *p, void *data EINA_UNUSED)
{
Evas_Object_Box_Option *opt;
Eina_List *l;
int x, y, w, h;
int xx, yy, ww, hh;
int count;
evas_object_geometry_get(o, &x, &y, &w, &h);
count = eina_list_count(p->children);
ww = w / (count ? count : 1);
hh = h / (count ? count : 1);
if (ww < 1) ww = 1;
if (hh < 1) hh = 1;
xx = x;
yy = y;
EINA_LIST_FOREACH(p->children, l, opt)
{
evas_object_move(opt->obj, xx, yy);
xx += ww;
yy += hh;
}
}
static Evas_Object *
new_greenie_block(Evas *e)
{
Evas_Object *o;
o = evas_object_rectangle_add(e);
evas_object_resize(o, 10, 10);
evas_object_color_set(o, 0, 255, 0, 255);
evas_object_show(o);
return o;
}
static void
on_keydown(void *data, Evas *evas, Evas_Object *o EINA_UNUSED, void *einfo)
{
Evas_Event_Key_Down *ev;
Evas_Object *edje_obj;
const Evas_Modifier *mods;
ev = (Evas_Event_Key_Down *)einfo;
edje_obj = (Evas_Object *)data;
mods = evas_key_modifier_get(evas);
if (!strcmp(ev->key, "h"))
{
fprintf(stdout, commands);
return;
}
if (evas_key_modifier_is_set(mods, "Shift"))
{
int pos;
Evas_Object *obj = NULL;
pos = atoi(ev->key);
obj = edje_object_part_box_remove_at(edje_obj, "example/box", pos);
if (obj)
evas_object_del(obj);
return;
}
if (evas_key_modifier_is_set(mods, "Control"))
{
Evas_Object *obj;
int pos;
pos = atoi(ev->key);
obj = new_greenie_block(evas);
if (!edje_object_part_box_insert_at(edje_obj, "example/box", obj, pos))
edje_object_part_box_append(edje_obj, "example/box", obj);
return;
}
if (!strcmp(ev->key, "Escape"))
ecore_main_loop_quit();
}
static Evas_Object *
box_new(Ecore_Evas *ee, const char *edje_file_path, const char *name, int x, int y, int w, int h)
{
Evas_Object *edje_obj;
edje_obj = edje_object_add(ecore_evas_get(ee));
evas_object_move(edje_obj, x, y);
evas_object_resize(edje_obj, w, h);
if (!edje_object_file_set(edje_obj, edje_file_path, "example/group2"))
{
printf("error: could not load file object.\n");
}
evas_object_show(edje_obj);
evas_object_name_set(edje_obj, name);
ecore_evas_data_set(ee, "edje_obj", edje_obj);
return edje_obj;
}
static void
on_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_destroy(Ecore_Evas *ee EINA_UNUSED)
{
ecore_main_loop_quit();
}
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;
Evas_Object *last;
Evas_Object *o;
int w;
int h;
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, 640, 480, NULL);
if (!ee) goto shutdown_edje;
ecore_evas_callback_resize_set(ee, on_resize);
ecore_evas_callback_destroy_set(ee, on_destroy);
ecore_evas_geometry_get(ee, NULL, NULL, &w, &h);
evas = ecore_evas_get(ee);
bg = evas_object_rectangle_add(evas);
evas_object_resize(bg, w, h);
evas_object_show(bg);
evas_object_focus_set(bg, 1);
ecore_evas_data_set(ee, "background", bg);
edje_box_layout_register("custom_layout", custom_layout, NULL, NULL, NULL, NULL);
edje_obj = box_new(ee, edje_file, "box", 0, 0, w, h);
evas_object_event_callback_add(bg, EVAS_CALLBACK_KEY_DOWN, on_keydown, edje_obj);
for (i = 1; i <= 5; i++)
{
o = last = evas_object_rectangle_add(evas);
evas_object_size_hint_min_set(o, 50, 50);
evas_object_resize(o, 50, 50);
evas_object_color_set(o, 255, 0, 0, 128);
evas_object_show(o);
if (!edje_object_part_box_append(edje_obj, "example/box", o))
{
fprintf(stderr, "error appending child object!\n");
return 1;
}
}
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;
}