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/**
* Simple Edje example illustrating a custom box layout.
*
* You'll need at least one Evas engine built for it (excluding the
* buffer one). See stdout/stderr for output.
*
* @verbatim
* edje_cc box.edc && gcc -o edje-box2 edje-box2.c `pkg-config --libs --cflags evas ecore ecore-evas edje`
* @endverbatim
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#else
#define PACKAGE_EXAMPLES_DIR "."
#define __UNUSED__
#endif
#include <Ecore.h>
#include <Evas.h>
#include <Ecore_Evas.h>
#include <Edje.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
static const char *edje_file_path = PACKAGE_EXAMPLES_DIR "/box.edj";
struct _App {
Ecore_Evas *ee;
Evas *evas;
Evas_Object *bg;
Evas_Object *box;
};
static struct _App app;
static void
custom_layout(Evas_Object *o, Evas_Object_Box_Data *p, void *data)
{
int x, y, w, h;
int xx, yy, ww, hh;
int count;
Eina_List *l;
Evas_Object_Box_Option *opt;
evas_object_geometry_get(o, &x, &y, &w, &h);
count = eina_list_count(p->children);
ww = w / (count?:1);
hh = h / (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, void *einfo)
{
struct _App *app = data;
Evas_Event_Key_Down *ev = einfo;
const Evas_Modifier *mods;
mods = evas_key_modifier_get(evas);
if (evas_key_modifier_is_set(mods, "Shift"))
{
int pos;
Evas_Object *obj = NULL;
pos = atoi(ev->keyname);
obj = edje_object_part_box_remove_at(app->box, "example/box", pos);
if (obj)
evas_object_del(obj);
return;
}
if (evas_key_modifier_is_set(mods, "Control"))
{
Evas_Object *o;
int pos;
pos = atoi(ev->keyname);
o = new_greenie_block(app->evas);
if (!edje_object_part_box_insert_at(app->box, "example/box", o, pos))
edje_object_part_box_append(app->box, "example/box", o);
return;
}
if (strcmp(ev->keyname, "Escape") == 0)
ecore_main_loop_quit();
}
static Evas_Object *
box_new(Evas *evas, const char *name, int x, int y, int w, int h)
{
Evas_Object *o;
o = edje_object_add(evas);
evas_object_move(o, x, y);
evas_object_resize(o, w, h);
if (!edje_object_file_set(o, edje_file_path, "example/group2"))
{
printf("error: could not load file object.\n");
}
evas_object_show(o);
evas_object_name_set(o, name);
return o;
}
static void
on_resize(Ecore_Evas *ee)
{
int w, h;
evas_output_viewport_get(app.evas, NULL, NULL, &w, &h);
evas_object_resize(app.bg, w, h);
evas_object_resize(app.box, w, h);
}
static void
on_destroy(Ecore_Evas *ee)
{
ecore_main_loop_quit();
}
int
main(int argc, char *argv[])
{
Ecore_Evas *ee;
int w, h, i;
Evas_Object *last;
Evas_Object *o;
evas_init();
ecore_init();
ecore_evas_init();
edje_init();
ee = ecore_evas_new(NULL, 0, 0, 640, 480, NULL);
ecore_evas_show(ee);
app.ee = ee;
app.evas = ecore_evas_get(ee);
ecore_evas_callback_resize_set(ee, on_resize);
ecore_evas_callback_destroy_set(ee, on_destroy);
evas_output_viewport_get(app.evas, NULL, NULL, &w, &h);
app.bg = evas_object_rectangle_add(app.evas);
evas_object_resize(app.bg, w, h);
evas_object_show(app.bg);
evas_object_focus_set(app.bg, 1);
evas_object_event_callback_add(
app.bg, EVAS_CALLBACK_KEY_DOWN, on_keydown, &app);
edje_box_layout_register("custom_layout", custom_layout, NULL, NULL, NULL, NULL);
app.box = box_new(app.evas, "box", 0, 0, w, h);
for (i = 1; i <= 5; i++)
{
o = last = evas_object_rectangle_add(app.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(app.box, "example/box", o))
{
fprintf(stderr, "error appending child object!\n");
return 1;
}
}
ecore_main_loop_begin();
edje_shutdown();
ecore_evas_shutdown();
ecore_shutdown();
evas_shutdown();
return 0;
}
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