forked from enlightenment/efl
205 lines
4.3 KiB
C
205 lines
4.3 KiB
C
/**
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* Simple Edje example illustrating a custom box layout.
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*
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* You'll need at least one Evas engine built for it (excluding the
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* buffer one). See stdout/stderr for output.
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*
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* @verbatim
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* edje_cc box.edc && gcc -o edje-box2 edje-box2.c `pkg-config --libs --cflags evas ecore ecore-evas edje`
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* @endverbatim
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#else
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#define PACKAGE_EXAMPLES_DIR "."
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#define __UNUSED__
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#endif
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#include <Ecore.h>
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#include <Evas.h>
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#include <Ecore_Evas.h>
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#include <Edje.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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static const char *edje_file_path = PACKAGE_EXAMPLES_DIR "/box.edj";
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struct _App {
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Ecore_Evas *ee;
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Evas *evas;
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Evas_Object *bg;
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Evas_Object *box;
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};
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static struct _App app;
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static void
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custom_layout(Evas_Object *o, Evas_Object_Box_Data *p, void *data)
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{
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int x, y, w, h;
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int xx, yy, ww, hh;
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int count;
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Eina_List *l;
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Evas_Object_Box_Option *opt;
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evas_object_geometry_get(o, &x, &y, &w, &h);
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count = eina_list_count(p->children);
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ww = w / (count?:1);
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hh = h / (count?:1);
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if (ww < 1) ww = 1;
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if (hh < 1) hh = 1;
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xx = x;
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yy = y;
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EINA_LIST_FOREACH(p->children, l, opt)
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{
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evas_object_move(opt->obj, xx, yy);
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xx += ww;
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yy += hh;
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}
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}
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static Evas_Object *
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new_greenie_block(Evas *e)
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{
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Evas_Object *o;
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o = evas_object_rectangle_add(e);
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evas_object_resize(o, 10, 10);
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evas_object_color_set(o, 0, 255, 0, 255);
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evas_object_show(o);
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return o;
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}
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static void
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on_keydown(void *data, Evas *evas, Evas_Object *o, void *einfo)
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{
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struct _App *app = data;
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Evas_Event_Key_Down *ev = einfo;
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const Evas_Modifier *mods;
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mods = evas_key_modifier_get(evas);
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if (evas_key_modifier_is_set(mods, "Shift"))
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{
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int pos;
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Evas_Object *obj = NULL;
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pos = atoi(ev->keyname);
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obj = edje_object_part_box_remove_at(app->box, "example/box", pos);
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if (obj)
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evas_object_del(obj);
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return;
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}
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if (evas_key_modifier_is_set(mods, "Control"))
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{
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Evas_Object *o;
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int pos;
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pos = atoi(ev->keyname);
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o = new_greenie_block(app->evas);
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if (!edje_object_part_box_insert_at(app->box, "example/box", o, pos))
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edje_object_part_box_append(app->box, "example/box", o);
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return;
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}
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if (strcmp(ev->keyname, "Escape") == 0)
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ecore_main_loop_quit();
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}
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static Evas_Object *
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box_new(Evas *evas, const char *name, int x, int y, int w, int h)
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{
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Evas_Object *o;
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o = edje_object_add(evas);
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evas_object_move(o, x, y);
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evas_object_resize(o, w, h);
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if (!edje_object_file_set(o, edje_file_path, "example/group2"))
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{
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printf("error: could not load file object.\n");
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}
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evas_object_show(o);
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evas_object_name_set(o, name);
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return o;
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}
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static void
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on_resize(Ecore_Evas *ee)
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{
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int w, h;
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evas_output_viewport_get(app.evas, NULL, NULL, &w, &h);
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evas_object_resize(app.bg, w, h);
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evas_object_resize(app.box, w, h);
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}
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static void
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on_destroy(Ecore_Evas *ee)
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{
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ecore_main_loop_quit();
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}
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int
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main(int argc, char *argv[])
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{
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Ecore_Evas *ee;
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int w, h, i;
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Evas_Object *last;
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Evas_Object *o;
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evas_init();
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ecore_init();
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ecore_evas_init();
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edje_init();
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ee = ecore_evas_new(NULL, 0, 0, 640, 480, NULL);
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ecore_evas_show(ee);
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app.ee = ee;
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app.evas = ecore_evas_get(ee);
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ecore_evas_callback_resize_set(ee, on_resize);
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ecore_evas_callback_destroy_set(ee, on_destroy);
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evas_output_viewport_get(app.evas, NULL, NULL, &w, &h);
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app.bg = evas_object_rectangle_add(app.evas);
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evas_object_resize(app.bg, w, h);
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evas_object_show(app.bg);
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evas_object_focus_set(app.bg, 1);
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evas_object_event_callback_add(
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app.bg, EVAS_CALLBACK_KEY_DOWN, on_keydown, &app);
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edje_box_layout_register("custom_layout", custom_layout, NULL, NULL, NULL, NULL);
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app.box = box_new(app.evas, "box", 0, 0, w, h);
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for (i = 1; i <= 5; i++)
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{
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o = last = evas_object_rectangle_add(app.evas);
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evas_object_size_hint_min_set(o, 50, 50);
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evas_object_resize(o, 50, 50);
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evas_object_color_set(o, 255, 0, 0, 128);
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evas_object_show(o);
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if (!edje_object_part_box_append(app.box, "example/box", o))
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{
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fprintf(stderr, "error appending child object!\n");
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return 1;
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}
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}
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ecore_main_loop_begin();
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edje_shutdown();
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ecore_evas_shutdown();
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ecore_shutdown();
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evas_shutdown();
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return 0;
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}
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