src/examples/signals2.c

   1 #ifdef HAVE_CONFIG_H
   2 #include "config.h"
   3 #else
   4 #define PACKAGE_EXAMPLES_DIR "."
   5 #define __UNUSED__
   6 #endif
   7
   8 #include <Ecore.h>
   9 #include <Ecore_Evas.h>
  10 #include <Edje.h>
  11 #include <stdio.h>
  12
  13 #define WIDTH     (700)
  14 #define HEIGHT    (700)
  15
  16 static void
  17 _on_delete(Ecore_Evas *ee __UNUSED__)
  18 {
  19    ecore_main_loop_quit();
  20 }
  21
  22 /* mouse over signals */
  23 static void
  24 _on_mouse_over(void *data, Evas_Object *edje_obj,
  25                const char *emission __UNUSED__, const char *source __UNUSED__)
  26 {
  27    Evas *evas;
  28    int x, y, mouseX, mouseY;
  29
  30    evas = (Evas *) data;
  31    evas_object_geometry_get(edje_obj, &x, &y, NULL, NULL);
  32
  33    evas_pointer_output_xy_get(evas, &mouseX, &mouseY);
  34
  35    if ((rand() % 2) == 0)
  36      x += ((mouseX - x) + (x / 4 + mouseY / 2));
  37    else
  38      x -= ((mouseX - x) + (x / 4 + mouseY / 2));
  39
  40    if ((rand() % 2) == 0)
  41      y += ((mouseY - y) + (y / 4 + mouseX / 2));
  42    else
  43      y -= ((mouseY - y) + (y / 4 + mouseX / 2));
  44
  45    if (x > WIDTH)
  46      x = WIDTH;
  47    else if (x < 0) x = 0;
  48
  49    if (y > HEIGHT)
  50      y = HEIGHT;
  51    else if (y < 0) y = 0;
  52
  53    fprintf(stdout, "Moving object to - (%d,%d)\n", x, y);
  54
  55    evas_object_move(edje_obj, x, y);
  56 }
  57
  58 int
  59 main(int argc __UNUSED__, char **argv)
  60 {
  61    const char *edje_file = "signalsBubble.edj";
  62    char edje_file_path[PATH_MAX];
  63    Eina_Prefix *pfx;
  64    Ecore_Evas *ee;
  65    Evas *evas;
  66    Evas_Object *bg;
  67    Evas_Object *edje_obj;
  68
  69    if (!ecore_evas_init()) return EXIT_FAILURE;
  70
  71    if (!edje_init()) goto shutdown_ecore_evas;
  72
  73    pfx = eina_prefix_new(argv[0], main, "EDJE_EXAMPLES", "edje/examples",
  74                          edje_file, PACKAGE_BIN_DIR, PACKAGE_LIB_DIR,
  75                          PACKAGE_DATA_DIR, PACKAGE_DATA_DIR);
  76
  77    if (!pfx) goto shutdown_edje;
  78
  79    ee = ecore_evas_new(NULL, 0, 0, WIDTH, HEIGHT, NULL);
  80
  81    if (!ee) goto eina_prefix_free;
  82
  83    ecore_evas_callback_delete_request_set(ee, _on_delete);
  84    ecore_evas_title_set(ee, "Edje animations and signals");
  85
  86    evas = ecore_evas_get(ee);
  87
  88    bg = evas_object_rectangle_add(evas);
  89    evas_object_color_set(bg, 255, 255, 255, 255); //White
  90    evas_object_move(bg, 0, 0); //orign
  91    evas_object_resize(bg, WIDTH, HEIGHT); //cover the window
  92    evas_object_show(bg);
  93
  94    ecore_evas_object_associate(ee, bg, ECORE_EVAS_OBJECT_ASSOCIATE_BASE);
  95    evas_object_focus_set(bg, EINA_TRUE);
  96
  97    edje_obj = edje_object_add(evas);
  98
  99    snprintf(edje_file_path, sizeof(edje_file_path), "%s/examples/%s",
 100             eina_prefix_data_get(pfx), edje_file);
 101
 102    if (!edje_object_file_set(edje_obj, edje_file_path, "image_group"))
 103      {
 104         int err = edje_object_load_error_get(edje_obj);
 105         const char *errmsg = edje_load_error_str(err);
 106         fprintf(stderr, "Could not load the edje file - reason:%s\n", errmsg);
 107         goto eina_prefix_free;
 108      }
 109
 110    edje_object_signal_callback_add(edje_obj, "mouse,move", "part_image",
 111                                    _on_mouse_over, evas);
 112    evas_object_resize(edje_obj, 63, 63);
 113    evas_object_move(edje_obj, 50, 50);
 114    evas_object_show(edje_obj);
 115
 116    ecore_evas_show(ee);
 117
 118    ecore_main_loop_begin();
 119
 120    eina_prefix_free(pfx);
 121    ecore_evas_free(ee);
 122    edje_shutdown();
 123    ecore_evas_shutdown();
 124
 125    return EXIT_SUCCESS;
 126
 127    eina_prefix_free: eina_prefix_free(pfx);
 128
 129    shutdown_edje: edje_shutdown();
 130
 131    shutdown_ecore_evas: ecore_evas_shutdown();
 132
 133    return EXIT_FAILURE;
 134 }