1 files changed, 226 insertions, 0 deletions

diff --git a/libraries/edje/src/examples/edje-basic.c b/libraries/edje/src/examples/edje-basic.c
new file mode 100644
index 0000000..2a7a862
--- /dev/null
+++ b/libraries/edje/src/examples/edje-basic.c
@@ -0,0 +1,226 @@
+/**
+ * Simple Edje example illustrating the very basic functions of the
+ * library
+ *
+ * You'll need at least one Evas engine built for it (excluding the
+ * buffer one). See stdout/stderr for output.
+ *
+ * @verbatim
+ * gcc -o edje-basic edje-basic.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 <Ecore_Evas.h>
+#include <Edje.h>
+#include <stdio.h>
+
+#define WIDTH  (300)
+#define HEIGHT (300)
+
+static const char *border_img_path = PACKAGE_EXAMPLES_DIR "/red.png";
+static const char *edje_file_path = PACKAGE_EXAMPLES_DIR "/basic.edj";
+
+static Ecore_Evas *ee;
+static Evas_Object *edje_obj;
+
+static const char commands[] = \
+  "commands are:\n"
+  "\ts - change Edje's global scaling factor\n"
+  "\tr - change center rectangle's scaling factor\n"
+  "\th - print help\n";
+
+static void
+_on_keydown(void        *data __UNUSED__,
+            Evas        *evas __UNUSED__,
+            Evas_Object *o __UNUSED__,
+            void        *einfo)
+{
+   Evas_Event_Key_Down *ev = einfo;
+
+   if (strcmp(ev->keyname, "h") == 0) /* print help */
+     {
+        fprintf(stdout, commands);
+        return;
+     }
+
+   if (strcmp(ev->keyname, "s") == 0) /* global scaling factor */
+     {
+        double scale = edje_scale_get();
+
+        printf("got scale %f\n", scale);
+
+        if (scale != 1.0) scale = 1.0;
+        else scale = 2.0;
+
+        edje_scale_set(scale);
+
+        fprintf(stdout, "Setting global scaling factor to %f.\n", scale);
+
+        return;
+     }
+
+   if (strcmp(ev->keyname, "r") == 0) /* individual scaling factor */
+     {
+        double scale = edje_object_scale_get(edje_obj);
+
+        printf("got scale %f\n", scale);
+
+        if (!scale) scale = 1.0;
+        else if (scale == 1.0) scale = 2.0;
+        else scale = 0.0;
+
+        edje_object_scale_set(edje_obj, scale);
+
+        fprintf(stdout, "Setting center rectangle's scaling factor to %f.\n",
+                scale);
+
+        return;
+     }
+}
+
+static void
+_on_delete(Ecore_Evas *ee __UNUSED__)
+{
+   ecore_main_loop_quit();
+}
+
+int
+main(void)
+{
+   Evas_Object *border, *bg;
+   int x, y, w, h;
+   Evas *evas;
+
+   if (!ecore_evas_init())
+     return EXIT_FAILURE;
+
+   if (!edje_init())
+     return EXIT_FAILURE;
+
+   /* 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 error;
+
+   ecore_evas_callback_delete_request_set(ee, _on_delete);
+   ecore_evas_title_set(ee, "Edje Basics Example");
+   ecore_evas_show(ee);
+
+   evas = ecore_evas_get(ee);
+
+   bg = evas_object_rectangle_add(evas);
+   evas_object_color_set(bg, 255, 255, 255, 255); /* white bg */
+   evas_object_move(bg, 0, 0); /* at canvas' origin */
+   evas_object_resize(bg, WIDTH, HEIGHT); /* covers full canvas */
+   evas_object_show(bg);
+   ecore_evas_object_associate(ee, bg, ECORE_EVAS_OBJECT_ASSOCIATE_BASE);
+
+   evas_object_focus_set(bg, EINA_TRUE);
+   evas_object_event_callback_add(
+       bg, EVAS_CALLBACK_KEY_DOWN, _on_keydown, NULL);
+
+   edje_obj = edje_object_add(evas);
+
+   /* exercising Edje loading error, on purpose */
+   if (!edje_object_file_set(edje_obj, edje_file_path, "unexistant_group"))
+     {
+        int err = edje_object_load_error_get(edje_obj);
+        const char *errmsg = edje_load_error_str(err);
+        fprintf(stderr, "Could not load 'unexistant_group' from basic.edj:"
+                        " %s\n", errmsg);
+     }
+
+   if (!edje_object_file_set(edje_obj, edje_file_path, "example_group"))
+     {
+        int err = edje_object_load_error_get(edje_obj);
+        const char *errmsg = edje_load_error_str(err);
+        fprintf(stderr, "Could not load 'example_group' from basic.edj: %s\n",
+                errmsg);
+
+        evas_object_del(edje_obj);
+        goto error_edj;
+     }
+
+   fprintf(stdout, "Loaded Edje object bound to group 'example_group' from"
+                   " file basic.edj with success!\n");
+
+   evas_object_move(edje_obj, 20, 20);
+   evas_object_resize(edje_obj, WIDTH - 40, HEIGHT - 40);
+   evas_object_show(edje_obj);
+
+   /* this is a border around the Edje object above, here just to
+    * emphasize its geometry */
+   border = evas_object_image_filled_add(evas);
+   evas_object_image_file_set(border, border_img_path, NULL);
+   evas_object_image_border_set(border, 2, 2, 2, 2);
+   evas_object_image_border_center_fill_set(border, EVAS_BORDER_FILL_NONE);
+
+   evas_object_resize(border, WIDTH - 40 + 4, HEIGHT - 40 + 4);
+   evas_object_move(border, 20 - 2, 20 - 2);
+   evas_object_show(border);
+
+   fprintf(stdout, "'example_data' data field in group 'example_group' has "
+                   "the value: %s\n", edje_object_data_get(edje_obj,
+                                                           "example_data"));
+
+   fprintf(stdout, "Testing if 'part_one' part exists: %s\n",
+           edje_object_part_exists(edje_obj, "part_one") ? "yes!" : "no");
+
+   edje_object_part_geometry_get(edje_obj, "part_one", &x, &y, &w, &h);
+   fprintf(stdout, "The geometry of that part inside the Edje object's area "
+                   "is: x = %d, y = %d, w = %d, h = %d\n", x, y, w, h);
+
+   evas_object_color_get(edje_object_part_object_get(edje_obj, "part_one"),
+                         &x, &y, &w, &h);
+   fprintf(stdout, "That part's color components are: r = %d, g = %d, b = %d,"
+                   " a = %d\n", x, y, w, h);
+
+   edje_object_size_max_get(edje_obj, &w, &h);
+   fprintf(stdout, "The Edje object's max. size is: %d, %d\n", w, h);
+
+   edje_object_size_min_get(edje_obj, &w, &h);
+   fprintf(stdout, "The Edje object's min. size is: %d, %d\n", w, h);
+
+   edje_object_size_min_calc(edje_obj, &w, &h);
+   fprintf(stdout, "The Edje object's min. size reported by min. size"
+                   " calculation is: w = %d, h = %d\n", w, h);
+
+   edje_object_size_min_restricted_calc(edje_obj, &w, &h, 500, 500);
+   fprintf(stdout, "The Edje object's min. size reported by *restricted* "
+                   "min. size calculation is: w = %d, h = %d\n", w, h);
+
+   edje_object_parts_extends_calc(edje_obj, &x, &y, &w, &h);
+   fprintf(stdout, "The Edje object's \"extended\" geometry is: x = %d, "
+                   "y = %d, w = %d, h = %d\n", x, y, w, h);
+
+   fprintf(stdout, commands);
+   ecore_main_loop_begin();
+
+   ecore_evas_free(ee);
+   ecore_evas_shutdown();
+   edje_shutdown();
+   return 0;
+
+error:
+   fprintf(stderr, "You got to have at least one evas engine built"
+                   " and linked up to ecore-evas for this example to run"
+                   " properly.\n");
+   ecore_evas_shutdown();
+   return -1;
+
+error_edj:
+   fprintf(stderr, "Failed to load basic.edj!\n");
+
+   ecore_evas_shutdown();
+   return -2;
+}
+