1 files changed, 114 insertions, 61 deletions

diff --git a/libraries/edje/src/examples/edje-drag.c b/libraries/edje/src/examples/edje-drag.c
index 78e2e72..bb61b68 100644
--- a/libraries/edje/src/examples/edje-drag.c
+++ b/libraries/edje/src/examples/edje-drag.c
@@ -10,10 +10,9 @@
  */
 
 #ifdef HAVE_CONFIG_H
-#include "config.h"
+# include "config.h"
 #else
-#define PACKAGE_EXAMPLES_DIR "."
-#define __UNUSED__
+# define __UNUSED__
 #endif
 
 #include <Ecore.h>
@@ -28,15 +27,17 @@
 
 #define NRECTS 20
 
-static const char *PARTNAME = "example/knob";
-
-static const char *edje_file_path = PACKAGE_EXAMPLES_DIR "/drag.edj";
+static const char commands[] = \
+  "commands are:\n"
+  "\tDdown - set drag step to 1\n"
+  "\tUp - set drag step to -1\n"
+  "\tm - set drag value to 0.5\n"
+  "\tPrior - set drag page to -1\n"
+  "\tNext - set drag page to -1\n"
+  "\tEsc - exit\n"
+  "\th - print help\n";
 
-struct _App {
-    Ecore_Evas *ee;
-    Evas_Object *edje;
-    Evas_Object *bg;
-};
+static const char *PARTNAME = "example/knob";
 
 static void
 _on_destroy(Ecore_Evas *ee __UNUSED__)
@@ -47,111 +48,163 @@ _on_destroy(Ecore_Evas *ee __UNUSED__)
 /* here just to keep our example's window size and background image's
  * size in synchrony */
 static void
-_canvas_resize_cb(Ecore_Evas *ee)
+_on_canvas_resize(Ecore_Evas *ee)
 {
-   int w, h;
-   struct _App *app = ecore_evas_data_get(ee, "app");
+   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(app->bg, w, h);
-   evas_object_resize(app->edje, w, h);
+   evas_object_resize(bg, w, h);
+   evas_object_resize(edje_obj, w, h);
 }
 
 static void
-_bg_key_down(void *data, Evas *e, Evas_Object *o __UNUSED__, void *event_info)
+_on_bg_key_down(void *data, Evas *e __UNUSED__, Evas_Object *o __UNUSED__, void *event_info)
 {
-   struct _App *app = data;
-   Evas_Event_Key_Down *ev = event_info;
-   Evas_Object *rect;
-   Eina_Bool r;
+   Ecore_Evas          *ee;
+   Evas_Event_Key_Down *ev;
+   Evas_Object         *edje_obj;
 
+   ee = (Ecore_Evas *)data;
+   ev = (Evas_Event_Key_Down *)event_info;
+   edje_obj = ecore_evas_data_get(ee, "edje_obj");
 
-   if (!strcmp(ev->keyname, "Down"))
+   if (!strcmp(ev->keyname, "h"))
      {
-        edje_object_part_drag_step(app->edje, PARTNAME, 0, 1.0);
+        fprintf(stdout, commands);
+        return;
+     }
+   else if (!strcmp(ev->keyname, "Down"))
+     {
+        edje_object_part_drag_step(edje_obj, PARTNAME, 0, 1.0);
      }
    else if (!strcmp(ev->keyname, "Up"))
      {
-        edje_object_part_drag_step(app->edje, PARTNAME, 0, -1.0);
+        edje_object_part_drag_step(edje_obj, PARTNAME, 0, -1.0);
      }
    else if (!strcmp(ev->keyname, "m"))
      {
-        edje_object_part_drag_value_set(app->edje, PARTNAME, 0.0, 0.5);
+        edje_object_part_drag_value_set(edje_obj, PARTNAME, 0.0, 0.5);
      }
    else if (!strcmp(ev->keyname, "Prior"))
      {
-        edje_object_part_drag_page(app->edje, PARTNAME, 0.0, -1.0);
+        edje_object_part_drag_page(edje_obj, PARTNAME, 0.0, -1.0);
      }
    else if (!strcmp(ev->keyname, "Next"))
      {
-        edje_object_part_drag_page(app->edje, PARTNAME, 0.0, 1.0);
+        edje_object_part_drag_page(edje_obj, PARTNAME, 0.0, 1.0);
      }
    else if (!strcmp(ev->keyname, "Escape"))
      ecore_main_loop_quit();
    else
-     printf("unhandled key: %s\n", ev->keyname);
+     {
+        printf("unhandled key: %s\n", ev->keyname);
+        fprintf(stdout, commands);
+     }
 }
 
 static void
-_knob_moved_cb(void *data, Evas_Object *o, const char *emission, const char *source)
+_on_knob_moved(void *data __UNUSED__, Evas_Object *o, const char *emission __UNUSED__, const char *source __UNUSED__)
 {
    double val;
+
    edje_object_part_drag_value_get(o, PARTNAME, NULL, &val);
    printf("value changed to: %0.3f\n", val);
 }
 
 int
-main(void)
+main(int argc __UNUSED__, char *argv[])
 {
-   Evas *evas;
-   struct _App app;
-   int i;
-
-   ecore_evas_init();
-   edje_init();
+   char         edje_file_path[PATH_MAX];
+   const char  *edje_file = "drag.edj";
+   Ecore_Evas  *ee;
+   Evas        *evas;
+   Evas_Object *bg;
+   Evas_Object *edje_obj;
+   Eina_Prefix *pfx;
+
+   if (!ecore_evas_init())
+     return EXIT_FAILURE;
+
+   if (!edje_init())
+     goto shutdown_ecore_evas;
+
+   pfx = eina_prefix_new(argv[0], main,
+                         "EDJE_EXAMPLES",
+                         "edje/examples",
+                         edje_file,
+                         PACKAGE_BIN_DIR,
+                         PACKAGE_LIB_DIR,
+                         PACKAGE_DATA_DIR,
+                         PACKAGE_DATA_DIR);
+   if (!pfx)
+     goto shutdown_edje;
 
    /* this will give you a window with an Evas canvas under the first
     * engine available */
-   app.ee = ecore_evas_new(NULL, 0, 0, WIDTH, HEIGHT, NULL);
-
-   ecore_evas_callback_destroy_set(app.ee, _on_destroy);
-   ecore_evas_callback_resize_set(app.ee, _canvas_resize_cb);
-   ecore_evas_title_set(app.ee, "Edje Box Example");
-   ecore_evas_show(app.ee);
+   ee = ecore_evas_new(NULL, 0, 0, WIDTH, HEIGHT, NULL);
+   if (!ee)
+     goto free_prefix;
 
-   ecore_evas_data_set(app.ee, "app", &app);
+   ecore_evas_callback_destroy_set(ee, _on_destroy);
+   ecore_evas_callback_resize_set(ee, _on_canvas_resize);
+   ecore_evas_title_set(ee, "Edje Box Example");
 
-   evas = ecore_evas_get(app.ee);
+   evas = ecore_evas_get(ee);
 
-   app.bg = evas_object_rectangle_add(evas);
-   evas_object_color_set(app.bg, 255, 255, 255, 255);
-   evas_object_resize(app.bg, WIDTH, HEIGHT);
-   evas_object_focus_set(app.bg, EINA_TRUE);
-   evas_object_show(app.bg);
+   bg = evas_object_rectangle_add(evas);
+   evas_object_color_set(bg, 255, 255, 255, 255);
+   evas_object_resize(bg, WIDTH, HEIGHT);
+   evas_object_focus_set(bg, EINA_TRUE);
+   evas_object_show(bg);
+   ecore_evas_data_set(ee, "background", bg);
 
-   evas_object_event_callback_add(app.bg, EVAS_CALLBACK_KEY_DOWN, _bg_key_down, &app);
+   evas_object_event_callback_add(bg, EVAS_CALLBACK_KEY_DOWN, _on_bg_key_down, ee);
 
-   app.edje = edje_object_add(evas);
+   edje_obj = edje_object_add(evas);
 
-   edje_object_file_set(app.edje, edje_file_path, "example/group");
-   evas_object_move(app.edje, 0, 0);
-   evas_object_resize(app.edje, WIDTH, HEIGHT);
-   evas_object_show(app.edje);
+   snprintf(edje_file_path, sizeof(edje_file_path),
+            "%s/examples/%s", eina_prefix_data_get(pfx), edje_file);
+   edje_object_file_set(edje_obj, edje_file_path, "example/group");
+   evas_object_move(edje_obj, 0, 0);
+   evas_object_resize(edje_obj, WIDTH, HEIGHT);
+   evas_object_show(edje_obj);
+   ecore_evas_data_set(ee, "edje_obj", edje_obj);
 
-   edje_object_part_drag_size_set(app.edje, PARTNAME, 1.0, 0.4);
+   edje_object_part_drag_size_set(edje_obj, PARTNAME, 1.0, 0.4);
 
-   if (!edje_object_part_drag_step_set(app.edje, PARTNAME, 0.0, 0.1))
+   if (!edje_object_part_drag_step_set(edje_obj, PARTNAME, 0.0, 0.1))
      printf("error when setting drag step size.\n");
 
-   if (!edje_object_part_drag_page_set(app.edje, PARTNAME, 0.0, 0.3))
+   if (!edje_object_part_drag_page_set(edje_obj, PARTNAME, 0.0, 0.3))
      printf("error when setting drag page step size.\n");
 
-   edje_object_signal_callback_add(app.edje, "drag", PARTNAME, _knob_moved_cb, &app);
+   edje_object_signal_callback_add(edje_obj, "drag", PARTNAME, _on_knob_moved, NULL);
+
+   fprintf(stdout, commands);
+
+   ecore_evas_show(ee);
 
    ecore_main_loop_begin();
 
-   ecore_evas_free(app.ee);
+   eina_prefix_free(pfx);
+   ecore_evas_free(ee);
    ecore_evas_shutdown();
    edje_shutdown();
-   return 0;
+
+   return EXIT_SUCCESS;
+
+ free_prefix:
+   eina_prefix_free(pfx);
+ shutdown_edje:
+   edje_shutdown();
+ shutdown_ecore_evas:
+   ecore_evas_shutdown();
+
+   return EXIT_FAILURE;
 }