added gui related files.

Makefile

@@ -1,2 +1,2 @@
 all:
-	gcc main.c -o elm-theme-viwer `pkg-config --cflags --libs elementary`
+	gcc main.c gui.c -o elm-theme-viwer `pkg-config --cflags --libs elementary`

gui.c

@@ -0,0 +1,18 @@
+#include <Elementary.h>
+
+void
+gui_create(void)
+{
+   Evas_Object *win, *box, *o;
+
+   win = elm_win_util_standard_add("elm-theme-viewer", "Elm Theme Viewer");
+   evas_object_resize(win, 300, 400);
+   evas_object_show(win);
+
+   box = o = elm_box_add(win);
+   evas_object_size_hint_weight_set(o, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
+   elm_win_resize_object_add(win, o);
+   evas_object_show(o);
+
+   return;
+}

gui.h

@@ -0,0 +1 @@
+void gui_create(void);

main.c

@@ -1,8 +1,11 @@
 #include <Elementary.h>
+#include "gui.h"
 
 EAPI_MAIN int
 elm_main(int argc, char **argv)
 {
+   gui_create();
+
    elm_run();
    elm_shutdown();