Fix radio buttons

Readme.md

@@ -56,40 +56,58 @@ This is very important not doing it either leads to compiler errors or even wors
 
 ```c
 /* init gui state */
-struct nk_context ctx;
-nk_init_fixed(&ctx, calloc(1, MAX_MEMORY), MAX_MEMORY, &font);
+struct nk_context *ctx = (nk_context*) malloc(sizeof(nk_context));
+nk_init_fixed(ctx, calloc(1, MAX_MEMORY), MAX_MEMORY, &font);
 
-enum {EASY, HARD};
-static int op = EASY;
+enum { EASY, NORMAL, HARD };
+static int op = EASY, active[3]{ 1, 0, 1 }, selected{};
 static float value = 0.6f;
 static int i =  20;
-
-if (nk_begin(&ctx, "Show", nk_rect(50, 50, 220, 220),
-    NK_WINDOW_BORDER|NK_WINDOW_MOVABLE|NK_WINDOW_CLOSABLE)) {
-    /* fixed widget pixel width */
-    nk_layout_row_static(&ctx, 30, 80, 1);
-    if (nk_button_label(&ctx, "button")) {
-        /* event handling */
-    }
-
-    /* fixed widget window ratio width */
-    nk_layout_row_dynamic(&ctx, 30, 2);
-    if (nk_option_label(&ctx, "easy", op == EASY)) op = EASY;
-    if (nk_option_label(&ctx, "hard", op == HARD)) op = HARD;
-
-    /* custom widget pixel width */
-    nk_layout_row_begin(&ctx, NK_STATIC, 30, 2);
-    {
-        nk_layout_row_push(&ctx, 50);
-        nk_label(&ctx, "Volume:", NK_TEXT_LEFT);
-        nk_layout_row_push(&ctx, 110);
-        nk_slider_float(&ctx, 0, &value, 1.0f, 0.1f);
-    }
-    nk_layout_row_end(&ctx);
+static size_t test{};
+
+static char const * biomes[] = {
+	"Large biome",
+	"Small biome"
+};
+
+static int biomeCount = int(sizeof(biomes) / sizeof(biomes[0]));
+
+if (nk_begin(ctx, "Show", nk_rect(50, 50, 300, 350),
+             NK_WINDOW_BORDER|NK_WINDOW_SCALABLE|NK_WINDOW_MOVABLE|NK_WINDOW_TITLE)) {
+
+	// fixed widget pixel width
+	nk_layout_row_static(ctx, 30, 150, 1);
+	if (nk_button_label(ctx, "Play"))
+		myPlayFunction();
+
+	// fixed widget window ratio width
+	nk_layout_row_dynamic(ctx, 30, 2);
+	if (nk_option_label(ctx, "Easy", op == EASY)) op = EASY;
+	if (nk_option_label(ctx, "Normal", op == NORMAL)) op = NORMAL;
+	if (nk_option_label(ctx, "Hard", op == HARD)) op = HARD;
+
+	nk_layout_row_dynamic(ctx, 30, 2);
+	nk_checkbox_label(ctx, "Silver", active);
+	nk_checkbox_label(ctx, "Bronze", active + 1);
+	nk_checkbox_label(ctx, "Gold", active + 2);
+
+	nk_layout_row_dynamic(ctx, 30, 2);
+	nk_combobox(ctx, names, biome_count, &selected, 30, nk_vec2(150, 200));
+
+	// custom widget pixel width
+	nk_layout_row_begin(ctx, NK_STATIC, 30, 2);
+	{
+		nk_layout_row_push(ctx, 50);
+		nk_label(ctx, "Volume:", NK_TEXT_LEFT);
+		nk_layout_row_push(ctx, 110);
+		nk_slider_float(ctx, 0, &value, 1.0f, 0.1f);
+		nk_progress(ctx, &test, 100, 1);
+	}
+	nk_layout_row_end(ctx);
 }
-nk_end(&ctx);
+nk_end(ctx);
 ```
-![example](https://cloud.githubusercontent.com/assets/8057201/10187981/584ecd68-675c-11e5-897c-822ef534a876.png)
+![example](img/test%20window.png)
 
 ## Bindings
 There are a number of nuklear bindings for different languges created by other authors.