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diff --git a/nuklear/demo/glfw_opengl3/main.c b/nuklear/demo/glfw_opengl3/main.c
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+/* nuklear - v1.17 - public domain */
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <stdarg.h>
+#include <string.h>
+#include <math.h>
+#include <assert.h>
+#include <math.h>
+#include <limits.h>
+#include <time.h>
+
+#include <GL/glew.h>
+#include <GLFW/glfw3.h>
+
+#define NK_INCLUDE_FIXED_TYPES
+#define NK_INCLUDE_STANDARD_IO
+#define NK_INCLUDE_STANDARD_VARARGS
+#define NK_INCLUDE_DEFAULT_ALLOCATOR
+#define NK_INCLUDE_VERTEX_BUFFER_OUTPUT
+#define NK_INCLUDE_FONT_BAKING
+#define NK_INCLUDE_DEFAULT_FONT
+#define NK_IMPLEMENTATION
+#define NK_GLFW_GL3_IMPLEMENTATION
+#include "../../nuklear.h"
+#include "nuklear_glfw_gl3.h"
+
+#define WINDOW_WIDTH 1200
+#define WINDOW_HEIGHT 800
+
+#define MAX_VERTEX_BUFFER 512 * 1024
+#define MAX_ELEMENT_BUFFER 128 * 1024
+
+#define UNUSED(a) (void)a
+#define MIN(a,b) ((a) < (b) ? (a) : (b))
+#define MAX(a,b) ((a) < (b) ? (b) : (a))
+#define LEN(a) (sizeof(a)/sizeof(a)[0])
+
+/* ===============================================================
+ *
+ * EXAMPLE
+ *
+ * ===============================================================*/
+/* This are some code examples to provide a small overview of what can be
+ * done with this library. To try out an example uncomment the include
+ * and the corresponding function. */
+/*#include "../style.c"*/
+/*#include "../calculator.c"*/
+/*#include "../overview.c"*/
+/*#include "../node_editor.c"*/
+
+/* ===============================================================
+ *
+ * DEMO
+ *
+ * ===============================================================*/
+static void error_callback(int e, const char *d)
+{printf("Error %d: %s\n", e, d);}
+
+int main(void)
+{
+ /* Platform */
+ static GLFWwindow *win;
+ int width = 0, height = 0;
+ struct nk_context *ctx;
+ struct nk_color background;
+
+ /* GLFW */
+ glfwSetErrorCallback(error_callback);
+ if (!glfwInit()) {
+ fprintf(stdout, "[GFLW] failed to init!\n");
+ exit(1);
+ }
+ glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
+ glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
+ glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
+#ifdef __APPLE__
+ glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
+#endif
+ win = glfwCreateWindow(WINDOW_WIDTH, WINDOW_HEIGHT, "Demo", NULL, NULL);
+ glfwMakeContextCurrent(win);
+ glfwGetWindowSize(win, &width, &height);
+
+ /* OpenGL */
+ glViewport(0, 0, WINDOW_WIDTH, WINDOW_HEIGHT);
+ glewExperimental = 1;
+ if (glewInit() != GLEW_OK) {
+ fprintf(stderr, "Failed to setup GLEW\n");
+ exit(1);
+ }
+
+ ctx = nk_glfw3_init(win, NK_GLFW3_INSTALL_CALLBACKS);
+ /* Load Fonts: if none of these are loaded a default font will be used */
+ /* Load Cursor: if you uncomment cursor loading please hide the cursor */
+ {struct nk_font_atlas *atlas;
+ nk_glfw3_font_stash_begin(&atlas);
+ /*struct nk_font *droid = nk_font_atlas_add_from_file(atlas, "../../../extra_font/DroidSans.ttf", 14, 0);*/
+ /*struct nk_font *roboto = nk_font_atlas_add_from_file(atlas, "../../../extra_font/Roboto-Regular.ttf", 14, 0);*/
+ /*struct nk_font *future = nk_font_atlas_add_from_file(atlas, "../../../extra_font/kenvector_future_thin.ttf", 13, 0);*/
+ /*struct nk_font *clean = nk_font_atlas_add_from_file(atlas, "../../../extra_font/ProggyClean.ttf", 12, 0);*/
+ /*struct nk_font *tiny = nk_font_atlas_add_from_file(atlas, "../../../extra_font/ProggyTiny.ttf", 10, 0);*/
+ /*struct nk_font *cousine = nk_font_atlas_add_from_file(atlas, "../../../extra_font/Cousine-Regular.ttf", 13, 0);*/
+ nk_glfw3_font_stash_end();
+ /*nk_style_load_all_cursors(ctx, atlas->cursors);*/
+ /*nk_style_set_font(ctx, &droid->handle);*/}
+
+ /* style.c */
+ /*set_style(ctx, THEME_WHITE);*/
+ /*set_style(ctx, THEME_RED);*/
+ /*set_style(ctx, THEME_BLUE);*/
+ /*set_style(ctx, THEME_DARK);*/
+
+ background = nk_rgb(28,48,62);
+ while (!glfwWindowShouldClose(win))
+ {
+ /* Input */
+ glfwPollEvents();
+ nk_glfw3_new_frame();
+
+ /* GUI */
+ if (nk_begin(ctx, "Demo", nk_rect(50, 50, 230, 250),
+ NK_WINDOW_BORDER|NK_WINDOW_MOVABLE|NK_WINDOW_SCALABLE|
+ NK_WINDOW_MINIMIZABLE|NK_WINDOW_TITLE))
+ {
+ enum {EASY, HARD};
+ static int op = EASY;
+ static int property = 20;
+ nk_layout_row_static(ctx, 30, 80, 1);
+ if (nk_button_label(ctx, "button"))
+ fprintf(stdout, "button pressed\n");
+
+ 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;
+
+ nk_layout_row_dynamic(ctx, 25, 1);
+ nk_property_int(ctx, "Compression:", 0, &property, 100, 10, 1);
+
+ nk_layout_row_dynamic(ctx, 20, 1);
+ nk_label(ctx, "background:", NK_TEXT_LEFT);
+ nk_layout_row_dynamic(ctx, 25, 1);
+ if (nk_combo_begin_color(ctx, background, nk_vec2(nk_widget_width(ctx),400))) {
+ nk_layout_row_dynamic(ctx, 120, 1);
+ background = nk_color_picker(ctx, background, NK_RGBA);
+ nk_layout_row_dynamic(ctx, 25, 1);
+ background.r = (nk_byte)nk_propertyi(ctx, "#R:", 0, background.r, 255, 1,1);
+ background.g = (nk_byte)nk_propertyi(ctx, "#G:", 0, background.g, 255, 1,1);
+ background.b = (nk_byte)nk_propertyi(ctx, "#B:", 0, background.b, 255, 1,1);
+ background.a = (nk_byte)nk_propertyi(ctx, "#A:", 0, background.a, 255, 1,1);
+ nk_combo_end(ctx);
+ }
+ }
+ nk_end(ctx);
+
+ /* -------------- EXAMPLES ---------------- */
+ /*calculator(ctx);*/
+ /*overview(ctx);*/
+ /*node_editor(ctx);*/
+ /* ----------------------------------------- */
+
+ /* Draw */
+ {float bg[4];
+ nk_color_fv(bg, background);
+ glfwGetWindowSize(win, &width, &height);
+ glViewport(0, 0, width, height);
+ glClear(GL_COLOR_BUFFER_BIT);
+ glClearColor(bg[0], bg[1], bg[2], bg[3]);
+ /* IMPORTANT: `nk_glfw_render` modifies some global OpenGL state
+ * with blending, scissor, face culling, depth test and viewport and
+ * defaults everything back into a default state.
+ * Make sure to either a.) save and restore or b.) reset your own state after
+ * rendering the UI. */
+ nk_glfw3_render(NK_ANTI_ALIASING_ON, MAX_VERTEX_BUFFER, MAX_ELEMENT_BUFFER);
+ glfwSwapBuffers(win);}
+ }
+ nk_glfw3_shutdown();
+ glfwTerminate();
+ return 0;
+}
+