示例#1
0
void nk_menu_wnd_main(nk_menu_handle_t *zr)
{
   struct nk_panel layout;
   struct nk_context *ctx = &zr->ctx;
   const int id           = ZRMENU_WND_MAIN;
   settings_t *settings   = config_get_ptr();

   if (nk_begin(ctx, &layout, "Main", nk_rect(-1, -1, 120, zr->size.x + 1),
         NK_WINDOW_NO_SCROLLBAR))
   {
      struct nk_panel menu;
      struct nk_panel node, context_menu;

      /* context menu */

      /* main menu */
      nk_menubar_begin(ctx);
      nk_layout_row_begin(ctx, NK_STATIC, 25, 1);
      nk_layout_row_push(ctx, 100);

      nk_layout_row_push(ctx, 60);
      nk_menubar_end(ctx);
   }


   /* save position and size to restore after context reset */
   nk_menu_set_state(zr, id, nk_window_get_position(ctx), nk_window_get_size(ctx));
   if (zr->size_changed)
      nk_window_set_size(ctx, nk_vec2(nk_window_get_size(ctx).x, zr->size.y));

   nk_end(ctx);
}
示例#2
0
NK_API void
nk_popup_end(struct nk_context *ctx)
{
    struct nk_window *win;
    struct nk_window *popup;

    NK_ASSERT(ctx);
    NK_ASSERT(ctx->current);
    NK_ASSERT(ctx->current->layout);
    if (!ctx || !ctx->current || !ctx->current->layout)
        return;

    popup = ctx->current;
    if (!popup->parent) return;
    win = popup->parent;
    if (popup->flags & NK_WINDOW_HIDDEN) {
        struct nk_panel *root;
        root = win->layout;
        while (root) {
            root->flags |= NK_WINDOW_REMOVE_ROM;
            root = root->parent;
        }
        win->popup.active = 0;
    }
    nk_push_scissor(&popup->buffer, nk_null_rect);
    nk_end(ctx);

    win->buffer = popup->buffer;
    nk_finish_popup(ctx, win);
    ctx->current = win;
    nk_push_scissor(&win->buffer, win->layout->clip);
}
示例#3
0
static void
canvas_end(struct nk_context *ctx, struct nk_canvas *canvas){
    nk_end(ctx);
    ctx->style.window.spacing = canvas->panel_padding;
    ctx->style.window.padding = canvas->item_spacing;
    ctx->style.window.fixed_background = canvas->window_background;
}
示例#4
0
int main(int argc, char** argv)
{
    GLFWwindow* window;
    struct nk_context* nk;
    struct nk_font_atlas* atlas;

    glfwSetErrorCallback(error_callback);

    if (!glfwInit())
        exit(EXIT_FAILURE);

    glfwWindowHint(GLFW_SCALE_TO_MONITOR, GLFW_TRUE);

    window = glfwCreateWindow(400, 400, "Opacity", NULL, NULL);
    if (!window)
    {
        glfwTerminate();
        exit(EXIT_FAILURE);
    }

    glfwMakeContextCurrent(window);
    gladLoadGL(glfwGetProcAddress);
    glfwSwapInterval(1);

    nk = nk_glfw3_init(window, NK_GLFW3_INSTALL_CALLBACKS);
    nk_glfw3_font_stash_begin(&atlas);
    nk_glfw3_font_stash_end();

    while (!glfwWindowShouldClose(window))
    {
        int width, height;
        struct nk_rect area;

        glfwGetWindowSize(window, &width, &height);
        area = nk_rect(0.f, 0.f, (float) width, (float) height);

        glClear(GL_COLOR_BUFFER_BIT);
        nk_glfw3_new_frame();
        if (nk_begin(nk, "", area, 0))
        {
            float opacity = glfwGetWindowOpacity(window);
            nk_layout_row_dynamic(nk, 30, 2);
            if (nk_slider_float(nk, 0.f, &opacity, 1.f, 0.001f))
                glfwSetWindowOpacity(window, opacity);
            nk_labelf(nk, NK_TEXT_LEFT, "%0.3f", opacity);
        }

        nk_end(nk);
        nk_glfw3_render(NK_ANTI_ALIASING_ON);

        glfwSwapBuffers(window);
        glfwWaitEventsTimeout(1.0);
    }

    nk_glfw3_shutdown();
    glfwTerminate();
    exit(EXIT_SUCCESS);
}
示例#5
0
void nk_menu_wnd_shader_parameters(nk_menu_handle_t *zr)
{
   unsigned i;
   video_shader_ctx_t shader_info;
   struct nk_panel layout;
   struct nk_context *ctx = &zr->ctx;
   const int id           = ZRMENU_WND_SHADER_PARAMETERS;
   settings_t *settings   = config_get_ptr();

   if (nk_begin(ctx, &layout, "Shader Parameters", nk_rect(240, 10, 300, 400),
         NK_WINDOW_CLOSABLE|NK_WINDOW_MINIMIZABLE|NK_WINDOW_MOVABLE|
         NK_WINDOW_SCALABLE|NK_WINDOW_BORDER))
   {
      struct nk_panel combo;
      static const char *themes[] = {"Dark", "Light"};
      enum   nk_menu_theme old     = zr->theme;

      nk_layout_row_dynamic(ctx, 30, 1);

      video_shader_driver_ctl(SHADER_CTL_GET_CURRENT_SHADER, &shader_info);

      if (shader_info.data)
      {
         for (i = 0; i < GFX_MAX_PARAMETERS; i++)
         {
            if (!string_is_empty(shader_info.data->parameters[i].desc))
            {
/*               if(shader_info.data->parameters[i].minimum == 0 &&
                     shader_info.data->parameters[i].maximum == 1 &&
                     shader_info.data->parameters[i].step == 1)
                  nk_checkbox_float(ctx, shader_info.data->parameters[i].desc,
                        &(shader_info.data->parameters[i].current));
               else*/
                  nk_property_float(ctx, shader_info.data->parameters[i].desc,
                        shader_info.data->parameters[i].minimum,
                        &(shader_info.data->parameters[i].current),
                        shader_info.data->parameters[i].maximum,
                        shader_info.data->parameters[i].step, 1);
            }
         }
      }
   }
   /* save position and size to restore after context reset */
   nk_menu_set_state(zr, id, nk_window_get_position(ctx), nk_window_get_size(ctx));
   nk_end(ctx);
}
示例#6
0
void nk_wnd_settings(nk_menu_handle_t *nk)
{
   unsigned i;
   video_shader_ctx_t shader_info;
   struct nk_panel layout;
   struct nk_context *ctx = &nk->ctx;
   const int id           = NK_WND_SETTINGS;

   if (nk_begin(ctx, &layout, "Settings", nk_rect(240, 10, 300, 400),
         NK_WINDOW_CLOSABLE|NK_WINDOW_MINIMIZABLE|NK_WINDOW_MOVABLE|
         NK_WINDOW_SCALABLE|NK_WINDOW_BORDER))
   {
      nk_layout_row_dynamic(ctx, 30, 1);
   }

   /* save position and size to restore after context reset */
   nk_wnd_set_state(nk, id, nk_window_get_position(ctx), nk_window_get_size(ctx));
   nk_end(ctx);
}
示例#7
0
 void StartingMenuScreen::update(nk_context* ctx)
 {
     for (auto ptr : {mSmLogo.get(), mFocus42.get()})
         ptr->update();
     auto renderer = FARender::Renderer::get();
     int32_t screenW, screenH;
     renderer->getWindowDimensions(screenW, screenH);
     Misc::ScopedSetter<float> setter(ctx->style.window.border, 0);
     auto bg = renderer->loadImage("ui_art/mainmenu.pcx")->getNkImage();
     nk_style_push_style_item(ctx, &ctx->style.window.fixed_background, nk_style_item_image(bg));
     if (nk_begin(
             ctx,
             "startingScreen",
             nk_rect(screenW / 2 - MenuHandler::menuWidth / 2, screenH / 2 - MenuHandler::menuHeight / 2, MenuHandler::menuWidth, MenuHandler::menuHeight),
             NK_WINDOW_NO_SCROLLBAR | NK_WINDOW_BACKGROUND))
         menuItems(ctx);
     nk_end(ctx);
     nk_style_pop_style_item(ctx);
 }
示例#8
0
void nk_menu_wnd_test(nk_menu_handle_t *zr)
{
   struct nk_panel layout;
   struct nk_context *ctx = &zr->ctx;
   const int id           = ZRMENU_WND_TEST;
   settings_t *settings   = config_get_ptr();

   if (nk_begin(ctx, &layout, "Test", nk_rect(140, 90, 500, 600),
         NK_WINDOW_CLOSABLE|NK_WINDOW_MINIMIZABLE|NK_WINDOW_MOVABLE|
         NK_WINDOW_SCALABLE|NK_WINDOW_BORDER))
   {
      unsigned size;
      struct nk_panel combo;
      menu_entry_t entry;
      static const char *themes[] = {"Dark", "Light"};
      enum   nk_menu_theme old     = zr->theme;

      nk_layout_row_dynamic(ctx, 30, 2);

      nk_layout_row_dynamic(ctx, 30, 4);
      //nk_checkbox_bool(ctx, "Show FPS", &(settings->fps_show));
      //nk_checkbox_bool(ctx, "Show FPS", &(settings->fps_show));
      //nk_checkbox_bool(ctx, "Show FPS", &(settings->fps_show));
      //nk_checkbox_bool(ctx, "Show FPS", &(settings->fps_show));
      nk_layout_row_dynamic(ctx, 30, 2);
      nk_label(ctx, "Volume:", NK_TEXT_LEFT);
      nk_slider_float(ctx, -80, &settings->audio.volume, 12, 0.5);
      nk_layout_row_dynamic(ctx, 30, 1);
      nk_property_int(ctx, "Max Users:", 1, (int*)&(settings->input.max_users),
         MAX_USERS, 1, 1);


      nk_label(ctx, "History:", NK_TEXT_LEFT);

      size = menu_entries_get_size();
   }
   /* save position and size to restore after context reset */
   nk_menu_set_state(zr, id, nk_window_get_position(ctx), nk_window_get_size(ctx));
   nk_end(ctx);
}
/* ===============================================================
 *
 *                          GRID
 *
 * ===============================================================*/
static void
grid_demo(struct nk_context *ctx, struct media *media)
{
    static char text[3][64];
    static int text_len[3];
    static const char *items[] = {"Item 0","item 1","item 2"};
    static int selected_item = 0;
    static int check = 1;

    int i;
    nk_style_set_font(ctx, &media->font_20->handle);
    if (nk_begin(ctx, "Grid Demo", nk_rect(600, 350, 275, 250),
        NK_WINDOW_TITLE|NK_WINDOW_BORDER|NK_WINDOW_MOVABLE|
        NK_WINDOW_NO_SCROLLBAR))
    {
        nk_style_set_font(ctx, &media->font_18->handle);
        nk_layout_row_dynamic(ctx, 30, 2);
        nk_label(ctx, "Floating point:", NK_TEXT_RIGHT);
        nk_edit_string(ctx, NK_EDIT_FIELD, text[0], &text_len[0], 64, nk_filter_float);
        nk_label(ctx, "Hexadecimal:", NK_TEXT_RIGHT);
        nk_edit_string(ctx, NK_EDIT_FIELD, text[1], &text_len[1], 64, nk_filter_hex);
        nk_label(ctx, "Binary:", NK_TEXT_RIGHT);
        nk_edit_string(ctx, NK_EDIT_FIELD, text[2], &text_len[2], 64, nk_filter_binary);
        nk_label(ctx, "Checkbox:", NK_TEXT_RIGHT);
        nk_checkbox_label(ctx, "Check me", &check);
        nk_label(ctx, "Combobox:", NK_TEXT_RIGHT);
        if (nk_combo_begin_label(ctx, items[selected_item], nk_vec2(nk_widget_width(ctx), 200))) {
            nk_layout_row_dynamic(ctx, 25, 1);
            for (i = 0; i < 3; ++i)
                if (nk_combo_item_label(ctx, items[i], NK_TEXT_LEFT))
                    selected_item = i;
            nk_combo_end(ctx);
        }
    }
    nk_end(ctx);
    nk_style_set_font(ctx, &media->font_14->handle);
}
/* nuklear - v1.00 - public domain */
static void
calculator(struct nk_context *ctx)
{
    if (nk_begin(ctx, "Calculator", nk_rect(10, 10, 180, 250),
        NK_WINDOW_BORDER|NK_WINDOW_NO_SCROLLBAR|NK_WINDOW_MOVABLE))
    {
        static int set = 0, prev = 0, op = 0;
        static const char numbers[] = "789456123";
        static const char ops[] = "+-*/";
        static double a = 0, b = 0;
        static double *current = &a;

        size_t i = 0;
        int solve = 0;
        {int len; char buffer[256];
        nk_layout_row_dynamic(ctx, 35, 1);
        len = snprintf(buffer, 256, "%.2f", *current);
        nk_edit_string(ctx, NK_EDIT_SIMPLE, buffer, &len, 255, nk_filter_float);
        buffer[len] = 0;
        *current = atof(buffer);}

        nk_layout_row_dynamic(ctx, 35, 4);
        for (i = 0; i < 16; ++i) {
            if (i >= 12 && i < 15) {
                if (i > 12) continue;
                if (nk_button_label(ctx, "C")) {
                    a = b = op = 0; current = &a; set = 0;
                } if (nk_button_label(ctx, "0")) {
                    *current = *current*10.0f; set = 0;
                } if (nk_button_label(ctx, "=")) {
                    solve = 1; prev = op; op = 0;
                }
            } else if (((i+1) % 4)) {
                if (nk_button_text(ctx, &numbers[(i/4)*3+i%4], 1)) {
                    *current = *current * 10.0f + numbers[(i/4)*3+i%4] - '0';
                    set = 0;
                }
            } else if (nk_button_text(ctx, &ops[i/4], 1)) {
                if (!set) {
                    if (current != &b) {
                        current = &b;
                    } else {
                        prev = op;
                        solve = 1;
                    }
                }
                op = ops[i/4];
                set = 1;
            }
        }
        if (solve) {
            if (prev == '+') a = a + b;
            if (prev == '-') a = a - b;
            if (prev == '*') a = a * b;
            if (prev == '/') a = a / b;
            current = &a;
            if (set) current = &b;
            b = 0; set = 0;
        }
    }
    nk_end(ctx);
}
/* ===============================================================
 *
 *                          DEMO
 *
 * ===============================================================*/
int main(void)
{
    /* Platform */
    sf::ContextSettings settings(24, 8, 4, 2, 2);
    sf::Window win(sf::VideoMode(WINDOW_WIDTH, WINDOW_HEIGHT), "Demo", sf::Style::Default, settings);
    win.setVerticalSyncEnabled(true);
    win.setActive(true);
    glViewport(0, 0, win.getSize().x, win.getSize().y);

    /* GUI */
    struct nk_context *ctx;
    ctx = nk_sfml_init(&win);
    /* 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_sfml_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_sfml_font_stash_end();
    /*nk_style_load_all_cursors(ctx, atlas->cursors);*/
    /*nk_style_set_font(ctx, &droid->handle);*/

    /* style.c */
    #ifdef INCLUDE_STYLE
    /*set_style(ctx, THEME_WHITE);*/
    /*set_style(ctx, THEME_RED);*/
    /*set_style(ctx, THEME_BLUE);*/
    /*set_style(ctx, THEME_DARK);*/
    #endif

    struct nk_colorf bg;
    bg.r = 0.10f, bg.g = 0.18f, bg.b = 0.24f, bg.a = 1.0f;
    while (win.isOpen())
    {
        /* Input */
        sf::Event evt;
        nk_input_begin(ctx);
        while(win.pollEvent(evt)) {
            if(evt.type == sf::Event::Closed)
                win.close();
            else if(evt.type == sf::Event::Resized)
                glViewport(0, 0, evt.size.width, evt.size.height);
            nk_sfml_handle_event(&evt);
        }
        nk_input_end(ctx);

        /* 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, nk_rgb_cf(bg), nk_vec2(nk_widget_width(ctx),400))) {
                nk_layout_row_dynamic(ctx, 120, 1);
                bg = nk_color_picker(ctx, bg, NK_RGBA);
                nk_layout_row_dynamic(ctx, 25, 1);
                bg.r = nk_propertyf(ctx, "#R:", 0, bg.r, 1.0f, 0.01f,0.005f);
                bg.g = nk_propertyf(ctx, "#G:", 0, bg.g, 1.0f, 0.01f,0.005f);
                bg.b = nk_propertyf(ctx, "#B:", 0, bg.b, 1.0f, 0.01f,0.005f);
                bg.a = nk_propertyf(ctx, "#A:", 0, bg.a, 1.0f, 0.01f,0.005f);
                nk_combo_end(ctx);
            }
        }
        nk_end(ctx);

        /* -------------- EXAMPLES ---------------- */
        #ifdef INCLUDE_CALCULATOR
          calculator(ctx);
        #endif
        #ifdef INCLUDE_OVERVIEW
          overview(ctx);
        #endif
        #ifdef INCLUDE_NODE_EDITOR
          node_editor(ctx);
        #endif
        /* ----------------------------------------- */

        /* Draw */
        win.setActive(true);
        nk_color_fv(bg, background);
        glClear(GL_COLOR_BUFFER_BIT);
        glClearColor(bg.r, bg.g, bg.b, bg.a);
        /* IMPORTANT: `nk_sfml_render` modifies some global OpenGL state
        * with blending, scissor, face culling and depth test and defaults everything
        * back into a default state. Make sure to either save and restore or
        * reset your own state after drawing rendering the UI. */
        nk_sfml_render(NK_ANTI_ALIASING_ON);
        win.display();
    }
    nk_sfml_shutdown();
    return 0;
}
示例#12
0
文件: main.c 项目: junxie6/nuklear
int main(void)
{
    GdipFont* font;
    struct nk_context *ctx;

    WNDCLASSW wc;
    RECT rect = { 0, 0, WINDOW_WIDTH, WINDOW_HEIGHT };
    DWORD style = WS_OVERLAPPEDWINDOW;
    DWORD exstyle = WS_EX_APPWINDOW;
    HWND wnd;
    int running = 1;
    int needs_refresh = 1;

    /* Win32 */
    memset(&wc, 0, sizeof(wc));
    wc.style = CS_DBLCLKS;
    wc.lpfnWndProc = WindowProc;
    wc.hInstance = GetModuleHandleW(0);
    wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
    wc.hCursor = LoadCursor(NULL, IDC_ARROW);
    wc.lpszClassName = L"NuklearWindowClass";
    RegisterClassW(&wc);

    AdjustWindowRectEx(&rect, style, FALSE, exstyle);

    wnd = CreateWindowExW(exstyle, wc.lpszClassName, L"Nuklear Demo",
        style | WS_VISIBLE, CW_USEDEFAULT, CW_USEDEFAULT,
        rect.right - rect.left, rect.bottom - rect.top,
        NULL, NULL, wc.hInstance, NULL);

    /* GUI */
    ctx = nk_gdip_init(wnd, WINDOW_WIDTH, WINDOW_HEIGHT);
    font = nk_gdipfont_create("Arial", 12);
    nk_gdip_set_font(font);

    /* style.c */
    /*set_style(ctx, THEME_WHITE);*/
    /*set_style(ctx, THEME_RED);*/
    /*set_style(ctx, THEME_BLUE);*/
    /*set_style(ctx, THEME_DARK);*/

    while (running)
    {
        /* Input */
        MSG msg;
        nk_input_begin(ctx);
        if (needs_refresh == 0) {
            if (GetMessageW(&msg, NULL, 0, 0) <= 0)
                running = 0;
            else {
                TranslateMessage(&msg);
                DispatchMessageW(&msg);
            }
            needs_refresh = 1;
        } else needs_refresh = 0;
        while (PeekMessageW(&msg, NULL, 0, 0, PM_REMOVE)) {
            if (msg.message == WM_QUIT)
                running = 0;
            TranslateMessage(&msg);
            DispatchMessageW(&msg);
            needs_refresh = 1;
        }
        nk_input_end(ctx);

        /* GUI */
        if (nk_begin(ctx, "Demo", nk_rect(50, 50, 200, 200),
            NK_WINDOW_BORDER|NK_WINDOW_MOVABLE|NK_WINDOW_SCALABLE|
            NK_WINDOW_CLOSABLE|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, 22, 1);
            nk_property_int(ctx, "Compression:", 0, &property, 100, 10, 1);
        }
        nk_end(ctx);

        /* -------------- EXAMPLES ---------------- */
        /*calculator(ctx);*/
        /*overview(ctx);*/
        /*node_editor(ctx);*/
        /* ----------------------------------------- */

        /* Draw */
        nk_gdip_render(NK_ANTI_ALIASING_ON, nk_rgb(30,30,30));
    }

    nk_gdipfont_del(font);
    nk_gdip_shutdown();
    UnregisterClassW(wc.lpszClassName, wc.hInstance);
    return 0;
}
示例#13
0
文件: main.c 项目: ytsarko/nuklear
/* ===============================================================
 *
 *                          DEMO
 *
 * ===============================================================*/
int
main(void)
{
    long dt;
    long started;
    int running = 1;
    XWindow xw;
    struct nk_context *ctx;

    /* X11 */
    memset(&xw, 0, sizeof xw);
    xw.dpy = XOpenDisplay(NULL);
    if (!xw.dpy) die("Could not open a display; perhaps $DISPLAY is not set?");

    xw.root = DefaultRootWindow(xw.dpy);
    xw.screen = XDefaultScreen(xw.dpy);
    xw.vis = XDefaultVisual(xw.dpy, xw.screen);
    xw.cmap = XCreateColormap(xw.dpy,xw.root,xw.vis,AllocNone);
    xw.swa.colormap = xw.cmap;
    xw.swa.event_mask =
        ExposureMask | KeyPressMask | KeyReleaseMask |
        ButtonPress | ButtonReleaseMask| ButtonMotionMask |
        Button1MotionMask | Button3MotionMask | Button4MotionMask | Button5MotionMask|
        PointerMotionMask | KeymapStateMask;
    xw.win = XCreateWindow(xw.dpy, xw.root, 0, 0, WINDOW_WIDTH, WINDOW_HEIGHT, 0,
        XDefaultDepth(xw.dpy, xw.screen), InputOutput,
        xw.vis, CWEventMask | CWColormap, &xw.swa);
    XStoreName(xw.dpy, xw.win, "X11");
    XMapWindow(xw.dpy, xw.win);
    XGetWindowAttributes(xw.dpy, xw.win, &xw.attr);
    xw.width = (unsigned int)xw.attr.width;
    xw.height = (unsigned int)xw.attr.height;

    /* GUI */
    xw.font = nk_xfont_create(xw.dpy, "fixed");
    ctx = nk_xlib_init(xw.font, xw.dpy, xw.screen, xw.win, xw.width, xw.height);

    /* style.c */
    /*set_style(ctx, THEME_WHITE);*/
    /*set_style(ctx, THEME_RED);*/
    /*set_style(ctx, THEME_BLUE);*/
    /*set_style(ctx, THEME_DARK);*/

    while (running)
    {
        /* Input */
        XEvent evt;
        started = timestamp();
        nk_input_begin(ctx);
        while (XCheckWindowEvent(xw.dpy, xw.win, xw.swa.event_mask, &evt)){
            if (XFilterEvent(&evt, xw.win)) continue;
            nk_xlib_handle_event(xw.dpy, xw.screen, xw.win, &evt);
        }
        nk_input_end(ctx);

        /* GUI */
        {struct nk_panel layout;
        if (nk_begin(ctx, &layout, "Demo", nk_rect(50, 50, 200, 200),
            NK_WINDOW_BORDER|NK_WINDOW_MOVABLE|NK_WINDOW_SCALABLE|
            NK_WINDOW_CLOSABLE|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_end(ctx);}
        if (nk_window_is_closed(ctx, "Demo")) break;

        /* -------------- EXAMPLES ---------------- */
        /*calculator(ctx);*/
        /*overview(ctx);*/
        /*node_editor(ctx);*/
        /* ----------------------------------------- */

        /* Draw */
        XClearWindow(xw.dpy, xw.win);
        nk_xlib_render(xw.win, nk_rgb(30,30,30));
        XFlush(xw.dpy);

        /* Timing */
        dt = timestamp() - started;
        if (dt < DTIME)
            sleep_for(DTIME - dt);
    }

    nk_xfont_del(xw.dpy, xw.font);
    nk_xlib_shutdown();
    XUnmapWindow(xw.dpy, xw.win);
    XFreeColormap(xw.dpy, xw.cmap);
    XDestroyWindow(xw.dpy, xw.win);
    XCloseDisplay(xw.dpy);
    return 0;
}
示例#14
0
文件: gui.c 项目: hyz/dotfiles
int gui_main(char const* (*gen_)(int), void (*poll_)(), void(*stop_)()) //(int ac, char* const av[])
{
    GdiFont* font;
    struct nk_context *ctx;

    WNDCLASSW wc;
    ATOM atom;
    RECT rect = { 0, 0, WINDOW_WIDTH, WINDOW_HEIGHT };
    DWORD style = WS_OVERLAPPEDWINDOW;
    DWORD exstyle = WS_EX_APPWINDOW;
    HWND wnd;
    HDC dc;
    int running = 1;
    int needs_refresh = 1;

    /* Win32 */
    memset(&wc, 0, sizeof(wc));
    wc.lpfnWndProc = WindowProc;
    wc.hInstance = GetModuleHandleW(0);
    wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
    wc.hCursor = LoadCursor(NULL, IDC_ARROW);
    wc.lpszClassName = L"NuklearWindowClass";
    atom = RegisterClassW(&wc);

    AdjustWindowRectEx(&rect, style, FALSE, exstyle);

    wnd = CreateWindowExW(exstyle, wc.lpszClassName, L"Lucky",
        style | WS_VISIBLE, CW_USEDEFAULT, CW_USEDEFAULT,
        rect.right - rect.left, rect.bottom - rect.top,
        NULL, NULL, wc.hInstance, NULL);
    dc = GetDC(wnd);

    /* GUI */
    font = nk_gdifont_create("Arial", 14);
    ctx = nk_gdi_init(font, dc, WINDOW_WIDTH, WINDOW_HEIGHT);
    while (running) {
        MSG msg;
        poll_();

        /* Input */
        nk_input_begin(ctx);
        if (needs_refresh == 0)
        {
            if (GetMessageW(&msg, NULL, 0, 0) <= 0)
            {
                running = 0;
            }
            else
            {
                TranslateMessage(&msg);
                DispatchMessageW(&msg);
            }
            needs_refresh = 1;
        }
        else
        {
            needs_refresh = 0;
        }
        while (PeekMessageW(&msg, NULL, 0, 0, PM_REMOVE))
        {
            if (msg.message == WM_QUIT)
                running = 0;
            TranslateMessage(&msg);
            DispatchMessageW(&msg);
            needs_refresh = 1;
        }
        nk_input_end(ctx);

        /* GUI */
        {struct nk_panel layout;
        if (nk_begin(ctx, &layout, "Demo", nk_rect(60, 0, 120, 320), 0))
            //NK_WINDOW_BORDER|NK_WINDOW_MOVABLE|NK_WINDOW_SCALABLE|NK_WINDOW_CLOSABLE|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);
            nk_layout_row_dynamic(ctx, 30, 1);
            if (nk_button_label(ctx, "三码", NK_BUTTON_DEFAULT)) {
                notepad_open(gen_(3));
            }
            if (nk_button_label(ctx, "二码", NK_BUTTON_DEFAULT)) {
                notepad_open(gen_(2));
            }
            if (nk_button_label(ctx, "one", NK_BUTTON_DEFAULT)) {
                notepad_open(gen_(1));
            }

#if 0
            if (nk_button_label(ctx, "四码", NK_BUTTON_DEFAULT)) {
                notepad_open(gen_(4));
            }
            if (nk_button_label(ctx, "五码", NK_BUTTON_DEFAULT)) {
                notepad_open(gen_(5));
            }
            if (nk_button_label(ctx, "六码", NK_BUTTON_DEFAULT)) {
                notepad_open(gen_(6));
            }
			if (nk_button_label(ctx, "七码", NK_BUTTON_DEFAULT)) {
				notepad_open(gen_(7));
			}
			if (nk_button_label(ctx, "八码", NK_BUTTON_DEFAULT)) {
				notepad_open(gen_(8));
			}
			if (nk_button_label(ctx, "九码", NK_BUTTON_DEFAULT)) {
				notepad_open(gen_(9));
			}
			if (nk_button_label(ctx, "十码", NK_BUTTON_DEFAULT)) {
				notepad_open(gen_(10));
			}
#endif
            //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, 22, 1);
            //nk_property_int(ctx, "Compression:", 0, &property, 100, 10, 1);
        }
        nk_end(ctx);}
        if (nk_window_is_closed(ctx, "Demo")) break;

        /* Draw */
        nk_gdi_render(nk_rgb(30,30,30));
    }
    stop_();

    nk_gdifont_del(font);
    ReleaseDC(wnd, dc);
    UnregisterClassW(wc.lpszClassName, wc.hInstance);
    return 0;
}
/* ===============================================================
 *
 *                          BASIC DEMO
 *
 * ===============================================================*/
static void
basic_demo(struct nk_context *ctx, struct media *media)
{
    static int image_active;
    static int check0 = 1;
    static int check1 = 0;
    static size_t prog = 80;
    static int selected_item = 0;
    static int selected_image = 3;
    static int selected_icon = 0;
    static const char *items[] = {"Item 0","item 1","item 2"};
    static int piemenu_active = 0;
    static struct nk_vec2 piemenu_pos;

    int i = 0;
    nk_style_set_font(ctx, &media->font_20->handle);
    nk_begin(ctx, "Basic Demo", nk_rect(320, 50, 275, 610),
        NK_WINDOW_BORDER|NK_WINDOW_MOVABLE|NK_WINDOW_TITLE);

    /*------------------------------------------------
     *                  POPUP BUTTON
     *------------------------------------------------*/
    ui_header(ctx, media, "Popup & Scrollbar & Images");
    ui_widget(ctx, media, 35);
    if (nk_button_image_label(ctx, media->dir, "Images", NK_TEXT_CENTERED))
        image_active = !image_active;

    /*------------------------------------------------
     *                  SELECTED IMAGE
     *------------------------------------------------*/
    ui_header(ctx, media, "Selected Image");
    ui_widget_centered(ctx, media, 100);
    nk_image(ctx, media->images[selected_image]);

    /*------------------------------------------------
     *                  IMAGE POPUP
     *------------------------------------------------*/
    if (image_active) {
        struct nk_panel popup;
        if (nk_popup_begin(ctx, NK_POPUP_STATIC, "Image Popup", 0, nk_rect(265, 0, 320, 220))) {
            nk_layout_row_static(ctx, 82, 82, 3);
            for (i = 0; i < 9; ++i) {
                if (nk_button_image(ctx, media->images[i])) {
                    selected_image = i;
                    image_active = 0;
                    nk_popup_close(ctx);
                }
            }
            nk_popup_end(ctx);
        }
    }
    /*------------------------------------------------
     *                  COMBOBOX
     *------------------------------------------------*/
    ui_header(ctx, media, "Combo box");
    ui_widget(ctx, media, 40);
    if (nk_combo_begin_label(ctx, items[selected_item], nk_vec2(nk_widget_width(ctx), 200))) {
        nk_layout_row_dynamic(ctx, 35, 1);
        for (i = 0; i < 3; ++i)
            if (nk_combo_item_label(ctx, items[i], NK_TEXT_LEFT))
                selected_item = i;
        nk_combo_end(ctx);
    }

    ui_widget(ctx, media, 40);
    if (nk_combo_begin_image_label(ctx, items[selected_icon], media->images[selected_icon], nk_vec2(nk_widget_width(ctx), 200))) {
        nk_layout_row_dynamic(ctx, 35, 1);
        for (i = 0; i < 3; ++i)
            if (nk_combo_item_image_label(ctx, media->images[i], items[i], NK_TEXT_RIGHT))
                selected_icon = i;
        nk_combo_end(ctx);
    }

    /*------------------------------------------------
     *                  CHECKBOX
     *------------------------------------------------*/
    ui_header(ctx, media, "Checkbox");
    ui_widget(ctx, media, 30);
    nk_checkbox_label(ctx, "Flag 1", &check0);
    ui_widget(ctx, media, 30);
    nk_checkbox_label(ctx, "Flag 2", &check1);

    /*------------------------------------------------
     *                  PROGRESSBAR
     *------------------------------------------------*/
    ui_header(ctx, media, "Progressbar");
    ui_widget(ctx, media, 35);
    nk_progress(ctx, &prog, 100, nk_true);

    /*------------------------------------------------
     *                  PIEMENU
     *------------------------------------------------*/
    if (nk_input_is_mouse_click_down_in_rect(&ctx->input, NK_BUTTON_RIGHT,
        nk_window_get_bounds(ctx),nk_true)){
        piemenu_pos = ctx->input.mouse.pos;
        piemenu_active = 1;
    }

    if (piemenu_active) {
        int ret = ui_piemenu(ctx, piemenu_pos, 140, &media->menu[0], 6);
        if (ret == -2) piemenu_active = 0;
        if (ret != -1) {
            fprintf(stdout, "piemenu selected: %d\n", ret);
            piemenu_active = 0;
        }
    }
    nk_style_set_font(ctx, &media->font_14->handle);
    nk_end(ctx);
}
示例#16
0
void nk_wnd_main(nk_menu_handle_t *nk, const char* title)
{
   unsigned i;
   video_shader_ctx_t shader_info;
   struct nk_panel layout;
   struct nk_context *ctx = &nk->ctx;
   const int id           = NK_WND_MAIN;
   settings_t *settings  = config_get_ptr();
   char core_basename[PATH_MAX_LENGTH] = {0};

   static char picker_filter[PATH_MAX_LENGTH];
   static char picker_title[PATH_MAX_LENGTH];
   static char* picker_startup_dir;

   int len_core, len_content = 0;

   strlcpy(core_basename, path_basename(core), sizeof(core_basename));

   if (!out)
      out = core;

   if (!string_is_empty(core))
      len_core = strlen(path_basename(core));
   if (!string_is_empty(content))
      len_content = strlen(content);

   if (nk->window[NK_WND_FILE_PICKER].open)
   {
      if (nk_wnd_file_picker(nk, picker_title, picker_startup_dir, out, picker_filter))
      {
         RARCH_LOG ("%s selected\n", out);
         nk_window_close(&nk->ctx, picker_title);
      }
   }


   if (nk_begin(ctx, &layout, title, nk_rect(240, 10, 600, 400),
         NK_WINDOW_CLOSABLE|NK_WINDOW_MINIMIZABLE|NK_WINDOW_MOVABLE|
         NK_WINDOW_SCALABLE|NK_WINDOW_BORDER))
   {
      nk_layout_row_dynamic(ctx, 30, 1);
      nk_label(ctx,"Core:", NK_TEXT_LEFT);
      nk_layout_row(ctx, NK_DYNAMIC, 30, 3, ratio);
      nk_edit_string(ctx, NK_EDIT_SIMPLE, core_basename, &len_core, 64, nk_filter_default);
      if (nk_button_text(ctx, "...", 3, NK_BUTTON_DEFAULT))
      {
         out = core;
         strlcpy(picker_title, "Select core", sizeof(picker_title));
         strlcpy(picker_filter, ".dll", sizeof(picker_filter));
         picker_startup_dir = settings->directory.libretro;
         nk->window[NK_WND_FILE_PICKER].open = true;
      }
      nk_layout_row_dynamic(ctx, 30, 1);
      nk_label(ctx,"Content:", NK_TEXT_LEFT);
      nk_layout_row(ctx, NK_DYNAMIC, 30, 3, ratio);
      nk_edit_string(ctx, NK_EDIT_SIMPLE, content, &len_content, 64, nk_filter_default);
      if (nk_button_text(ctx, "...", 3, NK_BUTTON_DEFAULT))
      {
         out = content;
         strlcpy(picker_title, "Select content", sizeof(picker_title));
         strlcpy(picker_filter, ".zip", sizeof(picker_filter));
         picker_startup_dir = settings->directory.menu_content;
         nk->window[NK_WND_FILE_PICKER].open = true;
      }
   }

   /* save position and size to restore after context reset */
   nk_wnd_set_state(nk, id, nk_window_get_position(ctx), nk_window_get_size(ctx));
   nk_end(ctx);
}
示例#17
0
文件: main.c 项目: mcmihai/nuklear
int main(void)
{
    /* Platform */
    static GLFWwindow *win;
    int width = 0, height = 0;
    struct nk_context *ctx;
    struct nk_colorf bg;

    /* GLFW */
    glfwSetErrorCallback(error_callback);
    if (!glfwInit()) {
        fprintf(stdout, "[GFLW] failed to init!\n");
        exit(1);
    }
    win = glfwCreateWindow(WINDOW_WIDTH, WINDOW_HEIGHT, "Demo", NULL, NULL);
    glfwMakeContextCurrent(win);
    glfwGetWindowSize(win, &width, &height);

    /* GUI */
    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);*/}

    #ifdef INCLUDE_STYLE
    /*set_style(ctx, THEME_WHITE);*/
    /*set_style(ctx, THEME_RED);*/
    /*set_style(ctx, THEME_BLUE);*/
    /*set_style(ctx, THEME_DARK);*/
    #endif

    bg.r = 0.10f, bg.g = 0.18f, bg.b = 0.24f, bg.a = 1.0f;
    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, nk_rgb_cf(bg), nk_vec2(nk_widget_width(ctx),400))) {
                nk_layout_row_dynamic(ctx, 120, 1);
                bg = nk_color_picker(ctx, bg, NK_RGBA);
                nk_layout_row_dynamic(ctx, 25, 1);
                bg.r = nk_propertyf(ctx, "#R:", 0, bg.r, 1.0f, 0.01f,0.005f);
                bg.g = nk_propertyf(ctx, "#G:", 0, bg.g, 1.0f, 0.01f,0.005f);
                bg.b = nk_propertyf(ctx, "#B:", 0, bg.b, 1.0f, 0.01f,0.005f);
                bg.a = nk_propertyf(ctx, "#A:", 0, bg.a, 1.0f, 0.01f,0.005f);
                nk_combo_end(ctx);
            }
        }
        nk_end(ctx);

        /* -------------- EXAMPLES ---------------- */
        #ifdef INCLUDE_CALCULATOR
          calculator(ctx);
        #endif
        #ifdef INCLUDE_OVERVIEW
          overview(ctx);
        #endif
        #ifdef INCLUDE_NODE_EDITOR
          node_editor(ctx);
        #endif
        /* ----------------------------------------- */

        /* Draw */
        glfwGetWindowSize(win, &width, &height);
        glViewport(0, 0, width, height);
        glClear(GL_COLOR_BUFFER_BIT);
        glClearColor(bg.r, bg.g, bg.b, bg.a);
        /* IMPORTANT: `nk_glfw_render` modifies some global OpenGL state
         * with blending, scissor, face culling and depth test and defaults everything
         * back into a default state. Make sure to either save and restore or
         * reset your own state after drawing rendering the UI. */
        nk_glfw3_render(NK_ANTI_ALIASING_ON);
        glfwSwapBuffers(win);
    }
    nk_glfw3_shutdown();
    glfwTerminate();
    return 0;
}
static int
node_editor(struct nk_context *ctx)
{
    int n = 0;
    struct nk_rect total_space;
    const struct nk_input *in = &ctx->input;
    struct nk_command_buffer *canvas;
    struct node *updated = 0;
    struct node_editor *nodedit = &nodeEditor;

    if (!nodeEditor.initialized) {
        node_editor_init(&nodeEditor);
        nodeEditor.initialized = 1;
    }

    if (nk_begin(ctx, "NodeEdit", nk_rect(0, 0, 800, 600),
        NK_WINDOW_BORDER|NK_WINDOW_NO_SCROLLBAR|NK_WINDOW_MOVABLE|NK_WINDOW_CLOSABLE))
    {
        /* allocate complete window space */
        canvas = nk_window_get_canvas(ctx);
        total_space = nk_window_get_content_region(ctx);
        nk_layout_space_begin(ctx, NK_STATIC, total_space.h, nodedit->node_count);
        {
            struct node *it = nodedit->begin;
            struct nk_rect size = nk_layout_space_bounds(ctx);
            struct nk_panel *node = 0;

            if (nodedit->show_grid) {
                /* display grid */
                float x, y;
                const float grid_size = 32.0f;
                const struct nk_color grid_color = nk_rgb(50, 50, 50);
                for (x = (float)fmod(size.x - nodedit->scrolling.x, grid_size); x < size.w; x += grid_size)
                    nk_stroke_line(canvas, x+size.x, size.y, x+size.x, size.y+size.h, 1.0f, grid_color);
                for (y = (float)fmod(size.y - nodedit->scrolling.y, grid_size); y < size.h; y += grid_size)
                    nk_stroke_line(canvas, size.x, y+size.y, size.x+size.w, y+size.y, 1.0f, grid_color);
            }

            /* execute each node as a movable group */
            while (it) {
                /* calculate scrolled node window position and size */
                nk_layout_space_push(ctx, nk_rect(it->bounds.x - nodedit->scrolling.x,
                    it->bounds.y - nodedit->scrolling.y, it->bounds.w, it->bounds.h));

                /* execute node window */
                if (nk_group_begin(ctx, it->name, NK_WINDOW_MOVABLE|NK_WINDOW_NO_SCROLLBAR|NK_WINDOW_BORDER|NK_WINDOW_TITLE))
                {
                    /* always have last selected node on top */

                    node = nk_window_get_panel(ctx);
                    if (nk_input_mouse_clicked(in, NK_BUTTON_LEFT, node->bounds) &&
                        (!(it->prev && nk_input_mouse_clicked(in, NK_BUTTON_LEFT,
                        nk_layout_space_rect_to_screen(ctx, node->bounds)))) &&
                        nodedit->end != it)
                    {
                        updated = it;
                    }

                    /* ================= NODE CONTENT =====================*/
                    nk_layout_row_dynamic(ctx, 25, 1);
                    nk_button_color(ctx, it->color);
                    it->color.r = (nk_byte)nk_propertyi(ctx, "#R:", 0, it->color.r, 255, 1,1);
                    it->color.g = (nk_byte)nk_propertyi(ctx, "#G:", 0, it->color.g, 255, 1,1);
                    it->color.b = (nk_byte)nk_propertyi(ctx, "#B:", 0, it->color.b, 255, 1,1);
                    it->color.a = (nk_byte)nk_propertyi(ctx, "#A:", 0, it->color.a, 255, 1,1);
                    /* ====================================================*/
                    nk_group_end(ctx);
                }
                {
                    /* node connector and linking */
                    float space;
                    struct nk_rect bounds;
                    bounds = nk_layout_space_rect_to_local(ctx, node->bounds);
                    bounds.x += nodedit->scrolling.x;
                    bounds.y += nodedit->scrolling.y;
                    it->bounds = bounds;

                    /* output connector */
                    space = node->bounds.h / (float)((it->output_count) + 1);
                    for (n = 0; n < it->output_count; ++n) {
                        struct nk_rect circle;
                        circle.x = node->bounds.x + node->bounds.w-4;
                        circle.y = node->bounds.y + space * (float)(n+1);
                        circle.w = 8; circle.h = 8;
                        nk_fill_circle(canvas, circle, nk_rgb(100, 100, 100));

                        /* start linking process */
                        if (nk_input_has_mouse_click_down_in_rect(in, NK_BUTTON_LEFT, circle, nk_true)) {
                            nodedit->linking.active = nk_true;
                            nodedit->linking.node = it;
                            nodedit->linking.input_id = it->ID;
                            nodedit->linking.input_slot = n;
                        }

                        /* draw curve from linked node slot to mouse position */
                        if (nodedit->linking.active && nodedit->linking.node == it &&
                            nodedit->linking.input_slot == n) {
                            struct nk_vec2 l0 = nk_vec2(circle.x + 3, circle.y + 3);
                            struct nk_vec2 l1 = in->mouse.pos;
                            nk_stroke_curve(canvas, l0.x, l0.y, l0.x + 50.0f, l0.y,
                                l1.x - 50.0f, l1.y, l1.x, l1.y, 1.0f, nk_rgb(100, 100, 100));
                        }
                    }

                    /* input connector */
                    space = node->bounds.h / (float)((it->input_count) + 1);
                    for (n = 0; n < it->input_count; ++n) {
                        struct nk_rect circle;
                        circle.x = node->bounds.x-4;
                        circle.y = node->bounds.y + space * (float)(n+1);
                        circle.w = 8; circle.h = 8;
                        nk_fill_circle(canvas, circle, nk_rgb(100, 100, 100));
                        if (nk_input_is_mouse_released(in, NK_BUTTON_LEFT) &&
                            nk_input_is_mouse_hovering_rect(in, circle) &&
                            nodedit->linking.active && nodedit->linking.node != it) {
                            nodedit->linking.active = nk_false;
                            node_editor_link(nodedit, nodedit->linking.input_id,
                                nodedit->linking.input_slot, it->ID, n);
                        }
                    }
                }
                it = it->next;
            }

            /* reset linking connection */
            if (nodedit->linking.active && nk_input_is_mouse_released(in, NK_BUTTON_LEFT)) {
                nodedit->linking.active = nk_false;
                nodedit->linking.node = NULL;
                fprintf(stdout, "linking failed\n");
            }

            /* draw each link */
            for (n = 0; n < nodedit->link_count; ++n) {
                struct node_link *link = &nodedit->links[n];
                struct node *ni = node_editor_find(nodedit, link->input_id);
                struct node *no = node_editor_find(nodedit, link->output_id);
                float spacei = node->bounds.h / (float)((ni->output_count) + 1);
                float spaceo = node->bounds.h / (float)((no->input_count) + 1);
                struct nk_vec2 l0 = nk_layout_space_to_screen(ctx,
                    nk_vec2(ni->bounds.x + ni->bounds.w, 3.0f + ni->bounds.y + spacei * (float)(link->input_slot+1)));
                struct nk_vec2 l1 = nk_layout_space_to_screen(ctx,
                    nk_vec2(no->bounds.x, 3.0f + no->bounds.y + spaceo * (float)(link->output_slot+1)));

                l0.x -= nodedit->scrolling.x;
                l0.y -= nodedit->scrolling.y;
                l1.x -= nodedit->scrolling.x;
                l1.y -= nodedit->scrolling.y;
                nk_stroke_curve(canvas, l0.x, l0.y, l0.x + 50.0f, l0.y,
                    l1.x - 50.0f, l1.y, l1.x, l1.y, 1.0f, nk_rgb(100, 100, 100));
            }

            if (updated) {
                /* reshuffle nodes to have least recently selected node on top */
                node_editor_pop(nodedit, updated);
                node_editor_push(nodedit, updated);
            }

            /* node selection */
            if (nk_input_mouse_clicked(in, NK_BUTTON_LEFT, nk_layout_space_bounds(ctx))) {
                it = nodedit->begin;
                nodedit->selected = NULL;
                nodedit->bounds = nk_rect(in->mouse.pos.x, in->mouse.pos.y, 100, 200);
                while (it) {
                    struct nk_rect b = nk_layout_space_rect_to_screen(ctx, it->bounds);
                    b.x -= nodedit->scrolling.x;
                    b.y -= nodedit->scrolling.y;
                    if (nk_input_is_mouse_hovering_rect(in, b))
                        nodedit->selected = it;
                    it = it->next;
                }
            }

            /* contextual menu */
            if (nk_contextual_begin(ctx, 0, nk_vec2(100, 220), nk_window_get_bounds(ctx))) {
                const char *grid_option[] = {"Show Grid", "Hide Grid"};
                nk_layout_row_dynamic(ctx, 25, 1);
                if (nk_contextual_item_label(ctx, "New", NK_TEXT_CENTERED))
                    node_editor_add(nodedit, "New", nk_rect(400, 260, 180, 220),
                            nk_rgb(255, 255, 255), 1, 2);
                if (nk_contextual_item_label(ctx, grid_option[nodedit->show_grid],NK_TEXT_CENTERED))
                    nodedit->show_grid = !nodedit->show_grid;
                nk_contextual_end(ctx);
            }
        }
        nk_layout_space_end(ctx);

        /* window content scrolling */
        if (nk_input_is_mouse_hovering_rect(in, nk_window_get_bounds(ctx)) &&
            nk_input_is_mouse_down(in, NK_BUTTON_MIDDLE)) {
            nodedit->scrolling.x += in->mouse.delta.x;
            nodedit->scrolling.y += in->mouse.delta.y;
        }
    }
    nk_end(ctx);
    return !nk_window_is_closed(ctx, "NodeEdit");
}
示例#19
0
文件: main.c 项目: djamah/nuklear
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  */
    {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_set_font(ctx, &droid->handle);*/}

    background = nk_rgb(28,48,62);
    while (!glfwWindowShouldClose(win))
    {
        /* Input */
        glfwPollEvents();
        nk_glfw3_new_frame();

        /* GUI */
        {struct nk_panel layout;
        if (nk_begin(ctx, &layout, "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", NK_BUTTON_DEFAULT))
                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);

            {struct nk_panel combo;
            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, &combo, background, 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);}

        /* 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]);
        nk_glfw3_render(NK_ANTI_ALIASING_ON, MAX_VERTEX_BUFFER, MAX_ELEMENT_BUFFER);
        glfwSwapBuffers(win);}
    }
    nk_glfw3_shutdown();
    glfwTerminate();
    return 0;
}
示例#20
0
int main(void)
{
    int jid, hat_buttons = GLFW_FALSE;
    struct nk_context* nk;
    struct nk_font_atlas* atlas;

    memset(joysticks, 0, sizeof(joysticks));

    glfwSetErrorCallback(error_callback);

    if (!glfwInit())
        exit(EXIT_FAILURE);

    window = glfwCreateWindow(800, 600, "Joystick Test", NULL, NULL);
    if (!window)
    {
        glfwTerminate();
        exit(EXIT_FAILURE);
    }

    glfwMakeContextCurrent(window);
    gladLoadGLLoader((GLADloadproc) glfwGetProcAddress);
    glfwSwapInterval(1);

    nk = nk_glfw3_init(window, NK_GLFW3_INSTALL_CALLBACKS);
    nk_glfw3_font_stash_begin(&atlas);
    nk_glfw3_font_stash_end();

    for (jid = GLFW_JOYSTICK_1;  jid <= GLFW_JOYSTICK_LAST;  jid++)
    {
        if (glfwJoystickPresent(jid))
            joysticks[joystick_count++] = jid;
    }

    glfwSetJoystickCallback(joystick_callback);

    while (!glfwWindowShouldClose(window))
    {
        int i, width, height;

        glfwGetWindowSize(window, &width, &height);

        glClear(GL_COLOR_BUFFER_BIT);
        nk_glfw3_new_frame();

        if (nk_begin(nk,
                     "Joysticks",
                     nk_rect(width - 200.f, 0.f, 200.f, (float) height),
                     NK_WINDOW_MINIMIZABLE |
                     NK_WINDOW_TITLE))
        {
            nk_layout_row_dynamic(nk, 30, 1);

            nk_checkbox_label(nk, "Hat buttons", &hat_buttons);

            if (joystick_count)
            {
                for (i = 0;  i < joystick_count;  i++)
                {
                    if (nk_button_label(nk, joystick_label(joysticks[i])))
                        nk_window_set_focus(nk, joystick_label(joysticks[i]));
                }
            }
            else
                nk_label(nk, "No joysticks connected", NK_TEXT_LEFT);
        }

        nk_end(nk);

        for (i = 0;  i < joystick_count;  i++)
        {
            if (nk_begin(nk,
                         joystick_label(joysticks[i]),
                         nk_rect(i * 20.f, i * 20.f, 550.f, 570.f),
                         NK_WINDOW_BORDER |
                         NK_WINDOW_MOVABLE |
                         NK_WINDOW_SCALABLE |
                         NK_WINDOW_MINIMIZABLE |
                         NK_WINDOW_TITLE))
            {
                int j, axis_count, button_count, hat_count;
                const float* axes;
                const unsigned char* buttons;
                const unsigned char* hats;
                GLFWgamepadstate state;

                nk_layout_row_dynamic(nk, 30, 1);
                nk_label(nk, "Joystick state", NK_TEXT_LEFT);

                axes = glfwGetJoystickAxes(joysticks[i], &axis_count);
                buttons = glfwGetJoystickButtons(joysticks[i], &button_count);
                hats = glfwGetJoystickHats(joysticks[i], &hat_count);

                if (!hat_buttons)
                    button_count -= hat_count * 4;

                for (j = 0;  j < axis_count;  j++)
                    nk_slide_float(nk, -1.f, axes[j], 1.f, 0.1f);

                nk_layout_row_dynamic(nk, 30, 12);

                for (j = 0;  j < button_count;  j++)
                {
                    char name[16];
                    snprintf(name, sizeof(name), "%i", j + 1);
                    nk_select_label(nk, name, NK_TEXT_CENTERED, buttons[j]);
                }

                nk_layout_row_dynamic(nk, 30, 8);

                for (j = 0;  j < hat_count;  j++)
                    hat_widget(nk, hats[j]);

                nk_layout_row_dynamic(nk, 30, 1);

                if (glfwGetGamepadState(joysticks[i], &state))
                {
                    int hat = 0;
                    const char* names[GLFW_GAMEPAD_BUTTON_LAST + 1 - 4] =
                    {
                        "A", "B", "X", "Y",
                        "LB", "RB",
                        "Back", "Start", "Guide",
                        "LT", "RT",
                    };

                    nk_label(nk, "Gamepad state", NK_TEXT_LEFT);

                    nk_layout_row_dynamic(nk, 30, 2);

                    for (j = 0;  j <= GLFW_GAMEPAD_AXIS_LAST;  j++)
                        nk_slide_float(nk, -1.f, state.axes[j], 1.f, 0.1f);

                    nk_layout_row_dynamic(nk, 30, GLFW_GAMEPAD_BUTTON_LAST + 1 - 4);

                    for (j = 0;  j <= GLFW_GAMEPAD_BUTTON_LAST - 4;  j++)
                        nk_select_label(nk, names[j], NK_TEXT_CENTERED, state.buttons[j]);

                    if (state.buttons[GLFW_GAMEPAD_BUTTON_DPAD_UP])
                        hat |= GLFW_HAT_UP;
                    if (state.buttons[GLFW_GAMEPAD_BUTTON_DPAD_RIGHT])
                        hat |= GLFW_HAT_RIGHT;
                    if (state.buttons[GLFW_GAMEPAD_BUTTON_DPAD_DOWN])
                        hat |= GLFW_HAT_DOWN;
                    if (state.buttons[GLFW_GAMEPAD_BUTTON_DPAD_LEFT])
                        hat |= GLFW_HAT_LEFT;

                    nk_layout_row_dynamic(nk, 30, 8);
                    hat_widget(nk, hat);
                }
                else
                    nk_label(nk, "Joystick has no gamepad mapping", NK_TEXT_LEFT);
            }

            nk_end(nk);
        }

        nk_glfw3_render(NK_ANTI_ALIASING_ON, 10000, 1000);

        glfwSwapBuffers(window);
        glfwPollEvents();
    }

    glfwTerminate();
    exit(EXIT_SUCCESS);
}
示例#21
0
void drawUI(nk_context* ctx, nk_colorf& bg)
{
    nk_glfw3_new_frame();

    /* GUI */
	if (nk_begin(ctx, "Buttons", nk_rect(1093, 0, 273, 360),
		NK_WINDOW_BORDER | NK_WINDOW_BACKGROUND)) {
		
		nk_layout_row_static(ctx, 30, 80, 1);
		nk_label(ctx, "Actions", NK_TEXT_LEFT);

		nk_layout_row_static(ctx, 30, 100, 2);
		if (nk_button_label(ctx, "Pause")) {
			Logger::ButtonPress(3);
			if (Controller::getInstance().state != Controller::paused) {
				prevstate = Controller::getInstance().state;
				Controller::getInstance().state = Controller::paused;
			}
		}
		if (nk_button_label(ctx, "Continue")) {
			Logger::ButtonPress(1);
			if (Controller::getInstance().state > 1)
				Controller::getInstance().state = prevstate;
		}
		if (nk_button_label(ctx, "Generate")) {
			Logger::ButtonPress(2);
			Controller::getInstance().way = Controller::getInstance().solver.Solve();

			if (Controller::getInstance().state == Controller::idle)
				Controller::getInstance().state = Controller::prepare;
		}
		if (nk_button_label(ctx, "Stop")) {
			Logger::ButtonPress(0);
			if (Controller::getInstance().way[0])
				Controller::getInstance().way = std::vector<spin>(1, Controller::getInstance().way[0]);
		}

		nk_layout_row_static(ctx, 30, 80, 1);
		nk_label(ctx, "Manual inputs", NK_TEXT_LEFT);

		nk_layout_row_begin(ctx, NK_STATIC, 30, 3); {

			nk_layout_row_push(ctx, 60);
			if (nk_button_label(ctx, "Left")) {
				wayoverride(WL);
			}
			nk_label(ctx, "White", NK_TEXT_CENTERED);
			if (nk_button_label(ctx, "Right")) {
				wayoverride(WR);
			}

			nk_layout_row_push(ctx, 60);
			if (nk_button_label(ctx, "Left")) {
				wayoverride(YL);
			}
			nk_label(ctx, "Yellow", NK_TEXT_CENTERED);
			if (nk_button_label(ctx, "Right")) {
				wayoverride(YR);
			}

			nk_layout_row_push(ctx, 60);
			if (nk_button_label(ctx, "Left")) {
				wayoverride(RL);
			}
			nk_label(ctx, "Red", NK_TEXT_CENTERED);
			if (nk_button_label(ctx, "Right")) {
				wayoverride(RR);
			}

			nk_layout_row_push(ctx, 60);
			if (nk_button_label(ctx, "Left")) {
				wayoverride(BL);
			}
			nk_label(ctx, "Blue", NK_TEXT_CENTERED);
			if (nk_button_label(ctx, "Right")) {
				wayoverride(BR);
			}

			nk_layout_row_push(ctx, 60);
			if (nk_button_label(ctx, "Left")) {
				wayoverride(OL);
			}
			nk_label(ctx, "Orange", NK_TEXT_CENTERED);
			if (nk_button_label(ctx, "Right")) {
				wayoverride(OR);
			}

			nk_layout_row_push(ctx, 60);
			if (nk_button_label(ctx, "Left")) {
				wayoverride(GL);
			}
			nk_label(ctx, "Green", NK_TEXT_CENTERED);
			if (nk_button_label(ctx, "Right")) {
				wayoverride(GR);
			}
		}
		nk_layout_row_end(ctx);
	}

    nk_end(ctx);

	if (nk_begin(ctx, "Code", nk_rect(1093, 350, 273, 350),
		NK_WINDOW_BORDER)) {

		static char linenums[256];
		std::string buf;
		std::istringstream str(Compiler::code);
		int linecount = 0;
		strcpy(linenums, "");
		while (std::getline(str, buf)) strcat(linenums, (std::to_string(++linecount) + "\n").c_str());
		strcat(linenums, (std::to_string(++linecount) + "\n").c_str());

		nk_layout_row_begin(ctx, NK_STATIC, 200, 2); {
			nk_layout_row_push(ctx, 40);
			if (nk_group_begin(ctx, "nums", NK_WINDOW_NO_SCROLLBAR)) {
				nk_layout_row_static(ctx, 1000, 40, 1);
				nk_edit_string_zero_terminated(ctx, NK_EDIT_BOX, linenums, sizeof(linenums), nk_filter_default);
				nk_group_end(ctx);
			} 

			nk_layout_row_push(ctx, 200);
			if (nk_group_begin(ctx, "text", 0)) {
				nk_layout_row_static(ctx, 1000, 176, 1);
				nk_edit_string_zero_terminated(ctx, NK_EDIT_BOX, Compiler::code, sizeof(Compiler::code), nk_filter_default);
				nk_group_end(ctx);
			}

			nk_uint *x = new nk_uint(0), *y = new nk_uint(0);
			nk_group_get_scroll(ctx, "text", x, y);
			nk_group_set_scroll(ctx, "nums", *x, *y);
			delete(x); delete(y);
		}

		nk_layout_row_begin(ctx, NK_STATIC, 30, 2); {
			nk_layout_row_push(ctx, 60);
			if (nk_button_label(ctx, "Run")) {
				Compiler::Compile();
			}
			if (nk_button_label(ctx, "Save")) {
				Compiler::Save();
			}
		}

		nk_layout_row_dynamic(ctx, 200, 1);
		nk_edit_string_zero_terminated(ctx, NK_EDIT_BOX, Compiler::output, sizeof(Compiler::output), nk_filter_default);
	}

	nk_end(ctx);
}
示例#22
0
int main(int argc, char** argv)
{
    GLFWmonitor* monitor = NULL;
    GLFWwindow* window;
    GLFWgammaramp orig_ramp;
    struct nk_context* nk;
    struct nk_font_atlas* atlas;
    float gamma_value = 1.f;

    glfwSetErrorCallback(error_callback);

    if (!glfwInit())
        exit(EXIT_FAILURE);

    monitor = glfwGetPrimaryMonitor();

    window = glfwCreateWindow(800, 400, "Gamma Test", NULL, NULL);
    if (!window)
    {
        glfwTerminate();
        exit(EXIT_FAILURE);
    }

    {
        const GLFWgammaramp* ramp = glfwGetGammaRamp(monitor);
        const size_t array_size = ramp->size * sizeof(short);
        orig_ramp.size = ramp->size;
        orig_ramp.red = malloc(array_size);
        orig_ramp.green = malloc(array_size);
        orig_ramp.blue = malloc(array_size);
        memcpy(orig_ramp.red, ramp->red, array_size);
        memcpy(orig_ramp.green, ramp->green, array_size);
        memcpy(orig_ramp.blue, ramp->blue, array_size);
    }

    glfwMakeContextCurrent(window);
    gladLoadGLLoader((GLADloadproc) glfwGetProcAddress);
    glfwSwapInterval(1);

    nk = nk_glfw3_init(window, NK_GLFW3_INSTALL_CALLBACKS);
    nk_glfw3_font_stash_begin(&atlas);
    nk_glfw3_font_stash_end();

    glfwSetKeyCallback(window, key_callback);

    while (!glfwWindowShouldClose(window))
    {
        int width, height;
        struct nk_rect area;

        glfwGetWindowSize(window, &width, &height);
        area = nk_rect(0.f, 0.f, (float) width, (float) height);
        nk_window_set_bounds(nk, "", area);

        glClear(GL_COLOR_BUFFER_BIT);
        nk_glfw3_new_frame();
        if (nk_begin(nk, "", area, 0))
        {
            const GLFWgammaramp* ramp;

            nk_layout_row_dynamic(nk, 30, 3);
            if (nk_slider_float(nk, 0.1f, &gamma_value, 5.f, 0.1f))
                glfwSetGamma(monitor, gamma_value);
            nk_labelf(nk, NK_TEXT_LEFT, "%0.1f", gamma_value);
            if (nk_button_label(nk, "Revert"))
                glfwSetGammaRamp(monitor, &orig_ramp);

            ramp = glfwGetGammaRamp(monitor);

            nk_layout_row_dynamic(nk, height - 60.f, 3);
            chart_ramp_array(nk, nk_rgb(255, 0, 0), ramp->size, ramp->red);
            chart_ramp_array(nk, nk_rgb(0, 255, 0), ramp->size, ramp->green);
            chart_ramp_array(nk, nk_rgb(0, 0, 255), ramp->size, ramp->blue);
        }

        nk_end(nk);
        nk_glfw3_render(NK_ANTI_ALIASING_ON);

        glfwSwapBuffers(window);
        glfwWaitEventsTimeout(1.0);
    }

    free(orig_ramp.red);
    free(orig_ramp.green);
    free(orig_ramp.blue);

    nk_glfw3_shutdown();
    glfwTerminate();
    exit(EXIT_SUCCESS);
}
static void
button_demo(struct nk_context *ctx, struct media *media)
{
    static int option = 1;
    static int toggle0 = 1;
    static int toggle1 = 0;
    static int toggle2 = 1;

    nk_style_set_font(ctx, &media->font_20->handle);
    nk_begin(ctx, "Button Demo", nk_rect(50,50,255,610),
        NK_WINDOW_BORDER|NK_WINDOW_MOVABLE|NK_WINDOW_TITLE);

    /*------------------------------------------------
     *                  MENU
     *------------------------------------------------*/
    nk_menubar_begin(ctx);
    {
        /* toolbar */
        nk_layout_row_static(ctx, 40, 40, 4);
        if (nk_menu_begin_image(ctx, "Music", media->play, nk_vec2(110,120)))
        {
            /* settings */
            nk_layout_row_dynamic(ctx, 25, 1);
            nk_menu_item_image_label(ctx, media->play, "Play", NK_TEXT_RIGHT);
            nk_menu_item_image_label(ctx, media->stop, "Stop", NK_TEXT_RIGHT);
            nk_menu_item_image_label(ctx, media->pause, "Pause", NK_TEXT_RIGHT);
            nk_menu_item_image_label(ctx, media->next, "Next", NK_TEXT_RIGHT);
            nk_menu_item_image_label(ctx, media->prev, "Prev", NK_TEXT_RIGHT);
            nk_menu_end(ctx);
        }
        nk_button_image(ctx, media->tools);
        nk_button_image(ctx, media->cloud);
        nk_button_image(ctx, media->pen);
    }
    nk_menubar_end(ctx);

    /*------------------------------------------------
     *                  BUTTON
     *------------------------------------------------*/
    ui_header(ctx, media, "Push buttons");
    ui_widget(ctx, media, 35);
    if (nk_button_label(ctx, "Push me"))
        fprintf(stdout, "pushed!\n");
    ui_widget(ctx, media, 35);
    if (nk_button_image_label(ctx, media->rocket, "Styled", NK_TEXT_CENTERED))
        fprintf(stdout, "rocket!\n");

    /*------------------------------------------------
     *                  REPEATER
     *------------------------------------------------*/
    ui_header(ctx, media, "Repeater");
    ui_widget(ctx, media, 35);
    if (nk_button_label(ctx, "Press me"))
        fprintf(stdout, "pressed!\n");

    /*------------------------------------------------
     *                  TOGGLE
     *------------------------------------------------*/
    ui_header(ctx, media, "Toggle buttons");
    ui_widget(ctx, media, 35);
    if (nk_button_image_label(ctx, (toggle0) ? media->checked: media->unchecked, "Toggle", NK_TEXT_LEFT))
        toggle0 = !toggle0;

    ui_widget(ctx, media, 35);
    if (nk_button_image_label(ctx, (toggle1) ? media->checked: media->unchecked, "Toggle", NK_TEXT_LEFT))
        toggle1 = !toggle1;

    ui_widget(ctx, media, 35);
    if (nk_button_image_label(ctx, (toggle2) ? media->checked: media->unchecked, "Toggle", NK_TEXT_LEFT))
        toggle2 = !toggle2;

    /*------------------------------------------------
     *                  RADIO
     *------------------------------------------------*/
    ui_header(ctx, media, "Radio buttons");
    ui_widget(ctx, media, 35);
    if (nk_button_symbol_label(ctx, (option == 0)?NK_SYMBOL_CIRCLE_OUTLINE:NK_SYMBOL_CIRCLE_SOLID, "Select", NK_TEXT_LEFT))
        option = 0;
    ui_widget(ctx, media, 35);
    if (nk_button_symbol_label(ctx, (option == 1)?NK_SYMBOL_CIRCLE_OUTLINE:NK_SYMBOL_CIRCLE_SOLID, "Select", NK_TEXT_LEFT))
        option = 1;
    ui_widget(ctx, media, 35);
    if (nk_button_symbol_label(ctx, (option == 2)?NK_SYMBOL_CIRCLE_OUTLINE:NK_SYMBOL_CIRCLE_SOLID, "Select", NK_TEXT_LEFT))
        option = 2;

    /*------------------------------------------------
     *                  CONTEXTUAL
     *------------------------------------------------*/
    nk_style_set_font(ctx, &media->font_18->handle);
    if (nk_contextual_begin(ctx, NK_WINDOW_NO_SCROLLBAR, nk_vec2(150, 300), nk_window_get_bounds(ctx))) {
        nk_layout_row_dynamic(ctx, 30, 1);
        if (nk_contextual_item_image_label(ctx, media->copy, "Clone", NK_TEXT_RIGHT))
            fprintf(stdout, "pressed clone!\n");
        if (nk_contextual_item_image_label(ctx, media->del, "Delete", NK_TEXT_RIGHT))
            fprintf(stdout, "pressed delete!\n");
        if (nk_contextual_item_image_label(ctx, media->convert, "Convert", NK_TEXT_RIGHT))
            fprintf(stdout, "pressed convert!\n");
        if (nk_contextual_item_image_label(ctx, media->edit, "Edit", NK_TEXT_RIGHT))
            fprintf(stdout, "pressed edit!\n");
        nk_contextual_end(ctx);
    }
    nk_style_set_font(ctx, &media->font_14->handle);
    nk_end(ctx);
}
示例#24
0
/* ===============================================================
 *
 *                          DEMO
 *
 * ===============================================================*/
int
main(void)
{
    long dt;
    long started;
    int running = 1;
    int status;
    XWindow xw;
    struct rawfb_context *rawfb;
    void *fb = NULL;
    unsigned char tex_scratch[512 * 512];

    /* X11 */
    memset(&xw, 0, sizeof xw);
    xw.dpy = XOpenDisplay(NULL);
    if (!xw.dpy) die("Could not open a display; perhaps $DISPLAY is not set?");

    xw.root = DefaultRootWindow(xw.dpy);
    xw.screen = XDefaultScreen(xw.dpy);
    xw.vis = XDefaultVisual(xw.dpy, xw.screen);
    xw.cmap = XCreateColormap(xw.dpy,xw.root,xw.vis,AllocNone);
    xw.swa.colormap = xw.cmap;
    xw.swa.event_mask =
        ExposureMask | KeyPressMask | KeyReleaseMask |
        ButtonPress | ButtonReleaseMask| ButtonMotionMask |
        Button1MotionMask | Button3MotionMask | Button4MotionMask | Button5MotionMask|
        PointerMotionMask | KeymapStateMask | EnterWindowMask | LeaveWindowMask;
    xw.win = XCreateWindow(xw.dpy, xw.root, 0, 0, WINDOW_WIDTH, WINDOW_HEIGHT, 0,
        XDefaultDepth(xw.dpy, xw.screen), InputOutput,
        xw.vis, CWEventMask | CWColormap, &xw.swa);

    XStoreName(xw.dpy, xw.win, "X11");
    XMapWindow(xw.dpy, xw.win);
    XGetWindowAttributes(xw.dpy, xw.win, &xw.attr);
    xw.width = (unsigned int)xw.attr.width;
    xw.height = (unsigned int)xw.attr.height;

    /* Framebuffer emulator */
    status = nk_xlib_init(xw.dpy, xw.vis, xw.screen, xw.win, xw.width, xw.height, &fb);
    if (!status || !fb)
        return 0;

    /* GUI */
    rawfb = nk_rawfb_init(fb, tex_scratch, xw.width, xw.height, xw.width * 4);
    if (!rawfb) running = 0;

    #ifdef INCLUDE_STYLE
    /*set_style(ctx, THEME_WHITE);*/
    /*set_style(ctx, THEME_RED);*/
    /*set_style(ctx, THEME_BLUE);*/
    /*set_style(ctx, THEME_DARK);*/
    #endif

    while (running) {
        /* Input */
        XEvent evt;
        started = timestamp();
        nk_input_begin(&rawfb->ctx);
        while (XCheckWindowEvent(xw.dpy, xw.win, xw.swa.event_mask, &evt)) {
            if (XFilterEvent(&evt, xw.win)) continue;
            nk_xlib_handle_event(xw.dpy, xw.screen, xw.win, &evt, rawfb);
        }
        nk_input_end(&rawfb->ctx);

        /* GUI */
        if (nk_begin(&rawfb->ctx, "Demo", nk_rect(50, 50, 200, 200),
            NK_WINDOW_BORDER|NK_WINDOW_MOVABLE|
            NK_WINDOW_CLOSABLE|NK_WINDOW_MINIMIZABLE|NK_WINDOW_TITLE)) {
            enum {EASY, HARD};
            static int op = EASY;
            static int property = 20;

            nk_layout_row_static(&rawfb->ctx, 30, 80, 1);
            if (nk_button_label(&rawfb->ctx, "button"))
                fprintf(stdout, "button pressed\n");
            nk_layout_row_dynamic(&rawfb->ctx, 30, 2);
            if (nk_option_label(&rawfb->ctx, "easy", op == EASY)) op = EASY;
            if (nk_option_label(&rawfb->ctx, "hard", op == HARD)) op = HARD;
            nk_layout_row_dynamic(&rawfb->ctx, 25, 1);
            nk_property_int(&rawfb->ctx, "Compression:", 0, &property, 100, 10, 1);
        }
        nk_end(&rawfb->ctx);
        if (nk_window_is_closed(&rawfb->ctx, "Demo")) break;

        /* -------------- EXAMPLES ---------------- */
        #ifdef INCLUDE_CALCULATOR
          calculator(ctx);
        #endif
        #ifdef INCLUDE_OVERVIEW
          overview(ctx);
        #endif
        #ifdef INCLUDE_NODE_EDITOR
          node_editor(ctx);
        #endif
        /* ----------------------------------------- */

        /* Draw framebuffer */
        nk_rawfb_render(rawfb, nk_rgb(30,30,30), 1);

        /* Emulate framebuffer */
        XClearWindow(xw.dpy, xw.win);
        nk_xlib_render(xw.win);
        XFlush(xw.dpy);

        /* Timing */
        dt = timestamp() - started;
        if (dt < DTIME)
            sleep_for(DTIME - dt);
    }

    nk_rawfb_shutdown(rawfb);
    nk_xlib_shutdown();
    XUnmapWindow(xw.dpy, xw.win);
    XFreeColormap(xw.dpy, xw.cmap);
    XDestroyWindow(xw.dpy, xw.win);
    XCloseDisplay(xw.dpy);
    return 0;
}
示例#25
0
文件: main.c 项目: DimXenon/nuklear
/* ===============================================================
 *
 *                          DEMO
 *
 * ===============================================================*/
int
main(int argc, char* argv[])
{
    /* Platform */
    SDL_Window *win;
    SDL_GLContext glContext;
    struct nk_color background;
    int win_width, win_height;
    int running = 1;

    /* GUI */
    struct nk_context *ctx;

    /* SDL setup */
    SDL_SetHint(SDL_HINT_VIDEO_HIGHDPI_DISABLED, "0");
    SDL_Init(SDL_INIT_VIDEO|SDL_INIT_TIMER|SDL_INIT_EVENTS);
    SDL_GL_SetAttribute (SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_FORWARD_COMPATIBLE_FLAG);
    SDL_GL_SetAttribute (SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
    SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
    win = SDL_CreateWindow("Demo",
        SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
        WINDOW_WIDTH, WINDOW_HEIGHT, SDL_WINDOW_OPENGL|SDL_WINDOW_SHOWN|SDL_WINDOW_ALLOW_HIGHDPI);
    glContext = SDL_GL_CreateContext(win);
    SDL_GetWindowSize(win, &win_width, &win_height);

    /* OpenGL setup */
    glViewport(0, 0, WINDOW_WIDTH, WINDOW_HEIGHT);
    glewExperimental = 1;
    if (glewInit() != GLEW_OK) {
        fprintf(stderr, "Failed to setup GLEW\n");
        exit(1);
    }

    ctx = nk_sdl_init(win);
    /* Load Fonts: if none of these are loaded a default font will be used  */
    {struct nk_font_atlas *atlas;
    nk_sdl_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", 16, 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_sdl_font_stash_end();
    /*nk_style_set_font(ctx, &roboto->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 (running)
    {
        /* Input */
        SDL_Event evt;
        nk_input_begin(ctx);
        while (SDL_PollEvent(&evt)) {
            if (evt.type == SDL_QUIT) goto cleanup;
            nk_sdl_handle_event(&evt);
        }
        nk_input_end(ctx);

        /* GUI */
        {struct nk_panel layout;
        if (nk_begin(ctx, &layout, "Demo", nk_rect(200, 200, 210, 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", NK_BUTTON_DEFAULT))
                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);

            {struct nk_panel combo;
            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, &combo, background, 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);
        SDL_GetWindowSize(win, &win_width, &win_height);
        glViewport(0, 0, win_width, win_height);
        glClear(GL_COLOR_BUFFER_BIT);
        glClearColor(bg[0], bg[1], bg[2], bg[3]);
        /* IMPORTANT: `nk_sdl_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_sdl_render(NK_ANTI_ALIASING_ON, MAX_VERTEX_MEMORY, MAX_ELEMENT_MEMORY);
        SDL_GL_SwapWindow(win);}
    }

cleanup:
    nk_sdl_shutdown();
    SDL_GL_DeleteContext(glContext);
    SDL_DestroyWindow(win);
    SDL_Quit();
    return 0;
}
示例#26
0
文件: main.c 项目: DimXenon/nuklear
int main(void)
{
    struct nk_context *ctx;
    struct nk_color background;

    WNDCLASSW wc;
    RECT rect = { 0, 0, WINDOW_WIDTH, WINDOW_HEIGHT };
    DWORD style = WS_OVERLAPPEDWINDOW;
    DWORD exstyle = WS_EX_APPWINDOW;
    HWND wnd;
    int running = 1;
    HRESULT hr;
    D3D_FEATURE_LEVEL feature_level;
    DXGI_SWAP_CHAIN_DESC swap_chain_desc;

    /* Win32 */
    memset(&wc, 0, sizeof(wc));
    wc.lpfnWndProc = WindowProc;
    wc.hInstance = GetModuleHandleW(0);
    wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
    wc.hCursor = LoadCursor(NULL, IDC_ARROW);
    wc.lpszClassName = L"NuklearWindowClass";
    RegisterClassW(&wc);

    AdjustWindowRectEx(&rect, style, FALSE, exstyle);

    wnd = CreateWindowExW(exstyle, wc.lpszClassName, L"Nuklear Demo",
        style | WS_VISIBLE, CW_USEDEFAULT, CW_USEDEFAULT,
        rect.right - rect.left, rect.bottom - rect.top,
        NULL, NULL, wc.hInstance, NULL);

    /* D3D11 setup */
    memset(&swap_chain_desc, 0, sizeof(swap_chain_desc));
    swap_chain_desc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
    swap_chain_desc.BufferDesc.RefreshRate.Numerator = 60;
    swap_chain_desc.BufferDesc.RefreshRate.Denominator = 1;
    swap_chain_desc.SampleDesc.Count = 1;
    swap_chain_desc.SampleDesc.Quality = 0;
    swap_chain_desc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
    swap_chain_desc.BufferCount = 1;
    swap_chain_desc.OutputWindow = wnd;
    swap_chain_desc.Windowed = TRUE;
    swap_chain_desc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
    swap_chain_desc.Flags = 0;
    if (FAILED(D3D11CreateDeviceAndSwapChain(NULL, D3D_DRIVER_TYPE_HARDWARE,
        NULL, 0, NULL, 0, D3D11_SDK_VERSION, &swap_chain_desc,
        &swap_chain, &device, &feature_level, &context)))
    {
        /* if hardware device fails, then try WARP high-performance
           software rasterizer, this is useful for RDP sessions */
        hr = D3D11CreateDeviceAndSwapChain(NULL, D3D_DRIVER_TYPE_WARP,
            NULL, 0, NULL, 0, D3D11_SDK_VERSION, &swap_chain_desc,
            &swap_chain, &device, &feature_level, &context);
        assert(SUCCEEDED(hr));
    }
    set_swap_chain_size(WINDOW_WIDTH, WINDOW_HEIGHT);

    /* GUI */
    ctx = nk_d3d11_init(device, WINDOW_WIDTH, WINDOW_HEIGHT, MAX_VERTEX_BUFFER, MAX_INDEX_BUFFER);
    /* Load Fonts: if none of these are loaded a default font will be used  */
    {struct nk_font_atlas *atlas;
    nk_d3d11_font_stash_begin(&atlas);
    /*struct nk_font *droid = nk_font_atlas_add_from_file(atlas, "../../../extra_font/DroidSans.ttf", 14, 0);*/
    /*struct nk_font *robot = nk_font_atlas_add_from_file(atlas, "../../../extra_font/Robot-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_d3d11_font_stash_end();
    /*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 (running)
    {
        /* Input */
        MSG msg;
        nk_input_begin(ctx);
        while (PeekMessageW(&msg, NULL, 0, 0, PM_REMOVE))
        {
            if (msg.message == WM_QUIT)
                running = 0;
            TranslateMessage(&msg);
            DispatchMessageW(&msg);
        }
        nk_input_end(ctx);

        /* GUI */
        {struct nk_panel layout;
        if (nk_begin(ctx, &layout, "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", NK_BUTTON_DEFAULT))
                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, 22, 1);
            nk_property_int(ctx, "Compression:", 0, &property, 100, 10, 1);

            {struct nk_panel combo;
            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, &combo, background, 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);}
        if (nk_window_is_closed(ctx, "Demo")) break;

        /* -------------- EXAMPLES ---------------- */
        /*calculator(ctx);*/
        /*overview(ctx);*/
        /*node_editor(ctx);*/
        /* ----------------------------------------- */

        {/* Draw */
        float bg[4];
        nk_color_fv(bg, background);
        ID3D11DeviceContext_ClearRenderTargetView(context, rt_view, bg);
        ID3D11DeviceContext_OMSetRenderTargets(context, 1, &rt_view, NULL);
        nk_d3d11_render(context, NK_ANTI_ALIASING_ON);
        hr = IDXGISwapChain_Present(swap_chain, 1, 0);
        if (hr == DXGI_ERROR_DEVICE_RESET || hr == DXGI_ERROR_DEVICE_REMOVED) {
            /* to recover from this, you'll need to recreate device and all the resources */
            MessageBoxW(NULL, L"D3D11 device is lost or removed!", L"Error", 0);
            break;
        } else if (hr == DXGI_STATUS_OCCLUDED) {
            /* window is not visible, so vsync won't work. Let's sleep a bit to reduce CPU usage */
            Sleep(10);
        }
        assert(SUCCEEDED(hr));}
    }

    ID3D11DeviceContext_ClearState(context);
    nk_d3d11_shutdown();
    ID3D11ShaderResourceView_Release(rt_view);
    ID3D11DeviceContext_Release(context);
    ID3D11Device_Release(device);
    IDXGISwapChain_Release(swap_chain);
    UnregisterClassW(wc.lpszClassName, wc.hInstance);
    return 0;
}
示例#27
0
int main(int argc, char **argv)
{
    /* Platform */
    int running = 1;
    struct XWindow win;
    GLXContext glContext;
    struct nk_context *ctx;
    struct nk_color background;

    memset(&win, 0, sizeof(win));
    win.dpy = XOpenDisplay(NULL);
    if (!win.dpy) die("Failed to open X display\n");
    {
        /* check glx version */
        int glx_major, glx_minor;
        if (!glXQueryVersion(win.dpy, &glx_major, &glx_minor))
            die("[X11]: Error: Failed to query OpenGL version\n");
        if ((glx_major == 1 && glx_minor < 3) || (glx_major < 1))
            die("[X11]: Error: Invalid GLX version!\n");
    }
    {
        /* find and pick matching framebuffer visual */
        int fb_count;
        static GLint attr[] = {
            GLX_X_RENDERABLE,   True,
            GLX_DRAWABLE_TYPE,  GLX_WINDOW_BIT,
            GLX_RENDER_TYPE,    GLX_RGBA_BIT,
            GLX_X_VISUAL_TYPE,  GLX_TRUE_COLOR,
            GLX_RED_SIZE,       8,
            GLX_GREEN_SIZE,     8,
            GLX_BLUE_SIZE,      8,
            GLX_ALPHA_SIZE,     8,
            GLX_DEPTH_SIZE,     24,
            GLX_STENCIL_SIZE,   8,
            GLX_DOUBLEBUFFER,   True,
            None
        };
        GLXFBConfig *fbc;
        fbc = glXChooseFBConfig(win.dpy, DefaultScreen(win.dpy), attr, &fb_count);
        if (!fbc) die("[X11]: Error: failed to retrieve framebuffer configuration\n");
        {
            /* pick framebuffer with most samples per pixel */
            int i;
            int fb_best = -1, best_num_samples = -1;
            for (i = 0; i < fb_count; ++i) {
                XVisualInfo *vi = glXGetVisualFromFBConfig(win.dpy, fbc[i]);
                if (vi) {
                    int sample_buffer, samples;
                    glXGetFBConfigAttrib(win.dpy, fbc[i], GLX_SAMPLE_BUFFERS, &sample_buffer);
                    glXGetFBConfigAttrib(win.dpy, fbc[i], GLX_SAMPLES, &samples);
                    if ((fb_best < 0) || (sample_buffer && samples > best_num_samples))
                        fb_best = i; best_num_samples = samples;
                }
            }
            win.fbc = fbc[fb_best];
            XFree(fbc);
            win.vis = glXGetVisualFromFBConfig(win.dpy, win.fbc);
        }
    }
    {
        /* create window */
        win.cmap = XCreateColormap(win.dpy, RootWindow(win.dpy, win.vis->screen), win.vis->visual, AllocNone);
        win.swa.colormap =  win.cmap;
        win.swa.background_pixmap = None;
        win.swa.border_pixel = 0;
        win.swa.event_mask =
            ExposureMask | KeyPressMask | KeyReleaseMask |
            ButtonPress | ButtonReleaseMask| ButtonMotionMask |
            Button1MotionMask | Button3MotionMask | Button4MotionMask | Button5MotionMask|
            PointerMotionMask| StructureNotifyMask;
        win.win = XCreateWindow(win.dpy, RootWindow(win.dpy, win.vis->screen), 0, 0,
            WINDOW_WIDTH, WINDOW_HEIGHT, 0, win.vis->depth, InputOutput,
            win.vis->visual, CWBorderPixel|CWColormap|CWEventMask, &win.swa);
        if (!win.win) die("[X11]: Failed to create window\n");
        XFree(win.vis);
        XStoreName(win.dpy, win.win, "Demo");
        XMapWindow(win.dpy, win.win);
    }
    {
        /* create opengl context */
        typedef GLXContext(*glxCreateContext)(Display*, GLXFBConfig, GLXContext, Bool, const int*);
        int(*old_handler)(Display*, XErrorEvent*) = XSetErrorHandler(gl_error_handler);
        const char *extensions_str = glXQueryExtensionsString(win.dpy, DefaultScreen(win.dpy));
        glxCreateContext create_context = (glxCreateContext)
            glXGetProcAddressARB((const GLubyte*)"glXCreateContextAttribsARB");

        gl_err = FALSE;
        if (!has_extension(extensions_str, "GLX_ARB_create_context") || !create_context) {
            fprintf(stdout, "[X11]: glXCreateContextAttribARB() not found...\n");
            fprintf(stdout, "[X11]: ... using old-style GLX context\n");
            glContext = glXCreateNewContext(win.dpy, win.fbc, GLX_RGBA_TYPE, 0, True);
        } else {
            GLint attr[] = {
                GLX_CONTEXT_MAJOR_VERSION_ARB, 3,
                GLX_CONTEXT_MINOR_VERSION_ARB, 0,
                None
            };
            glContext = create_context(win.dpy, win.fbc, 0, True, attr);
            XSync(win.dpy, False);
            if (gl_err || !glContext) {
                /* Could not create GL 3.0 context. Fallback to old 2.x context.
                 * If a version below 3.0 is requested, implementations will
                 * return the newest context version compatible with OpenGL
                 * version less than version 3.0.*/
                attr[1] = 1; attr[3] = 0;
                gl_err = FALSE;
                fprintf(stdout, "[X11] Failed to create OpenGL 3.0 context\n");
                fprintf(stdout, "[X11] ... using old-style GLX context!\n");
                glContext = create_context(win.dpy, win.fbc, 0, True, attr);
            }
        }
        XSync(win.dpy, False);
        XSetErrorHandler(old_handler);
        if (gl_err || !glContext)
            die("[X11]: Failed to create an OpenGL context\n");
        glXMakeCurrent(win.dpy, win.win, glContext);
    }

    ctx = nk_x11_init(win.dpy, win.win);
    /* Load Fonts: if none of these are loaded a default font will be used  */
    {struct nk_font_atlas *atlas;
    nk_x11_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_x11_font_stash_end();
    /*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 (running)
    {
        /* Input */
        XEvent evt;
        nk_input_begin(ctx);
        while (XCheckWindowEvent(win.dpy, win.win, win.swa.event_mask, &evt)){
            if (XFilterEvent(&evt, win.win)) continue;
            nk_x11_handle_event(&evt);
        }
        nk_input_end(ctx);

        /* GUI */
        {struct nk_panel layout;
        if (nk_begin(ctx, &layout, "Demo", nk_rect(50, 50, 200, 200),
            NK_WINDOW_BORDER|NK_WINDOW_MOVABLE|NK_WINDOW_SCALABLE|
            NK_WINDOW_CLOSABLE|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", NK_BUTTON_DEFAULT))
                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);

            {struct nk_panel combo;
            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, &combo, background, 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);}
        if (nk_window_is_closed(ctx, "Demo")) break;

        /* -------------- EXAMPLES ---------------- */
        /*calculator(ctx);*/
        /*overview(ctx);*/
        /*node_editor(ctx);*/
        /* ----------------------------------------- */

        /* Draw */
        {float bg[4];
        nk_color_fv(bg, background);
        XGetWindowAttributes(win.dpy, win.win, &win.attr);
        glViewport(0, 0, win.width, win.height);
        glClear(GL_COLOR_BUFFER_BIT);
        glClearColor(bg[0], bg[1], bg[2], bg[3]);
        /* IMPORTANT: `nk_x11_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_x11_render(NK_ANTI_ALIASING_ON, MAX_VERTEX_BUFFER, MAX_ELEMENT_BUFFER);
        glXSwapBuffers(win.dpy, win.win);}
    }

    nk_x11_shutdown();
    glXMakeCurrent(win.dpy, 0, 0);
    glXDestroyContext(win.dpy, glContext);
    XUnmapWindow(win.dpy, win.win);
    XFreeColormap(win.dpy, win.cmap);
    XDestroyWindow(win.dpy, win.win);
    XCloseDisplay(win.dpy);
    return 0;

}
示例#28
0
int main(int argc, char** argv)
{
    if (argc > 2)
        message_and_abort_fmt("Usage: %s [filename]", argv[0]);

    Render::RenderSettings renderSettings;
    renderSettings.windowWidth = 800;
    renderSettings.windowHeight = 600;
    renderSettings.fullscreen = false;

    NuklearMisc::StandaloneGuiHandler guiHandler("Cel Viewer", renderSettings);

    nk_context* ctx = guiHandler.getNuklearContext();

    Settings::Settings settings;
    settings.loadFromFile("resources/celview.ini");

    bool faioInitDone = false;
    std::string listFile = settings.get<std::string>("celview", "listFile", "Diablo I.txt");
    std::string mpqFile = settings.get<std::string>("celview", "mpqFile", "DIABDAT.MPQ");

    std::vector<std::string> celFiles;

    std::string selectedImage = "";
    std::unique_ptr<NuklearMisc::GuiSprite> image;

    std::unique_ptr<NuklearMisc::GuiSprite> nextImage;

    int animate = false;
    int32_t frame = 0;

    float rowHeight = 30;
    auto lastFrame = std::chrono::high_resolution_clock::now();

    bool quit = false;
    while (!quit)
    {
        auto now = std::chrono::high_resolution_clock::now();

        if (nextImage)
            image = std::unique_ptr<NuklearMisc::GuiSprite>(nextImage.release());

        renderSettings = Render::getWindowSize();

        if (nk_begin(ctx, "main_window", nk_rect(0, 0, renderSettings.windowWidth, renderSettings.windowHeight), NK_WINDOW_NO_SCROLLBAR))
        {
            struct nk_rect bounds = nk_window_get_content_region(ctx);

            nk_layout_row_dynamic(ctx, bounds.h, 2);

            if (nk_group_begin(ctx, "image", 0))
            {
                nk_layout_row_dynamic(ctx, rowHeight, 1);

                std::string label = selectedImage;

                if (selectedImage == "")
                    label = "No image selected";

                nk_label(ctx, label.c_str(), NK_TEXT_CENTERED);

                nk_checkbox_label(ctx, "Animate", &animate);

                if (image)
                {
                    nk_label(ctx, (boost::format("Number of Frames: %1%") % image.get()->getSprite()->size()).str().c_str(), NK_TEXT_LEFT);
                    nk_label(ctx, (boost::format("Width: %1%") % image->getSprite()->getWidth()).str().c_str(), NK_TEXT_LEFT);
                    nk_label(ctx, (boost::format("Height: %1%") % image->getSprite()->getHeight()).str().c_str(), NK_TEXT_LEFT);
                    frame = nk_propertyi(ctx, "Frame", 0, frame, image->getSprite()->size(), 1, 0.2f);

                    if (nk_button_label(ctx, "save as png"))
                    {
                        nfdchar_t* outPath = NULL;
                        nfdresult_t result = NFD_SaveDialog("png", NULL, &outPath);
                        if (result == NFD_OKAY)
                        {
                            Render::SpriteGroup::toPng(selectedImage, outPath);
                            free(outPath);
                        }
                    }

                    if (nk_button_label(ctx, "save as gif"))
                    {
                        nfdchar_t* outPath = NULL;
                        nfdresult_t result = NFD_SaveDialog("gif", NULL, &outPath);
                        if (result == NFD_OKAY)
                        {
                            Render::SpriteGroup::toGif(selectedImage, outPath);
                            free(outPath);
                        }
                    }

                    auto msSinceLastFrame = std::chrono::duration_cast<std::chrono::milliseconds>(now - lastFrame).count();
                    if (animate && msSinceLastFrame > 100)
                    {
                        lastFrame = now;
                        frame++;
                    }

                    if (frame >= (int32_t)image.get()->getSprite()->size())
                        frame = 0;

                    Render::Sprite sprite = image.get()->getSprite()->operator[](frame);

                    int32_t w, h;
                    Render::spriteSize(sprite, w, h);

                    nk_layout_space_begin(ctx, NK_STATIC, h, 1);
                    {
                        nk_layout_space_push(ctx, nk_rect(0, 0, w, h));

                        auto canvas = nk_window_get_canvas(ctx);

                        struct nk_rect imageRect;
                        nk_widget(&imageRect, ctx);
                        nk_fill_rect(canvas, imageRect, 0.0, nk_rgb(0, 255, 0));

                        auto img = image.get()->getNkImage(frame);
                        nk_draw_image(canvas, imageRect, &img, nk_rgb(255, 255, 255));
                    }
                    nk_layout_space_end(ctx);
                }

                nk_group_end(ctx);
            }

            if (nk_group_begin(ctx, "file list", 0))
            {
                if (!faioInitDone)
                {
                    nk_layout_row_dynamic(ctx, rowHeight * 2, 1);

                    NuklearMisc::nk_file_pick(ctx, "DIABDAT.MPQ", mpqFile, "mpq,MPQ", rowHeight);
                    NuklearMisc::nk_file_pick(ctx, "Diablo listfile", listFile, "txt", rowHeight);

                    if (nk_button_label(ctx, "load"))
                    {
                        FAIO::init(mpqFile, listFile);
                        celFiles = FAIO::listMpqFiles("*.cel");
                        auto tmp = FAIO::listMpqFiles("*.cl2");
                        celFiles.insert(celFiles.end(), tmp.begin(), tmp.end());

                        std::sort(celFiles.begin(), celFiles.end());

                        settings.set<std::string>("celview", "listFile", listFile);
                        settings.set<std::string>("celview", "mpqFile", mpqFile);
                        settings.save();

                        faioInitDone = true;

                        if (argc > 1)
                        {
                            selectedImage = argv[1];
                            frame = 0;
                            nextImage = std::unique_ptr<NuklearMisc::GuiSprite>(guiHandler.getSprite(new Render::SpriteGroup(selectedImage)));
                        }
                    }
                }

                nk_layout_row_dynamic(ctx, rowHeight, 1);

                for (size_t i = 0; i < celFiles.size(); i++)
                {
                    auto buttonStyle = ctx->style.button;

                    if (selectedImage == celFiles[i])
                        buttonStyle.normal = buttonStyle.hover;

                    if (nk_button_label_styled(ctx, &buttonStyle, celFiles[i].c_str()))
                    {
                        selectedImage = celFiles[i];
                        frame = 0;
                        nextImage = std::unique_ptr<NuklearMisc::GuiSprite>(guiHandler.getSprite(new Render::SpriteGroup(selectedImage)));
                    }
                }

                nk_group_end(ctx);
            }
        }
        nk_end(ctx);

        quit = guiHandler.update();
    }

    FAIO::quit();

    return 0;
}
示例#29
0
bool nk_wnd_file_picker(nk_menu_handle_t *nk, char* title, char* in, char* out, char* filter)
{
   struct nk_panel layout;
   struct nk_context                 *ctx = &nk->ctx;
   const int id                      = NK_WND_FILE_PICKER;
   int i                             = 0;
   static file_list_t *drives        = NULL;
   static struct string_list *files  = NULL;
   settings_t *settings              = config_get_ptr();
   bool ret                          = false;

   if (!drives)
   {
      drives = (file_list_t*)calloc(1, sizeof(file_list_t));
      frontend_driver_parse_drive_list(drives, false);
   }

   if (!string_is_empty(in) && string_is_empty(path))
   {
      strlcpy(path, in, sizeof(path));
      files = dir_list_new(path, filter, true, settings->bools.show_hidden_files, true, false);
   }

   if (!assets_loaded)
      load_icons(nk);

   if (nk_begin(ctx, title, nk_rect(10, 10, 500, 400),
         NK_WINDOW_CLOSABLE|NK_WINDOW_MINIMIZABLE|NK_WINDOW_MOVABLE|
         NK_WINDOW_BORDER))
   {
      nk_layout_row_dynamic(ctx, 30, 4);

      if (drives->size == 0)
      {
         if(nk_button_image_label(ctx, icons.disk, "/", 
            NK_TEXT_CENTERED))
         {
            fill_pathname_join(path, "/",
                  "", sizeof(path));
            files = dir_list_new(path, filter, true, settings->bools.show_hidden_files, true, false);
         }
      }
      else
      {
         for (i = 0; i < drives->size; i++)
         {
            if(nk_button_image_label(ctx, icons.disk, drives->list[i].path, 
               NK_TEXT_CENTERED))
            {
               fill_pathname_join(path, drives->list[i].path,
                     "", sizeof(path));
               files = dir_list_new(path, filter, true, settings->bools.show_hidden_files, true, false);
            }
         }
      }

      nk_layout_row_dynamic(ctx, 30, 1);
      if (files)
      {
         for (i = 0; i < files->size; i++)
         {
            if (nk_button_image_label(ctx, path_is_directory(files->elems[i].data) ? 
               icons.folder : icons.file, path_basename(files->elems[i].data), 
               NK_TEXT_RIGHT))
            {
               strlcpy (path, files->elems[i].data, sizeof(path));
               if (path_is_directory (path))
                  files = dir_list_new(path, filter, true, settings->bools.show_hidden_files, true, false);
            }
         }
      }
      nk_layout_row_dynamic(ctx, 30, 1);
      {
         if (nk_button_text(ctx, "OK", 2))
         {
            ret = true;
            strlcpy(out, path, sizeof(path));
            nk->window[NK_WND_FILE_PICKER].open = false;
            path[0] = '\0';
         }
      }
   }

   /* sort the dir list with directories first */
   dir_list_sort(files, true);

   /* copy the path variable to out*/

   /* save position and size to restore after context reset */
   nk_wnd_set_state(nk, id, nk_window_get_position(ctx), nk_window_get_size(ctx));
   nk_end(ctx);

   return ret;
}
示例#30
0
int initialize(int w, int h)
{
    struct nk_color background;
    int running = 1;
    float bg[4];
    int draw_buffer[1024 * 16];

    ctx = nk_headless_init(w, h, 8, 8);
    background = nk_rgb(28,48,62);
    while (running)
    {
        /* Input */
        nk_input_begin(ctx);
		if (nk_headless_handle_event() == nk_false) {
			 goto cleanup;
		}
        nk_input_end(ctx);

        /* GUI */
        {struct nk_panel layout;
        if (nk_begin(ctx, &layout, "Demo", nk_rect(50, 50, 210, 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;
            static char buffer[64];
            static int len;

            nk_layout_row_static(ctx, 30, 80, 1);
            if (nk_button_label(ctx, "button", NK_BUTTON_DEFAULT))
                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_edit_string(ctx, NK_EDIT_SIMPLE, buffer, &len, 64, 0);

            {struct nk_panel combo;
            nk_layout_row_dynamic(ctx, 30, 1);
            nk_label(ctx, "background:", NK_TEXT_LEFT);
            nk_layout_row_dynamic(ctx, 25, 1);
            if (nk_combo_begin_color(ctx, &combo, background, 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);}

        /* Draw */
        nk_color_fv(bg, background);
        nk_headless_clear(nk_rgb(30,30,30));
        nk_headless_render(draw_buffer);
    }

cleanup:
    nk_headless_shutdown();
    /*SDL_Quit();*/
    return 0;
}