/* ===============================================================
*
* 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);
}
/* ===============================================================
*
* 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);
}
/* ===============================================================
*
* 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;
}
/* ===============================================================
*
* 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 */
/* Load Cursor: if you uncomment cursor loading please hide the cursor */
{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_load_all_cursors(ctx, atlas->cursors);*/
/*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"))
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, nk_vec2(nk_widget_width(ctx),400))) {
nk_layout_row_dynamic(ctx, 120, 1);
background = nk_color_picker(ctx, background, NK_RGBA);
nk_layout_row_dynamic(ctx, 25, 1);
background.r = (nk_byte)nk_propertyi(ctx, "#R:", 0, background.r, 255, 1,1);
background.g = (nk_byte)nk_propertyi(ctx, "#G:", 0, background.g, 255, 1,1);
background.b = (nk_byte)nk_propertyi(ctx, "#B:", 0, background.b, 255, 1,1);
background.a = (nk_byte)nk_propertyi(ctx, "#A:", 0, background.a, 255, 1,1);
nk_combo_end(ctx);
}}
}
nk_end(ctx);}
/* -------------- EXAMPLES ---------------- */
/*calculator(ctx);*/
/*overview(ctx);*/
/*node_editor(ctx);*/
/* ----------------------------------------- */
/* Draw */
{float bg[4];
nk_color_fv(bg, background);
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;
}
int main(void)
{
/* Platform */
int running = 1;
struct XWindow win;
GLXContext glContext;
struct nk_context *ctx;
struct nk_colorf bg;
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);
win.wm_delete_window = XInternAtom(win.dpy, "WM_DELETE_WINDOW", False);
XSetWMProtocols(win.dpy, win.win, &win.wm_delete_window, 1);
}
{
/* 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 = nk_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, 2,
GLX_CONTEXT_MINOR_VERSION_ARB, 2,
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 = nk_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 */
/* Load Cursor: if you uncomment cursor loading please hide the cursor */
{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_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 (running)
{
/* Input */
XEvent evt;
nk_input_begin(ctx);
while (XPending(win.dpy)) {
XNextEvent(win.dpy, &evt);
if (evt.type == ClientMessage) goto cleanup;
if (XFilterEvent(&evt, win.win)) continue;
nk_x11_handle_event(&evt);
}
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, 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 */
XGetWindowAttributes(win.dpy, win.win, &win.attr);
glViewport(0, 0, win.width, win.height);
glClear(GL_COLOR_BUFFER_BIT);
glClearColor(bg.r, bg.g, bg.b, bg.a);
/* 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);
}
cleanup:
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;
}
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;
}