/* ===============================================================
*
* BUTTON DEMO
*
* ===============================================================*/
static void
ui_header(struct nk_context *ctx, struct media *media, const char *title)
{
nk_style_set_font(ctx, &media->font_18->handle);
nk_layout_row_dynamic(ctx, 20, 1);
nk_label(ctx, title, NK_TEXT_LEFT);
}
static void
ui_widget_centered(struct nk_context *ctx, struct media *media, float height)
{
static const float ratio[] = {0.15f, 0.50f, 0.35f};
nk_style_set_font(ctx, &media->font_22->handle);
nk_layout_row(ctx, NK_DYNAMIC, height, 3, ratio);
nk_spacing(ctx, 1);
}
struct nk_context* initializeUI(GLFWwindow* window)
{
ctx = nk_glfw3_init(window, NK_GLFW3_INSTALL_CALLBACKS);
struct nk_font_atlas *atlas;
nk_glfw3_font_stash_begin(&atlas);
struct nk_font *droid = nk_font_atlas_add_from_file(atlas, "DroidSans.ttf", 14, 0);
nk_glfw3_font_stash_end();
nk_style_set_font(ctx, &droid->handle);
return 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);
}
/* ===============================================================
*
* 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);
}
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);
}
