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overview.c
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overview.c
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static int
overview(struct nk_context *ctx)
{
/* window flags */
static int show_menu = nk_true;
static int titlebar = nk_true;
static int border = nk_true;
static int resize = nk_true;
static int movable = nk_true;
static int no_scrollbar = nk_false;
static int scale_left = nk_false;
static nk_flags window_flags = 0;
static int minimizable = nk_true;
/* popups */
static enum nk_style_header_align header_align = NK_HEADER_RIGHT;
static int show_app_about = nk_false;
/* window flags */
window_flags = 0;
ctx->style.window.header.align = header_align;
if (border) window_flags |= NK_WINDOW_BORDER;
if (resize) window_flags |= NK_WINDOW_SCALABLE;
if (movable) window_flags |= NK_WINDOW_MOVABLE;
if (no_scrollbar) window_flags |= NK_WINDOW_NO_SCROLLBAR;
if (scale_left) window_flags |= NK_WINDOW_SCALE_LEFT;
if (minimizable) window_flags |= NK_WINDOW_MINIMIZABLE;
if (nk_begin(ctx, "Overview", nk_rect(10, 10, 400, 600), window_flags))
{
if (show_menu)
{
/* menubar */
enum menu_states {MENU_DEFAULT, MENU_WINDOWS};
static nk_size mprog = 60;
static int mslider = 10;
static int mcheck = nk_true;
nk_menubar_begin(ctx);
/* menu #1 */
nk_layout_row_begin(ctx, NK_STATIC, 25, 5);
nk_layout_row_push(ctx, 45);
if (nk_menu_begin_label(ctx, "MENU", NK_TEXT_LEFT, nk_vec2(120, 200)))
{
static size_t prog = 40;
static int slider = 10;
static int check = nk_true;
nk_layout_row_dynamic(ctx, 25, 1);
if (nk_menu_item_label(ctx, "Hide", NK_TEXT_LEFT))
show_menu = nk_false;
if (nk_menu_item_label(ctx, "About", NK_TEXT_LEFT))
show_app_about = nk_true;
nk_progress(ctx, &prog, 100, NK_MODIFIABLE);
nk_slider_int(ctx, 0, &slider, 16, 1);
nk_checkbox_label(ctx, "check", &check);
nk_menu_end(ctx);
}
/* menu #2 */
nk_layout_row_push(ctx, 60);
if (nk_menu_begin_label(ctx, "ADVANCED", NK_TEXT_LEFT, nk_vec2(200, 600)))
{
enum menu_state {MENU_NONE,MENU_FILE, MENU_EDIT,MENU_VIEW,MENU_CHART};
static enum menu_state menu_state = MENU_NONE;
enum nk_collapse_states state;
state = (menu_state == MENU_FILE) ? NK_MAXIMIZED: NK_MINIMIZED;
if (nk_tree_state_push(ctx, NK_TREE_TAB, "FILE", &state)) {
menu_state = MENU_FILE;
nk_menu_item_label(ctx, "New", NK_TEXT_LEFT);
nk_menu_item_label(ctx, "Open", NK_TEXT_LEFT);
nk_menu_item_label(ctx, "Save", NK_TEXT_LEFT);
nk_menu_item_label(ctx, "Close", NK_TEXT_LEFT);
nk_menu_item_label(ctx, "Exit", NK_TEXT_LEFT);
nk_tree_pop(ctx);
} else menu_state = (menu_state == MENU_FILE) ? MENU_NONE: menu_state;
state = (menu_state == MENU_EDIT) ? NK_MAXIMIZED: NK_MINIMIZED;
if (nk_tree_state_push(ctx, NK_TREE_TAB, "EDIT", &state)) {
menu_state = MENU_EDIT;
nk_menu_item_label(ctx, "Copy", NK_TEXT_LEFT);
nk_menu_item_label(ctx, "Delete", NK_TEXT_LEFT);
nk_menu_item_label(ctx, "Cut", NK_TEXT_LEFT);
nk_menu_item_label(ctx, "Paste", NK_TEXT_LEFT);
nk_tree_pop(ctx);
} else menu_state = (menu_state == MENU_EDIT) ? MENU_NONE: menu_state;
state = (menu_state == MENU_VIEW) ? NK_MAXIMIZED: NK_MINIMIZED;
if (nk_tree_state_push(ctx, NK_TREE_TAB, "VIEW", &state)) {
menu_state = MENU_VIEW;
nk_menu_item_label(ctx, "About", NK_TEXT_LEFT);
nk_menu_item_label(ctx, "Options", NK_TEXT_LEFT);
nk_menu_item_label(ctx, "Customize", NK_TEXT_LEFT);
nk_tree_pop(ctx);
} else menu_state = (menu_state == MENU_VIEW) ? MENU_NONE: menu_state;
state = (menu_state == MENU_CHART) ? NK_MAXIMIZED: NK_MINIMIZED;
if (nk_tree_state_push(ctx, NK_TREE_TAB, "CHART", &state)) {
size_t i = 0;
const float values[]={26.0f,13.0f,30.0f,15.0f,25.0f,10.0f,20.0f,40.0f,12.0f,8.0f,22.0f,28.0f};
menu_state = MENU_CHART;
nk_layout_row_dynamic(ctx, 150, 1);
nk_chart_begin(ctx, NK_CHART_COLUMN, NK_LEN(values), 0, 50);
for (i = 0; i < NK_LEN(values); ++i)
nk_chart_push(ctx, values[i]);
nk_chart_end(ctx);
nk_tree_pop(ctx);
} else menu_state = (menu_state == MENU_CHART) ? MENU_NONE: menu_state;
nk_menu_end(ctx);
}
/* menu widgets */
nk_layout_row_push(ctx, 70);
nk_progress(ctx, &mprog, 100, NK_MODIFIABLE);
nk_slider_int(ctx, 0, &mslider, 16, 1);
nk_checkbox_label(ctx, "check", &mcheck);
nk_menubar_end(ctx);
}
if (show_app_about)
{
/* about popup */
static struct nk_rect s = {20, 100, 300, 190};
if (nk_popup_begin(ctx, NK_POPUP_STATIC, "About", NK_WINDOW_CLOSABLE, s))
{
nk_layout_row_dynamic(ctx, 20, 1);
nk_label(ctx, "Nuklear", NK_TEXT_LEFT);
nk_label(ctx, "By Micha Mettke", NK_TEXT_LEFT);
nk_label(ctx, "nuklear is licensed under the public domain License.", NK_TEXT_LEFT);
nk_popup_end(ctx);
} else show_app_about = nk_false;
}
/* window flags */
if (nk_tree_push(ctx, NK_TREE_TAB, "Window", NK_MINIMIZED)) {
nk_layout_row_dynamic(ctx, 30, 2);
nk_checkbox_label(ctx, "Titlebar", &titlebar);
nk_checkbox_label(ctx, "Menu", &show_menu);
nk_checkbox_label(ctx, "Border", &border);
nk_checkbox_label(ctx, "Resizable", &resize);
nk_checkbox_label(ctx, "Movable", &movable);
nk_checkbox_label(ctx, "No Scrollbar", &no_scrollbar);
nk_checkbox_label(ctx, "Minimizable", &minimizable);
nk_checkbox_label(ctx, "Scale Left", &scale_left);
nk_tree_pop(ctx);
}
if (nk_tree_push(ctx, NK_TREE_TAB, "Widgets", NK_MINIMIZED))
{
enum options {A,B,C};
static int checkbox;
static int option;
if (nk_tree_push(ctx, NK_TREE_NODE, "Text", NK_MINIMIZED))
{
/* Text Widgets */
nk_layout_row_dynamic(ctx, 20, 1);
nk_label(ctx, "Label aligned left", NK_TEXT_LEFT);
nk_label(ctx, "Label aligned centered", NK_TEXT_CENTERED);
nk_label(ctx, "Label aligned right", NK_TEXT_RIGHT);
nk_label_colored(ctx, "Blue text", NK_TEXT_LEFT, nk_rgb(0,0,255));
nk_label_colored(ctx, "Yellow text", NK_TEXT_LEFT, nk_rgb(255,255,0));
nk_text(ctx, "Text without /0", 15, NK_TEXT_RIGHT);
nk_layout_row_static(ctx, 100, 200, 1);
nk_label_wrap(ctx, "This is a very long line to hopefully get this text to be wrapped into multiple lines to show line wrapping");
nk_layout_row_dynamic(ctx, 100, 1);
nk_label_wrap(ctx, "This is another long text to show dynamic window changes on multiline text");
nk_tree_pop(ctx);
}
if (nk_tree_push(ctx, NK_TREE_NODE, "Button", NK_MINIMIZED))
{
/* Buttons Widgets */
nk_layout_row_static(ctx, 30, 100, 3);
if (nk_button_label(ctx, "Button"))
fprintf(stdout, "Button pressed!\n");
nk_button_set_behavior(ctx, NK_BUTTON_REPEATER);
if (nk_button_label(ctx, "Repeater"))
fprintf(stdout, "Repeater is being pressed!\n");
nk_button_set_behavior(ctx, NK_BUTTON_DEFAULT);
nk_button_color(ctx, nk_rgb(0,0,255));
nk_layout_row_static(ctx, 25, 25, 8);
nk_button_symbol(ctx, NK_SYMBOL_CIRCLE_SOLID);
nk_button_symbol(ctx, NK_SYMBOL_CIRCLE_OUTLINE);
nk_button_symbol(ctx, NK_SYMBOL_RECT_SOLID);
nk_button_symbol(ctx, NK_SYMBOL_RECT_OUTLINE);
nk_button_symbol(ctx, NK_SYMBOL_TRIANGLE_UP);
nk_button_symbol(ctx, NK_SYMBOL_TRIANGLE_DOWN);
nk_button_symbol(ctx, NK_SYMBOL_TRIANGLE_LEFT);
nk_button_symbol(ctx, NK_SYMBOL_TRIANGLE_RIGHT);
nk_layout_row_static(ctx, 30, 100, 2);
nk_button_symbol_label(ctx, NK_SYMBOL_TRIANGLE_LEFT, "prev", NK_TEXT_RIGHT);
nk_button_symbol_label(ctx, NK_SYMBOL_TRIANGLE_RIGHT, "next", NK_TEXT_LEFT);
nk_tree_pop(ctx);
}
if (nk_tree_push(ctx, NK_TREE_NODE, "Basic", NK_MINIMIZED))
{
/* Basic widgets */
static int int_slider = 5;
static float float_slider = 2.5f;
static size_t prog_value = 40;
static float property_float = 2;
static int property_int = 10;
static int property_neg = 10;
static float range_float_min = 0;
static float range_float_max = 100;
static float range_float_value = 50;
static int range_int_min = 0;
static int range_int_value = 2048;
static int range_int_max = 4096;
static const float ratio[] = {120, 150};
nk_layout_row_static(ctx, 30, 100, 1);
nk_checkbox_label(ctx, "Checkbox", &checkbox);
nk_layout_row_static(ctx, 30, 80, 3);
option = nk_option_label(ctx, "optionA", option == A) ? A : option;
option = nk_option_label(ctx, "optionB", option == B) ? B : option;
option = nk_option_label(ctx, "optionC", option == C) ? C : option;
nk_layout_row(ctx, NK_STATIC, 30, 2, ratio);
nk_labelf(ctx, NK_TEXT_LEFT, "Slider int");
nk_slider_int(ctx, 0, &int_slider, 10, 1);
nk_label(ctx, "Slider float", NK_TEXT_LEFT);
nk_slider_float(ctx, 0, &float_slider, 5.0, 0.5f);
nk_labelf(ctx, NK_TEXT_LEFT, "Progressbar: %zu" , prog_value);
nk_progress(ctx, &prog_value, 100, NK_MODIFIABLE);
nk_layout_row(ctx, NK_STATIC, 25, 2, ratio);
nk_label(ctx, "Property float:", NK_TEXT_LEFT);
nk_property_float(ctx, "Float:", 0, &property_float, 64.0f, 0.1f, 0.2f);
nk_label(ctx, "Property int:", NK_TEXT_LEFT);
nk_property_int(ctx, "Int:", 0, &property_int, 100.0f, 1, 1);
nk_label(ctx, "Property neg:", NK_TEXT_LEFT);
nk_property_int(ctx, "Neg:", -10, &property_neg, 10, 1, 1);
nk_layout_row_dynamic(ctx, 25, 1);
nk_label(ctx, "Range:", NK_TEXT_LEFT);
nk_layout_row_dynamic(ctx, 25, 3);
nk_property_float(ctx, "#min:", 0, &range_float_min, range_float_max, 1.0f, 0.2f);
nk_property_float(ctx, "#float:", range_float_min, &range_float_value, range_float_max, 1.0f, 0.2f);
nk_property_float(ctx, "#max:", range_float_min, &range_float_max, 100, 1.0f, 0.2f);
nk_property_int(ctx, "#min:", INT_MIN, &range_int_min, range_int_max, 1, 10);
nk_property_int(ctx, "#neg:", range_int_min, &range_int_value, range_int_max, 1, 10);
nk_property_int(ctx, "#max:", range_int_min, &range_int_max, INT_MAX, 1, 10);
nk_tree_pop(ctx);
}
if (nk_tree_push(ctx, NK_TREE_NODE, "Inactive", NK_MINIMIZED))
{
static int inactive = 1;
nk_layout_row_dynamic(ctx, 30, 1);
nk_checkbox_label(ctx, "Inactive", &inactive);
nk_layout_row_static(ctx, 30, 80, 1);
if (inactive) {
struct nk_style_button button;
button = ctx->style.button;
ctx->style.button.normal = nk_style_item_color(nk_rgb(40,40,40));
ctx->style.button.hover = nk_style_item_color(nk_rgb(40,40,40));
ctx->style.button.active = nk_style_item_color(nk_rgb(40,40,40));
ctx->style.button.border_color = nk_rgb(60,60,60);
ctx->style.button.text_background = nk_rgb(60,60,60);
ctx->style.button.text_normal = nk_rgb(60,60,60);
ctx->style.button.text_hover = nk_rgb(60,60,60);
ctx->style.button.text_active = nk_rgb(60,60,60);
nk_button_label(ctx, "button");
ctx->style.button = button;
} else if (nk_button_label(ctx, "button"))
fprintf(stdout, "button pressed\n");
nk_tree_pop(ctx);
}
if (nk_tree_push(ctx, NK_TREE_NODE, "Selectable", NK_MINIMIZED))
{
if (nk_tree_push(ctx, NK_TREE_NODE, "List", NK_MINIMIZED))
{
static int selected[4] = {nk_false, nk_false, nk_true, nk_false};
nk_layout_row_static(ctx, 18, 100, 1);
nk_selectable_label(ctx, "Selectable", NK_TEXT_LEFT, &selected[0]);
nk_selectable_label(ctx, "Selectable", NK_TEXT_LEFT, &selected[1]);
nk_label(ctx, "Not Selectable", NK_TEXT_LEFT);
nk_selectable_label(ctx, "Selectable", NK_TEXT_LEFT, &selected[2]);
nk_selectable_label(ctx, "Selectable", NK_TEXT_LEFT, &selected[3]);
nk_tree_pop(ctx);
}
if (nk_tree_push(ctx, NK_TREE_NODE, "Grid", NK_MINIMIZED))
{
int i;
static int selected[16] = {1,0,0,0, 0,1,0,0, 0,0,1,0, 0,0,0,1};
nk_layout_row_static(ctx, 50, 50, 4);
for (i = 0; i < 16; ++i) {
if (nk_selectable_label(ctx, "Z", NK_TEXT_CENTERED, &selected[i])) {
int x = (i % 4), y = i / 4;
if (x > 0) selected[i - 1] ^= 1;
if (x < 3) selected[i + 1] ^= 1;
if (y > 0) selected[i - 4] ^= 1;
if (y < 3) selected[i + 4] ^= 1;
}
}
nk_tree_pop(ctx);
}
nk_tree_pop(ctx);
}
if (nk_tree_push(ctx, NK_TREE_NODE, "Combo", NK_MINIMIZED))
{
/* Combobox Widgets
* In this library comboboxes are not limited to being a popup
* list of selectable text. Instead it is a abstract concept of
* having something that is *selected* or displayed, a popup window
* which opens if something needs to be modified and the content
* of the popup which causes the *selected* or displayed value to
* change or if wanted close the combobox.
*
* While strange at first handling comboboxes in a abstract way
* solves the problem of overloaded window content. For example
* changing a color value requires 4 value modifier (slider, property,...)
* for RGBA then you need a label and ways to display the current color.
* If you want to go fancy you even add rgb and hsv ratio boxes.
* While fine for one color if you have a lot of them it because
* tedious to look at and quite wasteful in space. You could add
* a popup which modifies the color but this does not solve the
* fact that it still requires a lot of cluttered space to do.
*
* In these kind of instance abstract comboboxes are quite handy. All
* value modifiers are hidden inside the combobox popup and only
* the color is shown if not open. This combines the clarity of the
* popup with the ease of use of just using the space for modifiers.
*
* Other instances are for example time and especially date picker,
* which only show the currently activated time/data and hide the
* selection logic inside the combobox popup.
*/
static float chart_selection = 8.0f;
static int current_weapon = 0;
static int check_values[5];
static float position[3];
static struct nk_color combo_color = {130, 50, 50, 255};
static struct nk_colorf combo_color2 = {0.509f, 0.705f, 0.2f, 1.0f};
static size_t prog_a = 20, prog_b = 40, prog_c = 10, prog_d = 90;
static const char *weapons[] = {"Fist","Pistol","Shotgun","Plasma","BFG"};
char buffer[64];
size_t sum = 0;
/* default combobox */
nk_layout_row_static(ctx, 25, 200, 1);
current_weapon = nk_combo(ctx, weapons, NK_LEN(weapons), current_weapon, 25, nk_vec2(200,200));
/* slider color combobox */
if (nk_combo_begin_color(ctx, combo_color, nk_vec2(200,200))) {
float ratios[] = {0.15f, 0.85f};
nk_layout_row(ctx, NK_DYNAMIC, 30, 2, ratios);
nk_label(ctx, "R:", NK_TEXT_LEFT);
combo_color.r = (nk_byte)nk_slide_int(ctx, 0, combo_color.r, 255, 5);
nk_label(ctx, "G:", NK_TEXT_LEFT);
combo_color.g = (nk_byte)nk_slide_int(ctx, 0, combo_color.g, 255, 5);
nk_label(ctx, "B:", NK_TEXT_LEFT);
combo_color.b = (nk_byte)nk_slide_int(ctx, 0, combo_color.b, 255, 5);
nk_label(ctx, "A:", NK_TEXT_LEFT);
combo_color.a = (nk_byte)nk_slide_int(ctx, 0, combo_color.a , 255, 5);
nk_combo_end(ctx);
}
/* complex color combobox */
if (nk_combo_begin_color(ctx, nk_rgb_cf(combo_color2), nk_vec2(200,400))) {
enum color_mode {COL_RGB, COL_HSV};
static int col_mode = COL_RGB;
#ifndef DEMO_DO_NOT_USE_COLOR_PICKER
nk_layout_row_dynamic(ctx, 120, 1);
combo_color2 = nk_color_picker(ctx, combo_color2, NK_RGBA);
#endif
nk_layout_row_dynamic(ctx, 25, 2);
col_mode = nk_option_label(ctx, "RGB", col_mode == COL_RGB) ? COL_RGB : col_mode;
col_mode = nk_option_label(ctx, "HSV", col_mode == COL_HSV) ? COL_HSV : col_mode;
nk_layout_row_dynamic(ctx, 25, 1);
if (col_mode == COL_RGB) {
combo_color2.r = nk_propertyf(ctx, "#R:", 0, combo_color2.r, 1.0f, 0.01f,0.005f);
combo_color2.g = nk_propertyf(ctx, "#G:", 0, combo_color2.g, 1.0f, 0.01f,0.005f);
combo_color2.b = nk_propertyf(ctx, "#B:", 0, combo_color2.b, 1.0f, 0.01f,0.005f);
combo_color2.a = nk_propertyf(ctx, "#A:", 0, combo_color2.a, 1.0f, 0.01f,0.005f);
} else {
float hsva[4];
nk_colorf_hsva_fv(hsva, combo_color2);
hsva[0] = nk_propertyf(ctx, "#H:", 0, hsva[0], 1.0f, 0.01f,0.05f);
hsva[1] = nk_propertyf(ctx, "#S:", 0, hsva[1], 1.0f, 0.01f,0.05f);
hsva[2] = nk_propertyf(ctx, "#V:", 0, hsva[2], 1.0f, 0.01f,0.05f);
hsva[3] = nk_propertyf(ctx, "#A:", 0, hsva[3], 1.0f, 0.01f,0.05f);
combo_color2 = nk_hsva_colorfv(hsva);
}
nk_combo_end(ctx);
}
/* progressbar combobox */
sum = prog_a + prog_b + prog_c + prog_d;
sprintf(buffer, "%lu", sum);
if (nk_combo_begin_label(ctx, buffer, nk_vec2(200,200))) {
nk_layout_row_dynamic(ctx, 30, 1);
nk_progress(ctx, &prog_a, 100, NK_MODIFIABLE);
nk_progress(ctx, &prog_b, 100, NK_MODIFIABLE);
nk_progress(ctx, &prog_c, 100, NK_MODIFIABLE);
nk_progress(ctx, &prog_d, 100, NK_MODIFIABLE);
nk_combo_end(ctx);
}
/* checkbox combobox */
sum = (size_t)(check_values[0] + check_values[1] + check_values[2] + check_values[3] + check_values[4]);
sprintf(buffer, "%lu", sum);
if (nk_combo_begin_label(ctx, buffer, nk_vec2(200,200))) {
nk_layout_row_dynamic(ctx, 30, 1);
nk_checkbox_label(ctx, weapons[0], &check_values[0]);
nk_checkbox_label(ctx, weapons[1], &check_values[1]);
nk_checkbox_label(ctx, weapons[2], &check_values[2]);
nk_checkbox_label(ctx, weapons[3], &check_values[3]);
nk_combo_end(ctx);
}
/* complex text combobox */
sprintf(buffer, "%.2f, %.2f, %.2f", position[0], position[1],position[2]);
if (nk_combo_begin_label(ctx, buffer, nk_vec2(200,200))) {
nk_layout_row_dynamic(ctx, 25, 1);
nk_property_float(ctx, "#X:", -1024.0f, &position[0], 1024.0f, 1,0.5f);
nk_property_float(ctx, "#Y:", -1024.0f, &position[1], 1024.0f, 1,0.5f);
nk_property_float(ctx, "#Z:", -1024.0f, &position[2], 1024.0f, 1,0.5f);
nk_combo_end(ctx);
}
/* chart combobox */
sprintf(buffer, "%.1f", chart_selection);
if (nk_combo_begin_label(ctx, buffer, nk_vec2(200,250))) {
size_t i = 0;
static const float values[]={26.0f,13.0f,30.0f,15.0f,25.0f,10.0f,20.0f,40.0f, 12.0f, 8.0f, 22.0f, 28.0f, 5.0f};
nk_layout_row_dynamic(ctx, 150, 1);
nk_chart_begin(ctx, NK_CHART_COLUMN, NK_LEN(values), 0, 50);
for (i = 0; i < NK_LEN(values); ++i) {
nk_flags res = nk_chart_push(ctx, values[i]);
if (res & NK_CHART_CLICKED) {
chart_selection = values[i];
nk_combo_close(ctx);
}
}
nk_chart_end(ctx);
nk_combo_end(ctx);
}
{
static int time_selected = 0;
static int date_selected = 0;
static struct tm sel_time;
static struct tm sel_date;
if (!time_selected || !date_selected) {
/* keep time and date updated if nothing is selected */
time_t cur_time = time(0);
struct tm *n = localtime(&cur_time);
if (!time_selected)
memcpy(&sel_time, n, sizeof(struct tm));
if (!date_selected)
memcpy(&sel_date, n, sizeof(struct tm));
}
/* time combobox */
sprintf(buffer, "%02d:%02d:%02d", sel_time.tm_hour, sel_time.tm_min, sel_time.tm_sec);
if (nk_combo_begin_label(ctx, buffer, nk_vec2(200,250))) {
time_selected = 1;
nk_layout_row_dynamic(ctx, 25, 1);
sel_time.tm_sec = nk_propertyi(ctx, "#S:", 0, sel_time.tm_sec, 60, 1, 1);
sel_time.tm_min = nk_propertyi(ctx, "#M:", 0, sel_time.tm_min, 60, 1, 1);
sel_time.tm_hour = nk_propertyi(ctx, "#H:", 0, sel_time.tm_hour, 23, 1, 1);
nk_combo_end(ctx);
}
/* date combobox */
sprintf(buffer, "%02d-%02d-%02d", sel_date.tm_mday, sel_date.tm_mon+1, sel_date.tm_year+1900);
if (nk_combo_begin_label(ctx, buffer, nk_vec2(350,400)))
{
int i = 0;
const char *month[] = {"January", "February", "March",
"April", "May", "June", "July", "August", "September",
"October", "November", "December"};
const char *week_days[] = {"SUN", "MON", "TUE", "WED", "THU", "FRI", "SAT"};
const int month_days[] = {31,28,31,30,31,30,31,31,30,31,30,31};
int year = sel_date.tm_year+1900;
int leap_year = (!(year % 4) && ((year % 100))) || !(year % 400);
int days = (sel_date.tm_mon == 1) ?
month_days[sel_date.tm_mon] + leap_year:
month_days[sel_date.tm_mon];
/* header with month and year */
date_selected = 1;
nk_layout_row_begin(ctx, NK_DYNAMIC, 20, 3);
nk_layout_row_push(ctx, 0.05f);
if (nk_button_symbol(ctx, NK_SYMBOL_TRIANGLE_LEFT)) {
if (sel_date.tm_mon == 0) {
sel_date.tm_mon = 11;
sel_date.tm_year = NK_MAX(0, sel_date.tm_year-1);
} else sel_date.tm_mon--;
}
nk_layout_row_push(ctx, 0.9f);
sprintf(buffer, "%s %d", month[sel_date.tm_mon], year);
nk_label(ctx, buffer, NK_TEXT_CENTERED);
nk_layout_row_push(ctx, 0.05f);
if (nk_button_symbol(ctx, NK_SYMBOL_TRIANGLE_RIGHT)) {
if (sel_date.tm_mon == 11) {
sel_date.tm_mon = 0;
sel_date.tm_year++;
} else sel_date.tm_mon++;
}
nk_layout_row_end(ctx);
/* good old week day formula (double because precision) */
{int year_n = (sel_date.tm_mon < 2) ? year-1: year;
int y = year_n % 100;
int c = year_n / 100;
int y4 = (int)((float)y / 4);
int c4 = (int)((float)c / 4);
int m = (int)(2.6 * (double)(((sel_date.tm_mon + 10) % 12) + 1) - 0.2);
int week_day = (((1 + m + y + y4 + c4 - 2 * c) % 7) + 7) % 7;
/* weekdays */
nk_layout_row_dynamic(ctx, 35, 7);
for (i = 0; i < (int)NK_LEN(week_days); ++i)
nk_label(ctx, week_days[i], NK_TEXT_CENTERED);
/* days */
if (week_day > 0) nk_spacing(ctx, week_day);
for (i = 1; i <= days; ++i) {
sprintf(buffer, "%d", i);
if (nk_button_label(ctx, buffer)) {
sel_date.tm_mday = i;
nk_combo_close(ctx);
}
}}
nk_combo_end(ctx);
}
}
nk_tree_pop(ctx);
}
if (nk_tree_push(ctx, NK_TREE_NODE, "Input", NK_MINIMIZED))
{
static const float ratio[] = {120, 150};
static char field_buffer[64];
static char text[9][64];
static int text_len[9];
static char box_buffer[512];
static int field_len;
static int box_len;
nk_flags active;
nk_layout_row(ctx, NK_STATIC, 25, 2, ratio);
nk_label(ctx, "Default:", NK_TEXT_LEFT);
nk_edit_string(ctx, NK_EDIT_SIMPLE, text[0], &text_len[0], 64, nk_filter_default);
nk_label(ctx, "Int:", NK_TEXT_LEFT);
nk_edit_string(ctx, NK_EDIT_SIMPLE, text[1], &text_len[1], 64, nk_filter_decimal);
nk_label(ctx, "Float:", NK_TEXT_LEFT);
nk_edit_string(ctx, NK_EDIT_SIMPLE, text[2], &text_len[2], 64, nk_filter_float);
nk_label(ctx, "Hex:", NK_TEXT_LEFT);
nk_edit_string(ctx, NK_EDIT_SIMPLE, text[4], &text_len[4], 64, nk_filter_hex);
nk_label(ctx, "Octal:", NK_TEXT_LEFT);
nk_edit_string(ctx, NK_EDIT_SIMPLE, text[5], &text_len[5], 64, nk_filter_oct);
nk_label(ctx, "Binary:", NK_TEXT_LEFT);
nk_edit_string(ctx, NK_EDIT_SIMPLE, text[6], &text_len[6], 64, nk_filter_binary);
nk_label(ctx, "Password:", NK_TEXT_LEFT);
{
int i = 0;
int old_len = text_len[8];
char buffer[64];
for (i = 0; i < text_len[8]; ++i) buffer[i] = '*';
nk_edit_string(ctx, NK_EDIT_FIELD, buffer, &text_len[8], 64, nk_filter_default);
if (old_len < text_len[8])
memcpy(&text[8][old_len], &buffer[old_len], (nk_size)(text_len[8] - old_len));
}
nk_label(ctx, "Field:", NK_TEXT_LEFT);
nk_edit_string(ctx, NK_EDIT_FIELD, field_buffer, &field_len, 64, nk_filter_default);
nk_label(ctx, "Box:", NK_TEXT_LEFT);
nk_layout_row_static(ctx, 180, 278, 1);
nk_edit_string(ctx, NK_EDIT_BOX, box_buffer, &box_len, 512, nk_filter_default);
nk_layout_row(ctx, NK_STATIC, 25, 2, ratio);
active = nk_edit_string(ctx, NK_EDIT_FIELD|NK_EDIT_SIG_ENTER, text[7], &text_len[7], 64, nk_filter_ascii);
if (nk_button_label(ctx, "Submit") ||
(active & NK_EDIT_COMMITED))
{
text[7][text_len[7]] = '\n';
text_len[7]++;
memcpy(&box_buffer[box_len], &text[7], (nk_size)text_len[7]);
box_len += text_len[7];
text_len[7] = 0;
}
nk_tree_pop(ctx);
}
nk_tree_pop(ctx);
}
if (nk_tree_push(ctx, NK_TREE_TAB, "Chart", NK_MINIMIZED))
{
/* Chart Widgets
* This library has two different rather simple charts. The line and the
* column chart. Both provide a simple way of visualizing values and
* have a retained mode and immediate mode API version. For the retain
* mode version `nk_plot` and `nk_plot_function` you either provide
* an array or a callback to call to handle drawing the graph.
* For the immediate mode version you start by calling `nk_chart_begin`
* and need to provide min and max values for scaling on the Y-axis.
* and then call `nk_chart_push` to push values into the chart.
* Finally `nk_chart_end` needs to be called to end the process. */
float id = 0;
static int col_index = -1;
static int line_index = -1;
float step = (2*3.141592654f) / 32;
int i;
int index = -1;
struct nk_rect bounds;
/* line chart */
id = 0;
index = -1;
nk_layout_row_dynamic(ctx, 100, 1);
bounds = nk_widget_bounds(ctx);
if (nk_chart_begin(ctx, NK_CHART_LINES, 32, -1.0f, 1.0f)) {
for (i = 0; i < 32; ++i) {
nk_flags res = nk_chart_push(ctx, (float)cos(id));
if (res & NK_CHART_HOVERING)
index = (int)i;
if (res & NK_CHART_CLICKED)
line_index = (int)i;
id += step;
}
nk_chart_end(ctx);
}
if (index != -1)
nk_tooltipf(ctx, "Value: %.2f", (float)cos((float)index*step));
if (line_index != -1) {
nk_layout_row_dynamic(ctx, 20, 1);
nk_labelf(ctx, NK_TEXT_LEFT, "Selected value: %.2f", (float)cos((float)index*step));
}
/* column chart */
nk_layout_row_dynamic(ctx, 100, 1);
bounds = nk_widget_bounds(ctx);
if (nk_chart_begin(ctx, NK_CHART_COLUMN, 32, 0.0f, 1.0f)) {
for (i = 0; i < 32; ++i) {
nk_flags res = nk_chart_push(ctx, (float)fabs(sin(id)));
if (res & NK_CHART_HOVERING)
index = (int)i;
if (res & NK_CHART_CLICKED)
col_index = (int)i;
id += step;
}
nk_chart_end(ctx);
}
if (index != -1)
nk_tooltipf(ctx, "Value: %.2f", (float)fabs(sin(step * (float)index)));
if (col_index != -1) {
nk_layout_row_dynamic(ctx, 20, 1);
nk_labelf(ctx, NK_TEXT_LEFT, "Selected value: %.2f", (float)fabs(sin(step * (float)col_index)));
}
/* mixed chart */
nk_layout_row_dynamic(ctx, 100, 1);
bounds = nk_widget_bounds(ctx);
if (nk_chart_begin(ctx, NK_CHART_COLUMN, 32, 0.0f, 1.0f)) {
nk_chart_add_slot(ctx, NK_CHART_LINES, 32, -1.0f, 1.0f);
nk_chart_add_slot(ctx, NK_CHART_LINES, 32, -1.0f, 1.0f);
for (id = 0, i = 0; i < 32; ++i) {
nk_chart_push_slot(ctx, (float)fabs(sin(id)), 0);
nk_chart_push_slot(ctx, (float)cos(id), 1);
nk_chart_push_slot(ctx, (float)sin(id), 2);
id += step;
}
}
nk_chart_end(ctx);
/* mixed colored chart */
nk_layout_row_dynamic(ctx, 100, 1);
bounds = nk_widget_bounds(ctx);
if (nk_chart_begin_colored(ctx, NK_CHART_LINES, nk_rgb(255,0,0), nk_rgb(150,0,0), 32, 0.0f, 1.0f)) {
nk_chart_add_slot_colored(ctx, NK_CHART_LINES, nk_rgb(0,0,255), nk_rgb(0,0,150),32, -1.0f, 1.0f);
nk_chart_add_slot_colored(ctx, NK_CHART_LINES, nk_rgb(0,255,0), nk_rgb(0,150,0), 32, -1.0f, 1.0f);
for (id = 0, i = 0; i < 32; ++i) {
nk_chart_push_slot(ctx, (float)fabs(sin(id)), 0);
nk_chart_push_slot(ctx, (float)cos(id), 1);
nk_chart_push_slot(ctx, (float)sin(id), 2);
id += step;
}
}
nk_chart_end(ctx);
nk_tree_pop(ctx);
}
if (nk_tree_push(ctx, NK_TREE_TAB, "Popup", NK_MINIMIZED))
{
static struct nk_color color = {255,0,0, 255};
static int select[4];
static int popup_active;
const struct nk_input *in = &ctx->input;
struct nk_rect bounds;
/* menu contextual */
nk_layout_row_static(ctx, 30, 160, 1);
bounds = nk_widget_bounds(ctx);
nk_label(ctx, "Right click me for menu", NK_TEXT_LEFT);
if (nk_contextual_begin(ctx, 0, nk_vec2(100, 300), bounds)) {
static size_t prog = 40;
static int slider = 10;
nk_layout_row_dynamic(ctx, 25, 1);
nk_checkbox_label(ctx, "Menu", &show_menu);
nk_progress(ctx, &prog, 100, NK_MODIFIABLE);
nk_slider_int(ctx, 0, &slider, 16, 1);
if (nk_contextual_item_label(ctx, "About", NK_TEXT_CENTERED))
show_app_about = nk_true;
nk_selectable_label(ctx, select[0]?"Unselect":"Select", NK_TEXT_LEFT, &select[0]);
nk_selectable_label(ctx, select[1]?"Unselect":"Select", NK_TEXT_LEFT, &select[1]);
nk_selectable_label(ctx, select[2]?"Unselect":"Select", NK_TEXT_LEFT, &select[2]);
nk_selectable_label(ctx, select[3]?"Unselect":"Select", NK_TEXT_LEFT, &select[3]);
nk_contextual_end(ctx);
}
/* color contextual */
nk_layout_row_begin(ctx, NK_STATIC, 30, 2);
nk_layout_row_push(ctx, 100);
nk_label(ctx, "Right Click here:", NK_TEXT_LEFT);
nk_layout_row_push(ctx, 50);
bounds = nk_widget_bounds(ctx);
nk_button_color(ctx, color);
nk_layout_row_end(ctx);
if (nk_contextual_begin(ctx, 0, nk_vec2(350, 60), bounds)) {
nk_layout_row_dynamic(ctx, 30, 4);
color.r = (nk_byte)nk_propertyi(ctx, "#r", 0, color.r, 255, 1, 1);
color.g = (nk_byte)nk_propertyi(ctx, "#g", 0, color.g, 255, 1, 1);
color.b = (nk_byte)nk_propertyi(ctx, "#b", 0, color.b, 255, 1, 1);
color.a = (nk_byte)nk_propertyi(ctx, "#a", 0, color.a, 255, 1, 1);
nk_contextual_end(ctx);
}
/* popup */
nk_layout_row_begin(ctx, NK_STATIC, 30, 2);
nk_layout_row_push(ctx, 100);
nk_label(ctx, "Popup:", NK_TEXT_LEFT);
nk_layout_row_push(ctx, 50);
if (nk_button_label(ctx, "Popup"))
popup_active = 1;
nk_layout_row_end(ctx);
if (popup_active)
{
static struct nk_rect s = {20, 100, 220, 90};
if (nk_popup_begin(ctx, NK_POPUP_STATIC, "Error", 0, s))
{
nk_layout_row_dynamic(ctx, 25, 1);
nk_label(ctx, "A terrible error as occured", NK_TEXT_LEFT);
nk_layout_row_dynamic(ctx, 25, 2);
if (nk_button_label(ctx, "OK")) {
popup_active = 0;
nk_popup_close(ctx);
}
if (nk_button_label(ctx, "Cancel")) {
popup_active = 0;
nk_popup_close(ctx);
}
nk_popup_end(ctx);
} else popup_active = nk_false;
}
/* tooltip */
nk_layout_row_static(ctx, 30, 150, 1);
bounds = nk_widget_bounds(ctx);
nk_label(ctx, "Hover me for tooltip", NK_TEXT_LEFT);
if (nk_input_is_mouse_hovering_rect(in, bounds))
nk_tooltip(ctx, "This is a tooltip");
nk_tree_pop(ctx);
}
if (nk_tree_push(ctx, NK_TREE_TAB, "Layout", NK_MINIMIZED))
{
if (nk_tree_push(ctx, NK_TREE_NODE, "Widget", NK_MINIMIZED))
{
float ratio_two[] = {0.2f, 0.6f, 0.2f};
float width_two[] = {100, 200, 50};
nk_layout_row_dynamic(ctx, 30, 1);
nk_label(ctx, "Dynamic fixed column layout with generated position and size:", NK_TEXT_LEFT);
nk_layout_row_dynamic(ctx, 30, 3);
nk_button_label(ctx, "button");
nk_button_label(ctx, "button");
nk_button_label(ctx, "button");
nk_layout_row_dynamic(ctx, 30, 1);
nk_label(ctx, "static fixed column layout with generated position and size:", NK_TEXT_LEFT);
nk_layout_row_static(ctx, 30, 100, 3);
nk_button_label(ctx, "button");
nk_button_label(ctx, "button");
nk_button_label(ctx, "button");
nk_layout_row_dynamic(ctx, 30, 1);
nk_label(ctx, "Dynamic array-based custom column layout with generated position and custom size:",NK_TEXT_LEFT);
nk_layout_row(ctx, NK_DYNAMIC, 30, 3, ratio_two);
nk_button_label(ctx, "button");
nk_button_label(ctx, "button");
nk_button_label(ctx, "button");
nk_layout_row_dynamic(ctx, 30, 1);
nk_label(ctx, "Static array-based custom column layout with generated position and custom size:",NK_TEXT_LEFT );
nk_layout_row(ctx, NK_STATIC, 30, 3, width_two);
nk_button_label(ctx, "button");
nk_button_label(ctx, "button");
nk_button_label(ctx, "button");
nk_layout_row_dynamic(ctx, 30, 1);
nk_label(ctx, "Dynamic immediate mode custom column layout with generated position and custom size:",NK_TEXT_LEFT);
nk_layout_row_begin(ctx, NK_DYNAMIC, 30, 3);
nk_layout_row_push(ctx, 0.2f);
nk_button_label(ctx, "button");
nk_layout_row_push(ctx, 0.6f);
nk_button_label(ctx, "button");
nk_layout_row_push(ctx, 0.2f);
nk_button_label(ctx, "button");
nk_layout_row_end(ctx);
nk_layout_row_dynamic(ctx, 30, 1);
nk_label(ctx, "Static immediate mode custom column layout with generated position and custom size:", NK_TEXT_LEFT);
nk_layout_row_begin(ctx, NK_STATIC, 30, 3);
nk_layout_row_push(ctx, 100);
nk_button_label(ctx, "button");
nk_layout_row_push(ctx, 200);
nk_button_label(ctx, "button");
nk_layout_row_push(ctx, 50);
nk_button_label(ctx, "button");
nk_layout_row_end(ctx);
nk_layout_row_dynamic(ctx, 30, 1);
nk_label(ctx, "Static free space with custom position and custom size:", NK_TEXT_LEFT);
nk_layout_space_begin(ctx, NK_STATIC, 60, 4);
nk_layout_space_push(ctx, nk_rect(100, 0, 100, 30));
nk_button_label(ctx, "button");
nk_layout_space_push(ctx, nk_rect(0, 15, 100, 30));
nk_button_label(ctx, "button");
nk_layout_space_push(ctx, nk_rect(200, 15, 100, 30));
nk_button_label(ctx, "button");
nk_layout_space_push(ctx, nk_rect(100, 30, 100, 30));
nk_button_label(ctx, "button");
nk_layout_space_end(ctx);
nk_layout_row_dynamic(ctx, 30, 1);
nk_label(ctx, "Row template:", NK_TEXT_LEFT);
nk_layout_row_template_begin(ctx, 30);
nk_layout_row_template_push_dynamic(ctx);
nk_layout_row_template_push_variable(ctx, 80);
nk_layout_row_template_push_static(ctx, 80);
nk_layout_row_template_end(ctx);
nk_button_label(ctx, "button");
nk_button_label(ctx, "button");
nk_button_label(ctx, "button");
nk_tree_pop(ctx);
}
if (nk_tree_push(ctx, NK_TREE_NODE, "Group", NK_MINIMIZED))
{
static int group_titlebar = nk_false;
static int group_border = nk_true;
static int group_no_scrollbar = nk_false;
static int group_width = 320;
static int group_height = 200;
nk_flags group_flags = 0;
if (group_border) group_flags |= NK_WINDOW_BORDER;
if (group_no_scrollbar) group_flags |= NK_WINDOW_NO_SCROLLBAR;
if (group_titlebar) group_flags |= NK_WINDOW_TITLE;
nk_layout_row_dynamic(ctx, 30, 3);
nk_checkbox_label(ctx, "Titlebar", &group_titlebar);
nk_checkbox_label(ctx, "Border", &group_border);
nk_checkbox_label(ctx, "No Scrollbar", &group_no_scrollbar);
nk_layout_row_begin(ctx, NK_STATIC, 22, 3);
nk_layout_row_push(ctx, 50);
nk_label(ctx, "size:", NK_TEXT_LEFT);
nk_layout_row_push(ctx, 130);
nk_property_int(ctx, "#Width:", 100, &group_width, 500, 10, 1);
nk_layout_row_push(ctx, 130);
nk_property_int(ctx, "#Height:", 100, &group_height, 500, 10, 1);
nk_layout_row_end(ctx);
nk_layout_row_static(ctx, (float)group_height, group_width, 2);
if (nk_group_begin(ctx, "Group", group_flags)) {
int i = 0;
static int selected[16];
nk_layout_row_static(ctx, 18, 100, 1);
for (i = 0; i < 16; ++i)
nk_selectable_label(ctx, (selected[i]) ? "Selected": "Unselected", NK_TEXT_CENTERED, &selected[i]);
nk_group_end(ctx);
}
nk_tree_pop(ctx);
}
if (nk_tree_push(ctx, NK_TREE_NODE, "Tree", NK_MINIMIZED))
{
static int root_selected = 0;
int sel = root_selected;
if (nk_tree_element_push(ctx, NK_TREE_NODE, "Root", NK_MINIMIZED, &sel)) {
static int selected[8];
int i = 0, node_select = selected[0];
if (sel != root_selected) {
root_selected = sel;
for (i = 0; i < 8; ++i)
selected[i] = sel;
}
if (nk_tree_element_push(ctx, NK_TREE_NODE, "Node", NK_MINIMIZED, &node_select)) {
int j = 0;
static int sel_nodes[4];
if (node_select != selected[0]) {
selected[0] = node_select;
for (i = 0; i < 4; ++i)
sel_nodes[i] = node_select;
}
nk_layout_row_static(ctx, 18, 100, 1);
for (j = 0; j < 4; ++j)
nk_selectable_symbol_label(ctx, NK_SYMBOL_CIRCLE_SOLID, (sel_nodes[j]) ? "Selected": "Unselected", NK_TEXT_RIGHT, &sel_nodes[j]);
nk_tree_element_pop(ctx);
}
nk_layout_row_static(ctx, 18, 100, 1);
for (i = 1; i < 8; ++i)
nk_selectable_symbol_label(ctx, NK_SYMBOL_CIRCLE_SOLID, (selected[i]) ? "Selected": "Unselected", NK_TEXT_RIGHT, &selected[i]);
nk_tree_element_pop(ctx);
}
nk_tree_pop(ctx);
}
if (nk_tree_push(ctx, NK_TREE_NODE, "Notebook", NK_MINIMIZED))
{
static int current_tab = 0;
struct nk_rect bounds;
float step = (2*3.141592654f) / 32;
enum chart_type {CHART_LINE, CHART_HISTO, CHART_MIXED};
const char *names[] = {"Lines", "Columns", "Mixed"};
float id = 0;
int i;
/* Header */
nk_style_push_vec2(ctx, &ctx->style.window.spacing, nk_vec2(0,0));
nk_style_push_float(ctx, &ctx->style.button.rounding, 0);
nk_layout_row_begin(ctx, NK_STATIC, 20, 3);
for (i = 0; i < 3; ++i) {
/* make sure button perfectly fits text */
const struct nk_user_font *f = ctx->style.font;
float text_width = f->width(f->userdata, f->height, names[i], nk_strlen(names[i]));
float widget_width = text_width + 3 * ctx->style.button.padding.x;
nk_layout_row_push(ctx, widget_width);
if (current_tab == i) {
/* active tab gets highlighted */
struct nk_style_item button_color = ctx->style.button.normal;
ctx->style.button.normal = ctx->style.button.active;
current_tab = nk_button_label(ctx, names[i]) ? i: current_tab;
ctx->style.button.normal = button_color;
} else current_tab = nk_button_label(ctx, names[i]) ? i: current_tab;
}
nk_style_pop_float(ctx);
/* Body */
nk_layout_row_dynamic(ctx, 140, 1);
if (nk_group_begin(ctx, "Notebook", NK_WINDOW_BORDER))
{
nk_style_pop_vec2(ctx);
switch (current_tab) {
default: break;
case CHART_LINE:
nk_layout_row_dynamic(ctx, 100, 1);
bounds = nk_widget_bounds(ctx);
if (nk_chart_begin_colored(ctx, NK_CHART_LINES, nk_rgb(255,0,0), nk_rgb(150,0,0), 32, 0.0f, 1.0f)) {
nk_chart_add_slot_colored(ctx, NK_CHART_LINES, nk_rgb(0,0,255), nk_rgb(0,0,150),32, -1.0f, 1.0f);
for (i = 0, id = 0; i < 32; ++i) {
nk_chart_push_slot(ctx, (float)fabs(sin(id)), 0);
nk_chart_push_slot(ctx, (float)cos(id), 1);
id += step;
}
}
nk_chart_end(ctx);
break;
case CHART_HISTO:
nk_layout_row_dynamic(ctx, 100, 1);
bounds = nk_widget_bounds(ctx);
if (nk_chart_begin_colored(ctx, NK_CHART_COLUMN, nk_rgb(255,0,0), nk_rgb(150,0,0), 32, 0.0f, 1.0f)) {
for (i = 0, id = 0; i < 32; ++i) {