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1018#ifndef NK_CONSOLE_H__
#define NK_CONSOLE_H__
#if defined(__cplusplus)
extern "C" {
#endif
struct nk_console;
struct nk_console_event_handler;
/**
* The type of events that can be triggered.
*
* @see nk_console_add_event()
*/
typedef enum {
NK_CONSOLE_EVENT_DESTROYED, /** Triggered when the widget is destroyed. */
NK_CONSOLE_EVENT_CHANGED, /** Triggered when the value for the widget is changed. */
NK_CONSOLE_EVENT_CLICKED, /** Triggered when the widget is clicked. */
NK_CONSOLE_EVENT_POST_RENDER_ONCE, /** Triggered after all the widgets have rendered, and the event is removed. */
} nk_console_event_type;
/**
* Event handler for a console widget.
*
* @param widget The widget that was acted upon.
* @param user_data Custom user data that is associated with the event.
*
* @see nk_console_add_event()
* @see nk_console_add_event_handler()
* @see nk_console_trigger_event()
*/
typedef void (*nk_console_event)(struct nk_console* widget, void* user_data);
typedef struct nk_console_event_handler {
nk_console_event_type type; /** The type of event this handler is for. */
nk_console_event callback; /** Invoked when this handler is triggered. */
void* user_data; /** Passed to both 'callback' and 'destructor'. */
nk_console_event destructor; /** Invoked when this handler is destroyed or overwritten. */
} nk_console_event_handler;
/**
* A callback to render the given widget.
*
* @param widget The widget that is being rendered.
*
* @return The bounds of the widget.
*/
typedef struct nk_rect (*nk_console_render_event)(struct nk_console* widget);
typedef enum {
NK_CONSOLE_UNKNOWN,
NK_CONSOLE_PARENT,
NK_CONSOLE_LABEL,
NK_CONSOLE_BUTTON,
NK_CONSOLE_CHECKBOX,
NK_CONSOLE_PROGRESS,
NK_CONSOLE_COMBOBOX,
NK_CONSOLE_PROPERTY_INT,
NK_CONSOLE_PROPERTY_FLOAT,
NK_CONSOLE_SLIDER_INT,
NK_CONSOLE_SLIDER_FLOAT,
NK_CONSOLE_ROW,
NK_CONSOLE_TEXTEDIT,
NK_CONSOLE_TEXTEDIT_TEXT,
NK_CONSOLE_FILE,
NK_CONSOLE_IMAGE,
NK_CONSOLE_SPACING,
NK_CONSOLE_COLOR,
NK_CONSOLE_INPUT,
NK_CONSOLE_INPUT_ACTIVE,
NK_CONSOLE_RADIO,
NK_CONSOLE_KNOB_INT,
NK_CONSOLE_KNOB_FLOAT,
} nk_console_widget_type;
typedef struct nk_console_message {
char text[256];
float duration;
} nk_console_message;
typedef struct nk_console {
nk_console_widget_type type;
const char* label;
int label_length;
nk_flags alignment;
nk_bool selectable; /** Whether or not the widget can be selected. */
nk_bool disabled; /** Whether or not the widget is currently disabled. */
nk_bool visible; /** When false, the widget will not be displayed. */
int columns; /** When set, will determine how many dynamic columns to set to for the active row. */
int height; /** When set, will determine the height of the row. */
const char* tooltip; /** Tooltip */
void* data; /** Widget-specific data */
struct nk_console* parent;
struct nk_context* ctx;
struct nk_console** children;
struct nk_console* activeWidget;
// Events
nk_console_event_handler* events; /** Events handled for the widget. */
nk_console_render_event render; /** Render the widget. */
} nk_console;
typedef struct nk_console_top_data {
nk_console* active_parent; /** The parent that is currently being displayed. */
nk_bool input_processed; /** Whether or not user input has been processed. */
/**
* Message queue that is to be shown.
*/
struct nk_console_message* messages;
/**
* When set, will determine where messages should appear on the screen.
*/
struct nk_rect message_bounds;
/**
* The gamepad system to use for gamepad input.
*
* @see nk_console_get_gamepads()
* @see nk_console_set_gamepads()
*/
struct nk_gamepads* gamepads;
/**
* Custom user data. This is only applied to the top-level console.
*
* @see nk_console_user_data()
* @see nk_console_set_user_data()
*/
void* user_data;
} nk_console_top_data;
// Console
NK_API nk_console* nk_console_init(struct nk_context* context);
NK_API void nk_console_free(nk_console* console);
NK_API void nk_console_render(nk_console* console);
NK_API void nk_console_render_window(nk_console* console, const char* title, struct nk_rect bounds, nk_uint flags);
// Utilities
NK_API nk_console* nk_console_get_top(nk_console* widget);
NK_API int nk_console_get_widget_index(nk_console* widget);
NK_API void nk_console_check_tooltip(nk_console* console);
NK_API void nk_console_check_up_down(nk_console* widget, struct nk_rect bounds);
NK_API nk_bool nk_console_is_active_widget(nk_console* widget);
NK_API nk_console* nk_console_active_parent(nk_console* console);
NK_API void nk_console_set_active_parent(nk_console* new_parent);
NK_API void nk_console_set_active_widget(nk_console* widget);
NK_API nk_console* nk_console_get_active_widget(nk_console* widget);
NK_API void* nk_console_malloc(nk_handle unused, void* old, nk_size size);
NK_API void nk_console_mfree(nk_handle unused, void* ptr);
NK_API nk_bool nk_console_button_pushed(nk_console* console, int button);
NK_API void nk_console_set_gamepads(nk_console* console, struct nk_gamepads* gamepads);
NK_API struct nk_gamepads* nk_console_get_gamepads(nk_console* console);
NK_API void nk_console_set_tooltip(nk_console* widget, const char* tooltip);
NK_API void nk_console_set_label(nk_console* widget, const char* label, int label_length);
NK_API const char* nk_console_get_label(nk_console* widget);
NK_API void nk_console_free_children(nk_console* console);
NK_API void nk_console_layout_widget(nk_console* widget);
NK_API void nk_console_add_child(nk_console* parent, nk_console* child);
NK_API void nk_console_set_height(nk_console* widget, int height);
NK_API int nk_console_height(nk_console* widget);
NK_API nk_bool nk_console_selectable(nk_console* widget);
NK_API nk_bool nk_console_trigger_event(nk_console* widget, nk_console_event_type type);
NK_API void nk_console_add_event(nk_console* widget, nk_console_event_type type, nk_console_event callback);
NK_API void nk_console_add_event_handler(nk_console* widget, nk_console_event_type type, nk_console_event callback, void* user_data, nk_console_event destructor);
NK_API void nk_console_event_handler_destroy(nk_console* widget, nk_console_event_handler* handler);
// Backwards compatibility
#define nk_console_onchange(widget) nk_console_trigger_event(widget, NK_CONSOLE_EVENT_CHANGED)
#define nk_console_button_set_onclick(button, onclick) nk_console_add_event(button, NK_CONSOLE_EVENT_CLICKED, onclick)
#define nk_console_button_set_onclick_handler(button, callback, user_data, destructor) nk_console_add_event_handler(button, NK_CONSOLE_EVENT_CLICKED, callback, user_data, destructor)
/**
* Get the user data for the top-level console.
*
* @param console Any widget within the console family.
*
* @return The custom user data.
*/
NK_API void* nk_console_user_data(nk_console* console);
/**
* Set the user data for the top-level console.
*
* @param console Any widget within the console family.
* @param user_data The custom user data to set.
*/
NK_API void nk_console_set_user_data(nk_console* console, void* user_data);
#if defined(__cplusplus)
}
#endif
#define NK_CONSOLE_HEADER_ONLY
#include "nuklear_console_button.h"
#include "nuklear_console_checkbox.h"
#include "nuklear_console_color.h"
#include "nuklear_console_combobox.h"
#include "nuklear_console_file.h"
#include "nuklear_console_file_system.h"
#include "nuklear_console_image.h"
#include "nuklear_console_input.h"
#include "nuklear_console_label.h"
#include "nuklear_console_message.h"
#include "nuklear_console_progress.h"
#include "nuklear_console_property.h"
#include "nuklear_console_radio.h"
#include "nuklear_console_row.h"
#include "nuklear_console_spacing.h"
#include "nuklear_console_textedit.h"
#include "nuklear_console_textedit_text.h"
#include "nuklear_console_knob.h"
#undef NK_CONSOLE_HEADER_ONLY
#if defined(__cplusplus)
#include "nuklear_console.hpp"
#endif
#endif // NK_CONSOLE_H__
#if defined(NK_CONSOLE_IMPLEMENTATION) && !defined(NK_CONSOLE_HEADER_ONLY)
#ifndef NK_CONSOLE_IMPLEMENTATION_ONCE
#define NK_CONSOLE_IMPLEMENTATION_ONCE
// NK_CONSOLE_MALLOC
#ifndef NK_CONSOLE_MALLOC
#ifdef NK_INCLUDE_DEFAULT_ALLOCATOR
#define NK_CONSOLE_MALLOC nk_malloc
#else
#error "Requires NK_CONSOLE_MALLOC, or NK_INCLUDE_DEFAULT_ALLOCATOR"
#endif
#endif
// NK_CONSOLE_FREE
#ifndef NK_CONSOLE_FREE
#ifdef NK_INCLUDE_DEFAULT_ALLOCATOR
#define NK_CONSOLE_FREE nk_mfree
#else
#error "Requires NK_CONSOLE_FREE, or NK_INCLUDE_DEFAULT_ALLOCATOR"
#endif
#endif
#ifndef cvector_clib_free
#define cvector_clib_free(ptr) nk_console_mfree(nk_handle_id(0), ptr)
#endif
#ifndef cvector_clib_malloc
#define cvector_clib_malloc(size) nk_console_malloc(nk_handle_id(0), NULL, size)
#endif
#ifndef cvector_clib_calloc
#define cvector_clib_calloc(count, size) NK_ASSERT(0 && "cvector_clib_calloc is not supported")
#endif
#ifndef cvector_clib_realloc
// TODO: Implement our own realloc() using Nuklear's allocator.
#include <stdlib.h>
#define cvector_clib_realloc(ptr, size) realloc(ptr, size)
#endif
#ifndef cvector_clib_assert
#define cvector_clib_assert(expression) NK_ASSERT(expression)
#endif
#ifndef cvector_clib_memcpy
#define cvector_clib_memcpy(dest, src, count) NK_MEMCPY(dest, src, count)
#endif
#ifndef cvector_clib_memmove
#define cvector_clib_memmove(dest, src, count) NK_ASSERT(0 && "cvector_clib_memmove is not supported")
#endif
#ifndef CVECTOR_H
#define CVECTOR_H "vendor/c-vector/cvector.h"
#endif
#include CVECTOR_H
#ifdef __cplusplus
extern "C" {
#endif
NK_API nk_bool nk_input_is_mouse_moved(const struct nk_input* input);
#include "nuklear_console_button.h"
#include "nuklear_console_checkbox.h"
#include "nuklear_console_color.h"
#include "nuklear_console_combobox.h"
#include "nuklear_console_file.h"
#include "nuklear_console_file_system.h"
#include "nuklear_console_image.h"
#include "nuklear_console_input.h"
#include "nuklear_console_label.h"
#include "nuklear_console_message.h"
#include "nuklear_console_progress.h"
#include "nuklear_console_property.h"
#include "nuklear_console_radio.h"
#include "nuklear_console_row.h"
#include "nuklear_console_spacing.h"
#include "nuklear_console_textedit.h"
#include "nuklear_console_textedit_text.h"
#include "nuklear_console_knob.h"
NK_API const char* nk_console_get_label(nk_console* widget) {
if (widget == NULL) {
return NULL;
}
return widget->label;
}
NK_API void nk_console_set_label(nk_console* widget, const char* label, int label_length) {
if (widget == NULL) {
return;
}
widget->label = label;
widget->label_length = label_length;
}
NK_API void nk_console_set_tooltip(nk_console* widget, const char* tooltip) {
if (widget == NULL) {
return;
}
widget->tooltip = tooltip;
}
NK_API void nk_console_event_handler_destroy(nk_console* widget, nk_console_event_handler* handler) {
if (handler->destructor) {
handler->destructor(widget, handler->user_data);
handler->destructor = NULL;
}
handler->callback = NULL;
}
NK_API inline void nk_console_add_event(nk_console* widget, nk_console_event_type type, nk_console_event callback) {
nk_console_add_event_handler(widget, type, callback, NULL, NULL);
}
NK_API void nk_console_add_event_handler(nk_console* widget, nk_console_event_type type, nk_console_event callback, void* user_data, nk_console_event destructor) {
if (widget == NULL) {
return;
}
// Manage the top level events.
if (type == NK_CONSOLE_EVENT_POST_RENDER_ONCE) {
nk_console_event_handler handler = (nk_console_event_handler){
.type = type,
.callback = callback,
.user_data = (void*)widget,
.destructor = destructor,
};
cvector_push_back(nk_console_get_top(widget)->events, handler);
return;
}
nk_console_event_handler handler = (nk_console_event_handler){
.type = type,
.callback = callback,
.user_data = user_data,
.destructor = destructor,
};
cvector_push_back(widget->events, handler);
}
/**
* Trigger an event for the given widget.
*
* @param widget The widget to trigger the event on.
* @param type The type of event to trigger.
*
* @return nk_true if an event was triggered, nk_false otherwise.
*/
NK_API nk_bool nk_console_trigger_event(nk_console* widget, nk_console_event_type type) {
if (widget == NULL || widget->events == NULL) {
return nk_false;
}
nk_bool invoked = nk_false;
size_t count = cvector_size(widget->events);
for (size_t i = 0; i < count; i++) {
if (widget->events[i].type == type && widget->events[i].callback) {
widget->events[i].callback(widget, widget->events[i].user_data);
invoked = nk_true;
}
}
return invoked;
}
NK_API void nk_console_set_active_widget(nk_console* widget) {
if (widget == NULL) {
return;
}
nk_console* parent = widget->parent == NULL ? widget : widget->parent;
parent->activeWidget = widget;
}
/**
* Retrieves the given widget's parent's active widget.
*/
NK_API nk_console* nk_console_get_active_widget(nk_console* widget) {
if (widget == NULL) {
return NULL;
}
nk_console* parent = widget->parent == NULL ? widget : widget->parent;
return parent->activeWidget;
}
NK_API nk_bool nk_console_is_active_widget(nk_console* widget) {
if (widget == NULL) {
return nk_false;
}
nk_console* parent = widget->parent == NULL ? widget : widget->parent;
return parent->activeWidget == widget;
}
nk_console* nk_console_active_parent(nk_console* console) {
if (console == NULL) {
return NULL;
}
nk_console* top = nk_console_get_top(console);
nk_console* active_parent = ((nk_console_top_data*)top->data)->active_parent;
return active_parent == NULL ? top : active_parent;
}
NK_API void nk_console_set_active_parent(nk_console* new_parent) {
if (new_parent == NULL) {
return;
}
nk_console* top = nk_console_get_top(new_parent);
if (top == NULL) {
return;
}
// When switching parents, bring the window scroll to the top to that the window doesn't appear empty.
nk_window_set_scroll(top->ctx, 0, 0);
nk_console_top_data* data = (nk_console_top_data*)top->data;
data->active_parent = new_parent;
}
/**
* Get the top parent from a given widget.
*/
NK_API nk_console* nk_console_get_top(nk_console* widget) {
if (widget == NULL) {
return NULL;
}
while (widget->parent != NULL) {
widget = widget->parent;
}
return widget;
}
NK_API void nk_console_set_height(nk_console* widget, int height) {
if (widget == NULL) {
return;
}
widget->height = height < 0 ? 0 : height;
}
NK_API int nk_console_height(nk_console* widget) {
if (widget == NULL) {
return 0;
}
return widget->height;
}
/**
* Get the given widget's index from it's parent's children.
*
* @return The index of the widget, or -1 on error
*/
NK_API int nk_console_get_widget_index(nk_console* widget) {
if (widget == NULL) {
return -1;
}
nk_console* parent = widget->parent;
if (parent == NULL) {
return -1;
}
int count = (int)cvector_size(parent->children);
for (int i = 0; i < count; i++) {
if (parent->children[i] == widget) {
return i;
}
}
return -1;
}
/**
* Allow the user to move up and down between widgets.
*/
NK_API void nk_console_check_up_down(nk_console* widget, struct nk_rect bounds) {
nk_console* top = nk_console_get_top(widget);
nk_console_top_data* data = (nk_console_top_data*)top->data;
// Scroll to the active widget if needed.
struct nk_rect content_region = nk_window_get_content_region(widget->ctx);
nk_uint offsetx, offsety;
nk_window_get_scroll(widget->ctx, &offsetx, &offsety);
if (bounds.y + bounds.h > content_region.y + content_region.h + (float)offsety) {
nk_window_set_scroll(widget->ctx, offsetx, (nk_uint)(bounds.y + bounds.h - content_region.y - content_region.h));
}
else if (bounds.y < content_region.y + (float)offsety) {
nk_window_set_scroll(widget->ctx, offsetx, (nk_uint)(bounds.y - content_region.y));
}
// Only process an active input once.
if (data->input_processed == nk_false) {
// Page Up
if (nk_console_button_pushed(top, NK_GAMEPAD_BUTTON_LB)) {
int widgetIndex = nk_console_get_widget_index(widget);
int count = 0;
while (--widgetIndex >= 0) {
nk_console* target = widget->parent->children[widgetIndex];
if (target != NULL && nk_console_selectable(target)) {
nk_console_set_active_widget(target);
if (++count > 4) {
break;
}
}
}
data->input_processed = nk_true;
}
// Page Down
else if (nk_console_button_pushed(top, NK_GAMEPAD_BUTTON_RB)) {
int widgetIndex = nk_console_get_widget_index(widget);
int count = 0;
while (++widgetIndex < (int)cvector_size(widget->parent->children)) {
nk_console* target = widget->parent->children[widgetIndex];
if (nk_console_selectable(target)) {
nk_console_set_active_widget(target);
if (++count > 4) {
break;
}
}
}
data->input_processed = nk_true;
}
// Up
else if (nk_console_button_pushed(top, NK_GAMEPAD_BUTTON_UP)) {
int widgetIndex = nk_console_get_widget_index(widget);
while (--widgetIndex >= 0) {
nk_console* target = widget->parent->children[widgetIndex];
if (nk_console_selectable(target)) {
nk_console_set_active_widget(target);
break;
}
}
data->input_processed = nk_true;
}
// Down
else if (nk_console_button_pushed(top, NK_GAMEPAD_BUTTON_DOWN)) {
int widgetIndex = nk_console_get_widget_index(widget);
while (++widgetIndex < (int)cvector_size(widget->parent->children)) {
nk_console* target = widget->parent->children[widgetIndex];
if (nk_console_selectable(target)) {
nk_console_set_active_widget(target);
break;
}
}
data->input_processed = nk_true;
}
// Back
else if (nk_console_button_pushed(top, NK_GAMEPAD_BUTTON_B)) {
if (nk_console_active_parent(top) == NULL) {
return;
}
if (widget->parent != NULL) {
if (widget->parent == top) {
nk_console_set_active_parent(top);
}
else if (widget->parent->parent != NULL) {
nk_console_set_active_parent(widget->parent->parent);
}
}
data->input_processed = nk_true;
}
}
}
/**
* Retrieve the first selectable widget from the given parent.
*
* @internal
*/
static nk_console* nk_console_find_first_selectable(nk_console* parent) {
if (parent == NULL || parent->children == NULL) {
return NULL;
}
// Iterate through the children to find the first selectable widget.
for (size_t i = 0; i < cvector_size(parent->children); i++) {
if (parent->children[i] != NULL) {
if (nk_console_selectable(parent->children[i])) {
return parent->children[i];
}
}
}
return NULL;
}
/**
* A function to check whether or not the mouse moved.
*/
NK_API nk_bool nk_input_is_mouse_moved(const struct nk_input* input) {
if (input == NULL) {
return nk_false;
}
return input->mouse.delta.x != 0 || input->mouse.delta.y != 0;
}
NK_API nk_bool nk_console_selectable(nk_console* widget) {
if (widget == NULL) {
return nk_false;
}
return widget->selectable && widget->visible && !widget->disabled;
}
/**
* Display a tooltip with the given text.
*
* @see nk_tooltip()
* @todo Support multiline tooltips with nk_text_calculate_text_bounds()
*/
static void nk_console_tooltip_display(struct nk_context* ctx, const char* text) {
const struct nk_style* style;
struct nk_vec2 padding;
style = &ctx->style;
padding = style->window.padding;
float text_height = (style->font->height + padding.y);
float x = ctx->input.mouse.pos.x;
float y = ctx->input.mouse.pos.y;
// Display the tooltip at the bottom of the window, manipulating the mouse position
struct nk_rect windowbounds = nk_window_get_bounds(ctx);
ctx->input.mouse.pos.x = windowbounds.x;
ctx->input.mouse.pos.y = windowbounds.y + windowbounds.h - text_height - padding.y * 2.0f;
if (nk_tooltip_begin(ctx, windowbounds.w)) {
nk_layout_row_dynamic(ctx, text_height, 1);
nk_text_wrap(ctx, text, nk_strlen(text));
nk_tooltip_end(ctx);
}
// Restore the mouse x/y positions.
ctx->input.mouse.pos.x = x;
ctx->input.mouse.pos.y = y;
}
NK_API void nk_console_check_tooltip(nk_console* console) {
if (console == NULL) {
return;
}
if (console->tooltip != NULL) {
nk_console_tooltip_display(console->ctx, console->tooltip);
}
}
/**
* Render the given console widget.
*
* @param console The console widget to display.
*/
NK_API void nk_console_render(nk_console* console) {
if (console == NULL || console->visible == nk_false) {
return;
}
// First run on this game loop
if (console->parent == NULL) {
nk_console_top_data* data = (nk_console_top_data*)console->data;
// Reset the input state.
data->input_processed = nk_false;
// Render the active message.
nk_console_render_message(console);
// Render all of the parent's children.
if (data->active_parent->children != NULL) {
// Make sure there's an active widget selected.
if (data->active_parent->activeWidget == NULL) {
nk_console_set_active_widget(nk_console_find_first_selectable(data->active_parent));
}
else {
// Make sure the widget actually exists and can be selected.
nk_bool widgetFound = nk_false;
for (size_t i = 0; i < cvector_size(data->active_parent->children); ++i) {
if (data->active_parent->children[i] == data->active_parent->activeWidget) {
// Ensure the widget is still selectable.
if (nk_console_selectable(data->active_parent->activeWidget)) {
widgetFound = nk_true;
}
break;
}
}
if (widgetFound == nk_false) {
nk_console_set_active_widget(nk_console_find_first_selectable(data->active_parent));
}
}
// Render all the children
for (size_t i = 0; i < cvector_size(data->active_parent->children); ++i) {
nk_console_render(data->active_parent->children[i]);
}
}
// Invoke the post-render events.
size_t count = cvector_size(console->events);
if (count > 0) {
nk_bool can_erase = nk_true;
for (size_t i = 0; i < count; i++) {
if (console->events[i].type == NK_CONSOLE_EVENT_POST_RENDER_ONCE) {
// Call the callback if it's set.
if (console->events[i].callback != NULL) {
console->events[i].callback((nk_console*)console->events[i].user_data, NULL);
console->events[i].callback = NULL;
}
}
else {
can_erase = nk_false;
}
}
if (can_erase) {
cvector_clear(console->events);
}
}
return;
}
// Render the widget and get its bounds.
struct nk_rect widget_bounds = console->render != NULL ? console->render(console) : nk_rect(0, 0, 0, 0);
// Allow the mouse to switch focus to the widget.
if (widget_bounds.w > 0 && widget_bounds.h > 0 && nk_input_is_mouse_moved(&console->ctx->input)) {
// Make sure we consider the active scroll position of the window.
nk_uint window_scroll_x, window_scroll_y;
nk_window_get_scroll(console->ctx, &window_scroll_x, &window_scroll_y);
widget_bounds.x -= (float)window_scroll_x;
widget_bounds.y -= (float)window_scroll_y;
nk_console* top = nk_console_get_top(console);
nk_console_top_data* data = (nk_console_top_data*)top->data;
if (data->input_processed == nk_false && nk_input_is_mouse_hovering_rect(&console->ctx->input, widget_bounds)) {
// Select the widget, if possible.
if (nk_console_selectable(console)) {
nk_console_set_active_widget(console);
data->input_processed = nk_true;
}
}
}
}
NK_API void* nk_console_malloc(nk_handle unused, void* old, nk_size size) {
NK_UNUSED(unused);
NK_UNUSED(old);
return NK_CONSOLE_MALLOC(unused, old, size);
}
NK_API void nk_console_mfree(nk_handle unused, void* ptr) {
NK_UNUSED(unused);
NK_CONSOLE_FREE(unused, ptr);
}
/**
* Initialize a new nk_console.
*
* @param context The associated Nuklear context.
*/
NK_API nk_console* nk_console_init(struct nk_context* context) {
nk_handle handle;
nk_console* console = (nk_console*)nk_console_malloc(handle, NULL, sizeof(nk_console));
nk_zero(console, sizeof(nk_console));
console->type = NK_CONSOLE_PARENT;
console->ctx = context;
console->alignment = NK_TEXT_ALIGN_CENTERED;
console->visible = nk_true;
nk_console_top_data* data = (nk_console_top_data*)nk_console_malloc(handle, NULL, sizeof(nk_console_top_data));
nk_zero(data, sizeof(nk_console_top_data));
data->active_parent = console;
console->data = data;
return console;
}
/**
* Renders the given console to a new window with the given properties.
*
* @param console The console to render.
* @param title The title of the window.
* @param bounds The bounds of the window.
* @param flags The flags to apply to the window.
*/
NK_API void nk_console_render_window(nk_console* console, const char* title, struct nk_rect bounds, nk_uint flags) {
if (console == NULL) {
return;
}
nk_begin(console->ctx, title, bounds, flags);
nk_console_render(console);
nk_end(console->ctx);
}
/**
* Free the given nk_console's data.
*/
NK_API void nk_console_free(nk_console* console) {
if (console == NULL) {
return;
}
nk_handle handle = {0};
// Clean up the events
if (console->events != NULL) {
nk_console_trigger_event(console, NK_CONSOLE_EVENT_DESTROYED);
// Destroy all event handlers.
for (size_t i = 0; i < cvector_size(console->events); ++i) {
nk_console_event_handler_destroy(console, &console->events[i]);
}
cvector_free(console->events);
console->events = NULL;
}
// Clear any component-specific data.
if (console->data != NULL) {
// Free the top data.
if (console->type == NK_CONSOLE_PARENT) {
nk_console_top_data* data = (nk_console_top_data*)console->data;
if (data->messages != NULL) {
cvector_free(data->messages);
data->messages = NULL;
}
}
nk_console_mfree(handle, console->data);
console->data = NULL;
}
// Clear all the children
nk_console_free_children(console);
nk_console_mfree(handle, console);
}
NK_API void* nk_console_user_data(nk_console* console) {
nk_console* top = nk_console_get_top(console);
if (top == NULL) {
return NULL;
}
return ((nk_console_top_data*)top->data)->user_data;
}
NK_API void nk_console_set_user_data(nk_console* console, void* user_data) {
nk_console* top = nk_console_get_top(console);
if (top == NULL) {
return;
}
nk_console_top_data* data = (nk_console_top_data*)top->data;
data->user_data = user_data;
}
NK_API void nk_console_free_children(nk_console* console) {
if (console == NULL || console->children == NULL) {
return;
}
// Since there won't be any children, make sure to unselect any active child.
console->activeWidget = NULL;
// Clear them all.
size_t count = cvector_size(console->children);
for (size_t i = 0; i < count; i++) {
nk_console_free(console->children[i]);
}
cvector_free(console->children);
console->children = NULL;
}
/**
* Set up the layout of a widget, based on the amount of columns specified.
*
* @see nk_layout_row_dynamic()
* @see nk_layout_row_push()
* @see nk_console::columns
*/
NK_API void nk_console_layout_widget(nk_console* widget) {
// If the widget has 0 columns, don't do anything.
if (widget == NULL || widget->columns <= 0) {
return;
}
// If we're rendering a row, use the parent's columns to determine the width of the widget.
if (widget->parent != NULL && widget->parent->type == NK_CONSOLE_ROW) {
// Calculate how wide the widget's column should be.
if (widget->parent->columns > 0) { // Avoid division by 0
nk_layout_row_push(widget->ctx, (float)widget->columns / (float)widget->parent->columns);
}
return;
}
// Since we're not within a row, the widget owns the whole row.
nk_layout_row_dynamic(widget->ctx, (float)widget->height, widget->columns);
}
NK_API void nk_console_set_gamepads(nk_console* console, struct nk_gamepads* gamepads) {
nk_console* top = nk_console_get_top(console);
if (top == NULL) {
return;
}
nk_console_top_data* data = (nk_console_top_data*)top->data;
if (data == NULL) {
return;
}
data->gamepads = gamepads;
}
NK_API struct nk_gamepads* nk_console_get_gamepads(nk_console* console) {
nk_console* top = nk_console_get_top(console);
if (top == NULL) {
return NULL;
}
nk_console_top_data* data = (nk_console_top_data*)top->data;
if (data == NULL) {
return NULL;
}
return data->gamepads;
}
NK_API nk_bool nk_console_button_pushed(nk_console* console, int button) {
if (console == NULL) {
return nk_false;
}
// Get the top console.
if (console->parent != NULL) {
console = nk_console_get_top(console);
}
// Gamepad
nk_console_top_data* data = (nk_console_top_data*)console->data;
if (nk_gamepad_is_button_pressed(data->gamepads, -1, (enum nk_gamepad_button)button)) {
return nk_true;
}
// Keyboard/Mouse
switch (button) {
case NK_GAMEPAD_BUTTON_UP: return nk_input_is_key_pressed(&console->ctx->input, NK_KEY_UP);
case NK_GAMEPAD_BUTTON_DOWN: return nk_input_is_key_pressed(&console->ctx->input, NK_KEY_DOWN);
case NK_GAMEPAD_BUTTON_LEFT: return nk_input_is_key_pressed(&console->ctx->input, NK_KEY_LEFT);
case NK_GAMEPAD_BUTTON_RIGHT: return nk_input_is_key_pressed(&console->ctx->input, NK_KEY_RIGHT);
case NK_GAMEPAD_BUTTON_A: return nk_input_is_key_pressed(&console->ctx->input, NK_KEY_ENTER);
case NK_GAMEPAD_BUTTON_B: return nk_input_is_key_pressed(&console->ctx->input, NK_KEY_BACKSPACE) || (nk_input_is_mouse_pressed(&console->ctx->input, NK_BUTTON_RIGHT) && nk_window_is_hovered(console->ctx));
// case NK_GAMEPAD_BUTTON_X: return nk_input_is_key_pressed(&console->ctx->input, NK_KEY_A);
// case NK_GAMEPAD_BUTTON_Y: return nk_input_is_key_pressed(&console->ctx->input, NK_KEY_S);
case NK_GAMEPAD_BUTTON_LB: return nk_input_is_key_pressed(&console->ctx->input, NK_KEY_DOWN) && nk_input_is_key_down(&console->ctx->input, NK_KEY_CTRL);
case NK_GAMEPAD_BUTTON_RB: return nk_input_is_key_pressed(&console->ctx->input, NK_KEY_UP) && nk_input_is_key_down(&console->ctx->input, NK_KEY_CTRL);
case NK_GAMEPAD_BUTTON_BACK:
return nk_input_is_key_pressed(&console->ctx->input, NK_KEY_SHIFT);
// case NK_GAMEPAD_BUTTON_START: return nk_input_is_key_pressed(&console->ctx->input, NK_KEY_UP);
}
return nk_false;
}
NK_API void nk_console_add_child(nk_console* parent, nk_console* child) {
if (parent == NULL || child == NULL) {
return;
}
child->parent = parent;
cvector_push_back(parent->children, child);
// If we added a child to a row, make sure to let the row know a new widget was added.
if (parent->type == NK_CONSOLE_ROW) {
struct nk_console_row_data* data = (struct nk_console_row_data*)parent->data;
if (data != NULL && data->widgets_added == nk_true) {
nk_console_row_end(parent);
}
}
}
#ifdef __cplusplus
}
#endif
#endif
#endif