unravel::ui_system Class Reference

System responsible for managing user interface components and rendering. More...

#include <ui_system.h>

Public Member Functions
auto	init (rtti::context &ctx) -> bool
	Initializes the UI system with the given context.
auto	deinit (rtti::context &ctx) -> bool
	Deinitializes the UI system with the given context.
void	on_frame_update (rtti::context &ctx, delta_t dt)
	Update UI system (called every frame)
void	on_frame_render (const gfx::frame_buffer::ptr &output, delta_t dt)
	Render UI (called every frame after update)
auto	get_context () -> Rml::Context *
	Get the main RmlUi context.
void	on_os_event (rtti::context &ctx, os::event &event)
	Handle OS events and forward to RmlUi.
void	load_fonts ()
	Load fonts.
void	register_component_callbacks (rtti::context &ctx)
	Register component creation/destruction callbacks with ECS.

Static Public Member Functions
static void	on_create_component (entt::registry &r, entt::entity e)
static void	on_destroy_component (entt::registry &r, entt::entity e)

Detailed Description

System responsible for managing user interface components and rendering.

This system integrates RmlUi for HTML/CSS-based user interfaces with the engine's rendering and input systems. It provides a high-level API for loading and managing UI documents.

Definition at line 33 of file ui_system.h.

Member Function Documentation

deinit()

auto unravel::ui_system::deinit

(

rtti::context &

ctx

)

-> bool

Deinitializes the UI system with the given context.

Parameters

ctx	The context to deinitialize.

Returns

True if deinitialization was successful, false otherwise.

Definition at line 100 of file ui_system.cpp.

get_context()

auto unravel::ui_system::get_context

(

)

-> Rml::Context*

Get the main RmlUi context.

Returns

Pointer to RmlUi context, or nullptr if not initialized

Definition at line 174 of file ui_system.cpp.

init()

auto unravel::ui_system::init

(

rtti::context &

ctx

)

-> bool

Initializes the UI system with the given context.

Parameters

ctx	The context to initialize with.

Returns

True if initialization was successful, false otherwise.

Definition at line 42 of file ui_system.cpp.

load_fonts()

void unravel::ui_system::load_fonts

(

)

Load fonts.

Definition at line 271 of file ui_system.cpp.

on_create_component()

void unravel::ui_system::on_create_component ( entt::registry & r, entt::entity e )

static

Definition at line 307 of file ui_system.cpp.

on_destroy_component()

void unravel::ui_system::on_destroy_component ( entt::registry & r, entt::entity e )

static

Definition at line 311 of file ui_system.cpp.

on_frame_render()

void unravel::ui_system::on_frame_render	(	const gfx::frame_buffer::ptr &	output,
		delta_t	dt )

Render UI (called every frame after update)

Parameters

output	Output frame buffer
dt	Delta time since last frame

Definition at line 155 of file ui_system.cpp.

on_frame_update()

void unravel::ui_system::on_frame_update	(	rtti::context &	ctx,
		delta_t	dt )

Update UI system (called every frame)

Parameters

ctx	Engine context
dt	Delta time since last frame

Definition at line 139 of file ui_system.cpp.

on_os_event()

void unravel::ui_system::on_os_event	(	rtti::context &	ctx,
		os::event &	event )

Handle OS events and forward to RmlUi.

Parameters

ctx	Engine context
event	OS event to process

Definition at line 180 of file ui_system.cpp.

register_component_callbacks()

void unravel::ui_system::register_component_callbacks

(

rtti::context &

ctx

)

Register component creation/destruction callbacks with ECS.

Parameters

ctx	Engine context

Definition at line 321 of file ui_system.cpp.

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The documentation for this class was generated from the following files:

• C:/Workspace/github/UnravelEngine/UnravelEngine/engine/engine/ui/ecs/systems/ui_system.h
• C:/Workspace/github/UnravelEngine/UnravelEngine/engine/engine/ui/ecs/systems/ui_system.cpp