Abstract class for layering and rendering frames. More...

#include <gui_frame_renderer.hpp>

Inheritance diagram for lxgui::gui::frame_renderer:

Classes
struct	frame_comparator

Public Member Functions
	frame_renderer ()
	Default constructor.

virtual	~frame_renderer ()=default
	Destructor.

	frame_renderer (const frame_renderer &)=delete

	frame_renderer (frame_renderer &&)=delete

frame_renderer &	operator= (const frame_renderer &)=delete

frame_renderer &	operator= (frame_renderer &&)=delete

virtual void	notify_strata_needs_redraw (strata strata_id)
	Tells this renderer that one of its region requires redraw.

virtual void	notify_rendered_frame (const utils::observer_ptr< frame > &obj, bool rendered)
	Tells this renderer that it should (or not) render another frame.

virtual void	notify_strata_changed (const utils::observer_ptr< frame > &obj, strata old_strata_id, strata new_strata_id)
	Tells this renderer that a frame has changed strata.

virtual void	notify_level_changed (const utils::observer_ptr< frame > &obj, int old_level, int new_level)
	Tells this renderer that a frame has changed level.

virtual vector2f	get_target_dimensions () const =0
	Returns the width and height of of this renderer's main render target (e.g., screen).

utils::observer_ptr< const frame >	find_topmost_frame (const std::function< bool(const frame &)> &predicate) const
	Find the top-most frame matching the provided predicate.

utils::observer_ptr< frame >	find_topmost_frame (const std::function< bool(const frame &)> &predicate)
	Find the top-most frame matching the provided predicate.

int	get_highest_level (strata strata_id) const
	Returns the highest level on the provided strata.

Protected Types
using	frame_list_type = utils::sorted_vector< frame *, frame_comparator >

using	frame_list_iterator = frame_list_type::iterator

Protected Member Functions
void	clear_strata_list_ ()

bool	has_strata_list_changed_ () const

void	reset_strata_list_changed_flag_ ()

void	render_strata_ (const strata_data &strata_obj) const

std::pair< std::size_t, std::size_t >	get_strata_range_ (strata strata_id) const

Protected Attributes
std::array< strata_data, num_strata >	strata_list_

frame_list_type	sorted_frame_list_

bool	frame_list_updated_ = false

Static Protected Attributes
static constexpr std::size_t	num_strata = magic_enum::enum_count<strata>()

Detailed Description

Abstract class for layering and rendering frames.

Definition at line 20 of file gui_frame_renderer.hpp.

Member Typedef Documentation

◆ frame_list_iterator

using lxgui::gui::frame_renderer::frame_list_iterator = frame_list_type::iterator

protected

Definition at line 106 of file gui_frame_renderer.hpp.

◆ frame_list_type

using lxgui::gui::frame_renderer::frame_list_type = utils::sorted_vector<frame*, frame_comparator>

protected

Definition at line 105 of file gui_frame_renderer.hpp.

Constructor & Destructor Documentation

◆ frame_renderer() [1/3]

lxgui::gui::frame_renderer::frame_renderer ( )

Default constructor.

Definition at line 72 of file gui_frame_renderer.cpp.

◆ ~frame_renderer()

virtual lxgui::gui::frame_renderer::~frame_renderer ( )

virtualdefault

Destructor.

◆ frame_renderer() [2/3]

lxgui::gui::frame_renderer::frame_renderer ( const frame_renderer & )

delete

◆ frame_renderer() [3/3]

lxgui::gui::frame_renderer::frame_renderer ( frame_renderer && )

delete

Member Function Documentation

◆ clear_strata_list_()

void lxgui::gui::frame_renderer::clear_strata_list_ ( )

protected

Definition at line 183 of file gui_frame_renderer.cpp.

◆ find_topmost_frame() [1/2]

utils::observer_ptr< frame > lxgui::gui::frame_renderer::find_topmost_frame ( const std::function< bool(const frame &)> & predicate )

inline

Find the top-most frame matching the provided predicate.

Parameters

predicate A function returning 'true' if the frame can be selected

Returns: The topmost frame, or nullptr if none

Definition at line 82 of file gui_frame_renderer.hpp.

◆ find_topmost_frame() [2/2]

utils::observer_ptr< const frame > lxgui::gui::frame_renderer::find_topmost_frame ( const std::function< bool(const frame &)> & predicate ) const

Find the top-most frame matching the provided predicate.

Parameters

predicate A function returning 'true' if the frame can be selected

Returns: The topmost frame, or nullptr if none

Definition at line 149 of file gui_frame_renderer.cpp.

◆ get_highest_level()

int lxgui::gui::frame_renderer::get_highest_level ( strata strata_id ) const

Returns the highest level on the provided strata.

Parameters

strata_id The strata to inspect

Returns: The highest level on the provided strata

Definition at line 161 of file gui_frame_renderer.cpp.

◆ get_strata_range_()

std::pair< std::size_t, std::size_t > lxgui::gui::frame_renderer::get_strata_range_ ( strata strata_id ) const

protected

Definition at line 125 of file gui_frame_renderer.cpp.

◆ get_target_dimensions()

virtual vector2f lxgui::gui::frame_renderer::get_target_dimensions ( ) const

pure virtual

Returns the width and height of of this renderer's main render target (e.g., screen).

Returns: The render target dimensions

Implemented in lxgui::gui::root, and lxgui::gui::scroll_frame.

◆ has_strata_list_changed_()

bool lxgui::gui::frame_renderer::has_strata_list_changed_ ( ) const

protected

Definition at line 188 of file gui_frame_renderer.cpp.

◆ notify_level_changed()

void lxgui::gui::frame_renderer::notify_level_changed	(	const utils::observer_ptr< frame > &	obj,
		int	old_level,
		int	new_level
	)

virtual

Tells this renderer that a frame has changed level.

Parameters

obj	The frame which has changed
old_level	The old frame level
new_level	The new frame level

Definition at line 132 of file gui_frame_renderer.cpp.

◆ notify_rendered_frame()

void lxgui::gui::frame_renderer::notify_rendered_frame	(	const utils::observer_ptr< frame > &	obj,
		bool	rendered
	)

virtual

Tells this renderer that it should (or not) render another frame.

Parameters

obj	The frame to render
rendered	'true' if this renderer needs to render that new object

Definition at line 82 of file gui_frame_renderer.cpp.

◆ notify_strata_changed()

void lxgui::gui::frame_renderer::notify_strata_changed	(	const utils::observer_ptr< frame > &	obj,
		strata	old_strata_id,
		strata	new_strata_id
	)

virtual

Tells this renderer that a frame has changed strata.

Parameters

obj	The frame which has changed
old_strata_id	The old frame strata
new_strata_id	The new frame strata

Definition at line 110 of file gui_frame_renderer.cpp.

◆ notify_strata_needs_redraw()

void lxgui::gui::frame_renderer::notify_strata_needs_redraw ( strata strata_id )

virtual

Tells this renderer that one of its region requires redraw.

Reimplemented in lxgui::gui::scroll_frame.

Definition at line 78 of file gui_frame_renderer.cpp.

◆ operator=() [1/2]

frame_renderer & lxgui::gui::frame_renderer::operator= ( const frame_renderer & )

delete

◆ operator=() [2/2]

frame_renderer & lxgui::gui::frame_renderer::operator= ( frame_renderer && )

delete

◆ render_strata_()

void lxgui::gui::frame_renderer::render_strata_ ( const strata_data & strata_obj ) const

protected

Definition at line 174 of file gui_frame_renderer.cpp.

◆ reset_strata_list_changed_flag_()

void lxgui::gui::frame_renderer::reset_strata_list_changed_flag_ ( )

protected

Definition at line 192 of file gui_frame_renderer.cpp.

Member Data Documentation

◆ frame_list_updated_

bool lxgui::gui::frame_renderer::frame_list_updated_ = false

protected

Definition at line 114 of file gui_frame_renderer.hpp.

◆ num_strata

constexpr std::size_t lxgui::gui::frame_renderer::num_strata = magic_enum::enum_count<strata>()

staticconstexprprotected

Definition at line 110 of file gui_frame_renderer.hpp.

◆ sorted_frame_list_

frame_list_type lxgui::gui::frame_renderer::sorted_frame_list_

protected

Definition at line 113 of file gui_frame_renderer.hpp.

◆ strata_list_

std::array<strata_data, num_strata> lxgui::gui::frame_renderer::strata_list_

protected

Definition at line 112 of file gui_frame_renderer.hpp.

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

/home/runner/work/lxgui/lxgui/include/lxgui/gui_frame_renderer.hpp
/home/runner/work/lxgui/lxgui/src/gui_frame_renderer.cpp

Classes

Public Member Functions

Protected Types

Protected Member Functions

Protected Attributes

Static Protected Attributes

Detailed Description

Member Typedef Documentation

◆ frame_list_iterator

◆ frame_list_type

Constructor & Destructor Documentation

◆ frame_renderer() [1/3]

◆ ~frame_renderer()

◆ frame_renderer() [2/3]

◆ frame_renderer() [3/3]

Member Function Documentation

◆ clear_strata_list_()

◆ find_topmost_frame() [1/2]

◆ find_topmost_frame() [2/2]

◆ get_highest_level()

◆ get_strata_range_()

◆ get_target_dimensions()

◆ has_strata_list_changed_()

◆ notify_level_changed()

◆ notify_rendered_frame()

◆ notify_strata_changed()

◆ notify_strata_needs_redraw()

◆ operator=() [1/2]

◆ operator=() [2/2]

◆ render_strata_()

◆ reset_strata_list_changed_flag_()

Member Data Documentation

◆ frame_list_updated_

◆ num_strata

◆ sorted_frame_list_

◆ strata_list_