A help browser widget. More...

#include <help_browser.hpp>

Inheritance diagram for help::help_browser:

Public Member Functions
	help_browser (const section &toplevel)

void	adjust_layout ()

void	show_topic (const std::string &topic_id)
	Display the topic with the specified identifier. More...

Public Member Functions inherited from gui::widget
const rect &	location () const

virtual void	set_location (const SDL_Rect &rect)

void	set_location (int x, int y)

void	set_width (int w)

void	set_height (int h)

void	set_measurements (int w, int h)

int	width () const

int	height () const

bool	focus (const SDL_Event *event)

void	set_focus (bool focus)

virtual void	hide (bool value=true)

bool	hidden () const

virtual void	enable (bool new_val=true)

bool	enabled () const

void	set_clip_rect (const SDL_Rect &rect)

void	queue_redraw ()
	Indicate that the widget should be redrawn. More...

void	queue_redraw (const rect &)
	Indicate that a specific region of the screen should be redrawn. More...

void	set_dirty (bool dirty=true)

bool	dirty () const

const std::string &	id () const

void	set_id (const std::string &id)

void	set_tooltip_string (const std::string &str)

virtual void	process_tooltip_string (int mousex, int mousey) override

virtual void	layout () override
	Called by draw_manager to validate layout. More...

virtual bool	expose (const rect &region) override
	Called by draw_manager when it believes a redraw is necessary. More...

virtual rect	screen_location () override
	The current draw location of the display, on the screen. More...

Public Member Functions inherited from events::sdl_handler
virtual void	handle_window_event (const SDL_Event &)

virtual bool	requires_event_focus (const SDL_Event *=nullptr) const

virtual void	join ()

virtual void	join (context &c)

virtual void	join_same (sdl_handler *parent)

virtual void	leave ()

virtual void	join_global ()

virtual void	leave_global ()

virtual bool	has_joined ()

virtual bool	has_joined_global ()

sdl_handler &	operator= (sdl_handler &&)=delete
	Moving would require two instances' context membership to be handled, it's simpler to delete these and require the two instances to be separately constructed / destructed. More...

	sdl_handler (sdl_handler &&)=delete

Public Member Functions inherited from gui2::top_level_drawable
virtual void	update ()
	Update state and any parameters that may effect layout, or any of the later stages. More...

virtual void	render ()
	Perform any internal rendering necessary to prepare the drawable. More...

Protected Member Functions
virtual void	update_location (const SDL_Rect &rect)

virtual void	process_event ()

virtual void	handle_event (const SDL_Event &event)

Protected Member Functions inherited from gui::widget
	widget (const bool auto_join=true)

virtual	~widget ()

virtual void	draw_contents ()

bool	mouse_locked () const

void	aquire_mouse_lock ()

void	free_mouse_lock ()

Protected Member Functions inherited from events::sdl_handler
	sdl_handler (const bool auto_join=true)

	sdl_handler (const sdl_handler &)

sdl_handler &	operator= (const sdl_handler &)

virtual	~sdl_handler ()

virtual std::vector< sdl_handler * >	handler_members ()

Protected Member Functions inherited from gui2::top_level_drawable
	top_level_drawable ()

virtual	~top_level_drawable ()

	top_level_drawable (const top_level_drawable &)

top_level_drawable &	operator= (const top_level_drawable &)

	top_level_drawable (top_level_drawable &&)

top_level_drawable &	operator= (top_level_drawable &&)

Private Member Functions
void	update_cursor ()
	Update the current cursor, set it to the reference cursor if mousex, mousey is over a cross-reference, otherwise, set it to the normal cursor. More...

void	show_topic (const topic &t, bool save_in_history=true)

void	move_in_history (std::deque< const topic * > &from, std::deque< const topic * > &to)
	Move in the topic history. More...

Private Attributes
help_menu	menu_

help_text_area	text_area_

const section &	toplevel_

bool	ref_cursor_

std::deque< const topic * >	back_topics_

std::deque< const topic * >	forward_topics_

gui::button	back_button_

gui::button	forward_button_

topic const *	shown_topic_