Scrollbar. More...

#include <scrollbar.hpp>

Inheritance diagram for gui::scrollbar:

Public Member Functions
	scrollbar (CVideo &video)
	Create a scrollbar. More...

virtual void	hide (bool value=true)

unsigned	get_position () const
	Determine where the scrollbar is. More...

unsigned	get_max_position () const

void	set_position (unsigned pos)
	Manually update the scrollbar. More...

void	adjust_position (unsigned pos)
	Ensure the viewport contains the position. More...

void	move_position (int dep)
	Move the scrollbar. More...

void	set_shown_size (unsigned h)
	Set the relative size of the grip. More...

void	set_full_size (unsigned h)
	Set the relative size of the scrollbar. More...

void	set_scroll_rate (unsigned r)
	Set scroll rate. More...

bool	is_valid_height (int height) const
	Return true if the scrollbar has a valid size. More...

void	scroll_down ()
	Scrolls down one step. More...

void	scroll_up ()
	Scrolls up one step. More...

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

virtual void	set_location (SDL_Rect const &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)

bool	hidden () const

virtual void	enable (bool new_val=true)

bool	enabled () const

void	set_clip_rect (const SDL_Rect &rect)

void	set_volatile (bool val=true)

void	set_dirty (bool dirty=true)

bool	dirty () const

const std::string &	id () const

void	set_id (const std::string &id)

void	set_help_string (const std::string &str)

void	set_tooltip_string (const std::string &str)

virtual void	process_help_string (int mousex, int mousey)

virtual void	process_tooltip_string (int mousex, int mousey)

Public Member Functions inherited from events::sdl_handler
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 ()

Protected Member Functions
virtual sdl_handler_vector	handler_members ()

virtual void	update_location (SDL_Rect const &rect)

virtual void	handle_event (const SDL_Event &event)

virtual void	process_event ()

virtual void	draw_contents ()

Protected Member Functions inherited from gui::widget
	widget (widget const &o)

	widget (CVideo &video, const bool auto_join=true)

virtual	~widget ()

void	bg_register (SDL_Rect const &rect)

void	bg_restore () const

void	bg_restore (SDL_Rect const &rect) const

void	bg_update ()

void	bg_cancel ()

CVideo &	video () const

virtual void	draw ()

const SDL_Rect *	clip_rect () const

virtual sdl_handler_vector	member_handlers ()

virtual void	handle_window_event (SDL_Event const &event)

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)

virtual	~sdl_handler ()

Private Types
enum	STATE { UNINIT, NORMAL, ACTIVE, DRAGGED }

Private Member Functions
SDL_Rect	grip_area () const

SDL_Rect	groove_area () const

Private Attributes
surface	mid_scaled_

surface	groove_scaled_

button	uparrow_

button	downarrow_

STATE	state_

int	minimum_grip_height_

int	mousey_on_grip_

unsigned int	grip_position_

unsigned int	grip_height_

unsigned int	full_height_

int	scroll_rate_