Btk::Container Class Reference

A Container of Widget. More...

#include <widget.hpp>

Inheritance diagram for Btk::Container:

Collaboration diagram for Btk::Container:

Public Types
typedef Function< bool(Event &)>	Filter
	The event filter(return false to drop the event) More...

Public Member Functions
	Container (const Container &)=delete
template<class T , class ... Args>
T &	add (Args &&...args)
	Add a widget to the Container. More...
bool	add (Widget *w)
void	clear ()
	Destroy all widget. More...
bool	remove (Widget *widget)
	Remove the widget in the container. More...
bool	detach (Widget *widget)
	Detach the widget in the container. More...
bool	handle_click (MouseEvent &)
bool	handle_whell (WheelEvent &)
bool	handle_motion (MotionEvent &)
bool	handle_keyboard (KeyEvent &)
bool	handle_textinput (TextInputEvent &)
bool	handle (Event &)
	Generic to dispatch event to widgets. More...
Function< bool(Event &)> &	filter () noexcept
	Get the Container EventFilter. More...

Protected Member Functions
void	set_focus_widget (Widget *)

Protected Attributes
Widget *	focus_widget = nullptr
Widget *	drag_widget = nullptr
Widget *	cur_widget = nullptr
bool	mouse_pressed = false
	The mouse is pressed. More...
bool	drag_rejected = false
bool	managed_window = false
	Manager by window. More...
Function< bool(Event &)>	ev_filter
	Event filter. More...
WindowImpl *	window
std::list< Widget * >	widgets_list

Friends
class	Window
class	Widget
struct	System
struct	WindowImpl

Detailed Description

A Container of Widget.

Member Typedef Documentation

Filter

typedef Function<bool(Event&)> Btk::Container::Filter

The event filter(return false to drop the event)

Member Function Documentation

add()

template<class T , class ... Args>

T& Btk::Container::add ( Args &&...  args )

inline

Add a widget to the Container.

Template Parameters

T
Args

Parameters

args

Returns

The new widget ref

clear()

void Btk::Container::clear

(

)

Destroy all widget.

detach()

bool Btk::Container::detach

(

Widget *

widget

)

Detach the widget in the container.

Parameters

widget

The widget pointer

Returns

true Successed to Detach it

false The widget pointer is invaid

filter()

Function<bool(Event&)>& Btk::Container::filter ( )

inlinenoexcept

Get the Container EventFilter.

Returns

Function<bool(Event&)>&

handle()

bool Btk::Container::handle

(

Event &

event

)

Generic to dispatch event to widgets.

Returns

true

false

remove()

bool Btk::Container::remove

(

Widget *

widget

)

Remove the widget in the container.

Parameters

widget

The widget pointer

Returns

true Successed to remove it

false The widget pointer is invaid

Member Data Documentation

ev_filter

Function<bool(Event&)> Btk::Container::ev_filter

protected

Event filter.

managed_window

bool Btk::Container::managed_window = false

protected

Manager by window.

mouse_pressed

bool Btk::Container::mouse_pressed = false

protected

The mouse is pressed.

Note

This value is used to check the drag status

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

• include/Btk/widget.hpp
• src/impl/widget.cpp