hi::v1::tab_widget Class Reference

#include <hikogui/widgets/tab_widget.hpp>

Inheritance diagram for hi::v1::tab_widget:

Public Types
using	super = widget
using	delegate_type = tab_delegate

Public Member Functions
	tab_widget (widget *parent, std::shared_ptr< delegate_type > delegate) noexcept
	Construct a tab widget with a delegate.
	tab_widget (widget *parent, different_from< std::shared_ptr< delegate_type > > auto &&value) noexcept
	Construct a tab widget with an observer value.
template<typename WidgetType , typename Key , typename... Args>
WidgetType &	make_widget (Key const &key, Args &&...args)
	Make and add a child widget.
Public Member Functions inherited from hi::v1::widget
	widget (widget *parent) noexcept
	widget (const widget &)=delete
widget &	operator= (const widget &)=delete
	widget (widget &&)=delete
widget &	operator= (widget &&)=delete
virtual hitbox	hitbox_test_from_parent (point3 position) const noexcept
	Call hitbox_test from a parent widget.
virtual hitbox	hitbox_test_from_parent (point3 position, hitbox sibling_hitbox) const noexcept
	Call hitbox_test from a parent widget.
virtual bool	accepts_keyboard_focus (keyboard_focus_group group) const noexcept
	Check if the widget will accept keyboard focus.
widget_constraints const &	constraints () const noexcept
widget_layout const &	layout () const noexcept
	Get the current layout for this widget.
virtual bool	process_event (gui_event const &event) const noexcept
void	request_redraw () const noexcept
	Request the widget to be redrawn on the next frame.
virtual bool	handle_event (gui_event const &event) noexcept
	Handle command.
virtual bool	handle_event_recursive (gui_event const &event, std::vector< widget const * > const &reject_list=std::vector< widget const * >{}) noexcept
	Handle command recursive.
widget const *	find_first_widget (keyboard_focus_group group) const noexcept
widget const *	find_last_widget (keyboard_focus_group group) const noexcept
bool	is_first (keyboard_focus_group group) const noexcept
	Is this widget the first widget in the parent container.
bool	is_last (keyboard_focus_group group) const noexcept
	Is this widget the last widget in the parent container.
virtual void	scroll_to_show (hi::aarectangle rectangle) noexcept
	Scroll to show the given rectangle on the window.
void	scroll_to_show () noexcept
	Scroll to show the important part of the widget.
std::vector< widget const * >	parent_chain () const noexcept
	Get a list of parents of a given widget.
virtual color	background_color () const noexcept
virtual color	foreground_color () const noexcept
virtual color	focus_color () const noexcept
virtual color	accent_color () const noexcept
virtual color	label_color () const noexcept

Data Fields
std::shared_ptr< delegate_type >	delegate
Data Fields inherited from hi::v1::widget
widget *	parent
	Pointer to the parent widget.
std::string	id
	A name of widget, should be unique between siblings.
observer< widget_mode >	mode = widget_mode::enabled
	The widget mode.
observer< bool >	hover = false
	Mouse cursor is hovering over the widget.
observer< bool >	focus = false
	The widget has keyboard focus.
int	semantic_layer
	The draw layer of the widget.
int	logical_layer
	The logical layer of the widget.

Detailed Description

A graphical element that shows only one of a predefined set of mutually exclusive child widgets.

A tab widget is generally controlled by a toolbar_tab_button_widget or another selection widget.

In the following example we create three tabs on the window which observes a value controlled by a set of toolbar tab buttons. Each tab is configured with a different value: 0, 1 and 2.

    auto& tab_view = window->content().make_widget<tab_widget>("A1", value);
    tab_view.make_widget<label_widget>(0, tr("one"), alignment::middle_center());
    tab_view.make_widget<label_widget>(1, tr("two"), alignment::middle_center());
    tab_view.make_widget<label_widget>(2, tr("three"), alignment::middle_center());

Note

A tab_button is not directly controlled by a toolbar_tab_button_widget. This is accomplished by sharing a delegate or a observer between the toolbar tab button and the tab widget.

Constructor & Destructor Documentation

tab_widget() [1/2]

hi::v1::tab_widget::tab_widget ( widget * parent, std::shared_ptr< delegate_type > delegate )

noexcept

Construct a tab widget with a delegate.

Parameters

parent	The owner of this widget.
delegate	The delegate that will control this widget.

tab_widget() [2/2]

hi::v1::tab_widget::tab_widget ( widget * parent, different_from< std::shared_ptr< delegate_type > > auto && value )

inlinenoexcept

Construct a tab widget with an observer value.

Parameters

parent	The owner of this widget.
value	The value or observer value to monitor for which child widget to display.

Member Function Documentation

make_widget()

template<typename WidgetType , typename Key , typename... Args>

WidgetType & hi::v1::tab_widget::make_widget ( Key const & key, Args &&... args )

inline

Make and add a child widget.

Precondition

A widget with the same value must not have been added before.

Template Parameters

WidgetType	The type of the widget to create.
Key	The type of the key, must be convertible to std::size_t.

Parameters

key	The value used as a key to select this newly added widget.
args	The arguments to pass to the constructor of widget to add.

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

• hikogui/src/hikogui/widgets/tab_widget.hpp