HikoGUI
A low latency retained GUI
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Public Types | Public Member Functions
hi::v1::toolbar_tab_button_widget< Name > Class Template Referencefinal

#include <hikogui/widgets/toolbar_tab_button_widget.hpp>

Inheritance diagram for hi::v1::toolbar_tab_button_widget< Name >:
hi::v1::abstract_button_widget< Prefix > hi::v1::widget

Public Types

using super = abstract_button_widget<Name / "toolbar-tab-button">
 
using delegate_type = typename super::delegate_type
 
- Public Types inherited from hi::v1::abstract_button_widget< Prefix >
using super = widget
 
using delegate_type = button_delegate
 
- Public Types inherited from hi::v1::widget
using callback_token = notifier<void()>::callback_token
 
using awaiter_type = notifier<void()>::awaiter_type
 

Public Member Functions

 toolbar_tab_button_widget (widget *parent, std::shared_ptr< delegate_type > delegate, button_widget_attribute auto &&...attributes) noexcept
 Construct a toolbar tab button widget.
 
template<different_from< std::shared_ptr< delegate_type > > Value, forward_of< observer< observer_decay_t< Value > > > OnValue, button_widget_attribute... Attributes>
requires requires { make_default_radio_button_delegate(hi_forward(value), hi_forward(on_value)); }
 toolbar_tab_button_widget (widget *parent, Value &&value, OnValue &&on_value, Attributes &&...attributes) noexcept
 Construct a toolbar tab button widget with a default button delegate.
 
void request_redraw () const noexcept override
 Request the widget to be redrawn on the next frame.
 
- Public Member Functions inherited from hi::v1::abstract_button_widget< Prefix >
 abstract_button_widget (widget *parent, std::shared_ptr< delegate_type > delegate) noexcept
 
- Public Member Functions inherited from hi::v1::widget
 widget (widget *parent) noexcept
 
 widget (widget const &)=delete
 
 widget (widget &&)=delete
 
widgetoperator= (widget &&)=delete
 
widgetoperator= (widget const &)=delete
 
generator< widget & > children (bool include_invisible) noexcept
 
virtual hitbox hitbox_test_from_parent (point2i position) const noexcept
 Call hitbox_test from a parent widget.
 
virtual hitbox hitbox_test_from_parent (point2i position, hitbox sibling_hitbox) const noexcept
 Call hitbox_test from a parent widget.
 
void reset_layout (gfx_surface *new_surface, float new_scale) noexcept
 Reset the layout.
 
virtual sub_theme_selector_type sub_theme_selector () const noexcept
 
virtual bool process_event (gui_event const &event) const noexcept
 
virtual bool handle_event_recursive (gui_event const &event, std::vector< widget_id > const &reject_list=std::vector< widget_id >{}) noexcept
 Handle command recursive.
 
virtual widget_id find_next_widget (widget_id current_keyboard_widget, keyboard_focus_group group, keyboard_focus_direction direction) const noexcept
 Find the next widget that handles keyboard focus.
 
widget_id find_first_widget (keyboard_focus_group group) const noexcept
 
widget_id find_last_widget (keyboard_focus_group group) const noexcept
 
bool is_first (keyboard_focus_group group) const noexcept
 
bool is_last (keyboard_focus_group group) const noexcept
 
virtual void scroll_to_show (hi::aarectanglei rectangle) noexcept
 Scroll to show the given rectangle on the window.
 
std::vector< widget_id > parent_chain () const noexcept
 Get a list of parents of a given widget.
 
template<forward_of< void()> Callback>
callback_token subscribe (Callback &&callback, callback_flags flags=callback_flags::synchronous) const noexcept
 
awaiter_type operator co_await () const noexcept
 

Additional Inherited Members

- Data Fields inherited from hi::v1::abstract_button_widget< Prefix >
std::shared_ptr< delegate_typedelegate
 The delegate that controls the button widget.
 
observer< label > on_label = tr("on")
 The label to show when the button is in the 'on' state.
 
observer< label > off_label = tr("off")
 The label to show when the button is in the 'off' state.
 
observer< label > other_label = tr("other")
 The label to show when the button is in the 'other' state.
 
observer< hi::alignment > alignment
 The alignment of the button and on/off/other label.
 
- Data Fields inherited from hi::v1::widget
widget_id id = {}
 The numeric identifier of a widget.
 
widgetparent = nullptr
 Pointer to the parent widget.
 
gfx_surface * surface = nullptr
 The surface this widget is drawn on.
 
observer< widget_modemode = widget_mode::enabled
 The widget mode.
 
observer< bool > hover = false
 Mouse cursor is hovering over the widget.
 
observer< bool > clicked = false
 The widget is being clicked by the mouse.
 
observer< bool > focus = false
 The widget has keyboard focus.
 
observer< widget_statestate = widget_state::off
 The state of the widget.
 
size_t semantic_layer = 0_uz
 The draw layer of the widget.
 
observer< extent2iminimum = extent2i{}
 The minimum size this widget is allowed to be.
 
observer< extent2imaximum = extent2i::large()
 The maximum size this widget is allowed to be.
 
widget_layout layout
 
- Static Public Attributes inherited from hi::v1::abstract_button_widget< Prefix >
static constexpr auto prefix = Prefix
 

Detailed Description

template<fixed_string Name = "">
class hi::v1::toolbar_tab_button_widget< Name >

A graphical control element that allows the user to choose only one of a predefined set of mutually exclusive views of a tab_widget.

A toolbar tab button generally controls a tab_widget, to show one of its child widgets.

A toolbar tab button has two different states with different visual representation:

Each time a user activates the toolbar tab button it switches its state to 'on'.

A toolbar tab button cannot itself switch state to 'other', this state may be caused by external factors. The canonical example is another toolbar tab button in a set, which is configured with a different on_value.

In the following example we create three toolbar tab button widgets on the window which observes the same value. Each tab button is configured with a different on_value: 0, 1 and 2.

widget.toolbar().make_widget<toolbar_tab_button_widget<>>(value, 0, tr("one"));
widget.toolbar().make_widget<toolbar_tab_button_widget<>>(value, 1, tr("two"));
widget.toolbar().make_widget<toolbar_tab_button_widget<>>(value, 2, tr("three"));
Note
A toolbar tab button does not directly control a tab_widget. Like radio_button_widget this is accomplished by sharing a delegate or a observer between the toolbar tab button and the tab widget.

Constructor & Destructor Documentation

◆ toolbar_tab_button_widget() [1/2]

template<fixed_string Name = "">
hi::v1::toolbar_tab_button_widget< Name >::toolbar_tab_button_widget ( widget * parent,
std::shared_ptr< delegate_type > delegate,
button_widget_attribute auto &&... attributes )
inlinenoexcept

Construct a toolbar tab button widget.

Parameters
parentThe parent widget that owns this radio button widget.
delegateThe delegate to use to manage the state of the tab button widget.
attributesDifferent attributes used to configure the label's on the toolbar tab button: a label, alignment or text_theme. If one label is passed it will be shown in all states. If two labels are passed the first label is shown in on-state and the second for off-state.

◆ toolbar_tab_button_widget() [2/2]

template<fixed_string Name = "">
template<different_from< std::shared_ptr< delegate_type > > Value, forward_of< observer< observer_decay_t< Value > > > OnValue, button_widget_attribute... Attributes>
requires requires { make_default_radio_button_delegate(hi_forward(value), hi_forward(on_value)); }
hi::v1::toolbar_tab_button_widget< Name >::toolbar_tab_button_widget ( widget * parent,
Value && value,
OnValue && on_value,
Attributes &&... attributes )
inlinenoexcept

Construct a toolbar tab button widget with a default button delegate.

Parameters
parentThe parent widget that owns this toolbar tab button widget.
valueThe value or observer value which represents the state of the toolbar tab button.
on_valueAn optional on-value. This value is used to determine which value yields an 'on' state.
attributesDifferent attributes used to configure the label's on the toolbar tab button: a label, alignment or text_theme. If one label is passed it will be shown in all states. If two labels are passed the first label is shown in on-state and the second for off-state.

Member Function Documentation

◆ request_redraw()

template<fixed_string Name = "">
void hi::v1::toolbar_tab_button_widget< Name >::request_redraw ( ) const
inlineoverridevirtualnoexcept

Request the widget to be redrawn on the next frame.

Reimplemented from hi::v1::widget.


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