Baseclass for container widgets. More...

#include <widget_type.h>

Inheritance diagram for NWidgetContainer:

Public Member Functions
	NWidgetContainer (WidgetType tp)

void	AdjustPaddingForZoom () override

void	Add (std::unique_ptr< NWidgetBase > &&wid)
	Append widget wid to container.

void	FillWidgetLookup (WidgetLookup &widget_lookup) override
	Fill the Window::widget_lookup with pointers to nested widgets in the tree.

void	Draw (const Window *w) override
	Draw the widgets of the tree.

NWidgetCore *	GetWidgetFromPos (int x, int y) override
	Retrieve a widget by its position.

bool	IsEmpty ()
	Return whether the container is empty.

NWidgetBase *	GetWidgetOfType (WidgetType tp) override
	Retrieve a widget by its type.

Public Member Functions inherited from NWidgetBase
	NWidgetBase (WidgetType tp)
	Base class constructor.

void	ApplyAspectRatio ()

virtual void	SetupSmallestSize (Window *w)=0
	Compute smallest size needed by the widget.

virtual void	AssignSizePosition (SizingType sizing, int x, int y, uint given_width, uint given_height, bool rtl)=0
	Assign size and position to the widget.

template<class NWID >
NWID *	GetParentWidget ()
	Get parent widget of type NWID.

template<class NWID >
const NWID *	GetParentWidget () const
	Get parent widget of type NWID.

virtual bool	IsHighlighted () const

virtual TextColour	GetHighlightColour () const

virtual void	SetHighlighted (TextColour highlight_colour)

void	SetPadding (uint8_t top, uint8_t right, uint8_t bottom, uint8_t left)
	Set additional space (padding) around the widget.

void	SetPadding (const RectPadding &padding)
	Set additional space (padding) around the widget.

uint	GetHorizontalStepSize (SizingType sizing) const
	Get the horizontal sizing step.

uint	GetVerticalStepSize (SizingType sizing) const
	Get the vertical sizing step.

virtual void	SetDirty (const Window *w) const
	Mark the widget as 'dirty' (in need of repaint).

Rect	GetCurrentRect () const

Public Member Functions inherited from ZeroedMemoryAllocator
void *	operator new (size_t size)
	Memory allocator for a single class instance.

void *	operator new[] (size_t size)
	Memory allocator for an array of class instances.

void	operator delete (void *ptr)
	Memory release for a single class instance.

void	operator delete[] (void *ptr)
	Memory release for an array of class instances.

Protected Attributes
std::vector< std::unique_ptr< NWidgetBase > >	children
	Child widgets in contaier.

Additional Inherited Members
Data Fields inherited from NWidgetBase
WidgetType	type
	Type of the widget / nested widget.

uint	fill_x
	Horizontal fill stepsize (from initial size, `0` means not resizable).

uint	fill_y
	Vertical fill stepsize (from initial size, `0` means not resizable).

uint	resize_x
	Horizontal resize step (`0` means not resizable).

uint	resize_y
	Vertical resize step (`0` means not resizable).

uint	smallest_x
	Smallest horizontal size of the widget in a filled window.

uint	smallest_y
	Smallest vertical size of the widget in a filled window.

uint	current_x
	Current horizontal size (after resizing).

uint	current_y
	Current vertical size (after resizing).

float	aspect_ratio = 0
	Desired aspect ratio of widget.

AspectFlags	aspect_flags = AspectFlags::ResizeX
	Which dimensions can be resized.

int	pos_x
	Horizontal position of top-left corner of the widget in the window.

int	pos_y
	Vertical position of top-left corner of the widget in the window.

RectPadding	padding
	Padding added to the widget. Managed by parent container widget. (parent container may swap left and right for RTL)

RectPadding	uz_padding
	Unscaled padding, for resize calculation.

NWidgetBase *	parent
	Parent widget of this widget, automatically filled in when added to container.

Protected Member Functions inherited from NWidgetBase
void	StoreSizePosition (SizingType sizing, int x, int y, uint given_width, uint given_height)
	Store size and position.

Detailed Description

Baseclass for container widgets.

Definition at line 460 of file widget_type.h.

Constructor & Destructor Documentation

◆ NWidgetContainer()

NWidgetContainer::NWidgetContainer ( WidgetType tp )

inline

Definition at line 462 of file widget_type.h.

Member Function Documentation

◆ Add()

void NWidgetContainer::Add ( std::unique_ptr< NWidgetBase > && wid )

Append widget wid to container.

Parameters

wid	Widget to append.

Definition at line 1198 of file widget.cpp.

References children, and NWidgetBase::parent.

Referenced by MakeWidgetTree(), and MakeWindowNWidgetTree().

◆ AdjustPaddingForZoom()

void NWidgetContainer::AdjustPaddingForZoom ( )

overridevirtual

Reimplemented from NWidgetBase.

Definition at line 1186 of file widget.cpp.

◆ Draw()

void NWidgetContainer::Draw ( const Window * w )

overridevirtual

Draw the widgets of the tree.

The function calls Window::DrawWidget for each widget with a non-negative index, after the widget itself is painted.

Parameters

w	Window that owns the tree.

Implements NWidgetBase.

Reimplemented in NWidgetSocialPlugins, NWidgetToolbarContainer, NWidgetLayer, NWidgetStacked, and NWidgetMatrix.

Definition at line 1212 of file widget.cpp.

References children.

Referenced by NWidgetToolbarContainer::Draw().

◆ FillWidgetLookup()

void NWidgetContainer::FillWidgetLookup ( WidgetLookup & widget_lookup )

overridevirtual

Fill the Window::widget_lookup with pointers to nested widgets in the tree.

Parameters

widget_lookup The WidgetLookup.

Implements NWidgetBase.

Reimplemented in NWidgetSocialPlugins, NWidgetStacked, and NWidgetMatrix.

Definition at line 1205 of file widget.cpp.

References children, and NWidgetBase::FillWidgetLookup().

Referenced by NWidgetStacked::FillWidgetLookup(), and NWidgetMatrix::FillWidgetLookup().

◆ GetWidgetFromPos()

NWidgetCore * NWidgetContainer::GetWidgetFromPos	(	int	x,
		int	y
	)

overridevirtual

Retrieve a widget by its position.

Parameters

x	Horizontal position relative to the left edge of the window.
y	Vertical position relative to the top edge of the window.

Returns: Returns the deepest nested widget that covers the given position, or nullptr if no widget can be found.

Implements NWidgetBase.

Reimplemented in NWidgetStacked, and NWidgetMatrix.

Definition at line 1221 of file widget.cpp.

References children, NWidgetBase::current_x, NWidgetBase::current_y, NWidgetCore::GetWidgetFromPos(), IsInsideBS(), NWidgetBase::pos_x, and NWidgetBase::pos_y.

◆ GetWidgetOfType()

NWidgetBase * NWidgetContainer::GetWidgetOfType ( WidgetType tp )

overridevirtual

Retrieve a widget by its type.

Parameters

tp	Widget type to search for.

Returns: Returns the first widget of the specified type, or nullptr if no widget can be found.

Reimplemented from NWidgetBase.

Definition at line 1176 of file widget.cpp.

References children, NWidgetBase::GetWidgetOfType(), and NWidgetBase::type.

Referenced by MakeWindowNWidgetTree().

◆ IsEmpty()

bool NWidgetContainer::IsEmpty ( )

inline

Return whether the container is empty.

Definition at line 472 of file widget_type.h.

References children.

Referenced by NWidgetLayer::SetupSmallestSize(), and NWidgetStacked::SetupSmallestSize().

Field Documentation

◆ children

std::vector<std::unique_ptr<NWidgetBase> > NWidgetContainer::children

protected

Child widgets in contaier.

Definition at line 477 of file widget_type.h.

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

src/widget_type.h
src/widget.cpp

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ NWidgetContainer()

Member Function Documentation

◆ Add()

◆ AdjustPaddingForZoom()

◆ Draw()

◆ FillWidgetLookup()

◆ GetWidgetFromPos()

◆ GetWidgetOfType()

◆ IsEmpty()

Field Documentation

◆ children