Interface Widget

widget.go:40–91

)

type Widget interface {
	Window

	// Alignment returns the alignment of the Widget.
	Alignment() Alignment2D

	// AlwaysConsumeSpace returns if the Widget should consume space even if it
	// is not visible.
	AlwaysConsumeSpace() bool

	// AsWidgetBase returns a *WidgetBase that implements Widget.
	AsWidgetBase() *WidgetBase

	// CreateLayoutItem creates and returns a new LayoutItem specific to the
	// concrete Widget type, that carries all data and logic required to layout
	// the Widget.
	CreateLayoutItem(ctx *LayoutContext) LayoutItem

	// GraphicsEffects returns a list of WidgetGraphicsEffects that are applied to the Widget.
	GraphicsEffects() *WidgetGraphicsEffectList

	// LayoutFlags returns a combination of LayoutFlags that specify how the
	// Widget wants to be treated by Layout implementations.
	LayoutFlags() LayoutFlags

	// MinSizeHint returns the minimum outer size in native pixels, including decorations, that
	// makes sense for the respective type of Widget.
	MinSizeHint() Size

	// Parent returns the Container of the Widget.
	Parent() Container

	// SetAlignment sets the alignment of the widget.
	SetAlignment(alignment Alignment2D) error

	// SetAlwaysConsumeSpace sets if the Widget should consume space even if it
	// is not visible.
	SetAlwaysConsumeSpace(b bool) error

	// SetParent sets the parent of the Widget and adds the Widget to the
	// Children list of the Container.
	SetParent(value Container) error

	// SetToolTipText sets the tool tip text of the Widget.
	SetToolTipText(s string) error

	// SizeHint returns the preferred size in native pixels for the respective type of Widget.
	SizeHint() Size

	// ToolTipText returns the tool tip text of the Widget.
	ToolTipText() string
}

type WidgetBase struct {
	WindowBase