PreviewCard

在触发器旁显示更丰富的悬停或聚焦预览，不改变当前页面。

正在加载交互演示…

func PreviewCardExample() *ui.Element {
	card := ui.NewPreviewCard().Placement("bottom-start")
	return card.Root().Children(
		card.Trigger(ui.PreviewCardTriggerProps{Delay: 350}).Child("@ada"),
		card.Positioner().Child(
			card.Popup().Child("Ada Lovelace"),
		),
	)
}

#导入

从 github.com/egoist/quickgui/go/ui 导入 ui。

import (
	"github.com/egoist/quickgui/go/ui"
)

#用法

func PreviewCardExample() *ui.Element {
	card := ui.NewPreviewCard().Placement("bottom-start")
	return card.Root().Children(
		card.Trigger(ui.PreviewCardTriggerProps{Delay: 350}).Child("@ada"),
		card.Positioner().Child(
			card.Popup().Child("Ada Lovelace"),
		),
	)
}

#结构

previewCard.Root
previewCard.Trigger
previewCard.Portal
previewCard.Backdrop
previewCard.Positioner
previewCard.Popup
previewCard.Arrow

#API 参考

展开条目查看说明和完整签名。短横线表示声明中未记录默认值。

`NewPreviewCard`

查看源码

ui.NewPreviewCard(props ...PreviewCardRootProps) *PreviewCardComponent

NewPreviewCard declares a PreviewCard instance. Optional props provide initial settings.

Reffunc(*native.Node)—

Receives the retained native node after construction. Keep imperative work in event or lifecycle callbacks.

func(*native.Node)

查看源码

Styleany—

Reusable layout, typography, color, and interaction-state styles. Build with ui.Style() and compose with Merge.

any

查看源码

ChildrenPartChildren—

Content mounted inside the component. Compound child callbacks run after the parent context exists.

PartChildren

查看源码

Disabledany—

Prevents activation and exposes the disabled state to accessibility. Compound parts inherit a disabled root.

any

查看源码

Rolestring—

Accessibility role override. Prefer the component’s built-in semantics.

string

查看源码

FocusOnPointerany—

Whether a pointer press moves keyboard focus to the control.

any

查看源码

Groupany—

Names this element as a group for descendant interaction-state styling.

any

查看源码

AriaLabelany—

Accessible name, especially for icon-only controls or controls without a visible label.

any

查看源码

TabIndex*float64—

Controls sequential keyboard focus order. Omit to retain the component’s default focus behavior.

*float64

查看源码

OnClickfunc(*native.Event)—

Called after QuickGUI resolves an activation, including supported keyboard activation.

func(*native.Event)

查看源码

OnDoubleClickfunc(*native.Event)—

Callback for double click. The signature below lists the event payload.

func(*native.Event)

查看源码

OnContextMenufunc(*native.Event)—

Callback for context menu. The signature below lists the event payload.

func(*native.Event)

查看源码

OnPointerfunc(*native.Event)—

Callback for pointer. The signature below lists the event payload.

func(*native.Event)

查看源码

OnMouseEnterfunc(*native.Event)—

Callback for mouse enter. The signature below lists the event payload.

func(*native.Event)

查看源码

OnMouseLeavefunc(*native.Event)—

Callback for mouse leave. The signature below lists the event payload.

func(*native.Event)

查看源码

OnMouseDownfunc(*native.Event)—

Callback for mouse down. The signature below lists the event payload.

func(*native.Event)

查看源码

OnMouseUpfunc(*native.Event)—

Callback for mouse up. The signature below lists the event payload.

func(*native.Event)

查看源码

OnKeyDownfunc(*native.Event)—

Callback for key down. The signature below lists the event payload.

func(*native.Event)

查看源码

OnKeyUpfunc(*native.Event)—

Callback for key up. The signature below lists the event payload.

func(*native.Event)

查看源码

OnFocusfunc(*native.Event)—

Callback for focus. The signature below lists the event payload.

func(*native.Event)

查看源码

OnBlurfunc(*native.Event)—

Callback for blur. The signature below lists the event payload.

func(*native.Event)

查看源码

Openfunc() bool—

Controlled visibility of the panel or overlay. Pair with the open-change callback.

func() bool

查看源码

DefaultOpenbool—

Initial visibility when the component owns its open state.

bool

查看源码

OnOpenChangefunc(bool, *native.Event)—

Reports a requested visibility change, including dismissal.

func(bool, *native.Event)

查看源码

Placementstring—

Requested native child-window placement.

string

查看源码

Gapany—

Space between adjacent children, in logical pixels.

any

查看源码

ViewportMarginany—

Minimum space reserved around the surface within the viewport.

any

查看源码

`PreviewCard.Disabled`

查看源码

previewCard.Disabled(value any) *PreviewCardComponent

Prevents activation and exposes the disabled state to accessibility. Compound parts inherit a disabled root.

`PreviewCard.Open`

查看源码

previewCard.Open(value any) *PreviewCardComponent

Controlled visibility of the panel or overlay. Pair with the open-change callback.

`PreviewCard.DefaultOpen`

查看源码

previewCard.DefaultOpen(value bool) *PreviewCardComponent

Initial visibility when the component owns its open state.

`PreviewCard.OnOpenChange`

查看源码

previewCard.OnOpenChange(value func(bool, *native.Event)) *PreviewCardComponent

Reports a requested visibility change, including dismissal.

`PreviewCard.Placement`

查看源码

previewCard.Placement(value string) *PreviewCardComponent

Requested native child-window placement.

`PreviewCard.Gap`

查看源码

previewCard.Gap(value any) *PreviewCardComponent

Space between adjacent children, in logical pixels.

`PreviewCard.ViewportMargin`

查看源码

previewCard.ViewportMargin(value any) *PreviewCardComponent

Minimum space reserved around the surface within the viewport.

`PreviewCard.Root`

查看源码

previewCard.Root() *Element

Configures root for this part. The declared type and source define the accepted value.

`PreviewCard.Trigger`

查看源码

previewCard.Trigger(options ...PreviewCardTriggerProps) *Element

Configures trigger for this part. The declared type and source define the accepted value.

Reffunc(*native.Node)—

Receives the retained native node after construction. Keep imperative work in event or lifecycle callbacks.

func(*native.Node)

查看源码

Styleany—

Reusable layout, typography, color, and interaction-state styles. Build with ui.Style() and compose with Merge.

any

查看源码

ChildrenPartChildren—

Content mounted inside the component. Compound child callbacks run after the parent context exists.

PartChildren

查看源码

Disabledany—

Prevents activation and exposes the disabled state to accessibility. Compound parts inherit a disabled root.

any

查看源码

Rolestring—

Accessibility role override. Prefer the component’s built-in semantics.

string

查看源码

FocusOnPointerany—

Whether a pointer press moves keyboard focus to the control.

any

查看源码

Groupany—

Names this element as a group for descendant interaction-state styling.

any

查看源码

AriaLabelany—

Accessible name, especially for icon-only controls or controls without a visible label.

any

查看源码

TabIndex*float64—

Controls sequential keyboard focus order. Omit to retain the component’s default focus behavior.

*float64

查看源码

OnClickfunc(*native.Event)—

Called after QuickGUI resolves an activation, including supported keyboard activation.

func(*native.Event)

查看源码

OnDoubleClickfunc(*native.Event)—

Callback for double click. The signature below lists the event payload.

func(*native.Event)

查看源码

OnContextMenufunc(*native.Event)—

Callback for context menu. The signature below lists the event payload.

func(*native.Event)

查看源码

OnPointerfunc(*native.Event)—

Callback for pointer. The signature below lists the event payload.

func(*native.Event)

查看源码

OnMouseEnterfunc(*native.Event)—

Callback for mouse enter. The signature below lists the event payload.

func(*native.Event)

查看源码

OnMouseLeavefunc(*native.Event)—

Callback for mouse leave. The signature below lists the event payload.

func(*native.Event)

查看源码

OnMouseDownfunc(*native.Event)—

Callback for mouse down. The signature below lists the event payload.

func(*native.Event)

查看源码

OnMouseUpfunc(*native.Event)—

Callback for mouse up. The signature below lists the event payload.

func(*native.Event)

查看源码

OnKeyDownfunc(*native.Event)—

Callback for key down. The signature below lists the event payload.

func(*native.Event)

查看源码

OnKeyUpfunc(*native.Event)—

Callback for key up. The signature below lists the event payload.

func(*native.Event)

查看源码

OnFocusfunc(*native.Event)—

Callback for focus. The signature below lists the event payload.

func(*native.Event)

查看源码

OnBlurfunc(*native.Event)—

Callback for blur. The signature below lists the event payload.

func(*native.Event)

查看源码

Delayany—

Core-owned delay in milliseconds before opening.

any

查看源码

CloseDelayany—

Core-owned delay in milliseconds before closing.

any

查看源码

`PreviewCard.Portal`

查看源码

previewCard.Portal(options ...PartProps) *Element

Configures portal for this part. The declared type and source define the accepted value.

Reffunc(*native.Node)—

Receives the retained native node after construction. Keep imperative work in event or lifecycle callbacks.

func(*native.Node)

查看源码

Styleany—

Reusable layout, typography, color, and interaction-state styles. Build with ui.Style() and compose with Merge.

any

查看源码

ChildrenPartChildren—

Content mounted inside the component. Compound child callbacks run after the parent context exists.

PartChildren

查看源码

Disabledany—

Prevents activation and exposes the disabled state to accessibility. Compound parts inherit a disabled root.

any

查看源码

Rolestring—

Accessibility role override. Prefer the component’s built-in semantics.

string

查看源码

FocusOnPointerany—

Whether a pointer press moves keyboard focus to the control.

any

查看源码

Groupany—

Names this element as a group for descendant interaction-state styling.

any

查看源码

AriaLabelany—

Accessible name, especially for icon-only controls or controls without a visible label.

any

查看源码

TabIndex*float64—

Controls sequential keyboard focus order. Omit to retain the component’s default focus behavior.

*float64

查看源码

OnClickfunc(*native.Event)—

Called after QuickGUI resolves an activation, including supported keyboard activation.

func(*native.Event)

查看源码

OnDoubleClickfunc(*native.Event)—

Callback for double click. The signature below lists the event payload.

func(*native.Event)

查看源码

OnContextMenufunc(*native.Event)—

Callback for context menu. The signature below lists the event payload.

func(*native.Event)

查看源码

OnPointerfunc(*native.Event)—

Callback for pointer. The signature below lists the event payload.

func(*native.Event)

查看源码

OnMouseEnterfunc(*native.Event)—

Callback for mouse enter. The signature below lists the event payload.

func(*native.Event)

查看源码

OnMouseLeavefunc(*native.Event)—

Callback for mouse leave. The signature below lists the event payload.

func(*native.Event)

查看源码

OnMouseDownfunc(*native.Event)—

Callback for mouse down. The signature below lists the event payload.

func(*native.Event)

查看源码

OnMouseUpfunc(*native.Event)—

Callback for mouse up. The signature below lists the event payload.

func(*native.Event)

查看源码

OnKeyDownfunc(*native.Event)—

Callback for key down. The signature below lists the event payload.

func(*native.Event)

查看源码

OnKeyUpfunc(*native.Event)—

Callback for key up. The signature below lists the event payload.

func(*native.Event)

查看源码

OnFocusfunc(*native.Event)—

Callback for focus. The signature below lists the event payload.

func(*native.Event)

查看源码

OnBlurfunc(*native.Event)—

Callback for blur. The signature below lists the event payload.

func(*native.Event)

查看源码

`PreviewCard.Positioner`

查看源码

previewCard.Positioner(options ...PartProps) *Element

Configures positioner for this part. The declared type and source define the accepted value.

Reffunc(*native.Node)—

Receives the retained native node after construction. Keep imperative work in event or lifecycle callbacks.

func(*native.Node)

查看源码

Styleany—

Reusable layout, typography, color, and interaction-state styles. Build with ui.Style() and compose with Merge.

any

查看源码

ChildrenPartChildren—

Content mounted inside the component. Compound child callbacks run after the parent context exists.

PartChildren

查看源码

Disabledany—

Prevents activation and exposes the disabled state to accessibility. Compound parts inherit a disabled root.

any

查看源码

Rolestring—

Accessibility role override. Prefer the component’s built-in semantics.

string

查看源码

FocusOnPointerany—

Whether a pointer press moves keyboard focus to the control.

any

查看源码

Groupany—

Names this element as a group for descendant interaction-state styling.

any

查看源码

AriaLabelany—

Accessible name, especially for icon-only controls or controls without a visible label.

any

查看源码

TabIndex*float64—

Controls sequential keyboard focus order. Omit to retain the component’s default focus behavior.

*float64

查看源码

OnClickfunc(*native.Event)—

Called after QuickGUI resolves an activation, including supported keyboard activation.

func(*native.Event)

查看源码

OnDoubleClickfunc(*native.Event)—

Callback for double click. The signature below lists the event payload.

func(*native.Event)

查看源码

OnContextMenufunc(*native.Event)—

Callback for context menu. The signature below lists the event payload.

func(*native.Event)

查看源码

OnPointerfunc(*native.Event)—

Callback for pointer. The signature below lists the event payload.

func(*native.Event)

查看源码

OnMouseEnterfunc(*native.Event)—

Callback for mouse enter. The signature below lists the event payload.

func(*native.Event)

查看源码

OnMouseLeavefunc(*native.Event)—

Callback for mouse leave. The signature below lists the event payload.

func(*native.Event)

查看源码

OnMouseDownfunc(*native.Event)—

Callback for mouse down. The signature below lists the event payload.

func(*native.Event)

查看源码

OnMouseUpfunc(*native.Event)—

Callback for mouse up. The signature below lists the event payload.

func(*native.Event)

查看源码

OnKeyDownfunc(*native.Event)—

Callback for key down. The signature below lists the event payload.

func(*native.Event)

查看源码

OnKeyUpfunc(*native.Event)—

Callback for key up. The signature below lists the event payload.

func(*native.Event)

查看源码

OnFocusfunc(*native.Event)—

Callback for focus. The signature below lists the event payload.

func(*native.Event)

查看源码

OnBlurfunc(*native.Event)—

Callback for blur. The signature below lists the event payload.

func(*native.Event)

查看源码

`PreviewCard.Popup`

查看源码

previewCard.Popup(options ...PartProps) *Element

Configures popup for this part. The declared type and source define the accepted value.

Reffunc(*native.Node)—

Receives the retained native node after construction. Keep imperative work in event or lifecycle callbacks.

func(*native.Node)

查看源码

Styleany—

Reusable layout, typography, color, and interaction-state styles. Build with ui.Style() and compose with Merge.

any

查看源码

ChildrenPartChildren—

Content mounted inside the component. Compound child callbacks run after the parent context exists.

PartChildren

查看源码

Disabledany—

Prevents activation and exposes the disabled state to accessibility. Compound parts inherit a disabled root.

any

查看源码

Rolestring—

Accessibility role override. Prefer the component’s built-in semantics.

string

查看源码

FocusOnPointerany—

Whether a pointer press moves keyboard focus to the control.

any

查看源码

Groupany—

Names this element as a group for descendant interaction-state styling.

any

查看源码

AriaLabelany—

Accessible name, especially for icon-only controls or controls without a visible label.

any

查看源码

TabIndex*float64—

Controls sequential keyboard focus order. Omit to retain the component’s default focus behavior.

*float64

查看源码

OnClickfunc(*native.Event)—

Called after QuickGUI resolves an activation, including supported keyboard activation.

func(*native.Event)

查看源码

OnDoubleClickfunc(*native.Event)—

Callback for double click. The signature below lists the event payload.

func(*native.Event)

查看源码

OnContextMenufunc(*native.Event)—

Callback for context menu. The signature below lists the event payload.

func(*native.Event)

查看源码

OnPointerfunc(*native.Event)—

Callback for pointer. The signature below lists the event payload.

func(*native.Event)

查看源码

OnMouseEnterfunc(*native.Event)—

Callback for mouse enter. The signature below lists the event payload.

func(*native.Event)

查看源码

OnMouseLeavefunc(*native.Event)—

Callback for mouse leave. The signature below lists the event payload.

func(*native.Event)

查看源码

OnMouseDownfunc(*native.Event)—

Callback for mouse down. The signature below lists the event payload.

func(*native.Event)

查看源码

OnMouseUpfunc(*native.Event)—

Callback for mouse up. The signature below lists the event payload.

func(*native.Event)

查看源码

OnKeyDownfunc(*native.Event)—

Callback for key down. The signature below lists the event payload.

func(*native.Event)

查看源码

OnKeyUpfunc(*native.Event)—

Callback for key up. The signature below lists the event payload.

func(*native.Event)

查看源码

OnFocusfunc(*native.Event)—

Callback for focus. The signature below lists the event payload.

func(*native.Event)

查看源码

OnBlurfunc(*native.Event)—

Callback for blur. The signature below lists the event payload.

func(*native.Event)

查看源码

`PreviewCard.Arrow`

查看源码

previewCard.Arrow(options ...PartProps) *Element

Configures arrow for this part. The declared type and source define the accepted value.

Reffunc(*native.Node)—

Receives the retained native node after construction. Keep imperative work in event or lifecycle callbacks.

func(*native.Node)

查看源码

Styleany—

Reusable layout, typography, color, and interaction-state styles. Build with ui.Style() and compose with Merge.

any

查看源码

ChildrenPartChildren—

Content mounted inside the component. Compound child callbacks run after the parent context exists.

PartChildren

查看源码

Disabledany—

Prevents activation and exposes the disabled state to accessibility. Compound parts inherit a disabled root.

any

查看源码

Rolestring—

Accessibility role override. Prefer the component’s built-in semantics.

string

查看源码

FocusOnPointerany—

Whether a pointer press moves keyboard focus to the control.

any

查看源码

Groupany—

Names this element as a group for descendant interaction-state styling.

any

查看源码

AriaLabelany—

Accessible name, especially for icon-only controls or controls without a visible label.

any

查看源码

TabIndex*float64—

Controls sequential keyboard focus order. Omit to retain the component’s default focus behavior.

*float64

查看源码

OnClickfunc(*native.Event)—

Called after QuickGUI resolves an activation, including supported keyboard activation.

func(*native.Event)

查看源码

OnDoubleClickfunc(*native.Event)—

Callback for double click. The signature below lists the event payload.

func(*native.Event)

查看源码

OnContextMenufunc(*native.Event)—

Callback for context menu. The signature below lists the event payload.

func(*native.Event)

查看源码

OnPointerfunc(*native.Event)—

Callback for pointer. The signature below lists the event payload.

func(*native.Event)

查看源码

OnMouseEnterfunc(*native.Event)—

Callback for mouse enter. The signature below lists the event payload.

func(*native.Event)

查看源码

OnMouseLeavefunc(*native.Event)—

Callback for mouse leave. The signature below lists the event payload.

func(*native.Event)

查看源码

OnMouseDownfunc(*native.Event)—

Callback for mouse down. The signature below lists the event payload.

func(*native.Event)

查看源码

OnMouseUpfunc(*native.Event)—

Callback for mouse up. The signature below lists the event payload.

func(*native.Event)

查看源码

OnKeyDownfunc(*native.Event)—

Callback for key down. The signature below lists the event payload.

func(*native.Event)

查看源码

OnKeyUpfunc(*native.Event)—

Callback for key up. The signature below lists the event payload.

func(*native.Event)

查看源码

OnFocusfunc(*native.Event)—

Callback for focus. The signature below lists the event payload.

func(*native.Event)

查看源码

OnBlurfunc(*native.Event)—

Callback for blur. The signature below lists the event payload.

func(*native.Event)

查看源码

`PreviewCard.Backdrop`

查看源码

previewCard.Backdrop(options ...PartProps) *Element

Configures backdrop for this part. The declared type and source define the accepted value.

Reffunc(*native.Node)—

Receives the retained native node after construction. Keep imperative work in event or lifecycle callbacks.

func(*native.Node)

查看源码

Styleany—

Reusable layout, typography, color, and interaction-state styles. Build with ui.Style() and compose with Merge.

any

查看源码

ChildrenPartChildren—

Content mounted inside the component. Compound child callbacks run after the parent context exists.

PartChildren

查看源码

Disabledany—

Prevents activation and exposes the disabled state to accessibility. Compound parts inherit a disabled root.

any

查看源码

Rolestring—

Accessibility role override. Prefer the component’s built-in semantics.

string

查看源码

FocusOnPointerany—

Whether a pointer press moves keyboard focus to the control.

any

查看源码

Groupany—

Names this element as a group for descendant interaction-state styling.

any

查看源码

AriaLabelany—

Accessible name, especially for icon-only controls or controls without a visible label.

any

查看源码

TabIndex*float64—

Controls sequential keyboard focus order. Omit to retain the component’s default focus behavior.

*float64

查看源码

OnClickfunc(*native.Event)—

Called after QuickGUI resolves an activation, including supported keyboard activation.

func(*native.Event)

查看源码

OnDoubleClickfunc(*native.Event)—

Callback for double click. The signature below lists the event payload.

func(*native.Event)

查看源码

OnContextMenufunc(*native.Event)—

Callback for context menu. The signature below lists the event payload.

func(*native.Event)

查看源码

OnPointerfunc(*native.Event)—

Callback for pointer. The signature below lists the event payload.

func(*native.Event)

查看源码

OnMouseEnterfunc(*native.Event)—

Callback for mouse enter. The signature below lists the event payload.

func(*native.Event)

查看源码

OnMouseLeavefunc(*native.Event)—

Callback for mouse leave. The signature below lists the event payload.

func(*native.Event)

查看源码

OnMouseDownfunc(*native.Event)—

Callback for mouse down. The signature below lists the event payload.

func(*native.Event)

查看源码

OnMouseUpfunc(*native.Event)—

Callback for mouse up. The signature below lists the event payload.

func(*native.Event)

查看源码

OnKeyDownfunc(*native.Event)—

Callback for key down. The signature below lists the event payload.

func(*native.Event)

查看源码

OnKeyUpfunc(*native.Event)—

Callback for key up. The signature below lists the event payload.

func(*native.Event)

查看源码

OnFocusfunc(*native.Event)—

Callback for focus. The signature below lists the event payload.

func(*native.Event)

查看源码

OnBlurfunc(*native.Event)—

Callback for blur. The signature below lists the event payload.

func(*native.Event)

查看源码

`Element`

查看源码

part.Child(content).Style(style)

Every part returns a fluent element. Strings, numbers, elements, and deferred child factories compose directly.

ChildChild(child any) *Element—

Child appends content and returns this element. Content can be an element, native node, scalar, accessor, or node-returning construction callback.

Child(child any) *Element

查看源码

ChildrenChildren(children ...any) *Element—

Children appends multiple children in order without replacing existing content. It also accepts []any, []*Element, and []*native.Node slices as arguments. Read the retained child nodes through element.Node.Children.

Children(children ...any) *Element

查看源码

StyleStyle(style StyleBuilder) *Element—

Style merges a reusable style. Scalar accessors retain independent native bindings.

Style(style StyleBuilder) *Element

查看源码

OnClickOnClick(handler func()) *Element—

OnClick handles a click without an unused event parameter.

OnClick(handler func()) *Element

查看源码

RefRef(handler func(*native.Node)) *Element—

Ref exposes the native handle once at this point in the declaration chain.

Ref(handler func(*native.Node)) *Element

查看源码