Class Panel

Panel UI control.

System.Object
Control
ContainerControl
FlaxEngine.GUI.ScrollableControl
Panel
DockWindow
NavigationBar
Timeline
System.IComparable
Namespace: FlaxEngine.GUI
Assembly: FlaxEngine.CSharp.dll
Syntax
[ActorToolbox("GUI")]
public class Panel : ScrollableControl, IComparable, IDrawable

Constructors

Panel()

Initializes a new instance of the Panel class.

Declaration
public Panel()

Panel(ScrollBars, Boolean)

Initializes a new instance of the Panel class.

Declaration
public Panel(ScrollBars scrollBars, bool autoFocus = false)
Parameters
ScrollBars scrollBars

The scroll bars.
System.Boolean autoFocus

True if control can accept user focus

Properties

AlwaysShowScrollbars

Gets or sets a value indicating whether always show scrollbars. Otherwise show them only if scrolling is available.

Declaration
[EditorDisplay("Scrollbar Style", null)]
[EditorOrder(1502)]
[Tooltip("Whether always show scrollbars. Otherwise show them only if scrolling is available.")]
public bool AlwaysShowScrollbars { get; set; }
Property Value
System.Boolean

ControlsBounds

Gets the cached scroll area bounds. Used to scroll contents of the panel control. Cached during performing layout.

Declaration
public Rectangle ControlsBounds { get; }
Property Value
Rectangle

ScrollBars

Gets or sets the scroll bars usage by this panel.

Declaration
[EditorDisplay("Scrollbar Style", null)]
[EditorOrder(1500)]
[Tooltip("The scroll bars usage.")]
public ScrollBars ScrollBars { get; set; }
Property Value
ScrollBars

ScrollBarsSize

Gets or sets the size of the scroll bars.

Declaration
[EditorDisplay("Scrollbar Style", null)]
[EditorOrder(1501)]
[Tooltip("Scroll bars size.")]
public float ScrollBarsSize { get; set; }
Property Value
System.Single

ScrollbarThumbColor

The color of the scroll bar thumb.

Declaration
[EditorDisplay("Scrollbar Style", null)]
[EditorOrder(1601)]
public Color ScrollbarThumbColor { get; set; }
Property Value
Color

ScrollbarThumbSelectedColor

The color of the scroll bar thumb when selected.

Declaration
[EditorDisplay("Scrollbar Style", null)]
[EditorOrder(1602)]
public Color ScrollbarThumbSelectedColor { get; set; }
Property Value
Color

ScrollbarTrackColor

The color of the scroll bar track.

Declaration
[EditorDisplay("Scrollbar Style", null)]
[EditorOrder(1600)]
[ExpandGroups]
public Color ScrollbarTrackColor { get; set; }
Property Value
Color

ScrollMargin

Gets or sets the scroll margin applies to the child controls area. Can be used to expand the scroll area bounds by adding a margin.

Declaration
[EditorDisplay("Scrollbar Style", null)]
[EditorOrder(1503)]
[Tooltip("Scroll margin applies to the child controls area. Can be used to expand the scroll area bounds by adding a margin.")]
public Margin ScrollMargin { get; set; }
Property Value
Margin

ViewBottom

Gets the view bottom.

Declaration
public Float2 ViewBottom { get; }
Property Value
Float2

Methods

Arrange()

Arranges the child controls.

Declaration
protected virtual void Arrange()

ArrangeAndGetBounds()

Arranges the child controls and gets their bounds.

Declaration
protected virtual void ArrangeAndGetBounds()

ContainsPoint(ref Float2, Boolean)

Checks if this control contains given point in local Control Space.

Declaration
public override bool ContainsPoint(ref Float2 location, bool precise = false)
Parameters
Float2 location

Point location in Control Space to check
System.Boolean precise

True if perform precise intersection test against the control content (eg. with hit mask or transparency threshold). Otherwise, only simple bounds-check will be performed.
Returns
System.Boolean

True if point is inside control's area, otherwise false.
Overrides

DisposeChildren()

Removes and disposes all the child controls

Declaration
public override void DisposeChildren()
Overrides

Draw()

Draw the control and the children.

Declaration
public override void Draw()
Overrides

FastScroll()

Cuts the scroll bars value smoothing and imminently goes to the target scroll value.

Declaration
public void FastScroll()

GetDesireClientArea(out Rectangle)

Gets the desire client area rectangle for all the controls.

Declaration
public override void GetDesireClientArea(out Rectangle rect)
Parameters
Rectangle rect

The client area rectangle for child controls.
Overrides

IntersectsChildContent(Control, Float2, out Float2)

Declaration
public override bool IntersectsChildContent(Control child, Float2 location, out Float2 childSpaceLocation)
Parameters
Control child

Float2 location

Float2 childSpaceLocation

Returns
System.Boolean

Overrides
FlaxEngine.GUI.ScrollableControl.IntersectsChildContent(FlaxEngine.GUI.Control, FlaxEngine.Float2, FlaxEngine.Float2)

OnChildResized(Control)

Called when child control gets resized.

Declaration
public override void OnChildResized(Control control)
Parameters
Control control

The resized control.
Overrides

OnDragMove(ref Float2, DragData)

When mouse dragging moves over control's area

Declaration
public override DragDropEffect OnDragMove(ref Float2 location, DragData data)
Parameters
Float2 location

Mouse location in Control Space
DragData data

The data. See DragDataText and DragDataFiles.
Returns
DragDropEffect

The drag event result effect.
Overrides

OnMouseDown(Float2, MouseButton)

When mouse goes down over control's area

Declaration
public override bool OnMouseDown(Float2 location, MouseButton button)
Parameters
Float2 location

Mouse location in Control Space
MouseButton button

Mouse buttons state (flags)
Returns
System.Boolean

True if event has been handled, otherwise false
Overrides

OnMouseWheel(Float2, Single)

When mouse wheel moves

Declaration
public override bool OnMouseWheel(Float2 location, float delta)
Parameters
Float2 location

Mouse location in Control Space
System.Single delta

Mouse wheel move delta. A positive value indicates that the wheel was rotated forward, away from the user; a negative value indicates that the wheel was rotated backward, toward the user. Normalized to [-1;1] range.
Returns
System.Boolean

True if event has been handled
Overrides

PerformLayout(Boolean)

Update control layout

Declaration
public override void PerformLayout(bool force = false)
Parameters
System.Boolean force

True if perform layout by force even if cached state wants to skip it due to optimization.
Overrides

PerformLayoutAfterChildren()

Perform layout for that container control after performing it for child controls.

Declaration
protected override void PerformLayoutAfterChildren()
Overrides

PerformLayoutBeforeChildren()

Perform layout for that container control before performing it for child controls.

Declaration
protected override void PerformLayoutBeforeChildren()
Overrides

RemoveChildren()

Unlinks all the child controls.

Declaration
public override void RemoveChildren()
Overrides

ScrollViewTo(Float2, Boolean)

Scrolls the view to the given location.

Declaration
public void ScrollViewTo(Float2 location, bool fastScroll = false)
Parameters
Float2 location

The location.
System.Boolean fastScroll

True of scroll to the item quickly without smoothing.

ScrollViewTo(Control, Boolean)

Scrolls the view to the given control area.

Declaration
public void ScrollViewTo(Control c, bool fastScroll = false)
Parameters
Control c

The control.
System.Boolean fastScroll

True of scroll to the item quickly without smoothing.

ScrollViewTo(Rectangle, Boolean)

Scrolls the view to the given area.

Declaration
public void ScrollViewTo(Rectangle bounds, bool fastScroll = false)
Parameters
Rectangle bounds

The bounds.
System.Boolean fastScroll

True of scroll to the item quickly without smoothing.

SetViewOffset(ref Float2)

Declaration
protected override void SetViewOffset(ref Float2 value)
Parameters
Float2 value

Overrides
FlaxEngine.GUI.ScrollableControl.SetViewOffset(FlaxEngine.Float2)

Extension Methods

See Also

FlaxEngine.GUI.ScrollableControl