open fun beginMove(device: Device, button: <Error class: unknown class>, x: <Error class: unknown class>, y: <Error class: unknown class>, timestamp: <Error class: unknown class>)

Begins an interactive move operation.

beginResize

open fun beginResize(edge: SurfaceEdge, device: Device? = null, button: <Error class: unknown class>, x: <Error class: unknown class>, y: <Error class: unknown class>, timestamp: <Error class: unknown class>)

Begins an interactive resize operation.

createCairoContext

open fun createCairoContext(): CairoContext

Creates a new GdkCairoContext for rendering on @surface.

createGlContext

open fun createGlContext(): <Error class: unknown class><GlContext>

Creates a new GdkGLContext for the GdkSurface.

createSimilarSurface

open fun createSimilarSurface(content: <Error class: unknown class>, width: <Error class: unknown class>, height: <Error class: unknown class>): <Error class: unknown class>

Create a new Cairo surface that is as compatible as possible with the given @surface.

createVulkanContext

open fun createVulkanContext(): <Error class: unknown class><VulkanContext>

Sets an error and returns null.

destroy

open fun destroy()

Destroys the window system resources associated with @surface and decrements @surface's reference count.

emitEnterMonitor

fun emitEnterMonitor(monitor: Monitor)

Emits the "enter-monitor" signal. See onEnterMonitor.

emitLayout

fun emitLayout(width: <Error class: unknown class>, height: <Error class: unknown class>)

Emits the "layout" signal. See onLayout.

emitLeaveMonitor

fun emitLeaveMonitor(monitor: Monitor)

Emits the "leave-monitor" signal. See onLeaveMonitor.

focus

open fun focus(timestamp: <Error class: unknown class>)

Sets keyboard focus to @surface.

getDeviceCursor

open fun getDeviceCursor(device: Device): Cursor?

Retrieves a GdkCursor pointer for the @device currently set on the specified GdkSurface.

getState

open fun getState(): ToplevelState

Gets the bitwise or of the currently active surface state flags, from the GdkToplevelState enumeration.

hide

open fun hide()

Hide the surface.

inhibitSystemShortcuts

open fun inhibitSystemShortcuts(event: Event? = null)

Requests that the @toplevel inhibit the system shortcuts.

isDestroyed

open fun isDestroyed(): Boolean

Check to see if a surface is destroyed.

lower

open fun lower(): Boolean

Asks to lower the @toplevel below other windows.

minimize

open fun minimize(): Boolean

Asks to minimize the @toplevel.

onComputeSize

open fun onComputeSize(connectFlags: <Error class: unknown class> = ConnectFlags(0u), handler: (size: ToplevelSize) -> Unit): <Error class: unknown class>

Emitted when the size for the surface needs to be computed, when it is present.

onEnterMonitor

fun onEnterMonitor(connectFlags: <Error class: unknown class> = ConnectFlags(0u), handler: (monitor: Monitor) -> Unit): <Error class: unknown class>

Emitted when @surface starts being present on the monitor.

onEvent

fun onEvent(connectFlags: <Error class: unknown class> = ConnectFlags(0u), handler: (event: Event) -> Boolean): <Error class: unknown class>

Emitted when GDK receives an input event for @surface.

onLayout

fun onLayout(connectFlags: <Error class: unknown class> = ConnectFlags(0u), handler: (<Error class: unknown class>, <Error class: unknown class>) -> Unit): <Error class: unknown class>

Emitted when the size of @surface is changed, or when relayout should be performed.

onLeaveMonitor

fun onLeaveMonitor(connectFlags: <Error class: unknown class> = ConnectFlags(0u), handler: (monitor: Monitor) -> Unit): <Error class: unknown class>

Emitted when @surface stops being present on the monitor.

onRender

fun onRender(connectFlags: <Error class: unknown class> = ConnectFlags(0u), handler: (<Error class: unknown class>) -> Boolean): <Error class: unknown class>

Emitted when part of the surface needs to be redrawn.

present

open fun present(layout: ToplevelLayout)

Present @toplevel after having processed the GdkToplevelLayout rules.

queueRender

open fun queueRender()

Forces a signal@Gdk.Surface::render signal emission for @surface to be scheduled.

requestLayout

open fun requestLayout()

Request a layout phase from the surface's frame clock.

restoreSystemShortcuts

open fun restoreSystemShortcuts()