feat: surface changePage events

Author: Julusian

packages/companion-surface-base/src/surface-api/context.ts

@@ -17,5 +17,7 @@ export interface SurfaceContext {
 	rotateLeftById(controlId: string): void
 	rotateRightById(controlId: string): void
 
+	changePage(forward: boolean): void
+
 	sendVariableValue(variable: string, value: any): void
 }

packages/companion-surface-host/src/context.ts

@@ -28,6 +28,8 @@ export interface HostSurfaceEvents {
 	readonly inputPress: (surfaceId: string, controlId: string, pressed: boolean) => void
 	readonly inputRotate: (surfaceId: string, controlId: string, delta: number) => void
 
+	readonly changePage: (surfaceId: string, forward: boolean) => void
+
 	readonly setVariableValue: (surfaceId: string, name: string, value: any) => void
 
 	readonly pincodeEntry: (surfaceId: string, char: number) => void

packages/companion-surface-host/src/surfaceProxy.ts

@@ -442,6 +442,12 @@ export class SurfaceProxyContext implements SurfaceContext {
 		this.#host.surfaceEvents.inputRotate(this.#surfaceId, controlId, 1)
 	}
 
+	changePage(forward: boolean): void {
+		if (this.#isLocked) return
+
+		this.#host.surfaceEvents.changePage(this.#surfaceId, forward)
+	}
+
 	// eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
 	sendVariableValue(variable: string, value: any): void {
 		if (this.#isLocked) return