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Unverified Commit f49e7468 authored by Shagen Ogandzhanian's avatar Shagen Ogandzhanian Committed by GitHub
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Remove js/wasm events handling from skiko (almost) completely (#864) 

This is first part of achieving goal of COMPOSE-891
parent 21d7a12b
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skiko/src/jsMain/kotlin/org/jetbrains/skiko/Convertors.js.kt deleted 100644 → 0
View file @ 21d7a12b
package org.jetbrains.skiko
import org.w3c.dom.TouchEvent
import org.w3c.dom.asList
import org.w3c.dom.events.KeyboardEvent
import org.w3c.dom.events.MouseEvent
import org.w3c.dom.events.WheelEvent
internal fun toSkikoEvent(
event: MouseEvent,
kind: SkikoPointerEventKind
): SkikoPointerEvent {
return SkikoPointerEvent(
x = event.offsetX,
y = event.offsetY,
pressedButtons = toSkikoPressedMouseButtons(event, kind),
button = toSkikoMouseButton(event),
modifiers = toSkikoModifiers(event),
kind = kind,
timestamp = getEventTimestamp(event),
platform = event
)
}
internal fun toSkikoDragEvent(
event: MouseEvent
): SkikoPointerEvent {
return SkikoPointerEvent(
x = event.offsetX,
y = event.offsetY,
pressedButtons = SkikoMouseButtons(buttonsFlags),
button = toSkikoMouseButton(event),
modifiers = toSkikoModifiers(event),
kind = SkikoPointerEventKind.DRAG,
timestamp = getEventTimestamp(event),
platform = event
)
}
internal fun toSkikoEvent(
event: TouchEvent,
kind: SkikoPointerEventKind,
offsetX: Double,
offsetY: Double
): SkikoPointerEvent {
val touches = event.changedTouches.asList()
val pointers = touches.map { touch ->
val x = touch.clientX.toDouble() - offsetX
val y = touch.clientY.toDouble() - offsetY
val force = touch.asDynamic().force as Double
SkikoPointer(
x = x,
y = y,
pressed = kind in listOf(SkikoPointerEventKind.DOWN, SkikoPointerEventKind.MOVE),
device = SkikoPointerDevice.TOUCH,
id = touch.identifier.toLong(),
pressure = force
)
}
return SkikoPointerEvent(
x = pointers.centroidX,
y = pointers.centroidY,
kind = kind,
timestamp = (currentNanoTime() / 1E6).toLong(),
pointers = pointers,
platform = event
)
}
internal fun toSkikoTypeEvent(
character: String,
event: KeyboardEvent?,
): SkikoInputEvent? {
return if (SPECIAL_KEYS.contains(character)) {
null
} else {
val input = when (character) {
"Enter" -> "\n"
"Tab" -> "\t"
else -> character
}
val key = if (event != null) SkikoKey.valueOf(event.keyCode) else SkikoKey.KEY_UNKNOWN
val modifiers = if (event != null) toSkikoModifiers(event) else SkikoInputModifiers.EMPTY
SkikoInputEvent(
input,
key,
modifiers,
SkikoKeyboardEventKind.TYPE,
event
)
}
}
internal fun toSkikoEvent(
event: KeyboardEvent,
kind: SkikoKeyboardEventKind
): SkikoKeyboardEvent {
return SkikoKeyboardEvent(
SkikoKey.valueOf(toSkikoKey(event)),
toSkikoModifiers(event),
kind,
getEventTimestamp(event),
event
)
}
internal fun toSkikoScrollEvent(
event: WheelEvent,
): SkikoPointerEvent {
return SkikoPointerEvent(
x = event.offsetX,
y = event.offsetY,
deltaX = event.deltaX,
deltaY = event.deltaY,
pressedButtons = SkikoMouseButtons(buttonsFlags),
button = SkikoMouseButtons.NONE,
modifiers = toSkikoModifiers(event),
kind = SkikoPointerEventKind.SCROLL,
timestamp = getEventTimestamp(event),
platform = event
)
}
private var buttonsFlags = 0
private fun toSkikoPressedMouseButtons(
event: MouseEvent,
kind: SkikoPointerEventKind
): SkikoMouseButtons {
// https://www.w3schools.com/jsref/event_button.asp
val button = event.button.toInt()
if (kind == SkikoPointerEventKind.DOWN) {
buttonsFlags = buttonsFlags.or(getSkikoButtonValue(button))
return SkikoMouseButtons(buttonsFlags)
}
buttonsFlags = buttonsFlags.xor(getSkikoButtonValue(button))
return SkikoMouseButtons(buttonsFlags)
}
private fun toSkikoMouseButton(event: MouseEvent): SkikoMouseButtons {
return SkikoMouseButtons(getSkikoButtonValue(event.button.toInt()))
}
private fun getSkikoButtonValue(button: Int): Int {
return when (button) {
0 -> SkikoMouseButtons.LEFT.value
1 -> SkikoMouseButtons.MIDDLE.value
2 -> SkikoMouseButtons.RIGHT.value
3 -> SkikoMouseButtons.BUTTON_4.value
4 -> SkikoMouseButtons.BUTTON_5.value
else -> 0
}
}
private fun toSkikoModifiers(event: MouseEvent): SkikoInputModifiers {
var result = 0
if (event.altKey) {
result = result.or(SkikoInputModifiers.ALT.value)
}
if (event.shiftKey) {
result = result.or(SkikoInputModifiers.SHIFT.value)
}
if (event.ctrlKey) {
result = result.or(SkikoInputModifiers.CONTROL.value)
}
if (event.metaKey) {
result = result.or(SkikoInputModifiers.META.value)
}
return SkikoInputModifiers(result)
}
private fun toSkikoModifiers(event: KeyboardEvent): SkikoInputModifiers {
var result = 0
if (event.altKey) {
result = result.or(SkikoInputModifiers.ALT.value)
}
if (event.shiftKey) {
result = result.or(SkikoInputModifiers.SHIFT.value)
}
if (event.ctrlKey) {
result = result.or(SkikoInputModifiers.CONTROL.value)
}
if (event.metaKey) {
result = result.or(SkikoInputModifiers.META.value)
}
return SkikoInputModifiers(result)
}
private fun toSkikoKey(event: KeyboardEvent): Int {
var key = event.keyCode
val side = event.location
if (side == KeyboardEvent.DOM_KEY_LOCATION_RIGHT) {
if (
key == SkikoKey.KEY_LEFT_CONTROL.platformKeyCode ||
key == SkikoKey.KEY_LEFT_SHIFT.platformKeyCode ||
key == SkikoKey.KEY_LEFT_META.platformKeyCode
)
key = key.or(0x80000000.toInt())
}
return key
}
\ No newline at end of file
skiko/src/jsMain/kotlin/org/jetbrains/skiko/SkiaLayer.js.kt
View file @ f49e7468
package org.jetbrains.skiko
import kotlinx.browser.window
import org.jetbrains.skiko.w3c.HTMLCanvasElement
import org.w3c.dom.TouchEvent
import org.w3c.dom.events.KeyboardEvent
import org.w3c.dom.events.MouseEvent
import org.w3c.dom.events.WheelEvent
import org.w3c.dom.events.UIEvent
internal actual fun SkiaLayer.bindCanvasEventsToSkikoView(
canvas: HTMLCanvasElement
) {
val htmlCanvas = canvas.unsafeCast<org.w3c.dom.HTMLCanvasElement>()
var offsetX = 0.0
var offsetY = 0.0
htmlCanvas.addEventListener("touchstart", { event ->
event.preventDefault()
event as TouchEvent
htmlCanvas.getBoundingClientRect().apply {
offsetX = left
offsetY = top
}
skikoView?.onPointerEvent(toSkikoEvent(event, SkikoPointerEventKind.DOWN, offsetX, offsetY))
})
htmlCanvas.addEventListener("touchmove", { event ->
event.preventDefault()
event as TouchEvent
skikoView?.onPointerEvent(toSkikoEvent(event, SkikoPointerEventKind.MOVE, offsetX, offsetY))
})
htmlCanvas.addEventListener("touchend", { event ->
event.preventDefault()
event as TouchEvent
skikoView?.onPointerEvent(toSkikoEvent(event, SkikoPointerEventKind.UP, offsetX, offsetY))
})
htmlCanvas.addEventListener("touchcancel", { event ->
event.preventDefault()
event as TouchEvent
skikoView?.onPointerEvent(toSkikoEvent(event, SkikoPointerEventKind.UP, offsetX, offsetY))
})
htmlCanvas.addEventListener("mousedown", { event ->
event as MouseEvent
isPointerPressed = true
skikoView?.onPointerEvent(toSkikoEvent(event, SkikoPointerEventKind.DOWN))
})
htmlCanvas.addEventListener("mouseup", { event ->
event as MouseEvent
isPointerPressed = false
skikoView?.onPointerEvent(toSkikoEvent(event, SkikoPointerEventKind.UP))
})
htmlCanvas.addEventListener("mousemove", { event ->
event as MouseEvent
if (isPointerPressed) {
skikoView?.onPointerEvent(toSkikoDragEvent(event))
} else {
skikoView?.onPointerEvent(toSkikoEvent(event, SkikoPointerEventKind.MOVE))
}
})
htmlCanvas.addEventListener("wheel", { event ->
event as WheelEvent
skikoView?.onPointerEvent(toSkikoScrollEvent(event))
})
htmlCanvas.addEventListener("contextmenu", { event ->
event.preventDefault()
})
htmlCanvas.addEventListener("keydown", { event ->
event as KeyboardEvent
skikoView?.onKeyboardEvent(toSkikoEvent(event, SkikoKeyboardEventKind.DOWN))
toSkikoTypeEvent(event.key, event)?.let { inputEvent ->
skikoView?.input?.onInputEvent(inputEvent)
}
})
htmlCanvas.addEventListener("keyup", { event ->
event as KeyboardEvent
skikoView?.onKeyboardEvent(toSkikoEvent(event, SkikoKeyboardEventKind.UP))
})
}
actual typealias SkikoGesturePlatformEvent = Any
actual typealias SkikoPlatformInputEvent = KeyboardEvent
actual typealias SkikoPlatformKeyboardEvent = KeyboardEvent
......
skiko/src/jsWasmMain/kotlin/org/jetbrains/skiko/SkiaLayer.js.kt
View file @ f49e7468
......@@ -101,7 +101,6 @@ actual open class SkiaLayer {
}.apply { initCanvas(desiredWidth, desiredHeight, contentScale, pixelGeometry) }
// See https://www.w3schools.com/jsref/dom_obj_event.asp
// https://developer.mozilla.org/en-US/docs/Web/API/Pointer_events
bindCanvasEventsToSkikoView(htmlCanvas)
}
internal actual fun draw(canvas: Canvas) {
......@@ -115,5 +114,4 @@ actual open class SkiaLayer {
}
internal expect fun SkiaLayer.bindCanvasEventsToSkikoView(canvas: HTMLCanvasElement)
internal expect fun SkiaLayer.setOnChangeScaleNotifier()
skiko/src/wasmJsMain/kotlin/org/jetbrains/skiko/Convertors.wasm.kt deleted 100644 → 0
View file @ 21d7a12b
package org.jetbrains.skiko
import org.w3c.dom.TouchEvent
import org.w3c.dom.asList
import org.w3c.dom.events.KeyboardEvent
import org.w3c.dom.events.MouseEvent
import org.w3c.dom.events.WheelEvent
internal external abstract class ExtendedTouchEvent: TouchEvent {
val force: Double
}
internal fun toSkikoEvent(
event: TouchEvent,
kind: SkikoPointerEventKind,
offsetX: Double,
offsetY: Double
): SkikoPointerEvent {
val touches = event.changedTouches.asList()
val pointers = touches.map { touch ->
val x = touch.clientX.toDouble() - offsetX
val y = touch.clientY.toDouble() - offsetY
val force = touch.unsafeCast<ExtendedTouchEvent>().force
SkikoPointer(
x = x,
y = y,
pressed = kind in listOf(SkikoPointerEventKind.DOWN, SkikoPointerEventKind.MOVE),
device = SkikoPointerDevice.TOUCH,
id = touch.identifier.toLong(),
pressure = force
)
}
return SkikoPointerEvent(
x = pointers.centroidX,
y = pointers.centroidY,
kind = kind,
timestamp = (currentNanoTime() / 1E6).toLong(),
pointers = pointers,
platform = event
)
}
internal fun toSkikoEvent(
event: MouseEvent,
kind: SkikoPointerEventKind
): SkikoPointerEvent {
return SkikoPointerEvent(
x = event.offsetX,
y = event.offsetY,
pressedButtons = toSkikoPressedMouseButtons(event, kind),
button = toSkikoMouseButton(event),
modifiers = toSkikoModifiers(event),
kind = kind,
timestamp = getEventTimestamp(event),
platform = event
)
}
internal fun toSkikoDragEvent(
event: MouseEvent
): SkikoPointerEvent {
return SkikoPointerEvent(
x = event.offsetX,
y = event.offsetY,
pressedButtons = SkikoMouseButtons(buttonsFlags),
button = toSkikoMouseButton(event),
modifiers = toSkikoModifiers(event),
kind = SkikoPointerEventKind.DRAG,
timestamp = getEventTimestamp(event),
platform = event
)
}
internal fun toSkikoTypeEvent(
character: String,
event: KeyboardEvent?,
): SkikoInputEvent? {
return if (SPECIAL_KEYS.contains(character)) {
null
} else {
val input = when (character) {
"Enter" -> "\n"
"Tab" -> "\t"
else -> character
}
val key = if (event != null) SkikoKey.valueOf(event.keyCode) else SkikoKey.KEY_UNKNOWN
val modifiers = if (event != null) toSkikoModifiers(event) else SkikoInputModifiers.EMPTY
SkikoInputEvent(
input,
key,
modifiers,
SkikoKeyboardEventKind.TYPE,
event
)
}
}
internal fun toSkikoEvent(
event: KeyboardEvent,
kind: SkikoKeyboardEventKind
): SkikoKeyboardEvent {
return SkikoKeyboardEvent(
SkikoKey.valueOf(toSkikoKey(event)),
toSkikoModifiers(event),
kind,
getEventTimestamp(event),
event
)
}
internal fun toSkikoScrollEvent(
event: WheelEvent,
): SkikoPointerEvent {
return SkikoPointerEvent(
x = event.offsetX,
y = event.offsetY,
deltaX = event.deltaX,
deltaY = event.deltaY,
pressedButtons = SkikoMouseButtons(buttonsFlags),
button = SkikoMouseButtons.NONE,
modifiers = toSkikoModifiers(event),
kind = SkikoPointerEventKind.SCROLL,
timestamp = getEventTimestamp(event),
platform = event
)
}
private var buttonsFlags = 0
private fun toSkikoPressedMouseButtons(
event: MouseEvent,
kind: SkikoPointerEventKind
): SkikoMouseButtons {
// https://www.w3schools.com/jsref/event_button.asp
val button = event.button.toInt()
if (kind == SkikoPointerEventKind.DOWN) {
buttonsFlags = buttonsFlags.or(getSkikoButtonValue(button))
return SkikoMouseButtons(buttonsFlags)
}
buttonsFlags = buttonsFlags.xor(getSkikoButtonValue(button))
return SkikoMouseButtons(buttonsFlags)
}
private fun toSkikoMouseButton(event: MouseEvent): SkikoMouseButtons {
return SkikoMouseButtons(getSkikoButtonValue(event.button.toInt()))
}
private fun getSkikoButtonValue(button: Int): Int {
return when (button) {
0 -> SkikoMouseButtons.LEFT.value
1 -> SkikoMouseButtons.MIDDLE.value
2 -> SkikoMouseButtons.RIGHT.value
3 -> SkikoMouseButtons.BUTTON_4.value
4 -> SkikoMouseButtons.BUTTON_5.value
else -> 0
}
}
private fun toSkikoModifiers(event: MouseEvent): SkikoInputModifiers {
var result = 0
if (event.altKey) {
result = result.or(SkikoInputModifiers.ALT.value)
}
if (event.shiftKey) {
result = result.or(SkikoInputModifiers.SHIFT.value)
}
if (event.ctrlKey) {
result = result.or(SkikoInputModifiers.CONTROL.value)
}
if (event.metaKey) {
result = result.or(SkikoInputModifiers.META.value)
}
return SkikoInputModifiers(result)
}
private fun toSkikoModifiers(event: KeyboardEvent): SkikoInputModifiers {
var result = 0
if (event.altKey) {
result = result.or(SkikoInputModifiers.ALT.value)
}
if (event.shiftKey) {
result = result.or(SkikoInputModifiers.SHIFT.value)
}
if (event.ctrlKey) {
result = result.or(SkikoInputModifiers.CONTROL.value)
}
if (event.metaKey) {
result = result.or(SkikoInputModifiers.META.value)
}
return SkikoInputModifiers(result)
}
private fun toSkikoKey(event: KeyboardEvent): Int {
var key = event.keyCode
val side = event.location
if (side == KeyboardEvent.DOM_KEY_LOCATION_RIGHT) {
if (
key == SkikoKey.KEY_LEFT_CONTROL.platformKeyCode ||
key == SkikoKey.KEY_LEFT_SHIFT.platformKeyCode ||
key == SkikoKey.KEY_LEFT_META.platformKeyCode
)
key = key.or(0x80000000.toInt())
}
return key
}
\ No newline at end of file
skiko/src/wasmJsMain/kotlin/org/jetbrains/skiko/SkiaLayer.js.wasmJs.kt
View file @ f49e7468
package org.jetbrains.skiko
import kotlinx.browser.window
import org.jetbrains.skiko.w3c.HTMLCanvasElement
import org.w3c.dom.TouchEvent
import org.w3c.dom.events.KeyboardEvent
import org.w3c.dom.events.MouseEvent
import org.w3c.dom.events.UIEvent
import org.w3c.dom.events.WheelEvent
internal actual fun SkiaLayer.bindCanvasEventsToSkikoView(
canvas: HTMLCanvasElement
) {
val htmlCanvas = canvas as org.w3c.dom.HTMLCanvasElement
var offsetX = 0.0
var offsetY = 0.0
htmlCanvas.addEventListener("touchstart", { event ->
event.preventDefault()
event as TouchEvent
htmlCanvas.getBoundingClientRect().apply {
offsetX = left
offsetY = top
}
skikoView?.onPointerEvent(toSkikoEvent(event, SkikoPointerEventKind.DOWN, offsetX, offsetY))
})
htmlCanvas.addEventListener("touchmove", { event ->
event.preventDefault()
event as TouchEvent
skikoView?.onPointerEvent(toSkikoEvent(event, SkikoPointerEventKind.MOVE, offsetX, offsetY))
})
htmlCanvas.addEventListener("touchend", { event ->
event.preventDefault()
event as TouchEvent
skikoView?.onPointerEvent(toSkikoEvent(event, SkikoPointerEventKind.UP, offsetX, offsetY))
})
htmlCanvas.addEventListener("touchcancel", { event ->
event.preventDefault()
event as TouchEvent
skikoView?.onPointerEvent(toSkikoEvent(event, SkikoPointerEventKind.UP, offsetX, offsetY))
})
htmlCanvas.addEventListener("mousedown", { event ->
event as MouseEvent
isPointerPressed = true
skikoView?.onPointerEvent(toSkikoEvent(event, SkikoPointerEventKind.DOWN))
})
htmlCanvas.addEventListener("mouseup", { event ->
event as MouseEvent
isPointerPressed = false
skikoView?.onPointerEvent(toSkikoEvent(event, SkikoPointerEventKind.UP))
})
htmlCanvas.addEventListener("mousemove", { event ->
event as MouseEvent
if (isPointerPressed) {
skikoView?.onPointerEvent(toSkikoDragEvent(event))
} else {
skikoView?.onPointerEvent(toSkikoEvent(event, SkikoPointerEventKind.MOVE))
}
})
htmlCanvas.addEventListener("wheel", { event ->
event as WheelEvent
skikoView?.onPointerEvent(toSkikoScrollEvent(event))
})
htmlCanvas.addEventListener("contextmenu", { event ->
event.preventDefault()
})
htmlCanvas.addEventListener("keydown", { event ->
event as KeyboardEvent
skikoView?.onKeyboardEvent(toSkikoEvent(event, SkikoKeyboardEventKind.DOWN))
toSkikoTypeEvent(event.key, event)?.let { inputEvent ->
skikoView?.input?.onInputEvent(inputEvent)
}
})
htmlCanvas.addEventListener("keyup", { event ->
event as KeyboardEvent
skikoView?.onKeyboardEvent(toSkikoEvent(event, SkikoKeyboardEventKind.UP))
})
}
actual typealias SkikoGesturePlatformEvent = Any
actual typealias SkikoPlatformInputEvent = KeyboardEvent
actual typealias SkikoPlatformKeyboardEvent = KeyboardEvent
// MouseEvent is base class of PointerEvent
actual typealias SkikoPlatformPointerEvent = UIEvent
internal actual fun SkiaLayer.setOnChangeScaleNotifier() {
......
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