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This commit is contained in:
Willi Ye
2020-10-05 12:04:57 +02:00
committed by ◱ PixelyIon
parent 7526a985fb
commit f479aeb4ac
21 changed files with 72 additions and 81 deletions
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36
app/src/main/java/emu/skyline/input/onscreen/OnScreenButton.kt
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@ -11,9 +11,11 @@ import android.graphics.Paint
import android.graphics.Rect
import androidx.core.content.ContextCompat
import emu.skyline.input.ButtonId
import kotlin.math.absoluteValue
import kotlin.math.roundToInt
/**
* Converts relative values, such as coordinates and boundaries, to their absolute counterparts, also handles layout modifications like scaling and custom positioning
*/
abstract class OnScreenButton(
onScreenControllerView : OnScreenControllerView,
val buttonId : ButtonId,
@ -47,7 +49,11 @@ abstract class OnScreenButton(
var height = 0
protected val adjustedHeight get() = width / CONFIGURED_ASPECT_RATIO
protected val heightDiff get() = (height - adjustedHeight).absoluteValue
/**
* Buttons should be at bottom when device have large height than [adjustedHeight]
*/
protected val heightDiff get() = (height - adjustedHeight).coerceAtLeast(0f)
protected val itemWidth get() = width * relativeWidth
private val itemHeight get() = adjustedHeight * relativeHeight
@ -58,37 +64,23 @@ abstract class OnScreenButton(
private val left get() = currentX - itemWidth / 2f
private val top get() = currentY - itemHeight / 2f
protected val currentBounds
get() = Rect(
left.roundToInt(),
top.roundToInt(),
(left + itemWidth).roundToInt(),
(top + itemHeight).roundToInt()
)
protected val currentBounds get() = Rect(left.roundToInt(), top.roundToInt(), (left + itemWidth).roundToInt(), (top + itemHeight).roundToInt())
/**
* Keeps track of finger when there are multiple touches
*/
var touchPointerId = -1
var isEditing = false
private set
protected open fun renderCenteredText(
canvas : Canvas,
text : String,
size : Float,
x : Float,
y : Float
) {
protected open fun renderCenteredText(canvas : Canvas, text : String, size : Float, x : Float, y : Float) {
buttonSymbolPaint.apply {
textSize = size
textAlign = Paint.Align.LEFT
getTextBounds(text, 0, text.length, textBoundsRect)
}
canvas.drawText(
text,
x - textBoundsRect.width() / 2f - textBoundsRect.left,
y + textBoundsRect.height() / 2f - textBoundsRect.bottom,
buttonSymbolPaint
)
canvas.drawText(text, x - textBoundsRect.width() / 2f - textBoundsRect.left, y + textBoundsRect.height() / 2f - textBoundsRect.bottom, buttonSymbolPaint)
}
open fun render(canvas : Canvas) {