proper size of chat box

src/main/java/de/bixilon/minosoft/gui/rendering/hud/elements/chat/ChatBoxHUDElement.kt

@@ -45,7 +45,8 @@ class ChatBoxHUDElement(hudRenderer: HUDRenderer) : HUDElement(hudRenderer) {
     }
 
     override fun screenChangeResizeCallback(screenDimensions: Vec2i) {
-        layout.fakeX = screenDimensions.x
+        layout.fakeX = screenDimensions.x - 2 // 1 pixel padding on every side
+        inputField.fakeX = layout.fakeX
     }
 
     fun openChat() {

src/main/java/de/bixilon/minosoft/gui/rendering/hud/elements/input/TextField.kt

@@ -15,7 +15,9 @@ package de.bixilon.minosoft.gui.rendering.hud.elements.input
 
 import de.bixilon.minosoft.config.key.KeyCodes
 import de.bixilon.minosoft.data.text.ChatComponent
+import de.bixilon.minosoft.gui.rendering.RenderConstants
 import de.bixilon.minosoft.gui.rendering.font.Font
+import de.bixilon.minosoft.gui.rendering.hud.elements.primitive.ImageElement
 import de.bixilon.minosoft.gui.rendering.hud.elements.primitive.Layout
 import de.bixilon.minosoft.gui.rendering.hud.elements.primitive.TextElement
 import de.bixilon.minosoft.util.MMath
@@ -26,11 +28,11 @@ open class TextField(
     z: Int = 0,
     font: Font,
     defaultText: String = "",
-    val maxLength: Int = 256,
+    var maxLength: Int = 256,
 ) : Layout(start, z), KeyConsumer, MouseConsumer {
     override var focused: Boolean = true
     private var textBuilder: StringBuilder = StringBuilder(defaultText)
-    private val textElement = TextElement(ChatComponent.valueOf(raw = text), font)
+    private val textElement = TextElement(ChatComponent.valueOf(raw = text), font, background = false)
     private var position = text.length
 
     var text: String
@@ -43,6 +45,7 @@ open class TextField(
 
     init {
         addChild(textElement)
+        addChild(ImageElement(Vec2i(0, 0), null, Vec2i(-1), z, RenderConstants.TEXT_BACKGROUND_COLOR))
     }
 
     fun clearText() {

src/main/java/de/bixilon/minosoft/gui/rendering/hud/elements/primitive/Element.kt

@@ -33,7 +33,7 @@ abstract class Element(
 
     val cache = HUDCacheMesh(initialCacheSize)
     open var parent: Element? = null
-    var size: Vec2i = Vec2i()
+    open var size: Vec2i = Vec2i()
 
     abstract fun recalculateSize()
 

src/main/java/de/bixilon/minosoft/gui/rendering/hud/elements/primitive/ImageElement.kt

@@ -52,7 +52,19 @@ class ImageElement(
     override fun prepareCache(start: Vec2i, scaleFactor: Float, matrix: Mat4, z: Int) {
         val ourStart = addToStart(start, this.start * scaleFactor)
         val modelStart = matrix * Vec4(RenderConstants.PIXEL_UV_PIXEL_ADD + ourStart, 1.0f, 1.0f)
-        val ourEnd = addToEnd(start, this.end * scaleFactor)
+        val realEnd = Vec2i(
+            x = if (end.x == -1) {
+                parent!!.size.x
+            } else {
+                end.x * scaleFactor
+            },
+            y = if (end.y == -1) {
+                parent!!.size.y
+            } else {
+                end.y * scaleFactor
+            }
+        )
+        val ourEnd = addToEnd(start, realEnd)
         val modelEnd = matrix * Vec4(RenderConstants.PIXEL_UV_PIXEL_ADD + ourEnd, 1.0f, 1.0f)
 
         val uvStart = textureLike?.uvStart ?: Vec2()

src/main/java/de/bixilon/minosoft/gui/rendering/hud/elements/primitive/Layout.kt

@@ -20,6 +20,11 @@ open class Layout(
     start: Vec2i,
     val z: Int,
 ) : Element(start) {
+    override var size: Vec2i
+        get() = Vec2i(fakeX ?: super.size.x, fakeY ?: super.size.y)
+        set(value) {
+            super.size = value
+        }
     private val children: MutableList<Element> = mutableListOf()
     var fakeX: Int? = null
     var fakeY: Int? = null
@@ -80,7 +85,6 @@ open class Layout(
         }
         if (changed) {
             clearCache()
-
         }
     }
 

src/main/java/de/bixilon/minosoft/gui/rendering/hud/elements/primitive/TextElement.kt

@@ -46,9 +46,10 @@ class TextElement(
 
     private fun prepare() {
         clear()
-        size = if (text.message.isBlank()) {
+        if (text.message.isBlank()) {
-            Vec2i(0, Font.CHAR_HEIGHT)
+            fakeY = Font.CHAR_HEIGHT
         } else {
+            fakeY = null
             val textSize = Vec2i(0, 0)
             text.prepareRender(Vec2i(1, 1), Vec2i(), font, this, this.z + z + 1, textSize)
             finishBatchAdd()
@@ -56,7 +57,6 @@ class TextElement(
             if (background) {
                 drawBackground(textSize + 1, z)
             }
-            Vec2i(textSize + 1)
         }
     }