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text input: pointer

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Bixilon 2022-02-02 22:22:39 +01:00
parent 3fd2433d75
commit f46b736d6b
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GPG Key ID: 5CAD791931B09AC4
1 changed files with 53 additions and 8 deletions
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src/main/java/de/bixilon/minosoft/gui/rendering/gui/gui/elements/TextInputElement.kt
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@ -18,8 +18,10 @@ import de.bixilon.minosoft.gui.rendering.gui.GUIRenderer
import de.bixilon.minosoft.gui.rendering.gui.elements.Element
import de.bixilon.minosoft.gui.rendering.gui.elements.primitive.ColorElement
import de.bixilon.minosoft.gui.rendering.gui.elements.text.TextElement
import de.bixilon.minosoft.gui.rendering.gui.input.InputSpecialKey
import de.bixilon.minosoft.gui.rendering.gui.mesh.GUIVertexConsumer
import de.bixilon.minosoft.gui.rendering.gui.mesh.GUIVertexOptions
import de.bixilon.minosoft.gui.rendering.system.window.KeyChangeTypes
import de.bixilon.minosoft.gui.rendering.util.vec.vec2.Vec2iUtil.EMPTY
import glm_.vec2.Vec2i
@ -29,14 +31,18 @@ class TextInputElement(
) : Element(guiRenderer) {
private val textElement = TextElement(guiRenderer, "", background = false, parent = this)
private val background = ColorElement(guiRenderer, Vec2i.EMPTY, RenderConstants.TEXT_BACKGROUND_COLOR)
var value: String = ""
private var _value: String = ""
var value: String
get() = _value
set(value) {
if (field == value) {
if (_value == value) {
return
}
field = value
forceSilentApply()
_value = value
forceApply()
pointer = 0
}
private var pointer = 0
override fun forceRender(offset: Vec2i, z: Int, consumer: GUIVertexConsumer, options: GUIVertexOptions?): Int {
background.render(offset, z, consumer, options)
@ -44,17 +50,56 @@ class TextInputElement(
}
override fun forceSilentApply() {
textElement.text = value
textElement.text = _value
textElement.silentApply()
background.size = Vec2i(prefMaxSize.x, prefMaxSize.y)
cacheUpToDate = false
}
override fun onCharPress(char: Int) {
if (value.length >= maxLength) {
if (_value.length >= maxLength) {
return
}
value += char.toChar()
forceSilentApply()
if (char == '§'.code) {
return
}
_value = _value.substring(0, pointer) + char.toChar() + _value.substring(pointer, _value.length)
pointer++
forceApply()
}
override fun onSpecialKey(key: InputSpecialKey, type: KeyChangeTypes) {
if (type == KeyChangeTypes.RELEASE) {
return
}
when (key) {
InputSpecialKey.KEY_BACKSPACE -> {
if (pointer == 0 || _value.isEmpty()) {
return
}
_value = _value.removeRange(pointer - 1, pointer)
pointer--
}
InputSpecialKey.KEY_DELETE -> {
if (pointer == _value.length || _value.isEmpty()) {
return
}
_value = _value.removeRange(pointer, pointer + 1)
}
InputSpecialKey.KEY_LEFT -> {
if (pointer == 0) {
return
}
pointer--
}
InputSpecialKey.KEY_RIGHT -> {
if (pointer == _value.length) {
return
}
pointer++
}
else -> return
}
forceApply()
}
}