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fix: text cursor darting around everywhere

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This commit is contained in:
minjaesong
2024-03-22 22:15:27 +09:00
parent 6d2764933f
commit c87bd182b0
1 changed files with 22 additions and 13 deletions
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35
src/net/torvald/terrarum/ui/UIItemTextLineInput.kt
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@@ -1,7 +1,6 @@
package net.torvald.terrarum.ui
import com.badlogic.gdx.Input
import com.badlogic.gdx.graphics.Camera
import com.badlogic.gdx.graphics.Color
import com.badlogic.gdx.graphics.OrthographicCamera
import com.badlogic.gdx.graphics.Pixmap
@@ -194,7 +193,7 @@ class UIItemTextLineInput(
cursorOn = true
}
private fun moveCursorBack(delta: Int) {
private fun __moveCursorBackward(delta: Int) {
cursorDrawX -= delta
if (cursorDrawX < 0) {
val stride = -cursorDrawX + min(256, fbo.width * 40 / 100) // + lookbehind term
@@ -203,12 +202,15 @@ class UIItemTextLineInput(
}
// make sure to not scroll past the line head
if (cursorDrawScroll < 0) {
cursorDrawX += cursorDrawScroll
cursorDrawX = 0
cursorDrawScroll = 0
}
else if (cursorDrawScroll == 0 && cursorDrawX < 0) {
cursorDrawX = 0
}
}
private fun moveCursorForward(delta: Int) {
private fun __moveCursorForward(delta: Int) {
cursorDrawX += delta
if (cursorDrawX > fbo.width) {
val stride = cursorDrawX - fbo.width
@@ -217,11 +219,16 @@ class UIItemTextLineInput(
}
}
private fun moveCursorBy(delta: Int) {
if (delta > 0) __moveCursorForward(delta)
else if (delta < 0) __moveCursorBackward(-delta)
}
/*private fun moveCursorToEnd(stride: Int) {
try {
cursorX += stride
currentTextLenPx = App.fontGame.getWidth(CodepointSequence(textbuf.subList(0, cursorX)))
moveCursorForward(currentTextLenPx - oldTextLenPx)
moveCursorBy(currentTextLenPx - oldTextLenPx)
oldTextLenPx = currentTextLenPx
}
catch (e: Throwable) {}
@@ -241,7 +248,7 @@ class UIItemTextLineInput(
}
currentTextLenPx = App.fontGame.getWidth(CodepointSequence(textbuf.subList(0, cursorX)))
moveCursorBack(oldTextLenPx - currentTextLenPx)
moveCursorBy(currentTextLenPx - oldTextLenPx)
oldTextLenPx = currentTextLenPx
}
}
@@ -300,7 +307,7 @@ class UIItemTextLineInput(
textbuf.addAll(cursorX, codepoints)
cursorX += codepoints.size
currentTextLenPx = App.fontGame.getWidth(CodepointSequence(textbuf.subList(0, cursorX)))
moveCursorForward(currentTextLenPx - oldTextLenPx)
moveCursorBy(currentTextLenPx - oldTextLenPx)
oldTextLenPx = currentTextLenPx
}
}
@@ -322,7 +329,7 @@ class UIItemTextLineInput(
if (cursorX > 0) {
cursorX -= 1
currentTextLenPx = App.fontGame.getWidth(CodepointSequence(textbuf.subList(0, cursorX)))
moveCursorBack(oldTextLenPx - currentTextLenPx)
moveCursorBy(currentTextLenPx - oldTextLenPx)
oldTextLenPx = currentTextLenPx
}
}
@@ -332,12 +339,13 @@ class UIItemTextLineInput(
if (cursorX < textbuf.size) {
cursorX += 1
currentTextLenPx = App.fontGame.getWidth(CodepointSequence(textbuf.subList(0, cursorX)))
moveCursorForward(currentTextLenPx - oldTextLenPx)
moveCursorBy(currentTextLenPx - oldTextLenPx)
oldTextLenPx = currentTextLenPx
}
}
else if (keycodes.containsSome(Input.Keys.ENTER, Input.Keys.NUMPAD_ENTER)) {
endComposing()
oldTextLenPx = 0
// println("END COMPOSING!!")
}
@@ -380,7 +388,7 @@ class UIItemTextLineInput(
textbuf.addAll(cursorX, codepoints)
cursorX += codepoints.size
currentTextLenPx = App.fontGame.getWidth(CodepointSequence(textbuf.subList(0, cursorX)))
moveCursorForward(currentTextLenPx - oldTextLenPx)
moveCursorBy(currentTextLenPx - oldTextLenPx)
oldTextLenPx = currentTextLenPx
}
}
@@ -505,7 +513,7 @@ class UIItemTextLineInput(
textbuf.addAll(actuallyInserted)
cursorX += codepoints.size
currentTextLenPx = App.fontGame.getWidth(CodepointSequence(textbuf.subList(0, minOf(cursorX, textbuf.size))))
moveCursorForward(currentTextLenPx - oldTextLenPx)
moveCursorBy(currentTextLenPx - oldTextLenPx)
oldTextLenPx = currentTextLenPx
fboUpdateLatch = true
@@ -602,6 +610,7 @@ class UIItemTextLineInput(
// draw text cursor
val cursorXOnScreen = inputPosX + cursorDrawX + 2 + textDrawOffset
// printdbg(this, "inputPosX=$inputPosX, cursorDrawX=$cursorDrawX, cursorDrawScroll=$cursorDrawScroll")
if (isEnabled && cursorOn) {
val baseCol = if (maxLen.exceeds(textbuf, listOf(32))) TEXTINPUT_COL_TEXT_NOMORE else TEXTINPUT_COL_TEXT
@@ -695,8 +704,8 @@ class UIItemTextLineInput(
resetIME()
textbuf.clear()
cursorX = 0
cursorDrawScroll = 0
cursorDrawX = 0
cursorDrawScroll = 0
}
fun setText(s: String) {
clearText()
@@ -707,7 +716,7 @@ class UIItemTextLineInput(
textbuf.addAll(codepoints)
cursorX += codepoints.size
currentTextLenPx = App.fontGame.getWidth(CodepointSequence(textbuf.subList(0, cursorX)))
moveCursorForward(currentTextLenPx - oldTextLenPx)
moveCursorBy(currentTextLenPx - oldTextLenPx)
oldTextLenPx = currentTextLenPx
}
override fun dispose() {