308 lines
9.2 KiB
Java
308 lines
9.2 KiB
Java
package net.minecraft.client.gui.components;
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import java.util.function.Consumer;
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import net.fabricmc.api.EnvType;
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import net.fabricmc.api.Environment;
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import net.minecraft.Util;
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import net.minecraft.client.gui.Font;
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import net.minecraft.client.gui.GuiGraphics;
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import net.minecraft.client.gui.components.MultilineTextField.StringView;
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import net.minecraft.client.gui.narration.NarratedElementType;
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import net.minecraft.client.gui.narration.NarrationElementOutput;
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import net.minecraft.client.gui.screens.Screen;
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import net.minecraft.network.chat.CommonComponents;
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import net.minecraft.network.chat.Component;
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import net.minecraft.util.StringUtil;
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@Environment(EnvType.CLIENT)
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public class MultiLineEditBox extends AbstractTextAreaWidget {
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private static final int CURSOR_INSERT_WIDTH = 1;
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private static final int CURSOR_COLOR = -3092272;
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private static final String CURSOR_APPEND_CHARACTER = "_";
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private static final int TEXT_COLOR = -2039584;
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private static final int PLACEHOLDER_TEXT_COLOR = -857677600;
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private static final int CURSOR_BLINK_INTERVAL_MS = 300;
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private final Font font;
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private final Component placeholder;
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private final MultilineTextField textField;
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private final int textColor;
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private final boolean textShadow;
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private final int cursorColor;
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private long focusedTime = Util.getMillis();
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MultiLineEditBox(
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Font font,
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int x,
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int y,
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int width,
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int height,
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Component placeholder,
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Component message,
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int textColor,
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boolean textShadow,
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int cursorColor,
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boolean showBackground,
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boolean showDecorations
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) {
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super(x, y, width, height, message, showBackground, showDecorations);
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this.font = font;
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this.textShadow = textShadow;
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this.textColor = textColor;
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this.cursorColor = cursorColor;
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this.placeholder = placeholder;
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this.textField = new MultilineTextField(font, width - this.totalInnerPadding());
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this.textField.setCursorListener(this::scrollToCursor);
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}
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public void setCharacterLimit(int characterLimit) {
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this.textField.setCharacterLimit(characterLimit);
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}
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public void setLineLimit(int lineLimit) {
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this.textField.setLineLimit(lineLimit);
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}
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public void setValueListener(Consumer<String> valueListener) {
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this.textField.setValueListener(valueListener);
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}
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public void setValue(String value) {
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this.setValue(value, false);
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}
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public void setValue(String value, boolean force) {
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this.textField.setValue(value, force);
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}
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public String getValue() {
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return this.textField.value();
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}
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@Override
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public void updateWidgetNarration(NarrationElementOutput narrationElementOutput) {
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narrationElementOutput.add(NarratedElementType.TITLE, Component.translatable("gui.narrate.editBox", this.getMessage(), this.getValue()));
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}
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@Override
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public void onClick(double mouseX, double mouseY) {
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this.textField.setSelecting(Screen.hasShiftDown());
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this.seekCursorScreen(mouseX, mouseY);
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}
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@Override
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protected void onDrag(double mouseX, double mouseY, double dragX, double dragY) {
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this.textField.setSelecting(true);
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this.seekCursorScreen(mouseX, mouseY);
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this.textField.setSelecting(Screen.hasShiftDown());
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}
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@Override
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public boolean keyPressed(int keyCode, int scanCode, int modifiers) {
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return this.textField.keyPressed(keyCode);
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}
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@Override
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public boolean charTyped(char codePoint, int modifiers) {
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if (this.visible && this.isFocused() && StringUtil.isAllowedChatCharacter(codePoint)) {
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this.textField.insertText(Character.toString(codePoint));
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return true;
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} else {
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return false;
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}
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}
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@Override
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protected void renderContents(GuiGraphics guiGraphics, int mouseX, int mouseY, float partialTick) {
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String string = this.textField.value();
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if (string.isEmpty() && !this.isFocused()) {
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guiGraphics.drawWordWrap(this.font, this.placeholder, this.getInnerLeft(), this.getInnerTop(), this.width - this.totalInnerPadding(), -857677600);
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} else {
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int i = this.textField.cursor();
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boolean bl = this.isFocused() && (Util.getMillis() - this.focusedTime) / 300L % 2L == 0L;
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boolean bl2 = i < string.length();
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int j = 0;
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int k = 0;
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int l = this.getInnerTop();
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for (StringView stringView : this.textField.iterateLines()) {
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boolean bl3 = this.withinContentAreaTopBottom(l, l + 9);
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int m = this.getInnerLeft();
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if (bl && bl2 && i >= stringView.beginIndex() && i < stringView.endIndex()) {
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if (bl3) {
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String string2 = string.substring(stringView.beginIndex(), i);
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guiGraphics.drawString(this.font, string2, m, l, this.textColor, this.textShadow);
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j = m + this.font.width(string2);
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guiGraphics.fill(j, l - 1, j + 1, l + 1 + 9, this.cursorColor);
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guiGraphics.drawString(this.font, string.substring(i, stringView.endIndex()), j, l, this.textColor, this.textShadow);
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}
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} else {
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if (bl3) {
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String string2 = string.substring(stringView.beginIndex(), stringView.endIndex());
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guiGraphics.drawString(this.font, string2, m, l, this.textColor, this.textShadow);
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j = m + this.font.width(string2) - 1;
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}
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k = l;
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}
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l += 9;
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}
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if (bl && !bl2 && this.withinContentAreaTopBottom(k, k + 9)) {
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guiGraphics.drawString(this.font, "_", j, k, this.cursorColor, this.textShadow);
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}
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if (this.textField.hasSelection()) {
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StringView stringView2 = this.textField.getSelected();
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int n = this.getInnerLeft();
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l = this.getInnerTop();
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for (StringView stringView3 : this.textField.iterateLines()) {
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if (stringView2.beginIndex() > stringView3.endIndex()) {
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l += 9;
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} else {
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if (stringView3.beginIndex() > stringView2.endIndex()) {
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break;
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}
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if (this.withinContentAreaTopBottom(l, l + 9)) {
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int o = this.font.width(string.substring(stringView3.beginIndex(), Math.max(stringView2.beginIndex(), stringView3.beginIndex())));
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int p;
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if (stringView2.endIndex() > stringView3.endIndex()) {
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p = this.width - this.innerPadding();
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} else {
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p = this.font.width(string.substring(stringView3.beginIndex(), stringView2.endIndex()));
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}
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guiGraphics.textHighlight(n + o, l, n + p, l + 9);
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}
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l += 9;
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}
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}
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}
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}
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}
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@Override
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protected void renderDecorations(GuiGraphics guiGraphics) {
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super.renderDecorations(guiGraphics);
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if (this.textField.hasCharacterLimit()) {
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int i = this.textField.characterLimit();
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Component component = Component.translatable("gui.multiLineEditBox.character_limit", this.textField.value().length(), i);
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guiGraphics.drawString(this.font, component, this.getX() + this.width - this.font.width(component), this.getY() + this.height + 4, -6250336);
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}
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}
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@Override
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public int getInnerHeight() {
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return 9 * this.textField.getLineCount();
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}
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@Override
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protected double scrollRate() {
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return 9.0 / 2.0;
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}
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private void scrollToCursor() {
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double d = this.scrollAmount();
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StringView stringView = this.textField.getLineView((int)(d / 9.0));
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if (this.textField.cursor() <= stringView.beginIndex()) {
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d = this.textField.getLineAtCursor() * 9;
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} else {
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StringView stringView2 = this.textField.getLineView((int)((d + this.height) / 9.0) - 1);
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if (this.textField.cursor() > stringView2.endIndex()) {
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d = this.textField.getLineAtCursor() * 9 - this.height + 9 + this.totalInnerPadding();
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}
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}
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this.setScrollAmount(d);
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}
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private void seekCursorScreen(double mouseX, double mouseY) {
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double d = mouseX - this.getX() - this.innerPadding();
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double e = mouseY - this.getY() - this.innerPadding() + this.scrollAmount();
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this.textField.seekCursorToPoint(d, e);
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}
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@Override
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public void setFocused(boolean focused) {
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super.setFocused(focused);
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if (focused) {
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this.focusedTime = Util.getMillis();
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}
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}
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public static MultiLineEditBox.Builder builder() {
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return new MultiLineEditBox.Builder();
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}
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@Environment(EnvType.CLIENT)
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public static class Builder {
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private int x;
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private int y;
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private Component placeholder = CommonComponents.EMPTY;
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private int textColor = -2039584;
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private boolean textShadow = true;
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private int cursorColor = -3092272;
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private boolean showBackground = true;
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private boolean showDecorations = true;
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public MultiLineEditBox.Builder setX(int x) {
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this.x = x;
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return this;
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}
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public MultiLineEditBox.Builder setY(int y) {
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this.y = y;
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return this;
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}
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public MultiLineEditBox.Builder setPlaceholder(Component placeholder) {
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this.placeholder = placeholder;
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return this;
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}
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public MultiLineEditBox.Builder setTextColor(int textColor) {
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this.textColor = textColor;
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return this;
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}
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public MultiLineEditBox.Builder setTextShadow(boolean textShadow) {
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this.textShadow = textShadow;
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return this;
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}
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public MultiLineEditBox.Builder setCursorColor(int cursorColor) {
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this.cursorColor = cursorColor;
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return this;
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}
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public MultiLineEditBox.Builder setShowBackground(boolean showBackground) {
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this.showBackground = showBackground;
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return this;
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}
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public MultiLineEditBox.Builder setShowDecorations(boolean showDecorations) {
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this.showDecorations = showDecorations;
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return this;
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}
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public MultiLineEditBox build(Font font, int width, int height, Component message) {
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return new MultiLineEditBox(
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font,
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this.x,
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this.y,
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width,
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height,
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this.placeholder,
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message,
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this.textColor,
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this.textShadow,
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this.cursorColor,
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this.showBackground,
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this.showDecorations
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);
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}
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}
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}
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