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package at.hannibal2.skyhanni.sign;
import java.util.function.Consumer;
import java.util.function.Supplier;
import net.minecraft.client.gui.FontRenderer;
import net.minecraft.client.gui.GuiScreen;
import net.minecraft.util.ChatAllowedCharacters;
import net.minecraft.util.EnumChatFormatting;
import net.minecraft.util.MathHelper;
import org.lwjgl.input.Keyboard;
public class TextInputUtil {
private final FontRenderer fontRenderer;
private final Supplier<String> stringSupplier;
private final Consumer<String> stringConsumer;
private final int maxLength;
private int selectionStart;
private int selectionEnd;
public TextInputUtil(FontRenderer fontRenderer, Supplier<String> stringSupplier, Consumer<String> stringConsumer, int maxLength) {
this.fontRenderer = fontRenderer;
this.stringSupplier = stringSupplier;
this.stringConsumer = stringConsumer;
this.maxLength = maxLength;
this.moveCaretToEnd();
}
public boolean insert(char typedChar) {
if (ChatAllowedCharacters.isAllowedCharacter(typedChar)) {
this.insert(Character.toString(typedChar));
}
return true;
}
private void insert(String typedChar) {
if (this.selectionEnd != this.selectionStart) {
this.deleteSelectedText();
}
String s = this.stringSupplier.get();
this.selectionStart = MathHelper.clamp_int(this.selectionStart, 0, s.length());
String s1 = new StringBuilder(s).insert(this.selectionStart, typedChar).toString();
if (this.fontRenderer.getStringWidth(s1) <= this.maxLength) {
this.stringConsumer.accept(s1);
this.selectionEnd = this.selectionStart = Math.min(s1.length(), this.selectionStart + typedChar.length());
}
}
public boolean handleSpecialKey(int keyCode) {
String s = this.stringSupplier.get();
if (GuiScreen.isKeyComboCtrlA(keyCode)) {
this.selectionEnd = 0;
this.selectionStart = s.length();
return true;
} else if (GuiScreen.isKeyComboCtrlC(keyCode)) {
GuiScreen.setClipboardString(this.getSelectedText());
return true;
} else if (GuiScreen.isKeyComboCtrlV(keyCode)) {
this.insert(ChatAllowedCharacters.filterAllowedCharacters(EnumChatFormatting.getTextWithoutFormattingCodes(GuiScreen.getClipboardString().replaceAll("\\r", ""))));
this.selectionEnd = this.selectionStart;
return true;
} else if (GuiScreen.isKeyComboCtrlX(keyCode)) {
GuiScreen.setClipboardString(this.getSelectedText());
this.deleteSelectedText();
return true;
} else {
switch (keyCode) {
case Keyboard.KEY_BACK:
if (!s.isEmpty()) {
if (this.selectionEnd != this.selectionStart) {
this.deleteSelectedText();
} else if (this.selectionStart > 0) {
s = new StringBuilder(s).deleteCharAt(Math.max(0, this.selectionStart - 1)).toString();
this.selectionEnd = this.selectionStart = Math.max(0, this.selectionStart - 1);
this.stringConsumer.accept(s);
}
}
return true;
case Keyboard.KEY_DELETE:
if (!s.isEmpty()) {
if (this.selectionEnd != this.selectionStart) {
this.deleteSelectedText();
} else if (this.selectionStart < s.length()) {
s = new StringBuilder(s).deleteCharAt(Math.max(0, this.selectionStart)).toString();
this.stringConsumer.accept(s);
}
}
return true;
case Keyboard.KEY_LEFT:
int j = this.fontRenderer.getBidiFlag() ? 1 : -1;
if (GuiScreen.isCtrlKeyDown()) {
this.selectionStart = this.findWordEdge(s, j, this.selectionStart);
} else {
this.selectionStart = Math.max(0, Math.min(s.length(), this.selectionStart + j));
}
if (!GuiScreen.isShiftKeyDown()) {
this.selectionEnd = this.selectionStart;
}
return true;
case Keyboard.KEY_RIGHT:
int i = this.fontRenderer.getBidiFlag() ? -1 : 1;
if (GuiScreen.isCtrlKeyDown()) {
this.selectionStart = this.findWordEdge(s, i, this.selectionStart);
} else {
this.selectionStart = Math.max(0, Math.min(s.length(), this.selectionStart + i));
}
if (!GuiScreen.isShiftKeyDown()) {
this.selectionEnd = this.selectionStart;
}
return true;
case Keyboard.KEY_HOME:
this.selectionStart = 0;
if (!GuiScreen.isShiftKeyDown()) {
this.selectionEnd = this.selectionStart;
}
return true;
case Keyboard.KEY_END:
this.selectionStart = this.stringSupplier.get().length();
if (!GuiScreen.isShiftKeyDown()) {
this.selectionEnd = this.selectionStart;
}
return true;
default:
return false;
}
}
}
private String getSelectedText() {
String s = this.stringSupplier.get();
int i = Math.min(this.selectionStart, this.selectionEnd);
int j = Math.max(this.selectionStart, this.selectionEnd);
return s.substring(i, j);
}
private void deleteSelectedText() {
if (this.selectionEnd != this.selectionStart) {
String s = this.stringSupplier.get();
int i = Math.min(this.selectionStart, this.selectionEnd);
int j = Math.max(this.selectionStart, this.selectionEnd);
String s1 = s.substring(0, i) + s.substring(j);
this.selectionStart = i;
this.selectionEnd = this.selectionStart;
this.stringConsumer.accept(s1);
}
}
public void moveCaretToEnd() {
this.selectionEnd = this.selectionStart = this.stringSupplier.get().length();
}
public int getSelectionStart() {
return this.selectionStart;
}
public int getSelectionEnd() {
return this.selectionEnd;
}
private int findWordEdge(String text, int bidiFlag, int selectionStart) {
int i = selectionStart;
boolean flag = bidiFlag < 0;
int j = Math.abs(bidiFlag);
for (int k = 0; k < j; ++k) {
if (flag) {
while (i > 0 && (text.charAt(i - 1) == ' ' || text.charAt(i - 1) == '\n')) {
--i;
}
while (i > 0 && text.charAt(i - 1) != ' ' && text.charAt(i - 1) != '\n') {
--i;
}
} else {
int l = text.length();
int i1 = text.indexOf(32, i);
int j1 = text.indexOf(10, i);
if (i1 == -1 && j1 == -1) {
i = -1;
} else if (i1 != -1 && j1 != -1) {
i = Math.min(i1, j1);
} else if (i1 != -1) {
i = i1;
} else {
i = j1;
}
if (i == -1) {
i = l;
} else {
while (i < l && (text.charAt(i) == ' ' || text.charAt(i) == '\n')) {
++i;
}
}
}
}
return i;
}
}
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