From 37a765af1948c67297e322a4db5cefe044ad1c67 Mon Sep 17 00:00:00 2001
From: Kam <KamronGaming@gmail.com>
Date: Sun, 30 Jul 2023 15:47:03 -0400
Subject: [PATCH] Implement Ctrl + Backspace

---
 .../java/noppes/npcs/client/ClientProxy.java  |  4 +-
 .../client/gui/util/GuiScriptTextArea.java    | 51 ++++++++++++++++++-
 2 files changed, 52 insertions(+), 3 deletions(-)

diff --git a/src/main/java/noppes/npcs/client/ClientProxy.java b/src/main/java/noppes/npcs/client/ClientProxy.java
index ac020ac2e..8ca096278 100644
--- a/src/main/java/noppes/npcs/client/ClientProxy.java
+++ b/src/main/java/noppes/npcs/client/ClientProxy.java
@@ -544,7 +544,7 @@ public class ClientProxy extends CommonProxy {
 
 		public FontContainer(String fontType, int fontSize) {
 			textFont = new StringCache();
-			textFont.setDefaultFont("Arial", fontSize, true);
+			textFont.setDefaultFont("Arial Unicode MS", fontSize, true);
 			useCustomFont = !fontType.equalsIgnoreCase("minecraft");
 			try {
 				if(!useCustomFont || fontType.isEmpty() || fontType.equalsIgnoreCase("default"))
@@ -552,7 +552,7 @@ public class ClientProxy extends CommonProxy {
 				else
 					textFont.setDefaultFont(fontType, fontSize, true);
 			} catch (Exception e) {
-				LogWriter.info("Failed loading font so using Arial");
+				LogWriter.info("Failed loading font so using Arial Unicode MS");
 			}
 		}
 
diff --git a/src/main/java/noppes/npcs/client/gui/util/GuiScriptTextArea.java b/src/main/java/noppes/npcs/client/gui/util/GuiScriptTextArea.java
index 45ef13a27..4c1c08644 100644
--- a/src/main/java/noppes/npcs/client/gui/util/GuiScriptTextArea.java
+++ b/src/main/java/noppes/npcs/client/gui/util/GuiScriptTextArea.java
@@ -11,9 +11,12 @@ import net.minecraft.util.ChatAllowedCharacters;
 import noppes.npcs.NoppesStringUtils;
 import noppes.npcs.client.ClientProxy;
 import noppes.npcs.client.gui.util.TextContainer.LineData;
+import noppes.npcs.config.ConfigClient;
 import org.lwjgl.input.Keyboard;
 import org.lwjgl.input.Mouse;
+import sun.font.TrueTypeFont;
 
+import java.awt.*;
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
@@ -42,11 +45,11 @@ public class GuiScriptTextArea extends GuiNpcTextField {
     private int cursorPosition;
     private int scrolledLine = 0;
     private boolean enableCodeHighlighting = false;
-    private static final char colorChar = '\uffff';
     public List<GuiScriptTextArea.UndoData> undoList = new ArrayList();
     public List<GuiScriptTextArea.UndoData> redoList = new ArrayList();
     public boolean undoing = false;
     private long lastClicked = 0L;
+    // private static TrueTypeFont font = new TrueTypeFont(new Font("Arial Unicode MS", Font.PLAIN, ConfigClient.FontSize), 1);
 
     public GuiScriptTextArea(GuiScreen guiScreen, int id, int x, int y, int width, int height, String text) {
         super(id, guiScreen, x, y, width, height, null);
@@ -309,6 +312,47 @@ public class GuiScriptTextArea extends GuiNpcTextField {
             endSelection = cursorPosition = startSelection;
             return true;
         }
+        if(isKeyComboCtrlBackspace(i)){
+            String s = getSelectionBeforeText();
+            if(startSelection > 0 && startSelection == endSelection){
+                int nearestCondition = cursorPosition;
+                int g;
+                boolean cursorInWhitespace = Character.isWhitespace(s.charAt(cursorPosition - 1));
+                if(cursorInWhitespace){
+                    // Find the nearest word if we are starting in whitespace
+                    for (g = cursorPosition - 1; g >= 0; g--) {
+                        char currentChar = s.charAt(g);
+                        if (!Character.isWhitespace(currentChar)) {
+                            nearestCondition = g;
+                            break;
+                        }
+                        if(g == 0){
+                            nearestCondition = 0;
+                        }
+                    }
+                }
+                else {
+                    // Find the nearest blank space or new line
+                    for (g = cursorPosition - 1; g >= 0; g--) {
+                        char currentChar = s.charAt(g);
+                        if (Character.isWhitespace(currentChar)  || currentChar == '\n') {
+                            nearestCondition = g;
+                            break;
+                        }
+                        if(g == 0){
+                            nearestCondition = 0;
+                        }
+                    }
+                }
+
+                // Remove all text to the left up to the nearest boundary
+                s = s.substring(0, nearestCondition);
+                startSelection -= (cursorPosition - nearestCondition);
+            }
+            setText(s + getSelectionAfterText());
+            endSelection = cursorPosition = startSelection;
+            return true;
+        }
         if(i == Keyboard.KEY_BACK){
             String s = getSelectionBeforeText();
             if(startSelection > 0 && startSelection == endSelection){
@@ -389,6 +433,11 @@ public class GuiScriptTextArea extends GuiNpcTextField {
         return keyID == 45 && isCtrlKeyDown() && !isShiftKeyDown() && !isAltKeyDown();
     }
 
+    private boolean isKeyComboCtrlBackspace(int keyID)
+    {
+        return keyID == Keyboard.KEY_BACK && isCtrlKeyDown() && !isShiftKeyDown() && !isAltKeyDown();
+    }
+
     private boolean isKeyComboCtrlV(int keyID)
     {
         return keyID == 47 && isCtrlKeyDown() && !isShiftKeyDown() && !isAltKeyDown();