From 2321f9f11f0f14e4b2e1de06d093fb0246e37d3e Mon Sep 17 00:00:00 2001
From: EmmaTheMartian <emmathemartian@gmail.com>
Date: Tue, 30 Apr 2024 13:20:53 -0400
Subject: [PATCH] Add ctrl+arrows, ctrl+backspace, and tab keybinds

---
 gradlew                                       |  0
 .../java/com/insertsoda/craterchat/Chat.java  | 68 +++++++++++++++++++
 .../mixins/UITextInputAccessor.java           |  9 +++
 3 files changed, 77 insertions(+)
 mode change 100644 => 100755 gradlew

diff --git a/gradlew b/gradlew
old mode 100644
new mode 100755
diff --git a/src/main/java/com/insertsoda/craterchat/Chat.java b/src/main/java/com/insertsoda/craterchat/Chat.java
index 8691aff..f533672 100644
--- a/src/main/java/com/insertsoda/craterchat/Chat.java
+++ b/src/main/java/com/insertsoda/craterchat/Chat.java
@@ -2,6 +2,7 @@
 
 import com.badlogic.gdx.Gdx;
 import com.badlogic.gdx.Input;
+import com.badlogic.gdx.Input.Keys;
 import com.badlogic.gdx.graphics.OrthographicCamera;
 import com.badlogic.gdx.math.MathUtils;
 import com.badlogic.gdx.math.Vector2;
@@ -91,6 +92,46 @@ public void onCreate() {
                     super.onCreate();
                 }
 
+                @Override
+                public boolean keyDown(int keycode) {
+                    switch (keycode) {
+                        case Keys.LEFT:
+                            if (Gdx.input.isKeyPressed(Keys.CONTROL_LEFT)) {
+                                var input = ((UITextInputAccessor)this);
+
+                                int pos = input.getDesiredCharIdx() - 1;
+                                if (pos <= 0) return true;
+
+                                // Move left until a non-alphanumeric character or the start of the input
+                                do { --pos; }
+                                while (pos > 0 && Character.isLetterOrDigit(textInput.inputText.charAt(pos)));
+
+                                input.setDesiredCharIdx(pos);
+                                input.setIsDefaultText(false);
+                                return true;
+                            }
+                            break;
+                        case Keys.RIGHT:
+                            if (Gdx.input.isKeyPressed(Keys.CONTROL_LEFT)) {
+                                var input = ((UITextInputAccessor)this);
+
+                                int pos = input.getDesiredCharIdx();
+                                if (pos >= textInput.inputText.length()) return true;
+
+                                // Move right until a non-alphanumeric character or the end of the input
+                                do { ++pos; }
+                                while (pos <= textInput.inputText.length() - 1 && Character.isLetterOrDigit(textInput.inputText.charAt(pos)));
+
+                                input.setDesiredCharIdx(pos);
+                                input.setIsDefaultText(false);
+                                return true;
+                            }
+                            break;
+                    }
+
+                    return super.keyDown(keycode);
+                }
+
                 @Override
                 public boolean keyTyped(char character) {
                     // Types in the character into the text field and stores its returning boolean for later
@@ -134,6 +175,33 @@ public boolean keyTyped(char character) {
                         return false;
                     }
 
+                    if (character == '\t' && commandSuggestions != null) {
+                        try {
+                            inputText = "/" + commandSuggestions.get().getList().get(0).getText();
+                            var input = ((UITextInputAccessor)this);
+                            input.setDesiredCharIdx(inputText.length());
+                            input.setIsDefaultText(false);
+                            return true;
+                        } catch (Exception e) {}
+                    }
+
+                    if (character == '\b' && Gdx.input.isKeyPressed(Keys.CONTROL_LEFT)) {
+                        var input = ((UITextInputAccessor)this);
+
+                        int pos = input.getDesiredCharIdx() - 1;
+                        if (pos <= 0) return true;
+
+                        // Move left until a non-alphanumeric character or the start of the input
+                        do { --pos; }
+                        while (pos > 0 && Character.isLetterOrDigit(textInput.inputText.charAt(pos)));
+
+                        input.setDesiredCharIdx(pos);
+                        input.setIsDefaultText(false);
+                        // The caret has already been moved, so now we can just take a substring from 0-caret to remove a whole word
+                        inputText = inputText.substring(0, input.getDesiredCharIdx());
+                        return true;
+                    }
+
                     // Resume other operations I guess
                     return keyTypedBoolean;
                 }
diff --git a/src/main/java/com/insertsoda/craterchat/mixins/UITextInputAccessor.java b/src/main/java/com/insertsoda/craterchat/mixins/UITextInputAccessor.java
index 986827b..4f7f4b0 100644
--- a/src/main/java/com/insertsoda/craterchat/mixins/UITextInputAccessor.java
+++ b/src/main/java/com/insertsoda/craterchat/mixins/UITextInputAccessor.java
@@ -8,4 +8,13 @@
 public interface UITextInputAccessor {
     @Accessor
     int getDesiredCharIdx();
+
+    @Accessor
+    void setDesiredCharIdx(int val);
+
+    @Accessor
+    boolean getIsDefaultText();
+
+    @Accessor
+    void setIsDefaultText(boolean val);
 }