Implement text navigation via Ctrl keybings

src/main/scala/ocelot/desktop/color/RGBAColorNorm.scala

@@ -1,6 +1,6 @@
 package ocelot.desktop.color
 
-import ocelot.desktop.geometry.FloatUtils.ExtendedFloat
+import ocelot.desktop.util.NumberUtils.ExtendedFloat
 import ocelot.desktop.geometry.Vector3D
 
 import java.nio.ByteBuffer

src/main/scala/ocelot/desktop/geometry/FloatUtils.scala

@@ -1,9 +0,0 @@
-package ocelot.desktop.geometry
-
-object FloatUtils {
-  implicit class ExtendedFloat(val v: Float) extends AnyVal {
-    def lerp(that: Float, alpha: Float): Float = v * (1 - alpha) + that * alpha
-
-    def clamped(min: Float = 0f, max: Float = 1f): Float = v.min(max).max(min)
-  }
-}

src/main/scala/ocelot/desktop/geometry/Vector3D.scala

@@ -1,6 +1,6 @@
 package ocelot.desktop.geometry
 
-import ocelot.desktop.geometry.FloatUtils.ExtendedFloat
+import ocelot.desktop.util.NumberUtils.ExtendedFloat
 
 object Vector3D {
   val Zero: Vector3D = Vector3D(0, 0, 0)

src/main/scala/ocelot/desktop/node/BoomCardFxHandler.scala

@@ -2,7 +2,7 @@ package ocelot.desktop.node
 
 import ocelot.desktop.audio.{SoundBuffers, SoundCategory, SoundSource}
 import ocelot.desktop.color.Color
-import ocelot.desktop.geometry.FloatUtils.ExtendedFloat
+import ocelot.desktop.util.NumberUtils.ExtendedFloat
 import ocelot.desktop.graphics.{Graphics, IconSource}
 import ocelot.desktop.inventory.item.SelfDestructingCardItem
 import ocelot.desktop.node.BoomCardFxHandler.{ExpandIntensity, ExpandPeriod, FlickerAlpha, FlickerDuty, GlowAlpha, MaxSize, MinSize}

src/main/scala/ocelot/desktop/node/OcelotLogParticleNode.scala

@@ -2,7 +2,7 @@ package ocelot.desktop.node
 
 import ocelot.desktop.ColorScheme
 import ocelot.desktop.entity.traits.OcelotInterface
-import ocelot.desktop.geometry.FloatUtils.ExtendedFloat
+import ocelot.desktop.util.NumberUtils.ExtendedFloat
 import ocelot.desktop.geometry.Vector2D
 import ocelot.desktop.graphics.Graphics
 import ocelot.desktop.node.OcelotLogParticleNode._

src/main/scala/ocelot/desktop/node/nodes/OcelotBlockNode.scala

@@ -3,7 +3,7 @@ package ocelot.desktop.node.nodes
 import ocelot.desktop.color.RGBAColorNorm
 import ocelot.desktop.entity.OcelotBlock
 import ocelot.desktop.entity.traits.OcelotInterface
-import ocelot.desktop.geometry.FloatUtils.ExtendedFloat
+import ocelot.desktop.util.NumberUtils.ExtendedFloat
 import ocelot.desktop.graphics.{Graphics, IconSource}
 import ocelot.desktop.node.Node.HighlightThickness
 import ocelot.desktop.node.nodes.OcelotBlockNode.ActivityFadeOutMs

src/main/scala/ocelot/desktop/ui/widget/ScrollView.scala

@@ -1,7 +1,7 @@
 package ocelot.desktop.ui.widget
 
 import ocelot.desktop.ColorScheme
-import ocelot.desktop.geometry.FloatUtils.ExtendedFloat
+import ocelot.desktop.util.NumberUtils.ExtendedFloat
 import ocelot.desktop.geometry.{Rect2D, Size2D, Vector2D}
 import ocelot.desktop.graphics.Graphics
 import ocelot.desktop.ui.UiHandler

src/main/scala/ocelot/desktop/ui/widget/Slider.scala

@@ -3,7 +3,7 @@ package ocelot.desktop.ui.widget
 import ocelot.desktop.ColorScheme
 import ocelot.desktop.audio.{ClickSoundSource, SoundSource}
 import ocelot.desktop.color.Color
-import ocelot.desktop.geometry.FloatUtils.ExtendedFloat
+import ocelot.desktop.util.NumberUtils.ExtendedFloat
 import ocelot.desktop.geometry.Size2D
 import ocelot.desktop.graphics.Graphics
 import ocelot.desktop.ui.event.handlers.MouseHandler

src/main/scala/ocelot/desktop/ui/widget/TextInput.scala

@@ -11,12 +11,11 @@ import ocelot.desktop.ui.event.{DragEvent, KeyEvent, MouseEvent}
 import ocelot.desktop.ui.widget.TextInput.{Cursor, Selection, Text}
 import ocelot.desktop.ui.widget.contextmenu.{ContextMenu, ContextMenuEntry}
 import ocelot.desktop.ui.widget.traits.HoverAnimation
+import ocelot.desktop.util.NumberUtils.ExtendedInt
 import ocelot.desktop.util.animation.ColorAnimation
 import ocelot.desktop.util.{BaseWatcher, DrawUtils, Register, Watcher}
 import org.lwjgl.input.Keyboard
 
-import java.lang.Character.isWhitespace
-
 class TextInput(val initialText: String = "") extends Widget with MouseHandler with HoverAnimation {
   private val CursorBlinkTime = 2f
   private val PlaceholderForegroundColor: Color = ColorScheme("TextInputForegroundDisabled")
@@ -210,6 +209,7 @@ class TextInput(val initialText: String = "") extends Widget with MouseHandler w
     case event @ KeyEvent(KeyEvent.State.Press | KeyEvent.State.Repeat, Keyboard.KEY_LEFT, _) if isFocused =>
       handleKeyMovement(selection match {
         case Some(Selection.Ordered(start, _)) if !KeyEvents.isShiftDown => start
+        case _ if KeyEvents.isControlDown => findWordBoundary(cursor.position - 1, forward = false, wordStart = true)
         case _ => cursor.position - 1
       })
 
@@ -218,6 +218,7 @@ class TextInput(val initialText: String = "") extends Widget with MouseHandler w
     case event @ KeyEvent(KeyEvent.State.Press | KeyEvent.State.Repeat, Keyboard.KEY_RIGHT, _) if isFocused =>
       handleKeyMovement(selection match {
         case Some(Selection.Ordered(_, end)) if !KeyEvents.isShiftDown => end
+        case _ if KeyEvents.isControlDown => findWordBoundary(cursor.position + 1, forward = true, wordStart = false)
         case _ => cursor.position + 1
       })
 
@@ -235,11 +236,14 @@ class TextInput(val initialText: String = "") extends Widget with MouseHandler w
       if (selection.nonEmpty) {
         deleteSelection()
       } else {
-        val (lhs, rhs) = _text.chars.splitAt(cursor.position)
-        if (!lhs.isEmpty) {
-          _text.chars = lhs.take(lhs.length - 1) ++ rhs
-          cursor.position -= 1
+        val start = if (KeyEvents.isControlDown) {
+          findWordBoundary(cursor.position - 1, forward = false, wordStart = true)
+        } else {
+          (cursor.position - 1).clamped(0, _text.chars.length)
         }
+
+        deleteRange(start, cursor.position)
+        cursor.position = start
       }
 
       event.consume()
@@ -248,10 +252,13 @@ class TextInput(val initialText: String = "") extends Widget with MouseHandler w
       if (selection.nonEmpty) {
         deleteSelection()
       } else {
-        val (lhs, rhs) = _text.chars.splitAt(cursor.position)
-        if (!rhs.isEmpty) {
-          _text.chars = lhs ++ rhs.drop(1)
+        val end = if (KeyEvents.isControlDown) {
+          findWordBoundary(cursor.position + 1, forward = true, wordStart = false)
+        } else {
+          (cursor.position + 1).clamped(0, _text.chars.length)
         }
+        
+        deleteRange(cursor.position, end)
       }
 
       event.consume()
@@ -331,11 +338,42 @@ class TextInput(val initialText: String = "") extends Widget with MouseHandler w
     selection = Selection(0, _text.chars.length)
   }
 
+  /**
+    * Finds a word boundary closest to the `initialPosition` going in the specified direction.
+    * 
+    * If `wordStart` is `true`, the word boundary begins a word. Otherwise, it ends a word (one past the last character
+    * of the word). If no boundary is found, the function returns the furthest index in the specified direction.
+    * 
+    * May return the `initialPosition` if it's already at the boundary.
+    */
+  private def findWordBoundary(initialPosition: Int, forward: Boolean, wordStart: Boolean): Int = {
+    import Character.isLetterOrDigit
+    
+    val start = initialPosition.clamped(0, _text.chars.length)
+
+    val indices = if (forward) {
+      start.to(_text.chars.length)
+    } else {
+      start.to(0, -1)
+    }
+    
+    val isBoundaryCodepoints: (Int, Int) => Boolean = if (wordStart) {
+      (prev, current) => !isLetterOrDigit(prev) && isLetterOrDigit(current)
+    } else {
+      (prev, current) => isLetterOrDigit(prev) && !isLetterOrDigit(current)
+    }
+
+    def isBoundary(idx: Int): Boolean = {
+      idx == 0 || idx == _text.chars.length || isBoundaryCodepoints(_text.chars(idx - 1), _text.chars(idx))
+    }
+    
+    indices.find(isBoundary).getOrElse(indices.end)
+  }
+
   private def selectWord(): Unit = {
-    val from = 0 max (_text.chars.lastIndexWhere(isWhitespace, cursor.position - 1) + 1)
-    val to = _text.chars.indexWhere(isWhitespace, cursor.position)
-    val clampedTo = if (to >= 0 && to < _text.chars.length) to else _text.chars.length
-    selection = Selection(from, clampedTo)
+    val from = findWordBoundary(cursor.position, forward = false, wordStart = true)
+    val to = findWordBoundary(cursor.position, forward = true, wordStart = false)
+    selection = Selection(from, to)
   }
 
   private def copySelection(): Unit = {
@@ -354,9 +392,15 @@ class TextInput(val initialText: String = "") extends Widget with MouseHandler w
 
   private def deleteSelection(): Unit = {
     for (Selection.Ordered(start, end) <- selection) {
-      _text.chars = _text.chars.take(start) ++ _text.chars.drop(end)
+      deleteRange(start, end)
       cursor.position = start
     }
+    
+    selection = None
+  }
+  
+  private def deleteRange(start: Int, end: Int): Unit = {
+    _text.chars = _text.chars.take(start) ++ _text.chars.drop(end)
   }
 
   private def writeString(string: String): Unit = {

src/main/scala/ocelot/desktop/ui/widget/Viewport3DWidget.scala

@@ -1,7 +1,7 @@
 package ocelot.desktop.ui.widget
 
 import ocelot.desktop.color.Color
-import ocelot.desktop.geometry.FloatUtils.ExtendedFloat
+import ocelot.desktop.util.NumberUtils.ExtendedFloat
 import ocelot.desktop.geometry._
 import ocelot.desktop.graphics.scene.{Camera3D, Scene3D}
 import ocelot.desktop.graphics.{Graphics, IconSource, Viewport3D}

src/main/scala/ocelot/desktop/ui/widget/contextmenu/ContextMenus.scala

@@ -1,6 +1,6 @@
 package ocelot.desktop.ui.widget.contextmenu
 
-import ocelot.desktop.geometry.FloatUtils.ExtendedFloat
+import ocelot.desktop.util.NumberUtils.ExtendedFloat
 import ocelot.desktop.geometry.Vector2D
 import ocelot.desktop.graphics.Graphics
 import ocelot.desktop.ui.UiHandler

src/main/scala/ocelot/desktop/util/NumberUtils.scala

@@ -0,0 +1,17 @@
+package ocelot.desktop.util
+
+object NumberUtils {
+  implicit class ExtendedFloat(val v: Float) extends AnyVal {
+    def lerp(that: Float, alpha: Float): Float = v * (1 - alpha) + that * alpha
+
+    def clamped(min: Float = 0f, max: Float = 1f): Float = v.min(max).max(min)
+  }
+
+  implicit class ExtendedInt(val v: Int) extends AnyVal {
+    def clamped(min: Int, max: Int): Int = v.min(max).max(min)
+  }
+
+  implicit class ExtendedLong(val v: Long) extends AnyVal {
+    def clamped(min: Long, max: Long): Float = v.min(max).max(min)
+  }
+}

src/main/scala/ocelot/desktop/windows/HologramProjectorWindow.scala

@@ -2,7 +2,7 @@ package ocelot.desktop.windows
 
 import ocelot.desktop.OcelotDesktop
 import ocelot.desktop.color.{Color, IntColor}
-import ocelot.desktop.geometry.FloatUtils.ExtendedFloat
+import ocelot.desktop.util.NumberUtils.ExtendedFloat
 import ocelot.desktop.geometry._
 import ocelot.desktop.graphics.IconSource
 import ocelot.desktop.graphics.mesh.{Mesh3D, MeshBuilder3D}