feat: add preference to toggle line number pinning in editor

app/src/main/java/com/itsaky/androidide/preferences/editor.kt

@@ -33,6 +33,7 @@ import com.itsaky.androidide.preferences.internal.FLAG_PASSWORD
 import com.itsaky.androidide.preferences.internal.FONT_LIGATURES
 import com.itsaky.androidide.preferences.internal.FONT_SIZE
 import com.itsaky.androidide.preferences.internal.HIDE_FILE_TREE_BUTTON
+import com.itsaky.androidide.preferences.internal.PIN_LINE_NUMBERS
 import com.itsaky.androidide.preferences.internal.PRINTABLE_CHARS
 import com.itsaky.androidide.preferences.internal.STICKY_SCROLL_ENABLED
 import com.itsaky.androidide.preferences.internal.TAB_SIZE
@@ -54,6 +55,7 @@ import com.itsaky.androidide.preferences.internal.drawTrailingWs
 import com.itsaky.androidide.preferences.internal.fontLigatures
 import com.itsaky.androidide.preferences.internal.fontSize
 import com.itsaky.androidide.preferences.internal.hideFileTreeButton
+import com.itsaky.androidide.preferences.internal.pinLineNumbers
 import com.itsaky.androidide.preferences.internal.stickyScrollEnabled
 import com.itsaky.androidide.preferences.internal.tabSize
 import com.itsaky.androidide.preferences.internal.useCustomFont
@@ -106,6 +108,7 @@ private class CommonConfigurations(
     addPreference(DeleteEmptyLines())
     addPreference(DeleteTabs())
     addPreference(StickyScrollEnabled())
+    addPreference(PinLineNumbersEnabled())
     addPreference(CompletionsMatchLower())
   }
 }
@@ -349,3 +352,11 @@ private class StickyScrollEnabled(
   override val summary: Int? = R.string.idepref_editor_stickyScroll_summary,
   override val icon: Int? = drawable.ic_sticky_scroll
 ) : SwitchPreference(setValue = ::stickyScrollEnabled::set, getValue = ::stickyScrollEnabled::get)
+
+@Parcelize
+private class PinLineNumbersEnabled(
+  override val key: String = PIN_LINE_NUMBERS,
+  override val title: Int = R.string.idepref_editor_pinLineNumbers_title,
+  override val summary: Int? = R.string.idepref_editor_pinLineNumbers_summary,
+  override val icon: Int? = drawable.ic_pin
+) : SwitchPreference(setValue = ::pinLineNumbers::set, getValue = ::pinLineNumbers::get)

app/src/main/java/com/itsaky/androidide/ui/CodeEditorView.kt

@@ -51,6 +51,7 @@ import com.itsaky.androidide.preferences.internal.FLAG_WS_LEADING
 import com.itsaky.androidide.preferences.internal.FLAG_WS_TRAILING
 import com.itsaky.androidide.preferences.internal.FONT_LIGATURES
 import com.itsaky.androidide.preferences.internal.FONT_SIZE
+import com.itsaky.androidide.preferences.internal.PIN_LINE_NUMBERS
 import com.itsaky.androidide.preferences.internal.STICKY_SCROLL_ENABLED
 import com.itsaky.androidide.preferences.internal.USE_CUSTOM_FONT
 import com.itsaky.androidide.preferences.internal.USE_ICU
@@ -65,6 +66,7 @@ import com.itsaky.androidide.preferences.internal.drawLineBreak
 import com.itsaky.androidide.preferences.internal.drawTrailingWs
 import com.itsaky.androidide.preferences.internal.fontLigatures
 import com.itsaky.androidide.preferences.internal.fontSize
+import com.itsaky.androidide.preferences.internal.pinLineNumbers
 import com.itsaky.androidide.preferences.internal.stickyScrollEnabled
 import com.itsaky.androidide.preferences.internal.useCustomFont
 import com.itsaky.androidide.preferences.internal.useIcu
@@ -363,6 +365,7 @@ class CodeEditorView(
     onDeleteEmptyLinesPrefChanged()
     onDeleteTabsPrefChanged()
     onStickyScrollEnabeldPrefChanged()
+    onPinLineNumbersPrefChanged()
   }
 
   private fun onMagnifierPrefChanged() {
@@ -433,6 +436,10 @@ class CodeEditorView(
     binding.editor.props.stickyScroll = stickyScrollEnabled
   }
 
+  private fun onPinLineNumbersPrefChanged() {
+    binding.editor.setPinLineNumber(pinLineNumbers)
+  }
+
   /**
    * For internal use only!
    *
@@ -479,6 +486,7 @@ class CodeEditorView(
       DELETE_EMPTY_LINES -> onDeleteEmptyLinesPrefChanged()
       DELETE_TABS_ON_BACKSPACE -> onDeleteTabsPrefChanged()
       STICKY_SCROLL_ENABLED -> onStickyScrollEnabeldPrefChanged()
+      PIN_LINE_NUMBERS -> onPinLineNumbersPrefChanged()
     }
   }
 

preferences/src/main/java/com/itsaky/androidide/preferences/internal/editorPreferences.kt

@@ -42,6 +42,7 @@ const val USE_CUSTOM_FONT = "idepref_editor_useCustomFont"
 const val DELETE_EMPTY_LINES = "idepref_editor_deleteEmptyLines"
 const val DELETE_TABS_ON_BACKSPACE = "idepref_editor_deleteTab"
 const val STICKY_SCROLL_ENABLED = "idepref_editor_stickyScrollEnabled"
+const val PIN_LINE_NUMBERS = "idepref_editor_pinLineNumbers"
 
 const val COLOR_SCHEME = "idepref_editor_colorScheme"
 const val DEFAULT_COLOR_SCHEME = "default"
@@ -178,3 +179,7 @@ var stickyScrollEnabled : Boolean
   set(value) {
     prefManager.putBoolean(STICKY_SCROLL_ENABLED, value)
   }
+
+var pinLineNumbers: Boolean
+  get() = prefManager.getBoolean(PIN_LINE_NUMBERS, true)
+  set(value) = prefManager.putBoolean(PIN_LINE_NUMBERS, value)

resources/src/main/res/drawable/ic_pin.xml

@@ -0,0 +1,6 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white"
+        android:fillType="evenOdd" android:pathData="M16,9V4l1,0c0.55,0 1,-0.45 1,-1v0c0,-0.55 -0.45,-1 -1,-1H7C6.45,2 6,2.45 6,3v0c0,0.55 0.45,1 1,1l1,0v5c0,1.66 -1.34,3 -3,3h0v2h5.97v7l1,1l1,-1v-7H19v-2h0C17.34,12 16,10.66 16,9z"/>
+</vector>

resources/src/main/res/values/strings.xml

@@ -614,4 +614,6 @@
   <string name="msg_64bit_on_32bit_device">You are using 64-bit variant of AndroidIDE on a 32-bit-only device. This configuration is not supported. Please install the 32-bit variant of AndroidIDE.</string>
   <string name="title_32bit_on_64bit_device">Configuration Warning</string>
   <string name="msg_32bit_on_64bit_device">You are using 32-bit variant of AndroidIDE on a 64-bit device. This configuration may work, but it\'ll result in reduced performance and possible security vulnerabilities. Please avoid using this configuration whenever possible.</string>
+  <string name="idepref_editor_pinLineNumbers_title">Pin line numbers</string>
+  <string name="idepref_editor_pinLineNumbers_summary">Whether the editor should pin line number panel when scrolled horizontally.</string>
 </resources>