feat(Vim Motion): multi line navigation support for motion H and L

IMOitself · Oct 4, 2024 · d223baa · d223baa
1 parent 003354a
commit d223baa
Showing 1 changed file with 14 additions and 2 deletions.
diff --git a/app/src/main/java/imo/text/Editor.java b/app/src/main/java/imo/text/Editor.java
@@ -130,8 +130,20 @@ public boolean onTouchEvent(MotionEvent event) {
     void moveCursorX(int amount){
         int newCharPosition = amount + currCharPosition;
 
-        if(newCharPosition < 0) return;
-        if(newCharPosition >= Lines.get(currLinePosition).charRects.size()) return;
+        if(newCharPosition < 0) {
+            int prevLinePosition = currLinePosition - 1;
+            if(prevLinePosition < 0) return;
+
+            currLinePosition = prevLinePosition;
+            newCharPosition = Lines.get(currLinePosition).charRects.size() - 1;
+        }
+        if(newCharPosition >= Lines.get(currLinePosition).charRects.size()) {
+            int nextLinePosition = currLinePosition + 1;
+            if(nextLinePosition >= Lines.size()) return;
+
+            currLinePosition = nextLinePosition;
+            newCharPosition = 0;
+        }
 
         currCharPosition = newCharPosition;
         invalidate();