fix ctrl+down

renderer.nim

@@ -25,6 +25,7 @@ proc render*(textBuffer: TextBuffer, termBuffer: Buffer, prompt: string, scroll:
 
   if bufWidth != termWidth or bufHeight != min(lineCount, termHeight):
     termBuffer.resize(termWidth, min(lineCount, termHeight))
+  
 
   termBuffer.clear()
 

terminalUtils/buffer.nim

@@ -1,6 +1,7 @@
 import unicode
 import escapeSequences
 import sequtils
+import strformat
 
 type
   Buffer* = ref object
@@ -47,7 +48,7 @@ func getCursorPos*(buf: Buffer): (int, int) =
 
 proc setCursorPos*(buf: Buffer, x, y: int) =
   if x < 0 or y < 0 or x >= buf.width or y >= buf.height:
-    raise newException(ValueError, "Provided x or y out of bounds for SetCursorPos.")
+    raise newException(ValueError, &"Provided x ({x}) or y ({y}) out of bounds (x: {0}..{buf.width-1}; y: {0}..{buf.height-1}) for SetCursorPos.")
   buf.bufferX = x
   buf.bufferY = y
 

textBuffer.nim

@@ -97,9 +97,9 @@ proc enter*(buf: TextBuffer) =
 proc newLine*(buf: TextBuffer) =
   # inserts a new empty line below the current one
   # and moves cursor to it
-  # TODO fix crash
   inc buf.cursorY
-  buf.content.insert(@[], buf.cursorY)
+  let empty: seq[Rune] = @[]
+  buf.content.insert(empty, buf.cursorY)
   buf.cursorX = 0
 
 proc getLineCount*(buf: TextBuffer): int =