Prevent long lines from breaking the layout

Author: st0012

lib/debug/local.rb

@@ -194,8 +194,8 @@ def initialize(width, height, top_frame:)
         @height = height
         @width = width
         @top_frame = TopFrame.new(@width, TopFrame::HEIGHT, type: top_frame)
-        # we need to leave 1 line for the input
-        @repl = REPL.new(@width, height - @top_frame.height - 1)
+        # we need to leave 1 line for the input and 1 line for overflow buffer
+        @repl = REPL.new(@width, height - @top_frame.height - 2)
       end
 
       def render
@@ -215,6 +215,7 @@ class Window
 
       def initialize(width, height)
         @width = width
+        @content_width = @width
         @height = height
         @content_height = @height
         @lines = []
@@ -225,7 +226,22 @@ def puts line = ""
           @lines.slice!(0)
         end
 
-        @lines << line
+        # if the current line will break into multiple lines, we need to skip more lines for it. otherwise it'll affect the overall layout
+        if line.length > @content_width
+          n_lines = (line.length/@content_width.to_f).ceil
+
+          start = 0
+          n_lines.times do
+            if @lines.length >= @content_height
+              @lines.slice!(0)
+            end
+
+            @lines << line[start..(start + @content_width - 1)]
+            start += @content_width
+          end
+        else
+          @lines << line
+        end
       end
 
       def render(io)
@@ -242,8 +258,11 @@ def clear!
     class TopFrame < Window
       HEIGHT = 15
 
-      def initialize(*args, type:)
-        super(*args)
+      def initialize(width, height, type:)
+        super(width, height)
+        # border and padding
+        @content_width = @width - 2
+        # top and bottom border
         @content_height = @height - 2
         @type = type
       end