From ad334872b52e98607148bb82b5f627d5ff9e8342 Mon Sep 17 00:00:00 2001
From: Bruce Hill <bitbucket@bruce-hill.com>
Date: Wed, 2 May 2018 17:15:40 -0700
Subject: [PATCH] Minor fixes, including for blank lines in wrapped text.

---
 ldt.lua  | 17 ++++++++++++-----
 ldt.moon | 14 +++++++++-----
 2 files changed, 21 insertions(+), 10 deletions(-)

diff --git a/ldt.lua b/ldt.lua
index 3e4b9c4..09d8b3a 100644
--- a/ldt.lua
+++ b/ldt.lua
@@ -38,8 +38,11 @@ wrap_text = function(text, width)
     while #line > width do
       table.insert(lines, line:sub(1, width))
       line = line:sub(width + 1, -1)
+      if #line == 0 then
+        line = nil
+      end
     end
-    if #line > 0 then
+    if line then
       table.insert(lines, line)
     end
   end
@@ -1074,7 +1077,7 @@ ldb = {
         max_fn_name = math.max(max_fn_name, #stack_names[i])
         max_filename = math.max(max_filename, #stack_locations[i])
       end
-      local stack_h = math.max(#stack_names + 2, math.floor(2 / 3 * SCREEN_H))
+      local stack_h = math.floor(SCREEN_H * .6)
       local stack_w = math.min(max_fn_name + 3 + max_filename, math.floor(1 / 3 * SCREEN_W))
       pads.stack = Pad("(C)allstack", pads.err.height, SCREEN_W - stack_w, stack_h, stack_w, stack_names, (function(self, i)
         return (i == self.selected) and Color("black on green") or Color("green bold")
@@ -1266,8 +1269,10 @@ ldb = {
           selected_pad:refresh()
         end
         selected_pad = pad
-        selected_pad:set_active(true)
-        return selected_pad:refresh()
+        if selected_pad then
+          selected_pad:set_active(true)
+          return selected_pad:refresh()
+        end
       end
     end
     select_pad(pads.stack)
@@ -1464,7 +1469,9 @@ ldb = {
           end
         end
       else
-        selected_pad:keypress(c)
+        if selected_pad then
+          selected_pad:keypress(c)
+        end
       end
     end
     return C.endwin()
diff --git a/ldt.moon b/ldt.moon
index 841e8bb..d24832f 100644
--- a/ldt.moon
+++ b/ldt.moon
@@ -36,7 +36,9 @@ wrap_text = (text, width)->
         while #line > width
             table.insert(lines, line\sub(1,width))
             line = line\sub(width+1,-1)
-        if #line > 0
+            if #line == 0
+                line = nil
+        if line
             table.insert(lines, line)
     return lines
 
@@ -701,7 +703,7 @@ ldb = {
                 max_fn_name = math.max(max_fn_name, #stack_names[i])
                 max_filename = math.max(max_filename, #stack_locations[i])
 
-            stack_h = math.max(#stack_names+2, math.floor(2/3*SCREEN_H))
+            stack_h = math.floor(SCREEN_H*.6)--math.max(#stack_names+2, math.floor(2/3*SCREEN_H))
             stack_w = math.min(max_fn_name + 3 + max_filename, math.floor(1/3*SCREEN_W))
             pads.stack = Pad "(C)allstack",pads.err.height,SCREEN_W-stack_w,stack_h,stack_w,
                 stack_names, ((i)=> (i == @selected) and Color("black on green") or Color("green bold")),
@@ -823,8 +825,9 @@ ldb = {
                     selected_pad\set_active(false)
                     selected_pad\refresh!
                 selected_pad = pad
-                selected_pad\set_active(true)
-                selected_pad\refresh!
+                if selected_pad
+                    selected_pad\set_active(true)
+                    selected_pad\refresh!
         
         select_pad(pads.stack)
 
@@ -989,7 +992,8 @@ ldb = {
                                 break
                 
                 else
-                    selected_pad\keypress(c)
+                    if selected_pad
+                        selected_pad\keypress(c)
 
         C.endwin!