Merge pull request #1065 from Guldoman/PR_log_size

Increase `config.max_log_items`, add a scrollbar and optimize `LogView`

data/core/config.lua

@@ -1,7 +1,7 @@
 local config = {}
 
 config.fps = 60
-config.max_log_items = 80
+config.max_log_items = 800
 config.message_timeout = 5
 config.mouse_wheel_scroll = 50 * SCALE
 config.animate_drag_scroll = false

data/core/logview.lua

@@ -1,5 +1,6 @@
 local core = require "core"
 local common = require "core.common"
+local config = require "core.config"
 local keymap = require "core.keymap"
 local style = require "core.style"
 local View = require "core.view"
@@ -81,6 +82,19 @@ function LogView:each_item()
 end
 
 
+function LogView:get_scrollable_size()
+  local _, y_off = self:get_content_offset()
+  local last_y, last_h = 0, 0
+  for i, item, x, y, w, h in self:each_item() do
+    last_y, last_h = y, h
+  end
+  if not config.scroll_past_end then
+    return last_y + last_h - y_off + style.padding.y
+  end
+  return last_y + self.size.y - y_off
+end
+
+
 function LogView:on_mouse_pressed(button, px, py, clicks)
   if LogView.super.on_mouse_pressed(self, button, px, py, clicks) then
     return true
@@ -154,6 +168,7 @@ function LogView:draw()
 
   local tw = style.font:get_width(datestr)
   for _, item, x, y, w, h in self:each_item() do
+    if y + h >= self.position.y and y <= self.position.y + self.size.y then
       core.push_clip_rect(x, y, w, h)
       x = x + style.padding.x
 
@@ -194,6 +209,8 @@ function LogView:draw()
       core.pop_clip_rect()
     end
   end
+  LogView.super.draw_scrollbar(self)
+end
 
 
 return LogView