From f4b7cb584fa3272c4df8f9691a6b3d93e86faaac Mon Sep 17 00:00:00 2001
From: ThaCuber <70547062+thacuber2a03@users.noreply.github.com>
Date: Tue, 31 Oct 2023 16:24:36 -0400
Subject: [PATCH] ease transparency of nagbar dim (#1658)

* ease transparency of nagbar dim

* tiny changes

* lerp alpha rather than the whole color
---
 data/core/nagview.lua | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/data/core/nagview.lua b/data/core/nagview.lua
index b66da75c..1a7fa193 100644
--- a/data/core/nagview.lua
+++ b/data/core/nagview.lua
@@ -24,6 +24,7 @@ function NagView:new()
   self.scrollable = true
   self.target_height = 0
   self.on_mouse_pressed_root = nil
+  self.dim_alpha = 0
 end
 
 function NagView:get_title()
@@ -68,7 +69,9 @@ function NagView:dim_window_content()
   oy = oy + self.show_height
   local w, h = core.root_view.size.x, core.root_view.size.y - oy
   core.root_view:defer_draw(function()
-    renderer.draw_rect(ox, oy, w, h, style.nagbar_dim)
+    local dim_color = { table.unpack(style.nagbar_dim) }
+    dim_color[4] = style.nagbar_dim[4] * self.dim_alpha
+    renderer.draw_rect(ox, oy, w, h, dim_color)
   end)
 end
 
@@ -172,10 +175,13 @@ function NagView:update()
   NagView.super.update(self)
 
   if self.visible and core.active_view == self and self.title then
-    self:move_towards(self, "show_height", self:get_target_height(), nil, "nagbar")
+    local target_height = self:get_target_height()
+    self:move_towards(self, "show_height", target_height, nil, "nagbar")
     self:move_towards(self, "underline_progress", 1, nil, "nagbar")
+    self:move_towards(self, "dim_alpha", self.show_height / target_height, nil, "nagbar")
   else
     self:move_towards(self, "show_height", 0, nil, "nagbar")
+    self:move_towards(self, "dim_alpha", 0, nil, "nagbar")
     if self.show_height <= 0 then
       self.title = nil
       self.message = nil