feat(animate): allow disabling all animations globally or per buffer

lua/snacks/animate/init.lua

@@ -38,6 +38,7 @@ local defaults = {
 }
 
 ---@class snacks.animate.Opts: snacks.animate.Config
+---@field buf? number optional buffer to check if animations should be enabled
 ---@field int? boolean interpolate the value to an integer
 ---@field id? number|string unique identifier for the animation
 
@@ -70,6 +71,9 @@ Animation.__index = Animation
 ---@return number value, boolean done
 function Animation:next()
   self.start = self.start == 0 and uv.hrtime() or self.start
+  if not self:enabled() then
+    return self.to, true
+  end
   local elapsed = (uv.hrtime() - self.start) / 1e6 -- ms
   local b, c, d = self.from, self.to - self.from, self.duration
   local t, done = math.min(elapsed, d), elapsed >= d
@@ -78,6 +82,10 @@ function Animation:next()
   return value, done
 end
 
+function Animation:enabled()
+  return vim.g.snacks_animate ~= false and (vim.b[self.opts.buf or 0].snacks_animate ~= false)
+end
+
 ---@return boolean done
 function Animation:update()
   local value, done = self:next()

lua/snacks/dim.lua

@@ -116,7 +116,7 @@ function M.enable(opts)
           end
           scopes_anim[win].from = v
           Snacks.util.redraw(win)
-        end, vim.tbl_extend("keep", { int = true, id = "snacks_dim_from_" .. win }, opts.animate))
+        end, vim.tbl_extend("keep", { int = true, id = "snacks_dim_from_" .. win, buf = buf }, opts.animate))
 
         Snacks.animate(scopes_anim[win].to, scope.to, function(v)
           if not scopes_anim[win] then
@@ -124,7 +124,7 @@ function M.enable(opts)
           end
           scopes_anim[win].to = v
           Snacks.util.redraw(win)
-        end, vim.tbl_extend("keep", { int = true, id = "snacks_dim_to_" .. win }, opts.animate))
+        end, vim.tbl_extend("keep", { int = true, id = "snacks_dim_to_" .. win, buf = buf }, opts.animate))
       end
     end, opts.scope)
   if not scopes.enabled then

lua/snacks/indent.lua

@@ -356,11 +356,11 @@ end
 
 -- Called when the scope changes
 ---@param win number
----@param _buf number
+---@param buf number
 ---@param scope snacks.indent.Scope?
 ---@param prev snacks.indent.Scope?
 ---@private
-function M.on_scope(win, _buf, scope, prev)
+function M.on_scope(win, buf, scope, prev)
   stats.scope = stats.scope + 1
   if prev then -- clear previous scope
     Snacks.util.redraw_range(win, prev.from, prev.to)
@@ -382,6 +382,7 @@ function M.on_scope(win, _buf, scope, prev)
         vim.tbl_extend("keep", {
           int = true,
           id = "indent_scope_" .. win,
+          buf = buf,
         }, config.scope.animate)
       )
     end

lua/snacks/scroll.lua

@@ -260,7 +260,7 @@ function M.check(win)
         vim.fn.winrestview(state.current)
       end
     end)
-  end, vim.tbl_extend("keep", { int = true, id = ("scroll_%d"):format(win) }, config.animate))
+  end, vim.tbl_extend("keep", { int = true, id = ("scroll_%d"):format(win), buf = state.buf }, config.animate))
 end
 
 ---@private

lua/snacks/toggle.lua

@@ -370,4 +370,17 @@ function M.zoom()
   })
 end
 
+function M.animate()
+  return M.new({
+    id = "animate",
+    name = "Animations",
+    get = function()
+      return vim.g.snacks_animate ~= false
+    end,
+    set = function(state)
+      vim.g.snacks_animate = state
+    end,
+  })
+end
+
 return M