add smoothcaret.lua

1 files changed, 26 insertions, 0 deletions

diff --git a/plugins/smoothcaret.lua b/plugins/smoothcaret.lua
new file mode 100644
index 0000000..26f7d98
--- /dev/null
+++ b/plugins/smoothcaret.lua
@@ -0,0 +1,26 @@
+-- mod-version:2 -- lite-xl 2.0
+local config = require "core.config"
+local style = require "core.style"
+local DocView = require "core.docview"
+
+config.plugins.smoothcaret = { rate = 0.65 }
+
+local docview_update = DocView.update
+function DocView:update()
+  docview_update(self)
+
+  if not self.caret then
+    self.caret = { current = { x = 0, y = 0 }, target = { x = 0, y = 0 } }
+  end  
+  local c = self.caret
+  self:move_towards(c.current, "x", c.target.x, config.plugins.smoothcaret.rate)
+  self:move_towards(c.current, "y", c.target.y, config.plugins.smoothcaret.rate)
+end
+
+function DocView:draw_caret(x, y)
+  local c = self.caret
+  local lh = self:get_line_height()
+  c.target.x = x
+  c.target.y = y
+  renderer.draw_rect(c.current.x, c.current.y, style.caret_width, lh, style.caret)
+end