added config_spec and other plugin compatibility fixes.

1 files changed, 36 insertions, 20 deletions

diff --git a/plugins/tabnumbers.lua b/plugins/tabnumbers.lua
index 1656100..3a842b7 100644
--- a/plugins/tabnumbers.lua
+++ b/plugins/tabnumbers.lua
@@ -1,28 +1,44 @@
 -- mod-version:3 --lite-xl 2.1
+local config = require "core.config"
 local common = require "core.common"
-local core = require "core"
 local style = require "core.style"
+local Node = require "core.node"
 
--- quite hackish, but Node isn't normally public
-local Node = getmetatable(core.root_view.root_node)
-local draw_tabs = Node.draw_tabs
+config.plugins.tabnumbers = common.merge({
+  enabled = true,
+  -- The config specification used by the settings gui
+  config_spec = {
+    name = "Tab Numbers",
+    {
+      label = "Draw Tab Numbers",
+      description = "Show or hide numbers on the interface tabs.",
+      path = "enabled",
+      type = "toggle",
+      default = true
+    }
+  }
+}, config.plugins.tabnumbers)
 
-function Node:draw_tabs(...)
-  draw_tabs(self, ...)
-
-  for i, view in ipairs(self.views) do
-    if i > 9 then break end
-
-    local x, y, w, h = self:get_tab_rect(i)
-    local number = tostring(i)
-    local color = style.dim
-    local title_width = style.font:get_width(view:get_name())
-    local free_real_estate =
-      math.min(math.max((w - title_width) / 2, style.padding.x), h)
-    if view == self.active_view then
-      color = style.accent
+-- Overwrite draw_tab_title to prepend tab number
+local Node_draw_tab_title = Node.draw_tab_title
+function Node:draw_tab_title(view, font, is_active, is_hovered, x, y, w, h)
+  if config.plugins.tabnumbers.enabled then
+    local number = ""
+    for i, v in ipairs(self.views) do
+      if view == v then
+        number = tostring(i)
+      end
+    end
+    local padx = 0
+    if number ~= "" then
+      padx = style.font:get_width(number) + (style.padding.x / 2)
+      w = w - padx
+      local color = is_active and style.text or style.dim
+      common.draw_text(style.font, color, number, nil, x, y, w, h)
     end
-    -- renderer.draw_rect(x, y + h - 1, free_real_estate, 1, color)
-    common.draw_text(style.font, color, number, "center", x, y, free_real_estate, h)
+    local tx = x + padx -- Space for number
+    Node_draw_tab_title(self, view, font, is_active, is_hovered, tx, y, w, h)
+  else
+    Node_draw_tab_title(self, view, font, is_active, is_hovered, x, y, w, h)
   end
 end