[p/heirline] Added statusline config

2 files changed, 164 insertions, 0 deletions

diff --git a/lua/plugins.lua b/lua/plugins.lua
index c57467b..00db4ce 100644
--- a/lua/plugins.lua
+++ b/lua/plugins.lua
@@ -4,6 +4,8 @@ vim.call('plug#begin')
 Plug("morhetz/gruvbox") -- Color theme
 Plug("nvim-treesitter/nvim-treesitter")
 Plug("neovim/nvim-lspconfig")
+Plug("nvim-tree/nvim-web-devicons")
+Plug("rebelot/heirline.nvim")
 
 vim.call('plug#end')
 
@@ -22,3 +24,6 @@ require("nvim-treesitter.configs").setup({
 	incremental_selection = { enable = true },
 	textobjects = { enable = true },
 })
+
+--[==[ Heirline ]==]--
+require("plugins.heirline")
diff --git a/lua/plugins/heirline.lua b/lua/plugins/heirline.lua
new file mode 100644
index 0000000..126066a
--- /dev/null
+++ b/lua/plugins/heirline.lua
@@ -0,0 +1,159 @@
+local utils = require("heirline.utils")
+local conditions = require("heirline.conditions")
+
+--[=[ Helpers ]=]--
+
+function inverseColors(highlight)
+	if highlight == nil then return nil end
+
+	if type(highlight) == "string" then
+		highlight = utils.get_highlight(highlight)
+	end
+
+	highlight.cterm = { reverse = true }
+	return highlight
+end
+
+local delimiters = {
+	FilledCircle = { "", "" },
+	Circle       = { "", "" },
+}
+local StatusLineColor = utils.get_highlight("StatusLine")
+
+function surround(delimiters, component)
+	return {
+		init = function(self)
+			local highlight
+			if component.hl ~= nil and type(component.hl) == "function" then
+				if component.init ~= nil then
+					component:init()
+				end
+				highlight = component:hl()
+			else
+				highlight = component.hl
+			end
+
+			self.inverse = inverseColors(highlight)
+			self.inverse.ctermfg = StatusLineColor.ctermfg -- Actually sets bg, but both are reversed
+		end,
+
+		{
+			condition = function() return conditions.is_active() end,
+			provider = delimiters[1],
+			hl = function(self) return self.inverse end,
+		},
+		component,
+		{
+			condition = function() return conditions.is_active() end,
+			provider = delimiters[2],
+			hl = function(self) return self.inverse end,
+		},
+
+		update = { "BufEnter", "BufLeave" },
+	}
+end
+
+--[=[ Common elements ]=]--
+
+local FileStat = {
+	{
+		condition = function()
+			return vim.bo.readonly
+		end,
+		provider = "",
+	},
+	{
+		condition = function()
+			return vim.bo.modified or not vim.bo.modifiable
+		end,
+		provider = function(self)
+			local prepend = vim.bo.readonly and " " or ""
+			if vim.bo.modified       then return prepend.."" end
+			if not vim.bo.modifiable then return prepend.."" end
+		end,
+	},
+}
+
+local FileType = {
+	static = {
+		get_icon = require("nvim-web-devicons").get_icon_by_filetype,
+	},
+	provider = function(self)
+		local icon = self.get_icon(vim.bo.filetype)
+		if icon ~= nil then icon = icon.." "
+		else icon = ""
+		end
+		return icon..vim.bo.filetype
+	end,
+}
+
+local Filename = { provider = "%f", }
+local Space    = { provider = " ", }
+
+--[=[ Statusline ]=]--
+
+vim.cmd.highlight({ "ModeNormal",  "ctermfg=236", "ctermbg=117" })
+vim.cmd.highlight({ "ModeInsert",  "ctermfg=236", "ctermbg=119" })
+vim.cmd.highlight({ "ModeReplace", "ctermfg=236", "ctermbg=203" })
+vim.cmd.highlight({ "ModeVisual",  "ctermfg=236", "ctermbg=216" })
+
+local Mode = surround(delimiters.FilledCircle, {
+	init = function(self)
+		self.modestr = vim.fn.mode(1)
+		    if self.modestr == "\22" then self.modestr = "V^"
+		elseif self.modestr == "\22s" then self.modestr = "V^s"
+		end
+	end,
+
+	provider = function(self)
+		if not conditions.is_active() then return "   " end
+		return self.modestr
+	end,
+	hl = function(self)
+		if not conditions.is_active() then return "StatusLineNC" end
+
+		local modeletter = self.modestr:sub(1,1):lower()
+
+		    if modeletter == "i" then return "ModeInsert"
+		elseif modeletter == "r" then return "ModeReplace"
+		elseif modeletter == "v" then return "ModeVisual"
+		end
+
+		return "ModeNormal"
+	end,
+})
+
+
+vim.cmd.highlight({ "RowAndColumn", "ctermfg=238", "ctermbg=244" })
+
+local LineAndColumn = surround(delimiters.FilledCircle, {
+	provider = function(self)
+		if not conditions.is_active() then
+			local row,col = unpack(vim.api.nvim_win_get_cursor(0))
+			return string.rep(" ", 1 + tostring(row):len() + tostring(col):len())
+		end
+		return "%l:%c"
+	end,
+	hl = function(self)
+		if not conditions.is_active() then return "StatusLineNC" end
+		return "RowAndColumn"
+	end,
+})
+
+local LeftShrink   = { provider = "%<", }
+local LeftSep      = { provider = " "..delimiters.Circle[2].." " }
+local RightSep     = { provider = " "..delimiters.Circle[1].." " }
+local ExpandMiddle = { provider = "%=", }
+local CursorChar   = { provider = "%b", }
+
+local StatusLine = {
+	Mode, LeftShrink, Space, Filename, LeftSep, FileStat,
+	ExpandMiddle,
+	CursorChar, RightSep, FileType, Space, LineAndColumn
+}
+
+--[=[ Setup ]=]--
+
+require("heirline").setup({
+	statusline = StatusLine,
+})