feat: add slanted-gap example

README.md

@@ -41,7 +41,8 @@ For those who want to break the norms. You can create custom looks in lualine.
 
 - [evil_lualine](examples/evil_lualine.lua)
   <img width='700' src='https://user-images.githubusercontent.com/13149513/113875129-4453ba00-97d8-11eb-8f21-94a9ef565db3.png'/>
-
+- [slanted-gaps](examples/slanted-gaps.lua)
+  <img width='700' src='https://user-images.githubusercontent.com/13149513/143395518-f6d6f748-c1ca-491b-9dab-246d0a8cf23f.png'/>
 - [bubbles](examples/bubbles.lua)
   <img width='700' src='https://user-images.githubusercontent.com/20235646/131350468-fc556196-5f46-4bfe-a72e-960f6a58db2c.png'/>
 

examples/slanted-gaps.lua

@@ -0,0 +1,124 @@
+local colors = {
+  red = '#ca1243',
+  grey = '#a0a1a7',
+  black = '#383a42',
+  white = '#f3f3f3',
+  light_green = '#83a598',
+  orange = '#fe8019',
+  green = '#8ec07c',
+}
+
+local theme = {
+  normal = {
+    a = { fg = colors.white, bg = colors.black },
+    b = { fg = colors.white, bg = colors.grey },
+    c = { fg = colors.black, bg = colors.white },
+    z = { fg = colors.white, bg = colors.black },
+  },
+  insert = { a = { fg = colors.black, bg = colors.light_green } },
+  visual = { a = { fg = colors.black, bg = colors.orange } },
+  replace = { a = { fg = colors.black, bg = colors.green } },
+}
+
+local empty = require('lualine.component'):extend()
+function empty:draw(default_highlight)
+  self.status = ''
+  self.applied_separator = ''
+  self:apply_highlights(default_highlight)
+  self:apply_section_separators()
+  return self.status
+end
+
+-- Put proper separators and gaps between components in sections
+local function process_sections(sections)
+  for name, section in pairs(sections) do
+    local left = name:sub(9, 10) < 'x'
+    for pos = 1, name ~= 'lualine_z' and #section or #section - 1 do
+      table.insert(section, pos * 2, { empty, color = { fg = colors.white, bg = colors.white } })
+    end
+    for id, comp in ipairs(section) do
+      if type(comp) ~= 'table' then
+        comp = { comp }
+        section[id] = comp
+      end
+      comp.separator = left and { right = '' } or { left = '' }
+    end
+  end
+  return sections
+end
+
+local function search_result()
+  if vim.v.hlsearch == 0 then
+    return ''
+  end
+  local last_search = vim.fn.getreg '/'
+  if not last_search or last_search == '' then
+    return ''
+  end
+  local searchcount = vim.fn.searchcount { maxcount = 9999 }
+  return last_search .. '(' .. searchcount.current .. '/' .. searchcount.total .. ')'
+end
+
+local function modified()
+  if vim.bo.modified then
+    return '+'
+  elseif vim.bo.modifiable == false or vim.bo.readonly == true then
+    return '-'
+  end
+  return ''
+end
+
+require('lualine').setup {
+  options = {
+    theme = theme,
+    component_separators = '',
+    section_separators = { left = '', right = '' },
+  },
+  sections = process_sections {
+    lualine_a = { 'mode' },
+    lualine_b = {
+      'branch',
+      'diff',
+      {
+        'diagnostics',
+        source = { 'nvim' },
+        sections = { 'error' },
+        diagnostics_color = { error = { bg = colors.red, fg = colors.white } },
+      },
+      {
+        'diagnostics',
+        source = { 'nvim' },
+        sections = { 'warn' },
+        diagnostics_color = { warn = { bg = colors.orange, fg = colors.white } },
+      },
+      { 'filename', file_status = false, path = 1 },
+      { modified, color = { bg = colors.red } },
+      {
+        '%w',
+        cond = function()
+          return vim.wo.previewwindow
+        end,
+      },
+      {
+        '%r',
+        cond = function()
+          return vim.bo.readonly
+        end,
+      },
+      {
+        '%q',
+        cond = function()
+          return vim.bo.buftype == 'quickfix'
+        end,
+      },
+    },
+    lualine_c = {},
+    lualine_x = {},
+    lualine_y = { search_result, 'filetype' },
+    lualine_z = { '%l:%c', '%p%%/%L' },
+  },
+  inactive_sections = {
+    lualine_c = { '%f %y %m' },
+    lualine_x = {},
+  },
+}