diff --git a/README.md b/README.md
index 65d6a7a..3d702ec 100644
--- a/README.md
+++ b/README.md
@@ -58,6 +58,9 @@ use {
```
## Usage and customization
+Lualine can be configured with both lua and vimscript.
+Click [here](#lua-config-example) if you want to see a config example in lua and [here](#vimscript-config-example) if you want to see a config example in vimscript.
+
Lualine has sections as shown below.
```
@@ -69,8 +72,6 @@ Lualine has sections as shown below.
Each sections holds it's components e.g. current vim's mode.
Colorscheme of sections is mirrored, meaning section `A` will have the same colorscheme as section `Z` etc.
-Configuration is currently limited to lua, please use lua block or a separate lua file to configure lualine.
-
### Starting lualine
```lua
local lualine = require('lualine')
@@ -131,17 +132,16 @@ lualine.inactive_sections = {
Available components
-* general
- * branch (git branch)
- * diagnostics (diagnostics count from your prefered source)
- * encoding (file encoding)
- * fileformat (file format)
- * filename
- * filetype
- * location (location in file in line:column format)
- * mode (vim mode)
- * progress (%progress in file)
- * diff (git diff status)
+* branch (git branch)
+* diagnostics (diagnostics count from your prefered source)
+* encoding (file encoding)
+* fileformat (file format)
+* filename
+* filetype
+* location (location in file in line:column format)
+* mode (vim mode)
+* progress (%progress in file)
+* diff (git diff status)
@@ -165,7 +165,7 @@ lualine.sections.lualine_a = { hello }
You can use vim functions as a lualine component
-```
+```lua
lualine.sections.lualine_b = { 'FugitiveHead' }
```
@@ -178,7 +178,7 @@ You can use variables from vim and lua globals as a lualine component
Variables from g:, v:, t:, w:, b:, o, go:, vo:, to:, wo:, bo: scopes
can be used. Scopes ending with o are options usualy accessed with `&` in vimscript
-```
+```lua
lualine.sections.lualine_b = { 'g:coc_status', 'bo:filetype' }
```
@@ -265,7 +265,7 @@ lualine.sections.lualine_b = {
format = function(name)
-- Capitalize first charecter of filename to capital.
local path, fname = name:match('(.*/)(.*)')
- if not path then path = ''; fname = name end
+ if not path then path = ''; fname = name end
return path .. fname:sub(1, 1):upper() .. fname:sub(2, #fname)
end
}
@@ -274,6 +274,33 @@ lualine.sections.lualine_b = {
+### Using tabline as statusline
+You can use lualine to display components in tabline .
+The sections, configurations and highlights are same as statusline.
+
+```
+lualine.tabline = {
+ lualine_a = { },
+ lualine_b = { 'branch' },
+ lualine_c = { 'filename' },
+ lualine_x = { },
+ lualine_y = { },
+ lualine_z = { },
+}
+```
+This will show branch and filename component in top of neovim inside tabline .
+
+
+You can also completely move your statuline to tabline by configuring lualine.tabline
+instead of lualine.sections & lualine.inactive_sections and setting them to empty
+```
+lualine.tabline = {
+......
+ }
+lualine.sections = {}
+lualine.inactive_sections = {}
+```
+
### Loading plugin extensions
Lualine extensions change statusline appearance for a window/buffer with a plugin loaded e.g. [junegunn/fzf.vim](https://github.com/junegunn/fzf.vim)
@@ -284,7 +311,7 @@ lualine.extensions = { 'fzf' }
All available extensions are listed in [EXTENSIONS.md](./EXTENSIONS.md)
-### Full config example using [packer.nvim](https://github.com/wbthomason/packer.nvim)
+### Lua config example
packer config
@@ -294,69 +321,68 @@ All available extensions are listed in [EXTENSIONS.md](./EXTENSIONS.md)
'hoob3rt/lualine.nvim',
requires = {'kyazdani42/nvim-web-devicons', opt = true},
config = function()
- local lualine = require('lualine')
- lualine.options = {
- theme = 'gruvbox',
- section_separators = {'', ''},
- component_separators = {'', ''},
- icons_enabled = true,
+ require('lualine').status{
+ options = {
+ theme = 'gruvbox',
+ section_separators = {'', ''},
+ component_separators = {'', ''},
+ icons_enabled = true,
+ },
+ sections = {
+ lualine_a = { {'mode', upper = true} },
+ lualine_b = { {'branch', icon = ''} },
+ lualine_c = { {'filename', file_status = true} },
+ lualine_x = { 'encoding', 'fileformat', 'filetype' },
+ lualine_y = { 'progress' },
+ lualine_z = { 'location' },
+ },
+ inactive_sections = {
+ lualine_a = { },
+ lualine_b = { },
+ lualine_c = { 'filename' },
+ lualine_x = { 'location' },
+ lualine_y = { },
+ lualine_z = { }
+ },
+ extensions = { 'fzf' }
}
- lualine.sections = {
- lualine_a = { 'mode' },
- lualine_b = { 'branch' },
- lualine_c = { 'filename' },
- lualine_x = { 'encoding', 'fileformat', 'filetype' },
- lualine_y = { 'progress' },
- lualine_z = { 'location' },
- }
- lualine.inactive_sections = {
- lualine_a = { },
- lualine_b = { },
- lualine_c = { 'filename' },
- lualine_x = { 'location' },
- lualine_y = { },
- lualine_z = { }
- }
- lualine.extensions = { 'fzf' }
- lualine.status()
end
}
```
-### Full config example inside `.vimrc`/`init.vim`
+### Vimscript config example
vimrc config
```vim
-lua << EOF
-local lualine = require('lualine')
- lualine.options = {
- theme = 'gruvbox',
- section_separators = {'', ''},
- component_separators = {'', ''},
- icons_enabled = true,
- }
- lualine.sections = {
- lualine_a = { 'mode' },
- lualine_b = { 'branch' },
- lualine_c = { 'filename' },
- lualine_x = { 'encoding', 'fileformat', 'filetype' },
- lualine_y = { 'progress' },
- lualine_z = { 'location' },
- }
- lualine.inactive_sections = {
- lualine_a = { },
- lualine_b = { },
- lualine_c = { 'filename' },
- lualine_x = { 'location' },
- lualine_y = { },
- lualine_z = { }
- }
- lualine.extensions = { 'fzf' }
- lualine.status()
-EOF
+let g:lualine = {
+ \'options' : {
+ \ 'theme' : 'gruvbox',
+ \ 'section_separators' : ['', ''],
+ \ 'component_separators' : ['', ''],
+ \ 'icons_enabled' : v:true,
+ \},
+ \'sections' : {
+ \ 'lualine_a' : [ ['mode', {'upper': v:true,},], ],
+ \ 'lualine_b' : [ ['branch', {'icon': '',}, ], ],
+ \ 'lualine_c' : [ ['filename', {'file_status': v:true,},], ],
+ \ 'lualine_x' : [ 'encoding', 'fileformat', 'filetype' ],
+ \ 'lualine_y' : [ 'progress' ],
+ \ 'lualine_z' : [ 'location' ],
+ \},
+ \'inactive_sections' : {
+ \ 'lualine_a' : [ ],
+ \ 'lualine_b' : [ ],
+ \ 'lualine_c' : [ 'filename' ],
+ \ 'lualine_x' : [ 'location' ],
+ \ 'lualine_y' : [ ],
+ \ 'lualine_z' : [ ],
+ \},
+ \'extensions' : [ 'fzf' ],
+ \}
+lua require("lualine").status()
```
diff --git a/THEMES.md b/THEMES.md
index 831c5ea..fa38aac 100644
--- a/THEMES.md
+++ b/THEMES.md
@@ -2,6 +2,9 @@
All available themes are only best effort ports by myself/ other users. If you find a theme to be weird/ wrong please open an issue/ pr.
+### auto
+if your favourite colorcheme is not yet supported you can use `auto` to make
+lualine try to match your colorscheme.
### 16color
diff --git a/doc/lualine.txt b/doc/lualine.txt
index 5075dab..c4d85a8 100644
--- a/doc/lualine.txt
+++ b/doc/lualine.txt
@@ -1,5 +1,5 @@
*lualine.txt* A blazing fast and easy to configure statusline
- *lualine_nvim* *lualine*
+ *lualine_nvim* *lualine*
Author: hoob3rt (https://github.com/hoob3rt)
License: MIT License
@@ -37,15 +37,16 @@ CONTENTS *lualine_contents*
1.3.4. Changing components.................|lualine_changing_components|
1.3.5. Building Custom components............|lualine_custom_components|
1.3.6. Custom options...........................|lualine_custom_options|
- 1.3.7. Loading plugin extensions.....|lualine_loading_plugin_extensions|
- 1.3.8 Config examples.........................|lualine_config_examples|
- 1.3.8.1. Packer.nvim......|lualine_config_example_using_packer.nvim|
- 1.3.8.2 VIML example.......|lualine_full_config_example_inside_viml|
+ 1.3.7. Using tabline as statusline...............|lualine_using_tabline|
+ 1.3.8. Loading plugin extensions.....|lualine_loading_plugin_extensions|
+ 1.3.9 Config examples.........................|lualine_config_examples|
+ 1.3.9.1. Packer.nvim......|lualine_config_example_using_packer.nvim|
+ 1.3.9.2 VIML example.......|lualine_full_config_example_inside_viml|
1.4. Contributing.....................................|lualine_contributing|
1.5. Screenshots.......................................|lualine_screenshots|
================================================================================
-PERFORMANCE COMPARISM *lualine_performance_comparism*
+PERFORMANCE COMPARISM *lualine_performance_comparism*
Unlike other statusline plugins lualine loads only defined components, nothing else.
@@ -62,7 +63,7 @@ installed
--------------------------------------------------------------------------------
INSTALLATION *lualine_installation*
-VIM-PLUG *lualine_vim-plug*
+VIM-PLUG *lualine_vim-plug*
>
Plug 'hoob3rt/lualine.nvim'
" If you want to have icons in your statusline choose one of these
@@ -70,7 +71,7 @@ VIM-PLUG *lualine_vim-plug*
Plug 'ryanoasis/vim-devicons'
<
-PACKER.NVIM *lualine_packer.nvim*
+PACKER.NVIM *lualine_packer.nvim*
>
use {
'hoob3rt/lualine.nvim',
@@ -111,7 +112,7 @@ All available themes are listed in THEMES.md (./THEMES.md)
Please create a pr if you managed to port a popular theme before me, here is
how to do it (./CONTRIBUTING.md).
-CHANGING SEPARATOR IN SECTION *lualine_changing_separator*
+CHANGING SEPARATOR IN SECTION *lualine_changing_separator*
Lualine defines two kinds of seperators. One is for sections and other is
for components. Default section seperators are '', '' and component
@@ -157,10 +158,10 @@ Lualine defaults~
Available components~
general~
- * branch (git branch)
- * diagnostics (diagnostics count from your prefered source)
- * encoding (file encoding)
- * fileformat (file format)
+ * branch (git branch)
+ * diagnostics (diagnostics count from your prefered source)
+ * encoding (file encoding)
+ * fileformat (file format)
* filename
* filetype
* location (location in file in line:column format)
@@ -170,7 +171,7 @@ Available components~
--------------------------------------------------------------------------------
-BUILDING YOUR COMPONENTS *lualine_custom_components*
+BUILDING YOUR COMPONENTS *lualine_custom_components*
Using custom functions as lualine component~
@@ -301,13 +302,13 @@ List of options are given below.
changes diagnostic's symbol characters. You can set one or more symbols
for each level.
>
- {
- 'diagnostics',
- symbols = {
- -- set the error symbol and use defaults for warn and info.
- error = '!!',
- },
- }
+ {
+ 'diagnostics',
+ symbols = {
+ -- set the error symbol and use defaults for warn and info.
+ error = '!!',
+ },
+ }
<
• filename~
@@ -346,13 +347,13 @@ List of options are given below.
Changes diff's symbol characters. You can set some symbols partly.
Color in #rrggbb format
>
- {
- 'diff',
- -- set the added symbol and use defaults for modified and removed.
- symbols = {
- added = 'A',
- },
- }
+ {
+ 'diff',
+ -- set the added symbol and use defaults for modified and removed.
+ symbols = {
+ added = 'A',
+ },
+ }
<
Example:~
@@ -371,12 +372,39 @@ Example:~
format = function(name)
-- Capitalize first charecter of filename to capital.
local path, fname = name:match('(.*/)(.*)')
- if not path then path = ''; fname = name end
+ if not path then path = ''; fname = name end
return path .. fname:sub(1, 1):upper() .. fname:sub(2, #fname)
end
}
}
+-------------------------------------------------------------------------------
+USING TABLINE AS STATUSLINE *lualine_using_tabline*
+
+You can use lualine to display components in tabline .
+The sections, configurations and highlights are same as statusline.
+
+>
+ lualine.tabline = {
+ lualine_a = { },
+ lualine_b = { 'branch' },
+ lualine_c = { 'filename' },
+ lualine_x = { },
+ lualine_y = { },
+ lualine_z = { },
+ }
<
+This will show branch and filename component in top of neovim inside tabline .
+
+You can also completely move your statuline to tabline by configuring lualine.tabline
+instead of lualine.sections & lualine.inactive_sections and setting them to empty
+>
+ lualine.tabline = {
+ ......
+ }
+ lualine.sections = {}
+ lualine.inactive_sections = {}
+<
+
--------------------------------------------------------------------------------
LOADING PLUGIN EXTENSIONS *lualine_loading_plugin_extensions*
@@ -393,7 +421,7 @@ using a plugin which is supported you can load it this way:
All available extensions are listed in EXTENSIONS.md (./EXTENSIONS.md)
--------------------------------------------------------------------------------
-CONGIG EXAMPLES *lualine_config_examples*
+CONGIG EXAMPLES *lualine_config_examples*
FULL CONFIG EXAMPLE USING PACKER.NVIM *lualine_config_example_using_packer.nvim*
@@ -404,31 +432,31 @@ packer config
'hoob3rt/lualine.nvim',
requires = {'kyazdani42/nvim-web-devicons', opt = true},
config = function()
- local lualine = require('lualine')
- lualine.options = {
- theme = 'gruvbox',
- section_separators = {'', ''},
- component_separators = {'', ''},
- icons_enabled = true,
- }
- lualine.sections = {
- lualine_a = { 'mode' },
- lualine_b = { 'branch' },
- lualine_c = { 'filename' },
- lualine_x = { 'encoding', 'fileformat', 'filetype' },
- lualine_y = { 'progress' },
- lualine_z = { 'location' },
+ require('lualine').status{
+ options = {
+ theme = 'gruvbox',
+ section_separators = {'', ''},
+ component_separators = {'', ''},
+ icons_enabled = true,
+ },
+ sections = {
+ lualine_a = { {'mode', upper = true} },
+ lualine_b = { {'branch', icon = ''} },
+ lualine_c = { {'filename', file_status = true} },
+ lualine_x = { 'encoding', 'fileformat', 'filetype' },
+ lualine_y = { 'progress' },
+ lualine_z = { 'location' },
+ },
+ inactive_sections = {
+ lualine_a = { },
+ lualine_b = { },
+ lualine_c = { 'filename' },
+ lualine_x = { 'location' },
+ lualine_y = { },
+ lualine_z = { }
+ },
+ extensions = { 'fzf' }
}
- lualine.inactive_sections = {
- lualine_a = { },
- lualine_b = { },
- lualine_c = { 'filename' },
- lualine_x = { 'location' },
- lualine_y = { },
- lualine_z = { }
- }
- lualine.extensions = { 'fzf' }
- lualine.status()
end
}
<
@@ -440,33 +468,32 @@ FULL CONFIG EXAMPLE INSIDE VIML *lualine_full_config_example_inside_viml*
vimrc config
>
- lua << EOF
- local lualine = require('lualine')
- lualine.options = {
- theme = 'gruvbox',
- section_separators = {'', ''},
- component_separators = {'', ''},
- icons_enabled = true,
- }
- lualine.sections = {
- lualine_a = { 'mode' },
- lualine_b = { 'branch' },
- lualine_c = { 'filename' },
- lualine_x = { 'encoding', 'fileformat', 'filetype' },
- lualine_y = { 'progress' },
- lualine_z = { 'location' },
- }
- lualine.inactive_sections = {
- lualine_a = { },
- lualine_b = { },
- lualine_c = { 'filename' },
- lualine_x = { 'location' },
- lualine_y = { },
- lualine_z = { }
- }
- lualine.extensions = { 'fzf' }
- lualine.status()
- EOF
+ let g:lualine = {
+ \'options' : {
+ \ 'theme' : 'gruvbox',
+ \ 'section_separators' : ['', ''],
+ \ 'component_separators' : ['', ''],
+ \ 'icons_enabled' : v:true,
+ \},
+ \'sections' : {
+ \ 'lualine_a' : [ ['mode', {'upper': v:true,},], ],
+ \ 'lualine_b' : [ ['branch', {'icon': '',}, ], ],
+ \ 'lualine_c' : [ ['filename', {'file_status': v:true,},], ],
+ \ 'lualine_x' : [ 'encoding', 'fileformat', 'filetype' ],
+ \ 'lualine_y' : [ 'progress' ],
+ \ 'lualine_z' : [ 'location' ],
+ \},
+ \'inactive_sections' : {
+ \ 'lualine_a' : [ ],
+ \ 'lualine_b' : [ ],
+ \ 'lualine_c' : [ 'filename' ],
+ \ 'lualine_x' : [ 'location' ],
+ \ 'lualine_y' : [ ],
+ \ 'lualine_z' : [ ],
+ \},
+ \'extensions' : [ 'fzf' ],
+ \}
+ lua require("lualine").status()
<
--------------------------------------------------------------------------------
diff --git a/doc/tags b/doc/tags
index cfa3558..b37c93a 100644
--- a/doc/tags
+++ b/doc/tags
@@ -19,4 +19,5 @@ lualine_screenshots lualine.txt /*lualine_screenshots*
lualine_setting_theme lualine.txt /*lualine_setting_theme*
lualine_starting_lualine lualine.txt /*lualine_starting_lualine*
lualine_usage_and_customization lualine.txt /*lualine_usage_and_customization*
+lualine_using_tabline lualine.txt /*lualine_using_tabline*
lualine_vim-plug lualine.txt /*lualine_vim-plug*
diff --git a/lua/lualine.lua b/lua/lualine.lua
index 2e2d1bc..e1fca49 100644
--- a/lua/lualine.lua
+++ b/lua/lualine.lua
@@ -35,6 +35,8 @@ M.inactive_sections = {
lualine_z = { }
}
+M.tabline = {}
+
M.extensions = {}
local function apply_configuration(config_table)
@@ -59,6 +61,7 @@ local function apply_configuration(config_table)
parse_sections('options')
parse_sections('sections')
parse_sections('inactive_sections')
+ parse_sections('tabline')
if config_table.extensions then M.extensions = config_table.extensions end
end
@@ -167,6 +170,7 @@ end
local function load_components()
load_sections(M.sections)
load_sections(M.inactive_sections)
+ load_sections(M.tabline)
end
local function load_extensions()
@@ -297,25 +301,49 @@ local function status_dispatch()
end
end
-local function exec_autocommands()
+local function tabline()
+ return statusline(M.tabline, true)
+end
+
+local function setup_theme()
+ lualine_set_theme()
_G.lualine_set_theme = lualine_set_theme
- _G.lualine_statusline = status_dispatch
vim.api.nvim_exec([[
augroup lualine
autocmd!
autocmd ColorScheme * call v:lua.lualine_set_theme()
- autocmd WinLeave,BufLeave * lua vim.wo.statusline=lualine_statusline()
- autocmd WinEnter,BufEnter * setlocal statusline=%!v:lua.lualine_statusline()
augroup END
]], false)
end
-function M.status()
+local function set_tabline()
+ if next(M.tabline) ~= nil then
+ _G.lualine_tabline = tabline
+ vim.o.tabline = '%!v:lua.lualine_tabline()'
+ vim.o.showtabline = 2
+ end
+end
+
+local function set_statusline()
+ if next(M.sections) ~= nil or next(M.inactive_sections) ~= nil then
+ _G.lualine_statusline = status_dispatch
+ vim.o.statusline = '%!v:lua.lualine_statusline()'
+ vim.api.nvim_exec([[
+ autocmd lualine WinLeave,BufLeave * lua vim.wo.statusline=lualine_statusline()
+ autocmd lualine WinEnter,BufEnter * setlocal statusline=%!v:lua.lualine_statusline()
+ ]], false)
+ end
+end
+
+function M.status(config)
+ apply_configuration(vim.g.lualine)
+ apply_configuration(config)
check_single_separator()
- lualine_set_theme()
- exec_autocommands()
+ setup_theme()
load_components()
load_extensions()
+ set_statusline()
+ set_tabline()
end
return M
diff --git a/lua/lualine/highlight.lua b/lua/lualine/highlight.lua
index b21a1a1..5fa8f91 100644
--- a/lua/lualine/highlight.lua
+++ b/lua/lualine/highlight.lua
@@ -142,7 +142,7 @@ end
-- @param left_section_data :(string) section before separator
-- @param right_section_data:(string) section after separator
-- @param reverse :(string) Whether it's a left separator or right separator
--- '▶️' and '◀️' needs reverse colors so this parameter needs to be set true.
+-- '▶️' and '◀️' needs reverse colors so this parameter needs to be set true.
-- @return: (string) formated highlight group name
function M.get_transitional_highlights(left_section_data, right_section_data, reverse )
local left_highlight_name, right_highlight_name
@@ -168,16 +168,16 @@ function M.get_transitional_highlights(left_section_data, right_section_data, re
right_highlight_name = 'lualine_c_normal'
end
end
- -- When both left and right highlights are same nothing to transition to
+ -- When both left and right highlights are same nothing to transition to
if left_highlight_name == right_highlight_name then return end
- -- construct the name of hightlight group
+ -- construct the name of hightlight group
local highlight_name
- if left_highlight_name:find('lualine_') == 1 then
- highlight_name = left_highlight_name .. '_to_' .. right_highlight_name
- else
- highlight_name = 'lualine_' .. left_highlight_name .. '_to_' .. right_highlight_name
- end
+ if left_highlight_name:find('lualine_') == 1 then
+ highlight_name = left_highlight_name .. '_to_' .. right_highlight_name
+ else
+ highlight_name = 'lualine_' .. left_highlight_name .. '_to_' .. right_highlight_name
+ end
if not utils.highlight_exists(highlight_name) then
-- Create the highlight_group if needed
@@ -188,12 +188,12 @@ function M.get_transitional_highlights(left_section_data, right_section_data, re
local bg = utils.extract_highlight_colors(right_highlight_name, 'guibg')
if not fg then fg = 'none' end
if not bg then bg = 'none' end
- -- swap the bg and fg when reverse is true. As in that case highlight will
- -- be placed before section
- if reverse then fg, bg = bg, fg end
+ -- swap the bg and fg when reverse is true. As in that case highlight will
+ -- be placed before section
+ if reverse then fg, bg = bg, fg end
highlight(highlight_name, fg, bg)
end
- -- Create highlights and setup to survive colorscheme changes
+ -- Create highlights and setup to survive colorscheme changes
set_transitional_highlights()
utils.expand_set_theme(set_transitional_highlights)
end
diff --git a/lua/lualine/themes/auto.lua b/lua/lualine/themes/auto.lua
new file mode 100644
index 0000000..6cdff15
--- /dev/null
+++ b/lua/lualine/themes/auto.lua
@@ -0,0 +1,163 @@
+local utils = require'lualine.utils.utils'
+
+---------------
+-- Constents --
+---------------
+-- fg and bg must have this much contrast range 0 < contrast_threshold < 0.5
+local contrast_threshold = 0.3
+-- how much brightness is changed in percentage for light and dark themes
+local brightness_modifier_parameter = 10
+
+-- retrives color value from highlight group name in syntax_list
+-- first present highlight is returned
+local function getHi( scope, syntaxlist )
+ for _ , highlight_name in pairs( syntaxlist ) do
+ if vim.fn.hlexists(highlight_name) ~= 0 then
+ local color = utils.extract_highlight_colors(highlight_name)
+ if color.reverse then
+ if scope == 'guibg' then scope = 'guifg' else scope = 'guibg' end
+ end
+ if color[scope] then return color[scope] end
+ end
+ end
+ return '#000000'
+end
+
+-- truns #rrggbb -> { red, green, blue }
+local function rgb_str2num(rgb_color_str)
+ if rgb_color_str:find('#') == 1 then rgb_color_str = rgb_color_str:sub(2, #rgb_color_str) end
+ local red = tonumber(rgb_color_str:sub(1,2), 16)
+ local green = tonumber(rgb_color_str:sub(3,4), 16)
+ local blue = tonumber(rgb_color_str:sub(5,6), 16)
+ return { red = red, green = green, blue = blue, }
+end
+
+-- turns { red, green, blue } -> #rrggbb
+local function rgb_num2str(rgb_color_num)
+ local rgb_color_str = string.format('#%02x%02x%02x', rgb_color_num.red,
+ rgb_color_num.green, rgb_color_num.blue)
+ return rgb_color_str
+end
+
+-- returns brightness lavel of color in range 0 to 1
+-- arbitary value it's basicaly an weighted average
+local function get_color_brightness(rgb_color)
+ local color = rgb_str2num(rgb_color)
+ local brightness = (color.red * 2 + color.green * 3 + color.blue) / 6
+ return brightness / 256
+end
+
+-- returns average of colors in range 0 to 1
+-- used to ditermine contrast lavel
+local function get_color_avg(rgb_color)
+ local color = rgb_str2num(rgb_color)
+ return (color.red + color.green + color.blue) / 3 / 256
+end
+
+-- clamps the val between left and right
+local function clamp(val, left, right)
+ if val > right then return right end
+ if val < left then return left end
+ return val
+end
+
+-- changes braghtness of rgb_color by percentage
+local function brightness_modifier(rgb_color, parcentage)
+ local color = rgb_str2num(rgb_color)
+ color.red = clamp(color.red + (color.red * parcentage / 100), 0, 255)
+ color.green = clamp(color.green + (color.green * parcentage / 100), 0, 255)
+ color.blue = clamp(color.blue + (color.blue * parcentage / 100), 0, 255)
+ return rgb_num2str(color)
+end
+
+-- changes contrast of rgb_color by amount
+local function contrast_modifier(rgb_color, amount)
+ local color = rgb_str2num(rgb_color)
+ color.red = clamp(color.red + amount, 0, 255)
+ color.green = clamp(color.green + amount, 0, 255)
+ color.blue = clamp(color.blue + amount, 0, 255)
+ return rgb_num2str(color)
+end
+
+-- Changes brightness of foreground color to achive contrast
+-- without changing the color
+local function apply_contrast(highlight)
+ local hightlight_bg_avg = get_color_avg(highlight.bg)
+ local contrast_threshold_config = clamp(contrast_threshold, 0, 0.5)
+ local contranst_change_step = 5
+ if hightlight_bg_avg > .5 then
+ contranst_change_step = -contranst_change_step
+ end
+
+ -- donn't waste too much time here max 25 interation should be more than enough
+ local iteration_count = 1
+ while (math.abs(get_color_avg(highlight.fg) - hightlight_bg_avg) < contrast_threshold_config and iteration_count < 25) do
+ highlight.fg = contrast_modifier(highlight.fg, contranst_change_step)
+ iteration_count = iteration_count + 1
+ end
+end
+
+-- Get the colors to create theme
+local colors = {
+ normal = getHi( 'guibg', {'PmenuSel', 'PmenuThumb', 'TabLineSel' } ),
+ insert = getHi( 'guifg', {'String', 'MoreMsg' } ),
+ replace = getHi( 'guifg', {'Number', 'Type' } ),
+ visual = getHi( 'guifg', {'Special', 'Boolean', 'Constant' } ),
+ command = getHi( 'guifg', {'Identifier' } ),
+ back1 = getHi( 'guibg', {'Normal', 'StatusLineNC' } ),
+ fore = getHi( 'guifg', {'Normal', 'StatusLine' } ),
+ back2 = getHi( 'guibg', {'StatusLine' } ),
+}
+
+
+-- Change brightness of colors
+-- darken incase of light theme lighten incase of dark theme
+
+if get_color_brightness(utils.extract_highlight_colors('Normal', 'guibg')) > 0.5 then
+ brightness_modifier_parameter = -brightness_modifier_parameter
+end
+
+for name, color in pairs(colors) do
+ colors[name] = brightness_modifier(color, brightness_modifier_parameter)
+end
+
+-- basic theme defination
+local M = {
+ normal = {
+ a = { bg = colors.normal, fg = colors.back1, gui='bold' },
+ b = { bg = colors.back1, fg = colors.normal },
+ c = { bg = colors.back2, fg = colors.fore },
+ },
+ insert = {
+ a = { bg = colors.insert, fg = colors.back1, gui='bold' },
+ b = { bg = colors.back1, fg = colors.insert },
+ c = { bg = colors.back2, fg = colors.fore },
+ },
+ replace = {
+ a = { bg = colors.replace, fg= colors.back1, gui='bold' },
+ b = { bg = colors.back1, fg= colors.replace },
+ c = { bg = colors.back2, fg= colors.fore },
+ },
+ visual = {
+ a = { bg = colors.visual, fg= colors.back1, gui='bold' },
+ b = { bg = colors.back1, fg= colors.visual },
+ c = { bg = colors.back2, fg= colors.fore },
+ },
+ command = {
+ a = { bg = colors.command, fg = colors.back1, gui='bold' },
+ b = { bg = colors.back1, fg = colors.command },
+ c = { bg = colors.back2, fg = colors.fore },
+ },
+}
+
+M.terminal = M.command
+M.inactive = M.normal
+
+-- Apply prpper contrast so text is readable
+for _, section in pairs(M) do
+ for _, highlight in pairs(section) do
+ apply_contrast(highlight)
+ end
+end
+
+return M