Swap to vim-crystalline for statusline customisability

config/vim/autoload/crystalline/theme/gruvbox8.vim

@@ -0,0 +1,87 @@
+vim9script
+
+const dark = {
+  bg0: ['#282828', 235],
+  bg1: ['#3c3836', 237],
+  bg2: ['#504945', 239],
+  bg4: ['#7c6f64', 243],
+
+  fg1: ['#ebdbb2', 187],
+  fg4: ['#a89984', 137],
+
+  green: ['#98971a', 100],
+  yellow: ['#d79921', 172],
+  blue: ['#458588', 66],
+  aqua: ['#689d6a', 71],
+  orange: ['#d65d0e', 166],
+  red: ['#fb4934', 203],
+}
+
+const light = {
+  bg0: ['#fbf1c7', 230],
+  bg1: ['#ebdbb2', 187],
+  bg2: ['#d5c4a1', 187],
+  bg4: ['#a89984', 137],
+
+  fg1: ['#3c3836', 237],
+  fg4: ['#7c6f64', 243],
+
+  green: ['#98971a', 100],
+  yellow: ['#d79921', 172],
+  blue: ['#458588', 66],
+  aqua: ['#689d6a', 71],
+  orange: ['#d65d0e', 166],
+  red: ['#9d0006', 124],
+}
+
+def ToCrystalline(fg: list<any>, bg: list<any>): list<any>
+  return [
+    [fg[1], bg[1]],
+    [fg[0], bg[0]],
+    ''
+  ]
+enddef
+
+def MakeTheme(c: dict<list<any>>): dict<list<any>>
+  var theme = {
+    A: ToCrystalline(c.bg0, c.bg4),
+    B: ToCrystalline(c.fg4, c.bg2),
+    Fill: ToCrystalline(c.fg4, c.bg1),
+
+    InactiveA: ToCrystalline(c.bg4, c.bg1),
+    InactiveB: ToCrystalline(c.bg4, c.bg1),
+    InactiveFill: ToCrystalline(c.bg4, c.bg1),
+
+    InsertModeA: ToCrystalline(c.bg0, c.blue),
+    InsertModeFill: ToCrystalline(c.fg4, c.bg2),
+
+    VisualModeA: ToCrystalline(c.bg0, c.orange),
+    ReplaceModeA: ToCrystalline(c.bg0, c.aqua),
+    ReplaceModeFill: ToCrystalline(c.fg4, c.bg2),
+    TerminalModeA: ToCrystalline(c.bg0, c.green),
+
+    Modified: ToCrystalline(c.red, c.bg1),
+    InsertModeModified: ToCrystalline(c.red, c.bg2),
+
+    TabSel: ToCrystalline(c.bg0, c.fg4),
+    ModifiedSel: ToCrystalline(c.bg1, c.fg4),
+  }
+
+  theme->extend({
+    Tab: theme.Fill,
+    NormalModeModified: theme.Modified,
+    CommandModeModified: theme.Modified,
+    VisualModeModified: theme.Modified,
+    ReplaceModeModified: theme.InsertModeModified,
+  })
+
+  return theme
+enddef
+
+export def GetThemeColours(): dict<list<any>>
+  return &background ==# 'dark' ? dark : light
+enddef
+
+export def SetTheme(): void
+  GetThemeColours()->MakeTheme()->g:crystalline#GenerateTheme()
+enddef

config/vim/init.vim

@@ -3,16 +3,7 @@ set encoding=utf-8
 scriptencoding utf-8
 
 def EnsureDir(dir: string): void
-  if filewritable(dir) != 2
-    mkdir(dir, "p", 0700)
-  endif
-enddef
-
-def PrependIfVisible(status: string, symbol: string): string
-	if empty(status)
-		return ''
-	endif
-	return symbol .. status
+	mkdir(dir, "p", 0700)
 enddef
 
 # These are really clever - minpac will actually be loaded on the fly only
@@ -35,34 +26,6 @@ if has('gui_running') || has('termguicolors')
   set termguicolors
 endif
 
-g:battery#component_format = '%s %v%%'
-
-set noshowmode
-g:lightline = {
-	colorscheme: 'gruvbox8',
-	separator: {left: "\ue0b0", right: "\ue0b2"},
-	subseparator: {left: "\ue0b1", right: "\ue0b3"},
-	active: {
-		left: [['mode', 'paste'], ['git_branch', 'battery'], ['readonly', 'filename', 'modified']],
-		right: [['lineinfo'], ['percent'], ['fileencoding', 'filetype']],
-	},
-	component: {
-		filetype: '%{&ft}[%{&ff}]',
-		lineinfo: '%3l:%-2c',
-	},
-	component_function: {
-		battery: 'battery#component',
-	},
-	component_funcref: {
-		git_branch: () => g:FugitiveHead()->PrependIfVisible(' '),
-	}
-}
-
-# Allow Funcrefs, especially lambdas, to be used as lightline components. :)
-for k in keys(g:lightline.component_funcref)
-	g:lightline.component_function[k] = $'lightline.component_funcref.{k}'
-endfor
-
 set background=dark
 g:gruvbox_transp_bg = 1
 g:gruvbox_italicize_strings = 0
@@ -128,6 +91,9 @@ g:mucomplete#can_complete = {
   }
 }
 
+import "./statusline.vim"
+statusline.Init()
+
 import "./lsp.vim"
 lsp.LazyConfigure()
 

config/vim/plugins.vim

@@ -46,8 +46,9 @@ minpac#add('w0rp/ale')
 minpac#add('yegappan/lsp')
 minpac#add('00dani/SchemaStore.vim')
 
-minpac#add('itchyny/lightline.vim')
+minpac#add('rbong/vim-crystalline')
 minpac#add('lambdalisue/battery.vim')
+minpac#add('lambdalisue/nerdfont.vim')
 
 minpac#add('alvan/vim-closetag')
 minpac#add('LaTeX-Box-Team/LaTeX-Box')

config/vim/statusline.vim

@@ -0,0 +1,124 @@
+vim9script
+
+import autoload ($XDG_CACHE_HOME .. '/vim/pack/minpac/start/vim-crystalline/autoload/crystalline.vim') as cr
+
+def PrependIfVisible(status: string, prefix: string): string
+	if empty(status)
+		return ''
+	endif
+	return prefix .. status
+enddef
+
+def AppendIfVisible(status: string, affix: string): string
+	if empty(status)
+		return ''
+	endif
+	return status .. affix
+enddef
+
+def StatuslineSection(seps: number, group: string, components: list<string>): string
+	const hiGroup = cr.ModeGroup(group)
+	return components->copy()->filter((_, s) => s != '')
+		->join(' ' .. cr.Sep(seps, hiGroup, hiGroup) .. ' ')
+enddef
+
+def GitStatus(): string
+	if empty(g:FugitiveGitDir())
+		return ''
+	endif
+
+	const branch = g:FugitiveHead()->PrependIfVisible("\ue0a0 ") # nf-pl-branch
+	if !empty(branch)
+		return branch
+	endif
+
+	return g:FugitiveHead(7)
+		->PrependIfVisible("\Uf135e (") # nf-md-head
+		->AppendIfVisible(")")
+enddef
+
+def StatuslineLeft(window: number, inactive: bool): string
+	const bufnr = window->winbufnr()
+	const b = bufnr->getbufvar('&')
+	const fileName = [
+		bufname(bufnr)->g:nerdfont#find()->AppendIfVisible(' '),
+		b.buftype == '' ? '%t' : '%f',
+		b.modifiable && b.modified ? cr.ModeHiItem('Modified') .. '+' .. cr.ModeHiItem('Fill') : '',
+		b.readonly ? " \uf023" : '', # nf-fa-lock
+	]->join('')
+	if inactive
+		return ' ' .. fileName
+	endif
+
+	const info = StatuslineSection(0, 'B', [
+		GitStatus(),
+		g:battery#component_escaped(),
+	])->AppendIfVisible(' ' .. cr.Sep(0, cr.ModeGroup('B'), cr.ModeGroup('Fill')))
+	const vimMode = cr.ModeSection(0, 'A', empty(info) ? 'Fill' : 'B')
+
+	return join([vimMode, info, fileName])
+enddef
+
+def StatuslineRight(window: number, inactive: bool): string
+	const percent = '%3p%%'
+	const lineInfo = '%3l:%-2c'
+	const fileType = '%{&ft}[%{&ff}]'
+	if inactive
+		return StatuslineSection(1, 'Fill', [fileType, percent, lineInfo])
+	endif
+
+	const fileEncoding = &fileencoding
+	const fileInfo = StatuslineSection(1, 'Fill', [fileEncoding, fileType])
+
+	const prettyPercent = cr.Sep(1, cr.ModeGroup('Fill'), cr.ModeGroup('B')) .. ' ' .. percent
+	const prettyLineInfo = cr.Sep(1, cr.ModeGroup('B'), cr.ModeGroup('A')) .. lineInfo
+
+	return join([fileInfo, prettyPercent, prettyLineInfo])
+enddef
+
+def ConfigurePlugins(): void
+	g:battery#component_format = '%s %v%%'
+	g:nerdfont#default = ''
+	g:crystalline_theme = 'gruvbox8'
+enddef
+
+def InitStatus(): void
+	def g:CrystallineStatuslineFn(window: number): string
+		const inactive = window != winnr()
+		const statusLeft = StatuslineLeft(window, inactive)
+		const statusRight = StatuslineRight(window, inactive)
+
+		return $'{statusLeft}%={statusRight}'
+	enddef
+enddef
+
+def InitTab()
+	g:crystalline_tab_mod = ''
+	def g:CrystallineTablineFn(): string
+		return cr.DefaultTabline({auto_prefix_groups: false})
+	enddef
+
+	def g:CrystallineTabFn(tabnr: number, bufnr: number, maxWidth: number, isSel: bool): list<any>
+		var [tabDisplay, width] = cr.DefaultTab(tabnr, bufnr, maxWidth, isSel)
+
+		if bufnr->getbufvar('&modified')
+			const sel = isSel ? 'Sel' : ''
+			tabDisplay ..= cr.HiItem($'Modified{sel}') .. '+' .. cr.HiItem($'Tab{sel}') .. ' '
+			width += 2
+		endif
+
+		const icon = bufname(bufnr)->g:nerdfont#find()->PrependIfVisible(' ')
+		if width + strchars(icon) >= maxWidth
+			return [tabDisplay, width]
+		endif
+
+		return [icon .. tabDisplay, width + strchars(icon)]
+	enddef
+enddef
+
+export def Init(): void
+	InitStatus()
+	InitTab()
+	ConfigurePlugins()
+	set noshowmode
+enddef