Add writing mode and ui toggles for nvim, tmux theme updates, wallpapers

src_files/.config/nvim/lua/util_functions.lua

@@ -15,7 +15,7 @@ function TmpBuff(split_opt)
     vim.opt_local.buftype = "nofile"
     vim.opt_local.bufhidden = "hide"
     vim.opt_local.swapfile = false
-    vim.cmd("file tmp_" .. os.date("%Y%m%d_%H%M%S"))
+    vim.cmd("file tmp_" .. os.date("%Y%m%d_%H%M%S") .. "_" .. math.random(471))
 end
 
 function ReadShellCmd(command)
@@ -32,3 +32,88 @@ function ToggleTabsSpaces()
     end
 end
 
+function ToggleLineNumbers()
+    if vim.opt.number:get() then
+        vim.opt.number = false
+        vim.opt.relativenumber = false
+    else
+        vim.opt.number = true
+        vim.opt.relativenumber = true
+    end
+end
+
+function ToggleColorColumn(column_string)
+    if #vim.opt.colorcolumn:get() == 0 then
+        vim.opt.colorcolumn = (column_string or '90')
+    else
+        vim.opt.colorcolumn = ''
+    end
+end
+
+function ToggleCursorLine()
+    vim.opt.cursorline = (not vim.opt.cursorline:get())
+end
+
+local function EnableWritingModeUiForCurrentWindow()
+    vim.opt_local.number = false
+    vim.opt_local.relativenumber = false
+    vim.opt_local.colorcolumn = ''
+    vim.opt_local.signcolumn = "no"
+    vim.opt_local.cursorline = false
+    vim.opt_local.winfixwidth = true
+    -- vim.opt_local.wrap = true -- TODO: needed?
+    vim.opt_local.laststatus = 0
+end
+
+function ToggleWritingMode()
+    if vim.g.writing_mode then
+        vim.g.writing_mode = false
+
+        vim.api.nvim_set_hl(0, 'WinSeparator', vim.g.wrmode_prev_hl_winsep or {})
+        vim.opt_local.winfixwidth = false
+        vim.cmd("wincmd l")
+        vim.api.nvim_win_close(0, false)
+        vim.cmd("wincmd h")
+        vim.api.nvim_win_close(0, false)
+
+        vim.opt_local.number = true
+        vim.opt_local.relativenumber = true
+        vim.opt_local.signcolumn = "yes"
+        vim.opt_local.cursorline = true
+        vim.opt_local.spell = false
+        -- vim.opt_local.wrap = true -- TODO: needed?
+        vim.opt_local.textwidth = 0
+        vim.opt_local.scrolloff = 2
+        vim.opt_local.formatoptions:remove('t')
+        vim.opt_local.laststatus = 0
+        -- vim.cmd("vertical resize")
+    else
+        vim.g.writing_mode = true
+
+        vim.g.wrmode_prev_hl_winsep = vim.api.nvim_get_hl(0, { name = 'WinSeparator' })
+        vim.api.nvim_set_hl(0, 'WinSeparator', { bg = 'none', fg = '#000000' })
+        local window_width = 72
+        local window_padding = math.max(math.floor((vim.o.columns - window_width) / 2), 1)
+        vim.cmd("vsplit")
+        local writing_pane = vim.api.nvim_get_current_win()
+        EnableWritingModeUiForCurrentWindow()
+        vim.opt_local.spell = true
+        vim.opt_local.textwidth = window_width
+        vim.opt_local.scrolloff = 14
+        vim.opt_local.formatoptions:append('t')
+        vim.cmd("wincmd h")
+        TmpBuff('enew')
+        local padding_pane_left = vim.api.nvim_get_current_win()
+        EnableWritingModeUiForCurrentWindow()
+        vim.cmd("wincmd l")
+        TmpBuff('vnew')
+        local padding_pane_right = vim.api.nvim_get_current_win()
+        EnableWritingModeUiForCurrentWindow()
+        vim.api.nvim_set_current_win(writing_pane)
+
+        vim.api.nvim_win_set_width(padding_pane_left, window_padding)
+        vim.api.nvim_win_set_width(padding_pane_right, window_padding)
+        vim.api.nvim_win_set_width(writing_pane, window_width)
+    end
+end
+