feat: insert mode promote/demote heading

lua/orgmode/config/_meta.lua

@@ -130,6 +130,8 @@
 ---@field org_demote_subtree? OrgMappingValue Default: '>s'
 ---@field org_meta_return? OrgMappingValue Add heading, item or row (context-dependent) Default: '<Leader><CR>'
 ---@field org_return? OrgMappingValue Default: '<CR>'
+---@field org_insert_mode_promote? OrgMappingValue Promote heading or decrease indent in insert mode. Default: '<C-d>'
+---@field org_insert_mode_demote? OrgMappingValue Demote heading or increase indent in insert mode. Default: '<C-t>'
 ---@field org_insert_heading_respect_content? OrgMappingValue Add new heading after current heading block (same level) Default: '<prefix>ih'
 ---@field org_insert_todo_heading? OrgMappingValue Add new todo heading right after current heading (same level) Default: '<prefix>iT'
 ---@field org_insert_todo_heading_respect_content? OrgMappingValue Add new todo heading after current heading block (same level). Default: '<prefix>it'

lua/orgmode/config/defaults.lua

@@ -177,6 +177,8 @@ local DefaultConfig = {
       org_demote_subtree = '>s',
       org_meta_return = '<Leader><CR>', -- Add heading, item or row (context-dependent)
       org_return = '<CR>',
+      org_insert_mode_promote = '<C-d>',
+      org_insert_mode_demote = '<C-t>',
       org_insert_heading_respect_content = '<prefix>ih', -- Add new heading after current heading block (same level)
       org_insert_todo_heading = '<prefix>iT', -- Add new todo heading right after current heading (same level)
       org_insert_todo_heading_respect_content = '<prefix>it', -- Add new todo heading after current heading block (same level)

lua/orgmode/config/mappings/init.lua

@@ -293,6 +293,14 @@ return {
     ),
     org_export = m.action('org_mappings.export', { opts = { desc = 'org export', help_desc = 'Open export options' } }),
     org_return = m.action('org_mappings.org_return', { modes = { 'i' }, opts = { desc = 'org return' } }),
+    org_insert_mode_promote = m.action('org_mappings.insert_mode_promote', {
+      modes = { 'i' },
+      opts = { desc = 'org insert mode promote' },
+    }),
+    org_insert_mode_demote = m.action('org_mappings.insert_mode_demote', {
+      modes = { 'i' },
+      opts = { desc = 'org insert mode demote' },
+    }),
     org_next_visible_heading = m.action('org_mappings.next_visible_heading', {
       modes = { 'n', 'x' },
       opts = { desc = 'org next visible headline', help_desc = 'Go to next headline (any level)' },

lua/orgmode/org/mappings.lua

@@ -569,6 +569,44 @@ function OrgMappings:do_demote(whole_subtree)
   vim.fn.winrestview(win_view)
 end
 
+function OrgMappings:insert_mode_promote()
+  local line_number = vim.fn.line('.')
+  local line = vim.fn.getline(line_number)
+
+  if line:match('^%*+') then
+    local cursor_col = vim.fn.col('.')
+    local new_line = line:gsub('^%*+', function(asterisks)
+      if #asterisks > 1 then
+        return string.rep('*', #asterisks - 1)
+      else
+        return ''
+      end
+    end)
+    vim.fn.setline(line_number, new_line)
+    vim.fn.cursor(line_number, math.max(1, cursor_col - 1))
+    return
+  end
+
+  return vim.api.nvim_feedkeys(utils.esc('<C-d>'), 'n', true)
+end
+
+function OrgMappings:insert_mode_demote()
+  local line_number = vim.fn.line('.')
+  local line = vim.fn.getline(line_number)
+
+  if line:match('^%*+') then
+    local cursor_col = vim.fn.col('.')
+    local new_line = line:gsub('^(%*+)', function(asterisks)
+      return asterisks .. '*'
+    end)
+    vim.fn.setline(line_number, new_line)
+    vim.fn.cursor(line_number, cursor_col + 1)
+    return
+  end
+
+  return vim.api.nvim_feedkeys(utils.esc('<C-t>'), 'n', true)
+end
+
 function OrgMappings:org_return()
   local actions = {
     function()