feat(view): allow next_file/prev_file navigation

lua/trouble/config/actions.lua

@@ -87,6 +87,13 @@ local M = {
   last = function(self, ctx)
     self:move({ idx = -vim.v.count1, jump = ctx.opts.jump })
   end,
+  -- next/prev file
+  next_file = function(self)
+    self:move({ next_file = true })
+  end,
+  prev_file = function(self)
+    self:move({ prev_file = true })
+  end,
   -- Jump to the item if on an item, otherwise do nothing
   jump_only = function(self, ctx)
     if ctx.item then

lua/trouble/config/init.lua

@@ -70,6 +70,8 @@ local defaults = {
     -- k = "prev",
     ["{"] = "prev",
     ["[["] = "prev",
+    ["]f"] = "next_file",
+    ["[f"] = "prev_file",
     dd = "delete",
     d = { action = "delete", mode = "v" },
     i = "inspect",

lua/trouble/view/init.lua

@@ -367,7 +367,7 @@ function M:map(key, action)
   end, { desc = action.desc, mode = action.mode })
 end
 
----@param opts? {idx?: number, up?:number, down?:number, jump?:boolean}
+---@param opts? {idx?: number, up?:number, down?:number, next_file?:boolean, prev_file?:boolean, jump?:boolean}
 function M:move(opts)
   -- start the moving timer. Will stop any previous timers,
   -- so this acts as a debounce.
@@ -383,13 +383,34 @@ function M:move(opts)
   if opts.idx and opts.idx < 0 then
     from, to = to, 1
     todo = math.abs(todo)
-  elseif opts.down then
+  elseif opts.down or opts.next_file then
     from = cursor[1] + 1
-  elseif opts.up then
+  elseif opts.up or opts.prev_file then
     from = cursor[1] - 1
     to = 1
   end
 
+  if opts.next_file or opts.prev_file then
+    local cur_loc = self:at()
+    local cur_filename = (cur_loc.item and cur_loc.item.filename)
+      or (cur_loc.node and cur_loc.node.item and cur_loc.node.item.filename)
+
+    if not cur_filename then
+      return Util.warn("No file found for current item")
+    end
+
+    for row = from, to, opts.next_file and 1 or -1 do
+      local info = self.renderer:at(row)
+      if info.node and info.node.group and info.node.item and info.node.item.filename ~= cur_filename then
+        vim.api.nvim_win_set_cursor(self.win.win, { row, cursor[2] })
+        return
+      end
+    end
+
+    local file = opts.next_file and "next" or "previous"
+    return Util.warn("No " .. file .. " file found")
+  end
+
   for row = from, to, from > to and -1 or 1 do
     local info = self.renderer:at(row)
     if info.item and info.first_line then