feat: make position of the trouble list configurable (top, bottom, le…

…ft or right) #27

README.md

@@ -73,7 +73,9 @@ Trouble comes with the following defaults:
 
 ```lua
 {
-    height = 10, -- height of the trouble list
+    position = "bottom", -- position of the list can be: bottom, top, left, right
+    height = 10, -- height of the trouble list when position is top or bottom
+    width = 50, -- width of the list when position is left or right
     icons = true, -- use devicons for filenames
     mode = "lsp_workspace_diagnostics", -- "lsp_workspace_diagnostics", "lsp_document_diagnostics", "quickfix", "lsp_references", "loclist"
     fold_open = "", -- icon used for open folds

lua/trouble/config.lua

@@ -7,7 +7,9 @@ M.namespace = vim.api.nvim_create_namespace("LspTrouble")
 ---@field win number|nil
 local defaults = {
     debug = false,
-    height = 10, -- height of the trouble list
+    position = "bottom", -- position of the list can be: bottom, top, left, right
+    height = 10, -- height of the trouble list when position is top or bottom
+    width = 50, -- width of the list when position is left or right
     icons = true, -- use devicons for filenames
     mode = "lsp_workspace_diagnostics", -- "lsp_workspace_diagnostics", "lsp_document_diagnostics", "quickfix", "lsp_references", "loclist"
     fold_open = "", -- icon used for open folds

lua/trouble/view.lua

@@ -151,7 +151,11 @@ function View:setup(opts)
         end
     end
 
-    vim.api.nvim_win_set_height(self.win, config.options.height)
+    if config.options.position == "top" or config.options.position == "bottom" then
+        vim.api.nvim_win_set_height(self.win, config.options.height)
+    else
+        vim.api.nvim_win_set_width(self.win, config.options.width)
+    end
 
     vim.api.nvim_exec([[
       augroup LspTroubleHighlights
@@ -301,7 +305,8 @@ function View.create(opts)
         vim.cmd("enew")
     else
         vim.cmd("below new")
-        vim.cmd("wincmd J")
+        local pos = {bottom = "J", top = "K", left = "H", right = "L"}
+        vim.cmd("wincmd " .. (pos[config.options.position] or "K"))
     end
     local buffer = View:new(opts)
     buffer:setup(opts)