feat: added "hover" action that defaults to "K" to show the full mult…

…iline text #11

README.md

@@ -79,6 +79,7 @@ Trouble comes with the following defaults:
         refresh = "r", -- manually refresh
         jump = {"<cr>", "<tab>"}, -- jump to the diagnostic or open / close folds
         jump_close = {"o"}, -- jump to the diagnostic and close the list
+        hover = "K", -- opens a small poup with the full multiline message
         toggle_mode = "m", -- toggle between "workspace" and "document" mode
         toggle_preview = "P", -- toggle auto_preview
         preview = "p", -- preview the diagnostic location

lua/trouble/config.lua

@@ -17,6 +17,7 @@ local defaults = {
         jump_close = {"o"}, -- jump to the diagnostic and close the list
         toggle_mode = "m", -- toggle between "workspace" and "document" mode
         toggle_preview = "P", -- toggle auto_preview
+        hover = "K", -- opens a small poup with the full multiline message
         preview = "p", -- preview the diagnostic location
         close_folds = {"zM", "zm"}, -- close all folds
         open_folds = {"zR", "zr"}, -- open all folds

lua/trouble/init.lua

@@ -86,6 +86,7 @@ function Trouble.action(action)
 
     if view and action == "on_win_enter" then view:on_win_enter() end
     if not is_open() then return end
+    if action == "hover" then view:hover() end
     if action == "jump" then view:jump() end
     if action == "jump_close" then
         view:jump()

lua/trouble/lsp.lua

@@ -31,6 +31,7 @@ local function preprocess_diag(diag, bufnr)
         finish = finish,
         -- remove line break to avoid display issues
         text = vim.trim(diag.message:gsub("[\n]", "")),
+        full_text = vim.trim(diag.message),
         type = lsp_type_diagnostic[diag.severity] or lsp_type_diagnostic[1],
         code = diag.code,
         source = diag.source,

lua/trouble/view.lua

@@ -281,6 +281,19 @@ function View:previous_item()
     end
 end
 
+function View:hover(opts)
+    opts = opts or {}
+    local item = opts.item or self:current_item()
+    if not (item and item.full_text) then return end
+
+    local lines = {}
+    for line in item.full_text:gmatch("([^\n]*)\n?") do
+        table.insert(lines, line)
+    end
+
+    vim.lsp.util.open_floating_preview(lines, "plaintext", {border = "single"})
+end
+
 function View:jump(opts)
     opts = opts or {}
     local item = opts.item or self:current_item()