feat(nvim): add provider manager for hover

3 files changed, 77 insertions, 2 deletions

diff --git a/nvim/.config/nvim/lua/tobyvin/keymaps.lua b/nvim/.config/nvim/lua/tobyvin/keymaps.lua
index 8e3ff40..8cd0c56 100644
--- a/nvim/.config/nvim/lua/tobyvin/keymaps.lua
+++ b/nvim/.config/nvim/lua/tobyvin/keymaps.lua
@@ -17,6 +17,15 @@ M.setup = function()
 	vim.keymap.set("n", "gp", "<cmd>bprev<cr>", { desc = "bprev" })
 	vim.keymap.set("n", "gb", utils.buffer.bselect, { desc = "bselect" })
 	vim.keymap.set("n", "gk", utils.documentation.open, { desc = "Documentation" })
+	vim.keymap.set("n", "K", function()
+		if utils.hover.open() then
+			-- Fix for diagnostics immediately overriding hover window
+			vim.api.nvim_command("set eventignore=CursorHold")
+			vim.api.nvim_command('autocmd CursorMoved <buffer> ++once set eventignore=""')
+			return "<Ignore>"
+		end
+		return "K"
+	end, { expr = true, desc = "Hover" })
 
 	vim.keymap.set("n", "<leader>q", "<cmd>qall<cr>", { desc = "quit" })
 	vim.keymap.set("n", "<leader>c", utils.buffer.bdelete, { desc = "bdelete" })
diff --git a/nvim/.config/nvim/lua/tobyvin/lsp/handlers.lua b/nvim/.config/nvim/lua/tobyvin/lsp/handlers.lua
index 761b1e6..a0ad173 100644
--- a/nvim/.config/nvim/lua/tobyvin/lsp/handlers.lua
+++ b/nvim/.config/nvim/lua/tobyvin/lsp/handlers.lua
@@ -73,9 +73,9 @@ M.setup = function()
 				vim.bo[bufnr].tagfunc = "v:lua.vim.lsp.tagfunc"
 			end
 
-			vim.keymap.set("n", "<C-k>", vim.lsp.buf.signature_help, { desc = "Signature Help", buffer = bufnr })
-			vim.keymap.set("n", "K", vim.lsp.buf.hover, { desc = "Hover", buffer = bufnr })
+			utils.hover.register(vim.lsp.buf.hover, { buffer = bufnr, priority = 1 })
 
+			vim.keymap.set("n", "<C-k>", vim.lsp.buf.signature_help, { desc = "Signature Help", buffer = bufnr })
 			vim.keymap.set("n", "gd", vim.lsp.buf.definition, { desc = "Definition", buffer = bufnr })
 			vim.keymap.set("n", "gD", vim.lsp.buf.declaration, { desc = "Declaration", buffer = bufnr })
 			vim.keymap.set("n", "gT", vim.lsp.buf.type_definition, { desc = "Type", buffer = bufnr })
diff --git a/nvim/.config/nvim/lua/tobyvin/utils/hover.lua b/nvim/.config/nvim/lua/tobyvin/utils/hover.lua
new file mode 100644
index 0000000..4f1fb32
--- /dev/null
+++ b/nvim/.config/nvim/lua/tobyvin/utils/hover.lua
@@ -0,0 +1,66 @@
+---@diagnostic disable: missing-parameter
+local M = {}
+
+M.providers = {}
+M.buffers = {}
+
+local default_opts = {
+	enabled = function()
+		return true
+	end,
+}
+
+M.get_providers = function(buffer)
+	if buffer == nil then
+		return M.providers
+	else
+		return vim.F.if_nil(vim.b[buffer].hover_providers, {})
+	end
+end
+
+M.set_providers = function(buffer, providers)
+	if buffer == nil then
+		M.providers = providers
+	else
+		vim.b[buffer].hover_providers = providers
+	end
+end
+
+M.register = function(callback, opts)
+	opts = vim.F.if_nil(opts, default_opts)
+	local provider = vim.tbl_extend("keep", { callback = callback }, opts, default_opts)
+	local buffer = provider.buffer
+	local providers = M.get_providers(buffer)
+
+	if #providers > 0 and provider.priority then
+		for i, p in ipairs(providers) do
+			if not p.priority or p.priority < provider.priority or i == #providers then
+				table.insert(providers, i, provider)
+				break
+			end
+		end
+	else
+		table.insert(providers, provider)
+	end
+
+	M.set_providers(buffer, providers)
+end
+
+M.open = function()
+	local buffer = vim.api.nvim_get_current_buf()
+	local providers = {}
+
+	if vim.api.nvim_buf_is_valid(buffer) and type(vim.b[buffer].hover_providers) == "table" then
+		vim.list_extend(providers, vim.b[buffer].hover_providers)
+	end
+
+	vim.list_extend(providers, M.providers)
+
+	for _, provider in ipairs(providers) do
+		if provider.enabled() and not provider.callback() then
+			return true
+		end
+	end
+end
+
+return M