1 files changed, 73 insertions, 0 deletions
diff --git a/.config/nvim/lua/lsp-keymaps.lua b/.config/nvim/lua/lsp-keymaps.lua
new file mode 100644
index 0000000..7bbc2e8
--- /dev/null
+++ b/.config/nvim/lua/lsp-keymaps.lua
@@ -0,0 +1,73 @@
+local severity = vim.diagnostic.severity
+local function next_diagnostic(diagnostic_severity)
+    return function()
+        require('lspsaga.diagnostic'):goto_next({ severity = diagnostic_severity })
+    end
+end
+local function prev_diagnostic(diagnostic_severity)
+    return function()
+        require('lspsaga.diagnostic'):goto_prev({ severity = diagnostic_severity })
+    end
+end
+local function cursor_diagnostics()
+    vim.diagnostic.open_float({
+        scope = 'cursor',
+        border = 'single',
+    })
+end
+
+local keymaps = {
+    { 'n', 'gd', '<cmd>Lspsaga goto_definition<cr>', { desc = '[G]oto [D]efinition' } },
+    -- { 'n',          'gu',         '<cmd>Telescope lsp_references<cr>',        { desc = '[G]oto [U]sages' } },
+    { 'n', 'gu', '<cmd>Lspsaga finder<cr>', { desc = '[G]oto [U]sages' } },
+    { 'n', 'gi', '<cmd>Telescope lsp_implementations<cr>', { desc = '[G]oto [I]mplementations' } },
+    { 'n', 'gt', '<cmd>Telescope lsp_type_definitions<cr>', { desc = '[G]oto [T]ype Definitions' } },
+    { 'n', '<leader>ds', '<cmd>Telescope lsp_document_symbols<cr>', { desc = '[D]ocument [S]symbols' } },
+    { 'n', '<leader>ps', '<cmd>Telescope lsp_workspace_symbols<cr>', { desc = '[P]roject [S]ymbols' } },
+    { { 'n', 'i' }, '<C-p>', vim.lsp.buf.signature_help, { desc = 'Show [P]arameters' } },
+    { 'n', 'K', '<cmd>Lspsaga hover_doc<cr>', { desc = 'Documentation' } },
+    { 'n', 'R', '<cmd>Lspsaga rename<cr>', { desc = '[R]ename' } },
+    { { 'n', 'i' }, '<M-Enter>', '<cmd>Lspsaga code_action<cr>', { desc = 'Code Actions' } },
+    { 'n', '<leader>ca', '<cmd>Lspsaga code_action<cr><Esc>', { desc = '[C]ode [A]ctions' } },
+    { 'n', '<leader>e', next_diagnostic(severity.ERROR), { desc = 'Goto [E]rror' } },
+    { 'n', '<leader>E', prev_diagnostic(severity.ERROR), { desc = 'Goto [E]rror (prev)' } },
+    { 'n', '<leader>w', next_diagnostic(severity.WARN), { desc = 'Goto [W]arning' } },
+    { 'n', '<leader>W', prev_diagnostic(severity.WARN), { desc = 'Goto [W]arning (prev)' } },
+    { 'n', '<leader>D', cursor_diagnostics, { desc = '[D]iagnostics under cursor' } },
+}
+
+for _, ft in ipairs({ 'c', 'h', 'cpp', 'hpp' }) do
+    keymaps[ft] = {
+        { 'n', 'H', '<cmd>ClangdSwitchSourceHeader<cr>', { desc = '[H]eader and Source Switcher' } },
+        { 'n', 'K', '<cmd>lua require("pretty_hover").hover()<cr>', { desc = 'Documentation Hover' } },
+    }
+end
+
+local function set_keymaps(tbl, bufnr)
+    for _, keymap in ipairs(tbl) do
+        local mode = keymap[1]
+        local lhs = keymap[2]
+        local rhs = keymap[3]
+        local opts = keymap[4] or {}
+        opts.buffer = bufnr
+        vim.keymap.set(mode, lhs, rhs, opts)
+    end
+end
+
+local M = {}
+
+--- Registers LSP keymaps for the given buffer
+---@param bufnr number: the id of the buffer
+M.setup = function(bufnr)
+    local filetype = vim.bo[bufnr].filetype
+    set_keymaps(keymaps, bufnr)
+    for ft, tbl in pairs(keymaps) do
+        if type(ft) == 'number' or ft ~= filetype then
+            goto continue
+        end
+        set_keymaps(tbl, bufnr)
+        ::continue::
+    end
+end
+
+return M