Added Presets for terminal placements

lua/Polydev/presets.lua

@@ -0,0 +1,66 @@
+---@type table
+local M = {}
+
+---@type table|nil
+local opts = {}
+
+---@class Preset
+---@field left_padding integer
+---@field right_padding integer
+---@field top_padding integer
+---@field bottom_padding integer
+
+---@type Preset
+local centered = {
+    left_padding = 0,
+    right_padding = 0,
+    top_padding = 0,
+    bottom_padding = 0
+}
+
+---@type Preset
+local center_paneled = {
+    left_padding = 0,
+    right_padding = 100,
+    top_padding = 0,
+    bottom_padding = 0,
+}
+
+---@type Preset
+local right_panel = {
+    left_padding = 100,
+    right_padding = 0,
+    top_padding = 0,
+    bottom_padding = 0,
+}
+
+---@type Preset
+local cornered = {
+    left_padding = 100,
+    right_padding = 0,
+    top_padding = 25,
+    bottom_padding = 0,
+
+}
+
+---@param preset string
+---@return table|nil
+function M.getPresets(preset)
+    if preset == "custom" then
+	opts = nil
+    elseif preset == "centered" then
+	opts = centered
+    elseif preset == "center_panel" then
+	opts = center_paneled
+    elseif preset == "right_panel" then
+	opts = right_panel
+    elseif preset == "cornered" then
+	opts = cornered
+    else
+	print("Preset option: " .. preset .. " does not exist")
+    end
+
+    return opts
+end
+
+return M