docs: update readme and demo

lua/Trans/view/float.lua

@@ -1,28 +1,44 @@
--- local m_window
--- local m_result
---
---
--- return function(word)
---     -- TODO :online query
---     m_result    = require('Trans.query.offline')(word)
---     m_window    = require('Trans.window')
---     local float = require('Trans').conf.float
---
---     local opt = {
---         relative = 'editor',
---         width    = float.width,
---         height   = float.height,
---         border   = float.border,
---         title    = float.title,
---         row      = math.floor((vim.o.lines - float.height) / 2),
---         col      = math.floor((vim.o.columns - float.width) / 2),
---     }
---
---     -- 创建窗口
---     m_window.init(true, opt)
---     m_window.center('https:github.com/JuanZoran/Trans.nvim', '@text.uri') -- only show color with treesiter
---     m_window.draw()
---     m_window.map('q', function()
---         m_window.try_close(float.animation)
---     end)
--- end
+local m_window
+local m_result
+
+local function set_title()
+    local title = m_window.title
+    local github = 'https://github.com/JuanZoran/Trans.nvim'
+
+    -- TODO :config this
+    title:center_line(github, '@text.uri')
+end
+
+local action = {
+    quit = function ()
+        m_window:try_close()
+    end,
+}
+
+
+return function(word)
+    -- TODO :online query
+    local float = require('Trans').conf.float
+    m_result    = require('Trans.query.offline')(word)
+
+    local opt = {
+        relative = 'editor',
+        width    = float.width,
+        height   = float.height,
+        border   = float.border,
+        title    = float.title,
+        row      = math.floor((vim.o.lines - float.height) / 2),
+        col      = math.floor((vim.o.columns - float.width) / 2),
+    }
+    m_window    = require('Trans.window')(true, opt)
+    m_window.animation = float.animation
+
+    set_title()
+    m_window:draw()
+    m_window:open()
+    m_window:bufset('bufhidden', 'wipe')
+
+    for act, key in pairs(float.keymap) do
+        m_window:map(key, action[act])
+    end
+end