add event to ui

1 files changed, 62 insertions, 0 deletions

diff --git a/xmake/core/ui/event.lua b/xmake/core/ui/event.lua
new file mode 100644
index 000000000..82beb7959
--- /dev/null
+++ b/xmake/core/ui/event.lua
@@ -0,0 +1,62 @@
+--!A cross-platform build utility based on Lua
+--
+-- Licensed to the Apache Software Foundation (ASF) under one
+-- or more contributor license agreements.  See the NOTICE file
+-- distributed with this work for additional information
+-- regarding copyright ownership.  The ASF licenses this file
+-- to you under the Apache License, Version 2.0 (the
+-- "License"); you may not use this file except in compliance
+-- with the License.  You may obtain a copy of the License at
+--
+--     http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+-- 
+-- Copyright (C) 2015 - 2017, TBOOX Open Source Group.
+--
+-- @author      ruki
+-- @file        event.lua
+--
+
+--[[ Console User Interface (cui) ]-----------------------------------------
+Author: Tiago Dionizio (tiago.dionizio AT gmail.com)
+$Id: event.lua 18 2007-06-21 20:43:52Z tngd $
+--------------------------------------------------------------------------]]
+
+-- load modules
+local object = require("ui/object")
+
+-- define module
+local event = event or object { _init = {"type", "command", "extra"} }
+
+-- register event types
+function event:register(tag, ...)
+    local base = self[tag] or 0
+    local enums = {...}
+    local n = #enums
+    for i = 1, n do
+        self[enums[i]] = i + base
+    end
+    self[tag] = base + n
+end
+
+-- register event types, event.ev_keyboard = 1, event.ev_mouse = 2, ... , event.ev_idle = 5, event.ev_max = 5
+event:register("ev_max", "ev_keyboard", "ev_mouse", "ev_command", "ev_broadcast", "ev_idle")
+
+-- define keyboard event
+--
+-- keyname = key name
+-- keycode = key code
+-- keymeta = ALT key was pressed
+--
+event.keyboard = object {_init = { "key_code", "key_name", "key_meta" }, type = event.ev_keyboard}
+
+-- define idle event
+event.idle = object {_init = {}, type = event.ev_idle}
+
+-- return module
+return event