init ui program

18 files changed, 907 insertions, 101 deletions

diff --git a/tests/ui/hello.lua b/tests/ui/hello.lua
new file mode 100644
index 000000000..e2330ddb0
--- /dev/null
+++ b/tests/ui/hello.lua
@@ -0,0 +1,31 @@
+--!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        hello.lua
+--
+
+-- imports
+import("core.ui.application")
+
+-- main entry
+function main(...)
+    application.run(...)
+end
diff --git a/xmake/core/sandbox/modules/import/core/ui/application.lua b/xmake/core/sandbox/modules/import/core/ui/application.lua
new file mode 100644
index 000000000..3a2f02444
--- /dev/null
+++ b/xmake/core/sandbox/modules/import/core/ui/application.lua
@@ -0,0 +1,27 @@
+--!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 application.
+--
+-- @author      ruki
+-- @file        application.lua
+--
+
+-- load module: application
+return require("ui/application")
+
diff --git a/xmake/core/sandbox/modules/import/core/ui/canvas.lua b/xmake/core/sandbox/modules/import/core/ui/canvas.lua
new file mode 100644
index 000000000..ea4e67300
--- /dev/null
+++ b/xmake/core/sandbox/modules/import/core/ui/canvas.lua
@@ -0,0 +1,26 @@
+--!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        canvas.lua
+--
+
+-- load modules
+return require("ui/canvas")
diff --git a/xmake/core/sandbox/modules/import/core/ui/curses.lua b/xmake/core/sandbox/modules/import/core/ui/curses.lua
new file mode 100644
index 000000000..8442c2361
--- /dev/null
+++ b/xmake/core/sandbox/modules/import/core/ui/curses.lua
@@ -0,0 +1,26 @@
+--!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        curses.lua
+--
+
+-- return module: curses
+return require("ui/curses")
diff --git a/xmake/core/sandbox/modules/import/core/ui/group.lua b/xmake/core/sandbox/modules/import/core/ui/group.lua
new file mode 100644
index 000000000..952a9c17b
--- /dev/null
+++ b/xmake/core/sandbox/modules/import/core/ui/group.lua
@@ -0,0 +1,26 @@
+--!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        group.lua
+--
+
+-- return module: group
+return require("ui/group")
diff --git a/xmake/core/sandbox/modules/import/core/ui/log.lua b/xmake/core/sandbox/modules/import/core/ui/log.lua
new file mode 100644
index 000000000..f0401008c
--- /dev/null
+++ b/xmake/core/sandbox/modules/import/core/ui/log.lua
@@ -0,0 +1,26 @@
+--!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        log.lua
+--
+
+-- return module: log
+return require("ui/log")
diff --git a/xmake/core/sandbox/modules/import/core/ui/object.lua b/xmake/core/sandbox/modules/import/core/ui/object.lua
new file mode 100644
index 000000000..8a270708a
--- /dev/null
+++ b/xmake/core/sandbox/modules/import/core/ui/object.lua
@@ -0,0 +1,26 @@
+--!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        object.lua
+--
+
+-- return module: object
+return require("ui/object")
diff --git a/xmake/core/sandbox/modules/import/core/ui/point.lua b/xmake/core/sandbox/modules/import/core/ui/point.lua
new file mode 100644
index 000000000..2dd6998a2
--- /dev/null
+++ b/xmake/core/sandbox/modules/import/core/ui/point.lua
@@ -0,0 +1,26 @@
+--!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        point.lua
+--
+
+-- return module: point
+return require("ui/point")
diff --git a/xmake/core/sandbox/modules/import/core/ui/program.lua b/xmake/core/sandbox/modules/import/core/ui/program.lua
new file mode 100644
index 000000000..9b073105f
--- /dev/null
+++ b/xmake/core/sandbox/modules/import/core/ui/program.lua
@@ -0,0 +1,26 @@
+--!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 program.
+--
+-- @author      ruki
+-- @file        program.lua
+--
+
+-- return module: program
+return require("ui/program")
diff --git a/xmake/core/sandbox/modules/import/core/ui/rect.lua b/xmake/core/sandbox/modules/import/core/ui/rect.lua
new file mode 100644
index 000000000..4acb7a6c5
--- /dev/null
+++ b/xmake/core/sandbox/modules/import/core/ui/rect.lua
@@ -0,0 +1,26 @@
+--!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        rect.lua
+--
+
+-- return module: rect
+return require("ui/rect")
diff --git a/xmake/core/sandbox/modules/import/core/ui/test.lua b/xmake/core/sandbox/modules/import/core/ui/test.lua
deleted file mode 100644
index 832a32586..000000000
--- a/xmake/core/sandbox/modules/import/core/ui/test.lua
+++ /dev/null
@@ -1,101 +0,0 @@
---!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        linker.lua
---
-
--- define module
-local sandbox_core_ui_test = sandbox_core_ui_test or {}
-
--- load modules
-local log       = require("ui/log")
-local curses    = require("ui/curses")
-local raise     = require("sandbox/modules/raise")
-
-function test()
-
-    log:flush()
-    curses.init()
-    curses.echo(false)
-    curses.cbreak(true)
-    curses.nl(false)
-    curses.map_output(true)
-    curses.map_keyboard(true)
-    if (curses.has_colors()) then curses.start_color() end
-    local attr = curses.calc_attr{ curses.color_pair("yellow", "green"), 'bold' }
-    log:printv(attr)
-    log:flush()
-
-    --[[
-    curses.init()
-    local blines = 5
-    local olines = 10
-    local lines, columns = curses.lines(), curses.columns()
-    local stdscr = curses.main_window()
-    -- create windows
-    w_out = stdscr:sub(lines - blines - olines, columns, olines, 0)
-    w_in = stdscr:sub(blines, columns, lines - blines, 0)
-
-    -- auto refresh
-    w_out:immedok(true)
-    w_in:immedok(true)
-
-    -- scroll region
-    w_in:scrollok(true)
-    w_out:scrollok(true)
-
-    -- decoration
-    w_out:mvhline(lines - blines - olines - 1, 0, curses.ACS_HLINE, columns)
-    w_out:mvhline(0, 0, curses.ACS_HLINE, columns)
-    w_out:move(1, 0)
-    assert(w_out:wsetscrreg(1, lines - blines - olines - 2), "wsetscrreg")
-
-    --w_out:wgetch()
-    printx = function(...)
-        for _, a in ipairs({...}) do
-            w_out:addstr(tostring(a)..'\t')
-        end
-        w_out:addstr('\n')
-    end
-
-
-    local y, x, cmd, ok, msg
-    while (1) do
-        y, x = w_in:getyx() w_in:move(y, x) w_in:refresh()
-        cmd = w_in:getstr()
-        printx('> '..cmd)
-        if (cmd == 'exit' or string.byte(cmd, 1, 1) == 4) then 
-            break
-        end
-    end]]
-end
-
-function sandbox_core_ui_test.main()
-
-    local ok, msg = pcall(test)
-    curses.done()
-    if not ok then 
-        print(msg) 
-    end
-end
-
--- return module
-return sandbox_core_ui_test
diff --git a/xmake/core/sandbox/modules/import/core/ui/view.lua b/xmake/core/sandbox/modules/import/core/ui/view.lua
new file mode 100644
index 000000000..4739c5df2
--- /dev/null
+++ b/xmake/core/sandbox/modules/import/core/ui/view.lua
@@ -0,0 +1,26 @@
+--!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        view.lua
+--
+
+-- return module: view
+return require("ui/view")
diff --git a/xmake/core/ui/application.lua b/xmake/core/ui/application.lua
new file mode 100644
index 000000000..2c993456c
--- /dev/null
+++ b/xmake/core/ui/application.lua
@@ -0,0 +1,80 @@
+--!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        application.lua
+--
+
+--[[ Console User Interface (cui) ]-----------------------------------------
+Author: Tiago Dionizio (tiago.dionizio AT gmail.com)
+$Id: application.lua 18 2007-06-21 20:43:52Z tngd $
+--------------------------------------------------------------------------]]
+
+-- load modules
+local os        = require("base/os")
+local curses    = require("ui/curses")
+local program   = require("ui/program")
+
+-- define module
+local application = application or program()
+
+-- init application
+function application:init()
+
+    -- init program
+    program.init(self)
+end
+
+-- exit application
+function application:exit()
+
+    -- exit program
+    program.exit(self)
+end
+
+-- run application 
+function application.run(...)
+
+    -- init runner
+    local argv = {...}
+    local runner = function ()
+
+        -- new an application
+        local app = application:new()
+        if app then
+            app:run(argv)
+            app:exit()
+        end
+    end
+
+    -- run application
+    local ok, errors = xpcall(runner, debug.traceback)
+
+    -- exit curses
+    if not ok then
+        if not curses.isdone() then
+            curses.done()
+        end
+        os.raise(errors)
+    end
+end
+
+-- return module
+return application
diff --git a/xmake/core/ui/group.lua b/xmake/core/ui/group.lua
new file mode 100644
index 000000000..064ccfd76
--- /dev/null
+++ b/xmake/core/ui/group.lua
@@ -0,0 +1,53 @@
+--!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        group.lua
+--
+
+--[[ Console User Interface (cui) ]-----------------------------------------
+Author: Tiago Dionizio (tiago.dionizio AT gmail.com)
+$Id: group.lua 18 2007-06-21 20:43:52Z tngd $
+--------------------------------------------------------------------------]]
+
+-- load modules
+local view   = require("ui/view")
+local curses = require("ui/curses")
+
+-- define module
+local group = group or view()
+
+-- init group
+function group:init(bounds)
+    view.init(self, bounds)
+end
+
+-- exit group
+function group:exit()
+    view.exit(self)
+end
+
+-- execute group
+function group:execute()
+end
+
+
+-- return module
+return group
diff --git a/xmake/core/ui/point.lua b/xmake/core/ui/point.lua
new file mode 100644
index 000000000..56c586436
--- /dev/null
+++ b/xmake/core/ui/point.lua
@@ -0,0 +1,104 @@
+--!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        point.lua
+--
+
+--[[ Console User Interface (cui) ]-----------------------------------------
+Author: Tiago Dionizio (tiago.dionizio AT gmail.com)
+$Id: point.lua 18 2007-06-21 20:43:52Z tngd $
+--------------------------------------------------------------------------]]
+
+-- load modules
+local object = require("ui/object")
+
+-- define module
+local point = point or object { _init = {"x", "y"} }
+
+-- add delta x and y
+function point:addxy(dx, dy)
+    self.x = self.x + dx
+    self.y = self.y + dy
+    return self
+end
+
+-- add point
+function point:add(p)
+    return self:addxy(p.x, p.y)
+end
+
+-- sub delta x and y
+function point:subxy(dx, dy)
+    return self:addxy(-dx, -dy)
+end
+
+-- sub point
+function point:sub(p)
+    return self:addxy(-p.x, -p.y)
+end
+
+-- p1 + p2
+function point:__add(p)
+    local np = self()
+    np.x = np.x + p.x
+    np.y = np.y + p.y
+    return np
+end
+
+-- p1 - p2
+function point:__sub(p)
+    local np = self()
+    np.x = np.x - p.x
+    np.y = np.y - p.y
+    return np
+end
+
+-- -p
+function point:__unm()
+    local p = self()
+    p.x = -p.x
+    p.y = -p.y
+    return p
+end
+
+-- p1 == p2?
+function point:__eq(p)
+    return self.x == p.x and self.y == p.y
+end
+
+-- tostring(p)
+function point:__tostring()
+    return '(' .. self.x .. ',' .. self.y .. ')'
+end
+
+-- p1 .. p2
+function point.__concat(op1, op2)
+    if type(op1) == 'string' then
+        return op1 .. op2:__tostring()
+    elseif type(op2) == 'string' then
+        return op1:__tostring() .. op2
+    else
+        return op1:__tostring() .. op2:__tostring()
+    end
+end
+
+-- return module
+return point
diff --git a/xmake/core/ui/program.lua b/xmake/core/ui/program.lua
new file mode 100644
index 000000000..a1ec01edf
--- /dev/null
+++ b/xmake/core/ui/program.lua
@@ -0,0 +1,139 @@
+--!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        program.lua
+--
+
+--[[ Console User Interface (cui) ]-----------------------------------------
+Author: Tiago Dionizio (tiago.dionizio AT gmail.com)
+$Id: program.lua 18 2007-06-21 20:43:52Z tngd $
+--------------------------------------------------------------------------]]
+
+-- load modules
+local rect   = require("ui/rect")
+local group  = require("ui/group")
+local curses = require("ui/curses")
+
+-- define module
+local program = program or group()
+
+-- init program
+function program:init()
+
+    -- init main window
+    local main_window = self:main_window()
+
+    -- disable echo
+    curses.echo(false)
+
+    -- disable input cache
+    curses.cbreak(true)
+
+    -- disable newline
+    curses.nl(false)
+
+    -- to filter characters being output to the screen
+    -- this will filter all characters where a chtype or chstr is used
+    curses.map_output(true)
+
+    -- on WIN32 ALT keys need to be mapped, so to make sure you get the wanted keys,
+    -- only makes sense when using keypad(true) and echo(false)
+    curses.map_keyboard(true)
+
+    -- init colors
+    if (curses.has_colors()) then 
+        curses.start_color() 
+    end
+
+--    init_keymap()
+
+    -- disable main window cursor
+    main_window:leaveok(false)
+
+    -- enable special key map
+    main_window:keypad(true)
+
+    -- non-block for getch()
+    main_window:nodelay(true)
+
+    -- get 8-bits character for getch()
+    main_window:meta(true)
+
+    -- init group
+    group.init(self, rect {0, 0, curses.columns(), curses.lines()})
+
+    --[[
+    self:set_state('selected', true)
+    self:set_state('focused', true)
+    ]]
+end
+
+-- exit program
+function program:exit()
+
+    -- exit group
+    group.exit(self)
+
+    -- (attempt to) make sure the screen will be cleared
+    -- if not restored by the curses driver
+    self:main_window():clear()
+    self:main_window():noutrefresh()
+    curses.doupdate()
+
+    -- exit curses
+    assert(not curses.isdone())
+    curses.done()
+end
+
+-- get the main window
+function program:main_window()
+
+    -- init main window if not exists
+    local main_window = self._MAIN_WINDOW
+    if not main_window then
+        
+        -- init main window
+        main_window = curses.init()
+        assert(main_window, "cannot init main window!")
+
+        -- save main window
+        self._MAIN_WINDOW = main_window
+    end
+    return main_window
+end
+
+-- get the command arguments
+function program:argv()
+    return self._ARGV
+end
+
+-- run program
+function program:run(argv)
+
+    -- save the current arguments
+    self._ARGV = argv
+
+    -- execute group
+    self:execute()
+end
+
+-- return module
+return program
diff --git a/xmake/core/ui/rect.lua b/xmake/core/ui/rect.lua
new file mode 100644
index 000000000..6264ad67c
--- /dev/null
+++ b/xmake/core/ui/rect.lua
@@ -0,0 +1,142 @@
+
+--!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        rect.lua
+--
+
+--[[ Console User Interface (cui) ]-----------------------------------------
+Author: Tiago Dionizio (tiago.dionizio AT gmail.com)
+$Id: rect.lua 18 2007-06-21 20:43:52Z tngd $
+--------------------------------------------------------------------------]]
+
+-- load modules
+local point  = require("ui/point")
+local object = require("ui/object")
+
+-- define module
+local rect = rect or object { _init = {"sx", "sy", "ex", "ey"} }
+
+-- get rect size
+function rect:size()
+    return point { self.ex - self.sx, self.ey - self.sy }
+end
+
+-- move rect
+function rect:move(dx, dy)
+    self.sx = self.sx + dx
+    self.sy = self.sy + dy
+    self.ex = self.ex + dx
+    self.ey = self.ey + dy
+    return self
+end
+
+-- move top right corner of the rect
+function rect:moves(dx, dy)
+    self.sx = self.sx + dx
+    self.sy = self.sy + dy
+    return self
+end
+
+-- move bottom left corner of the rect
+function rect:movee(dx, dy)
+    self.ex = self.ex + dx
+    self.ey = self.ey + dy
+    return self
+end
+
+-- expand rect area
+function rect:grow(dx, dy)
+    self.sx = self.sx - dx
+    self.sy = self.sy - dy
+    self.ex = self.ex + dx
+    self.ey = self.ey + dy
+    return self
+end
+
+-- set rect with shared area between this rect and a given rect
+function rect:intersect(r)
+    self.sx = math.max(self.sx, r.sx)
+    self.sy = math.max(self.sy, r.sy)
+    self.ex = math.min(self.ex, r.ex)
+    self.ey = math.min(self.ey, r.ey)
+    return self
+end
+
+-- get rect with shared area between two rects: local rect_new = r1 / r2
+function rect:__div(r)
+    return self():intersect(r)
+end
+
+-- set union rect
+function rect:union(r)
+    self.sx = math.min(self.sx, r.sx)
+    self.sy = math.min(self.sy, r.sy)
+    self.ex = math.max(self.ex, r.ex)
+    self.ey = math.max(self.ey, r.ey)
+    return self
+end
+
+-- get union rect: local rect_new = r1 + r2
+function rect:__add(r)
+    return self():union(r)
+end
+
+-- r1 == r1?
+function rect:__eq(r)
+    return
+        self.sx == r.sx and
+        self.sy == r.sy and
+        self.ex == r.ex and
+        self.ey == r.ey
+end
+
+-- contains the given point in rect?
+function rect:contains(x, y)
+    return x >= self.sx and x < self.ex and y >= self.sy and y < self.ey
+end
+
+-- empty rect?
+function rect:empty()
+    return self.sx >= self.ex or self.sy >= self.ey
+end
+
+-- tostring(r)
+function rect:__tostring()
+    if self:empty() then
+        return '[empty]'
+    end
+    return '[(' .. self.sx .. ',' .. self.sy .. '),(' .. self.ex .. ',' .. self.ey .. ')]'
+end
+
+-- r1 .. r2
+function rect.__concat(op1, op2)
+    if type(op1) == 'string' then
+        return op1 .. op2:__tostring()
+    elseif type(op2) == 'string' then
+        return op1:__tostring() .. op2
+    else
+        return op1:__tostring() .. op2:__tostring()
+    end
+end
+
+-- return module
+return rect
diff --git a/xmake/core/ui/view.lua b/xmake/core/ui/view.lua
new file mode 100644
index 000000000..e8e38a9f3
--- /dev/null
+++ b/xmake/core/ui/view.lua
@@ -0,0 +1,97 @@
+--!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        view.lua
+--
+
+--[[ Console User Interface (cui) ]-----------------------------------------
+Author: Tiago Dionizio (tiago.dionizio AT gmail.com)
+$Id: view.lua 18 2007-06-21 20:43:52Z tngd $
+--------------------------------------------------------------------------]]
+
+-- load modules
+local object = require("ui/object")
+local curses = require("ui/curses")
+
+-- define module
+local view = view or object()
+
+-- new view instance
+function view:new(bounds)
+
+    -- create instance
+    self = self()
+
+    -- init view
+    self:init(bounds)
+
+    -- done
+    return self
+end
+
+-- init view
+function view:init(bounds)
+
+    -- check
+    assert(type(bounds) == 'table')
+
+    -- init bounds
+    self:bounds_set(bounds)
+end
+
+-- exit view
+function view:exit()
+
+    -- close window
+    if self._window then
+        self._window:close()
+        self._window = nil
+    end
+end
+
+-- set window bounds
+function view:bounds_set(bounds)
+
+    -- close the previous windows first
+    if self._window then
+        self._window:close()
+    end
+
+    -- init bounds
+    self._bounds = bounds()
+
+    -- create a new window
+    local size = bounds:size()
+    self._window = curses.new_pad(size.y > 0 and size.y or 1, size.x > 0 and size.x or 1)
+    assert(self._window, "cannot create window!")
+
+    -- disable cursor
+    self._window:leaveok(true)
+end
+
+-- get window bounds
+function view:bounds()
+    return self._bounds()
+end
+
+
+-- return module
+return view