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--!A cross-platform build utility based on Lua
--
-- Licensed 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) 2015-2020, TBOOX Open Source Group.
--
-- @author ruki
-- @file window.lua
--
-- load modules
local log = require("ui/log")
local rect = require("ui/rect")
local view = require("ui/view")
local label = require("ui/label")
local panel = require("ui/panel")
local event = require("ui/event")
local border = require("ui/border")
local curses = require("ui/curses")
local action = require("ui/action")
-- define module
local window = window or panel()
-- init window
function window:init(name, bounds, title, shadow)
-- init panel
panel.init(self, name, bounds)
-- check bounds
assert(self:width() > 4 and self:height() > 3, string.format("%s: too small!", tostring(self)))
-- insert shadow
if shadow then
self:insert(self:shadow())
self:frame():bounds():movee(-2, -1)
self:frame():invalidate(true)
end
-- insert border
self:frame():insert(self:border())
-- insert title
if title then
self._TITLE = label:new("window.title", rect{0, 0, #title, 1}, title)
self:title():textattr_set("blue bold")
self:title():action_set(action.ac_on_text_changed, function (v)
if v:text() then
local bounds = v:bounds()
v:bounds():resize(#v:text(), v:height())
bounds:move2(math.max(0, math.floor((self:frame():width() - v:width()) / 2)), bounds.sy)
v:invalidate(true)
end
end)
self:frame():insert(self:title(), {centerx = true})
end
-- insert panel
self:frame():insert(self:panel())
-- insert frame
self:insert(self:frame())
end
-- get frame
function window:frame()
if not self._FRAME then
self._FRAME = panel:new("window.frame", rect{0, 0, self:width(), self:height()}):background_set("white")
end
return self._FRAME
end
-- get panel
function window:panel()
if not self._PANEL then
self._PANEL = panel:new("window.panel", self:frame():bounds())
self._PANEL:bounds():grow(-1, -1)
self._PANEL:invalidate(true)
end
return self._PANEL
end
-- get title
function window:title()
return self._TITLE
end
-- get shadow
function window:shadow()
if not self._SHADOW then
self._SHADOW = view:new("window.shadow", rect{2, 1, self:width(), self:height()}):background_set("black")
end
return self._SHADOW
end
-- get border
function window:border()
if not self._BORDER then
self._BORDER = border:new("window.border", self:frame():bounds())
end
return self._BORDER
end
-- on event
function window:event_on(e)
-- select panel?
if e.type == event.ev_keyboard then
if e.key_name == "Tab" then
return self:panel():select_next()
end
end
end
-- return module
return window
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