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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-present, Xmake Open Source Community.
--
-- @author ruki
-- @file dialog.lua
--
-- load modules
local log = require("ui/log")
local rect = require("ui/rect")
local event = require("ui/event")
local label = require("ui/label")
local panel = require("ui/panel")
local action = require("ui/action")
local button = require("ui/button")
local window = require("ui/window")
local curses = require("ui/curses")
-- define module
local dialog = dialog or window()
-- update the position of all buttons
function dialog:_update_buttons_layout()
-- update the position of all buttons
local index = 1
local width = self:buttons():width()
local count = self:buttons():count()
local padding = math.floor(width / 8)
for v in self:buttons():views() do
local x = padding + index * math.floor((width - padding * 2) / (count + 1)) - math.floor(v:width() / 2)
if x + v:width() > width then
x = math.max(0, width - v:width())
end
v:bounds():move2(x, 0)
v:invalidate(true)
index = index + 1
end
end
-- init dialog
function dialog:init(name, bounds, title)
-- init window
window.init(self, name, bounds, title, true)
-- insert buttons
self:panel():insert(self:buttons())
self:panel():action_add(action.ac_on_resized, function (v)
self:buttons():bounds_set(rect:new(0, v:height() - 1, v:width(), 1))
self:_update_buttons_layout()
end)
-- mark as block mouse
self:option_set("blockmouse", true)
end
-- get buttons
function dialog:buttons()
if not self._BUTTONS then
self._BUTTONS = panel:new("dialog.buttons", rect:new(0, self:panel():height() - 1, self:panel():width(), 1))
end
return self._BUTTONS
end
-- get button from the given button name
function dialog:button(name)
return self:buttons():view(name)
end
-- add button
function dialog:button_add(name, text, command)
-- init button
local btn = button:new(name, rect:new(0, 0, #text, 1), text, command)
-- insert button
self:buttons():insert(btn)
-- update the position of all buttons
self:_update_buttons_layout()
-- invalidate
self:invalidate()
-- ok
return btn
end
-- select button from the given button name
function dialog:button_select(name)
self:buttons():select(self:button(name))
return self
end
-- quit dialog
function dialog:quit()
local parent = self:parent()
if parent then
self:action_on(action.ac_on_exit)
parent:remove(self)
end
end
-- on event
function dialog:on_event(e)
if e.type == event.ev_keyboard and e.key_name == "Esc" then
self:quit()
return true
end
return window.on_event(self, e)
end
-- return module
return dialog
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