mirror of https://github.com/kepler155c/opus
102 lines
2.6 KiB
Lua
102 lines
2.6 KiB
Lua
local class = require('opus.class')
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local UI = require('opus.ui')
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UI.TitleBar = class(UI.Window)
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UI.TitleBar.defaults = {
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UIElement = 'TitleBar',
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height = 1,
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title = '',
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frameChar = UI.extChars and '\140' or '-',
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closeInd = UI.extChars and '\215' or '*',
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}
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function UI.TitleBar:draw()
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self:fillArea(2, 1, self.width - 2, 1, self.frameChar)
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self:centeredWrite(1, string.format(' %s ', self.title))
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if self.previousPage or self.event then
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self:write(self.width - 1, 1, ' ' .. self.closeInd)
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end
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end
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function UI.TitleBar:eventHandler(event)
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if event.type == 'mouse_click' then
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if (self.previousPage or self.event) and event.x == self.width then
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if self.event then
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self:emit({ type = self.event, element = self })
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elseif type(self.previousPage) == 'string' or
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type(self.previousPage) == 'table' then
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UI:setPage(self.previousPage)
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else
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UI:setPreviousPage()
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end
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return true
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end
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elseif event.type == 'mouse_down' then
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self.anchor = { x = event.x, y = event.y, ox = self.parent.x, oy = self.parent.y, h = self.parent.height }
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elseif event.type == 'mouse_drag' then
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if self.expand == 'height' then
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local d = event.dy
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if self.anchor.h - d > 0 and self.anchor.oy + d > 0 then
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self.parent:reposition(self.parent.x, self.anchor.oy + event.dy, self.width, self.anchor.h - d)
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end
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elseif self.moveable then
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local d = event.dy
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if self.anchor.oy + d > 0 and self.anchor.oy + d <= self.parent.parent.height then
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self.parent:move(self.anchor.ox + event.dx, self.anchor.oy + event.dy)
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end
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end
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end
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end
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function UI.TitleBar.example()
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return UI.Window {
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win1 = UI.Window {
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x = 9, y = 2, ex = -7, ey = -3,
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backgroundColor = 'green',
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titleBar = UI.TitleBar {
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title = 'A really, really, really long title', moveable = true,
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},
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button1 = UI.Button {
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x = 2, y = 3,
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text = 'Press',
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},
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focus = function (self)
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self:raise()
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end,
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},
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win2 = UI.Window {
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x = 7, y = 3, ex = -9, ey = -2,
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backgroundColor = 'orange',
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titleBar = UI.TitleBar {
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title = 'test', moveable = true,
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event = 'none',
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},
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button1 = UI.Button {
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x = 2, y = 3,
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text = 'Press',
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},
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focus = UI.Window.raise,
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},
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draw = function(self, isBG)
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for i = 1, self.height do
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self:write(1, i, self.filler or '')
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end
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if not isBG then
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for _,v in pairs(self.children) do
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v:draw()
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end
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end
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end,
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enable = function (self)
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require('opus.event').onInterval(.5, function()
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self.filler = string.rep(string.char(math.random(33, 126)), self.width)
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self:draw(true)
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self:sync()
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end)
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UI.Window.enable(self)
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end
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}
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end
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