xurfer/xurfer/lovr/lib/iui/widgets/button.lua

95 lines
2.4 KiB
Lua

local currentPath = (...):match('(.-)[^%./]+$')
local parentPath = currentPath:match('(.-)[^%./]+%.$')
--- @class IUILib
local iui = require(parentPath .. "iui")
--- @param name string
--- @return boolean
function iui.button(name)
local id = iui.beginID(name)
local intrinsicW, intrinsicH = iui.layout.getWantsIntrinsic()
local pressed = false
local disabled = iui.isDisabled()
local font = iui.style["font"]
local padding = iui.style["padding"]
local textW = math.ceil(font:getWidth(name))
local textH = math.ceil(font:getHeight())
if intrinsicW then
iui.layout.setIntrinsicWidth(textW + padding * 4)
end
if intrinsicH then
iui.layout.setIntrinsicHeight(textH + padding * 2)
end
if iui.layout.containsPoint() then
iui.becomeHover()
end
if iui.hoverID == id and iui.input.mouse.pressed:has(1) then
iui.becomeActive()
iui.becomeFocus()
end
if iui.activeID == id then
if not iui.input.mouse.down:has(1) then
if iui.hoverID == id then
pressed = true
end
iui.activeID = nil
end
end
if iui.isFocused(id) then
if iui.input.keyboard.pressed["space"] then
pressed = true
end
end
local x, y, w, h = iui.layout.getBounds()
-- Outline
if not disabled then
if iui.isFocused(id) and iui.idiom ~= "vr" then
iui.colors.sysAccent500:set()
elseif (iui.activeID == id and iui.hoverID == id) or pressed then
iui.colors.sysGray200:set()
elseif iui.hoverID == id then
iui.colors.sysGray400:set()
else
iui.colors.sysGray300:set()
end
iui.graphics.rectangle(x, y, w, h, 8, 8)
end
-- Background
if (iui.activeID == id and iui.hoverID == id) or pressed then
iui.colors.sysGray50:set()
elseif iui.hoverID == id then
iui.colors.sysGray200:set()
else
iui.colors.sysGray100:set()
end
iui.graphics.rectangle(x + 1, y + 1, w - 2, h - 2, 7, 7)
if disabled then
iui.colors.sysGray300:set()
else
iui.colors.sysGray900:set()
end
iui.graphics.setFont(font)
local textX = x + iui.utils.round((w - textW) / 2)
local textY = y + iui.utils.round((h - textH) / 2)
iui.graphics.print(name, textX, textY)
iui.endID()
return pressed
end