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require"cdlua"
require"iuplua"
require"iupluacd"
cnv = iup.canvas {size = "200x100"}
box = iup.vbox{
iup.button { title="Version" },
cnv,
iup.button { title="Close" },
}
dlg = iup.dialog{box; title="Example IUPLUA/CDLUA"}
function cnv:map_cb()
local canvas = cd.CreateCanvas(cd.IUP, self)
local dbuffer = cdCreateCanvas(cd.DBUFFER, canvas);
self.canvas = canvas -- store the CD canvas in a IUP attribute
self.dbuffer = dbuffer
end
function cnv:unmap_cb()
local canvas = self.canvas -- retrieve the CD canvas from the IUP attribute
local dbuffer = self.dbuffer
dbuffer:Kill()
canvas:Kill()
end
bt_version = dlg[1][1]
function bt_version:action()
iup.Message("Version", "CD Version: " .. cd.Version() .. "\nIUP Version: " .. iup.Version() .. "\n" .. _VERSION)
end
bt_close = dlg[1][3]
function bt_close:action()
return iup.CLOSE
end
function Render(dbuffer)
dbuffer:Activate()
dbuffer:Clear()
dbuffer:Foreground (cd.RED)
dbuffer:Box (10, 55, 10, 55)
dbuffer:Foreground(cd.EncodeColor(255, 32, 140))
dbuffer:Line(0, 0, 300, 100)
end
function cnv:action()
local dbuffer = self.dbuffer -- retrieve the CD canvas from the IUP attribute
dbuffer:Flush()
end
function cnv:button_cb(b, e, x, y, r)
print ("Button: " .. "Button="..tostring(b).." Pressed="..tostring(e).." X="..tostring(x).." Y="..tostring(y) )
end
function cnv:resize_cb()
local dbuffer = self.dbuffer -- retrieve the CD canvas from the IUP attribute
-- update size
dbuffer:Activate()
-- update render
Render(dbuffer);
end
dlg:show()
iup.MainLoop()
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