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