46 lines
1.0 KiB
Lua
46 lines
1.0 KiB
Lua
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require"cdlua"
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require"iuplua"
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require"iupluacd"
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iupcdaux = {}
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iupcdaux.count = 0
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-- Function to easy create a new IUP dialog with an IUP canvas,
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-- and a CD canvas pointing to that IUP canvas
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function iupcdaux.new_dialog(w, h)
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-- defaul size
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w = w or 300
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h = h or 200
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cnv = iup.canvas { bgcolor="255 255 255", rastersize=w.."x"..h }
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dlg = iup.dialog { cnv; title="canvas_"..(iupcdaux.count+1) }
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function cnv:map_cb()
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canvas = cd.CreateCanvas(cd.IUP, self)
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self.canvas = canvas -- store the CD canvas in a IUP attribute
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end
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function cnv:action()
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canvas = self.canvas -- retrieve the CD canvas from the IUP attribute
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canvas:Activate()
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canvas:Clear()
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if (self.Draw) then
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self:Draw(canvas)
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end
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end
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function dlg:close_cb()
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cnv = self[1]
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canvas = cnv.canvas -- retrieve the CD canvas from the IUP attribute
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canvas:Kill()
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self:destroy()
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return iup.IGNORE -- because we destroy the dialog
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end
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iupcdaux.count = iupcdaux.count + 1
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return dlg
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end
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