Some notes on the last few changes.
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@ -60,11 +60,13 @@ var (
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_releaseDC = user32.NewProc("ReleaseDC")
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_releaseDC = user32.NewProc("ReleaseDC")
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)
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)
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// This function runs on uitask; call the functions directly.
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func (s *sysData) preferredSize() (width int, height int) {
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func (s *sysData) preferredSize() (width int, height int) {
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var dc _HANDLE
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var dc _HANDLE
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var tm _TEXTMETRICS
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var tm _TEXTMETRICS
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var baseX, baseY int
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var baseX, baseY int
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// TODO use GetDC() and not GetWindowDC()?
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r1, _, err := _getWindowDC.Call(uintptr(s.hwnd))
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r1, _, err := _getWindowDC.Call(uintptr(s.hwnd))
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if r1 == 0 { // failure
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if r1 == 0 { // failure
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panic(err) // TODO return it instead
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panic(err) // TODO return it instead
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