57 lines
1.9 KiB
Text
57 lines
1.9 KiB
Text
** MetricField:
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+ in vcl:
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class VCL_DLLPUBLIC CurrencyField : public SpinField, public CurrencyFormatter
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class VCL_DLLPUBLIC CurrencyFormatter : public NumericFormatter
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class VCL_DLLPUBLIC MetricFormatter : public NumericFormatter
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class VCL_DLLPUBLIC NumericFormatter : public FormatterBase
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MetricFormatter - very simple sal_Int64 wrapping ...
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+ no doubles ...
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+ *Could* replicate this with the same interface:
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+ prolly easier / better to add an XMetricField interface.
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vcl's MetricField - itself does a load of (double) casting ...
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+ to get the value it wants :-)
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+ Urgh ! ...
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** Can we just twist VCLXCurrencyField to this purpose ?
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+ what differences would we want ?
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+ LongCurrencyFormatter -> 'MetricFormatter' ...
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** Interesting !
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+ VCLXCurrencyField is based on 'LongCurrencyField' not CurrencyField ...
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+ this is really based on 'BigInt' [ curious ] - so even more precision loss.
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+ So ... cut/paste VCLXCurencyField -> VCLXMetricField
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+ Look at 'VCLXNumericField' interface ...
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+ Use 'XNumericField' instead (?)
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+ why does this just not "just work" ?
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+ The 'MetricField' (is also a MetricFormatter)
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+ MetricFormatter [ unusually ] has 'Unit' support
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+ API grep shows:
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+ a) requires 'fieldunit'
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+ b) has "UserValue"
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+ c) => new IDL interface required ...
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+ sub-set / expand NumericField ?
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+ add 'CustomConvert' ?
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+ add '[SG]etFirst'/Last
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+ Properties:
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+ 'Unit'
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+ 'CustomUnitText'
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+ 'spin-size' -> 'value-step'
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+ 'BaseValue' ...
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+ sal_Int64 ... [!?] ...
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+ CorrectedValue
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+ Want properties for the UI designer (?)
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+ move that stuff out into there ?
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+ FIXME:
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+ rationalise the 'Modify' event crud ...
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+ share the code in a base-class ...
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+ Wrapper:
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+ need to have static methods 'ConvertDoubleValue' etc.
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+ also 'ConvertValue' etc.
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+ GetCorrectedValue - never used ...
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