51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
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///////////////////////////////////////////////////////////////////////////////
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// Name: wx/osx/cocoa/private/date.h
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// Purpose: NSDate-related helpers
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// Author: Vadim Zeitlin
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// Created: 2011-12-19
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// Copyright: (c) 2011 Vadim Zeitlin <vadim@wxwidgets.org>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_OSX_COCOA_PRIVATE_DATE_H_
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#define _WX_OSX_COCOA_PRIVATE_DATE_H_
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#include "wx/datetime.h"
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namespace wxOSXImpl
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{
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// Functions to convert between NSDate and wxDateTime.
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// Returns an NSDate corresponding to the given wxDateTime which can be invalid
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// (in which case nil is returned).
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inline NSDate* NSDateFromWX(const wxDateTime& dt)
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{
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if ( !dt.IsValid() )
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return nil;
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// Get the internal representation as a double used by NSDate.
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double ticks = dt.GetValue().ToDouble();
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// wxDateTime uses milliseconds while NSDate uses (fractional) seconds.
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return [NSDate dateWithTimeIntervalSince1970:ticks/1000.];
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}
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// Returns wxDateTime corresponding to the given NSDate (which may be nil).
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inline wxDateTime NSDateToWX(const NSDate* d)
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{
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if ( !d )
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return wxDefaultDateTime;
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// Reverse everything done above.
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wxLongLong ll;
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ll.Assign([d timeIntervalSince1970]*1000);
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wxDateTime dt(ll);
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return dt;
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}
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} // namespace wxOSXImpl
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#endif // _WX_OSX_COCOA_PRIVATE_DATE_H_
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