302 lines
12 KiB
C++
302 lines
12 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_SVTOOLS_FMTFIELD_HXX
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#define INCLUDED_SVTOOLS_FMTFIELD_HXX
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#include <svtools/svtdllapi.h>
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#include <vcl/spinfld.hxx>
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#include <svl/zforlist.hxx>
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namespace validation { class NumberValidator; }
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enum class FORMAT_CHANGE_TYPE
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{
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KEYONLY = 0x00, // only a new key was set
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FORMATTER = 0x01, // a new formatter was set, usually implies a change of the key, too
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PRECISION = 0x02, // a new precision was set
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THOUSANDSSEP = 0x03, // the thousands separator setting changed
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CURRENCY_SYMBOL = 0x10,
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CURRSYM_POSITION = 0x20,
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};
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class SVT_DLLPUBLIC FormattedField : public SpinField
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{
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private:
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// A SvNumberFormatter is very expensive (regarding time and space), it is a Singleton
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class StaticFormatter
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{
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static SvNumberFormatter* s_cFormatter;
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static sal_uLong s_nReferences;
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public:
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StaticFormatter();
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~StaticFormatter();
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operator SvNumberFormatter* () { return GetFormatter(); }
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SVT_DLLPUBLIC SvNumberFormatter* GetFormatter();
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};
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protected:
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OUString m_sLastValidText;
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// Has nothing to do with the current value. It is the last text, which was valid at input (checked by CheckText,
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// not yet through formatter)
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Selection m_aLastSelection;
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double m_dMinValue;
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double m_dMaxValue;
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bool m_bHasMin : 1;
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bool m_bHasMax : 1;
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bool m_bStrictFormat : 1;
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bool m_bEnableEmptyField : 1;
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bool m_bAutoColor : 1;
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bool m_bEnableNaN : 1;
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enum valueState { valueDirty, valueString, valueDouble };
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valueState m_ValueState;
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double m_dCurrentValue;
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double m_dDefaultValue;
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sal_uLong m_nFormatKey;
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SvNumberFormatter* m_pFormatter;
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StaticFormatter m_aStaticFormatter;
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double m_dSpinSize;
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double m_dSpinFirst;
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double m_dSpinLast;
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// There is a difference, when text formatting is enabled, if LostFocus formats the current String and displays it,
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// or if a double is created from the String and then
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bool m_bTreatAsNumber;
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// And with the following members we can use it for formatted text output as well ...
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OUString m_sCurrentTextValue;
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OUString m_sDefaultText;
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// The last color from the Formatter at the last output operation (not we would use it, but you can get it)
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Color* m_pLastOutputColor;
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bool m_bUseInputStringForFormatting;
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public:
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FormattedField(vcl::Window* pParent, WinBits nStyle = 0, SvNumberFormatter* pInitialFormatter = nullptr);
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// Min-/Max-management
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bool HasMinValue() const { return m_bHasMin; }
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void ClearMinValue() { m_bHasMin = false; }
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void SetMinValue(double dMin);
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double GetMinValue() const { return m_dMinValue; }
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bool HasMaxValue() const { return m_bHasMax; }
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void ClearMaxValue() { m_bHasMax = false; }
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void SetMaxValue(double dMax);
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double GetMaxValue() const { return m_dMaxValue; }
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// Current value
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void SetValue(double dVal);
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double GetValue();
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// The default implementation uses a formatter, if available
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void SetTextValue(const OUString& rText);
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// The String is transformed to a double (with a formatter) and SetValue is called afterwards
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bool IsEmptyFieldEnabled() const { return m_bEnableEmptyField; }
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void EnableEmptyField(bool bEnable);
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// If disabled, the value will be resetted to the last valid value on leave
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void SetDefaultValue(double dDefault) { m_dDefaultValue = dDefault; m_ValueState = valueDirty; }
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// If the current String is invalid, GetValue() returns this value
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double GetDefaultValue() const { return m_dDefaultValue; }
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// Settings for the format
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sal_uLong GetFormatKey() const { return m_nFormatKey; }
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void SetFormatKey(sal_uLong nFormatKey);
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SvNumberFormatter* GetFormatter() const { return m_pFormatter; }
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void SetFormatter(SvNumberFormatter* pFormatter, bool bResetFormat = true);
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// If bResetFormat is sal_False, the old format is tried to be kept. (expensive, if it is no default format, available in all formatters)
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// If sal_True, the new FormatKey is set to zero
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bool GetThousandsSep() const;
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void SetThousandsSep(bool _bUseSeparator);
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// the is no check if the current format is numeric, so be cautious when calling these functions
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sal_uInt16 GetDecimalDigits() const;
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void SetDecimalDigits(sal_uInt16 _nPrecision);
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// There is no check if the current format is numeric, so be cautious when calling these functions
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SvNumberFormatter* StandardFormatter() { return m_aStaticFormatter; }
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// If no new Formatter is created explicitly, this can be used in SetFormatter...
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OUString GetFormat(LanguageType& eLang) const;
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bool SetFormat(const OUString& rFormatString, LanguageType eLang);
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// sal_False, if the FormatString could not be set (and very probably is invalid)
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// This Object is shared via all instances, so be careful!
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bool IsStrictFormat() const { return m_bStrictFormat; }
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void SetStrictFormat(bool bEnable) { m_bStrictFormat = bEnable; }
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// Check format during input
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// Spin-Handling
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virtual void Up() override;
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virtual void Down() override;
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// Default Implementation: +/- default spin size to the double value
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virtual void First() override;
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virtual void Last() override;
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// Default Implementation: Current double is set to the first or last value
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void SetSpinSize(double dStep) { m_dSpinSize = dStep; }
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double GetSpinSize() const { return m_dSpinSize; }
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void SetSpinFirst(double dFirst) { m_dSpinFirst = dFirst; }
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double GetSpinFirst() const { return m_dSpinFirst; }
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void SetSpinLast(double dLast) { m_dSpinLast = dLast; }
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double GetSpinLast() const { return m_dSpinLast; }
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bool TreatingAsNumber() const { return m_bTreatAsNumber; }
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void TreatAsNumber(bool bDoSo) { m_bTreatAsNumber = bDoSo; }
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public:
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virtual void SetText( const OUString& rStr ) override;
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virtual void SetText( const OUString& rStr, const Selection& rNewSelection ) override;
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//The following methods are interesting, if m_bTreatAsNumber is set to sal_False
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//If someone does not care about all the double handling and just wants to print the text formatted.
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//(((The text will be formatted, using the Formatter, and then set)
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void SetTextFormatted(const OUString& rText);
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OUString GetTextValue() const;
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void SetDefaultText(const OUString& rDefault) { m_sDefaultText = rDefault; }
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const OUString& GetDefaultText() const { return m_sDefaultText; }
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// The last colour from the Formatter's last output operation. Output operations get triggered by:
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// SetValue, SetTextValue, SetTextFormatted, also indirectly via SetMin - / -MaxValue
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Color* GetLastOutputColor() const { return m_pLastOutputColor; }
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/** reformats the current text. Interesting if the user entered some text in an "input format", and
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this should be formatted in the "output format" (which may differ, e.g. by additional numeric
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digits or such).
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*/
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void Commit();
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// enable automatic coloring. if set to sal_True, and the format the field is working with for any current value
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// says that it has to be painted in a special color (e.g. a format where negative numbers should be printed
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// red), the text is painted with that color automatically.
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// The color used is the same as returned by GetLastOutputColor()
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void SetAutoColor(bool _bAutomatic);
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/** enables handling of not-a-number value.
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When this is set to <FALSE/> (the default), then invalid inputs (i.e. text which cannot be
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intepreted, according to the current formatting) will be handled as if the default value
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has been entered. GetValue the will return this default value.
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When set to <TRUE/>, then GetValue will return NaN (not a number, see <method scope="rtl::math">isNan</method>)
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when the current input is invalid.
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Note that setting this to <TRUE/> implies that upon leaving the control, the input
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will *not* be corrected to a valid value. For example, if the user enters "foo" in the
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control, and then tabs out of it, the text "foo" will persist, and GetValue will
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return NaN in subsequent calls.
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*/
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void EnableNotANumber( bool _bEnable );
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/** When being set to true, the strings in the field are formatted using the
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InputLine format. That's also what you get in Calc when you edit a cell
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using F2
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*/
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void UseInputStringForFormatting();
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bool IsUsingInputStringForFormatting() const { return m_bUseInputStringForFormatting;}
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protected:
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virtual bool Notify(NotifyEvent& rNEvt) override;
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void impl_Modify(bool makeValueDirty = true);
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virtual void Modify() override;
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// Override CheckTextfor input-time checks
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virtual bool CheckText(const OUString&) const { return true; }
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// any aspect of the current format has changed
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virtual void FormatChanged(FORMAT_CHANGE_TYPE nWhat);
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void ImplSetTextImpl(const OUString& rNew, Selection* pNewSel);
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void ImplSetValue(double dValue, bool bForce);
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bool ImplGetValue(double& dNewVal);
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void ImplSetFormatKey(sal_uLong nFormatKey);
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// SetFormatKey without FormatChanged notification
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SvNumberFormatter* CreateFormatter() { SetFormatter(StandardFormatter()); return m_pFormatter; }
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SvNumberFormatter* ImplGetFormatter() const { return m_pFormatter ? m_pFormatter : const_cast<FormattedField*>(this)->CreateFormatter(); }
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bool PreNotify(NotifyEvent& rNEvt) override;
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void ReFormat();
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};
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class SVT_DLLPUBLIC DoubleNumericField : public FormattedField
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{
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protected:
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validation::NumberValidator* m_pNumberValidator;
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public:
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DoubleNumericField(vcl::Window* pParent, WinBits nStyle = 0)
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:FormattedField(pParent, nStyle)
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,m_pNumberValidator( nullptr )
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{
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ResetConformanceTester();
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}
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virtual ~DoubleNumericField();
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virtual void dispose() override;
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protected:
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virtual bool CheckText(const OUString& sText) const override;
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virtual void FormatChanged(FORMAT_CHANGE_TYPE nWhat) override;
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void ResetConformanceTester();
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};
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class DoubleCurrencyField : public FormattedField
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{
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OUString m_sCurrencySymbol;
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bool m_bPrependCurrSym;
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bool m_bChangingFormat;
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public:
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DoubleCurrencyField(vcl::Window* pParent, WinBits nStyle = 0);
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const OUString& getCurrencySymbol() const { return m_sCurrencySymbol; }
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void setCurrencySymbol(const OUString& rSymbol);
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bool getPrependCurrSym() const { return m_bPrependCurrSym; }
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void setPrependCurrSym(bool _bPrepend);
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protected:
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virtual void FormatChanged(FORMAT_CHANGE_TYPE nWhat) override;
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void UpdateCurrencyFormat();
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};
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#endif // INCLUDED_SVTOOLS_FMTFIELD_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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