xref: /aoo41x/main/starmath/inc/utility.hxx (revision f6a9d5ca)

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 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
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 *************************************************************/


#ifndef UTILITY_HXX
#define UTILITY_HXX

#include <sfx2/minarray.hxx>
#ifndef _FONT_HXX //autogen
#include <vcl/font.hxx>
#endif
#include <vcl/fixed.hxx>
#include <vcl/combobox.hxx>
#include <vcl/lstbox.hxx>
#include <tools/fract.hxx>


class SmRect;
class String;

#define C2S(cChar) String::CreateFromAscii(RTL_CONSTASCII_STRINGPARAM(cChar))


/////////////////////////////////////////////////////////////////

inline long SmPtsTo100th_mm(long nNumPts)
	// returns the length (in 100th of mm) that corresponds to the length
	// 'nNumPts' (in units points).
	// 72.27 [pt] = 1 [inch] = 2,54 [cm] = 2540 [100th of mm].
	// result is being rounded to the nearest integer.
{
	DBG_ASSERT(nNumPts >= 0, "Sm : Ooops...");
	// broken into multiple and fraction of 'nNumPts' to reduce chance
	// of overflow
	// (7227 / 2) is added in order to round to the nearest integer
	return 35 * nNumPts + (nNumPts * 1055L + (7227 / 2)) / 7227L;
}


inline long SmPtsTo100th_mm(const Fraction &rNumPts)
	// as above but with argument 'rNumPts' as 'Fraction'
{
	Fraction  aTmp (254000L, 7227L);
	return aTmp *= rNumPts;
}


inline Fraction Sm100th_mmToPts(long nNum100th_mm)
	// returns the length (in points) that corresponds to the length
	// 'nNum100th_mm' (in 100th of mm).
{
	DBG_ASSERT(nNum100th_mm >= 0, "Sm : Ooops...");
	Fraction  aTmp (7227L, 254000L);
	return aTmp *= Fraction(nNum100th_mm);
}


inline long SmRoundFraction(const Fraction &rFrac)
{
	DBG_ASSERT(rFrac > Fraction(), "Sm : Ooops...");
	return (rFrac.GetNumerator() + rFrac.GetDenominator() / 2) / rFrac.GetDenominator();
}


class SmViewShell;
SmViewShell * SmGetActiveView();


////////////////////////////////////////////////////////////
//
// SmFace
//

sal_Bool    IsItalic( const Font &rFont );
sal_Bool    IsBold( const Font &rFont );

class SmFace : public Font
{
	long	nBorderWidth;

    void    Impl_Init();

public:
	SmFace() :
        Font(), nBorderWidth(-1) { Impl_Init(); }
	SmFace(const Font& rFont) :
        Font(rFont), nBorderWidth(-1) { Impl_Init(); }
	SmFace(const String& rName, const Size& rSize) :
        Font(rName, rSize), nBorderWidth(-1) { Impl_Init(); }
	SmFace( FontFamily eFamily, const Size& rSize) :
        Font(eFamily, rSize), nBorderWidth(-1) { Impl_Init(); }

	SmFace(const SmFace &rFace) :
        Font(rFace), nBorderWidth(-1) { Impl_Init(); }

	// overloaded version in order to supply a min value
	// for font size (height). (Also used in ctor's to do so.)
	void 	SetSize(const Size& rSize);

	void	SetBorderWidth(long nWidth)		{ nBorderWidth = nWidth; }
	long	GetBorderWidth() const;
	long	GetDefaultBorderWidth() const	{ return GetSize().Height() / 20 ; }
	void	FreezeBorderWidth()		{ nBorderWidth = GetDefaultBorderWidth(); }

	SmFace & operator = (const SmFace &rFace);
};

SmFace & operator *= (SmFace &rFace, const Fraction &rFrac);


#ifdef NEVER
////////////////////////////////////////////////////////////
//
// SmInfoText
//

class SmInfoText : public FixedText
{
protected:
	sal_uInt16	nMaxLen;
	String	aText;

public:
	SmInfoText(Window* pParent, WinBits nWinStyle = 0, sal_uInt16 nMax = 128);
	SmInfoText(Window* pParent, const ResId& rResId, sal_uInt16 nMax = 128);

	void	SetText(const String& rStr);

	XubString GetText() const { return (aText); }
};
#endif


////////////////////////////////////////////////////////////
//
// SmPickList
//

class SmPickList : public SfxPtrArr
{
protected:
	sal_uInt16	nSize;

	virtual void   *CreateItem(const String& rString) = 0;
	virtual void   *CreateItem(const void *pItem) = 0;
	virtual void	DestroyItem(void *pItem) = 0;

	virtual sal_Bool	CompareItem(const void *pFirstItem, const void *pSecondItem) const = 0;

	virtual String	GetStringItem(void *pItem) = 0;

	void	   *GetPtr(sal_uInt16 nPos) const { return SfxPtrArr::GetObject(nPos); }
	void	  *&GetPtr(sal_uInt16 nPos) { return SfxPtrArr::GetObject(nPos); }
	void		InsertPtr(sal_uInt16 nPos, void *pItem) { SfxPtrArr::Insert(nPos, pItem); }
	void		RemovePtr(sal_uInt16 nPos, sal_uInt16 nCount = 1) { SfxPtrArr::Remove(nPos, nCount); }

public:
	SmPickList(sal_uInt16 nInitSize = 0, sal_uInt16 nMaxSize = 5);
    virtual ~SmPickList();

	SmPickList&   operator = (const SmPickList& rList);

	void	   *Get(sal_uInt16 nPos = 0) const { return GetPtr(nPos); }
    using   SfxPtrArr::Insert;
	void		Insert(const void* pItem);
	void		Update(const void* pItem, const void *pNewItem);
    using   SfxPtrArr::Remove;
	void		Remove(const void* pItem);

    using   SfxPtrArr::operator [];
	void	   *operator [] (sal_uInt16 nPos) const { return GetPtr(nPos); }

	sal_uInt16		GetSize() const { return nSize; }
	sal_uInt16		Count() const { return SfxPtrArr::Count(); }

	void		Clear();
};


////////////////////////////////////////////////////////////
//
// SmStringPickList
//
#ifdef NEVER
class SmStringPickList : public SmPickList
{
protected:
	virtual void   *CreateItem(const String& rString);
	virtual void   *CreateItem(const void *pItem);
	virtual void	DestroyItem(void *pItem);

	virtual sal_Bool	CompareItem(const void *pFirstItem, const void *pSecondItem) const;

	virtual String	GetStringItem(void *pItem);

public:
	SmStringPickList()
		: SmPickList(0, 5) {}
	SmStringPickList(sal_uInt16 nInitSize, sal_uInt16 nMaxSize)
		: SmPickList(nInitSize, nMaxSize) {}
	SmStringPickList(const SmPickList& rOrig )
		: SmPickList(rOrig) {}
    virtual ~SmStringPickList() { Clear(); }

	virtual void	Insert(const String &rString);
	virtual void	Update(const String &rString, const String &rNewString);
	virtual void	Remove(const String &rString);

	inline sal_Bool		Contains(const String &rString) const;
	inline String	Get(sal_uInt16 nPos = 0) const;

	inline SmStringPickList& operator = (const SmStringPickList& rList);
	inline String			 operator [] (sal_uInt16 nPos) const;
};

inline SmStringPickList& SmStringPickList::operator = (const SmStringPickList& rList)
{
	*(SmPickList *)this = *(SmPickList *)&rList; return *this;
}

inline String SmStringPickList::operator [] (sal_uInt16 nPos) const
{
	return *((String *)SmPickList::operator[](nPos));
}

inline String SmStringPickList::Get(sal_uInt16 nPos) const
{
	return nPos < Count() ? *((String *)SmPickList::Get(nPos)) : String();
}

inline sal_Bool	SmStringPickList::Contains(const String &rString) const
{
	return SmPickList::Contains((void *)&rString);
}
#endif

////////////////////////////////////////////////////////////
//
// SmFontPickList
//

class SmFontDialog;

class SmFontPickList : public SmPickList
{
protected:
	virtual void   *CreateItem(const String& rString);
	virtual void   *CreateItem(const void *pItem);
	virtual void	DestroyItem(void *pItem);

	virtual sal_Bool	CompareItem(const void *pFirstItem, const void *pSecondItem) const;

	virtual String	GetStringItem(void *pItem);

public:
	SmFontPickList()
		: SmPickList(0, 5) {}
	SmFontPickList(sal_uInt16 nInitSize, sal_uInt16 nMaxSize)
		: SmPickList(nInitSize, nMaxSize) {}
	SmFontPickList(const SmPickList& rOrig )
		: SmPickList(rOrig) {}
    virtual ~SmFontPickList() { Clear(); }

    using   SfxPtrArr::Insert;
	virtual void	Insert(const Font &rFont);
    using   SmPickList::Update;
	virtual void	Update(const Font &rFont, const Font &rNewFont);
    using   SfxPtrArr::Remove;
	virtual void	Remove(const Font &rFont);

    using   SmPickList::Contains;
	inline sal_Bool		Contains(const Font &rFont) const;
	inline Font		Get(sal_uInt16 nPos = 0) const;

	inline SmFontPickList& 	operator = (const SmFontPickList& rList);
    using   SfxPtrArr::operator [];
	inline Font				operator [] (sal_uInt16 nPos) const;

	void 			ReadFrom(const SmFontDialog& rDialog);
	void 			WriteTo(SmFontDialog& rDialog) const;
};

inline SmFontPickList& SmFontPickList::operator = (const SmFontPickList& rList)
{
	*(SmPickList *)this = *(SmPickList *)&rList; return *this;
}

inline Font	SmFontPickList::operator [] (sal_uInt16 nPos) const
{
	return *((Font *)SmPickList::operator[](nPos));
}

inline Font SmFontPickList::Get(sal_uInt16 nPos) const
{
	return nPos < Count() ? *((Font *)SmPickList::Get(nPos)) : Font();
}

inline sal_Bool	SmFontPickList::Contains(const Font &rFont) const
{
	return SmPickList::Contains((void *)&rFont);
}


////////////////////////////////////////////////////////////
//
// SmStringPickComboBox
//
#ifdef NEVER
class SmStringPickComboBox : public SmStringPickList, public ComboBox
{
protected:
	virtual void LoseFocus();

	DECL_LINK(SelectHdl, ComboBox *);

public:
	SmStringPickComboBox(Window* pParent, WinBits nWinStyle = 0, sal_uInt16 nMax = 4);
	SmStringPickComboBox(Window* pParent, const ResId& rResId, sal_uInt16 nMax = 4);

	SmStringPickComboBox& operator = (const SmStringPickList& rList);

	void			SetText(const String& rStr);

	virtual void	Insert(const String &rString);
	virtual void	Update(const String &rString, const String &rNewString);
	virtual void	Remove(const String &rString);
};
#endif

////////////////////////////////////////////////////////////
//
//	SmFontPickListBox
//

class SmFontPickListBox : public SmFontPickList, public ListBox
{
protected:
	DECL_LINK(SelectHdl, ListBox *);

public:
	SmFontPickListBox(Window* pParent, const ResId& rResId, sal_uInt16 nMax = 4);

	SmFontPickListBox& operator = (const SmFontPickList& rList);

    using   SfxPtrArr::Insert;
	virtual void	Insert(const Font &rFont);
    using   Window::Update;
	virtual void	Update(const Font &rFont, const Font &rNewFont);
    using   SfxPtrArr::Remove;
	virtual void	Remove(const Font &rFont);
};

#endif