office-gobmx/starmath/inc/utility.hxx
2011-06-08 18:43:27 +02:00

270 lines
8.1 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#ifndef UTILITY_HXX
#define UTILITY_HXX
#include <sfx2/minarray.hxx>
#include <vcl/font.hxx>
#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.
{
OSL_ENSURE(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).
{
OSL_ENSURE(nNum100th_mm >= 0, "Sm : Ooops...");
Fraction aTmp (7227L, 254000L);
return aTmp *= Fraction(nNum100th_mm);
}
inline long SmRoundFraction(const Fraction &rFrac)
{
OSL_ENSURE(rFrac > Fraction(), "Sm : Ooops...");
return (rFrac.GetNumerator() + rFrac.GetDenominator() / 2) / rFrac.GetDenominator();
}
class SmViewShell;
SmViewShell * SmGetActiveView();
////////////////////////////////////////////////////////////
//
// SmFace
//
bool IsItalic( const Font &rFont );
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);
////////////////////////////////////////////////////////////
//
// 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 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();
};
////////////////////////////////////////////////////////////
//
// 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 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 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 bool SmFontPickList::Contains(const Font &rFont) const
{
return SmPickList::Contains((void *)&rFont);
}
////////////////////////////////////////////////////////////
//
// 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
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