You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
133 lines
3.4 KiB
133 lines
3.4 KiB
/*--------------------------------------------------------------------------*
|
|
*
|
|
* Microsoft Windows
|
|
* Copyright (C) Microsoft Corporation, 1992 - 1999
|
|
*
|
|
* File: fontlink.h
|
|
*
|
|
* Contents: Interface file for CFontLinker
|
|
*
|
|
* History: 17-Aug-98 jeffro Created
|
|
*
|
|
*--------------------------------------------------------------------------*/
|
|
|
|
#ifndef FONTLINK_H
|
|
#define FONTLINK_H
|
|
#pragma once
|
|
|
|
#include <string>
|
|
#include <mlang.h>
|
|
#include <comdef.h>
|
|
|
|
|
|
HFONT GetFontFromDC (HDC hdc);
|
|
|
|
class CRichText;
|
|
|
|
|
|
class CFontLinker
|
|
{
|
|
public:
|
|
CFontLinker ();
|
|
virtual ~CFontLinker ();
|
|
|
|
LRESULT OnCustomDraw (NMCUSTOMDRAW* pnmcd);
|
|
void ReleaseFonts ();
|
|
bool ComposeRichText (CRichText& rt);
|
|
|
|
IMultiLanguage* GetMultiLang ();
|
|
IMLangFontLink* GetFontLink ();
|
|
|
|
virtual bool IsAnyItemLocalizable () const
|
|
{ return (true); }
|
|
|
|
virtual bool IsItemLocalizable (NMCUSTOMDRAW* pnmcd) const
|
|
{ return (true); }
|
|
|
|
virtual UINT GetDrawTextFlags () const
|
|
{ return (DT_LEFT | DT_VCENTER | DT_END_ELLIPSIS | DT_NOPREFIX | DT_SINGLELINE); }
|
|
|
|
virtual std::wstring GetItemText (NMCUSTOMDRAW* pnmcd) const
|
|
{ return (L""); }
|
|
|
|
private:
|
|
LRESULT OnCustomDraw_PrePaint (NMCUSTOMDRAW* pnmcd);
|
|
LRESULT OnCustomDraw_PostPaint (NMCUSTOMDRAW* pnmcd);
|
|
LRESULT OnCustomDraw_ItemPrePaint (NMCUSTOMDRAW* pnmcd);
|
|
bool GetFontCodePages (HDC hdc, HFONT hFont, DWORD& dwFontCodePages);
|
|
|
|
typedef std::set<HFONT> FontSet;
|
|
typedef std::map<HFONT, DWORD> FontToCodePagesMap;
|
|
|
|
FontSet m_FontsToRelease;
|
|
FontToCodePagesMap m_CodePages;
|
|
IMultiLanguagePtr m_spMultiLang;
|
|
IMLangFontLinkPtr m_spFontLink;
|
|
UINT m_cPendingPostPaints;
|
|
|
|
struct FontReleaser : public std::unary_function<HFONT, HRESULT>
|
|
{
|
|
public:
|
|
FontReleaser (IMLangFontLink* pFontLink) : m_spFontLink (pFontLink) {}
|
|
|
|
HRESULT operator() (HFONT hFont)
|
|
{
|
|
ASSERT (m_spFontLink != NULL);
|
|
return (m_spFontLink->ReleaseFont (hFont));
|
|
}
|
|
|
|
private:
|
|
IMLangFontLinkPtr const m_spFontLink;
|
|
};
|
|
};
|
|
|
|
|
|
struct TextSegmentFontInfo
|
|
{
|
|
HFONT hFont;
|
|
long cch;
|
|
};
|
|
|
|
|
|
class CRichText
|
|
{
|
|
friend class CFontLinker;
|
|
|
|
public:
|
|
CRichText (HDC hdc, std::wstring strText)
|
|
: m_hdc (hdc),
|
|
m_strText (strText),
|
|
m_hDefaultFont (GetFontFromDC (hdc))
|
|
{}
|
|
|
|
~CRichText ()
|
|
{}
|
|
|
|
bool IsDefaultFontSufficient () const
|
|
{ return (IsSingleFontSufficient() &&
|
|
GetSufficientFont() == m_hDefaultFont); }
|
|
|
|
bool IsSingleFontSufficient () const
|
|
{ return (m_TextSegments.size() == 1); }
|
|
|
|
HFONT GetSufficientFont () const
|
|
{ return (m_TextSegments.front().hFont); }
|
|
|
|
bool Draw (
|
|
LPCRECT rect, /* i:rect to draw in */
|
|
UINT uFormat, /* i:DrawText format flags */
|
|
LPRECT prectRemaining = NULL) /* o:space remaining after drawing */
|
|
const;
|
|
|
|
private:
|
|
typedef std::vector<TextSegmentFontInfo> TextSegmentFontInfoCollection;
|
|
|
|
const HDC m_hdc;
|
|
const std::wstring m_strText;
|
|
const HFONT m_hDefaultFont;
|
|
|
|
TextSegmentFontInfoCollection m_TextSegments;
|
|
};
|
|
|
|
|
|
#endif /* FONTLINK_H */
|