Source code of Windows XP (NT5)
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#ifndef __RESCACHE_H__
#define __RESCACHE_H__
//////////////////////////////////////////////////////////////////////////
//
//
// rescache.h --- Header file for CResourceCache
//
//
/*
CResourceCache is a class which contains functions for all the globally cached resources
such as fonts, accelerators etc.
All of these functions initialize on demand.
*/
//////////////////////////////////////////////////////////////////////////
//
// Constants
//
// Number of global accelerators. Is the number of tabs, plus 1 for the options button.
const int c_NumTabCtrlKeys = (HH_MAX_TABS+1) + 1 ;
enum {
ACCEL_KEY_OPTIONS = HH_MAX_TABS+1 // The index into the TabCtrlKeys arrary for the options btn.
};
//////////////////////////////////////////////////////////////////////////
//
// CResourceCache
//
class CResourceCache
{
public:
// Constuctor
CResourceCache() ;
// Destruct
~CResourceCache() ;
public:
//--- Access Functions
char* MsgBoxTitle() ; // title for author message boxes
HFONT GetUIFont() ; // default font to use for listbox, buttons, etc.
HFONT GetAccessableUIFont() ; // A UI font that respects current accessability settings.
HFONT DefaultPrinterFont(HDC hDC);
HACCEL AcceleratorTable();
char TabCtrlKeys(int TabIndex) ; // tab ctrl accelerator keys.
//--- Other functions.
void TabCtrlKeys(int TabIndex, char) ; //Sets an accelerator key. Only used for custom tabs.
void InitRichEdit(); // Loads Riched20.dll, needed for multilingual (wide edit controls).
private:
//--- Initialization functions
void InitMsgBoxTitle() ;
void InitDefaultUIFont(HDC hDC = NULL, HFONT* hFont = NULL) ;
void InitAcceleratorTable();
void InitTabCtrlKeys() ;
private:
//--- Member variables.
char* m_pszMsgBoxTitle ;
HFONT m_hUIFontDefault ;
HFONT m_hUIAccessableFontDefault;
HACCEL m_hAccel;
HINSTANCE m_hInstRichEdit;
bool m_bInitTabCtrlKeys ; // Controls initializing the tab ctrl keys.
char m_TabCtrlKeys[c_NumTabCtrlKeys]; // Will IsDialogMessage fix this?
};
//////////////////////////////////////////////////////////////////////////
//
// globals.
//
extern CResourceCache _Resource ;
//////////////////////////////////////////////////////////////////////////
//
// Inline Functions
//
//////////////////////////////////////////////////////////////////////////
//
// MsgBoxTitle
//
inline char*
CResourceCache::MsgBoxTitle()
{
if (!m_pszMsgBoxTitle)
InitMsgBoxTitle() ;
return m_pszMsgBoxTitle ;
}
inline HFONT
CResourceCache::GetUIFont()
{
if (!m_hUIFontDefault)
InitDefaultUIFont() ;
return m_hUIFontDefault;
}
inline HFONT
CResourceCache::GetAccessableUIFont()
{
if (!m_hUIAccessableFontDefault)
InitDefaultUIFont() ;
return m_hUIAccessableFontDefault;
}
inline HFONT
CResourceCache::DefaultPrinterFont(HDC hDC)
{
HFONT hFont;
InitDefaultUIFont(hDC, &hFont);
return hFont;
}
inline HACCEL
CResourceCache::AcceleratorTable()
{
if (!m_hAccel)
InitAcceleratorTable();
return m_hAccel ;
}
inline char
CResourceCache::TabCtrlKeys(int TabIndex)
{
if (TabIndex < 0 || TabIndex > c_NumTabCtrlKeys)
{
return 0 ;
}
if (!m_bInitTabCtrlKeys)
InitTabCtrlKeys() ;
return m_TabCtrlKeys[TabIndex] ;
}
#endif //__RESCACHE_H__