Source code of Windows XP (NT5)
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#include "stdafx.h"
#include <direct.h>
#include <tchar.h>
#include "global.h"
#include "pbrush.h"
#include "pbrusdoc.h"
#include "pbrusfrm.h"
#ifdef _DEBUG
#undef THIS_FILE
static CHAR BASED_CODE THIS_FILE[] = __FILE__;
#endif // _DEBUG
#include "memtrace.h"
/***************************************************************************/
//
// This function returns a pointer to a monochrome GDI brush with
// alternating "black" and "white" pixels. This brush should NOT
// be deleted!
//
CBrush* GetHalftoneBrush()
{
static CBrush NEAR halftoneBrush;
if (halftoneBrush.m_hObject == NULL)
{
static WORD NEAR rgwHalftone [] =
{
0xaaaa, 0x5555, 0xaaaa, 0x5555, 0xaaaa, 0x5555, 0xaaaa, 0x5555
};
CBitmap bitmap;
if (!bitmap.CreateBitmap(8, 8, 1, 1, rgwHalftone))
return NULL;
if (!halftoneBrush.CreatePatternBrush(&bitmap))
return NULL;
}
return &halftoneBrush;
}
/////////////////////////////////////////////////////////////////////////////
//
// The following code manages a cache of GDI brushes that correspond to
// the system defined colors. The cache is flushed when the user changes
// any of the system colors using the control panel. Using GetSysBrush()
// to get a system colored brush will be more efficient than creating the
// brush yourself.
//
void ResetSysBrushes()
{
//NOTE: we don't include our extensions to the "system" brushes, because
// often the brush handle is used as hbrBackground for a Window class!
for (UINT nBrush = 0; nBrush < nSysBrushes + nOurBrushes; nBrush++)
if (theApp.m_pbrSysColors[nBrush])
{
delete theApp.m_pbrSysColors[nBrush];
theApp.m_pbrSysColors[nBrush] = NULL;
}
}
COLORREF MyGetSysColor(UINT nSysColor)
{
if (nSysColor < nSysBrushes)
return ::GetSysColor( nSysColor );
static COLORREF NEAR rgColors[nOurBrushes] =
{
CMP_RGB_HILITE, CMP_RGB_LTGRAY, CMP_RGB_DKGRAY, CMP_RGB_BLACK,
};
ASSERT((int)nSysColor - CMP_COLOR_HILITE >= 0);
ASSERT((int)nSysColor - CMP_COLOR_HILITE < nOurBrushes);
return rgColors[nSysColor - CMP_COLOR_HILITE];
}
CBrush* GetSysBrush(UINT nSysColor)
{
ASSERT(nSysColor < nSysBrushes + nOurBrushes);
if (! theApp.m_pbrSysColors[nSysColor])
{
COLORREF cr = MyGetSysColor(nSysColor);
theApp.m_pbrSysColors[nSysColor] = new CBrush;
if (theApp.m_pbrSysColors[nSysColor])
{
if (! theApp.m_pbrSysColors[nSysColor]->CreateSolidBrush( cr ))
{
TRACE( TEXT("GetSysBrush failed!\n") );
theApp.SetGdiEmergency();
delete theApp.m_pbrSysColors[nSysColor];
theApp.m_pbrSysColors[nSysColor] = NULL;
}
}
else
theApp.SetMemoryEmergency();
}
return theApp.m_pbrSysColors[nSysColor];
}
//
// PreTerminateList
// Helper function for deleting all objects in a list, and then
// truncating the list. Help stop leaks by using this, so your
// objects don't get left in memory.
//
void PreTerminateList( CObList* pList )
{
if (pList == NULL || pList->IsEmpty())
return;
while (! pList->IsEmpty())
{
CObject* pObj = pList->RemoveHead();
delete pObj;
}
}
/////////////////////////////////////////////////////////////////////////////
void MySplitPath (const TCHAR *szPath, TCHAR *szDrive, TCHAR *szDir, TCHAR *szName, TCHAR *szExt)
{
// Found this in tchar.h
_tsplitpath (szPath, szDrive, szDir, szName, szExt);
}
// Remove the drive and directory from a file name...
//
CString StripPath(const TCHAR* szFilePath)
{
TCHAR szName [_MAX_FNAME + _MAX_EXT];
TCHAR szExt [_MAX_EXT];
MySplitPath(szFilePath, NULL, NULL, szName, szExt);
lstrcat(szName, szExt);
return CString(szName);
}
// Remove the name part of a file path. Return just the drive and directory.
//
CString StripName(const TCHAR* szFilePath)
{
TCHAR szPath [_MAX_DRIVE + _MAX_DIR];
TCHAR szDir [_MAX_DIR];
MySplitPath(szFilePath, szPath, szDir, NULL, NULL);
lstrcat(szPath, szDir);
return CString(szPath);
}
// Remove the name part of a file path. Return just the drive and directory, and name.
//
CString StripExtension(const TCHAR* szFilePath)
{
TCHAR szPath [_MAX_DRIVE + _MAX_DIR + _MAX_FNAME];
TCHAR szDir [_MAX_DIR];
TCHAR szName [_MAX_FNAME];
MySplitPath(szFilePath, szPath, szDir, szName, NULL);
lstrcat(szPath, szDir);
lstrcat(szPath, szName);
return CString(szPath);
}
// Get the extension of a file path.
//
CString GetExtension(const TCHAR* szFilePath)
{
TCHAR szExt [_MAX_EXT];
MySplitPath(szFilePath, NULL, NULL, NULL, szExt);
return CString(szExt);
}
// Get the name of a file path.
//
CString GetName(const TCHAR* szFilePath)
{
TCHAR szName [_MAX_FNAME];
MySplitPath(szFilePath, NULL, NULL, szName, NULL);
return CString(szName);
}
// Return the path to szFilePath relative to szDirectory. (E.g. if szFilePath
// is "C:\FOO\BAR\CDR.CAR" and szDirectory is "C:\FOO", then "BAR\CDR.CAR"
// is returned. This will never use '..'; if szFilePath is not in szDirectory
// or a sub-directory, then szFilePath is returned unchanged.
// If szDirectory is NULL, the current directory is used.
//
CString GetRelativeName(const TCHAR* szFilePath, const TCHAR* szDirectory /*= NULL*/)
{
CString strDir;
if ( szDirectory == NULL )
{
GetCurrentDirectory(_MAX_DIR, strDir.GetBuffer(_MAX_DIR) );
strDir.ReleaseBuffer();
strDir += (TCHAR)TEXT('\\');
szDirectory = strDir;
}
int cchDirectory = lstrlen(szDirectory);
if (_tcsnicmp(szFilePath, szDirectory, cchDirectory) == 0)
return CString(szFilePath + cchDirectory);
else if ( szFilePath[0] == szDirectory[0] &&
szFilePath[1] == TEXT(':') && szDirectory[1] == TEXT(':') ) // Remove drive if same.
return CString(szFilePath + 2);
return CString(szFilePath);
}
#if 0
/////////////////////////////////////////////////////////////////////////////
// Taken from windows system code. Contains intl support.
/* Returns: 0x00 if no matching char,
* 0x01 if menmonic char is matching,
* 0x80 if first char is matching
*/
#define CH_PREFIX TEXT('&')
int FindMnemChar(LPTSTR lpstr, TCHAR ch, BOOL fFirst, BOOL fPrefix)
{
register TCHAR chc;
register TCHAR chnext;
TCHAR chFirst;
while (*lpstr == TEXT(' '))
lpstr++;
ch = (TCHAR)(DWORD)CharLower((LPTSTR)(DWORD)(BYTE)ch);
chFirst = (TCHAR)(DWORD)CharLower((LPTSTR)(DWORD)(BYTE)(*lpstr));
#ifndef DBCS
if (fPrefix)
{
while (chc = *lpstr++)
{
if (((TCHAR)(DWORD)CharLower((LPTSTR)(DWORD)(BYTE)chc) == CH_PREFIX))
{
chnext = (TCHAR)(DWORD)CharLower((LPTSTR)(DWORD)(BYTE)*lpstr);
if (chnext == CH_PREFIX)
lpstr++;
else
if (chnext == ch)
return(0x01);
else
{
return(0x00);
}
}
}
}
#else
#ifdef JAPAN
if (fPrefix)
{
WORD wvch, xvkey;
// get OEM-dependent virtual key code
if ((wvch = VkKeyScan((BYTE)ch)) != -1)
wvch &= 0xFF;
while (chc = *lpstr++)
{
if (IsDBCSLeadByte(chc))
{
lpstr++;
continue;
}
if ( (chc == CH_PREFIX) ||
(KanjiMenuMode == KMM_ENGLISH && chc == CH_ENGLISHPREFIX) ||
(KanjiMenuMode == KMM_KANJI && chc == CH_KANJIPREFIX))
{
chnext = (TCHAR)CharLower((LPTSTR)(DWORD)(BYTE)*lpstr);
if (chnext == CH_PREFIX)
lpstr++;
else
if (chnext == ch)
return(0x01);
// Compare should be done with virtual key in Kanji menu mode
// in order to accept Digit shortcut key and save English
// windows applications!
xvkey = VkKeyScan((BYTE)chnext);
if (xvkey != 0xFFFF && (xvkey & 0xFF) == wvch)
return(0x01);
else
return(0x00);
}
}
}
#else
#ifdef KOREA
if( fPrefix )
{
WORD wHangeul;
register TCHAR chnext2;
if( KanjiMenuMode != KMM_KANJI )
{
while (chc = *lpstr++)
{
if (IsDBCSLeadByte(chc))
{
lpstr++;
continue;
}
if ( (chc == CH_PREFIX) ||
(KanjiMenuMode == KMM_ENGLISH && chc == CH_ENGLISHPREFIX))
{
chnext = (TCHAR)CharLower((LPTSTR)(DWORD)(BYTE)*lpstr);
if (chnext == CH_PREFIX)
lpstr++;
else
if (chnext == ch)
return(0x01);
else
return(0x00);
}
}
}
else
{ //KMM_KANJI
if( ch >= TEXT('0') && ch <= TEXT('9') )
wHangeul = 0x0a3b0 | ( (BYTE)ch & 0x0f ); // junja 0 + offset
else
if( ch >= TEXT('a') && ch <= TEXT('z') )
wHangeul = TranslateHangeul( ch );
else
return(0x00);
while (chc = *lpstr++)
{
if (IsDBCSLeadByte(chc))
{
lpstr++;
continue;
}
if(chc == CH_KANJIPREFIX)
{
chnext = *lpstr++;
chnext2 = *lpstr;
if(chnext == HIBYTE(wHangeul) && chnext2 == LOBYTE(wHangeul))
return(0x01);
else
return(0x00);
}
}
}
#endif //KOREA
#endif //JAPAN
#endif //!DBCS
if (fFirst && (ch == chFirst))
return(0x80);
return(0x00);
}
#endif