Leaked source code of windows server 2003
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// formatba.cpp : implementation file
//
// Copyright (C) 1992-1999 Microsoft Corporation
// All rights reserved.
#include "stdafx.h"
#include "wordpad.h"
#include "wordpdoc.h"
#include "wordpvw.h"
#include "formatba.h"
#include "strings.h"
#ifdef _DEBUG
#undef THIS_FILE
static char BASED_CODE THIS_FILE[] = __FILE__;
#endif
// reserve lobyte for charset
#define PRINTER_FONT 0x0100
#define TT_FONT 0x0200
#define DEVICE_FONT 0x0400
#define PS_OPENTYPE_FONT 0x800
#define TT_OPENTYPE_FONT 0x1000
#define TYPE1_FONT 0x2000
#define BMW 16
#define BMH 15
static int nFontSizes[] =
{8, 9, 10, 11, 12, 14, 16, 18, 20, 22, 24, 26, 28, 36, 48, 72};
int CLocalComboBox::m_nFontHeight = 0;
class CFontDesc
{
public:
CFontDesc(LPCTSTR lpszName, LPCTSTR lpszScript, BYTE nCharSet,
BYTE nPitchAndFamily, DWORD dwFlags);
CString m_strName;
CString m_strScript;
BYTE m_nCharSet;
BYTE m_nPitchAndFamily;
DWORD m_dwFlags;
};
CFontDesc::CFontDesc(LPCTSTR lpszName, LPCTSTR lpszScript, BYTE nCharSet,
BYTE nPitchAndFamily, DWORD dwFlags)
{
m_strName = lpszName;
m_strScript = lpszScript;
m_nCharSet = nCharSet;
m_nPitchAndFamily = nPitchAndFamily;
m_dwFlags = dwFlags;
}
BEGIN_MESSAGE_MAP(CFormatBar, CToolBar)
//{{AFX_MSG_MAP(CFormatBar)
ON_WM_CREATE()
ON_WM_DESTROY()
//}}AFX_MSG_MAP
ON_CBN_DROPDOWN(IDC_FONTSIZE, OnFontSizeDropDown)
ON_CBN_DROPDOWN(IDC_SCRIPT, OnScriptDropDown)
ON_CBN_KILLFOCUS(IDC_FONTNAME, OnFontNameKillFocus)
ON_CBN_KILLFOCUS(IDC_FONTSIZE, OnFontSizeKillFocus)
ON_CBN_KILLFOCUS(IDC_SCRIPT, OnScriptKillFocus)
ON_CBN_SETFOCUS(IDC_FONTNAME, OnComboSetFocus)
ON_CBN_SETFOCUS(IDC_FONTSIZE, OnComboSetFocus)
ON_CBN_SETFOCUS(IDC_SCRIPT, OnComboSetFocus)
ON_CBN_CLOSEUP(IDC_FONTNAME, OnComboCloseUp)
ON_CBN_CLOSEUP(IDC_FONTSIZE, OnComboCloseUp)
ON_CBN_CLOSEUP(IDC_SCRIPT, OnComboCloseUp)
ON_REGISTERED_MESSAGE(CWordPadApp::m_nPrinterChangedMsg, OnPrinterChanged)
// Global help commands
END_MESSAGE_MAP()
static CSize GetBaseUnits(CFont* pFont)
{
ASSERT(pFont != NULL);
ASSERT(pFont->GetSafeHandle() != NULL);
pFont = theApp.m_dcScreen.SelectObject(pFont);
TEXTMETRIC tm;
VERIFY(theApp.m_dcScreen.GetTextMetrics(&tm));
theApp.m_dcScreen.SelectObject(pFont);
return CSize(tm.tmAveCharWidth, tm.tmHeight);
}
CFormatBar::CFormatBar()
{
CFont fnt;
fnt.Attach(GetStockObject(theApp.m_nDefFont));
m_szBaseUnits = GetBaseUnits(&fnt);
CLocalComboBox::m_nFontHeight = m_szBaseUnits.cy;
}
void CFormatBar::OnUpdateCmdUI(CFrameWnd* pTarget, BOOL bDisableIfNoHndler)
{
CToolBar::OnUpdateCmdUI(pTarget, bDisableIfNoHndler);
// don't update combo boxes if any of them have the focus
if (!m_comboFontName.HasFocus()
&& !m_comboFontSize.HasFocus()
&& !m_comboScript.HasFocus())
{
SyncToView();
}
}
void CFormatBar::SyncToView()
{
USES_CONVERSION;
// get the current font from the view and update
CHARHDR fh;
CHARFORMAT& cf = fh.cf;
fh.hwndFrom = m_hWnd;
fh.idFrom = GetDlgCtrlID();
fh.code = FN_GETFORMAT;
VERIFY(GetOwner()->SendMessage(WM_NOTIFY, fh.idFrom, (LPARAM)&fh));
if (cf.dwMask & CFM_FACE)
m_comboFontName.SetTheText(cf.szFaceName, TRUE);
else
m_comboFontName.SetTheText(TEXT(""));
CString charsetname = TEXT("");
if (cf.dwMask & CFM_CHARSET)
{
for (int i = 0; i < m_comboFontName.m_arrayFontDesc.GetSize(); i++)
{
CFontDesc *pDesc = (CFontDesc *) m_comboFontName.m_arrayFontDesc[i];
if (pDesc->m_strName == cf.szFaceName
&& pDesc->m_nCharSet == cf.bCharSet)
{
charsetname = pDesc->m_strScript;
break;
}
}
}
m_comboScript.SetTheText(charsetname);
static bool init_script_history = true;
if (init_script_history && TEXT('\0') != charsetname[0])
{
OnScriptDropDown();
m_comboScript.PickScript();
init_script_history = false;
}
// SetTwipSize only updates if different
// -1 means selection is not a single point size
m_comboFontSize.SetTwipSize( (cf.dwMask & CFM_SIZE) ? cf.yHeight : -1);
}
BYTE CScriptComboBox::PickScript()
{
CString scriptname;
int scriptindex;
GetTheText(scriptname);
scriptindex = FindStringExact(-1, scriptname);
if (CB_ERR == scriptindex)
{
int i = m_history_index;
do
{
scriptindex = FindStringExact(-1, m_script_history[i]);
if (CB_ERR != scriptindex)
break;
i = (i + HistorySize - 1) % HistorySize;
}
while (i != m_history_index);
if (CB_ERR == scriptindex)
{
if (1 != GetCount())
{
SetCurSel(-1);
return DEFAULT_CHARSET;
}
scriptindex = 0;
}
SetCurSel(scriptindex);
GetTheText(scriptname);
}
if (m_script_history[m_history_index] != scriptname)
{
m_history_index = (m_history_index + 1) % HistorySize;
m_script_history[m_history_index] = scriptname;
}
return (BYTE) GetItemData(scriptindex);
}
void CFormatBar::OnFontSizeDropDown()
{
CString str;
m_comboFontName.GetTheText(str);
LPCTSTR lpszName = NULL;
BOOL bPrinterFont= FALSE;
int nIndex = m_comboFontName.FindStringExact(-1, str);
if (nIndex != CB_ERR)
{
CFontDesc* pDesc = (CFontDesc*)m_comboFontName.GetItemData(nIndex);
ASSERT(pDesc != NULL);
bPrinterFont = pDesc->m_dwFlags & PRINTER_FONT;
lpszName = pDesc->m_strName;
}
int nSize = m_comboFontSize.GetTwipSize();
if (nSize == -2) // error
{
AfxMessageBox(IDS_INVALID_NUMBER, MB_OK|MB_ICONINFORMATION);
nSize = m_comboFontSize.m_nTwipsLast;
}
else if ((nSize >= 0 && nSize < 20) || nSize > 32760)
{
AfxMessageBox(IDS_INVALID_FONTSIZE, MB_OK|MB_ICONINFORMATION);
nSize = m_comboFontSize.m_nTwipsLast;
}
if (bPrinterFont)
m_comboFontSize.EnumFontSizes(m_dcPrinter, lpszName);
else
m_comboFontSize.EnumFontSizes(theApp.m_dcScreen, lpszName);
m_comboFontSize.SetTwipSize(nSize);
}
void CFormatBar::OnScriptDropDown()
{
CString fontname;
CString scriptname;
m_comboFontName.GetTheText(fontname);
m_comboScript.GetTheText(scriptname);
m_comboScript.ResetContent();
m_comboScript.SetTheText(scriptname);
for (int i = 0; i < m_comboFontName.m_arrayFontDesc.GetSize(); i++)
{
CFontDesc* pDesc = (CFontDesc*)m_comboFontName.m_arrayFontDesc[i];
if (pDesc->m_strName == fontname)
{
// HACKHACK: GDI enumerates symbol type fonts multiple times.
// remove the duplicated charsets (ntbug:198753)
if (CB_ERR == m_comboScript.FindStringExact(-1, pDesc->m_strScript))
{
int nIndex = m_comboScript.AddString(pDesc->m_strScript);
m_comboScript.SetItemData(nIndex, pDesc->m_nCharSet);
}
}
}
}
void CFormatBar::OnComboCloseUp()
{
NotifyOwner(NM_RETURN);
}
void CFormatBar::OnComboSetFocus()
{
NotifyOwner(NM_SETFOCUS);
}
void CFormatBar::OnFontNameKillFocus()
{
USES_CONVERSION;
// get the current font from the view and update
NotifyOwner(NM_KILLFOCUS);
CCharFormat cf;
cf.szFaceName[0] = NULL;
// this will retrieve the font entered in the edit control
// it tries to match the font to something already present in the combo box
// this effectively ignores case of a font the user enters
// if a user enters arial, this will cause it to become Arial
CString str;
m_comboFontName.GetTheText(str); // returns "arial"
m_comboFontName.SetTheText(str); // selects "Arial"
m_comboFontName.GetTheText(str); // returns "Arial"
// if font name box is not empty
if (str[0] != NULL)
{
cf.dwMask = CFM_FACE;
int nIndex = m_comboFontName.FindStringExact(-1, str);
if (nIndex != CB_ERR)
{
CFontDesc* pDesc = (CFontDesc*)m_comboFontName.GetItemData(nIndex);
ASSERT(pDesc != NULL);
EVAL(StringCchCopy(cf.szFaceName, ARRAYSIZE(cf.szFaceName), pDesc->m_strName) == S_OK);
cf.bPitchAndFamily = pDesc->m_nPitchAndFamily;
}
else // unknown font
{
EVAL(StringCchCopy(cf.szFaceName, ARRAYSIZE(cf.szFaceName), str) == S_OK);
cf.bPitchAndFamily = DEFAULT_PITCH | FF_DONTCARE;
}
OnScriptDropDown();
cf.bCharSet = m_comboScript.PickScript();
cf.dwMask |= CFM_CHARSET;
SetCharFormat(cf);
}
}
void CFormatBar::OnFontSizeKillFocus()
{
NotifyOwner(NM_KILLFOCUS);
int nSize = m_comboFontSize.GetTwipSize();
if (nSize == -2)
{
AfxMessageBox(IDS_INVALID_NUMBER, MB_OK|MB_ICONINFORMATION);
nSize = m_comboFontSize.m_nTwipsLast;
}
else if ((nSize >= 0 && nSize < 20) || nSize > 32760)
{
AfxMessageBox(IDS_INVALID_FONTSIZE, MB_OK|MB_ICONINFORMATION);
nSize = m_comboFontSize.m_nTwipsLast;
}
else if (nSize > 0)
{
CCharFormat cf;
cf.dwMask = CFM_SIZE;
cf.yHeight = nSize;
SetCharFormat(cf);
}
}
void CFormatBar::OnScriptKillFocus()
{
NotifyOwner(NM_KILLFOCUS);
CString str;
m_comboScript.GetTheText(str);
m_comboScript.SetTheText(str);
m_comboScript.GetTheText(str);
if (str[0] != NULL)
{
CCharFormat cf;
cf.dwMask = CFM_CHARSET;
cf.bCharSet = m_comboScript.PickScript();
SetCharFormat(cf);
}
}
LONG CFormatBar::OnPrinterChanged(UINT, LONG)
{
theApp.CreatePrinterDC(m_dcPrinter);
m_comboFontName.EnumFontFamiliesEx(m_dcPrinter);
return 0;
}
int CFormatBar::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
if (CToolBar::OnCreate(lpCreateStruct) == -1)
return -1;
theApp.m_listPrinterNotify.AddTail(m_hWnd);
CRect rect(0,0, LF_FACESIZE*m_szBaseUnits.cx, 200);
if (!m_comboFontName.Create(WS_TABSTOP|WS_VISIBLE|WS_TABSTOP|
WS_VSCROLL|CBS_DROPDOWN|CBS_SORT|CBS_AUTOHSCROLL|CBS_HASSTRINGS|
CBS_OWNERDRAWFIXED, rect, this, IDC_FONTNAME))
{
TRACE0("Failed to create fontname combo-box\n");
return -1;
}
m_comboFontName.LimitText(LF_FACESIZE);
rect.SetRect(0, 0, 10*m_szBaseUnits.cx, 200);
if (!m_comboFontSize.Create(WS_TABSTOP|WS_VISIBLE|WS_TABSTOP|
WS_VSCROLL|CBS_DROPDOWN, rect, this, IDC_FONTSIZE))
{
TRACE0("Failed to create fontsize combo-box\n");
return -1;
}
rect.SetRect(0, 0, 3*LF_FACESIZE*m_szBaseUnits.cx/4, 200);
if (!m_comboScript.Create(WS_TABSTOP|WS_VISIBLE|WS_TABSTOP|
WS_VSCROLL|CBS_DROPDOWN|CBS_SORT|CBS_AUTOHSCROLL|CBS_HASSTRINGS,
rect, this, IDC_SCRIPT))
{
TRACE0("Failed to create script combo-box\n");
return -1;
}
m_comboFontSize.LimitText(4);
m_comboFontName.EnumFontFamiliesEx(m_dcPrinter);
return 0;
}
void CFormatBar::OnDestroy()
{
CToolBar::OnDestroy();
POSITION pos = theApp.m_listPrinterNotify.Find(m_hWnd);
ASSERT(pos != NULL);
theApp.m_listPrinterNotify.RemoveAt(pos);
}
void CFormatBar::PositionCombos()
{
CRect rect;
// make font name box same size as font size box
// this is necessary since font name box is owner draw
m_comboFontName.SetItemHeight(-1, m_comboFontSize.GetItemHeight(-1));
m_comboFontName.GetWindowRect(&rect);
int nHeight = rect.Height();
m_comboFontName.GetWindowRect(&rect);
SetButtonInfo(0, IDC_FONTNAME, TBBS_SEPARATOR, rect.Width());
GetItemRect(0, &rect); // FontName ComboBox
m_comboFontName.SetWindowPos(NULL, rect.left,
((rect.Height() - nHeight) / 2) + rect.top, 0, 0,
SWP_NOZORDER|SWP_NOSIZE|SWP_NOACTIVATE);
m_comboFontSize.GetWindowRect(&rect);
SetButtonInfo(2, IDC_FONTSIZE, TBBS_SEPARATOR, rect.Width());
GetItemRect(2, &rect); // FontSize ComboBox
m_comboFontSize.SetWindowPos(NULL, rect.left,
((rect.Height() - nHeight) / 2) + rect.top, 0, 0,
SWP_NOZORDER|SWP_NOSIZE|SWP_NOACTIVATE);
m_comboScript.GetWindowRect(&rect);
SetButtonInfo(4, IDC_SCRIPT, TBBS_SEPARATOR, rect.Width());
GetItemRect(4, &rect); // Script ComboBox
m_comboScript.SetWindowPos(NULL, rect.left,
((rect.Height() - nHeight) / 2) + rect.top, 0, 0,
SWP_NOZORDER|SWP_NOSIZE|SWP_NOACTIVATE);
}
/////////////////////////////////////////////////////////////////////////////
// CFontComboBox
BEGIN_MESSAGE_MAP(CFontComboBox, CLocalComboBox)
//{{AFX_MSG_MAP(CFontComboBox)
ON_WM_DESTROY()
//}}AFX_MSG_MAP
// Global help commands
END_MESSAGE_MAP()
CFontComboBox::CFontComboBox()
{
VERIFY(m_bmFontType.LoadBitmap(IDB_FONTTYPE));
}
void CFontComboBox::OnDestroy()
{
// destroy all the CFontDesc's
EmptyContents();
CLocalComboBox::OnDestroy();
}
void CFontComboBox::EmptyContents()
{
// destroy all the CFontDesc's
int nCount = GetCount();
for (int i=0;i<nCount;i++)
{
delete (CFontDesc*)GetItemData(i);
SetItemData(i, NULL);
}
}
void CFontComboBox::EnumFontFamiliesEx(CDC& dc, BYTE nCharSet)
{
CString str;
GetTheText(str);
EmptyContents();
ResetContent();
m_arrayFontDesc.RemoveAll();
LOGFONT lf;
memset(&lf, 0, sizeof(lf));
lf.lfCharSet = nCharSet;
if (dc.m_hDC != NULL)
{
::EnumFontFamiliesEx(dc.m_hDC, &lf,
(FONTENUMPROC) EnumFamPrinterCallBackEx, (LPARAM) this, NULL);
}
else
{
HDC hDC = theApp.m_dcScreen.m_hDC;
ASSERT(hDC != NULL);
::EnumFontFamiliesEx(hDC, &lf,
(FONTENUMPROC) EnumFamScreenCallBackEx, (LPARAM) this, NULL);
}
// Add the fonts to the dropdown. Don't add fonts that differ only by
// charset.
int nCount = (int)m_arrayFontDesc.GetSize();
for (int i = 0; i < nCount; i++)
{
CFontDesc *pDesc = (CFontDesc*) m_arrayFontDesc[i];
for (int j = i - 1; j >= 0; --j)
{
CFontDesc *otherfont = (CFontDesc*) m_arrayFontDesc[j];
if (pDesc->m_strName == otherfont->m_strName
&& pDesc->m_dwFlags == otherfont->m_dwFlags)
{
break;
}
}
if (j < 0)
{
int nIndex = AddString(pDesc->m_strName);
ASSERT(nIndex >= 0);
if (nIndex >= 0)
SetItemData(nIndex, (DWORD_PTR)pDesc);
}
}
SetTheText(str);
}
void CFontComboBox::AddFont(ENUMLOGFONT* pelf, DWORD dwType, LPCTSTR lpszScript)
{
LOGFONT& lf = pelf->elfLogFont;
if (lf.lfCharSet == MAC_CHARSET) // don't put in MAC fonts, commdlg doesn't either
return;
CFontDesc* pDesc = new CFontDesc(lf.lfFaceName, lpszScript,
lf.lfCharSet, lf.lfPitchAndFamily, dwType);
m_arrayFontDesc.Add(pDesc);
}
VOID vGetFontType(NEWTEXTMETRICEX* lpntm, int FontType, DWORD* pdwData)
{
DWORD ntmFlags = lpntm->ntmTm.ntmFlags;
if (ntmFlags & NTM_PS_OPENTYPE)
{
*pdwData |= PS_OPENTYPE_FONT;
}
else if (ntmFlags & NTM_TYPE1)
{
*pdwData |= TYPE1_FONT;
}
else
{
if (FontType & TRUETYPE_FONTTYPE)
{
if (ntmFlags & NTM_TT_OPENTYPE)
*pdwData |= TT_OPENTYPE_FONT;
else
*pdwData |= TT_FONT;
}
else if (FontType & DEVICE_FONTTYPE)
*pdwData |= DEVICE_FONT;
}
}
BOOL CALLBACK AFX_EXPORT CFontComboBox::EnumFamScreenCallBackEx(ENUMLOGFONTEX* pelf,
NEWTEXTMETRICEX* lpntm, int FontType, LPVOID pThis)
{
// don't put in non-printer raster fonts
if (FontType & RASTER_FONTTYPE)
return 1;
DWORD dwData = 0;
vGetFontType(lpntm, FontType, &dwData);
((CFontComboBox *)pThis)->AddFont((ENUMLOGFONT*)pelf, dwData, CString(pelf->elfScript));
return 1;
}
BOOL CALLBACK AFX_EXPORT CFontComboBox::EnumFamPrinterCallBackEx(ENUMLOGFONTEX* pelf,
NEWTEXTMETRICEX* lpntm, int FontType, LPVOID pThis)
{
DWORD dwData = PRINTER_FONT;
vGetFontType(lpntm, FontType, &dwData);
((CFontComboBox *)pThis)->AddFont((ENUMLOGFONT*)pelf, dwData, CString(pelf->elfScript));
return 1;
}
void CFontComboBox::DrawItem(LPDRAWITEMSTRUCT lpDIS)
{
ASSERT(lpDIS->CtlType == ODT_COMBOBOX);
int id = (int)(WORD)lpDIS->itemID;
CDC *pDC = CDC::FromHandle(lpDIS->hDC);
CRect rc(lpDIS->rcItem);
if (lpDIS->itemState & ODS_FOCUS)
pDC->DrawFocusRect(rc);
int nIndexDC = pDC->SaveDC();
CBrush brushFill;
if (lpDIS->itemState & ODS_SELECTED)
{
brushFill.CreateSolidBrush(::GetSysColor(COLOR_HIGHLIGHT));
pDC->SetTextColor(::GetSysColor(COLOR_HIGHLIGHTTEXT));
}
else
brushFill.CreateSolidBrush(pDC->GetBkColor());
pDC->SetBkMode(TRANSPARENT);
pDC->FillRect(rc, &brushFill);
CFontDesc* pDesc= (CFontDesc*)lpDIS->itemData;
ASSERT(pDesc != NULL);
DWORD dwData = pDesc->m_dwFlags;
if (dwData) // truetype or device flag set by SetItemData
{
CDC dc;
dc.CreateCompatibleDC(pDC);
CBitmap* pBitmap = dc.SelectObject(&m_bmFontType);
int xSrc;
if (dwData & TT_FONT)
xSrc = 1;
else if (dwData & TT_OPENTYPE_FONT)
xSrc = 2;
else if (dwData & PS_OPENTYPE_FONT)
xSrc = 3;
else if (dwData & TYPE1_FONT)
xSrc = 4;
else // DEVICE_FONT
xSrc = 0;
pDC->BitBlt(rc.left, rc.top, BMW, BMH, &dc, xSrc*BMW, 0, SRCAND);
dc.SelectObject(pBitmap);
}
rc.left += BMW + 6;
CString strText;
GetLBText(id, strText);
pDC->TextOut(rc.left,rc.top,strText,strText.GetLength());
pDC->RestoreDC(nIndexDC);
}
void CFontComboBox::MeasureItem(LPMEASUREITEMSTRUCT lpMIS)
{
ASSERT(lpMIS->CtlType == ODT_COMBOBOX);
ASSERT(m_nFontHeight > 0);
CRect rc;
GetWindowRect(&rc);
lpMIS->itemWidth = rc.Width();
lpMIS->itemHeight = max(BMH, m_nFontHeight);
}
int CFontComboBox::CompareItem(LPCOMPAREITEMSTRUCT lpCIS)
{
ASSERT(lpCIS->CtlType == ODT_COMBOBOX);
int id1 = (int)(WORD)lpCIS->itemID1;
int id2 = (int)(WORD)lpCIS->itemID2;
CString str1,str2;
if (id1 == -1)
return -1;
if (id2 == -1)
return 1;
GetLBText(id1, str1);
GetLBText(id2, str2);
return str1.Collate(str2);
}
/////////////////////////////////////////////////////////////////////////////
// CSizeComboBox
CSizeComboBox::CSizeComboBox()
{
m_nTwipsLast = 0;
}
void CSizeComboBox::EnumFontSizes(CDC& dc, LPCTSTR pFontName)
{
ResetContent();
if (pFontName == NULL)
return;
if (pFontName[0] == NULL)
return;
ASSERT(dc.m_hDC != NULL);
m_nLogVert = dc.GetDeviceCaps(LOGPIXELSY);
::EnumFontFamilies(dc.m_hDC, pFontName,
(FONTENUMPROC) EnumSizeCallBack, (LPARAM) this);
}
void CSizeComboBox::TwipsToPointString(LPTSTR lpszBuf, int cchBuf, int nTwips)
{
ASSERT(lpszBuf != NULL);
lpszBuf[0] = NULL;
if (nTwips >= 0)
{
// round to nearest half point
nTwips = (nTwips+5)/10;
if ((nTwips%2) == 0)
StringCchPrintf(lpszBuf, cchBuf, _T("%ld"), nTwips/2);
else
StringCchPrintf(lpszBuf, cchBuf, _T("%.1f"), (float)nTwips/2.F);
}
}
void CSizeComboBox::SetTwipSize(int nTwips)
{
if (nTwips != GetTwipSize())
{
TCHAR buf[10];
TwipsToPointString(buf, ARRAYSIZE(buf), nTwips);
SetTheText(buf, TRUE);
}
m_nTwipsLast = nTwips;
}
int CSizeComboBox::GetTwipSize()
{
// return values
// -2 -- error
// -1 -- edit box empty
// >=0 -- font size in twips
CString str;
GetTheText(str);
LPCTSTR lpszText = str;
while (*lpszText == ' ' || *lpszText == '\t')
lpszText++;
if (lpszText[0] == NULL)
return -1; // no text in control
double d = _tcstod(lpszText, (LPTSTR*)&lpszText);
while (*lpszText == ' ' || *lpszText == '\t')
lpszText++;
if (*lpszText != NULL)
return -2; // not terminated properly
return (d<0.) ? 0 : (int)(d*20.);
}
BOOL CALLBACK AFX_EXPORT CSizeComboBox::EnumSizeCallBack(LOGFONT FAR* /*lplf*/,
LPNEWTEXTMETRIC lpntm, int FontType, LPVOID lpv)
{
CSizeComboBox* pThis = (CSizeComboBox*)lpv;
ASSERT(pThis != NULL);
TCHAR buf[12];
if (
(FontType & TRUETYPE_FONTTYPE) ||
!( (FontType & TRUETYPE_FONTTYPE) || (FontType & RASTER_FONTTYPE) )
) // if truetype or vector font
{
// this occurs when there is a truetype and nontruetype version of a font
if (pThis->GetCount() != 0)
pThis->ResetContent();
for (int i = 0; i < 16; i++)
{
EVAL(SUCCEEDED(StringCchPrintf(buf, ARRAYSIZE(buf), _T("%d"), nFontSizes[i]))); // Always enough room
pThis->AddString(buf);
}
return FALSE; // don't call me again
}
// calc character height in pixels
pThis->InsertSize(MulDiv(lpntm->tmHeight-lpntm->tmInternalLeading,
1440, pThis->m_nLogVert));
return TRUE; // call me again
}
void CSizeComboBox::InsertSize(int nSize)
{
ASSERT(nSize > 0);
DWORD dwSize = (DWORD)nSize;
TCHAR buf[10];
TwipsToPointString(buf, ARRAYSIZE(buf), nSize);
if (FindStringExact(-1, buf) == CB_ERR)
{
int nIndex = -1;
int nPos = 0;
DWORD_PTR dw;
while ((dw = GetItemData(nPos)) != CB_ERR)
{
if (dw > dwSize)
{
nIndex = nPos;
break;
}
nPos++;
}
nIndex = InsertString(nIndex, buf);
ASSERT(nIndex != CB_ERR);
if (nIndex != CB_ERR)
SetItemData(nIndex, dwSize);
}
}
/////////////////////////////////////////////////////////////////////////////
// CLocalComboBox
BEGIN_MESSAGE_MAP(CLocalComboBox, CComboBox)
//{{AFX_MSG_MAP(CLocalComboBox)
ON_WM_CREATE()
//}}AFX_MSG_MAP
// Global help commands
END_MESSAGE_MAP()
void CLocalComboBox::GetTheText(CString& str)
{
int nIndex = GetCurSel();
if (nIndex == CB_ERR)
GetWindowText(str);
else
GetLBText(nIndex, str);
}
void CLocalComboBox::SetTheText(LPCTSTR lpszText,BOOL bMatchExact)
{
int idx = (bMatchExact) ? FindStringExact(-1,lpszText) :
FindString(-1, lpszText);
SetCurSel( (idx==CB_ERR) ? -1 : idx);
if (idx == CB_ERR)
SetWindowText(lpszText);
}
BOOL CLocalComboBox::LimitText(int nMaxChars)
{
BOOL b = CComboBox::LimitText(nMaxChars);
if (b)
m_nLimitText = nMaxChars;
return b;
}
int CLocalComboBox::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
if (CComboBox::OnCreate(lpCreateStruct) == -1)
return -1;
SendMessage(WM_SETFONT, (WPARAM)GetStockObject(theApp.m_nDefFont));
return 0;
}
BOOL CLocalComboBox::PreTranslateMessage(MSG* pMsg)
{
if (pMsg->message == WM_KEYDOWN)
{
CFormatBar* pBar = (CFormatBar*)GetParent();
switch (pMsg->wParam)
{
case VK_ESCAPE:
pBar->SyncToView();
pBar->NotifyOwner(NM_RETURN);
return TRUE;
case VK_RETURN:
pBar->NotifyOwner(NM_RETURN);
return TRUE;
case VK_TAB:
pBar->GetNextDlgTabItem(this)->SetFocus();
return TRUE;
case VK_UP:
case VK_DOWN:
if ((GetKeyState(VK_MENU) >= 0) && (GetKeyState(VK_CONTROL) >=0) &&
!GetDroppedState())
{
ShowDropDown();
return TRUE;
}
}
}
//
// Unless we catch the 'CatchKeys' keys here, MFC will wander around
// trying to figure out what to do with them and eventually realize
// that they are accellerators for the frame window and dispatch them
// there. We want them sent to the combobox's edit controls.
//
if (WM_KEYDOWN == pMsg->message || WM_SYSKEYDOWN == pMsg->message)
{
static const struct
{
int modifier;
WPARAM virtkey;
}
CatchKeys[] =
{
{VK_CONTROL, 'C'}, // control-C copy
{VK_CONTROL, 'V'}, // control-V paste
{VK_MENU, VK_BACK}, // alt-back undo
{VK_SHIFT, VK_DELETE}, // shift-delete cut
{VK_CONTROL, VK_INSERT}, // control-insert copy
{VK_SHIFT, VK_INSERT}, // shift-insert paste
{VK_CONTROL, 'X'}, // control-X cut
{VK_CONTROL, 'Z'} // control-Z undo
};
for (int i = 0; i < sizeof(CatchKeys)/sizeof(CatchKeys[0]); i++)
{
if (pMsg->wParam == CatchKeys[i].virtkey)
{
if (GetKeyState(CatchKeys[i].modifier) < 0)
{
::TranslateMessage(pMsg);
::DispatchMessage(pMsg);
return TRUE;
}
}
}
}
return CComboBox::PreTranslateMessage(pMsg);
}
void CFormatBar::NotifyOwner(UINT nCode)
{
NMHDR nm;
nm.hwndFrom = m_hWnd;
nm.idFrom = GetDlgCtrlID();
nm.code = nCode;
GetOwner()->SendMessage(WM_NOTIFY, nm.idFrom, (LPARAM)&nm);
}
void CFormatBar::SetCharFormat(CCharFormat& cf)
{
CHARHDR fnm;
fnm.hwndFrom = m_hWnd;
fnm.idFrom = GetDlgCtrlID();
fnm.code = FN_SETFORMAT;
fnm.cf = cf;
VERIFY(GetOwner()->SendMessage(WM_NOTIFY, fnm.idFrom, (LPARAM)&fnm));
}