Leaked source code of windows server 2003
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//+--------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1994 - 1996.
//
// File: wizpage.cxx
//
// Contents: Implementation of wizard page class
//
// History: 4-30-1997 DavidMun Created
//
//---------------------------------------------------------------------------
#include "..\pch\headers.hxx"
#pragma hdrstop
#include "myheaders.hxx"
//
// CWizPage statics
//
ULONG CWizPage::s_cInstances;
HFONT CWizPage::s_hfBigBold;
HFONT CWizPage::s_hfBold;
#ifdef WIZARD95
SDIBitmap CWizPage::s_Splash;
#endif // WIZARD95
#define DEFAULT_LARGE_FONT_SIZE 14
//===========================================================================
//
// CPropPage overrides
//
//===========================================================================
//+--------------------------------------------------------------------------
//
// Member: CWizPage::CWizPage
//
// Synopsis: ctor
//
// Arguments: [szTmplt] - dialog resource for page
// [ptszJobPath] - full path to task object
//
// History: 4-30-1997 DavidMun Created
//
//---------------------------------------------------------------------------
CWizPage::CWizPage(
LPCTSTR szTmplt,
LPTSTR ptszJobPath):
#ifdef WIZARD95
_fActiveWindow(FALSE),
_fPaletteChanged(FALSE),
#endif // WIZARD95
CPropPage(szTmplt, ptszJobPath)
{
InterlockedIncrement((LPLONG) &s_cInstances);
}
//+--------------------------------------------------------------------------
//
// Member: CWizPage::~CWizPage
//
// Synopsis: dtor
//
// History: 4-30-1997 DavidMun Created
//
//---------------------------------------------------------------------------
CWizPage::~CWizPage()
{
//
// If no more instances of this class are active, destroy the gdi stuff
// stored in statics.
//
if (!InterlockedDecrement((LPLONG) &s_cInstances))
{
if (s_hfBigBold)
{
VERIFY(DeleteObject(s_hfBigBold));
s_hfBigBold = NULL;
}
if (s_hfBold)
{
VERIFY(DeleteObject(s_hfBold));
s_hfBold = NULL;
}
#ifdef WIZARD95
_DeleteSplashBitmap();
#endif // WIZARD95
}
}
//+--------------------------------------------------------------------------
//
// Member: CWizPage::DlgProc
//
// Synopsis: Overrides the CPropPage dialog proc for special message
// handling, delegates to it for everything else.
//
// Arguments: standard windows
//
// Returns: standard windows
//
// History: 5-20-1997 DavidMun Created
//
//---------------------------------------------------------------------------
LRESULT
CWizPage::DlgProc(
UINT uMsg,
WPARAM wParam,
LPARAM lParam)
{
LRESULT lr;
if (uMsg == WM_INITDIALOG)
{
m_fInInit = TRUE;
_BaseInit();
//
// Create the gdi objects stored in statics if this is the first
// instance of the class to receive an initdialog.
//
#ifdef WIZARD95
if (!s_Splash.hbmp)
{
_CreateSplashBitmap();
}
#endif // WIZARD95
if(!s_hfBigBold && !s_hfBold)
{
_CreateHeaderFonts();
}
//
// Set the fonts of header strings to bold and large bold
//
_InitHeaderFonts();
//
// Let derived class init the dialog controls
//
lr = _OnInitDialog(lParam);
m_fInInit = FALSE;
}
else if (uMsg == g_msgFindWizard)
{
//
// If this wizard is already focused on the tasks folder indicated
// by lParam, come to the foreground and indicate to the caller
// that another wizard would be a duplicate and shouldn't be opened.
//
if (!lstrcmpi((LPCTSTR) lParam, GetTaskPath()))
{
SetForegroundWindow(GetParent(Hwnd()));
SetWindowLongPtr(Hwnd(), DWLP_MSGRESULT, g_msgFindWizard);
}
lr = TRUE; // indicate we processed message
}
#ifdef WIZARD95
else if (uMsg == WM_PALETTECHANGED && (HWND) wParam != Hwnd())
{
_fPaletteChanged = TRUE;
InvalidateRect(Hwnd(), NULL, FALSE);
}
else if (uMsg == WM_ACTIVATE)
{
_fActiveWindow = LOWORD(wParam) != WA_INACTIVE;
InvalidateRect(Hwnd(), NULL, FALSE);
}
#endif // WIZARD95
else if (uMsg == WM_PAINT)
{
#ifdef WIZARD95
//
// If some other window changed the palette, restore it before
// painting, unless we're merely a background app.
//
if (_fActiveWindow)
{
HDC hdc = GetDC(Hwnd());
if (!SelectPalette(hdc, s_Splash.hPalette, FALSE))
{
DEBUG_OUT_LASTERROR;
}
if (RealizePalette(hdc) == GDI_ERROR)
{
DEBUG_OUT_LASTERROR;
}
_fPaletteChanged = FALSE;
ReleaseDC(Hwnd(), hdc);
}
#endif // WIZARD95
//
// Do any custom painting required (the splash bitmap on first and
// last pages). Returning FALSE will allow the dialog manager to
// process the paint as well.
//
lr = _OnPaint((HDC) wParam);
}
else
{
//
// The message has no special meaning for the wizard; delegate
// to base class so it can dispatch to the appropriate member.
//
lr = CPropPage::DlgProc(uMsg, wParam, lParam);
}
return lr;
}
//+--------------------------------------------------------------------------
//
// Member: CWizPage::_OnNotify
//
// Synopsis: Aggregate the CPropPage WM_NOTIFY handler to provide
// wizard-specific dispatching.
//
// Arguments: standard windows
//
// Returns: standard windows
//
// History: 5-20-1997 DavidMun Created
//
//---------------------------------------------------------------------------
LRESULT
CWizPage::_OnNotify(
UINT uMessage,
UINT uParam,
LPARAM lParam)
{
// TRACE_METHOD(CWizPage, _OnNotify);
LPNMHDR pnmhdr = (LPNMHDR) lParam;
switch (pnmhdr->code)
{
//
// Delegate to base class for notification processing it provides
// which we don't need to override.
//
default:
return CPropPage::_OnNotify(uMessage, uParam, lParam);
//
// Support notifications unique to wizard pages
//
case PSN_WIZBACK:
return _OnWizBack();
case PSN_WIZNEXT:
return _OnWizNext();
case PSN_WIZFINISH:
return _OnWizFinish();
}
return TRUE;
}
//===========================================================================
//
// CWizPage methods
//
//===========================================================================
//+--------------------------------------------------------------------------
//
// Member: CWizPage::_OnPaint
//
// Synopsis: Return FALSE to let dialog manager handle painting.
//
// History: 5-22-1997 DavidMun Created
//
//---------------------------------------------------------------------------
LRESULT
CWizPage::_OnPaint(
HDC hdc)
{
#ifdef WIZARD95
DEBUG_ASSERT(!hdc);
_PaintSplashBitmap();
#endif // WIZARD95
return FALSE;
}
//+--------------------------------------------------------------------------
//
// Member: CWizPage::_OnWizBack
//
// Synopsis: Default handling of PSN_WIZBACK
//
// History: 5-20-1997 DavidMun Created
//
//---------------------------------------------------------------------------
LRESULT
CWizPage::_OnWizBack()
{
TRACE_METHOD(CWizPage, _OnWizBack);
SetWindowLongPtr(Hwnd(), DWLP_MSGRESULT, 0);
return 0;
}
//+--------------------------------------------------------------------------
//
// Member: CWizPage::_OnWizNext
//
// Synopsis: Default handling of PSN_WIZNEXT
//
// History: 5-20-1997 DavidMun Created
//
//---------------------------------------------------------------------------
LRESULT
CWizPage::_OnWizNext()
{
TRACE_METHOD(CWizPage, _OnWizNext);
SetWindowLongPtr(Hwnd(), DWLP_MSGRESULT, 0);
return 0;
}
//+--------------------------------------------------------------------------
//
// Member: CWizPage::_OnWizFinish
//
// Synopsis: Default handling of PSN_WIZFINISH
//
// History: 5-20-1997 DavidMun Created
//
//---------------------------------------------------------------------------
LRESULT
CWizPage::_OnWizFinish()
{
TRACE_METHOD(CWizPage, _OnWizFinish);
SetWindowLongPtr(Hwnd(), DWLP_MSGRESULT, 0);
return 0;
}
//+--------------------------------------------------------------------------
//
// Member: CWizPage::_InitHeaderFonts
//
// Synopsis: Set the font for controls having the BOLDTITLE identifiers.
//
// History: 5-20-1997 DavidMun Created
//
//---------------------------------------------------------------------------
VOID
CWizPage::_InitHeaderFonts()
{
_SetControlFont(s_hfBigBold, IDC_BIGBOLDTITLE);
_SetControlFont(s_hfBold, IDC_BOLDTITLE);
}
//+--------------------------------------------------------------------------
//
// Member: CWizPage::_SetControlFont
//
// Synopsis: Set the font of control [nId] to [hFont]
//
// Arguments: [hFont] - font to use
// [nId] - id of control to set
//
// History: 5-20-1997 DavidMun Created
//
// Notes: Does nothing if control not found or font handle is NULL.
//
//---------------------------------------------------------------------------
VOID
CWizPage::_SetControlFont(
HFONT hFont,
INT nId)
{
if (hFont)
{
HWND hwndControl = _hCtrl(nId);
if (hwndControl)
{
SetWindowFont(hwndControl, hFont, TRUE);
}
}
}
//+--------------------------------------------------------------------------
//
// Member: CWizPage::_CreateHeaderFonts
//
// Synopsis: Create fonts used in header title static text controls.
//
// History: 5-20-1997 DavidMun Stolen from sample wizard97 code
//
//---------------------------------------------------------------------------
VOID
CWizPage::_CreateHeaderFonts()
{
DEBUG_ASSERT(!s_hfBigBold);
DEBUG_ASSERT(!s_hfBold);
//
// Create the fonts we need based on the dialog font
//
NONCLIENTMETRICS ncm;
SecureZeroMemory(&ncm, sizeof(ncm));
ncm.cbSize = sizeof(ncm);
VERIFY(SystemParametersInfo(SPI_GETNONCLIENTMETRICS, 0, &ncm, 0));
LOGFONT lfBigBold = ncm.lfMessageFont;
LOGFONT lfBold = ncm.lfMessageFont;
//
// Create Big Bold Font and Bold Font
//
lfBigBold.lfWeight = FW_BOLD;
lfBold.lfWeight = FW_BOLD;
TCHAR tszFontSizeString[24];
ULONG ulFontSize;
//
// Load size and name from resources, since these may change
// from locale to locale based on the size of the system font, etc.
//
BOOL fOk;
fOk = LoadString(g_hInstance,
IDS_LARGEFONTNAME,
lfBigBold.lfFaceName,
LF_FACESIZE);
if (!fOk)
{
DEBUG_OUT_LASTERROR;
StringCchCopy(lfBigBold.lfFaceName, LF_FACESIZE, TEXT("MS Shell Dlg"));
}
fOk = LoadString(g_hInstance,
IDS_LARGEFONTSIZE,
tszFontSizeString,
ARRAYLEN(tszFontSizeString));
if (fOk)
{
ulFontSize = _tcstoul(tszFontSizeString, NULL, 10);
}
if (!fOk || !ulFontSize)
{
DEBUG_OUT_LASTERROR;
ulFontSize = DEFAULT_LARGE_FONT_SIZE;
}
HDC hdc = GetDC(Hwnd());
if (hdc)
{
//
// See KB article PSS ID Number Q74299,
// "Calculating The Logical Height and Point Size of a Font"
//
lfBigBold.lfHeight = -MulDiv((INT) ulFontSize,
GetDeviceCaps(hdc, LOGPIXELSY),
72);
s_hfBigBold = CreateFontIndirect(&lfBigBold);
if (!s_hfBigBold)
{
DEBUG_OUT_LASTERROR;
}
s_hfBold = CreateFontIndirect(&lfBold);
if (!s_hfBold)
{
DEBUG_OUT_LASTERROR;
}
ReleaseDC(Hwnd(), hdc);
}
else
{
DEBUG_OUT_LASTERROR;
}
}
#ifdef WIZARD95
//+--------------------------------------------------------------------------
//
// Member: CWizPage::_CreateSplashBitmap
//
// Synopsis: Initialize a memory dc with the bitmap used on the first
// and last pages.
//
// History: 5-22-1997 DavidMun Created
//
//---------------------------------------------------------------------------
VOID
CWizPage::_CreateSplashBitmap()
{
TRACE_METHOD(CWizPage, _CreateSplashBitmap);
DEBUG_ASSERT(!s_Splash.hbmp);
DEBUG_ASSERT(!s_Splash.hdcMem);
DEBUG_ASSERT(!s_Splash.hPalette);
HDC hdc = NULL;
HRESULT hr = E_FAIL;
do
{
s_Splash.hbmp = LoadResourceBitmap(IDB_SPLASH, &s_Splash.hPalette);
if (!s_Splash.hbmp)
{
break;
}
BITMAP bm;
if (!GetObject(s_Splash.hbmp, sizeof(bm), (LPTSTR)&bm))
{
DEBUG_OUT_LASTERROR;
break;
}
s_Splash.Dimensions.cx = bm.bmWidth;
s_Splash.Dimensions.cy = bm.bmHeight;
hdc = GetDC(Hwnd());
if (!hdc)
{
DEBUG_OUT_LASTERROR;
break;
}
s_Splash.hdcMem = CreateCompatibleDC(hdc);
if (!s_Splash.hdcMem)
{
DEBUG_OUT_LASTERROR;
break;
}
if (!SelectPalette(hdc, s_Splash.hPalette, FALSE))
{
DEBUG_OUT_LASTERROR;
break;
}
UINT uiResult = RealizePalette(hdc);
if (uiResult == GDI_ERROR)
{
DEBUG_OUT_LASTERROR;
break;
}
if (!SelectPalette(s_Splash.hdcMem, s_Splash.hPalette, FALSE))
{
DEBUG_OUT_LASTERROR;
break;
}
uiResult = RealizePalette(s_Splash.hdcMem);
if (uiResult == GDI_ERROR)
{
DEBUG_OUT_LASTERROR;
break;
}
s_Splash.hbmpOld = (HBITMAP) SelectObject(s_Splash.hdcMem,
s_Splash.hbmp);
hr = S_OK;
} while (0);
if (hdc)
{
ReleaseDC(Hwnd(), hdc);
}
if (FAILED(hr))
{
_DeleteSplashBitmap();
}
}
//+--------------------------------------------------------------------------
//
// Member: CWizPage::_DeleteSplashBitmap
//
// Synopsis: Free all gdi objects associated with splash bitmap.
//
// History: 5-22-1997 DavidMun Created
//
// Notes: Properly destroys a partly-initialized struct. If the
// struct is already empty, does nothing.
//
//---------------------------------------------------------------------------
VOID
CWizPage::_DeleteSplashBitmap()
{
TRACE_METHOD(CWizPage, _DeleteSplashBitmap);
if (s_Splash.hdcMem)
{
DEBUG_ASSERT(s_Splash.hbmp);
DEBUG_ASSERT(s_Splash.hPalette);
if (s_Splash.hbmpOld)
{
HBITMAP hbmp;
hbmp = (HBITMAP) SelectObject(s_Splash.hdcMem, s_Splash.hbmpOld);
DEBUG_ASSERT(hbmp == s_Splash.hbmp);
s_Splash.hbmpOld = NULL;
VERIFY(DeleteObject(s_Splash.hbmp));
s_Splash.hbmp = NULL;
}
VERIFY(DeleteDC(s_Splash.hdcMem));
VERIFY(DeleteObject(s_Splash.hPalette));
s_Splash.hdcMem = NULL;
s_Splash.hPalette = NULL;
}
else if (s_Splash.hbmp)
{
DEBUG_ASSERT(s_Splash.hPalette);
VERIFY(DeleteObject(s_Splash.hbmp));
VERIFY(DeleteObject(s_Splash.hPalette));
s_Splash.hbmp = NULL;
s_Splash.hPalette = NULL;
}
else
{
DEBUG_ASSERT(!s_Splash.hbmp);
DEBUG_ASSERT(!s_Splash.hPalette);
}
}
//+--------------------------------------------------------------------------
//
// Member: CWizPage::_PaintSplashBitmap
//
// Synopsis: Paint the splash bitmap onto the dialog window.
//
// History: 5-22-1997 DavidMun Created
//
//---------------------------------------------------------------------------
VOID
CWizPage::_PaintSplashBitmap()
{
TRACE_METHOD(CWizPage, _PaintSplashBitmap);
HDC hdc = NULL;
do
{
//
// If an error prevented us from loading & processing the bitmap,
// there's nothing to paint.
//
if (!s_Splash.hdcMem)
{
break;
}
//
// Get the device context of this page's dialog, then blast the
// bitmap onto it.
//
hdc = GetDC(Hwnd());
if (!hdc)
{
DEBUG_OUT_LASTERROR;
break;
}
BOOL fOk = BitBlt(hdc,
0,
0,
s_Splash.Dimensions.cx,
s_Splash.Dimensions.cy,
s_Splash.hdcMem,
0,
0,
SRCCOPY);
if (!fOk)
{
DEBUG_OUT_LASTERROR;
break;
}
//
// Mark the area containing the bitmap as a valid rect, so the
// dialog manager won't paint over it.
//
RECT rc =
{
0,
0,
s_Splash.Dimensions.cx,
s_Splash.Dimensions.cy
};
ValidateRect(Hwnd(), &rc);
} while (0);
if (hdc)
{
ReleaseDC(Hwnd(), hdc);
}
}
#endif // WIZARD95
//+--------------------------------------------------------------------------
//
// Member: CWizPage::_CreatePage
//
// Synopsis: Helper function that optionally loads title and subtitle
// strings, sets appropriate flags, then creates the page.
//
// Arguments: [idsHeaderTitle] - resource id of title, or 0 for none
// [idsHeaderSubTitle] - resource id of subtitle, or 0 for none
// [phPSP] - filled with handle returned by
// CreatePropertySheetPage
//
// Modifies: *[phPSP]
//
// History: 5-01-1997 DavidMun Created
//
//---------------------------------------------------------------------------
VOID
CWizPage::_CreatePage(
ULONG idsHeaderTitle,
ULONG idsHeaderSubTitle,
HPROPSHEETPAGE *phPSP)
{
TCHAR tszHeaderTitle[MAX_TITLE_CCH];
TCHAR tszHeaderSubTitle[MAX_TITLE_CCH];
HRESULT hr;
#ifdef WIZARD97
if (idsHeaderTitle)
{
hr = LoadStr(idsHeaderTitle, tszHeaderTitle, MAX_TITLE_CCH);
if (SUCCEEDED(hr))
{
m_psp.dwFlags |= PSP_USEHEADERTITLE;
}
}
if (idsHeaderSubTitle)
{
hr = LoadStr(idsHeaderSubTitle, tszHeaderSubTitle, MAX_TITLE_CCH);
if (SUCCEEDED(hr))
{
m_psp.dwFlags |= PSP_USEHEADERSUBTITLE;
}
}
m_psp.pszHeaderTitle = tszHeaderTitle;
m_psp.pszHeaderSubTitle = tszHeaderSubTitle;
#endif // WIZARD97
*phPSP = CreatePropertySheetPage(&m_psp);
if (!*phPSP)
{
DEBUG_OUT_LASTERROR;
}
}