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windows-xp/Source/XPSP1/NT/enduser/stuff/hhctrl/window.cpp

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// Copyright (C) Microsoft Corporation 1996-1997, All Rights reserved.
#include "header.h"
#ifdef _DEBUG
#undef THIS_FILE
static const char THIS_FILE[] = __FILE__;
#endif
#include <commctrl.h>
#include "strtable.h"
#include "hha_strtable.h"
#include "contain.h"
#include "resource.h"
#include "secwin.h"
#include "state.h"
#include "highlite.h"
// CSizebar class for registration.
#include "sizebar.h"
// Custom NavPane for registration
#include "custmtab.h"
#include "unicode.h"
#define COMPILE_MULTIMON_STUBS
#include "multimon.h"
#define DEFAULT_WINDOW_WIDTH 300
static const char txtNavWind[] = ">navwin";
#define WS_EX_LAYOUTRTL 0x00400000L // Right to left mirroring
// Forward Reference
void GetMonitorRect(HWND hwnd, LPRECT prc, BOOL fWork) ;
void multiMonitorRectFromRect(/*in*/ RECT rcScreenCoords, /*out*/ LPRECT prc, /*in*/ BOOL fWork) ;
void multiMonitorRectFromPoint(/*in*/ POINT ptScreenCoords, /*out*/ LPRECT prc, /*in*/ BOOL fWork) ;
/***************************************************************************
FUNCTION: CreateHelpWindow
PURPOSE: Create a help window
PARAMETERS:
pszType -- (optional) specifies a window type to create. Type must
have been specified previously
hwndCaller -- this will be the parent of the window
RETURNS: HWND on success, NULL on failure
COMMENTS:
Reallocates pahwnd if more slots are necessary.
MODIFICATION DATES:
26-Feb-1996 [ralphw]
***************************************************************************/
CHHWinType* CreateHelpWindow(PCSTR pszType, LPCTSTR pszFile, HWND hwndCaller, CHmData* phmData)
{
static BOOL fRegistered = FALSE;
ASSERT(pahwnd != NULL);
// Generate a default window type, if a name isn't given.
char szName[20];
const char* pType = pszType ;
if (IsEmptyString(pszType))
{
static int iWindowNum = 1;
// If the caller didn't specify a window type, then create a name
// based off the current window number.
wsprintf(szName, "win%u", iWindowNum++);
pType = szName ;
}
// When we create a Window slot, we need the filename. However, if we are looking up a URL
// we might not have a filename. So, pass NULL. This is a HOLE.
CHHWinType* phh = FindOrCreateWindowSlot(pType, pszFile ? pszFile
: phmData ? phmData->GetCompiledFile()
: NULL);
if (! phh )
return NULL;
phh->m_phmData = phmData;
if (phmData)
{
// Count references
phmData->AddRef();
//--- Get the windows state.
WINDOW_STATE wstate;
ZERO_STRUCTURE(wstate);
CState* pstate = phmData->m_pTitleCollection->GetState();
if (SUCCEEDED(pstate->Open(pType, STGM_READ)))
{
DWORD cbRead;
pstate->Read(&wstate.cbStruct, sizeof(int), &cbRead);
//
// This looks funky until you understand that CState only supports atomic reads and writes from the beginning
// of the stream. i.e. It does not maintain a file position pointer. <mc>
//
if ( wstate.cbStruct )
pstate->Read(&wstate, wstate.cbStruct, &cbRead);
pstate->Close();
}
if (wstate.cbStruct)
{
if (IsRectEmpty(phh->GetWinRect()) || phh->IsProperty(HHWIN_PROP_USER_POS))
{
phh->fNotExpanded = wstate.fNotExpanded;
CopyRect(&phh->rcWindowPos, &wstate.rcPos);
phh->iNavWidth = wstate.iNavWidth;
phh->rcNav.left = 0;
phh->rcNav.right = wstate.iNavWidth;
}
if (phh->m_phmData->m_pTitleCollection->m_pSearchHighlight)
phh->m_phmData->m_pTitleCollection->m_pSearchHighlight->EnableHighlight(wstate.fHighlight);
phh->m_fLockSize = wstate.fLockSize;
phh->m_fNoToolBarText = wstate.fNoToolBarText;
phh->curNavType = wstate.curNavType;
}
}
if (phh->idNotify) {
HHN_NOTIFY hhcomp;
hhcomp.hdr.hwndFrom = NULL;
hhcomp.hdr.idFrom = phh->idNotify;
hhcomp.hdr.code = HHN_WINDOW_CREATE;
hhcomp.pszUrl = pType;
if (IsWindow(hwndCaller))
{
SendMessage(hwndCaller, WM_NOTIFY, phh->idNotify, (LPARAM) &hhcomp);
}
}
// If this window type hasn't been defined, do so now
if (!phh->GetTypeName())
{
phh->SetTypeName(pType);
phh->SetDisplayState(SW_SHOW);
}
if (!fRegistered) {
RegisterOurWindow();
fRegistered = TRUE;
}
phh->hwndCaller = hwndCaller;
if (IsRectEmpty(phh->GetWinRect()))
{
// Create a default window relative to the display size
RECT rcScreen ;
GetScreenResolution(hwndCaller, &rcScreen);
phh->SetTop(rcScreen.top + 10);
phh->SetBottom(phh->GetTop() + 450);
if (phh->IsExpandedNavPane() && !phh->iNavWidth)
phh->iNavWidth = DEFAULT_NAV_WIDTH;
// If navwidth specified, balance navigation pane width and HTML pane width
phh->SetLeft(rcScreen.right - DEFAULT_WINDOW_WIDTH - 5 -
(phh->IsProperty(HHWIN_PROP_TRI_PANE) ? phh->iNavWidth : 0));
phh->SetRight(phh->GetLeft() + DEFAULT_WINDOW_WIDTH +
(phh->IsProperty(HHWIN_PROP_TRI_PANE) ? phh->iNavWidth : 0));
}
if (!(phh->dwStyles & WS_CHILD))
CheckWindowPosition(phh->GetWinRect(), TRUE); // Multimon support
/*
* The help author has the option of adding their own extended and
* standard window styles. In addition, they can shut off all the
* extended and normal styles that we would normally use, and just
* use their own styles. In addition, they can specify all the
* standard styles, but with no title bar.
*/
phh->hwndHelp =
CreateWindowEx(
phh->GetExStyles() | (phh->IsProperty(HHWIN_PROP_NODEF_EXSTYLES) ?
0 : WS_EX_APPWINDOW | ((phh->IsProperty(HHWIN_PROP_ONTOP) ?
WS_EX_TOPMOST : 0))),
txtHtmlHelpWindowClass, NULL,
phh->GetStyles() | WS_CLIPCHILDREN,
phh->GetLeft(), phh->GetTop(), phh->GetWidth(), phh->GetHeight(),
hwndCaller, NULL,
// REVIEW: Should we use the caller's hinstance instead?
_Module.GetModuleInstance(), NULL);
#ifdef _DEBUG
ULONG err = GetLastError() ;
#endif
if (!IsValidWindow(*phh)) {
OOM(); // BUGBUG: bogus error message if hwndCaller is NULL
return NULL;
}
// This next section of code turns of the Win98/Win2K WS_EX_LAYOUTRTL (mirroring)
// style in the event it is turned on (inherited from the parent window).
//
// Get the extended window styles
//
long lExStyles = GetWindowLongA(phh->hwndHelp, GWL_EXSTYLE);
// Check if mirroring is turned on
//
if(lExStyles & WS_EX_LAYOUTRTL)
{
// turn off the mirroring bit
//
lExStyles ^= WS_EX_LAYOUTRTL;
SetWindowLongA(phh->hwndHelp, GWL_EXSTYLE, lExStyles) ;
// This is to update layout in the client area
// InvalidateRect(hWnd, NULL, TRUE) ;
}
SendMessage(phh->hwndHelp, WM_SETFONT, (WPARAM)_Resource.GetAccessableUIFont(), 0);
HMENU hmenu = GetSystemMenu(*phh, FALSE);
AppendMenu(hmenu, MF_SEPARATOR, (UINT) -1, NULL);
// before adding the jump runl to the system menu check if NoRun is set for this system Bug 7819
if (NoRun() == FALSE)
HxAppendMenu(hmenu, MF_STRING, ID_JUMP_URL, GetStringResource(IDS_JUMP_URL));
if (IsHelpAuthor(hwndCaller)) {
#if 0 // bug 5449
PCSTR psz = pGetDllStringResource(IDS_WINDOW_INFO);
if (!IsEmptyString(psz))
HxAppendMenu(hmenu, MF_ENABLED | MF_STRING, IDM_WINDOW_INFO,
pGetDllStringResource(IDS_WINDOW_INFO));
#endif
HxAppendMenu(hmenu, MF_ENABLED | MF_STRING, IDM_VERSION,
pGetDllStringResource(IDS_HHCTRL_VERSION));
}
else
HxAppendMenu(hmenu, MF_ENABLED | MF_STRING, IDM_VERSION, GetStringResource(IDS_ABOUT));
#ifdef _DEBUG
HxAppendMenu(hmenu, MF_STRING, ID_VIEW_MEMORY, "Debug: memory usage...");
HxAppendMenu(hmenu, MF_STRING, ID_DEBUG_BREAK, "Debug: call DebugBreak()");
#endif
// Load MSDN's Menu.
if (phh->IsProperty(HHWIN_PROP_MENU))
{
HMENU hMenu = LoadMenu(_Module.GetResourceInstance(), MAKEINTRESOURCE(HH_MENU)) ;
ASSERT(hMenu) ;
BOOL b = SetMenu(phh->hwndHelp, hMenu) ;
ASSERT(b) ;
}
if (phh->IsProperty(HHWIN_PROP_TRI_PANE) ||
phh->IsProperty(HHWIN_PROP_NAV_ONLY_WIN)) {
if (phh->IsProperty(HHWIN_PROP_NOTB_TEXT))
phh->m_fNoToolBarText = TRUE;
if (!phh->IsProperty(HHWIN_PROP_NO_TOOLBAR))
{
TBBUTTON abtn[MAX_TB_BUTTONS];
ClearMemory(abtn, sizeof(abtn));
int cButtons = 0 ;
cButtons = phh->CreateToolBar(abtn);
if ( cButtons <= 0)
{
// No Toolbar buttons. Turn off this bit.
phh->fsWinProperties &= ~HHWIN_PROP_NO_TOOLBAR ;
}
else
{
phh->hwndToolBar = CreateWindow("ToolbarWindow32", NULL, WS_CHILD | TBSTYLE_FLAT |
TBSTYLE_TOOLTIPS | TBSTYLE_EX_DRAWDDARROWS | CCS_NORESIZE |
CCS_NOPARENTALIGN | TBSTYLE_WRAPABLE |
(phh->IsProperty(HHWIN_PROP_MENU) ? 0 : CCS_NODIVIDER) |
(phh->m_fNoToolBarText ? 0 : TBSTYLE_WRAPABLE),
0, 0, 100, 30, *phh, (HMENU)ID_TOOLBAR,
_Module.GetModuleInstance(), NULL);
if (! phh->hwndToolBar )
return NULL;
SendMessage(phh->hwndToolBar, TB_SETBITMAPSIZE, 0, (LPARAM)MAKELONG(TB_BMP_CX,TB_BMP_CY));
SendMessage(phh->hwndToolBar, TB_SETBITMAPSIZE, 0, (LPARAM)MAKELONG(TB_BTN_CX,TB_BTN_CY));
SendMessage(phh->hwndToolBar, TB_BUTTONSTRUCTSIZE, sizeof(TBBUTTON), (LPARAM)0);
SendMessage(phh->hwndToolBar, TB_ADDBUTTONS, cButtons, (LPARAM)abtn);
SendMessage(phh->hwndToolBar, WM_SETFONT, (WPARAM)_Resource.GetAccessableUIFont(), 0);
phh->m_hImageListGray = ImageList_LoadImage(_Module.GetResourceInstance(),
MAKEINTRESOURCE(IDB_TOOLBAR16G),
TB_BMP_CX, 0, RGB(255,0,255), IMAGE_BITMAP, 0);
SendMessage(phh->hwndToolBar, TB_SETIMAGELIST, 0, (LPARAM)(HIMAGELIST) phh->m_hImageListGray);
phh->m_hImageList = ImageList_LoadImage(_Module.GetResourceInstance(), MAKEINTRESOURCE(IDB_TOOLBAR16),
TB_BMP_CX, 0, RGB(255,0,255), IMAGE_BITMAP, 0);
SendMessage(phh->hwndToolBar, TB_SETHOTIMAGELIST, 0, (LPARAM)(HIMAGELIST) phh->m_hImageList);
if (!phh->m_fNoToolBarText)
{
for (int pos = 1; pos <= phh->m_ptblBtnStrings->CountStrings(); pos++)
{
char szBuf[256];
strcpy(szBuf, phh->m_ptblBtnStrings->GetPointer(pos));
szBuf[strlen(szBuf) + 1] = '\0'; // two terminating NULLs
// Under W2K, send wide string to control (support for MUI)
//
if(g_bWinNT5)
{
WCHAR wszBuf[256];
memset(wszBuf,0,sizeof(wszBuf));
// get codepage of default UI
//
DWORD cp = CodePageFromLCID(MAKELCID(_Module.m_Language.GetUiLanguage(),SORT_DEFAULT));
MultiByteToWideChar(cp , 0, szBuf, -1, wszBuf, sizeof(wszBuf) / 2);
SendMessageW(phh->hwndToolBar, TB_ADDSTRINGW, 0, (LPARAM) wszBuf);
}
else
SendMessage(phh->hwndToolBar, TB_ADDSTRING, 0, (LPARAM) szBuf);
}
TCHAR szScratch[MAX_PATH];
LoadString(_Module.GetResourceInstance(), IDS_WEB_TB_TEXTROWS, szScratch, sizeof(szScratch));
int nRows = Atoi(szScratch);
SendMessage(phh->hwndToolBar, TB_SETMAXTEXTROWS, nRows, 0);
/*
* Since we changed the window after we created it, we need to
* force a recalculation which we do by changing the size of the
* window ever so slightly. This causes the toolbar to
* recalculate itself to be the exact size.
*/
phh->WrapTB();
}
}
}
phh->CalcHtmlPaneRect();
if (phh->IsProperty(HHWIN_PROP_NAV_ONLY_WIN)) {
phh->CreateOrShowNavPane();
ShowWindow(*phh, phh->GetShowState());
}
else
phh->CreateOrShowHTMLPane();
}
if (IsValidWindow(*phh) ) {
if (!phh->IsProperty(HHWIN_PROP_NAV_ONLY_WIN))
{
phh->m_pCIExpContainer = new CContainer;
HRESULT hr;
BOOL bInstallEventSink = (BOOL)strcmp(phh->pszType, txtPrintWindow+1);
if (IsValidWindow(phh->hwndHTML)) {
hr = phh->m_pCIExpContainer->Create(phh->hwndHTML, &phh->rcHTML, bInstallEventSink);
}
else {
RECT rc;
phh->GetClientRect(&rc);
hr = phh->m_pCIExpContainer->Create(*phh, &rc, bInstallEventSink);
}
if (!SUCCEEDED(hr)) {
DEBUG_ReportOleError(hr);
DestroyWindow(*phh);
return NULL;
}
}
if (phh->IsExpandedNavPane() && phh->AnyValidNavPane()) {
phh->fNotExpanded = TRUE;
BOOL fSaveLoack = phh->m_fLockSize;
phh->m_fLockSize = TRUE;
phh->ToggleExpansion(false);
phh->m_fLockSize = fSaveLoack;
}
/*
* 30-Sep-1996 [ralphw] For some reason, specifying the caption
* when the window is created, doesn't work. So, we use
* SetWindowText to specify the caption.
*/
// Set the window title (figure out which string is displayable)
//
// Rules:
//
// if (TitleLanguage = DefaultSystemLocale)
// Display title string from CHM
//
// else
//
// if(Satellite DLL language == DefaultSystemLocale)
// Display default title from Satellite DLL
//
// else
// Display "HTML Help"
//
LANGID langidTitle = 0xFEFE;
LANGID langidSystem = LANGIDFROMLCID(GetSystemDefaultLCID());
LANGID langidUI = _Module.m_Language.GetUiLanguage();
if(phh->m_phmData && phh->m_phmData->GetInfo())
langidTitle = LANGIDFROMLCID((phh->m_phmData->GetInfo())->GetLanguage());
if(langidTitle == langidSystem || PRIMARYLANGID(langidTitle) == LANG_ENGLISH )
{
if (phh->GetCaption())
SetWindowText(*phh, phh->GetCaption());
else
if (phh->m_phmData && phh->m_phmData->GetDefaultCaption())
SetWindowText(*phh, phh->m_phmData->GetDefaultCaption());
else
SetWindowText(*phh, "HTML Help");
}
else
{
if(langidUI == langidSystem)
{
CStr cszDefaultCaption = GetStringResource(IDS_HTML_HELP);
SetWindowText(*phh, cszDefaultCaption);
}
else
SetWindowText(*phh, "HTML Help");
}
ShowWindow(*phh, phh->GetShowState());
if (IsValidWindow(phh->hwndToolBar))
ShowWindow(phh->hwndToolBar, phh->GetShowState());
if (IsValidWindow(phh->hwndHTML))
ShowWindow(phh->hwndHTML, phh->GetShowState());
if (phh->IsExpandedNavPane() && IsValidWindow(phh->hwndNavigation))
ShowWindow(phh->hwndNavigation, phh->GetShowState());
if ( phh->IsProperty(HHWIN_PROP_MENU) && phmData && phmData->m_sysflags.fDoSS )
{
HMENU hMenuMain, hMenuSub;
hMenuMain = GetMenu(phh->hwndHelp);
hMenuSub = GetSubMenu(hMenuMain, 2);
AppendMenu(hMenuSub, MF_SEPARATOR, 0, NULL);
HxAppendMenu(hMenuSub, MF_STRING, HHM_DEFINE_SUBSET, GetStringResource(IDS_DEFINE_SUBSET));
}
#ifdef _DEBUG
if (phh->IsProperty(HHWIN_PROP_TRI_PANE) && phh->IsProperty(HHWIN_PROP_TAB_HISTORY))
phh->CreateHistoryTab(); // start tracking history immediately
#endif
#if 0
27-Sep-1996 [ralphw] Never returns the window...
HWND hwndIE = (HWND) phh->m_pCIExpContainer->m_pWebBrowserApp->GetHwnd();
if (IsValidWindow(hwndIE)) {
char szClass[256];
GetClassName(hwndIE, szClass, sizeof(szClass));
DWORD dwStyle = GetWindowLong(hwndIE, GWL_STYLE);
DWORD dwexStyle = GetWindowLong(hwndIE, GWL_EXSTYLE);
}
#endif
}
return phh;
}
/***************************************************************************
FUNCTION: CheckWindowPosition
PURPOSE: Make certain the window doesn't cover any portion of the tray,
and that it has a certain minimum size.
PARAMETERS:
prc
fAllowShrinkage
RETURNS:
COMMENTS:
MODIFICATION DATES:
25-Feb-1996 [ralphw]
***************************************************************************/
// REVIEW: 25-Feb-1996 [ralphw] WinHelp did this, and set it to 200. I
// dropped it down to 16 -- enough to see the window, but without forcing
// it quite so large.
const int HELP_WIDTH_MINIMUM = 16;
const int HELP_HEIGHT_MINIMUM = 16;
void CheckWindowPosition(RECT* prc, BOOL fAllowShrinkage)
{
GetWorkArea(); // Multimon support
// Make certain we don't go off the edge of the screen
if (prc->left < g_rcWorkArea.left) {
int diff = g_rcWorkArea.left - prc->left;
prc->left = g_rcWorkArea.left;
prc->right += diff;
}
if (prc->top < g_rcWorkArea.top) {
int diff = g_rcWorkArea.top - prc->top;
prc->top = g_rcWorkArea.top;
prc->bottom += diff;
}
/*
* If the right side of the window is off the work area, move the
* window to the left. If we don't have enough room for the window when
* moved all the way to the left, then shrink the window (won't work for
* dialogs).
*/
if (prc->right > g_rcWorkArea.right) {
int diff = prc->right - g_rcWorkArea.right;
if (diff < prc->left) {
prc->left -= diff;
prc->right = g_rcWorkArea.right;
}
else if (fAllowShrinkage) {
diff -= prc->left;
prc->left = g_rcWorkArea.left;
prc->right -= diff;
}
else {// Can't shrink, so shove to the left side
prc->left = g_rcWorkArea.left;
}
}
// Same question about the bottom of the window being off the work area
if (prc->bottom > g_rcWorkArea.bottom) {
int diff = prc->bottom > g_rcWorkArea.bottom;
if (diff < prc->top) {
prc->top -= diff;
prc->bottom = g_rcWorkArea.bottom;
}
else if (fAllowShrinkage) {
diff -= prc->top;
prc->top = g_rcWorkArea.top;
prc->bottom -= diff;
}
else // Can't shrink, so shove to the top
prc->top = g_rcWorkArea.top;
}
// Force minimum window size
if (RECT_WIDTH(prc) < HELP_WIDTH_MINIMUM) {
prc->right = prc->left + HELP_WIDTH_MINIMUM;
// Width is now correct, but we could be off the work area. Start over
CheckWindowPosition(prc, fAllowShrinkage);
}
if (RECT_HEIGHT(prc) < HELP_HEIGHT_MINIMUM) {
prc->bottom = prc->top + HELP_HEIGHT_MINIMUM;
// Height is now correct, but we could be off the work area. Start over
CheckWindowPosition(prc, fAllowShrinkage);
}
}
void GetScreenResolution(HWND hWnd, RECT* prc /*out*/)
{
ASSERT(prc) ;
if (prc)
{
if (IsWindow(hWnd) )
{
// Use the hWnd to get the monitor.
GetMonitorRect(hWnd, prc, TRUE /*Get Work Area*/) ;
}
else
{
// hWnd isn't valid, use default monitor.
POINT pt;
pt.x=pt.y=0;
multiMonitorRectFromPoint(pt, prc, TRUE) ;
}
}
}
void GetWorkArea()
{
// Get the size of the entire virtual screen.
if (!g_cxScreen)
{
g_cxScreen = GetSystemMetrics(SM_CXVIRTUALSCREEN) ;
g_cyScreen = GetSystemMetrics(SM_CYVIRTUALSCREEN) ;
}
// The tray must be handled externally.
if (IsRectEmpty(&g_rcWorkArea))
{
g_rcWorkArea.left = GetSystemMetrics(SM_XVIRTUALSCREEN) ;
g_rcWorkArea.right = g_rcWorkArea.left + g_cxScreen ;
g_rcWorkArea.top = GetSystemMetrics(SM_YVIRTUALSCREEN) ;
g_rcWorkArea.bottom = g_rcWorkArea.top + g_cyScreen ;
}
}
void RegisterOurWindow()
{
WNDCLASS wc;
ZeroMemory(&wc, sizeof(WNDCLASS)); // clear all members
wc.lpfnWndProc = HelpWndProc;
wc.hInstance = _Module.GetModuleInstance();
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.lpszClassName = txtHtmlHelpWindowClass;
wc.hIcon = LoadIcon(_Module.GetResourceInstance(), "Icon!HTMLHelp");
wc.hbrBackground = (HBRUSH) COLOR_WINDOW;
VERIFY(RegisterClass(&wc));
ASSERT(sizeof(WNDCLASSA)==sizeof(WNDCLASSW)); //lazy hack - just use the wcA
wc.lpfnWndProc = ChildWndProc;
wc.lpszClassName = (LPCSTR)L"HH Child"; //txtHtmlHelpChildWindowClass;
wc.hbrBackground = (HBRUSH) COLOR_BTNSHADOW;
if (NULL == RegisterClassW((CONST WNDCLASSW *)&wc))
{
if (ERROR_CALL_NOT_IMPLEMENTED == GetLastError())
{
wc.lpszClassName = txtHtmlHelpChildWindowClass;
VERIFY(RegisterClass(&wc));
}
}
// Register the window class for the sizebar.
CSizeBar::RegisterWindowClass() ;
// Register the window class for the custom nav pane frame window.
CCustomNavPane::RegisterWindowClass() ;
}
CHHWinType* FindHHWindowIndex(HWND hwnd)
{
static int iLastWindow = 0;
static HWND hwndLastWindow = NULL;
if (pahwnd && hwndLastWindow == hwnd && IsValidWindow(hwnd))
return pahwnd[iLastWindow];
hwndLastWindow = hwnd;
while(IsValidWindow(hwnd)) {
char szClassName[50];
GetClassName(hwnd, szClassName, sizeof(szClassName));
if (strcmp(szClassName, txtHtmlHelpWindowClass) == 0)
break;
hwnd = GetParent(hwnd);
}
if (pahwnd && pahwnd[iLastWindow] && pahwnd[iLastWindow]->hwndHelp == hwnd)
return pahwnd[iLastWindow];
for (iLastWindow = 0; iLastWindow < g_cWindowSlots; iLastWindow++) {
if (pahwnd && pahwnd[iLastWindow] && pahwnd[iLastWindow]->hwndHelp == hwnd)
return pahwnd[iLastWindow];
}
iLastWindow = 0;
hwndLastWindow = NULL;
return NULL;
}
void doHHWindowJump(PCSTR pszUrl, HWND hwndChild)
{
CHHWinType* phh = FindHHWindowIndex(hwndChild);
if( !phh )
return;
if (phh->IsProperty(HHWIN_PROP_NAV_ONLY_WIN)) {
CStr cszUrl(pszUrl);
cszUrl += txtNavWind;
OnDisplayTopic(*phh, cszUrl, 0);
return;
}
ASSERT(phh->m_pCIExpContainer);
if (phh && phh->m_pCIExpContainer)
{
phh->m_pCIExpContainer->m_pWebBrowserApp->Navigate(pszUrl, NULL, NULL, NULL, NULL);
}
}
///////////////////////////////////////////////////////////////////////////////
//
// GetMonitorRect
//
// gets the "screen" or work area of the monitor that the passed
// window is on. this is used for apps that want to clip or
// center windows.
//
// the most common problem apps have with multimonitor systems is
// when they use GetSystemMetrics(SM_C?SCREEN) to center or clip a
// window to keep it on screen. If you do this on a multimonitor
// system the window we be restricted to the primary monitor.
//
// this is a example of how you used the new Win32 multimonitor APIs
// to do the same thing.
//
void GetMonitorRect(HWND hwnd, LPRECT prc, BOOL fWork)
{
// Preconditions
ASSERT(hwnd != NULL) ;
ASSERT(::IsWindow(hwnd)) ;
// Core
MONITORINFO mi;
mi.cbSize = sizeof(mi);
GetMonitorInfo(MonitorFromWindow(hwnd, MONITOR_DEFAULTTONEAREST), &mi);
if (fWork)
*prc = mi.rcWork;
else
*prc = mi.rcMonitor;
}
///////////////////////////////////////////////////////////////////////////////
//
// Get the rectangle of the monitor containing the rectangle.
//
void multiMonitorRectFromRect(/*in*/ RECT rcScreenCoords,
/*out*/ LPRECT prc,
/*in*/ BOOL fWork)
{
//Preconditions
ASSERT(prc != NULL) ;
// ASSERT(AfxIsValidAddress(prc, sizeof(RECT))) ;
// Get monitor which contains this rectangle.
HMONITOR hMonitor = ::MonitorFromRect(&rcScreenCoords, MONITOR_DEFAULTTOPRIMARY) ;
ASSERT(hMonitor != NULL) ;
// Prepare to get the information for this monitor.
MONITORINFO mi;
mi.cbSize = sizeof(mi);
// Get the rect of this monitor.
VERIFY(GetMonitorInfo(hMonitor, &mi));
// Return the rectangle.
if (fWork)
*prc = mi.rcWork;
else
*prc = mi.rcMonitor;
}
///////////////////////////////////////////////////////////////////////////////
//
// Get the rectangle of the monitor containing a point.
//
void multiMonitorRectFromPoint(/*in*/ POINT ptScreenCoords,
/*out*/ LPRECT prc,
/*in*/ BOOL fWork)
{
// precondition
ASSERT(prc != NULL) ;
// ASSERT(AfxIsValidAddress(prc, sizeof(RECT))) ;
// Get the monitor which contains the point.
HMONITOR hMonitor = MonitorFromPoint(ptScreenCoords, MONITOR_DEFAULTTOPRIMARY) ;
ASSERT(hMonitor != NULL) ;
// Prepare to get the information for this monitor.
MONITORINFO mi;
mi.cbSize = sizeof(mi);
// Get the rect of this monitor.
VERIFY(GetMonitorInfo(hMonitor, &mi));
// Return the rectangle.
if (fWork)
*prc = mi.rcWork;
else
*prc = mi.rcMonitor;
}