|
|
//#include "pch.h"
#pragma hdrstop
#include "sautil.h"
BOOL g_fNoWinHelp = FALSE;
VOID ContextHelp( IN const DWORD* padwMap, IN HWND hwndDlg, IN UINT unMsg, IN WPARAM wparam, IN LPARAM lparam) // Calls WinHelp to popup context sensitive help. 'PadwMap' is an array
// of control-ID help-ID pairs terminated with a 0,0 pair. 'UnMsg' is
// WM_HELP or WM_CONTEXTMENU indicating the message received requesting
// help. 'Wparam' and 'lparam' are the parameters of the message received
// requesting help.
//
{ HWND hwnd; UINT unType; TCHAR* pszHelpFile;
ASSERT( unMsg==WM_HELP || unMsg==WM_CONTEXTMENU );
// Don't try to do help if it won't work. See common\uiutil\ui.c.
//
{ extern BOOL g_fNoWinHelp; if (g_fNoWinHelp) { return; } }
if (unMsg == WM_HELP) { LPHELPINFO p = (LPHELPINFO )lparam;;
TRACE3( "ContextHelp(WM_HELP,t=%d,id=%d,h=$%08x)", p->iContextType, p->iCtrlId,p->hItemHandle );
if (p->iContextType != HELPINFO_WINDOW) { return; }
hwnd = (HWND)p->hItemHandle; ASSERT( hwnd ); unType = HELP_WM_HELP; } else { // Standard Win95 method that produces a one-item "What's This?" menu
// that user must click to get help.
//
TRACE1( "ContextHelp(WM_CONTEXTMENU,h=$%08x)", wparam );
hwnd = (HWND )wparam; unType = HELP_CONTEXTMENU; };
// if (fRouter)
// {
// pszHelpFile = g_pszRouterHelpFile;
// }
// else
// {
// pszHelpFile = g_pszHelpFile;
// }
pszHelpFile = PszFromId (g_hinstDll, SID_HelpFile ); if (pszHelpFile) { TRACE1( "WinHelp(%s)", pszHelpFile ); WinHelp( hwnd, pszHelpFile, unType, (ULONG_PTR ) padwMap );
Free0 (pszHelpFile); } }
VOID AddContextHelpButton( IN HWND hwnd )
/* Turns on title bar context help button in 'hwnd'.
** ** Dlgedit.exe doesn't currently support adding this style at dialog ** resource edit time. When that's fixed set DS_CONTEXTHELP in the dialog ** definition and remove this routine. */ { LONG lStyle;
if (g_fNoWinHelp) return;
lStyle = GetWindowLong( hwnd, GWL_EXSTYLE );
if (lStyle) SetWindowLong( hwnd, GWL_EXSTYLE, lStyle | WS_EX_CONTEXTHELP ); }
/* Extended arguments for the MsgDlgUtil routine. Designed so zeroed gives
** default behaviors. */
/*----------------------------------------------------------------------------
** Message popup **---------------------------------------------------------------------------- */
int MsgDlgUtil( IN HWND hwndOwner, IN DWORD dwMsg, IN OUT MSGARGS* pargs, IN HINSTANCE hInstance, IN DWORD dwTitle )
/* Pops up a message dialog centered on 'hwndOwner'. 'DwMsg' is the
** string resource ID of the message text. 'Pargs' is a extended ** formatting arguments or NULL if none. 'hInstance' is the ** application/module handle where string resources are located. ** 'DwTitle' is the string ID of the dialog title. ** ** Returns MessageBox-style code. */ { TCHAR* pszUnformatted; TCHAR* pszResult; TCHAR* pszNotFound; int nResult;
TRACE("MsgDlgUtil");
/* A placeholder for missing strings components.
*/ pszNotFound = TEXT("");
/* Build the message string.
*/ pszResult = pszNotFound;
if (pargs && pargs->pszString) { FormatMessage( FORMAT_MESSAGE_FROM_STRING + FORMAT_MESSAGE_ALLOCATE_BUFFER + FORMAT_MESSAGE_ARGUMENT_ARRAY, pargs->pszString, 0, 0, (LPTSTR )&pszResult, 1, (va_list* )pargs->apszArgs ); } else { pszUnformatted = PszFromId( hInstance, dwMsg );
if (pszUnformatted) { FormatMessage( FORMAT_MESSAGE_FROM_STRING + FORMAT_MESSAGE_ALLOCATE_BUFFER + FORMAT_MESSAGE_ARGUMENT_ARRAY, pszUnformatted, 0, 0, (LPTSTR )&pszResult, 1, (va_list* )((pargs) ? pargs->apszArgs : NULL) );
Free( pszUnformatted ); } }
if (!pargs || !pargs->fStringOutput) { TCHAR* pszTitle; DWORD dwFlags; HHOOK hhook;
if (pargs && pargs->dwFlags != 0) dwFlags = pargs->dwFlags; else dwFlags = MB_ICONINFORMATION + MB_OK + MB_SETFOREGROUND;
pszTitle = PszFromId( hInstance, dwTitle );
if (hwndOwner) { /* Install hook that will get the message box centered on the
** owner window. */ hhook = SetWindowsHookEx( WH_CALLWNDPROC, CenterDlgOnOwnerCallWndProc, hInstance, GetCurrentThreadId() ); } else hhook = NULL;
if (pszResult) { nResult = MessageBox( hwndOwner, pszResult, pszTitle, dwFlags ); }
if (hhook) UnhookWindowsHookEx( hhook );
Free0( pszTitle ); if (pszResult != pszNotFound) LocalFree( pszResult ); } else { /* Caller wants the string without doing the popup.
*/ pargs->pszOutput = (pszResult != pszNotFound) ? pszResult : NULL; nResult = IDOK; }
return nResult; }
VOID UnclipWindow( IN HWND hwnd )
/* Moves window 'hwnd' so any clipped parts are again visible on the
** screen. The window is moved only as far as necessary to achieve this. */ { RECT rect; INT dxScreen = GetSystemMetrics( SM_CXSCREEN ); INT dyScreen = GetSystemMetrics( SM_CYSCREEN );
GetWindowRect( hwnd, &rect );
if (rect.right > dxScreen) rect.left = dxScreen - (rect.right - rect.left);
if (rect.left < 0) rect.left = 0;
if (rect.bottom > dyScreen) rect.top = dyScreen - (rect.bottom - rect.top);
if (rect.top < 0) rect.top = 0;
SetWindowPos( hwnd, NULL, rect.left, rect.top, 0, 0, SWP_NOZORDER + SWP_NOSIZE ); } VOID CenterWindow( IN HWND hwnd, IN HWND hwndRef )
/* Center window 'hwnd' on window 'hwndRef' or if 'hwndRef' is NULL on
** screen. The window position is adjusted so that no parts are clipped ** by the edge of the screen, if necessary. If 'hwndRef' has been moved ** off-screen with SetOffDesktop, the original position is used. */ { RECT rectCur; LONG dxCur; LONG dyCur; RECT rectRef; LONG dxRef; LONG dyRef;
GetWindowRect( hwnd, &rectCur ); dxCur = rectCur.right - rectCur.left; dyCur = rectCur.bottom - rectCur.top;
if (hwndRef) { // if (!SetOffDesktop( hwndRef, SOD_GetOrgRect, &rectRef ))
GetWindowRect( hwndRef, &rectRef ); } else { rectRef.top = rectRef.left = 0; rectRef.right = GetSystemMetrics( SM_CXSCREEN ); rectRef.bottom = GetSystemMetrics( SM_CYSCREEN ); }
dxRef = rectRef.right - rectRef.left; dyRef = rectRef.bottom - rectRef.top;
rectCur.left = rectRef.left + ((dxRef - dxCur) / 2); rectCur.top = rectRef.top + ((dyRef - dyCur) / 2);
SetWindowPos( hwnd, NULL, rectCur.left, rectCur.top, 0, 0, SWP_NOZORDER + SWP_NOSIZE );
UnclipWindow( hwnd ); }
LRESULT CALLBACK CenterDlgOnOwnerCallWndProc( int code, WPARAM wparam, LPARAM lparam )
/* Standard Win32 CallWndProc hook callback that looks for the next dialog
** started and centers it on it's owner window. */ { /* Arrive here when any window procedure associated with our thread is
** called. */ if (!wparam) { CWPSTRUCT* p = (CWPSTRUCT* )lparam;
/* The message is from outside our process. Look for the MessageBox
** dialog initialization message and take that opportunity to center ** the dialog on it's owner's window. */ if (p->message == WM_INITDIALOG) CenterWindow( p->hwnd, GetParent( p->hwnd ) ); }
return 0; }
TCHAR* PszFromId( IN HINSTANCE hInstance, IN DWORD dwStringId )
/* String resource message loader routine.
** ** Returns the address of a heap block containing the string corresponding ** to string resource 'dwStringId' or NULL if error. It is caller's ** responsibility to Free the returned string. */ { HRSRC hrsrc; TCHAR* pszBuf; int cchBuf = 256; int cchGot;
for (;;) { pszBuf = (TCHAR*)Malloc( cchBuf * sizeof(TCHAR) ); if (!pszBuf) break;
/* LoadString wants to deal with character-counts rather than
** byte-counts...weird. Oh, and if you're thinking I could ** FindResource then SizeofResource to figure out the string size, be ** advised it doesn't work. From perusing the LoadString source, it ** appears the RT_STRING resource type requests a segment of 16 ** strings not an individual string. */ cchGot = LoadString( hInstance, (UINT )dwStringId, pszBuf, cchBuf );
if (cchGot < cchBuf - 1) { TCHAR *pszTemp = pszBuf;
/* Good, got the whole string. Reduce heap block to actual size
** needed. */ pszBuf = (TCHAR*)Realloc( pszBuf, (cchGot + 1) * sizeof(TCHAR));
if(NULL == pszBuf) { Free(pszTemp); }
break; }
/* Uh oh, LoadStringW filled the buffer entirely which could mean the
** string was truncated. Try again with a larger buffer to be sure it ** wasn't. */ Free( pszBuf ); cchBuf += 256; TRACE1("Grow string buf to %d",cchBuf); }
return pszBuf; }
TCHAR* GetText( IN HWND hwnd )
/* Returns heap block containing the text contents of the window 'hwnd' or
** NULL. It is caller's responsibility to Free the returned string. */ { INT cch; TCHAR* psz;
cch = GetWindowTextLength( hwnd ); psz = (TCHAR*)Malloc( (cch + 1) * sizeof(TCHAR) );
if (psz) { *psz = TEXT('\0'); GetWindowText( hwnd, psz, cch + 1 ); }
return psz; }
BOOL GetErrorText( DWORD dwError, TCHAR** ppszError )
/* Fill caller's '*ppszError' with the address of a LocalAlloc'ed heap
** block containing the error text associated with error 'dwError'. It is ** caller's responsibility to LocalFree the returned string. ** ** Returns true if successful, false otherwise. */ { #define MAXRASERRORLEN 256
TCHAR szBuf[ MAXRASERRORLEN + 1 ]; DWORD dwFlags; HANDLE hmodule; DWORD cch;
/* Don't panic if the RAS API address is not loaded. Caller may be trying
** and get an error up during LoadRas. */ // if ((Rasapi32DllLoaded() || RasRpcDllLoaded())
// && g_pRasGetErrorString
// && g_pRasGetErrorString(
if (RasGetErrorString ((UINT)dwError, (LPTSTR)szBuf, MAXRASERRORLEN) == 0) { /* It's a RAS error.
*/ *ppszError = (TCHAR*)LocalAlloc( LPTR, (lstrlen( szBuf ) + 1) * sizeof(TCHAR) ); if (!*ppszError) return FALSE;
lstrcpy( *ppszError, szBuf ); return TRUE; }
/* The rest adapted from BLT's LoadSystem routine.
*/ dwFlags = FORMAT_MESSAGE_ALLOCATE_BUFFER + FORMAT_MESSAGE_IGNORE_INSERTS;
if (dwError >= MIN_LANMAN_MESSAGE_ID && dwError <= MAX_LANMAN_MESSAGE_ID) { /* It's a net error.
*/ dwFlags += FORMAT_MESSAGE_FROM_HMODULE; hmodule = GetModuleHandle( TEXT("NETMSG.DLL") ); } else { /* It must be a system error.
*/ dwFlags += FORMAT_MESSAGE_FROM_SYSTEM; hmodule = NULL; }
cch = FormatMessage( dwFlags, hmodule, dwError, 0, (LPTSTR )ppszError, 1, NULL ); return (cch > 0); }
int ErrorDlgUtil( IN HWND hwndOwner, IN DWORD dwOperation, IN DWORD dwError, IN OUT ERRORARGS* pargs, IN HINSTANCE hInstance, IN DWORD dwTitle, IN DWORD dwFormat )
/* Pops up a modal error dialog centered on 'hwndOwner'. 'DwOperation' is
** the string resource ID of the string describing the operation underway ** when the error occurred. 'DwError' is the code of the system or RAS ** error that occurred. 'Pargs' is a extended formatting arguments or ** NULL if none. 'hInstance' is the application/module handle where ** string resources are located. 'DwTitle' is the string ID of the dialog ** title. 'DwFormat' is the string ID of the error format title. ** ** Returns MessageBox-style code. */ { TCHAR* pszUnformatted; TCHAR* pszOp; TCHAR szErrorNum[ 50 ]; TCHAR* pszError; TCHAR* pszResult; TCHAR* pszNotFound; int nResult;
TRACE("ErrorDlgUtil");
/* A placeholder for missing strings components.
*/ pszNotFound = TEXT("");
/* Build the error number string.
*/ if (dwError > 0x7FFFFFFF) wsprintf( szErrorNum, TEXT("0x%X"), dwError ); else wsprintf( szErrorNum, TEXT("%u"), dwError );
/* Build the error text string.
*/ if (!GetErrorText( dwError, &pszError )) pszError = pszNotFound;
/* Build the operation string.
*/ pszUnformatted = PszFromId( hInstance, dwOperation ); pszOp = pszNotFound;
if (pszUnformatted) { FormatMessage( FORMAT_MESSAGE_FROM_STRING + FORMAT_MESSAGE_ALLOCATE_BUFFER + FORMAT_MESSAGE_ARGUMENT_ARRAY, pszUnformatted, 0, 0, (LPTSTR )&pszOp, 1, (va_list* )((pargs) ? pargs->apszOpArgs : NULL) );
Free( pszUnformatted ); }
/* Call MsgDlgUtil with the standard arguments plus any auxillary format
** arguments. */ pszUnformatted = PszFromId( hInstance, dwFormat ); pszResult = pszNotFound;
if (pszUnformatted) { MSGARGS msgargs;
ZeroMemory( &msgargs, sizeof(msgargs) ); msgargs.dwFlags = MB_ICONEXCLAMATION + MB_OK + MB_SETFOREGROUND; msgargs.pszString = pszUnformatted; msgargs.apszArgs[ 0 ] = pszOp; msgargs.apszArgs[ 1 ] = szErrorNum; msgargs.apszArgs[ 2 ] = pszError;
if (pargs) { msgargs.fStringOutput = pargs->fStringOutput;
CopyMemory( &msgargs.apszArgs[ 3 ], pargs->apszAuxFmtArgs, 3 * sizeof(TCHAR) ); }
nResult = MsgDlgUtil( hwndOwner, 0, &msgargs, hInstance, dwTitle );
Free( pszUnformatted );
if (pargs && pargs->fStringOutput) pargs->pszOutput = msgargs.pszOutput; }
if (pszOp != pszNotFound) LocalFree( pszOp ); if (pszError != pszNotFound) LocalFree( pszError );
return nResult; } int MsgDlgUtil(IN HWND hwndOwner, IN DWORD dwMsg, IN OUT MSGARGS* pargs, IN HINSTANCE hInstance, IN DWORD dwTitle); #define MsgDlg(h,m,a) \
MsgDlgUtil(h,m,a,g_hinstDll,SID_PopupTitle)
#define ErrorDlg(h,o,e,a) \
ErrorDlgUtil(h,o,e,a,g_hinstDll,SID_PopupTitle,SID_FMT_ErrorMsg)
// LVX stuff (cut-n-paste'd from ...\net\rras\ras\ui\common\uiutil\lvx.c, etc.
static LPCTSTR g_lvxcbContextId = NULL;
BOOL ListView_IsCheckDisabled ( IN HWND hwndLv, IN INT iItem)
/* Returns true if the check box of item 'iItem' of listview of checkboxes
** 'hwndLv' is disabled, false otherwise. */ { UINT unState; unState = ListView_GetItemState( hwndLv, iItem, LVIS_STATEIMAGEMASK );
if ((unState == INDEXTOSTATEIMAGEMASK( SI_DisabledChecked )) || (unState == INDEXTOSTATEIMAGEMASK( SI_DisabledUnchecked ))) return TRUE;
return FALSE; }
VOID ListView_SetCheck( IN HWND hwndLv, IN INT iItem, IN BOOL fCheck )
/* Sets the check mark on item 'iItem' of listview of checkboxes 'hwndLv'
** to checked if 'fCheck' is true or unchecked if false. */ { NM_LISTVIEW nmlv;
if (ListView_IsCheckDisabled(hwndLv, iItem)) return;
ListView_SetItemState( hwndLv, iItem, INDEXTOSTATEIMAGEMASK( (fCheck) ? SI_Checked : SI_Unchecked ), LVIS_STATEIMAGEMASK );
nmlv.hdr.code = LVXN_SETCHECK; nmlv.hdr.hwndFrom = hwndLv; nmlv.iItem = iItem;
FORWARD_WM_NOTIFY( GetParent(hwndLv), GetDlgCtrlID(hwndLv), &nmlv, SendMessage ); }
VOID* ListView_GetParamPtr( IN HWND hwndLv, IN INT iItem )
/* Returns the lParam address of the 'iItem' item in 'hwndLv' or NULL if
** none or error. */ { LV_ITEM item;
ZeroMemory( &item, sizeof(item) ); item.mask = LVIF_PARAM; item.iItem = iItem;
if (!ListView_GetItem( hwndLv, &item )) return NULL;
return (VOID* )item.lParam; }
BOOL ListView_GetCheck( IN HWND hwndLv, IN INT iItem )
/* Returns true if the check box of item 'iItem' of listview of checkboxes
** 'hwndLv' is checked, false otherwise. This function works on disabled ** check boxes as well as enabled ones. */ { UINT unState;
unState = ListView_GetItemState( hwndLv, iItem, LVIS_STATEIMAGEMASK ); return !!((unState == INDEXTOSTATEIMAGEMASK( SI_Checked )) || (unState == INDEXTOSTATEIMAGEMASK( SI_DisabledChecked ))); }
LRESULT APIENTRY LvxcbProc( IN HWND hwnd, IN UINT unMsg, IN WPARAM wparam, IN LPARAM lparam )
/* List view subclass window procedure to trap toggle-check events.
*/ { WNDPROC pOldProc; INT iItem; BOOL fSet; BOOL fClear; BOOL fToggle;
iItem = -1; fSet = fClear = fToggle = FALSE;
if (unMsg == WM_LBUTTONDOWN) { LV_HITTESTINFO info;
/* Left mouse button pressed over checkbox icon toggles state.
** Normally, we'd use LVHT_ONITEMSTATEICON and be done with it, but we ** want to work with our cool owner-drawn list view extensions in ** which case the control doesn't know where the icon is on the item, ** so it returns a hit anywhere on the item anyway. */ ZeroMemory( &info, sizeof(info) ); info.pt.x = LOWORD( lparam ); info.pt.y = HIWORD( lparam ); info.flags = LVHT_ONITEM; iItem = ListView_HitTest( hwnd, &info );
if (iItem >= 0) { /* OK, it's over item 'iItem'. Now figure out if it's over the
** checkbox. Note this currently doesn't account for use of the ** "indent" feature on an owner-drawn item. */ if ((INT )(LOWORD( lparam )) >= GetSystemMetrics( SM_CXSMICON )) iItem = -1; else fToggle = TRUE; } } else if (unMsg == WM_LBUTTONDBLCLK) { LV_HITTESTINFO info;
/* Left mouse button double clicked over any area toggles state.
** Normally, we'd use LVHT_ONITEMSTATEICON and be done with it, but we ** want to work with our cool owner-drawn list view extensions in ** which case the control doesn't know where the icon is on the item, ** so it returns a hit anywhere on the item anyway. */ ZeroMemory( &info, sizeof(info) ); info.pt.x = LOWORD( lparam ); info.pt.y = HIWORD( lparam ); info.flags = LVHT_ONITEM; iItem = ListView_HitTest( hwnd, &info );
if (iItem >= 0) { /* OK, it's over item 'iItem'. If the click does not occur
* over a checkbox, inform the parent of the double click. */ if ((INT )(LOWORD( lparam )) >= GetSystemMetrics( SM_CXSMICON )) { NM_LISTVIEW nmlv; nmlv.hdr.code = LVXN_DBLCLK; nmlv.hdr.hwndFrom = hwnd; nmlv.iItem = iItem;
FORWARD_WM_NOTIFY( GetParent(hwnd), GetDlgCtrlID(hwnd), &nmlv, SendMessage);
iItem = -1; }
/*
* Otherwise, toggle the state. */ else fToggle = TRUE; } } else if (unMsg == WM_CHAR) { /* Space bar pressed with item selected toggles check.
** Plus or Equals keys set check. ** Minus key clears check. */ switch (wparam) { case TEXT(' '): fToggle = TRUE; break;
case TEXT('+'): case TEXT('='): fSet = TRUE; break;
case TEXT('-'): fClear = TRUE; break; }
if (fToggle || fSet || fClear) iItem = ListView_GetNextItem( hwnd, -1, LVNI_SELECTED ); } else if (unMsg == WM_KEYDOWN) { /* Left arrow becomes up arrow and right arrow becomes down arrow so
** the list of checkboxes behaves just like a static group of ** checkboxes. */ if (wparam == VK_LEFT) wparam = VK_UP; else if (wparam == VK_RIGHT) wparam = VK_DOWN; }
if (iItem >= 0) {
/* If we are handling the spacebar, plus, minus, or equals,
** the change we make applies to all the selected items; ** hence the do {} while(WM_CHAR). */
do {
if (fToggle) { UINT unOldState; BOOL fCheck;
fCheck = ListView_GetCheck( hwnd, iItem ); ListView_SetCheck( hwnd, iItem, !fCheck ); } else if (fSet) { if (!ListView_GetCheck( hwnd, iItem )) ListView_SetCheck( hwnd, iItem, TRUE ); } else if (fClear) { if (ListView_GetCheck( hwnd, iItem )) ListView_SetCheck( hwnd, iItem, FALSE ); }
iItem = ListView_GetNextItem(hwnd, iItem, LVNI_SELECTED);
} while(iItem >= 0 && unMsg == WM_CHAR);
if (fSet || fClear) {
/* Don't pass to listview to avoid beep.
*/ return 0; } }
pOldProc = (WNDPROC )GetProp( hwnd, g_lvxcbContextId ); if (pOldProc) return CallWindowProc( pOldProc, hwnd, unMsg, wparam, lparam );
return 0; }
BOOL ListView_InstallChecks( IN HWND hwndLv, IN HINSTANCE hinst )
/* Initialize "list of checkbox" handling for listview 'hwndLv'. 'Hinst'
** is the module instance containing the two checkbox icons. See LVX.RC. ** ** Returns true if successful, false otherwise. Caller must eventually ** call 'ListView_UninstallChecks', typically in WM_DESTROY processing. */ { HICON hIcon; HIMAGELIST himl; WNDPROC pOldProc;
// pmay: 397395
//
// Prevent endless loops resulting from accidentally calling this
// api twice.
//
pOldProc = (WNDPROC)GetWindowLongPtr(hwndLv, GWLP_WNDPROC); if (pOldProc == LvxcbProc) { return TRUE; }
/* Build checkbox image lists.
*/ himl = ImageList_Create( GetSystemMetrics( SM_CXSMICON ), GetSystemMetrics( SM_CYSMICON ), ILC_MASK | ILC_MIRROR, 2, 2 );
/* The order these are added is significant since it implicitly
** establishes the state indices matching SI_Unchecked and SI_Checked. */ hIcon = LoadIcon( hinst, MAKEINTRESOURCE( IID_Unchecked ) ); if ( NULL != hIcon ) { ImageList_AddIcon( himl, hIcon ); DeleteObject( hIcon ); }
hIcon = LoadIcon( hinst, MAKEINTRESOURCE( IID_Checked ) ); if ( NULL != hIcon ) { ImageList_AddIcon( himl, hIcon ); DeleteObject( hIcon ); }
hIcon = LoadIcon( hinst, MAKEINTRESOURCE( IID_DisabledUnchecked ) ); if ( NULL != hIcon ) { ImageList_AddIcon( himl, hIcon ); DeleteObject( hIcon ); }
hIcon = LoadIcon( hinst, MAKEINTRESOURCE( IID_DisabledChecked ) ); if ( NULL != hIcon ) { ImageList_AddIcon( himl, hIcon ); DeleteObject( hIcon ); }
ListView_SetImageList( hwndLv, himl, LVSIL_STATE );
/* Register atom for use in the Windows XxxProp calls which are used to
** associate the old WNDPROC with the listview window handle. */ if (!g_lvxcbContextId) g_lvxcbContextId = (LPCTSTR )GlobalAddAtom( _T("RASLVXCB") ); if (!g_lvxcbContextId) return FALSE;
/* Subclass the current window procedure.
*/ pOldProc = (WNDPROC)SetWindowLongPtr( hwndLv, GWLP_WNDPROC, (ULONG_PTR)LvxcbProc );
return SetProp( hwndLv, g_lvxcbContextId, (HANDLE )pOldProc ); }
VOID ListView_InsertSingleAutoWidthColumn( HWND hwndLv )
// Insert a single auto-sized column into listview 'hwndLv', e.g. for a
// list of checkboxes with no visible column header.
//
{ LV_COLUMN col;
ZeroMemory( &col, sizeof(col) ); col.mask = LVCF_FMT; col.fmt = LVCFMT_LEFT; ListView_InsertColumn( hwndLv, 0, &col ); ListView_SetColumnWidth( hwndLv, 0, LVSCW_AUTOSIZE ); }
TCHAR* Ellipsisize( IN HDC hdc, IN TCHAR* psz, IN INT dxColumn, IN INT dxColText OPTIONAL )
/* Returns a heap string containing the 'psz' shortened to fit in the
** given width, if necessary, by truncating and adding "...". 'Hdc' is the ** device context with the appropiate font selected. 'DxColumn' is the ** width of the column. It is caller's responsibility to Free the ** returned string. */ { const TCHAR szDots[] = TEXT("...");
SIZE size; TCHAR* pszResult; TCHAR* pszResultLast; TCHAR* pszResult2nd; DWORD cch;
cch = lstrlen( psz ); pszResult = (TCHAR*)Malloc( (cch * sizeof(TCHAR)) + sizeof(szDots) ); if (!pszResult) return NULL; lstrcpy( pszResult, psz );
dxColumn -= dxColText; if (dxColumn <= 0) { /* None of the column text will be visible so bag the calculations and
** just return the original string. */ return pszResult; }
if (!GetTextExtentPoint32( hdc, pszResult, cch, &size )) { Free( pszResult ); return NULL; }
pszResult2nd = CharNext( pszResult ); pszResultLast = pszResult + cch;
while (size.cx > dxColumn && pszResultLast > pszResult2nd) { /* Doesn't fit. Lop off a character, add the ellipsis, and try again.
** The minimum result is "..." for empty original or "x..." for ** non-empty original. */ pszResultLast = CharPrev( pszResult2nd, pszResultLast ); lstrcpy( pszResultLast, szDots );
if (!GetTextExtentPoint( hdc, pszResult, lstrlen( pszResult ), &size )) { Free( pszResult ); return NULL; } }
return pszResult; }
BOOL LvxDrawItem( IN DRAWITEMSTRUCT* pdis, IN PLVXCALLBACK pLvxCallback )
/* Respond to WM_DRAWITEM by drawing the list view item. 'Pdis' is the
** information sent by the system. 'PLvxCallback' is caller's callback to ** get information about drawing the control. ** ** Returns true is processed the message, false otherwise. */ { LV_ITEM item; INT i; INT dxState; INT dyState; INT dxSmall; INT dySmall; INT dxIndent; UINT uiStyleState; UINT uiStyleSmall; HIMAGELIST himlState; HIMAGELIST himlSmall; LVXDRAWINFO* pDrawInfo; RECT rc; RECT rcClient; BOOL fEnabled; BOOL fSelected; HDC hdc; HFONT hfont;
TRACE3("LvxDrawItem,i=%d,a=$%X,s=$%X", pdis->itemID,pdis->itemAction,pdis->itemState);
/* Make sure this is something we want to handle.
*/ if (pdis->CtlType != ODT_LISTVIEW) return FALSE;
if (pdis->itemAction != ODA_DRAWENTIRE && pdis->itemAction != ODA_SELECT && pdis->itemAction != ODA_FOCUS) { return TRUE; }
/* Get item information from the list view.
*/ ZeroMemory( &item, sizeof(item) ); item.mask = LVIF_IMAGE + LVIF_STATE; item.iItem = pdis->itemID; item.stateMask = LVIS_STATEIMAGEMASK; if (!ListView_GetItem( pdis->hwndItem, &item )) { TRACE("LvxDrawItem GetItem failed"); return TRUE; }
/* Stash some useful stuff for reference later.
*/ fEnabled = IsWindowEnabled( pdis->hwndItem ) && !(pdis->itemState & ODS_DISABLED); fSelected = (pdis->itemState & ODS_SELECTED); GetClientRect( pdis->hwndItem, &rcClient );
/* Callback owner to get drawing information.
*/ ASSERT(pLvxCallback); pDrawInfo = pLvxCallback( pdis->hwndItem, pdis->itemID ); ASSERT(pDrawInfo);
/* Get image list icon sizes now, though we draw them last because their
** background is set up during first column text output. */ dxState = dyState = 0; himlState = ListView_GetImageList( pdis->hwndItem, LVSIL_STATE ); if (himlState) ImageList_GetIconSize( himlState, &dxState, &dyState );
dxSmall = dySmall = 0; himlSmall = ListView_GetImageList( pdis->hwndItem, LVSIL_SMALL ); if (himlSmall) ImageList_GetIconSize( himlSmall, &dxSmall, &dySmall );
uiStyleState = uiStyleSmall = ILD_TRANSPARENT;
/* Figure out the number of pixels to indent the item, if any.
*/ if (pDrawInfo->dxIndent >= 0) dxIndent = pDrawInfo->dxIndent; else { if (dxSmall > 0) dxIndent = dxSmall; else dxIndent = GetSystemMetrics( SM_CXSMICON ); }
/* Get a device context for the window and set it up with the font the
** control says it's using. (Can't use the one that comes in the ** DRAWITEMSTRUCT because sometimes it has the wrong rectangle, see bug ** 13106) */ hdc = GetDC( pdis->hwndItem );
if(NULL == hdc) { return FALSE; }
hfont = (HFONT )SendMessage( pdis->hwndItem, WM_GETFONT, 0, 0 ); if (hfont) SelectObject( hdc, hfont );
/* Set things up as if we'd just got done processing a column that ends
** after the icons, then loop thru each column from left to right. */ rc.right = pdis->rcItem.left + dxIndent + dxState + dxSmall; rc.top = pdis->rcItem.top; rc.bottom = pdis->rcItem.bottom;
for (i = 0; i < pDrawInfo->cCols; ++i) { TCHAR szText[ LVX_MaxColTchars + 1 ]; TCHAR* pszText; INT dxCol;
/* Get the column width, adding any index and icon width to the first
** column. */ dxCol = ListView_GetColumnWidth( pdis->hwndItem, i ); if (i == 0) dxCol -= dxIndent + dxState + dxSmall;
szText[ 0 ] = TEXT('\0'); ListView_GetItemText( pdis->hwndItem, pdis->itemID, i, szText, LVX_MaxColTchars + 1 );
/* Update rectangle to enclose just this one item's column 'i'.
*/ rc.left = rc.right; rc.right = rc.left + dxCol;
if ((pDrawInfo->dwFlags & LVXDI_DxFill) && i == pDrawInfo->cCols - 1) { INT dxWnd = pdis->rcItem.left + rcClient.right;
if (rc.right < dxWnd) { /* When the last column does not fill out a full controls
** width of space, extend it to the right so it does. Note ** this does not mean the user can't scroll off to the right ** if they want. ** (Abolade-Gbadegesin 03-27-96) ** Don't subtrace rc.left when there is only one column; ** this accounts for the space needed for icons. */ rc.right = pdis->rcItem.right = dxWnd; if (i == 0) { ListView_SetColumnWidth(pdis->hwndItem, i, rc.right); } else { ListView_SetColumnWidth( pdis->hwndItem, i, rc.right - rc.left ); } } }
/* Lop the text and append "..." if it won't fit in the column.
*/ pszText = Ellipsisize( hdc, szText, rc.right - rc.left, LVX_dxColText ); if (!pszText) continue;
/* Figure out the appropriate text and background colors for the
** current item state. */ if (fEnabled) { if (fSelected) { SetTextColor( hdc, GetSysColor( COLOR_HIGHLIGHTTEXT ) ); SetBkColor( hdc, GetSysColor( COLOR_HIGHLIGHT ) ); if (pDrawInfo->dwFlags & LVXDI_Blend50Sel) uiStyleSmall |= ILD_BLEND50; } else { if (pDrawInfo->adwFlags[ i ] & LVXDIA_3dFace) { SetTextColor( hdc, GetSysColor( COLOR_WINDOWTEXT ) ); SetBkColor( hdc, GetSysColor( COLOR_3DFACE ) ); } else { SetTextColor( hdc, GetSysColor( COLOR_WINDOWTEXT ) ); SetBkColor( hdc, GetSysColor( COLOR_WINDOW ) ); } } } else { if (pDrawInfo->adwFlags[ i ] & LVXDIA_Static) { SetTextColor( hdc, GetSysColor( COLOR_WINDOWTEXT ) ); SetBkColor( hdc, GetSysColor( COLOR_3DFACE ) ); } else { SetTextColor( hdc, GetSysColor( COLOR_GRAYTEXT ) ); SetBkColor( hdc, GetSysColor( COLOR_3DFACE ) ); }
if (pDrawInfo->dwFlags & LVXDI_Blend50Dis) uiStyleSmall |= ILD_BLEND50; }
/* Draw the column text. In the first column the background of any
** indent and icons is erased to the text background color. */ { RECT rcBg = rc;
if (i == 0) rcBg.left -= dxIndent + dxState + dxSmall;
ExtTextOut( hdc, rc.left + LVX_dxColText, rc.top + LVX_dyColText, ETO_CLIPPED + ETO_OPAQUE, &rcBg, pszText, lstrlen( pszText ), NULL ); }
Free( pszText ); }
/* Finally, draw the icons, if caller specified any.
*/ if (himlState) { ImageList_Draw( himlState, (item.state >> 12) - 1, hdc, pdis->rcItem.left + dxIndent, pdis->rcItem.top, uiStyleState ); }
if (himlSmall) { ImageList_Draw( himlSmall, item.iImage, hdc, pdis->rcItem.left + dxIndent + dxState, pdis->rcItem.top, uiStyleSmall ); }
/* Draw the dotted focus rectangle around the whole item, if indicated.
*/ //comment for bug 52688 whistler
// if ((pdis->itemState & ODS_FOCUS) && GetFocus() == pdis->hwndItem)
// DrawFocusRect( hdc, &pdis->rcItem );
//
ReleaseDC( pdis->hwndItem, hdc );
return TRUE; }
BOOL LvxMeasureItem( IN HWND hwnd, IN OUT MEASUREITEMSTRUCT* pmis )
/* Respond to WM_MEASUREITEM message, i.e. fill in the height of an item
** in the ListView. 'Hwnd' is the owner window. 'Pmis' is the structure ** provided from Windows. ** ** Returns true is processed the message, false otherwise. */ { HDC hdc; HWND hwndLv; HFONT hfont; TEXTMETRIC tm; UINT dySmIcon; RECT rc;
TRACE("LvxMeasureItem");
if (pmis->CtlType != ODT_LISTVIEW) return FALSE;
hwndLv = GetDlgItem( hwnd, pmis->CtlID ); ASSERT(hwndLv);
/* Get a device context for the list view control and set up the font the
** control says it's using. MSDN claims the final font may not be ** available at this point, but it sure seems to be. */ hdc = GetDC( hwndLv ); hfont = (HFONT )SendMessage( hwndLv, WM_GETFONT, 0, 0 ); if (hfont) SelectObject( hdc, hfont );
if (GetTextMetrics( hdc, &tm )) pmis->itemHeight = tm.tmHeight + 1; else pmis->itemHeight = 0;
/* Make sure it's tall enough for a standard small icon.
*/ dySmIcon = (UINT )GetSystemMetrics( SM_CYSMICON ); if (pmis->itemHeight < dySmIcon + LVX_dyIconSpacing) pmis->itemHeight = dySmIcon + LVX_dyIconSpacing;
/* Set the width since the docs say to, though I don't think it's used by
** list view. */ GetClientRect( hwndLv, &rc ); pmis->itemWidth = rc.right - rc.left - 1;
ReleaseDC( hwndLv, hdc ); return TRUE; }
BOOL ListView_OwnerHandler( IN HWND hwnd, IN UINT unMsg, IN WPARAM wparam, IN LPARAM lparam, IN PLVXCALLBACK pLvxCallback )
/* Handler that, when installed, turns a regular report-view-only list
** view (but with style LVS_OWNERDRAWFIXED) into an enhanced list view ** with full width selection bar and other custom column display options. ** It should appear in list view owner's dialog proc as follows: ** ** BOOL ** MyDlgProc( ** IN HWND hwnd, ** IN UINT unMsg, ** IN WPARAM wparam, ** IN LPARAM lparam ) ** { ** if (ListView_OwnerHandler( ** hwnd, unMsg, wParam, lParam, MyLvxCallback )) ** return TRUE; ** ** <the rest of your stuff here> ** } ** ** 'PLvxCallback' is caller's callback routine that provides information ** about drawing columns and other options. ** ** Returns true if processed message, false otherwise. */ { /* This routine executes on EVERY message thru the dialog so keep it
** efficient, please. */ switch (unMsg) { case WM_DRAWITEM: return LvxDrawItem( (DRAWITEMSTRUCT* )lparam, pLvxCallback );
case WM_MEASUREITEM: return LvxMeasureItem( hwnd, (MEASUREITEMSTRUCT* )lparam ); }
return FALSE; }
// StrDup* functions
TCHAR* _StrDup(LPCTSTR psz ) // my local version...
/* Returns heap block containing a copy of 0-terminated string 'psz' or
** NULL on error or is 'psz' is NULL. It is caller's responsibility to ** 'Free' the returned string. */ { TCHAR* pszNew = NULL;
if (psz) { pszNew = (TCHAR*)Malloc( (lstrlen( psz ) + 1) * sizeof(TCHAR) ); if (!pszNew) { TRACE("StrDup Malloc failed"); return NULL; }
lstrcpy( pszNew, psz ); }
return pszNew; }
TCHAR* StrDupTFromW( LPCWSTR psz )
/* Returns heap block containing a copy of 0-terminated string 'psz' or
** NULL on error or is 'psz' is NULL. The output string is converted to ** UNICODE. It is caller's responsibility to Free the returned string. */ { #ifdef UNICODE
return _StrDup ( psz );
#else // !UNICODE
CHAR* pszNew = NULL;
if (psz) { DWORD cb;
cb = WideCharToMultiByte( CP_ACP, 0, psz, -1, NULL, 0, NULL, NULL ); ASSERT(cb);
pszNew = (CHAR* )Malloc( cb + 1 ); if (!pszNew) { TRACE("StrDupTFromW Malloc failed"); return NULL; }
cb = WideCharToMultiByte( CP_ACP, 0, psz, -1, pszNew, cb, NULL, NULL ); if (cb == 0) { Free( pszNew ); TRACE("StrDupTFromW conversion failed"); return NULL; } }
return pszNew;
#endif
}
WCHAR* StrDupWFromT( LPCTSTR psz )
/* Returns heap block containing a copy of 0-terminated string 'psz' or
** NULL on error or if 'psz' is NULL. The output string is converted to ** UNICODE. It is caller's responsibility to Free the returned string. */ { #ifdef UNICODE
return _StrDup ( psz );
#else // !UNICODE
WCHAR* pszNew = NULL;
if (psz) { DWORD cb;
cb = MultiByteToWideChar( CP_ACP, 0, psz, -1, NULL, 0 ); ASSERT(cb);
pszNew = (WCHAR*)Malloc( (cb + 1) * sizeof(WCHAR) ); if (!pszNew) { TRACE("StrDupWFromT Malloc failed"); return NULL; }
cb = MultiByteToWideChar( CP_ACP, 0, psz, -1, pszNew, cb ); if (cb == 0) { Free( pszNew ); TRACE("StrDupWFromT conversion failed"); return NULL; } }
return pszNew; #endif
}
void IpHostAddrToPsz( IN DWORD dwAddr, OUT LPTSTR pszBuffer )
// Converts an IP address in host byte order to its
// string representation.
// pszBuffer should be allocated by the caller and be
// at least 16 characters long.
//
{ BYTE* pb = (BYTE*)&dwAddr; static const TCHAR c_szIpAddr [] = TEXT("%d.%d.%d.%d"); wsprintf (pszBuffer, c_szIpAddr, pb[3], pb[2], pb[1], pb[0]); } #ifdef DOWNLEVEL_CLIENT
DWORD IpPszToHostAddr( IN LPCTSTR cp )
// Converts an IP address represented as a string to
// host byte order.
//
{ DWORD val, base, n; TCHAR c; DWORD parts[4], *pp = parts;
again: // Collect number up to ``.''.
// Values are specified as for C:
// 0x=hex, 0=octal, other=decimal.
//
val = 0; base = 10; if (*cp == TEXT('0')) base = 8, cp++; if (*cp == TEXT('x') || *cp == TEXT('X')) base = 16, cp++; while (c = *cp) { if ((c >= TEXT('0')) && (c <= TEXT('9'))) { val = (val * base) + (c - TEXT('0')); cp++; continue; } if ((base == 16) && ( ((c >= TEXT('0')) && (c <= TEXT('9'))) || ((c >= TEXT('A')) && (c <= TEXT('F'))) || ((c >= TEXT('a')) && (c <= TEXT('f'))) )) { val = (val << 4) + (c + 10 - ( ((c >= TEXT('a')) && (c <= TEXT('f'))) ? TEXT('a') : TEXT('A') ) ); cp++; continue; } break; } if (*cp == TEXT('.')) { // Internet format:
// a.b.c.d
// a.b.c (with c treated as 16-bits)
// a.b (with b treated as 24 bits)
//
if (pp >= parts + 3) return (DWORD) -1; *pp++ = val, cp++; goto again; }
// Check for trailing characters.
//
if (*cp && (*cp != TEXT(' '))) return 0xffffffff;
*pp++ = val;
// Concoct the address according to
// the number of parts specified.
//
n = (DWORD) (pp - parts); switch (n) { case 1: // a -- 32 bits
val = parts[0]; break;
case 2: // a.b -- 8.24 bits
val = (parts[0] << 24) | (parts[1] & 0xffffff); break;
case 3: // a.b.c -- 8.8.16 bits
val = (parts[0] << 24) | ((parts[1] & 0xff) << 16) | (parts[2] & 0xffff); break;
case 4: // a.b.c.d -- 8.8.8.8 bits
val = (parts[0] << 24) | ((parts[1] & 0xff) << 16) | ((parts[2] & 0xff) << 8) | (parts[3] & 0xff); break;
default: return 0xffffffff; }
return val; } #endif
VOID* Free0( VOID* p )
/* Like Free, but deals with NULL 'p'.
*/ { if (!p) return NULL;
return Free( p ); }
HRESULT ActivateLuna(HANDLE* phActivationContext, ULONG_PTR* pulCookie) { HRESULT hr = E_FAIL; TCHAR szPath[MAX_PATH]; if(0 != GetModuleFileName(_Module.GetResourceInstance(), szPath, sizeof(szPath) / sizeof(TCHAR))) { ACTCTX ActivationContext; ZeroMemory(&ActivationContext, sizeof(ActivationContext)); ActivationContext.cbSize = sizeof(ActivationContext); ActivationContext.lpSource = szPath; ActivationContext.dwFlags = ACTCTX_FLAG_RESOURCE_NAME_VALID; ActivationContext.lpResourceName = MAKEINTRESOURCE(123); ULONG_PTR ulCookie; HANDLE hActivationContext = CreateActCtx(&ActivationContext); if(NULL != hActivationContext) { if(TRUE == ActivateActCtx(hActivationContext, &ulCookie)) { *phActivationContext = hActivationContext; *pulCookie = ulCookie; hr = S_OK; } else { ReleaseActCtx(hActivationContext); } } } return hr; }
HRESULT DeactivateLuna(HANDLE hActivationContext, ULONG_PTR ulCookie) { DeactivateActCtx(0, ulCookie); ReleaseActCtx(hActivationContext); return S_OK; }
|