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Microsoft Windows NT Build 511 (SDK Final Release) 07-24-1993
/******************************************************************************\
* This is a part of the Microsoft Source Code Samples.
* Copyright (C) 1993 Microsoft Corporation.
* All rights reserved.
* This source code is only intended as a supplement to
* Microsoft Development Tools and/or WinHelp documentation.
* See these sources for detailed information regarding the
* Microsoft samples programs.
\******************************************************************************/
/*****************************************************************************\
*
* Module: dialogs.c
*
* Contains dialog procs for the Windows debugging Spy SDK applet.
*
* Functions:
*
* MyDialogBox()
* AboutDlgProc()
* SelectWindowDlgProc()
* OutputDlgProc()
* SelectFont()
* MessagesDlgProc()
* SelectWindowCommand()
* FillListBox()
* AddOneWindow()
* MakeWindowName()
* FindHwndInListBox()
* HighlightWindow()
* SelectWindowUpdateInfo()
* SelectWindowEnableFields()
* OutputCommand()
* MessagesInit()
* MessagesCommand()
* MessagesUpdateCheckBoxes()
*
* Comments:
*
\*****************************************************************************/
#include "spy.h"
#include <commdlg.h>
#define DINV 3
PRIVATE HWND ghwndSpyingOnTemp; // Temp when selecting hwnd to spy on.
PRIVATE HWND ghwndDlgBeingFilled = NULL;
PRIVATE BOOL bBorderOn = FALSE;
PRIVATE INT gcItemsSave;
PRIVATE BOOL SelectWindowCommand(HWND hwnd, INT nCmd, INT nNotifyCode);
PRIVATE VOID FillListBox(HWND hDlg, HWND hwndList, HWND hwnd);
BOOL CALLBACK AddOneWindow(HWND hwnd, HWND hwndList);
PRIVATE VOID MakeWindowName(HWND hwnd, LPSTR lpString, INT nStringLen);
PRIVATE INT FindHwndInListBox(HWND hwndList, HWND hSpyWnd);
PRIVATE VOID HighlightWindow(HWND hwnd, BOOL fDraw);
PRIVATE VOID SelectWindowUpdateInfo(HWND hDlg, HWND hwnd);
PRIVATE VOID SelectWindowEnableFields(HWND hwnd, BOOL fEnable);
PRIVATE BOOL OutputCommand(HWND hwnd, INT nCmd, INT nNotifyCode);
PRIVATE VOID MessagesInit(HWND hwnd);
PRIVATE BOOL MessagesCommand(HWND hwnd, INT nCmd, INT nNotifyCode);
PRIVATE VOID MessagesUpdateCheckBoxes(HWND hwnd);
CHAR szConsoleWindowClass[] = "ConsoleWindowClass";
/*****************************************************************************\
* MyDialogBox
*
* Puts up the specified dialog.
*
* Arguments:
* INT idDlg - The resource id of the dialog to display.
* DLGPROC pfnDlgProc - The dialog proc to use.
*
* Returns:
* The return value from DialogBox (whatever the dialog proc passes
* to EndDialog).
\*****************************************************************************/
BOOL
MyDialogBox(
INT idDlg,
DLGPROC pfnDlgProc
)
{
return DialogBox(ghInst, MAKEINTRESOURCE(idDlg), ghwndSpyApp, pfnDlgProc);
}
/*****************************************************************************\
* AboutDlgProc
*
* Dialog proc for the About box.
*
\*****************************************************************************/
BOOL CALLBACK
AboutDlgProc(
HWND hwnd,
UINT msg,
WPARAM wParam,
LPARAM lParam
)
{
switch (msg) {
case WM_INITDIALOG:
return TRUE;
case WM_COMMAND:
EndDialog(hwnd, IDOK);
break;
}
return FALSE;
}
/*****************************************************************************\
* SelectWindowDlgProc
*
* Dialog proc for the Select Window dialog. This dialog allows the user
* to select which window they want to spy on.
*
* Arguments:
* HWND hwnd - Window handle of the dialog.
* UINT msg - Message sent to window.
* WPARAM wParam - Message parameter.
* LPARAM lParam - Message parameter.
*
* Returns:
* The value that the dialog proc should return, based on the processing
* of the specific WM_COMMAND message received.
\*****************************************************************************/
BOOL CALLBACK
SelectWindowDlgProc(
HWND hwnd,
UINT msg,
WPARAM wParam,
LPARAM lParam
)
{
HWND hwndList;
INT nIndex;
UNREFERENCED_PARAMETER(lParam);
switch (msg)
{
case WM_INITDIALOG:
hwndList = GetDlgItem(hwnd, DID_SELWINLIST);
ghwndSpyingOnTemp = ghwndSpyingOn == HWND_ALL ? NULL : (ghwndSpyingOn == NULL ? NULL
: GetParent(ghwndSpyingOn));
FillListBox(hwnd, hwndList, ghwndSpyingOnTemp);
nIndex = FindHwndInListBox(hwndList, ghwndSpyingOn == HWND_ALL ? NULL
: ghwndSpyingOn);
SendMessage(hwndList, LB_SETCURSEL, nIndex, 0);
ghwndSpyingOnTemp = (HWND)SendMessage(hwndList, LB_GETITEMDATA, nIndex, 0);
SelectWindowUpdateInfo(hwnd, ghwndSpyingOnTemp);
CheckDlgButton(hwnd, DID_SELWINALLWINDOWS, gfSpyAll);
SelectWindowEnableFields(hwnd, !gfSpyAll);
SetFocus(hwnd);
HighlightWindow(ghwndSpyingOnTemp, TRUE);
return TRUE;
case WM_NCLBUTTONDOWN:
if (wParam == HTCAPTION)
{
//
// The mouse is down for a move of the dialog, so clean up the
// border stuff.
//
if (bBorderOn)
HighlightWindow(ghwndSpyingOnTemp, FALSE);
}
return FALSE;
case WM_KEYDOWN:
case WM_LBUTTONUP:
case WM_NCLBUTTONUP:
//
// The mouse is up from a move of the dialog, so put up the
// border stuff again.
//
if (!bBorderOn)
HighlightWindow(ghwndSpyingOnTemp, TRUE);
return FALSE;
case WM_CANCELMODE:
return FALSE;
case WM_COMMAND:
return SelectWindowCommand(hwnd, LOWORD(wParam), HIWORD(wParam));
}
return FALSE;
}
/*****************************************************************************\
* SelectWindowCommand
*
* Handles thw WM_COMMAND messages for the Select Window dialog.
*
* Arguments:
* HWND hwnd - Window handle of the dialog.
* INT nCmd - Command value.
* INT nNotifyCode - The notify code.
*
* Returns:
* The value that the dialog proc should return, based on the processing
* of the specific WM_COMMAND message received.
\*****************************************************************************/
PRIVATE BOOL
SelectWindowCommand(
HWND hwnd,
INT nCmd,
INT nNotifyCode
)
{
INT nIndex;
HWND hwndList;
CHAR rgString[32];
switch (nCmd)
{
case IDOK:
SetWindowToSpyOn(IsDlgButtonChecked(hwnd, DID_SELWINALLWINDOWS) ?
HWND_ALL : ghwndSpyingOnTemp);
if (bBorderOn)
HighlightWindow(ghwndSpyingOnTemp, FALSE);
EndDialog(hwnd, IDOK);
return TRUE;
case IDCANCEL:
if (bBorderOn)
HighlightWindow(ghwndSpyingOnTemp, FALSE);
EndDialog(hwnd, IDCANCEL);
return TRUE;
case DID_SELWINLIST:
//
// User single clicked or doubled clicked in listbox -
// Single click means select a window to spy on
// Double click means enumerate all the children of that window.
//
hwndList = GetDlgItem(hwnd, DID_SELWINLIST);
switch (nNotifyCode)
{
case LBN_SELCHANGE:
//
// Single click case. Select a window to spy upon.
//
// Get the window handle, set it as the window to spy on.
//
if (bBorderOn)
HighlightWindow(ghwndSpyingOnTemp, FALSE);
nIndex = (INT)SendMessage(hwndList, LB_GETCURSEL, 0, 0);
ghwndSpyingOnTemp = (HWND)SendMessage(hwndList, LB_GETITEMDATA,
nIndex, 0);
SelectWindowUpdateInfo(hwnd, ghwndSpyingOnTemp);
HighlightWindow(ghwndSpyingOnTemp, TRUE);
break;
case LBN_DBLCLK:
//
// Double click case - first click has already been
// processed as single click. In this case, the user has
// requested to look at all the children of a given
// selection.
//
// Get the current selection, and check to see if it is the
// " [ parent.. ]" entry. If so, go up one level first.
//
SetCursor(LoadCursor(NULL, IDC_WAIT));
if (bBorderOn)
HighlightWindow(ghwndSpyingOnTemp, FALSE);
nIndex = (INT)SendMessage(hwndList, LB_GETCURSEL, 0, 0);
ghwndSpyingOnTemp = (HWND)SendMessage(hwndList, LB_GETITEMDATA,
nIndex, 0);
SendMessage(hwndList, LB_GETTEXT, nIndex, (LPARAM)rgString);
if (rgString[0] == ' ')
{
// At top? If so, we are done.
if (ghwndSpyingOnTemp == NULL)
{
SetCursor(LoadCursor(NULL, IDC_ARROW));
break;
}
ghwndSpyingOnTemp = GetParent(ghwndSpyingOnTemp);
}
SendMessage(hwndList, LB_RESETCONTENT, 0, 0);
FillListBox(hwnd, hwndList, ghwndSpyingOnTemp);
nIndex = FindHwndInListBox(hwndList, ghwndSpyingOnTemp);
SendMessage(hwndList, LB_SETCURSEL, nIndex, 0);
ghwndSpyingOnTemp = (HWND)SendMessage(hwndList, LB_GETITEMDATA,
nIndex, 0);
HighlightWindow(ghwndSpyingOnTemp,TRUE);
SelectWindowUpdateInfo(hwnd, ghwndSpyingOnTemp);
SetCursor(LoadCursor(NULL, IDC_ARROW));
break;
}
break;
case DID_SELWINALLWINDOWS:
SelectWindowEnableFields(hwnd,
!IsDlgButtonChecked(hwnd, DID_SELWINALLWINDOWS));
break;
}
return FALSE;
}
/*****************************************************************************\
* FillListBox
*
* Fills the listbox in the Select Window dialog with the names of
* the child windows of the given window.
*
* Arguments:
* hDlg - Window handle of the dialog window
* hwndList - Handle to the listbox within the dialog.
* hwnd - Parent whose children to enumerate.
*
* Returns:
* VOID
\*****************************************************************************/
PRIVATE VOID
FillListBox(
HWND hDlg,
HWND hwndList,
HWND hwnd
)
{
INT nIndex;
//
// First fill the list box with child windows
//
// Make sure we display the list box after things are added.
//
SendMessage(hwndList, WM_SETREDRAW, 0, 0);
//
// remember which dialog we are processing
//
ghwndDlgBeingFilled = hDlg;
if (hwnd == NULL)
{
//
// Enumerate the top level separately... gross unsymmetry, but
// hey.
//
EnumWindows(AddOneWindow, (LPARAM)hwndList);
}
else
{
EnumChildWindows(hwnd, AddOneWindow, (LPARAM)hwndList);
}
//
// Now give the user a method of getting back to the parent. The space at
// the beginning of the " [parent]" string identifies the entry as the
// parent entry and makes it different from all the other entries since
// the others start with a handle number of some sort.
//
nIndex = SendMessage(hwndList, LB_ADDSTRING, 0, (LPARAM)" [ parent... ]");
SendMessage(hwndList, LB_SETITEMDATA, nIndex, (LONG)hwnd);
//
// Now do the redraw...
//
SendMessage(hwndList, WM_SETREDRAW, 1, 0);
}
/*****************************************************************************\
* AddOneWindow
*
* Gets the windows to add to the list of windows to spy on.
*
* Arguments:
* HWND hwnd - handle of the window to add.
* HWND hwndList - handle to the listbox.
*
* Returns:
* TRUE - if a window was created.
\*****************************************************************************/
#define CCH_RGBUF 32
BOOL CALLBACK
AddOneWindow(
HWND hwnd,
HWND hwndList
)
{
CHAR rgBuf[CCH_RGBUF];
INT nIndex;
HWND htemp;
//
// Make sure we don't add any window that has anything to do with
// the dialog or any other spy window
//
htemp = GetParent(hwnd);
// Don't put console windows in the list since they can not be hooked
if (GetClassName(hwnd, (LPTSTR) rgBuf, CCH_RGBUF) != 0 &&
strcmp(rgBuf, szConsoleWindowClass) == 0 )
{
return 1;
}
// Don't put windows that belong to spy in the list
if (hwnd == ghwndDlgBeingFilled || htemp == ghwndDlgBeingFilled
|| hwnd == ghwndSpyApp
|| htemp == ghwndSpyApp || hwnd == ghwndPrintf || htemp == ghwndPrintf
|| hwnd == ghwndSpyHook || htemp == ghwndSpyHook)
{
return 1;
}
MakeWindowName(hwnd, rgBuf, CCH_RGBUF);
nIndex = SendMessage(hwndList, LB_ADDSTRING, 0, (LPARAM)rgBuf);
if (nIndex == LB_ERR || nIndex == LB_ERRSPACE)
return 0;
if (SendMessage(hwndList, LB_SETITEMDATA, nIndex, (LPARAM)hwnd) == LB_ERR)
return 0;
return 1;
}
/*****************************************************************************\
* MakeWindowName
*
* Builds the window name from the window handle passed in.
*
* Arguments:
* HWND hwnd - handle to the window.
* LPSTR lpString - String to put window name into.
* INT nSTringLen - Length of window string.
*
* Returns:
* VOID
\*****************************************************************************/
PRIVATE VOID
MakeWindowName(
HWND hwnd,
LPSTR lpString,
INT nStringLen
)
{
wsprintf(lpString, "%8.8lX:", hwnd);
if (hwnd == NULL || !IsWindow(hwnd))
{
lstrcat(lpString, "!!!");
}
else
{
GetWindowText(hwnd, lpString + 9, nStringLen - 9);
}
}
/*****************************************************************************\
* FindHwndInListBox
*
* Gets the window from the list of windows in the listbox.
*
* Arguments:
* HWND hwndList - handle to the listbox.
* HWND hSpyWnd - handle to the spy window.
*
* Returns:
* INT - Index to the window in the listbox.
\*****************************************************************************/
PRIVATE INT
FindHwndInListBox(
HWND hwndList,
HWND hSpyWnd
)
{
CHAR rgBuf[9];
INT nIndex;
wsprintf(rgBuf, "%08lX", (LONG)hSpyWnd);
nIndex = SendMessage(hwndList, LB_FINDSTRING, (WPARAM)-1, (LPARAM)rgBuf);
if (nIndex == LB_ERR)
nIndex = 0;
return nIndex;
}
/*****************************************************************************\
* HighlightWindow
*
* Used to temporarily highlight the window that the user has selected from
* the Select Window dialog. It does this by inverting a border around the
* window.
*
* Arguments:
* HWND hwnd - handle to the selected window.
* BOOL fdraw - whether to draw the window inverted on non-inverted.
*
* Returns:
* VOID
\*****************************************************************************/
PRIVATE VOID
HighlightWindow(
HWND hwnd,
BOOL fDraw
)
{
HDC hdc;
RECT rc;
bBorderOn = fDraw;
if (hwnd == NULL || !IsWindow(hwnd))
return;
hdc = GetWindowDC(hwnd);
GetWindowRect(hwnd, &rc);
OffsetRect(&rc, -rc.left, -rc.top);
if (!IsRectEmpty(&rc))
{
PatBlt(hdc, rc.left, rc.top, rc.right - rc.left, DINV, DSTINVERT);
PatBlt(hdc, rc.left, rc.bottom - DINV, DINV,
-(rc.bottom - rc.top - 2 * DINV), DSTINVERT);
PatBlt(hdc, rc.right - DINV, rc.top + DINV, DINV,
rc.bottom - rc.top - 2 * DINV, DSTINVERT);
PatBlt(hdc, rc.right, rc.bottom - DINV, -(rc.right - rc.left),
DINV, DSTINVERT);
}
ReleaseDC(hwnd, hdc);
}
/*****************************************************************************\
* SelectWindowUpdateInfo
*
* Updates the informational fields in the Select Window dialog when
* a new window is selected from the hwnd listbox.
*
* Arguments:
* HWND hDlg - handle to the select window dialog box.
* HWND hwnd - handle to the new window selected.
*
* Returns:
* VOID
\*****************************************************************************/
PRIVATE VOID
SelectWindowUpdateInfo(
HWND hDlg,
HWND hwnd
)
{
HWND hParent;
DWORD dwStyle;
RECT rc;
CHAR szTemp[MAXSTRING];
if (hwnd)
{
hParent = GetParent(hwnd);
dwStyle = GetWindowLong(hwnd, GWL_STYLE);
MakeWindowName(hwnd, szTemp, MAXSTRING);
SetDlgItemText(hDlg, DID_SELWINWINDOW, szTemp);
GetClassName(hwnd, szTemp, MAXSTRING);
SetDlgItemText(hDlg, DID_SELWINCLASS, szTemp);
if (hParent)
{
MakeWindowName(hParent, szTemp, MAXSTRING);
SetDlgItemText(hDlg, DID_SELWINPARENT, szTemp);
}
else
{
SetDlgItemText(hDlg, DID_SELWINPARENT, "<No Parent>");
}
GetWindowRect(hwnd, &rc);
wsprintf(szTemp, "(%d,%d)-(%d,%d) %dx%d", rc,
rc.right-rc.left, rc.bottom-rc.top);
SetDlgItemText(hDlg, DID_SELWINRECT, szTemp);
if (dwStyle & WS_POPUP)
wsprintf (szTemp, "%08lX: WS_POPUP", dwStyle);
else if (dwStyle & WS_CHILD)
wsprintf (szTemp, "%08lX: WS_CHILD, ID: %lX", dwStyle,
GetWindowLong(hwnd, GWL_ID));
else if (dwStyle & WS_ICONIC)
wsprintf (szTemp, "%08lX: WS_ICONIC", dwStyle);
else
wsprintf (szTemp, "%08lX: WS_OVERLAPPED", dwStyle);
SetDlgItemText(hDlg, DID_SELWINSTYLE, szTemp);
}
else
{
SetDlgItemText(hDlg, DID_SELWINWINDOW, "<Undefined>");
SetDlgItemText(hDlg, DID_SELWINCLASS, "<Undefined>");
SetDlgItemText(hDlg, DID_SELWINPARENT, "<Undefined>");
SetDlgItemText(hDlg, DID_SELWINRECT, "<Undefined>");
SetDlgItemText(hDlg, DID_SELWINSTYLE, "<Undefined>");
}
}
/*****************************************************************************\
* SelectWindowEnableFields
*
* Enables/disables the different fields in the Select Window dialog
* based on whether the user wants to spy on all windows or individually
* select one.
*
* Arguments:
* HWND hwnd - Dialog window handle.
* BOOL fEnable - TRUE to enable the fields, FALSE to disable them.
*
* Returns:
* VOID
\*****************************************************************************/
PRIVATE VOID
SelectWindowEnableFields(
HWND hwnd,
BOOL fEnable
)
{
EnableWindow(GetDlgItem(hwnd, DID_SELWINLIST), fEnable);
EnableWindow(GetDlgItem(hwnd, DID_SELWINWINDOW), fEnable);
EnableWindow(GetDlgItem(hwnd, DID_SELWINCLASS), fEnable);
EnableWindow(GetDlgItem(hwnd, DID_SELWINPARENT), fEnable);
EnableWindow(GetDlgItem(hwnd, DID_SELWINRECT), fEnable);
EnableWindow(GetDlgItem(hwnd, DID_SELWINSTYLE), fEnable);
}
/*****************************************************************************\
* OutputDlgProc
*
* Dialog proc for the Output dialog.
*
* Arguments:
* HWND hwnd - handle to the output dialog
* UINT msg - message sent to output dialog
* WPARAM wParam - message parameter.
* LPARAM lParam - message parameter.
*
* Returns:
* The value that the dialog proc should return, based on the processing
* of the specific WM_COMMAND message received.
*
\*****************************************************************************/
BOOL CALLBACK
OutputDlgProc(
HWND hwnd,
UINT msg,
WPARAM wParam,
LPARAM lParam
)
{
switch (msg)
{
case WM_INITDIALOG:
CheckDlgButton(hwnd, DID_OUTPUTWINDOW, gfOutputWin);
CheckDlgButton(hwnd, DID_OUTPUTCOM1, gfOutputCom1);
CheckDlgButton(hwnd, DID_OUTPUTFILE, gfOutputFile);
SetDlgItemText(hwnd, DID_OUTPUTFILENAME, gszFile);
SetDlgItemInt(hwnd, DID_OUTPUTLINES, gnLines, FALSE);
return TRUE;
case WM_COMMAND:
return OutputCommand(hwnd, LOWORD(wParam), HIWORD(wParam));
}
return FALSE;
}
/*****************************************************************************\
* OutputCommand
*
* Handles the WM_COMMAND messages for the Output dialog.
*
* Arguments:
* HWND hwnd - Window handle of the dialog.
* INT nCmd - Command value.
* INT nNotifyCode - The notify code.
*
* Returns:
* The value that the dialog proc should return, based on the processing
* of the specific WM_COMMAND message received.
*
\*****************************************************************************/
PRIVATE BOOL
OutputCommand(
HWND hwnd,
INT nCmd,
INT nNotifyCode
)
{
HFILE fh;
INT i;
CHAR szTemp[MAXSTRING];
switch (nCmd)
{
case IDOK:
i = GetDlgItemInt(hwnd, DID_OUTPUTLINES, &i, FALSE);
if (i != gnLines)
{
if ( i > 0 && i <= LINES_MAX)
{
gnLines = i;
MyCreatePrintfWin(ghwndSpyApp);
}
else
{
Message(MB_OK | MB_ICONEXCLAMATION,
"Window lines should be between 1-%d", LINES_MAX);
SetFocus(GetDlgItem(hwnd, DID_OUTPUTLINES));
break;
}
}
gfOutputWin = IsDlgButtonChecked(hwnd, DID_OUTPUTWINDOW);
gfOutputCom1 = IsDlgButtonChecked(hwnd, DID_OUTPUTCOM1);
gfOutputFile = IsDlgButtonChecked(hwnd, DID_OUTPUTFILE);
if (gfOutputFile)
{
GetDlgItemText(hwnd, DID_OUTPUTFILENAME, szTemp, MAXSTRING);
//BUGBUG verify that they entered a filename!
if (lstrcmp(gszFile, szTemp)) /* Not Equal */
{
fh = _lcreat(szTemp, 0);
if (fh == (HFILE)(-1))
{
if (Message(MB_OKCANCEL | MB_ICONEXCLAMATION,
"Cannot open %s", szTemp) == IDCANCEL)
{
EndDialog(hwnd, FALSE);
}
return TRUE;
}
lstrcpy(gszFile, szTemp);
if (gfhFile)
_lclose(gfhFile);
gfhFile = fh;
}
}
else
{
if (gfhFile)
{
_lclose(gfhFile);
gfhFile = 0;
}
}
EndDialog(hwnd, TRUE);
return TRUE;
case IDCANCEL:
EndDialog(hwnd, FALSE);
return TRUE;
}
return FALSE;
}
/*****************************************************************************\
* SelectFont
*
* Allows the user to select a new font for the display.
*
* Arguments:
* none
*
* Returns:
* VOID
\*****************************************************************************/
VOID
SelectFont(
VOID
)
{
CHOOSEFONT cf;
LOGFONT lf;
HFONT hfontNew;
GetObject(ghfontPrintf, sizeof(LOGFONT), (LPVOID)&lf);
cf.lStructSize = sizeof(cf);
cf.hwndOwner = ghwndSpyApp;
cf.hDC = NULL;
cf.lpLogFont = &lf;
cf.iPointSize = 0;
cf.Flags = CF_ANSIONLY | CF_FORCEFONTEXIST | CF_INITTOLOGFONTSTRUCT
| CF_SCREENFONTS;
cf.rgbColors = 0;
cf.lCustData = 0;
cf.lpfnHook = NULL;
cf.lpTemplateName = NULL;
cf.hInstance = NULL;
cf.lpszStyle = NULL;
cf.nFontType = 0;
cf.nSizeMin = 0;
cf.nSizeMax = 0;
if (ChooseFont(&cf))
{
if (hfontNew = CreateFontIndirect(&lf))
{
SetPrintfFont(ghwndPrintf, hfontNew);
ghfontPrintf = hfontNew;
}
}
}
/*****************************************************************************\
* MessagesDlgProc
*
* Dialog proc for the Messages dialog. This dialog allows the user
* to select which messages they want to spy on.
*
* Arguments:
* HWND hwnd - handle to the dialog window.
* UINT msg - message to the window
* WPARAM wParam - message parameter
* LPARAM lParam - message parameter
*
* Returns:
* The value that the dialog proc should return, based on the processing
* of the specific WM_COMMAND message received.
\*****************************************************************************/
BOOL CALLBACK
MessagesDlgProc(
HWND hwnd,
UINT msg,
WPARAM wParam,
LPARAM lParam
)
{
switch (msg)
{
case WM_INITDIALOG:
MessagesInit(hwnd);
return TRUE;
case WM_COMMAND:
return MessagesCommand(hwnd, LOWORD(wParam), HIWORD(wParam));
}
return FALSE;
}
/*****************************************************************************\
* MessagesInit
*
* Initializes the messages dialog.
*
* Arguments:
* HWND hwnd - Dialog window handle.
*
* Returns:
* VOID
\*****************************************************************************/
PRIVATE VOID
MessagesInit(
HWND hwnd
)
{
HWND hwndList;
INT i;
INT j;
INT iSel;
PMSGDESC pmd;
for (j = 0; j < gcMsgGroups; j++)
gaMsgGroup[j].cUseCount = 0;
hwndList = GetDlgItem(hwnd, DID_MSGSLIST);
for (i = 0, pmd = gaMsgs; i < gcMessages; i++, pmd++)
{
iSel = (INT)SendMessage(hwndList, LB_ADDSTRING, 0, (LPARAM)pmd->pszMsg);
SendMessage(hwndList, LB_SETITEMDATA, iSel, (LPARAM)pmd);
if (pmd->Flags & MTF_SELECTED)
{
SendMessage(hwndList, LB_SETSEL, TRUE, iSel);
for (j = 0; j < gcMsgGroups; j++)
{
if (gaMsgGroup[j].flMask & pmd->Flags)
gaMsgGroup[j].cUseCount++;
}
}
}
//
// Set the selection rectangle to the first item in the listbox.
//
SendMessage(hwndList, LB_SETCARETINDEX, 0, FALSE);
//
// Loop through all the message groups.
//
for (j = 0; j < gcMsgGroups; j++)
{
//
// Is at least one message in the group selected?
//
if (gaMsgGroup[j].cUseCount)
{
//
// Check the corresponding checkbox. If all messages
// in the group are selected, the checkbox is checked.
// If only some are selected, the checkbox is set to
// grayed (3-state).
//
CheckDlgButton(hwnd, gaMsgGroup[j].idCheckBox,
(gaMsgGroup[j].cUseCount == gaMsgGroup[j].cMsgs) ? 1 : 2);
}
}
if (gfMsgsUser)
CheckDlgButton(hwnd, DID_MSGSUSER, 1);
if (gfMsgsUnknown)
CheckDlgButton(hwnd, DID_MSGSUNKNOWN, 1);
gcItemsSave = SendMessage(hwndList, LB_GETSELITEMS,
gcMessages, (LPARAM)gaiSelected);
}
/*****************************************************************************\
* MessagesCommand
*
* Handles the WM_COMMAND messages for the Messages dialog.
*
* Arguments:
* HWND hwnd - Window handle of the dialog.
* INT nCmd - Command value.
* INT nNotifyCode - The notify code.
*
* Returns:
* The value that the dialog proc should return, based on the processing
* of the specific WM_COMMAND message received.
*
\*****************************************************************************/
PRIVATE BOOL
MessagesCommand(
HWND hwnd,
INT nCmd,
INT nNotifyCode
)
{
INT i;
INT j;
PMSGGROUP pmg;
PMSGDESC pmd;
BOOL fChecked;
HWND hwndList;
INT cItems;
BOOL fSel;
INT iSel;
INT cSelItemsMax;
INT iTopIndex;
switch (nCmd)
{
case DID_MSGSLIST:
if (nNotifyCode == LBN_SELCHANGE)
{
hwndList = GetDlgItem(hwnd, DID_MSGSLIST);
cItems = SendMessage(hwndList, LB_GETSELITEMS,
gcMessages, (LPARAM)gaiSelected2);
if (cItems == gcItemsSave)
{
//
// Nothing changed except for the selection
// rectangle moving. We are done.
//
break;
}
if (cItems > gcItemsSave)
{
//
// A message was selected. Look for it.
//
for (i = 0; i < gcItemsSave &&
gaiSelected[i] == gaiSelected2[i]; i++)
;
iSel = gaiSelected2[i];
fSel = TRUE;
}
else
{
//
// A message was unselected. Look for it.
//
for (i = 0; i < cItems &&
gaiSelected[i] == gaiSelected2[i]; i++)
;
iSel = gaiSelected[i];
fSel = FALSE;
}
//
// Get the currently selected item. It was either
// just turned on or off.
//
pmd = (PMSGDESC)SendMessage(hwndList, LB_GETITEMDATA, iSel, 0);
//
// Loop through the message groups and update the use
// counts for all groups that contain this message.
//
for (i = 0; i < gcMsgGroups; i++)
{
if (pmd->Flags & gaMsgGroup[i].flMask)
{
gaMsgGroup[i].cUseCount += fSel ? 1 : -1;
}
}
//
// Be sure that the checkboxes reflect the updated
// status of the message group use counts.
//
MessagesUpdateCheckBoxes(hwnd);
//
// Save away the new selected item array.
//
cSelItemsMax = max(cItems, gcItemsSave);
for (i = 0; i < cSelItemsMax; i++)
{
gaiSelected[i] = gaiSelected2[i];
}
gcItemsSave = cItems;
}
break;
case DID_MSGSALL:
hwndList = GetDlgItem(hwnd, DID_MSGSLIST);
SendMessage(hwndList, LB_SETSEL, TRUE, (LPARAM)-1);
for (i = 0; i < gcMsgGroups; i++)
{
gaMsgGroup[i].cUseCount = gaMsgGroup[i].cMsgs;
CheckDlgButton(hwnd, gaMsgGroup[i].idCheckBox, 1);
}
gcItemsSave = SendMessage(hwndList, LB_GETSELITEMS, gcMessages,
(LPARAM)gaiSelected);
CheckDlgButton(hwnd, DID_MSGSUSER, 1);
CheckDlgButton(hwnd, DID_MSGSUNKNOWN, 1);
break;
case DID_MSGSNONE:
hwndList = GetDlgItem(hwnd, DID_MSGSLIST);
SendMessage(hwndList, LB_SETSEL, FALSE, (LPARAM)-1);
for (i = 0; i < gcMsgGroups; i++)
{
gaMsgGroup[i].cUseCount = 0;
CheckDlgButton(hwnd, gaMsgGroup[i].idCheckBox, 0);
}
gcItemsSave = 0;
CheckDlgButton(hwnd, DID_MSGSUSER, 0);
CheckDlgButton(hwnd, DID_MSGSUNKNOWN, 0);
break;
case DID_MSGSDDE:
case DID_MSGSCLIP:
case DID_MSGSMOUSE:
case DID_MSGSNC:
case DID_MSGSKEYBD:
case DID_MSGSBM:
case DID_MSGSCB:
case DID_MSGSEM:
case DID_MSGSLB:
case DID_MSGSSTM:
for (i = 0; i < gcMsgGroups; i++)
{
if (gaMsgGroup[i].idCheckBox == nCmd)
{
pmg = &gaMsgGroup[i];
break;
}
}
fChecked = IsDlgButtonChecked(hwnd, pmg->idCheckBox);
if (fChecked == 1)
fChecked = FALSE;
else
fChecked = TRUE;
hwndList = GetDlgItem(hwnd, DID_MSGSLIST);
if (fChecked)
{
SendMessage(hwndList, WM_SETREDRAW, FALSE, 0);
iTopIndex = SendMessage(hwndList, LB_GETTOPINDEX, 0, 0);
}
//
// Get the list of currently selected items.
//
cItems = SendMessage(hwndList, LB_GETSELITEMS,
gcMessages, (LPARAM)gaiSelected);
//
// Look for all the messages in this group.
//
for (i = 0, iSel = 0; i < gcMessages; i++)
{
pmd = (PMSGDESC)SendMessage(hwndList, LB_GETITEMDATA, i, 0);
if (pmd->Flags & pmg->flMask)
{
//
// Bump up through the list of selected items, looking
// to see if this item is currently selected.
//
for (fSel = FALSE; iSel < cItems &&
gaiSelected[iSel] <= i; iSel++)
{
//
// A match was found. The item is selected.
//
if(gaiSelected[iSel] == i)
{
fSel = TRUE;
break;
}
}
//
// Is the current selection state of the item
// different from the desired selection state?
//
if (fSel != fChecked)
{
//
// Update the use counts of all groups that contain
// this message.
//
for (j = 0; j < gcMsgGroups; j++)
{
if (pmd->Flags & gaMsgGroup[j].flMask)
{
gaMsgGroup[j].cUseCount += fChecked ? 1 : -1;
}
}
//
// Select/deselect the message in the list box.
//
SendMessage(hwndList, LB_SETSEL, fChecked, i);
}
}
}
//
// Be sure that the checkboxes reflect the updated
// status of the message group use counts.
//
MessagesUpdateCheckBoxes(hwnd);
if (fChecked)
{
SendMessage(hwndList, LB_SETTOPINDEX, iTopIndex, 0);
SendMessage(hwndList, WM_SETREDRAW, TRUE, 0);
InvalidateRect(hwndList, NULL, FALSE);
}
gcItemsSave = SendMessage(hwndList, LB_GETSELITEMS,
gcMessages, (LPARAM)gaiSelected);
break;
case IDOK:
hwndList = GetDlgItem(hwnd, DID_MSGSLIST);
cItems = SendMessage(hwndList, LB_GETSELITEMS,
gcMessages, (LPARAM)gaiSelected);
//
// Unselect all messages.
//
for (i = 0; i < gcMessages; i++)
gaMsgs[i].Flags &= ~MTF_SELECTED;
//
// Mark all the messages that are selected.
//
for (i = 0; i < cItems; i++)
{
pmd = (PMSGDESC)SendMessage(hwndList, LB_GETITEMDATA,
gaiSelected[i], 0);
pmd->Flags |= MTF_SELECTED;
}
if (IsDlgButtonChecked(hwnd, DID_MSGSUSER))
gfMsgsUser = TRUE;
else
gfMsgsUser = FALSE;
if (IsDlgButtonChecked(hwnd, DID_MSGSUNKNOWN))
gfMsgsUnknown = TRUE;
else
gfMsgsUnknown = FALSE;
#if 0 //Debug code!
for (i = 0; i < gcMsgGroups; i++)
{
iSel = 0;
for (j = 0; j < cItems; j++)
{
pmd = (PMSGDESC)SendMessage(hwndList, LB_GETITEMDATA,
gaiSelected[j], 0);
if (pmd->Flags & gaMsgGroup[i].flMask)
iSel++;
}
if (iSel != gaMsgGroup[i].cUseCount)
{
DbgPrintf("Use counts are wrong!!!");
for (j = 0; j < gcMsgGroups; j++)
{
DbgPrintf("cMsgs:%d Use:%d", gaMsgGroup[j].cMsgs, gaMsgGroup[j].cUseCount);
}
}
}
#endif // end debug code
EndDialog(hwnd, IDOK);
return TRUE;
case IDCANCEL:
EndDialog(hwnd, IDCANCEL);
return TRUE;
}
return FALSE;
}
/*****************************************************************************\
* MessagesUpdateCheckBoxes
*
* Updates the message group checkboxes in the Messages dialog.
* This routine should be called when the use counts in the
* message group table are changed, so that the state of the
* checkboxes will get updated also.
*
* Arguments:
* HWND hwnd - Dialog window handle.
*
* Returns:
* VOID
\*****************************************************************************/
PRIVATE VOID
MessagesUpdateCheckBoxes(
HWND hwnd
)
{
INT i;
INT fState;
for (i = 0; i < gcMsgGroups; i++)
{
if (gaMsgGroup[i].cUseCount == gaMsgGroup[i].cMsgs)
fState = 1;
else if (gaMsgGroup[i].cUseCount == 0)
fState = 0;
else
fState = 2;
CheckDlgButton(hwnd, gaMsgGroup[i].idCheckBox, fState);
}
}
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