windows-nt/Source/XPSP1/NT/shell/osshell/progman/taskman.c
2020-09-26 16:20:57 +08:00

930 lines
26 KiB
C

/*++
Copyright (c) 1992 Microsoft Corporation
Module Name:
taskman.c
Abstract:
This file contains the source for the windows Task Manager.
Taskman basically is a dialog box, which enumerates active windows
keep in the user window manager, then sets active focus to the selected
dialog box element(ie active window).
--*/
// Has to be unicode because InternalGetWindowText
// user routine is strictly so.
#include "taskman.h"
#include "progman.h"
#include "security.h"
//#ifdef FE_IME // 2-Jun-92, by eichim
#include <winnls32.h>
//#endif
#include <port1632.h>
extern HINSTANCE hAppInstance;
#define MAXPATHFIELD 260
TCHAR szTMPathField[MAXPATHFIELD];
TCHAR szTMDirField[MAXPATHFIELD];
TCHAR szTMTitle[MAXPATHFIELD];
TCHAR szTMMessage[MAXMSGBOXLEN];
TCHAR szTMUserHomeDir[MAXPATHFIELD];
TCHAR szTMWindowsDirectory[MAXPATHFIELD];
TCHAR szTMOOMExitMsg[64];
TCHAR szTMOOMExitTitle[32];
VOID SetDefButton(HWND hwndDlg, INT idButton);
// registry key for groups
BOOL bChangedDefaultButton;
INT MyX = 0;
INT MyY = 0;
BOOL fMsgBox = FALSE;
VOID
HideWindow(HWND hwnd)
{
if (!fMsgBox) {
if (!fNoRun) {
SetDlgItemText(ghwndTMDialog, IDD_TMPATH, TEXT(""));
}
// redundant? why do they do the reverse twice for show below?
ShowWindow(ghwndTMDialog, SW_HIDE);
SetWindowPos(ghwndTMDialog, HWND_NOTOPMOST, 0, 0, 0, 0,
SWP_HIDEWINDOW | SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE);
// Erase dark border from depressed pushbuttons
SendMessage(GetDlgItem(hwnd, IDCANCEL), // IDCANCEL
BM_SETSTYLE, BS_PUSHBUTTON, MAKELPARAM(TRUE, 0));
SendMessage(GetDlgItem(hwnd, IDD_TERMINATE),
BM_SETSTYLE, BS_PUSHBUTTON, MAKELPARAM(TRUE, 0));
SendMessage(GetDlgItem(hwnd, IDD_CASCADE),
BM_SETSTYLE, BS_PUSHBUTTON, MAKELPARAM(TRUE, 0));
SendMessage(GetDlgItem(hwnd, IDD_TILE),
BM_SETSTYLE, BS_PUSHBUTTON, MAKELPARAM(TRUE, 0));
SendMessage(GetDlgItem(hwnd, IDD_ARRANGEICONS),
BM_SETSTYLE, BS_PUSHBUTTON, MAKELPARAM(TRUE, 0));
}
}
/*
* We call HideTasklist() when we want to remove the tasklist window
* from the screen but not select another window (ie. when we're about
* to select another app. We call ShowWindow(SW_HIDE) directly when
* we're doing something like tiling or cascading so a window other than
* the tasklist will become the foreground window.
*/
VOID HideTasklist(VOID)
{
if (!fNoRun) {
SetDlgItemText(ghwndTMDialog, IDD_TMPATH, TEXT(""));
}
SetWindowPos(ghwndTMDialog, HWND_TOP, 0, 0, 0, 0, SWP_HIDEWINDOW |
SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER);
}
VOID ShowTasklist(
POINT pt)
{
if (!fMsgBox) {
/*
* Retract the drop down listbox.
*/
if (!fNoRun) {
SendDlgItemMessage(ghwndTMDialog, IDD_TMPATH,
CB_SHOWDROPDOWN,0,0);
}
SetWindowPos(ghwndTMDialog, HWND_TOPMOST, pt.x, pt.y, 0, 0,
SWP_NOSIZE | SWP_NOACTIVATE );
//
// WinCim disables the Taskman window which make it behave strangely on NT
//
EnableWindow(ghwndTMDialog, TRUE);
SetForegroundWindow(ghwndTMDialog);
ShowWindow(ghwndTMDialog, SW_NORMAL);
}
}
/*** ActivateSelectedWindow -- Calls user, to set active window, selected
* by the user.
*
*
* ActivateSelectedWindow(HWND hwndLB)
*
* ENTRY - HWND hwndLB - handle to window, which is to become the active
* window, with focus.
* EXIT -
* SYNOPSIS - This function takes the hwnd passed into it, calls user
* to set active focus to that window.
* WARNINGS -
* EFFECTS -
*
*/
VOID ActivateSelectedWindow(
HWND hwndLB)
{
INT nIndex;
HWND hwndT;
HWND hwndLastActive;
DWORD lTemp;
/*
* Get the hwnd of the item which was selected.
*/
nIndex = (int)SendMessage(hwndLB, LB_GETCURSEL, 0, 0);
hwndT = (HWND)SendMessage(hwndLB, LB_GETITEMDATA, nIndex, 0);
if (!IsWindow(hwndT)) {
/*
* We gotta make sure the window is valid before doing stuff with it.
* An app may terminate itself in the background rendering these
* window handles invalid.
*/
goto Beep;
}
/*
* Switch to that task.
* HACK! Activate the window in the hwndLastActive field of the WndStruct.
*/
hwndLastActive = GetLastActivePopup(hwndT);
if (!IsWindow(hwndLastActive)) {
goto Beep;
}
/*
* But only if it isn't disabled.
*/
lTemp = GetWindowLong(hwndLastActive, GWL_STYLE);
if (!(lTemp & WS_DISABLED)) {
/*
* HACK!! Use SwitchToThisWindow() to bring dialog parents as well.
*/
SwitchToThisWindow(hwndLastActive, TRUE);
} else {
Beep:
MessageBeep(0);
}
}
/*** DoEndTask --
*
* void DoEndTask( HWND hwnd )
*/
VOID DoEndTask(
HWND hwnd )
{
TCHAR szMsgBoxText[MAXMSGBOXLEN];
TCHAR szTempField[MAXTASKNAMELEN];
INT nch;
DWORD dwProcessId = 0;
/*
* We don't want to let someone do an EndTask on progman or EndTask of
* a EndTask dialog (which would make progman die)
*/
GetWindowThreadProcessId(hwnd, &dwProcessId);
if (dwProcessId == GetCurrentProcessId()) {
MessageBeep(MB_OK);
return;
}
if (!EndTask(hwnd, FALSE, FALSE)) {
/* App does not want to close, ask user if
* he wants to blow it away
*/
InternalGetWindowText(hwnd, szTempField, MAXTASKNAMELEN);
/* Load the message box string, it is very long (greater than 255 chars
* which is why we load it in two pieces
*/
nch = LoadString(NULL, IDS_MSGBOXSTR1, szMsgBoxText, MAXMSGBOXLEN);
LoadString(NULL, IDS_MSGBOXSTR2, &szMsgBoxText[nch], MAXMSGBOXLEN-nch);
if( MessageBox( NULL, szMsgBoxText, szTempField,
MB_SETFOREGROUND | MB_SYSTEMMODAL | MB_YESNO ) == IDYES) {
EndTask(hwnd, FALSE, TRUE);
}
}
}
/*** CallEndTask -- A separate thread to instigate EndTask
*
* CallEndTask( HWND hwnd );
*
* ENTRY - HWND hwnd - window handle for the task to be killed
* EXIT -
* SYNOPSIS - This function calls EndTask on the given window to kill the
* task that owns that window.
*
* WARNINGS -
* EFFECTS - Kills the task that owns hwnd.
*
*/
DWORD CallEndTask(
HWND hwnd)
{
DoEndTask(hwnd);
return 0;
}
/*** TaskmanDlgProc -- Dialog Procedure for Taskman Window
*
*
*
* TaskmanDlgProc(HWND hDlg, WORD wMSG, DWORD wParam, LPARAM lparam)
*
* ENTRY - HWND hhDlg - handle to dialog box.
* WORD wMsg - message to be acted upon.
* DWORD wParam - value specific to wMsg.
* LPARAM lparam - value specific to wMsg.
*
* EXIT - True if success, False if not.
* SYNOPSIS - Dialog box message processing function.
*
* WARNINGS -
* EFFECTS -
*
*/
INT_PTR TaskmanDlgProc(
HWND hwnd,
UINT wMsg,
WPARAM wParam,
LPARAM lparam)
{
int nIndex;
RECT rc;
HWND hwndLB;
HWND hwndNext;
TCHAR szTempField[MAXTASKNAMELEN];
POINT pt;
HKEY hKey;
DWORD dwDisp;
DWORD dwDataType, dwMaxFiles=INIT_MAX_FILES, dwMaxFilesSize, dwCount;
TCHAR szFileEntry[20];
TCHAR szFullPath[MAXPATHFIELD];
hwndLB = GetDlgItem(hwnd, IDD_TASKLISTBOX);
switch (wMsg) {
case WM_INITDIALOG:
/*
* call private api to mark task man as a system app. This causes
* it to be killed after all other non-system apps during shutdown.
*/
GetWindowRect(hwnd, &rc);
dxTaskman = rc.right - rc.left;
dyTaskman = rc.bottom - rc.top;
dxScreen = GetSystemMetrics(SM_CXSCREEN);
dyScreen = GetSystemMetrics(SM_CYSCREEN);
pt.x = (dxScreen - dxTaskman) / 2;
pt.y = (dyScreen - dyTaskman) / 2;
SetWindowPos(hwnd, HWND_NOTOPMOST, pt.x, pt.y, 0, 0,
SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE);
SendDlgItemMessage(hwnd, IDD_TMPATH, EM_LIMITTEXT, MAXPATHFIELD-4, 0L);
szTMPathField[0] = TEXT('\0');
bChangedDefaultButton = FALSE;
return FALSE;
case WM_SHOWWINDOW:
/*
* If we're being shown fill in the listbox. We do this here
* rather than in WM_ACTIVATE process so we can do it while the
* dialog is still invisible.
*/
if (wParam != 0) {
/*
* First delete any previous entries.
*/
while ((int)SendMessage(hwndLB, LB_DELETESTRING, 0, 0) != LB_ERR);
/*
* Search the window list for enabled top level windows.
*/
hwndNext = GetWindow(hwnd, GW_HWNDFIRST);
while (hwndNext) {
/*
* Only add non-owned, visible, non-Taskman, Top Level Windows.
*/
if ((hwndNext != hwnd) && (IsWindowVisible(hwndNext)) &&
(!GetWindow(hwndNext, GW_OWNER))) {
if (InternalGetWindowText(hwndNext, szTempField, MAXTASKNAMELEN )) {
nIndex = (int)SendMessage(hwndLB, LB_ADDSTRING, 0,
(LPARAM)(LPTSTR)szTempField);
SendMessage(hwndLB, LB_SETITEMDATA, nIndex,
(LPARAM)hwndNext);
}
}
hwndNext = GetWindow(hwndNext, GW_HWNDNEXT);
}
SendMessage(hwndLB, LB_SETCURSEL, 0, 0);
//
// Set the default button to "Switch To"
//
SetDefButton(hwnd,IDD_SWITCH);
//
// Load the combobox with the recently used files.
//
if (GetDlgItem(hwnd, IDD_TMPATH)) {
//
// FIrst empty the combo box from the last time.
//
SendDlgItemMessage (hwnd, IDD_TMPATH,
CB_RESETCONTENT, 0, 0);
//
// Load the combobox with recently used files from the registry.
//
// Query the max number of files first.
//
if (RegCreateKeyEx (HKEY_CURRENT_USER, FILES_KEY, 0, 0,
REG_OPTION_NON_VOLATILE, KEY_READ | KEY_WRITE,
NULL, &hKey, &dwDisp) == ERROR_SUCCESS) {
if (dwDisp == REG_OPENED_EXISTING_KEY) {
//
// Query the max number of entries
//
dwMaxFilesSize = sizeof (DWORD);
if (RegQueryValueEx (hKey, MAXFILES_ENTRY, NULL, &dwDataType,
(LPBYTE)&dwMaxFiles, &dwMaxFilesSize) == ERROR_SUCCESS) {
//
// Now Query each entry and add it to the list box.
//
for (dwCount=0; dwCount < dwMaxFiles; dwCount++) {
wsprintf (szFileEntry, FILE_ENTRY, dwCount);
dwMaxFilesSize = MAXPATHFIELD+1;
if (RegQueryValueEx (hKey, szFileEntry, NULL, &dwDataType,
(LPBYTE) szFullPath, &dwMaxFilesSize) == ERROR_SUCCESS) {
//
// Found an entry. Add it to the combo box.
//
SendDlgItemMessage (hwnd, IDD_TMPATH,
CB_ADDSTRING, 0,
(LPARAM)szFullPath);
} else {
break;
}
}
}
} else {
//
// We are working with a new key, so we need to
// set the default number of files.
//
RegSetValueEx (hKey, MAXFILES_ENTRY, 0, REG_DWORD,
(CONST BYTE *) &dwMaxFiles, sizeof (DWORD));
}
//
// Close the registry key
//
RegCloseKey (hKey);
}
}
//
// Disable the Run button and set the focus to the
// listbox.
//
EnableWindow(GetDlgItem(hwnd, IDD_RUN), FALSE);
SetFocus(hwndLB);
}
break;
case WM_ACTIVATE:
/*
* If we're being deactivated clear the listbox so we
* can fill it in afresh when we're re-activated.
*/
if (wParam == 0) {
/*
* If we're not already invisible, hide ourself.
*/
if (IsWindowVisible(hwnd)) {
HideWindow(hwnd);
}
}
if (!bChangedDefaultButton) {
SetDefButton(hwnd,IDD_SWITCH);
}
break;
case WM_ACTIVATEAPP:
if (wParam)
return FALSE;
/*
* If we are not visible when we get this message it is because
* we are already in the process of terminating. If we don't
* ignore this we get into a weird race condition and the frame
* of the window being activated doesn't get fully drawn. (BG)
*/
if (IsWindowVisible(hwnd)) {
HideWindow(hwnd);
}
break;
case WM_WININICHANGE:
//
// Check if the user's environment variables have changed, if so
// regenerate the environment, so that new apps started from
// taskman will have the latest environment.
//
if (lparam && (!lstrcmpi((LPTSTR)lparam, (LPTSTR) TEXT("Environment")))) {
PVOID pEnv;
RegenerateUserEnvironment(&pEnv, TRUE);
break;
}
else {
return FALSE;
}
case MYCBN_SELCHANGE:
if (!fNoRun) {
if (GetDlgItemText(hwnd, IDD_TMPATH, (LPTSTR)szTMPathField, MAXPATHFIELD)) {
EnableWindow(GetDlgItem(hwnd, IDD_RUN), TRUE);
if (!bChangedDefaultButton) {
SetDefButton (hwnd, IDD_RUN);
bChangedDefaultButton = TRUE;
}
} else {
EnableWindow(GetDlgItem(hwnd, IDD_RUN), FALSE);
if (bChangedDefaultButton) {
SetDefButton (hwnd, IDD_SWITCH);
bChangedDefaultButton = FALSE;
}
}
}
break;
case WM_COMMAND:
switch(LOWORD(wParam)) {
case IDD_TASKLISTBOX:
switch(HIWORD(wParam)) {
case LBN_DBLCLK:
HideTasklist();
ActivateSelectedWindow(hwndLB);
break;
//#ifdef FE_IME // 2-Jun-92, by eichim
// {
// NOTE: bOpen should be TRUE and the ime should be disabled
// for the tasklistbox but when we tab to the edit control it
// needs to be enabled.
case LBN_SETFOCUS:
WINNLSEnableIME((HWND)NULL, FALSE);
break;
case LBN_KILLFOCUS:
WINNLSEnableIME((HWND)NULL, TRUE);
break;
// }
//#endif // FE_IME
default:
// Always change the default button to Switch when we tab to
// the task listbox
//
if (!fNoRun) {
if (bChangedDefaultButton) {
SetDefButton (hwnd, IDD_SWITCH);
bChangedDefaultButton = FALSE;
}
}
return FALSE;
}
break;
case IDD_TMPATH:
PostMessage (hwnd, MYCBN_SELCHANGE, 0, 0);
break;
case IDOK:
if (!bChangedDefaultButton) {
goto Switchem;
}
case IDD_RUN:
if (!fNoRun) {
TCHAR szFilename[MAXPATHFIELD];
WORD ret;
BOOL bMinOnRunSave;
//
// Run this app in the user's home directory
//
SetCurrentDirectory(szOriginalDirectory);
GetDlgItemText(hwnd, IDD_TMPATH, szTMPathField, MAXPATHFIELD);
DoEnvironmentSubst(szTMPathField, MAXPATHFIELD);
GetDirectoryFromPath(szTMPathField, szTMDirField);
if (*szTMDirField) {
// Convert path into a .\foo.exe style thing.
lstrcpy(szFilename, TEXT(".\\"));
// Tag the filename and params on to the end of the dot slash.
GetFilenameFromPath(szTMPathField, szFilename+2);
if (*(szFilename+2) == TEXT('"') ) {
SheRemoveQuotes(szFilename+2);
CheckEscapes(szFilename, CharSizeOf(szFilename));
}
}
else {
GetFilenameFromPath(szTMPathField, szFilename);
}
//
// Don't minimize ProgMan when exec'ing a program from taskman.
//
bMinOnRunSave = bMinOnRun;
bMinOnRun = FALSE;
ret = ExecProgram(szFilename, szTMDirField, szFilename, FALSE, 0, 0, 0);
//
// Reset Minimized on Run
//
bMinOnRun = bMinOnRunSave;
//
// reset Progman's working directory.
//
SetCurrentDirectory(szWindowsDirectory);
if (ret) {
fMsgBox = TRUE;
MyMessageBox( hwnd, IDS_EXECERRTITLE, ret, szTMPathField,
MB_SYSTEMMODAL | MB_OK | MB_ICONEXCLAMATION );
fMsgBox = FALSE;
SetFocus(GetDlgItem(hwnd, IDD_TMPATH));
} else {
GetDlgItemText(hwnd, IDD_TMPATH, szTMPathField, MAXPATHFIELD);
SaveRecentFileList (hwnd, szTMPathField, IDD_TMPATH);
HideWindow(hwnd);
}
}
break;
Switchem:
case IDD_SWITCH:
HideTasklist();
ActivateSelectedWindow(hwndLB);
break;
case IDCANCEL:
HideWindow(hwnd);
break;
case IDD_TERMINATE:
/*
* Get the hwnd of the item which was selected.
*/
nIndex = (int)SendMessage(hwndLB, LB_GETCURSEL, 0, 0);
hwndNext = (HWND)SendMessage(hwndLB, LB_GETITEMDATA, nIndex, 0);
if (!IsWindow(hwndNext)) {
HideWindow(hwnd);
MessageBeep(0);
break;
}
{
/* Always activate the window first. This prevents
* apps from going to Beep mode. Failing to do this
* can cause re-entrancy problems in the app if we
* do this again before activating the app.
*
* However, don't do this if it is a old app task.
*/
#ifdef WIN16 /* if NTWIN, then always do this, as is no winoldapp */
if (!IsWinoldapTask(GetTaskFromHwnd(hwndNext)))
#endif
HideWindow(hwnd);
ActivateSelectedWindow(hwndLB);
{
DWORD idt;
HANDLE hThread;
hThread = CreateThread(NULL, 0,
(LPTHREAD_START_ROUTINE)CallEndTask,
(LPVOID)hwndNext, 0,
&idt);
if (hThread == NULL) {
/*
* Can not create thread, just call EndTask
* syncronously
*/
DoEndTask( hwndNext );
} else {
CloseHandle(hThread);
}
}
}
break;
case IDD_TILE:
case IDD_CASCADE:
{
HWND hwndDesktop;
HideWindow(hwnd);
hwndDesktop = GetDesktopWindow();
if (wParam == IDD_CASCADE) {
CascadeChildWindows(hwndDesktop, 0);
} else {
/*
* If shift is down, tile vertically, else horizontally.
*/
TileChildWindows(hwndDesktop, ((GetKeyState(VK_SHIFT) &
0x8000) ? MDITILE_HORIZONTAL : MDITILE_VERTICAL));
}
break;
}
case IDD_ARRANGEICONS:
/*
* Let's restore the saved bits before ArrangeIcons
* FIX for Bug #4884; --SANKAR-- 10-02-89
*/
HideWindow(hwnd);
ArrangeIconicWindows(GetDesktopWindow());
break;
}
break;
case WM_CLOSE:
/*
* If wParam != 0, this is a shutdown request, so exit.
*/
if (wParam != 0)
ExitProcess(0);
return FALSE;
break;
case WM_HOTKEY:
if (wParam == 1) {
pt.x = (dxScreen - dxTaskman) / 2;
pt.y = (dyScreen - dyTaskman) / 2;
ShowTasklist(pt);
}
break;
case WM_LOGOFF:
PostQuitMessage(0);
break;
default:
return FALSE;
}
return TRUE;
}
//*************************************************************
//
// SetDefButton()
//
// Purpose: Sets the default button
//
// Parameters: HWND hDlg - Window handle of dialog box
// INT idButton - ID of button
//
// Return: void
//
//*************************************************************
VOID SetDefButton(HWND hwndDlg, INT idButton)
{
LRESULT lr;
if (HIWORD(lr = SendMessage(hwndDlg, DM_GETDEFID, 0, 0)) == DC_HASDEFID)
{
HWND hwndOldDefButton = GetDlgItem(hwndDlg, LOWORD(lr));
SendMessage (hwndOldDefButton,
BM_SETSTYLE,
MAKEWPARAM(BS_PUSHBUTTON, 0),
MAKELPARAM(TRUE, 0));
}
SendMessage( hwndDlg, DM_SETDEFID, idButton, 0L );
SendMessage( GetDlgItem(hwndDlg, idButton),
BM_SETSTYLE,
MAKEWPARAM( BS_DEFPUSHBUTTON, 0 ),
MAKELPARAM( TRUE, 0 ));
}
BOOL
InitTaskman()
{
WNDCLASS wc;
/*
* First set the priority of taskman so it is higher than foreground apps
* that spin in loops - this way it'll always come up when you hit
* ctrl-esc.
*/
SetPriorityClass(GetCurrentProcess(), HIGH_PRIORITY_CLASS);
wc.style = 0;
wc.lpfnWndProc = DefDlgProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = DLGWINDOWEXTRA;
wc.hInstance = hAppInstance;
wc.hIcon = LoadIcon(hAppInstance, MAKEINTRESOURCE(PROGMANICON));
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = NULL;
wc.lpszMenuName = NULL;
wc.lpszClassName = TEXT("TakoHachi");
RegisterClass(&wc);
{
//
// Set the working set size to 200k.
//
QUOTA_LIMITS QuotaLimits;
NTSTATUS status;
status = NtQueryInformationProcess( NtCurrentProcess(),
ProcessQuotaLimits,
&QuotaLimits,
sizeof(QUOTA_LIMITS),
NULL );
if (NT_SUCCESS(status)) {
QuotaLimits.MinimumWorkingSetSize = 300 * 1024;
QuotaLimits.MaximumWorkingSetSize = 372 * 1024;
NtSetInformationProcess( NtCurrentProcess(),
ProcessQuotaLimits,
&QuotaLimits,
sizeof(QUOTA_LIMITS) );
}
}
/*
* Taskman will work in the windows directory, and switch to the
* original directory (home directory) before execing programs.
* This is to prevent weird popups if a UNC original directory is
* disconnected.
*/
GetCurrentDirectory(MAXPATHFIELD, szTMUserHomeDir);
GetWindowsDirectory(szTMWindowsDirectory, MAXPATHFIELD);
SetCurrentDirectory(szTMWindowsDirectory);
if (fNoRun) {
ghwndTMDialog = CreateDialog(hAppInstance, MAKEINTRESOURCE(WMPTASKMANDLG), NULL,
TaskmanDlgProc);
} else {
ghwndTMDialog = CreateDialog(hAppInstance, MAKEINTRESOURCE(PWRTASKMANDLG), NULL,
TaskmanDlgProc);
}
if (ghwndTMDialog == NULL)
return(FALSE);
LoadString(hAppInstance, IDS_OOMEXITTITLE, szTMOOMExitTitle, 32);
LoadString(hAppInstance, IDS_OOMEXITMSG, szTMOOMExitMsg, 64);
if (!RegisterHotKey(ghwndTMDialog, 1, MOD_CONTROL, VK_ESCAPE) ||
!RegisterTasklist(ghwndTMDialog)) {
DestroyWindow(ghwndTMDialog);
return(FALSE);
}
return(TRUE);
}
VOID
TMMain()
{
MSG msg;
LPSTR lpszCmdLine = NULL;
int nCmdShow = SW_SHOWNORMAL;
if (InitTaskman()) {
while (GetMessage(&msg, (HWND)NULL, (UINT)0, (UINT)0)) {
if (!IsDialogMessage(ghwndTMDialog, &msg)) {
if ((msg.message == WM_SYSCOMMAND) && (msg.wParam == SC_TASKLIST)) {
POINT pt;
GetCursorPos(&pt);
pt.x = max(pt.x - (dyTaskman / 2), 0);
pt.x = min(pt.x, dxScreen - dxTaskman);
pt.y = max(pt.y - (GetSystemMetrics(SM_CYCAPTION) * 2), 0);
pt.y = min(pt.y, dyScreen - dyTaskman);
ShowTasklist(pt);
continue;
} else {
//
// We need to have a regular message loop in order
// to handle the DDE messages generated by spawning
// an application via an association.
//
TranslateMessage (&msg);
DispatchMessage (&msg);
}
}
}
}
}