/* Handle breakpoints - we expect to see breakpoints in the dynamic linker
* (which we set ourselves) as well as profiler marks (embedded in the
* profiled application's code).
*/
static bool ProcessBreakpoint( pid_t pid, u_long ip )
{
static int ld_state = RT_CONSISTENT; // This ought to be per-pid
int ptrace_sig = 0;
#if defined( MD_x86 )
user_regs_struct regs;
// on x86, when breakpoint was hit the EIP points to the next
// instruction, so we must be careful
ptrace( PTRACE_GETREGS, pid, NULL, ®s );
if( ip == Rdebug.r_brk + sizeof( opcode_type ) ) {
#elif defined( MD_ppc )
if( ip == Rdebug.r_brk ) {
#endif
opcode_type brk_opcode = BRKPOINT;
int status;
int ret;
/* The dynamic linker breakpoint was hit, meaning that
* libraries are being loaded or unloaded. This gets a bit
* tricky because we must restore the original code that was
* at the breakpoint and execute it, but we still want to
* keep the breakpoint.
*/
if( WriteMem( pid, &saved_opcode, Rdebug.r_brk, sizeof( saved_opcode ) ) != sizeof( saved_opcode ) )
printf( "WriteMem() #1 failed\n" );
ReadMem( pid, &Rdebug, (addr_off)DbgRdebug, sizeof( Rdebug ) );
dbg_printf( "ld breakpoint hit, state is " );
switch( Rdebug.r_state ) {
case RT_ADD:
dbg_printf( "RT_ADD\n" );
AddLibrary( pid, Rdebug.r_map );
ld_state = RT_ADD;
break;
case RT_DELETE:
dbg_printf( "RT_DELETE\n" );
ld_state = RT_DELETE;
break;
case RT_CONSISTENT:
dbg_printf( "RT_CONSISTENT\n" );
if( ld_state == RT_DELETE )
RemoveLibrary( pid, Rdebug.r_map );
ld_state = RT_CONSISTENT;
break;
default:
dbg_printf( "error!\n" );
break;
}
#if defined( MD_x86 )
regs.eip--;
ptrace( PTRACE_SETREGS, pid, NULL, ®s );
#endif
// unset breakpoint, single step, re-set breakpoint
if( ptrace( PTRACE_SINGLESTEP, pid, NULL, (void *)ptrace_sig ) < 0 )
perror( "ptrace()" );
do { // have to loop since SIGALRM can interrupt us here
ret = waitpid( pid, &status, 0 );
} while( (ret < 0) && (errno == EINTR) );
if( ret == -1)
perror( "waitpid()" );
if( WriteMem( pid, &brk_opcode, Rdebug.r_brk, sizeof( brk_opcode ) ) != sizeof( brk_opcode ) )
dbg_printf( "WriteMem() #2 failed with errno %d for pid %d, %d bytes (at %p)!\n", errno, pid, sizeof( brk_opcode ), Rdebug.r_brk );
return( true ); // indicate this was our breakpoint
} else {
dbg_printf( "Not an ld breakpoint, assuming mark\n" );
#if defined( MD_x86 )
return( ProcessMark( pid, ®s ) );
#endif
}
return( false );
}
/*
* Real time signal (SIGALRM) handler. All we really need to do is wake up
* periodically to interrupt waitpid(), the signal handler need not do much
* at all.
*/
static void alarm_handler( int signo )
{
TimerTicked = true;
}
/* Install periodic real time alarm signal */
static void InstSigHandler( int msec_period )
{
struct sigaction sigalrm;
struct itimerval timer;
sigalrm.sa_handler = (void *)alarm_handler;
sigemptyset( &sigalrm.sa_mask );
sigalrm.sa_flags = 0;
sigaction( SIGALRM, &sigalrm, NULL );
timer.it_interval.tv_sec = 0;
timer.it_interval.tv_usec = msec_period * 1000;
timer.it_value.tv_sec = 0;
timer.it_value.tv_usec = msec_period * 1000;
if( setitimer( ITIMER_REAL, &timer, NULL ) ) {
InternalError( MsgArray[MSG_SAMPLE_6 - ERR_FIRST_MESSAGE] );
}
}
/*
* Main sampler loop. We run the profiled application under the control of
* ptrace(). The sampler installs a SIGALRM handler which ticks at the desired
* rate. Whenever the SIGALRM interrupts our own waitpid(), we send a SIGSTOP
* to the profiled app and when the child app notifies us of the SIGSTOP, we
* remember the current execution point and continue the profiled app. Note
* that we may miss some ticks but this is not a problem - the ticks don't
* even need to be regular to provide usable results.
*/
static void SampleLoop( pid_t pid )
{
static int ptrace_sig = 0;
static bool do_cont = true;
int status;
user_regs_struct regs;
bool sample_continue = true;
int ret;
opcode_type brk_opcode = BRKPOINT;
TimerTicked = false;
InstSigHandler( SleepTime );
do {
if( do_cont && ptrace( PTRACE_CONT, pid, NULL, (void *)ptrace_sig ) == -1)
perror( "ptrace()" );
ret = waitpid( pid, &status, 0 );
if( (ret < 0) && (errno == EINTR) ) {
/* did we get woken up by SIGALRM? */
if( TimerTicked ) {
TimerTicked = false;
/* interrupt child process - next waitpid() will see this */
kill( pid, SIGSTOP );
} else {
dbg_printf( "who the hell interrupted waitpid()?\n" );
}
do_cont = false;
continue;
}
if( ret < 0 )
perror( "waitpid()" );
do_cont = true;
/* record current execution point */
#if defined( MD_x86 )
ptrace( PTRACE_GETREGS, pid, NULL, ®s );
#elif defined( MD_ppc )
regs.eip = ptrace( PTRACE_PEEKUSER, pid, REGSIZE * PT_NIP, NULL );
#endif
if( WIFSTOPPED( status ) ) {
/* If debuggee has dynamic section, try getting the r_debug struct
* every time the child process stops. The r_debug data may not be
* available immediately after the child process first loads.
*/
if( !HaveRdebug && (DbgDyn != NULL) ) {
if( Get_ld_info( pid, DbgDyn, &Rdebug, &DbgRdebug ) ) {
AddLibrary( pid, Rdebug.r_map );
HaveRdebug = true;
/* Set a breakpoint in dynamic linker. That way we can be
* informed on dynamic library load/unload events.
*/
ReadMem( pid, &saved_opcode, Rdebug.r_brk, sizeof( saved_opcode ) );
dbg_printf( "setting ld breakpoint at %p, old opcode was %X\n", Rdebug.r_brk, saved_opcode );
WriteMem( pid, &brk_opcode, Rdebug.r_brk, sizeof( brk_opcode ) );
}
}
sample_continue = false;
switch( (ptrace_sig = WSTOPSIG( status )) ) {
case SIGSEGV:
dbg_printf( "SIGSEGV at %p\n", regs.eip );
sample_continue = true;
break;
case SIGILL:
dbg_printf( "SIGILL at %p\n", regs.eip );
sample_continue = true;
break;
case SIGABRT:
dbg_printf( "SIGABRT at %p\n", regs.eip );
sample_continue = true;
break;
case SIGINT:
dbg_printf( "SIGINT at %p\n", regs.eip );
sample_continue = true;
break;
case SIGTRAP:
dbg_printf( "SIGTRAP at %p\n", regs.eip );
if( ProcessBreakpoint( pid, regs.eip ) ) {
// don't pass on SIGTRAP if we expected this breakpoint
ptrace_sig = 0;
}
sample_continue = true;
break;
case SIGSTOP:
/* presumably we were behind this SIGSTOP */
RecordSample( regs.eip, 1 );
ptrace_sig = 0;
sample_continue = true;
break;
default:
/* all other signals get passed down to the child and we let
* the child handle them (or not handle and die)
*/
sample_continue = true;
break;
}
} else if( WIFEXITED( status ) ) {
dbg_printf( "WIFEXITED pid %d\n", pid );
report();
sample_continue = false;
} else if( WIFSIGNALED( status ) ) {
dbg_printf( "WIFSIGNALED pid %d\n", pid );
report();
sample_continue = false;
}
} while( sample_continue );
}
static int GetExeNameFromPid( pid_t pid, char *buffer, int max_len )
{
char procfile[24];
int len;
sprintf( procfile, "/proc/%d/exe", pid );
len = readlink( procfile, buffer, max_len );
if( len < 0 )
len = 0;
buffer[len] = '\0';
return( len );
}
/*
* WindowProc - main window message handler
*/
LONG CALLBACK MainWindowProc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
{
WORD cmd;
about_info ai;
HMENU mh;
CommunicationBuffer *dbginfo;
switch ( msg ) {
case WM_CREATE:
setupSystemMenu( hwnd );
MainLBox = CreateListBox( hwnd );
mh = GetMenu( hwnd );
if( ConfigData.auto_attatch ) {
CheckMenuItem( mh, MENU_AUTO_ATTATCH, MF_BYCOMMAND | MF_CHECKED );
}
if( ConfigData.continue_exception ) {
CheckMenuItem( mh, MENU_EXCEPTION_CONTINUE,
MF_BYCOMMAND | MF_CHECKED );
}
LBPrintf( MainLBox, STR_DRNT_STARTED, AppName );
break;
case WM_SIZE:
MoveListBox( MainLBox, 0, 0, LOWORD( lparam ), HIWORD( lparam ) );
ClearAlert();
break;
case WM_SYSCOMMAND:
switch( wparam ) {
case MENU_LOG_CURRENT_STATE:
case MENU_LOG_OPTIONS:
case MENU_TASK_CTL:
SendMessage( hwnd, WM_COMMAND, wparam, 0 );
break;
default:
return( DefWindowProc( hwnd, msg, wparam, lparam ) );
}
break;
case WM_COMMAND:
cmd = LOWORD( wparam );
switch( cmd ) {
case LISTBOX_1:
break;
case MENU_EXCEPTION_CONTINUE:
ConfigData.continue_exception = !ConfigData.continue_exception;
mh = GetMenu( hwnd );
if( ConfigData.continue_exception ) {
CheckMenuItem( mh, MENU_EXCEPTION_CONTINUE,
MF_BYCOMMAND | MF_CHECKED );
} else {
CheckMenuItem( mh, MENU_EXCEPTION_CONTINUE,
MF_BYCOMMAND | MF_UNCHECKED );
}
break;
case MENU_LOG_VIEW:
ViewLog();
break;
case MENU_NEW_TASK:
CallProcCtl( MENU_NEW_TASK, NULL, NULL );
break;
case MENU_AUTO_ATTATCH:
ConfigData.auto_attatch = ! ConfigData.auto_attatch;
mh = GetMenu( hwnd );
if( ConfigData.auto_attatch ) {
CheckMenuItem( mh, MENU_AUTO_ATTATCH,
MF_BYCOMMAND | MF_CHECKED );
} else {
CheckMenuItem( mh, MENU_AUTO_ATTATCH,
MF_BYCOMMAND | MF_UNCHECKED );
}
break;
case MENU_SHOW_DIP_STATUS:
ShowDIPStatus( hwnd );
break;
case MENU_CLEAR:
ClearListBox( MainLBox );
break;
case MENU_SAVE_AS:
SaveListBox( SLB_SAVE_AS, SaveExtra, "", AppName, hwnd,
GetListBoxHwnd( MainLBox ) );
break;
case MENU_SAVE:
SaveListBox( SLB_SAVE_TMP, SaveExtra, ".\\drwat.txt", AppName,
hwnd, GetListBoxHwnd( MainLBox ) );
break;
case MENU_FONT:
if( ChooseMonoFont( hwnd ) ) {
SetListBoxFont( MainLBox );
}
break;
case MENU_MARK:
ProcessMark( hwnd, Instance, MarkPrint );
break;
case MENU_ABOUT:
ai.owner = hwnd;
ai.inst = Instance;
ai.name = AllocRCString( STR_ABOUT_NAME );
ai.version = AllocRCString( STR_ABOUT_VERSION );
ai.first_cr_year = "1993";
ai.title = AllocRCString( STR_ABOUT_TITLE );
DoAbout( &ai );
FreeRCString( ai.name );
FreeRCString( ai.version );
FreeRCString( ai.title );
break;
case MENU_HELP_CONTENTS:
if( !WHtmlHelp( hwnd, DR_CHM_FILE, HELP_CONTENTS, 0 ) ) {
WWinHelp( hwnd, DR_HELP_FILE, HELP_CONTENTS, 0 );
}
break;
case MENU_HELP_SRCH:
if( !WHtmlHelp( hwnd, DR_CHM_FILE, HELP_PARTIALKEY, (HELP_DATA)"" ) ) {
WWinHelp( hwnd, DR_HELP_FILE, HELP_PARTIALKEY, (HELP_DATA)"" );
}
break;
case MENU_HELP_ON_HELP:
WWinHelp( hwnd, HELP_HELP_FILE, HELP_HELPONHELP, 0 );
break;
case MENU_TASK_CTL:
DisplayProcList();
break;
case MENU_LOG_CURRENT_STATE:
MakeLog( NULL );
break;
case MENU_ERASE_LOG_FILE:
EraseLog();
break;
case MENU_LOG_OPTIONS:
SetLogOptions( hwnd );
break;
case MENU_EXIT:
SendMessage( hwnd, WM_CLOSE, 0, 0L );
break;
default:
MessageBox( hwnd, "This function is not yet available",
AppName, MB_OK );
break;
}
break;
case DR_DEBUG_EVENT:
dbginfo = (CommunicationBuffer *)lparam;
dbginfo->action = DebugEventHandler( &dbginfo->dbginfo );
break;
case WM_COPYDATA:
{
COPYDATASTRUCT *copydata;
copydata = (COPYDATASTRUCT *)lparam;
ProcessCommandLine( copydata->lpData );
}
break;
case WM_CLOSE:
if( QueryEnd( hwnd ) ) {
SendMessage( hwnd, WM_DESTROY, 0, 0L );
}
break;
case WM_DESTROY:
FiniListBox( MainLBox );
PutProfileInfo();
DestroyMonoFonts();
WWinHelp( hwnd, DR_HELP_FILE, HELP_QUIT, 0 );
PostQuitMessage( 0 );
break;
default:
return( DefWindowProc( hwnd, msg, wparam, lparam ) );
}
return( 0L );
} /* WindowProc */
/*
* SpyWindowProc - handle messages for the spy appl.
*/
LRESULT CALLBACK SpyWindowProc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
{
int check;
HWND selwin;
HWND hinthwnd;
WORD cmdid = 0;
RECT area;
BOOL pausestate;
BOOL spyallstate;
about_info ai;
HMENU mh;
switch ( msg ) {
case WM_CREATE:
GetClientRect( hwnd, &area );
mh = GetMenu( hwnd );
area.top = area.bottom - statusHite;
StatusHdl = HintWndCreate( hwnd, &area, Instance, NULL );
statusHite = SizeHintBar( StatusHdl );
SetHintText( StatusHdl, (MenuItemHint *)menuHints,
sizeof( menuHints ) / sizeof( MenuItemHint ) );
if( SpyMainWndInfo.show_hints ) {
CheckMenuItem( mh, SPY_SHOW_HELP, MF_CHECKED | MF_BYCOMMAND );
} else {
hinthwnd = GetHintHwnd( StatusHdl );
ShowWindow( hinthwnd, SW_HIDE );
}
CreateSpyBox( hwnd );
SET_WNDINFO( hwnd, (LONG_PTR)SpyListBox );
CreateSpyTool( hwnd );
ShowSpyTool( SpyMainWndInfo.show_toolbar );
if( SpyMainWndInfo.show_toolbar ) {
CheckMenuItem( mh, SPY_SHOW_TOOLBAR, MF_CHECKED | MF_BYCOMMAND );
}
LogInit( hwnd, Instance, SpyLogTitle );
CheckMenuItem( SpyMenu, SPY_AUTO_SCROLL, MF_CHECKED );
EnableMenuItem( SpyMenu, SPY_ADD_WINDOW, MF_GRAYED );
EnableMenuItem( SpyMenu, SPY_STOP, MF_GRAYED );
EnableMenuItem( SpyMenu, SPY_OFFON, MF_GRAYED );
if( SpyMainWndInfo.on_top ) {
CheckMenuItem( mh, SPY_TOP, MF_CHECKED | MF_BYCOMMAND );
SetWindowPos( hwnd, HWND_TOPMOST, 0, 0, 0, 0,
SWP_NOMOVE | SWP_NOSIZE );
}
break;
case WM_TIMER:
// See comment on setUpForPick
KillTimer( hwnd, wparam );
switch( wparam ) {
case SPY_ADD_WINDOW:
selwin = DoPickDialog( wparam );
if( selwin != NULL ) {
setMultipleWindows( hwnd );
AddSelectedWindow( selwin );
}
break;
case SPY_PEEK_WINDOW:
DoPickDialog( wparam );
break;
case SPY_WINDOW:
selwin = DoPickDialog( cmdid );
if( selwin != NULL ) {
ClearSelectedWindows();
setSingleWindow( hwnd, selwin );
enableSpy();
AddSelectedWindow( selwin );
}
break;
}
break;
#ifdef __NT__
case WM_COPYDATA:
HandleMessage( (LPMSG)((COPYDATASTRUCT *)lparam)->lpData );
break;
#endif
case WM_MENUSELECT:
hinthwnd = GetHintHwnd( StatusHdl );
HintMenuSelect( StatusHdl, hwnd, wparam, lparam );
break;
case WM_COMMAND:
cmdid = LOWORD( wparam );
switch( cmdid ) {
case SPY_SHOW_HELP:
SpyMainWndInfo.show_hints = !SpyMainWndInfo.show_hints;
mh = GetMenu( hwnd );
hinthwnd = GetHintHwnd( StatusHdl );
if( SpyMainWndInfo.show_hints ) {
CheckMenuItem( mh, SPY_SHOW_HELP, MF_CHECKED | MF_BYCOMMAND );
showHintBar( hwnd );
} else {
CheckMenuItem( mh, SPY_SHOW_HELP, MF_UNCHECKED | MF_BYCOMMAND );
ShowWindow( hinthwnd, SW_HIDE );
}
GetClientRect( hwnd, &area );
ResizeSpyBox( area.right - area.left, area.bottom - area.top );
break;
case SPY_SHOW_TOOLBAR:
SpyMainWndInfo.show_toolbar = !SpyMainWndInfo.show_toolbar;
mh = GetMenu( hwnd );
if( SpyMainWndInfo.show_toolbar ) {
CheckMenuItem( mh, SPY_SHOW_TOOLBAR, MF_CHECKED | MF_BYCOMMAND );
} else {
CheckMenuItem( mh, SPY_SHOW_TOOLBAR, MF_UNCHECKED | MF_BYCOMMAND );
}
ShowSpyTool( SpyMainWndInfo.show_toolbar );
GetClientRect( hwnd, &area );
ResizeSpyBox( area.right - area.left, area.bottom - area.top );
break;
case SPY_TOP:
SpyMainWndInfo.on_top = !SpyMainWndInfo.on_top;
mh = GetMenu( hwnd );
if( SpyMainWndInfo.on_top ) {
CheckMenuItem( mh, SPY_TOP, MF_CHECKED | MF_BYCOMMAND );
SetWindowPos( hwnd, HWND_TOPMOST, 0, 0, 0, 0,
SWP_NOMOVE | SWP_NOSIZE );
} else {
CheckMenuItem( mh, SPY_TOP, MF_UNCHECKED | MF_BYCOMMAND );
SetWindowPos( hwnd, HWND_NOTOPMOST, 0, 0, 0, 0,
SWP_NOMOVE | SWP_NOSIZE );
}
break;
case SPY_MARK:
pausestate = SpyMessagesPaused;
SpyMessagesPaused = FALSE; /* make sure marks are
* always added */
ProcessMark( hwnd, Instance, markCallback );
SpyMessagesPaused = pausestate;
break;
case SPY_SET_FONT:
if( ChooseMonoFont( hwnd ) ) {
statusHite = SizeHintBar( StatusHdl );
ResetSpyListBox();
showHintBar( hwnd );
}
break;
case SPY_SAVE_AS:
SaveListBox( SLB_SAVE_AS, SaveExtra, "", SpyName, hwnd, SpyListBox );
break;
case SPY_SAVE:
SaveListBox( SLB_SAVE_TMP, SaveExtra, ".\\wspy.txt", SpyName, hwnd,
SpyListBox );
break;
case SPY_LOG:
if( LogToggle() ) {
CheckMenuItem( SpyMenu, SPY_LOG, MF_BYCOMMAND | MF_CHECKED );
} else {
CheckMenuItem( SpyMenu, SPY_LOG, MF_BYCOMMAND | MF_UNCHECKED );
CheckMenuItem( SpyMenu, SPY_PAUSE_LOG, MF_BYCOMMAND | MF_UNCHECKED );
}
break;
case SPY_CONFIG_LOG:
LogConfigure();
break;
case SPY_EXIT:
ClearFilter();
DestroyWindow( hwnd );
break;
case SPY_LIST_BOX:
switch( GET_WM_COMMAND_CMD( wparam, lparam ) ) {
case LBN_ERRSPACE:
ClearSpyBox();
break;
case LBN_DBLCLK:
DoMessageSelDialog( hwnd );
break;
}
break;
case SPY_SHOW_SELECTED_WINDOWS:
spyallstate = spyAll;
DoShowSelectedDialog( hwnd, &spyallstate );
if( spyallstate ) {
doSpyAll( hwnd, spyallstate );
if( spyAll ) {
SetSpyState( ON );
}
break;
}
if( WindowCount == 0 ) {
SetWindowText( hwnd, SpyName );
disableSpy();
break;
}
if( WindowCount == 1 ) {
setSingleWindow( hwnd, WindowList[0] );
} else {
setMultipleWindows( hwnd );
}
if( SpyState == NEITHER ) {
enableSpy();
}
break;
case SPY_HELP_CONTENTS:
if( !WHtmlHelp( hwnd, "spy.chm", HELP_CONTENTS, 0 ) ) {
WWinHelp( hwnd, "spy.hlp", HELP_CONTENTS, 0 );
}
break;
case SPY_HELP_SRCH:
if( !WHtmlHelp( hwnd, "spy.chm", HELP_PARTIALKEY, (HELP_DATA)"" ) ) {
WWinHelp( hwnd, "spy.hlp", HELP_PARTIALKEY, (HELP_DATA)"" );
}
break;
case SPY_HELP_ON_HELP:
WWinHelp( hwnd, "winhelp.hlp", HELP_HELPONHELP, 0 );
break;
case SPY_ABOUT:
ai.owner = hwnd;
ai.inst = Instance;
ai.name = AllocRCString( STR_ABOUT_NAME );
ai.version = AllocRCString( STR_ABOUT_VERSION );
ai.first_cr_year = "1993";
ai.title = AllocRCString( STR_ABOUT_TITLE );
DoAbout( &ai );
FreeRCString( ai.name );
FreeRCString( ai.version );
FreeRCString( ai.title );
break;
case SPY_AUTO_SCROLL:
if( SpyMessagesAutoScroll ) {
SpyMessagesAutoScroll = FALSE;
CheckMenuItem( SpyMenu, SPY_AUTO_SCROLL, MF_UNCHECKED );
} else {
SpyMessagesAutoScroll = TRUE;
CheckMenuItem( SpyMenu, SPY_AUTO_SCROLL, MF_CHECKED );
}
break;
case SPY_PAUSE_LOG:
if( SpyLogPauseToggle() ) {
CheckMenuItem( SpyMenu, SPY_PAUSE_LOG,
MF_BYCOMMAND | MF_CHECKED );
} else {
CheckMenuItem( SpyMenu, SPY_PAUSE_LOG,
MF_BYCOMMAND | MF_UNCHECKED );
}
break;
case SPY_PAUSE_MESSAGES:
SpyMessagePauseToggle();
break;
case SPY_CLEAR_MESSAGES:
ClearSpyBox();
ClearMessageCount();
break;
case SPY_MESSAGES_ASCFG:
if( AutoSaveConfig ) {
check = MF_UNCHECKED;
AutoSaveConfig = FALSE;
} else {
AutoSaveConfig = TRUE;
check = MF_CHECKED;
}
CheckMenuItem( SpyMenu, SPY_MESSAGES_ASCFG, check );
break;
case SPY_MESSAGES_SAVE:
DoSaveSpyConfig();
break;
case SPY_MESSAGES_LOAD:
DoLoadSpyConfig();
break;
case SPY_MESSAGES_WATCH:
case SPY_MESSAGES_STOP:
DoMessageDialog( hwnd, cmdid );
break;
case SPY_OFFON:
if( SpyState != NEITHER ) {
SetSpyState( !SpyState );
}
break;
case SPY_STOP:
disableSpy();
ClearSelectedWindows();
SetWindowText( hwnd, SpyName );
break;
case SPY_ANOTHER_WINDOW:
if( SpyState == NEITHER || spyAll ) {
SendMessage( hwnd, WM_COMMAND,
GET_WM_COMMAND_MPS( SPY_WINDOW, 0, 0 ) );
} else {
SendMessage( hwnd, WM_COMMAND,
GET_WM_COMMAND_MPS( SPY_ADD_WINDOW, 0, 0 ) );
}
break;
case SPY_PEEK_WINDOW:
case SPY_ADD_WINDOW:
case SPY_WINDOW:
setUpForPick( hwnd, cmdid );
break;
case SPY_ALL_WINDOWS:
doSpyAll( hwnd, !spyAll );
if( spyAll ) {
SetSpyState( ON );
}
break;
}
break;
#ifdef __NT__
case WM_NOTIFY:
if( ((NMHDR *)lparam)->code == NM_DBLCLK &&
((NMHDR *)lparam)->idFrom == SPY_LIST_BOX ) {
DoMessageSelDialog( hwnd );
}
break;
#endif
case WM_CLOSE:
PostMessage( hwnd, WM_COMMAND, GET_WM_COMMAND_MPS( SPY_EXIT, 0, 0 ) );
break;
case WM_ENDSESSION:
if( wparam ) {
SpyFini();
}
break;
case WM_DESTROY:
HintWndDestroy( StatusHdl );
HintFini();
StatusWndFini();
DestroyMonoFonts();
DestroySpyTool();
WWinHelp( hwnd, "spy.hlp", HELP_QUIT, 0 );
PostQuitMessage( 0 );
break;
case WM_MOVE:
GetWindowRect( hwnd, &area );
if( !SpyMainWndInfo.minimized ) {
SpyMainWndInfo.last_xpos = SpyMainWndInfo.xpos;
SpyMainWndInfo.last_ypos = SpyMainWndInfo.ypos;
SpyMainWndInfo.xpos = area.left;
SpyMainWndInfo.ypos = area.top;
}
break;
case WM_SIZE:
if( wparam != SIZE_MAXIMIZED && wparam != SIZE_MINIMIZED ) {
GetWindowRect( hwnd, &area );
SpyMainWndInfo.xsize = area.right - area.left;
SpyMainWndInfo.ysize = area.bottom - area.top;
} else {
SpyMainWndInfo.xpos = SpyMainWndInfo.last_xpos;
SpyMainWndInfo.ypos = SpyMainWndInfo.last_ypos;
}
SpyMainWndInfo.minimized = ( wparam == SIZE_MINIMIZED );
GetClientRect( hwnd, &area );
area.top = area.bottom - statusHite;
hinthwnd = GetHintHwnd( StatusHdl );
MoveWindow( hinthwnd, area.left, area.top,
area.right - area.left, statusHite, TRUE );
ResizeSpyBox( LOWORD( lparam ), HIWORD( lparam ) );
ResizeSpyTool( LOWORD( lparam ), HIWORD( lparam ) );
showHintBar( hwnd );
return( DefWindowProc( hwnd, msg, wparam, lparam ) );
break;
#if defined( __NT__ )
case WM_ERASEBKGND: {
static RECT r;
GetClientRect( hwnd, &r );
FillRect( (HDC)wparam, &r, (HBRUSH)(COLOR_BTNFACE + 1) );
return 1;
}
#endif
default:
return( DefWindowProc( hwnd, msg, wparam, lparam ) );
}
return( 0 );
} /* SpyWindowProc */
