guicheck.c File Reference

#include <win32k.h>

Include dependency graph for guicheck.c:

Go to the source code of this file.

Functions
static BOOL FASTCALL	co_AddGuiApp (PPROCESSINFO W32Data)
static void FASTCALL	RemoveGuiApp (PPROCESSINFO W32Data)
BOOL FASTCALL	co_IntGraphicsCheck (BOOL Create)
VOID FASTCALL	co_IntUserManualGuiCheck (BOOL Create)

Variables
static LONG	NrGuiAppsRunning = 0

Function Documentation

co_AddGuiApp()

static BOOL FASTCALL co_AddGuiApp ( PPROCESSINFO  W32Data )

static

Definition at line 22 of file guicheck.c.

{
    W32Data->W32PF_flags |= W32PF_CREATEDWINORDC;
    if (InterlockedIncrement(&NrGuiAppsRunning) == 1)
    {
        BOOL Initialized;
 
        Initialized = co_IntInitializeDesktopGraphics();
 
        if (!Initialized)
        {
            W32Data->W32PF_flags &= ~W32PF_CREATEDWINORDC;
            InterlockedDecrement(&NrGuiAppsRunning);
            return FALSE;
        }
    }
    return TRUE;
}

Referenced by co_IntGraphicsCheck(), and co_IntUserManualGuiCheck().

co_IntGraphicsCheck()

BOOL FASTCALL co_IntGraphicsCheck

(

BOOL

Create

)

Definition at line 52 of file guicheck.c.

{
    PPROCESSINFO W32Data;
 
    W32Data = PsGetCurrentProcessWin32Process();
    if (Create)
    {
        if (!(W32Data->W32PF_flags & W32PF_CREATEDWINORDC) && !(W32Data->W32PF_flags & W32PF_MANUALGUICHECK))
        {
            return co_AddGuiApp(W32Data);
        }
    }
    else
    {
        if ((W32Data->W32PF_flags & W32PF_CREATEDWINORDC) && !(W32Data->W32PF_flags & W32PF_MANUALGUICHECK))
        {
            RemoveGuiApp(W32Data);
        }
    }
 
    return TRUE;
}

Referenced by DceCreateDisplayDC(), and UserProcessDestroy().

co_IntUserManualGuiCheck()

VOID FASTCALL co_IntUserManualGuiCheck

(

BOOL

Create

)

Definition at line 77 of file guicheck.c.

{
    PPROCESSINFO W32Data = (PPROCESSINFO)PsGetCurrentProcessWin32Process();
    W32Data->W32PF_flags |= W32PF_MANUALGUICHECK;
 
    if (Create)
    {
        co_AddGuiApp(W32Data);
    }
    else
    {
        RemoveGuiApp(W32Data);
    }
}

Referenced by co_UserCreateWindowEx(), and co_UserFreeWindow().

RemoveGuiApp()

static void FASTCALL RemoveGuiApp ( PPROCESSINFO  W32Data )

static

Definition at line 42 of file guicheck.c.

{
    W32Data->W32PF_flags &= ~W32PF_CREATEDWINORDC;
    if (InterlockedDecrement(&NrGuiAppsRunning) == 0)
    {
        IntEndDesktopGraphics();
    }
}

Referenced by co_IntGraphicsCheck(), and co_IntUserManualGuiCheck().

Variable Documentation

NrGuiAppsRunning

LONG NrGuiAppsRunning = 0

static

Definition at line 17 of file guicheck.c.

Referenced by co_AddGuiApp(), and RemoveGuiApp().