twain32_main.c File Reference

#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "twain.h"
#include "twain_i.h"
#include "wine/debug.h"

Include dependency graph for twain32_main.c:

Go to the source code of this file.

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (twain)
BOOL WINAPI	DllMain (HINSTANCE hinstance, DWORD reason, LPVOID reserved)
static activeDS *	TWAIN_LookupSource (const TW_IDENTITY *pDest)
static TW_UINT16	TWAIN_SourceManagerHandler (pTW_IDENTITY pOrigin, TW_UINT16 DAT, TW_UINT16 MSG, TW_MEMREF pData)
TW_UINT16 WINAPI	DSM_Entry (pTW_IDENTITY pOrigin, pTW_IDENTITY pDest, TW_UINT32 DG, TW_UINT16 DAT, TW_UINT16 MSG, TW_MEMREF pData)

Variables
TW_UINT16	DSM_twCC
activeDS *	activeSources
HINSTANCE	DSM_hinstance

Function Documentation

DllMain()

BOOL WINAPI DllMain	(	HINSTANCE	hinstance,
		DWORD	reason,
		LPVOID	reserved
	)

Definition at line 36 of file twain32_main.c.

{
    TRACE("%p,%x,%p\n", hinstance, reason, reserved);
 
    switch (reason)
    {
        case DLL_PROCESS_ATTACH:
            DisableThreadLibraryCalls(hinstance);
            DSM_hinstance = hinstance;
            break;
        case DLL_PROCESS_DETACH:
            break;
    }
    return TRUE;
}

DSM_Entry()

TW_UINT16 WINAPI DSM_Entry	(	pTW_IDENTITY	pOrigin,
		pTW_IDENTITY	pDest,
		TW_UINT32	DG,
		TW_UINT16	DAT,
		TW_UINT16	MSG,
		TW_MEMREF	pData
	)

Definition at line 152 of file twain32_main.c.

{
    TW_UINT16 twRC = TWRC_SUCCESS;  /* Return Code */
 
    TRACE("(DG=%d DAT=%d MSG=%d)\n", DG, DAT, MSG);
 
    if (DG == DG_CONTROL && DAT == DAT_NULL)
    {
        activeDS *pSource = TWAIN_LookupSource (pOrigin);
        if (!pSource)
        {
            ERR("No source associated with pSource %p\n", pDest);
            DSM_twCC = TWCC_BADPROTOCOL;
            return TWRC_FAILURE;
        }
 
        return TWAIN_ControlNull (pOrigin, pDest, pSource, MSG, pData);
    }
 
    if (pDest)
    {
        activeDS *pSource = TWAIN_LookupSource (pDest);
    /* This operation's destination is a source */
 
        if (!pSource) {
        ERR("No source associated with pDest %p\n", pDest);
        DSM_twCC = TWCC_BADDEST;
        return TWRC_FAILURE;
    }
 
        if (DG == DG_CONTROL && DAT == DAT_EVENT && MSG == MSG_PROCESSEVENT)
        {
            twRC = TWAIN_ProcessEvent(pOrigin, pSource, pData);
            if (twRC == TWRC_DSEVENT)
                return twRC;
        }
 
        if (DG == DG_CONTROL && DAT == DAT_USERINTERFACE &&
            (MSG == MSG_ENABLEDS || MSG == MSG_ENABLEDSUIONLY) &&
            pData != NULL)
        {
            pSource->ui_window = ((TW_USERINTERFACE*)pData)->hParent;
        }
 
    DSM_twCC = TWCC_SUCCESS;
        TRACE("Forwarding %d/%d/%d/%p to DS.\n", DG, DAT, MSG, pData);
    twRC = pSource->dsEntry(pOrigin, DG, DAT, MSG, pData);
    TRACE("return value is %d\n", twRC);
    return twRC;
    }
    switch (DG)
    {
        case DG_CONTROL:
            twRC = TWAIN_SourceManagerHandler (pOrigin, DAT, MSG, pData);
            break;
        default:
            FIXME("The DSM does not handle DG %d\n", DG);
            DSM_twCC = TWCC_BADPROTOCOL;
            twRC = TWRC_FAILURE;
    }
    return twRC;
}

TWAIN_LookupSource()

static activeDS * TWAIN_LookupSource ( const TW_IDENTITY *  pDest )

static

Definition at line 54 of file twain32_main.c.

{
    activeDS *pSource;
 
    for (pSource = activeSources; pSource; pSource = pSource->next)
        if (pSource->identity.Id == pDest->Id)
            break;
    return pSource;
}

Referenced by DSM_Entry().

TWAIN_SourceManagerHandler()

static TW_UINT16 TWAIN_SourceManagerHandler ( pTW_IDENTITY  pOrigin, TW_UINT16  DAT, TW_UINT16  MSG, TW_MEMREF  pData  )

static

Definition at line 64 of file twain32_main.c.

{
    TW_UINT16 twRC = TWRC_SUCCESS;
 
    switch (DAT)
    {
        case DAT_IDENTITY:
            switch (MSG)
            {
                case MSG_CLOSEDS:
                    twRC = TWAIN_CloseDS (pOrigin, pData);
                    break;
 
                case MSG_GETDEFAULT:
                    twRC = TWAIN_IdentityGetDefault (pOrigin, pData);
                    break;
 
                case MSG_GETFIRST:
                    twRC = TWAIN_IdentityGetFirst (pOrigin, pData);
                    break;
 
                case MSG_GETNEXT:
                    twRC = TWAIN_IdentityGetNext (pOrigin, pData);
                    break;
 
                case MSG_OPENDS:
                    twRC = TWAIN_OpenDS (pOrigin, pData);
                    break;
 
                case MSG_USERSELECT:
                    twRC = TWAIN_UserSelect (pOrigin, pData);
                    break;
 
                default:
                    /* Unrecognized operation triplet */
                    twRC = TWRC_FAILURE;
                    DSM_twCC = TWCC_BADPROTOCOL;
                    WARN("unrecognized operation triplet\n");
                    break;
            }
            break;
 
        case DAT_PARENT:
            switch (MSG)
            {
                case MSG_CLOSEDSM:
                    twRC = TWAIN_CloseDSM (pOrigin, pData);
                    break;
 
                case MSG_OPENDSM:
                    twRC = TWAIN_OpenDSM (pOrigin, pData);
                    break;
 
                default:
                    /* Unrecognized operation triplet */
                    twRC = TWRC_FAILURE;
                    DSM_twCC = TWCC_BADPROTOCOL;
                    WARN("unrecognized operation triplet\n");
            }
            break;
 
        case DAT_STATUS:
            if (MSG == MSG_GET) {
                twRC = TWAIN_GetDSMStatus (pOrigin, pData);
            } else {
                twRC = TWRC_FAILURE;
                DSM_twCC = TWCC_BADPROTOCOL;
                WARN("unrecognized operation triplet\n");
            }
            break;
 
        default:
            twRC = TWRC_FAILURE;
            DSM_twCC = TWCC_BADPROTOCOL;
            WARN("unrecognized operation triplet\n");
            break;
    }
 
    return twRC;
}

Referenced by DSM_Entry().

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

twain

)

Variable Documentation

activeSources

activeDS* activeSources

Definition at line 33 of file twain32_main.c.

Referenced by TWAIN_CloseDS(), TWAIN_CloseDSM(), TWAIN_LookupSource(), and TWAIN_OpenDS().

DSM_hinstance

HINSTANCE DSM_hinstance

Definition at line 34 of file twain32_main.c.

Referenced by DllMain(), and TWAIN_UserSelect().

DSM_twCC

TW_UINT16 DSM_twCC

Definition at line 32 of file twain32_main.c.

Referenced by DSM_Entry(), TWAIN_CloseDS(), TWAIN_CloseDSM(), TWAIN_ControlNull(), TWAIN_GetDSMStatus(), TWAIN_IdentityGetDefault(), TWAIN_IdentityGetFirst(), TWAIN_IdentityGetNext(), TWAIN_OpenDS(), TWAIN_OpenDSM(), TWAIN_SourceManagerHandler(), and TWAIN_UserSelect().