371 lines
12 KiB
C++
371 lines
12 KiB
C++
/****************************************************************************/
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// acmapi.c
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//
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// Cursor manager
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//
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// Copyright (C) 1997-1999 Microsoft Corp.
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/****************************************************************************/
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#include <adcg.h>
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extern "C" {
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#define TRC_GROUP TRC_GROUP_CORE
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#define TRC_FILE "cmapi"
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#include <atrcapi.h>
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}
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#include "cm.h"
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#include "autil.h"
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#include "cd.h"
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#include "ih.h"
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CCM::CCM(CObjs* objs)
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{
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_pClientObjects = objs;
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}
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CCM::~CCM()
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{
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}
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/****************************************************************************/
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/* Name: CM_Init */
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/* */
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/* Purpose: Cursor Manager initialization */
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/****************************************************************************/
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DCVOID DCAPI CCM::CM_Init(DCVOID)
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{
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DC_BEGIN_FN("CM_Init");
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_pUt = _pClientObjects->_pUtObject;
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_pUh = _pClientObjects->_pUHObject;
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_pCd = _pClientObjects->_pCdObject;
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_pIh = _pClientObjects->_pIhObject;
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_pUi = _pClientObjects->_pUiObject;
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DC_MEMSET(&_CM, 0, sizeof(_CM));
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#if !defined(OS_WINCE) || defined(OS_WINCEATTACHTHREADINPUT)
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#ifdef OS_WIN32
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/************************************************************************/
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/* Attach input */
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/************************************************************************/
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if (!AttachThreadInput(GetCurrentThreadId(),
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GetWindowThreadProcessId(_pUi->UI_GetUIContainerWindow(),
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NULL),
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TRUE))
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{
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TRC_ALT((TB, _T("Failed AttachThreadInput")));
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}
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#endif
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#endif // !defined(OS_WINCE) || defined(OS_WINCEATTACHTHREADINPUT)
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DC_END_FN();
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} /* CM_Init */
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/****************************************************************************/
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/* Name: CM_Enable */
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/* */
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/* Purpose: Enables _CM. */
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/****************************************************************************/
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DCVOID DCAPI CCM::CM_Enable(ULONG_PTR unused)
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{
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#ifdef DC_DEBUG
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DCINT i;
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#endif
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DC_BEGIN_FN("CM_Enable");
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DC_IGNORE_PARAMETER(unused);
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#ifdef DC_DEBUG
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/************************************************************************/
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/* Check that cursor cache is empty */
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/************************************************************************/
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for (i = 0; i < CM_CURSOR_CACHE_SIZE; i++)
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{
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if (_CM.cursorCache[i] != NULL) {
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TRC_ERR((TB, _T("Cursor cache not empty")));
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}
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}
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#endif
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DC_END_FN();
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} /* CM_Enable */
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/****************************************************************************/
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/* Name: CM_Disable */
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/* */
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/* Purpose: Disables _CM. */
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/****************************************************************************/
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DCVOID DCAPI CCM::CM_Disable(ULONG_PTR unused)
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{
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DCINT i;
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DC_BEGIN_FN("CM_Disable");
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DC_IGNORE_PARAMETER(unused);
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TRC_NRM((TB, _T("CM disabled so cleaning up cached cursors")));
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/************************************************************************/
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/* Destroy any cached cursors. */
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/************************************************************************/
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for (i = 0; i < CM_CURSOR_CACHE_SIZE; i++)
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{
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if (_CM.cursorCache[i] != NULL)
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{
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#ifndef OS_WINCE
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DestroyCursor(_CM.cursorCache[i]);
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#else
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DestroyIcon(_CM.cursorCache[i]);
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#endif
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}
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_CM.cursorCache[i] = NULL;
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}
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DC_END_FN();
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} /* CM_Disable */
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/****************************************************************************/
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// CM_NullSystemPointerPDU
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//
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// Handles a null-pointer PDU from server.
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/****************************************************************************/
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void DCAPI CCM::CM_NullSystemPointerPDU(void)
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{
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DC_BEGIN_FN("CM_NullSystemPointerPDU");
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// Call IH to enable it to set the cursor shape. Must do this
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// synchronously as we may receive a very large number of cursor
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// shape changes - for example when running MS Office 97 setup.
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TRC_NRM((TB, _T("Set cursor handle to NULL")));
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_pCd->CD_DecoupleSimpleNotification(CD_SND_COMPONENT, _pIh,
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CD_NOTIFICATION_FUNC(CIH,IH_SetCursorShape),
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(ULONG_PTR)(LPVOID)NULL);
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DC_END_FN();
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}
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/****************************************************************************/
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// CM_DefaultSystemPointerPDU
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//
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// Handles a default-pointer PDU from server.
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/****************************************************************************/
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void DCAPI CCM::CM_DefaultSystemPointerPDU(void)
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{
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DC_BEGIN_FN("CM_DefaultSystemPointerPDU");
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// Call IH to enable it to set the cursor shape. Must do this
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// synchronously as we may receive a very large number of cursor
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// shape changes - for example when running MS Office 97 setup.
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TRC_NRM((TB, _T("Set cursor handle to default arrow")));
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_pCd->CD_DecoupleSimpleNotification(CD_SND_COMPONENT, _pIh,
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CD_NOTIFICATION_FUNC(CIH, IH_SetCursorShape),
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(ULONG_PTR)(LPVOID)CM_DEFAULT_ARROW_CURSOR_HANDLE);
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DC_END_FN();
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}
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/****************************************************************************/
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// CM_MonoPointerPDU
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//
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// Handles a default-pointer PDU from server.
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/****************************************************************************/
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HRESULT DCAPI CCM::CM_MonoPointerPDU(
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TS_MONOPOINTERATTRIBUTE UNALIGNED FAR *pAttr,
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DCUINT dataLen)
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{
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HRESULT hr = S_OK;
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HCURSOR oldHandle, newHandle;
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DC_BEGIN_FN("CM_MonoPointerPDU");
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// Save old mono cursor handle.
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TRC_NRM((TB, _T("Mono Pointer")));
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oldHandle = _CM.cursorCache[CM_MONO_CACHE_INDEX];
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// Create the new cursor.
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// SECURITY: 555587 Must pass size of order on to create<XXX>cursor
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hr = CMCreateMonoCursor(pAttr, dataLen, &newHandle);
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DC_QUIT_ON_FAIL(hr);
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_CM.cursorCache[CM_MONO_CACHE_INDEX] = newHandle;
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if (newHandle == NULL) {
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// Failed to create cursor - use default.
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TRC_ALT((TB, _T("Failed to create mono cursor")));
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newHandle = CM_DEFAULT_ARROW_CURSOR_HANDLE;
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}
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// Call IH to enable it to set the cursor shape. Must do this
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// synchronously as we may receive a very large number of cursor
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// shape changes - for example when running MS Office 97 setup.
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TRC_NRM((TB, _T("Set cursor handle to %p"), newHandle));
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_pCd->CD_DecoupleSimpleNotification(CD_SND_COMPONENT, _pIh,
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CD_NOTIFICATION_FUNC(CIH, IH_SetCursorShape),
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(ULONG_PTR)(LPVOID)newHandle);
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// Destroy any old handle if required, and remove from cache.
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if (oldHandle != NULL) {
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#ifndef OS_WINCE
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DestroyCursor(oldHandle);
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#else // OS_WINCE
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DestroyIcon(oldHandle);
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#endif // OS_WINCE
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}
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DC_EXIT_POINT:
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DC_END_FN();
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return hr;
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}
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/****************************************************************************/
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// CM_PositionPDU
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//
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// Handles a position-pointer PDU from server.
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/****************************************************************************/
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void DCAPI CCM::CM_PositionPDU(TS_POINT16 UNALIGNED FAR *pPoint)
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{
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POINT MousePos;
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DC_BEGIN_FN("CM_PositionPDU");
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// Adjust position to local screen coordinates.
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MousePos.x = pPoint->x;
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MousePos.y = pPoint->y;
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TRC_NRM((TB, _T("PointerPositionUpdate: (%d, %d)"), MousePos.x, MousePos.y));
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// Decouple to IH - can only set the pointer if we have the
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// input focus.
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_pCd->CD_DecoupleNotification(CD_SND_COMPONENT, _pIh, CD_NOTIFICATION_FUNC(CIH,IH_SetCursorPos),
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&MousePos,sizeof(MousePos));
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DC_END_FN();
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}
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/****************************************************************************/
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// CM_ColorPointerPDU
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//
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// Handles a color-pointer PDU from server.
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/****************************************************************************/
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HRESULT DCAPI CCM::CM_ColorPointerPDU(
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TS_COLORPOINTERATTRIBUTE UNALIGNED FAR *pAttr,
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DCUINT dataLen)
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{
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HRESULT hr = S_OK;
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HCURSOR oldHandle, newHandle;
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DC_BEGIN_FN("CM_ColorPointerPDU");
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// Create a new color cursor.
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// SECURITY: 555587 Must pass dataLen to CMCreate<XXX>Cursor
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hr = CMCreateNewColorCursor(pAttr->cacheIndex, pAttr, dataLen, &newHandle, &oldHandle);
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DC_QUIT_ON_FAIL(hr);
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// Call IH to enable it to set the cursor shape. Must do this
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// synchronously as we may receive a very large number of cursor
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// shape changes - for example when running MS Office 97 setup.
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TRC_NRM((TB, _T("Set cursor handle to %p"), newHandle));
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_pCd->CD_DecoupleSimpleNotification(CD_SND_COMPONENT, _pIh,
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CD_NOTIFICATION_FUNC(CIH,IH_SetCursorShape),
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(ULONG_PTR)(LPVOID)newHandle);
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// Destroy any old handle if required, and remove from cache.
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if (oldHandle != NULL) {
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#ifndef OS_WINCE
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DestroyCursor(oldHandle);
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#else // OS_WINCE
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DestroyIcon(oldHandle);
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#endif // OS_WINCE
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}
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DC_EXIT_POINT:
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DC_END_FN();
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return hr;
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}
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/****************************************************************************/
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// CM_CachedPointerPDU
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//
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// Handles a cached-pointer PDU from server.
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/****************************************************************************/
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void DCAPI CCM::CM_CachedPointerPDU(unsigned CacheIndex)
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{
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HCURSOR newHandle;
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DC_BEGIN_FN("CM_CachedPointerPDU");
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// Get the cursor handle from the cache.
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// SECURITY: Not checking cacheIndex because we can succeeded
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// even with an invalid index
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newHandle = CMGetCachedCursor(CacheIndex);
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// Call IH to enable it to set the cursor shape. Must do this
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// synchronously as we may receive a very large number of cursor
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// shape changes - for example when running MS Office 97 setup.
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TRC_NRM((TB, _T("Set cursor handle to %p"), newHandle));
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_pCd->CD_DecoupleSimpleNotification(CD_SND_COMPONENT, _pIh,
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CD_NOTIFICATION_FUNC(CIH,IH_SetCursorShape),
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(ULONG_PTR)(LPVOID)newHandle);
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DC_END_FN();
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}
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/****************************************************************************/
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// CM_PointerPDU
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//
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// Handles a new-protocol pointer PDU from server.
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/****************************************************************************/
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HRESULT DCAPI CCM::CM_PointerPDU(TS_POINTERATTRIBUTE UNALIGNED FAR *pAttr,
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DCUINT dataLen)
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{
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HRESULT hr = S_OK;
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HCURSOR oldHandle, newHandle;
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DC_BEGIN_FN("CM_PointerPDU");
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// Create a new cursor - may be mono or color.
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// SECURITY: 555587 must pass data length to CMCreate<XXX>Cursor
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hr = CMCreateNewCursor(pAttr, dataLen, &newHandle, &oldHandle);
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DC_QUIT_ON_FAIL(hr);
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// Call IH to enable it to set the cursor shape. Must do this
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// synchronously as we may receive a very large number of cursor
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// shape changes - for example when running MS Office 97 setup.
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TRC_NRM((TB, _T("Set cursor handle to %p"), newHandle));
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_pCd->CD_DecoupleSimpleNotification(CD_SND_COMPONENT, _pIh,
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CD_NOTIFICATION_FUNC(CIH,IH_SetCursorShape),
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(ULONG_PTR)(LPVOID)newHandle);
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// Destroy any old handle if required, and remove from cache.
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if (oldHandle != NULL) {
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#ifndef OS_WINCE
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DestroyCursor(oldHandle);
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#else // OS_WINCE
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DestroyIcon(oldHandle);
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#endif // OS_WINCE
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}
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DC_EXIT_POINT:
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DC_END_FN();
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return hr;
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}
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