?? axclientview.cpp
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CRectTracker trackerTemp;
CRect rect;
SetupTracker(&trackerTemp,m_pSelection);
trackerTemp.GetTrueRect(rect);
InvalidateRect(rect);
pItemHit->m_ptPos=tracker.m_rect.TopLeft();
pItemHit->m_sizeCur=tracker.m_rect.Size();
SetupTracker(&trackerTemp,pItemHit);
trackerTemp.GetTrueRect(rect);
InvalidateRect(rect);
}
}
CScrollView::OnLButtonDown(nFlags, point);
}
void CAxClientView::OnLButtonDblClk(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
if (m_pSelection != NULL)
{
BeginWaitCursor();
LONG iVerb = OLEIVERB_PRIMARY;
if (GetKeyState(VK_CONTROL) < 0)
iVerb = OLEIVERB_OPEN;
m_pSelection->DoVerb(iVerb, this);
EndWaitCursor();
}
CScrollView::OnLButtonDblClk(nFlags, point);
}
CAxClientCntrItem* CAxClientView::DoPasteItem(BOOL bLink, COleDataObject* pDataObject,
CPoint* pPoint, CLIPFORMAT cfFormat)
{
BeginWaitCursor();
CAxClientCntrItem* pItem = new CAxClientCntrItem(GetDocument());
ASSERT_VALID(pItem);
BOOL bAllowAdjust = (pPoint == NULL) ? TRUE : FALSE;
// use clipboard data if not doing drag/drop
COleDataObject clipboardData;
if (pDataObject == NULL)
{
clipboardData.AttachClipboard();
pDataObject = &clipboardData;
}
TRY
{
if (bAllowAdjust)
{
CPoint ptDef(10, 10);
DoPasteStandard(bLink, pDataObject, &ptDef, pItem, cfFormat);
}
else
{
DoPasteStandard(bLink, pDataObject, pPoint, pItem, cfFormat);
}
}
CATCH_ALL(e)
{
// general cleanup
TRACE0("failed to embed/link an OLE object\n");
pItem->Delete();
pItem = NULL;
}
END_CATCH_ALL
// set the selection with bSafeSelect = TRUE
SetSelection(pItem);
// update the document and views
GetDocument()->SetModifiedFlag();
GetDocument()->UpdateAllViews(NULL, 0, pItem); // including this view
EndWaitCursor();
return pItem;
}
void CAxClientView::DoPasteStandard(BOOL bLink, COleDataObject* pDataObject,
CPoint* pPoint, CAxClientCntrItem* pItem, CLIPFORMAT cfFormat)
{
if (bLink) // paste link
{
if (!pItem->CreateLinkFromData(pDataObject))
AfxThrowMemoryException(); // any exception will do
}
// paste embedded
else if (!pItem->CreateFromData(pDataObject) &&
!pItem->CreateStaticFromData(pDataObject, OLERENDER_DRAW, cfFormat))
{
AfxThrowMemoryException(); // any exception will do
}
// copy the current iconic representation
FORMATETC fmtetc;
fmtetc.cfFormat = CF_METAFILEPICT;
fmtetc.dwAspect = DVASPECT_ICON;
fmtetc.ptd = NULL;
fmtetc.tymed = TYMED_MFPICT;
fmtetc.lindex = 1;
HGLOBAL hObj = pDataObject->GetGlobalData(CF_METAFILEPICT, &fmtetc);
if (hObj != NULL)
{
pItem->SetIconicMetafile(hObj);
// the following code is an easy way to free a metafile pict
STGMEDIUM stgMed;
memset(&stgMed, 0, sizeof(stgMed));
stgMed.tymed = TYMED_MFPICT;
stgMed.hGlobal = hObj;
ReleaseStgMedium(&stgMed);
}
// set the current drawing aspect
hObj = pDataObject->GetGlobalData(m_cfObjectDescriptor);
if (hObj != NULL)
{
ASSERT(hObj != NULL);
// got CF_OBJECTDESCRIPTOR ok. Lock it down and extract size.
LPOBJECTDESCRIPTOR pObjDesc = (LPOBJECTDESCRIPTOR)GlobalLock(hObj);
ASSERT(pObjDesc != NULL);
pItem->SetDrawAspect((DVASPECT)pObjDesc->dwDrawAspect);
GlobalUnlock(hObj);
GlobalFree(hObj);
}
// set top-left based on point of drop
if (pPoint != NULL)
pItem->m_ptPos = *pPoint;
// get size from drag/drop operation
CSize size;
if (GetObjectInfo(pDataObject, &size, NULL) && size.cx != 0 && size.cy != 0)
{
// use size obtained from object instead of default
size.cx = MulDiv(size.cx, 10, 254);
size.cy = -MulDiv(size.cy, 10, 254);
pItem->m_sizeCur=size;
CSize sizeExtent;
pItem->GetCachedExtent(&sizeExtent);
pItem->m_sizeOrg=sizeExtent;
}
else
{
// no extent from CF_OBJECTDESCRIPTOR, use extent from object
pItem->UpdateExtent();
}
}
BOOL CAxClientView::GetObjectInfo(COleDataObject* pDataObject,
CSize* pSize, CSize* pOffset)
{
ASSERT(pSize != NULL);
// get object descriptor data
HGLOBAL hObjDesc = pDataObject->GetGlobalData(m_cfObjectDescriptor);
if (hObjDesc == NULL)
{
if (pOffset != NULL)
*pOffset = CSize(0, 0); // fill in defaults instead
*pSize = CSize(0, 0);
return FALSE;
}
ASSERT(hObjDesc != NULL);
// otherwise, got CF_OBJECTDESCRIPTOR ok. Lock it down and extract size.
LPOBJECTDESCRIPTOR pObjDesc = (LPOBJECTDESCRIPTOR)GlobalLock(hObjDesc);
ASSERT(pObjDesc != NULL);
pSize->cx = (int)pObjDesc->sizel.cx;
pSize->cy = (int)pObjDesc->sizel.cy;
if (pOffset != NULL)
{
pOffset->cx = (int)pObjDesc->pointl.x;
pOffset->cy = (int)pObjDesc->pointl.y;
}
GlobalUnlock(hObjDesc);
GlobalFree(hObjDesc);
// successfully retrieved pSize & pOffset info
return TRUE;
}
void CAxClientView::OnEditPaste()
{
// TODO: Add your command handler code here
if (DoPasteItem(FALSE, NULL, NULL) == NULL)
AfxMessageBox("粘貼對象錯誤！");
}
void CAxClientView::OnUpdateEditPaste(CCmdUI* pCmdUI)
{
// TODO: Add your command update UI handler code here
COleDataObject dataObj;
BOOL bEnable = dataObj.AttachClipboard();
// enable command based on availability
pCmdUI->Enable(bEnable);
}
void CAxClientView::OnEditDel()
{
// TODO: Add your command handler code here
if(m_pSelection != NULL)
{
CRectTracker trackerTemp;
CRect rect;
SetupTracker(&trackerTemp,m_pSelection);
trackerTemp.GetTrueRect(rect);
m_pSelection->Delete();
m_pSelection=NULL;
InvalidateRect(rect);
}
}
void CAxClientView::OnUpdateEditDel(CCmdUI* pCmdUI)
{
// TODO: Add your command update UI handler code here
pCmdUI->Enable(m_pSelection != NULL);
}
void CAxClientView::OnEditCut()
{
// TODO: Add your command handler code here
ASSERT(m_pSelection != NULL);
TRY
{
m_pSelection->CopyToClipboard(TRUE);
OnEditDel();
}
CATCH_ALL(e)
{
AfxMessageBox("剪切操作失??！");
}
END_CATCH_ALL
}
void CAxClientView::OnUpdateEditCut(CCmdUI* pCmdUI)
{
// TODO: Add your command update UI handler code here
pCmdUI->Enable(m_pSelection != NULL);
}
void CAxClientView::OnEditCopy()
{
// TODO: Add your command handler code here
ASSERT(m_pSelection != NULL);
TRY
{
m_pSelection->CopyToClipboard(TRUE);
}
CATCH_ALL(e)
{
AfxMessageBox("復制工作失??！");
}
END_CATCH_ALL
}
void CAxClientView::OnUpdateEditCopy(CCmdUI* pCmdUI)
{
// TODO: Add your command update UI handler code here
pCmdUI->Enable(m_pSelection != NULL);
}
void CAxClientView::OnEditPasteSpecial()
{
// TODO: Add your command handler code here
COlePasteSpecialDialog dlg;
dlg.AddStandardFormats();
if (dlg.DoModal() != IDOK)
return;
CAxClientCntrItem* pItem = NULL;
TRY
{
// Get the clipboard format of the selected
CLIPFORMAT cf = dlg.m_ps.arrPasteEntries[dlg.m_ps.nSelectedIndex].fmtetc.cfFormat;
pItem = new CAxClientCntrItem;
if (!dlg.CreateItem(pItem))
{
TRACE0("Warning: paste special failed to create item.\n");
AfxThrowMemoryException();
}
// try to get initial presentation data
pItem->UpdateLink();
// try to get initial extent
pItem->UpdateExtent();
// set the selection with bSafeSelect = TRUE
SetSelection(pItem);
GetDocument()->SetModifiedFlag();
GetDocument()->UpdateAllViews(NULL, 0, pItem);
}
CATCH_ALL(e)
{
// cleanup item, if allocated
if (pItem != NULL)
pItem->Delete();
AfxMessageBox(IDP_FAILED_TO_CREATE);
return;
}
END_CATCH_ALL
}
void CAxClientView::OnUpdateEditPasteSpecial(CCmdUI* pCmdUI)
{
// TODO: Add your command update UI handler code here
COleDataObject dataObj;
BOOL bEnable = dataObj.AttachClipboard();
// enable command based on availability
pCmdUI->Enable(bEnable);
}
void CAxClientView::OnEditPasteLink()
{
// TODO: Add your command handler code here
if (DoPasteItem(TRUE, NULL, NULL) == NULL)
AfxMessageBox("粘貼鏈接失敗！");
}
class COlePropertiesEx : public COlePropertiesDialog
{
public:
COlePropertiesEx(COleClientItem* pItem,
UINT nScaleMin = 10, UINT nScaleMax = 500, CWnd* pParentWnd = NULL)
: COlePropertiesDialog(pItem, nScaleMin, nScaleMax, pParentWnd)
{ }
virtual BOOL OnApplyScale(
COleClientItem* pItem, int nCurrentScale, BOOL bRelativeToOrig);
};
//////////////////////////////////////////////////////////////////////////
// 在屬性對話框中實現比例放縮
// pItem: 指向對象的指針，包含對象的信息
// nCurrentScale: 取得用戶所選的放縮比例
// bRelativeToOrig: 判斷是否按原始尺寸進行放縮
BOOL COlePropertiesEx::OnApplyScale(
COleClientItem* pItemIn, int nCurrentScale, BOOL bRelativeToOrig)
{
if (nCurrentScale != -1)
{
ASSERT_VALID(pItemIn);
CAxClientCntrItem* pItem=(CAxClientCntrItem*)pItemIn;
pItem->GetDocument()->UpdateAllViews(NULL, 0, pItem);
// reset to original size if necessary
// 根據原始尺寸進行放縮
if (bRelativeToOrig)
{
pItem->m_sizeOrg=CSize(0,0);
pItem->UpdateExtent();
}
// update extent to reflect scaling factor
pItem->GetDocument()->UpdateAllViews(NULL, 0, pItem);
// 根據用戶所選的比例計算放縮后的尺寸
CSize size=pItem->m_sizeCur;
size.cx = MulDiv(size.cx, nCurrentScale, 100);
size.cy = MulDiv(size.cy, nCurrentScale, 100);
pItem->m_sizeCur=size;
pItem->GetDocument()->UpdateAllViews(NULL, 0, pItem);
}
return TRUE;
}
void CAxClientView::OnOleEditProperties()
{
// TODO: Add your command handler code here
if(m_pSelection==NULL)
return;
// COlePropertiesDialog dlg(m_pSelection);
COlePropertiesEx dlg(m_pSelection);
dlg.DoModal();
}
void CAxClientView::OnUpdateOleEditProperties(CCmdUI* pCmdUI)
{
// TODO: Add your command update UI handler code here
pCmdUI->Enable(m_pSelection != NULL);
}
void CAxClientView::OnRButtonDown(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
GetParentFrame()->ActivateFrame();
SetSelection(HitTestItems(point)); // reselect item if appropriate
UpdateWindow();
if (m_pSelection != NULL)
{
CMenu bar;
if (bar.LoadMenu(IDR_MENU_OBJECT))
{
CMenu& popup = *bar.GetSubMenu(0);
ASSERT(popup.m_hMenu != NULL);
ClientToScreen(&point);
popup.TrackPopupMenu(TPM_RIGHTBUTTON,
point.x, point.y,
AfxGetMainWnd()); // route commands through main window
}
}
CScrollView::OnRButtonDown(nFlags, point);
}
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