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Added additional comments for Paste

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This commit is contained in:
rods%netscape.com 1999-04-19 19:35:55 +00:00
parent 6f48cabec3
commit 333dab2402
2 changed files with 40 additions and 12 deletions
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26
editor/base/nsEditor.cpp
View File

@ -883,35 +883,49 @@ NS_IMETHODIMP nsEditor::Paste()
nsString stuffToPaste;
#ifdef NEW_CLIPBOARD_SUPPORT
// Get Clipboard Service
nsIClipboard* clipboard;
nsresult rv = nsServiceManager::GetService(kCClipboardCID,
kIClipboardIID,
(nsISupports **)&clipboard);
// Create generic Transferable for getting the data
nsIGenericTransferable *genericTrans = 0;
rv = nsComponentManager::CreateInstance(kCGenericTransferableCID, nsnull,
kIGenericTransferableIID, (void**) &genericTrans);
if (NS_OK == rv) {
// Get the nsITransferable interface for getting the data from the clipboard
nsCOMPtr<nsITransferable> trans = do_QueryInterface(genericTrans);
if (trans) {
nsIDataFlavor *flavor = 0;
// Create the desired DataFlavor for the type of data we want to get out of the transferable
rv = nsComponentManager::CreateInstance(kCDataFlavorCID, nsnull, kIDataFlavorIID, (void**) &flavor);
if (NS_OK == rv) {
// Initialize the DataFlavor and set it into the GenericTransferable
flavor->Init(kTextMime, "Text");
genericTrans->AddDataFlavor(flavor);
// Get the Data from the clipboard
clipboard->GetData(trans);
// Now we ask the transferable for the data
// it still owns the data, we just have a pointer to it.
// If it can't support a "text" output of the data the call will fail
char *str = 0;
PRUint32 len;
trans->GetTransferData(flavor, (void **)&str, &len);
if (NS_OK == trans->GetTransferData(flavor, (void **)&str, &len)) {
if (str) {
if (str[len-1] == 0) {
len--;
// Make adjustments for null terminated strings
if (str) {
if (str[len-1] == 0) {
len--;
}
// stuffToPaste is ready for insertion into the content
stuffToPaste.SetString(str, len);
}
stuffToPaste.SetString(str, len);
}
NS_IF_RELEASE(flavor);
}
}

26
editor/libeditor/base/nsEditor.cpp
View File

@ -883,35 +883,49 @@ NS_IMETHODIMP nsEditor::Paste()
nsString stuffToPaste;
#ifdef NEW_CLIPBOARD_SUPPORT
// Get Clipboard Service
nsIClipboard* clipboard;
nsresult rv = nsServiceManager::GetService(kCClipboardCID,
kIClipboardIID,
(nsISupports **)&clipboard);
// Create generic Transferable for getting the data
nsIGenericTransferable *genericTrans = 0;
rv = nsComponentManager::CreateInstance(kCGenericTransferableCID, nsnull,
kIGenericTransferableIID, (void**) &genericTrans);
if (NS_OK == rv) {
// Get the nsITransferable interface for getting the data from the clipboard
nsCOMPtr<nsITransferable> trans = do_QueryInterface(genericTrans);
if (trans) {
nsIDataFlavor *flavor = 0;
// Create the desired DataFlavor for the type of data we want to get out of the transferable
rv = nsComponentManager::CreateInstance(kCDataFlavorCID, nsnull, kIDataFlavorIID, (void**) &flavor);
if (NS_OK == rv) {
// Initialize the DataFlavor and set it into the GenericTransferable
flavor->Init(kTextMime, "Text");
genericTrans->AddDataFlavor(flavor);
// Get the Data from the clipboard
clipboard->GetData(trans);
// Now we ask the transferable for the data
// it still owns the data, we just have a pointer to it.
// If it can't support a "text" output of the data the call will fail
char *str = 0;
PRUint32 len;
trans->GetTransferData(flavor, (void **)&str, &len);
if (NS_OK == trans->GetTransferData(flavor, (void **)&str, &len)) {
if (str) {
if (str[len-1] == 0) {
len--;
// Make adjustments for null terminated strings
if (str) {
if (str[len-1] == 0) {
len--;
}
// stuffToPaste is ready for insertion into the content
stuffToPaste.SetString(str, len);
}
stuffToPaste.SetString(str, len);
}
NS_IF_RELEASE(flavor);
}
}