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Handle cancellation

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Don't show an error if the user has "confirm disk image format"
selected and cancels out of the dialog.
This commit is contained in:
Andy McFadden 2015-01-13 16:48:08 -08:00
parent 814872966e
commit a2962e976f
1 changed files with 14 additions and 1 deletions
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15
app/Main.cpp
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@ -1944,10 +1944,14 @@ int MainWindow::LoadArchive(const WCHAR* fileName, const WCHAR* extension,
* Try to open the file according to the specified filter index. If * Try to open the file according to the specified filter index. If
* it works, we're done. Trying this first ensures that you can choose * it works, we're done. Trying this first ensures that you can choose
* to open, say, a .SDK file as either ShrinkIt or Disk Image. * to open, say, a .SDK file as either ShrinkIt or Disk Image.
*
* It's possible to cancel the file open if you have "confirm disk image
* format set" and the file is a disk image. In that case we want to
* return with an error result, but without showing an error dialog.
*/ */
CString firstErrStr; CString firstErrStr;
pOpenArchive = CreateArchiveInstance(filterIndex); pOpenArchive = CreateArchiveInstance(filterIndex);
LOGD(" First try: %ls", (LPCWSTR) pOpenArchive->GetDescription()); LOGD("First try: %ls", (LPCWSTR) pOpenArchive->GetDescription());
openResult = pOpenArchive->Open(fileName, readOnly, &firstErrStr); openResult = pOpenArchive->Open(fileName, readOnly, &firstErrStr);
if (openResult == GenericArchive::kResultSuccess) { if (openResult == GenericArchive::kResultSuccess) {
// success! // success!
@ -1960,6 +1964,10 @@ int MainWindow::LoadArchive(const WCHAR* fileName, const WCHAR* extension,
} else { } else {
firstErrStr = L"This appears to be a file archive."; firstErrStr = L"This appears to be a file archive.";
} }
} else if (openResult == GenericArchive::kResultCancel) {
LOGD("canceled");
delete pOpenArchive;
return -1;
} }
delete pOpenArchive; delete pOpenArchive;
@ -1977,6 +1985,10 @@ int MainWindow::LoadArchive(const WCHAR* fileName, const WCHAR* extension,
// success! // success!
SwitchContentList(pOpenArchive); SwitchContentList(pOpenArchive);
return 0; return 0;
} else if (openResult == GenericArchive::kResultCancel) {
LOGD("cancelled");
delete pOpenArchive;
return -1;
} }
delete pOpenArchive; delete pOpenArchive;
} }
@ -1993,6 +2005,7 @@ int MainWindow::LoadArchive(const WCHAR* fileName, const WCHAR* extension,
* trying to open disk images anyway. * trying to open disk images anyway.
*/ */
if (firstErrStr.IsEmpty()) { if (firstErrStr.IsEmpty()) {
// not expected; put up a generic message if it happens
firstErrStr = L"Unable to determine what kind of file this is."; firstErrStr = L"Unable to determine what kind of file this is.";
} }
ShowFailureMsg(this, firstErrStr, IDS_FAILED); ShowFailureMsg(this, firstErrStr, IDS_FAILED);