void
InstallerWindow::_UpdateControls()
{
PartitionMenuItem* srcItem = (PartitionMenuItem*)fSrcMenu->FindMarked();
BString label;
if (srcItem) {
label = srcItem->MenuLabel();
} else {
if (fSrcMenu->CountItems() == 0)
label = TR_CMT("<none>", "No partition available");
else
label = ((PartitionMenuItem*)fSrcMenu->ItemAt(0))->MenuLabel();
}
fSrcMenuField->MenuItem()->SetLabel(label.String());
// Disable any unsuitable target items, check if at least one partition
// is suitable.
bool foundOneSuitableTarget = false;
for (int32 i = fDestMenu->CountItems() - 1; i >= 0; i--) {
PartitionMenuItem* dstItem
= (PartitionMenuItem*)fDestMenu->ItemAt(i);
if (srcItem != NULL && dstItem->ID() == srcItem->ID()) {
// Prevent the user from having picked the same partition as source
// and destination.
dstItem->SetEnabled(false);
dstItem->SetMarked(false);
} else
dstItem->SetEnabled(dstItem->IsValidTarget());
if (dstItem->IsEnabled())
foundOneSuitableTarget = true;
}
PartitionMenuItem* dstItem = (PartitionMenuItem*)fDestMenu->FindMarked();
if (dstItem) {
label = dstItem->MenuLabel();
} else {
if (fDestMenu->CountItems() == 0)
label = TR_CMT("<none>", "No partition available");
else
label = TR("Please choose target");
}
fDestMenuField->MenuItem()->SetLabel(label.String());
if (srcItem && dstItem) {
char message[255];
sprintf(message, TR("Press the Begin button to install from '%1s' "
"onto '%2s'."), srcItem->Name(), dstItem->Name());
_SetStatusMessage(message);
} else if (srcItem) {
_SetStatusMessage(TR("Choose the disk you want to install onto from "
"the pop-up menu. Then click \"Begin\"."));
} else if (dstItem) {
_SetStatusMessage(TR("Choose the source disk from the "
"pop-up menu. Then click \"Begin\"."));
} else {
_SetStatusMessage(TR("Choose the source and destination disk from the "
"pop-up menus. Then click \"Begin\"."));
}
fInstallStatus = kReadyForInstall;
fBeginButton->SetLabel(TR("Begin"));
fBeginButton->SetEnabled(srcItem && dstItem);
// adjust "Write Boot Sector" button
if (dstItem) {
char buffer[256];
snprintf(buffer, sizeof(buffer), TR("Write boot sector to '%s'"),
dstItem->Name());
label = buffer;
} else
label = TR("Write boot sector");
fMakeBootableButton->SetEnabled(dstItem);
fMakeBootableButton->SetLabel(label.String());
if (!fEncouragedToSetupPartitions && !foundOneSuitableTarget) {
// Focus the users attention on the DriveSetup button
fEncouragedToSetupPartitions = true;
PostMessage(ENCOURAGE_DRIVESETUP);
}
}
void
InstallerWindow::MessageReceived(BMessage *msg)
{
switch (msg->what) {
case MSG_RESET:
{
_SetCopyEngineCancelSemaphore(-1);
status_t error;
if (msg->FindInt32("error", &error) == B_OK) {
char errorMessage[2048];
snprintf(errorMessage, sizeof(errorMessage), TR("An error was "
"encountered and the installation was not completed:\n\n"
"Error: %s"), strerror(error));
(new BAlert("error", errorMessage, TR("OK")))->Go();
}
_DisableInterface(false);
fProgressLayoutItem->SetVisible(false);
fPkgSwitchLayoutItem->SetVisible(true);
_ShowOptionalPackages();
_UpdateControls();
break;
}
case START_SCAN:
_ScanPartitions();
break;
case BEGIN_MESSAGE:
switch (fInstallStatus) {
case kReadyForInstall:
{
_SetCopyEngineCancelSemaphore(create_sem(1,
"copy engine cancel"));
BList* list = new BList();
int32 size = 0;
fPackagesView->GetPackagesToInstall(list, &size);
fWorkerThread->SetLock(fCopyEngineCancelSemaphore);
fWorkerThread->SetPackagesList(list);
fWorkerThread->SetSpaceRequired(size);
fInstallStatus = kInstalling;
fWorkerThread->StartInstall();
fBeginButton->SetLabel(TR("Stop"));
_DisableInterface(true);
fProgressBar->SetTo(0.0, NULL, NULL);
fPkgSwitchLayoutItem->SetVisible(false);
fPackagesLayoutItem->SetVisible(false);
fSizeViewLayoutItem->SetVisible(false);
fProgressLayoutItem->SetVisible(true);
break;
}
case kInstalling:
{
_QuitCopyEngine(true);
break;
}
case kFinished:
PostMessage(B_QUIT_REQUESTED);
break;
case kCancelled:
break;
}
break;
case SHOW_BOTTOM_MESSAGE:
_ShowOptionalPackages();
break;
case SOURCE_PARTITION:
_PublishPackages();
_UpdateControls();
break;
case TARGET_PARTITION:
_UpdateControls();
break;
case SETUP_MESSAGE:
_LaunchDriveSetup();
break;
case PACKAGE_CHECKBOX:
{
char buffer[15];
fPackagesView->GetTotalSizeAsString(buffer);
char string[255];
sprintf(string, TR("Additional disk space required: %s"), buffer);
fSizeView->SetText(string);
break;
}
case ENCOURAGE_DRIVESETUP:
{
(new BAlert("use drive setup", TR("No partitions have been found "
"that are suitable for installation. Please set up partitions "
"and initialize at least one partition with the Be File "
"System."), TR("OK")))->Go();
}
case MSG_STATUS_MESSAGE:
{
// TODO: Was this supposed to prevent status messages still arriving
// after the copy engine was shut down?
// if (fInstallStatus != kInstalling)
// break;
float progress;
if (msg->FindFloat("progress", &progress) == B_OK) {
const char* currentItem;
if (msg->FindString("item", ¤tItem) != B_OK) {
currentItem = TR_CMT("???",
"Unknown currently copied item");
}
BString trailingLabel;
int32 currentCount;
int32 maximumCount;
if (msg->FindInt32("current", ¤tCount) == B_OK
&& msg->FindInt32("maximum", &maximumCount) == B_OK) {
char buffer[64];
snprintf(buffer, sizeof(buffer), TR_CMT("%1ld of %2ld",
"number of files copied"), currentCount, maximumCount);
trailingLabel << buffer;
} else {
trailingLabel << TR_CMT("?? of ??", "Unknown progress");
}
fProgressBar->SetTo(progress, currentItem,
trailingLabel.String());
} else {
const char *status;
if (msg->FindString("status", &status) == B_OK) {
fLastStatus = fStatusView->Text();
_SetStatusMessage(status);
} else
_SetStatusMessage(fLastStatus.String());
}
break;
}
case MSG_INSTALL_FINISHED:
{
_SetCopyEngineCancelSemaphore(-1);
fBeginButton->SetLabel(TR("Quit"));
PartitionMenuItem* dstItem
= (PartitionMenuItem*)fDestMenu->FindMarked();
char status[1024];
if (be_roster->IsRunning(kDeskbarSignature)) {
snprintf(status, sizeof(status), TR("Installation completed. "
"Boot sector has been written to '%s'. Press Quit to "
"leave the Installer or choose a new target volume to "
"perform another installation."),
dstItem ? dstItem->Name() : TR_CMT("???",
"Unknown partition name"));
} else {
snprintf(status, sizeof(status), TR("Installation completed. "
"Boot sector has been written to '%s'. Press Quit to "
"restart the computer or choose a new target volume "
"to perform another installation."),
dstItem ? dstItem->Name() : TR_CMT("???",
"Unknown partition name"));
}
_SetStatusMessage(status);
fInstallStatus = kFinished;
_DisableInterface(false);
fProgressLayoutItem->SetVisible(false);
fPkgSwitchLayoutItem->SetVisible(true);
_ShowOptionalPackages();
break;
}
case B_SOME_APP_LAUNCHED:
case B_SOME_APP_QUIT:
{
const char *signature;
if (msg->FindString("be:signature", &signature) == B_OK
&& strcasecmp(signature, DRIVESETUP_SIG) == 0) {
fDriveSetupLaunched = msg->what == B_SOME_APP_LAUNCHED;
fBeginButton->SetEnabled(!fDriveSetupLaunched);
_DisableInterface(fDriveSetupLaunched);
if (fDriveSetupLaunched)
_SetStatusMessage(TR("Running DriveSetup" B_UTF8_ELLIPSIS
"\n\nClose DriveSetup to continue with the "
"installation."));
else
_ScanPartitions();
}
break;
}
case MSG_WRITE_BOOT_SECTOR:
fWorkerThread->WriteBootSector(fDestMenu);
break;
default:
BWindow::MessageReceived(msg);
break;
}
}