C++ BAlert::SetShortcut方法代码示例

bool
PrefWindow::QuitRequested()
{
	if (!fDirty)
		return true;

	BAlert *alert = new BAlert("",
		B_TRANSLATE("Save changes to this settings panel?"),
		B_TRANSLATE("Cancel"), B_TRANSLATE("Don't save"), B_TRANSLATE("Save"),
		B_WIDTH_AS_USUAL, B_OFFSET_SPACING,
		B_WARNING_ALERT);
	alert->SetShortcut(0, B_ESCAPE);
	alert->SetShortcut(1, 'd');
	alert->SetShortcut(2, 's');

	int32 index = alert->Go();
	if (index == 0)
		return false;

	if (index == 2)
		_Save();
	else
		_Revert();

	return true;
}

bool
ApplicationTypeWindow::QuitRequested()
{
	if (_NeedsSaving(CHECK_ALL) != 0) {
		BAlert* alert = new BAlert(B_TRANSLATE("Save request"),
			B_TRANSLATE("Save changes before closing?"),
			B_TRANSLATE("Cancel"), B_TRANSLATE("Don't save"),
			B_TRANSLATE("Save"), B_WIDTH_AS_USUAL, B_OFFSET_SPACING,
			B_WARNING_ALERT);
		alert->SetShortcut(0, B_ESCAPE);
		alert->SetShortcut(1, 'd');
		alert->SetShortcut(2, 's');

		int32 choice = alert->Go();
		switch (choice) {
			case 0:
				return false;
			case 1:
				break;
			case 2:
				_Save();
				break;
		}
	}

	be_app->PostMessage(kMsgTypeWindowClosed);
	return true;
}

bool
ShortcutsWindow::QuitRequested()
{
	bool ret = true;

	if (fKeySetModified) {
		BAlert* alert = new BAlert(WARNING, 
			B_TRANSLATE("Save changes before closing?"),
			B_TRANSLATE("Cancel"), B_TRANSLATE("Don't save"),
			B_TRANSLATE("Save"));
		alert->SetShortcut(0, B_ESCAPE);
		alert->SetShortcut(1, 'd');
		alert->SetShortcut(2, 's');
		switch(alert->Go()) {
			case 0:
				ret = false;
				break;

			case 1:
				ret = true;
				break;

			case 2:
				// Save: automatically if possible, otherwise go back and open
				// up the file requester
				if (fLastSaved.InitCheck() == B_OK) {
					if (_SaveKeySet(fLastSaved) == false) {
						BAlert* alert = new BAlert(ERROR, 
							B_TRANSLATE("Shortcuts was unable to save your "
								"KeySet file!"), 
							B_TRANSLATE("Oh no"));
						alert->SetFlags(alert->Flags() | B_CLOSE_ON_ESCAPE);
						alert->Go();
						ret = true; //quit anyway
					}
				} else {
					PostMessage(SAVE_KEYSET);
					ret = false;
				}
				break;
		}
	}

	if (ret) {
		fColumnListView->DeselectAll();

		// Save the window position.
		entry_ref ref;
		if (_GetWindowSettingsFile(&ref)) {
			BEntry entry(&ref);
			_SaveWindowSettings(entry);
		}
	}
	
	return ret;
}

void PProjectWindow::RemoveSelected()
{
	int s = 0;
	do
	{
		if (fList->IsItemSelected(s)) {
			PProjectItem* projectItem
				= dynamic_cast<PProjectItem*>(fList->RemoveItem(s));
			if (projectItem) {
				CProjectGroupItem* projectGroupItem
					= dynamic_cast<CProjectGroupItem*>(projectItem->ModelItem());
				if (projectGroupItem) {
					BAlert* alert
						= new BAlert( "Pe message",
										  "You can't remove a group-item",
										  "Ah, Ok", NULL, NULL,
										  B_WIDTH_AS_USUAL, B_OFFSET_SPACING,
										  B_WARNING_ALERT);
					alert->SetShortcut( 0, B_ESCAPE);
					alert->Go();
					return;
				} else {
					fPrjFile->RemoveItem(projectItem->ModelItem());
					delete projectItem;
					SetDirty(true);
				}
			}
		}
	}
	while (fList->IsItemSelected(s) ||
		((s = fList->CurrentSelection(s)) > 0 && s < fList->CountItems()));
}

bool MainWindow::QuitRequested()
{
	bool downloading = !static_cast<TorrentorApp*>(be_app)->TorrentList().IsEmpty();
	
	//
	//
	//
	//for (int32 i = fTorrentList.CountItems(); i > 0; i--) {
	//	const TorrentObject* torrent = fTorrentList.ItemAt(i);
	//	
	//	active |= torrent->IsActive();
	//}
	
	//
	if (downloading) {
		BAlert* confirmAlert = new BAlert("", B_TRANSLATE("Quit Torrentor!?"),
			B_TRANSLATE("Cancel"), B_TRANSLATE("Quit"), NULL, B_WIDTH_AS_USUAL, B_OFFSET_SPACING, B_WARNING_ALERT);

		confirmAlert->SetShortcut(0, B_ESCAPE);
	
		if (confirmAlert->Go() == 0)
			return false;
	}
	be_app->PostMessage(B_QUIT_REQUESTED);
	return true;
}

void
ReplicantView::AboutRequested()
{
	BAlert* alert = new BAlert("QueryWatcher", "QueryWatcher 1.0\nBy Michael Armida\[email protected]", "Gee...Thanks");
	alert->SetShortcut(0, B_ESCAPE);
	alert->Go();
}

		void AboutRequested()
		{
			// FIXME use BAboutBox
			BString text("FRiSS Version ");
			text << version();
			text <<	"\n";

			text << "\xC2\xA9""2010-2013 Adrien Destugues (PulkoMandy)\n";
			text << "\[email protected]\n\n";

			text << "\xC2\xA9""2004 Andreas Herzig (N3S)\n";
			text << "\[email protected]\n\n";

			text << "Original idea:\n\t0033\n\n";

			// FIXME translation credits
#if 0
			if (config!= NULL && config->Lang.Compare("enDE") != 0) {
				text << _T("Language") << ": " << _T("FL:Language") << "\n";
				text << "\t" << _T("FL:Translator") << "\n";
			}
#endif

			BAlert* alert = new BAlert("About fRiSS", text.String(), _T("Ok"));
			alert->SetShortcut( 0, B_ESCAPE );
			alert->Go();
		}	

status_t
ScreenshotWindow::_SaveScreenshot()
{
	if (!fScreenshot || !fLastSelectedPath)
		return B_ERROR;

	BPath path(_GetDirectory());

	if (path == NULL)
		return B_ERROR;

	path.Append(fNameControl->Text());

	BEntry entry;
	entry.SetTo(path.Path());

	if (entry.Exists()) {
		BAlert* overwriteAlert = new BAlert(
			B_TRANSLATE("overwrite"),
			B_TRANSLATE("This file already exists.\n Are you sure you would "
				"like to overwrite it?"),
			B_TRANSLATE("Cancel"),
			B_TRANSLATE("Overwrite"),
			NULL, B_WIDTH_AS_USUAL, B_EVEN_SPACING, B_WARNING_ALERT);

		overwriteAlert->SetShortcut(0, B_ESCAPE);

		if (overwriteAlert->Go() == 0)
			return B_CANCELED;
	}

	return fUtility.Save(fScreenshot, path.Path(), fImageFileType);
}

void
TouchpadView::MouseUp(BPoint point)
{
	if (!fXTracking && !fYTracking)
		return;

	fXTracking = false;
	fYTracking = false;

	const float kSoftScrollLimit = 0.7;

	int32 result = 0;
	if (GetRightScrollRatio() > kSoftScrollLimit
		|| GetBottomScrollRatio() > kSoftScrollLimit) {
		BAlert* alert = new BAlert(B_TRANSLATE("Please confirm"),
			B_TRANSLATE("The new scroll area is very large and may impede "
				"normal mouse operation. Do you really want to change it?"),
			B_TRANSLATE("OK"), B_TRANSLATE("Cancel"),
			NULL, B_WIDTH_AS_USUAL, B_WARNING_ALERT);
		alert->SetShortcut(1, B_ESCAPE);
		result = alert->Go();
	}

	if (result == 0) {
		BMessage msg(SCROLL_AREA_CHANGED);
		Invoke(&msg);
	} else {
		if (GetRightScrollRatio() > kSoftScrollLimit)
			fXScrollRange = fOldXScrollRange;
		if (GetBottomScrollRatio() > kSoftScrollLimit)
			fYScrollRange = fOldYScrollRange;
		DrawSliders();
	}
}

bool
FaberWindow::QuitRequested()
{
	if (ProjectManager::HasChanged()) {
		BString alertText = "Save changes to ";
		alertText << ProjectManager::Name();
		alertText << "?";

		BAlert* alert = new BAlert("Warning!", alertText.String(),
			"Cancel", "Don't save", "Save",
			B_WIDTH_AS_USUAL, B_OFFSET_SPACING,
			B_WARNING_ALERT);

		alert->SetShortcut(0, B_ESCAPE);
		int32 button_index = alert->Go();

		if (button_index == 2) {
			BMessenger msg(this);
			// TODO add Builder-like methods to build commands.
			BMessage* command = CommandBuilder(FABER_SAVE_PROJECT);
			command->AddBool("faber:quit", true);
			msg.SendMessage(command);
			return false;
		} else if (button_index == 0)
			return false;
	}

	be_app->PostMessage(B_QUIT_REQUESTED);
	return true;
}

bool PDocument::QuitRequested(void)
{
	TRACE();
	//check modified if there are changes wich we need to save
	bool	returnValue = true;
	bool	readLock	= false;
	if (modified)
	{
		readLock = Lock();
		BAlert *myAlert = new BAlert("title", "Save changes to ...", _T("Cancel"), _T("Don't save"), _T("Save"), B_WIDTH_AS_USUAL, B_OFFSET_SPACING, B_WARNING_ALERT);
		myAlert->SetShortcut(0, B_ESCAPE);
		int32 button_index = myAlert->Go();
		if (button_index == 0)
			returnValue = false;
		else if (button_index == 1)
			returnValue =  true;
		else
		{
			Save();
			returnValue	= true;
		}
		if (readLock)
		Unlock();
	}
	if (returnValue)
	{
		window->Lock();
		window->Quit();
	}
	return returnValue;
}

bool
ShowImageWindow::_ClosePrompt()
{
	if (!fModified)
		return true;

	int32 count = fNavigator.PageCount();
	int32 page = fNavigator.CurrentPage();
	BString prompt;

	if (count > 1) {
		bs_printf(&prompt,
			B_TRANSLATE("The document '%s' (page %d) has been changed. Do you "
				"want to close the document?"),
			fImageView->Image()->name, page);
	} else {
		bs_printf(&prompt,
			B_TRANSLATE("The document '%s' has been changed. Do you want to "
				"close the document?"),
			fImageView->Image()->name);
	}

	BAlert* alert = new BAlert(B_TRANSLATE("Close document"), prompt.String(),
		B_TRANSLATE("Cancel"), B_TRANSLATE("Close"));
	alert->SetShortcut(0, B_ESCAPE);

	if (alert->Go() == 0) {
		// Cancel
		return false;
	}

	// Close
	fModified = false;
	return true;
}

static int
ShowMessage(char* string)
{
	BAlert *alert = new BAlert("Message", string, "OK");
	alert->SetShortcut(1, B_ESCAPE);
	return alert->Go();
}

bool
RealNameAttributeText::CommitEditedTextFlavor(BTextView* textView)
{
	const char* text = textView->Text();

	BEntry entry(fModel->EntryRef());
	if (entry.InitCheck() != B_OK)
		return false;

	BDirectory	parent;
	if (entry.GetParent(&parent) != B_OK)
		return false;

	bool removeExisting = false;
	if (parent.Contains(text)) {
		BAlert* alert = new BAlert("",
			B_TRANSLATE("That name is already taken. "
			"Please type another one."),
			B_TRANSLATE("Replace other file"),
			B_TRANSLATE("OK"),
			NULL, B_WIDTH_AS_USUAL, B_WARNING_ALERT);

		alert->SetShortcut(0, 'r');

		if (alert->Go())
			return false;

		removeExisting = true;
	}

	// TODO:
	// use model-flavor specific virtuals for all of these special
	// renamings
	status_t result;
	if (fModel->IsVolume()) {
		BVolume volume(fModel->NodeRef()->device);
		result = volume.InitCheck();
		if (result == B_OK) {
			RenameVolumeUndo undo(volume, text);

			result = volume.SetName(text);
			if (result != B_OK)
				undo.Remove();
		}
	} else {
		if (fModel->IsQuery()) {
			BModelWriteOpener opener(fModel);
			ASSERT(fModel->Node());
			MoreOptionsStruct::SetQueryTemporary(fModel->Node(), false);
		}

		RenameUndo undo(entry, text);

		result = entry.Rename(text, removeExisting);
		if (result != B_OK)
			undo.Remove();
	}

	return result == B_OK;
}

bool
NetworkWindow::QuitRequested(void)
{
	if (fSave->IsEnabled() == true) {
		BAlert *alert = new BAlert("Save Info Alert", "Save changes before "
			quitting?",	"Don't Save", "Cancel", "Save");
		alert->SetShortcut(1, B_ESCAPE);
		int32 result = alert->Go();
		
		switch (result) {
			case 0: {
				// Don't Save
				break;
			}
			case 1:{
				// Cancel
				return false;
				break;				
			}
			case 2:{
				// Save
				SaveBackup(NULL,fData);
				break;
			}
			default:
				break;
		}
	}