C++ BMenuField::SetEnabled方法代码示例

void
HWindow::Pulse()
{
	HEventRow* row = (HEventRow*)fEventList->CurrentSelection();
	BMenuField* menufield = dynamic_cast<BMenuField*>(FindView("filemenu"));
	BButton* button = dynamic_cast<BButton*>(FindView("play"));
	BButton* stop = dynamic_cast<BButton*>(FindView("stop"));

	if (menufield == NULL || button == NULL || stop == NULL)
		return;

	if (row != NULL) {
		menufield->SetEnabled(true);

		const char* path = row->Path();
		if (path != NULL && strcmp(path, ""))
			button->SetEnabled(true);
		else
			button->SetEnabled(false);
	} else {
		menufield->SetEnabled(false);
		button->SetEnabled(false);
	}

	if (fPlayer != NULL) {
		if (fPlayer->IsPlaying())
			stop->SetEnabled(true);
		else
			stop->SetEnabled(false);
	} else
		stop->SetEnabled(false);
}

void _EndpointList::SelectionChanged()
{
	inherited::SelectionChanged();
	_EndpointRow*	row = dynamic_cast<_EndpointRow*>( CurrentSelection() );
	if (row && row->mIsValid) {
		row->SelectionSetup(this);
		if (mDeviceTarget && !mDeviceTarget->IsEnabled() ) mDeviceTarget->SetEnabled(true);
		if (mLabelTarget && !mLabelTarget->IsEnabled() ) mLabelTarget->SetEnabled(true);
	} else {
		if (mDeviceTarget && mDeviceTarget->IsEnabled() ) mDeviceTarget->SetEnabled(false);
		if (mLabelTarget && mLabelTarget->IsEnabled() ) mLabelTarget->SetEnabled(false);
	}
}

	virtual void 	Visit(BStringContactField* field)
	{
		int count = fOwner->fControls.CountItems();
		BGridLayout* layout = fOwner->GridLayout();
		if (field->FieldType() != B_CONTACT_SIMPLE_GROUP) {
			ContactFieldTextControl* control = new ContactFieldTextControl(field);

			layout->AddItem(control->CreateLabelLayoutItem(), 1, count);
			layout->AddItem(control->CreateTextViewLayoutItem(), 2, count);
			fOwner->fControls.AddItem(control);
		} else {
			const char* label = 
				BContactField::ExtendedLabel(field);

			fOwner->fGroups = new BPopUpMenu(label);
			fOwner->fGroups->SetRadioMode(false);
			fOwner->BuildGroupMenu(field);

			BMenuField* field = new BMenuField("", "", fOwner->fGroups);
			BTextControl* control = new BTextControl("simpleGroup",
				NULL, NULL, NULL);

			field->SetEnabled(true);
			layout->AddItem(field->CreateLabelLayoutItem(), 1, 0, count);
			layout->AddItem(field->CreateMenuBarLayoutItem(), 1, 1, count);
			layout->AddItem(control->CreateLabelLayoutItem(), 2, 0, count);
			layout->AddItem(control->CreateTextViewLayoutItem(), 2, 1, count);
		}
	}

OpenGLView::OpenGLView()
	:
	BGroupView("OpenGLView", B_VERTICAL)
{

	BGLView* glView = new BGLView(BRect(0, 0, 1, 1), "gl info", B_FOLLOW_NONE, 0,
		BGL_RGB | BGL_DOUBLE);
	glView->Hide();
	AddChild(glView);

	glView->LockGL();

    BMenu* menu = new BMenu(B_TRANSLATE("Automatic"));
    menu->SetRadioMode(true);
    menu->SetLabelFromMarked(true);
    menu->AddItem(new BMenuItem(B_TRANSLATE("Automatic"),
        new BMessage(MENU_AUTO_MESSAGE)));
    menu->AddSeparatorItem();
    menu->AddItem(new BMenuItem(B_TRANSLATE("Software Rasterizer"),
        new BMessage(MENU_SWRAST_MESSAGE)));
    menu->AddItem(new BMenuItem(B_TRANSLATE("Gallium Software Pipe"),
        new BMessage(MENU_SWPIPE_MESSAGE)));
    menu->AddItem(new BMenuItem(B_TRANSLATE("Gallium LLVM Pipe"),
        new BMessage(MENU_SWLLVM_MESSAGE)));
    BMenuField* menuField = new BMenuField("renderer",
        B_TRANSLATE("3D Rendering Engine:"), menu);
	// TODO:  Set current Renderer
	menuField->SetEnabled(false);

	BTabView *tabView = new BTabView("tab view", B_WIDTH_FROM_LABEL);
	tabView->AddTab(new InfoView());
	tabView->AddTab(new CapabilitiesView());
	tabView->AddTab(new ExtensionsView());

	glView->UnlockGL();

	GroupLayout()->SetSpacing(0);
	BLayoutBuilder::Group<>(this)
		.SetInsets(B_USE_DEFAULT_SPACING, B_USE_DEFAULT_SPACING,
			B_USE_DEFAULT_SPACING, B_USE_DEFAULT_SPACING)
		.Add(menuField)
		.AddGroup(B_HORIZONTAL)
			.Add(tabView)
			.SetInsets(0, B_USE_DEFAULT_SPACING, 0, 0);
}

void
PersonView::AddAttribute(const char* label, const char* attribute)
{
	// Check if this attribute has already been added.
	AttributeTextControl* control = NULL;
	for (int32 i = fControls.CountItems() - 1; i >= 0; i--) {
		if (fControls.ItemAt(i)->Attribute() == attribute) {
			return;
		}
	}

	control = new AttributeTextControl(label, attribute);
	fControls.AddItem(control);

	BGridLayout* layout = GridLayout();
	int32 row = fControls.CountItems();

	if (fCategoryAttribute == attribute) {
		// Special case the category attribute. The Group popup field will
		// be added as the label instead.
		fGroups = new BPopUpMenu(label);
		fGroups->SetRadioMode(false);
		BuildGroupMenu();

		BMenuField* field = new BMenuField("", "", fGroups);
		field->SetEnabled(true);
		layout->AddView(field, 1, row);

		control->SetLabel("");
		layout->AddView(control, 2, row);
	} else {
		layout->AddItem(control->CreateLabelLayoutItem(), 1, row);
		layout->AddItem(control->CreateTextViewLayoutItem(), 2, row);
	}

	SetAttribute(attribute, true);
}

//.........这里部分代码省略.........
	} else {
		r.Set(x - 12, y, windowRect.Width() - SEPARATOR_MARGIN,
			y + menuFieldHeight);
		string[0] = 0;
	}

	y += controlHeight;
	fTo = new TTextControl(r, string, new BMessage(TO_FIELD), fIncoming,
		resending, B_FOLLOW_LEFT_RIGHT);
	fTo->SetFilter(mail_to_filter);

	if (!fIncoming || resending) {
		fTo->SetChoiceList(&fEmailList);
		fTo->SetAutoComplete(true);
	} else {
		fTo->SetDivider(x - 12 - SEPARATOR_MARGIN);
		fTo->SetAlignment(B_ALIGN_RIGHT, B_ALIGN_LEFT);
	}

	AddChild(fTo);
	msg = new BMessage(FIELD_CHANGED);
	msg->AddInt32("bitmask", FIELD_TO);
	fTo->SetModificationMessage(msg);

	if (!fIncoming || resending) {
		r.right = r.left - 5;
		r.left = r.right - ceilf(be_plain_font->StringWidth(
			B_TRANSLATE("To:")) + 25);
		r.top -= 1;
		fToMenu = new QPopupMenu(B_TRANSLATE("To:"));
		field = new BMenuField(r, "", "", fToMenu, true,
			B_FOLLOW_LEFT | B_FOLLOW_TOP, B_WILL_DRAW);
		field->SetDivider(0.0);
		field->SetEnabled(true);
		AddChild(field);
	}

	// "From:" accounts Menu and Encoding Menu.
	if (!fIncoming || resending) {
		// Put the character set box on the right of the From field.
		r.Set(windowRect.Width() - widestCharacterSet -
			StringWidth(B_TRANSLATE("Encoding:")) - 2 * SEPARATOR_MARGIN,
			y - 2, windowRect.Width() - SEPARATOR_MARGIN, y + menuFieldHeight);
		BMenuField* encodingField = new BMenuField(r, "encoding",
			B_TRANSLATE("Encoding:"), fEncodingMenu, true /* fixedSize */,
			B_FOLLOW_TOP | B_FOLLOW_RIGHT,
			B_WILL_DRAW | B_NAVIGABLE | B_NAVIGABLE_JUMP);
		encodingField->SetDivider(encodingField->StringWidth(
			B_TRANSLATE("Encoding:")) + 5);
		AddChild(encodingField);

		field = encodingField;

		// And now the "from account" pop-up menu, on the left side, taking the
		// remaining space.

		fAccountMenu = new BPopUpMenu(B_EMPTY_STRING);

		BMailAccounts accounts;
		bool marked = false;
		for (int32 i = 0; i < accounts.CountAccounts(); i++) {
			BMailAccountSettings* account = accounts.AccountAt(i);
			BString name = account->Name();
			name << ":   " << account->RealName() << "  <"
				<< account->ReturnAddress() << ">";

//.........这里部分代码省略.........
				msg->AddRef("refs", &ref);
				BMenuItem* menuitem = menu->FindItem(path.Leaf());
				if (menuitem == NULL)
					menu->AddItem(menuitem = new BMenuItem(path.Leaf(), msg), 0);
				// refresh item
				fEventList->SetPath(BPath(&ref).Path());
				// check file menu
				if (menuitem != NULL)
					menuitem->SetMarked(true);
			}
			break;
		}

		case M_PLAY_MESSAGE:
		{
			HEventRow* row = (HEventRow*)fEventList->CurrentSelection();
			if (row != NULL) {
				const char* path = row->Path();
				if (path != NULL) {
					entry_ref ref;
					::get_ref_for_path(path, &ref);
					delete fPlayer;
					fPlayer = new BFileGameSound(&ref, false);
					fPlayer->StartPlaying();
				}
			}
			break;
		}

		case M_STOP_MESSAGE:
		{
			if (fPlayer == NULL)
				break;
			if (fPlayer->IsPlaying()) {
				fPlayer->StopPlaying();
				delete fPlayer;
				fPlayer = NULL;
			}
			break;
		}

		case M_EVENT_CHANGED:
		{
			const char* path;
			BMenuField* menufield
				= dynamic_cast<BMenuField*>(FindView("filemenu"));
			if (menufield == NULL)
				return;
			BMenu* menu = menufield->Menu();

			if (message->FindString("path", &path) == B_OK) {
				BPath path(path);
				if (path.InitCheck() != B_OK) {
					BMenuItem* item = menu->FindItem(B_TRANSLATE("<none>"));
					if (item != NULL)
						item->SetMarked(true);
				} else {
					BMenuItem* item = menu->FindItem(path.Leaf());
					if (item != NULL)
						item->SetMarked(true);
				}

				HEventRow* row = (HEventRow*)fEventList->CurrentSelection();
				BButton* button = dynamic_cast<BButton*>(FindView("play"));
				if (row != NULL) {
					menufield->SetEnabled(true);

					const char* path = row->Path();
					if (path != NULL && strcmp(path, ""))
						button->SetEnabled(true);
					else
						button->SetEnabled(false);
				} else {
					menufield->SetEnabled(false);
					button->SetEnabled(false);
				}
			}
			break;
		}

		case M_ITEM_MESSAGE:
		{
			entry_ref ref;
			if (message->FindRef("refs", &ref) == B_OK) {
				fEventList->SetPath(BPath(&ref).Path());
				_UpdateZoomLimits();
			}
			break;
		}

		case M_NONE_MESSAGE:
		{
			fEventList->SetPath(NULL);
			break;
		}

		default:
			BWindow::MessageReceived(message);
	}
}

NetworkWindow::NetworkWindow()
	:
	BWindow(BRect(100, 100, 400, 400), B_TRANSLATE("Network"), B_TITLED_WINDOW,
		B_ASYNCHRONOUS_CONTROLS | B_NOT_ZOOMABLE | B_AUTO_UPDATE_SIZE_LIMITS),
	fServicesItem(NULL),
	fDialUpItem(NULL),
	fOtherItem(NULL)
{
	// Profiles section
#if ENABLE_PROFILES
	BPopUpMenu* profilesPopup = new BPopUpMenu("<none>");
	_BuildProfilesMenu(profilesPopup, kMsgProfileSelected);

	BMenuField* profilesMenuField = new BMenuField("profiles_menu",
		B_TRANSLATE("Profile:"), profilesPopup);

	profilesMenuField->SetFont(be_bold_font);
	profilesMenuField->SetEnabled(false);
#endif

	// Settings section

	fRevertButton = new BButton("revert", B_TRANSLATE("Revert"),
		new BMessage(kMsgRevert));

	BMessage* message = new BMessage(kMsgToggleReplicant);
	BCheckBox* showReplicantCheckBox = new BCheckBox("showReplicantCheckBox",
		B_TRANSLATE("Show network status in Deskbar"), message);
	showReplicantCheckBox->SetExplicitMaxSize(
		BSize(B_SIZE_UNLIMITED, B_SIZE_UNSET));
	showReplicantCheckBox->SetValue(_IsReplicantInstalled());

	fListView = new BOutlineListView("list", B_SINGLE_SELECTION_LIST,
		B_WILL_DRAW | B_FULL_UPDATE_ON_RESIZE | B_FRAME_EVENTS | B_NAVIGABLE);
	fListView->SetSelectionMessage(new BMessage(kMsgItemSelected));

	BScrollView* scrollView = new BScrollView("ScrollView", fListView,
		0, false, true);
	scrollView->SetExplicitMaxSize(BSize(B_SIZE_UNLIMITED, B_SIZE_UNSET));

	fAddOnShellView = new BView("add-on shell", 0,
		new BGroupLayout(B_VERTICAL));
	fAddOnShellView->SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));

	fInterfaceView = new InterfaceView();

	// Build the layout
	BLayoutBuilder::Group<>(this, B_VERTICAL)
		.SetInsets(B_USE_DEFAULT_SPACING)

#if ENABLE_PROFILES
		.AddGroup(B_HORIZONTAL, B_USE_SMALL_SPACING)
			.Add(profilesMenuField)
			.AddGlue()
		.End()
#endif
		.AddGroup(B_HORIZONTAL, B_USE_DEFAULT_SPACING)
			.Add(scrollView)
			.Add(fAddOnShellView)
			.End()
		.Add(showReplicantCheckBox)
		.AddGroup(B_HORIZONTAL, B_USE_DEFAULT_SPACING)
			.Add(fRevertButton)
			.AddGlue()
		.End();

	gNetworkWindow = this;

	_ScanInterfaces();
	_ScanAddOns();
	_UpdateRevertButton();

	fListView->Select(0);
	_SelectItem(fListView->ItemAt(0));
		// Call this manually, so that CenterOnScreen() below already
		// knows the final window size.

	// Set size of the list view from its contents
	float width;
	float height;
	fListView->GetPreferredSize(&width, &height);
	width += 2 * be_control_look->DefaultItemSpacing();
	fListView->SetExplicitSize(BSize(width, B_SIZE_UNSET));
	fListView->SetExplicitMinSize(BSize(width, std::min(height, 400.f)));

	CenterOnScreen();

	fSettings.StartMonitoring(this);
	start_watching_network(B_WATCH_NETWORK_INTERFACE_CHANGES
		| B_WATCH_NETWORK_LINK_CHANGES | B_WATCH_NETWORK_WLAN_CHANGES, this);
}

void CharismaWindow::update_proxy_settings()
{
	const long sroffsets[]={
		0,
		0,
		0,
		0,
		0,
		3600,
		3600*6,
		3600*12,
		0,
		3600*24,
		3600*24*2,
		3600*24*3,
		0,
		3600*24*7,
		3600*24*14,
		0,
		3600*24*30,
		3600*24*30*2,
		3600*24*30*6,
		0,
		3600*24*365,
		3600*24*365*2,
		0,
		3600*24*365*10
	};
	
	BMenu *m;
	int i;
	struct system_info sinfo;

	// g_mode
	m=modemenu->Menu();
	g_mode=m->IndexOf(m->FindMarked());
	smartrefresh->SetEnabled(g_mode==k_online);

	// g_extcontrol
	g_extcontrol=extcontrol_item->IsMarked();

	// g_refreshdate
	m=smartrefresh->Menu();
	i=m->IndexOf(m->FindMarked());
	switch(i){
	case 0:		// dumb
		g_refreshdate=0;
		break;
	case 2:		// always
		g_refreshdate=LONG_MAX;
		break;
	case 3:		// once per session
		get_system_info(&sinfo);
		g_refreshdate=sinfo.boot_time/1000000;
		break;
	case 23:	// never
		g_refreshdate=-2;
		break;
	default:
		g_refreshdate=-sroffsets[i];
		// il faut ajouter time(NULL) à cette valeur !
		// (voir proxy.cpp)
		break;
	}
}

/***********************************************************
 * InitGUI
 ***********************************************************/
void
HAddressView::InitGUI()
{
	float divider = StringWidth(_("Subject:")) + 20;
	divider = max_c(divider , StringWidth(_("From:"))+20);
	divider = max_c(divider , StringWidth(_("To:"))+20);
	divider = max_c(divider , StringWidth(_("Bcc:"))+20);
	
	BRect rect = Bounds();
	rect.top += 5;
	rect.left += 20 + divider;
	rect.right = Bounds().right - 5;
	rect.bottom = rect.top + 25;
	
	BTextControl *ctrl;
	ResourceUtils rutils;
	const char* name[] = {"to","subject","from","cc","bcc"};
	
	for(int32 i = 0;i < 5;i++)
	{
		ctrl = new BTextControl(BRect(rect.left,rect.top
								,(i == 1)?rect.right+divider:rect.right
								,rect.bottom)
								,name[i],"","",NULL
								,B_FOLLOW_LEFT_RIGHT|B_FOLLOW_TOP,B_WILL_DRAW|B_NAVIGABLE);
		
		if(i == 1)
		{
			ctrl->SetLabel(_("Subject:"));
			ctrl->SetDivider(divider);
			ctrl->MoveBy(-divider,0);
		}else{
			ctrl->SetDivider(0);
		}
		BMessage *msg = new BMessage(M_MODIFIED);
		msg->AddPointer("pointer",ctrl);
		ctrl->SetModificationMessage(msg);
		ctrl->SetEnabled(!fReadOnly);
		AddChild(ctrl);
	
		rect.OffsetBy(0,25);
		switch(i)
		{
		case 0:
			fTo = ctrl;
			break;
		case 1:
			fSubject = ctrl;
			break;
		case 2:
			fFrom = ctrl;
			fFrom->SetEnabled(false);
			fFrom->SetFlags(fFrom->Flags() & ~B_NAVIGABLE);
			break;
		case 3:
			fCc = ctrl;
			break;
		case 4:
			fBcc = ctrl;
			break;
		}
	}
	//
	BRect menuRect= Bounds();
	menuRect.top += 5;
	menuRect.left += 22;
	menuRect.bottom = menuRect.top + 25;
	menuRect.right = menuRect.left + 16;
	
	BMenu *toMenu = new BMenu(_("To:"));
	BMenu *ccMenu = new BMenu(_("Cc:"));
	BMenu *bccMenu = new BMenu(_("Bcc:"));
	BQuery query;
	BVolume volume;
	BVolumeRoster().GetBootVolume(&volume);
	query.SetVolume(&volume);
	query.SetPredicate("((META:email=*)&&(BEOS:TYPE=application/x-person))");

	if(!fReadOnly && query.Fetch() == B_OK)
	{
		BString addr[4],name,group,nick;
		entry_ref ref;
		BList peopleList;
	
	
		while(query.GetNextRef(&ref) == B_OK)
		{
			BNode node(&ref);
			if(node.InitCheck() != B_OK)
				continue;
			
			ReadNodeAttrString(&node,"META:name",&name);		
			ReadNodeAttrString(&node,"META:email",&addr[0]);
			ReadNodeAttrString(&node,"META:email2",&addr[1]);
			ReadNodeAttrString(&node,"META:email3",&addr[2]);
			ReadNodeAttrString(&node,"META:email4",&addr[3]);
			ReadNodeAttrString(&node,"META:group",&group);
//.........这里部分代码省略.........