C++ BView::RemoveSelf方法代码示例

status_t
BBox::SetLabel(BView *viewLabel)
{
	if (viewLabel != NULL) {
		if (viewLabel == this || viewLabel->Window() != NULL || viewLabel->Parent() != NULL) return B_ERROR;
		AddChild(viewLabel, ChildAt(0));
		if (viewLabel->Parent() != this) return B_ERROR;
		viewLabel->SetResizingMode(B_FOLLOW_NONE);
	} else if (fLabelView == NULL) {
		return B_OK;
	}

	if (fLabelView != NULL) {
		BView *view = fLabelView;
		fLabelView = NULL;

		view->RemoveSelf();
		delete view;
	}

	fLabelView = viewLabel;
	ReAdjustLabel();

	return B_OK;
}

void RemoveChildren(BView* view)
{
	if (view != NULL) {
		BView* child;
		while ((child = view->ChildAt(0)) != NULL) {
			child->RemoveSelf();
			delete child;
		}
	}
}

void PrefWindow::MessageReceived(BMessage *message){
	BView *tmpV;
	int32 k;

	switch (message->what){
	case QUIT:
		Hide();
		break;
	
	case CHANGE_LANGUAGE:
		tmpV = ChildAt(0);
		if (tmpV != NULL){
			tmpV->RemoveSelf();
			delete tmpV;
		}
		BLayoutBuilder::Group<>(this)
		.AddGroup(B_VERTICAL, B_USE_DEFAULT_SPACING)
			.Add(new PrefView());
		break;
	
	case SET_FACTORY:
		k = (new BAlert(NULL,Language.get("FACTORY_SURE"),Language.get("APPLY"),Language.get("CANCEL")))->Go();
		if (k==0){
			Prefs.FactorySettings();
			KeyBind.InstallDefaults();
			tmpV = FindView("Prefs color");
			if (tmpV != NULL){
				PostMessage(COLOR_SELECT, tmpV);
			}
			tmpV = FindView("Prefs keys");
			if (tmpV != NULL){
				tmpV->LockLooper();
				tmpV->Pulse();
				tmpV->UnlockLooper();
			}else{
				be_app->PostMessage(CHANGE_LANGUAGE);
			}
			Pool.sample_view_dirty = true;	// update the sample-view
			Pool.update_draw_cache = true;	// update the draw cache
			Pool.update_index = true;		// update the index cache
			Pool.RedrawWindow();
		}
		break;

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

void
BTextWidget::StopEdit(bool saveChanges, BPoint poseLoc, BPoseView* view,
	BPose* pose, int32 poseIndex)
{
	// find the text editing view
	BView* scrollView = view->FindView("BorderView");
	ASSERT(scrollView != NULL);
	if (scrollView == NULL)
		return;

	BTextView* textView = dynamic_cast<BTextView*>(
		scrollView->FindView("WidgetTextView"));
	ASSERT(textView != NULL);
	if (textView == NULL)
		return;

	BColumn* column = view->ColumnFor(fAttrHash);
	ASSERT(column != NULL);
	if (column == NULL)
		return;

	if (saveChanges && fText->CommitEditedText(textView)) {
		// we have an actual change, re-sort
		view->CheckPoseSortOrder(pose, poseIndex);
	}

	// make text widget visible again
	SetVisible(true);
	view->Invalidate(ColumnRect(poseLoc, column, view));

	// force immediate redraw so TEView disappears
	scrollView->RemoveSelf();
	delete scrollView;

	ASSERT(view->Window() != NULL);
	view->Window()->UpdateIfNeeded();
	view->MakeFocus();

	SetActive(false);
}

void
BBox::SetLabel(const char *label)
{
	if (!(label == NULL || *label == 0)) {
		BStringView *strView = cast_as(fLabelView, BStringView);
		if (strView != NULL) {
			strView->SetText(label);
			strView->ResizeToPreferred();
			ReAdjustLabel();
			return;
		}

		if ((strView = new BStringView(BRect(0, 0, 1, 1), NULL, label, B_FOLLOW_NONE)) == NULL) return;
		strView->SetFont(be_bold_font);
		strView->ResizeToPreferred();
		if (SetLabel(strView) != B_OK) delete strView;
	} else if (fLabelView != NULL) {
		BView *view = fLabelView;
		fLabelView = NULL;

		view->RemoveSelf();
		delete view;
	}
}

// ToolboxWindow::InitWindow -- Initialization Commands here
void ToolboxWindow::InitWindow(void)
{
	BRect r;
	r = Bounds();
    // Add Controls
    
    // Toolbar
    //int ToolbarButtonMargin = 2;
    //int ToolbarButtonWidth = 22;
    //int ButtonGap = 1;
	
	// StringView Button
  	BRect BitmapFrame (BRect(0,0,23,23));
  	BPicture *tmpBPicture;
  	BPicture *tmpBPicture2;
  	BView    *tmpBPictureView = new BView(BitmapFrame, "tmpBPictureView",B_FOLLOW_LEFT | B_FOLLOW_TOP, B_WILL_DRAW | B_NAVIGABLE);
  	rgb_color toolbar_button_background = { 255, 255, 255, 0 };
  	
  	AddChild(tmpBPictureView);
  	
  	BBitmap *stringviewpicture = new BBitmap(BitmapFrame,B_RGB32);
	stringviewpicture->SetBits(stringviewicon,1728,0,B_RGB32);
  	tmpBPictureView->SetLowColor(toolbar_button_background);
  	tmpBPictureView->BeginPicture(new BPicture);
  	tmpBPictureView->DrawBitmap(stringviewpicture,BPoint(0,0));
  	tmpBPicture = tmpBPictureView->EndPicture();
  	
  	tmpBPictureView->RemoveSelf();
    AddChild(tmpBPictureView);
  	
  	BBitmap *stringviewpicture_state2 = new BBitmap(BitmapFrame,B_RGB32);
	stringviewpicture_state2->SetBits(stringviewiconinverse,1728,0,B_RGB32);
	tmpBPictureView->SetLowColor(toolbar_button_background);
  	tmpBPictureView->BeginPicture(new BPicture);
  	tmpBPictureView->DrawBitmap(stringviewpicture_state2,BPoint(0,0));
  	tmpBPicture2 = tmpBPictureView->EndPicture();
  		
 	btnBrieStringViewControl = new BPictureButton(BRect (1,0,24,23),"StringView",tmpBPicture,tmpBPicture2, new BMessage(TOOLBOX_BTN_STRINGVIEWCONTROL),B_ONE_STATE_BUTTON, B_FOLLOW_LEFT | B_FOLLOW_TOP, B_WILL_DRAW | B_NAVIGABLE);
 	 	
	tmpBPictureView->RemoveSelf();
	AddChild(tmpBPictureView);
    //--------------------------------------------------------------------//
        
    // TextView Button
    BBitmap *textviewpicture = new BBitmap(BitmapFrame,B_RGB32);
	textviewpicture->SetBits(brietextcontrol,1728,0,B_RGB32);
  	tmpBPictureView->SetLowColor(toolbar_button_background);
  	tmpBPictureView->BeginPicture(new BPicture);
  	tmpBPictureView->DrawBitmap(textviewpicture,BPoint(0,0));
  	tmpBPicture = tmpBPictureView->EndPicture();
  	
  	tmpBPictureView->RemoveSelf();
    AddChild(tmpBPictureView);
  	
  	BBitmap *textviewpicture_state2 = new BBitmap(BitmapFrame,B_RGB32);
	textviewpicture_state2->SetBits(brietextcontrolinverse,1728,0,B_RGB32);
	tmpBPictureView->SetLowColor(toolbar_button_background);
  	tmpBPictureView->BeginPicture(new BPicture);
  	tmpBPictureView->DrawBitmap(textviewpicture_state2,BPoint(0,0));
  	tmpBPicture2 = tmpBPictureView->EndPicture();
  	
  	btnBrieTextControl = new BPictureButton(BRect (26,0,50,23),"TextControl",tmpBPicture,tmpBPicture2, new BMessage(TOOLBOX_BTN_TEXTCONTROL),B_ONE_STATE_BUTTON, B_FOLLOW_LEFT | B_FOLLOW_TOP, B_WILL_DRAW | B_NAVIGABLE);
 	
	tmpBPictureView->RemoveSelf();
	AddChild(tmpBPictureView);
	//--------------------------------------------------------------------//
	
	// Button Button
	BBitmap *buttonpicture = new BBitmap(BitmapFrame,B_RGB32);
	buttonpicture->SetBits(stringviewicon,1728,0,B_RGB32);
  	tmpBPictureView->SetLowColor(toolbar_button_background);
  	tmpBPictureView->BeginPicture(new BPicture);
  	tmpBPictureView->DrawBitmap(buttonpicture,BPoint(0,0));
  	tmpBPicture = tmpBPictureView->EndPicture();
  	
  	tmpBPictureView->RemoveSelf();
    AddChild(tmpBPictureView);
  	
  	BBitmap *buttonpicture_state2 = new BBitmap(BitmapFrame,B_RGB32);
	buttonpicture_state2->SetBits(stringviewiconinverse,1728,0,B_RGB32);
	tmpBPictureView->SetLowColor(toolbar_button_background);
  	tmpBPictureView->BeginPicture(new BPicture);
  	tmpBPictureView->DrawBitmap(buttonpicture_state2,BPoint(0,0));
  	tmpBPicture2 = tmpBPictureView->EndPicture();
  		
 	btnBrieButtonControl = new BPictureButton(BRect (1,25,24,48),
 							  "Button",tmpBPicture,tmpBPicture2, new BMessage(TOOLBOX_BTN_BUTTONCONTROL),B_ONE_STATE_BUTTON, B_FOLLOW_LEFT | B_FOLLOW_TOP, B_WILL_DRAW | B_NAVIGABLE);
 	
	tmpBPictureView->RemoveSelf();
	AddChild(tmpBPictureView);
    //--------------------------------------------------------------------//
    
    // Picture Button
    BBitmap *picturepicture = new BBitmap(BitmapFrame,B_RGB32);
	picturepicture->SetBits(stringviewicon,1728,0,B_RGB32);
  	tmpBPictureView->SetLowColor(toolbar_button_background);
  	tmpBPictureView->BeginPicture(new BPicture);
  	tmpBPictureView->DrawBitmap(picturepicture,BPoint(0,0));
  	tmpBPicture = tmpBPictureView->EndPicture();
//.........这里部分代码省略.........

PrinterItem::PrinterItem(PrintersWindow* window, const BDirectory& node,
		PrinterListLayoutData& layoutData)
	: BListItem(0, false),
	fFolder(NULL),
	fNode(node),
	fLayoutData(layoutData)
{
	BRect rect(0, 0, B_LARGE_ICON - 1, B_LARGE_ICON - 1);
	if (sIcon == NULL) {
#ifdef HAIKU_TARGET_PLATFORM_HAIKU
		sIcon = new BBitmap(rect, B_RGBA32);
#else
		sIcon = new BBitmap(rect, B_CMAP8);
#endif
		BMimeType type(PSRV_PRINTER_FILETYPE);
		type.GetIcon(sIcon, B_LARGE_ICON);
	}

	if (sIcon && sIcon->IsValid() && sSelectedIcon == NULL) {
		const float checkMarkIconSize = 20.0;
		BBitmap *checkMark = _LoadVectorIcon("check_mark_icon",
			checkMarkIconSize);
		if (checkMark && checkMark->IsValid()) {
			sSelectedIcon = new BBitmap(rect, B_RGBA32, true);
			if (sSelectedIcon && sSelectedIcon->IsValid()) {
				// draw check mark at bottom left over printer icon
				BView *view = new BView(rect, "offscreen", B_FOLLOW_ALL,
					B_WILL_DRAW);
				float y = rect.Height() - checkMark->Bounds().Height();
				sSelectedIcon->Lock();
				sSelectedIcon->AddChild(view);
				view->DrawBitmap(sIcon);
				view->SetDrawingMode(B_OP_ALPHA);
				view->DrawBitmap(checkMark, BPoint(0, y));
				view->Sync();
				view->RemoveSelf();
				sSelectedIcon->Unlock();
				delete view;
			}
		}
		delete checkMark;
	}

	// Get Name of printer
	_GetStringProperty(PSRV_PRINTER_ATTR_PRT_NAME, fName);
	_GetStringProperty(PSRV_PRINTER_ATTR_COMMENTS, fComments);
	_GetStringProperty(PSRV_PRINTER_ATTR_TRANSPORT, fTransport);
	_GetStringProperty(PSRV_PRINTER_ATTR_TRANSPORT_ADDR, fTransportAddress);
	_GetStringProperty(PSRV_PRINTER_ATTR_DRV_NAME, fDriverName);

	BPath path;
	if (find_directory(B_USER_PRINTERS_DIRECTORY, &path) != B_OK)
		return;

	// Setup spool folder
	path.Append(fName.String());
	BDirectory dir(path.Path());
	if (dir.InitCheck() == B_OK) {
		fFolder = new SpoolFolder(window, this, dir);
		UpdatePendingJobs();
	}
}

void
ActivityWindow::MessageReceived(BMessage* message)
{
	if (message->WasDropped()) {
		_MessageDropped(message);
		return;
	}

	switch (message->what) {
		case B_REFS_RECEIVED:
		case B_SIMPLE_DATA:
			_MessageDropped(message);
			break;

		case kMsgAddView:
		{
#ifdef __HAIKU__
			BView* firstView = fLayout->View()->ChildAt(0);

			_AddDefaultView();

			if (firstView != NULL)
				ResizeBy(0, firstView->Bounds().Height() + fLayout->Spacing());
#endif
			break;
		}

		case kMsgRemoveView:
		{
#ifdef __HAIKU__
			BView* view;
			if (message->FindPointer("view", (void**)&view) != B_OK)
				break;

			view->RemoveSelf();
			ResizeBy(0, -view->Bounds().Height() - fLayout->Spacing());
			delete view;
#endif
			break;
		}

		case kMsgShowSettings:
		{
			if (fSettingsWindow.IsValid()) {
				// Just bring the window to front (via scripting)
				BMessage toFront(B_SET_PROPERTY);
				toFront.AddSpecifier("Active");
				toFront.AddSpecifier("Window", B_TRANSLATE("Settings"));
				toFront.AddBool("data", true);
				fSettingsWindow.SendMessage(&toFront);
			} else {
				// Open new settings window
				BWindow* window = new SettingsWindow(this);
				window->Show();

				fSettingsWindow = window;
			}
			break;
		}

		case kMsgTimeIntervalUpdated:
			BroadcastToActivityViews(message);
			break;

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

/*!	\brief		Destructor for the class ActivityWindow
 */
ActivityWindow::~ActivityWindow()
{
	BView* toRemove;
	
	if ( NULL != ( toRemove = FindView( "Explanation 1" ) ) ) {
		toRemove->RemoveSelf();
		delete toRemove;
	}
	
	if ( NULL != ( toRemove = FindView( "Background" ) ) ) {
		toRemove->RemoveSelf();
		delete toRemove;
	}
	if ( NULL != ( toRemove = FindView( "Text view explanation" ) ) ) {
		toRemove->RemoveSelf();
		delete toRemove;
	}
	if ( NULL != fTextScroller ) {
		fTextScroller->RemoveSelf();
		delete fTextScroller;
	}
	if ( NULL != fNoteText ) {
		fNoteText->RemoveSelf();
		delete fNoteText;
	}
	if ( NULL != ( toRemove = FindView( "Sound file explanation" ) ) ) {
		toRemove->RemoveSelf();
		delete toRemove;
	}
	if ( NULL != ( toRemove = FindView( "Sound file name" ) ) ) {
		toRemove->RemoveSelf();
		delete toRemove;
	}
	if ( NULL != ( toRemove = FindView( "Program explanation" ) ) ) {
		toRemove->RemoveSelf();
		delete toRemove;
	}
	if ( NULL != ( toRemove = FindView( "Program file name" ) ) ) {
		toRemove->RemoveSelf();
		delete toRemove;
	}
	if ( NULL != ( toRemove = FindView( "Program file options explanation" ) ) ) {
		toRemove->RemoveSelf();
		delete toRemove;
	}
	if ( NULL != ( toRemove = FindView( "Program file options" ) ) ) {
		toRemove->RemoveSelf();
		delete toRemove;
	}
	if ( NULL != ( toRemove = FindView( "Snooze time selector" ) ) ) {
		toRemove->RemoveSelf();
		delete toRemove;
	}
	if ( NULL != ( toRemove = FindView( "Snooze button" ) ) ) {
		toRemove->RemoveSelf();
		delete toRemove;
	}
	if ( NULL != ( toRemove = FindView( "Dismiss button" ) ) ) {
		toRemove->RemoveSelf();
		delete toRemove;
	}
	
}	// <-- end of destructor for ActivityWindow