C++ BTextView::SetText方法代码示例

void
DataTranslationsWindow::_ShowInfoView()
{
	if (fConfigView) {
		fRightBox->RemoveChild(fConfigView);
		delete fConfigView;
		fConfigView = NULL;
	}

	BTextView* view = new BTextView("info text");
	view->MakeEditable(false);
	view->MakeSelectable(false);
	view->SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
	view->SetText(B_TRANSLATE(
		"Use this control panel to set default values for translators, "
		"to be used when no other settings are specified by an application."));

	BGroupView* group = new BGroupView(B_VERTICAL);
	group->SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
	group->AddChild(view);
	float spacing = be_control_look->DefaultItemSpacing();
	group->GroupLayout()->SetInsets(spacing, spacing, spacing, spacing);
	fRightBox->AddChild(group);
	fConfigView = group;
}

void
DTipWatcherView::ShowTip(BPoint pt, const char *text)
{
	if (!text)
		return;
	
	Window()->SetWorkspaces(B_CURRENT_WORKSPACE);
	
	fTipView->SetText(text);
	
	// Figure the size of the tip. We do have a maximum width of 200 and a maximum height of 400, but
	// we only want to use the maximum size if it's necessary.
	fTipView->ResizeTo(200,400);
	fTipView->SetTextRect(BRect(2,2,198,398));
	
	int32 lineCount = fTipView->CountLines();
	float width = 200.0;
	
	if (lineCount == 1)
		width = fTipView->LineWidth() + 4;
	
	float height = fTipView->TextHeight(0,lineCount);
	height = (height < 400) ? height : 400;
	Window()->ResizeTo(width,height);
	
	fTipView->SetTextRect(BRect(2,2, width - 4, height - 4));
	
	BPoint winpt = PointForTip(pt);
	Window()->MoveTo(winpt.x,winpt.y);
	Window()->Show();
}

ServiceView::ServiceView(const char* name, const char* executable,
	const char* title, const char* description, BNetworkSettings& settings)
	:
	BView("service", 0),
	fName(name),
	fExecutable(executable),
	fSettings(settings)
{
	BStringView* titleView = new BStringView("service", title);
	titleView->SetFont(be_bold_font);
	titleView->SetExplicitMaxSize(BSize(B_SIZE_UNLIMITED, B_SIZE_UNSET));

	BTextView* descriptionView = new BTextView("description");
	descriptionView->SetText(description);
	descriptionView->SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
	descriptionView->MakeEditable(false);

	fEnableButton = new BButton("toggler", B_TRANSLATE("Enable"),
		new BMessage(kMsgToggleService));

	BLayoutBuilder::Group<>(this, B_VERTICAL)
		.Add(titleView)
		.Add(descriptionView)
		.AddGroup(B_HORIZONTAL)
			.AddGlue()
			.Add(fEnableButton);

	SetExplicitMinSize(BSize(200, B_SIZE_UNSET));
	_UpdateEnableButton();

	fWasEnabled = IsEnabled();
}

void	
AddWindow::MessageReceived(BMessage *mess){

	
	if(mess->what == 'can'){
		BMessenger(this).SendMessage(B_QUIT_REQUESTED); 
	}
	else
	if(mess->what == 'sav'){
		BTextView *textView = (BTextView*)FindView("rss_url");
		if (textView){
			BMessage	msg(DOWNLOAD_CHANNEL);
			msg.AddString("url",textView->Text());
			BMessenger(main_window).SendMessage(&msg);
			BMessenger(this).SendMessage(B_QUIT_REQUESTED);
		} 
	}
	else
	if(mess->what== 'past'){
		BString url;
		mess->FindString("url",&url);
		BTextView *textView = (BTextView*)FindView("rss_url");
		if (textView){
			textView->SetText(url.String());
		}
	}
	else BWindow::MessageReceived(mess);
}

int32_t
PTextViewSetText(void *pobject, void *in, void *out, void *extraData)
{
	if (!pobject || !in || !out)
		return B_ERROR;

	PView *parent = static_cast<PView*>(pobject);
	if (!parent)
		return B_BAD_TYPE;
	
	BTextView *backend = (BTextView*)parent->GetView();


	PArgs *inArgs = static_cast<PArgs*>(in);

	BString text;
	if (inArgs->FindString("text", &text) != B_OK)
		return B_ERROR;

	int32 length;
	if (inArgs->FindInt32("length", &length) != B_OK)
		return B_ERROR;

	if (backend->Window())
		backend->Window()->Lock();


	backend->SetText(text.String(), length);

	if (backend->Window())
		backend->Window()->Unlock();

	return B_OK;
}

void 
Shelf::StartConfig(BView *view) 
{
	PRINT(("%p:%s()\n", this, __FUNCTION__));
	fInConfig = true;

	BStringView* titleString = new BStringView("Title",
		B_TRANSLATE("Shelf"));
	titleString->SetFont(be_bold_font);

	BStringView* copyrightString = new BStringView("Copyright",
		B_TRANSLATE("© 2012 François Revol."));

	BTextView* helpText = new BTextView("Help Text");
	helpText->MakeEditable(false);
	helpText->SetViewColor(view->ViewColor());
	rgb_color textColor = ui_color(B_PANEL_TEXT_COLOR);
	helpText->SetFontAndColor(be_plain_font, B_FONT_ALL, &textColor);
	BString help;
	help << B_TRANSLATE("Drop replicants on the full-screen window "
		"behind the preferences panel.");
	//help << "\n\n";
	//help << B_TRANSLATE("You can also drop colors.");
	helpText->SetText(help.String());

	BLayoutBuilder::Group<>(view, B_VERTICAL, B_USE_HALF_ITEM_SPACING)
		.SetInsets(B_USE_DEFAULT_SPACING)
		.Add(titleString)
		.Add(copyrightString)
		.AddStrut(roundf(be_control_look->DefaultItemSpacing() / 2))
		.Add(helpText)
		.AddGlue()
	.End();

	BScreen screen;
	fConfigWindow = new BWindow(screen.Frame(), "Shelf Config",
		B_UNTYPED_WINDOW, B_NOT_MOVABLE | B_NOT_CLOSABLE | B_NOT_ZOOMABLE
		| B_NOT_MINIMIZABLE | B_NOT_RESIZABLE | B_AVOID_FRONT | B_AVOID_FOCUS);

	BView *shelfView = new BView(fConfigWindow->Bounds(), "ShelfView", 
		B_FOLLOW_NONE, B_WILL_DRAW | B_FRAME_EVENTS);
	shelfView->SetViewColor(216, 216, 216, 0);

	fConfigWindow->AddChild(shelfView);

	fShelfData.Seek(SEEK_SET, 0LL);
	fShelf = new BShelf(&fShelfData, shelfView);
	fShelf->SetDisplaysZombies(true);
	fShelfData.Seek(SEEK_SET, 0LL);

	// start the Looper
	fConfigWindow->Show();

	fConfigWindow->Lock();
	fConfigWindow->SendBehind(view->Window());
	fConfigWindow->Unlock();

	//"\nDrop replicants on me!"
} 

	window() : BWindow(BRect(30, 30, 300, 300), "BTextView test", B_DOCUMENT_WINDOW, B_ASYNCHRONOUS_CONTROLS)
	{
		BTextView *textview = new BTextView(Bounds(), "textview", Bounds(),
											B_FOLLOW_ALL, B_WILL_DRAW);
		AddChild(textview);
		textview->SetText("Type into the Antares BTextView!");
		textview->MakeFocus();
	}

/***********************************************************
 * HardWrap
 ***********************************************************/
void
HWrapTextView::GetHardWrapedText(BString &out)
{
	MakeEditable(false);
	
	BTextView *offview = new BTextView(Bounds(),NULL,TextRect(),B_FOLLOW_ALL);
	offview->SetText(Text());
	
	BFont font;
	uint32 propa;
	GetFontAndColor(&font,&propa);
	out = "";
	offview->SetFontAndColor(&font,B_FONT_ALL);
	BString line;
	int32 length = offview->TextLength();
	float view_width = offview->TextRect().Width();
	char c=0;
	bool inserted;
	
	for(int32 i=0;i < length;i++)
	{
		c = offview->ByteAt(i);
		if(c == '\n')
		{
			line = "";
			continue;
		}
		line += c;
		if(font.StringWidth(line.String())>=view_width)
		{
			// Back 1 charactor.
			i--;
			line.Truncate(line.Length()-1);
			// Insert line break.
			inserted = false;
			int32 len = line.Length();
			for(int32 k = 0;k<len;k++)
			{
				if(offview->CanEndLine(i-k))
				{
					offview->Insert(i-k,"\n",1);
					inserted=true;
					i = i-k;
					break;
				}
			}
			// If could not find proper position, add line break to end.
			if(!inserted)
				offview->Insert(i,"\n",1);
			line = "";
		}
	}
	out = offview->Text();
	
	delete offview;
	MakeEditable(true);
}

void
ConfigWindow::MakeHowToView()
{
	BResources *resources = BApplication::AppResources();
	if (resources)
	{
		size_t length;
		char *buffer = (char *)resources->FindResource('ICON',101,&length);
		if (buffer)
		{
			BBitmap *bitmap = new BBitmap(BRect(0,0,63,63),B_CMAP8);
			if (bitmap && bitmap->InitCheck() == B_OK)
			{
				// copy and enlarge a 32x32 8-bit bitmap
				char *bits = (char *)bitmap->Bits();
				for (int32 i = 0,j = -64;i < length;i++)
				{
					if ((i % 32) == 0)
						j += 64;

					char *b = bits + (i << 1) + j;
					b[0] = b[1] = b[64] = b[65] = buffer[i];
				}
				fConfigView->AddChild(new BitmapView(bitmap));
			}
			else
				delete bitmap;
		}
	}

	BRect rect = fConfigView->Bounds();
	BTextView *text = new BTextView(rect,NULL,rect,B_FOLLOW_NONE,B_WILL_DRAW);
	text->SetViewColor(fConfigView->Parent()->ViewColor());
	text->SetAlignment(B_ALIGN_CENTER);
	text->SetText(
		MDR_DIALECT_CHOICE ("\n\nCreate a new account using the \"Add\" button.\n\n"
		"Delete accounts (or only the inbound/outbound) by using the \"Remove\" button on the selected item.\n\n"
		"Select an item in the list to edit its configuration.",
		"\n\nアカウントの新規作成は\"追加\"ボタンを\n使います。"
		"\n\nアカウント自体またはアカウントの\n送受信設定を削除するには\n項目を選択して\"削除\"ボタンを使います。"
		"\n\nアカウント内容の変更は、\nマウスで項目をクリックしてください。"));
	rect = text->Bounds();
	text->ResizeTo(rect.Width(),text->TextHeight(0,42));
	text->SetTextRect(rect);

	text->MakeEditable(false);
	text->MakeSelectable(false);

	fConfigView->AddChild(text);
	
	static_cast<CenterContainer *>(fConfigView)->Layout();
}

BTextView*
WizardPageView::CreateDescription(BRect frame, const char* name,
	const char* description)
{
	BTextView* view = new BTextView(frame, "text", 
		frame.OffsetToCopy(0, 0),
		B_FOLLOW_LEFT_RIGHT | B_FOLLOW_TOP,
		B_WILL_DRAW | B_PULSE_NEEDED | B_FRAME_EVENTS);
	view->MakeEditable(false);
	view->SetViewColor(ViewColor());
	view->SetStylable(true);
	view->SetText(description);
	return view;
}

void
AboutView::Pulse()
{
	char string[255];
	system_info info;
	get_system_info(&info);
	fUptimeView->SetText(UptimeToString(string, sizeof(string)));
	fMemView->SetText(MemUsageToString(string, sizeof(string), &info));

	if (fScrollRunner == NULL
		&& system_time() > fLastActionTime + 10000000) {
		BMessage message(SCROLL_CREDITS_VIEW);
		//fScrollRunner = new BMessageRunner(this, &message, 25000, -1);
	}
}

void
StringEditor::_UpdateText()
{
	BAutolock locker(fEditor);

	size_t viewSize = fEditor.ViewSize();
	// that may need some more memory...
	if ((off_t)viewSize < fEditor.FileSize())
		fEditor.SetViewSize(fEditor.FileSize());

	const char *buffer;
	if (fEditor.GetViewBuffer((const uint8 **)&buffer) == B_OK) {
		fTextView->SetText(buffer);
		fPreviousText.SetTo(buffer);
	}

	// restore old view size
	fEditor.SetViewSize(viewSize);
}

void
ConfigWindow::_MakeHowToView()
{
	app_info info;
	if (be_app->GetAppInfo(&info) == B_OK) {
		BFile appFile(&info.ref, B_READ_ONLY);
		BAppFileInfo appFileInfo(&appFile);
		if (appFileInfo.InitCheck() == B_OK) {
			BBitmap *bitmap = new (nothrow) BBitmap(BRect(0, 0, 63, 63),
				B_RGBA32);
			if (appFileInfo.GetIcon(bitmap, B_LARGE_ICON) == B_OK) {
				fConfigView->AddChild(new BitmapView(bitmap));
			} else
				delete bitmap;
		}
	}

	BRect rect = fConfigView->Bounds();
	BTextView *text = new BTextView(rect, NULL, rect, B_FOLLOW_NONE,
		B_WILL_DRAW);
	text->SetViewColor(fConfigView->Parent()->ViewColor());
	text->SetAlignment(B_ALIGN_CENTER);
	text->SetText(B_TRANSLATE(
		"\n\nCreate a new account with the Add button.\n\n"
		"Remove an account with the Remove button on the selected item.\n\n"
		"Select an item in the list to change its settings."));
	rect = text->Bounds();
	text->ResizeTo(rect.Width(), text->TextHeight(0, 42));
	text->SetTextRect(rect);

	text->MakeEditable(false);
	text->MakeSelectable(false);

	fConfigView->AddChild(text);

	fConfigView->Layout();
}

void
TestPageView::AttachedToWindow()
{
	BTextView* statusView = new BTextView("statusView",
		be_plain_font, NULL, B_WILL_DRAW);

	statusView->SetInsets(10, 10, 10, 10);
	statusView->MakeEditable(false);
	statusView->MakeSelectable(false);

	const char* title = B_TRANSLATE("Test Page");
	BString text;
	text << title << "\n\n";
	text << B_TRANSLATE(
		"Printer: %printer_name%\n"
		"Driver:  %driver%\n");

	text.ReplaceFirst("%printer_name%", fPrinter->Name());
	text.ReplaceFirst("%driver%", fPrinter->Driver());
	if (strlen(fPrinter->Transport()) > 0) {
		text << B_TRANSLATE("Transport: %transport% %transport_address%");

		text.ReplaceFirst("%transport%", fPrinter->Transport());
		text.ReplaceFirst("%transport_address%", fPrinter->TransportAddress());
	}

	statusView->SetText(text.String());
	BFont font;
	statusView->SetStylable(true);
	statusView->GetFont(&font);
	font.SetFace(B_BOLD_FACE);
	font.SetSize(font.Size() * 1.7);
	statusView->SetFontAndColor(0, strlen(title), &font);

	BGridLayoutBuilder gradiants(2.0);
	gradiants.View()->SetViewColor(B_TRANSPARENT_COLOR);

	for (int i = 0; i < kNumColorGradients; ++i) {
		BStringView* label = new BStringView(kColorGradients[i].name,
			kColorGradients[i].name);
		// label->SetAlignment(B_ALIGN_RIGHT);
		gradiants.Add(label, 0, i);
		gradiants.Add(new ColorGradientView(kColorGradients[i].color), 1, i);
	}

	SetLayout(new BGroupLayout(B_HORIZONTAL));
	AddChild(BGroupLayoutBuilder(B_VERTICAL, 0)
		.Add(BGroupLayoutBuilder(B_HORIZONTAL, 0)
			.Add(statusView)
			.Add(new LeafView())
		)
		.Add(BGroupLayoutBuilder(B_HORIZONTAL, 0)
			.Add(gradiants, 0.60)
			.Add(new RadialLinesView(), 0.40)
		)
		.AddGlue()
		.End()
	);

	// set layout background color to transparent instead
	// of default UI panel color
	ChildAt(0)->SetViewColor(B_TRANSPARENT_COLOR);
}

//.........这里部分代码省略.........
		"partitions to make room.\n\n\n");
	infoText << B_TRANSLATE(
		"2)   The Installer will make the Haiku partition itself bootable, "
		"but takes no steps to integrate Haiku into an existing boot menu. "
		"If you have GRUB already installed, you can add Haiku to its boot "
		"menu. Depending on what version of GRUB you use, this is done "
		"differently.\n\n\n");
	infoText << B_TRANSLATE(
		"2.1) GRUB (since os-prober v1.44)\n");
	infoText << B_TRANSLATE(
		"Starting with os-prober v1.44 (e.g. in Ubuntu 11.04 or later), Haiku "
		"should be recognized out of the box. To add Haiku to the GRUB menu, "
		"open a Terminal and enter:\n\n");
	infoText << B_TRANSLATE(
		"\tsudo update-grub\n\n\n");
	infoText << B_TRANSLATE(
		"2.2) GRUB 2\n");
	infoText << B_TRANSLATE(
		"If the os-prober approach doesn't work for you, GRUB 2 uses an extra "
		"configuration file to add custom entries to the boot menu. To add "
		"them to the top, you have to create/edit a file by launching your "
		"favorite editor from a Terminal like this:\n\n");
	infoText << B_TRANSLATE(
		"\tsudo <your favorite text editor> /etc/grub.d/40_custom\n\n");
	infoText << B_TRANSLATE(
		"GRUB's naming scheme for partitions is: (hdN,n)\n\n");
	infoText << B_TRANSLATE(
		"All hard disks start with \"hd\".\n");
	infoText << B_TRANSLATE(
		"\"N\" is the hard disk number, starting with \"0\".\n");
	infoText << B_TRANSLATE(
		"\"n\" is the partition number, which for GRUB 2 starts with \"1\"\n");
	infoText << B_TRANSLATE(
		"With GRUB 2 the first logical partition always has the number \"5\", "
		"regardless of the number of primary partitions.\n\n");
	infoText << B_TRANSLATE(
		"So below the heading that must not be edited, add something similar "
		"to these lines:\n\n");
	infoText << B_TRANSLATE(
		"\t# Haiku on /dev/sda7\n");
	infoText << B_TRANSLATE(
		"\tmenuentry \"Haiku Alpha\" {\n");
	infoText << B_TRANSLATE(
		"\t\tset root=(hd0,7)\n");
	infoText << B_TRANSLATE(
		"\t\tchainloader +1\n");
	infoText << B_TRANSLATE(
		"\t}\n\n");
	infoText << B_TRANSLATE(
		"Additionally you have to edit another file to actually display the "
		"boot menu:\n\n");
	infoText << B_TRANSLATE(
		"\tsudo <your favorite text editor> /etc/default/grub\n\n");
	infoText << B_TRANSLATE(
		"Here you have to comment out the line \"GRUB_HIDDEN_TIMEOUT=0\" by "
		"putting a \"#\" in front of it in order to actually display the "
		"boot menu.\n\n");
	infoText << B_TRANSLATE(
		"Finally, you have to update the boot menu by entering:\n\n");
	infoText << B_TRANSLATE(
		"\tsudo update-grub\n\n\n");
	infoText << B_TRANSLATE(
		"3)   When you successfully boot into Haiku for the first time, make "
		"sure to read our \"Welcome\" and \"Userguide\" documentation. There "
		"are links on the Desktop and in WebPositive's bookmarks.\n\n");
	infoText << B_TRANSLATE(
		"Have fun and thanks a lot for trying out Haiku! We hope you like it!");

	BTextView* textView = new BTextView("eula", be_plain_font, NULL, B_WILL_DRAW);
	textView->SetInsets(10, 10, 10, 10);
	textView->MakeEditable(false);
	textView->MakeSelectable(false);
	textView->SetText(infoText);

	BScrollView* scrollView = new BScrollView("eulaScroll",
		textView, B_WILL_DRAW, false, true);

	BButton* cancelButton = new BButton(B_TRANSLATE("Quit"),
		new BMessage(B_QUIT_REQUESTED));
	cancelButton->SetTarget(be_app);

	BButton* continueButton = new BButton(B_TRANSLATE("Continue"),
		new BMessage(kMsgAgree));
	continueButton->SetTarget(be_app);
	continueButton->MakeDefault(true);

	if (!be_roster->IsRunning(kTrackerSignature))
		SetWorkspaces(B_ALL_WORKSPACES);

	BLayoutBuilder::Group<>(this, B_VERTICAL, B_USE_DEFAULT_SPACING)
		.SetInsets(B_USE_WINDOW_SPACING)
		.Add(scrollView)
		.AddGroup(B_HORIZONTAL, B_USE_ITEM_SPACING)
			.AddGlue()
			.Add(cancelButton)
			.Add(continueButton);

	CenterOnScreen();
	Show();
}