C++ BButton::MoveBy方法代码示例

BButton*
BAlert::_CreateButton(int32 which, const char* label)
{
	BMessage* message = new BMessage(kAlertButtonMsg);
	if (message == NULL)
		return NULL;

	message->AddInt32("which", which);

	BRect rect;
	rect.top = Bounds().bottom - kBottomOffset;
	rect.bottom = rect.top;

	char name[32];
	snprintf(name, sizeof(name), "_b%ld_", which);

	BButton* button = new(std::nothrow) BButton(rect, name, label, message,
		B_FOLLOW_RIGHT | B_FOLLOW_BOTTOM);
	if (button == NULL)
		return NULL;

	float width, height;
	button->GetPreferredSize(&width, &height);

	if (fButtonWidth == B_WIDTH_AS_USUAL) {
		float fontFactor = be_plain_font->Size() / 11.0f;
		width = max_c(width, kButtonUsualWidth * fontFactor);
	}

	button->ResizeTo(width, height);
	button->MoveBy(0.0f, -height);
	return button;
}

void
TFilePanel::SetButtonLabel(file_panel_button selector, const char* text)
{
	switch (selector) {
		case B_CANCEL_BUTTON:
			{
				BButton* button
					= dynamic_cast<BButton*>(FindView("cancel button"));
				if (button == NULL)
					break;

				float old_width = button->StringWidth(button->Label());
				button->SetLabel(text);
				float delta = old_width - button->StringWidth(text);
				if (delta) {
					button->MoveBy(delta, 0);
					button->ResizeBy(-delta, 0);
				}
			}
			break;

		case B_DEFAULT_BUTTON:
			{
				fButtonText = text;
				float delta = 0;
				BButton* button
					= dynamic_cast<BButton*>(FindView("default button"));
				if (button != NULL) {
					float old_width = button->StringWidth(button->Label());
					button->SetLabel(text);
					delta = old_width - button->StringWidth(text);
					if (delta) {
						button->MoveBy(delta, 0);
						button->ResizeBy(-delta, 0);
					}
				}

				// now must move cancel button
				button = dynamic_cast<BButton*>(FindView("cancel button"));
				if (button != NULL)
					button->MoveBy(delta, 0);
			}
			break;
	}
}

OpenWithContainerWindow::OpenWithContainerWindow(BMessage* entriesToOpen,
	LockingList<BWindow>* windowList, window_look look, window_feel feel,
	uint32 flags, uint32 workspace)
	:
	BContainerWindow(windowList, 0, look, feel, flags, workspace),
	fEntriesToOpen(entriesToOpen)
{
	AutoLock<BWindow> lock(this);

	BRect windowRect(85, 50, 718, 296);
	MoveTo(windowRect.LeftTop());
	ResizeTo(windowRect.Width(), windowRect.Height());

	// add a background view; use the standard BackgroundView here, the same
	// as the file panel is using
	BRect rect(Bounds());
	BackgroundView* backgroundView = new BackgroundView(rect);
	AddChild(backgroundView);

	rect = Bounds();

	// add buttons

	fLaunchButton = new BButton(rect, "ok",	B_TRANSLATE("Open"),
		new BMessage(kDefaultButton), B_FOLLOW_RIGHT | B_FOLLOW_BOTTOM);
	fLaunchButton->ResizeToPreferred();
	fLaunchButton->MoveTo(rect.right - 10 - kDocumentKnobWidth
		- fLaunchButton->Bounds().Width(),
		rect.bottom - 10.0f - fLaunchButton->Bounds().Height());
	backgroundView->AddChild(fLaunchButton);

	BRect buttonRect = fLaunchButton->Frame();
	fLaunchAndMakeDefaultButton = new BButton(buttonRect, "make default",
		B_TRANSLATE("Open and make preferred"),
		new BMessage(kOpenAndMakeDefault), B_FOLLOW_RIGHT | B_FOLLOW_BOTTOM);
	// wide button, have to resize to fit text
	fLaunchAndMakeDefaultButton->ResizeToPreferred();
	fLaunchAndMakeDefaultButton->MoveBy(-10.0f
		- fLaunchAndMakeDefaultButton->Bounds().Width(), 0.0f);
	backgroundView->AddChild(fLaunchAndMakeDefaultButton);
	fLaunchAndMakeDefaultButton->SetEnabled(false);

	buttonRect = fLaunchAndMakeDefaultButton->Frame();
	BButton* button = new BButton(buttonRect, "cancel", B_TRANSLATE("Cancel"),
		new BMessage(kCancelButton), B_FOLLOW_RIGHT | B_FOLLOW_BOTTOM);
	button->ResizeToPreferred();
	button->MoveBy(-10.0f - button->Bounds().Width(), 0.0f);
	backgroundView->AddChild(button);

	fMinimalWidth = button->Bounds().Width() + fLaunchButton->Bounds().Width()
		+ fLaunchAndMakeDefaultButton->Bounds().Width() + kDocumentKnobWidth
		+ 40.0f;

	fLaunchButton->MakeDefault(true);

	// add pose view

	rect.OffsetTo(10.0f, 10.0f);
	rect.bottom = buttonRect.top - 15.0f;

	rect.right -= B_V_SCROLL_BAR_WIDTH + 20.0f;
	rect.bottom -= B_H_SCROLL_BAR_HEIGHT;
		// make room for scrollbars and a margin
	fPoseView = NewPoseView(0, rect, kListMode);
	backgroundView->AddChild(fPoseView);

	fPoseView->SetFlags(fPoseView->Flags() | B_NAVIGABLE);
	fPoseView->SetPoseEditing(false);

	// set the window title
	if (CountRefs(fEntriesToOpen) == 1) {
		// if opening just one file, use it in the title
		entry_ref ref;
		fEntriesToOpen->FindRef("refs", &ref);
		BString buffer(B_TRANSLATE("Open %name with:"));
		buffer.ReplaceFirst("%name", ref.name);

		SetTitle(buffer.String());
	} else {
		// use generic title
		SetTitle(B_TRANSLATE("Open selection with:"));
	}

	AddCommonFilter(new BMessageFilter(B_KEY_DOWN,
		&OpenWithContainerWindow::KeyDownFilter));
}

void 
PasswordWindow::_Setup()
{
	BRect bounds = Bounds();
	BView* topView = new BView(bounds, "topView", B_FOLLOW_ALL, B_WILL_DRAW);
	topView->SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
	AddChild(topView);

	bounds.InsetBy(10.0, 10.0);
	fUseNetwork = new BRadioButton(bounds, "useNetwork", "Use network password",
		new BMessage(kMsgPasswordTypeChanged), B_FOLLOW_NONE);
	topView->AddChild(fUseNetwork);
	fUseNetwork->ResizeToPreferred();
	fUseNetwork->MoveBy(10.0, 0.0);

	bounds.OffsetBy(0.0, fUseNetwork->Bounds().Height());
	BBox *customBox = new BBox(bounds, "customBox", B_FOLLOW_NONE);
	topView->AddChild(customBox);

	fUseCustom = new BRadioButton(BRect(), "useCustom", "Use custom password",
		new BMessage(kMsgPasswordTypeChanged), B_FOLLOW_NONE);
	customBox->SetLabel(fUseCustom);
	fUseCustom->ResizeToPreferred();

	fPasswordControl = new BTextControl(bounds, "passwordControl", "Password:", 
		NULL, B_FOLLOW_NONE);
	customBox->AddChild(fPasswordControl);
	fPasswordControl->ResizeToPreferred();
	fPasswordControl->TextView()->HideTyping(true);
	fPasswordControl->SetAlignment(B_ALIGN_RIGHT, B_ALIGN_LEFT);
	
	bounds.OffsetBy(0.0, fPasswordControl->Bounds().Height() + 5.0);
	fConfirmControl = new BTextControl(bounds, "confirmControl", 
		"Confirm password:", "VeryLongPasswordPossible", B_FOLLOW_NONE);
	customBox->AddChild(fConfirmControl);
	fConfirmControl->TextView()->HideTyping(true);
	fConfirmControl->SetAlignment(B_ALIGN_RIGHT, B_ALIGN_LEFT);

	float width, height;
	fConfirmControl->GetPreferredSize(&width, &height);
	fPasswordControl->ResizeTo(width, height);
	fConfirmControl->ResizeTo(width, height);
	
	float divider = be_plain_font->StringWidth("Confirm password:") + 5.0;
	fConfirmControl->SetDivider(divider);
	fPasswordControl->SetDivider(divider);
	
	customBox->ResizeTo(fConfirmControl->Frame().right + 10.0,
		fConfirmControl->Frame().bottom + 10.0);
	
	BButton* button = new BButton(BRect(), "done", "Done", new BMessage(kMsgDone));
	topView->AddChild(button);
	button->ResizeToPreferred();

	BRect frame = customBox->Frame();
	button->MoveTo(frame.right - button->Bounds().Width(), frame.bottom + 10.0);

	frame = button->Frame();
	button->MakeDefault(true);

	button = new BButton(frame, "cancel", "Cancel", new BMessage(B_CANCEL));
	topView->AddChild(button);
	button->ResizeToPreferred();
	button->MoveBy(-(button->Bounds().Width() + 10.0), 0.0);

	ResizeTo(customBox->Frame().right + 10.0, frame.bottom + 10.0);
}