C++ BButton::SetExplicitAlignment方法代码示例

	BButton* _MakeButton(const char* label)
	{
		BButton* button = new BButton(label, new BMessage('BOOM'));
		button->SetExplicitMinSize(BSize(10, 50));
		button->SetExplicitMaxSize(BSize(500, 500));
		button->SetExplicitAlignment(BAlignment(B_ALIGN_USE_FULL_WIDTH,
			B_ALIGN_USE_FULL_HEIGHT));
		return button;
	}

TypeListWindow::TypeListWindow(const char* currentType, uint32 what,
		BWindow* target)
	:
	BWindow(BRect(100, 100, 360, 440), B_TRANSLATE("Choose type"),
		B_MODAL_WINDOW,
		B_NOT_ZOOMABLE | B_ASYNCHRONOUS_CONTROLS | B_AUTO_UPDATE_SIZE_LIMITS),
	fTarget(target),
	fWhat(what)
{
	float padding = be_control_look->DefaultItemSpacing();

	fSelectButton = new BButton("select", B_TRANSLATE("Done"),
		new BMessage(kMsgSelected));
	fSelectButton->SetEnabled(false);

	BButton* button = new BButton("cancel", B_TRANSLATE("Cancel"),
		new BMessage(B_CANCEL));

	fSelectButton->MakeDefault(true);

	fListView = new MimeTypeListView("typeview", NULL, true, false);
	fListView->SetSelectionMessage(new BMessage(kMsgTypeSelected));
	fListView->SetInvocationMessage(new BMessage(kMsgSelected));

	BScrollView* scrollView = new BScrollView("scrollview", fListView,
		B_FRAME_EVENTS | B_WILL_DRAW, false, true);

	SetLayout(new BGroupLayout(B_VERTICAL));
	AddChild(BGroupLayoutBuilder(B_VERTICAL, padding)
		.Add(scrollView)
		.Add(BGroupLayoutBuilder(B_HORIZONTAL, padding)
			.Add(button)
			.Add(fSelectButton)
		)
		.SetInsets(padding, padding, padding, padding)
	);

	BAlignment buttonAlignment =
		BAlignment(B_ALIGN_USE_FULL_WIDTH, B_ALIGN_VERTICAL_CENTER);
	button->SetExplicitAlignment(buttonAlignment);
	fSelectButton->SetExplicitAlignment(buttonAlignment);

	MoveTo(target->Frame().LeftTop() + BPoint(15.0f, 15.0f));
}

ScreenshotWindow::ScreenshotWindow(const Utility& utility, bool silent,
	bool clipboard)
	:
	BWindow(BRect(0, 0, 200.0, 100.0), B_TRANSLATE_SYSTEM_NAME("Screenshot"),
		B_TITLED_WINDOW, B_NOT_ZOOMABLE | B_NOT_RESIZABLE | B_AVOID_FRONT
			| B_QUIT_ON_WINDOW_CLOSE | B_AUTO_UPDATE_SIZE_LIMITS
			| B_CLOSE_ON_ESCAPE),
	fUtility(utility),
	fDelayControl(NULL),
	fScreenshot(NULL),
	fOutputPathPanel(NULL),
	fLastSelectedPath(NULL),
	fSettingsWindow(NULL),
	fDelay(0),
	fIncludeBorder(false),
	fIncludeCursor(false),
	fGrabActiveWindow(false),
	fOutputFilename(NULL),
	fExtension(""),
	fImageFileType(B_PNG_FORMAT)
{
	// _ReadSettings() needs a valid fOutputPathMenu
	fOutputPathMenu = new BMenu(B_TRANSLATE("Please select"));
	_ReadSettings();

	// _NewScreenshot() needs a valid fNameControl
	BString name(B_TRANSLATE_NOCOLLECT(fUtility.sDefaultFileNameBase));
	name << 1;
	name = _FindValidFileName(name.String());
	fNameControl = new BTextControl("", B_TRANSLATE("Name:"), name, NULL);

	// Check if fUtility contains valid data
	if (fUtility.wholeScreen == NULL) {
		_NewScreenshot(silent, clipboard, true);
		return;
	}

	fScreenshot = fUtility.MakeScreenshot(fIncludeCursor, fGrabActiveWindow,
		fIncludeBorder);

	fActiveWindow = new BCheckBox(B_TRANSLATE("Capture active window"),
		new BMessage(kActiveWindow));
	if (fGrabActiveWindow)
		fActiveWindow->SetValue(B_CONTROL_ON);

	fWindowBorder = new BCheckBox(B_TRANSLATE("Include window border"),
		new BMessage(kIncludeBorder));
	if (fIncludeBorder)
		fWindowBorder->SetValue(B_CONTROL_ON);
	if (!fGrabActiveWindow)
		fWindowBorder->SetEnabled(false);

	fShowCursor = new BCheckBox(B_TRANSLATE("Include mouse pointer"),
		new BMessage(kIncludeCursor));
	if (fIncludeCursor)
		fShowCursor->SetValue(B_CONTROL_ON);

	BString delay;
	delay << fDelay / 1000000;
	fDelayControl = new BTextControl("", B_TRANSLATE("Delay:"), delay.String(),
		NULL);
	_DisallowChar(fDelayControl->TextView());
	fDelayControl->TextView()->SetAlignment(B_ALIGN_RIGHT);
	BStringView* seconds = new BStringView("", B_TRANSLATE("seconds"));
	seconds->SetExplicitMaxSize(BSize(B_SIZE_UNLIMITED, B_SIZE_UNSET));

	BMenuField* menuLocation = new BMenuField(B_TRANSLATE("Save in:"),
		fOutputPathMenu);
	menuLocation->SetViewUIColor(B_PANEL_BACKGROUND_COLOR);

	fTranslatorMenu = new BMenu(B_TRANSLATE("Please select"));
	_SetupTranslatorMenu();
	BMenuField* menuFormat = new BMenuField(B_TRANSLATE("Save as:"),
		fTranslatorMenu);
	menuFormat->SetViewUIColor(B_PANEL_BACKGROUND_COLOR);

	BButton* showSettings =  new BButton("",
		B_TRANSLATE("Settings" B_UTF8_ELLIPSIS), new BMessage(kSettings));
	showSettings->SetExplicitAlignment(
		BAlignment(B_ALIGN_RIGHT, B_ALIGN_BOTTOM));

	BBox* divider = new BBox(B_FANCY_BORDER, NULL);
	divider->SetExplicitMaxSize(BSize(B_SIZE_UNLIMITED, 1));

	BButton* saveScreenshot  = new BButton("", B_TRANSLATE("Save"),
		new BMessage(kSaveScreenshot));

	const float kSpacing = be_control_look->DefaultItemSpacing();
	const float kLabelSpacing = be_control_look->DefaultLabelSpacing();

	fPreview = new BView("preview", B_WILL_DRAW | B_FULL_UPDATE_ON_RESIZE);
	BBox* previewBox = new BBox(B_FANCY_BORDER, fPreview);

	BLayoutBuilder::Group<>(this, B_VERTICAL, 0)
		.AddGroup(B_HORIZONTAL)
			.SetInsets(B_USE_WINDOW_SPACING, B_USE_WINDOW_SPACING,
				B_USE_WINDOW_SPACING, B_USE_DEFAULT_SPACING)
			.Add(previewBox)
			.AddGroup(B_VERTICAL, 0)
				.Add(fActiveWindow)
//.........这里部分代码省略.........