C++ BButton::GetPreferredSize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;
}

//.........这里部分代码省略.........
                                       B_TRANSLATE("Only when dial-up is connected"), NULL);
    box->AddChild(fPPPActiveCheckBox);

    rect.OffsetBy(0,height + 9);
    rect.bottom -= 2;
    fPPPActiveSendCheckBox = new BCheckBox(rect, "ppp activesend",
                                           B_TRANSLATE("Schedule outgoing mail when dial-up is disconnected"),
                                           NULL);
    box->AddChild(fPPPActiveSendCheckBox);

    // Miscellaneous settings box

    rect = box->Frame();
    rect.bottom = rect.top + 3 * height + 30;
    box = new BBox(rect);
    box->SetLabel(B_TRANSLATE("Miscellaneous"));
    view->AddChild(box);

    BPopUpMenu *statusPopUp = new BPopUpMenu(B_EMPTY_STRING);
    const char *statusModes[] = {
        B_TRANSLATE("Never"),
        B_TRANSLATE("While sending"),
        B_TRANSLATE("While sending and receiving"),
        B_TRANSLATE("Always")
    };
    BMessage *msg;
    for (int32 i = 0; i < 4; i++) {
        statusPopUp->AddItem(item = new BMenuItem(statusModes[i],
                msg = new BMessage(kMsgShowStatusWindowChanged)));
        msg->AddInt32("ShowStatusWindow", i);
        if (i == 0)
            item->SetMarked(true);
    }
    rect = box->Bounds().InsetByCopy(8,8);
    rect.top += 7;
    rect.bottom = rect.top + height + 5;
    labelWidth
        = (int32)view->StringWidth(
              B_TRANSLATE("Show connection status window:"))	+ 8;
    fStatusModeField = new BMenuField(rect, "show status",
                                      B_TRANSLATE("Show connection status window:"), statusPopUp);
    fStatusModeField->SetDivider(labelWidth);
    box->AddChild(fStatusModeField);

    rect = fStatusModeField->Frame();;
    rect.OffsetBy(0, rect.Height() + 10);
    BButton *button = new BButton(rect, B_EMPTY_STRING,
                                  B_TRANSLATE("Edit mailbox menu…"),
                                  msg = new BMessage(B_REFS_RECEIVED));
    button->ResizeToPreferred();
    box->AddChild(button);
    button->SetTarget(BMessenger("application/x-vnd.Be-TRAK"));

    BPath path;
    find_directory(B_USER_SETTINGS_DIRECTORY, &path);
    path.Append("Mail/Menu Links");
    BEntry entry(path.Path());
    if (entry.InitCheck() == B_OK && entry.Exists()) {
        entry_ref ref;
        entry.GetRef(&ref);
        msg->AddRef("refs", &ref);
    }
    else
        button->SetEnabled(false);

    rect = button->Frame();
    rect.OffsetBy(rect.Width() + 30,0);
    fAutoStartCheckBox = new BCheckBox(rect, "start daemon",
                                       B_TRANSLATE("Start mail services on startup"), NULL);
    fAutoStartCheckBox->ResizeToPreferred();
    box->AddChild(fAutoStartCheckBox);

    // save/revert buttons

    top->AddChild(tabView);

    rect = tabView->Frame();
    rect.top = rect.bottom + 5;
    rect.bottom = rect.top + height + 5;
    BButton *saveButton = new BButton(rect, "apply", B_TRANSLATE("Apply"),
                                      new BMessage(kMsgSaveSettings));
    float w,h;
    saveButton->GetPreferredSize(&w, &h);
    saveButton->ResizeTo(w, h);
    saveButton->MoveTo(rect.right - w, rect.top);
    top->AddChild(saveButton);

    BButton *revertButton = new BButton(rect, "revert", B_TRANSLATE("Revert"),
                                        new BMessage(kMsgRevertSettings));
    revertButton->GetPreferredSize(&w, &h);
    revertButton->ResizeTo(w,h);
    revertButton->MoveTo(saveButton->Frame().left - 25 - w, rect.top);
    top->AddChild(revertButton);

    LoadSettings();
    // this will also move our window to the stored position

    fAccountsListView->SetSelectionMessage(new BMessage(kMsgAccountSelected));
    fAccountsListView->MakeFocus(true);
}

//.........这里部分代码省略.........
	stringView->ResizeToPreferred();
	// BStringView::ResizeToPreferred() changes the width, so that the
	// alignment has no effect anymore
	stringView->ResizeTo(rect.Width(), stringView->Bounds().Height());

	rect.left += 100;  rect.right -= 100;
	rect.OffsetBy(0,height + 1);
	BButton *button = new BButton(rect,B_EMPTY_STRING,
		MDR_DIALECT_CHOICE ("Configure Menu Links","メニューリンクの設定"),
		msg = new BMessage(B_REFS_RECEIVED));
	box->AddChild(button);
	button->SetTarget(BMessenger("application/x-vnd.Be-TRAK"));

	BPath path;
	find_directory(B_USER_SETTINGS_DIRECTORY, &path);
	path.Append("Mail/Menu Links");
	BEntry entry(path.Path());
	if (entry.InitCheck() == B_OK && entry.Exists()) {
		entry_ref ref;
		entry.GetRef(&ref);
		msg->AddRef("refs", &ref);
	}
	else
		button->SetEnabled(false);

	rect = box->Frame();  rect.bottom = rect.top + 2*height + 6;
	box = new BBox(rect);
	box->SetLabel(MDR_DIALECT_CHOICE ("Misc.","その他の設定"));
	view->AddChild(box);

	rect = box->Bounds().InsetByCopy(8,8);
	rect.top += 7;	rect.bottom = rect.top + height + 5;
	fAutoStartCheckBox = new BCheckBox(rect,"start daemon",
		MDR_DIALECT_CHOICE ("Auto-Start Mail Daemon","Mail Daemonを自動起動"),NULL);
	box->AddChild(fAutoStartCheckBox);

	// about page

	rect = tabView->Bounds();	rect.bottom -= tabView->TabHeight() + 4;
	tabView->AddTab(view = new BView(rect,NULL,B_FOLLOW_ALL,0));
	tabView->TabAt(2)->SetLabel(MDR_DIALECT_CHOICE ("About","情報"));
	view->SetViewColor(top->ViewColor());

	AboutTextView *about = new AboutTextView(rect);
	about->SetViewColor(top->ViewColor());
	view->AddChild(about);

	// save/cancel/revert buttons

	top->AddChild(tabView);

	rect = tabView->Frame();
	rect.top = rect.bottom + 5;  rect.bottom = rect.top + height + 5;
	BButton *saveButton = new BButton(rect,"save",
		MDR_DIALECT_CHOICE ("Save","保存"),
		new BMessage(kMsgSaveSettings));
	float w,h;
	saveButton->GetPreferredSize(&w,&h);
	saveButton->ResizeTo(w,h);
	saveButton->MoveTo(rect.right - w, rect.top);
	top->AddChild(saveButton);

	BButton *cancelButton = new BButton(rect,"cancel",
		MDR_DIALECT_CHOICE ("Cancel","中止"),
		new BMessage(kMsgCancelSettings));
	cancelButton->GetPreferredSize(&w,&h);
	cancelButton->ResizeTo(w,h);
#ifdef HAVE_APPLY_BUTTON
	cancelButton->MoveTo(saveButton->Frame().left - w - 5,rect.top);
#else
	cancelButton->MoveTo(saveButton->Frame().left - w - 20,rect.top);
#endif
	top->AddChild(cancelButton);

#ifdef HAVE_APPLY_BUTTON
	BButton *applyButton = new BButton(rect,"apply",
		MDR_DIALECT_CHOICE ("Apply","適用"),
		new BMessage(kMsgApplySettings));
	applyButton->GetPreferredSize(&w,&h);
	applyButton->ResizeTo(w,h);
	applyButton->MoveTo(cancelButton->Frame().left - w - 20,rect.top);
	top->AddChild(applyButton);
#endif

	BButton *revertButton = new BButton(rect,"revert",
		MDR_DIALECT_CHOICE ("Revert","復元"),
		new BMessage(kMsgRevertSettings));
	revertButton->GetPreferredSize(&w,&h);
	revertButton->ResizeTo(w,h);
#ifdef HAVE_APPLY_BUTTON
	revertButton->MoveTo(applyButton->Frame().left - w - 5,rect.top);
#else
	revertButton->MoveTo(cancelButton->Frame().left - w - 6,rect.top);
#endif
	top->AddChild(revertButton);

	LoadSettings();

	fAccountsListView->SetSelectionMessage(new BMessage(kMsgAccountSelected));
}

/*!	Tweaks the layout according to the configuration.
*/
void
BAlert::_Prepare()
{
	// Must have at least one button
	if (CountButtons() == 0)
		debugger("BAlerts must have at least one button.");

	float fontFactor = be_plain_font->Size() / 11.0f;

	if (fIconView->Bitmap() == NULL)
		fIconView->SetBitmap(_CreateTypeIcon());

	if (fButtonWidth == B_WIDTH_AS_USUAL) {
		float usualWidth = kButtonUsualWidth * fontFactor;

		for (int32 index = 0; index < CountButtons(); index++) {
			BButton* button = ButtonAt(index);
			if (button->MinSize().width < usualWidth)
				button->SetExplicitSize(BSize(usualWidth, B_SIZE_UNSET));
		}
	} else if (fButtonWidth == B_WIDTH_FROM_WIDEST) {
		// Get width of widest label
		float maxWidth = 0;
		for (int32 index = 0; index < CountButtons(); index++) {
			BButton* button = ButtonAt(index);
			float width;
			button->GetPreferredSize(&width, NULL);

			if (width > maxWidth)
				maxWidth = width;
		}
		for (int32 index = 0; index < CountButtons(); index++) {
			BButton* button = ButtonAt(index);
			button->SetExplicitSize(BSize(maxWidth, B_SIZE_UNSET));
		}
	}

	if (fButtonSpacing == B_OFFSET_SPACING && CountButtons() > 1) {
		// Insert some strut
		fButtonLayout->AddItem(1, BSpaceLayoutItem::CreateHorizontalStrut(
			kButtonOffsetSpacing * fontFactor));
	}

	// Position the alert so that it is centered vertically but offset a bit
	// horizontally in the parent window's frame or, if unavailable, the
	// screen frame.
	float minWindowWidth = (fButtonSpacing == B_OFFSET_SPACING
		? kWindowOffsetMinWidth : kWindowMinWidth) * fontFactor;
	GetLayout()->SetExplicitMinSize(BSize(minWindowWidth, B_SIZE_UNSET));

	ResizeToPreferred();

	// Return early if we've already been moved...
	if (Frame().left != 0 && Frame().right != 0)
		return;

	// otherwise center ourselves on-top of parent window/screen
	BWindow* parent = dynamic_cast<BWindow*>(BLooper::LooperForThread(
		find_thread(NULL)));
	const BRect frame = parent != NULL ? parent->Frame()
		: BScreen(this).Frame();

	MoveTo(static_cast<BWindow*>(this)->AlertPosition(frame));
		// Hidden by BAlert::AlertPosition()
}

void OptionsPanel :: AttachedToWindow( void )
{
	SetViewColor( ui_color(B_PANEL_BACKGROUND_COLOR) ) ;
	
	BRect fr ;
	if( Parent() )
		fr = Parent()->Frame() ;
	else
		fr = Window()->Frame() ;
	
	fr.top = Frame().top ;
	fr.right = fr.Width() ;
	fr.left = 0 ;  
	fr.bottom = fr.top + 5 ; // Set Later
			
	MoveTo( fr.left, fr.top ) ;
	ResizeTo( fr.Width(), fr.Height() ) ;

	font_height fh ;
	GetFontHeight( &fh ) ;
	
	BRect r ;
	
	r.top = 5 ;
	r.left = fr.Width() * 2/3 ;

	r.right   = r.left + ( r.Height() * 2 ) + 1  ; 
	r.bottom  = r.top + 10 ;
	
	BButton * addButton = new
					BButton( r, "Add", "+",
							  new BMessage( Messages::AddPanel ) ,
							  B_FOLLOW_RIGHT | B_FOLLOW_TOP ) ;
	AddChild( addButton ) ;

	float h , w ;
	addButton->GetPreferredSize( &h, &w ) ;
	if( h > w )
		h = w ;
	else
		w = h ;
	addButton->ResizeTo( w, h ) ;
	
	r.left += ( w + 4 ) ;
	r.right += ( w + 4 ) ; 
	BButton * rmButton = new BButton( r, "Remove", "-",
							  new BMessage( Messages::RemovePanel ) ,
							  B_FOLLOW_RIGHT | B_FOLLOW_TOP ) ;
	AddChild( rmButton ) ;
	rmButton->ResizeTo( w, h ) ;

	r.left = 10 ;
	r.top = addButton->Frame().bottom + 2 ;

	r.right   = r.left + 10 ; 
	r.bottom  = r.top + 10 ;
	
	fpMaxDepthCheck = new BCheckBox( r, "depth_check", kMaxDepthString ,
							NULL, B_FOLLOW_LEFT | B_FOLLOW_TOP ) ;
	AddChild( fpMaxDepthCheck ) ;
	fpMaxDepthCheck->ResizeToPreferred() ;

	r = fpMaxDepthCheck->Frame() ;
 	float centre = r.top + r.Height()/2 ;

	r.left   = r.right + 5 ;
	r.top    = centre - (fh.ascent + fh.descent + fh.leading) * 3/4 ;
	r.bottom = centre + (fh.ascent + fh.descent + fh.leading) * 3/4 ;
	r.right  = r.left + StringWidth( "xx37xx" ) ;

	fpMaxDepthEdit = new EditBox( r, "depth_edit", B_FOLLOW_LEFT | B_FOLLOW_TOP ) ;
	AddChild( fpMaxDepthEdit ) ;

	r.top    = r.bottom + 7 ;
	r.bottom = r.top + 20 ;
	r.left   = 10 ;
	r.right  = r.left + 50 ;
	
	BButton * settingsButton = new BButton( r, "settings", "Settings" B_UTF8_ELLIPSIS,
								new BMessage( Messages::Settings ) ,
								B_FOLLOW_LEFT | B_FOLLOW_TOP ) ;
	AddChild( settingsButton ) ;
	settingsButton->ResizeToPreferred() ;
	settingsButton->SetTarget( Window() ) ;
		
	r.right = fr.Width() - 25 ;
	r.left  = r.right - 50 ;

	fpFindButton = new BButton( r, "go", "Find",
							  new BMessage( Messages::StartFind ) ,
							  B_FOLLOW_RIGHT | B_FOLLOW_TOP ) ;
	AddChild( fpFindButton ) ;
	fpFindButton->ResizeToPreferred() ;
	r = fpFindButton->Frame() ;
	fpFindButton->MoveTo( fr.Width() - 20 - r.Width(), r.top ) ;
	fpFindButton->SetTarget( Window() ) ;
	fpFindButton->MakeDefault(true) ;

	r = fpFindButton->Frame() ;
	r.bottom = r.top - 3 ;
//.........这里部分代码省略.........

// --------------------------------------------------
JobSetupWindow::JobSetupWindow(BMessage *msg, const char * printerName)
	:	HWindow(BRect(0, 0, 320, 160), "Job Setup", B_TITLED_WINDOW_LOOK,
 			B_MODAL_APP_WINDOW_FEEL, B_NOT_RESIZABLE | B_NOT_MINIMIZABLE |
 			B_NOT_ZOOMABLE)
{
	fSetupMsg	= msg;
	fExitSem 	= create_sem(0, "JobSetup");
	fResult 	= B_ERROR;
	
	if (printerName) {
		BString	title;
		title << printerName << " Job Setup";
		SetTitle(title.String());
		fPrinterName = printerName;
	}
	
	// ---- Ok, build a default job setup user interface
	BRect			r;
	BBox			*panel;
	BBox			*line;
	BButton	 		*ok;
	BButton			*cancel;
	BStringView		*sv;
	float			x, y, w, h;
	float			indent;
	int32           copies;
	int32           firstPage;
	int32           lastPage;
	bool            allPages;
	char            buffer[80];
	
	// PrinterDriver ensures that property exists
	fSetupMsg->FindInt32("copies",     &copies);
	fSetupMsg->FindInt32("first_page", &firstPage);
	fSetupMsg->FindInt32("last_page",  &lastPage);
	BMessage doc_info;
	if (B_OK != fSetupMsg->FindMessage("doc_info", &doc_info)) {
		// default fields
		doc_info.AddString("Author", "");
		doc_info.AddString("Subject", "");
		doc_info.AddString("Keywords", "");
		fSetupMsg->AddMessage("doc_info", &doc_info);
	}
	AddFields(&fDocInfo, fSetupMsg, NULL, includeKeys);
	
	allPages = firstPage == 1 && lastPage == MAX_INT32;

	r = Bounds();

	// add a *dialog* background
	panel = new BBox(r, "top_panel", B_FOLLOW_ALL, 
		B_WILL_DRAW | B_FRAME_EVENTS | B_NAVIGABLE_JUMP,
		B_PLAIN_BORDER);

	const int kMargin = 6;

	//const char *kCopiesLabel				= "Copies:";
	const char *kCopiesLabelExtraSpace		= "Copies:##";
	const char *kPagesRangeLabel			= "Pages:";
	const char *kAllPagesLabel				= "All";
	const char *kPagesRangeSelectionLabel	= "";
	const char *kFromLabel					= "From:";
	const char *kFromLabelExtraSpace		= "From:##";
	const char *kToLabel					= "To:";
	const char *kToLabelExtraSpace			= "To:##";

	r = panel->Bounds();

	x = r.left + kMargin;
	y = r.top + kMargin;
	
	
	// add a "copies" input field

/* Simon: temporarily removed this code
	sprintf(buffer, "%d", (int)copies);
	fCopies = new BTextControl(BRect(x, y, x+100, y+20), "copies", kCopiesLabel,
								buffer, new BMessage(NB_COPIES_MSG));
	fCopies->SetAlignment(B_ALIGN_LEFT, B_ALIGN_RIGHT);
	fCopies->ResizeToPreferred();
	fCopies->GetPreferredSize(&w, &h);
	panel->AddChild(fCopies);
	
	y += h + kMargin;	// "new line"
*/
	// add a "pages" label
	sv = new BStringView(BRect(x, y, x+100, y+20), "pages_range", kPagesRangeLabel);
	panel->AddChild(sv);
	sv->ResizeToPreferred();
	sv->GetPreferredSize(&w, &h);

	// align "copies" textcontrol field on the "allPages" radiobutton bellow...
	indent = be_plain_font->StringWidth(kCopiesLabelExtraSpace);
	w += kMargin;
	if ( w > indent )
		indent = w;
	// fCopies->SetDivider(indent);

	x += indent;
//.........这里部分代码省略.........

// --------------------------------------------------------------
NetworkSetupWindow::NetworkSetupWindow(const char *title)
	:
	BWindow(BRect(100, 100, 600, 600), title, B_TITLED_WINDOW,
		B_ASYNCHRONOUS_CONTROLS | B_NOT_ZOOMABLE | B_AUTO_UPDATE_SIZE_LIMITS)
{
	BMenu 		*show_menu;
	BMenu		*profiles_menu;
	BMenuField 	*menu_field;
	BBox 		*top_box, *bottom_box, *line;	// *group
	BButton		*button;
	BCheckBox 	*check;
	BRect		r;
	float		x, w, h;
	float		size, min_size = 360;

	// TODO: cleanup this mess!
	show_menu = new BPopUpMenu("<please select me!>");
	_BuildShowMenu(show_menu, SHOW_MSG);
	
#define H_MARGIN	10
#define V_MARGIN	10
#define SMALL_MARGIN	3

	// Resize the window to minimal width
	ResizeTo(fMinAddonViewRect.Width() + 2 * H_MARGIN, Bounds().Height());

	top_box = new BBox(Bounds(), NULL, B_FOLLOW_NONE,
						B_WILL_DRAW | B_FRAME_EVENTS | B_NAVIGABLE_JUMP,
						B_PLAIN_BORDER);
	AddChild(top_box); 

	r = top_box->Bounds();
	r.InsetBy(H_MARGIN, V_MARGIN);

	// ---- Profiles section
	profiles_menu = new BPopUpMenu("<none>");
	menu_field = new BMenuField(r, "profiles_menu", PROFILE_LABEL, 
		profiles_menu);

	menu_field->SetFont(be_bold_font);
	menu_field->SetDivider(be_bold_font->StringWidth(PROFILE_LABEL "#"));
	top_box->AddChild(menu_field);
	menu_field->ResizeToPreferred();
	menu_field->GetPreferredSize(&w, &h);

	size = w;

	button = new BButton(r, "manage_profiles", MANAGE_PROFILES_LABEL,
					new BMessage(MANAGE_PROFILES_MSG),
					B_FOLLOW_TOP | B_FOLLOW_RIGHT);
	button->GetPreferredSize(&w, &h);
	button->ResizeToPreferred();
	button->MoveTo(r.right - w, r.top);
	top_box->AddChild(button);
	
	size += SMALL_MARGIN + w;
	
	min_size = max_c(min_size, (H_MARGIN + size + H_MARGIN));
	
	r.top += h + V_MARGIN;

	// ---- Separator line between Profiles section and Settings section
	line = new BBox(BRect(r.left, r.top, r.right, r.top + 1), NULL,
						 B_FOLLOW_LEFT_RIGHT | B_FOLLOW_TOP );
	top_box->AddChild(line);

	_BuildProfilesMenu(profiles_menu, SELECT_PROFILE_MSG);

	r.top += 2 + V_MARGIN;

	// ---- Settings section

	// Make the show popup field half the whole width and centered
	menu_field = new BMenuField(r, "show_menu", SHOW_LABEL, show_menu);
	menu_field->SetFont(be_bold_font);
	menu_field->SetDivider(be_bold_font->StringWidth(SHOW_LABEL "#"));
	top_box->AddChild(menu_field);

	menu_field->ResizeToPreferred();
	menu_field->GetPreferredSize(&w, &h);
	r.top += h+1 + V_MARGIN;
	
	min_size = max_c(min_size, (H_MARGIN + w + H_MARGIN));
	

	r = fMinAddonViewRect.OffsetByCopy(H_MARGIN, r.top);
	fPanel = new BBox(r, "showview_box", B_FOLLOW_NONE,
						B_WILL_DRAW | B_FRAME_EVENTS | B_NAVIGABLE_JUMP,
						B_PLAIN_BORDER);
	top_box->AddChild(fPanel);
	top_box->ResizeTo(Bounds().Width(), r.bottom + 1 + V_MARGIN);

	// ---- Bottom globals buttons section
	r = Bounds();
	r.top = top_box->Frame().bottom + 1;
	bottom_box = new BBox(r, NULL, B_FOLLOW_NONE,
						B_WILL_DRAW | B_FRAME_EVENTS | B_NAVIGABLE_JUMP,
						B_PLAIN_BORDER);
	AddChild(bottom_box); 
//.........这里部分代码省略.........