C++ BScrollView::ResizeBy方法代码示例

void 
TSignatureView::AttachedToWindow()
{
	BRect	rect = Bounds();
	float	name_text_length = StringWidth(kNameText);
	float	sig_text_length = StringWidth(kSigText);
	float	divide_length;

	if (name_text_length > sig_text_length)
		divide_length = name_text_length;
	else
		divide_length = sig_text_length;

	rect.InsetBy(8,0);
	rect.top+= 8;
	
	fName = new TNameControl(rect, kNameText, new BMessage(NAME_FIELD));
	AddChild(fName);

	fName->SetDivider(divide_length + 10);
	fName->SetAlignment(B_ALIGN_RIGHT, B_ALIGN_LEFT);

	rect.OffsetBy(0,fName->Bounds().Height()+5);
	rect.bottom = rect.top + kSigHeight;
	rect.left = fName->TextView()->Frame().left;

	BRect text = rect;
	text.OffsetTo(10,0);
	fTextView = new TSigTextView(rect, text);
	BScrollView *scroller = new BScrollView("SigScroller", fTextView, B_FOLLOW_ALL, 0, false, true);
	AddChild(scroller);
	scroller->ResizeBy(-1 * scroller->ScrollBar(B_VERTICAL)->Frame().Width() - 9, 0);
	scroller->MoveBy(7,0);

	/* back up a bit to make room for the label */

	rect = scroller->Frame();
	BStringView *stringView = new BStringView(rect, "SigLabel", kSigText);
	AddChild(stringView);

	float tWidth, tHeight;
	stringView->GetPreferredSize(&tWidth, &tHeight);

	/* the 5 is for the spacer in the TextView */

	rect.OffsetBy(-1 *(tWidth) - 5, 0);
	rect.right = rect.left + tWidth;
	rect.bottom = rect.top + tHeight;

	stringView->MoveTo(rect.LeftTop());
	stringView->ResizeTo(rect.Width(), rect.Height());

	/* Resize the View to the correct height */
	scroller->SetResizingMode(B_FOLLOW_NONE);
	ResizeTo(Frame().Width(), scroller->Frame().bottom + 8);
	scroller->SetResizingMode(B_FOLLOW_ALL);
}

//.........这里部分代码省略.........
	float keyCellWidth = be_plain_font->StringWidth("Caps Lock") + 20;
	fColumnListView->AddColumn(new CLVColumn(B_TRANSLATE("Key"),
		CreateKeysPopUp(), keyCellWidth, CLV_SORT_KEYABLE));
	minListWidth += keyCellWidth + 1;

	BPopUpMenu* popup = new BPopUpMenu(NULL, false);
	popup->AddItem(new BMenuItem(
		B_TRANSLATE("(Choose application with file requester)"), NULL));
	popup->AddItem(new BMenuItem(
		B_TRANSLATE("*InsertString \"Your Text Here\""), NULL));
	popup->AddItem(new BMenuItem(
		B_TRANSLATE("*MoveMouse +20 +0"), NULL));
	popup->AddItem(new BMenuItem(B_TRANSLATE("*MoveMouseTo 50% 50%"), NULL));
	popup->AddItem(new BMenuItem(B_TRANSLATE("*MouseButton 1"), NULL));
	popup->AddItem(new BMenuItem(
		B_TRANSLATE("*LaunchHandler text/html"), NULL));
	popup->AddItem(new BMenuItem(
		B_TRANSLATE("*Multi \"*MoveMouseTo 100% 0\" \"*MouseButton 1\""),
		NULL));
	popup->AddItem(new BMenuItem(B_TRANSLATE("*MouseDown"), NULL));
	popup->AddItem(new BMenuItem(B_TRANSLATE("*MouseUp"), NULL));
	popup->AddItem(new BMenuItem(
		B_TRANSLATE("*SendMessage application/x-vnd.Be-TRAK 'Tfnd'"), NULL));
	popup->AddItem(new BMenuItem(B_TRANSLATE("*Beep"), NULL));
	fColumnListView->AddColumn(new CLVColumn(B_TRANSLATE("Application"), popup,
		323.0, CLV_SORT_KEYABLE));
	minListWidth += 323.0 + 1;
	minListWidth += B_V_SCROLL_BAR_WIDTH;

	fColumnListView->SetSortFunction(ShortcutsSpec::MyCompare);
	top->AddChild(containerView);

	fColumnListView->SetSelectionMessage(new BMessage(HOTKEY_ITEM_SELECTED));
	fColumnListView->SetTarget(this);

	fAddButton = new BButton(BRect(0, 0, 0, 0), "add",
		B_TRANSLATE("Add new shortcut"), new BMessage(ADD_HOTKEY_ITEM),
		B_FOLLOW_BOTTOM);
	fAddButton->ResizeToPreferred();
	fAddButton->MoveBy(spacing,
		Bounds().bottom - fAddButton->Bounds().bottom - spacing);
	top->AddChild(fAddButton);

	fRemoveButton = new BButton(BRect(0, 0, 0, 0), "remove",
		B_TRANSLATE("Remove selected shortcut"),
		new BMessage(REMOVE_HOTKEY_ITEM), B_FOLLOW_BOTTOM);
	fRemoveButton->ResizeToPreferred();
	fRemoveButton->MoveBy(fAddButton->Frame().right + spacing,
		Bounds().bottom - fRemoveButton->Bounds().bottom - spacing);
	top->AddChild(fRemoveButton);

	fRemoveButton->SetEnabled(false);

	fSaveButton = new BButton(BRect(0, 0, 0, 0), "save",
		B_TRANSLATE("Save & apply"), new BMessage(SAVE_KEYSET),
		B_FOLLOW_BOTTOM | B_FOLLOW_RIGHT);
	fSaveButton->ResizeToPreferred();
	fSaveButton->MoveBy(Bounds().right - fSaveButton->Bounds().right - spacing,
		Bounds().bottom - fSaveButton->Bounds().bottom - spacing);
	top->AddChild(fSaveButton);

	fSaveButton->SetEnabled(false);

	containerView->ResizeBy(0,
		-(fAddButton->Bounds().bottom + 2 * spacing + 2));

	float minButtonBarWidth = fRemoveButton->Frame().right
		+ fSaveButton->Bounds().right + 2 * spacing;
	float minWidth = max_c(minListWidth, minButtonBarWidth);

	float menuBarHeight = menuBar->Bounds().bottom;
	float buttonBarHeight = Bounds().bottom - containerView->Frame().bottom;
	float minHeight = menuBarHeight + 200 + buttonBarHeight;

	SetSizeLimits(minWidth, MAX_WIDTH, minHeight, MAX_HEIGHT);
		// SetSizeLimits() will resize the window to the minimum size.

	CenterOnScreen();

	entry_ref windowSettingsRef;
	if (_GetWindowSettingsFile(&windowSettingsRef)) {
		// The window settings file is not accepted via B_REFS_RECEIVED; this
		// is a behind-the-scenes file that the user will never see or
		// interact with.
		BFile windowSettingsFile(&windowSettingsRef, B_READ_ONLY);
		BMessage loadMsg;
		if (loadMsg.Unflatten(&windowSettingsFile) == B_OK)
			_LoadWindowSettings(loadMsg);
	}

	entry_ref keySetRef;
	if (_GetSettingsFile(&keySetRef)) {
		BMessage msg(B_REFS_RECEIVED);
		msg.AddRef("refs", &keySetRef);
		msg.AddString("startupRef", "please");
		PostMessage(&msg);
			// Tell ourselves to load this file if it exists.
	}
	Show();
}