C++ BGridLayout::SetMaxColumnWidth方法代码示例

TransparencyToolConfigView::TransparencyToolConfigView(DrawingTool* tool)
	: DrawingToolConfigView(tool)
{
	if (BLayout* layout = GetLayout()) {
		BMessage* message = new BMessage(OPTION_CHANGED);
		message->AddInt32("option", SIZE_OPTION);
		message->AddInt32("value", tool->GetCurrentValue(SIZE_OPTION));

		fSizeSlider =
			new NumberSliderControl(StringServer::ReturnString(SIZE_STRING),
			"1", message, 1, 100, false);
		layout->AddView(fSizeSlider);

		message = new BMessage(OPTION_CHANGED);
		message->AddInt32("option", PRESSURE_OPTION);
		message->AddInt32("value", tool->GetCurrentValue(PRESSURE_OPTION));

		fSpeedSlider =
			new NumberSliderControl(StringServer::ReturnString(SPEED_STRING),
			"1", message, 1, 100, false);
		layout->AddView(fSpeedSlider);

		BGridLayout* gridLayout = BGridLayoutBuilder(5.0, 5.0)
			.Add(fSizeSlider->LabelLayoutItem(), 0, 0)
			.Add(fSizeSlider->TextViewLayoutItem(), 1, 0)
			.Add(fSizeSlider->Slider(), 2, 0)
			.Add(fSpeedSlider->LabelLayoutItem(), 0, 1)
			.Add(fSpeedSlider->TextViewLayoutItem(), 1, 1)
			.Add(fSpeedSlider->Slider(), 2, 1);
		gridLayout->SetMaxColumnWidth(1, StringWidth("1000"));
		gridLayout->SetMinColumnWidth(2, StringWidth("SLIDERSLIDERSLIDER"));
		layout->AddView(gridLayout->View());
	}
}

HairyBrushToolConfigView::HairyBrushToolConfigView(DrawingTool* tool)
	: DrawingToolConfigView(tool)
{
	if (BLayout* layout = GetLayout()) {
		BMessage* message = new BMessage(OPTION_CHANGED);
		message->AddInt32("option", PRESSURE_OPTION);
		message->AddInt32("value", tool->GetCurrentValue(PRESSURE_OPTION));

		fBrushSize =
			new NumberSliderControl(StringServer::ReturnString(SIZE_STRING),
			"0", message, 2, 50, false);
		layout->AddView(fBrushSize);

		message = new BMessage(OPTION_CHANGED);
		message->AddInt32("option", SIZE_OPTION);
		message->AddInt32("value", tool->GetCurrentValue(SIZE_OPTION));

		fBrushHairs =
			new NumberSliderControl(StringServer::ReturnString(HAIRS_STRING),
			"0", message, 5, 100, false);
		layout->AddView(fBrushHairs);

		fColorAmount =
			new BSlider("", StringServer::ReturnString(COLOR_AMOUNT_STRING),
			new BMessage(COLOR_AMOUNT_CHANGED), 1, 500, B_HORIZONTAL,
			B_TRIANGLE_THUMB);
		fColorAmount->SetLimitLabels(StringServer::ReturnString(LITTLE_STRING),
			StringServer::ReturnString(MUCH_STRING));
		fColorAmount->SetValue(tool->GetCurrentValue(CONTINUITY_OPTION));

		fColorVariance =
			new BSlider("", StringServer::ReturnString(COLOR_VARIANCE_STRING),
			new BMessage(COLOR_VARIANCE_CHANGED), 0, 128, B_HORIZONTAL,
			B_TRIANGLE_THUMB);
		fColorVariance->SetLimitLabels(StringServer::ReturnString(NONE_STRING),
			StringServer::ReturnString(RANDOM_STRING));
		fColorVariance->SetValue(tool->GetCurrentValue(TOLERANCE_OPTION));

		BGridLayout* gridLayout = BGridLayoutBuilder(5.0, 5.0)
			.Add(fBrushSize->LabelLayoutItem(), 0, 0)
			.Add(fBrushSize->TextViewLayoutItem(), 1, 0)
			.Add(fBrushSize->Slider(), 2, 0)
			.Add(fBrushHairs->LabelLayoutItem(), 0, 1)
			.Add(fBrushHairs->TextViewLayoutItem(), 1, 1)
			.Add(fBrushHairs->Slider(), 2, 1)
			.SetInsets(5.0, 0.0, 0.0, 0.0);
		gridLayout->SetMaxColumnWidth(1, StringWidth("1000"));
		gridLayout->SetMinColumnWidth(2, StringWidth("SLIDERSLIDERSLIDER"));

		layout->AddItem(BGroupLayoutBuilder(B_VERTICAL)
			.Add(gridLayout)
			.Add(fColorAmount)
			.Add(fColorVariance)
		);
	}
}

//.........这里部分代码省略.........
								true );
	if ( !scroller )
	{
		/* Panic! */
		exit( 1 );
	}
	layoutItem = gridLayout->AddView( scroller, 0, 0, 1, 3 );
	if ( !layoutItem ) {
		/* Panic! */
		exit( 1 );
	}
	layoutItem->SetExplicitAlignment( BAlignment( B_ALIGN_LEFT,
												  B_ALIGN_USE_FULL_HEIGHT ) );
	toSend = new BMessage( kCategoryInvoked );
	if ( !toSend )
	{
		/* Panic! */
		exit( 1 );
	}
	listView->SetInvocationMessage( toSend );
	toSend = new BMessage( kCategorySelected );
	if ( !toSend )
	{
		/* Panic! */
		exit( 1 );
	}
	listView->SetSelectionMessage( toSend );
	
	r = listView->Bounds();	
	r.bottom += B_H_SCROLL_BAR_HEIGHT + 3;
	r.right -= ( B_V_SCROLL_BAR_WIDTH + 10 );
	
	layoutItem->SetExplicitMinSize( BSize( ( B_V_SCROLL_BAR_WIDTH * 2 ), r.Height() ) );
	gridLayout->SetMaxColumnWidth( 0, r.Width()-70 );
	gridLayout->SetMaxColumnWidth( 1, r.Width()-66 );
	
	// Add categories to the list
	PopulateCategoriesView();
	
	/* Creating the buttons */
	// Add new category button
	toSend = new BMessage( kAddNewCategory );
	addButton = new BButton( BRect( 0, 0, 1, 1), 
							 "Add category",
							 "Add category",
							 toSend,
							 B_FOLLOW_H_CENTER | B_FOLLOW_V_CENTER );
	if ( !toSend || !addButton ) {
		/* Panic! */
		exit( 1 );
	}
	addButton->ResizeToPreferred();
	addButton->SetTarget( this );
	layoutItem = gridLayout->AddView( addButton, 1, 0, 1, 1 );
	layoutItem->SetExplicitAlignment( BAlignment( B_ALIGN_HORIZONTAL_CENTER, B_ALIGN_VERTICAL_CENTER ) );
	
	// Edit old category button
	toSend = new BMessage( kCategoryInvoked );
	editButton = new BButton( BRect( 0, 0, 1, 1), 
							 "Edit category",
							 "Edit category",
							 toSend,
							 B_FOLLOW_H_CENTER | B_FOLLOW_V_CENTER );
	if ( !toSend || !editButton ) {
		/* Panic! */
		exit( 1 );

//.........这里部分代码省略.........
		/* Panic! */
		fLastError = B_NO_MEMORY;
		return;
	}
	
	
	fCalendarModuleLabel = new BStringView( BRect( 0, 0, 1, 1 ),
														 "label for the calendar module selector",
														 "Calendar:" );
	if ( !fCalendarModuleLabel ) {
		/* Panic! */
		fLastError = B_NO_MEMORY;
		return;
	}
	fCalendarModuleLabel->ResizeToPreferred();
	
	fCalendarsMenu = CreateMenuOfCalendarModules();
	if ( !fCalendarsMenu ) {
		/* Panic! */
		fLastError = B_NO_MEMORY;
		return;
	}
	
	fCalendarModuleSelector = new BMenuField( BRect( 0, 0, 1, 1 ),
															"calendar module selector",
															NULL,		// Label is created separately
															fCalendarsMenu );
	if ( !fCalendarModuleSelector ) {
		/* Panic! */
		fLastError = B_NO_MEMORY;
		return;
	}
	fCalendarModuleSelector->ResizeToPreferred();
	
	// Create the menu
	CreateMenu();
	
	BRect stringViewFrame = fLabel->Frame();
	
	BPoint topLeftCorner = stringViewFrame.RightTop();
	BSize size( BUTTON_WIDTH, stringViewFrame.Height() + SPACING );
	
	
	fMenuBar = new BMenuBar( BRect(topLeftCorner, size),
								"menuBar",
								B_FOLLOW_RIGHT | B_FOLLOW_TOP,
								B_ITEMS_IN_ROW,
								false);
	if (! fMenuBar) {
		// Panic!
		fLastError = B_NO_MEMORY;
		return;
	}
	fMenuBar->SetBorder( B_BORDER_EACH_ITEM );
	fMenuBar->AddItem( fDateSelector );

	// Update the selected date label to currently selected moment of time
	UpdateText();
	
	// Initializing the layout
	BGridLayout* lay = new BGridLayout( );
	
	if (!lay) { 
		// Panic! 
		fLastError = B_NO_MEMORY;
		return; 
	}
	lay->SetInsets(0, 5, 0, 0);
	lay->SetSpacing( 10, 5 );
	lay->SetExplicitAlignment( BAlignment( B_ALIGN_USE_FULL_WIDTH, B_ALIGN_MIDDLE ) );
	this->SetLayout(lay);
	
	BLayoutItem* layoutItem;
	
	layoutItem = lay->AddView( fLabel, 0, 0 );
	layoutItem->SetExplicitAlignment( BAlignment( B_ALIGN_LEFT, B_ALIGN_TOP ) );
	layoutItem = lay->AddView( fDateLabel, 1, 0 );
	layoutItem->SetExplicitAlignment( BAlignment( B_ALIGN_USE_FULL_WIDTH, B_ALIGN_TOP ) );
	layoutItem = lay->AddView( fMenuBar, 2, 0 );	
	layoutItem->SetExplicitAlignment( BAlignment( B_ALIGN_RIGHT, B_ALIGN_TOP ) );
	layoutItem->SetExplicitMaxSize( size );
	
	layoutItem = lay->AddView( fCalendarModuleLabel, 0, 1 );
	layoutItem->SetExplicitAlignment( BAlignment( B_ALIGN_LEFT, B_ALIGN_MIDDLE ) );
	
	layoutItem = lay->AddView( fCalendarModuleSelector, 1, 1 );
	layoutItem->SetExplicitAlignment( BAlignment( B_ALIGN_USE_FULL_WIDTH, B_ALIGN_TOP ) );

	lay->SetColumnWeight( 0, 0 );
	lay->SetColumnWeight( 1, 1000 );
	lay->SetColumnWeight( 2, 0 );
	
	lay->SetMaxColumnWidth( 2, BUTTON_WIDTH );
	
	this->InvalidateLayout();
	this->Relayout();
	this->Invalidate();
	
	fLastError = B_OK;
}