Attachment 274350 Details for Bug 531854 – An SWT snippet which reduces Eclipse UI code to SWT calls, showcasing the behaviour.

An SWT snippet which reduces Eclipse UI code to SWT calls, showcasing the behaviour.

SWTSnippet_Bug531854_CTabFolder_topRight_has_wrong_size.java (text/x-java), 2.92 KB, created by Simeon Andreev

on 2018-06-06 09:16:48 EDT

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Filename:

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Creator: Simeon Andreev

Created: 2018-06-06 09:16:48 EDT

Size: 2.92 KB

patch

obsolete

>package swt.problems;
>
>import org.eclipse.swt.SWT;
>import org.eclipse.swt.custom.CTabFolder;
>import org.eclipse.swt.custom.CTabItem;
>import org.eclipse.swt.graphics.GC;
>import org.eclipse.swt.graphics.Image;
>import org.eclipse.swt.graphics.Rectangle;
>import org.eclipse.swt.layout.FillLayout;
>import org.eclipse.swt.layout.RowData;
>import org.eclipse.swt.layout.RowLayout;
>import org.eclipse.swt.widgets.Composite;
>import org.eclipse.swt.widgets.Display;
>import org.eclipse.swt.widgets.Label;
>import org.eclipse.swt.widgets.Shell;
>import org.eclipse.swt.widgets.ToolBar;
>import org.eclipse.swt.widgets.ToolItem;
>
>public class SWTSnippet_Bug531854_CTabFolder_topRight_has_wrong_size {
>
>	public static void main(String[] args) {
>		Display display = new Display();
>		Shell shell = new Shell(display);
>		shell.setSize(300, 300);
>		shell.setText("Bug 531854 - bad toolbar item");
>		shell.setLayout(new FillLayout());
>
>		CTabFolder folder = new CTabFolder(shell, SWT.BORDER);
>		folder.setMaximizeVisible(true);
>		folder.setMinimizeVisible(true);
>		folder.setTabHeight(26);
>
>		Composite folderTopRight = new Composite(folder, SWT.BORDER);
>		RowLayout rl = new RowLayout();
>		folderTopRight.setLayout(rl);
>		rl.marginBottom = 0;
>		rl.marginTop = 0;
>		rl.marginRight = 0;
>		rl.marginLeft = 0;
>		folder.setTopRight(folderTopRight);
>		
>		ToolBar toolbar1 = new ToolBar(folderTopRight, SWT.BORDER);
>		
>		///* section can be commented out, it only showcases what Eclipse does
>		RowData rd = new RowData();
>		toolbar1.setLayoutData(rd);
>		rd.exclude = true;
>		toolbar1.setVisible(false);		
>		//*/
>		
>		ToolItem ti1 = new ToolItem(toolbar1, SWT.PUSH);
>		ti1.setImage(image(display, SWT.COLOR_BLUE));
>		ti1.setHotImage(null);
>		
>		ToolBar toolbar2 = new ToolBar(folderTopRight, SWT.BORDER);
>		toolbar2.setVisible(false);
>		
>		Composite composite = new Composite(folder, SWT.NONE);
>		composite.setLayout(new FillLayout());
>		CTabItem tab = new CTabItem(folder, SWT.NONE);
>		tab.setText("some tab");
>		Label label = new Label(composite, SWT.NONE);
>		label.setText("some content");
>		tab.setControl(composite);
>
>		folderTopRight.pack();
>		
>		shell.open();
>
>		while (display.readAndDispatch());
>		
>		ToolItem ti2 = new ToolItem(toolbar2, SWT.PUSH);
>		ti2.setImage(image(display, SWT.COLOR_RED));
>		toolbar2.setVisible(true);
>		
>		// folderTopRight.pack(); // if this is commented out, the 2nd toolbar doesn't paint correctly
>		folderTopRight.layout();
>		
>		while (!shell.isDisposed()) {
>			if (!display.readAndDispatch())
>				display.sleep();
>		}
>		display.dispose();
>	}
>	
>	private static Image image(Display display, int shapeColor) {
>		Rectangle bounds = new Rectangle(0, 0, 16, 16);
>		Image image = new Image(display, bounds);
>		GC gc = new GC(image);
>		gc.setBackground(display.getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
>		gc.fillRectangle(bounds);
>		gc.setBackground(display.getSystemColor(shapeColor));
>		gc.fillOval(bounds.x, bounds.y, bounds.width, bounds.height);
>		gc.dispose();
>		return image;
>	}
>}

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Attachments on bug 531854: 272955 | 272956 | 274349 | 274350