Re: [platform-swt-dev] is it a bug of StyledText 3.0 ?

[yuanq <yuanq@xxxxxxxxxxxxxxxx>]

Dear Irvine :
    I tryed the way you told me, but it still not work. I'm really confused:)
    please, once more help me !
    my code is here:


import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

public class StyledTextTry {
    public static void main(String[] args) {
        Display display = new Display();
        Shell shell = new Shell(display);
        shell.setLayout(new GridLayout(1, true));
        StyledText st = new StyledText(shell, SWT.WRAP);
        st.setText("aaaaabbbbbcccccdddddeeeeeaaaaabbbbbcccccdddddeeeee");
        GridData gridData = new GridData();
        gridData.horizontalAlignment = GridData.FILL;
        gridData.horizontalSpan = 1;
        gridData.grabExcessHorizontalSpace = true;
        st.setLayoutData(gridData);

        StyledText st2 = new StyledText(shell, SWT.WRAP);
        st2.setText("aaaaabbbbbcccccdddddeeeeeaaaaabbbbbcccccdddddeeeee");
        gridData = new GridData();
        gridData.horizontalAlignment = GridData.FILL;
        gridData.horizontalSpan = 1;
        st.setLayoutData(gridData);

        shell.setSize(100, 200);
        shell.open();
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch())
                display.sleep();
        }
        display.dispose();
    }

}
 

the result is:

Veronika Irvine wrote:
> You need to add the line:
>
> gridData.grabExcessHorizontalSpace = true;
>
> This will enable wrapping. 
>
> The old StyledText.computeSize code was actually quite wrong because it 
> based the height it returned on its current width and not on the width 
> passed in as the wHint argument.  Therefore if you changed the width by 
> only a small amount, it seemed to give the right answer but if you changed 
> the width by a large amount, you got quite a wrong answer.
>
>
>
>
> "yuhf" <yuhf@xxxxxxxxxxxxxxxx> 
> Sent by: platform-swt-dev-admin@xxxxxxxxxxx
> 11/11/2004 03:14 AM
> Please respond to
> platform-swt-dev
>
>
> To
> <platform-swt-dev@xxxxxxxxxxx>
> cc
>
> Subject
> [platform-swt-dev] is it a bug of StyledText 3.0 ?
>
>
>
>
>
>
> Hi,
> My StyledText works perfictly in SWT2.0, but in SWT3.0, it is alway
> displayed in only one line,
> even if the content is multi-line, the hight of the control is always
> the same (12).
> I figer out that StyledText.computeSize() has been modified from 2.0 to
> 3.0. If only replace this function with old code, it's OK.
> I wonder it's a bug of SWT3.0.
> my code is here:
>
> Shell parent = getParent();
> shell = new Shell(parent, SWT.DIALOG_TRIM | SWT.RESIZE);
> shell.setLayout(new GridLayout(5, true));
>
> st = new StyledText(shell, SWT.WRAP);
> gridData = new GridData();
> gridData.horizontalAlignment = GridData.FILL;
> gridData.horizontalSpan = 4;
> st.setLayoutData(gridData);
> st.setText("aaaaabbbbbcccccdddddeeeeeaaaaabbbbbcccccdddddeeeee");
> shell.pack();
> shell.open();
> Display display = parent.getDisplay();
> while (!shell.isDisposed()) {
> if (!display.readAndDispatch())
> display.sleep();
> }
>
> thank you
>
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