Bug 81229 [Dialogs] wizard banner resizing causes jumpy dialog
Build: I20041214-2000 3.1 M4 test pass. The Export wizard selection page has a banner description at the top. For some wizards this description is two lines, and for others it is one line. This causes the entire dialog to resize every time you change the selection. The effect is that the item under the mouse after the click isn't the same as the item under the mouse before the click, since the entire list shifts up or down as the banner resizes. This doesn't happen on Windows.
bundles/org.eclipse.jface/src/org/eclipse/jface/dialogs/TitleAreaDialog.java
}
                
                normalMsgAreaBackground = messageLabel.getBackground();
                setMessageBackgrounds(true);
                messageImageLabel.setImage(errorMsgImage);
                setImageLabelVisible(true);
            }
        }
        layoutForNewMessage();
    }
    /**
     * Re-layout the labels for the new message.
     */
    private void layoutForNewMessage() {
        int verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
        int horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
        
        if (errorMessage == null && messageImage == null) {
            setImageLabelVisible(false);
            setLayoutsForNormalMessage(verticalSpacing, horizontalSpacing);
        } else {
            messageImageLabel.setVisible(true);
            bottomFillerLabel.setVisible(true);
            leftFillerLabel.setVisible(true);
            /**
             * Note that we do not use horizontalSpacing here as when the
             * background of the messages changes there will be gaps between the
             * icon label and the message that are the background color of the
             * shell. We add a leading space elsewhere to compendate for this.
             */