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Home » Eclipse Projects » Standard Widget Toolkit (SWT) » Change TreeViewer column header height
Change TreeViewer column header height [message #663765] Wed, 06 April 2011 12:48 Go to next message
Oliver Pfau is currently offline Oliver PfauFriend
Messages: 28
Registered: July 2009
Junior Member
Hi,

I have a command which opens a FontDialog to choose the font of my TreeViewer. The TreeViewer cells expanding when a bigger font size is chosen. Unfortunately not the column headers. The size remains and the text is cut. There is a method Tree.getHeaderHeight() : int but no setter for this. Can I set the header column height?

Regards,
Oliver
Re: Change TreeViewer column header height [message #664110 is a reply to message #663765] Thu, 07 April 2011 13:56 Go to previous messageGo to next message
Lakshmi ShanmugamFriend
Messages: 275
Registered: July 2009
Location: India
Senior Member
Hi,

There is no setter method to set the height of the header. But, the header's height is computed based on the text/image set to it. So, when you change the font size of the table, the header's height also changes. It works on my Windows machine. On which platform are you seeing this?

I modified Snippet38 to try this out. Does it work for you?

public class Snippet38 {

public static void main (String [] args) {
final Display display = new Display ();
final Shell shell = new Shell (display);
shell.setLayout(new FillLayout());
final Table table = new Table (shell, SWT.H_SCROLL|SWT.MULTI | SWT.BORDER | SWT.FULL_SELECTION|SWT.CHECK);
table.setLinesVisible (true);
table.setHeaderVisible (true);
final String[] titles = {"titleioioio", "C", "!", "Description", "Resource", "In Folder", "Location"};
for (int i=0; i<titles.length; i++) {
TableColumn column = new TableColumn (table, SWT.NONE);
column.setText (titles [i]);
}
int count = 10;
for (int i=0; i<count; i++) {
TableItem item = new TableItem (table, SWT.NONE);
item.setText (0, "x");
item.setText (1, "y");
item.setText (2, "!");
item.setText (3, "this stuff behaves the way I expect");
item.setText (4, "almost everywhere");
item.setText (5, "some.folder");
item.setText (6, "line " + i + " in nowhere");
}
table.pack();
for (int i=0; i<titles.length; i++) {
table.getColumn (i).pack ();
}
Button button = new Button(shell, SWT.PUSH);
button.setText("change font");
button.addSelectionListener(new SelectionListener() {
public void widgetSelected(SelectionEvent e) {
FontDialog d = new FontDialog(shell);
FontData data = d.open();
table.setFont(new Font(display, data));
for (int i = 0; i < titles.length; i++) {
table.getColumn(i).pack();
}

}

public void widgetDefaultSelected(SelectionEvent e) {

}
});

shell.pack ();
shell.open ();
while (!shell.isDisposed ()) {
if (!display.readAndDispatch ()) display.sleep ();
}
display.dispose ();
}
}



Lakshmi P Shanmugam
Re: Change TreeViewer column header height [message #1792442 is a reply to message #664110] Wed, 18 July 2018 07:09 Go to previous messageGo to next message
an van is currently offline an vanFriend
Messages: 3
Registered: June 2018
Junior Member
It's not work on Mac os.
Re: Change TreeViewer column header height [message #1792446 is a reply to message #664110] Wed, 18 July 2018 07:12 Go to previous message
an van is currently offline an vanFriend
Messages: 3
Registered: June 2018
Junior Member
It's not work on Mac os.
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