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/*
* GtkScrollPanePeer.java -- Implements ScrollPanePeer with GTK
*
* Copyright (c) 1998 Free Software Foundation, Inc.
* Written by James E. Blair <corvus@gnu.org>
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as published
* by the Free Software Foundation, either version 2 of the License, or
* (at your option) any later verion.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; if not, write to the Free Software Foundation
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307 USA
*/
package gnu.java.awt.peer.gtk;
import java.awt.peer.*;
import java.awt.*;
public class GtkScrollPanePeer extends GtkContainerPeer
implements ScrollPanePeer
{
int policy;
int sbHeight, sbWidth;
ScrollPane myScrollPane;
native void gtkScrolledWindowNew(ComponentPeer parent,
int policy, int w, int h, int[] dims,
boolean visible);
native void gtkScrolledWindowSetScrollPosition(int x, int y);
native void gtkScrolledWindowSetHScrollIncrement (int u);
native void gtkScrolledWindowSetVScrollIncrement (int u);
native void gtkScrolledWindowSetSize(int w, int h);
public GtkScrollPanePeer(ScrollPane p, ComponentPeer parent)
{
super (p);
System.out.println("new scrollpanepeer");
myScrollPane=p;
policy=p.getScrollbarDisplayPolicy();
int mypolicy=1;
switch (policy)
{
case ScrollPane.SCROLLBARS_ALWAYS: mypolicy=1; break;
case ScrollPane.SCROLLBARS_AS_NEEDED: mypolicy=2; break;
case ScrollPane.SCROLLBARS_NEVER: mypolicy=3; break;
}
Point pnt=p.getLocation();
Dimension pdim=p.getSize();
System.out.println(":" + pdim.width + " " + pdim.height);
int dims[]=new int[2];
gtkScrolledWindowNew(parent,
mypolicy, pdim.width, pdim.height, dims,
p.isVisible ());
sbWidth=dims[0];
sbHeight=dims[1];
}
public void childResized (int w, int h)
{
System.out.println("SPP: child resized to: "+ w + " x " + h);
gtkScrolledWindowSetSize(w, h);
}
public int getHScrollbarHeight ()
{
return sbHeight;
}
public int getVScrollbarWidth ()
{
return sbWidth;
}
public void setScrollPosition (int x, int y)
{
gtkScrolledWindowSetScrollPosition(x, y);
}
public void setUnitIncrement (Adjustable adj, int u)
{
/* Er... What calls this? */
System.out.println("SPP: setUI: "+adj+":"+u);
if (adj.getOrientation()==Adjustable.HORIZONTAL)
gtkScrolledWindowSetHScrollIncrement (u);
else
gtkScrolledWindowSetVScrollIncrement (u);
}
public void setValue (Adjustable adj, int v)
{
System.out.println("SPP: setVal: "+adj+":"+v);
Point p=myScrollPane.getScrollPosition ();
if (adj.getOrientation()==Adjustable.HORIZONTAL)
gtkScrolledWindowSetScrollPosition (v,p.y);
else
gtkScrolledWindowSetScrollPosition (p.x,v);
adj.setValue(v);
}
}
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