mirror of git://gcc.gnu.org/git/gcc.git
112 lines
3.8 KiB
Java
112 lines
3.8 KiB
Java
/* GtkScrollPanePeer.java -- Implements ScrollPanePeer with GTK
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Copyright (C) 1998, 1999, 2005 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.java.awt.peer.gtk;
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import java.awt.Adjustable;
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import java.awt.Dimension;
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import java.awt.ScrollPane;
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import java.awt.peer.ScrollPanePeer;
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public class GtkScrollPanePeer extends GtkContainerPeer
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implements ScrollPanePeer
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{
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native void create (int width, int height);
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void create ()
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{
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create (awtComponent.getWidth (), awtComponent.getHeight ());
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}
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// native void gtkScrolledWindowSetScrollPosition(int x, int y);
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native void gtkScrolledWindowSetHScrollIncrement (int u);
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native void gtkScrolledWindowSetVScrollIncrement (int u);
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public GtkScrollPanePeer (ScrollPane sp)
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{
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super (sp);
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setPolicy (sp.getScrollbarDisplayPolicy ());
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}
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native void setPolicy (int policy);
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public void childResized (int width, int height)
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{
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int dim[] = new int[2];
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gtkWidgetGetDimensions (dim);
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// If the child is in this range, GTK adds both scrollbars, but
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// the AWT doesn't. So set the peer's scroll policy to
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// GTK_POLICY_NEVER.
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if ((width > dim[0] - getVScrollbarWidth () && width <= dim[0])
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&& (height > dim[1] - getHScrollbarHeight () && height <= dim[1]))
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setPolicy (ScrollPane.SCROLLBARS_NEVER);
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else
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setPolicy (((ScrollPane) awtComponent).getScrollbarDisplayPolicy ());
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}
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public native int getHScrollbarHeight();
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public native int getVScrollbarWidth();
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public native void setScrollPosition(int x, int y);
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public Dimension getPreferredSize ()
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{
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return awtComponent.getSize();
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}
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public void setUnitIncrement (Adjustable adj, int u)
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{
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if (adj.getOrientation()==Adjustable.HORIZONTAL)
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gtkScrolledWindowSetHScrollIncrement (u);
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else
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gtkScrolledWindowSetVScrollIncrement (u);
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}
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public void setValue (Adjustable adj, int v)
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{
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// System.out.println("SPP: setVal: "+adj+":"+v);
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// Point p=myScrollPane.getScrollPosition ();
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// if (adj.getOrientation()==Adjustable.HORIZONTAL)
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// gtkScrolledWindowSetScrollPosition (v,p.y);
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// else
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// gtkScrolledWindowSetScrollPosition (p.x,v);
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// adj.setValue(v);
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}
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}
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